epan/dissectors/packet-dhcp.c

   1 /* packet-dhcp.c
   2  * Routines for DHCP/BOOTP packet disassembly
   3  *
   4  * Copyright 1998, Gilbert Ramirez <gram@alumni.rice.edu>
   5  * Copyright 2004, Thomas Anders <thomas.anders [AT] blue-cable.de>
   6  *
   7  * Added option field filters
   8  * Copyright 2011, Michael Mann
   9  *
  10  * Added option  77 : RFC 3004 - The User Class Option for DHCP
  11  * Added option 117 : RFC 2937 - The Name Service Search Option for DHCP
  12  * Added option 119 : RFC 3397 - Dynamic Host Configuration Protocol (DHCP) Domain Search Option
  13  *                    RFC 3396 - Encoding Long Options in the Dynamic Host Configuration Protocol (DHCPv4)
  14  * Improved opt 120 : Add support of RFC 3396 - Encoding Long Options in the Dynamic Host Configuration Protocol (DHCPv4)
  15  *                    Add support compression according to the encoding in Section 4.1.4 of RFC 1035 - DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION
  16  *
  17  *
  18  * Copyright 2012, Jerome LAFORGE <jerome.laforge [AT] gmail.com>
  19  *
  20  * The information used comes from:
  21  * RFC  951: Bootstrap Protocol
  22  * RFC 1035: Domain Names - Implementation And Specification
  23  * RFC 1497: BOOTP extensions
  24  * RFC 1542: Clarifications and Extensions for the Bootstrap Protocol
  25  * RFC 2131: Dynamic Host Configuration Protocol
  26  * RFC 2132: DHCP Options and BOOTP Vendor Extensions
  27  * RFC 2241: DHCP Options for Novell Directory Services
  28  * RFC 2242: NetWare/IP Domain Name and Information
  29  * RFC 2489: Procedure for Defining New DHCP Options
  30  * RFC 2610: DHCP Options for Service Location Protocol
  31  * RFC 2685: Virtual Private Networks Identifier
  32  * RFC 2937: The Name Service Search Option for DHCP
  33  * RFC 3004: The User Class Option for DHCP
  34  * RFC 3046: DHCP Relay Agent Information Option
  35  * RFC 3118: Authentication for DHCP Messages
  36  * RFC 3203: DHCP reconfigure extension
  37  * RFC 3315: Dynamic Host Configuration Protocol for IPv6 (DHCPv6)
  38  * RFC 3396: Encoding Long Options in the Dynamic Host Configuration Protocol (DHCPv4)
  39  * RFC 3397: Dynamic Host Configuration Protocol (DHCP) Domain Search Option
  40  * RFC 3495: DHCP Option (122) for CableLabs Client Configuration
  41  * RFC 3594: PacketCable Security Ticket Control Sub-Option (122.9)
  42  * RFC 3442: Classless Static Route Option for DHCP version 4
  43  * RFC 3825: Dynamic Host Configuration Protocol Option for Coordinate-based Location Configuration Information
  44  * RFC 3925: Vendor-Identifying Vendor Options for Dynamic Host Configuration Protocol version 4 (DHCPv4)
  45  * RFC 3942: Reclassifying DHCPv4 Options
  46  * RFC 4174: The IPv4 Dynamic Host Configuration Protocol (DHCP) Option for the Internet Storage Name Service
  47  * RFC 4243: Vendor-Specific Information Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent Option
  48  * RFC 4361: Node-specific Client Identifiers for Dynamic Host Configuration Protocol Version Four (DHCPv4)
  49  * RFC 4388: Dynamic Host Configuration Protocol (DHCP) Leasequery
  50  * RFC 4578: Dynamic Host Configuration Protocol (DHCP) Options for PXE
  51  * RFC 4776: Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Option for Civic Addresses Configuration Information
  52  * RFC 5192: DHCP Options for Protocol for Carrying Authentication for Network Access (PANA) Authentication Agent
  53  * RFC 5223: Discovering Location-to-Service Translation (LoST) Servers Using the Dynamic Host Configuration Protocol (DHCP)
  54  * RFC 5417: CAPWAP Access Controller DHCP Option
  55  * RFC 5969: IPv6 Rapid Deployment on IPv4 Infrastructures (6rd)
  56  * RFC 6225: Dynamic Host Configuration Protocol Options for Coordinate-Based Location Configuration Information
  57  * RFC 6607: Virtual Subnet Selection Options for DHCPv4 and DHCPv6
  58  * RFC 6704: Forcerenew Nonce Authentication
  59  * RFC 6731: Improved Recursive DNS Server Selection for Multi-Interfaced Nodes
  60  * RFC 6926: DHCPv4 Bulk Leasequery
  61  * RFC 7291: DHCP Options for the Port Control Protocol (PCP)
  62  * RFC 7618: Dynamic Allocation of Shared IPv4 Addresses
  63  * RFC 7710: Captive-Portal Identification Using DHCP or Router Advertisements (RAs)
  64  * RFC 7724: Active DHCPv4 Lease Query
  65  * RFC 7839: Access-Network-Identifier Option in DHCP
  66  * RFC 8357: Generalized UDP Source Port for DHCP Relay
  67  * RFC 8910: Captive-Portal Identification in DHCP and Router Advertisements (RAs)
  68  * RFC 8925: IPv6-Only Preferred Option for DHCPv4
  69  * RFC 8973: DDoS Open Threat Signaling (DOTS) Agent Discovery
  70  * draft-ietf-dhc-fqdn-option-07.txt
  71  * TFTP Server Address Option for DHCPv4 [draft-raj-dhc-tftp-addr-option-06.txt: https://tools.ietf.org/html/draft-raj-dhc-tftp-addr-option-06]
  72  * BOOTP and DHCP Parameters
  73  *     https://www.iana.org/assignments/bootp-dhcp-parameters
  74  * DOCSIS(TM) 2.0 Radio Frequency Interface Specification
  75  *     https://specification-search.cablelabs.com/radio-frequency-interface-specification-2
  76  * DOCSIS(TM) 3.0 MAC and Upper Layer Protocols Interface Specification
  77  *     https://specification-search.cablelabs.com/CM-SP-MULPIv3.0
  78  * PacketCable(TM) 1.0 MTA Device Provisioning Specification
  79  *     https://specification-search.cablelabs.com/packetcable-mta-device-provisioning-specification
  80  * PacketCable(TM) 1.5 MTA Device Provisioning Specification
  81  *     https://specification-search.cablelabs.com/packetcable-1-5-mta-device-provisioning-specification
  82  * PacketCable(TM) 2.0 E-UE Device Provisioning Data Model Specification
  83  *     https://specification-search.cablelabs.com/e-ue-provisioning-data-model-specification
  84  * Business Services over DOCSIS(R) Layer 2 Virtual Private Networks
  85  *     https://specification-search.cablelabs.com/business-services-over-docsis-layer-2-virtual-private-networks
  86  * CableHome(TM) 1.1 Specification
  87  *     https://web.archive.org/web/20060628173459/http://www.cablelabs.com/projects/cablehome/downloads/specs/CH-SP-CH1.1-I11-060407.pdf
  88  * Broadband Forum TR-111
  89  *     https://web.archive.org/web/20150307135117/http://www.broadband-forum.org/technical/download/TR-111.pdf
  90  * Boot Server Discovery Protocol (BSDP)
  91  *     https://opensource.apple.com/source/bootp/bootp-198.1/Documentation/BSDP.doc
  92  * [MS-DHCPE] DHCPv4 Option Code 77 (0x4D) - User Class Option
  93  *     https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-dhcpe/fe8a2dd4-1e8c-4546-bacd-4ae10de02058
  94  *
  95  *  * Copyright 2023, Colin McInnes <colin.mcinnes [AT] vecima.com>
  96  * Added additional CableLabs Vendor Class IDs (Option 60) to CableLabs heuristic from:
  97  * Remote PHY Specification
  98  *     https://www.cablelabs.com/specifications/CM-SP-R-PHY
  99  * Flexible MAC Architecture System Specification
 100  *     https://www.cablelabs.com/specifications/CM-SP-FMA-SYS
 101  * Data-Over-Cable Service Interface Specifications, eDOCSIS Specification
 102  *     https://www.cablelabs.com/specifications/CM-SP-eDOCSIS
 103  * Data-Over-Cable Service Interface Specifications, IPv4 and IPv6 eRouter Specification
 104  *     https://www.cablelabs.com/specifications/CM-SP-eRouter
 105  * OpenCable Tuning Resolver Interface Specification
 106  *     https://www.cablelabs.com/specifications/OC-SP-TRIF
 107  * DPoE Demarcation Device Specification
 108  *     https://www.cablelabs.com/specifications/DPoE-SP-DEMARCv1.0
 109  *
 110  * Wireshark - Network traffic analyzer
 111  * By Gerald Combs <gerald@wireshark.org>
 112  * Copyright 1998 Gerald Combs
 113  *
 114  * SPDX-License-Identifier: GPL-2.0-or-later
 115  */
 116
 117 /*
 118  * Some of the development of the DHCP/BOOTP protocol decoder was sponsored by
 119  * Cable Television Laboratories, Inc. ("CableLabs") based upon proprietary
 120  * CableLabs' specifications. Your license and use of this protocol decoder
 121  * does not mean that you are licensed to use the CableLabs'
 122  * specifications.  If you have questions about this protocol, contact
 123  * jf.mule [AT] cablelabs.com or c.stuart [AT] cablelabs.com for additional
 124  * information.
 125  */
 126
 127
 128 #include "config.h"
 129
 130 #include <stdio.h>              /* for sscanf() */
 131
 132 #include <epan/packet.h>
 133 #include "packet-arp.h"
 134 #include "packet-dns.h"                         /* for get_dns_name() */
 135 #include <epan/addr_resolv.h>
 136 #include <epan/prefs.h>
 137 #include <epan/tap.h>
 138 #include <epan/stat_tap_ui.h>
 139 #include <epan/arptypes.h>
 140 #include <epan/expert.h>
 141 #include <epan/uat.h>
 142 #include <epan/sminmpec.h>
 143 #include <epan/tfs.h>
 144 #include <wsutil/str_util.h>
 145 #include <wsutil/strtoi.h>
 146 #include <wsutil/array.h>
 147
 148 void proto_register_dhcp(void);
 149 void proto_reg_handoff_dhcp(void);
 150
 151 static int dhcp_bootp_tap;
 152 static int proto_dhcp;
 153 static int hf_dhcp_type;
 154 static int hf_dhcp_hw_type;
 155 static int hf_dhcp_hw_len;
 156 static int hf_dhcp_hops;
 157 static int hf_dhcp_id;
 158 static int hf_dhcp_secs;
 159 static int hf_dhcp_flags;
 160 static int hf_dhcp_flags_broadcast;
 161 static int hf_dhcp_flags_reserved;
 162 static int hf_dhcp_ip_client;
 163 static int hf_dhcp_ip_your;
 164 static int hf_dhcp_ip_server;
 165 static int hf_dhcp_ip_relay;
 166 static int hf_dhcp_hw_addr;
 167 static int hf_dhcp_hw_addr_padding;
 168 static int hf_dhcp_hw_ether_addr;
 169 static int hf_dhcp_server;
 170 static int hf_dhcp_file;
 171 static int hf_dhcp_cookie;
 172 static int hf_dhcp_vendor_specific_options;
 173 static int hf_dhcp_bootp;
 174 static int hf_dhcp_fqdn_flags;
 175 static int hf_dhcp_fqdn_s;
 176 static int hf_dhcp_fqdn_o;
 177 static int hf_dhcp_fqdn_e;
 178 static int hf_dhcp_fqdn_n;
 179 static int hf_dhcp_fqdn_mbz;
 180 static int hf_dhcp_fqdn_rcode1;
 181 static int hf_dhcp_fqdn_rcode2;
 182 static int hf_dhcp_fqdn_name;
 183 static int hf_dhcp_fqdn_asciiname;
 184 static int hf_dhcp_pkt_mta_cap_len;
 185 static int hf_dhcp_pkt_mta_cap_type;
 186 static int hf_dhcp_docsis_cm_cap_type;
 187 static int hf_dhcp_docsis_cm_cap_len;
 188 static int hf_dhcp_client_identifier_uuid;
 189 static int hf_dhcp_client_id_iaid;
 190 static int hf_dhcp_client_id_duid_type;
 191 static int hf_dhcp_client_hardware_address;
 192 static int hf_dhcp_client_identifier_duid_llt_hw_type;
 193 static int hf_dhcp_client_identifier_duid_ll_hw_type;
 194 static int hf_dhcp_client_identifier_time;
 195 static int hf_dhcp_client_identifier_link_layer_address;
 196 static int hf_dhcp_client_identifier_link_layer_address_ether;
 197 static int hf_dhcp_client_identifier_enterprise_num;
 198 static int hf_dhcp_client_identifier;
 199 static int hf_dhcp_client_identifier_type;
 200 static int hf_dhcp_client_identifier_undef;
 201 static int hf_dhcp_option_type;
 202 static int hf_dhcp_option_length;
 203 static int hf_dhcp_option_value;
 204 static int hf_dhcp_option_value_8;
 205 static int hf_dhcp_option_value_16;
 206 static int hf_dhcp_option_value_u32;
 207 static int hf_dhcp_option_value_s_secs;
 208 static int hf_dhcp_option_value_u_secs;
 209 static int hf_dhcp_option_value_stringz;
 210 static int hf_dhcp_option_value_ip_address;
 211 static int hf_dhcp_option_value_boolean;
 212 static int hf_dhcp_option_rfc_3396_detected;
 213 static int hf_dhcp_suboption_length;
 214
 215 static int hf_dhcp_option_padding;                                      /* 0 */
 216 static int hf_dhcp_option_subnet_mask;                          /* 1 */
 217 static int hf_dhcp_option_time_offset;                          /* 2 */
 218 static int hf_dhcp_option_router;                                       /* 3 */
 219 static int hf_dhcp_option_time_server;                          /* 4 */
 220 static int hf_dhcp_option_name_server;                          /* 5 */
 221 static int hf_dhcp_option_domain_name_server;                   /* 6 */
 222 static int hf_dhcp_option_log_server;                           /* 7 */
 223 static int hf_dhcp_option_quotes_server;                                /* 8 */
 224 static int hf_dhcp_option_lpr_server;                           /* 9 */
 225 static int hf_dhcp_option_impress_server;                               /* 10 */
 226 static int hf_dhcp_option_resource_location_server;             /* 11 */
 227 static int hf_dhcp_option_hostname;                             /* 12 */
 228 static int hf_dhcp_option_boot_file_size;                               /* 13 */
 229 static int hf_dhcp_option_merit_dump_file;                              /* 14 */
 230 static int hf_dhcp_option_domain_name;                          /* 15 */
 231 static int hf_dhcp_option_swap_server;                          /* 16 */
 232 static int hf_dhcp_option_root_path;                            /* 17 */
 233 static int hf_dhcp_option_extension_path;                               /* 18 */
 234 static int hf_dhcp_option_ip_forwarding;                                /* 19 */
 235 static int hf_dhcp_option_non_local_source_routing;             /* 20 */
 236 static int hf_dhcp_option_policy_filter_ip;                     /* 21 - IP address */
 237 static int hf_dhcp_option_policy_filter_subnet_mask;            /* 21 - Subnet mask */
 238 static int hf_dhcp_option_max_datagram_reassembly_size;         /* 22 */
 239 static int hf_dhcp_option_default_ip_ttl;                               /* 23 */
 240 static int hf_dhcp_option_path_mtu_aging_timeout;                       /* 24 */
 241 static int hf_dhcp_option_path_mtu_plateau_table_item;          /* 25 */
 242 static int hf_dhcp_option_interface_mtu;                                /* 26 */
 243 static int hf_dhcp_option_all_subnets_are_local;                        /* 27 */
 244 static int hf_dhcp_option_broadcast_address;                    /* 28 */
 245 static int hf_dhcp_option_perform_mask_discovery;                       /* 29 */
 246 static int hf_dhcp_option_mask_supplier;                                /* 30 */
 247 static int hf_dhcp_option_perform_router_discover;                      /* 31 */
 248 static int hf_dhcp_option_router_solicitation_address;          /* 32 */
 249 static int hf_dhcp_option_static_route_ip;                              /* 33 - Destination IP */
 250 static int hf_dhcp_option_static_route_router;                  /* 33 - Router */
 251 static int hf_dhcp_option_trailer_encapsulation;                        /* 34 */
 252 static int hf_dhcp_option_arp_cache_timeout;                    /* 35 */
 253 static int hf_dhcp_option_ethernet_encapsulation;                       /* 36 */
 254 static int hf_dhcp_option_tcp_default_ttl;                              /* 37 */
 255 static int hf_dhcp_option_tcp_keepalive_interval;                       /* 38 */
 256 static int hf_dhcp_option_tcp_keepalive_garbage;                        /* 39 */
 257 static int hf_dhcp_option_nis_domain;                           /* 40 */
 258 static int hf_dhcp_option_nis_server;                           /* 41 */
 259 static int hf_dhcp_option_ntp_server;                           /* 42 */
 260
 261 static int hf_dhcp_option43_suboption;                                  /* 43 unknown vendor suboption */
 262 static int hf_dhcp_option43_value;                                      /* 43 suboption value */
 263 static int hf_dhcp_option43_value_8;                            /* 43 suboption value */
 264 static int hf_dhcp_option43_value_32;                           /* 43 suboption value */
 265 static int hf_dhcp_option43_value_stringz;                              /* 43 suboption value */
 266 static int hf_dhcp_option43_value_ip_address;                   /* 43 suboption value */
 267
 268 static int hf_dhcp_option43_pxeclient_suboption;                        /* 43 suboption */
 269 static int hf_dhcp_option43_pxeclient_padding;                  /* 43:0 PXE  */
 270 static int hf_dhcp_option43_pxeclient_mtftp_ip;                 /* 43:1 PXE  */
 271 static int hf_dhcp_option43_pxeclient_mtftp_client_port;                /* 43:2 PXE  */
 272 static int hf_dhcp_option43_pxeclient_mtftp_server_port;                /* 43:3 PXE  */
 273 static int hf_dhcp_option43_pxeclient_mtftp_timeout;            /* 43:4 PXE  */
 274 static int hf_dhcp_option43_pxeclient_mtftp_delay;                      /* 43:5 PXE  */
 275 static int hf_dhcp_option43_pxeclient_discovery_control;                /* 43:6 PXE  */
 276 static int hf_dhcp_option43_pxeclient_discovery_control_bc;     /* 43:6 PXE  */
 277 static int hf_dhcp_option43_pxeclient_discovery_control_mc;     /* 43:6 PXE  */
 278 static int hf_dhcp_option43_pxeclient_discovery_control_serverlist;     /* 43:6 PXE  */
 279 static int hf_dhcp_option43_pxeclient_discovery_control_bstrap; /* 43:6 PXE  */
 280 static int hf_dhcp_option43_pxeclient_multicast_address;                /* 43:7 PXE  */
 281 static int hf_dhcp_option43_pxeclient_boot_servers;             /* 43:8 PXE  */
 282 static int hf_dhcp_option43_pxeclient_boot_server_type;         /* 43:8 PXE  */
 283 static int hf_dhcp_option43_pxeclient_boot_server_count;                /* 43:8 PXE  */
 284 static int hf_dhcp_option43_pxeclient_boot_server_ip;           /* 43:8 PXE  */
 285 static int hf_dhcp_option43_pxeclient_boot_menu;                        /* 43:9 PXE  */
 286 static int hf_dhcp_option43_pxeclient_boot_menu_type;           /* 43:9 PXE  */
 287 static int hf_dhcp_option43_pxeclient_boot_menu_length;         /* 43:9 PXE  */
 288 static int hf_dhcp_option43_pxeclient_boot_menu_desc;           /* 43:9 PXE  */
 289 static int hf_dhcp_option43_pxeclient_menu_prompt;                      /* 43:10 PXE  */
 290 static int hf_dhcp_option43_pxeclient_menu_prompt_timeout;              /* 43:10 PXE  */
 291 static int hf_dhcp_option43_pxeclient_menu_prompt_prompt;               /* 43:10 PXE  */
 292 static int hf_dhcp_option43_pxeclient_multicast_address_alloc;  /* 43:11 PXE  */
 293 static int hf_dhcp_option43_pxeclient_credential_types;         /* 43:12 PXE  */
 294 static int hf_dhcp_option43_pxeclient_boot_item;                        /* 43:71 PXE  */
 295 static int hf_dhcp_option43_pxeclient_boot_item_type;           /* 43:71 PXE  */
 296 static int hf_dhcp_option43_pxeclient_boot_item_layer;          /* 43:71 PXE  */
 297 static int hf_dhcp_option43_pxeclient_lcm_server;                       /* 43:179 PXE  */
 298 static int hf_dhcp_option43_pxeclient_lcm_domain;                       /* 43:180 PXE  */
 299 static int hf_dhcp_option43_pxeclient_lcm_nic_option;           /* 43:181 PXE  */
 300 static int hf_dhcp_option43_pxeclient_lcm_workgroup;            /* 43:190 PXE  */
 301 static int hf_dhcp_option43_pxeclient_discovery;                        /* 43:191 PXE  */
 302 static int hf_dhcp_option43_pxeclient_configured;                       /* 43:192 PXE  */
 303 static int hf_dhcp_option43_pxeclient_lcm_version;                      /* 43:193 PXE  */
 304 static int hf_dhcp_option43_pxeclient_lcm_serial;                       /* 43:194 PXE  */
 305 static int hf_dhcp_option43_pxeclient_end;                              /* 43:255 PXE */
 306
 307 static int hf_dhcp_option43_cl_suboption;                               /* 43 suboption */
 308 static int hf_dhcp_option43_cl_padding;                         /* 43:0 CL  */
 309 static int hf_dhcp_option43_cl_suboption_request_list;          /* 43:1 CL  */
 310 static int hf_dhcp_option43_cl_device_type;                     /* 43:2 CL  */
 311 static int hf_dhcp_option43_cl_esafe_type;                              /* 43:3 CL  */
 312 static int hf_dhcp_option43_cl_serial_number;                   /* 43:4 CL  */
 313 static int hf_dhcp_option43_cl_hardware_version;                        /* 43:5 CL  */
 314 static int hf_dhcp_option43_cl_software_version;                        /* 43:6 CL  */
 315 static int hf_dhcp_option43_cl_boot_rom_version;                        /* 43:7 CL  */
 316 static int hf_dhcp_option43_cl_oui_bytes;                               /* 43:8 CL  */
 317 static int hf_dhcp_option43_cl_oui_string;                              /* 43:8 CL  */
 318 static int hf_dhcp_option43_cl_model_number;                    /* 43:9 CL  */
 319 static int hf_dhcp_option43_cl_vendor_name10;                   /* 43:10 CL  */
 320 static int hf_dhcp_option43_cl_address_realm;                   /* 43:11 CL  */
 321 static int hf_dhcp_option43_cl_cm_ps_system_desc;                       /* 43:12 CL  */
 322 static int hf_dhcp_option43_cl_cm_ps_firmware_revision;         /* 43:13 CL  */
 323 static int hf_dhcp_option43_cl_firewall_policy_file_version;    /* 43:14 CL  */
 324 static int hf_dhcp_option43_cl_esafe_config_file_devices;               /* 43:15 CL  */
 325 static int hf_dhcp_option43_cl_video_security_tape;             /* 43:18 CL  */
 326 static int hf_dhcp_option43_cl_mta_mac_address;                 /* 43:31 CL  */
 327 static int hf_dhcp_option43_cl_correlation_ID;                  /* 43:32 CL  */
 328 static int hf_dhcp_option43_cl_vendor_name51;                   /* 43:51 CL  */
 329 static int hf_dhcp_option43_cl_cablecard_capability;            /* 43:52 CL  */
 330 static int hf_dhcp_option43_cl_device_id_ca;                    /* 43:53 CL  */
 331 static int hf_dhcp_option43_cl_device_id_x509;                  /* 43:54 CL  */
 332 static int hf_dhcp_option43_cl_end;                             /* 43:255 CL */
 333
 334 static int hf_dhcp_option43_aerohive_suboption;                 /* 43 suboption */
 335 static int hf_dhcp_option43_aerohive_unknown;                   /* 43:X AEROHIVE */
 336 static int hf_dhcp_option43_aerohive_xiqhostname;                       /* 43:225 AEROHIVE */
 337 static int hf_dhcp_option43_aerohive_xiqipaddress;                      /* 43:226 AEROHIVE */
 338
 339 static int hf_dhcp_option43_bsdp_suboption;                     /* 43 suboption */
 340 static int hf_dhcp_option43_bsdp_message_type;                  /* 43:1 BSDP  */
 341 static int hf_dhcp_option43_bsdp_version;                               /* 43:2 BSDP  */
 342 static int hf_dhcp_option43_bsdp_server_identifier;             /* 43:3 BSDP  */
 343 static int hf_dhcp_option43_bsdp_server_priority;                       /* 43:4 BSDP  */
 344 static int hf_dhcp_option43_bsdp_reply_port;                    /* 43:5 BSDP  */
 345 static int hf_dhcp_option43_bsdp_boot_image_list_path;          /* 43:6 BSDP  */
 346 static int hf_dhcp_option43_bsdp_default_boot_image_id;         /* 43:7 BSDP  */
 347 static int hf_dhcp_option43_bsdp_selected_boot_image_id;                /* 43:8 BSDP  */
 348 static int hf_dhcp_option43_bsdp_boot_image_list;                       /* 43:9 BSDP  */
 349 static int hf_dhcp_option43_bsdp_netboot_firmware;                      /* 43:10 BSDP  */
 350 static int hf_dhcp_option43_bsdp_attributes_filter_list;                /* 43:11 BSDP  */
 351 static int hf_dhcp_option43_bsdp_message_size;                  /* 43:12 BSDP  */
 352 static int hf_dhcp_option43_bsdp_boot_image_index;                      /* 43 BSDP  */
 353 static int hf_dhcp_option43_bsdp_boot_image_attribute;          /* 43 BSDP  */
 354 static int hf_dhcp_option43_bsdp_boot_image_attribute_install;  /* 43 BSDP  */
 355 static int hf_dhcp_option43_bsdp_boot_image_attribute_kind;     /* 43 BSDP  */
 356 static int hf_dhcp_option43_bsdp_boot_image_attribute_reserved; /* 43 BSDP  */
 357 static int hf_dhcp_option43_bsdp_image_desc;                    /* 43 BSDP  */
 358 static int hf_dhcp_option43_bsdp_boot_image_name;                       /* 43 BSDP  */
 359 static int hf_dhcp_option43_bsdp_boot_image_name_len;           /* 43 BSDP  */
 360
 361 static int hf_dhcp_option43_cisco_suboption;                    /* 43 Cisco */
 362 static int hf_dhcp_option43_cisco_unknown;                              /* 43 Cisco */
 363 static int hf_dhcp_option43_cisco_unknown1;                     /* 43:1 Cisco */
 364 static int hf_dhcp_option43_cisco_unknown2;                     /* 43:2 Cisco */
 365 static int hf_dhcp_option43_cisco_unknown3;                     /* 43:3 Cisco */
 366 static int hf_dhcp_option43_cisco_nodeid;                               /* 43:4 Cisco */
 367 static int hf_dhcp_option43_cisco_unknown5;                     /* 43:5 Cisco */
 368 static int hf_dhcp_option43_cisco_unknown6;                     /* 43:6 Cisco */
 369 static int hf_dhcp_option43_cisco_model;                                /* 43:7 Cisco */
 370 static int hf_dhcp_option43_cisco_apicuuid;                     /* 43:8 Cisco */
 371 static int hf_dhcp_option43_cisco_fabricname;                   /* 43:9 Cisco */
 372 static int hf_dhcp_option43_cisco_unknown10;                    /* 43:10 Cisco */
 373 static int hf_dhcp_option43_cisco_serialno;                     /* 43:11 Cisco */
 374 static int hf_dhcp_option43_cisco_clientint;                    /* 43:12 Cisco */
 375
 376 static int hf_dhcp_option43_alcatel_suboption;                  /* 43 suboption */
 377 static int hf_dhcp_option43_alcatel_padding;                    /* 43:0 Alcatel  */
 378 static int hf_dhcp_option43_alcatel_vlan_id;                    /* 43:58 Alcatel  */
 379 static int hf_dhcp_option43_alcatel_tftp1;                              /* 43:64 Alcatel  */
 380 static int hf_dhcp_option43_alcatel_tftp2;                              /* 43:65 Alcatel  */
 381 static int hf_dhcp_option43_alcatel_app_type;                   /* 43:66 Alcatel  */
 382 static int hf_dhcp_option43_alcatel_sip_url;                    /* 43:67 Alcatel  */
 383 static int hf_dhcp_option43_alcatel_end;                                /* 43:255 Alcatel */
 384
 385 static int hf_dhcp_option43_arubaap_controllerip;                       /* 43: ArubaAP*/
 386 static int hf_dhcp_option43_arubaiap;                           /* 43: ArubaIAP*/
 387 static int hf_dhcp_option43_arubaiap_nameorg;                   /* 43: ArubaIAP: Name Organisation*/
 388 static int hf_dhcp_option43_arubaiap_ampip;                     /* 43: ArubaIAP: AMP IP Address*/
 389 static int hf_dhcp_option43_arubaiap_password;                  /* 43 :ArubaIAP: Password*/
 390
 391 static int hf_dhcp_option_netbios_over_tcpip_name_server;               /* 44 */
 392 static int hf_dhcp_option_netbios_over_tcpip_dd_name_server;    /* 45 */
 393 static int hf_dhcp_option_netbios_over_tcpip_node_type;         /* 46 */
 394 static int hf_dhcp_option_netbios_over_tcpip_scope;             /* 47 */
 395 static int hf_dhcp_option_xwindows_system_font_server;          /* 48 */
 396 static int hf_dhcp_option_xwindows_system_display_manager;              /* 49 */
 397 static int hf_dhcp_option_requested_ip_address;                 /* 50 */
 398 static int hf_dhcp_option_ip_address_lease_time;                        /* 51 */
 399 static int hf_dhcp_option_option_overload;                              /* 52 */
 400 static int hf_dhcp_option_dhcp;                                 /* 53 */
 401 static int hf_dhcp_option_dhcp_server_id;                               /* 54 */
 402 static int hf_dhcp_option_parameter_request_list_item;          /* 55 */
 403 static int hf_dhcp_option_message;                                      /* 56 */
 404 static int hf_dhcp_option_dhcp_max_message_size;                        /* 57 */
 405 static int hf_dhcp_option_renewal_time_value;                   /* 58 */
 406 static int hf_dhcp_option_rebinding_time_value;                 /* 59 */
 407 static int hf_dhcp_option_vendor_class_id;                              /* 60 */
 408 static int hf_dhcp_option_vendor_class_data;                    /* 60 */
 409
 410 static int hf_dhcp_option_novell_netware_ip_domain;             /* 62 */
 411
 412 static int hf_dhcp_option63_suboption;                          /* 63 suboption */
 413 static int hf_dhcp_option63_value;                                      /* 63 suboption value */
 414 static int hf_dhcp_option63_value_8;                            /* 63 suboption value */
 415 static int hf_dhcp_option63_value_ip_address;                   /* 63 suboption value */
 416 static int hf_dhcp_option63_value_boolean;                              /* 63 suboption value */
 417 static int hf_dhcp_option63_broadcast;                          /* 63:5 */
 418 static int hf_dhcp_option63_preferred_dss_server;                       /* 63:6 */
 419 static int hf_dhcp_option63_nearest_nwip_server;                        /* 63:7 */
 420 static int hf_dhcp_option63_autoretries;                                /* 63:8 */
 421 static int hf_dhcp_option63_autoretry_delay;                    /* 63:9 */
 422 static int hf_dhcp_option63_support_netware_v1_1;                       /* 63:10 */
 423 static int hf_dhcp_option63_primary_dss;                                /* 63:11 */
 424
 425 static int hf_dhcp_option_nis_plus_domain;                              /* 64 */
 426 static int hf_dhcp_option_nis_plus_server;                              /* 65 */
 427 static int hf_dhcp_option_tftp_server_name;                     /* 66 */
 428 static int hf_dhcp_option_bootfile_name;                                /* 67 */
 429 static int hf_dhcp_option_mobile_ip_home_agent;                 /* 68 */
 430 static int hf_dhcp_option_smtp_server;                          /* 69 */
 431 static int hf_dhcp_option_pop3_server;                          /* 70 */
 432 static int hf_dhcp_option_nntp_server;                          /* 71 */
 433 static int hf_dhcp_option_default_www_server;                   /* 72 */
 434 static int hf_dhcp_option_default_finger_server;                        /* 73 */
 435 static int hf_dhcp_option_default_irc_server;                   /* 74 */
 436 static int hf_dhcp_option_streettalk_server;                    /* 75 */
 437 static int hf_dhcp_option_streettalk_da_server;                 /* 76 */
 438 static int hf_dhcp_option77_user_class;                         /* 77 User Class instance */
 439 static int hf_dhcp_option77_user_class_length;                  /* 77 length of User Class instance */
 440 static int hf_dhcp_option77_user_class_data;                    /* 77 data of User Class instance */
 441 static int hf_dhcp_option77_user_class_text;                    /* 77 User class text */
 442 static int hf_dhcp_option77_user_class_binary_data_length;      /* 77, Microsoft */
 443 static int hf_dhcp_option77_user_class_binary_data;             /* 77, Microsoft */
 444 static int hf_dhcp_option77_user_class_padding;                 /* 77, Microsoft */
 445 static int hf_dhcp_option77_user_class_name_length;             /* 77, Microsoft */
 446 static int hf_dhcp_option77_user_class_name;                            /* 77, Microsoft */
 447 static int hf_dhcp_option77_user_class_description_length;      /* 77, Microsoft */
 448 static int hf_dhcp_option77_user_class_description;             /* 77, Microsoft */
 449 static int hf_dhcp_option_slp_directory_agent_value;            /* 78 */
 450 static int hf_dhcp_option_slp_directory_agent_slpda_address;    /* 78 */
 451 static int hf_dhcp_option_slp_service_scope_value;                      /* 79 */
 452 static int hf_dhcp_option_slp_service_scope_string;             /* 79 */
 453
 454 static int hf_dhcp_option82_suboption;                          /* 82 suboption */
 455 static int hf_dhcp_option82_value;                                      /* 82 suboption value */
 456 static int hf_dhcp_option82_value_8;                            /* 82 suboption value */
 457 static int hf_dhcp_option82_value_16;                           /* 82 suboption value */
 458 static int hf_dhcp_option82_value_32;                           /* 82 suboption value */
 459 static int hf_dhcp_option82_value_ip_address;                   /* 82 suboption value */
 460 static int hf_dhcp_option82_value_stringz;                              /* 82 suboption value */
 461 static int hf_dhcp_option82_padding;                            /* 82:0 */
 462 static int hf_dhcp_option82_agent_circuit_id;                   /* 82:1 */
 463 static int hf_dhcp_option82_agent_remote_id;                    /* 82:2 */
 464 static int hf_dhcp_option82_reserved;                           /* 82:3 */
 465 static int hf_dhcp_option82_docsis_device_class;                        /* 82:4 */
 466 static int hf_dhcp_option82_link_selection;                     /* 82:5 */
 467 static int hf_dhcp_option82_subscriber_id;                              /* 82:6 */
 468 static int hf_dhcp_option82_radius_attributes;                  /* 82:7 */
 469 static int hf_dhcp_option82_authentication;                     /* 82:8 */
 470 static int hf_dhcp_option82_vi;                                 /* 82:9 */
 471                                                                         /* 82:9 suboptions */
 472 static int hf_dhcp_option82_vi_enterprise;
 473 static int hf_dhcp_option82_vi_data_length;
 474 static int hf_dhcp_option82_vi_cl_option;
 475 static int hf_dhcp_option82_vi_cl_option_length;
 476 static int hf_dhcp_option82_vi_cl_tag;
 477 static int hf_dhcp_option82_vi_cl_tag_length;
 478 static int hf_dhcp_option82_vi_cl_docsis_version;                       /* 82:9:4491:1 */
 479 static int hf_dhcp_option82_vi_cl_dpoe_system_version;          /* 82:9:4491:2 */
 480 static int hf_dhcp_option82_vi_cl_dpoe_system_pbb_service;              /* 82:9:4491:4 */
 481 static int hf_dhcp_option82_vi_cl_service_class_name;           /* 82:9:4491:5 */
 482 static int hf_dhcp_option82_vi_cl_mso_defined_text;             /* 82:9:4491:6 */
 483 static int hf_dhcp_option82_vi_cl_secure_file_transfer_uri;     /* 82:9:4491:7 */
 484                                                                         /* 82:9 suboptions end */
 485 static int hf_dhcp_option82_flags;                                      /* 82:10 */
 486 static int hf_dhcp_option82_server_id_override;                 /* 82:11 */
 487 static int hf_dhcp_option82_relay_agent_id;                     /* 82:12 */
 488 static int hf_dhcp_option82_option_ani_att;                     /* 82:13 */
 489 static int hf_dhcp_option82_option_ani_att_res;
 490 static int hf_dhcp_option82_option_ani_att_att;
 491 static int hf_dhcp_option82_option_ani_network_name;            /* 82:14 */
 492 static int hf_dhcp_option82_option_ani_ap_name;                 /* 82:15 */
 493 static int hf_dhcp_option82_option_ani_ap_bssid;                        /* 82:16 */
 494 static int hf_dhcp_option82_option_ani_operator_id;             /* 82:17 */
 495 static int hf_dhcp_option82_option_ani_operator_realm;          /* 82:18 */
 496 static int hf_dhcp_option82_option_source_port;                 /* 82:19 */
 497 static int hf_dhcp_option82_link_selection_cisco;                       /* 82:150 */
 498 static int hf_dhcp_option82_vrf_name_vpn_id;                    /* 82:151 */
 499                                                                         /* 82:151 suboptions */
 500 static int hf_dhcp_option82_vrf_name_global;
 501 static int hf_dhcp_option82_vrf_name;
 502 static int hf_dhcp_option82_vrf_name_vpn_id_oui;
 503 static int hf_dhcp_option82_vrf_name_vpn_id_index;
 504                                                                         /* 82:151 suboptions end */
 505 static int hf_dhcp_option82_server_id_override_cisco;           /* 82:152 */
 506
 507 static int hf_dhcp_option_isns_functions;
 508 static int hf_dhcp_option_isns_functions_enabled;
 509 static int hf_dhcp_option_isns_functions_dd_authorization;
 510 static int hf_dhcp_option_isns_functions_sec_policy_distibution;
 511 static int hf_dhcp_option_isns_functions_reserved;
 512
 513 static int hf_dhcp_option_isns_discovery_domain_access;
 514 static int hf_dhcp_option_isns_discovery_domain_access_enabled;
 515 static int hf_dhcp_option_isns_discovery_domain_access_control_node;
 516 static int hf_dhcp_option_isns_discovery_domain_access_iscsi_target;
 517 static int hf_dhcp_option_isns_discovery_domain_access_iscsi_inititator;
 518 static int hf_dhcp_option_isns_discovery_domain_access_ifcp_target_port;
 519 static int hf_dhcp_option_isns_discovery_domain_access_ifcp_initiator_port;
 520 static int hf_dhcp_option_isns_discovery_domain_access_reserved;
 521
 522 static int hf_dhcp_option_isns_administrative_flags;
 523 static int hf_dhcp_option_isns_administrative_flags_enabled;
 524 static int hf_dhcp_option_isns_administrative_flags_heartbeat;
 525 static int hf_dhcp_option_isns_administrative_flags_management_scns;
 526 static int hf_dhcp_option_isns_administrative_flags_default_dd;
 527 static int hf_dhcp_option_isns_administrative_flags_reserved;
 528
 529 static int hf_dhcp_option_isns_server_security_bitmap;
 530 static int hf_dhcp_option_isns_server_security_bitmap_enabled;
 531 static int hf_dhcp_option_isns_server_security_bitmap_ike_ipsec_enabled;
 532 static int hf_dhcp_option_isns_server_security_bitmap_main_mode;
 533 static int hf_dhcp_option_isns_server_security_bitmap_aggressive_mode;
 534 static int hf_dhcp_option_isns_server_security_bitmap_pfs;
 535 static int hf_dhcp_option_isns_server_security_bitmap_transport_mode;
 536 static int hf_dhcp_option_isns_server_security_bitmap_tunnel_mode;
 537 static int hf_dhcp_option_isns_server_security_bitmap_reserved;
 538
 539 static int hf_dhcp_option_isns_heartbeat_originator_addr;
 540 static int hf_dhcp_option_isns_primary_server_addr;
 541 static int hf_dhcp_option_isns_secondary_server_addr_list;
 542
 543 static int hf_dhcp_option_novell_dss_string;                    /* 85 */
 544 static int hf_dhcp_option_novell_dss_ip;                                /* 85 */
 545 static int hf_dhcp_option_novell_ds_tree_name;                  /* 86 */
 546 static int hf_dhcp_option_novell_ds_context;                    /* 87 */
 547 static int hf_dhcp_option_dhcp_authentication_protocol;         /* 90 */
 548 static int hf_dhcp_option_dhcp_authentication_alg_delay;                /* 90 */
 549 static int hf_dhcp_option_dhcp_authentication_algorithm;                /* 90 */
 550 static int hf_dhcp_option_dhcp_authentication_rdm;                      /* 90 */
 551 static int hf_dhcp_option_dhcp_authentication_rdm_replay_detection;   /* 90 */
 552 static int hf_dhcp_option_dhcp_authentication_rdm_rdv;          /* 90 */
 553 static int hf_dhcp_option_dhcp_authentication_secret_id;                /* 90 */
 554 static int hf_dhcp_option_dhcp_authentication_hmac_md5_hash;    /* 90 */
 555 static int hf_dhcp_option_dhcp_authentication_information;              /* 90 */
 556 static int hf_dhcp_option_client_last_transaction_time;         /* 91 */
 557 static int hf_dhcp_option_associated_ip_option;                 /* 92 */
 558 static int hf_dhcp_option_client_system_architecture;           /* 93 */
 559 static int hf_dhcp_option_client_network_id_major_ver;          /* 94 */
 560 static int hf_dhcp_option_client_network_id_minor_ver;          /* 94 */
 561 static int hf_dhcp_option_civic_location_what;                  /* 99 */
 562 static int hf_dhcp_option_civic_location_country;                       /* 99 */
 563 static int hf_dhcp_option_civic_location_ca_type;                       /* 99 */
 564 static int hf_dhcp_option_civic_location_ca_length;             /* 99 */
 565 static int hf_dhcp_option_civic_location_ca_value;                      /* 99 */
 566 static int hf_dhcp_option_tz_pcode;                             /* 100 */
 567 static int hf_dhcp_option_tz_tcode;                             /* 101 */
 568 static int hf_dhcp_option_ipv6_only_preferred_wait_time;                /* 108 */
 569 static int hf_dhcp_option_netinfo_parent_server_address;                /* 112 */
 570 static int hf_dhcp_option_netinfo_parent_server_tag;            /* 113 */
 571 static int hf_dhcp_option_captive_portal;                               /* 114 (ex 160) */
 572 static int hf_dhcp_option_dhcp_auto_configuration;                      /* 116 */
 573 static int hf_dhcp_option_dhcp_name_service_search_option;              /* 117 */
 574 static int hf_dhcp_option_dhcp_dns_domain_search_list_fqdn;             /* 119 */
 575 static int hf_dhcp_option_sip_server_enc;                               /* 120 */
 576 static int hf_dhcp_option_sip_server_name;                              /* 120 */
 577 static int hf_dhcp_option_sip_server_address;                   /* 120 */
 578 static int hf_dhcp_option_classless_static_route;                       /* 120 */
 579 static int hf_dhcp_option_rfc3825_error;                                /* 123 */
 580 static int hf_dhcp_option_rfc3825_latitude;                     /* 123 */
 581 static int hf_dhcp_option_rfc3825_longitude;                    /* 123 */
 582 static int hf_dhcp_option_rfc3825_latitude_res;                 /* 123 */
 583 static int hf_dhcp_option_rfc3825_longitude_res;                        /* 123 */
 584 static int hf_dhcp_option_rfc3825_altitude;                     /* 123 */
 585 static int hf_dhcp_option_rfc3825_altitude_res;                 /* 123 */
 586 static int hf_dhcp_option_rfc3825_altitude_type;                        /* 123 */
 587 static int hf_dhcp_option_rfc3825_map_datum;                    /* 123 */
 588 static int hf_dhcp_option_cl_dss_id_option;                     /* 123 CL */
 589 static int hf_dhcp_option_cl_dss_id_len;                                /* 123 CL */
 590 static int hf_dhcp_option_cl_dss_id;                            /* 123 CL */
 591 static int hf_dhcp_option_vi_class_cl_address_mode;             /* 124 */
 592 static int hf_dhcp_option_vi_class_enterprise;                  /* 124 */
 593 static int hf_dhcp_option_vi_class_data_length;                 /* 124 */
 594 static int hf_dhcp_option_vi_class_data_item_length;            /* 124 */
 595 static int hf_dhcp_option_vi_class_data_item_data;                      /* 124 */
 596
 597 static int hf_dhcp_option125_enterprise;
 598 static int hf_dhcp_option125_length;
 599 static int hf_dhcp_option125_value;                             /* 125 suboption value */
 600 static int hf_dhcp_option125_value_8;                           /* 125 suboption value */
 601 static int hf_dhcp_option125_value_16;                          /* 125 suboption value */
 602 static int hf_dhcp_option125_value_ip_address;                  /* 125 suboption value */
 603 static int hf_dhcp_option125_value_stringz;                     /* 125 suboption value */
 604 static int hf_dhcp_option125_tr111_suboption;                   /* 125 suboption */
 605 static int hf_dhcp_option125_tr111_device_manufacturer_oui;     /* 125:TR-111 1 */
 606 static int hf_dhcp_option125_tr111_device_serial_number;                /* 125:TR-111 2 */
 607 static int hf_dhcp_option125_tr111_device_product_class;                /* 125:TR-111 3 */
 608 static int hf_dhcp_option125_tr111_gateway_manufacturer_oui;    /* 125:TR-111 4 */
 609 static int hf_dhcp_option125_tr111_gateway_serial_number;               /* 125:TR-111 5 */
 610 static int hf_dhcp_option125_tr111_gateway_product_class;               /* 125:TR-111 6 */
 611 static int hf_dhcp_option125_cl_suboption;                              /* 125 suboption */
 612 static int hf_dhcp_option125_cl_option_request;                 /* 125:CL 1 */
 613 static int hf_dhcp_option125_cl_tftp_server_addresses;          /* 125:CL 2 */
 614 static int hf_dhcp_option125_cl_erouter_container_option;               /* 125:CL 3 */
 615 static int hf_dhcp_option125_cl_mib_environment_indicator_option; /* 125:CL 4 */
 616 static int hf_dhcp_option125_cl_modem_capabilities;             /* 125:CL 5 */
 617
 618 static int hf_dhcp_option_subnet_selection_option;                      /* 118 */
 619 static int hf_dhcp_option_pana_agent;                           /* 136 */
 620 static int hf_dhcp_option_lost_server_domain_name;                      /* 137 */
 621 static int hf_dhcp_option_capwap_access_controller;             /* 138 */
 622 static int hf_dhcp_option_andsf_server;                         /* 142 */
 623 static int hf_dhcp_option_forcerenew_nonce_algo;                        /* 145 */
 624 static int hf_dhcp_option_rdnss_reserved;                               /* 146 */
 625 static int hf_dhcp_option_rdnss_pref;                           /* 146 */
 626 static int hf_dhcp_option_rdnss_prim_dns_server;                        /* 146 */
 627 static int hf_dhcp_option_rdnss_sec_dns_server;                 /* 146 */
 628 static int hf_dhcp_option_rdnss_domain;                         /* 146 */
 629 static int hf_dhcp_option_dots_ri;                              /* 147 */
 630 static int hf_dhcp_option_dots_address;                         /* 148 */
 631 static int hf_dhcp_option_tftp_server_address;                  /* 150 */
 632 static int hf_dhcp_option_bulk_lease_status_code;                       /* 151 */
 633 static int hf_dhcp_option_bulk_lease_status_message;            /* 151 */
 634 static int hf_dhcp_option_bulk_lease_base_time;                 /* 152 */
 635 static int hf_dhcp_option_bulk_lease_start_time_of_state;               /* 153 */
 636 static int hf_dhcp_option_bulk_lease_query_start;                       /* 154 */
 637 static int hf_dhcp_option_bulk_lease_query_end;                 /* 155 */
 638 static int hf_dhcp_option_bulk_lease_dhcp_state;                        /* 156 */
 639 static int hf_dhcp_option_bulk_lease_data_source;                       /* 157 */
 640 static int hf_dhcp_option_pcp_list_length;                              /* 158 */
 641 static int hf_dhcp_option_pcp_server;                           /* 158 */
 642 static int hf_dhcp_option_portparams_offset;                    /* 159 */
 643 static int hf_dhcp_option_portparams_psid_length;                       /* 159 */
 644 static int hf_dhcp_option_portparams_psid;                              /* 159 */
 645 static int hf_dhcp_option_mudurl;                                       /* 161 */
 646 static int hf_dhcp_option_pxe_config_file;                              /* 209 */
 647 static int hf_dhcp_option_pxe_path_prefix;                              /* 210 */
 648 static int hf_dhcp_option_pxe_reboot_time;                              /* 211 */
 649 static int hf_dhcp_option_6RD_ipv4_mask_len;                    /* 212 */
 650 static int hf_dhcp_option_6RD_prefix_len;                               /* 212 */
 651 static int hf_dhcp_option_6RD_prefix;                           /* 212 */
 652 static int hf_dhcp_option_6RD_border_relay_ip;                  /* 212 */
 653 static int hf_dhcp_option242_avaya;                             /* 242 */
 654 static int hf_dhcp_option242_avaya_tlssrvr;                     /* 242 */
 655 static int hf_dhcp_option242_avaya_httpsrvr;                    /* 242 */
 656 static int hf_dhcp_option242_avaya_httpdir;                     /* 242 */
 657 static int hf_dhcp_option242_avaya_static;                              /* 242 */
 658 static int hf_dhcp_option242_avaya_mcipadd;                     /* 242 */
 659 static int hf_dhcp_option242_avaya_dot1x;                               /* 242 */
 660 static int hf_dhcp_option242_avaya_icmpdu;                              /* 242 */
 661 static int hf_dhcp_option242_avaya_icmpred;                     /* 242 */
 662 static int hf_dhcp_option242_avaya_l2q;                         /* 242 */
 663 static int hf_dhcp_option242_avaya_l2qvlan;                     /* 242 */
 664 static int hf_dhcp_option242_avaya_loglocal;                    /* 242 */
 665 static int hf_dhcp_option242_avaya_phy1stat;                    /* 242 */
 666 static int hf_dhcp_option242_avaya_phy2stat;                    /* 242 */
 667 static int hf_dhcp_option242_avaya_procpswd;                    /* 242 */
 668 static int hf_dhcp_option242_avaya_procstat;                    /* 242 */
 669 static int hf_dhcp_option242_avaya_snmpadd;                     /* 242 */
 670 static int hf_dhcp_option242_avaya_snmpstring;                  /* 242 */
 671 static int hf_dhcp_option242_avaya_vlantest;                    /* 242 */
 672 static int hf_dhcp_option_private_proxy_autodiscovery;          /* 252 */
 673 static int hf_dhcp_option_end;                                  /* 255 */
 674 static int hf_dhcp_option_end_overload;                         /* 255 (with overload)*/
 675 static int hf_dhcp_vendor_unknown_suboption;
 676 static int hf_dhcp_suboption_data;
 677 static int hf_dhcp_pc_ietf_ccc_suboption;
 678 static int hf_dhcp_pc_i05_ccc_suboption;
 679
 680 static int hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_nom_timeout;
 681 static int hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_timeout;
 682 static int hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_retries;
 683 static int hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_nom_timeout;
 684 static int hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_timeout;
 685 static int hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_retries;
 686
 687 static int ett_dhcp;
 688 static int ett_dhcp_flags;
 689 static int ett_dhcp_option;
 690 static int ett_dhcp_option43_suboption;
 691 static int ett_dhcp_option43_suboption_discovery;
 692 static int ett_dhcp_option43_suboption_tree;
 693 static int ett_dhcp_option63_suboption;
 694 static int ett_dhcp_option77_instance;
 695 static int ett_dhcp_option82_suboption;
 696 static int ett_dhcp_option82_suboption9;
 697 static int ett_dhcp_option124_vendor_class_data_item;
 698 static int ett_dhcp_option125_suboption;
 699 static int ett_dhcp_option125_tr111_suboption;
 700 static int ett_dhcp_option125_cl_suboption;
 701 static int ett_dhcp_option242_suboption;
 702 static int ett_dhcp_fqdn;
 703 static int ett_dhcp_fqdn_flags;
 704 static int ett_dhcp_filename_option;
 705 static int ett_dhcp_server_hostname;
 706 static int ett_dhcp_isns_functions;
 707 static int ett_dhcp_isns_discovery_domain_access;
 708 static int ett_dhcp_isns_administrative_flags;
 709 static int ett_dhcp_isns_server_security_bitmap;
 710 static int ett_dhcp_isns_secondary_server_addr;
 711 static int ett_dhcp_o43_bsdp_boot_image;
 712 static int ett_dhcp_o43_bsdp_attributes;
 713 static int ett_dhcp_o43_bsdp_image_desc_list;
 714 static int ett_dhcp_o43_bsdp_image_desc;
 715 static int ett_dhcp_o43_bsdp_attributes_flags;
 716 static int ett_dhcp_option158_pcp_list;
 717
 718 static expert_field ei_dhcp_bad_length;
 719 static expert_field ei_dhcp_bad_bitfield;
 720 static expert_field ei_dhcp_missing_subopt_length;
 721 static expert_field ei_dhcp_missing_subopt_value;
 722 static expert_field ei_dhcp_mal_duid;
 723 static expert_field ei_dhcp_rfc3396_refer_last_option;
 724 static expert_field ei_dhcp_opt_overload_wrong_field;
 725 static expert_field ei_dhcp_opt_overload_file_end_missing;
 726 static expert_field ei_dhcp_opt_overload_sname_end_missing;
 727 static expert_field ei_dhcp_subopt_unknown_type;
 728 static expert_field ei_dhcp_option_civic_location_bad_cattype;
 729 static expert_field ei_dhcp_option_dhcp_name_service_invalid;
 730 static expert_field ei_dhcp_option_sip_server_address_encoding;
 731 static expert_field ei_dhcp_option_classless_static_route;
 732 static expert_field ei_dhcp_option125_enterprise_malformed;
 733 static expert_field ei_dhcp_option_6RD_malformed;
 734 static expert_field ei_dhcp_option82_vi_cl_tag_unknown;
 735 static expert_field ei_dhcp_option_parse_err;
 736 static expert_field ei_dhcp_nonstd_option_data;
 737 static expert_field ei_dhcp_suboption_invalid;
 738 static expert_field ei_dhcp_secs_le;
 739 static expert_field ei_dhcp_end_option_missing;
 740 static expert_field ei_dhcp_client_address_not_given;
 741 static expert_field ei_dhcp_server_name_overloaded_by_dhcp;
 742 static expert_field ei_dhcp_boot_filename_overloaded_by_dhcp;
 743 static expert_field ei_dhcp_option_isns_ignored_bitfield;
 744 static expert_field ei_dhcp_option242_avaya_l2qvlan_invalid;
 745 static expert_field ei_dhcp_option242_avaya_vlantest_invalid;
 746 static expert_field ei_dhcp_option93_client_arch_ambiguous;
 747
 748 static dissector_table_t dhcp_option_table;
 749 static dissector_table_t dhcp_enterprise_class_table;
 750 static dissector_table_t dhcp_enterprise_specific_table;
 751 static heur_dissector_list_t dhcp_vendor_id_subdissector;
 752 static heur_dissector_list_t dhcp_vendor_info_subdissector;
 753 static dissector_handle_t dhcp_handle;
 754 static dissector_handle_t dhcpopt_basic_handle;
 755
 756 typedef struct dhcp_option_data
 757 {
 758         unsigned char option;
 759         uint8_t *overload;
 760         const char *dhcp_type;
 761         const uint8_t *vendor_class_id;
 762 } dhcp_option_data_t;
 763
 764 #define DHCP_HW_IS_ETHER(hwtype, length) ((hwtype == 1 || hwtype == 6) && length == 6)
 765
 766 /* RFC2937 The Name Service Search Option for DHCP */
 767 #define RFC2937_LOCAL_NAMING_INFORMATION                           0
 768 #define RFC2937_DOMAIN_NAME_SERVER_OPTION                          6
 769 #define RFC2937_NETWORK_INFORMATION_SERVERS_OPTION                41
 770 #define RFC2937_NETBIOS_OVER_TCP_IP_NAME_SERVER_OPTION            44
 771 #define RFC2937_NETWORK_INFORMATION_SERVICE_PLUS_SERVERS_OPTION   65
 772
 773 /* RFC3825decoder error codes of the conversion function */
 774 #define RFC3825_NOERROR                           0
 775 #define RFC3825_LATITUDE_OUTOFRANGE               1
 776 #define RFC3825_LATITUDE_UNCERTAINTY_OUTOFRANGE   2
 777 #define RFC3825_LONGITUDE_OUTOFRANGE              3
 778 #define RFC3825_LONGITUDE_UNCERTAINTY_OUTOFRANGE  4
 779 #define RFC3825_ALTITUDE_OUTOFRANGE               5
 780 #define RFC3825_ALTITUDE_UNCERTAINTY_OUTOFRANGE   6
 781 #define RFC3825_ALTITUDE_TYPE_OUTOFRANGE          7
 782 #define RFC3825_DATUM_TYPE_OUTOFRANGE             8
 783
 784 #define DUID_LLT                1
 785 #define DUID_EN                 2
 786 #define DUID_LL                 3
 787
 788 struct rfc3825_location_fixpoint_t {
 789
 790         int64_t latitude;       /* latitude in degrees, allowed range from -90deg to 90deg.
 791                                    Fixpoint A(8,25) with 34 bits */
 792         uint8_t latitude_res;   /* the resolution of the latitude in bits, allowed range is from 0 to 34.
 793                                    6 bits. */
 794         int64_t longitude;      /* longitude in degrees, range from -180deg to 180deg.
 795                                    Fixpoint A(8,25) with 34 bits */
 796         uint8_t longitude_res;  /* the resolution of the longitude in bits, allowed range is from 0 to 34.
 797                                    6 bits. */
 798         int32_t altitude;       /* the altitude, 30 bits.
 799                                    Depending on alt_type this are meters or floors, no range limit.
 800                                    altitude_type==1: A(13,8) with 22 bits
 801                                    altitude_type==2: A(13,8) with 22 bits */
 802         uint8_t altitude_res;   /* the resolution of the altitude in bits, allowed range is from 0 to 30.
 803                                    6 bits.
 804                                    altitude_type==1: any value between 0 and 30
 805                                    altitude_type==2: either 0 (floor unknown) or 30 */
 806         uint8_t altitude_type;  /* the type of the altitude, 4 bits. allowed values are:
 807                                    0: unknown
 808                                    1: altitude in meters
 809                                    2: altitude in floors */
 810         uint8_t datum_type;     /* the map datum used for the coordinates. 8 bits.
 811                                    All values are allowed although currently only the
 812                                    following ones are defined:
 813                                    1: WGS84
 814                                    2: NAD83/NAVD88
 815                                    3: NAD83/MLLW */
 816 };
 817
 818 /* The rfc3825_location_decimal_t structure holds the location parameters
 819  * in decimal (floating point) format.
 820  */
 821 struct rfc3825_location_decimal_t {
 822
 823         double latitude;        /* latitude in degrees, allowed range from -90deg to 90deg */
 824         double latitude_res;    /* the uncertainty of the latitude in grad, "0.01" means +-0.01deg
 825                                    from the altitude. During conversion this will be rounded to
 826                                    next smaller value which can be represented in fixpoint arithmetic */
 827         double longitude;       /* longitude in degrees, range from -180deg to 180deg */
 828         double longitude_res;   /* the uncertainty of the longitude in grad, "0.01" means +-0.01deg
 829                                    from the longitude. During conversion this will be rounded to
 830                                    next smaller value which can be represented in fixpoint arithmetic */
 831         double altitude;        /* the altitude, depending on alt_type this are meters or floors, no range limit */
 832         double altitude_res;    /* the uncertainty of the altitude in either:
 833                                    - altitude-type=meters: "10" means 10 meters which means +-10 meters from the altitude
 834                                    - altitude-type=floors: either 0 (unknown) or 30 (exact) */
 835         int altitude_type;      /* the type of the altitude, allowed values are
 836                                    0: unknown
 837                                    1: altitude in meters
 838                                    2: altitude in floors */
 839         int datum_type;          /* the map datum used for the coordinates.
 840                                     All values are allowed although currently only the
 841                                     following ones are defined:
 842                                     1: WGS84
 843                                     2: NAD83/NAVD88
 844                                     3: NAD83/MLLW */
 845 };
 846
 847 /* For managing split options with RFC 3396 */
 848 struct rfc3396_for_option_t {
 849         unsigned int total_number_of_block;
 850         unsigned int index_current_block;
 851         tvbuff_t* tvb_composite;
 852 };
 853
 854 enum {
 855         RFC_3361_ENC_FQDN,
 856         RFC_3361_ENC_IPADDR
 857 };
 858
 859 static void dissect_vendor_avaya_param(proto_tree *tree, packet_info *pinfo, proto_item *vti,
 860                 tvbuff_t *tvb, int optoff, wmem_strbuf_t *avaya_param_buf);
 861
 862 /* converts fixpoint presentation into decimal presentation
 863    also converts values which are out of range to allow decoding of received data */
 864 static int rfc3825_fixpoint_to_decimal(struct rfc3825_location_fixpoint_t *fixpoint, struct rfc3825_location_decimal_t *decimal);
 865
 866 /* decodes the LCI string received from DHCP into the fixpoint values */
 867 static void rfc3825_lci_to_fixpoint(const unsigned char lci[16], struct rfc3825_location_fixpoint_t *fixpoint);
 868
 869
 870 /* Map Datum Types used for the coordinates (RFC 3825) */
 871 static const value_string map_datum_type_values[] = {
 872         { 1,    "WGS 84" },
 873         { 2,    "NAD83 (NAVD88)" },
 874         { 3,    "NAD83 (MLLW)" },
 875         { 0,    NULL }
 876 };
 877
 878
 879 /* Altitude Types used for the coordinates (RFC 3825) */
 880 static const value_string altitude_type_values[] = {
 881         { 1,    "Meters" },
 882         { 2,    "Floors" },
 883         { 0,    NULL }
 884 };
 885
 886 /* AutoConfigure (RFC 2563) */
 887 static const value_string dhcp_autoconfig[] = {
 888         { 0,    "DoNotAutoConfigure"},
 889         { 1,    "AutoConfigure"},
 890         { 0,    NULL }
 891 };
 892
 893 /* Error Types for RFC 3825 coordinate location decoding */
 894 static const value_string rfc3825_error_types[] = {
 895         { 1,    "Latitude is out of range [-90,90]"},
 896         { 2,    "Latitude Uncertainty is out of range [0,90]"},
 897         { 3,    "Longitude is out of range [-180,180]"},
 898         { 4,    "Longitude Uncertainty is out of range [0,180]"},
 899         { 5,    "Altitude is out of range [-(2^21),(2^21)-1]"},
 900         { 6,    "Altitude Uncertainty is out of range [0,2^20]"},
 901         { 7,    "Altitude Type is out of range [0,2]"},
 902         { 8,    "Datum is out of range [1,3]"},
 903         { 0,    NULL }
 904 };
 905
 906
 907
 908 /* Civic Address What field (RFC 4776) */
 909 static const value_string civic_address_what_values[] = {
 910         { 0,    "Location of the DHCP server" },
 911         { 1,    "Location of the network element believed to be closest to the client" },
 912         { 2,    "Location of the client"},
 913         { 0, NULL}
 914 };
 915
 916 /* Civic Address Type field (RFC 4119, RFC 4776, RFC 5139) */
 917 static const value_string civic_address_type_values[] = {
 918         {   0,  "Language" },
 919         {   1,  "A1" },
 920         {   2,  "A2" },
 921         {   3,  "A3" },
 922         {   4,  "A4" },
 923         {   5,  "A5" },
 924         {   6,  "A6" },
 925         {  16,  "PRD (Leading street direction)" },
 926         {  17,  "POD (Trailing street suffix)" },
 927         {  18,  "STS (Street suffix)" },
 928         {  19,  "HNO (House number)" },
 929         {  20,  "HNS (House number suffix)" },
 930         {  21,  "LMK (Landmark or vanity address)" },
 931         {  22,  "LOC (Additional location information)" },
 932         {  23,  "NAM" },
 933         {  24,  "PC (Postal/ZIP code)" },
 934         {  25,  "BLD (Building)" },
 935         {  26,  "UNIT" },
 936         {  27,  "FLR (Floor)" },
 937         {  28,  "ROOM" },
 938         {  29,  "PLC (Place-type)" },
 939         {  30,  "PCN (Postal community name)" },
 940         {  31,  "POBOX" },
 941         {  32,  "ADDCODE (Additional Code)" },
 942         {  33,  "SEAT" },
 943         {  34,  "RD (Primary road or street)" },
 944         {  35,  "RDSEC (Road section)" },
 945         {  36,  "RDBR (Road branch)" },
 946         {  37,  "RDSUBBR (Road sub-branch)" },
 947         {  38,  "PRM (Road pre-modifier)" },
 948         {  39,  "POM (Road post-modifier" },
 949         { 128,  "Script" },
 950         { 0, NULL }
 951 };
 952
 953 static const value_string cablelab_ipaddr_mode_vals[] = {
 954         { 1, "IPv4" },
 955         { 2, "IPv6" },
 956         { 0, NULL }
 957 };
 958
 959 static const value_string duidtype_vals[] =
 960 {
 961         { DUID_LLT,     "link-layer address plus time" },
 962         { DUID_EN,      "assigned by vendor based on Enterprise number" },
 963         { DUID_LL,      "link-layer address" },
 964         { 0, NULL }
 965 };
 966
 967 static const value_string forcerenew_nonce_algo_vals[] = {
 968         { 1, "HMAC-MD5" },
 969         { 0, NULL },
 970 };
 971
 972 static const value_string rdnss_pref_vals[] = {
 973         { 0, "Medium" },
 974         { 1, "High" },
 975         { 2, "Reserved" },
 976         { 3, "Low" },
 977         { 0, NULL },
 978 };
 979
 980 static const value_string bulk_lease_dhcp_status_code_vals[] = {
 981         { 0, "Success" },
 982         { 1, "UpsecFail" },
 983         { 2, "QueryTerminated" },
 984         { 3, "MalformedQuery" },
 985         { 4, "NotAllowed" },
 986         { 5, "DataMissing" },
 987         { 6, "ConnectionActive" },
 988         { 7, "CatchUpComplete" },
 989         { 8, "TLSConnectionRefused" },
 990         { 0, NULL },
 991 };
 992
 993 static const value_string bulk_lease_dhcp_state_vals[] = {
 994         { 1, "Available" },
 995         { 2, "Active" },
 996         { 3, "Expired" },
 997         { 4, "Released" },
 998         { 5, "Abandoned" },
 999         { 6, "Reset" },
1000         { 7, "Remote" },
1001         { 8, "Transitioning" },
1002         { 0, NULL },
1003 };
1004
1005 static const value_string o43pxeclient_boot_server_types[] = {
1006         {  0, "PXE bootstrap server" },
1007         {  1, "Microsoft Windows NT Boot Server" },
1008         {  2, "Intel LCM Boot Server" },
1009         {  3, "DOS/UNDI Boot Server" },
1010         {  4, "NEC ESMPRO Boot Server" },
1011         {  5, "IBM WSoD Boot Server" },
1012         {  6, "IBM LCCM Boot Server" },
1013         {  7, "CA Unicenter TNG Boot Server" },
1014         {  8, "HP OpenView Boot Server" },
1015         {  65535, "PXE API Test server" },
1016         {  0, NULL },
1017 };
1018
1019 static const value_string o43pxeclient_boot_menu_types[] = {
1020         {  0, "Local boot" },
1021         {  0, NULL },
1022 };
1023
1024 static bool novell_string;
1025
1026 static int dhcp_uuid_endian = ENC_LITTLE_ENDIAN;
1027
1028 static const enum_val_t dhcp_uuid_endian_vals[] = {
1029         { "LE", "Little Endian",        ENC_LITTLE_ENDIAN},
1030         { "BE", "Big Endian", ENC_BIG_ENDIAN },
1031         { NULL, NULL, 0 }
1032 };
1033
1034 #define DHCP_SECS_ENDIAN_AUTODETECT -1
1035
1036 static int dhcp_secs_endian = DHCP_SECS_ENDIAN_AUTODETECT;
1037
1038 static const enum_val_t dhcp_secs_endian_vals[] = {
1039         { "Autodetect", "Autodetect", DHCP_SECS_ENDIAN_AUTODETECT},
1040         { "LE", "Little Endian", ENC_LITTLE_ENDIAN},
1041         { "BE", "Big Endian", ENC_BIG_ENDIAN },
1042         { NULL, NULL, 0 }
1043 };
1044
1045 #define DHCP_UDP_PORT_RANGE  "67-68,4011"
1046 #define PROXYDHCP_UDP_PORT   4011
1047
1048 #define BOOTP_BC        0x8000
1049 #define BOOTP_MBZ       0x7FFF
1050
1051 /* FQDN stuff */
1052 #define F_FQDN_S        0x01
1053 #define F_FQDN_O        0x02
1054 #define F_FQDN_E        0x04
1055 #define F_FQDN_N        0x08
1056 #define F_FQDN_MBZ      0xf0
1057
1058 #define ISNS_BITFIELD_NZ_MUST_BE_IGNORED(mask, ena_flag)                \
1059         ((mask) && !((mask) & (ena_flag)))
1060
1061 /* iSNS bit fields */
1062 #define F_ISNS_FUNCTIONS_ENABLED        0x0001
1063 #define F_ISNS_FUNCTIONS_DD_AUTH        0x0002
1064 #define F_ISNS_FUNCTIONS_SEC_POLICY     0x0004
1065 #define F_ISNS_FUNCTIONS_RESERVED       0xFFF8
1066
1067 #define F_ISNS_DD_ACCESS_ENABLED                0x0001
1068 #define F_ISNS_DD_ACCESS_CTRL_NODE              0x0002
1069 #define F_ISNS_DD_ACCESS_ISCSI_TARGET           0x0004
1070 #define F_ISNS_DD_ACCESS_ISCSI_INITIATOR        0x0008
1071 #define F_ISNS_DD_ACCESS_IFCP_TARGET_PORT       0x0010
1072 #define F_ISNS_DD_ACCESS_IFCP_INITIATOR_PORT    0x0020
1073 #define F_ISNS_DD_ACCESS_RESERVED               0xFFC0
1074
1075 #define F_ISNS_ADMIN_FLAGS_ENABLED              0x0001
1076 #define F_ISNS_ADMIN_FLAGS_HEARTBEAT            0x0002
1077 #define F_ISNS_ADMIN_FLAGS_MANAGEMENT_SCNS      0x0004
1078 #define F_ISNS_ADMIN_FLAGS_DEFAULT_DD           0x0008
1079 #define F_ISNS_ADMIN_FLAGS_RESERVED             0xFFF0
1080
1081 #define F_ISNS_SRV_SEC_BITMAP_ENABLED           0x0001
1082 #define F_ISNS_SRV_SEC_BITMAP_IKE_IPSEC         0x0002
1083 #define F_ISNS_SRV_SEC_BITMAP_MAIN_MODE         0x0004
1084 #define F_ISNS_SRV_SEC_BITMAP_AGGRESSIVE        0x0008
1085 #define F_ISNS_SRV_SEC_BITMAP_PFS               0x0010
1086 #define F_ISNS_SRV_SEC_BITMAP_TRASPORT_MODE     0x0020
1087 #define F_ISNS_SRV_SEC_BITMAP_TUNNEL_MODE       0x0040
1088 #define F_ISNS_SRV_SEC_BITMAP_RESERVED          0xFF80
1089
1090
1091 static const true_false_string tfs_fqdn_o = {
1092         "Override",
1093         "No override"
1094 };
1095
1096 static const true_false_string tfs_fqdn_e = {
1097         "Binary encoding",
1098         "ASCII encoding"
1099 };
1100
1101 static const true_false_string tfs_fqdn_n = {
1102         "No server updates",
1103         "Some server updates"
1104 };
1105
1106 static const true_false_string tfs_isns_function_dd_based_auth = {
1107         "Automatically allowed access",
1108         "Explicitly performed",
1109 };
1110
1111 static const true_false_string tfs_isns_functions_sec_distrib = {
1112         "Download from iSNS server",
1113         "By other means",
1114 };
1115
1116 static const true_false_string tfs_bulk_lease_data_source = {
1117         "Remote",
1118         "Local"
1119 };
1120
1121 enum field_type {
1122         special,
1123         none,
1124         presence,
1125         ipv4,                   /* single IPv4 address */
1126         ipv4_list,              /* list of IPv4 addresses */
1127         string,
1128         bytes,
1129         opaque,
1130         val_boolean,
1131         val_u_byte,
1132         val_u_short,
1133         val_u_short_list,
1134         val_u_le_short,
1135         val_u_long,
1136         time_in_s_secs,         /* Signed */
1137         time_in_u_secs,         /* Unsigned (not micro) */
1138         fqdn,
1139         ipv4_or_fqdn,
1140         oui
1141 };
1142
1143 struct opt_info {
1144         const char      *text;
1145         enum field_type ftype;
1146         int* phf;
1147 };
1148
1149 static const true_false_string flag_set_broadcast = {
1150         "Broadcast",
1151         "Unicast"
1152 };
1153
1154 #define BOOTP_MAX_NO_CHAR 64
1155
1156 /* PacketCable/DOCSIS definitions */
1157 #define PACKETCABLE_MTA_CAP10 "pktc1.0:"
1158 #define PACKETCABLE_MTA_CAP15 "pktc1.5:"
1159 #define PACKETCABLE_MTA_CAP20 "pktc2.0:"
1160 #define PACKETCABLE_CM_CAP11  "docsis1.1:"
1161 #define PACKETCABLE_CM_CAP20  "docsis2.0:"
1162 #define PACKETCABLE_CM_CAP30  "docsis3.0:"
1163
1164 #define PACKETCABLE_CCC_I05      1
1165 #define PACKETCABLE_CCC_DRAFT5   2
1166 #define PACKETCABLE_CCC_RFC_3495 3
1167
1168 static const enum_val_t pkt_ccc_protocol_versions[] = {
1169         { "ccc_i05",     "PKT-SP-PROV-I05-021127", PACKETCABLE_CCC_I05 },
1170         { "ccc_draft_5", "IETF Draft 5",           PACKETCABLE_CCC_DRAFT5 },
1171         { "rfc_3495",    "RFC 3495",               PACKETCABLE_CCC_RFC_3495 },
1172         { NULL, NULL, 0 }
1173 };
1174
1175 #define APPLE_BSDP_SERVER "AAPLBSDPC"
1176 #define APPLE_BSDP_CLIENT "AAPLBSDPC/"
1177
1178 #define CISCO_VCID "cisco"
1179
1180 #define AEROHIVE_VCID "AEROHIVE"
1181
1182 static int pkt_ccc_protocol_version = PACKETCABLE_CCC_RFC_3495;
1183 static unsigned pkt_ccc_option = 122;
1184
1185 static void dissect_docsis_cm_cap(packet_info *pinfo, proto_tree *v_tree, tvbuff_t *tvb,
1186                                   int voff, int len, bool opt125);
1187
1188 #define ARUBA_INSTANT_AP "ArubaInstantAP"
1189 #define ARUBA_AP "ArubaAP"
1190
1191 #define OPT53_DISCOVER "Discover"
1192 /* https://www.iana.org/assignments/bootp-dhcp-parameters */
1193 static const value_string opt53_text[] = {
1194         {  1,   OPT53_DISCOVER },
1195         {  2,   "Offer" },
1196         {  3,   "Request" },
1197         {  4,   "Decline" },
1198         {  5,   "ACK" },
1199         {  6,   "NAK" },
1200         {  7,   "Release" },
1201         {  8,   "Inform" },
1202         {  9,   "Force Renew" },
1203         { 10,   "Lease query" },                /* RFC4388 */
1204         { 11,   "Lease Unassigned" },           /* RFC4388 */
1205         { 12,   "Lease Unknown" },              /* RFC4388 */
1206         { 13,   "Lease Active" },               /* RFC4388 */
1207         { 14,   "Bulk Lease Query" },           /* RFC6926 */
1208         { 15,   "Lease Query Done" },           /* RFC6926 */
1209         { 16,   "Active LeaseQuery" },          /* RFC7724 */
1210         { 17,   "Lease Query Status" },         /* RFC7724 */
1211         { 18,   "TLS" },                        /* RFC7724 */
1212         { 0,    NULL }
1213 };
1214
1215 /* DHCP Authentication protocols */
1216 #define AUTHEN_PROTO_CONFIG_TOKEN       0
1217 #define AUTHEN_PROTO_DELAYED_AUTHEN     1
1218
1219 /* DHCP Authentication algorithms for delayed authentication */
1220 #define AUTHEN_DELAYED_ALGO_HMAC_MD5    1
1221
1222 /* DHCP Authentication Replay Detection Methods */
1223 #define AUTHEN_RDM_MONOTONIC_COUNTER    0x00
1224
1225 /* DHCP Option Overload (option code 52) */
1226 #define OPT_OVERLOAD_FILE               1
1227 #define OPT_OVERLOAD_SNAME              2
1228 #define OPT_OVERLOAD_BOTH               3
1229
1230 /* Server name and boot file offsets and lengths */
1231 #define SERVER_NAME_OFFSET              44
1232 #define SERVER_NAME_LEN                 64
1233 #define FILE_NAME_OFFSET                108
1234 #define FILE_NAME_LEN                   128
1235 #define VENDOR_INFO_OFFSET              236
1236
1237 static const value_string dhcp_nbnt_vals[] = {
1238         {0x1,   "B-node" },
1239         {0x2,   "P-node" },
1240         {0x4,   "M-node" },
1241         {0x8,   "H-node" },
1242         {0,     NULL     }
1243 };
1244
1245 /*
1246  * There is confusion around some Client Architecture IDs: RFC 4578 section 2.1
1247  * lists *requested* architecture IDs, however the actual assigned IDs
1248  * (https://www.ietf.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xml#processor-architecture)
1249  * differ.  Specifically,
1250  *
1251  *    EFI Byte Code (EFI BC, EBC) was 7 in RFC 4578, but is assigned 9 by IETF.
1252  *    EFI x64 was 9 in RFC 4578, but is assigned 7 by IETF.
1253  *
1254  * For confirmation, refer to RFC erratum 4624:
1255  *    https://www.rfc-editor.org/errata/eid4624
1256  */
1257 static const value_string dhcp_client_arch[] = {
1258         { 0x0000, "IA x86 PC" },
1259         { 0x0001, "NEC/PC98" },
1260         { 0x0002, "IA64 PC" },
1261         { 0x0003, "DEC Alpha" },
1262         { 0x0004, "ArcX86" },
1263         { 0x0005, "Intel Lean Client" },
1264         { 0x0006, "EFI IA32" },
1265         { 0x0007, "EFI x64" }, /* *Not* EFI BC.  See comment above. */
1266         { 0x0008, "EFI Xscale" },
1267         { 0x0009, "EFI BC" },  /* *Not* EFI x64.  See comment above. */
1268         { 0x000a, "ARM 32-bit UEFI" },
1269         { 0x000b, "ARM 64-bit UEFI" },
1270         { 0x000c, "PowerPC Open Firmware" },
1271         { 0x000d, "PowerPC ePAPR" },
1272         { 0x000e, "POWER OPAL v3" },
1273         { 0x000f, "x86 UEFI HTTP" },
1274         { 0x0010, "x64 UEFI HTTP" },
1275         { 0x0011, "EBC UEFI HTTP" },
1276         { 0x0012, "ARM 32-bit UEFI HTTP" },
1277         { 0x0013, "ARM 64-bit UEFI HTTP" },
1278         { 0x0014, "PC/AT HTTP" },
1279         { 0x0015, "ARM 32-bit uboot" },
1280         { 0x0016, "ARM 64-bit uboot" },
1281         { 0x0017, "ARM 32-bit uboot HTTP" },
1282         { 0x0018, "ARM 64-bit uboot HTTP" },
1283         { 0x0019, "RISC-V 32-bit UEFI" },
1284         { 0x001a, "RISC-V 32-bit UEFI HTTP" },
1285         { 0x001b, "RISC-V 64-bit UEFI" },
1286         { 0x001c, "RISC-V 64-bit UEFI HTTP" },
1287         { 0x001d, "RISC-V 128-bit UEFI" },
1288         { 0x001e, "RISC-V 128-bit UEFI HTTP" },
1289         { 0x001f, "s390 Basic" },
1290         { 0x0020, "s390 Extended" },
1291         { 0,      NULL }
1292 };
1293
1294 static const value_string opt_overload_vals[] = {
1295         { OPT_OVERLOAD_FILE,  "Boot file name holds options",                },
1296         { OPT_OVERLOAD_SNAME, "Server host name holds options",              },
1297         { OPT_OVERLOAD_BOTH,  "Boot file and server host names hold options" },
1298         { 0,                  NULL                                           } };
1299
1300 static const value_string slpda_vals[] = {
1301         {0x00,   "Dynamic Discovery" },
1302         {0x01,   "Static Discovery" },
1303         {0x80,   "Backwards compatibility" },
1304         {0,     NULL     } };
1305
1306 static const value_string slp_scope_vals[] = {
1307         {0x00,   "Preferred Scope" },
1308         {0x01,   "Mandatory Scope" },
1309         {0,     NULL     } };
1310
1311 static const value_string authen_protocol_vals[] = {
1312         {AUTHEN_PROTO_CONFIG_TOKEN,   "configuration token" },
1313         {AUTHEN_PROTO_DELAYED_AUTHEN, "delayed authentication" },
1314         {0,                           NULL     } };
1315
1316 static const value_string authen_da_algo_vals[] = {
1317         {AUTHEN_DELAYED_ALGO_HMAC_MD5, "HMAC_MD5" },
1318         {0,                            NULL     } };
1319
1320 static const value_string authen_rdm_vals[] = {
1321         {AUTHEN_RDM_MONOTONIC_COUNTER, "Monotonically-increasing counter" },
1322         {0,                            NULL     } };
1323
1324 static const value_string cl_dss_id_type_vals[] = {
1325         {1, "Primary DSS_ID" },
1326         {2, "Secondary DSS_ID" },
1327         {0, NULL }
1328 };
1329
1330 static const value_string sip_server_enc_vals[] = {
1331         {0, "Fully Qualified Domain Name" },
1332         {1, "IPv4 Address" },
1333         {0, NULL }
1334 };
1335
1336 static const value_string o43_bsdp_boot_image_install_vals[] = {
1337         { 0, "non-install" },
1338         { 1, "install" },
1339         { 0, NULL }
1340 };
1341
1342 static const value_string o43_bsdp_boot_image_kind_vals[] = {
1343         { 0, "Mac OS 9" },
1344         { 1, "Mac OS X" },
1345         { 2, "Mac OS X Server" },
1346         { 3, "Hardware Diagnostics" },
1347         { 0, NULL }
1348 };
1349
1350 static const value_string o43_bsdp_message_type_vals[] = {
1351         { 1, "LIST" },
1352         { 2, "SELECT" },
1353         { 3, "FAILED" },
1354         { 0, NULL }
1355 };
1356
1357 static const string_string option242_avaya_phystat_vals[] = {
1358         { "0", "Disabled" },
1359         { "1", "Auto" },
1360         { "2", "10Mbps half" },
1361         { "3", "10Mbps full" },
1362         { "4", "100Mbps half" },
1363         { "5", "100Mbps full" },
1364         { "6", "1000Mbps full" },
1365         { NULL, NULL }
1366 };
1367
1368 static const string_string option242_avaya_l2q_vals[] = {
1369         { "0", "Auto" },
1370         { "1", "Enabled" },
1371         { "2", "Disabled" },
1372         { NULL, NULL }
1373 };
1374
1375 static const string_string option242_avaya_dot1x_vals[] = {
1376         { "0", "With PAE pass-through" },
1377         { "1", "With PAE pass-through and proxy Logoff" },
1378         { "2", "Without PAE pass-through or proxy Logoff" },
1379         { NULL, NULL }
1380 };
1381
1382 static const string_string option242_avaya_icmpdu_vals[] = {
1383         { "0", "No ICMP Destination Unreachable messages" },
1384         { "1", "Send limited Port Unreachable messages" },
1385         { "2", "Send Protocol and Port Unreachable messages" },
1386         { NULL, NULL }
1387 };
1388
1389 static const string_string option242_avaya_icmpred_vals[] = {
1390         { "0", "Ignore ICMP Redirect messages" },
1391         { "1", "Process ICMP Redirect messages" },
1392         { NULL, NULL }
1393 };
1394
1395 static const string_string option242_avaya_loglocal_vals[] = {
1396         { "0", "Disabled" },
1397         { "1", "Emergency" },
1398         { "2", "Alerts" },
1399         { "3", "Critical" },
1400         { "4", "Errors" },
1401         { "5", "Warnings" },
1402         { "6", "Notices" },
1403         { "7", "Information" },
1404         { "8", "Debug" },
1405         { NULL, NULL }
1406 };
1407
1408 static const string_string option242_avaya_procstat_vals[] = {
1409         { "0", "All administrative options" },
1410         { "1", "Only view administrative options" },
1411         { NULL, NULL }
1412 };
1413
1414 static const string_string option242_avaya_static_vals[] = {
1415         { "0", "Static programming never overrides call server (DHCP) or call server administered data" },
1416         { "1", "Static programming overrides only file server administered data" },
1417         { "2", "Static programming overrides only call server administered data" },
1418         { "3", "Static programming overrides both file server- and call server-administered data" },
1419         { NULL, NULL }
1420 };
1421
1422 /* dhcp options administration */
1423 #define DHCP_OPT_NUM    256
1424
1425 /* All of the options that have a "basic" type that can be handled by dissect_dhcpopt_basic_type() */
1426 #define DHCP_OPTION_BASICTYPE_RANGE "1-20,22-32,34-42,44-51,53-54,56-59,62,64-76,86-87,91-92,100-101,108,112-113,116,118,136-138,142,147-148,150,153,156-157,161,209-211,252"
1427
1428 /* Re-define structure.  Values to be updated by dhcp_init_protocol */
1429 static struct opt_info dhcp_opt[DHCP_OPT_NUM];
1430
1431 static const struct opt_info default_dhcp_opt[DHCP_OPT_NUM] = {
1432 /*   0 */ { "Padding",                                  none, &hf_dhcp_option_padding },
1433 /*   1 */ { "Subnet Mask",                              ipv4, &hf_dhcp_option_subnet_mask },
1434 /*   2 */ { "Time Offset",                              time_in_s_secs, &hf_dhcp_option_time_offset },
1435 /*   3 */ { "Router",                                   ipv4_list, &hf_dhcp_option_router },
1436 /*   4 */ { "Time Server",                              ipv4_list, &hf_dhcp_option_time_server },
1437 /*   5 */ { "Name Server",                              ipv4_list, &hf_dhcp_option_name_server },
1438 /*   6 */ { "Domain Name Server",                       ipv4_list, &hf_dhcp_option_domain_name_server },
1439 /*   7 */ { "Log Server",                               ipv4_list, &hf_dhcp_option_log_server },
1440 /*   8 */ { "Quotes Server",                            ipv4_list, &hf_dhcp_option_quotes_server },
1441 /*   9 */ { "LPR Server",                               ipv4_list, &hf_dhcp_option_lpr_server },
1442 /*  10 */ { "Impress Server",                           ipv4_list, &hf_dhcp_option_impress_server },
1443 /*  11 */ { "Resource Location Server",                 ipv4_list, &hf_dhcp_option_resource_location_server },
1444 /*  12 */ { "Host Name",                                string, &hf_dhcp_option_hostname },
1445 /*  13 */ { "Boot File Size",                           val_u_short, &hf_dhcp_option_boot_file_size },
1446 /*  14 */ { "Merit Dump File",                          string, &hf_dhcp_option_merit_dump_file },
1447 /*  15 */ { "Domain Name",                              string, &hf_dhcp_option_domain_name },
1448 /*  16 */ { "Swap Server",                              ipv4, &hf_dhcp_option_swap_server },
1449 /*  17 */ { "Root Path",                                string, &hf_dhcp_option_root_path },
1450 /*  18 */ { "Extensions Path",                          string, &hf_dhcp_option_extension_path },
1451 /*  19 */ { "IP Forwarding",                            val_boolean, &hf_dhcp_option_ip_forwarding },
1452 /*  20 */ { "Non-Local Source Routing",                 val_boolean, &hf_dhcp_option_non_local_source_routing },
1453 /*  21 */ { "Policy Filter",                            special, NULL },
1454 /*  22 */ { "Maximum Datagram Reassembly Size",         val_u_short, &hf_dhcp_option_max_datagram_reassembly_size },
1455 /*  23 */ { "Default IP Time-to-Live",                  val_u_byte, &hf_dhcp_option_default_ip_ttl },
1456 /*  24 */ { "Path MTU Aging Timeout",                   time_in_u_secs, &hf_dhcp_option_path_mtu_aging_timeout },
1457 /*  25 */ { "Path MTU Plateau Table",                   val_u_short_list, &hf_dhcp_option_path_mtu_plateau_table_item },
1458 /*  26 */ { "Interface MTU",                            val_u_short, &hf_dhcp_option_interface_mtu },
1459 /*  27 */ { "All Subnets are Local",                    val_boolean, &hf_dhcp_option_all_subnets_are_local },
1460 /*  28 */ { "Broadcast Address",                        ipv4, &hf_dhcp_option_broadcast_address },
1461 /*  29 */ { "Perform Mask Discovery",                   val_boolean, &hf_dhcp_option_perform_mask_discovery },
1462 /*  30 */ { "Mask Supplier",                            val_boolean, &hf_dhcp_option_mask_supplier },
1463 /*  31 */ { "Perform Router Discover",                  val_boolean, &hf_dhcp_option_perform_router_discover },
1464 /*  32 */ { "Router Solicitation Address",              ipv4, &hf_dhcp_option_router_solicitation_address },
1465 /*  33 */ { "Static Route",                             special, NULL },
1466 /*  34 */ { "Trailer Encapsulation",                    val_boolean, &hf_dhcp_option_trailer_encapsulation },
1467 /*  35 */ { "ARP Cache Timeout",                        time_in_u_secs, &hf_dhcp_option_arp_cache_timeout },
1468 /*  36 */ { "Ethernet Encapsulation",                   val_boolean, &hf_dhcp_option_ethernet_encapsulation },
1469 /*  37 */ { "TCP Default TTL",                          val_u_byte, &hf_dhcp_option_tcp_default_ttl },
1470 /*  38 */ { "TCP Keepalive Interval",                   time_in_u_secs, &hf_dhcp_option_tcp_keepalive_interval },
1471 /*  39 */ { "TCP Keepalive Garbage",                    val_boolean, &hf_dhcp_option_tcp_keepalive_garbage },
1472 /*  40 */ { "Network Information Service Domain",       string, &hf_dhcp_option_nis_domain },
1473 /*  41 */ { "Network Information Service Servers",      ipv4_list, &hf_dhcp_option_nis_server },
1474 /*  42 */ { "Network Time Protocol Servers",            ipv4_list, &hf_dhcp_option_ntp_server },
1475 /*  43 */ { "Vendor-Specific Information",              special, NULL },
1476 /*  44 */ { "NetBIOS over TCP/IP Name Server",          ipv4_list, &hf_dhcp_option_netbios_over_tcpip_name_server },
1477 /*  45 */ { "NetBIOS over TCP/IP Datagram Distribution Name Server", ipv4_list, &hf_dhcp_option_netbios_over_tcpip_dd_name_server },
1478 /*  46 */ { "NetBIOS over TCP/IP Node Type",            val_u_byte, &hf_dhcp_option_netbios_over_tcpip_node_type },
1479 /*  47 */ { "NetBIOS over TCP/IP Scope",                string, &hf_dhcp_option_netbios_over_tcpip_scope },
1480 /*  48 */ { "X Window System Font Server",              ipv4_list, &hf_dhcp_option_xwindows_system_font_server },
1481 /*  49 */ { "X Window System Display Manager",          ipv4_list, &hf_dhcp_option_xwindows_system_display_manager },
1482 /*  50 */ { "Requested IP Address",                     ipv4, &hf_dhcp_option_requested_ip_address },
1483 /*  51 */ { "IP Address Lease Time",                    time_in_u_secs, &hf_dhcp_option_ip_address_lease_time },
1484 /*  52 */ { "Option Overload",                          special, &hf_dhcp_option_option_overload },
1485 /*  53 */ { "DHCP Message Type",                        val_u_byte, &hf_dhcp_option_dhcp },
1486 /*  54 */ { "DHCP Server Identifier",                   ipv4, &hf_dhcp_option_dhcp_server_id },
1487 /*  55 */ { "Parameter Request List",                   special, &hf_dhcp_option_parameter_request_list_item },
1488 /*  56 */ { "Message",                                  string, &hf_dhcp_option_message },
1489 /*  57 */ { "Maximum DHCP Message Size",                val_u_short, &hf_dhcp_option_dhcp_max_message_size },
1490 /*  58 */ { "Renewal Time Value",                       time_in_u_secs, &hf_dhcp_option_renewal_time_value },
1491 /*  59 */ { "Rebinding Time Value",                     time_in_u_secs, &hf_dhcp_option_rebinding_time_value },
1492 /*  60 */ { "Vendor class identifier",                  special, NULL },
1493 /*  61 */ { "Client identifier",                        special, NULL },
1494 /*  62 */ { "Novell/Netware IP domain",                 string, &hf_dhcp_option_novell_netware_ip_domain },
1495 /*  63 */ { "Novell Options",                           special, NULL },
1496 /*  64 */ { "Network Information Service+ Domain",      string, &hf_dhcp_option_nis_plus_domain },
1497 /*  65 */ { "Network Information Service+ Servers",     ipv4_list, &hf_dhcp_option_nis_plus_server },
1498 /*  66 */ { "TFTP Server Name",                         string, &hf_dhcp_option_tftp_server_name },
1499 /*  67 */ { "Bootfile name",                            string, &hf_dhcp_option_bootfile_name },
1500 /*  68 */ { "Mobile IP Home Agent",                     ipv4_list, &hf_dhcp_option_mobile_ip_home_agent  },
1501 /*  69 */ { "SMTP Server",                              ipv4_list, &hf_dhcp_option_smtp_server },
1502 /*  70 */ { "POP3 Server",                              ipv4_list, &hf_dhcp_option_pop3_server },
1503 /*  71 */ { "NNTP Server",                              ipv4_list, &hf_dhcp_option_nntp_server },
1504 /*  72 */ { "Default WWW Server",                       ipv4_list, &hf_dhcp_option_default_www_server },
1505 /*  73 */ { "Default Finger Server",                    ipv4_list, &hf_dhcp_option_default_finger_server },
1506 /*  74 */ { "Default IRC Server",                       ipv4_list, &hf_dhcp_option_default_irc_server },
1507 /*  75 */ { "StreetTalk Server",                        ipv4_list, &hf_dhcp_option_streettalk_server },
1508 /*  76 */ { "StreetTalk Directory Assistance Server",   ipv4_list, &hf_dhcp_option_streettalk_da_server },
1509 /*  77 */ { "User Class Information",                   special, NULL },
1510 /*  78 */ { "Directory Agent Information",              special, NULL },
1511 /*  79 */ { "Service Location Agent Scope",             special, NULL },
1512 /*  80 */ { "Rapid commit",                             opaque, NULL },
1513 /*  81 */ { "Client Fully Qualified Domain Name",       special, NULL},
1514 /*  82 */ { "Agent Information Option",                 special, NULL},
1515 /*  83 */ { "iSNS",                                     opaque, NULL },
1516 /*  84 */ { "Removed/Unassigned",                       opaque, NULL },
1517 /*  85 */ { "Novell Directory Services Servers",        special, NULL},
1518 /*  86 */ { "Novell Directory Services Tree Name",      string, &hf_dhcp_option_novell_ds_tree_name },
1519 /*  87 */ { "Novell Directory Services Context",        string, &hf_dhcp_option_novell_ds_context },
1520 /*  88 */ { "BCMCS Controller Domain Name [TODO:RFC4280]",      opaque, NULL },
1521 /*  89 */ { "BCMCS Controller IPv4 address [TODO:RFC4280]",     opaque, NULL },
1522 /*  90 */ { "Authentication",                           special, NULL},
1523 /*  91 */ { "Client last transaction time",             time_in_u_secs, &hf_dhcp_option_client_last_transaction_time },
1524 /*  92 */ { "Associated IP option",                     ipv4_list, &hf_dhcp_option_associated_ip_option },
1525 /*  93 */ { "Client System Architecture",               special, NULL},
1526 /*  94 */ { "Client Network Device Interface",          special, NULL},
1527 /*  95 */ { "LDAP [TODO:RFC3679]",                      opaque, NULL },
1528 /*  96 */ { "Removed/Unassigned",                       opaque, NULL },
1529 /*  97 */ { "UUID/GUID-based Client Identifier",        special, NULL},
1530 /*  98 */ { "Open Group's User Authentication [TODO:RFC2485]",  opaque, NULL },
1531 /*  99 */ { "Civic Addresses Configuration",            special, NULL},
1532 /* 100 */ { "PCode",                                    string, &hf_dhcp_option_tz_pcode },
1533 /* 101 */ { "TCode",                                    string, &hf_dhcp_option_tz_tcode },
1534 /* 102 */ { "Removed/unassigned",                       opaque, NULL },
1535 /* 103 */ { "Removed/unassigned",                       opaque, NULL },
1536 /* 104 */ { "Removed/unassigned",                       opaque, NULL },
1537 /* 105 */ { "Removed/unassigned",                       opaque, NULL },
1538 /* 106 */ { "Removed/unassigned",                       opaque, NULL },
1539 /* 107 */ { "Removed/unassigned",                       opaque, NULL },
1540 /* 108 */ { "IPv6-Only Preferred",                      time_in_u_secs, &hf_dhcp_option_ipv6_only_preferred_wait_time },
1541 /* 109 */ { "Unassigned",                               opaque, NULL },
1542 /* 110 */ { "Removed/Unassigned",                       opaque, NULL },
1543 /* 111 */ { "Unassigned",                               opaque, NULL },
1544 /* 112 */ { "NetInfo Parent Server Address",            ipv4_list, &hf_dhcp_option_netinfo_parent_server_address },
1545 /* 113 */ { "NetInfo Parent Server Tag",                string, &hf_dhcp_option_netinfo_parent_server_tag },
1546 /* 114 */ { "DHCP Captive-Portal",                      special, NULL },
1547 /* 115 */ { "Removed/Unassigned",                       opaque, NULL },
1548 /* 116 */ { "DHCP Auto-Configuration",                  val_u_byte, &hf_dhcp_option_dhcp_auto_configuration },
1549 /* 117 */ { "Name Service Search",                      special, NULL },
1550 /* 118 */ { "Subnet Selection Option",                  ipv4_list, &hf_dhcp_option_subnet_selection_option },
1551 /* 119 */ { "Domain Search",                            special, NULL },
1552 /* 120 */ { "SIP Servers",                              special, NULL },
1553 /* 121 */ { "Classless Static Route",                   special, NULL},
1554 /* 122 */ { "CableLabs Client Configuration [TODO:RFC3495]",    opaque, NULL },
1555 /* 123 */ { "Coordinate-based Location Configuration",  special, NULL},
1556 /* 124 */ { "V-I Vendor Class",                         special, NULL},
1557 /* 125 */ { "V-I Vendor-specific Information",          special, NULL},
1558 /* 126 */ { "Removed/Unassigned",                       opaque, NULL },
1559 /* 127 */ { "Removed/Unassigned",                       opaque, NULL },
1560 /* 128 */ { "DOCSIS full security server IP [TODO]",    opaque, NULL },
1561 /* 129 */ { "PXE - undefined (vendor specific)",        opaque, NULL },
1562 /* 130 */ { "PXE - undefined (vendor specific)",        opaque, NULL },
1563 /* 131 */ { "PXE - undefined (vendor specific)",        opaque, NULL },
1564 /* 132 */ { "PXE - undefined (vendor specific)",        opaque, NULL },
1565 /* 133 */ { "PXE - undefined (vendor specific)",        opaque, NULL },
1566 /* 134 */ { "PXE - undefined (vendor specific)",        opaque, NULL },
1567 /* 135 */ { "PXE - undefined (vendor specific)",        opaque, NULL },
1568 /* 136 */ { "PANA Authentication Agent",                ipv4_list, &hf_dhcp_option_pana_agent },
1569 /* 137 */ { "LoST Server Domain Name",                  string, &hf_dhcp_option_lost_server_domain_name },
1570 /* 138 */ { "CAPWAP Access Controllers",                ipv4_list, &hf_dhcp_option_capwap_access_controller },
1571 /* 139 */ { "IPv4 Address-MoS",                         opaque, NULL },
1572 /* 140 */ { "IPv4 FQDN-MoS",                            opaque, NULL },
1573 /* 141 */ { "SIP UA Configuration Domains",             opaque, NULL },
1574 /* 142 */ { "IPv4 Address ANDSF",                       ipv4_list, &hf_dhcp_option_andsf_server },
1575 /* 143 */ { "Zerotouch Redirect [TODO: draft-ietf-netconf-zerotouch]",  opaque, NULL },
1576 /* 144 */ { "Geospatial Location [TODO:RFC6225]",       opaque, NULL },
1577 /* 145 */ { "Forcerenew Nonce Capable",                 special, NULL },
1578 /* 146 */ { "RDNSS Selection",                          special, NULL },
1579 /* 147 */ { "DOTS Reference Identifier",                string, &hf_dhcp_option_dots_ri },
1580 /* 148 */ { "DOTS Address",                             ipv4_list, &hf_dhcp_option_dots_address },
1581 /* 149 */ { "Unassigned",                               opaque, NULL },
1582 /* 150 */ { "TFTP Server Address",                      ipv4_list, &hf_dhcp_option_tftp_server_address },
1583 /* 151 */ { "Leasequery Status code",                   special, NULL },
1584 /* 152 */ { "Leasequery Base Time",                     special, NULL },
1585 /* 153 */ { "Leasequery Start Time of State",           time_in_u_secs, &hf_dhcp_option_bulk_lease_start_time_of_state },
1586 /* 154 */ { "Leasequery Query Start Time",              special, NULL },
1587 /* 155 */ { "Leasequery Query End Time",                special, NULL },
1588 /* 156 */ { "Leasequery Dhcp State",                    val_u_byte, &hf_dhcp_option_bulk_lease_dhcp_state },
1589 /* 157 */ { "Leasequery Data Source",                   val_boolean, &hf_dhcp_option_bulk_lease_data_source },
1590 /* 158 */ { "PCP Server",                               special, NULL },
1591 /* 159 */ { "Portparams",                               special, NULL },
1592 /* 160 */ { "Unassigned (ex DHCP Captive-Portal)",      special, NULL }, /* Previously assigned by [RFC7710]; known to also be used by Polycom. */
1593 /* 161 */ { "Manufacturer Usage Description",           string, &hf_dhcp_option_mudurl},
1594 /* 162 */ { "Unassigned",                               opaque, NULL },
1595 /* 163 */ { "Unassigned",                               opaque, NULL },
1596 /* 164 */ { "Unassigned",                               opaque, NULL },
1597 /* 165 */ { "Unassigned",                               opaque, NULL },
1598 /* 166 */ { "Unassigned",                               opaque, NULL },
1599 /* 167 */ { "Unassigned",                               opaque, NULL },
1600 /* 168 */ { "Unassigned",                               opaque, NULL },
1601 /* 169 */ { "Unassigned",                               opaque, NULL },
1602 /* 170 */ { "Unassigned",                               opaque, NULL },
1603 /* 171 */ { "Unassigned",                               opaque, NULL },
1604 /* 172 */ { "Unassigned",                               opaque, NULL },
1605 /* 173 */ { "Unassigned",                               opaque, NULL },
1606 /* 174 */ { "Unassigned",                               opaque, NULL },
1607 /* 175 */ { "Etherboot",                                opaque, NULL },
1608 /* 176 */ { "IP Telephone",                             opaque, NULL },
1609 /* 177 */ { "Etherboot",                                opaque, NULL },
1610 /* 178 */ { "Unassigned",                               opaque, NULL },
1611 /* 179 */ { "Unassigned",                               opaque, NULL },
1612 /* 180 */ { "Unassigned",                               opaque, NULL },
1613 /* 181 */ { "Unassigned",                               opaque, NULL },
1614 /* 182 */ { "Unassigned",                               opaque, NULL },
1615 /* 183 */ { "Unassigned",                               opaque, NULL },
1616 /* 184 */ { "Unassigned",                               opaque, NULL },
1617 /* 185 */ { "Unassigned",                               opaque, NULL },
1618 /* 186 */ { "Unassigned",                               opaque, NULL },
1619 /* 187 */ { "Unassigned",                               opaque, NULL },
1620 /* 188 */ { "Unassigned",                               opaque, NULL },
1621 /* 189 */ { "Unassigned",                               opaque, NULL },
1622 /* 190 */ { "Unassigned",                               opaque, NULL },
1623 /* 191 */ { "Unassigned",                               opaque, NULL },
1624 /* 192 */ { "Unassigned",                               opaque, NULL },
1625 /* 193 */ { "Unassigned",                               opaque, NULL },
1626 /* 194 */ { "Unassigned",                               opaque, NULL },
1627 /* 195 */ { "Unassigned",                               opaque, NULL },
1628 /* 196 */ { "Unassigned",                               opaque, NULL },
1629 /* 197 */ { "Unassigned",                               opaque, NULL },
1630 /* 198 */ { "Unassigned",                               opaque, NULL },
1631 /* 199 */ { "Unassigned",                               opaque, NULL },
1632 /* 200 */ { "Unassigned",                               opaque, NULL },
1633 /* 201 */ { "Unassigned",                               opaque, NULL },
1634 /* 202 */ { "Unassigned",                               opaque, NULL },
1635 /* 203 */ { "Unassigned",                               opaque, NULL },
1636 /* 204 */ { "Unassigned",                               opaque, NULL },
1637 /* 205 */ { "Unassigned",                               opaque, NULL },
1638 /* 206 */ { "Unassigned",                               opaque, NULL },
1639 /* 207 */ { "Unassigned",                               opaque, NULL },
1640 /* 208 */ { "PXELINUX Magic",                           opaque, NULL },
1641 /* 209 */ { "PXE Configuration file",                   string, &hf_dhcp_option_pxe_config_file },
1642 /* 210 */ { "PXE Path Prefix",                          string, &hf_dhcp_option_pxe_path_prefix },
1643 /* 211 */ { "Reboot Time",                              time_in_u_secs, &hf_dhcp_option_pxe_reboot_time },
1644 /* 212 */ { "6RD",                                      opaque, NULL },
1645 /* 213 */ { "V4 Access Domain",                         opaque, NULL },
1646 /* 214 */ { "Unassigned",                               opaque, NULL },
1647 /* 215 */ { "Unassigned",                               opaque, NULL },
1648 /* 216 */ { "Unassigned",                               opaque, NULL },
1649 /* 217 */ { "Unassigned",                               opaque, NULL },
1650 /* 218 */ { "Unassigned",                               opaque, NULL },
1651 /* 219 */ { "Unassigned",                               opaque, NULL },
1652 /* 220 */ { "Subnet Allocation",                        opaque, NULL },
1653 /* 221 */ { "Virtual Subnet Selection",                 opaque, NULL },
1654 /* 222 */ { "Unassigned",                               opaque, NULL },
1655 /* 223 */ { "Unassigned",                               opaque, NULL },
1656 /* 224 */ { "Private",                                  opaque, NULL },
1657 /* 225 */ { "Private",                                  opaque, NULL },
1658 /* 226 */ { "Private",                                  opaque, NULL },
1659 /* 227 */ { "Private",                                  opaque, NULL },
1660 /* 228 */ { "Private",                                  opaque, NULL },
1661 /* 229 */ { "Private",                                  opaque, NULL },
1662 /* 230 */ { "Private",                                  opaque, NULL },
1663 /* 231 */ { "Private",                                  opaque, NULL },
1664 /* 232 */ { "Private",                                  opaque, NULL },
1665 /* 233 */ { "Private",                                  opaque, NULL },
1666 /* 234 */ { "Private",                                  opaque, NULL },
1667 /* 235 */ { "Private",                                  opaque, NULL },
1668 /* 236 */ { "Private",                                  opaque, NULL },
1669 /* 237 */ { "Private",                                  opaque, NULL },
1670 /* 238 */ { "Private",                                  opaque, NULL },
1671 /* 239 */ { "Private",                                  opaque, NULL },
1672 /* 240 */ { "Private",                                  opaque, NULL },
1673 /* 241 */ { "Private",                                  opaque, NULL },
1674 /* 242 */ { "Private/Avaya IP Telephone",               special, NULL },
1675 /* 243 */ { "Private",                                  opaque, NULL },
1676 /* 244 */ { "Private",                                  opaque, NULL },
1677 /* 245 */ { "Private",                                  opaque, NULL },
1678 /* 246 */ { "Private",                                  opaque, NULL },
1679 /* 247 */ { "Private",                                  opaque, NULL },
1680 /* 248 */ { "Private",                                  opaque, NULL },
1681 /* 249 */ { "Private/Classless Static Route (Microsoft)",       special, NULL},
1682 /* 250 */ { "Private",                                  opaque, NULL },
1683 /* 251 */ { "Private",                                  opaque, NULL },
1684 /* 252 */ { "Private/Proxy autodiscovery",              string, &hf_dhcp_option_private_proxy_autodiscovery },
1685 /* 253 */ { "Private",                                  opaque, NULL },
1686 /* 254 */ { "Private",                                  opaque, NULL },
1687 /* 255 */ { "End",                                      opaque, NULL }
1688 };
1689
1690 static void
1691 dhcp_time_in_s_secs_fmt(char *s, uint32_t v)
1692 {
1693         /* Only used by option 2 Time Offset, which is deprecated. */
1694         char* secs_str = signed_time_secs_to_str(NULL, (int32_t)v);
1695         snprintf(s, ITEM_LABEL_LENGTH, "%s (%d)", secs_str, (int32_t)v);
1696         wmem_free(NULL, secs_str);
1697 }
1698
1699 static void
1700 dhcp_time_in_u_secs_fmt(char *s, uint32_t v)
1701 {
1702         /* RFC 2131: 3.3 Interpretation and representation of time values */
1703         if (v != 0xffffffff) {
1704                 char* secs_str = unsigned_time_secs_to_str(NULL, v);
1705                 snprintf(s, ITEM_LABEL_LENGTH, "%s (%d)", secs_str, v);
1706                 wmem_free(NULL, secs_str);
1707         } else {
1708                 snprintf(s, ITEM_LABEL_LENGTH, "infinity (%d)", v);
1709         }
1710 }
1711
1712 /*-------------------------------------
1713  * UAT for BOOTP
1714  *-------------------------------------
1715  */
1716 /* UAT entry structure. */
1717 typedef struct {
1718         unsigned  opt;
1719         char *text;
1720         enum field_type ftype;
1721
1722 } uat_dhcp_record_t;
1723
1724 static uat_dhcp_record_t *uat_dhcp_records;
1725 static uat_t *dhcp_uat;
1726 static unsigned num_dhcp_records_uat;
1727 static wmem_list_t *saved_uat_opts; /* List of previous options from UAT to "free" from dissection */
1728
1729 static void* uat_dhcp_record_copy_cb(void* n, const void* o, size_t siz _U_) {
1730         uat_dhcp_record_t* new_record = (uat_dhcp_record_t *)n;
1731         const uat_dhcp_record_t* old_record = (const uat_dhcp_record_t *)o;
1732
1733         new_record->text = g_strdup(old_record->text);
1734
1735         return new_record;
1736 }
1737
1738 static bool uat_dhcp_record_update_cb(void* r, char** err) {
1739         uat_dhcp_record_t* rec = (uat_dhcp_record_t *)r;
1740
1741         if ((rec->opt == 0) || (rec->opt >=DHCP_OPT_NUM-1)) {
1742                 *err = ws_strdup_printf("Option must be between 1 and %d", DHCP_OPT_NUM-2);
1743                 return false;
1744         }
1745         return true;
1746 }
1747
1748 static void uat_dhcp_record_free_cb(void*r) {
1749         uat_dhcp_record_t* rec = (uat_dhcp_record_t *)r;
1750
1751         g_free(rec->text);
1752 }
1753
1754 UAT_DEC_CB_DEF(uat_dhcp_records, opt, uat_dhcp_record_t)
1755 UAT_CSTRING_CB_DEF(uat_dhcp_records, text, uat_dhcp_record_t)
1756 UAT_VS_DEF(uat_dhcp_records, ftype, uat_dhcp_record_t, enum field_type, special, "string")
1757
1758
1759 static const struct opt_info* dhcp_get_opt(unsigned int idx)
1760 {
1761         if(idx>=DHCP_OPT_NUM)
1762                 return NULL;
1763
1764         return &dhcp_opt[idx];
1765 }
1766
1767 static const char *
1768 dhcp_get_opt_text(unsigned int idx)
1769 {
1770         if(idx>=DHCP_OPT_NUM)
1771                 return "unknown";
1772         return dhcp_opt[idx].text;
1773 }
1774
1775 struct basic_types_hfs {
1776         int* bytes;
1777         int* ipv4;
1778         int* ipv4_list;
1779         int* string;
1780         int* val_boolean;
1781         int* val_u_byte;
1782         int* val_u_short;
1783         int* val_u_short_list;
1784         int* val_u_long;
1785         int* time_in_s_secs;
1786         int* time_in_u_secs;
1787 };
1788
1789 /* Handle "basic" datatypes adding to a tree */
1790 static int
1791 dhcp_handle_basic_types(packet_info *pinfo, proto_tree *tree, proto_item *item, tvbuff_t *tvb,
1792                          enum field_type ftype, int offset, int total_len,
1793                          int *hf, const struct basic_types_hfs* hf_default)
1794 {
1795         int     i, left;
1796         int     consumed = 0;
1797
1798         switch (ftype) {
1799         case bytes:
1800                 if (hf != NULL)
1801                         proto_tree_add_item(tree, *hf, tvb, offset, total_len, ENC_BIG_ENDIAN);
1802                 else if (hf_default->bytes != NULL)
1803                         proto_tree_add_item(tree, *hf_default->bytes, tvb, offset, total_len, ENC_BIG_ENDIAN);
1804                 consumed = total_len;
1805                 break;
1806
1807         case ipv4:
1808                 if (total_len != 4) {
1809                         expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 4");
1810                         break;
1811                 }
1812
1813                 if (hf != NULL)
1814                         proto_tree_add_item(tree, *hf, tvb, offset, 4, ENC_BIG_ENDIAN);
1815                 else if (hf_default->ipv4 != NULL)
1816                         proto_tree_add_item(tree, *hf_default->ipv4, tvb, offset, 4, ENC_BIG_ENDIAN);
1817
1818                 /* Show IP address in root of option */
1819                 proto_item_append_text(tree, " (%s)", tvb_ip_to_str(pinfo->pool, tvb, offset));
1820                 consumed = 4;
1821                 break;
1822
1823         case ipv4_list:
1824                 for (i = offset, left = total_len; left > 0; i += 4, left -= 4) {
1825                         if (left < 4) {
1826                                 expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "Option length isn't a multiple of 4");
1827                                 break;
1828                         }
1829
1830                         if (hf != NULL)
1831                                 proto_tree_add_item(tree, *hf, tvb, i, 4, ENC_BIG_ENDIAN);
1832                         else if (hf_default->ipv4_list != NULL)
1833                                 proto_tree_add_item(tree, *hf_default->ipv4_list, tvb, i, 4, ENC_BIG_ENDIAN);
1834                         consumed += 4;
1835                 }
1836
1837                 break;
1838
1839         case string:
1840                 if (hf != NULL)
1841                         proto_tree_add_item(tree, *hf, tvb, offset, total_len, ENC_BIG_ENDIAN);
1842                 else if (hf_default->string != NULL)
1843                         proto_tree_add_item(tree, *hf_default->string, tvb, offset, total_len, ENC_BIG_ENDIAN);
1844                 consumed = total_len;
1845                 break;
1846
1847         case val_boolean:
1848                 if (total_len != 1) {
1849                         expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 1");
1850                         break;
1851                 }
1852
1853                 if (hf != NULL)
1854                         proto_tree_add_item(tree, *hf, tvb, offset, 1, ENC_BIG_ENDIAN);
1855                 else if (hf_default->val_boolean != NULL)
1856                         proto_tree_add_item(tree, *hf_default->val_boolean, tvb, offset, 1, ENC_BIG_ENDIAN);
1857                 consumed = 1;
1858                 break;
1859
1860         case val_u_byte:
1861                 if (total_len != 1) {
1862                         expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 1");
1863                         break;
1864                 }
1865
1866                 if (hf != NULL)
1867                         proto_tree_add_item(tree, *hf, tvb, offset, 1, ENC_BIG_ENDIAN);
1868                 else if (hf_default->val_u_byte != NULL)
1869                         proto_tree_add_item(tree, *hf_default->val_u_byte, tvb, offset, 1, ENC_BIG_ENDIAN);
1870                 consumed = 1;
1871                 break;
1872
1873         case val_u_short:
1874                 if (total_len != 2) {
1875                         expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 2");
1876                         break;
1877                 }
1878
1879                 if (hf != NULL)
1880                         proto_tree_add_item(tree, *hf, tvb, offset, 2, ENC_BIG_ENDIAN);
1881                 else if (hf_default->val_u_short != NULL)
1882                         proto_tree_add_item(tree, *hf_default->val_u_short, tvb, offset, 2, ENC_BIG_ENDIAN);
1883                 consumed = 2;
1884                 break;
1885
1886         case val_u_le_short:
1887                 if (total_len != 2) {
1888                         expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 2");
1889                         break;
1890                 }
1891
1892                 if (hf != NULL)
1893                         proto_tree_add_item(tree, *hf, tvb, offset, 2, ENC_LITTLE_ENDIAN);
1894                 else if (hf_default->val_u_short != NULL)
1895                         proto_tree_add_item(tree, *hf_default->val_u_short, tvb, offset, 2, ENC_LITTLE_ENDIAN);
1896                 consumed = 2;
1897                 break;
1898
1899         case val_u_short_list:
1900                 for (i = offset, left = total_len; left > 0; i += 2, left -= 2) {
1901                         if (left < 2) {
1902                                 expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "Option length isn't a multiple of 2");
1903                                 break;
1904                         }
1905
1906                         if (hf != NULL)
1907                                 proto_tree_add_item(tree, *hf, tvb, i, 2, ENC_BIG_ENDIAN);
1908                         else if (hf_default->val_u_short_list != NULL)
1909                                 proto_tree_add_item(tree, *hf_default->val_u_short_list, tvb, i, 2, ENC_BIG_ENDIAN);
1910                         consumed += 2;
1911                 }
1912                 break;
1913
1914         case val_u_long:
1915                 if (total_len != 4) {
1916                         expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 4");
1917                         break;
1918                 }
1919
1920                 if (hf != NULL)
1921                         proto_tree_add_item(tree, *hf, tvb, offset, 4, ENC_BIG_ENDIAN);
1922                 else if (hf_default->val_u_long != NULL)
1923                         proto_tree_add_item(tree, *hf_default->val_u_long, tvb, offset, 4, ENC_BIG_ENDIAN);
1924                 consumed = 4;
1925                 break;
1926
1927         case time_in_s_secs:
1928                 if (total_len != 4) {
1929                         expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 4");
1930                         break;
1931                 }
1932
1933                 if (hf != NULL) {
1934                         proto_tree_add_item(tree, *hf, tvb, offset, 4, ENC_BIG_ENDIAN);
1935                 }
1936                 else if (hf_default->time_in_s_secs != NULL)
1937                         proto_tree_add_item(tree, *hf_default->time_in_s_secs, tvb, offset, 4, ENC_BIG_ENDIAN);
1938
1939                 consumed = 4;
1940                 break;
1941
1942         case time_in_u_secs:
1943                 if (total_len != 4) {
1944                         expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 4");
1945                         break;
1946                 }
1947
1948                 if (hf != NULL) {
1949                         proto_tree_add_item(tree, *hf, tvb, offset, 4, ENC_BIG_ENDIAN);
1950                 }
1951                 else if (hf_default->time_in_u_secs != NULL)
1952                         proto_tree_add_item(tree, *hf_default->time_in_u_secs, tvb, offset, 4, ENC_BIG_ENDIAN);
1953                 consumed = 4;
1954                 break;
1955         default:
1956                 /* Ignore other field_types */
1957                 break;
1958         }
1959
1960         return consumed;
1961 }
1962
1963 static int
1964 dissect_dhcpopt_basic_type(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
1965 {
1966         const struct opt_info *opt;
1967         dhcp_option_data_t *option_data = (dhcp_option_data_t*)data;
1968         static const struct basic_types_hfs default_hfs = {
1969                 &hf_dhcp_option_value,
1970                 &hf_dhcp_option_value_ip_address,
1971                 &hf_dhcp_option_value_ip_address,
1972                 &hf_dhcp_option_value_stringz,
1973                 &hf_dhcp_option_value_boolean,
1974                 &hf_dhcp_option_value_8,
1975                 &hf_dhcp_option_value_16,
1976                 &hf_dhcp_option_value_16,
1977                 &hf_dhcp_option_value_u32,
1978                 &hf_dhcp_option_value_s_secs,
1979                 &hf_dhcp_option_value_u_secs,
1980         };
1981
1982         opt = dhcp_get_opt(option_data->option);
1983         if (opt == NULL)
1984                 return 0;
1985
1986         return dhcp_handle_basic_types(pinfo, tree, tree, tvb, opt->ftype,
1987                                                       0, tvb_reported_length(tvb), opt->phf, &default_hfs);
1988 }
1989
1990 /* Returns the number of bytes consumed by this option. */
1991 static int
1992 dhcp_option(tvbuff_t *tvb, packet_info *pinfo, proto_tree *bp_tree, int voff,
1993              int eoff, bool first_pass, bool *at_end, const char **dhcp_type_p,
1994              const uint8_t **vendor_class_id_p, uint8_t *overload_p,
1995              wmem_map_t *rfc3396_map)
1996 {
1997         const struct opt_info *opt;
1998         unsigned char            code = tvb_get_uint8(tvb, voff);
1999         int              optlen;
2000         int              i, consumed;
2001         proto_tree      *v_tree;
2002         proto_item      *vti, *ti_value;
2003         tvbuff_t *option_tvb;
2004         dhcp_option_data_t option_data;
2005
2006         /* Note overload_p is NULL inside the overloaded areas; it makes no
2007          * sense to set it again. */
2008         /* Options whose length isn't "optlen + 2". */
2009         switch (code) {
2010
2011         case 0:         /* Padding */
2012                 /* check how much padding we have */
2013                 for (i = voff + 1; i < eoff; i++ ) {
2014                         if (tvb_get_uint8(tvb, i) != 0) {
2015                                 break;
2016                         }
2017                 }
2018                 i = i - voff;
2019                 if (!first_pass) {
2020                         if (bp_tree != NULL) {
2021                                 vti = proto_tree_add_uint_format_value(bp_tree, hf_dhcp_option_type,
2022                                                 tvb, voff, 1, 0, "(0) Padding");
2023                                 v_tree = proto_item_add_subtree(vti, ett_dhcp_option);
2024                                 proto_tree_add_item(v_tree, hf_dhcp_option_padding, tvb, voff, i, ENC_NA);
2025                         }
2026                 }
2027                 consumed = i;
2028                 return consumed;
2029
2030         case 255:       /* End Option */
2031                 if (!first_pass) {
2032                         if (bp_tree != NULL) {
2033                                 vti = proto_tree_add_uint_format_value(bp_tree, hf_dhcp_option_type,
2034                                                 tvb, voff, 1, 0, "(255) End");
2035                                 v_tree = proto_item_add_subtree(vti, ett_dhcp_option);
2036                                 if (overload_p == NULL)
2037                                         proto_tree_add_item(v_tree, hf_dhcp_option_end_overload, tvb, voff, 1, ENC_BIG_ENDIAN);
2038                                 else
2039                                         proto_tree_add_item(v_tree, hf_dhcp_option_end, tvb, voff, 1, ENC_BIG_ENDIAN);
2040                         }
2041                 }
2042                 *at_end = true;
2043                 consumed = 1;
2044                 return consumed;
2045         }
2046
2047         /*
2048          * Get the length of the option, and the number of bytes it
2049          * consumes (the length doesn't include the option code or
2050          * length bytes).
2051          *
2052          * On the first pass, check first whether we have the length
2053          * byte, so that we don't throw an exception; if we throw an
2054          * exception in the first pass, which is only checking for options
2055          * whose values we need in order to properly dissect the packet
2056          * on the second pass, we won't actually dissect the options, so
2057          * you won't be able to see which option had the problem.
2058          */
2059         if (first_pass) {
2060                 if (!tvb_bytes_exist(tvb, voff+1, 1)) {
2061                         /*
2062                          * We don't have the length byte; just return 1
2063                          * as the number of bytes we consumed, to count
2064                          * the code byte.
2065                          */
2066                         return 1;
2067                 }
2068         }
2069         optlen = tvb_get_uint8(tvb, voff+1);
2070         consumed = optlen + 2;
2071
2072         struct rfc3396_for_option_t *rfc3396_data = wmem_map_lookup(rfc3396_map, GUINT_TO_POINTER(code));
2073         if (rfc3396_data == NULL) {
2074                 rfc3396_data = wmem_new0(pinfo->pool, struct rfc3396_for_option_t);
2075                 wmem_map_insert(rfc3396_map, GUINT_TO_POINTER(code), rfc3396_data);
2076         }
2077
2078         /*
2079          * In the first pass, we don't put anything into the protocol
2080          * tree; we just check for some options we have to look at
2081          * in order to properly process the packet:
2082          *
2083          *      52 (Overload) - we need this to properly dissect the
2084          *         file and sname fields
2085          *
2086          *      53 (DHCP message type) - if this is present, this is DHCP
2087          *
2088          *      60 (Vendor class identifier) - we need this in order to
2089          *         interpret the vendor-specific info
2090          *
2091          * We also check, before fetching anything, to make sure we
2092          * have the entire item we're fetching, so that we don't throw
2093          * an exception.
2094          */
2095         if (first_pass) {
2096                 if (tvb_bytes_exist(tvb, voff+2, consumed-2)) {
2097                         switch (code) {
2098
2099                         case 52:
2100                                 if (overload_p != NULL) {
2101                                         *overload_p = tvb_get_uint8(tvb, voff+2);
2102                                 }
2103                                 break;
2104
2105                         case 53:
2106                                 *dhcp_type_p =
2107                                     val_to_str(tvb_get_uint8(tvb, voff+2),
2108                                         opt53_text,
2109                                         "Unknown Message Type (0x%02x)");
2110                                 break;
2111
2112                         case 60:
2113                                 *vendor_class_id_p =
2114                                         tvb_get_string_enc(pinfo->pool,
2115                                         tvb, voff+2, consumed-2, ENC_ASCII);
2116                                 break;
2117                         }
2118                 }
2119
2120                 rfc3396_data->total_number_of_block++;
2121
2122                 /*
2123                  * We don't do anything else here.
2124                  */
2125                 return consumed;
2126         }
2127
2128         /* Normal cases */
2129         opt = dhcp_get_opt(code);
2130         if (opt == NULL)
2131         {
2132                 /* THIS SHOULD NEVER HAPPEN!!! */
2133                 return consumed;
2134         }
2135
2136         vti = proto_tree_add_uint_format_value(bp_tree, hf_dhcp_option_type,
2137                 tvb, voff, consumed, code, "(%d) %s", code, opt->text);
2138         v_tree = proto_item_add_subtree(vti, ett_dhcp_option);
2139         proto_tree_add_item(v_tree, hf_dhcp_option_length, tvb, voff+1, 1, ENC_BIG_ENDIAN);
2140
2141         ti_value = proto_tree_add_item(v_tree, hf_dhcp_option_value, tvb, voff+2, optlen, ENC_NA);
2142         proto_item_set_hidden(ti_value);
2143
2144         /* prepare data for dissector table */
2145         option_tvb = tvb_new_subset_length(tvb, voff+2, optlen);
2146         option_data.option = code;
2147         option_data.overload = overload_p;
2148         option_data.dhcp_type = *dhcp_type_p;
2149         option_data.vendor_class_id = *vendor_class_id_p;
2150
2151         /* RFC 3396 4 Applicability and 7 Decoding Agent Behavior both clearly
2152          * state that decoding agents MUST consider any case where an option
2153          * code is repeated as a split option and reassemble it, even for
2154          * options that are not "concatenation-requiring."
2155          *
2156          * However, cf.
2157          * https://www.ietf.org/archive/id/draft-tojens-dhcp-option-concat-considerations-00.html
2158          * which notes that real world DHCP implementations do not do this, and
2159          * that, especially in the case of fixed length option types, this is
2160          * less robust than actually used approaches of intepreting the options
2161          * separately, and choosing one option while discarding others.
2162          *
2163          * XXX - Perhaps we want a preference of which options to concatenate?
2164          */
2165         if (rfc3396_data->total_number_of_block == 1) {
2166                 if (!dissector_try_uint_with_data(dhcp_option_table, code, option_tvb, pinfo, v_tree, false, &option_data)) {
2167                         /* hf_dhcp_option_value is already in tree, just make it visible */
2168                         proto_item_set_visible(ti_value);
2169                 }
2170         } else {
2171                 proto_item *ti;
2172                 rfc3396_data->index_current_block++;
2173                 ti = proto_tree_add_string(v_tree, hf_dhcp_option_rfc_3396_detected, tvb, voff+2, optlen,
2174                                                                 wmem_strdup_printf(pinfo->pool, "%u/%u", rfc3396_data->index_current_block, rfc3396_data->total_number_of_block));
2175                 if (optlen) {
2176                         if (rfc3396_data->tvb_composite == NULL) {
2177                                 rfc3396_data->tvb_composite = tvb_new_composite();
2178                         }
2179                         tvb_composite_append(rfc3396_data->tvb_composite, option_tvb);
2180                 }
2181                 if (rfc3396_data->index_current_block != rfc3396_data->total_number_of_block) {
2182                         expert_add_info_format(pinfo, ti, &ei_dhcp_rfc3396_refer_last_option, "For the data, please refer to the last option %u, %u/%u", code, rfc3396_data->total_number_of_block, rfc3396_data->total_number_of_block);
2183                 } else if (rfc3396_data->tvb_composite != NULL) {
2184                         tvb_composite_finalize(rfc3396_data->tvb_composite);
2185                         add_new_data_source(pinfo, rfc3396_data->tvb_composite, "RFC 3396 Long Option");
2186                         if (!dissector_try_uint_with_data(dhcp_option_table, code, rfc3396_data->tvb_composite, pinfo, v_tree, false, &option_data)) {
2187                                 proto_tree_add_item(v_tree, hf_dhcp_option_value, rfc3396_data->tvb_composite, 0, tvb_reported_length(rfc3396_data->tvb_composite), ENC_NA);
2188                         }
2189                 } else {
2190                         expert_add_info_format(pinfo, ti, &ei_dhcp_bad_length, "RFC 3396 Long Option with combined length 0");
2191                 }
2192         }
2193
2194         return consumed;
2195 }
2196
2197 static int
2198 dissect_dhcpopt_policy_filter(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2199 {
2200         int offset = 0;
2201
2202         while (tvb_reported_length_remaining(tvb, offset) >= 8) {
2203                 proto_tree_add_item(tree, hf_dhcp_option_policy_filter_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
2204                 offset += 4;
2205                 proto_tree_add_item(tree, hf_dhcp_option_policy_filter_subnet_mask, tvb, offset, 4, ENC_BIG_ENDIAN);
2206                 offset += 4;
2207         }
2208
2209         if (tvb_reported_length_remaining(tvb, offset) > 0) {
2210                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 8");
2211         }
2212
2213         return tvb_captured_length(tvb);
2214 }
2215
2216 static int
2217 dissect_dhcpopt_static_route(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2218 {
2219         int offset = 0;
2220
2221         while (tvb_reported_length_remaining(tvb, offset) >= 8) {
2222                 proto_tree_add_item(tree, hf_dhcp_option_static_route_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
2223                 offset += 4;
2224                 proto_tree_add_item(tree, hf_dhcp_option_static_route_router, tvb, offset, 4, ENC_BIG_ENDIAN);
2225                 offset += 4;
2226         }
2227
2228         if (tvb_reported_length_remaining(tvb, offset) > 0) {
2229                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 8");
2230         }
2231
2232         return tvb_captured_length(tvb);
2233 }
2234
2235 typedef unsigned(*test_option_len_t)(unsigned);
2236
2237 /* Look for 'encapsulated vendor-specific options' */
2238 static bool
2239 test_encapsulated_vendor_options(tvbuff_t *tvb, int optoff, int optend, test_option_len_t test_len)
2240 {
2241         uint8_t subopt;
2242         uint8_t subopt_len;
2243
2244         while (optoff < optend) {
2245                 subopt = tvb_get_uint8(tvb, optoff);
2246                 optoff++;
2247
2248                 /* Skip padding */
2249                 if (subopt == 0)
2250                         continue;
2251                 /* We are done, skip any remaining bytes */
2252                 if (subopt == 255)
2253                         break;
2254
2255                 /* We expect a length byte next */
2256                 if (optoff >= optend)
2257                         return false;
2258                 subopt_len = tvb_get_uint8(tvb, optoff);
2259
2260                 if (test_len) {
2261                         unsigned expected_subopt_len = test_len(subopt);
2262                         if (expected_subopt_len && expected_subopt_len != subopt_len)
2263                                 return false;
2264                 }
2265                 optoff++;
2266
2267                 /* Check remaining room for suboption in option */
2268                 if (optoff + subopt_len > optend)
2269                         return false;
2270                 optoff += subopt_len;
2271         }
2272         return true;
2273 }
2274
2275 /* Note that Option 43 encapsulated vendor-specific options (RFC 2132 8.4)
2276  * treat option 0 as padding and option 255 as end of suboptions, unlike
2277  * Option 125 which does not treat them specially (RFC 3925 4).
2278  */
2279 static int
2280 dissect_option43_generic_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree,
2281                                  tvbuff_t *tvb)
2282 {
2283         unsigned    suboptoff = 0;
2284         unsigned    optend = tvb_reported_length(tvb);
2285         uint8_t     subopt;
2286         uint32_t            subopt_len;
2287         proto_item *item;
2288         proto_tree *sub_tree;
2289
2290         item = proto_tree_add_item(v_tree, hf_dhcp_option43_suboption, tvb, suboptoff, 1, ENC_NA);
2291         subopt = tvb_get_uint8(tvb, suboptoff);
2292
2293         suboptoff+=1;
2294
2295         if (subopt == 0) {
2296                 /* Padding */
2297                 return suboptoff;
2298         }
2299
2300         if (subopt == 255) {
2301                 /* END */
2302                 /* XXX - Should there be expert info if there are more bytes? */
2303                 return optend;
2304         }
2305
2306         if (suboptoff >= optend) {
2307                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
2308                                                                         "Suboption %d: no room left in option for suboption length", subopt);
2309                 return optend;
2310         }
2311
2312         sub_tree = proto_item_add_subtree(item, ett_dhcp_option43_suboption);
2313         proto_tree_add_item_ret_uint(sub_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_NA, &subopt_len);
2314         suboptoff++;
2315
2316         if (suboptoff+subopt_len > optend) {
2317                 expert_add_info_format(pinfo, item, &ei_dhcp_missing_subopt_value,
2318                                                 "Suboption %d: no room left in option for suboption value", subopt);
2319                 return optend;
2320         }
2321
2322         proto_tree_add_item(sub_tree, hf_dhcp_option43_value, tvb, suboptoff, subopt_len, ENC_NA);
2323         suboptoff+= subopt_len;
2324
2325         return suboptoff;
2326
2327 }
2328
2329 static int
2330 dissect_dhcpopt_vendor_specific_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
2331 {
2332         heur_dtbl_entry_t *hdtbl_entry;
2333
2334         if (!dissector_try_heuristic(dhcp_vendor_info_subdissector, tvb, pinfo, tree, &hdtbl_entry, data)) {
2335                 int offset = 0;
2336                 if (test_encapsulated_vendor_options(tvb, offset, tvb_reported_length(tvb), NULL)) {
2337                         /* Generic encapsulated options per RFC 2132 8.4 */
2338                         while (tvb_reported_length_remaining(tvb, offset)) {
2339                                 offset += dissect_option43_generic_suboption(pinfo, proto_tree_get_parent(tree), tree, tvb_new_subset_remaining(tvb, offset));
2340                         }
2341                 } else {
2342                         /* Default Vendor-Specific Info.. display in bytes */
2343                         proto_tree_add_item(tree, hf_dhcp_option43_value, tvb, offset, tvb_reported_length(tvb), ENC_NA);
2344                 }
2345         }
2346
2347         return tvb_captured_length(tvb);
2348 }
2349
2350 static int
2351 dissect_dhcpopt_option_overload(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
2352 {
2353         int offset = 0;
2354         dhcp_option_data_t *option_data = (dhcp_option_data_t*)data;
2355
2356         if (tvb_reported_length(tvb) < 1) {
2357                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 1");
2358                 return 1;
2359         }
2360
2361         proto_tree_add_item(tree, hf_dhcp_option_option_overload, tvb, offset, 1, ENC_BIG_ENDIAN);
2362         if (option_data->overload == NULL) {
2363                 // Option Overload inside the overloaded fields is nonsensical
2364                 expert_add_info(pinfo, tree, &ei_dhcp_opt_overload_wrong_field);
2365         }
2366
2367         return tvb_captured_length(tvb);
2368 }
2369
2370 static int
2371 dissect_dhcpopt_dhcp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
2372 {
2373         uint32_t type;
2374
2375         proto_tree_add_item_ret_uint(tree, hf_dhcp_option_dhcp, tvb, 0, 1, ENC_NA, &type);
2376         /* Show the message type name on the Message Type option, and in the protocol root */
2377         proto_item_append_text(tree, " (%s)", val_to_str(type, opt53_text, "Unknown Message Type (0x%02x)"));
2378         proto_item_append_text(proto_item_get_parent(tree), " (%s)", val_to_str(type, opt53_text, "Unknown Message Type (0x%02x)"));
2379
2380         return tvb_captured_length(tvb);
2381 }
2382
2383 static int
2384 dissect_dhcpopt_param_request_list(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
2385 {
2386         int offset = 0;
2387         uint8_t byte;
2388
2389         while (tvb_reported_length_remaining(tvb, offset) > 0) {
2390                 byte = tvb_get_uint8(tvb, offset);
2391                 proto_tree_add_uint_format_value(tree, hf_dhcp_option_parameter_request_list_item,
2392                                 tvb, offset, 1, byte, "(%d) %s", byte, dhcp_get_opt_text(byte));
2393                 offset++;
2394         }
2395
2396         return tvb_captured_length(tvb);
2397 }
2398
2399 static int
2400 dissect_dhcpopt_vendor_class_identifier(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
2401 {
2402         heur_dtbl_entry_t *hdtbl_entry;
2403
2404         /*
2405          * XXX - RFC 2132 says this is a string of octets;
2406          * should we check for non-printables?
2407          */
2408         proto_tree_add_item(tree, hf_dhcp_option_vendor_class_id, tvb, 0, tvb_reported_length(tvb), ENC_ASCII);
2409         dissector_try_heuristic(dhcp_vendor_id_subdissector, tvb, pinfo, tree, &hdtbl_entry, data);
2410
2411         return tvb_captured_length(tvb);
2412 }
2413
2414 static int
2415 dissect_dhcpopt_client_identifier(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2416 {
2417         int offset = 0;
2418         int length = tvb_reported_length(tvb);
2419         unsigned char byte;
2420
2421         if (length > 0)
2422                 byte = tvb_get_uint8(tvb, offset);
2423         else
2424                 byte = 0;
2425
2426         /* We *MAY* use hwtype/hwaddr. If we have 7 bytes, I'll
2427                 guess that the first is the hwtype, and the last 6
2428                 are the hw addr */
2429         /* See https://www.iana.org/assignments/arp-parameters */
2430         /* RFC2132 9.14 Client-identifier has the following to say:
2431                 A hardware type of 0 (zero) should be used when the value
2432                 field contains an identifier other than a hardware address
2433                 (e.g. a fully qualified domain name). */
2434
2435         if (length == 7 && byte > 0 && byte < 48) {
2436                 proto_tree_add_item(tree, hf_dhcp_hw_type, tvb, offset, 1, ENC_NA);
2437
2438                 if (byte == ARPHRD_ETHER || byte == ARPHRD_IEEE802)
2439                         proto_tree_add_item(tree, hf_dhcp_hw_ether_addr, tvb, offset+1, 6, ENC_NA);
2440                 else
2441                         proto_tree_add_string(tree, hf_dhcp_client_hardware_address, tvb, offset+1, 6,
2442                                 tvb_arphrdaddr_to_str(pinfo->pool, tvb, offset+1, 6, byte));
2443         } else if (length == 17 && byte == 0) {
2444                 /* Identifier is a UUID */
2445                 proto_tree_add_item(tree, hf_dhcp_client_identifier_uuid, tvb, offset + 1, 16, dhcp_uuid_endian);
2446
2447         /* From RFC 4361 paragraph 6.1 DHCPv4 Client Behavior:
2448                 To send an RFC 3315-style binding identifier in a DHCPv4 'client
2449                 identifier' option, the type of the 'client identifier' option is set
2450                 to 255. */
2451         } else if (byte == 255) {
2452                 uint16_t        duidtype;
2453                 uint16_t        hwtype;
2454
2455                 /*      The type field is immediately followed by the IAID, which is
2456                         an opaque 32-bit quantity       */
2457                 proto_tree_add_string(tree, hf_dhcp_client_id_iaid, tvb, offset+1, 4,
2458                         tvb_arphrdaddr_to_str(pinfo->pool, tvb, offset+1, 4, byte));
2459                 offset += 5;
2460                 duidtype = tvb_get_ntohs(tvb, offset);
2461                 proto_tree_add_item(tree, hf_dhcp_client_id_duid_type, tvb, offset, 2, ENC_BIG_ENDIAN);
2462                 switch (duidtype) {
2463                 case DUID_LLT:
2464                         if (length < 8) {
2465                                 expert_add_info(pinfo, tree, &ei_dhcp_mal_duid);
2466                                 break;
2467                         }
2468                         hwtype=tvb_get_ntohs(tvb, offset + 2);
2469                         proto_tree_add_item(tree, hf_dhcp_client_identifier_duid_llt_hw_type,
2470                                         tvb, offset + 2, 2, ENC_BIG_ENDIAN);
2471
2472                         /* XXX seconds since Jan 1 2000 */
2473                         proto_tree_add_item(tree, hf_dhcp_client_identifier_time, tvb, offset + 4, 4, ENC_BIG_ENDIAN);
2474                         if (length > 8) {
2475                                 proto_tree_add_string(tree, hf_dhcp_client_identifier_link_layer_address, tvb, offset + 8,
2476                                         length - 13, tvb_arphrdaddr_to_str(pinfo->pool, tvb, offset+8, length-13, hwtype));
2477                                 if(DHCP_HW_IS_ETHER(hwtype, length-13)) {
2478                                         proto_tree_add_item(tree, hf_dhcp_client_identifier_link_layer_address_ether,
2479                                                 tvb, offset+8, length-13, ENC_NA);
2480                                 }
2481                         }
2482                         break;
2483                 case DUID_EN:
2484                         if (length < 6) {
2485                                 expert_add_info(pinfo, tree, &ei_dhcp_mal_duid);
2486                                 break;
2487                         }
2488                         proto_tree_add_item(tree, hf_dhcp_client_identifier_enterprise_num, tvb, offset + 2, 4, ENC_BIG_ENDIAN);
2489                         if (length > 6) {
2490                                 proto_tree_add_item(tree, hf_dhcp_client_identifier, tvb, offset + 6, length - 11, ENC_NA);
2491                         }
2492                         break;
2493                 case DUID_LL:
2494                         if (length < 4) {
2495                                 expert_add_info(pinfo, tree, &ei_dhcp_mal_duid);
2496                                 break;
2497                         }
2498                         hwtype=tvb_get_ntohs(tvb, offset + 2);
2499                         proto_tree_add_item(tree, hf_dhcp_client_identifier_duid_ll_hw_type,
2500                                         tvb, offset + 2, 2, ENC_BIG_ENDIAN);
2501
2502                         if (length > 4) {
2503                                 proto_tree_add_string(tree, hf_dhcp_client_identifier_link_layer_address, tvb, offset + 4,
2504                                         length - 9, tvb_arphrdaddr_to_str(pinfo->pool, tvb, offset+4, length-9, hwtype));
2505                                 if(DHCP_HW_IS_ETHER(hwtype, length-9)) {
2506                                         proto_tree_add_item(tree, hf_dhcp_client_identifier_link_layer_address_ether,
2507                                                 tvb, offset+4, length-9, ENC_NA);
2508                                 }
2509                         }
2510                         break;
2511                 }
2512         } else if (byte == 0 && length > 1) {
2513                 /* identifier other than a hardware address (e.g. a fully qualified domain name) */
2514                 proto_tree_add_item(tree, hf_dhcp_client_identifier_type, tvb, offset, 1, ENC_NA);
2515                 proto_tree_add_item(tree, hf_dhcp_client_identifier_undef, tvb, offset+1, length-1, ENC_ASCII);
2516         } else {
2517                 /* otherwise, it's opaque data */
2518         }
2519
2520         return tvb_captured_length(tvb);
2521 }
2522
2523 static int
2524 dissect_dhcpopt_user_class_information(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2525 {
2526         unsigned char user_class_instance_index = 0;
2527         int offset = 0;
2528         proto_item *vtix, *len_item;
2529         proto_tree *o77_v_tree;
2530         unsigned class_length, uci_len = tvb_reported_length(tvb);
2531         if (uci_len < 2) {
2532                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 2");
2533                 return 1;
2534         }
2535
2536         /* First byte is the length of User Class data. If it is zero, then let's assume this
2537          * is a Microsoft variant that has the two-byte length field with most-significant byte
2538          * as zero.
2539          */
2540         uint16_t ms_data_length = tvb_get_uint16(tvb, offset, ENC_BIG_ENDIAN);
2541         if (ms_data_length <= 0xff) {
2542                 /* MSB is zero, this is Microsoft */
2543                 proto_tree_add_uint(tree, hf_dhcp_option77_user_class_binary_data_length, tvb, offset, 2, ms_data_length);
2544                 offset += 2;
2545                 proto_tree_add_item(tree, hf_dhcp_option77_user_class_binary_data, tvb, offset, ms_data_length, ENC_STRING);
2546                 offset += ms_data_length;
2547                 /* User Class Binary Data is padded to 4-byte boundary */
2548                 uint16_t padding_length = (4 - (ms_data_length % 4)) & 0x3;
2549                 if (padding_length > 0) {
2550                         proto_tree_add_item(tree, hf_dhcp_option77_user_class_padding, tvb, offset, padding_length, ENC_NA);
2551                         offset += padding_length;
2552                 }
2553                 uint32_t len;
2554                 proto_tree_add_item_ret_uint(tree, hf_dhcp_option77_user_class_name_length, tvb, offset, 2, ENC_BIG_ENDIAN, &len);
2555                 offset += 2;
2556                 proto_tree_add_item(tree, hf_dhcp_option77_user_class_name, tvb, offset, len, ENC_UTF_16);
2557                 offset += len;
2558                 proto_tree_add_item_ret_uint(tree, hf_dhcp_option77_user_class_description_length, tvb, offset, 2, ENC_BIG_ENDIAN, &len);
2559                 offset += 2;
2560                 proto_tree_add_item(tree, hf_dhcp_option77_user_class_description, tvb, offset, len, ENC_UTF_16);
2561
2562                 return tvb_captured_length(tvb);
2563         }
2564
2565         while (tvb_reported_length_remaining(tvb, offset) > 0) {
2566                 class_length = tvb_get_uint8(tvb, offset);
2567                 if (class_length >= uci_len) {
2568                         /* Having the sum of the User Class data lengths exceed the total User Option Information length (uci_len)
2569                          * is a violation of RFC 3004. In that case the remaining data is treated as a non-conformant (text) option.
2570                          * This check will also catch the Microsoft 'variation' implementation (when Vendor class identifier contains
2571                          * "MSFT 5.0") such as "RRAS.Microsoft" and others like "iPXE".
2572                          * In the unlikely case that the first character can be interpreted as a valid length the next iteration
2573                          * of this while loop will catch that.
2574                          * https://gitlab.com/wireshark/wireshark/-/issues/16349
2575                          * https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-dhcpe/fe8a2dd4-1e8c-4546-bacd-4ae10de02058
2576                          */
2577                         proto_item *expert_ti = proto_tree_add_item(tree, hf_dhcp_option77_user_class_text, tvb, offset, uci_len, ENC_ASCII);
2578                         expert_add_info(pinfo, expert_ti, &ei_dhcp_nonstd_option_data);
2579                         break;
2580                 }
2581
2582                 /* Create subtree for instance of User Class. */
2583                 vtix = proto_tree_add_uint_format_value(tree, hf_dhcp_option77_user_class,
2584                                 tvb, offset, 1, user_class_instance_index, "[%d]", user_class_instance_index);
2585                 o77_v_tree = proto_item_add_subtree(vtix, ett_dhcp_option77_instance);
2586
2587                 /* Add length for instance of User Class. */
2588                 len_item = proto_tree_add_uint(o77_v_tree, hf_dhcp_option77_user_class_length, tvb, offset, 1, class_length);
2589                 proto_item_set_len(vtix, class_length+1);
2590                 offset++;
2591
2592                 if (class_length == 0) {
2593                         expert_add_info_format(pinfo, len_item, &ei_dhcp_bad_length, "UC_Len_%u isn't >= 1 (UC_Len_%u = 0)", user_class_instance_index, user_class_instance_index);
2594                         break;
2595                 }
2596
2597                 /* Add data for instance of User Class. */
2598                 proto_tree_add_item(o77_v_tree, hf_dhcp_option77_user_class_data, tvb, offset, class_length, ENC_NA);
2599
2600                 offset += class_length;
2601                 uci_len -= class_length + 1;
2602                 user_class_instance_index++;
2603         }
2604
2605         return tvb_captured_length(tvb);
2606 }
2607
2608 static int
2609 dissect_dhcpopt_slp_directory_agent(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2610 {
2611         int offset = 0;
2612         uint32_t byte;
2613
2614         if (tvb_reported_length(tvb) < 1) {
2615                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 1");
2616                 return 1;
2617         }
2618
2619         proto_tree_add_item_ret_uint(tree, hf_dhcp_option_slp_directory_agent_value, tvb, offset, 1, ENC_BIG_ENDIAN, &byte);
2620         offset++;
2621
2622         if (byte == 0x80) {
2623                 if (tvb_reported_length_remaining(tvb, offset) == 0)
2624                         return offset;
2625
2626                 offset++;
2627         }
2628
2629         while (tvb_reported_length_remaining(tvb, offset) >= 4) {
2630                 proto_tree_add_item(tree, hf_dhcp_option_slp_directory_agent_slpda_address, tvb, offset, 4, ENC_BIG_ENDIAN);
2631                 offset += 4;
2632         }
2633
2634         if (tvb_reported_length_remaining(tvb, offset) > 0) {
2635                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 4");
2636         }
2637
2638         return tvb_captured_length(tvb);
2639 }
2640
2641 static int
2642 dissect_dhcpopt_slp_service_scope(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
2643 {
2644         int offset = 0;
2645
2646         proto_tree_add_item(tree, hf_dhcp_option_slp_service_scope_value, tvb, offset, 1, ENC_BIG_ENDIAN);
2647
2648         offset++;
2649         proto_tree_add_item(tree, hf_dhcp_option_slp_service_scope_string, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII);
2650
2651         return tvb_captured_length(tvb);
2652 }
2653
2654 static int
2655 dissect_dhcpopt_client_full_domain_name(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2656 {
2657         static int * const fqdn_hf_flags[] = {
2658                 &hf_dhcp_fqdn_mbz,
2659                 &hf_dhcp_fqdn_n,
2660                 &hf_dhcp_fqdn_e,
2661                 &hf_dhcp_fqdn_o,
2662                 &hf_dhcp_fqdn_s,
2663                 NULL
2664         };
2665         uint8_t fqdn_flags;
2666         int offset = 0, length = tvb_reported_length(tvb);
2667         const unsigned char     *dns_name;
2668         int             dns_name_len;
2669
2670         if (length < 3) {
2671                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 3");
2672                 return 1;
2673         }
2674
2675         fqdn_flags = tvb_get_uint8(tvb, offset);
2676         proto_tree_add_bitmask(tree, tvb, offset, hf_dhcp_fqdn_flags,
2677                                 ett_dhcp_fqdn_flags, fqdn_hf_flags, ENC_BIG_ENDIAN);
2678
2679         /* XXX: use code from packet-dns for return code decoding */
2680         proto_tree_add_item(tree, hf_dhcp_fqdn_rcode1, tvb, offset+1, 1, ENC_BIG_ENDIAN);
2681         /* XXX: use code from packet-dns for return code decoding */
2682         proto_tree_add_item(tree, hf_dhcp_fqdn_rcode2, tvb, offset+2, 1, ENC_BIG_ENDIAN);
2683
2684         if (length > 3) {
2685                 if (fqdn_flags & F_FQDN_E) {
2686                         get_dns_name(tvb, offset+3, length-3, offset+3, (const char **)&dns_name, &dns_name_len);
2687                         proto_tree_add_string(tree, hf_dhcp_fqdn_name,
2688                                 tvb, offset+3, length-3, format_text(pinfo->pool, dns_name, dns_name_len));
2689                 } else {
2690                         proto_tree_add_item(tree, hf_dhcp_fqdn_asciiname, tvb, offset+3, length-3, ENC_ASCII);
2691                 }
2692         }
2693
2694         return tvb_captured_length(tvb);
2695 }
2696
2697 static int
2698 dissect_dhcpopt_novell_servers(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2699 {
2700         int offset = 0;
2701
2702         /* Option 85 can be sent as a string */
2703         /* Added by Greg Morris (gmorris[AT]novell.com) */
2704         if (novell_string) {
2705                 proto_tree_add_item(tree, hf_dhcp_option_novell_dss_string, tvb, offset, tvb_reported_length(tvb), ENC_ASCII);
2706         } else {
2707                 /* IP addresses */
2708                 while (tvb_reported_length_remaining(tvb, offset) >= 4) {
2709
2710                         proto_tree_add_item(tree, hf_dhcp_option_novell_dss_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
2711                         offset += 4;
2712                 }
2713
2714                 if (tvb_reported_length_remaining(tvb, offset) > 0) {
2715                         expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 4");
2716                 }
2717         }
2718
2719         return tvb_captured_length(tvb);
2720 }
2721
2722 static int
2723 dissect_dhcpopt_dhcp_authentication(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
2724 {
2725         int offset = 0;
2726         dhcp_option_data_t *option_data = (dhcp_option_data_t*)data;
2727         uint32_t protocol, rdm;
2728         uint8_t algorithm;
2729
2730         if (tvb_reported_length(tvb) < 11) {
2731                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 11");
2732                 return 1;
2733         }
2734
2735         proto_tree_add_item_ret_uint(tree, hf_dhcp_option_dhcp_authentication_protocol, tvb, offset, 1, ENC_BIG_ENDIAN, &protocol);
2736         offset++;
2737
2738         algorithm = tvb_get_uint8(tvb, offset);
2739         switch (protocol) {
2740
2741         case AUTHEN_PROTO_DELAYED_AUTHEN:
2742                 proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_alg_delay, tvb, offset, 1, ENC_BIG_ENDIAN);
2743                 break;
2744
2745         default:
2746                 proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_algorithm, tvb, offset, 1, ENC_BIG_ENDIAN);
2747                 break;
2748         }
2749         offset++;
2750
2751         proto_tree_add_item_ret_uint(tree, hf_dhcp_option_dhcp_authentication_rdm, tvb, offset, 1, ENC_BIG_ENDIAN, &rdm);
2752         offset++;
2753
2754         switch (rdm) {
2755
2756         case AUTHEN_RDM_MONOTONIC_COUNTER:
2757                 proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_rdm_replay_detection, tvb, offset, 8, ENC_BIG_ENDIAN);
2758                 break;
2759
2760         default:
2761                 proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_rdm_rdv, tvb, offset, 8, ENC_ASCII);
2762                 break;
2763         }
2764         offset += 8;
2765
2766         switch (protocol) {
2767
2768         case AUTHEN_PROTO_DELAYED_AUTHEN:
2769                 switch (algorithm) {
2770
2771                 case AUTHEN_DELAYED_ALGO_HMAC_MD5:
2772                         if (option_data->dhcp_type && !strcmp(option_data->dhcp_type, OPT53_DISCOVER)) {
2773                                 /* Discover has no Secret ID nor HMAC MD5 Hash */
2774                                 break;
2775                         } else {
2776                                 if (tvb_reported_length_remaining(tvb, offset) < 20) {
2777                                         expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 20");
2778                                         break;
2779                                 }
2780
2781                                 proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_secret_id, tvb, offset, 4, ENC_BIG_ENDIAN);
2782                                 offset += 4;
2783                                 proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_hmac_md5_hash, tvb, offset, 16, ENC_NA);
2784                                 break;
2785                         }
2786
2787                 default:
2788                         if (tvb_reported_length_remaining(tvb, offset) == 0)
2789                                 break;
2790
2791                         proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_information, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII);
2792                         break;
2793                 }
2794                 break;
2795
2796         default:
2797                 if (tvb_reported_length_remaining(tvb, offset) == 0)
2798                         break;
2799
2800                 proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_information, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII);
2801                 break;
2802         }
2803
2804         return tvb_captured_length(tvb);
2805 }
2806
2807 static int
2808 dissect_dhcpopt_client_architecture(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2809 {
2810         int offset = 0;
2811
2812         while (tvb_reported_length_remaining(tvb, offset) > 1) {
2813                 uint32_t architecture_id;
2814                 proto_item *pi;
2815
2816                 pi = proto_tree_add_item_ret_uint(tree, hf_dhcp_option_client_system_architecture, tvb, offset, 2, ENC_BIG_ENDIAN, &architecture_id);
2817                 offset += 2;
2818
2819                 /*
2820                  * Some Client Architecture IDs are widely misused.  For
2821                  * details, refer to the comment at the definition of
2822                  * dhcp_client_arch.
2823                  *
2824                  * The most common problem is a client using architecture ID 9
2825                  * when performing an EFI x64 boot.  Windows Server 2008 WDS
2826                  * does not recognize ID 9, but most other DHCP servers
2827                  * (including newer versions of WDS) silently map architecture
2828                  * ID 9 to x64 in order to accommodate these clients.
2829                  */
2830                 if (architecture_id == 9) {
2831                         expert_add_info_format(pinfo, pi, &ei_dhcp_option93_client_arch_ambiguous, "Client Architecture ID 9 is often incorrectly used for EFI x64");
2832                 }
2833
2834                 /*
2835                  * Technically, architecture ID 7 is ambiguous for the same
2836                  * reason, but it's extremely unlikely to be a real world
2837                  * problem, so a warning would probably just be unwelcome
2838                  * noise.
2839                  */
2840         }
2841         if (tvb_reported_length_remaining(tvb, offset) > 0) {
2842                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 2");
2843         }
2844
2845         return tvb_captured_length(tvb);
2846 }
2847
2848 static int
2849 dissect_dhcpopt_client_network_interface_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
2850 {
2851         int offset = 0;
2852         uint8_t id_type;
2853
2854         id_type = tvb_get_uint8(tvb, offset);
2855         offset++;
2856
2857         if (id_type == 0x01) {
2858                 proto_tree_add_item(tree, hf_dhcp_option_client_network_id_major_ver,
2859                                                         tvb, offset, 1, ENC_LITTLE_ENDIAN);
2860                 offset++;
2861                 proto_tree_add_item(tree, hf_dhcp_option_client_network_id_minor_ver,
2862                                                         tvb, offset, 1, ENC_LITTLE_ENDIAN);
2863         }
2864
2865         return tvb_captured_length(tvb);
2866 }
2867
2868 static int
2869 dissect_dhcpopt_client_identifier_uuid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2870 {
2871         int offset = 0, length = tvb_reported_length(tvb);
2872         uint8_t byte;
2873
2874         if (length > 0)
2875                 byte = tvb_get_uint8(tvb, offset);
2876         else
2877                 byte = 0;
2878
2879         /* We *MAY* use hwtype/hwaddr. If we have 7 bytes, I'll
2880                 guess that the first is the hwtype, and the last 6
2881                 are the hw addr */
2882         /* See https://www.iana.org/assignments/arp-parameters */
2883         /* RFC2132 9.14 Client-identifier has the following to say:
2884                 A hardware type of 0 (zero) should be used when the value
2885                 field contains an identifier other than a hardware address
2886                 (e.g. a fully qualified domain name). */
2887
2888         if (length == 7 && byte > 0 && byte < 48) {
2889                 proto_tree_add_item(tree, hf_dhcp_hw_type, tvb, offset, 1, ENC_NA);
2890                 if (byte == ARPHRD_ETHER || byte == ARPHRD_IEEE802)
2891                         proto_tree_add_item(tree, hf_dhcp_hw_ether_addr, tvb, offset+1, 6, ENC_NA);
2892                 else
2893                         proto_tree_add_string(tree, hf_dhcp_client_hardware_address, tvb, offset+1, 6,
2894                                 tvb_arphrdaddr_to_str(pinfo->pool, tvb, offset+1, 6, byte));
2895         } else if (length == 17 && byte == 0) {
2896                 /* Identifier is a UUID */
2897                 proto_tree_add_item(tree, hf_dhcp_client_identifier_uuid, tvb, offset + 1, 16, dhcp_uuid_endian);
2898         } else {
2899                 /* otherwise, it's opaque data */
2900         }
2901
2902         return tvb_captured_length(tvb);
2903 }
2904
2905 static int
2906 dissect_dhcpopt_civic_location(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2907 {
2908         int offset = 0;
2909
2910         if (tvb_reported_length(tvb) >= 3)
2911         {
2912                 proto_tree_add_item(tree, hf_dhcp_option_civic_location_what, tvb, offset, 1, ENC_BIG_ENDIAN);
2913                 offset++;
2914                 proto_tree_add_item(tree, hf_dhcp_option_civic_location_country, tvb, offset, 2, ENC_ASCII);
2915                 offset += 2;
2916
2917                 while (tvb_reported_length_remaining(tvb, offset) >= 2)
2918                 {
2919                         uint32_t calength;
2920                         proto_tree_add_item(tree, hf_dhcp_option_civic_location_ca_type, tvb, offset, 1, ENC_BIG_ENDIAN);
2921                         offset++;
2922                         proto_tree_add_item_ret_uint(tree, hf_dhcp_option_civic_location_ca_length, tvb, offset, 1, ENC_BIG_ENDIAN, &calength);
2923                         offset++;
2924
2925                         if (calength == 0)
2926                                 continue;
2927
2928                         if (tvb_reported_length_remaining(tvb, offset) >= (int)calength)
2929                         {
2930                                 proto_tree_add_item(tree, hf_dhcp_option_civic_location_ca_value, tvb, offset, calength, ENC_ASCII);
2931                                 offset += calength;
2932                         }
2933                         else
2934                         {
2935                                 expert_add_info(pinfo, tree, &ei_dhcp_option_civic_location_bad_cattype);
2936                                 break;
2937                         }
2938                 }
2939         }
2940
2941         return tvb_captured_length(tvb);
2942 }
2943
2944 static int
2945 dissect_dhcpopt_name_server_search(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2946 {
2947         int offset = 0, length = tvb_reported_length(tvb);
2948         uint16_t ns;
2949
2950         if (length < 2) {
2951                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 2");
2952                 return 1;
2953         } else if (length & 1) {
2954                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length (%u) isn't even number", length);
2955                 return 1;
2956         }
2957
2958         while (tvb_reported_length_remaining(tvb, offset) > 0) {
2959                 ns = tvb_get_ntohs(tvb, offset);
2960                 /* XXX - Make this a value_string */
2961                 switch (ns) {
2962                 case RFC2937_LOCAL_NAMING_INFORMATION:
2963                         proto_tree_add_string(tree, hf_dhcp_option_dhcp_name_service_search_option, tvb, offset, 2, "Local naming information (e.g., an /etc/hosts file on a UNIX machine) (0)");
2964                         break;
2965                 case RFC2937_DOMAIN_NAME_SERVER_OPTION:
2966                         proto_tree_add_string(tree, hf_dhcp_option_dhcp_name_service_search_option, tvb, offset, 2, "Domain Name Server Option (6)");
2967                         break;
2968                 case RFC2937_NETWORK_INFORMATION_SERVERS_OPTION:
2969                         proto_tree_add_string(tree, hf_dhcp_option_dhcp_name_service_search_option, tvb, offset, 2, "Network Information Servers Option (41)");
2970                         break;
2971                 case RFC2937_NETBIOS_OVER_TCP_IP_NAME_SERVER_OPTION:
2972                         proto_tree_add_string(tree, hf_dhcp_option_dhcp_name_service_search_option, tvb, offset, 2, "NetBIOS over TCP/IP Name Server Option (44)");
2973                         break;
2974                 case RFC2937_NETWORK_INFORMATION_SERVICE_PLUS_SERVERS_OPTION:
2975                         proto_tree_add_string(tree, hf_dhcp_option_dhcp_name_service_search_option, tvb, offset, 2, "Network Information Service+ Servers Option (65)");
2976                         break;
2977                 default:
2978                         expert_add_info_format(pinfo, tree, &ei_dhcp_option_dhcp_name_service_invalid,
2979                                                 "Invalid Name Service (%u). RFC 2937 defines only 0, 6, 41, 44, and 65 as possible values.", ns);
2980                         break;
2981                 }
2982                 offset += 2;
2983         }
2984
2985         return tvb_captured_length(tvb);
2986 }
2987
2988 static int
2989 dissect_dhcpopt_dhcp_domain_search(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
2990 {
2991         int length = tvb_reported_length(tvb);
2992         int offset = 0;
2993         char            *name_out;
2994         const unsigned char     *dns_name;
2995         int             dns_name_len;
2996
2997         /* Domain Names - Implementation And Specification (RFC 1035) */
2998
2999         /* We will display the information about fqdn */
3000         int consumedx = 0;
3001
3002         while (tvb_reported_length_remaining(tvb, offset) > 0) {
3003                 /* use the get_dns_name method that manages all techniques of RFC 1035 (compression pointer and so on) */
3004                 consumedx = get_dns_name(tvb, offset,
3005                         length, 0, (const char **)&dns_name, &dns_name_len);
3006                 name_out = format_text(pinfo->pool, dns_name, dns_name_len);
3007                 proto_tree_add_string(tree, hf_dhcp_option_dhcp_dns_domain_search_list_fqdn, tvb, offset, consumedx, name_out);
3008                 offset += consumedx;
3009         }
3010
3011         return tvb_captured_length(tvb);
3012 }
3013
3014 static int
3015 dissect_dhcpopt_sip_servers(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3016 {
3017         int length = tvb_reported_length(tvb);
3018         int offset = 0;
3019         const unsigned char     *dns_name;
3020         int             dns_name_len;
3021         char            *name_out;
3022
3023         /* Domain Names - Implementation And Specification (RFC 1035) */
3024         /* We will display the information about SIP server */
3025         uint32_t enc;
3026
3027         proto_tree_add_item_ret_uint(tree, hf_dhcp_option_sip_server_enc, tvb, offset, 1, ENC_NA, &enc);
3028         offset += 1;
3029
3030         switch (enc) {
3031         case RFC_3361_ENC_FQDN: {
3032                 int consumedx = 0;
3033                 if (length < 3) {
3034                         expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 3 (len = %u)", length);
3035                         break;
3036                 }
3037
3038                 while (tvb_reported_length_remaining(tvb, offset) > 0) {
3039                         /* use the get_dns_name method that manages all techniques of RFC 1035 (compression pointer and so on) */
3040                         consumedx = get_dns_name(tvb, offset, length,
3041                                 1 /* ignore enc */, (const char **)&dns_name, &dns_name_len);
3042                         name_out = format_text(pinfo->pool, dns_name, dns_name_len);
3043
3044                         proto_tree_add_string(tree, hf_dhcp_option_sip_server_name, tvb, offset, consumedx, name_out);
3045                         offset += consumedx;
3046                 }
3047                 break;
3048         }
3049         case RFC_3361_ENC_IPADDR:
3050                 if (length < 5) {
3051                         expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 5 (len = %u)", length);
3052                         break;
3053                 }
3054                 /* x % 2^n == x & (2^n - 1) note : (assuming x is a positive integer) */
3055                 if ((length - 1) & 3) {
3056                         expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't a multiple of 4 plus 1 (len = %u).", length);
3057                         break;
3058                 }
3059                 while (tvb_reported_length_remaining(tvb, offset) > 0) {
3060                         proto_tree_add_item(tree, hf_dhcp_option_sip_server_address, tvb, offset, 4, ENC_BIG_ENDIAN);
3061                         offset += 4;
3062                 }
3063                 break;
3064         default:
3065                 expert_add_info_format(pinfo, tree, &ei_dhcp_option_sip_server_address_encoding, "RFC 3361 defines only 0 and 1 for Encoding byte (Encoding = %u).", enc);
3066                 break;
3067         }
3068
3069         return tvb_captured_length(tvb);
3070 }
3071
3072 static int
3073 dissect_dhcpopt_classless_static_route(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3074 {
3075         int offset = 0;
3076         int i, mask_width, significant_octets;
3077         proto_item* route_item;
3078
3079         /* minimum length is 5 bytes */
3080         if (tvb_reported_length(tvb) < 5) {
3081                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 5");
3082                 return 1;
3083         }
3084         while (tvb_reported_length_remaining(tvb, offset) > 0) {
3085                 mask_width = tvb_get_uint8(tvb, offset);
3086                 /* mask_width <= 32 */
3087                 if (mask_width > 32) {
3088                         expert_add_info_format(pinfo, tree, &ei_dhcp_option_classless_static_route, "Mask width (%d) > 32", mask_width);
3089                         break;
3090                 }
3091                 significant_octets = (mask_width + 7) / 8;
3092                 route_item = proto_tree_add_bytes_format(tree, hf_dhcp_option_classless_static_route, tvb, offset,
3093                         1 + significant_octets + 4, NULL, " ");
3094                 offset++;
3095                 /* significant octets + router(4) */
3096                 if (tvb_reported_length_remaining(tvb, offset + significant_octets + 4) < 0) {
3097                         expert_add_info_format(pinfo, route_item, &ei_dhcp_bad_length, "Remaining length (%d) < %d bytes", tvb_reported_length_remaining(tvb, offset), significant_octets + 4);
3098                         break;
3099                 }
3100                 if(mask_width == 0)
3101                         proto_item_append_text(route_item, "default");
3102                 else {
3103                         for(i = 0 ; i < significant_octets ; i++) {
3104                                 if (i > 0)
3105                                         proto_item_append_text(route_item, ".");
3106                                 proto_item_append_text(route_item, "%d", tvb_get_uint8(tvb, offset++));
3107                         }
3108                         for(i = significant_octets ; i < 4 ; i++)
3109                                 proto_item_append_text(route_item, ".0");
3110                         proto_item_append_text(route_item, "/%d", mask_width);
3111                 }
3112                 proto_item_append_text(route_item, "-%s", tvb_ip_to_str(pinfo->pool, tvb, offset));
3113                 offset += 4;
3114         }
3115
3116         return tvb_captured_length(tvb);
3117 }
3118
3119 static int
3120 dissect_dhcpopt_coordinate_based_location(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3121 {
3122         int offset = 0, length = tvb_reported_length(tvb);
3123         proto_item* ti;
3124
3125         if (length == 16) {
3126                 int ret;
3127                 unsigned char lci[16];
3128                 struct rfc3825_location_fixpoint_t location_fp;
3129                 struct rfc3825_location_decimal_t location;
3130
3131                 tvb_memcpy(tvb, lci, offset, 16);
3132
3133                 /* convert lci encoding into fixpoint location */
3134                 rfc3825_lci_to_fixpoint(lci, &location_fp);
3135
3136                 /* convert location from decimal to fixpoint */
3137                 ret = rfc3825_fixpoint_to_decimal(&location_fp, &location);
3138
3139                 if (ret != RFC3825_NOERROR) {
3140                         ti = proto_tree_add_uint(tree, hf_dhcp_option_rfc3825_error, tvb, offset, 1, ret);
3141                         proto_item_set_len(ti, length);
3142                 } else {
3143                         proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_latitude, tvb, offset, 5, location.latitude, "%15.10f", location.latitude);
3144                         proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_longitude, tvb, offset+5, 5, location.longitude, "%15.10f", location.longitude);
3145                         proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_latitude_res, tvb, offset, 1, location.latitude_res, "%15.10f", location.latitude_res);
3146                         proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_longitude_res, tvb, offset+5, 1, location.longitude_res, "%15.10f", location.longitude_res);
3147                         proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_altitude, tvb, offset+12, 4, location.altitude, "%15.10f", location.altitude);
3148                         proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_altitude_res, tvb, offset+10, 2, location.altitude_res, "%15.10f", location.altitude_res);
3149                         proto_tree_add_uint(tree, hf_dhcp_option_rfc3825_altitude_type, tvb, offset+10, 1, location.altitude_type);
3150                         proto_tree_add_uint(tree, hf_dhcp_option_rfc3825_map_datum, tvb, offset+15, 1, location.datum_type);
3151                 }
3152         } else if (length < 69) { /* CableLabs DSS_ID */
3153                 int s_len;
3154
3155                 proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id_option, tvb, offset, 1, ENC_BIG_ENDIAN);
3156                 proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id_len, tvb, offset+1, 1, ENC_BIG_ENDIAN);
3157                 s_len = tvb_get_uint8(tvb, offset+1);
3158                 proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id, tvb, offset+2, s_len, ENC_ASCII);
3159
3160                 if (length > s_len+2) { /* Second DSS_ID*/
3161
3162                         proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id_option, tvb, offset+2+s_len, 1, ENC_BIG_ENDIAN);
3163                         proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id_len, tvb, offset+1+2+s_len, 1, ENC_BIG_ENDIAN);
3164                         s_len = tvb_get_uint8(tvb, offset+1+2+s_len);
3165                         proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id, tvb, offset+2+2+s_len, s_len, ENC_ASCII);
3166                 }
3167         } else {
3168                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Invalid length of DHCP option!");
3169         }
3170
3171         return tvb_captured_length(tvb);
3172 }
3173
3174 static int
3175 dissect_dhcpopt_vi_vendor_class(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3176 {
3177         int offset = 0;
3178         uint32_t enterprise = 0;
3179         uint32_t option_data_len = 0;
3180         int data_len = 0;
3181         int s_end;
3182         proto_item *eti, *expert_ti;
3183         proto_tree *e_tree;
3184         proto_tree *vcdi_tree;
3185
3186         if (tvb_reported_length(tvb) == 1) {
3187                 /* CableLab specific */
3188                 proto_tree_add_item(tree, hf_dhcp_option_vi_class_cl_address_mode, tvb, 0, 1, ENC_BIG_ENDIAN);
3189                 return 1;
3190         }
3191
3192         while (tvb_reported_length_remaining(tvb, offset) >= 5) {
3193
3194                 eti = proto_tree_add_item_ret_uint(tree, hf_dhcp_option_vi_class_enterprise, tvb, offset, 4, ENC_BIG_ENDIAN, &enterprise);
3195                 e_tree = proto_item_add_subtree(eti, ett_dhcp_option);
3196                 offset += 4;
3197                 proto_tree_add_item_ret_uint(e_tree, hf_dhcp_option_vi_class_data_length, tvb, offset, 1, ENC_BIG_ENDIAN, &option_data_len);
3198                 offset += 1;
3199
3200                 s_end = offset + option_data_len;
3201                 if ( tvb_reported_length_remaining(tvb, s_end) < 0) {
3202                         break;
3203                 }
3204
3205                 while (offset < s_end) {
3206                         tvbuff_t *enterprise_tvb = tvb_new_subset_length(tvb, offset, option_data_len);
3207                         /* XXX - Do we really want to try the dissector table for *each*
3208                          * vendor-class-data for the same enterprise? This tvb is too long on
3209                          * subsequent iterations. Only giving the table dissector one attempt
3210                          * (and skipping past bytes it doesn't dissect to s_end) might be simpler.
3211                          */
3212                         int bytes_dissected = dissector_try_uint(dhcp_enterprise_class_table, enterprise, enterprise_tvb, pinfo, e_tree);
3213                         if (bytes_dissected == 0) {
3214                                 vcdi_tree = proto_tree_add_subtree(e_tree, tvb, offset, option_data_len, ett_dhcp_option124_vendor_class_data_item, NULL, "Vendor Class Data Item");
3215                                 /* According to RFC 3925, *each* vendor-class-data instance has
3216                                  * its own length, but in practice some vendors have only included
3217                                  * the overall per-enterprise option length. See the dhcwg m-l:
3218                                  * https://mailarchive.ietf.org/arch/msg/dhcwg/B4fNsvUR0EHxcrKDsKCf7lBrc3s/
3219                                  */
3220                                 data_len = tvb_get_uint8(tvb, offset);
3221                                 if (offset + data_len >= s_end) {
3222                                         expert_ti = proto_tree_add_item(vcdi_tree, hf_dhcp_option_vi_class_data_item_data, tvb, offset, s_end - offset, ENC_NA);
3223                                         expert_add_info(pinfo, expert_ti, &ei_dhcp_nonstd_option_data);
3224                                         offset = s_end;
3225                                         break;
3226                                 }
3227                                 proto_tree_add_item(vcdi_tree, hf_dhcp_option_vi_class_data_item_length, tvb, offset, 1, ENC_NA);
3228                                 offset += 1;
3229                                 proto_tree_add_item(vcdi_tree, hf_dhcp_option_vi_class_data_item_data, tvb, offset, data_len, ENC_NA);
3230
3231                                 /* look for next vendor-class-data-item */
3232                                 offset += data_len;
3233                         } else {
3234                                 offset += bytes_dissected;
3235                         }
3236                 }
3237
3238                 /* loop for the next Enterprise number */
3239         }
3240
3241         if (tvb_reported_length_remaining(tvb, offset) > 0) {
3242                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length < 5");
3243         }
3244
3245         return tvb_captured_length(tvb);
3246 }
3247
3248 static int
3249 dissect_dhcpopt_forcerenew_nonce(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
3250 {
3251         int offset = 0;
3252         while ( tvb_reported_length_remaining(tvb, offset) > 0) {
3253                 proto_tree_add_item(tree, hf_dhcp_option_forcerenew_nonce_algo, tvb, offset, 1, ENC_BIG_ENDIAN);
3254                 offset += 1;
3255                 }
3256
3257         return tvb_captured_length(tvb);
3258 }
3259
3260 static int
3261 dissect_dhcpopt_rdnss(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3262 {
3263         int offset = 0;
3264         const unsigned char *dns_name;
3265         int dns_name_len;
3266
3267         if (tvb_reported_length(tvb) < 10) {
3268                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be >= 10");
3269                 return 1;
3270         }
3271         proto_tree_add_item(tree, hf_dhcp_option_rdnss_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
3272         proto_tree_add_item(tree, hf_dhcp_option_rdnss_pref, tvb, offset, 1, ENC_BIG_ENDIAN);
3273         offset += 1;
3274         proto_tree_add_item(tree, hf_dhcp_option_rdnss_prim_dns_server, tvb, offset, 4, ENC_BIG_ENDIAN);
3275         offset += 4;
3276         proto_tree_add_item(tree, hf_dhcp_option_rdnss_sec_dns_server, tvb, offset, 4, ENC_BIG_ENDIAN);
3277         offset += 4;
3278
3279         get_dns_name(tvb, offset, tvb_reported_length_remaining(tvb,offset), offset, (const char **)&dns_name, &dns_name_len);
3280         proto_tree_add_string(tree, hf_dhcp_option_rdnss_domain, tvb, offset,
3281                         tvb_reported_length_remaining(tvb,offset), format_text(pinfo->pool, dns_name, dns_name_len));
3282
3283         return tvb_captured_length(tvb);
3284 }
3285
3286 static int
3287 dissect_dhcpopt_dhcp_captive_portal(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
3288 {
3289         proto_item *ti_cp;
3290         ti_cp = proto_tree_add_item(tree, hf_dhcp_option_captive_portal, tvb, 0, tvb_reported_length(tvb), ENC_ASCII);
3291         proto_item_set_url(ti_cp);
3292
3293         return tvb_captured_length(tvb);
3294 }
3295
3296 static int
3297 dissect_dhcpopt_bulk_lease_query_start(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3298 {
3299         if (tvb_reported_length(tvb) != 4) {
3300                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be 4");
3301                 return 1;
3302         }
3303         proto_tree_add_item(tree, hf_dhcp_option_bulk_lease_query_start, tvb, 0, 4, ENC_TIME_SECS_NTP|ENC_BIG_ENDIAN);
3304
3305         return tvb_captured_length(tvb);
3306 }
3307
3308 static int
3309 dissect_dhcpopt_bulk_lease_query_end(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
3310 {
3311         if (tvb_reported_length(tvb) != 4) {
3312                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be 4");
3313                 return 1;
3314         }
3315         proto_tree_add_item(tree, hf_dhcp_option_bulk_lease_query_end, tvb, 0, 4, ENC_TIME_SECS_NTP|ENC_BIG_ENDIAN);
3316
3317         return tvb_captured_length(tvb);
3318 }
3319
3320 static int
3321 dissect_dhcpopt_bulk_lease_base_time(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3322 {
3323         if (tvb_reported_length(tvb) != 4) {
3324                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be 4");
3325                 return 1;
3326         }
3327         proto_tree_add_item(tree, hf_dhcp_option_bulk_lease_base_time, tvb, 0, 4, ENC_TIME_SECS_NTP|ENC_BIG_ENDIAN);
3328
3329         return tvb_captured_length(tvb);
3330 }
3331
3332 static int
3333 dissect_dhcpopt_bulk_lease_status_code(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3334 {
3335         if (tvb_reported_length(tvb) < 1) {
3336                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must >= 1");
3337                 return 1;
3338         }
3339         proto_tree_add_item(tree, hf_dhcp_option_bulk_lease_status_code, tvb, 0, 1, ENC_BIG_ENDIAN);
3340         if ( tvb_reported_length_remaining(tvb, 1) > 0) {
3341                 proto_tree_add_item(tree, hf_dhcp_option_bulk_lease_status_message, tvb, 1, tvb_reported_length_remaining(tvb, 1), ENC_UTF_8);
3342                 }
3343
3344         return tvb_captured_length(tvb);
3345 }
3346
3347 static int
3348 dissect_dhcpopt_pcp_server(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3349 {
3350         proto_tree *tree_pcp;
3351         int offset = 0;
3352         uint8_t list_length;
3353         uint8_t ip_list_length;
3354         proto_item *ti_pcp;
3355
3356         if (tvb_reported_length(tvb) < 5) {
3357                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must >= 5");
3358                 return 1;
3359         }
3360         while (tvb_reported_length_remaining(tvb, offset) >= 5) {
3361                 ip_list_length = 0;
3362                 list_length = tvb_get_uint8(tvb, offset);
3363                 tree_pcp = proto_tree_add_subtree(tree, tvb, offset, list_length, ett_dhcp_option158_pcp_list,
3364                                                 &ti_pcp, "PCP server list");
3365                 proto_tree_add_item(tree_pcp, hf_dhcp_option_pcp_list_length, tvb, offset, 1, ENC_NA);
3366                 offset += 1;
3367                 ip_list_length += 1;
3368                 while (((list_length - 1)%4 == 0) && (ip_list_length < list_length) && tvb_reported_length_remaining(tvb,offset) >= 4) {
3369                         proto_tree_add_item(tree_pcp, hf_dhcp_option_pcp_server, tvb, offset, 4, ENC_NA);
3370                         offset += 4;
3371                         ip_list_length += 4;
3372                 }
3373         }
3374
3375         return tvb_captured_length(tvb);
3376 }
3377
3378 static int
3379 dissect_dhcpopt_portparams(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3380 {
3381         if (tvb_reported_length(tvb) != 4) {
3382                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be 4");
3383                 return 1;
3384         }
3385         proto_tree_add_item(tree, hf_dhcp_option_portparams_offset, tvb, 0, 1, ENC_NA);
3386         proto_tree_add_item(tree, hf_dhcp_option_portparams_psid_length, tvb, 1, 1, ENC_NA);
3387         proto_tree_add_item(tree, hf_dhcp_option_portparams_psid, tvb, 2, 2, ENC_NA);
3388
3389         return tvb_captured_length(tvb);
3390 }
3391
3392 static int
3393 dissect_dhcpopt_6RD_option(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3394 {
3395         int offset = 0;
3396
3397         if (tvb_reported_length(tvb) < 22) {
3398                 expert_add_info(pinfo, tree, &ei_dhcp_option_6RD_malformed);
3399                 return 1;
3400         }
3401
3402         proto_tree_add_item(tree, hf_dhcp_option_6RD_ipv4_mask_len, tvb, offset, 1, ENC_BIG_ENDIAN);
3403         proto_tree_add_item(tree, hf_dhcp_option_6RD_prefix_len, tvb, offset+1, 1, ENC_BIG_ENDIAN);
3404         proto_tree_add_item(tree, hf_dhcp_option_6RD_prefix, tvb, offset+2, 16, ENC_NA);
3405         proto_tree_add_item(tree, hf_dhcp_option_6RD_border_relay_ip, tvb, offset+18, 4, ENC_BIG_ENDIAN);
3406
3407         /* More Border Relay IPv4 addresses included */
3408         if (tvb_reported_length(tvb) > 22) {
3409                 offset += 22;
3410                 while (tvb_reported_length_remaining(tvb, offset) >= 4) {
3411                         proto_tree_add_item(tree, hf_dhcp_option_6RD_border_relay_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
3412                         offset += 4;
3413                 }
3414                 if (tvb_reported_length_remaining(tvb, offset) > 0) {
3415                         expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 4");
3416                 }
3417         }
3418
3419         return tvb_captured_length(tvb);
3420 }
3421
3422 static int
3423 dissect_dhcpopt_avaya_ip_telephone(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3424 {
3425         int offset = 0;
3426         proto_tree *o242avaya_v_tree;
3427         proto_item *avaya_ti;
3428         const char *avaya_option = NULL;
3429         wmem_strbuf_t *avaya_param_buf = NULL;
3430
3431         /* minimum length is 5 bytes */
3432         if (tvb_reported_length(tvb) < 5) {
3433                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Avaya IP Telephone option length isn't >= 5");
3434                 return 1;
3435         }
3436         avaya_ti = proto_tree_add_item_ret_string(tree, hf_dhcp_option242_avaya, tvb, offset, tvb_reported_length(tvb), ENC_ASCII|ENC_NA, pinfo->pool, (const uint8_t **)&avaya_option);
3437         o242avaya_v_tree = proto_item_add_subtree(avaya_ti, ett_dhcp_option242_suboption);
3438         avaya_param_buf = wmem_strbuf_new(pinfo->pool, "");
3439         char **fields = wmem_strsplit(pinfo->pool, avaya_option, ",", -1);
3440         for (int i = 0; fields[i]; i++) {
3441                 const char *field = fields[i];
3442                 if (!strchr(field, '=')) {
3443                         if (wmem_strbuf_get_len(avaya_param_buf) == 0) {
3444                                 expert_add_info_format(pinfo, avaya_ti, &ei_dhcp_subopt_unknown_type, "ERROR, Unknown parameter %s", field);
3445                                 offset += (int)strlen(field);
3446                                 break;
3447                         }
3448                         wmem_strbuf_append_printf(avaya_param_buf,",%s", field);
3449                 }
3450                 else {
3451                         if (wmem_strbuf_get_len(avaya_param_buf) > 0) {
3452                                 dissect_vendor_avaya_param(o242avaya_v_tree, pinfo, avaya_ti, tvb, offset, avaya_param_buf);
3453                                 offset += (int)wmem_strbuf_get_len(avaya_param_buf) + 1;
3454                                 wmem_strbuf_truncate(avaya_param_buf, 0);
3455                         }
3456                         wmem_strbuf_append(avaya_param_buf, field);
3457                 }
3458         }
3459         if (wmem_strbuf_get_len(avaya_param_buf) > 0) {
3460                 dissect_vendor_avaya_param(o242avaya_v_tree, pinfo, avaya_ti, tvb, offset, avaya_param_buf);
3461         }
3462
3463         return tvb_captured_length(tvb);
3464 }
3465
3466 static const value_string option82_suboption_vals[] = {
3467         {  0, "Padding" },
3468         {  1, "Agent Circuit ID" },
3469         {  2, "Agent Remote ID" },
3470         {  3, "Reserved" },
3471         {  4, "DOCSIS Device Class" },
3472         {  5, "Link selection" },
3473         {  6, "Subscriber ID" },
3474         {  7, "RADIUS Attributes" },
3475         {  8, "Authentication" },
3476         {  9, "Vendor-Specific Information" },
3477         { 10, "Flags" },
3478         { 11, "Server ID Override" },
3479         { 12, "Relay Agent Identifier" },
3480         { 13, "Access Technology Type" },
3481         { 14, "Access Network Name" },
3482         { 15, "Access Point Name" },
3483         { 16, "Access Point BSSID" },
3484         { 17, "Access Network Operator ID" },
3485         { 18, "Access Network Operator Realm" },
3486         { 19, "Source Port" },
3487         { 150, "Link selection (Cisco proprietary)" },
3488         { 151, "VRF name/VPN ID" },
3489         { 152, "Server ID Override (Cisco proprietary)" },
3490         { 0, NULL }
3491 };
3492
3493 #define CL_AI_OPTION_DOCSIS_VERSION                     1       /* 82:9:4491:1 */
3494 #define CL_AI_OPTION_DPOE_SYSTEM_VERSION                2       /* 82:9:4491:2 */
3495 #define CL_AI_OPTION_DPOE_SYSTEM_DHCPV4_PBB_SERVICE     4       /* 82:9:4491:4 */
3496 #define CL_AI_OPTION_CMTS_CM_SERVICE_CLASS              5       /* 82:9:4491:5 */
3497 #define CL_AI_OPTION_CMTS_MSO_DEFINED_TEXT              6       /* 82:9:4491:6 */
3498 #define CL_AI_OPTION_SECURE_FILE_TRANSFER_URI           7       /* 82:9:4491:7 */
3499
3500 static const value_string option82_cl_tag_vals[] = {
3501         { CL_AI_OPTION_DOCSIS_VERSION, "CMTS DOCSIS version number" },
3502         { CL_AI_OPTION_DPOE_SYSTEM_VERSION, "DPOE System version number" },
3503         { CL_AI_OPTION_DPOE_SYSTEM_DHCPV4_PBB_SERVICE, "DPOE System DHCPv4 PBB service option" },
3504         { CL_AI_OPTION_CMTS_CM_SERVICE_CLASS, "Service Class or QoS Profile Name" },
3505         { CL_AI_OPTION_CMTS_MSO_DEFINED_TEXT, "MSO Defined Text" },
3506         { CL_AI_OPTION_SECURE_FILE_TRANSFER_URI, "Secure File Transfer URI" },
3507         { 0, NULL }
3508 };
3509
3510 static int
3511 dhcp_dhcp_decode_agent_info(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, int optoff,
3512                              int optend)
3513 {
3514         int         suboptoff = optoff;
3515         uint8_t     subopt, idx, vs_opt, vs_len;
3516         int         subopt_len, subopt_end, datalen;
3517         uint32_t            enterprise;
3518         proto_item *vti, *ti;
3519         proto_tree *o82_v_tree, *o82_sub_tree;
3520         int     clsuboptoff, clsubopt_end;
3521
3522         static const struct basic_types_hfs default_hfs = {
3523                 &hf_dhcp_option82_value,
3524                 &hf_dhcp_option82_value_ip_address,
3525                 &hf_dhcp_option82_value_ip_address,
3526                 &hf_dhcp_option82_value_stringz,
3527                 NULL,
3528                 &hf_dhcp_option82_value_8,
3529                 &hf_dhcp_option82_value_16,
3530                 NULL,
3531                 &hf_dhcp_option82_value_32,
3532                 NULL,
3533                 NULL
3534         };
3535
3536         struct opt82_info {
3537                 int id;
3538                 struct opt_info info;
3539         };
3540         static const struct opt82_info o82_opt[]= {
3541                 {0, {"nop", bytes, &hf_dhcp_option82_padding}}, /* dummy */
3542                 {1, {"Agent Circuit ID", bytes, &hf_dhcp_option82_agent_circuit_id}}, /* [RFC3046] */
3543                 {2, {"Agent Remote ID", bytes, &hf_dhcp_option82_agent_remote_id}}, /* [RFC3046] */
3544                 {3, {"Reserved", bytes, &hf_dhcp_option82_reserved}},
3545                 {4, {"DOCSIS Device Class", val_u_long, &hf_dhcp_option82_docsis_device_class}}, /* [RFC3256] */
3546                 {5, {"Link selection", ipv4, &hf_dhcp_option82_link_selection}}, /* [RFC3527] */
3547                 {6, {"Subscriber ID", string, &hf_dhcp_option82_subscriber_id}},  /* [RFC3993] */ /***** CHECK STRING TYPE */
3548                 {7, {"RADIUS Attributes", bytes, &hf_dhcp_option82_radius_attributes}}, /* [RFC4014] */
3549                 {8, {"Authentication", bytes, &hf_dhcp_option82_authentication}}, /* [RFC4030] */
3550                 {9, {"Vendor-Specific Information", special, &hf_dhcp_option82_vi}}, /* [RFC 4243] */
3551                 {10, {"Flags", val_u_byte, &hf_dhcp_option82_flags}}, /* [RFC5010] */
3552                 {11, {"Server ID Override", ipv4, &hf_dhcp_option82_server_id_override}}, /* [RFC 5107] */
3553                 {12, {"Relay Agent Identifier", bytes, &hf_dhcp_option82_relay_agent_id}}, /* [RFC 6925] */
3554                 {13, {"Access Technology Type", bytes, &hf_dhcp_option82_option_ani_att}}, /* [RFC7839] */
3555                 {14, {"Access Network Name", string, &hf_dhcp_option82_option_ani_network_name}}, /* [RFC7839] */
3556                 {15, {"Access Point Name", string, &hf_dhcp_option82_option_ani_ap_name}}, /* [RFC7839] */
3557                 {16, {"Access Point BSSID", special, &hf_dhcp_option82_option_ani_ap_bssid}}, /* [RFC7839] */
3558                 {17, {"Access Network Operator ID", bytes, &hf_dhcp_option82_option_ani_operator_id}}, /* [RFC7839] */
3559                 {18, {"Access Network Operator Realm", string, &hf_dhcp_option82_option_ani_operator_realm}}, /* [RFC7839] */
3560                 {19, {"Source Port", presence, &hf_dhcp_option82_option_source_port}}, /* [RFC8357] */
3561                 {150, {"Link selection (Cisco proprietary)", ipv4, &hf_dhcp_option82_link_selection_cisco}}, /* [RFC3527] */
3562                 {151, {"VRF name/VPN ID", special, &hf_dhcp_option82_vrf_name_vpn_id}}, /* [RFC2685] */
3563                 {152, {"Server ID Override (Cisco proprietary)", ipv4, &hf_dhcp_option82_server_id_override_cisco}} /* [RFC 5107] */
3564         };
3565
3566         subopt = tvb_get_uint8(tvb, optoff);
3567         suboptoff++;
3568
3569         if (suboptoff >= optend) {
3570                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
3571                                                                         "Suboption %d: no room left in option for suboption length", subopt);
3572                 return (optend);
3573         }
3574
3575         subopt_len = tvb_get_uint8(tvb, suboptoff);
3576         vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option82_suboption,
3577                 tvb, optoff, subopt_len+2, subopt, "(%d) %s", subopt, val_to_str_const(subopt, option82_suboption_vals, "Unknown"));
3578
3579         o82_v_tree = proto_item_add_subtree(vti, ett_dhcp_option82_suboption);
3580         proto_tree_add_item(o82_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
3581         suboptoff++;
3582
3583         subopt_end = suboptoff+subopt_len;
3584         if (subopt_end > optend) {
3585                 expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value,
3586                                                 "Suboption %d: no room left in option for suboption value", subopt);
3587                 return (optend);
3588         }
3589
3590         for (idx = 0; idx < array_length(o82_opt); idx++) {
3591                 if (o82_opt[idx].id == subopt) {
3592                         break;
3593                 }
3594         }
3595
3596         ti = proto_tree_add_item(o82_v_tree, hf_dhcp_option82_value, tvb, suboptoff, subopt_len, ENC_NA);
3597
3598         if ( (idx >= 1 ) && (idx < array_length(o82_opt)) ) {
3599                 proto_item_set_hidden(ti);
3600                 if (o82_opt[idx].info.ftype == special) {
3601                         switch(subopt)
3602                         {
3603                         case 9:
3604                                 while (suboptoff < subopt_end) {
3605                                         enterprise = tvb_get_ntohl(tvb, suboptoff);
3606                                         vti = proto_tree_add_item(o82_v_tree, hf_dhcp_option82_vi_enterprise, tvb, suboptoff, 4, ENC_BIG_ENDIAN);
3607                                         suboptoff += 4;
3608
3609                                         o82_sub_tree = proto_item_add_subtree(vti, ett_dhcp_option82_suboption9);
3610                                         datalen = tvb_get_uint8(tvb, suboptoff);
3611                                         proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_data_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
3612                                         suboptoff++;
3613
3614                                         switch (enterprise) {
3615                                         case VENDOR_CABLELABS: /* CableLabs */
3616                                                 /* Compare CL-SP-CANN-DHCP-Reg-I06-110210 (2011) and
3617                                                  * CL-SP-CANN-DHCP-Reg-I13-160317 (2016) */
3618                                                 clsuboptoff = suboptoff;
3619                                                 clsubopt_end = clsuboptoff + datalen;
3620                                                 while (clsuboptoff < clsubopt_end) {
3621                                                         vs_opt = tvb_get_uint8(tvb, clsuboptoff);
3622                                                         vs_len = tvb_get_uint8(tvb, clsuboptoff+1);
3623                                                         if (vs_opt == CL_AI_OPTION_DOCSIS_VERSION &&
3624                                                                 vs_len == 4) {
3625
3626                                                                 /* Superseded version with a redundant option code and option-length */
3627                                                                 proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_option, tvb, clsuboptoff, 1, ENC_BIG_ENDIAN);
3628                                                                 clsuboptoff++;
3629                                                                 proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_option_length, tvb, clsuboptoff, 1, ENC_BIG_ENDIAN);
3630                                                                 clsuboptoff++;
3631
3632                                                                 vs_opt = tvb_get_uint8(tvb, clsuboptoff);
3633                                                                 vs_len = tvb_get_uint8(tvb, clsuboptoff+1);
3634                                                         }
3635                                                         proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_tag, tvb, clsuboptoff, 1, ENC_BIG_ENDIAN);
3636                                                         clsuboptoff++;
3637                                                         proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_tag_length, tvb, clsuboptoff, 1, ENC_BIG_ENDIAN);
3638                                                         clsuboptoff++;
3639                                                         switch (vs_opt) {
3640                                                         case CL_AI_OPTION_DOCSIS_VERSION:
3641                                                                 proto_tree_add_uint_format_value(o82_sub_tree, hf_dhcp_option82_vi_cl_docsis_version,
3642                                                                                   tvb, clsuboptoff, 2, 0, "%d.%d",
3643                                                                                   tvb_get_uint8(tvb, clsuboptoff), tvb_get_uint8(tvb, clsuboptoff+1));
3644                                                                 clsuboptoff+=2;
3645                                                                 break;
3646                                                         case CL_AI_OPTION_DPOE_SYSTEM_VERSION:
3647                                                                 proto_tree_add_uint_format_value(o82_sub_tree, hf_dhcp_option82_vi_cl_dpoe_system_version,
3648                                                                                   tvb, clsuboptoff, 2, 0, "%d.%d",
3649                                                                                   tvb_get_uint8(tvb, clsuboptoff), tvb_get_uint8(tvb, clsuboptoff+1));
3650                                                                 clsuboptoff+=2;
3651                                                                 break;
3652                                                         case CL_AI_OPTION_DPOE_SYSTEM_DHCPV4_PBB_SERVICE:
3653                                                                 proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_dpoe_system_pbb_service, tvb, clsuboptoff, vs_len, ENC_NA);
3654                                                                 break;
3655                                                         case CL_AI_OPTION_CMTS_CM_SERVICE_CLASS:
3656                                                                 proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_service_class_name, tvb, clsuboptoff, vs_len, ENC_ASCII);
3657                                                                 clsuboptoff += vs_len;
3658                                                                 break;
3659                                                         case CL_AI_OPTION_CMTS_MSO_DEFINED_TEXT:
3660                                                                 proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_mso_defined_text, tvb, clsuboptoff, vs_len, ENC_ASCII);
3661                                                                 clsuboptoff += vs_len;
3662                                                                 break;
3663                                                         case CL_AI_OPTION_SECURE_FILE_TRANSFER_URI:
3664                                                                 proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_secure_file_transfer_uri, tvb, clsuboptoff, vs_len, ENC_ASCII);
3665                                                                 clsuboptoff += vs_len;
3666                                                                 break;
3667                                                         default:
3668                                                                 expert_add_info_format(pinfo, vti, &ei_dhcp_option82_vi_cl_tag_unknown, "Unknown tag %d (%d bytes)", vs_opt, vs_len);
3669                                                                 clsuboptoff += vs_len;
3670                                                                 break;
3671                                                         }
3672                                                 }
3673                                                 suboptoff = clsuboptoff;
3674                                                 break;
3675                                         default:
3676                                                 proto_tree_add_item(o82_v_tree, hf_dhcp_option82_value, tvb, suboptoff, datalen, ENC_NA);
3677                                                 suboptoff += datalen;
3678                                                 break;
3679                                         }
3680                                 }
3681                                 break;
3682                         case 13: /* Access Technology Type */
3683                                 if (subopt_len != 2) {
3684                                         expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 2");
3685                                         break;
3686                                 }
3687                                 proto_tree_add_item(o82_v_tree, hf_dhcp_option82_option_ani_att_res, tvb, suboptoff, 1, ENC_NA);
3688                                 proto_tree_add_item(o82_v_tree, hf_dhcp_option82_option_ani_att_att, tvb, suboptoff+1, 1, ENC_NA);
3689                                 break;
3690                         break;
3691                         case 151:
3692                                 if (subopt_len == 1) {
3693                                         proto_tree_add_item(o82_v_tree, hf_dhcp_option82_vrf_name_global, tvb, suboptoff, 1, ENC_NA);
3694                                 }
3695                                 else if (subopt_len != 7) {
3696                                         proto_tree_add_item(o82_v_tree, hf_dhcp_option82_vrf_name, tvb, suboptoff, subopt_len, ENC_ASCII);
3697                                 } else {
3698                                         proto_tree_add_item(o82_v_tree, hf_dhcp_option82_vrf_name_vpn_id_oui, tvb, suboptoff, 3, ENC_BIG_ENDIAN);
3699                                         proto_tree_add_item(o82_v_tree, hf_dhcp_option82_vrf_name_vpn_id_index, tvb, suboptoff+3, 4, ENC_BIG_ENDIAN);
3700                                 }
3701                                 break;
3702                         default:
3703                                 if (o82_opt[idx].info.phf != NULL)
3704                                         proto_tree_add_item(o82_v_tree, *o82_opt[idx].info.phf, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
3705                                 else
3706                                         proto_tree_add_item(o82_v_tree, hf_dhcp_option82_value, tvb, suboptoff, subopt_len, ENC_NA);
3707                                 break;
3708                         }
3709                 }
3710                 else {
3711                         dhcp_handle_basic_types(pinfo, o82_v_tree, vti, tvb, o82_opt[idx].info.ftype,
3712                                                      suboptoff, subopt_len, o82_opt[idx].info.phf, &default_hfs);
3713                 }
3714         }
3715
3716         optoff += (subopt_len + 2);
3717         return optoff;
3718 }
3719
3720 static int
3721 dissect_dhcpopt_relay_agent_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
3722 {
3723         int offset = 0;
3724
3725         while (tvb_reported_length_remaining(tvb, offset) > 0) {
3726                 offset = dhcp_dhcp_decode_agent_info(pinfo, tree, tree, tvb, offset, tvb_reported_length(tvb));
3727         }
3728
3729         return tvb_captured_length(tvb);
3730 }
3731
3732 # define O43PXE_DISCOVERY 6
3733 # define O43PXE_BOOT_SERVER 8
3734 # define O43PXE_BOOT_MENU 9
3735 # define O43PXE_MENU_PROMPT 10
3736 # define O43PXE_BOOT_ITEM 71
3737
3738 static const value_string option43_pxeclient_suboption_vals[] = {
3739         {  0, "Padding" },
3740         {  1, "PXE mtftp IP" },
3741         {  2, "PXE mtftp client port" },
3742         {  3, "PXE mtftp server port" },
3743         {  4, "PXE mtftp timeout" },
3744         {  5, "PXE mtftp delay" },
3745         { O43PXE_DISCOVERY, "PXE discovery control" },
3746         {  7, "PXE multicast address" },
3747         { O43PXE_BOOT_SERVER, "PXE boot servers" },
3748         { O43PXE_BOOT_MENU, "PXE boot menu" },
3749         { O43PXE_MENU_PROMPT, "PXE menu prompt" },
3750         { 11, "PXE multicast address alloc", },
3751         { 12, "PXE credential types" },
3752         { O43PXE_BOOT_ITEM, "PXE boot item" },
3753         { 179, "PXE LCM Server" },
3754         { 180, "PXE LCM Domain" },
3755         { 181, "PXE LCM NIC option 0" },
3756         { 190, "PXE LCM Workgroup" },
3757         { 191, "PXE Discovery" },
3758         { 192, "PXE Configured" },
3759         { 193, "PXE LCM version" },
3760         { 194, "PXE LCM Serial Number" },
3761         { 255, "PXE End" },
3762         { 0, NULL}
3763 };
3764
3765 static int
3766 dissect_vendor_pxeclient_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree,
3767                                    tvbuff_t *tvb, int optoff, int optend)
3768 {
3769         int         suboptoff = optoff;
3770         int         suboptoff_start;
3771         uint8_t     subopt;
3772         uint8_t     subopt_len;
3773         proto_tree *o43pxeclient_v_tree, *o43pxeclient_suboption_tree;
3774         proto_item *vti, *ti;
3775         uint32_t            boot_server_ip_count;
3776         uint32_t            boot_menu_length;
3777
3778         static const struct basic_types_hfs default_hfs = {
3779                 NULL,
3780                 &hf_dhcp_option43_value_ip_address,
3781                 &hf_dhcp_option43_value_ip_address,
3782                 NULL,
3783                 NULL,
3784                 &hf_dhcp_option43_value_8,
3785                 NULL,
3786                 NULL,
3787                 NULL,
3788                 NULL,
3789                 NULL
3790         };
3791
3792         static int * const o43pxe_discovery_hf_flags[] = {
3793                 &hf_dhcp_option43_pxeclient_discovery_control_bc,
3794                 &hf_dhcp_option43_pxeclient_discovery_control_mc,
3795                 &hf_dhcp_option43_pxeclient_discovery_control_serverlist,
3796                 &hf_dhcp_option43_pxeclient_discovery_control_bstrap,
3797                 NULL
3798         };
3799
3800         static const struct opt_info o43pxeclient_opt[]= {
3801                 /* 0 */ {"nop", special, &hf_dhcp_option43_pxeclient_padding},  /* dummy */
3802                 /* 1 */ {"PXE mtftp IP", ipv4_list, &hf_dhcp_option43_pxeclient_mtftp_ip},
3803                 /* 2 */ {"PXE mtftp client port", val_u_le_short, &hf_dhcp_option43_pxeclient_mtftp_client_port},
3804                 /* 3 */ {"PXE mtftp server port",val_u_le_short, &hf_dhcp_option43_pxeclient_mtftp_server_port},
3805                 /* 4 */ {"PXE mtftp timeout", val_u_byte, &hf_dhcp_option43_pxeclient_mtftp_timeout},
3806                 /* 5 */ {"PXE mtftp delay", val_u_byte, &hf_dhcp_option43_pxeclient_mtftp_delay},
3807                 /* 6 */ {"PXE discovery control", special, NULL},
3808                 /* 7 */ {"PXE multicast address", ipv4_list, &hf_dhcp_option43_pxeclient_multicast_address},
3809                 /* 8 */ {"PXE boot servers", special, NULL},
3810                 /* 9 */ {"PXE boot menu", special, NULL},
3811                 /* 10 */ {"PXE menu prompt", special, NULL},
3812                 /* 11 */ {"PXE multicast address alloc", special, &hf_dhcp_option43_pxeclient_multicast_address_alloc},
3813                 /* 12 */ {"PXE credential types", special, &hf_dhcp_option43_pxeclient_credential_types},
3814                 /* 13 */ {"Unassigned", opaque, NULL},
3815                 /* 14 */ {"Unassigned", opaque, NULL},
3816                 /* 15 */ {"Unassigned", opaque, NULL},
3817                 /* 16 */ {"Unassigned", opaque, NULL},
3818                 /* 17 */ {"Unassigned", opaque, NULL},
3819                 /* 18 */ {"Unassigned", opaque, NULL},
3820                 /* 19 */ {"Unassigned", opaque, NULL},
3821                 /* 20 */ {"Unassigned", opaque, NULL},
3822                 /* 21 */ {"Unassigned", opaque, NULL},
3823                 /* 22 */ {"Unassigned", opaque, NULL},
3824                 /* 23 */ {"Unassigned", opaque, NULL},
3825                 /* 24 */ {"Unassigned", opaque, NULL},
3826                 /* 25 */ {"Unassigned", opaque, NULL},
3827                 /* 26 */ {"Unassigned", opaque, NULL},
3828                 /* 27 */ {"Unassigned", opaque, NULL},
3829                 /* 28 */ {"Unassigned", opaque, NULL},
3830                 /* 29 */ {"Unassigned", opaque, NULL},
3831                 /* 30 */ {"Unassigned", opaque, NULL},
3832                 /* 31 */ {"Unassigned", opaque, NULL},
3833                 /* 32 */ {"Unassigned", opaque, NULL},
3834                 /* 33 */ {"Unassigned", opaque, NULL},
3835                 /* 34 */ {"Unassigned", opaque, NULL},
3836                 /* 35 */ {"Unassigned", opaque, NULL},
3837                 /* 36 */ {"Unassigned", opaque, NULL},
3838                 /* 37 */ {"Unassigned", opaque, NULL},
3839                 /* 38 */ {"Unassigned", opaque, NULL},
3840                 /* 39 */ {"Unassigned", opaque, NULL},
3841                 /* 40 */ {"Unassigned", opaque, NULL},
3842                 /* 41 */ {"Unassigned", opaque, NULL},
3843                 /* 42 */ {"Unassigned", opaque, NULL},
3844                 /* 43 */ {"Unassigned", opaque, NULL},
3845                 /* 44 */ {"Unassigned", opaque, NULL},
3846                 /* 45 */ {"Unassigned", opaque, NULL},
3847                 /* 46 */ {"Unassigned", opaque, NULL},
3848                 /* 47 */ {"Unassigned", opaque, NULL},
3849                 /* 48 */ {"Unassigned", opaque, NULL},
3850                 /* 49 */ {"Unassigned", opaque, NULL},
3851                 /* 50 */ {"Unassigned", opaque, NULL},
3852                 /* 51 */ {"Unassigned", opaque, NULL},
3853                 /* 52 */ {"Unassigned", opaque, NULL},
3854                 /* 53 */ {"Unassigned", opaque, NULL},
3855                 /* 54 */ {"Unassigned", opaque, NULL},
3856                 /* 55 */ {"Unassigned", opaque, NULL},
3857                 /* 56 */ {"Unassigned", opaque, NULL},
3858                 /* 57 */ {"Unassigned", opaque, NULL},
3859                 /* 58 */ {"Unassigned", opaque, NULL},
3860                 /* 59 */ {"Unassigned", opaque, NULL},
3861                 /* 60 */ {"Unassigned", opaque, NULL},
3862                 /* 61 */ {"Unassigned", opaque, NULL},
3863                 /* 62 */ {"Unassigned", opaque, NULL},
3864                 /* 63 */ {"Unassigned", opaque, NULL},
3865                 /* 64 */ {"Unassigned", opaque, NULL},
3866                 /* 65 */ {"Unassigned", opaque, NULL},
3867                 /* 66 */ {"Unassigned", opaque, NULL},
3868                 /* 67 */ {"Unassigned", opaque, NULL},
3869                 /* 68 */ {"Unassigned", opaque, NULL},
3870                 /* 69 */ {"Unassigned", opaque, NULL},
3871                 /* 70 */ {"Unassigned", opaque, NULL},
3872                 /* 71 */ {"PXE boot item", special, NULL},
3873                 /* 72 */ {"Unassigned", opaque, NULL},
3874                 /* 73 */ {"Unassigned", opaque, NULL},
3875                 /* 74 */ {"Unassigned", opaque, NULL},
3876                 /* 75 */ {"Unassigned", opaque, NULL},
3877                 /* 76 */ {"Unassigned", opaque, NULL},
3878                 /* 77 */ {"Unassigned", opaque, NULL},
3879                 /* 78 */ {"Unassigned", opaque, NULL},
3880                 /* 79 */ {"Unassigned", opaque, NULL},
3881                 /* 80 */ {"Unassigned", opaque, NULL},
3882                 /* 81 */ {"Unassigned", opaque, NULL},
3883                 /* 82 */ {"Unassigned", opaque, NULL},
3884                 /* 83 */ {"Unassigned", opaque, NULL},
3885                 /* 84 */ {"Unassigned", opaque, NULL},
3886                 /* 85 */ {"Unassigned", opaque, NULL},
3887                 /* 86 */ {"Unassigned", opaque, NULL},
3888                 /* 87 */ {"Unassigned", opaque, NULL},
3889                 /* 88 */ {"Unassigned", opaque, NULL},
3890                 /* 89 */ {"Unassigned", opaque, NULL},
3891                 /* 90 */ {"Unassigned", opaque, NULL},
3892                 /* 91 */ {"Unassigned", opaque, NULL},
3893                 /* 92 */ {"Unassigned", opaque, NULL},
3894                 /* 93 */ {"Unassigned", opaque, NULL},
3895                 /* 94 */ {"Unassigned", opaque, NULL},
3896                 /* 95 */ {"Unassigned", opaque, NULL},
3897                 /* 96 */ {"Unassigned", opaque, NULL},
3898                 /* 97 */ {"Unassigned", opaque, NULL},
3899                 /* 98 */ {"Unassigned", opaque, NULL},
3900                 /* 99 */ {"Unassigned", opaque, NULL},
3901                 /* 100 */ {"Unassigned", opaque, NULL},
3902                 /* 101 */ {"Unassigned", opaque, NULL},
3903                 /* 102 */ {"Unassigned", opaque, NULL},
3904                 /* 103 */ {"Unassigned", opaque, NULL},
3905                 /* 104 */ {"Unassigned", opaque, NULL},
3906                 /* 105 */ {"Unassigned", opaque, NULL},
3907                 /* 106 */ {"Unassigned", opaque, NULL},
3908                 /* 107 */ {"Unassigned", opaque, NULL},
3909                 /* 108 */ {"Unassigned", opaque, NULL},
3910                 /* 109 */ {"Unassigned", opaque, NULL},
3911                 /* 110 */ {"Unassigned", opaque, NULL},
3912                 /* 111 */ {"Unassigned", opaque, NULL},
3913                 /* 112 */ {"Unassigned", opaque, NULL},
3914                 /* 113 */ {"Unassigned", opaque, NULL},
3915                 /* 114 */ {"Unassigned", opaque, NULL},
3916                 /* 115 */ {"Unassigned", opaque, NULL},
3917                 /* 116 */ {"Unassigned", opaque, NULL},
3918                 /* 117 */ {"Unassigned", opaque, NULL},
3919                 /* 118 */ {"Unassigned", opaque, NULL},
3920                 /* 119 */ {"Unassigned", opaque, NULL},
3921                 /* 120 */ {"Unassigned", opaque, NULL},
3922                 /* 121 */ {"Unassigned", opaque, NULL},
3923                 /* 122 */ {"Unassigned", opaque, NULL},
3924                 /* 123 */ {"Unassigned", opaque, NULL},
3925                 /* 124 */ {"Unassigned", opaque, NULL},
3926                 /* 125 */ {"Unassigned", opaque, NULL},
3927                 /* 126 */ {"Unassigned", opaque, NULL},
3928                 /* 127 */ {"Unassigned", opaque, NULL},
3929                 /* 128 */ {"Unassigned", opaque, NULL},
3930                 /* 129 */ {"Unassigned", opaque, NULL},
3931                 /* 130 */ {"Unassigned", opaque, NULL},
3932                 /* 131 */ {"Unassigned", opaque, NULL},
3933                 /* 132 */ {"Unassigned", opaque, NULL},
3934                 /* 133 */ {"Unassigned", opaque, NULL},
3935                 /* 134 */ {"Unassigned", opaque, NULL},
3936                 /* 135 */ {"Unassigned", opaque, NULL},
3937                 /* 136 */ {"Unassigned", opaque, NULL},
3938                 /* 137 */ {"Unassigned", opaque, NULL},
3939                 /* 138 */ {"Unassigned", opaque, NULL},
3940                 /* 139 */ {"Unassigned", opaque, NULL},
3941                 /* 140 */ {"Unassigned", opaque, NULL},
3942                 /* 141 */ {"Unassigned", opaque, NULL},
3943                 /* 142 */ {"Unassigned", opaque, NULL},
3944                 /* 143 */ {"Unassigned", opaque, NULL},
3945                 /* 144 */ {"Unassigned", opaque, NULL},
3946                 /* 145 */ {"Unassigned", opaque, NULL},
3947                 /* 146 */ {"Unassigned", opaque, NULL},
3948                 /* 147 */ {"Unassigned", opaque, NULL},
3949                 /* 148 */ {"Unassigned", opaque, NULL},
3950                 /* 149 */ {"Unassigned", opaque, NULL},
3951                 /* 150 */ {"Unassigned", opaque, NULL},
3952                 /* 151 */ {"Unassigned", opaque, NULL},
3953                 /* 152 */ {"Unassigned", opaque, NULL},
3954                 /* 153 */ {"Unassigned", opaque, NULL},
3955                 /* 154 */ {"Unassigned", opaque, NULL},
3956                 /* 155 */ {"Unassigned", opaque, NULL},
3957                 /* 156 */ {"Unassigned", opaque, NULL},
3958                 /* 157 */ {"Unassigned", opaque, NULL},
3959                 /* 158 */ {"Unassigned", opaque, NULL},
3960                 /* 159 */ {"Unassigned", opaque, NULL},
3961                 /* 160 */ {"Unassigned", opaque, NULL},
3962                 /* 161 */ {"Unassigned", opaque, NULL},
3963                 /* 162 */ {"Unassigned", opaque, NULL},
3964                 /* 163 */ {"Unassigned", opaque, NULL},
3965                 /* 164 */ {"Unassigned", opaque, NULL},
3966                 /* 165 */ {"Unassigned", opaque, NULL},
3967                 /* 166 */ {"Unassigned", opaque, NULL},
3968                 /* 167 */ {"Unassigned", opaque, NULL},
3969                 /* 168 */ {"Unassigned", opaque, NULL},
3970                 /* 169 */ {"Unassigned", opaque, NULL},
3971                 /* 170 */ {"Unassigned", opaque, NULL},
3972                 /* 171 */ {"Unassigned", opaque, NULL},
3973                 /* 172 */ {"Unassigned", opaque, NULL},
3974                 /* 173 */ {"Unassigned", opaque, NULL},
3975                 /* 174 */ {"Unassigned", opaque, NULL},
3976                 /* 175 */ {"Unassigned", opaque, NULL},
3977                 /* 176 */ {"Unassigned", opaque, NULL},
3978                 /* 177 */ {"Unassigned", opaque, NULL},
3979                 /* 178 */ {"Unassigned", opaque, NULL},
3980                 /* 179 */ {"LCM Server", string, &hf_dhcp_option43_pxeclient_lcm_server},
3981                 /* 180 */ {"LCM Domain", string, &hf_dhcp_option43_pxeclient_lcm_domain},
3982                 /* 181 */ {"LCM NIC Option 0", bytes, &hf_dhcp_option43_pxeclient_lcm_nic_option},
3983                 /* 182 */ {"Unassigned", opaque, NULL},
3984                 /* 183 */ {"Unassigned", opaque, NULL},
3985                 /* 184 */ {"Unassigned", opaque, NULL},
3986                 /* 185 */ {"Unassigned", opaque, NULL},
3987                 /* 186 */ {"Unassigned", opaque, NULL},
3988                 /* 187 */ {"Unassigned", opaque, NULL},
3989                 /* 188 */ {"Unassigned", opaque, NULL},
3990                 /* 189 */ {"Unassigned", opaque, NULL},
3991                 /* 190 */ {"LCM Workgroup", string, &hf_dhcp_option43_pxeclient_lcm_workgroup},
3992                 /* 191 */ {"Discovery", val_boolean, &hf_dhcp_option43_pxeclient_discovery},
3993                 /* 192 */ {"Configured", val_boolean, &hf_dhcp_option43_pxeclient_configured},
3994                 /* 193 */ {"LCM Version", val_u_long, &hf_dhcp_option43_pxeclient_lcm_version},
3995                 /* 194 */ {"LCM Serial Number", string, &hf_dhcp_option43_pxeclient_lcm_serial},
3996                 /* 255 {"PXE end options", special, &hf_dhcp_option43_pxeclient_end} */
3997         };
3998
3999         subopt = tvb_get_uint8(tvb, optoff);
4000         suboptoff++;
4001
4002         if (subopt == 0) {
4003                 proto_tree_add_item(v_tree, hf_dhcp_option43_pxeclient_padding, tvb, optoff, 1, ENC_BIG_ENDIAN);
4004                 return (suboptoff);
4005         } else if (subopt == 255) {     /* End Option */
4006                 proto_tree_add_item(v_tree, hf_dhcp_option43_pxeclient_end, tvb, optoff, 1, ENC_BIG_ENDIAN);
4007                 /* Make sure we skip any junk left this option */
4008                 return (optend);
4009         }
4010
4011         if (suboptoff >= optend) {
4012                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
4013                                                                         "Suboption %d: no room left in option for suboption length", subopt);
4014                 return (optend);
4015         }
4016
4017         subopt_len = tvb_get_uint8(tvb, suboptoff);
4018         vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_pxeclient_suboption,
4019                                 tvb, optoff, subopt_len+2, subopt, "(%d) %s",
4020                                 subopt, val_to_str_const(subopt, option43_pxeclient_suboption_vals, "Unknown"));
4021
4022         o43pxeclient_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption);
4023         proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
4024         suboptoff++;
4025
4026         ti = proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_value, tvb, suboptoff, subopt_len, ENC_NA);
4027         proto_item_set_hidden(ti);
4028
4029         if ((subopt < 1) || (subopt >= array_length(o43pxeclient_opt))) {
4030                 expert_add_info_format(pinfo, vti, &ei_dhcp_suboption_invalid, "Unknown suboption %d (%d bytes)", subopt, subopt_len);
4031         } else if (o43pxeclient_opt[subopt].ftype == special) {
4032                 /* I may need to decode that properly one day */
4033                 if (o43pxeclient_opt[subopt].phf != NULL)
4034                         proto_tree_add_item(o43pxeclient_v_tree, *o43pxeclient_opt[subopt].phf, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
4035                 else {
4036                         switch(subopt)
4037                         {
4038                         case O43PXE_DISCOVERY:
4039                                 proto_tree_add_bitmask(o43pxeclient_v_tree, tvb, suboptoff, hf_dhcp_option43_pxeclient_discovery_control,
4040                                                       ett_dhcp_option43_suboption_discovery, o43pxe_discovery_hf_flags, ENC_BIG_ENDIAN);
4041                                 break;
4042                         case O43PXE_BOOT_SERVER:
4043                                 suboptoff_start = suboptoff;
4044                                 ti = proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_pxeclient_boot_servers, tvb, suboptoff, subopt_len, ENC_NA);
4045                                 o43pxeclient_suboption_tree = proto_item_add_subtree(ti, ett_dhcp_option43_suboption_tree);
4046                                 while((suboptoff - suboptoff_start) < (subopt_len - 1)) {
4047                                         proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_server_type, tvb, suboptoff, 2, ENC_BIG_ENDIAN);
4048                                         suboptoff += 2;
4049                                         proto_tree_add_item_ret_uint(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_server_count, tvb, suboptoff, 1, ENC_BIG_ENDIAN, &boot_server_ip_count);
4050                                         suboptoff += 1;
4051                                         while(boot_server_ip_count > 0) {
4052                                                 proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_server_ip, tvb, suboptoff, 4, ENC_BIG_ENDIAN);
4053                                                 suboptoff += 4;
4054                                                 boot_server_ip_count -=1;
4055                                         }
4056                                 }
4057                                 break;
4058                         case O43PXE_BOOT_MENU:
4059                                 suboptoff_start = suboptoff;
4060                                 ti = proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_pxeclient_boot_menu, tvb, suboptoff, subopt_len, ENC_NA);
4061                                 o43pxeclient_suboption_tree = proto_item_add_subtree(ti, ett_dhcp_option43_suboption_tree);
4062                                 while((suboptoff - suboptoff_start) < (subopt_len - 1)) {
4063                                         proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_menu_type, tvb, suboptoff, 2, ENC_BIG_ENDIAN);
4064                                         suboptoff += 2;
4065                                         proto_tree_add_item_ret_uint(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_menu_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN, &boot_menu_length);
4066                                         suboptoff += 1;
4067                                         proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_menu_desc, tvb, suboptoff, boot_menu_length, ENC_ASCII);
4068                                         suboptoff += boot_menu_length;
4069                                 }
4070                                 break;
4071                         case O43PXE_MENU_PROMPT:
4072                                 ti = proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_pxeclient_menu_prompt, tvb, suboptoff, subopt_len, ENC_NA);
4073                                 o43pxeclient_suboption_tree = proto_item_add_subtree(ti, ett_dhcp_option43_suboption_tree);
4074                                 proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_menu_prompt_timeout, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
4075                                 suboptoff += 1;
4076                                 proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_menu_prompt_prompt, tvb, suboptoff, subopt_len - 1, ENC_ASCII);
4077                                 break;
4078                         case O43PXE_BOOT_ITEM:
4079                                 ti = proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_pxeclient_boot_item, tvb, suboptoff, subopt_len, ENC_NA);
4080                                 o43pxeclient_suboption_tree = proto_item_add_subtree(ti, ett_dhcp_option43_suboption_tree);
4081                                 proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_item_type, tvb, suboptoff, 2, ENC_BIG_ENDIAN);
4082                                 suboptoff += 2;
4083                                 proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_item_layer, tvb, suboptoff, 2, ENC_NA);
4084                                 break;
4085                         default:
4086                                 proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_value, tvb, suboptoff, subopt_len, ENC_NA);
4087                                 break;
4088                         }
4089                 }
4090         } else {
4091                 if (dhcp_handle_basic_types(pinfo, o43pxeclient_v_tree, vti, tvb, o43pxeclient_opt[subopt].ftype,
4092                                                         suboptoff, subopt_len, o43pxeclient_opt[subopt].phf, &default_hfs) == 0)
4093                 {
4094                         expert_add_info_format(pinfo, vti, &ei_dhcp_subopt_unknown_type, "ERROR, please report: Unknown subopt type handler %d", subopt);
4095                 }
4096         }
4097
4098         optoff += (subopt_len + 2);
4099         return optoff;
4100 }
4101
4102 static bool
4103 dissect_pxeclient_vendor_info_heur( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
4104 {
4105         int offset = 0;
4106         dhcp_option_data_t *option_data = (dhcp_option_data_t*)data;
4107         proto_tree* vendor_tree;
4108
4109         /* PXE protocol 2.1 as described in the Intel specs */
4110         if ((option_data->vendor_class_id == NULL) ||
4111                 (strncmp((const char*)option_data->vendor_class_id, "PXEClient", strlen("PXEClient")) != 0))
4112                 return false;
4113
4114         proto_item_append_text(tree, " (PXEClient)");
4115         vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option);
4116
4117         while (tvb_reported_length_remaining(tvb, offset) > 0) {
4118                 offset = dissect_vendor_pxeclient_suboption(pinfo, tree, vendor_tree,
4119                         tvb, offset, tvb_reported_length(tvb));
4120         }
4121
4122         return true;
4123 }
4124
4125 static void
4126 dissect_vendor_avaya_param(proto_tree *tree, packet_info *pinfo, proto_item *vti,
4127                 tvbuff_t *tvb, int optoff, wmem_strbuf_t *avaya_param_buf)
4128 {
4129         const char *field;
4130         int len;
4131
4132         field = wmem_strbuf_get_str(avaya_param_buf);
4133         len = (int)wmem_strbuf_get_len(avaya_param_buf);
4134
4135         if((strncmp(field, "TLSSRVR=", 8) == 0) && ( len > 8 )) {
4136                 proto_tree_add_string(tree, hf_dhcp_option242_avaya_tlssrvr, tvb, optoff, len, field + 8);
4137         }
4138         else if((strncmp(field, "HTTPSRVR=", 9) == 0) && ( len > 9)) {
4139                 proto_tree_add_string(tree, hf_dhcp_option242_avaya_httpsrvr, tvb, optoff, len, field + 9);
4140         }
4141         else if((strncmp(field, "HTTPDIR=", 8) == 0) && ( len > 8)) {
4142                 proto_tree_add_string(tree, hf_dhcp_option242_avaya_httpdir, tvb, optoff, len, field + 8);
4143         }
4144         else if((strncmp(field, "STATIC=", 7) == 0) && ( len > 7)) {
4145                 proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_static, tvb, optoff, len, field + 7, "%s (%s)", field + 7, str_to_str(field + 7, option242_avaya_static_vals, "Unknown (%s)"));
4146         }
4147         else if((strncmp(field, "MCIPADD=", 8) == 0) && ( len > 8)) {
4148                 proto_tree_add_string(tree, hf_dhcp_option242_avaya_mcipadd, tvb, optoff, len, field + 8);
4149         }
4150         else if((strncmp(field, "DOT1X=", 6) == 0) && ( len > 6)) {
4151                 proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_dot1x, tvb, optoff, len, field + 6, "%s (%s)", field + 6, str_to_str(field + 6, option242_avaya_dot1x_vals, "Unknown (%s)"));
4152         }
4153         else if((strncmp(field, "ICMPDU=", 7) == 0) && ( len > 7)) {
4154                 proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_icmpdu, tvb, optoff, len, field + 7, "%s (%s)", field + 7, str_to_str(field + 7, option242_avaya_icmpdu_vals, "Unknown (%s)"));
4155         }
4156         else if((strncmp(field, "ICMPRED=", 8) == 0) && ( len > 8)) {
4157                 proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_icmpred, tvb, optoff, len, field + 8, "%s (%s)", field + 8, str_to_str(field + 8, option242_avaya_icmpred_vals, "Unknown (%s)"));
4158         }
4159         else if((strncmp(field, "L2Q=", 4) == 0) && ( len > 4)) {
4160                 proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_l2q, tvb, optoff, len, field + 4, "%s (%s)", field + 4, str_to_str(field + 4, option242_avaya_l2q_vals, "Unknown (%s)"));
4161         }
4162         else if((strncmp(field, "L2QVLAN=", 8) == 0) && ( len > 8)) {
4163                 int32_t val = -1;
4164                 bool val_valid;
4165                 proto_item* pi;
4166
4167                 val_valid = ws_strtoi32(field + 8, NULL, &val);
4168                 pi = proto_tree_add_int(tree, hf_dhcp_option242_avaya_l2qvlan, tvb, optoff, len, val);
4169                 if (val_valid)
4170                         expert_add_info(pinfo, pi, &ei_dhcp_option242_avaya_l2qvlan_invalid);
4171         }
4172         else if((strncmp(field, "LOGLOCAL=", 9) == 0) && ( len > 9)) {
4173                 proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_loglocal, tvb, optoff, len, field + 9, "%s (%s)", field + 9, str_to_str(field + 9, option242_avaya_loglocal_vals, "Unknown (%s)"));
4174         }
4175         else if((strncmp(field, "PHY1STAT=", 9) == 0) && ( len > 9)) {
4176                 proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_phy1stat, tvb, optoff, len, field + 9, "%s (%s)", field + 9, str_to_str(field + 9, option242_avaya_phystat_vals, "Unknown (%s)"));
4177         }
4178         else if((strncmp(field, "PHY2STAT=", 9) == 0) && ( len > 9)) {
4179                 proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_phy2stat, tvb, optoff, len, field + 9, "%s (%s)", field + 9, str_to_str(field + 9, option242_avaya_phystat_vals, "Unknown (%s)"));
4180         }
4181         else if((strncmp(field, "PROCPSWD=", 9) == 0) && ( len > 9)) {
4182                 proto_tree_add_string(tree, hf_dhcp_option242_avaya_procpswd, tvb, optoff, len, field + 9);
4183         }
4184         else if((strncmp(field, "PROCSTAT=", 9) == 0) && ( len > 9)) {
4185                 proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_procstat, tvb, optoff, len, field + 9, "%s (%s)", field + 9, str_to_str(field + 9, option242_avaya_procstat_vals, "Unknown (%s)"));
4186         }
4187         else if((strncmp(field, "SNMPADD=", 8) == 0) && ( len > 8)) {
4188                 proto_tree_add_string(tree, hf_dhcp_option242_avaya_snmpadd, tvb, optoff, len, field + 8);
4189         }
4190         else if((strncmp(field, "SNMPSTRING=", 11) == 0) && ( len > 11)) {
4191                 proto_tree_add_string(tree, hf_dhcp_option242_avaya_snmpstring, tvb, optoff, len, field + 11);
4192         }
4193         else if((strncmp(field, "VLANTEST=", 9) == 0) && ( len > 9)) {
4194                 int32_t val = -1;
4195                 bool val_valid;
4196                 proto_item* pi;
4197
4198                 val_valid = ws_strtoi32(field + 9, NULL, &val);
4199                 pi = proto_tree_add_int(tree, hf_dhcp_option242_avaya_vlantest, tvb, optoff, len, val);
4200                 if (!val_valid)
4201                         expert_add_info(pinfo, pi, &ei_dhcp_option242_avaya_vlantest_invalid);
4202         }
4203         else {
4204                 expert_add_info_format(pinfo, vti, &ei_dhcp_subopt_unknown_type, "ERROR, Unknown Avaya IP Telephone parameter %s", field);
4205         }
4206 }
4207
4208 /* RFC3825Decoder:
4209  *
4210  * https://web.archive.org/web/20100312054301/http://www.enum.at/rfc3825encoder.529.0.html
4211  *
4212  * The code is no longer available.
4213  */
4214 static void
4215 rfc3825_lci_to_fixpoint(const unsigned char lci[16], struct rfc3825_location_fixpoint_t *fixpoint)
4216 {
4217         fixpoint->latitude_res = (lci[0]>>2) & 0x3F; /* make sure that right-shift does not copy sign bit */
4218         if (lci[0] & 2) { /* LSB<<1 contains the sign of the latitude */
4219                 /* Latitude is negative, expand two's complement */
4220                 fixpoint->latitude = (((int64_t)lci[0] & 3)<<32) | ((int64_t)lci[1]<<24) |
4221                                            ((int64_t)lci[2]<<16) | ((int64_t)lci[3]<<8)  |
4222                                             (int64_t)lci[4]     | ((int64_t)0x3FFFFFFF<<34);
4223
4224         } else {
4225                 /* Latitude is positive */
4226                 fixpoint->latitude = (((int64_t)lci[0] & 3)<<32) | ((int64_t)lci[1]<<24) |
4227                                            ((int64_t)lci[2]<<16) | ((int64_t)lci[3]<<8)  |
4228                                             (int64_t)lci[4];
4229         }
4230         fixpoint->longitude_res = (lci[5]>>2) & 0x3F;  /* make sure that right-shift does not copy sign bit */
4231         if (lci[5] & 2) { /* LSB<<1 contains the sign of the latitude */
4232                 /* Longitude is negative, expand two's complement */
4233                 fixpoint->longitude = (((int64_t)lci[5] & 3)<<32) | ((int64_t)lci[6]<<24) |
4234                                             ((int64_t)lci[7]<<16) | ((int64_t)lci[8]<<8)        |
4235                                              (int64_t)lci[9]     | ((int64_t)0x3FFFFFFF<<34);
4236
4237         } else {
4238                 /* Longitude is positive */
4239                 fixpoint->longitude = (((int64_t)lci[5] & 3)<<32) | ((int64_t)lci[6]<<24) |
4240                                             ((int64_t)lci[7]<<16) | ((int64_t)lci[8]<<8)        |
4241                                              (int64_t)lci[9];
4242         }
4243         fixpoint->altitude_type = (lci[10]>>4) & 0x0F;  /* make sure that right-shift does not copy sign bit */
4244         fixpoint->altitude_res  = ((lci[10] & 0x0F) << 2) | ((lci[11]>>6) & 0x03);
4245         if (lci[11] & 0x20) { /* LSB<<1 contains the sign of the latitude */
4246                 /* Altitude is negative, expand two's complement */
4247                 fixpoint->altitude = (((int32_t)lci[11] & 0x3F)<<24) | ((int32_t)lci[12]<<16) |
4248                                      ((int32_t)lci[13]<<8) | ((int32_t)lci[14]) |
4249                                       ((int32_t)0x03<<30);
4250
4251         } else {
4252                 /* Altitude is positive */
4253                 fixpoint->altitude = (((int32_t)lci[11] & 0x3F)<<24) | ((int32_t)lci[12]<<16) |
4254                                      ((int32_t)lci[13]<<8) | ((int32_t)lci[14]);
4255         }
4256
4257         fixpoint->datum_type = lci[15];
4258
4259 }
4260
4261 /* RFC3825Decoder:
4262  *
4263  * https://web.archive.org/web/20100312054301/http://www.enum.at/rfc3825encoder.529.0.html
4264  *
4265  * The code is no longer available.
4266  */
4267 static int
4268 rfc3825_fixpoint_to_decimal(struct rfc3825_location_fixpoint_t *fixpoint, struct rfc3825_location_decimal_t *decimal)
4269 {
4270         /* Latitude */
4271         decimal->latitude = (double) fixpoint->latitude / (1 << 25);
4272         if ((decimal->latitude > 90) || (decimal->latitude < -90)) {
4273                 return RFC3825_LATITUDE_OUTOFRANGE;
4274         }
4275
4276         /* Latitude Uncertainty */
4277         if (fixpoint->latitude_res > 34) {
4278                 return RFC3825_LATITUDE_UNCERTAINTY_OUTOFRANGE;
4279         }
4280         if (fixpoint->latitude_res > 8 ) {
4281                 decimal->latitude_res = (double) 1  / (UINT64_C(1) << (fixpoint->latitude_res - 8));
4282         } else {
4283                 decimal->latitude_res = (double) (UINT64_C(1) << (8 - fixpoint->latitude_res));
4284         }
4285
4286         /* Longitude */
4287         decimal->longitude = (double) fixpoint->longitude / (1 << 25);
4288         if ((decimal->longitude > 180) || (decimal->longitude < -180)) {
4289                 return RFC3825_LONGITUDE_OUTOFRANGE;
4290         }
4291
4292         /* Longitude Uncertainty */
4293         if (fixpoint->longitude_res > 34) {
4294                 return RFC3825_LONGITUDE_UNCERTAINTY_OUTOFRANGE;
4295         }
4296         if (fixpoint->longitude_res > 8 ) {
4297                 decimal->longitude_res = (double) 1 / (UINT64_C(1) << (fixpoint->longitude_res - 8));
4298         } else {
4299                 decimal->longitude_res = (double) (UINT64_C(1) << (8 - fixpoint->longitude_res));
4300         }
4301
4302         /* Altitude Type */
4303         decimal->altitude_type = fixpoint->altitude_type;
4304         decimal->altitude = 0;
4305         decimal->altitude_res = 0;
4306
4307         if (decimal->altitude_type == 0) { /* Unknown */
4308         } else if (decimal->altitude_type == 1) { /* Meters */
4309                 /* Altitude */
4310                 decimal->altitude = (double) fixpoint->altitude / (1 << 8);
4311                 if ((decimal->altitude > ((int32_t) 1<<21)-1) || (decimal->altitude < ((int32_t) -(1<<21))))
4312                         return RFC3825_ALTITUDE_OUTOFRANGE;
4313
4314                 /* Altitude Uncertainty */
4315                 if (fixpoint->altitude_res > 30) {
4316                         return RFC3825_ALTITUDE_UNCERTAINTY_OUTOFRANGE;
4317                 }
4318                 if (fixpoint->altitude_res > 21 ) {
4319                         decimal->altitude_res = (double) 1 / (UINT64_C(1) << (fixpoint->altitude_res - 21));
4320                 } else {
4321                         decimal->altitude_res = (double) (UINT64_C(1) << (21 - fixpoint->altitude_res));
4322                 }
4323         } else if (decimal->altitude_type == 2) { /* Floors */
4324                 /* Altitude */
4325                 if ((fixpoint->altitude_res != 30) && (fixpoint->altitude_res != 0)) {
4326                         return RFC3825_ALTITUDE_UNCERTAINTY_OUTOFRANGE;
4327                 }
4328                 decimal->altitude = (double) fixpoint->altitude / (1 << 8);
4329         } else { /* invalid type */
4330                 return RFC3825_ALTITUDE_TYPE_OUTOFRANGE;
4331         }
4332
4333         /* Datum Type */
4334         decimal->datum_type = 0;
4335         if ((fixpoint->datum_type > 3) || (fixpoint->datum_type < 1)) {
4336                 return RFC3825_DATUM_TYPE_OUTOFRANGE;
4337         }
4338         decimal->datum_type = fixpoint->datum_type;
4339
4340         return RFC3825_NOERROR;
4341 }
4342
4343 static int
4344 dissect_dhcpopt_isns(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
4345 {
4346         static int * const isns_functions_hf_flags[] = {
4347                 &hf_dhcp_option_isns_functions_enabled,
4348                 &hf_dhcp_option_isns_functions_dd_authorization,
4349                 &hf_dhcp_option_isns_functions_sec_policy_distibution,
4350                 &hf_dhcp_option_isns_functions_reserved,
4351                 NULL
4352         };
4353
4354         static int * const isns_dda_hf_flags[] = {
4355                 &hf_dhcp_option_isns_discovery_domain_access_enabled,
4356                 &hf_dhcp_option_isns_discovery_domain_access_control_node,
4357                 &hf_dhcp_option_isns_discovery_domain_access_iscsi_target,
4358                 &hf_dhcp_option_isns_discovery_domain_access_iscsi_inititator,
4359                 &hf_dhcp_option_isns_discovery_domain_access_ifcp_target_port,
4360                 &hf_dhcp_option_isns_discovery_domain_access_ifcp_initiator_port,
4361                 &hf_dhcp_option_isns_discovery_domain_access_reserved,
4362                 NULL
4363         };
4364
4365         static int * const isns_administrative_flags[] = {
4366                 &hf_dhcp_option_isns_administrative_flags_enabled,
4367                 &hf_dhcp_option_isns_administrative_flags_heartbeat,
4368                 &hf_dhcp_option_isns_administrative_flags_management_scns,
4369                 &hf_dhcp_option_isns_administrative_flags_default_dd,
4370                 &hf_dhcp_option_isns_administrative_flags_reserved,
4371                 NULL
4372         };
4373
4374         static int * const isns_server_security_flags[] = {
4375                 &hf_dhcp_option_isns_server_security_bitmap_enabled,
4376                 &hf_dhcp_option_isns_server_security_bitmap_ike_ipsec_enabled,
4377                 &hf_dhcp_option_isns_server_security_bitmap_main_mode,
4378                 &hf_dhcp_option_isns_server_security_bitmap_aggressive_mode,
4379                 &hf_dhcp_option_isns_server_security_bitmap_pfs,
4380                 &hf_dhcp_option_isns_server_security_bitmap_transport_mode,
4381                 &hf_dhcp_option_isns_server_security_bitmap_tunnel_mode,
4382                 &hf_dhcp_option_isns_server_security_bitmap_reserved,
4383                 NULL
4384         };
4385
4386         uint16_t function_flags, dd_access_flags, administrative_flags;
4387         uint32_t server_security_flags;
4388         proto_tree *server_tree;
4389         proto_item *item;
4390         int length = tvb_reported_length(tvb);
4391         int offset = 0, heartbeat_set = 0;
4392
4393         if (length < 14) {
4394                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be >= 14");
4395                 return 1;
4396         }
4397
4398         item = proto_tree_add_bitmask(tree, tvb, offset, hf_dhcp_option_isns_functions,
4399                                       ett_dhcp_isns_functions, isns_functions_hf_flags, ENC_BIG_ENDIAN);
4400         function_flags = tvb_get_ntohs(tvb, offset);
4401         /* RFC 4174, section "2.1. iSNS Functions Field" specifies that if
4402          * the field "Function Fields Enabled" is set to 0, then "the contents
4403          * of all other iSNS Function fields MUST be ignored. We will display
4404          * the fields but add an informational expert info. This goes for all
4405          * the bitmasks: iSNS Functions, DD Access, Administrative Flags, iSNS
4406          * Server Security Bitmap */
4407         if (ISNS_BITFIELD_NZ_MUST_BE_IGNORED(function_flags, F_ISNS_FUNCTIONS_ENABLED))
4408                 expert_add_info(pinfo, item, &ei_dhcp_option_isns_ignored_bitfield);
4409
4410         offset += 2;
4411         item = proto_tree_add_bitmask(tree, tvb, offset, hf_dhcp_option_isns_discovery_domain_access,
4412                                       ett_dhcp_isns_discovery_domain_access, isns_dda_hf_flags, ENC_BIG_ENDIAN);
4413         dd_access_flags = tvb_get_ntohs(tvb, offset);
4414         if (ISNS_BITFIELD_NZ_MUST_BE_IGNORED(dd_access_flags, F_ISNS_DD_ACCESS_ENABLED))
4415                 expert_add_info(pinfo, item, &ei_dhcp_option_isns_ignored_bitfield);
4416
4417         offset += 2;
4418         administrative_flags = tvb_get_ntohs(tvb, offset);
4419         if (administrative_flags & F_ISNS_ADMIN_FLAGS_ENABLED) {
4420                 if ((administrative_flags & F_ISNS_ADMIN_FLAGS_HEARTBEAT)) {
4421                         if (length < 18) {
4422                                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be >= 18");
4423                                 return offset;
4424                         }
4425                         heartbeat_set = 1;
4426                 }
4427         }
4428         item = proto_tree_add_bitmask(tree, tvb, offset, hf_dhcp_option_isns_administrative_flags,
4429                                       ett_dhcp_isns_administrative_flags, isns_administrative_flags, ENC_BIG_ENDIAN);
4430         if (ISNS_BITFIELD_NZ_MUST_BE_IGNORED(administrative_flags, F_ISNS_ADMIN_FLAGS_ENABLED))
4431                 expert_add_info(pinfo, item, &ei_dhcp_option_isns_ignored_bitfield);
4432
4433         offset += 2;
4434         item = proto_tree_add_bitmask(tree, tvb, offset, hf_dhcp_option_isns_server_security_bitmap,
4435                                       ett_dhcp_isns_server_security_bitmap, isns_server_security_flags, ENC_BIG_ENDIAN);
4436         server_security_flags = tvb_get_ntohl(tvb, offset);
4437         if (ISNS_BITFIELD_NZ_MUST_BE_IGNORED(server_security_flags, F_ISNS_SRV_SEC_BITMAP_ENABLED))
4438                 expert_add_info(pinfo, item, &ei_dhcp_option_isns_ignored_bitfield);
4439
4440         offset += 4;
4441         if (heartbeat_set) {
4442                 proto_tree_add_item(tree, hf_dhcp_option_isns_heartbeat_originator_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
4443                 offset += 4;
4444         }
4445
4446         proto_tree_add_item(tree, hf_dhcp_option_isns_primary_server_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
4447
4448         offset += 4;
4449         if (tvb_reported_length_remaining(tvb, offset) > 0) {
4450                 server_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_dhcp_isns_secondary_server_addr,
4451                                                 &item, "Secondary iSNS Servers");
4452                 dhcp_handle_basic_types(pinfo, server_tree, item, tvb, ipv4_list, offset, tvb_reported_length_remaining(tvb, offset),
4453                                                    &hf_dhcp_option_isns_secondary_server_addr_list, NULL);
4454         }
4455
4456         return tvb_captured_length(tvb);
4457 }
4458
4459 static const value_string option43_cl_suboption_vals[] = {
4460         {  0, "Padding" },
4461         {  1, "Suboption Request List" },
4462         {  2, "Device Type" },
4463         {  3, "eSAFE Types" },
4464         {  4, "Serial Number" },
4465         {  5, "Hardware Version" },
4466         {  6, "Software Version" },
4467         {  7, "Boot ROM version" },
4468         {  8, "Organizationally Unique Identifier" },
4469         {  9, "Model Number" },
4470         { 10, "Vendor Name" },
4471         { 11, "Address Realm" },
4472         { 12, "CM/PS System Description" },
4473         { 13, "CM/PS Firmware Revision" },
4474         { 14, "Firewall Policy File Version" },
4475         { 15, "eSafe Config File Devices" },
4476         { 18, "Video Security Type" },
4477         { 31, "MTA MAC Address" },
4478         { 32, "Correlation ID" },
4479         { 51, "Vendor Name" },
4480         { 52, "CableCARD Capability" },
4481         { 53, "Device Identification (CA)" },
4482         { 54, "Device Identification (X.509)" },
4483         { 179, "LCM Server" },
4484         { 180, "LCM Domain" },
4485         { 181, "LCM NIC option 0" },
4486         { 190, "LCM Workgroup" },
4487         { 191, "Discovery" },
4488         { 192, "HH Configured" },
4489         { 193, "LCM Version" },
4490         { 194, "LCM Serial Number" },
4491         { 255, "CL End" },
4492         { 0, NULL}
4493 };
4494
4495 static const value_string cablehome_subopt11_vals[] = {
4496         { 1, "PS WAN-Man" },
4497         { 2, "PS WAN-Data" },
4498         { 0, NULL }
4499 };
4500
4501 static int
4502 dissect_vendor_cablelabs_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree,
4503                                    tvbuff_t *tvb, int optoff, int optend)
4504 {
4505         int         suboptoff = optoff;
4506         uint8_t     subopt;
4507         uint8_t     subopt_len;
4508         proto_tree *o43cl_v_tree;
4509         proto_item *vti;
4510
4511         static const struct basic_types_hfs default_hfs = {
4512                 &hf_dhcp_option43_value,
4513                 NULL,
4514                 NULL,
4515                 &hf_dhcp_option43_value_stringz,
4516                 NULL,
4517                 &hf_dhcp_option43_value_8,
4518                 NULL,
4519                 NULL,
4520                 &hf_dhcp_option43_value_32,
4521                 NULL,
4522                 NULL
4523         };
4524
4525         static const struct opt_info o43cablelabs_opt[]= {
4526                 /*  0 */ {"nop", special, &hf_dhcp_option43_cl_padding},        /* dummy */
4527                 /*  1 */ {"Suboption Request List", string, &hf_dhcp_option43_cl_suboption_request_list},
4528                 /*  2 */ {"Device Type", string, &hf_dhcp_option43_cl_device_type},
4529                 /*  3 */ {"eSAFE Types", string, &hf_dhcp_option43_cl_esafe_type},
4530                 /*  4 */ {"Serial Number", string, &hf_dhcp_option43_cl_serial_number},
4531                 /*  5 */ {"Hardware Version", string, &hf_dhcp_option43_cl_hardware_version},
4532                 /*  6 */ {"Software Version", string, &hf_dhcp_option43_cl_software_version},
4533                 /*  7 */ {"Boot ROM version", string, &hf_dhcp_option43_cl_boot_rom_version},
4534                 /*  8 */ {"Organizationally Unique Identifier", special, &hf_dhcp_option43_cl_oui_bytes},
4535                 /*  9 */ {"Model Number", string, &hf_dhcp_option43_cl_model_number},
4536                 /* 10 */ {"Vendor Name", string, &hf_dhcp_option43_cl_vendor_name10},
4537                 /* *** 11-30: CableHome *** */
4538                 /* 11 */ {"Address Realm", val_u_byte, &hf_dhcp_option43_cl_address_realm},
4539                 /* 12 */ {"CM/PS System Description", string, &hf_dhcp_option43_cl_cm_ps_system_desc},
4540                 /* 13 */ {"CM/PS Firmware Revision", string, &hf_dhcp_option43_cl_cm_ps_firmware_revision},
4541                 /* 14 */ {"Firewall Policy File Version", string, &hf_dhcp_option43_cl_firewall_policy_file_version},
4542                 /* 15 */ {"eSafe Config File Devices", string, &hf_dhcp_option43_cl_esafe_config_file_devices},
4543                 /* 16 */ {"Unassigned (CableHome)", special, NULL},
4544                 /* 17 */ {"Unassigned (CableHome)", special, NULL},
4545                 /* 18 */ {"Video Security Type", string, &hf_dhcp_option43_cl_video_security_tape},
4546                 /* 19 */ {"Unassigned (CableHome)", special, NULL},
4547                 /* 20 */ {"Unassigned (CableHome)", special, NULL},
4548                 /* 21 */ {"Unassigned (CableHome)", special, NULL},
4549                 /* 22 */ {"Unassigned (CableHome)", special, NULL},
4550                 /* 23 */ {"Unassigned (CableHome)", special, NULL},
4551                 /* 24 */ {"Unassigned (CableHome)", special, NULL},
4552                 /* 25 */ {"Unassigned (CableHome)", special, NULL},
4553                 /* 26 */ {"Unassigned (CableHome)", special, NULL},
4554                 /* 27 */ {"Unassigned (CableHome)", special, NULL},
4555                 /* 28 */ {"Unassigned (CableHome)", special, NULL},
4556                 /* 29 */ {"Unassigned (CableHome)", special, NULL},
4557                 /* 30 */ {"Unassigned (CableHome)", special, NULL},
4558                 /* *** 31-50: PacketCable *** */
4559                 /* 31 */ {"MTA MAC Address", special, &hf_dhcp_option43_cl_mta_mac_address},
4560                 /* 32 */ {"Correlation ID", val_u_long, &hf_dhcp_option43_cl_correlation_ID},
4561                 /* 33 */ {"Unassigned (PacketCable)", special, NULL},
4562                 /* 34 */ {"Unassigned (PacketCable)", special, NULL},
4563                 /* 35 */ {"Unassigned (PacketCable)", special, NULL},
4564                 /* 36 */ {"Unassigned (PacketCable)", special, NULL},
4565                 /* 37 */ {"Unassigned (PacketCable)", special, NULL},
4566                 /* 38 */ {"Unassigned (PacketCable)", special, NULL},
4567                 /* 39 */ {"Unassigned (PacketCable)", special, NULL},
4568                 /* 40 */ {"Unassigned (PacketCable)", special, NULL},
4569                 /* 41 */ {"Unassigned (PacketCable)", special, NULL},
4570                 /* 42 */ {"Unassigned (PacketCable)", special, NULL},
4571                 /* 43 */ {"Unassigned (PacketCable)", special, NULL},
4572                 /* 44 */ {"Unassigned (PacketCable)", special, NULL},
4573                 /* 45 */ {"Unassigned (PacketCable)", special, NULL},
4574                 /* 46 */ {"Unassigned (PacketCable)", special, NULL},
4575                 /* 47 */ {"Unassigned (PacketCable)", special, NULL},
4576                 /* 48 */ {"Unassigned (PacketCable)", special, NULL},
4577                 /* 49 */ {"Unassigned (PacketCable)", special, NULL},
4578                 /* 50 */ {"Unassigned (PacketCable)", special, NULL},
4579                 /* *** 51-127: CableLabs *** */
4580                 /* 51 */ {"Vendor Name", string, &hf_dhcp_option43_cl_vendor_name51},
4581                 /* 52 */ {"CableCARD Capability", special, &hf_dhcp_option43_cl_cablecard_capability},
4582                 /* 53 */ {"Device Identification (CA)", special, &hf_dhcp_option43_cl_device_id_ca},
4583                 /* 54 */ {"Device Identification (X.509)", string, &hf_dhcp_option43_cl_device_id_x509},
4584                 /* 55 */ {"Unassigned (CableLabs)", special, NULL},
4585                 /* *** 128-254: Vendors *** */
4586                 /* 128-254 {"Unassigned (Vendors)", special, NULL}, */
4587                 /* 255 {"end options", special, &hf_dhcp_option43_cl_end} */
4588         };
4589
4590         subopt = tvb_get_uint8(tvb, optoff);
4591         suboptoff++;
4592
4593         if (subopt == 0) {
4594                 proto_tree_add_item(v_tree, hf_dhcp_option43_cl_padding, tvb, optoff, 1, ENC_BIG_ENDIAN);
4595                 return (suboptoff);
4596         } else if (subopt == 255) {     /* End Option */
4597                 proto_tree_add_item(v_tree, hf_dhcp_option43_cl_end, tvb, optoff, 1, ENC_BIG_ENDIAN);
4598                 /* Make sure we skip any junk left this option */
4599                 return (optend);
4600         }
4601
4602         if (suboptoff >= optend) {
4603                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
4604                                                                         "Suboption %d: no room left in option for suboption length", subopt);
4605                 return (optend);
4606         }
4607
4608         subopt_len = tvb_get_uint8(tvb, suboptoff);
4609         vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_cl_suboption,
4610                                 tvb, optoff, subopt_len+2, subopt, "(%d) %s",
4611                                 subopt, val_to_str_const(subopt, option43_cl_suboption_vals, "Unknown"));
4612
4613         o43cl_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption);
4614         proto_tree_add_item(o43cl_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
4615         suboptoff++;
4616
4617         if (suboptoff+subopt_len > optend) {
4618                 expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value,
4619                                                 "Suboption %d: no room left in option for suboption value", subopt);
4620                 return (optend);
4621         }
4622
4623         if ( (subopt < 1 ) || (subopt >= array_length(o43cablelabs_opt)) ) {
4624                 proto_tree_add_item(o43cl_v_tree, hf_dhcp_option43_value, tvb, suboptoff, subopt_len, ENC_NA);
4625         } else if (o43cablelabs_opt[subopt].ftype == special) {
4626                 switch(subopt)
4627                 {
4628                 case 8:/* OUI */
4629                         /* CableLabs specs treat 43.8 inconsistently
4630                          * as either binary (3b) or string (6b) */
4631                         if (subopt_len == 3) {
4632                                 proto_tree_add_bytes_format_value(o43cl_v_tree, hf_dhcp_option43_cl_oui_bytes, tvb, suboptoff, subopt_len, NULL,
4633                                         "%02x:%02x:%02x", tvb_get_uint8(tvb, suboptoff), tvb_get_uint8(tvb, suboptoff+1), tvb_get_uint8(tvb, suboptoff+2));
4634                         } else if (subopt_len == 6) {
4635                                 proto_tree_add_item(o43cl_v_tree, hf_dhcp_option43_cl_oui_string, tvb, suboptoff, subopt_len, ENC_ASCII);
4636                         } else {
4637                                 expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 3 or 6");
4638                         }
4639                         break;
4640                 case 31: /* MTA MAC address */
4641                         if (subopt_len != 6) {
4642                                 expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 6");
4643                                 break;
4644                         }
4645
4646                         proto_tree_add_item(o43cl_v_tree, hf_dhcp_option43_cl_mta_mac_address, tvb, suboptoff, 6, ENC_NA);
4647                         break;
4648                 default:
4649                         if (o43cablelabs_opt[subopt].phf != NULL)
4650                                 proto_tree_add_item(o43cl_v_tree, *o43cablelabs_opt[subopt].phf, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
4651                         else
4652                                 proto_tree_add_item(o43cl_v_tree, hf_dhcp_option43_value, tvb, suboptoff, subopt_len, ENC_NA);
4653                 }
4654         }
4655         else {
4656                 if (dhcp_handle_basic_types(pinfo, o43cl_v_tree, vti, tvb, o43cablelabs_opt[subopt].ftype,
4657                                                         suboptoff, subopt_len, o43cablelabs_opt[subopt].phf, &default_hfs) == 0) {
4658                         expert_add_info_format(pinfo, vti, &ei_dhcp_subopt_unknown_type, "ERROR, please report: Unknown subopt type handler %d", subopt);
4659                 }
4660         }
4661
4662         optoff += (subopt_len + 2);
4663         return optoff;
4664 }
4665
4666 static bool
4667 dissect_cablelabs_vendor_info_heur( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
4668 {
4669         int offset = 0;
4670         dhcp_option_data_t *option_data = (dhcp_option_data_t*)data;
4671         proto_tree* vendor_tree;
4672
4673         /* Vendor Class IDs
4674          * DOCSIS - docsis
4675          * CableHome - CableHome
4676          * OpenCable2.0 - OpenCable2.0
4677          * PacketCable - pktc
4678          * DEMARC - DEMARC
4679          * sRouter - SROUTER
4680          * Remote PHY - RPD
4681          * eDOCSIS - PTA or ECM
4682          * OpenCable TRIF - TR
4683          */
4684
4685         if ((option_data->vendor_class_id != NULL) &&
4686                 ((strncmp((const char*)option_data->vendor_class_id, "pktc", strlen("pktc")) == 0) ||
4687                  (strncmp((const char*)option_data->vendor_class_id, "docsis", strlen("docsis")) == 0) ||
4688                  (strncmp((const char*)option_data->vendor_class_id, "OpenCable2.0", strlen("OpenCable2.0")) == 0) ||
4689                  (strncmp((const char*)option_data->vendor_class_id, "CableHome", strlen("CableHome")) == 0) ||
4690                  (strncmp((const char*)option_data->vendor_class_id, "RPD", strlen("RPD")) == 0) ||
4691                  (strncmp((const char*)option_data->vendor_class_id, "RMD", strlen("RMD")) == 0) ||
4692                  (strncmp((const char*)option_data->vendor_class_id, "ECM", strlen("ECM")) == 0) ||
4693                  (strncmp((const char*)option_data->vendor_class_id, "PTA", strlen("PTA")) == 0) ||
4694                  (strncmp((const char*)option_data->vendor_class_id, "DEMARC", strlen("DEMARC")) == 0) ||
4695                  (strncmp((const char*)option_data->vendor_class_id, "TR", strlen("TR")) == 0) ||
4696                  (strncmp((const char*)option_data->vendor_class_id, "SROUTER", strlen("SROUTER")) == 0))) {
4697                 /* CableLabs standard - see www.cablelabs.com/projects */
4698                 proto_item_append_text(tree, " (CableLabs)");
4699                 vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option);
4700
4701                 while (tvb_reported_length_remaining(tvb, offset) > 0) {
4702                         offset = dissect_vendor_cablelabs_suboption(pinfo, tree, vendor_tree,
4703                                 tvb, offset, tvb_reported_length(tvb));
4704                 }
4705                 return true;
4706         }
4707
4708         return false;
4709 }
4710
4711 static bool
4712 dissect_aruba_ap_vendor_info_heur( tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data)
4713 {
4714         int offset = 0;
4715         dhcp_option_data_t *option_data = (dhcp_option_data_t*)data;
4716         proto_tree* vendor_tree;
4717
4718         if ((option_data->vendor_class_id == NULL) ||
4719                 (strncmp((const char*)option_data->vendor_class_id, ARUBA_AP, strlen(ARUBA_AP)) != 0))
4720                 return false;
4721
4722         proto_item_append_text(tree, " (Aruba AP)");
4723         vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option);
4724
4725         proto_tree_add_item(vendor_tree, hf_dhcp_option43_arubaap_controllerip, tvb, offset, tvb_reported_length(tvb), ENC_ASCII);
4726         return true;
4727 }
4728
4729 static bool
4730 dissect_aruba_instant_ap_vendor_info_heur( tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data)
4731 {
4732         int offset = 0;
4733         int reported_len = tvb_reported_length(tvb);
4734         dhcp_option_data_t *option_data = (dhcp_option_data_t*)data;
4735         proto_tree* vendor_tree;
4736         proto_item* vendor_item;
4737         int32_t nameorglen, ampiplen;
4738
4739         /* Aruba  Instant AP */
4740         if ((option_data->vendor_class_id == NULL) ||
4741                 (strncmp((const char*)option_data->vendor_class_id, ARUBA_INSTANT_AP, strlen(ARUBA_INSTANT_AP)) != 0))
4742                 return false;
4743
4744         proto_item_append_text(tree, " (Aruba Instant AP)");
4745
4746         vendor_item = proto_tree_add_item(tree, hf_dhcp_option43_arubaiap, tvb, offset, reported_len, ENC_ASCII);
4747         vendor_tree = proto_item_add_subtree(vendor_item, ett_dhcp_option43_suboption);
4748         nameorglen = tvb_find_uint8(tvb, offset, tvb_reported_length(tvb), ',');
4749         proto_tree_add_item(vendor_tree, hf_dhcp_option43_arubaiap_nameorg, tvb, offset, nameorglen, ENC_ASCII);
4750         offset += (nameorglen+1);
4751         ampiplen = tvb_find_uint8(tvb, offset, reported_len-nameorglen-1, ',') - offset;
4752         proto_tree_add_item(vendor_tree, hf_dhcp_option43_arubaiap_ampip, tvb, offset, ampiplen, ENC_ASCII);
4753         offset += (ampiplen+1);
4754         proto_tree_add_item(vendor_tree, hf_dhcp_option43_arubaiap_password, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII);
4755
4756         return true;
4757 }
4758
4759 static const value_string option43_bsdp_suboption_vals[] = {
4760         {  0, "Pad" },
4761         {  1, "Message Type" },
4762         {  2, "Version" },
4763         {  3, "Server Identifier" },
4764         {  4, "Server Priority" },
4765         {  5, "Reply Port" },
4766         {  6, "Boot Image List Path" },
4767         {  7, "Default Boot Image" },
4768         {  8, "Selected Boot Image" },
4769         {  9, "Boot Image List" },
4770         { 10, "NetBoot 1.0 Firmware" },
4771         { 11, "Boot Image Attributes Filter List" },
4772         { 12, "Maximum Message Size" },
4773         { 255, "End" },
4774         { 0, NULL}
4775 };
4776
4777 static void
4778 dissect_vendor_bsdp_boot_image(proto_tree *v_tree, tvbuff_t *tvb, int optoff)
4779 {
4780         static int * const dhcp_o43_bsdp_attributes_flags[] = {
4781                 &hf_dhcp_option43_bsdp_boot_image_attribute_install,
4782                 &hf_dhcp_option43_bsdp_boot_image_attribute_kind,
4783                 &hf_dhcp_option43_bsdp_boot_image_attribute_reserved,
4784                 NULL
4785         };
4786
4787         proto_tree_add_bitmask(v_tree, tvb, optoff, hf_dhcp_option43_bsdp_boot_image_attribute, ett_dhcp_o43_bsdp_attributes_flags, dhcp_o43_bsdp_attributes_flags, ENC_NA);
4788 }
4789
4790 static int
4791 dissect_vendor_bsdp_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree,
4792                                    tvbuff_t *tvb, int optoff, int optend)
4793 {
4794         int      suboptoff = optoff;
4795         int         attributes_off;
4796         uint8_t     subopt, string_len;
4797         uint8_t     subopt_len, attributes_len;
4798         unsigned    item_len;
4799         proto_tree *o43bsdp_v_tree, *o43bsdp_va_tree, *o43bsdp_vb_tree, *o43bsdp_vc_tree, *o43bsdp_vd_tree;
4800         proto_item *vti, *ti, *tj;
4801
4802         subopt = tvb_get_uint8(tvb, optoff);
4803         suboptoff++;
4804
4805         if (subopt == 0 || subopt == 255) {
4806                 /* Pad (0) and End (255) have implicit length of 1. */
4807                 item_len = 1;
4808         } else if (suboptoff >= optend) {
4809                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
4810                                                                         "Suboption %d: no room left in option for suboption length", subopt);
4811                 return (optend);
4812         } else {
4813                 subopt_len = tvb_get_uint8(tvb, suboptoff);
4814                 item_len = subopt_len + 2;
4815         }
4816
4817         vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_bsdp_suboption,
4818                                 tvb, optoff, item_len, subopt, "(%d) %s",
4819                                 subopt, val_to_str_const(subopt, option43_bsdp_suboption_vals, "Unknown"));
4820         if (item_len == 1) {
4821                 return (optoff + 1);
4822         }
4823
4824         o43bsdp_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption);
4825         proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
4826         suboptoff++;
4827
4828         if (suboptoff+subopt_len > optend) {
4829                 expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value,
4830                                                 "Suboption %d: no room left in option for suboption value", subopt);
4831                 return (optend);
4832         }
4833
4834         switch(subopt)
4835         {
4836                 case 1:
4837                         proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_message_type, tvb, suboptoff, subopt_len, ENC_ASCII|ENC_NA);
4838                         break;
4839                 case 2:
4840                         proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_version, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
4841                         break;
4842                 case 3:
4843                         proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_server_identifier, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
4844                         break;
4845                 case 4:
4846                         proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_server_priority, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
4847                         break;
4848                 case 5:
4849                         proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_reply_port, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
4850                         break;
4851                 case 6:
4852                         proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_boot_image_list_path, tvb, suboptoff, subopt_len, ENC_ASCII);
4853                         break;
4854                 case 7:
4855                         ti = proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_default_boot_image_id, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN|ENC_NA);
4856                         o43bsdp_va_tree = proto_item_add_subtree(ti, ett_dhcp_o43_bsdp_boot_image);
4857                         dissect_vendor_bsdp_boot_image(o43bsdp_va_tree, tvb, suboptoff);
4858                         proto_tree_add_item(o43bsdp_va_tree, hf_dhcp_option43_bsdp_boot_image_index, tvb, suboptoff+2, subopt_len-2, ENC_BIG_ENDIAN|ENC_NA);
4859                         break;
4860                 case 8:
4861                         ti = proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_selected_boot_image_id, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN|ENC_NA);
4862                         o43bsdp_vc_tree = proto_item_add_subtree(ti, ett_dhcp_o43_bsdp_boot_image);
4863                         dissect_vendor_bsdp_boot_image(o43bsdp_vc_tree, tvb, suboptoff);
4864                         proto_tree_add_item(o43bsdp_vc_tree, hf_dhcp_option43_bsdp_boot_image_index, tvb, suboptoff+2, subopt_len-2, ENC_BIG_ENDIAN|ENC_NA);
4865                         break;
4866                 case 9:
4867                         ti = proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_boot_image_list, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN|ENC_NA);
4868                         attributes_len = subopt_len;
4869                         attributes_off = suboptoff;
4870                         o43bsdp_vd_tree = proto_item_add_subtree(ti, ett_dhcp_o43_bsdp_image_desc_list);
4871                         while (attributes_len >= 5) {
4872                                 string_len = tvb_get_uint8(tvb, attributes_off+4);
4873                                 if (string_len > 0) {
4874                                         tj = proto_tree_add_item(o43bsdp_vd_tree, hf_dhcp_option43_bsdp_image_desc, tvb, attributes_off, string_len+5, ENC_BIG_ENDIAN|ENC_NA);
4875                                         o43bsdp_vb_tree = proto_item_add_subtree(tj, ett_dhcp_o43_bsdp_image_desc);
4876                                         dissect_vendor_bsdp_boot_image(o43bsdp_vb_tree, tvb, attributes_off);
4877                                         proto_tree_add_item(o43bsdp_vb_tree, hf_dhcp_option43_bsdp_boot_image_index, tvb, attributes_off+2, 2, ENC_BIG_ENDIAN|ENC_NA);
4878                                         proto_tree_add_item(o43bsdp_vb_tree, hf_dhcp_option43_bsdp_boot_image_name_len, tvb, attributes_off+4, 1, ENC_BIG_ENDIAN|ENC_NA);
4879                                         proto_tree_add_item(o43bsdp_vb_tree, hf_dhcp_option43_bsdp_boot_image_name, tvb, attributes_off+5, string_len, ENC_UTF_8);
4880                                 }
4881                                 attributes_off += 5 + string_len;
4882                                 attributes_len -= 5 + string_len;
4883                         }
4884                         break;
4885                 case 10:
4886                         proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_netboot_firmware, tvb, suboptoff, subopt_len, ENC_NA);
4887                         break;
4888                 case 11:
4889                         ti = proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_attributes_filter_list, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN|ENC_NA);
4890                         attributes_len = subopt_len;
4891                         attributes_off = suboptoff;
4892                         o43bsdp_va_tree = proto_item_add_subtree(ti, ett_dhcp_o43_bsdp_attributes);
4893                         while (attributes_len >= 2) {
4894                                 dissect_vendor_bsdp_boot_image(o43bsdp_va_tree, tvb, attributes_off);
4895                                 attributes_off+=2;
4896                                 attributes_len-=2;
4897                         }
4898                         break;
4899                 case 12:
4900                         proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_message_size, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN|ENC_NA);
4901                         break;
4902         }
4903
4904         optoff += item_len;
4905         return optoff;
4906 }
4907
4908 static bool
4909 dissect_apple_bsdp_vendor_info_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
4910 {
4911         int offset = 0;
4912         dhcp_option_data_t *option_data = (dhcp_option_data_t*)data;
4913         proto_tree* vendor_tree;
4914
4915         if ((option_data->vendor_class_id == NULL) ||
4916                 (strncmp((const char*)option_data->vendor_class_id, APPLE_BSDP_SERVER, strlen(APPLE_BSDP_SERVER)) != 0))
4917                 return false;
4918
4919         /* Apple BSDP */
4920         proto_item_append_text(tree, " (Boot Server Discovery Protocol (BSDP))");
4921         vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option);
4922
4923         while (tvb_reported_length_remaining(tvb, offset) > 0) {
4924                 offset = dissect_vendor_bsdp_suboption(pinfo, tree, vendor_tree,
4925                         tvb, offset, tvb_reported_length(tvb));
4926         }
4927
4928         return true;
4929 }
4930
4931 /* Cisco Vendor Specific Information */
4932
4933 /*
4934         {  1, "1" },            * D,R: 03 *
4935         {  2, "2" },            * D,R: 01 *
4936         {  3, "3" },            * D,R: 00 01 # O,A: 00 02 *
4937         {  4, "Node ID" },      * O,A: 00 00 00 ca *
4938         {  5, "5" },            * O,A: 01 *
4939         {  6, "6" },            * D,R: 01 # O,A: 01 *
4940         {  7, "Model" },        * D,R: N9K-C9336PQ *
4941         {  8, "APIC UUID" },    * O,A: 09bced36-69f1-11e6-96ce-8baf09371338 *
4942         {  9, "Fabricname" },   * O,A: ams-fab1 *
4943         { 10, "10" },           * D,R: 00 00 00 01 *
4944         { 11, "SerialNo" },     * D,R: SAL1926J4QW *
4945         { 12, "Client Int" },   * D,O: eth1/20.20 # R,A: eth1/20.20 *
4946 */
4947 static const value_string option43_cisco_suboption_vals[] = {
4948         {  1, "Unk-1 (Node role?)" },           /* uint8 */
4949         {  2, "Unk-2 (Spine level?)" },         /* uint8 */
4950         {  3, "Unk-3 (Pod ID?)" },              /* uint16 */
4951         {  4, "Node ID" },                      /* uint32 */
4952         {  5, "Unk-5" },                        /* uint8 */
4953         {  6, "Unk-6" },                        /* uint8 */
4954         {  7, "Model" },                        /* String */
4955         {  8, "APIC UUID" },                    /* String */
4956         {  9, "Fabricname" },                   /* String */
4957         { 10, "Unk-10" },                       /* uint32 */
4958         { 11, "SerialNo" },                     /* String */
4959         { 12, "Interfacename" },                /* String */
4960
4961         { 0, NULL}
4962 };
4963
4964 static int
4965 dissect_vendor_cisco_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree,
4966                                    tvbuff_t *tvb, int optoff, int optend)
4967 {
4968         int         suboptoff = optoff;
4969         uint8_t     subopt;
4970         uint8_t     subopt_len;
4971         unsigned    item_len;
4972         proto_tree *o43cisco_v_tree;
4973         proto_item *vti;
4974
4975         subopt = tvb_get_uint8(tvb, optoff);
4976         suboptoff++;
4977
4978         if (suboptoff >= optend) {
4979                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
4980                                                                         "Suboption %d: No room left in option for suboption length", subopt);
4981                 return (optend);
4982         } else {
4983                 subopt_len = tvb_get_uint8(tvb, suboptoff);
4984                 item_len = subopt_len + 2;
4985         }
4986
4987         vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_cisco_suboption,
4988                                 tvb, optoff, item_len, subopt, "(%d) %s",
4989                                 subopt, val_to_str_const(subopt, option43_cisco_suboption_vals, "Unknown"));
4990
4991         o43cisco_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption);
4992         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
4993         suboptoff++;
4994
4995         if (suboptoff+subopt_len > optend) {
4996                 expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value,
4997                                                 "Suboption %d: Not sufficient room left in option for suboption value", subopt);
4998                 return (optend);
4999         }
5000
5001         switch(subopt)
5002         {
5003                 case 1:
5004                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown1, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
5005                         break;
5006                 case 2:
5007                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown2, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
5008                         break;
5009                 case 3:
5010                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown3, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
5011                         break;
5012                 case 4:
5013                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_nodeid, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
5014                         break;
5015                 case 5:
5016                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown5, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
5017                         break;
5018                 case 6:
5019                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown6, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
5020                         break;
5021                 case 7:
5022                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_model, tvb, suboptoff, subopt_len, ENC_ASCII);
5023                         break;
5024                 case 8:
5025                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_apicuuid, tvb, suboptoff, subopt_len, ENC_ASCII);
5026                         break;
5027                 case 9:
5028                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_fabricname, tvb, suboptoff, subopt_len, ENC_ASCII);
5029                         break;
5030                 case 10:
5031                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown10, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
5032                         break;
5033                 case 11:
5034                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_serialno, tvb, suboptoff, subopt_len, ENC_ASCII);
5035                         break;
5036                 case 12:
5037                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_clientint, tvb, suboptoff, subopt_len, ENC_ASCII);
5038                         break;
5039                 default:
5040                         proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown, tvb, suboptoff, subopt_len, ENC_NA);
5041         }
5042
5043         optoff += item_len;
5044         return optoff;
5045 }
5046
5047 static bool
5048 dissect_cisco_vendor_info_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
5049 {
5050         int offset = 0;
5051         dhcp_option_data_t *option_data = (dhcp_option_data_t*)data;
5052         proto_tree* vendor_tree;
5053
5054         if ((option_data->vendor_class_id == NULL) ||
5055                 (strncmp((const char*)option_data->vendor_class_id, CISCO_VCID, strlen(CISCO_VCID)) != 0))
5056                 return false;
5057
5058         /* Cisco ACI Fabric*/
5059         proto_item_append_text(tree, " (Cisco ACI Fabric)");
5060         vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option);
5061
5062         while (tvb_reported_length_remaining(tvb, offset) > 0) {
5063                 offset = dissect_vendor_cisco_suboption(pinfo, tree, vendor_tree,
5064                         tvb, offset, tvb_reported_length(tvb));
5065         }
5066
5067         return true;
5068 }
5069
5070 /* Aerohive (Extremenetworks) Vendor Specific Information */
5071
5072 static const value_string option43_aerohive_suboption_vals[] = {
5073         {  225, "XiqHostname" },        /* String */
5074         {  226, "XiqIpAddress" },       /* Ipv4address */
5075
5076         { 0, NULL}
5077 };
5078
5079 static int
5080 dissect_vendor_aerohive_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree,
5081                                    tvbuff_t *tvb, int optoff, int optend)
5082 {
5083         int         suboptoff = optoff;
5084         uint8_t     subopt;
5085         uint8_t     subopt_len;
5086         unsigned    item_len;
5087         proto_tree *o43aerohive_v_tree;
5088         proto_item *vti;
5089
5090         subopt = tvb_get_uint8(tvb, optoff);
5091         suboptoff++;
5092
5093         if (suboptoff >= optend) {
5094                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
5095                                                                         "Suboption %d: No room left in option for suboption length", subopt);
5096                 return (optend);
5097         } else {
5098                 subopt_len = tvb_get_uint8(tvb, suboptoff);
5099                 item_len = subopt_len + 2;
5100         }
5101
5102         vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_aerohive_suboption,
5103                                 tvb, optoff, item_len, subopt, "(%d) %s",
5104                                 subopt, val_to_str_const(subopt, option43_aerohive_suboption_vals, "Unknown"));
5105
5106         o43aerohive_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption);
5107         proto_tree_add_item(o43aerohive_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
5108         suboptoff++;
5109
5110         if (suboptoff+subopt_len > optend) {
5111                 expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value,
5112                                                 "Suboption %d: Not sufficient room left in option for suboption value", subopt);
5113                 return (optend);
5114         }
5115
5116         switch(subopt)
5117         {
5118                 case 225:
5119                         proto_tree_add_item(o43aerohive_v_tree, hf_dhcp_option43_aerohive_xiqhostname, tvb, suboptoff, subopt_len, ENC_ASCII);
5120                         break;
5121                 case 226:
5122                         proto_tree_add_item(o43aerohive_v_tree, hf_dhcp_option43_aerohive_xiqipaddress, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN);
5123                         break;
5124                 default:
5125                         proto_tree_add_item(o43aerohive_v_tree, hf_dhcp_option43_aerohive_unknown, tvb, suboptoff, subopt_len, ENC_NA);
5126         }
5127
5128         optoff += item_len;
5129         return optoff;
5130 }
5131
5132 static bool
5133 dissect_aerohive_vendor_info_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
5134 {
5135         int offset = 0;
5136         dhcp_option_data_t *option_data = (dhcp_option_data_t*)data;
5137         proto_tree* vendor_tree;
5138
5139         if ((option_data->vendor_class_id == NULL) ||
5140                 (strncmp((const char*)option_data->vendor_class_id, AEROHIVE_VCID, strlen(AEROHIVE_VCID)) != 0))
5141                 return false;
5142
5143         /* Cisco ACI Fabric*/
5144         proto_item_append_text(tree, " (Aerohive)");
5145         vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option);
5146
5147         while (tvb_reported_length_remaining(tvb, offset) > 0) {
5148                 offset = dissect_vendor_aerohive_suboption(pinfo, tree, vendor_tree,
5149                         tvb, offset, tvb_reported_length(tvb));
5150         }
5151
5152         return true;
5153 }
5154
5155 static int
5156 dissect_vendor_generic_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree,
5157                                  tvbuff_t *tvb, uint32_t optoff, uint32_t optend)
5158 {
5159         uint32_t            suboptoff = optoff;
5160         uint8_t     subopt;
5161         uint32_t            subopt_len;
5162         proto_item *item;
5163         proto_tree *sub_tree;
5164
5165         item = proto_tree_add_item(v_tree, hf_dhcp_vendor_unknown_suboption, tvb, optoff, 1, ENC_NA);
5166         subopt = tvb_get_uint8(tvb, optoff);
5167
5168         suboptoff+=1;
5169
5170         if (suboptoff >= optend) {
5171                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
5172                                                                         "Suboption %d: no room left in option for suboption length", subopt);
5173                 return (optend);
5174         }
5175
5176         sub_tree = proto_item_add_subtree(item, ett_dhcp_option125_suboption);
5177         proto_tree_add_item_ret_uint(sub_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_NA, &subopt_len);
5178         suboptoff++;
5179
5180         if (suboptoff+subopt_len > optend) {
5181                 expert_add_info_format(pinfo, item, &ei_dhcp_missing_subopt_value,
5182                                                 "Suboption %d: no room left in option for suboption value", subopt);
5183                 return (optend);
5184         }
5185
5186         proto_tree_add_item(sub_tree, hf_dhcp_suboption_data, tvb, suboptoff, subopt_len, ENC_NA);
5187         suboptoff+= subopt_len;
5188
5189         return suboptoff;
5190
5191 }
5192
5193 static int
5194 dissect_dhcpopt_vi_vendor_specific_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
5195 {
5196         uint32_t offset = 0;
5197         uint32_t enterprise = 0;
5198         uint32_t s_end = 0;
5199         uint32_t option_data_len = 0;
5200         proto_item *vti;
5201         proto_tree *e_tree;
5202
5203         while (tvb_reported_length_remaining(tvb, offset) >= 5) {
5204
5205                 vti = proto_tree_add_item_ret_uint(tree, hf_dhcp_option125_enterprise, tvb, offset, 4, ENC_BIG_ENDIAN, &enterprise);
5206                 e_tree = proto_item_add_subtree(vti, ett_dhcp_option);
5207                 offset += 4;
5208
5209                 proto_tree_add_item_ret_uint(e_tree, hf_dhcp_option125_length, tvb, offset, 1, ENC_NA, &option_data_len);
5210                 offset += 1;
5211
5212                 s_end = offset + option_data_len;
5213                 if ( tvb_reported_length_remaining(tvb, s_end) < 0 ) {
5214                         expert_add_info_format(pinfo, vti, &ei_dhcp_option125_enterprise_malformed, "no room left in option for enterprise %u data", enterprise);
5215                         break;
5216                 }
5217
5218                 while (offset < s_end) {
5219                         tvbuff_t *enterprise_tvb = tvb_new_subset_length(tvb, offset, option_data_len);
5220                         int bytes_dissected = dissector_try_uint(dhcp_enterprise_specific_table, enterprise, enterprise_tvb, pinfo, e_tree);
5221                         if (bytes_dissected == 0) {
5222                                 offset = dissect_vendor_generic_suboption(pinfo, vti, e_tree, tvb, offset, s_end);
5223                         } else{
5224                                 offset += bytes_dissected;
5225                         }
5226                 }
5227         }
5228
5229         if (tvb_reported_length_remaining(tvb, offset) > 0) {
5230                 expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length < 5");
5231         }
5232
5233         return tvb_captured_length(tvb);
5234 }
5235
5236 static const value_string option43_alcatel_suboption_vals[] = {
5237         {  0, "Padding" },
5238         { 58, "Voice VLAN ID" },
5239         { 64, "Spatial Redundancy TFTP1" },
5240         { 65, "Spatial Redundancy TFTP2" },
5241         { 66, "Application Type" },
5242         { 67, "SIP URL" },
5243         { 255, "Alcatel-Lucent End" },
5244         { 0, NULL}
5245 };
5246
5247 static const value_string option43_alcatel_app_type_vals[] = {
5248         { 0, "NOE" },
5249         { 1, "SIP" },
5250         { 0, NULL}
5251 };
5252
5253 /* If an Alcatel-Lucent Option 43 suboption has a known fixed length,
5254  * return that length. Returns 0 for variable length options and unknown
5255  * options.
5256  */
5257 static unsigned
5258 get_alcatel_suboption_len(unsigned subopt)
5259 {
5260         switch(subopt) {
5261         case 58:  /* 0x3A - Alcatel-Lucent AVA VLAN Id */
5262                 return 2;
5263         case 64:  /* 0x40 - Alcatel-Lucent TFTP1 */
5264                 return 4;
5265         case 65:  /* 0x41 - Alcatel-Lucent TFTP2 */
5266                 return 4;
5267         case 66:  /* 0x42 - Alcatel-Lucent APPLICATION TYPE */
5268                 return 1;
5269         case 0:   /* Alcatel-Lucent Padding */
5270         case 67:  /* 0x43 - Alcatel-Lucent SIP URL */
5271         case 255: /* Alcatel-Lucent End */
5272         default:
5273                 return 0;
5274         }
5275 }
5276
5277 static int
5278 dissect_vendor_alcatel_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree,
5279                                  tvbuff_t *tvb, int optoff, int optend)
5280 {
5281         int         suboptoff = optoff;
5282         uint8_t     subopt;
5283         uint8_t     subopt_len;
5284         proto_item *vti;
5285         proto_tree *o43alcatel_v_tree;
5286
5287         subopt = tvb_get_uint8(tvb, optoff);
5288         suboptoff++;
5289
5290         if (subopt == 0) {
5291                 proto_tree_add_item(v_tree, hf_dhcp_option43_alcatel_padding, tvb, optoff, 1, ENC_BIG_ENDIAN);
5292                 return (suboptoff);
5293         } else if (subopt == 255) {     /* End Option */
5294                 proto_tree_add_item(v_tree, hf_dhcp_option43_alcatel_end, tvb, optoff, 1, ENC_BIG_ENDIAN);
5295                 /* Make sure we skip any junk left this option */
5296                 return (optend);
5297         }
5298
5299         if (suboptoff >= optend) {
5300                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
5301                                                                         "Suboption %d: no room left in option for suboption length", subopt);
5302                 return (optend);
5303         }
5304
5305         subopt_len = tvb_get_uint8(tvb, suboptoff);
5306         vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_alcatel_suboption,
5307                                 tvb, optoff, subopt_len+2, subopt, "(%d) %s",
5308                                 subopt, val_to_str_const(subopt, option43_alcatel_suboption_vals, "Unknown"));
5309
5310         o43alcatel_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption);
5311         proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
5312         suboptoff++;
5313
5314         if (suboptoff+subopt_len > optend) {
5315                 expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value,
5316                                                 "Suboption %d: no room left in option for suboption value", subopt);
5317                 return (optend);
5318         }
5319
5320         unsigned subopt_len_expected = get_alcatel_suboption_len(subopt);
5321         if (subopt_len_expected && subopt_len_expected != subopt_len) {
5322                 expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't %u", subopt_len_expected);
5323                 return optend;
5324         }
5325         switch (subopt)
5326         {
5327         case 58: /* 0x3A - Alcatel-Lucent AVA VLAN Id */
5328                 proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_option43_alcatel_vlan_id, tvb, suboptoff, 2, ENC_BIG_ENDIAN);
5329                 break;
5330         case 64: /* 0x40 - Alcatel-Lucent TFTP1 */
5331                 proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_option43_alcatel_tftp1, tvb, suboptoff, 4, ENC_BIG_ENDIAN);
5332                 break;
5333         case 65: /* 0x41 - Alcatel-Lucent TFTP2 */
5334                 proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_option43_alcatel_tftp2, tvb, suboptoff, 4, ENC_BIG_ENDIAN);
5335                 break;
5336         case 66: /* 0x42 - Alcatel-Lucent APPLICATION TYPE */
5337                 proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_option43_alcatel_app_type, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
5338                 break;
5339         case 67: /* 0x43 - Alcatel-Lucent SIP URL */
5340                 proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_option43_alcatel_sip_url, tvb, suboptoff, subopt_len, ENC_ASCII);
5341                 break;
5342         default:
5343                 expert_add_info_format(pinfo, vti, &ei_dhcp_subopt_unknown_type, "ERROR, please report: Unknown subopt type handler %d", subopt);
5344                 return optend;
5345         }
5346
5347         optoff += (subopt_len + 2);
5348         return optoff;
5349 }
5350
5351 static bool
5352 dissect_alcatel_lucent_vendor_info_heur( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
5353 {
5354         int offset = 0;
5355         uint8_t s_option;
5356         proto_tree* vendor_tree;
5357
5358         if (tvb_reported_length(tvb) < 1)
5359                 return false;
5360
5361         s_option = tvb_get_uint8(tvb, offset);
5362         if ((s_option==58 || s_option==64 || s_option==65
5363                 || s_option==66 || s_option==67)
5364                 && test_encapsulated_vendor_options(tvb, offset, tvb_reported_length(tvb), get_alcatel_suboption_len)) {
5365
5366                 /* Alcatel-Lucent DHCP Extensions */
5367                 proto_item_append_text(tree, " (Alcatel-Lucent)");
5368                 vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option);
5369
5370                 while (tvb_reported_length_remaining(tvb, offset) > 0) {
5371                         offset = dissect_vendor_alcatel_suboption(pinfo, tree, vendor_tree,
5372                                 tvb, offset, tvb_reported_length(tvb));
5373                 }
5374                 return true;
5375         }
5376
5377         return false;
5378 }
5379
5380 static const value_string option63_suboption_vals[] = {
5381         { 1, "NWIP does not exist on subnet" },
5382         { 2, "NWIP exists in options area" },
5383         { 3, "NWIP exists in sname/file" },
5384         { 4, "NWIP exists, but too big" },
5385         { 5, "Broadcast for nearest Netware server" },
5386         { 6, "Preferred DSS server" },
5387         { 7, "Nearest NWIP server" },
5388         { 8, "Autoretries" },
5389         { 9, "Autoretry delay, secs" },
5390         { 10, "Support NetWare/IP v1.1" },
5391         { 11, "Primary DSS" },
5392         { 0, NULL }
5393 };
5394
5395 static int
5396 dissect_netware_ip_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree,
5397                              tvbuff_t *tvb, int optoff, int optend)
5398 {
5399         int         suboptoff = optoff;
5400         uint8_t     subopt, subopt_len;
5401         proto_tree *o63_v_tree;
5402         proto_item *vti, *ti;
5403
5404         static const struct basic_types_hfs default_hfs = {
5405                 NULL,
5406                 &hf_dhcp_option63_value_ip_address,
5407                 &hf_dhcp_option63_value_ip_address,
5408                 NULL,
5409                 &hf_dhcp_option63_value_boolean,
5410                 &hf_dhcp_option63_value_8,
5411                 NULL,
5412                 NULL,
5413                 NULL,
5414                 NULL,
5415                 NULL
5416         };
5417
5418         static const struct opt_info o63_opt[]= {
5419                 /* 0 */ {"",none,NULL},
5420                 /* 1 */ {"NWIP does not exist on subnet",presence,NULL},
5421                 /* 2 */ {"NWIP exists in options area",presence,NULL},
5422                 /* 3 */ {"NWIP exists in sname/file",presence,NULL},
5423                 /* 4 */ {"NWIP exists, but too big",presence,NULL},
5424                 /* 5 */ {"Broadcast for nearest Netware server",val_boolean, &hf_dhcp_option63_broadcast},
5425                 /* 6 */ {"Preferred DSS server",ipv4_list,&hf_dhcp_option63_preferred_dss_server},
5426                 /* 7 */ {"Nearest NWIP server",ipv4_list,&hf_dhcp_option63_nearest_nwip_server},
5427                 /* 8 */ {"Autoretries",val_u_byte,&hf_dhcp_option63_autoretries},
5428                 /* 9 */ {"Autoretry delay, secs",val_u_byte,&hf_dhcp_option63_autoretry_delay},
5429                 /* 10*/ {"Support NetWare/IP v1.1",val_boolean,&hf_dhcp_option63_support_netware_v1_1},
5430                 /* 11*/ {"Primary DSS",ipv4,&hf_dhcp_option63_primary_dss}
5431         };
5432
5433         subopt = tvb_get_uint8(tvb, optoff);
5434         suboptoff++;
5435
5436         if (suboptoff >= optend) {
5437                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
5438                                                                         "Suboption %d: no room left in option for suboption length", subopt);
5439                 return (optend);
5440         }
5441
5442         subopt_len = tvb_get_uint8(tvb, suboptoff);
5443         vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option63_suboption,
5444                                 tvb, optoff, subopt_len+2, subopt, "(%d) %s",
5445                                 subopt, val_to_str_const(subopt, option63_suboption_vals, "Unknown"));
5446
5447         o63_v_tree = proto_item_add_subtree(vti, ett_dhcp_option63_suboption);
5448         proto_tree_add_item(o63_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
5449         suboptoff++;
5450
5451         ti = proto_tree_add_item(o63_v_tree, hf_dhcp_option63_value, tvb, suboptoff, subopt_len, ENC_NA);
5452         proto_item_set_hidden(ti);
5453
5454         if (subopt < array_length(o63_opt)) {
5455                 if (dhcp_handle_basic_types(pinfo, o63_v_tree, vti, tvb, o63_opt[subopt].ftype,
5456                                                         suboptoff, subopt_len, o63_opt[subopt].phf, &default_hfs) == 0) {
5457                         switch(o63_opt[subopt].ftype)
5458                         {
5459                         case presence:
5460                                 if (subopt_len != 0) {
5461                                         expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 0");
5462                                 }
5463                                 break;
5464                         default:
5465                                 if (o63_opt[subopt].phf == NULL)
5466                                         proto_tree_add_item(o63_v_tree, hf_dhcp_option63_value, tvb, suboptoff, subopt_len, ENC_NA);
5467                                 break;
5468                         }
5469                 }
5470         }
5471         optoff += (subopt_len + 2);
5472         return optoff;
5473 }
5474
5475 static int
5476 dissect_dhcpopt_netware_ip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
5477 {
5478         int offset = 0;
5479
5480         while (tvb_reported_length_remaining(tvb, offset) > 0) {
5481                 offset = dissect_netware_ip_suboption(pinfo, tree, tree, tvb, offset, tvb_reported_length(tvb));
5482         }
5483
5484         return tvb_captured_length(tvb);
5485 }
5486
5487 static const value_string option125_tr111_suboption_vals[] = {
5488         { 1, "DeviceManufacturerOUI" },
5489         { 2, "DeviceSerialNumber" },
5490         { 3, "DeviceProductClass" },
5491         { 4, "GatewayManufacturerOUI" },
5492         { 5, "GatewaySerialNumber" },
5493         { 6, "GatewayProductClass" },
5494         { 0, NULL }
5495 };
5496
5497 static int
5498 dissect_vendor_tr111_suboption(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
5499 {
5500         int offset = 0;
5501         proto_tree *o125_v_tree;
5502         proto_item *vti, *ti;
5503         uint8_t subopt, subopt_len;
5504
5505         static const struct basic_types_hfs default_hfs = {
5506                 NULL,
5507                 NULL,
5508                 NULL,
5509                 &hf_dhcp_option125_value_stringz,
5510                 NULL,
5511                 NULL,
5512                 NULL,
5513                 NULL,
5514                 NULL,
5515                 NULL,
5516                 NULL
5517         };
5518
5519         /* Reference: TR-111 DHCP Option 125 Sub-Option Data Fields
5520            Page 10.
5521         */
5522
5523         static const struct opt_info o125_tr111_opt[]= {
5524                 /* 0 */ {"nop", special, NULL}, /* dummy */
5525                 /* 1 */ {"DeviceManufacturerOUI",  oui,    &hf_dhcp_option125_tr111_device_manufacturer_oui},
5526                 /* 2 */ {"DeviceSerialNumber",     string, &hf_dhcp_option125_tr111_device_serial_number},
5527                 /* 3 */ {"DeviceProductClass",     string, &hf_dhcp_option125_tr111_device_product_class},
5528                 /* 4 */ {"GatewayManufacturerOUI", string, &hf_dhcp_option125_tr111_gateway_manufacturer_oui},
5529                 /* 5 */ {"GatewaySerialNumber",    string, &hf_dhcp_option125_tr111_gateway_serial_number},
5530                 /* 6 */ {"GatewayProductClass",    string, &hf_dhcp_option125_tr111_gateway_product_class},
5531         };
5532
5533         subopt = tvb_get_uint8(tvb, offset);
5534         offset++;
5535
5536         if (tvb_reported_length_remaining(tvb, offset) < 1) {
5537                 expert_add_info_format(pinfo, tree, &ei_dhcp_missing_subopt_length,
5538                                        "Suboption %d: no room left in option for suboption length", subopt);
5539                 return offset;
5540         }
5541
5542         subopt_len = tvb_get_uint8(tvb, offset);
5543         vti = proto_tree_add_uint_format_value(tree, hf_dhcp_option125_tr111_suboption,
5544                                 tvb, offset, subopt_len+2, subopt, "(%d) %s",
5545                                 subopt, val_to_str_const(subopt, option125_tr111_suboption_vals, "Unknown"));
5546
5547         o125_v_tree = proto_item_add_subtree(vti, ett_dhcp_option125_tr111_suboption);
5548         proto_tree_add_item(o125_v_tree, hf_dhcp_suboption_length, tvb, offset, 1, ENC_BIG_ENDIAN);
5549         offset++;
5550
5551         if (tvb_reported_length_remaining(tvb, offset) < subopt_len) {
5552                 expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value,
5553                                                 "Suboption %d: no room left in option for suboption value", subopt);
5554                 return offset;
5555         }
5556
5557         ti = proto_tree_add_item(tree, hf_dhcp_option125_value, tvb, offset, subopt_len, ENC_NA);
5558         proto_item_set_hidden(ti);
5559
5560         if (subopt < array_length(o125_tr111_opt)) {
5561                 if (dhcp_handle_basic_types(pinfo, o125_v_tree, vti, tvb, o125_tr111_opt[subopt].ftype, offset, subopt_len, o125_tr111_opt[subopt].phf, &default_hfs) == 0) {
5562                         if (o125_tr111_opt[subopt].ftype == special) {
5563                                 if (o125_tr111_opt[subopt].phf != NULL)
5564                                    proto_tree_add_item(o125_v_tree, *o125_tr111_opt[subopt].phf, tvb, offset, subopt_len, ENC_BIG_ENDIAN);
5565                                 else
5566                                    proto_tree_add_item(o125_v_tree, hf_dhcp_option125_value, tvb, offset, subopt_len, ENC_NA);
5567                         }
5568                         else if (o125_tr111_opt[subopt].ftype == oui) {
5569                                 /* Get hex string.  Expecting 6 characters. */
5570                                 const char    *oui_string =  (char *)tvb_get_string_enc(pinfo->pool, tvb, offset, subopt_len, ENC_ASCII);
5571                                 /* Convert to OUI number.  Only 3 bytes so no data lost in downcast. */
5572                                 uint32_t oui_number = (uint32_t)strtol(oui_string, NULL, 16);
5573                                 /* Add item using oui_vals */
5574                                 proto_tree_add_uint(o125_v_tree, *o125_tr111_opt[subopt].phf, tvb, offset, subopt_len, oui_number);
5575                         } else if (o125_tr111_opt[subopt].phf == NULL)
5576                                 proto_tree_add_item(o125_v_tree, hf_dhcp_option125_value, tvb, offset, subopt_len, ENC_NA);
5577                 }
5578         }
5579
5580         return subopt_len + 2;
5581 }
5582
5583 static const value_string option125_cl_suboption_vals[] = {
5584         { 1, "Option Request" },
5585         { 2, "TFTP Server Addresses" },
5586         { 3, "eRouter Container Option" },
5587         { 4, "MIB Environment Indicator Option" },
5588         { 5, "Modem Capabilities" },
5589         { 0, NULL }
5590 };
5591
5592 static const value_string pkt_mib_env_ind_opt_vals[] = {
5593         { 0x00, "Reserved" },
5594         { 0x01, "CableLabs" },
5595         { 0x02, "IETF" },
5596         { 0x03, "EuroCableLabs" },
5597         { 0, NULL }
5598 };
5599
5600 static int
5601 dissect_vendor_cl_suboption(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
5602 {
5603         int offset = 0;
5604         uint8_t subopt, subopt_len;
5605         proto_tree *o125_v_tree;
5606         proto_item *vti;
5607
5608         static const struct basic_types_hfs default_hfs = {
5609                 &hf_dhcp_option125_value,
5610                 &hf_dhcp_option125_value_ip_address,
5611                 &hf_dhcp_option125_value_ip_address,
5612                 &hf_dhcp_option125_value_stringz,
5613                 NULL,
5614                 &hf_dhcp_option125_value_8,
5615                 &hf_dhcp_option125_value_16,
5616                 NULL,
5617                 NULL,
5618                 NULL,
5619                 NULL
5620         };
5621
5622         static const struct opt_info o125_cl_opt[]= {
5623                 /* 0 */ {"nop", special, NULL}, /* dummy */
5624                 /* 1 */ {"Option Request = ", bytes, &hf_dhcp_option125_cl_option_request},
5625                 /* 2 */ {"TFTP Server Addresses : ", ipv4_list, &hf_dhcp_option125_cl_tftp_server_addresses},
5626                 /* 3 */ {"eRouter Container Option : ", bytes, &hf_dhcp_option125_cl_erouter_container_option},
5627                 /* 4 */ {"MIB Environment Indicator Option = ", val_u_byte, &hf_dhcp_option125_cl_mib_environment_indicator_option},
5628                 /* 5 */ {"Modem Capabilities : ", special, &hf_dhcp_option125_cl_modem_capabilities},
5629         };
5630
5631         subopt = tvb_get_uint8(tvb, offset);
5632         offset++;
5633
5634         if (tvb_reported_length_remaining(tvb, offset) < 1) {
5635                 expert_add_info_format(pinfo, tree, &ei_dhcp_missing_subopt_length,
5636                                                                         "Suboption %d: no room left in option for suboption length", subopt);
5637                 return offset;
5638         }
5639
5640         subopt_len = tvb_get_uint8(tvb, offset);
5641         vti = proto_tree_add_uint_format_value(tree, hf_dhcp_option125_cl_suboption,
5642                                 tvb, offset, subopt_len+2, subopt, "(%d) %s",
5643                                 subopt, val_to_str_const(subopt, option125_cl_suboption_vals, "Unknown"));
5644
5645         o125_v_tree = proto_item_add_subtree(vti, ett_dhcp_option125_cl_suboption);
5646         proto_tree_add_item(o125_v_tree, hf_dhcp_suboption_length, tvb, offset, 1, ENC_BIG_ENDIAN);
5647         offset++;
5648
5649         if (tvb_reported_length_remaining(tvb, offset) < subopt_len) {
5650                 expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value,
5651                                                 "Suboption %d: no room left in option for suboption value", subopt);
5652                 return offset;
5653         }
5654
5655         if (subopt < array_length(o125_cl_opt)) {
5656                 if (dhcp_handle_basic_types(pinfo, o125_v_tree, vti, tvb, o125_cl_opt[subopt].ftype,
5657                                                         offset, subopt_len, o125_cl_opt[subopt].phf, &default_hfs) == 0) {
5658
5659                         switch(o125_cl_opt[subopt].ftype) {
5660                         case special:
5661                                 if (o125_cl_opt[subopt].phf != NULL)
5662                                         proto_tree_add_item(o125_v_tree, *o125_cl_opt[subopt].phf, tvb, offset, subopt_len, ENC_BIG_ENDIAN);
5663                                 else
5664                                         proto_tree_add_item(o125_v_tree, hf_dhcp_option125_value, tvb, offset, subopt_len, ENC_NA);
5665                                 switch(subopt){
5666                                         case 5: /* Modem Capabilities */
5667                                                 dissect_docsis_cm_cap(pinfo, o125_v_tree, tvb, offset-2, subopt_len+2, true);
5668                                         break;
5669                                 }
5670                                 break;
5671                         default:
5672                                 if (o125_cl_opt[subopt].phf == NULL)
5673                                         proto_tree_add_item(o125_v_tree, hf_dhcp_option125_value, tvb, offset, subopt_len, ENC_NA);
5674                                 break;
5675                         }
5676                 }
5677         }
5678
5679         return subopt_len + 2;
5680 }
5681
5682 /* PacketCable Multimedia Terminal Adapter device capabilities (option 60).
5683    Ref: PKT-SP-I05-021127 sections 8.2 and 10 */
5684
5685 #define PKT_MDC_TLV_OFF 10
5686
5687
5688 /* These are ASCII-encoded hexadecimal digits.  We use the raw hex equivalent for
5689    convenience. */
5690 #define PKT_MDC_VERSION                 0x3031  /* "01" */
5691 #define PKT_MDC_TEL_END                 0x3032  /* "02" */
5692 #define PKT_MDC_TGT                     0x3033  /* "03" */
5693 #define PKT_MDC_HTTP_ACC                0x3034  /* "04" */
5694 #define PKT_MDC_SYSLOG                  0x3035  /* "05" */
5695 #define PKT_MDC_NCS                     0x3036  /* "06" */
5696 #define PKT_MDC_PRI_LINE                0x3037  /* "07" */
5697 #define PKT_MDC_VENDOR_TLV              0x3038  /* "08" */
5698 #define PKT_MDC_NVRAM_STOR              0x3039  /* "09" */
5699 #define PKT_MDC_PROV_REP                0x3041  /* "0A" */
5700 #define PKT_MDC_PROV_REP_LC             0x3061  /* "0a" */
5701 #define PKT_MDC_SUPP_CODECS             0x3042  /* "0B" */
5702 #define PKT_MDC_SUPP_CODECS_LC          0x3062  /* "0b" */
5703 #define PKT_MDC_SILENCE                 0x3043  /* "0C" */
5704 #define PKT_MDC_SILENCE_LC              0x3063  /* "0c" */
5705 #define PKT_MDC_ECHO_CANCEL             0x3044  /* "0D" */
5706 #define PKT_MDC_ECHO_CANCEL_LC          0x3064  /* "0d" */
5707 #define PKT_MDC_RSVP                    0x3045  /* "0E" */
5708 #define PKT_MDC_RSVP_LC                 0x3065  /* "0e" */
5709 #define PKT_MDC_UGS_AD                  0x3046  /* "0F" */
5710 #define PKT_MDC_UGS_AD_LC               0x3066  /* "0f" */
5711 #define PKT_MDC_IF_INDEX                0x3130  /* "10" */
5712 #define PKT_MDC_FLOW_LOG                0x3131  /* "11" */
5713 #define PKT_MDC_PROV_FLOWS              0x3132  /* "12" */
5714 /* PacketCable 1.5: */
5715 #define PKT_MDC_T38_VERSION             0x3133  /* "13" */
5716 #define PKT_MDC_T38_EC                  0x3134  /* "14" */
5717 #define PKT_MDC_RFC2833_DTMF            0x3135  /* "15" */
5718 #define PKT_MDC_VOICE_METRICS           0x3136  /* "16" */
5719 #define PKT_MDC_MIBS                    0x3137  /* "17" */
5720 #define PKT_MDC_MGPI                    0x3138  /* "18" */
5721 #define PKT_MDC_V152                    0x3139  /* "19" */
5722 #define PKT_MDC_CBS                     0x3141  /* "1A" */
5723 #define PKT_MDC_CBS_LC                  0x3161  /* "1a" */
5724
5725 static const value_string pkt_mdc_type_vals[] = {
5726         { PKT_MDC_VERSION,              "PacketCable Version" },
5727         { PKT_MDC_TEL_END,              "Number Of Telephony Endpoints" },
5728         { PKT_MDC_TGT,                  "TGT Support" },
5729         { PKT_MDC_HTTP_ACC,             "HTTP Download File Access Method Support" },
5730         { PKT_MDC_SYSLOG,               "MTA-24 Event SYSLOG Notification Support" },
5731         { PKT_MDC_NCS,                  "NCS Service Flow Support" },
5732         { PKT_MDC_PRI_LINE,             "Primary Line Support" },
5733         { PKT_MDC_VENDOR_TLV,           "Vendor Specific TLV Type(s)" },
5734         { PKT_MDC_NVRAM_STOR,           "NVRAM Ticket/Session Keys Storage Support" },
5735         { PKT_MDC_PROV_REP,             "Provisioning Event Reporting Support" },
5736         { PKT_MDC_PROV_REP_LC,          "Provisioning Event Reporting Support" },
5737         { PKT_MDC_SUPP_CODECS,          "Supported CODEC(s)" },
5738         { PKT_MDC_SUPP_CODECS_LC,       "Supported CODEC(s)" },
5739         { PKT_MDC_SILENCE,              "Silence Suppression Support" },
5740         { PKT_MDC_SILENCE_LC,           "Silence Suppression Support" },
5741         { PKT_MDC_ECHO_CANCEL,          "Echo Cancellation Support" },
5742         { PKT_MDC_ECHO_CANCEL_LC,       "Echo Cancellation Support" },
5743         { PKT_MDC_RSVP,                 "RSVP Support/ Reserved" },
5744         { PKT_MDC_RSVP_LC,              "RSVP Support/ Reserved" },
5745         { PKT_MDC_UGS_AD,               "UGS-AD Support" },
5746         { PKT_MDC_UGS_AD_LC,            "UGS-AD Support" },
5747         { PKT_MDC_IF_INDEX,             "MTA's \"ifIndex\" starting number in \"ifTable\"" },
5748         { PKT_MDC_FLOW_LOG,             "Provisioning Flow Logging Support" },
5749         { PKT_MDC_PROV_FLOWS,           "Supported Provisioning Flows" },
5750         /* PacketCable 1.5: */
5751         { PKT_MDC_T38_VERSION,          "T38 Version Support" },
5752         { PKT_MDC_T38_EC,               "T38 Error Correction Support" },
5753         { PKT_MDC_RFC2833_DTMF,         "RFC 2833 DTMF Support" },
5754         { PKT_MDC_VOICE_METRICS,        "Voice Metrics Support" },
5755         { PKT_MDC_MIBS,                 "MIB Support" },
5756         { PKT_MDC_MGPI,                 "Multiple Grants Per Interval Support" },
5757         { PKT_MDC_V152,                 "V.152 Support" },
5758         /* PacketCable 2.0: */
5759         { PKT_MDC_CBS,                  "Certificate Bootstrapping Support" },
5760         { PKT_MDC_CBS_LC,               "Certificate Bootstrapping Support" },
5761         { 0,                            NULL }
5762 };
5763
5764 static const value_string pkt_mdc_version_vals[] = {
5765         { 0x3030,       "PacketCable 1.0" },
5766         { 0x3031,       "PacketCable 1.1/1.5" }, /* 1.5 replaces 1.1-1.3 */
5767         { 0x3032,       "PacketCable 2.0" },
5768         { 0,            NULL }
5769 };
5770
5771 static const value_string pkt_mdc_boolean_vals[] = {
5772         { 0x3030,       "No" },
5773         { 0x3031,       "Yes" },
5774         { 0,            NULL }
5775 };
5776
5777 static const value_string pkt_mdc_codec_vals[] = {
5778         { 0x3031,       "other" },           /* "01" */
5779         { 0x3032,       "unknown" },
5780         { 0x3033,       "G.729" },
5781         { 0x3034,       "reserved" },
5782         { 0x3035,       "G.729E" },
5783         { 0x3036,       "PCMU" },
5784         { 0x3037,       "G.726-32" },
5785         { 0x3038,       "G.728" },
5786         { 0x3039,       "PCMA" },            /* "09" */
5787         { 0x3041,       "G.726-16" },        /* "0A" */
5788         { 0x3042,       "G.726-24" },
5789         { 0x3043,       "G.726-40" },
5790         { 0x3044,       "iLBC" },
5791         { 0x3045,       "BV16" },
5792         { 0x3046,       "telephone-event" }, /* "0F" */
5793         { 0,            NULL }
5794 };
5795
5796 static const value_string pkt_mdc_t38_version_vals[] = {
5797         { 0x3030,       "Unsupported" },
5798         { 0x3031,       "T.38 Version Zero" }, /* default */
5799         { 0x3032,       "T.38 Version One" },
5800         { 0x3033,       "T.38 Version Two" },
5801         { 0x3035,       "T.38 Version Three" },
5802         { 0,            NULL }
5803 };
5804
5805 static const value_string pkt_mdc_t38_ec_vals[] = {
5806         { 0x3030,       "None" },
5807         { 0x3031,       "Redundancy" }, /* default */
5808         { 0x3032,       "FEC" },
5809         { 0,            NULL }
5810 };
5811
5812 static const value_string pkt_mdc_mib_orgs[] = {
5813         { 0x3030,       "CableLabs" },
5814         { 0x3031,       "IETF" },
5815         { 0x3032,       "EuroCableLabs" },
5816         { 0x3033,       "Reserved" },
5817         { 0x3034,       "Reserved" },
5818         { 0x3035,       "Reserved" },
5819         { 0x3036,       "Reserved" },
5820         { 0x3037,       "Reserved" },
5821         { 0x3038,       "Reserved" },
5822         { 0x3039,       "Reserved" },
5823         { 0,            NULL }
5824 };
5825
5826 static int hf_dhcp_pkt_mdc_supp_flow_secure;
5827 static int hf_dhcp_pkt_mdc_supp_flow_hybrid;
5828 static int hf_dhcp_pkt_mdc_supp_flow_basic;
5829
5830 #define PKT_MDC_MIB_CL 0x3030
5831 static int hf_dhcp_pkt_mdc_mib_cl_mta;
5832 static int hf_dhcp_pkt_mdc_mib_cl_signaling;
5833 static int hf_dhcp_pkt_mdc_mib_cl_management_event;
5834 static int hf_dhcp_pkt_mdc_mib_cl_mta_extension;
5835 static int hf_dhcp_pkt_mdc_mib_cl_mta_signaling_extension;
5836 static int hf_dhcp_pkt_mdc_mib_cl_mta_mem_extension;
5837 static int hf_dhcp_pkt_mdc_mib_cl_reserved;
5838
5839 #define PKT_MDC_MIB_IETF 0x3031
5840 static int hf_dhcp_pkt_mdc_mib_ietf_mta;
5841 static int hf_dhcp_pkt_mdc_mib_ietf_signaling;
5842 static int hf_dhcp_pkt_mdc_mib_ietf_management_event;
5843 static int hf_dhcp_pkt_mdc_mib_ietf_reserved;
5844
5845 #define PKT_MDC_MIB_EURO 0x3032
5846 static int hf_dhcp_pkt_mdc_mib_euro_mta;
5847 static int hf_dhcp_pkt_mdc_mib_euro_signaling;
5848 static int hf_dhcp_pkt_mdc_mib_euro_management_event;
5849 static int hf_dhcp_pkt_mdc_mib_euro_mta_extension;
5850 static int hf_dhcp_pkt_mdc_mib_euro_mta_signaling_extension;
5851 static int hf_dhcp_pkt_mdc_mib_euro_mta_mem_extension;
5852 static int hf_dhcp_pkt_mdc_mib_euro_reserved;
5853
5854
5855 static void
5856 dissect_packetcable_mta_cap(proto_tree *v_tree, packet_info *pinfo, tvbuff_t *tvb, int voff, int len)
5857 {
5858         uint16_t               raw_val;
5859         uint32_t        flow_val          = 0;
5860         int                off    = PKT_MDC_TLV_OFF + voff;
5861         int                subopt_off, max_len;
5862         unsigned               tlv_len, i, mib_val;
5863         uint8_t        flow_val_str[5];
5864         uint8_t       *asc_val;
5865         proto_item    *ti, *mib_ti;
5866         proto_tree    *subtree, *subtree2;
5867
5868         asc_val = tvb_get_string_enc(pinfo->pool, tvb, off, 2, ENC_ASCII);
5869         if (sscanf((char*)asc_val, "%x", &tlv_len) != 1 || tlv_len > 0xff) {
5870                 proto_tree_add_expert_format(v_tree, pinfo, &ei_dhcp_bad_length, tvb, off, len - off,
5871                         "Bogus length: %s",
5872                         format_text_string(pinfo->pool, asc_val));
5873                 return;
5874         } else {
5875                 proto_tree_add_uint(v_tree, hf_dhcp_pkt_mta_cap_len, tvb, off, 2, tlv_len);
5876                 off += 2;
5877
5878                 while (off - voff < len) {
5879                         /* Type */
5880                         raw_val = tvb_get_ntohs (tvb, off);
5881
5882                         /* Length */
5883                         asc_val = tvb_get_string_enc(pinfo->pool, tvb, off + 2, 2, ENC_ASCII);
5884                         if (sscanf((char*)asc_val, "%x", &tlv_len) != 1
5885                             || tlv_len < 1 || tlv_len > UINT16_MAX) {
5886                                 proto_tree_add_expert_format(v_tree, pinfo, &ei_dhcp_bad_length, tvb, off, len - off,
5887                                         "Bogus length: %s",
5888                                         format_text_string(pinfo->pool, asc_val));
5889                                 return;
5890                         } else {
5891                                 /* Value(s) */
5892
5893                                 ti = proto_tree_add_uint_format(v_tree, hf_dhcp_pkt_mta_cap_type,
5894                                     tvb, off, 2, raw_val, "0x%s: %s = ",
5895                                     tvb_format_text(pinfo->pool, tvb, off, 2),
5896                                     val_to_str_const(raw_val, pkt_mdc_type_vals, "unknown"));
5897                                 proto_item_set_len(ti, (tlv_len * 2) + 4);
5898                                 switch (raw_val) {
5899
5900                                 case PKT_MDC_VERSION:
5901                                         raw_val = tvb_get_ntohs(tvb, off + 4);
5902                                         proto_item_append_text(ti,
5903                                                                "%s (%s)",
5904                                                                val_to_str_const(raw_val, pkt_mdc_version_vals, "Reserved"),
5905                                                                tvb_format_stringzpad(pinfo->pool, tvb, off + 4, 2) );
5906                                         break;
5907
5908                                 case PKT_MDC_TEL_END:
5909                                 case PKT_MDC_IF_INDEX:
5910                                         proto_item_append_text(ti,
5911                                                                "%s",
5912                                                                tvb_format_stringzpad(pinfo->pool, tvb, off + 4, 2) );
5913                                         break;
5914
5915                                 case PKT_MDC_TGT:
5916                                 case PKT_MDC_HTTP_ACC:
5917                                 case PKT_MDC_SYSLOG:
5918                                 case PKT_MDC_NCS:
5919                                 case PKT_MDC_PRI_LINE:
5920                                 case PKT_MDC_NVRAM_STOR:
5921                                 case PKT_MDC_PROV_REP:
5922                                 case PKT_MDC_PROV_REP_LC:
5923                                 case PKT_MDC_SILENCE:
5924                                 case PKT_MDC_SILENCE_LC:
5925                                 case PKT_MDC_ECHO_CANCEL:
5926                                 case PKT_MDC_ECHO_CANCEL_LC:
5927                                 case PKT_MDC_RSVP:
5928                                 case PKT_MDC_RSVP_LC:
5929                                 case PKT_MDC_UGS_AD:
5930                                 case PKT_MDC_UGS_AD_LC:
5931                                 case PKT_MDC_FLOW_LOG:
5932                                 case PKT_MDC_RFC2833_DTMF:
5933                                 case PKT_MDC_VOICE_METRICS:
5934                                 case PKT_MDC_MGPI:
5935                                 case PKT_MDC_V152:
5936                                 case PKT_MDC_CBS:
5937                                 case PKT_MDC_CBS_LC:
5938                                         raw_val = tvb_get_ntohs(tvb, off + 4);
5939                                         proto_item_append_text(ti,
5940                                                                "%s (%s)",
5941                                                                val_to_str_const(raw_val, pkt_mdc_boolean_vals, "unknown"),
5942                                                                tvb_format_stringzpad(pinfo->pool, tvb, off + 4, 2) );
5943                                         break;
5944
5945                                 case PKT_MDC_SUPP_CODECS:
5946                                 case PKT_MDC_SUPP_CODECS_LC:
5947                                         for (i = 0; i < tlv_len; i++) {
5948                                                 raw_val = tvb_get_ntohs(tvb, off + 4 + (i * 2) );
5949                                                 proto_item_append_text(ti,
5950                                                                        "%s%s (%s)",
5951                                                                        plurality(i + 1, "", ", "),
5952                                                                        val_to_str_const(raw_val, pkt_mdc_codec_vals, "unknown"),
5953                                                                        tvb_format_stringzpad(pinfo->pool, tvb, off + 4 + (i * 2), 2) );
5954                                         }
5955                                         break;
5956
5957                                 case PKT_MDC_PROV_FLOWS:
5958                                         tvb_memcpy(tvb, flow_val_str, off + 4, 4);
5959                                         flow_val_str[4] = '\0';
5960                                         /* We are only reading 4 digits which should fit in 32 bits */
5961                                         flow_val = (uint32_t)strtoul((char*)flow_val_str, NULL, 16);
5962                                         proto_item_append_text(ti,
5963                                                                "0x%04x", flow_val);
5964                                         break;
5965
5966                                 case PKT_MDC_T38_VERSION:
5967                                         raw_val = tvb_get_ntohs(tvb, off + 4);
5968                                         proto_item_append_text(ti,
5969                                                                "%s (%s)",
5970                                                                val_to_str_const(raw_val, pkt_mdc_t38_version_vals, "unknown"),
5971                                                                tvb_format_stringzpad(pinfo->pool, tvb, off + 4, 2) );
5972                                         break;
5973
5974                                 case PKT_MDC_T38_EC:
5975                                         raw_val = tvb_get_ntohs(tvb, off + 4);
5976                                         proto_item_append_text(ti,
5977                                                                "%s (%s)",
5978                                                                val_to_str_const(raw_val, pkt_mdc_t38_ec_vals, "unknown"),
5979                                                                tvb_format_stringzpad(pinfo->pool, tvb, off + 4, 2) );
5980                                         break;
5981
5982                                 case PKT_MDC_MIBS:
5983                                         break;
5984
5985                                 case PKT_MDC_VENDOR_TLV:
5986                                 default:
5987                                         proto_item_append_text(ti,
5988                                                                "%s",
5989                                                                tvb_format_stringzpad(pinfo->pool, tvb, off + 4, tlv_len * 2) );
5990                                         break;
5991                                 }
5992                         }
5993                         subtree = proto_item_add_subtree(ti, ett_dhcp_option);
5994                         if (raw_val == PKT_MDC_PROV_FLOWS) {
5995                                 static int * const flows[] = {
5996                                         &hf_dhcp_pkt_mdc_supp_flow_secure,
5997                                         &hf_dhcp_pkt_mdc_supp_flow_hybrid,
5998                                         &hf_dhcp_pkt_mdc_supp_flow_basic,
5999                                         NULL
6000                                 };
6001
6002                                 proto_tree_add_bitmask_list_value(subtree, tvb, off + 4, 4, flows, flow_val);
6003                         } else if (raw_val == PKT_MDC_MIBS) {
6004                         /* 17 06 02 00 38 02 01 07 */
6005                                 subopt_off = off + 4;
6006                                 max_len = subopt_off + (tlv_len * 2);
6007                                 while (subopt_off < max_len) {
6008                                         raw_val = tvb_get_ntohs(tvb, subopt_off);
6009                                         if (raw_val != 0x3032) { /* We only know how to handle a length of 2 */
6010                                                 asc_val = tvb_get_string_enc(pinfo->pool, tvb, subopt_off, 2, ENC_ASCII);
6011                                                 proto_tree_add_expert_format(subtree, pinfo, &ei_dhcp_bad_length, tvb, subopt_off, 2,
6012                                                         "Bogus length: %s",
6013                                                         format_text_string(pinfo->pool, asc_val));
6014                                                 return;
6015                                         }
6016
6017                                         subopt_off += 2;
6018                                         raw_val = tvb_get_ntohs(tvb, subopt_off);
6019                                         asc_val = tvb_get_string_enc(pinfo->pool, tvb, subopt_off, 2, ENC_ASCII);
6020                                         subtree2 = proto_tree_add_subtree_format(subtree, tvb, subopt_off, 2,
6021                                                 ett_dhcp_option, &mib_ti, "%s (%s)",
6022                                                 val_to_str_const(raw_val, pkt_mdc_mib_orgs, "Unknown"),
6023                                                 format_text_string(pinfo->pool, asc_val));
6024                                         if (subopt_off > off + 4 + 2) {
6025                                                 proto_item_append_text(ti, ", ");
6026                                         }
6027                                         proto_item_append_text(ti, "%s", val_to_str_const(raw_val, pkt_mdc_mib_orgs, "Unknown"));
6028
6029                                         subopt_off += 2;
6030                                         asc_val = tvb_get_string_enc(pinfo->pool, tvb, subopt_off, 2, ENC_ASCII);
6031                                         if (sscanf((char*)asc_val, "%x", &mib_val) != 1) {
6032                                                 proto_tree_add_expert_format(v_tree, pinfo, &ei_dhcp_bad_bitfield, tvb, subopt_off, 2,
6033                                                         "Bogus bitfield: %s", format_text_string(pinfo->pool, asc_val));
6034                                                 return;
6035                                         }
6036                                         switch (raw_val) {
6037
6038                                         case PKT_MDC_MIB_CL: {
6039                                                 static int * const cl_flags[] = {
6040                                                         &hf_dhcp_pkt_mdc_mib_cl_mta,
6041                                                         &hf_dhcp_pkt_mdc_mib_cl_signaling,
6042                                                         &hf_dhcp_pkt_mdc_mib_cl_management_event,
6043                                                         &hf_dhcp_pkt_mdc_mib_cl_mta_extension,
6044                                                         &hf_dhcp_pkt_mdc_mib_cl_mta_signaling_extension,
6045                                                         &hf_dhcp_pkt_mdc_mib_cl_mta_mem_extension,
6046                                                         &hf_dhcp_pkt_mdc_mib_cl_reserved,
6047                                                         NULL
6048                                                 };
6049
6050                                                 proto_tree_add_bitmask_list_value(subtree2, tvb, subopt_off, 2, cl_flags, mib_val);
6051                                                 }
6052                                                 break;
6053
6054                                         case PKT_MDC_MIB_IETF: {
6055                                                 static int * const ietf_flags[] = {
6056                                                         &hf_dhcp_pkt_mdc_mib_ietf_mta,
6057                                                         &hf_dhcp_pkt_mdc_mib_ietf_signaling,
6058                                                         &hf_dhcp_pkt_mdc_mib_ietf_management_event,
6059                                                         &hf_dhcp_pkt_mdc_mib_ietf_reserved,
6060                                                         NULL
6061                                                 };
6062
6063                                                 proto_tree_add_bitmask_list_value(subtree2, tvb, subopt_off, 2, ietf_flags, mib_val);
6064                                                 }
6065                                                 break;
6066
6067                                         case PKT_MDC_MIB_EURO: {
6068                                                 static int * const euro_flags[] = {
6069                                                         &hf_dhcp_pkt_mdc_mib_euro_mta,
6070                                                         &hf_dhcp_pkt_mdc_mib_euro_signaling,
6071                                                         &hf_dhcp_pkt_mdc_mib_euro_management_event,
6072                                                         &hf_dhcp_pkt_mdc_mib_euro_mta_extension,
6073                                                         &hf_dhcp_pkt_mdc_mib_euro_mta_signaling_extension,
6074                                                         &hf_dhcp_pkt_mdc_mib_euro_mta_mem_extension,
6075                                                         &hf_dhcp_pkt_mdc_mib_euro_reserved,
6076                                                         NULL
6077                                                 };
6078
6079                                                 proto_tree_add_bitmask_list_value(subtree2, tvb, subopt_off, 2, euro_flags, mib_val);
6080                                                 }
6081                                                 break;
6082
6083                                         default:
6084                                                 break;
6085                                         }
6086                                         subopt_off += 2;
6087                                 }
6088
6089                         }
6090                         off += (tlv_len * 2) + 4;
6091                 }
6092         }
6093 }
6094
6095 static bool
6096 dissect_packetcable_mta_vendor_id_heur( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_ )
6097 {
6098         uint8_t* vendor_id;
6099
6100         if (tvb_reported_length(tvb) < 8) {
6101                 return false;
6102         }
6103
6104         vendor_id = tvb_get_string_enc(pinfo->pool, tvb, 0, 8, ENC_ASCII|ENC_NA);
6105         if ((strcmp((const char*)vendor_id, PACKETCABLE_MTA_CAP10) == 0) ||
6106                 (strcmp((const char*)vendor_id, PACKETCABLE_MTA_CAP15) == 0) ||
6107                 (strcmp((const char*)vendor_id, PACKETCABLE_MTA_CAP20) == 0)) {
6108                 dissect_packetcable_mta_cap(tree, pinfo, tvb, 0, tvb_reported_length(tvb));
6109                 return true;
6110         }
6111
6112         return false;
6113 }
6114
6115 /* DOCSIS Cable Modem device capabilities (option 60/option 125). */
6116 #define DOCSIS_CM_CAP_TLV_OFF 12
6117
6118 #define DOCSIS_CM_CAP_CONCAT_SUP        0x01
6119 #define DOCSIS_CM_CAP_DOCSIS_VER        0x02
6120 #define DOCSIS_CM_CAP_FRAG_SUP          0x03
6121 #define DOCSIS_CM_CAP_PHS_SUP           0x04
6122 #define DOCSIS_CM_CAP_IGMP_SUP          0x05
6123 #define DOCSIS_CM_CAP_PRIV_SUP          0x06
6124 #define DOCSIS_CM_CAP_DSAID_SUP         0x07
6125 #define DOCSIS_CM_CAP_USSF_SUP          0x08
6126 #define DOCSIS_CM_CAP_FILT_SUP          0x09
6127 #define DOCSIS_CM_CAP_TET_MI            0x0a
6128 #define DOCSIS_CM_CAP_TET               0x0b
6129 #define DOCSIS_CM_CAP_DCC_SUP           0x0c
6130 #define DOCSIS_CM_CAP_IPFILT_SUP        0x0d
6131 #define DOCSIS_CM_CAP_LLCFILT_SUP       0x0e
6132 #define DOCSIS_CM_CAP_EXPUNI_SPACE      0x0f
6133 #define DOCSIS_CM_CAP_RNGHLDOFF_SUP     0x10
6134 #define DOCSIS_CM_CAP_L2VPN_SUP         0x11
6135 #define DOCSIS_CM_CAP_L2VPN_HOST_SUP    0x12
6136 #define DOCSIS_CM_CAP_DUTFILT_SUP       0x13
6137 #define DOCSIS_CM_CAP_USFREQRNG_SUP     0x14
6138 #define DOCSIS_CM_CAP_USSYMRATE_SUP     0x15
6139 #define DOCSIS_CM_CAP_SACM2_SUP         0x16
6140 #define DOCSIS_CM_CAP_SACM2HOP_SUP      0x17
6141 #define DOCSIS_CM_CAP_MULTTXCHAN_SUP    0x18
6142 #define DOCSIS_CM_CAP_512USTXCHAN_SUP   0x19
6143 #define DOCSIS_CM_CAP_256USTXCHAN_SUP   0x1a
6144 #define DOCSIS_CM_CAP_TOTALSIDCLU_SUP   0x1b
6145 #define DOCSIS_CM_CAP_SIDCLUPERSF_SUP   0x1c
6146 #define DOCSIS_CM_CAP_MULTRXCHAN_SUP    0x1d
6147 #define DOCSIS_CM_CAP_TOTALDSID_SUP     0x1e
6148 #define DOCSIS_CM_CAP_RESEQDSID_SUP     0x1f
6149 #define DOCSIS_CM_CAP_MULTDSID_SUP      0x20
6150 #define DOCSIS_CM_CAP_MULTDSIDFW_SUP    0x21
6151 #define DOCSIS_CM_CAP_FCTF_SUP          0x22
6152 #define DOCSIS_CM_CAP_DPV_SUP           0x23
6153 #define DOCSIS_CM_CAP_UGSPERUSFLOW_SUP  0x24
6154 #define DOCSIS_CM_CAP_MAPUCDRECEIPT_SUP 0x25
6155 #define DOCSIS_CM_CAP_USDROPCLASSIF_SUP 0x26
6156 #define DOCSIS_CM_CAP_IPV6_SUP          0x27
6157 #define DOCSIS_CM_CAP_ExUsTrPow         0x28
6158 #define DOCSIS_CM_CAP_Opt802MPLSSup             0x29
6159 #define DOCSIS_CM_CAP_DounEnc           0x2a
6160 #define DOCSIS_CM_CAP_EnrgMang          0x2c
6161
6162 static const value_string docsis_cm_cap_type_vals[] = {
6163         { DOCSIS_CM_CAP_CONCAT_SUP,             "Concatenation Support" },
6164         { DOCSIS_CM_CAP_DOCSIS_VER,             "DOCSIS Version" },
6165         { DOCSIS_CM_CAP_FRAG_SUP,               "Fragmentation Support" },
6166         { DOCSIS_CM_CAP_PHS_SUP,                "Payload Header Suppression Support" },
6167         { DOCSIS_CM_CAP_IGMP_SUP,               "IGMP Support" },
6168         { DOCSIS_CM_CAP_PRIV_SUP,               "Privacy Support" },
6169         { DOCSIS_CM_CAP_DSAID_SUP,              "Downstream SAID Support" },
6170         { DOCSIS_CM_CAP_USSF_SUP,               "Upstream Service Flow Support" },
6171         { DOCSIS_CM_CAP_FILT_SUP,               "Optional Filtering Support" },
6172         { DOCSIS_CM_CAP_TET_MI,                 "Transmit Equalizer Taps per Modulation Interval" },
6173         { DOCSIS_CM_CAP_TET,                    "Number of Transmit Equalizer Taps" },
6174         { DOCSIS_CM_CAP_DCC_SUP,                "DCC Support" },
6175         { DOCSIS_CM_CAP_IPFILT_SUP,             "IP Filters Support" },
6176         { DOCSIS_CM_CAP_LLCFILT_SUP,            "LLC Filters Support" },
6177         { DOCSIS_CM_CAP_EXPUNI_SPACE,           "Expanded Unicast SID Space" },
6178         { DOCSIS_CM_CAP_RNGHLDOFF_SUP,          "Ranging Hold-Off Support" },
6179         { DOCSIS_CM_CAP_L2VPN_SUP,              "L2VPN Capability" },
6180         { DOCSIS_CM_CAP_L2VPN_HOST_SUP,         "L2VPN eSAFE Host Capability" },
6181         { DOCSIS_CM_CAP_DUTFILT_SUP,            "Downstream Unencrypted Traffic (DUT) Filtering" },
6182         { DOCSIS_CM_CAP_USFREQRNG_SUP,          "Upstream Frequency Range Support" },
6183         { DOCSIS_CM_CAP_USSYMRATE_SUP,          "Upstream Symbol Rate Support" },
6184         { DOCSIS_CM_CAP_SACM2_SUP,              "Selectable Active Code Mode 2 Support" },
6185         { DOCSIS_CM_CAP_SACM2HOP_SUP,           "Code Hopping Mode 2 Support" },
6186         { DOCSIS_CM_CAP_MULTTXCHAN_SUP,         "Multiple Transmit Channel Support" },
6187         { DOCSIS_CM_CAP_512USTXCHAN_SUP,        "5.12 Msps Upstream Transmit Channel Support" },
6188         { DOCSIS_CM_CAP_256USTXCHAN_SUP,        "2.56 Msps Upstream Transmit Channel Support" },
6189         { DOCSIS_CM_CAP_TOTALSIDCLU_SUP,        "Total SID Cluster Support" },
6190         { DOCSIS_CM_CAP_SIDCLUPERSF_SUP,        "SID Clusters per Service Flow Support" },
6191         { DOCSIS_CM_CAP_MULTRXCHAN_SUP,         "Multiple Receive Channel Support" },
6192         { DOCSIS_CM_CAP_TOTALDSID_SUP,          "Total Downstream Service ID (DSID) Support" },
6193         { DOCSIS_CM_CAP_RESEQDSID_SUP,          "Resequencing Downstream Service ID (DSID) Support" },
6194         { DOCSIS_CM_CAP_MULTDSID_SUP,           "Multicast Downstream Service ID (DSID) Support" },
6195         { DOCSIS_CM_CAP_MULTDSIDFW_SUP,         "Multicast DSID Forwarding" },
6196         { DOCSIS_CM_CAP_FCTF_SUP,               "Frame Control Type Forwarding Capability" },
6197         { DOCSIS_CM_CAP_DPV_SUP,                "DPV Capability" },
6198         { DOCSIS_CM_CAP_UGSPERUSFLOW_SUP,       "Unsolicited Grant Service/Upstream Service Flow Support" },
6199         { DOCSIS_CM_CAP_MAPUCDRECEIPT_SUP,      "MAP and UCD Receipt Support" },
6200         { DOCSIS_CM_CAP_USDROPCLASSIF_SUP,      "Upstream Drop Classifier Support" },
6201         { DOCSIS_CM_CAP_IPV6_SUP,               "IPv6 Support" },
6202         { DOCSIS_CM_CAP_ExUsTrPow,              "Extended Upstream Transmit Power Capability (1/4 dB)" },
6203         { DOCSIS_CM_CAP_Opt802MPLSSup,          "Optional 802.1ad, 802.1ah, MPLS Classification Support" },
6204         { DOCSIS_CM_CAP_DounEnc,                "D-ONU Capabilities Encoding" },
6205         { DOCSIS_CM_CAP_EnrgMang,               "Energy Management Capabilities" },
6206         { 0, NULL }
6207 };
6208
6209 static const value_string docsis_cm_cap_supported_vals[] = {
6210         { 0x00, "Not Support" },
6211         { 0x01, "Supported" },
6212         { 0,            NULL }
6213 };
6214
6215 static const value_string docsis_cm_cap_version_vals[] = {
6216         { 0x00, "DOCSIS 1.0" },
6217         { 0x01, "DOCSIS 1.1" },
6218         { 0x02, "DOCSIS 2.0" },
6219         { 0x03, "DOCSIS 3.0" },
6220         { 0,            NULL }
6221 };
6222
6223 static const value_string docsis_cm_cap_privacy_vals[] = {
6224         { 0x00, "BPI Support" },
6225         { 0x01, "BPI Plus Support" },
6226         { 0,            NULL }
6227 };
6228
6229 static int hf_dhcp_docsis_cm_cap_ranging_hold_off_cm;
6230 static int hf_dhcp_docsis_cm_cap_ranging_hold_off_eps;
6231 static int hf_dhcp_docsis_cm_cap_ranging_hold_off_emta;
6232 static int hf_dhcp_docsis_cm_cap_ranging_hold_off_dsg;
6233
6234 static const value_string docsis_cm_cap_l2vpn_vals[] = {
6235         { 0x00, "CM not compliant with DOCSIS L2VPN Section 7 (default)" },
6236         { 0x01, "CM compliant with DOCSIS L2VPN Section 7" },
6237         { 0,            NULL }
6238 };
6239
6240 static const value_string docsis_cm_cap_filt_vals[] = {
6241         { 0x00, "802.1P Filtering" },
6242         { 0x01, "802.1Q Filtering" },
6243         { 0,            NULL }
6244 };
6245
6246 static int hf_dhcp_docsis_cm_cap_mpls_stpid;
6247 static int hf_dhcp_docsis_cm_cap_mpls_svid;
6248 static int hf_dhcp_docsis_cm_cap_mpls_spcp;
6249 static int hf_dhcp_docsis_cm_cap_mpls_sdei;
6250 static int hf_dhcp_docsis_cm_cap_mpls_ctpid;
6251 static int hf_dhcp_docsis_cm_cap_mpls_cvid;
6252 static int hf_dhcp_docsis_cm_cap_mpls_cpcp;
6253 static int hf_dhcp_docsis_cm_cap_mpls_ccfi;
6254 static int hf_dhcp_docsis_cm_cap_mpls_stci;
6255 static int hf_dhcp_docsis_cm_cap_mpls_ctci;
6256 static int hf_dhcp_docsis_cm_cap_mpls_itpid;
6257 static int hf_dhcp_docsis_cm_cap_mpls_isid;
6258 static int hf_dhcp_docsis_cm_cap_mpls_itci;
6259 static int hf_dhcp_docsis_cm_cap_mpls_ipcp;
6260 static int hf_dhcp_docsis_cm_cap_mpls_idei;
6261 static int hf_dhcp_docsis_cm_cap_mpls_iuca;
6262 static int hf_dhcp_docsis_cm_cap_mpls_btpid;
6263 static int hf_dhcp_docsis_cm_cap_mpls_btci;
6264 static int hf_dhcp_docsis_cm_cap_mpls_bpcp;
6265 static int hf_dhcp_docsis_cm_cap_mpls_bdei;
6266 static int hf_dhcp_docsis_cm_cap_mpls_bvid;
6267 static int hf_dhcp_docsis_cm_cap_mpls_bda;
6268 static int hf_dhcp_docsis_cm_cap_mpls_bsa;
6269 static int hf_dhcp_docsis_cm_cap_mpls_tc;
6270 static int hf_dhcp_docsis_cm_cap_mpls_label;
6271
6272 static const value_string docsis_cm_cap_enrgmang_vals[] = {
6273         { 0x00, "Energy Management 1x1 Feature" },
6274         { 0,            NULL }
6275 };
6276
6277 static const value_string docsis_cm_cap_usfreqrng_vals[] = {
6278         { 0x00, "Standard Upstream Frequency Range" },
6279         { 0x01, "Standard Upstream Frequency Range and Extended Upstream Frequency Range" },
6280         { 0,            NULL }
6281 };
6282
6283 static const value_string docsis_cm_cap_map_ucd_receipt_vals[] = {
6284         { 0x00, "CM cannot support the receipt of MAPs and UCDs on downstreams other than the Primary Downstream Channel" },
6285         { 0x01, "CM can support the receipt of MAPs and UCDs on downstreams other than the Primary Downstream Channel" },
6286         { 0,            NULL }
6287 };
6288
6289 static const value_string docsis_cm_cap_map_dpv_support_vals[] = {
6290         { 0x00, "U1 supported as a Start Reference Point for DPV per Path" },
6291         { 0x01, "U1 supported as a Start Reference Point for DPV per Packet" },
6292         { 0,            NULL }
6293 };
6294
6295 static const value_string docsis_cm_cap_map_multDsidForward_support_vals[] = {
6296         { 0x00, "No support for multicast DSID forwarding" },
6297         { 0x01, "Support for GMAC explicit multicast DSID forwarding" },
6298         { 0x02, "Support for GMAC promiscuous multicast DSID forwarding" },
6299         { 0,            NULL }
6300 };
6301
6302 static const value_string docsis_cm_cap_map_fctfc_support_vals[] = {
6303         { 0x00, "Isolation Packet PDU MAC Header (FC_Type of 10) is not forwarded" },
6304         { 0x01, "Isolation Packet PDU MAC Header (FC_Type of 10) is forwarded" },
6305         { 0,            NULL }
6306 };
6307
6308 static const value_string docsis_cm_cap_map_l2vpn_esafe_index_support_vals[] = {
6309         { 0x01, "ePs or eRouter" },
6310         { 0x10, "eMTA" },
6311         { 0x11, "eSTB-IP" },
6312         { 0x12, "eSTB-DSG" },
6313         { 0x13, "eTEA" },
6314         { 0,            NULL }
6315 };
6316
6317 static int hf_dhcp_docsis_cm_cap_ussymrate_160;
6318 static int hf_dhcp_docsis_cm_cap_ussymrate_320;
6319 static int hf_dhcp_docsis_cm_cap_ussymrate_640;
6320 static int hf_dhcp_docsis_cm_cap_ussymrate_1280;
6321 static int hf_dhcp_docsis_cm_cap_ussymrate_2560;
6322 static int hf_dhcp_docsis_cm_cap_ussymrate_5120;
6323
6324 static void
6325 display_uint_with_range_checking(proto_item *ti, uint8_t val_byte, uint16_t val_uint16, int min_value, int max_value)
6326 {
6327         uint16_t value;
6328
6329         if (0 != val_byte)
6330         {
6331                 value = val_byte;
6332         }
6333         else
6334         {
6335                 value = val_uint16;
6336         }
6337         proto_item_append_text(ti, "%i", value);
6338         if ((value < min_value) ||
6339             (value > max_value))
6340         {
6341                 proto_item_append_text(ti, " (Value Out-of-Range [%i..%i])", min_value, max_value);
6342         }
6343 }
6344
6345 static void get_opt125_tlv(wmem_allocator_t *scope, tvbuff_t *tvb, unsigned off, uint8_t *tlvtype, uint8_t *tlvlen, uint8_t **value)
6346 {
6347         /* Type */
6348         *tlvtype = tvb_get_uint8(tvb, off);
6349         /* Length */
6350         *tlvlen  = tvb_get_uint8(tvb, off+1);
6351         /* Value */
6352         *value = (uint8_t *)tvb_memdup(scope, tvb, off + 2, *tlvlen);
6353 }
6354
6355 static void get_opt60_tlv(wmem_allocator_t *scope, tvbuff_t *tvb, unsigned off, uint8_t *tlvtype, uint8_t *tlvlen, uint8_t **value)
6356 {
6357         unsigned        i;
6358         uint8_t *val_asc;
6359
6360         val_asc = (uint8_t *)wmem_alloc0(scope, 4);
6361         /* Type */
6362         tvb_memcpy(tvb, val_asc, off, 2);
6363         *tlvtype = (uint8_t)strtoul((char*)val_asc, NULL, 16);
6364         /* Length */
6365         tvb_memcpy(tvb, val_asc, off + 2, 2);
6366         *tlvlen = (uint8_t)strtoul((char*)val_asc, NULL, 16);
6367         /* Value */
6368         *value = (uint8_t *)wmem_alloc0(scope, *tlvlen);
6369         for (i=0; i<*tlvlen; i++)
6370         {
6371                 memset(val_asc, 0, 4);
6372                 tvb_memcpy(tvb, val_asc, off + ((i*2) + 4), 2);
6373                 (*value)[i] = (uint8_t)strtoul((char*)val_asc, NULL, 16);
6374         }
6375 }
6376
6377 static void
6378 dissect_docsis_cm_cap(packet_info *pinfo, proto_tree *v_tree, tvbuff_t *tvb, int voff, int len, bool opt125)
6379 {
6380         uint8_t    *asc_val;
6381         proto_item *ti;
6382         proto_tree *subtree;
6383         uint8_t     tlv_type;
6384         uint8_t     tlv_len;
6385         uint8_t     val_byte   = 0;
6386         uint16_t            val_uint16 = 0;
6387         uint8_t    *val_other  = NULL;
6388         unsigned            off        = voff;
6389
6390         asc_val = (uint8_t*)wmem_alloc0(pinfo->pool, 4);
6391
6392         if (opt125)
6393         {
6394                 /* Option 125 is formatted as uint8's */
6395                 /* Type */
6396                 tlv_type = tvb_get_uint8(tvb, off);
6397                 /* Length */
6398                 tlv_len  = tvb_get_uint8(tvb, off+1);
6399                 proto_tree_add_uint(v_tree, hf_dhcp_docsis_cm_cap_len, tvb, off+1, 1, tlv_len);
6400         }
6401         else
6402         {
6403                 /* Option 60 is formatted as an ASCII string.
6404                    Since the capabilities are the same for both options
6405                    I am converting the Option 60 values from ASCII to
6406                    uint8s to allow the same parser to work for both */
6407                 off += DOCSIS_CM_CAP_TLV_OFF;
6408                 tvb_memcpy (tvb, asc_val, off, 2);
6409                 tlv_len = (uint8_t)strtoul((char*)asc_val, NULL, 16);
6410                 proto_tree_add_uint_format_value(v_tree, hf_dhcp_docsis_cm_cap_len, tvb, off+2, 2,
6411                                                  tlv_len, "%d", tlv_len);
6412         }
6413
6414         off+=2;
6415
6416         while (off - ((unsigned) voff) < ((unsigned) len))
6417         {
6418                 tlv_type = 0;
6419                 tlv_len = 0;
6420                 val_byte = 0;
6421                 val_uint16 = 0;
6422
6423                 if (opt125)
6424                 {
6425                         get_opt125_tlv(pinfo->pool, tvb, off, &tlv_type, &tlv_len, &val_other);
6426                         ti =  proto_tree_add_uint_format(v_tree, hf_dhcp_docsis_cm_cap_type, tvb, off,
6427                                                          tlv_len + 2,
6428                                                          tlv_type,
6429                                                          "0x%02x: %s = ",
6430                                                          tlv_type,
6431                                                          val_to_str_const(tlv_type, docsis_cm_cap_type_vals, "unknown"));
6432                 }
6433                 else
6434                 {
6435                         /* Option 60 is formatted as an ASCII string.  Since the capabilities
6436                            are the same for both options I am converting the Option 60 values
6437                            from ASCII to uint8s to allow the same parser to work for both */
6438                         get_opt60_tlv(pinfo->pool, tvb, off, &tlv_type, &tlv_len, &val_other);
6439                         ti =  proto_tree_add_uint_format(v_tree, hf_dhcp_docsis_cm_cap_type, tvb, off,
6440                                                          (tlv_len * 2) + 4,
6441                                                          tlv_type,
6442                                                          "0x%02x: %s = ",
6443                                                          tlv_type,
6444                                                          val_to_str_const(tlv_type, docsis_cm_cap_type_vals, "unknown"));
6445                 }
6446
6447                 if (tlv_len == 1)
6448                 {
6449                         /* The value refers to a byte. */
6450                         val_byte = val_other[0];
6451                 }
6452                 else
6453                 {
6454                         if (tlv_len == 2)
6455                         {
6456                                 /* The value refers to a uint16. */
6457                                 val_uint16 = (val_other[0] << 8) + val_other[1];
6458                         }
6459                 }
6460
6461                 switch (tlv_type)
6462                 {
6463                 case DOCSIS_CM_CAP_CONCAT_SUP:
6464                 case DOCSIS_CM_CAP_FRAG_SUP:
6465                 case DOCSIS_CM_CAP_PHS_SUP:
6466                 case DOCSIS_CM_CAP_IGMP_SUP:
6467                 case DOCSIS_CM_CAP_DCC_SUP:
6468                 case DOCSIS_CM_CAP_EXPUNI_SPACE:
6469                 case DOCSIS_CM_CAP_DUTFILT_SUP:
6470                 case DOCSIS_CM_CAP_SACM2_SUP:
6471                 case DOCSIS_CM_CAP_SACM2HOP_SUP:
6472                 case DOCSIS_CM_CAP_IPV6_SUP:
6473                         proto_item_append_text(ti,
6474                                                "%s",
6475                                                val_to_str_const(val_byte, docsis_cm_cap_supported_vals, "Reserved"));
6476                         break;
6477                 case DOCSIS_CM_CAP_DOCSIS_VER:
6478                         proto_item_append_text(ti,
6479                                                "%s",
6480                                                val_to_str_const(val_byte, docsis_cm_cap_version_vals, "Reserved"));
6481                         break;
6482                 case DOCSIS_CM_CAP_PRIV_SUP:
6483                         proto_item_append_text(ti,
6484                                                "%s",
6485                                                val_to_str_const(val_byte, docsis_cm_cap_privacy_vals, "Reserved"));
6486                         break;
6487                 case DOCSIS_CM_CAP_FILT_SUP:
6488                         proto_item_append_text(ti,
6489                                                "%s",
6490                                                val_to_str_const(val_byte, docsis_cm_cap_filt_vals, "Reserved"));
6491                         break;
6492                 case DOCSIS_CM_CAP_L2VPN_SUP:
6493                         proto_item_append_text(ti,
6494                                                "%s",
6495                                                val_to_str_const(val_byte, docsis_cm_cap_l2vpn_vals, "Reserved"));
6496                         break;
6497                 case DOCSIS_CM_CAP_L2VPN_HOST_SUP:
6498                         if (tlv_len == 7) {
6499                                 proto_item_append_text(ti,
6500                                                        "eSAFE ifIndex %s (%i)/eSAFE MAC %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
6501                                                        val_to_str_const(val_other[0], docsis_cm_cap_map_l2vpn_esafe_index_support_vals, "Reserved"),
6502                                                        val_other[0],
6503                                                        val_other[1],
6504                                                        val_other[2],
6505                                                        val_other[3],
6506                                                        val_other[4],
6507                                                        val_other[5],
6508                                                        val_other[6]);
6509                         } else {
6510                                 proto_item_append_text(ti,
6511                                                        "Invalid (length should be 7, is %d)",
6512                                                        tlv_len);
6513                         }
6514                         break;
6515                 case DOCSIS_CM_CAP_USFREQRNG_SUP:
6516                         proto_item_append_text(ti,
6517                                                "%s",
6518                                                val_to_str_const(val_byte, docsis_cm_cap_usfreqrng_vals, "Reserved"));
6519                         break;
6520                 case DOCSIS_CM_CAP_MAPUCDRECEIPT_SUP:
6521                         proto_item_append_text(ti,
6522                                                "%s",
6523                                                val_to_str_const(val_byte, docsis_cm_cap_map_ucd_receipt_vals, "Reserved"));
6524                         break;
6525                 case DOCSIS_CM_CAP_DPV_SUP:
6526                         proto_item_append_text(ti,
6527                                                "%s",
6528                                                val_to_str_const(val_byte, docsis_cm_cap_map_dpv_support_vals, "Reserved"));
6529                         break;
6530                 case DOCSIS_CM_CAP_DSAID_SUP:
6531                 case DOCSIS_CM_CAP_MULTTXCHAN_SUP:
6532                 case DOCSIS_CM_CAP_512USTXCHAN_SUP:
6533                 case DOCSIS_CM_CAP_256USTXCHAN_SUP:
6534                 case DOCSIS_CM_CAP_TOTALSIDCLU_SUP:
6535                 case DOCSIS_CM_CAP_MULTRXCHAN_SUP:
6536                 case DOCSIS_CM_CAP_UGSPERUSFLOW_SUP:
6537                 case DOCSIS_CM_CAP_USSF_SUP:
6538                         display_uint_with_range_checking(ti, val_byte, val_uint16, 0, 255);
6539                         break;
6540                 case DOCSIS_CM_CAP_RESEQDSID_SUP:
6541                 case DOCSIS_CM_CAP_MULTDSID_SUP:
6542                         display_uint_with_range_checking(ti, val_byte, val_uint16, 16, 255);
6543                         break;
6544                 case DOCSIS_CM_CAP_SIDCLUPERSF_SUP:
6545                         display_uint_with_range_checking(ti, val_byte, val_uint16, 2, 8);
6546                         break;
6547                 case DOCSIS_CM_CAP_TOTALDSID_SUP:
6548                         display_uint_with_range_checking(ti, val_byte, val_uint16, 32, 255);
6549                         break;
6550                 case DOCSIS_CM_CAP_TET:
6551                         display_uint_with_range_checking(ti, val_byte, val_uint16, 8, 64);
6552                         break;
6553                 case DOCSIS_CM_CAP_TET_MI:
6554                         if ((val_byte == 1) ||
6555                             (val_byte == 2) ||
6556                             (val_byte == 4))
6557                         {
6558                                 proto_item_append_text(ti,
6559                                                        " %i",
6560                                                        val_byte);
6561                         }
6562                         else
6563                         {
6564                                 proto_item_append_text(ti,
6565                                                        " (Invalid Value %i : Should be [1,2,4]",
6566                                                        val_byte);
6567                         }
6568                         break;
6569                 case DOCSIS_CM_CAP_IPFILT_SUP:
6570                 case DOCSIS_CM_CAP_USDROPCLASSIF_SUP:
6571                         display_uint_with_range_checking(ti, val_byte, val_uint16, 64, 65535);
6572                         break;
6573                 case DOCSIS_CM_CAP_LLCFILT_SUP:
6574                         display_uint_with_range_checking(ti, val_byte, val_uint16, 10, 65535);
6575                         break;
6576                 case DOCSIS_CM_CAP_ExUsTrPow:
6577                         if (val_byte == 0)
6578                         {
6579                                 proto_item_append_text(ti, "%i", val_byte);
6580                         }
6581                         else
6582                         {
6583                                 display_uint_with_range_checking(ti, val_byte, val_uint16, 205, 244);
6584                         }
6585                         break;
6586                 case DOCSIS_CM_CAP_Opt802MPLSSup:
6587                         proto_item_append_text(ti,
6588                                                "0x%02x", val_byte);
6589                 case DOCSIS_CM_CAP_DounEnc:
6590                         /* TODO: add D-ONU Capabilities Encoding according DPoE-SP-MULPIv1.0-I02-120607 */
6591                         break;
6592                 case DOCSIS_CM_CAP_EnrgMang:
6593                         proto_item_append_text(ti,
6594                                                "%s",
6595                                                val_to_str_const(val_byte, docsis_cm_cap_enrgmang_vals, "Reserved"));
6596                         break;
6597                 case DOCSIS_CM_CAP_RNGHLDOFF_SUP:
6598                         proto_item_append_text(ti,
6599                                                "Ranging ID ");
6600                         if (tlv_len == 4)
6601                         {
6602                                 proto_item_append_text(ti,
6603                                                 "(0x%04x)", (val_other[0] << sizeof(uint8_t)) + val_other[1]);
6604                                 proto_item_append_text(ti,
6605                                                 " Component Bit Mask ");
6606                                 proto_item_append_text(ti,
6607                                                 "(0x%04x)", (val_other[2] << sizeof(uint8_t)) + val_other[3]);
6608                         }
6609                         else
6610                         {
6611                                 proto_item_append_text(ti,
6612                                                 " (Invalid Length %u : Should be 4",
6613                                                 tlv_len);
6614                         }
6615                         break;
6616                 case DOCSIS_CM_CAP_USSYMRATE_SUP:
6617                         proto_item_append_text(ti,
6618                                                "0x%02x", val_byte);
6619                         break;
6620                 case DOCSIS_CM_CAP_FCTF_SUP:
6621                         proto_item_append_text(ti,
6622                                                "%s",
6623                                                val_to_str_const(val_byte, docsis_cm_cap_map_fctfc_support_vals, "Reserved"));
6624                         break;
6625                 case DOCSIS_CM_CAP_MULTDSIDFW_SUP:
6626                         proto_item_append_text(ti,
6627                                                "%s",
6628                                                val_to_str_const(val_byte, docsis_cm_cap_map_multDsidForward_support_vals, "Reserved"));
6629                         break;
6630                 }
6631
6632                 subtree = proto_item_add_subtree(ti, ett_dhcp_option);
6633                 if (tlv_type == DOCSIS_CM_CAP_RNGHLDOFF_SUP && tlv_len >= 4)
6634                 {
6635                         static int * const flags[] = {
6636                                 &hf_dhcp_docsis_cm_cap_ranging_hold_off_cm,
6637                                 &hf_dhcp_docsis_cm_cap_ranging_hold_off_eps,
6638                                 &hf_dhcp_docsis_cm_cap_ranging_hold_off_emta,
6639                                 &hf_dhcp_docsis_cm_cap_ranging_hold_off_dsg,
6640                                 NULL
6641                         };
6642                         val_uint16 = (val_other[2] << sizeof(uint8_t)) + val_other[3];
6643
6644                         proto_tree_add_bitmask_list_value(subtree, tvb, off + 2, 4, flags, val_uint16);
6645                 }
6646                 if (tlv_type == DOCSIS_CM_CAP_USSYMRATE_SUP)
6647                 {
6648                         static int * const flags[] = {
6649                                 &hf_dhcp_docsis_cm_cap_ussymrate_160,
6650                                 &hf_dhcp_docsis_cm_cap_ussymrate_320,
6651                                 &hf_dhcp_docsis_cm_cap_ussymrate_640,
6652                                 &hf_dhcp_docsis_cm_cap_ussymrate_1280,
6653                                 &hf_dhcp_docsis_cm_cap_ussymrate_2560,
6654                                 &hf_dhcp_docsis_cm_cap_ussymrate_5120,
6655                                 NULL
6656                         };
6657
6658                         proto_tree_add_bitmask_list_value(subtree, tvb, off + 2, 1, flags, val_byte);
6659                 }
6660                 if (tlv_type == DOCSIS_CM_CAP_Opt802MPLSSup && tlv_len >= 4)
6661                 {
6662                         static int * const flags[] = {
6663                                 &hf_dhcp_docsis_cm_cap_mpls_stpid,
6664                                 &hf_dhcp_docsis_cm_cap_mpls_svid,
6665                                 &hf_dhcp_docsis_cm_cap_mpls_spcp,
6666                                 &hf_dhcp_docsis_cm_cap_mpls_sdei,
6667                                 &hf_dhcp_docsis_cm_cap_mpls_ctpid,
6668                                 &hf_dhcp_docsis_cm_cap_mpls_cvid,
6669                                 &hf_dhcp_docsis_cm_cap_mpls_cpcp,
6670                                 &hf_dhcp_docsis_cm_cap_mpls_ccfi,
6671                                 &hf_dhcp_docsis_cm_cap_mpls_stci,
6672                                 &hf_dhcp_docsis_cm_cap_mpls_ctci,
6673                                 &hf_dhcp_docsis_cm_cap_mpls_itpid,
6674                                 &hf_dhcp_docsis_cm_cap_mpls_isid,
6675                                 &hf_dhcp_docsis_cm_cap_mpls_itci,
6676                                 &hf_dhcp_docsis_cm_cap_mpls_ipcp,
6677                                 &hf_dhcp_docsis_cm_cap_mpls_idei,
6678                                 &hf_dhcp_docsis_cm_cap_mpls_iuca,
6679                                 &hf_dhcp_docsis_cm_cap_mpls_btpid,
6680                                 &hf_dhcp_docsis_cm_cap_mpls_btci,
6681                                 &hf_dhcp_docsis_cm_cap_mpls_bpcp,
6682                                 &hf_dhcp_docsis_cm_cap_mpls_bdei,
6683                                 &hf_dhcp_docsis_cm_cap_mpls_bvid,
6684                                 &hf_dhcp_docsis_cm_cap_mpls_bda,
6685                                 &hf_dhcp_docsis_cm_cap_mpls_bsa,
6686                                 &hf_dhcp_docsis_cm_cap_mpls_tc,
6687                                 &hf_dhcp_docsis_cm_cap_mpls_label,
6688                                 NULL
6689                         };
6690                         val_uint16 = (val_other[2] << sizeof(uint8_t)) + val_other[3];
6691
6692                         proto_tree_add_bitmask_list_value(subtree, tvb, off + 2, 4, flags, val_uint16);
6693                 }
6694                 if (opt125)
6695                 {
6696                         off += (tlv_len) + 2;
6697                 }
6698                 else
6699                 {
6700                         off += (tlv_len *2) + 4;
6701                 }
6702
6703         }
6704 }
6705
6706 static bool
6707 dissect_packetcable_cm_vendor_id_heur( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_ )
6708 {
6709         uint8_t* vendor_id;
6710
6711         if (tvb_reported_length(tvb) < 10) {
6712                 return false;
6713         }
6714
6715         vendor_id = tvb_get_string_enc(pinfo->pool, tvb, 0, 10, ENC_ASCII|ENC_NA);
6716         if ((strcmp((const char*)vendor_id, PACKETCABLE_CM_CAP11) == 0) ||
6717                 (strcmp((const char*)vendor_id, PACKETCABLE_CM_CAP20) == 0)) {
6718                 dissect_docsis_cm_cap(pinfo, tree, tvb, 0, tvb_reported_length(tvb), false);
6719                 return true;
6720         }
6721
6722         if ((strcmp((const char*)vendor_id, PACKETCABLE_CM_CAP30) == 0)) {
6723                 proto_tree_add_item(tree, hf_dhcp_option_vendor_class_data, tvb, 0, tvb_reported_length(tvb), ENC_ASCII);
6724                 return true;
6725         }
6726
6727         return false;
6728 }
6729
6730 static bool
6731 dissect_apple_bsdp_vendor_id_heur(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
6732
6733 {
6734         int vendor_id_len = (int)strlen(APPLE_BSDP_CLIENT);
6735         if ((int)tvb_reported_length(tvb) < vendor_id_len) {
6736                 return false;
6737         }
6738
6739         if (tvb_memeql(tvb, 0, (const uint8_t*)APPLE_BSDP_CLIENT, vendor_id_len) == 0) {
6740                 proto_tree_add_item(tree, hf_dhcp_option_vendor_class_data, tvb, vendor_id_len, tvb_reported_length_remaining(tvb, vendor_id_len), ENC_ASCII);
6741                 return true;
6742         }
6743
6744         return false;
6745 }
6746
6747
6748 /* Definitions specific to PKT-SP-PROV-I05-021127 begin with "PKT_CCC_I05".
6749    Definitions specific to IETF draft 5 and RFC 3495 begin with "PKT_CCC_IETF".
6750    Shared definitions begin with "PKT_CCC".
6751  */
6752 #define PKT_CCC_PRI_DHCP       1
6753 #define PKT_CCC_SEC_DHCP       2
6754 #define PKT_CCC_I05_SNMP       3
6755 #define PKT_CCC_IETF_PROV_SRV  3
6756 #define PKT_CCC_I05_PRI_DNS    4
6757 #define PKT_CCC_IETF_AS_KRB    4
6758 #define PKT_CCC_I05_SEC_DNS    5
6759 #define PKT_CCC_IETF_AP_KRB    5
6760 #define PKT_CCC_KRB_REALM      6
6761 #define PKT_CCC_TGT_FLAG       7
6762 #define PKT_CCC_PROV_TIMER     8
6763 #define PKT_CCC_CMS_FQDN       9
6764 #define PKT_CCC_IETF_SEC_TKT   9
6765 #define PKT_CCC_AS_KRB        10
6766 #define PKT_CCC_AP_KRB        11
6767 #define PKT_CCC_MTA_KRB_CLEAR 12
6768
6769 static const value_string pkt_i05_ccc_opt_vals[] = {
6770         { PKT_CCC_PRI_DHCP,             "Primary DHCP Server" },
6771         { PKT_CCC_SEC_DHCP,             "Secondary DHCP Server" },
6772         { PKT_CCC_I05_SNMP,             "SNMP Entity" },
6773         { PKT_CCC_I05_PRI_DNS,          "Primary DNS Server" },
6774         { PKT_CCC_I05_SEC_DNS,          "Secondary DNS Server" },
6775         { PKT_CCC_KRB_REALM,            "Kerberos Realm" },
6776         { PKT_CCC_TGT_FLAG,             "MTA should fetch TGT?" },
6777         { PKT_CCC_PROV_TIMER,           "Provisioning Timer" },
6778         { PKT_CCC_CMS_FQDN,             "CMS FQDN" },
6779         { PKT_CCC_AS_KRB,               "AS-REQ/AS-REP Backoff and Retry" },
6780         { PKT_CCC_AP_KRB,               "AP-REQ/AP-REP Backoff and Retry" },
6781         { PKT_CCC_MTA_KRB_CLEAR,        "MTA should clear Kerberos tickets?" },
6782         { 0, NULL },
6783 };
6784
6785 static const value_string pkt_draft5_ccc_opt_vals[] = {
6786         { PKT_CCC_PRI_DHCP,             "TSP's Primary DHCP Server" },
6787         { PKT_CCC_SEC_DHCP,             "TSP's Secondary DHCP Server" },
6788         { PKT_CCC_IETF_PROV_SRV,        "TSP's Provisioning Server" },
6789         { PKT_CCC_IETF_AS_KRB,          "TSP's AS-REQ/AS-REP Backoff and Retry" },
6790         { PKT_CCC_IETF_AP_KRB,          "TSP's AP-REQ/AP-REP Backoff and Retry" },
6791         { PKT_CCC_KRB_REALM,            "TSP's Kerberos Realm Name" },
6792         { PKT_CCC_TGT_FLAG,             "TSP's Ticket Granting Server Utilization" },
6793         { PKT_CCC_PROV_TIMER,           "TSP's Provisioning Timer Value" },
6794         { PKT_CCC_IETF_SEC_TKT,         "PacketCable Security Ticket Control" },
6795         { 0, NULL },
6796 };
6797
6798 static const value_string pkt_i05_ccc_ticket_ctl_vals[] = {
6799         { 1, "Invalidate Provisioning Application Server's ticket" },
6800         { 2, "Invalidate all CMS Application Server tickets" },
6801         { 3, "Invalidate all Application Server tickets" },
6802         { 0, NULL },
6803 };
6804
6805 static int
6806 dissect_packetcable_i05_ccc(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree,
6807                             tvbuff_t *tvb, int optoff, int optend)
6808 {
6809         int         suboptoff = optoff;
6810         uint8_t     subopt, subopt_len, fetch_tgt, timer_val, ticket_ctl;
6811         proto_tree *pkt_s_tree;
6812         proto_item *vti;
6813
6814         subopt = tvb_get_uint8(tvb, optoff);
6815         suboptoff++;
6816
6817         if (suboptoff >= optend) {
6818                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
6819                                                                         "Suboption %d: no room left in option for suboption length", subopt);
6820                 return (optend);
6821         }
6822
6823         subopt_len = tvb_get_uint8(tvb, optoff);
6824         suboptoff++;
6825
6826         vti = proto_tree_add_uint(v_tree, hf_dhcp_pc_i05_ccc_suboption, tvb, optoff, 1, subopt);
6827         proto_item_set_len(vti, subopt_len + 2);
6828         proto_item_append_text(vti, ": ");
6829
6830         switch (subopt) {
6831
6832         case PKT_CCC_PRI_DHCP:  /* String values */
6833         case PKT_CCC_SEC_DHCP:
6834         case PKT_CCC_I05_SNMP:
6835         case PKT_CCC_I05_PRI_DNS:
6836         case PKT_CCC_I05_SEC_DNS:
6837         case PKT_CCC_KRB_REALM:
6838         case PKT_CCC_CMS_FQDN:
6839                 proto_item_append_text(vti, "%s (%u byte%s)",
6840                                        tvb_format_stringzpad(pinfo->pool, tvb, suboptoff, subopt_len),
6841                                        subopt_len,
6842                                        plurality(subopt_len, "", "s") );
6843                 suboptoff += subopt_len;
6844                 break;
6845
6846         case PKT_CCC_TGT_FLAG:
6847                 if (suboptoff+1 > optend) {
6848                         expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
6849                         return (optend);
6850                 }
6851                 fetch_tgt = tvb_get_uint8(tvb, suboptoff);
6852                 proto_item_append_text(vti, "%s (%u byte%s%s)",
6853                                        fetch_tgt ? "Yes" : "No",
6854                                        subopt_len,
6855                                        plurality(subopt_len, "", "s"),
6856                                        subopt_len != 1 ? " [Invalid]" : "");
6857                 suboptoff += subopt_len;
6858                 break;
6859
6860         case PKT_CCC_PROV_TIMER:
6861                 if (suboptoff+1 > optend) {
6862                         expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
6863                         return (optend);
6864                 }
6865                 timer_val = tvb_get_uint8(tvb, suboptoff);
6866                 proto_item_append_text(vti, "%u%s (%u byte%s%s)", timer_val,
6867                                        timer_val > 30 ? " [Invalid]" : "",
6868                                        subopt_len,
6869                                        plurality(subopt_len, "", "s"),
6870                                        subopt_len != 1 ? " [Invalid]" : "");
6871                 suboptoff += subopt_len;
6872                 break;
6873
6874         case PKT_CCC_AS_KRB:
6875                 if (suboptoff+12 > optend) {
6876                         expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
6877                         return (optend);
6878                 }
6879                 proto_item_append_text(vti, "(%u byte%s%s)", subopt_len,
6880                                        plurality(subopt_len, "", "s"),
6881                                        subopt_len != 12 ? " [Invalid]" : "");
6882                 if (subopt_len == 12) {
6883                         pkt_s_tree = proto_item_add_subtree(vti, ett_dhcp_option);
6884                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_nom_timeout, tvb, suboptoff, 4, ENC_BIG_ENDIAN);
6885                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_timeout, tvb, suboptoff + 4, 4, ENC_BIG_ENDIAN);
6886                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_retries, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN);
6887                 }
6888                 suboptoff += subopt_len;
6889                 break;
6890
6891         case PKT_CCC_AP_KRB:
6892                 if (suboptoff+12 > optend) {
6893                         expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
6894                         return (optend);
6895                 }
6896                 proto_item_append_text(vti, "(%u byte%s%s)", subopt_len,
6897                                        plurality(subopt_len, "", "s"),
6898                                        subopt_len != 12 ? " [Invalid]" : "");
6899                 if (subopt_len == 12) {
6900                         pkt_s_tree = proto_item_add_subtree(vti, ett_dhcp_option);
6901                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_nom_timeout, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN);
6902                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_timeout, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN);
6903                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_retries, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN);
6904                 }
6905                 suboptoff += subopt_len;
6906                 break;
6907
6908         case PKT_CCC_MTA_KRB_CLEAR:
6909                 if (suboptoff+1 > optend) {
6910                         expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
6911                         return (optend);
6912                 }
6913                 ticket_ctl = tvb_get_uint8(tvb, suboptoff);
6914                 proto_item_append_text(vti, "%s (%u) (%u byte%s%s)",
6915                                        val_to_str_const (ticket_ctl, pkt_i05_ccc_ticket_ctl_vals, "unknown/invalid"),
6916                                        ticket_ctl,
6917                                        subopt_len,
6918                                        plurality(subopt_len, "", "s"),
6919                                        subopt_len != 1 ? " [Invalid]" : "");
6920                 suboptoff += subopt_len;
6921                 break;
6922
6923         default:
6924                 suboptoff += subopt_len;
6925                 break;
6926
6927         }
6928         return suboptoff;
6929 }
6930
6931 static int hf_dhcp_ccc_ietf_sec_tkt_pc_provision_server;
6932 static int hf_dhcp_ccc_ietf_sec_tkt_all_pc_call_management;
6933
6934 static int
6935 dissect_packetcable_ietf_ccc(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree,
6936                              tvbuff_t *tvb, int optoff, int optend, int revision)
6937 {
6938         int           suboptoff     = optoff;
6939         uint8_t       subopt, subopt_len;
6940         uint8_t       prov_type, fetch_tgt, timer_val;
6941         uint16_t              sec_tcm;
6942         proto_tree   *pkt_s_tree;
6943         proto_item   *vti;
6944         int           max_timer_val = 255;
6945         const unsigned char *dns_name;
6946         int          dns_name_len;
6947
6948         subopt = tvb_get_uint8(tvb, suboptoff);
6949         suboptoff++;
6950
6951         if (suboptoff >= optend) {
6952                 expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length,
6953                                                                         "Suboption %d: no room left in option for suboption length", subopt);
6954                 return (optend);
6955         }
6956         subopt_len = tvb_get_uint8(tvb, suboptoff);
6957         suboptoff++;
6958
6959         vti = proto_tree_add_uint(v_tree, hf_dhcp_pc_ietf_ccc_suboption, tvb, optoff, 1, subopt);
6960         proto_item_set_len(vti, subopt_len + 2);
6961         proto_item_append_text(vti, ": ");
6962
6963         switch (subopt) {
6964
6965         case PKT_CCC_PRI_DHCP:  /* IPv4 values */
6966         case PKT_CCC_SEC_DHCP:
6967                 if (suboptoff+4 > optend) {
6968                         expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
6969                         return (optend);
6970                 }
6971                 proto_item_append_text(vti, "%s (%u byte%s%s)",
6972                                        tvb_ip_to_str(pinfo->pool, tvb, suboptoff),
6973                                        subopt_len,
6974                                        plurality(subopt_len, "", "s"),
6975                                        subopt_len != 4 ? " [Invalid]" : "");
6976                 suboptoff += subopt_len;
6977                 break;
6978
6979         case PKT_CCC_IETF_PROV_SRV:
6980                 if (suboptoff+1 > optend) {
6981                         expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
6982                         return (optend);
6983                 }
6984                 prov_type = tvb_get_uint8(tvb, suboptoff);
6985                 suboptoff += 1;
6986                 switch (prov_type) {
6987
6988                 case 0:
6989                         get_dns_name(tvb, suboptoff, subopt_len, suboptoff, (const char **)&dns_name, &dns_name_len);
6990                         proto_item_append_text(vti, "%s (%u byte%s)", format_text(pinfo->pool, dns_name, dns_name_len),
6991                                                subopt_len - 1, plurality(subopt_len, "", "s") );
6992                         break;
6993
6994                 case 1:
6995                         if (suboptoff+4 > optend) {
6996                                 expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
6997                                 return (optend);
6998                         }
6999                         proto_item_append_text(vti, "%s (%u byte%s%s)",
7000                                                tvb_ip_to_str(pinfo->pool, tvb, suboptoff),
7001                                                subopt_len,
7002                                                plurality(subopt_len, "", "s"),
7003                                                subopt_len != 5 ? " [Invalid]" : "");
7004                         break;
7005
7006                 default:
7007                         proto_item_append_text(vti, "Invalid type: %u (%u byte%s)",
7008                                                prov_type,
7009                                                subopt_len,
7010                                                plurality(subopt_len, "", "s") );
7011                         break;
7012                 }
7013                 suboptoff += subopt_len - 1;
7014                 break;
7015
7016         case PKT_CCC_IETF_AS_KRB:
7017                 if (suboptoff+12 > optend) {
7018                         expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
7019                         return (optend);
7020                 }
7021                 proto_item_append_text(vti, "(%u byte%s%s)", subopt_len,
7022                                        plurality(subopt_len, "", "s"),
7023                                        subopt_len != 12 ? " [Invalid]" : "");
7024                 if (subopt_len == 12) {
7025                         pkt_s_tree = proto_item_add_subtree(vti, ett_dhcp_option);
7026                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_nom_timeout, tvb, suboptoff, 4, ENC_BIG_ENDIAN);
7027                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_timeout, tvb, suboptoff + 4, 4, ENC_BIG_ENDIAN);
7028                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_retries, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN);
7029                 }
7030                 suboptoff += subopt_len;
7031                 break;
7032
7033         case PKT_CCC_IETF_AP_KRB:
7034                 proto_item_append_text(vti, "(%u byte%s%s)", subopt_len,
7035                                        plurality(subopt_len, "", "s"),
7036                                        subopt_len != 12 ? " [Invalid]" : "");
7037                 if (subopt_len == 12) {
7038                         pkt_s_tree = proto_item_add_subtree(vti, ett_dhcp_option);
7039                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_nom_timeout, tvb, suboptoff, 4, ENC_BIG_ENDIAN);
7040                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_timeout, tvb, suboptoff + 4, 4, ENC_BIG_ENDIAN);
7041                         proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_retries, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN);
7042                 }
7043                 suboptoff += subopt_len;
7044                 break;
7045
7046         case PKT_CCC_KRB_REALM: /* String values */
7047                 get_dns_name(tvb, suboptoff, subopt_len, suboptoff, (const char **)&dns_name, &dns_name_len);
7048                 proto_item_append_text(vti, "%s (%u byte%s)", format_text(pinfo->pool, dns_name, dns_name_len),
7049                                        subopt_len, plurality(subopt_len, "", "s") );
7050                 suboptoff += subopt_len;
7051                 break;
7052
7053         case PKT_CCC_TGT_FLAG:
7054                 if (suboptoff+1 > optend) {
7055                         expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
7056                         return (optend);
7057                 }
7058                 fetch_tgt = tvb_get_uint8(tvb, suboptoff);
7059                 proto_item_append_text(vti, "%s (%u byte%s%s)",
7060                                        fetch_tgt ? "Yes" : "No",
7061                                        subopt_len,
7062                                        plurality(subopt_len, "", "s"),
7063                                        subopt_len != 1 ? " [Invalid]" : "");
7064                 suboptoff += 1;
7065                 break;
7066
7067         case PKT_CCC_PROV_TIMER:
7068                 if (suboptoff+1 > optend) {
7069                         expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
7070                         return (optend);
7071                 }
7072                 if (revision == PACKETCABLE_CCC_DRAFT5)
7073                         max_timer_val = 30;
7074                 timer_val = tvb_get_uint8(tvb, suboptoff);
7075                 proto_item_append_text(vti, "%u%s (%u byte%s%s)", timer_val,
7076                                        timer_val > max_timer_val ? " [Invalid]" : "",
7077                                        subopt_len,
7078                                        plurality(subopt_len, "", "s"),
7079                                        subopt_len != 1 ? " [Invalid]" : "");
7080                 suboptoff += 1;
7081                 break;
7082
7083         case PKT_CCC_IETF_SEC_TKT:
7084                 if (suboptoff+2 > optend) {
7085                         expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value);
7086                         return (optend);
7087                 }
7088                 sec_tcm = tvb_get_ntohs(tvb, suboptoff);
7089                 proto_item_append_text(vti, "0x%04x (%u byte%s%s)", sec_tcm, subopt_len,
7090                                        plurality(subopt_len, "", "s"),
7091                                        subopt_len != 2 ? " [Invalid]" : "");
7092                 if (subopt_len == 2) {
7093                         pkt_s_tree = proto_item_add_subtree(vti, ett_dhcp_option);
7094                         proto_tree_add_boolean(pkt_s_tree, hf_dhcp_ccc_ietf_sec_tkt_pc_provision_server, tvb, suboptoff, 2, sec_tcm);
7095                         proto_tree_add_boolean(pkt_s_tree, hf_dhcp_ccc_ietf_sec_tkt_all_pc_call_management, tvb, suboptoff, 2, sec_tcm);
7096                 }
7097                 suboptoff += subopt_len;
7098                 break;
7099
7100         default:
7101                 suboptoff += subopt_len;
7102                 break;
7103         }
7104         return suboptoff;
7105 }
7106
7107 static int
7108 dissect_dhcpopt_packetcable_ccc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
7109 {
7110         int offset = 0;
7111
7112         while (tvb_reported_length_remaining(tvb, offset) > 0) {
7113                 switch (pkt_ccc_protocol_version) {
7114
7115                 case PACKETCABLE_CCC_I05:
7116                         offset = dissect_packetcable_i05_ccc(pinfo, tree, tree, tvb, offset, tvb_reported_length(tvb));
7117                         break;
7118                 case PACKETCABLE_CCC_DRAFT5:
7119                 case PACKETCABLE_CCC_RFC_3495:
7120                         offset = dissect_packetcable_ietf_ccc(pinfo, tree, tree, tvb, offset, tvb_reported_length(tvb), pkt_ccc_protocol_version);
7121                         break;
7122                 default: /* XXX Should we do something here? */
7123                         break;
7124                 }
7125         }
7126
7127         return tvb_captured_length(tvb);
7128 }
7129
7130 #define BOOTREQUEST     1
7131 #define BOOTREPLY       2
7132
7133 static const value_string op_vals[] = {
7134         { BOOTREQUEST,  "Boot Request" },
7135         { BOOTREPLY,    "Boot Reply" },
7136         { 0,            NULL }
7137 };
7138
7139 static int
7140 dissect_dhcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
7141 {
7142         proto_tree   *bp_tree;
7143         proto_item   *bp_ti, *ti;
7144         proto_item   *file_ti, *sname_ti;
7145         proto_item   *fi, *hidden_item;
7146         uint8_t       op;
7147         uint8_t       htype, hlen;
7148         int           voff, eoff; /* vendor offset, end offset */
7149         int           tmpvoff, tmpvoff_end;
7150         uint32_t              ip_addr;
7151         bool          at_end;
7152         bool          isProxyDhcp;
7153         const char   *dhcp_type                              = NULL;
7154         const uint8_t *vendor_class_id                       = NULL;
7155         uint16_t              flags, secs;
7156         int           offset_delta;
7157         uint8_t       overload                               = 0; /* DHCP option overload */
7158         static int * const dhcp_flags[] = {
7159                 &hf_dhcp_flags_broadcast,
7160                 &hf_dhcp_flags_reserved,
7161                 NULL
7162         };
7163
7164         if (pinfo->srcport == PROXYDHCP_UDP_PORT ||
7165             pinfo->destport == PROXYDHCP_UDP_PORT) {
7166                 /* The "DHCP magic" is mandatory for proxyDHCP. Use it as a heuristic. */
7167                 if (!tvb_bytes_exist(tvb, VENDOR_INFO_OFFSET, 4) ||
7168                     tvb_get_ntohl(tvb, VENDOR_INFO_OFFSET) != 0x63825363) {
7169          /* Not a DHCP packet at all. */
7170                         return 0;
7171                 }
7172                 isProxyDhcp = true;
7173         } else {
7174                 isProxyDhcp = false;
7175         }
7176
7177         col_set_str(pinfo->cinfo, COL_PROTOCOL, "BOOTP");
7178         /*
7179          * In case we throw an exception fetching the opcode, etc.
7180          */
7181         col_clear(pinfo->cinfo, COL_INFO);
7182
7183         op = tvb_get_uint8(tvb, 0);
7184         htype = tvb_get_uint8(tvb, 1);
7185         hlen = tvb_get_uint8(tvb, 2);
7186         switch (op) {
7187
7188         case BOOTREQUEST:
7189                 if ((htype == ARPHRD_ETHER || htype == ARPHRD_IEEE802)
7190                     && hlen == 6) {
7191                         col_add_fstr(pinfo->cinfo, COL_INFO, "Boot Request from %s (%s)",
7192                                      tvb_arphrdaddr_to_str(pinfo->pool, tvb, 28, hlen, htype),
7193                                      tvb_get_ether_name(tvb, 28));
7194                 }
7195                 else {
7196                         col_add_fstr(pinfo->cinfo, COL_INFO, "Boot Request from %s",
7197                                      tvb_arphrdaddr_to_str(pinfo->pool, tvb, 28, hlen, htype));
7198                 }
7199                 break;
7200
7201         case BOOTREPLY:
7202                 col_set_str(pinfo->cinfo, COL_INFO, "Boot Reply");
7203                 break;
7204
7205         default:
7206                 col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown BOOTP message type (%u)", op);
7207                 break;
7208         }
7209
7210         voff = VENDOR_INFO_OFFSET;
7211
7212         /* rfc2132 says it SHOULD exist, not that it MUST exist */
7213         if (tvb_bytes_exist(tvb, voff, 4) &&
7214             (tvb_get_ntohl(tvb, voff) == 0x63825363)) {
7215                 voff += 4;
7216         } else {
7217                 voff += 64;
7218         }
7219         eoff = tvb_reported_length(tvb);
7220
7221         bp_ti = proto_tree_add_item(tree, proto_dhcp, tvb, 0, -1, ENC_NA);
7222         bp_tree = proto_item_add_subtree(bp_ti, ett_dhcp);
7223
7224         wmem_map_t *rfc3396_map = wmem_map_new(pinfo->pool, g_direct_hash, g_direct_equal);
7225         /*
7226          * In the first pass, we just look for the overload, DHCP message type
7227          * and Vendor class identifier options, and any repeated options for
7228          * RFC 3396 long option concatenation.
7229          */
7230         tmpvoff = voff;
7231         at_end = false;
7232         while (tmpvoff < eoff && !at_end) {
7233                 offset_delta = dhcp_option(tvb, pinfo, NULL, tmpvoff, eoff, true, &at_end,
7234                     &dhcp_type, &vendor_class_id, &overload, rfc3396_map);
7235                 if (offset_delta <= 0) {
7236                         proto_tree_add_expert(bp_tree, pinfo, &ei_dhcp_option_parse_err,
7237                                         tvb, tmpvoff, eoff);
7238                         return tmpvoff;
7239                 }
7240                 tmpvoff += offset_delta;
7241         }
7242
7243         /*
7244          * If there was a DHCP message type option, flag this packet
7245          * as DHCP.
7246          */
7247         if (dhcp_type != NULL) {
7248                 /*
7249                  * Yes, this is a DHCP packet, and "dhcp_type" is the
7250                  * packet type.
7251                  */
7252                 col_set_str(pinfo->cinfo, COL_PROTOCOL, "DHCP");
7253
7254                 col_add_fstr(pinfo->cinfo, COL_INFO, "%sDHCP %-8s - Transaction ID 0x%x",
7255                              isProxyDhcp ? "proxy" : "", dhcp_type, tvb_get_ntohl(tvb, 4));
7256                 tap_queue_packet( dhcp_bootp_tap, pinfo, dhcp_type);
7257         }
7258
7259         /*
7260          * OK, now populate the protocol tree.
7261          */
7262
7263         proto_tree_add_uint(bp_tree, hf_dhcp_type, tvb,
7264                                    0, 1,
7265                                    op);
7266         proto_tree_add_item(bp_tree, hf_dhcp_hw_type, tvb,
7267                                          1, 1, ENC_BIG_ENDIAN);
7268         proto_tree_add_uint(bp_tree, hf_dhcp_hw_len, tvb,
7269                             2, 1, hlen);
7270         proto_tree_add_item(bp_tree, hf_dhcp_hops, tvb,
7271                             3, 1, ENC_BIG_ENDIAN);
7272         proto_tree_add_item(bp_tree, hf_dhcp_id, tvb,
7273                             4, 4, ENC_BIG_ENDIAN);
7274         /*
7275          * Windows (98, XP and Vista tested) sends the "secs" value on
7276          * the wire formatted as little-endian. See if the LE value
7277          * makes sense, if autodetect is used.
7278          */
7279         if (dhcp_secs_endian == DHCP_SECS_ENDIAN_AUTODETECT) {
7280                 secs = tvb_get_letohs(tvb, 8);
7281                 if (secs > 0 && secs <= 0xff) {
7282                         ti = proto_tree_add_uint(bp_tree, hf_dhcp_secs, tvb, 8, 2, secs);
7283                         expert_add_info_format(pinfo, ti, &ei_dhcp_secs_le, "Seconds elapsed appears to be encoded as little-endian");
7284                 } else {
7285                         proto_tree_add_item(bp_tree, hf_dhcp_secs, tvb,
7286                                         8, 2, ENC_BIG_ENDIAN);
7287                 }
7288         }
7289         else {
7290                 /* Use whatever endianness is configured */
7291                 proto_tree_add_item(bp_tree, hf_dhcp_secs, tvb, 8, 2, dhcp_secs_endian);
7292         }
7293         flags = tvb_get_ntohs(tvb, 10);
7294         fi = proto_tree_add_bitmask(bp_tree, tvb, 10, hf_dhcp_flags,
7295                                ett_dhcp_flags, dhcp_flags, ENC_NA);
7296         proto_item_append_text(fi, " (%s)",
7297             (flags & BOOTP_BC) ? "Broadcast" : "Unicast");
7298
7299         proto_tree_add_item(bp_tree, hf_dhcp_ip_client, tvb,
7300                             12, 4, ENC_BIG_ENDIAN);
7301         proto_tree_add_item(bp_tree, hf_dhcp_ip_your, tvb,
7302                             16, 4, ENC_BIG_ENDIAN);
7303         proto_tree_add_item(bp_tree, hf_dhcp_ip_server, tvb,
7304                             20, 4, ENC_BIG_ENDIAN);
7305         proto_tree_add_item(bp_tree, hf_dhcp_ip_relay, tvb,
7306                             24, 4, ENC_BIG_ENDIAN);
7307
7308         if (hlen > 0 && hlen <= 16) {
7309                 if ((htype == ARPHRD_ETHER || htype == ARPHRD_IEEE802)
7310                     && hlen == 6)
7311                         proto_tree_add_item(bp_tree, hf_dhcp_hw_ether_addr, tvb, 28, 6, ENC_NA);
7312                 else
7313                         /* The chaddr element is 16 bytes in length,
7314                            although only the first hlen bytes are used */
7315                         proto_tree_add_bytes_format_value(bp_tree, hf_dhcp_hw_addr, tvb, 28, 16,
7316                                            NULL, "%s", tvb_arphrdaddr_to_str(pinfo->pool, tvb, 28, hlen, htype));
7317                 if ((16 - hlen) > 0)
7318                         proto_tree_add_item(bp_tree, hf_dhcp_hw_addr_padding, tvb, 28+hlen, 16-hlen, ENC_NA);
7319         } else {
7320                 proto_tree_add_expert(bp_tree, pinfo, &ei_dhcp_client_address_not_given, tvb, 28, 16);
7321         }
7322
7323         /* RFC 3396 5: "The aggregate option buffer is made up of the optional
7324          * parameters field, the file field, and the sname field, in that order.
7325          * WARNING: This is not the physical ordering of these fields in the
7326          * DHCP packet."
7327          *
7328          * RFC 3396 6: "[I]f an option were split into three parts and each
7329          * part went into one of the possible option fields, the first part
7330          * would go into the optional parameters field, the second part would
7331          * go into the file field, and the third part would go into the sname
7332          * field."
7333          *
7334          * So we process and reassemble the options in the order listed above,
7335          * and move the items after processing so that they are generally in
7336          * physical ordering in the tree. (Whichever ordering choice we make
7337          * is bound to confused someone.)
7338          */
7339
7340         if (overload & OPT_OVERLOAD_FILE) {
7341                 file_ti = proto_tree_add_expert(bp_tree, pinfo, &ei_dhcp_boot_filename_overloaded_by_dhcp, tvb,
7342                         FILE_NAME_OFFSET, FILE_NAME_LEN);
7343                 tmpvoff = FILE_NAME_OFFSET;
7344                 tmpvoff_end = FILE_NAME_OFFSET + FILE_NAME_LEN;
7345                 at_end = false;
7346                 while (tmpvoff < tmpvoff_end && !at_end) {
7347                         tmpvoff += dhcp_option(tvb, pinfo, NULL, tmpvoff,
7348                                 tmpvoff_end, true, &at_end,
7349                                 &dhcp_type, &vendor_class_id,
7350                                 NULL, rfc3396_map);
7351                 }
7352         } else {
7353                 /* Boot file is optional */
7354                 if (tvb_get_uint8(tvb, FILE_NAME_OFFSET) != '\0') {
7355                         file_ti = proto_tree_add_item(bp_tree, hf_dhcp_file, tvb,
7356                                            FILE_NAME_OFFSET,
7357                                            FILE_NAME_LEN, ENC_ASCII);
7358                 } else {
7359                         file_ti = proto_tree_add_string_format(bp_tree, hf_dhcp_file, tvb,
7360                                                    FILE_NAME_OFFSET,
7361                                                    FILE_NAME_LEN,
7362                                                    "", "Boot file name not given");
7363                 }
7364         }
7365
7366
7367         if (overload & OPT_OVERLOAD_SNAME) {
7368                 sname_ti = proto_tree_add_expert(bp_tree, pinfo, &ei_dhcp_server_name_overloaded_by_dhcp, tvb,
7369                         SERVER_NAME_OFFSET, SERVER_NAME_LEN);
7370                 tmpvoff = SERVER_NAME_OFFSET;
7371                 tmpvoff_end = SERVER_NAME_OFFSET + SERVER_NAME_LEN;
7372                 at_end = false;
7373                 while (tmpvoff < tmpvoff_end && !at_end) {
7374                         tmpvoff += dhcp_option(tvb, pinfo, NULL, tmpvoff,
7375                                 tmpvoff_end, true, &at_end,
7376                                 &dhcp_type, &vendor_class_id,
7377                                 NULL, rfc3396_map);
7378                 }
7379         } else {
7380                 /* The server host name is optional */
7381                 if (tvb_get_uint8(tvb, SERVER_NAME_OFFSET) != '\0') {
7382                         sname_ti = proto_tree_add_item(bp_tree, hf_dhcp_server, tvb,
7383                                            SERVER_NAME_OFFSET,
7384                                            SERVER_NAME_LEN, ENC_ASCII);
7385
7386                 } else {
7387                         sname_ti = proto_tree_add_string_format(bp_tree, hf_dhcp_server, tvb,
7388                                                    SERVER_NAME_OFFSET,
7389                                                    SERVER_NAME_LEN,
7390                                                    "", "Server host name not given");
7391                 }
7392         }
7393
7394         proto_tree_move_item(bp_tree, sname_ti, file_ti);
7395
7396         voff = VENDOR_INFO_OFFSET;
7397         if (dhcp_type == NULL) {
7398                 hidden_item = proto_tree_add_boolean(bp_tree, hf_dhcp_bootp, tvb, 0, 0, 1);
7399                 proto_item_set_hidden(hidden_item);
7400         }
7401         if (tvb_bytes_exist(tvb, voff, 4) &&
7402             (tvb_get_ntohl(tvb, voff) == 0x63825363)) {
7403                 ip_addr = tvb_get_ipv4(tvb, voff);
7404                 proto_tree_add_ipv4_format_value(bp_tree, hf_dhcp_cookie, tvb,
7405                         voff, 4, ip_addr, "DHCP");
7406                 voff += 4;
7407         } else {
7408                 proto_tree_add_item(bp_tree, hf_dhcp_vendor_specific_options, tvb,
7409                         voff, 64, ENC_NA);
7410                 voff += 64;
7411         }
7412
7413         at_end = false;
7414         while (voff < eoff && !at_end) {
7415                 offset_delta = dhcp_option(tvb, pinfo, bp_tree, voff, eoff, false, &at_end,
7416                     &dhcp_type, &vendor_class_id, &overload, rfc3396_map);
7417                 if (offset_delta <= 0) {
7418                         proto_tree_add_expert(bp_tree, pinfo, &ei_dhcp_option_parse_err,
7419                                         tvb, voff, eoff);
7420                         return voff;
7421                 }
7422                 voff += offset_delta;
7423         }
7424         if ((dhcp_type != NULL) && (!at_end))
7425         {
7426                 expert_add_info(pinfo, bp_ti, &ei_dhcp_end_option_missing);
7427         }
7428
7429         if (overload & OPT_OVERLOAD_FILE) {
7430                 proto_item *oti;
7431                 proto_tree *overload_tree = proto_tree_add_subtree(bp_tree, tvb,
7432                         FILE_NAME_OFFSET, FILE_NAME_LEN, ett_dhcp_filename_option, &oti,
7433                         "Boot file name option overload");
7434                 tmpvoff = FILE_NAME_OFFSET;
7435                 tmpvoff_end = FILE_NAME_OFFSET + FILE_NAME_LEN;
7436                 at_end = false;
7437                 while (tmpvoff < tmpvoff_end && !at_end) {
7438                         tmpvoff += dhcp_option(tvb, pinfo, overload_tree, tmpvoff,
7439                                 tmpvoff_end, false, &at_end,
7440                                 &dhcp_type, &vendor_class_id,
7441                                 NULL, rfc3396_map);
7442                 }
7443                 if (!at_end)
7444                 {
7445                         expert_add_info(pinfo, oti, &ei_dhcp_opt_overload_file_end_missing);
7446                 }
7447                 proto_tree_move_item(bp_tree, file_ti, oti);
7448         }
7449         if (overload & OPT_OVERLOAD_SNAME) {
7450                 proto_item *oti;
7451                 proto_tree *overload_tree = proto_tree_add_subtree(bp_tree, tvb,
7452                         SERVER_NAME_OFFSET, SERVER_NAME_LEN, ett_dhcp_server_hostname, &oti,
7453                         "Server host name option overload");
7454                 tmpvoff = SERVER_NAME_OFFSET;
7455                 tmpvoff_end = SERVER_NAME_OFFSET + SERVER_NAME_LEN;
7456                 at_end = false;
7457                 while (tmpvoff < tmpvoff_end && !at_end) {
7458                         tmpvoff += dhcp_option(tvb, pinfo, overload_tree, tmpvoff,
7459                                 tmpvoff_end, false, &at_end,
7460                                 &dhcp_type, &vendor_class_id,
7461                                 NULL, rfc3396_map);
7462                 }
7463                 if (!at_end)
7464                 {
7465                         expert_add_info(pinfo, oti, &ei_dhcp_opt_overload_sname_end_missing);
7466                 }
7467                 proto_tree_move_item(bp_tree, sname_ti, oti);
7468         }
7469
7470         if (voff < eoff) {
7471                 /*
7472                  * Padding after the end option.
7473                  */
7474                 proto_tree_add_item(bp_tree, hf_dhcp_option_padding, tvb, voff, eoff - voff, ENC_NA);
7475         }
7476
7477         return tvb_captured_length(tvb);
7478 }
7479
7480 static void
7481 dhcp_init_protocol(void)
7482 {
7483         unsigned i;
7484
7485         /* first copy default_dhcp_opt[] to dhcp_opt[].  This resets all values to default */
7486         memcpy(dhcp_opt, default_dhcp_opt, sizeof(dhcp_opt));
7487
7488         if ((num_dhcp_records_uat > 0) && (saved_uat_opts == NULL))
7489         {
7490                 saved_uat_opts = wmem_list_new(NULL);
7491         }
7492
7493         /* Now apply the custom options */
7494         for (i = 0; i < num_dhcp_records_uat; i++)
7495         {
7496                 dhcp_opt[uat_dhcp_records[i].opt].text = wmem_strdup(wmem_file_scope(), uat_dhcp_records[i].text);
7497                 dhcp_opt[uat_dhcp_records[i].opt].ftype = uat_dhcp_records[i].ftype;
7498                 dhcp_opt[uat_dhcp_records[i].opt].phf = NULL;
7499
7500                 /* Apply the custom option to the dissection table*/
7501                 dissector_change_uint("dhcp.option", uat_dhcp_records[i].opt, dhcpopt_basic_handle);
7502
7503                 /* Save the option so it can be cleared later */
7504                 wmem_list_append(saved_uat_opts, GUINT_TO_POINTER(uat_dhcp_records[i].opt));
7505         }
7506 }
7507
7508 static void
7509 dhcp_clear_uat_dhcpopt(void *data, void *user_data _U_)
7510 {
7511         dissector_reset_uint("dhcp.option", GPOINTER_TO_UINT(data));
7512 }
7513
7514 static void
7515 dhcp_cleanup_protocol(void)
7516 {
7517         if (saved_uat_opts != NULL) {
7518                 wmem_list_foreach(saved_uat_opts, dhcp_clear_uat_dhcpopt,
7519                     NULL);
7520
7521                 wmem_destroy_list(saved_uat_opts);
7522                 saved_uat_opts = NULL;
7523         }
7524 }
7525
7526
7527 /* TAP STAT INFO */
7528 typedef enum
7529 {
7530         MESSAGE_TYPE_COLUMN = 0,
7531         PACKET_COLUMN
7532 } dhcp_stat_columns;
7533
7534 static stat_tap_table_item dhcp_stat_fields[] = {{TABLE_ITEM_STRING, TAP_ALIGN_LEFT, "DHCP Message Type", "%-25s"}, {TABLE_ITEM_UINT, TAP_ALIGN_RIGHT, "Packets", "%d"}};
7535
7536 static void dhcp_stat_init(stat_tap_table_ui* new_stat)
7537 {
7538         const char *table_name = "DHCP Statistics";
7539         int num_fields = array_length(dhcp_stat_fields);
7540         stat_tap_table *table;
7541         int i = 0;
7542         stat_tap_table_item_type items[array_length(dhcp_stat_fields)];
7543
7544         table = stat_tap_find_table(new_stat, table_name);
7545         if (table) {
7546                 if (new_stat->stat_tap_reset_table_cb) {
7547                         new_stat->stat_tap_reset_table_cb(table);
7548                 }
7549                 return;
7550         }
7551
7552         table = stat_tap_init_table(table_name, num_fields, 0, NULL);
7553         stat_tap_add_table(new_stat, table);
7554
7555         memset(items, 0x0, sizeof(items));
7556         /* Add a row for each value type */
7557         while (opt53_text[i].strptr)
7558         {
7559                 items[MESSAGE_TYPE_COLUMN].type = TABLE_ITEM_STRING;
7560                 items[MESSAGE_TYPE_COLUMN].value.string_value = opt53_text[i].strptr;
7561                 items[PACKET_COLUMN].type = TABLE_ITEM_UINT;
7562                 items[PACKET_COLUMN].value.uint_value = 0;
7563
7564                 stat_tap_init_table_row(table, i, num_fields, items);
7565                 i++;
7566         }
7567 }
7568
7569 static tap_packet_status
7570 dhcp_stat_packet(void *tapdata, packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *data, tap_flags_t flags _U_)
7571 {
7572         stat_data_t* stat_data = (stat_data_t*)tapdata;
7573         const char* value = (const char*)data;
7574         stat_tap_table* table;
7575         stat_tap_table_item_type* msg_data;
7576         int idx;
7577
7578         idx = str_to_val_idx(value, opt53_text);
7579         if (idx < 0)
7580                 return TAP_PACKET_DONT_REDRAW;
7581
7582         table = g_array_index(stat_data->stat_tap_data->tables, stat_tap_table*, 0);
7583         msg_data = stat_tap_get_field_data(table, idx, PACKET_COLUMN);
7584         msg_data->value.uint_value++;
7585         stat_tap_set_field_data(table, idx, PACKET_COLUMN, msg_data);
7586
7587         return TAP_PACKET_REDRAW;
7588 }
7589
7590 static void
7591 dhcp_stat_reset(stat_tap_table* table)
7592 {
7593         unsigned element;
7594         stat_tap_table_item_type* item_data;
7595
7596         for (element = 0; element < table->num_elements; element++)
7597         {
7598                 item_data = stat_tap_get_field_data(table, element, PACKET_COLUMN);
7599                 item_data->value.uint_value = 0;
7600                 stat_tap_set_field_data(table, element, PACKET_COLUMN, item_data);
7601         }
7602 }
7603
7604 void
7605 proto_register_dhcp(void)
7606 {
7607         static const value_string dhcp_custom_type_vals[] = {
7608                 { ipv4,             "IP Address"},
7609                 { ipv4_list,        "IP Address List" },
7610                 { string,           "string" },
7611                 { bytes,            "bytes" },
7612                 { val_boolean,      "boolean" },
7613                 { val_u_byte,       "byte" },
7614                 { val_u_short,      "unsigned short" },
7615                 { val_u_short_list, "unsigned short list" },
7616                 { val_u_long,       "unsigned long" },
7617                 { time_in_s_secs,   "integer time in seconds" },
7618                 { time_in_u_secs,   "unsigned integer time in seconds" },
7619                 { 0x00, NULL }
7620         };
7621
7622         static hf_register_info hf[] = {
7623                 { &hf_dhcp_bootp,
7624                   { "Frame is BOOTP", "dhcp.bootp",
7625                     FT_BOOLEAN, BASE_NONE, NULL, 0x0,
7626                     NULL, HFILL }},
7627
7628                 { &hf_dhcp_type,
7629                   { "Message type", "dhcp.type",
7630                     FT_UINT8, BASE_DEC, VALS(op_vals), 0x0,
7631                     NULL, HFILL }},
7632
7633                 { &hf_dhcp_hw_type,
7634                   { "Hardware type", "dhcp.hw.type",
7635                     FT_UINT8, BASE_HEX, VALS(arp_hrd_vals), 0x0,
7636                     NULL, HFILL }},
7637
7638                 { &hf_dhcp_hw_len,
7639                   { "Hardware address length", "dhcp.hw.len",
7640                     FT_UINT8, BASE_DEC, NULL, 0x0,
7641                     NULL, HFILL }},
7642
7643                 { &hf_dhcp_hops,
7644                   { "Hops", "dhcp.hops",
7645                     FT_UINT8, BASE_DEC, NULL, 0x0,
7646                     NULL, HFILL }},
7647
7648                 { &hf_dhcp_id,
7649                   { "Transaction ID", "dhcp.id",
7650                     FT_UINT32, BASE_HEX, NULL, 0x0,
7651                     NULL, HFILL }},
7652
7653                 { &hf_dhcp_secs,
7654                   { "Seconds elapsed", "dhcp.secs",
7655                     FT_UINT16, BASE_DEC, NULL, 0x0,
7656                     NULL, HFILL }},
7657
7658                 { &hf_dhcp_flags,
7659                   { "Bootp flags", "dhcp.flags",
7660                     FT_UINT16, BASE_HEX, NULL, 0x0,
7661                     NULL, HFILL }},
7662
7663                 { &hf_dhcp_flags_broadcast,
7664                   { "Broadcast flag", "dhcp.flags.bc",
7665                     FT_BOOLEAN, 16, TFS(&flag_set_broadcast), BOOTP_BC,
7666                     NULL, HFILL }},
7667
7668                 { &hf_dhcp_flags_reserved,
7669                   { "Reserved flags", "dhcp.flags.reserved",
7670                     FT_UINT16, BASE_HEX, NULL, BOOTP_MBZ,
7671                     NULL, HFILL }},
7672
7673                 { &hf_dhcp_ip_client,
7674                   { "Client IP address", "dhcp.ip.client",
7675                     FT_IPv4, BASE_NONE, NULL, 0x0,
7676                     NULL, HFILL }},
7677
7678                 { &hf_dhcp_ip_your,
7679                   { "Your (client) IP address", "dhcp.ip.your",
7680                     FT_IPv4, BASE_NONE, NULL, 0x0,
7681                     NULL, HFILL }},
7682
7683                 { &hf_dhcp_ip_server,
7684                   { "Next server IP address", "dhcp.ip.server",
7685                     FT_IPv4, BASE_NONE, NULL, 0x0,
7686                     NULL, HFILL }},
7687
7688                 { &hf_dhcp_ip_relay,
7689                   { "Relay agent IP address", "dhcp.ip.relay",
7690                     FT_IPv4, BASE_NONE, NULL, 0x0,
7691                     NULL, HFILL }},
7692
7693                 { &hf_dhcp_hw_addr,
7694                   { "Client hardware address", "dhcp.hw.addr",
7695                     FT_BYTES, BASE_NONE, NULL, 0x0,
7696                     NULL, HFILL }},
7697
7698                 { &hf_dhcp_hw_addr_padding,
7699                   { "Client hardware address padding", "dhcp.hw.addr_padding",
7700                     FT_BYTES, BASE_NONE, NULL, 0x0,
7701                     NULL, HFILL }},
7702
7703                 { &hf_dhcp_hw_ether_addr,
7704                   { "Client MAC address", "dhcp.hw.mac_addr",
7705                     FT_ETHER, BASE_NONE, NULL, 0x0,
7706                     NULL, HFILL }},
7707
7708                 { &hf_dhcp_server,
7709                   { "Server host name", "dhcp.server",
7710                     FT_STRING, BASE_NONE, NULL, 0x0,
7711                     NULL, HFILL }},
7712
7713                 { &hf_dhcp_file,
7714                   { "Boot file name", "dhcp.file",
7715                     FT_STRING, BASE_NONE, NULL, 0x0,
7716                     NULL, HFILL }},
7717
7718                 { &hf_dhcp_cookie,
7719                   { "Magic cookie", "dhcp.cookie",
7720                     FT_IPv4, BASE_NONE, NULL, 0x0,
7721                     NULL, HFILL }},
7722
7723                 { &hf_dhcp_vendor_specific_options,
7724                   { "Bootp vendor specific options", "dhcp.vendor_specific_options",
7725                     FT_BYTES, BASE_NONE, NULL, 0x0,
7726                     NULL, HFILL }},
7727
7728                 { &hf_dhcp_fqdn_s,
7729                   { "Server", "dhcp.fqdn.s",
7730                         FT_BOOLEAN, 8, TFS(&tfs_server_client), F_FQDN_S,
7731                     "If true, server should do DDNS update", HFILL }},
7732
7733                 { &hf_dhcp_fqdn_o,
7734                   { "Server overrides", "dhcp.fqdn.o",
7735                     FT_BOOLEAN, 8, TFS(&tfs_fqdn_o), F_FQDN_O,
7736                     "If true, server insists on doing DDNS update", HFILL }},
7737
7738                 { &hf_dhcp_fqdn_e,
7739                   { "Encoding", "dhcp.fqdn.e",
7740                     FT_BOOLEAN, 8, TFS(&tfs_fqdn_e), F_FQDN_E,
7741                     "If true, name is binary encoded", HFILL }},
7742
7743                 { &hf_dhcp_fqdn_n,
7744                   { "Server DDNS", "dhcp.fqdn.n",
7745                     FT_BOOLEAN, 8, TFS(&tfs_fqdn_n), F_FQDN_N,
7746                     "If true, server should not do any DDNS updates", HFILL }},
7747
7748                 { &hf_dhcp_fqdn_flags,
7749                   { "Flags", "dhcp.fqdn.flags",
7750                     FT_UINT8, BASE_HEX, NULL, 0,
7751                     NULL, HFILL }},
7752
7753                 { &hf_dhcp_fqdn_mbz,
7754                   { "Reserved flags", "dhcp.fqdn.mbz",
7755                     FT_UINT8, BASE_HEX, NULL, F_FQDN_MBZ,
7756                     NULL, HFILL }},
7757
7758                 { &hf_dhcp_fqdn_rcode1,
7759                   { "A-RR result", "dhcp.fqdn.rcode1",
7760                     FT_UINT8, BASE_DEC, NULL, 0x0,
7761                     "Result code of A-RR update", HFILL }},
7762
7763                 { &hf_dhcp_fqdn_rcode2,
7764                   { "PTR-RR result", "dhcp.fqdn.rcode2",
7765                     FT_UINT8, BASE_DEC, NULL, 0x0,
7766                     "Result code of PTR-RR update", HFILL }},
7767
7768                 { &hf_dhcp_fqdn_name,
7769                   { "Client name", "dhcp.fqdn.name",
7770                     FT_STRING, BASE_NONE, NULL, 0x0,
7771                     "Name to register via DDNS", HFILL }},
7772
7773                 { &hf_dhcp_fqdn_asciiname,
7774                   { "Client name", "dhcp.fqdn.name",
7775                     FT_STRING, BASE_NONE, NULL, 0x0,
7776                     "Name to register via DDNS", HFILL }},
7777
7778                 { &hf_dhcp_pkt_mta_cap_len,
7779                   { "MTA DC Length", "dhcp.vendor.pktc.mta_cap_len",
7780                     FT_UINT16, BASE_DEC, NULL, 0x0,
7781                     "PacketCable MTA Device Capabilities Length", HFILL }},
7782
7783                 { &hf_dhcp_pkt_mta_cap_type,
7784                   { "Type", "dhcp.vendor.pktc.mta_cap_type",
7785                     FT_UINT16, BASE_DEC, VALS(pkt_mdc_type_vals), 0x0,
7786                     NULL, HFILL }},
7787
7788                 { &hf_dhcp_pkt_mdc_supp_flow_secure,
7789                   { "Secure Flow (Full Secure Provisioning Flow)", "dhcp.vendor.pktc.mdc.supp_flow.secure",
7790                     FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0001,
7791                     NULL, HFILL }},
7792
7793                 { &hf_dhcp_pkt_mdc_supp_flow_hybrid,
7794                   { "Hybrid Flow", "dhcp.vendor.pktc.mdc.supp_flow.hybrid",
7795                     FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0002,
7796                     NULL, HFILL }},
7797
7798                 { &hf_dhcp_pkt_mdc_supp_flow_basic,
7799                   { "Basic Flow", "dhcp.vendor.pktc.mdc.supp_flow.basic",
7800                     FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0004,
7801                     NULL, HFILL }},
7802
7803                 { &hf_dhcp_pkt_mdc_mib_cl_mta,
7804                   { "PacketCable 1.5 MTA MIB", "dhcp.vendor.pktc.mdc_cl.mib.mta",
7805                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01,
7806                     NULL, HFILL }},
7807
7808                 { &hf_dhcp_pkt_mdc_mib_cl_signaling,
7809                   { "PacketCable 1.5 Signaling MIB", "dhcp.vendor.pktc.mdc_cl.mib.signaling",
7810                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02,
7811                     NULL, HFILL }},
7812
7813                 { &hf_dhcp_pkt_mdc_mib_cl_management_event,
7814                   { "PacketCable 1.5 Management Event MIB", "dhcp.vendor.pktc.mdc_cl.mib.management_event",
7815                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x04,
7816                     NULL, HFILL }},
7817
7818                 { &hf_dhcp_pkt_mdc_mib_cl_mta_extension,
7819                   { "PacketCable 1.5 MTA Extension MIB", "dhcp.vendor.pktc.mdc_cl.mib.mta_extension",
7820                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x08,
7821                     NULL, HFILL }},
7822
7823                 { &hf_dhcp_pkt_mdc_mib_cl_mta_signaling_extension,
7824                   { "PacketCable 1.5 Signaling Extension MIB", "dhcp.vendor.pktc.mdc_cl.mib.signaling_extension",
7825                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x10,
7826                     NULL, HFILL }},
7827
7828                 { &hf_dhcp_pkt_mdc_mib_cl_mta_mem_extension,
7829                   { "PacketCable 1.5 MEM Extension MIB", "dhcp.vendor.pktc.mdc_cl.mib.mem_extension",
7830                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x20,
7831                     NULL, HFILL }},
7832
7833                 { &hf_dhcp_pkt_mdc_mib_cl_reserved,
7834                   { "Reserved", "dhcp.vendor.pktc.mdc_cl.mib.reserved",
7835                     FT_UINT8, BASE_HEX, NULL, 0xC0,
7836                     NULL, HFILL }},
7837
7838                 { &hf_dhcp_pkt_mdc_mib_ietf_mta,
7839                   { "IETF MTA MIB", "dhcp.vendor.pktc.mdc_ietf.mib.mta",
7840                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01,
7841                     NULL, HFILL }},
7842
7843                 { &hf_dhcp_pkt_mdc_mib_ietf_signaling,
7844                   { "IETF Signaling MIB", "dhcp.vendor.pktc.mdc_ietf.mib.signaling",
7845                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02,
7846                     NULL, HFILL }},
7847
7848                 { &hf_dhcp_pkt_mdc_mib_ietf_management_event,
7849                   { "IETF Management Event MIB", "dhcp.vendor.pktc.mdc_ietf.mib.management_event",
7850                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x04,
7851                     NULL, HFILL }},
7852
7853                 { &hf_dhcp_pkt_mdc_mib_ietf_reserved,
7854                   { "Reserved", "dhcp.vendor.pktc.mdc_ietf.mib.reserved",
7855                     FT_UINT8, BASE_HEX, NULL, 0xF8,
7856                     NULL, HFILL }},
7857
7858                 { &hf_dhcp_pkt_mdc_mib_euro_mta,
7859                   { "PacketCable 1.5 MTA MIB", "dhcp.vendor.pktc.mdc_euro.mib.mta",
7860                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01,
7861                     NULL, HFILL }},
7862
7863                 { &hf_dhcp_pkt_mdc_mib_euro_signaling,
7864                   { "PacketCable 1.5 Signaling MIB", "dhcp.vendor.pktc.mdc_euro.mib.signaling",
7865                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02,
7866                     NULL, HFILL }},
7867
7868                 { &hf_dhcp_pkt_mdc_mib_euro_management_event,
7869                   { "PacketCable 1.5 Management Event MIB", "dhcp.vendor.pktc.mdc_euro.mib.management_event",
7870                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x04,
7871                     NULL, HFILL }},
7872
7873                 { &hf_dhcp_pkt_mdc_mib_euro_mta_extension,
7874                   { "PacketCable 1.5 MTA Extension MIB", "dhcp.vendor.pktc.mdc_euro.mib.mta_extension",
7875                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x08,
7876                     NULL, HFILL }},
7877
7878                 { &hf_dhcp_pkt_mdc_mib_euro_mta_signaling_extension,
7879                   { "PacketCable 1.5 Signaling Extension MIB", "dhcp.vendor.pktc.mdc_euro.mib.signaling_extension",
7880                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x10,
7881                     NULL, HFILL }},
7882
7883                 { &hf_dhcp_pkt_mdc_mib_euro_mta_mem_extension,
7884                   { "PacketCable 1.5 MEM Extension MIB", "dhcp.vendor.pktc.mdc_euro.mib.mem_extension",
7885                     FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x20,
7886                     NULL, HFILL }},
7887
7888                 { &hf_dhcp_pkt_mdc_mib_euro_reserved,
7889                   { "Reserved", "dhcp.vendor.pktc.mdc_euro.mib.reserved",
7890                     FT_UINT8, BASE_HEX, NULL, 0xC0,
7891                     NULL, HFILL }},
7892
7893                 { &hf_dhcp_docsis_cm_cap_len,
7894                   { "CM DC Length", "dhcp.vendor.docsis.cm_cap_len",
7895                     FT_UINT8, BASE_DEC, NULL, 0x0,
7896                     "DOCSIS Cable Modem Device Capabilities Length", HFILL }},
7897
7898                 { &hf_dhcp_docsis_cm_cap_type,
7899                   { "CM DC Type", "dhcp.docsis_cm_cap_type",
7900                     FT_UINT16, BASE_DEC, VALS(docsis_cm_cap_type_vals), 0x0,
7901                     "Docsis Cable Modem Device Capability type", HFILL }},
7902
7903                 { &hf_dhcp_docsis_cm_cap_ranging_hold_off_cm,
7904                   { "CM", "dhcp.docsis_cm_cap.ranging_hold_off.cm",
7905                     FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0001,
7906                     NULL, HFILL }},
7907
7908                 { &hf_dhcp_docsis_cm_cap_ranging_hold_off_eps,
7909                   { "ePS or eRouter", "dhcp.docsis_cm_cap.ranging_hold_off.eps",
7910                     FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0002,
7911                     NULL, HFILL }},
7912
7913                 { &hf_dhcp_docsis_cm_cap_ranging_hold_off_emta,
7914                   { "EMTA or EDVA", "dhcp.docsis_cm_cap.ranging_hold_off.emta",
7915                     FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0004,
7916                     NULL, HFILL }},
7917
7918                 { &hf_dhcp_docsis_cm_cap_ranging_hold_off_dsg,
7919                   { "DSG/eSTB", "dhcp.docsis_cm_cap.ranging_hold_off.dsg",
7920                     FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0008,
7921                     NULL, HFILL }},
7922
7923
7924                 { &hf_dhcp_docsis_cm_cap_mpls_stpid,
7925                   { "[IEEE 802.1ad] S-TPID", "dhcp.docsis_cm_cap.mpls.stpid",
7926                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000001,
7927                     NULL, HFILL }},
7928
7929                 { &hf_dhcp_docsis_cm_cap_mpls_svid,
7930                   { "[IEEE 802.1ad] S-VID", "dhcp.docsis_cm_cap.mpls.svid",
7931                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000002,
7932                     NULL, HFILL }},
7933
7934                 { &hf_dhcp_docsis_cm_cap_mpls_spcp,
7935                   { "[IEEE 802.1ad] S-PCP", "dhcp.docsis_cm_cap.mpls.spcp",
7936                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000004,
7937                     NULL, HFILL }},
7938
7939                 { &hf_dhcp_docsis_cm_cap_mpls_sdei,
7940                   { "[IEEE 802.1ad] S-DEI", "dhcp.docsis_cm_cap.mpls.sdei",
7941                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000008,
7942                     NULL, HFILL }},
7943
7944                 { &hf_dhcp_docsis_cm_cap_mpls_ctpid,
7945                   { "[IEEE 802.1ad] C-TPID", "dhcp.docsis_cm_cap.mpls.ctpid",
7946                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000010,
7947                     NULL, HFILL }},
7948
7949                 { &hf_dhcp_docsis_cm_cap_mpls_cvid,
7950                   { "[IEEE 802.1ad] C-VID", "dhcp.docsis_cm_cap.mpls.cvid",
7951                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000020,
7952                     NULL, HFILL }},
7953
7954                 { &hf_dhcp_docsis_cm_cap_mpls_cpcp,
7955                   { "[IEEE 802.1ad] C-PCP", "dhcp.docsis_cm_cap.mpls.cpcp",
7956                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000040,
7957                     NULL, HFILL }},
7958
7959                 { &hf_dhcp_docsis_cm_cap_mpls_ccfi,
7960                   { "[IEEE 802.1ad] C-CFI", "dhcp.docsis_cm_cap.mpls.ccfi",
7961                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000080,
7962                     NULL, HFILL }},
7963
7964                 { &hf_dhcp_docsis_cm_cap_mpls_stci,
7965                   { "[IEEE 802.1ad] S-TCI", "dhcp.docsis_cm_cap.mpls.stci",
7966                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000100,
7967                     NULL, HFILL }},
7968
7969                 { &hf_dhcp_docsis_cm_cap_mpls_ctci,
7970                   { "[IEEE 802.1ad] C-TCI", "dhcp.docsis_cm_cap.mpls.ctci",
7971                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000200,
7972                     NULL, HFILL }},
7973
7974                 { &hf_dhcp_docsis_cm_cap_mpls_itpid,
7975                   { "[IEEE 802.1ad] I-TPID", "dhcp.docsis_cm_cap.mpls.itpid",
7976                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000400,
7977                     NULL, HFILL }},
7978
7979                 { &hf_dhcp_docsis_cm_cap_mpls_isid,
7980                   { "[IEEE 802.1ad] I-SID", "dhcp.docsis_cm_cap.mpls.isid",
7981                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000800,
7982                     NULL, HFILL }},
7983
7984                 { &hf_dhcp_docsis_cm_cap_mpls_itci,
7985                   { "[IEEE 802.1ad] I-TCI", "dhcp.docsis_cm_cap.mpls.itci",
7986                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00001000,
7987                     NULL, HFILL }},
7988
7989                 { &hf_dhcp_docsis_cm_cap_mpls_ipcp,
7990                   { "[IEEE 802.1ad] I-PCP", "dhcp.docsis_cm_cap.mpls.ipcp",
7991                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00002000,
7992                     NULL, HFILL }},
7993
7994                 { &hf_dhcp_docsis_cm_cap_mpls_idei,
7995                   { "[IEEE 802.1ad] I-DEI", "dhcp.docsis_cm_cap.mpls.idei",
7996                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00004000,
7997                     NULL, HFILL }},
7998
7999                 { &hf_dhcp_docsis_cm_cap_mpls_iuca,
8000                   { "[IEEE 802.1ad] I-UCA", "dhcp.docsis_cm_cap.mpls.iuca",
8001                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00008000,
8002                     NULL, HFILL }},
8003
8004                 { &hf_dhcp_docsis_cm_cap_mpls_btpid,
8005                   { "[IEEE 802.1ad] B-TPID", "dhcp.docsis_cm_cap.mpls.btpid",
8006                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00010000,
8007                     NULL, HFILL }},
8008
8009                 { &hf_dhcp_docsis_cm_cap_mpls_btci,
8010                   { "[IEEE 802.1ad] B-TCI", "dhcp.docsis_cm_cap.mpls.btci",
8011                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00020000,
8012                     NULL, HFILL }},
8013
8014                 { &hf_dhcp_docsis_cm_cap_mpls_bpcp,
8015                   { "[IEEE 802.1ad] B-PCP", "dhcp.docsis_cm_cap.mpls.bpcp",
8016                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00040000,
8017                     NULL, HFILL }},
8018
8019                 { &hf_dhcp_docsis_cm_cap_mpls_bdei,
8020                   { "[IEEE 802.1ad] B-DEI", "dhcp.docsis_cm_cap.mpls.bdei",
8021                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00080000,
8022                     NULL, HFILL }},
8023
8024                 { &hf_dhcp_docsis_cm_cap_mpls_bvid,
8025                   { "[IEEE 802.1ad] B-VID", "dhcp.docsis_cm_cap.mpls.bvid",
8026                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00100000,
8027                     NULL, HFILL }},
8028
8029                 { &hf_dhcp_docsis_cm_cap_mpls_bda,
8030                   { "[IEEE 802.1ad] B-DA", "dhcp.docsis_cm_cap.mpls.bda",
8031                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00200000,
8032                     NULL, HFILL }},
8033
8034                 { &hf_dhcp_docsis_cm_cap_mpls_bsa,
8035                   { "[IEEE 802.1ad] B-SA", "dhcp.docsis_cm_cap.mpls.bsa",
8036                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00400000,
8037                     NULL, HFILL }},
8038
8039                 { &hf_dhcp_docsis_cm_cap_mpls_tc,
8040                   { "MPLS TC", "dhcp.docsis_cm_cap.mpls.tc",
8041                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00800000,
8042                     NULL, HFILL }},
8043
8044                 { &hf_dhcp_docsis_cm_cap_mpls_label,
8045                   { "MPLS Label", "dhcp.docsis_cm_cap.mpls.label",
8046                     FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x01000000,
8047                     NULL, HFILL }},
8048
8049
8050                 { &hf_dhcp_docsis_cm_cap_ussymrate_160,
8051                   { "160 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.160",
8052                     FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x01,
8053                     NULL, HFILL }},
8054
8055                 { &hf_dhcp_docsis_cm_cap_ussymrate_320,
8056                   { "320 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.320",
8057                     FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x02,
8058                     NULL, HFILL }},
8059
8060                 { &hf_dhcp_docsis_cm_cap_ussymrate_640,
8061                   { "640 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.640",
8062                     FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x04,
8063                     NULL, HFILL }},
8064
8065                 { &hf_dhcp_docsis_cm_cap_ussymrate_1280,
8066                   { "1280 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.1280",
8067                     FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x08,
8068                     NULL, HFILL }},
8069
8070                 { &hf_dhcp_docsis_cm_cap_ussymrate_2560,
8071                   { "2560 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.2560",
8072                     FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x10,
8073                     NULL, HFILL }},
8074
8075                 { &hf_dhcp_docsis_cm_cap_ussymrate_5120,
8076                   { "5120 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.5120",
8077                     FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x20,
8078                     NULL, HFILL }},
8079
8080                 { &hf_dhcp_client_identifier_uuid,
8081                   { "Client Identifier (UUID)", "dhcp.client_id.uuid",
8082                     FT_GUID, BASE_NONE, NULL, 0x0,
8083                     "Client Machine Identifier (UUID)", HFILL }},
8084
8085                 { &hf_dhcp_client_hardware_address,
8086                   { "Client hardware address", "dhcp.client_hardware_address",
8087                     FT_STRING, BASE_NONE, NULL, 0x0,
8088                     NULL, HFILL }},
8089
8090                 { &hf_dhcp_client_id_iaid,
8091                   { "IAID", "dhcp.client_id.iaid",
8092                     FT_STRING, BASE_NONE, NULL, 0x0,
8093                     NULL, HFILL }},
8094
8095                 { &hf_dhcp_client_id_duid_type,
8096                   { "DUID Type", "dhcp.client_id.duid_type",
8097                     FT_UINT16, BASE_DEC, VALS(duidtype_vals), 0x0,
8098                     NULL, HFILL }},
8099
8100                 { &hf_dhcp_client_identifier_duid_llt_hw_type,
8101                   { "Hardware type", "dhcp.client_id.duid_llt_hw_type",
8102                     FT_UINT16, BASE_DEC, VALS(arp_hrd_vals), 0x0,
8103                     "Client Identifier DUID LLT Hardware type", HFILL }},
8104
8105                 { &hf_dhcp_client_identifier_duid_ll_hw_type,
8106                   { "Hardware type", "dhcp.client_id.duid_ll_hw_type",
8107                     FT_UINT16, BASE_DEC, VALS(arp_hrd_vals), 0x0,
8108                     "Client Identifier DUID LL Hardware type", HFILL }},
8109
8110                 { &hf_dhcp_client_identifier_time,
8111                   { "Time", "dhcp.client_id.time",
8112                     FT_UINT32, BASE_DEC, NULL, 0x0,
8113                     NULL, HFILL }},
8114
8115                 { &hf_dhcp_client_identifier_link_layer_address,
8116                   { "Link layer address", "dhcp.client_id.link_layer_address",
8117                     FT_STRING, BASE_NONE, NULL, 0x0,
8118                     NULL, HFILL }},
8119
8120                 { &hf_dhcp_client_identifier_link_layer_address_ether,
8121                   { "Link layer address (Ethernet)", "dhcp.client_id.link_layer_address_ether",
8122                     FT_ETHER, BASE_NONE, NULL, 0x0,
8123                     NULL, HFILL }},
8124
8125                 { &hf_dhcp_client_identifier_enterprise_num,
8126                   { "Enterprise-number", "dhcp.client_id.enterprise_num",
8127                     FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x0,
8128                     NULL, HFILL }},
8129
8130                 { &hf_dhcp_client_identifier,
8131                   { "Identifier", "dhcp.client_id",
8132                     FT_BYTES, BASE_NONE, NULL, 0x0,
8133                     NULL, HFILL }},
8134
8135                 { &hf_dhcp_client_identifier_type,
8136                   { "Type", "dhcp.client_id.type",
8137                     FT_UINT8, BASE_DEC, NULL, 0x0,
8138                     NULL, HFILL }},
8139
8140                 { &hf_dhcp_client_identifier_undef,
8141                   { "Client Identifier", "dhcp.client_id.undef",
8142                     FT_STRING, BASE_NONE, NULL, 0x0,
8143                     NULL, HFILL }},
8144
8145                 { &hf_dhcp_option_type,
8146                   { "Option", "dhcp.option.type",
8147                     FT_UINT8, BASE_DEC, NULL, 0x0,
8148                     "DHCP/BOOTP option type", HFILL }},
8149
8150                 { &hf_dhcp_option_length,
8151                   { "Length", "dhcp.option.length",
8152                     FT_UINT8, BASE_DEC, NULL, 0x0,
8153                     "DHCP/BOOTP option length", HFILL }},
8154
8155                 { &hf_dhcp_suboption_length,
8156                   { "Length", "dhcp.option.suboption_length",
8157                     FT_UINT8, BASE_DEC, NULL, 0x0,
8158                     "Suboption length", HFILL }},
8159
8160                 { &hf_dhcp_option_value,
8161                   { "Value", "dhcp.option.value",
8162                     FT_BYTES, BASE_NONE, NULL, 0x0,
8163                     "DHCP/BOOTP option value", HFILL }},
8164
8165                 { &hf_dhcp_option_value_8,
8166                   { "Value", "dhcp.option.value.uint",
8167                     FT_UINT8, BASE_DEC, NULL, 0x0,
8168                     "8-bit DHCP/BOOTP option value", HFILL }},
8169
8170                 { &hf_dhcp_option_value_16,
8171                   { "Value", "dhcp.option.value.uint",
8172                     FT_UINT16, BASE_DEC, NULL, 0x0,
8173                     "16-bit DHCP/BOOTP option value", HFILL }},
8174
8175                 { &hf_dhcp_option_value_u32,
8176                   { "Value", "dhcp.option.value.uint",
8177                     FT_UINT32, BASE_HEX, NULL, 0x0,
8178                     "32-bit DHCP/BOOTP option value", HFILL }},
8179
8180                 { &hf_dhcp_option_value_s_secs,
8181                   { "Value", "dhcp.option.value.secs",
8182                     FT_INT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_s_secs_fmt), 0x0,
8183                     "32-bit DHCP/BOOTP option value", HFILL }},
8184
8185                 { &hf_dhcp_option_value_u_secs,
8186                   { "Value", "dhcp.option.value.usecs",
8187                     FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0,
8188                     "32-bit DHCP/BOOTP option value", HFILL }},
8189
8190                 { &hf_dhcp_option_value_stringz,
8191                   { "Value", "dhcp.option.value.string",
8192                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8193                     "Z-String DHCP/BOOTP option value", HFILL }},
8194
8195                 { &hf_dhcp_option_value_ip_address,
8196                   { "Value", "dhcp.option.value.address",
8197                     FT_IPv4, BASE_NONE, NULL, 0x00,
8198                     "IP address DHCP/BOOTP option value", HFILL }},
8199
8200                 { &hf_dhcp_option_value_boolean,
8201                   { "Value", "dhcp.option.value.bool",
8202                     FT_BOOLEAN, BASE_NONE, NULL, 0x00,
8203                     "Boolean DHCP/BOOTP option value", HFILL }},
8204
8205                 { &hf_dhcp_option_rfc_3396_detected,
8206                   { "Encoding Long Options detected (RFC 3396)", "dhcp.option.rfc_3396_detected",
8207                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8208                     NULL, HFILL }},
8209
8210                 { &hf_dhcp_option_padding,
8211                   { "Padding", "dhcp.option.padding",
8212                     FT_BYTES, BASE_NONE, NULL, 0x0,
8213                     "Option 0: Padding", HFILL }},
8214
8215                 { &hf_dhcp_option_subnet_mask,
8216                   { "Subnet Mask", "dhcp.option.subnet_mask",
8217                     FT_IPv4, BASE_NETMASK, NULL, 0x00,
8218                     "Option 1: Subnet Mask", HFILL }},
8219
8220                 { &hf_dhcp_option_time_offset,
8221                   { "Time Offset", "dhcp.option.time_offset",
8222                     FT_INT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_s_secs_fmt), 0x0,
8223                     "Option 2: Time Offset", HFILL }},
8224
8225                 { &hf_dhcp_option_router,
8226                   { "Router", "dhcp.option.router",
8227                     FT_IPv4, BASE_NONE, NULL, 0x00,
8228                     "Option 3: Router", HFILL }},
8229
8230                 { &hf_dhcp_option_time_server,
8231                   { "Time Server", "dhcp.option.time_server",
8232                     FT_IPv4, BASE_NONE, NULL, 0x00,
8233                     "Option 4: Time Server", HFILL }},
8234
8235                 { &hf_dhcp_option_name_server,
8236                   { "Name Server", "dhcp.option.name_server",
8237                     FT_IPv4, BASE_NONE, NULL, 0x00,
8238                     "Option 5: Name Server", HFILL }},
8239
8240                 { &hf_dhcp_option_domain_name_server,
8241                   { "Domain Name Server", "dhcp.option.domain_name_server",
8242                     FT_IPv4, BASE_NONE, NULL, 0x00,
8243                     "Option 6: Domain Name Server", HFILL }},
8244
8245                 { &hf_dhcp_option_log_server,
8246                   { "Log Server", "dhcp.option.log_server",
8247                     FT_IPv4, BASE_NONE, NULL, 0x00,
8248                     "Option 7: Log Server", HFILL }},
8249
8250                 { &hf_dhcp_option_quotes_server,
8251                   { "Quotes Server", "dhcp.option.quotes_server",
8252                     FT_IPv4, BASE_NONE, NULL, 0x00,
8253                     "Option 8: Quotes Server", HFILL }},
8254
8255                 { &hf_dhcp_option_lpr_server,
8256                   { "LPR Server", "dhcp.option.lpr_server",
8257                     FT_IPv4, BASE_NONE, NULL, 0x00,
8258                     "Option 9: LPR Server", HFILL }},
8259
8260                 { &hf_dhcp_option_impress_server,
8261                   { "Impress Server", "dhcp.option.impress_server",
8262                     FT_IPv4, BASE_NONE, NULL, 0x00,
8263                     "Option 10: Impress Server", HFILL }},
8264
8265                 { &hf_dhcp_option_resource_location_server,
8266                   { "Resource Location Server", "dhcp.option.resource_location_server",
8267                     FT_IPv4, BASE_NONE, NULL, 0x00,
8268                     "Option 11: Resource Location Server", HFILL }},
8269
8270                 { &hf_dhcp_option_hostname,
8271                   { "Host Name", "dhcp.option.hostname",
8272                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8273                     "Option 12: Host Name", HFILL }},
8274
8275                 { &hf_dhcp_option_boot_file_size,
8276                   { "Boot File Size", "dhcp.option.boot_file_size",
8277                     FT_UINT16, BASE_DEC, NULL, 0x0,
8278                     "Option 13: Boot File Size", HFILL }},
8279
8280                 { &hf_dhcp_option_merit_dump_file,
8281                   { "Merit Dump File", "dhcp.option.merit_dump_file",
8282                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8283                     "Option 14: Merit Dump File", HFILL }},
8284
8285                 { &hf_dhcp_option_domain_name,
8286                   { "Domain Name", "dhcp.option.domain_name",
8287                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8288                     "Option 15: Domain Name", HFILL }},
8289
8290                 { &hf_dhcp_option_swap_server,
8291                   { "Swap Server", "dhcp.option.swap_server",
8292                     FT_IPv4, BASE_NONE, NULL, 0x00,
8293                     "Option 16: Swap Server", HFILL }},
8294
8295                 { &hf_dhcp_option_root_path,
8296                   { "Root Path", "dhcp.option.root_path",
8297                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8298                     "Option 17: Root Path", HFILL }},
8299
8300                 { &hf_dhcp_option_extension_path,
8301                   { "Extensions Path", "dhcp.option.extension_path",
8302                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8303                     "Option 18: Extensions Path", HFILL }},
8304
8305                 { &hf_dhcp_option_ip_forwarding,
8306                   { "IP Forwarding", "dhcp.option.ip_forwarding",
8307                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00,
8308                     "Option 19: IP Forwarding", HFILL }},
8309
8310                 { &hf_dhcp_option_policy_filter_ip,
8311                   { "IP Address", "dhcp.option.policy_filter.ip",
8312                     FT_IPv4, BASE_NONE, NULL, 0x00,
8313                     "Option 21: IP address", HFILL }},
8314
8315                 { &hf_dhcp_option_policy_filter_subnet_mask,
8316                   { "Subnet Mask", "dhcp.option.policy_filter.subnet_mask",
8317                     FT_IPv4, BASE_NETMASK, NULL, 0x00,
8318                     "Option 21: Subnet Mask", HFILL }},
8319
8320                 { &hf_dhcp_option_non_local_source_routing,
8321                   { "Non-Local Source Routing", "dhcp.option.non_local_source_routing",
8322                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00,
8323                     "Option 20: Non-Local Source Routing", HFILL }},
8324
8325                 { &hf_dhcp_option_max_datagram_reassembly_size,
8326                   { "Maximum Datagram Reassembly Size", "dhcp.option.max_datagram_reassembly_size",
8327                     FT_UINT16, BASE_DEC, NULL, 0x0,
8328                     "Option 22: Maximum Datagram Reassembly Size", HFILL }},
8329
8330                 { &hf_dhcp_option_default_ip_ttl,
8331                   { "Default IP Time-to-Live", "dhcp.option.default_ip_ttl",
8332                     FT_UINT8, BASE_DEC, NULL, 0x0,
8333                     "Option 23: Default IP Time-to-Live", HFILL }},
8334
8335                 { &hf_dhcp_option_path_mtu_aging_timeout,
8336                   { "Path MTU Aging Timeout", "dhcp.option.path_mtu_aging_timeout",
8337                     FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0,
8338                     "Option 24: Path MTU Aging Timeout", HFILL }},
8339
8340                 { &hf_dhcp_option_path_mtu_plateau_table_item,
8341                   { "Path MTU Plateau Table Item", "dhcp.option.path_mtu_plateau_table_item",
8342                     FT_UINT16, BASE_DEC, NULL, 0x0,
8343                     "Option 25: Path MTU Plateau Table Item", HFILL }},
8344
8345                 { &hf_dhcp_option_interface_mtu,
8346                   { "Interface MTU", "dhcp.option.interface_mtu",
8347                     FT_UINT16, BASE_DEC, NULL, 0x0,
8348                     "Option 26: Interface MTU", HFILL }},
8349
8350                 { &hf_dhcp_option_all_subnets_are_local,
8351                   { "All Subnets are Local", "dhcp.option.all_subnets_are_local",
8352                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x00,
8353                     "Option 27: All Subnets are Local", HFILL }},
8354
8355                 { &hf_dhcp_option_broadcast_address,
8356                   { "Broadcast Address", "dhcp.option.broadcast_address",
8357                     FT_IPv4, BASE_NONE, NULL, 0x00,
8358                     "Option 28: Broadcast Address", HFILL }},
8359
8360                 { &hf_dhcp_option_perform_mask_discovery,
8361                   { "Perform Mask Discovery", "dhcp.option.perform_mask_discovery",
8362                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00,
8363                     "Option 29: Perform Mask Discovery", HFILL }},
8364
8365                 { &hf_dhcp_option_mask_supplier,
8366                   { "Mask Supplier", "dhcp.option.mask_supplier",
8367                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x00,
8368                     "Option 30: Mask Supplier", HFILL }},
8369
8370                 { &hf_dhcp_option_perform_router_discover,
8371                   { "Perform Router Discover", "dhcp.option.perform_router_discover",
8372                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00,
8373                     "Option 31: Perform Router Discover", HFILL }},
8374
8375                 { &hf_dhcp_option_router_solicitation_address,
8376                   { "Router Solicitation Address", "dhcp.option.router_solicitation_address",
8377                     FT_IPv4, BASE_NONE, NULL, 0x00,
8378                     "Option 32: Router Solicitation Address", HFILL }},
8379
8380                 { &hf_dhcp_option_static_route_ip,
8381                   { "Destination IP Address", "dhcp.option.static_route.ip",
8382                     FT_IPv4, BASE_NONE, NULL, 0x00,
8383                     "Option 33: Destination IP address", HFILL }},
8384
8385                 { &hf_dhcp_option_static_route_router,
8386                   { "Destination Router", "dhcp.option.static_route.router",
8387                     FT_IPv4, BASE_NONE, NULL, 0x00,
8388                     "Option 33: Destination Router", HFILL }},
8389
8390                 { &hf_dhcp_option_trailer_encapsulation,
8391                   { "Trailer Encapsulation", "dhcp.option.trailer_encapsulation",
8392                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00,
8393                     "Option 34: Trailer Encapsulation", HFILL }},
8394
8395                 { &hf_dhcp_option_arp_cache_timeout,
8396                   { "ARP Cache Timeout", "dhcp.option.arp_cache_timeout",
8397                     FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0,
8398                     "Option 35: ARP Cache Timeout", HFILL }},
8399
8400                 { &hf_dhcp_option_ethernet_encapsulation,
8401                   { "Ethernet Encapsulation", "dhcp.option.ethernet_encapsulation",
8402                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00,
8403                     "Option 36: Ethernet Encapsulation", HFILL }},
8404
8405                 { &hf_dhcp_option_tcp_default_ttl,
8406                   { "TCP Default TTL", "dhcp.option.tcp_default_ttl",
8407                     FT_UINT8, BASE_DEC, NULL, 0x0,
8408                     "Option 37: TCP Default TTL", HFILL }},
8409
8410                 { &hf_dhcp_option_tcp_keepalive_interval,
8411                   { "TCP Keepalive Interval", "dhcp.option.tcp_keepalive_interval",
8412                     FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0,
8413                     "Option 38: TCP Keepalive Interval", HFILL }},
8414
8415                 { &hf_dhcp_option_tcp_keepalive_garbage,
8416                   { "TCP Keepalive Garbage", "dhcp.option.tcp_keepalive_garbage",
8417                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00,
8418                     "Option 39: TCP Keepalive Garbage", HFILL }},
8419
8420                 { &hf_dhcp_option_nis_domain,
8421                   { "Network Information Service Domain", "dhcp.option.nis_domain",
8422                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8423                     "Option 40: Network Information Service Domain", HFILL }},
8424
8425                 { &hf_dhcp_option_nis_server,
8426                   { "Network Information Service Server", "dhcp.option.nis_server",
8427                     FT_IPv4, BASE_NONE, NULL, 0x00,
8428                     "Option 41: Network Information Service Server", HFILL }},
8429
8430                 { &hf_dhcp_option_ntp_server,
8431                   { "Network Time Protocol Server", "dhcp.option.ntp_server",
8432                     FT_IPv4, BASE_NONE, NULL, 0x00,
8433                     "Option 42: Network Time Protocol Server", HFILL }},
8434
8435                 { &hf_dhcp_option43_suboption,
8436                   { "Option 43 Suboption", "dhcp.option.vendor.suboption",
8437                     FT_UINT8, BASE_DEC, NULL, 0x0,
8438                     NULL, HFILL }},
8439
8440                 { &hf_dhcp_option43_value,
8441                   { "Value", "dhcp.option.vendor.value",
8442                     FT_BYTES, BASE_NONE, NULL, 0x0,
8443                     "Option 43: Suboption value", HFILL }},
8444
8445                 { &hf_dhcp_option43_value_8,
8446                   { "Value", "dhcp.option.vendor.value.uint",
8447                     FT_UINT8, BASE_DEC, NULL, 0x0,
8448                     "Option 43: Suboption 8-bit value", HFILL }},
8449
8450                 { &hf_dhcp_option43_value_32,
8451                   { "Value", "dhcp.option.vendor.value.uint",
8452                     FT_UINT32, BASE_DEC, NULL, 0x0,
8453                     "Option 43: Suboption 32-bit value", HFILL }},
8454
8455                 { &hf_dhcp_option43_value_stringz,
8456                   { "Value", "dhcp.option.vendor.value.string",
8457                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8458                     "Option 43: Suboption Z-String value", HFILL }},
8459
8460                 { &hf_dhcp_option43_value_ip_address,
8461                   { "Value", "dhcp.option.vendor.value.address",
8462                     FT_IPv4, BASE_NONE, NULL, 0x00,
8463                     "Option 43: Suboption IP address", HFILL }},
8464
8465
8466                 { &hf_dhcp_option43_pxeclient_suboption,
8467                   { "Option 43 Suboption", "dhcp.option.vendor.pxeclient.suboption",
8468                     FT_UINT8, BASE_DEC, VALS(option43_pxeclient_suboption_vals), 0x0,
8469                     "Option 43:PXE Client Suboption", HFILL }},
8470
8471                 { &hf_dhcp_option43_pxeclient_padding,
8472                   { "Padding", "dhcp.option.vendor.pxeclient.padding",
8473                     FT_UINT8, BASE_DEC, NULL, 0x0,
8474                     "Option 43:PXE Client 0 Padding", HFILL }},
8475
8476                 { &hf_dhcp_option43_pxeclient_mtftp_ip,
8477                   { "mtftp IP", "dhcp.option.vendor.pxeclient.mtftp_ip",
8478                     FT_IPv4, BASE_NONE, NULL, 0x00,
8479                     "Option 43:PXE Client 1 mtftp IP", HFILL }},
8480
8481                 { &hf_dhcp_option43_pxeclient_mtftp_client_port,
8482                   { "mtftp client port", "dhcp.option.vendor.pxeclient.mtftp_client_port",
8483                     FT_UINT16, BASE_DEC, NULL, 0x00,
8484                     "Option 43:PXE Client 2 mtftp client port", HFILL }},
8485
8486                 { &hf_dhcp_option43_pxeclient_mtftp_server_port,
8487                   { "mtftp server port", "dhcp.option.vendor.pxeclient.mtftp_server_port",
8488                     FT_UINT16, BASE_DEC, NULL, 0x00,
8489                     "Option 43:PXE Client 3 mtftp server port", HFILL }},
8490
8491                 { &hf_dhcp_option43_pxeclient_mtftp_timeout,
8492                   { "mtftp timeout", "dhcp.option.vendor.pxeclient.mtftp_timeout",
8493                     FT_UINT8, BASE_DEC, NULL, 0x0,
8494                     "Option 43:PXE Client 4 mtftp timeout", HFILL }},
8495
8496                 { &hf_dhcp_option43_pxeclient_mtftp_delay,
8497                   { "mtftp delay", "dhcp.option.vendor.pxeclient.mtftp_delay",
8498                     FT_UINT8, BASE_DEC, NULL, 0x0,
8499                     "Option 43:PXE Client 5 mtftp delay", HFILL }},
8500
8501                 { &hf_dhcp_option43_pxeclient_discovery_control,
8502                   { "discovery control", "dhcp.option.vendor.pxeclient.discovery_control",
8503                     FT_UINT8, BASE_HEX, NULL, 0x0,
8504                     "Option 43:PXE Client 6 discovery control", HFILL }},
8505
8506                 { &hf_dhcp_option43_pxeclient_discovery_control_bc,
8507                   { "Disable Broadcast", "dhcp.option.vendor.pxeclient.discovery_control.broadcast",
8508                     FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01,
8509                     NULL, HFILL }},
8510
8511                 { &hf_dhcp_option43_pxeclient_discovery_control_mc,
8512                   { "Disable Multicast", "dhcp.option.vendor.pxeclient.discovery_control.multicast",
8513                     FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02,
8514                     NULL, HFILL }},
8515
8516                 { &hf_dhcp_option43_pxeclient_discovery_control_serverlist,
8517                   { "Serverlist only", "dhcp.option.vendor.pxeclient.discovery_control.serverlist",
8518                     FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04,
8519                     NULL, HFILL }},
8520
8521                 { &hf_dhcp_option43_pxeclient_discovery_control_bstrap,
8522                   { "Bootstrap override", "dhcp.option.vendor.pxeclient.discovery_control.bstrap",
8523                     FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08,
8524                     NULL, HFILL }},
8525
8526                 { &hf_dhcp_option43_pxeclient_multicast_address,
8527                   { "multicast address", "dhcp.option.vendor.pxeclient.multicast_address",
8528                     FT_IPv4, BASE_NONE, NULL, 0x00,
8529                     "Option 43:PXE Client 7 multicast address", HFILL }},
8530
8531                 { &hf_dhcp_option43_pxeclient_boot_servers,
8532                   { "boot servers", "dhcp.option.vendor.pxeclient.boot_servers",
8533                     FT_BYTES, BASE_NONE, NULL, 0x0,
8534                     "Option 43:PXE Client 8 boot servers", HFILL }},
8535
8536                 { &hf_dhcp_option43_pxeclient_boot_server_type,
8537                   { "Type", "dhcp.option.vendor.pxeclient.boot_servers.type",
8538                     FT_UINT16, BASE_DEC, VALS(o43pxeclient_boot_server_types), 0x0,
8539                     NULL, HFILL }},
8540
8541                 { &hf_dhcp_option43_pxeclient_boot_server_count,
8542                   { "IP count", "dhcp.option.vendor.pxeclient.boot_servers.count",
8543                     FT_UINT8, BASE_DEC, NULL, 0x0,
8544                     NULL, HFILL }},
8545
8546                 { &hf_dhcp_option43_pxeclient_boot_server_ip,
8547                   { "IP", "dhcp.option.vendor.pxeclient.boot_servers.ip",
8548                     FT_IPv4, BASE_NONE, NULL, 0x0,
8549                     NULL, HFILL }},
8550
8551                 { &hf_dhcp_option43_pxeclient_boot_menu,
8552                   { "boot menu", "dhcp.option.vendor.pxeclient.boot_menu",
8553                     FT_BYTES, BASE_NONE, NULL, 0x0,
8554                     "Option 43:PXE Client 9 boot menu", HFILL }},
8555
8556                 { &hf_dhcp_option43_pxeclient_boot_menu_type,
8557                   { "Type", "dhcp.option.vendor.pxeclient.boot_menu.type",
8558                     FT_UINT16, BASE_DEC, VALS(o43pxeclient_boot_menu_types), 0x0,
8559                     NULL, HFILL }},
8560
8561                 { &hf_dhcp_option43_pxeclient_boot_menu_length,
8562                   { "Length", "dhcp.option.vendor.pxeclient.boot_menu.length",
8563                     FT_UINT8, BASE_DEC, NULL, 0x0,
8564                     NULL, HFILL }},
8565
8566                 { &hf_dhcp_option43_pxeclient_boot_menu_desc,
8567                   { "Description", "dhcp.option.vendor.pxeclient.boot_menu.desc",
8568                     FT_STRING, BASE_NONE, NULL, 0x0,
8569                     NULL, HFILL }},
8570
8571                 { &hf_dhcp_option43_pxeclient_menu_prompt,
8572                   { "menu prompt", "dhcp.option.vendor.pxeclient.menu_prompt",
8573                     FT_BYTES, BASE_NONE, NULL, 0x0,
8574                     "Option 43:PXE Client 10 menu prompt", HFILL }},
8575
8576                 { &hf_dhcp_option43_pxeclient_menu_prompt_timeout,
8577                   { "Timeout", "dhcp.option.vendor.pxeclient.menu_prompt.timeout",
8578                     FT_UINT8, BASE_DEC, NULL, 0x0,
8579                     NULL, HFILL }},
8580
8581                 { &hf_dhcp_option43_pxeclient_menu_prompt_prompt,
8582                   { "Prompt", "dhcp.option.vendor.pxeclient.menu_prompt.prompt",
8583                     FT_STRING, BASE_NONE, NULL, 0x0,
8584                     NULL, HFILL }},
8585
8586                 { &hf_dhcp_option43_pxeclient_multicast_address_alloc,
8587                   { "multicast address alloc", "dhcp.option.vendor.pxeclient.multicast_address_alloc",
8588                     FT_BYTES, BASE_NONE, NULL, 0x0,
8589                     "Option 43:PXE Client 11 multicast address alloc", HFILL }},
8590
8591                 { &hf_dhcp_option43_pxeclient_credential_types,
8592                   { "credential types", "dhcp.option.vendor.pxeclient.credential_types",
8593                     FT_BYTES, BASE_NONE, NULL, 0x0,
8594                     "Option 43:PXE Client 12 credential types", HFILL }},
8595
8596                 { &hf_dhcp_option43_pxeclient_boot_item,
8597                   { "boot item", "dhcp.option.vendor.pxeclient.boot_item",
8598                     FT_BYTES, BASE_NONE, NULL, 0x0,
8599                     "Option 43:PXE Client 71 boot item", HFILL }},
8600
8601                 { &hf_dhcp_option43_pxeclient_boot_item_type,
8602                   { "Type", "dhcp.option.vendor.pxeclient.boot_item.type",
8603                     FT_UINT16, BASE_DEC, NULL, 0x0,
8604                     NULL, HFILL }},
8605
8606                 { &hf_dhcp_option43_pxeclient_boot_item_layer,
8607                   { "Layer", "dhcp.option.vendor.pxeclient.boot_item.layer",
8608                     FT_BYTES, BASE_NONE, NULL, 0x0,
8609                     NULL, HFILL }},
8610
8611                 { &hf_dhcp_option43_pxeclient_lcm_server,
8612                   { "LCM Server Name", "dhcp.option.vendor.pxeclient.lcm_server",
8613                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8614                     "Option 43:PXE Client 179 LCM Server", HFILL }},
8615
8616                 { &hf_dhcp_option43_pxeclient_lcm_domain,
8617                   { "LCM Domain", "dhcp.option.vendor.pxeclient.lcm_domain",
8618                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8619                     "Option 43:PXE Client 180 LCM Domain", HFILL }},
8620
8621                 { &hf_dhcp_option43_pxeclient_lcm_nic_option,
8622                   { "LCM NIC option", "dhcp.option.vendor.pxeclient.lcm_nic_option",
8623                     FT_BYTES, BASE_NONE, NULL, 0x0,
8624                     "Option 43:PXE Client 181 LCM NIC Option", HFILL }},
8625
8626                 { &hf_dhcp_option43_pxeclient_lcm_workgroup,
8627                   { "LCM Workgroup", "dhcp.option.vendor.pxeclient.lcm_workgroup",
8628                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8629                     "Option 43:PXE Client 190 LCM Workgroup", HFILL }},
8630
8631                 { &hf_dhcp_option43_pxeclient_discovery,
8632                   { "Discovery", "dhcp.option.vendor.pxeclient.discovery",
8633                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x0,
8634                     "Option 43:PXE Client 191 Discovery", HFILL }},
8635
8636                 { &hf_dhcp_option43_pxeclient_configured,
8637                   { "Configured", "dhcp.option.vendor.pxeclient.configured",
8638                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x0,
8639                     "Option 43:PXE Client 192 Configured", HFILL }},
8640
8641                 { &hf_dhcp_option43_pxeclient_lcm_version,
8642                   { "LCM Version", "dhcp.option.vendor.pxeclient.lcm_version",
8643                     FT_UINT32, BASE_DEC, NULL, 0x0,
8644                     "Option 43:PXE Client 193 LCM Version", HFILL }},
8645
8646                 { &hf_dhcp_option43_pxeclient_lcm_serial,
8647                   { "LCM Serial Number", "dhcp.option.vendor.pxeclient.lcm_serial",
8648                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8649                     "Option 43:PXE Client 194 LCM Serial Number", HFILL }},
8650
8651                 { &hf_dhcp_option43_pxeclient_end,
8652                   { "PXE Client End", "dhcp.option.vendor.pxeclient.end",
8653                     FT_UINT8, BASE_DEC, NULL, 0x0,
8654                     "Option 43:PXE Client 255 End", HFILL }},
8655
8656
8657                /* AEROHIVE (Extremenetworks) vendor suboptions */
8658                { &hf_dhcp_option43_aerohive_suboption,
8659                  { "Option 43 Suboption", "dhcp.option.vendor.aerohive.suboption",
8660                    FT_UINT8, BASE_DEC, VALS(option43_aerohive_suboption_vals), 0x0,
8661                    "Option 43:AEROHIVE Suboption", HFILL }},
8662
8663                 { &hf_dhcp_option43_aerohive_unknown,
8664                   { "Unknown", "dhcp.option.vendor.aerohive.unknown",
8665                     FT_BYTES, BASE_NONE, NULL, 0x0,
8666                     NULL, HFILL }},
8667
8668                { &hf_dhcp_option43_aerohive_xiqhostname,
8669                  { "HM FQDN", "dhcp.option.vendor.aerohive.xiqhostname",
8670                    FT_STRING, BASE_NONE, NULL, 0x0,
8671                    "Hive Manager NG FQDN", HFILL }},
8672
8673                { &hf_dhcp_option43_aerohive_xiqipaddress,
8674                  { "HM IP", "dhcp.option.vendor.aerohive.xiqipaddress",
8675                    FT_IPv4, BASE_NONE, NULL, 0x0,
8676                    "Hive Manager NG IP address", HFILL }},
8677
8678
8679                 { &hf_dhcp_option43_cl_suboption,
8680                   { "Option 43 Suboption", "dhcp.option.vendor.cl.suboption",
8681                     FT_UINT8, BASE_DEC, VALS(option43_cl_suboption_vals), 0x0,
8682                     "Option 43:CL Suboption", HFILL }},
8683
8684                 { &hf_dhcp_option43_cl_padding,
8685                   { "Padding", "dhcp.option.vendor.cl.padding",
8686                     FT_UINT8, BASE_DEC, NULL, 0x0,
8687                     "Option 43:CL 0 Padding", HFILL }},
8688
8689                 { &hf_dhcp_option43_cl_suboption_request_list,
8690                   { "Suboption Request List", "dhcp.option.vendor.cl.suboption_request_list",
8691                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8692                     "Option 43:CL 1 Suboption Request List", HFILL }},
8693
8694                 { &hf_dhcp_option43_cl_device_type,
8695                   { "Device Type", "dhcp.option.vendor.cl.device_type",
8696                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8697                     "Option 43:CL 2 Device Type", HFILL }},
8698
8699                 { &hf_dhcp_option43_cl_esafe_type,
8700                   { "eSAFE Types", "dhcp.option.vendor.cl.esafe_type",
8701                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8702                     "Option 43:CL 3 eSAFE Types", HFILL }},
8703
8704                 { &hf_dhcp_option43_cl_serial_number,
8705                   { "Serial Number", "dhcp.option.vendor.cl.serial_number",
8706                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8707                     "Option 43:CL 4 Serial Number", HFILL }},
8708
8709                 { &hf_dhcp_option43_cl_hardware_version,
8710                   { "Hardware Version", "dhcp.option.vendor.cl.hardware_version",
8711                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8712                     "Option 43:CL 5 Hardware Version", HFILL }},
8713
8714                 { &hf_dhcp_option43_cl_software_version,
8715                   { "Software Version", "dhcp.option.vendor.cl.software_version",
8716                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8717                     "Option 43:CL 6 Software Version", HFILL }},
8718
8719                 { &hf_dhcp_option43_cl_boot_rom_version,
8720                   { "Boot ROM version", "dhcp.option.vendor.cl.boot_rom_version",
8721                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8722                     "Option 43:CL 7 Boot ROM version", HFILL }},
8723
8724                 { &hf_dhcp_option43_cl_oui_string,
8725                   { "Organizationally Unique Identifier", "dhcp.option.vendor.cl.oui_string",
8726                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8727                     "Option 43:CL 8 Organizationally Unique Identifier", HFILL }},
8728
8729                 { &hf_dhcp_option43_cl_oui_bytes,
8730                   { "Organizationally Unique Identifier", "dhcp.option.vendor.cl.oui_bytes",
8731                     FT_BYTES, BASE_NONE, NULL, 0x0,
8732                     "Option 43:CL 8 Organizationally Unique Identifier", HFILL }},
8733
8734                 { &hf_dhcp_option43_cl_model_number,
8735                   { "Model Number", "dhcp.option.vendor.cl.model_number",
8736                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8737                     "Option 43:CL 9 Model Number", HFILL }},
8738
8739                 { &hf_dhcp_option43_cl_vendor_name10,
8740                   { "Vendor Name", "dhcp.option.vendor.cl.vendor_name10",
8741                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8742                     "Option 43:CL 10 Vendor Name", HFILL }},
8743
8744                 { &hf_dhcp_option43_cl_address_realm,
8745                   { "Address Realm", "dhcp.option.vendor.cl.address_realm",
8746                     FT_UINT8, BASE_DEC, VALS(cablehome_subopt11_vals), 0x0,
8747                     "Option 43:CL 11 Address Realm", HFILL }},
8748
8749                 { &hf_dhcp_option43_cl_cm_ps_system_desc,
8750                   { "CM/PS System Description", "dhcp.option.vendor.cl.cm_ps_system_desc",
8751                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8752                     "Option 43:CL 12 CM/PS System Description", HFILL }},
8753
8754                 { &hf_dhcp_option43_cl_cm_ps_firmware_revision,
8755                   { "CM/PS Firmware Revision", "dhcp.option.vendor.cl.cm_ps_firmware_revision",
8756                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8757                     "Option 43:CL 13 CM/PS Firmware Revision", HFILL }},
8758
8759                 { &hf_dhcp_option43_cl_firewall_policy_file_version,
8760                   { "Firewall Policy File Version", "dhcp.option.vendor.cl.firewall_policy_file_version",
8761                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8762                     "Option 43:CL 14 Firewall Policy File Version", HFILL }},
8763
8764                 { &hf_dhcp_option43_cl_esafe_config_file_devices,
8765                   { "eSafe Config File Devices", "dhcp.option.vendor.cl.esafe_config_file_devices",
8766                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8767                     "Option 43:CL 15 eSafe Config File Devices", HFILL }},
8768
8769                 { &hf_dhcp_option43_cl_video_security_tape,
8770                   { "Video Security Type", "dhcp.option.vendor.cl.video_security_tape",
8771                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8772                     "Option 43:CL 18 Video Security Type", HFILL }},
8773
8774                 { &hf_dhcp_option43_cl_mta_mac_address,
8775                   { "MTA MAC Address", "dhcp.option.vendor.cl.mta_mac_address",
8776                     FT_ETHER, BASE_NONE, NULL, 0x0,
8777                     "Option 43:CL 31 MTA MAC Address", HFILL }},
8778
8779                 { &hf_dhcp_option43_cl_correlation_ID,
8780                   { "Correlation ID", "dhcp.option.vendor.cl.correlation_ID",
8781                     FT_UINT32, BASE_DEC, NULL, 0x0,
8782                     "Option 43: CL 32 Correlation ID", HFILL }},
8783
8784                 { &hf_dhcp_option43_cl_vendor_name51,
8785                   { "Vendor Name", "dhcp.option.vendor.cl.vendor_name51",
8786                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8787                     "Option 43:CL 51 Vendor Name", HFILL }},
8788
8789                 { &hf_dhcp_option43_cl_cablecard_capability,
8790                   { "CableCARD Capability", "dhcp.option.vendor.cl.cablecard_capability",
8791                     FT_BYTES, BASE_NONE, NULL, 0x0,
8792                     "Option 43:CL 52 CableCARD Capability", HFILL }},
8793
8794                 { &hf_dhcp_option43_cl_device_id_ca,
8795                   { "Device Identification (CA)", "dhcp.option.vendor.cl.device_id_ca",
8796                     FT_BYTES, BASE_NONE, NULL, 0x0,
8797                     "Option 43:CL 53 Device Identification (CA)", HFILL }},
8798
8799                 { &hf_dhcp_option43_cl_device_id_x509,
8800                   { "Device Identification (X.509)", "dhcp.option.vendor.cl.device_id_x509",
8801                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
8802                     "Option 43:CL 54 Device Identification (X.509)", HFILL }},
8803
8804                 { &hf_dhcp_option43_cl_end,
8805                   { "CL End", "dhcp.option.vendor.cl.end",
8806                     FT_UINT8, BASE_DEC, NULL, 0x0,
8807                     "Option 43:CL 255 End", HFILL }},
8808
8809
8810                 { &hf_dhcp_option43_alcatel_suboption,
8811                   { "Option 43 Suboption", "dhcp.option.vendor.alu.suboption",
8812                     FT_UINT8, BASE_DEC, VALS(option43_alcatel_suboption_vals), 0x0,
8813                     "Option 43:Alcatel Suboption", HFILL }},
8814
8815                 { &hf_dhcp_option43_alcatel_padding,
8816                   { "Padding", "dhcp.option.vendor.alu.padding",
8817                     FT_UINT8, BASE_DEC, NULL, 0x0,
8818                     "Option 43:Alcatel 0 Padding", HFILL }},
8819
8820                 { &hf_dhcp_option43_alcatel_vlan_id,
8821                   { "Voice VLAN ID", "dhcp.option.vendor.alu.vid",
8822                     FT_UINT16, BASE_DEC, NULL, 0x0,
8823                     "Option 43:Alcatel 58 Voice VLAN ID", HFILL }},
8824
8825                 { &hf_dhcp_option43_alcatel_tftp1,
8826                   { "Spatial Redundancy TFTP1", "dhcp.option.vendor.alu.tftp1",
8827                     FT_IPv4, BASE_NONE, NULL, 0x0,
8828                     "Option 43:Alcatel 64 Spatial Redundancy TFTP1", HFILL }},
8829
8830                 { &hf_dhcp_option43_alcatel_tftp2,
8831                   { "Spatial Redundancy TFTP2", "dhcp.option.vendor.alu.tftp2",
8832                     FT_IPv4, BASE_NONE, NULL, 0x0,
8833                     "Option 43:Alcatel 65 Spatial Redundancy TFTP2", HFILL }},
8834
8835                 { &hf_dhcp_option43_alcatel_app_type,
8836                   { "Application Type", "dhcp.option.vendor.alu.app_type",
8837                     FT_UINT8, BASE_DEC, VALS(option43_alcatel_app_type_vals), 0x0,
8838                     "Option 43:Alcatel 66 Application Type", HFILL }},
8839
8840                 { &hf_dhcp_option43_alcatel_sip_url,
8841                   { "SIP URL", "dhcp.option.vendor.alu.sip_url",
8842                     FT_STRING, BASE_NONE, NULL, 0x0,
8843                     "Option 43:Alcatel 67 SIP URL", HFILL }},
8844
8845                 { &hf_dhcp_option43_alcatel_end,
8846                   { "Alcatel End", "dhcp.option.vendor.alu.end",
8847                     FT_UINT8, BASE_DEC, NULL, 0x0,
8848                     "Option 43:Alcatel 255 End", HFILL }},
8849
8850                 { &hf_dhcp_option43_arubaap_controllerip,
8851                   { "Aruba Controller IP", "dhcp.option.vendor.arubaap.controllerip",
8852                     FT_STRING, BASE_NONE, NULL, 0x0,
8853                     "Address IP of Aruba controller", HFILL }},
8854
8855                 { &hf_dhcp_option43_arubaiap,
8856                   { "Aruba Instant AP", "dhcp.option.vendor.arubaiap",
8857                     FT_STRING, BASE_NONE, NULL, 0x0,
8858                     "nameorg,amp-ip-address,password", HFILL }},
8859
8860                 { &hf_dhcp_option43_arubaiap_nameorg,
8861                   { "Name Organisation", "dhcp.option.vendor.arubaiap.name_org",
8862                     FT_STRING, BASE_NONE, NULL, 0x0,
8863                     NULL, HFILL }},
8864
8865                 { &hf_dhcp_option43_arubaiap_ampip,
8866                   { "AMP IP Address", "dhcp.option.vendor.arubaiap.amp_ip",
8867                     FT_STRING, BASE_NONE, NULL, 0x0,
8868                     "Address IP of Airwave server (AMP)", HFILL }},
8869
8870                 { &hf_dhcp_option43_arubaiap_password,
8871                   { "Password", "dhcp.option.vendor.arubaiap.password",
8872                     FT_STRING, BASE_NONE, NULL, 0x0,
8873                     "Password for Instant AP Airwave server (AMP)", HFILL }},
8874
8875
8876                 { &hf_dhcp_option43_bsdp_suboption,
8877                   { "Option 43 Suboption", "dhcp.option.vendor.bsdp.suboption",
8878                     FT_UINT8, BASE_DEC, VALS(option43_cl_suboption_vals), 0x0,
8879                     "Option 43:BSDP Suboption", HFILL }},
8880
8881                 { &hf_dhcp_option43_bsdp_message_type,
8882                   { "Message Type", "dhcp.option.vendor.bsdp.message_type",
8883                     FT_UINT8, BASE_DEC, VALS(o43_bsdp_message_type_vals), 0x0,
8884                     NULL, HFILL }},
8885
8886                 { &hf_dhcp_option43_bsdp_version,
8887                   { "Version", "dhcp.option.vendor.bsdp.version",
8888                     FT_UINT16, BASE_HEX, NULL, 0x0,
8889                     NULL, HFILL }},
8890
8891                 { &hf_dhcp_option43_bsdp_server_identifier,
8892                   { "Server Identifier", "dhcp.option.vendor.bsdp.server_identifier",
8893                     FT_IPv4, BASE_NONE, NULL, 0x0,
8894                     NULL, HFILL }},
8895
8896                 { &hf_dhcp_option43_bsdp_server_priority,
8897                   { "Server Priority", "dhcp.option.vendor.bsdp.server_priority",
8898                     FT_UINT16, BASE_DEC, NULL, 0x0,
8899                     NULL, HFILL }},
8900
8901                 { &hf_dhcp_option43_bsdp_reply_port,
8902                   { "Reply Port", "dhcp.option.vendor.bsdp.reply_port",
8903                     FT_UINT16, BASE_DEC, NULL, 0x0,
8904                     NULL, HFILL }},
8905
8906                 { &hf_dhcp_option43_bsdp_boot_image_list_path,
8907                   { "Boot Image List Path", "dhcp.option.vendor.bsdp.boot_image_list_path",
8908                     FT_STRING, BASE_NONE, NULL, 0x0,
8909                     NULL, HFILL }},
8910
8911                 { &hf_dhcp_option43_bsdp_boot_image_index,
8912                   { "Boot Image Index", "dhcp.option.vendor.bsdp.boot_image.index",
8913                     FT_UINT16, BASE_HEX, NULL, 0x0,
8914                     NULL, HFILL }},
8915
8916                 { &hf_dhcp_option43_bsdp_default_boot_image_id,
8917                   { "Default Boot Image ID", "dhcp.option.vendor.bsdp.default_boot_image_id",
8918                     FT_UINT32, BASE_HEX, NULL, 0x0,
8919                     NULL, HFILL }},
8920
8921                 { &hf_dhcp_option43_bsdp_selected_boot_image_id,
8922                   { "Selected Boot Image ID", "dhcp.option.vendor.bsdp.selected_boot_image_id",
8923                     FT_UINT32, BASE_HEX, NULL, 0x0,
8924                     NULL, HFILL }},
8925
8926                 { &hf_dhcp_option43_bsdp_boot_image_list,
8927                   { "Boot Image List", "dhcp.option.vendor.bsdp.boot_image_list",
8928                     FT_BYTES, BASE_NONE, NULL, 0x0,
8929                     NULL, HFILL }},
8930
8931                 { &hf_dhcp_option43_bsdp_image_desc,
8932                   { "Boot Image Description", "dhcp.option.vendor.bsdp.boot_image.desc",
8933                     FT_BYTES, BASE_NONE, NULL, 0x0,
8934                     NULL, HFILL }},
8935
8936                 { &hf_dhcp_option43_bsdp_boot_image_name_len,
8937                   { "Boot Image Name Length", "dhcp.option.vendor.bsdp.boot_image.name_len",
8938                     FT_UINT8, BASE_DEC, NULL, 0x0,
8939                     NULL, HFILL }},
8940
8941                 { &hf_dhcp_option43_bsdp_boot_image_name,
8942                   { "Boot Image Name", "dhcp.option.vendor.bsdp.boot_image.name",
8943                     FT_STRING, BASE_NONE, NULL, 0x0,
8944                     NULL, HFILL }},
8945
8946                 { &hf_dhcp_option43_bsdp_netboot_firmware,
8947                   { "NetBoot 1.0 Firmware", "dhcp.option.vendor.bsdp.netboot_firmware",
8948                     FT_NONE, BASE_NONE, NULL, 0x0,
8949                     NULL, HFILL }},
8950
8951                 { &hf_dhcp_option43_bsdp_attributes_filter_list,
8952                   { "Boot Image Attributes Filter List", "dhcp.option.vendor.bsdp.attributes_filter_list",
8953                     FT_BYTES, BASE_NONE, NULL, 0x0,
8954                     NULL, HFILL }},
8955
8956                 { &hf_dhcp_option43_bsdp_boot_image_attribute,
8957                   { "Boot Image Attribute", "dhcp.option.vendor.bsdp.boot_image.attribute",
8958                     FT_UINT16, BASE_HEX, NULL, 0x0,
8959                     NULL, HFILL }},
8960
8961                 { &hf_dhcp_option43_bsdp_boot_image_attribute_install,
8962                   { "Install", "dhcp.option.vendor.bsdp.boot_image.attribute.install",
8963                     FT_UINT16, BASE_HEX, VALS(o43_bsdp_boot_image_install_vals), 0x8000,
8964                     "Boot Image Attribute Install", HFILL }},
8965
8966                 { &hf_dhcp_option43_bsdp_boot_image_attribute_kind,
8967                   { "Kind", "dhcp.option.vendor.bsdp.boot_image.attribute.kind",
8968                     FT_UINT16, BASE_HEX, VALS(o43_bsdp_boot_image_kind_vals), 0x7f00,
8969                     "Boot Image Attribute Kind", HFILL }},
8970
8971                 { &hf_dhcp_option43_bsdp_boot_image_attribute_reserved,
8972                   { "Reserved", "dhcp.option.vendor.bsdp.boot_image.attribute.reserved",
8973                     FT_UINT16, BASE_HEX, NULL, 0x00ff,
8974                     "Boot Image Attribute Reserved", HFILL }},
8975
8976                 { &hf_dhcp_option43_bsdp_message_size,
8977                   { "Message Size", "dhcp.option.vendor.bsdp.message_size",
8978                     FT_UINT16, BASE_DEC, NULL, 0x0,
8979                     NULL, HFILL }},
8980
8981
8982                 { &hf_dhcp_option_netbios_over_tcpip_name_server,
8983                   { "NetBIOS over TCP/IP Name Server", "dhcp.option.netbios_over_tcpip_name_server",
8984                     FT_IPv4, BASE_NONE, NULL, 0x00,
8985                     "Option 44: NetBIOS over TCP/IP Name Server", HFILL }},
8986
8987                 { &hf_dhcp_option_netbios_over_tcpip_dd_name_server,
8988                   { "NetBIOS over TCP/IP Datagram Distribution Name Server", "dhcp.option.netbios_over_tcpip_dd_name_server",
8989                     FT_IPv4, BASE_NONE, NULL, 0x00,
8990                     "Option 45: NetBIOS over TCP/IP Datagram Distribution Name Server", HFILL }},
8991
8992                 { &hf_dhcp_option_netbios_over_tcpip_node_type,
8993                   { "NetBIOS over TCP/IP Node Type", "dhcp.option.netbios_over_tcpip_node_type",
8994                     FT_UINT8, BASE_DEC, VALS(dhcp_nbnt_vals), 0x0,
8995                     "Option 46: NetBIOS over TCP/IP Node Type", HFILL }},
8996
8997                 { &hf_dhcp_option_netbios_over_tcpip_scope,
8998                   { "NetBIOS over TCP/IP Scope", "dhcp.option.netbios_over_tcpip_scope",
8999                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9000                     "Option 47: NetBIOS over TCP/IP Scope", HFILL }},
9001
9002                 { &hf_dhcp_option_xwindows_system_font_server,
9003                   { "X Window System Font Server", "dhcp.option.xwindows_system_font_server",
9004                     FT_IPv4, BASE_NONE, NULL, 0x00,
9005                     "Option 48: X Window System Font Server", HFILL }},
9006
9007                 { &hf_dhcp_option_xwindows_system_display_manager,
9008                   { "X Window System Display Manager", "dhcp.option.xwindows_system_display_manager",
9009                     FT_IPv4, BASE_NONE, NULL, 0x00,
9010                     "Option 49: X Window System Display Manager", HFILL }},
9011
9012                 { &hf_dhcp_option_requested_ip_address,
9013                   { "Requested IP Address", "dhcp.option.requested_ip_address",
9014                     FT_IPv4, BASE_NONE, NULL, 0x00,
9015                     "Option 50: Requested IP Address", HFILL }},
9016
9017                 { &hf_dhcp_option_ip_address_lease_time,
9018                   { "IP Address Lease Time", "dhcp.option.ip_address_lease_time",
9019                     FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0,
9020                     "Option 51: IP Address Lease Time", HFILL }},
9021
9022                 { &hf_dhcp_option_option_overload,
9023                   { "Option Overload", "dhcp.option.option_overload",
9024                     FT_UINT8, BASE_DEC, VALS(opt_overload_vals), 0x0,
9025                     "Option 52: Option Overload", HFILL }},
9026
9027                 { &hf_dhcp_option_dhcp,
9028                   { "DHCP", "dhcp.option.dhcp",
9029                     FT_UINT8, BASE_DEC, VALS(opt53_text), 0x0,
9030                     "Option 53: DHCP option", HFILL }},
9031
9032                 { &hf_dhcp_option_dhcp_server_id,
9033                   { "DHCP Server Identifier", "dhcp.option.dhcp_server_id",
9034                     FT_IPv4, BASE_NONE, NULL, 0x00,
9035                     "Option 54: DHCP Server Identifier", HFILL }},
9036
9037                 { &hf_dhcp_option_parameter_request_list_item,
9038                   { "Parameter Request List Item", "dhcp.option.request_list_item",
9039                     FT_UINT8, BASE_DEC, NULL, 0x0,
9040                     "Option 55: Parameter Request List Item", HFILL }},
9041
9042                 { &hf_dhcp_option_message,
9043                   { "Message", "dhcp.option.message",
9044                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9045                     "Option 56: Option message", HFILL }},
9046
9047                 { &hf_dhcp_option_dhcp_max_message_size,
9048                   { "Maximum DHCP Message Size", "dhcp.option.dhcp_max_message_size",
9049                     FT_UINT16, BASE_DEC, NULL, 0x0,
9050                     "Option 57: Maximum DHCP Message Size", HFILL }},
9051
9052                 { &hf_dhcp_option_renewal_time_value,
9053                   { "Renewal Time Value", "dhcp.option.renewal_time_value",
9054                     FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0,
9055                     "Option 58: Renewal Time Value", HFILL }},
9056
9057                 { &hf_dhcp_option_rebinding_time_value,
9058                   { "Rebinding Time Value", "dhcp.option.rebinding_time_value",
9059                     FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0,
9060                     "Option 59: Rebinding Time Value", HFILL }},
9061
9062                 { &hf_dhcp_option_vendor_class_id,
9063                   { "Vendor class identifier", "dhcp.option.vendor_class_id",
9064                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9065                     "Option 60: Vendor class identifier", HFILL }},
9066
9067                 { &hf_dhcp_option_vendor_class_data,
9068                   { "vendor-class-data", "dhcp.option.vendor_class_data",
9069                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9070                     "Option 60: Vendor class data", HFILL }},
9071
9072                 { &hf_dhcp_option_novell_netware_ip_domain,
9073                   { "Novell/Netware IP domain", "dhcp.option.novell_netware_ip_domain",
9074                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9075                     "Option 62: Novell/Netware IP domain", HFILL }},
9076
9077                 { &hf_dhcp_option63_suboption,
9078                   { "Option 63 Suboption", "dhcp.option.novell_options.suboption",
9079                     FT_UINT8, BASE_DEC, VALS(option63_suboption_vals), 0x0,
9080                     "Option 63: Suboption", HFILL }},
9081
9082                 { &hf_dhcp_option63_value,
9083                   { "Value", "dhcp.option.novell_options.value",
9084                     FT_BYTES, BASE_NONE, NULL, 0x0,
9085                     "Option 63: Suboption value", HFILL }},
9086
9087                 { &hf_dhcp_option63_value_8,
9088                   { "Value", "dhcp.option.novell_options.value.uint",
9089                     FT_UINT8, BASE_DEC, NULL, 0x0,
9090                     "Option 63: Suboption 8-bit value", HFILL }},
9091
9092                 { &hf_dhcp_option63_value_ip_address,
9093                   { "Value", "dhcp.option.novell_options.value.address",
9094                     FT_IPv4, BASE_NONE, NULL, 0x00,
9095                     "Option 63: Suboption IP address", HFILL }},
9096
9097                 { &hf_dhcp_option63_value_boolean,
9098                   { "Value", "dhcp.option.novell_options.value.bool",
9099                     FT_BOOLEAN, BASE_NONE, NULL, 0x00,
9100                     "Option 63: Suboption Boolean value", HFILL }},
9101
9102                 { &hf_dhcp_option63_broadcast,
9103                   { "Broadcast for nearest Netware server", "dhcp.option.novell_options.broadcast",
9104                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x00,
9105                     "Option 63:5 Broadcast for nearest Netware server", HFILL }},
9106
9107                 { &hf_dhcp_option63_preferred_dss_server,
9108                   { "Preferred DSS server", "dhcp.option.novell_options.preferred_dss_server",
9109                     FT_IPv4, BASE_NONE, NULL, 0x00,
9110                     "Option 63:6 Preferred DSS server", HFILL }},
9111
9112                 { &hf_dhcp_option63_nearest_nwip_server,
9113                   { "Nearest NWIP server", "dhcp.option.novell_options.nearest_nwip_server",
9114                     FT_IPv4, BASE_NONE, NULL, 0x00,
9115                     "Option 63:7 Nearest NWIP server", HFILL }},
9116
9117                 { &hf_dhcp_option63_autoretries,
9118                   { "Autoretries", "dhcp.option.novell_options.autoretries",
9119                     FT_UINT8, BASE_DEC, NULL, 0x0,
9120                     "Option 63:8 Autoretries", HFILL }},
9121
9122                 { &hf_dhcp_option63_autoretry_delay,
9123                   { "Autoretry delay, sec",
9124                     "dhcp.option.novell_options.autoretry_delay", FT_UINT8, BASE_DEC, NULL,
9125                     0x0, "Option 63:9 Autoretry delay, sec", HFILL }},
9126
9127                 { &hf_dhcp_option63_support_netware_v1_1,
9128                   { "Broadcast for nearest Netware server", "dhcp.option.novell_options.support_netware_v1_1",
9129                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x00,
9130                     "Option 63:10 Broadcast for nearest Netware server", HFILL }},
9131
9132                 { &hf_dhcp_option63_primary_dss,
9133                   { "Primary DSS", "dhcp.option.novell_options.primary_dss",
9134                     FT_IPv4, BASE_NONE, NULL, 0x00,
9135                     "Option 63:11 Primary DSS", HFILL }},
9136
9137
9138                 { &hf_dhcp_option_nis_plus_domain,
9139                   { "Network Information Service+ Domain", "dhcp.option.nis_plus_domain",
9140                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9141                     "Option 64: Network Information Service+ Domain", HFILL }},
9142
9143                 { &hf_dhcp_option_nis_plus_server,
9144                   { "Network Information Service+ Server", "dhcp.option.nis_plus_server",
9145                     FT_IPv4, BASE_NONE, NULL, 0x00,
9146                     "Option 65: Network Information Service+ Server", HFILL }},
9147
9148                 { &hf_dhcp_option_tftp_server_name,
9149                   { "TFTP Server Name", "dhcp.option.tftp_server_name",
9150                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9151                     "Option 66: TFTP Server Name", HFILL }},
9152
9153                 { &hf_dhcp_option_bootfile_name,
9154                   { "Bootfile name", "dhcp.option.bootfile_name",
9155                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9156                     "Option 67: Bootfile name", HFILL }},
9157
9158                 { &hf_dhcp_option_mobile_ip_home_agent,
9159                   { "Mobile IP Home Agent", "dhcp.option.mobile_ip_home_agent",
9160                     FT_IPv4, BASE_NONE, NULL, 0x00,
9161                     "Option 68: Mobile IP Home Agent", HFILL }},
9162
9163                 { &hf_dhcp_option_smtp_server,
9164                   { "SMTP Server", "dhcp.option.smtp_server",
9165                     FT_IPv4, BASE_NONE, NULL, 0x00,
9166                     "Option 69: SMTP Server", HFILL }},
9167
9168                 { &hf_dhcp_option_pop3_server,
9169                   { "POP3 Server", "dhcp.option.pop3_server",
9170                     FT_IPv4, BASE_NONE, NULL, 0x00,
9171                     "Option 70: POP3 Server", HFILL }},
9172
9173                 { &hf_dhcp_option_nntp_server,
9174                   { "NNTP Server", "dhcp.option.nntp_server",
9175                     FT_IPv4, BASE_NONE, NULL, 0x00,
9176                     "Option 71: NNTP Server", HFILL }},
9177
9178                 { &hf_dhcp_option_default_www_server,
9179                   { "Default WWW Server", "dhcp.option.default_www_server",
9180                     FT_IPv4, BASE_NONE, NULL, 0x00,
9181                     "Option 72: Default WWW Server", HFILL }},
9182
9183                 { &hf_dhcp_option_default_finger_server,
9184                   { "Default Finger Server", "dhcp.option.default_finger_server",
9185                     FT_IPv4, BASE_NONE, NULL, 0x00,
9186                     "Option 73: Default Finger Server", HFILL }},
9187
9188                 { &hf_dhcp_option_default_irc_server,
9189                   { "Default IRC Server", "dhcp.option.default_irc_server",
9190                     FT_IPv4, BASE_NONE, NULL, 0x00,
9191                     "Option 74: Default IRC Server", HFILL }},
9192
9193                 { &hf_dhcp_option_streettalk_server,
9194                   { "StreetTalk Server", "dhcp.option.streettalk_server",
9195                     FT_IPv4, BASE_NONE, NULL, 0x00,
9196                     "Option 75: StreetTalk Server", HFILL }},
9197
9198                 { &hf_dhcp_option_streettalk_da_server,
9199                   { "StreetTalk Directory Assistance Server", "dhcp.option.streettalk_da_server",
9200                     FT_IPv4, BASE_NONE, NULL, 0x00,
9201                     "Option 76: StreetTalk Directory Assistance Server", HFILL }},
9202
9203                 { &hf_dhcp_option77_user_class,
9204                   { "Instance of User Class", "dhcp.option.user_class",
9205                     FT_UINT8, BASE_DEC, NULL, 0x0,
9206                     NULL, HFILL }},
9207
9208                 { &hf_dhcp_option77_user_class_length,
9209                   { "User Class Length", "dhcp.option.user_class.length",
9210                     FT_UINT8, BASE_DEC, NULL, 0x0,
9211                     "Length of User Class Instance", HFILL }},
9212
9213                 { &hf_dhcp_option77_user_class_data,
9214                   { "User Class Data", "dhcp.option.user_class.data",
9215                     FT_BYTES, BASE_NONE, NULL, 0x0,
9216                     "Data of User Class Instance", HFILL }},
9217
9218                 { &hf_dhcp_option77_user_class_text,
9219                   { "User Class Data (Text)", "dhcp.option.user_class.text",
9220                     FT_STRING, BASE_NONE, NULL, 0x0,
9221                     "Text of User Class Instance", HFILL }},
9222
9223                 { &hf_dhcp_option77_user_class_binary_data_length,
9224                   { "User Class Binary Data Length", "dhcp.option.user_class_binary_data_length",
9225                     FT_UINT16, BASE_DEC, NULL, 0x0,
9226                     "Length of User Class Binary Data (Microsoft)", HFILL }},
9227
9228                 { &hf_dhcp_option77_user_class_binary_data,
9229                   { "User Class Binary Data", "dhcp.option.user_class_binary_data",
9230                     FT_STRING, BASE_NONE, NULL, 0x0,
9231                     "User Class Binary Data (Microsoft)", HFILL }},
9232
9233                 { &hf_dhcp_option77_user_class_padding,
9234                   { "User Class padding", "dhcp.option.user_class_padding",
9235                     FT_BYTES, BASE_NONE, NULL, 0x0,
9236                     "User Class padding (Microsoft)", HFILL }},
9237
9238                 { &hf_dhcp_option77_user_class_name_length,
9239                   { "User Class Name Length", "dhcp.option.user_class_name_length",
9240                     FT_UINT16, BASE_DEC, NULL, 0x0,
9241                     "Length of User Class Name (Microsoft)", HFILL }},
9242
9243                 { &hf_dhcp_option77_user_class_name,
9244                   { "User Class Name", "dhcp.option.user_class_name",
9245                     FT_STRINGZPAD, BASE_NONE, NULL, 0x0,
9246                     "User Class Name (Microsoft)", HFILL }},
9247
9248                 { &hf_dhcp_option77_user_class_description_length,
9249                   { "User Class Description Length", "dhcp.option.user_class_description_length",
9250                     FT_UINT16, BASE_DEC, NULL, 0x0,
9251                     "Length of User Class Description (Microsoft)", HFILL }},
9252
9253                 { &hf_dhcp_option77_user_class_description,
9254                   { "User Class Description", "dhcp.option.user_class_description",
9255                     FT_STRINGZPAD, BASE_NONE, NULL, 0x0,
9256                     "User Class Description (Microsoft)", HFILL }},
9257
9258                 { &hf_dhcp_option_slp_directory_agent_value,
9259                   { "Value", "dhcp.option.slp_directory_agent.value",
9260                     FT_UINT8, BASE_DEC, VALS(slpda_vals), 0x0,
9261                     "Option 78: SLPDA Value", HFILL }},
9262
9263                 { &hf_dhcp_option_slp_directory_agent_slpda_address,
9264                   { "IP Address", "dhcp.option.slp_directory_agent.slpda_address",
9265                     FT_IPv4, BASE_NONE, NULL, 0x00,
9266                     "Option 78: SLPDA Address", HFILL }},
9267
9268                 { &hf_dhcp_option_slp_service_scope_value,
9269                   { "Value", "dhcp.option.slp_service_scope.value",
9270                     FT_UINT8, BASE_DEC, VALS(slp_scope_vals), 0x0,
9271                     "Option 79: SLP Service Scope Value", HFILL }},
9272
9273                 { &hf_dhcp_option_slp_service_scope_string,
9274                   { "SLP Service Scope", "dhcp.option.slp_service_scope.string",
9275                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9276                     "Option 79: SLP Service Scope", HFILL }},
9277
9278
9279                 { &hf_dhcp_option82_suboption,
9280                   { "Option 82 Suboption", "dhcp.option.agent_information_option.suboption",
9281                     FT_UINT8, BASE_DEC, VALS(option82_suboption_vals), 0x0,
9282                     "Option 82: Suboption", HFILL }},
9283
9284                 { &hf_dhcp_option82_value,
9285                   { "Value", "dhcp.option.agent_information_option.value",
9286                     FT_BYTES, BASE_NONE, NULL, 0x0,
9287                     "Option 82: Suboption value", HFILL }},
9288
9289                 { &hf_dhcp_option82_value_8,
9290                   { "Value", "dhcp.option.agent_information_option.value.uint",
9291                     FT_UINT8, BASE_DEC, NULL, 0x0,
9292                     "Option 82: Suboption 8-bit value", HFILL }},
9293
9294                 { &hf_dhcp_option82_value_16,
9295                   { "Value", "dhcp.option.agent_information_option.value.uint",
9296                     FT_UINT16, BASE_DEC, NULL, 0x0,
9297                     "Option 162: Suboption 16-bit value", HFILL }},
9298
9299                 { &hf_dhcp_option82_value_32,
9300                   { "Value", "dhcp.option.agent_information_option.value.uint",
9301                     FT_UINT32, BASE_DEC, NULL, 0x0,
9302                     "Option 82: Suboption 32-bit value", HFILL }},
9303
9304                 { &hf_dhcp_option82_value_ip_address,
9305                   { "Value", "dhcp.option.agent_information_option.value.address",
9306                     FT_IPv4, BASE_NONE, NULL, 0x00,
9307                     "Option 82: Suboption IP address", HFILL }},
9308
9309                 { &hf_dhcp_option82_value_stringz,
9310                   { "Value", "dhcp.option.agent_information_option.value.string",
9311                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9312                     "Option 82: Suboption Z-String value", HFILL }},
9313
9314                 { &hf_dhcp_option82_padding,
9315                   { "Padding", "dhcp.option.agent_information_option.padding",
9316                     FT_UINT8, BASE_DEC, NULL, 0x0,
9317                     "Option 82:0 Padding", HFILL }},
9318
9319                 { &hf_dhcp_option82_agent_circuit_id,
9320                   { "Agent Circuit ID", "dhcp.option.agent_information_option.agent_circuit_id",
9321                     FT_BYTES, BASE_NONE, NULL, 0x0,
9322                     "Option 82:1 Agent Circuit ID", HFILL }},
9323
9324                 { &hf_dhcp_option82_agent_remote_id,
9325                   { "Agent Remote ID", "dhcp.option.agent_information_option.agent_remote_id",
9326                     FT_BYTES, BASE_NONE, NULL, 0x0,
9327                     "Option 82:2 Agent Remote ID", HFILL }},
9328
9329                 { &hf_dhcp_option82_reserved,
9330                   { "Reserved", "dhcp.option.agent_information_option.reserved",
9331                     FT_BYTES, BASE_NONE, NULL, 0x0,
9332                     "Option 82:3 Reserved", HFILL }},
9333
9334                 { &hf_dhcp_option82_docsis_device_class,
9335                   { "DOCSIS Device Class", "dhcp.option.agent_information_option.docsis_device_class",
9336                     FT_UINT32, BASE_HEX, NULL, 0x0,
9337                     "Option 82:4 DOCSIS Device Class", HFILL }},
9338
9339                 { &hf_dhcp_option82_link_selection,
9340                   { "Link selection", "dhcp.option.agent_information_option.link_selection",
9341                     FT_IPv4, BASE_NONE, NULL, 0x00,
9342                     "Option 82:5 Link selection", HFILL }},
9343
9344                 { &hf_dhcp_option82_subscriber_id,
9345                   { "Subscriber ID", "dhcp.option.agent_information_option.subscriber_id",
9346                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9347                     "Option 82:6 Subscriber ID", HFILL }},
9348
9349                 { &hf_dhcp_option82_radius_attributes,
9350                   { "RADIUS Attributes", "dhcp.option.agent_information_option.radius_attributes",
9351                     FT_BYTES, BASE_NONE, NULL, 0x0,
9352                     "Option 82:7 RADIUS Attributes", HFILL }},
9353
9354                 { &hf_dhcp_option82_authentication,
9355                   { "Authentication", "dhcp.option.agent_information_option.authentication",
9356                     FT_BYTES, BASE_NONE, NULL, 0x0,
9357                     "Option 82:8 Authentication", HFILL }},
9358
9359                 { &hf_dhcp_option82_vi,
9360                   { "Vendor-Specific Information", "dhcp.option.agent_information_option.vi",
9361                     FT_BYTES, BASE_NONE, NULL, 0x0,
9362                     "Option 82:9 Vendor-Specific Information", HFILL }},
9363
9364                 { &hf_dhcp_option82_vi_enterprise,
9365                   { "Enterprise", "dhcp.option.agent_information_option.vi.enterprise",
9366                     FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x0,
9367                     "Option 82:9 VI Enterprise", HFILL }},
9368
9369                 { &hf_dhcp_option82_vi_data_length,
9370                   { "Data Length", "dhcp.option.agent_information_option.vi.data_length",
9371                     FT_UINT8, BASE_DEC, NULL, 0x0,
9372                     "Option 82:9 VI Data Length", HFILL }},
9373
9374                 { &hf_dhcp_option82_vi_cl_option,
9375                   { "Option", "dhcp.option.agent_information_option.vi.cl.option",
9376                     FT_UINT8, BASE_DEC, NULL, 0x0,
9377                     "Option 82:9 VI CL Option", HFILL }},
9378
9379                 { &hf_dhcp_option82_vi_cl_option_length,
9380                   { "Option Length", "dhcp.option.agent_information_option.vi.cl.option_length",
9381                     FT_UINT8, BASE_DEC, NULL, 0x0,
9382                     "Option 82:9 VI CL Option Length", HFILL }},
9383
9384                 { &hf_dhcp_option82_vi_cl_tag,
9385                   { "Tag", "dhcp.option.agent_information_option.vi.cl.tag",
9386                     FT_UINT8, BASE_DEC, VALS(option82_cl_tag_vals), 0x0,
9387                     "Option 82:9 VI CL Tag", HFILL }},
9388
9389                 { &hf_dhcp_option82_vi_cl_tag_length,
9390                   { "Tag Length", "dhcp.option.agent_information_option.vi.cl.tag_length",
9391                     FT_UINT8, BASE_DEC, NULL, 0x0,
9392                     "Option 82:9 VI CL Tag Length", HFILL }},
9393
9394                 { &hf_dhcp_option82_vi_cl_docsis_version,
9395                   { "DOCSIS Version Number", "dhcp.option.agent_information_option.vi.cl.docsis_version",
9396                     FT_UINT16, BASE_HEX, NULL, 0x0,
9397                     "Option 82:9 VI CL DOCSIS Version Number", HFILL }},
9398
9399                 { &hf_dhcp_option82_vi_cl_dpoe_system_version,
9400                   { "DPoE System Version Number", "dhcp.option.agent_information_option.vi.cl.dpoe_system_version",
9401                     FT_UINT16, BASE_HEX, NULL, 0x0,
9402                     "Option 82:9 VI CL DPoE System Version Number", HFILL }},
9403
9404                 { &hf_dhcp_option82_vi_cl_dpoe_system_pbb_service,
9405                   { "DPoE System PBB Service", "dhcp.option.agent_information_option.vi.cl.dpoe_system_pbb_service",
9406                     FT_BYTES, BASE_NONE, NULL, 0x0,
9407                     "Option 82:9 VI CL DPoE System PBB Service", HFILL }},
9408
9409                 { &hf_dhcp_option82_vi_cl_service_class_name,
9410                   { "Service Class Name", "dhcp.option.agent_information_option.vi.cl.service_class_name",
9411                     FT_STRING, BASE_NONE, NULL, 0x0,
9412                     "Option 82:9 VI CL Service Class Name", HFILL }},
9413
9414                 { &hf_dhcp_option82_vi_cl_mso_defined_text,
9415                   { "MSO Defined Text", "dhcp.option.agent_information_option.vi.cl.mso_defined_text",
9416                     FT_STRING, BASE_NONE, NULL, 0x0,
9417                     "Option 82:9 VI CL MSO Defined Text", HFILL }},
9418
9419                 { &hf_dhcp_option82_vi_cl_secure_file_transfer_uri,
9420                   { "Secure File Transfer URI", "dhcp.option.agent_information_option.vi.cl.secure_file_transfer_uri",
9421                     FT_STRING, BASE_NONE, NULL, 0x0,
9422                     "Option 82:9 VI CL Secure File Transfer URI", HFILL }},
9423
9424                 { &hf_dhcp_option82_flags,
9425                   { "Flags", "dhcp.option.agent_information_option.flags",
9426                     FT_UINT8, BASE_HEX, NULL, 0x0,
9427                     "Option 82:10 Flags", HFILL }},
9428
9429                 { &hf_dhcp_option82_server_id_override,
9430                   { "Server ID Override", "dhcp.option.agent_information_option.server_id_override",
9431                     FT_IPv4, BASE_NONE, NULL, 0x00,
9432                     "Option 82:11 Server ID Override", HFILL }},
9433
9434                 { &hf_dhcp_option82_relay_agent_id,
9435                   { "Relay Agent Identifier", "dhcp.option.agent_information_option.relay_agent_id",
9436                     FT_BYTES, BASE_NONE, NULL, 0x00,
9437                     "Option 82:12 Relay Agent Identifier", HFILL }},
9438
9439                 { &hf_dhcp_option82_option_ani_att,
9440                   { "Access Technology Type", "dhcp.option.agent_information_option.ani_att",
9441                     FT_UINT8, BASE_DEC, NULL, 0x00,
9442                     "Option 82:13 Access Technology Type", HFILL }},
9443
9444                 { &hf_dhcp_option82_option_ani_att_res,
9445                   { "Access Technology Type", "dhcp.option.agent_information_option.ani_att.res",
9446                     FT_UINT8, BASE_DEC, NULL, 0x00,
9447                     "Option 82:13 Access Technology Type Reserved", HFILL }},
9448
9449                 { &hf_dhcp_option82_option_ani_att_att,
9450                   { "Access Technology Type", "dhcp.option.agent_information_option.ani_att.att",
9451                     FT_UINT8, BASE_DEC, NULL, 0x00,
9452                     "Option 82:13 Access Technology Type Value", HFILL }},
9453
9454                 { &hf_dhcp_option82_option_ani_network_name,
9455                   { "Access Network Name", "dhcp.option.agent_information_option.ani_network_name",
9456                     FT_STRING, BASE_NONE, NULL, 0x00,
9457                     "Option 82:14 Access Network Name", HFILL }},
9458
9459                 { &hf_dhcp_option82_option_ani_ap_name,
9460                   { "Access Point Name", "dhcp.option.agent_information_option.ani_ap_name",
9461                     FT_STRING, BASE_NONE, NULL, 0x00,
9462                     "Option 82:15 Access Point Name", HFILL }},
9463
9464                 { &hf_dhcp_option82_option_ani_ap_bssid,
9465                   { "Access Point BSSID", "dhcp.option.agent_information_option.ani_ap_bssid",
9466                     FT_ETHER, BASE_NONE, NULL, 0x0,
9467                     "Option 82:16 Access Point BSSID", HFILL }},
9468
9469                 { &hf_dhcp_option82_option_ani_operator_id,
9470                   { "Access Network Operator ID", "dhcp.option.agent_information_option.ani_operator_id",
9471                     FT_BYTES, BASE_NONE, NULL, 0x00,
9472                     "Option 82:17 Access Network Operator ID", HFILL }},
9473
9474                 { &hf_dhcp_option82_option_ani_operator_realm,
9475                   { "Access Network Operator Realm", "dhcp.option.agent_information_option.ani_operator_realm",
9476                     FT_STRING, BASE_NONE, NULL, 0x00,
9477                     "Option 82:18 Access Network Operator Realm", HFILL }},
9478
9479                 { &hf_dhcp_option82_option_source_port,
9480                   { "Source Port", "dhcp.option.agent_information_option.source_port",
9481                     FT_NONE, BASE_NONE, NULL, 0x00,
9482                     "Option 82:19 Source Port", HFILL }},
9483
9484                 { &hf_dhcp_option82_link_selection_cisco,
9485                   { "Link selection (Cisco proprietary)", "dhcp.option.agent_information_option.link_selection_cisco",
9486                     FT_IPv4, BASE_NONE, NULL, 0x00,
9487                     "Option 82:150 Link selection (Cisco proprietary)", HFILL }},
9488
9489                 { &hf_dhcp_option82_vrf_name_vpn_id,
9490                   { "VRF name/VPN ID", "dhcp.option.agent_information_option.vrf_name.vpn_id",
9491                     FT_BYTES, BASE_NONE, NULL, 0x00,
9492                     "Option 82:151 VRF name/VPN ID", HFILL }},
9493
9494                 { &hf_dhcp_option82_vrf_name_global,
9495                   { "Global, default VPN", "dhcp.option.agent_information_option.vrf_name.global",
9496                     FT_UINT8, BASE_DEC, NULL, 0x00,
9497                     "Option 82:151 Global, default VPN", HFILL }},
9498
9499                 { &hf_dhcp_option82_vrf_name,
9500                   { "VRF name", "dhcp.option.agent_information_option.vrf_name",
9501                     FT_STRING, BASE_NONE, NULL, 0x00,
9502                     "Option 82:151 VRF name", HFILL }},
9503
9504                 { &hf_dhcp_option82_vrf_name_vpn_id_oui,
9505                   { "VRF name/VPN ID OUI", "dhcp.option.agent_information_option.vrf_name.vpn_id.oui",
9506                     FT_UINT24, BASE_HEX, NULL, 0x00,
9507                     "Option 82:151 VRF name/VPN ID OUI", HFILL }},
9508
9509                 { &hf_dhcp_option82_vrf_name_vpn_id_index,
9510                   { "VRF name/VPN ID Index", "dhcp.option.agent_information_option.vrf_name.vpn_id.index",
9511                     FT_UINT32, BASE_HEX, NULL, 0x00,
9512                     "Option 82:151 VRF name/VPN ID Index", HFILL }},
9513
9514                 { &hf_dhcp_option82_server_id_override_cisco,
9515                   { "Server ID Override (Cisco proprietary)", "dhcp.option.agent_information_option.server_id_override_cisco",
9516                     FT_IPv4, BASE_NONE, NULL, 0x00,
9517                     "Option 82:152 Server ID Override (Cisco proprietary)", HFILL }},
9518
9519
9520                 { &hf_dhcp_option_isns_functions,
9521                   { "iSNS Functions", "dhcp.option.isns.functions",
9522                     FT_UINT16, BASE_HEX, NULL, 0x00,
9523                     "iSNS: the functions supported by the iSNS servers", HFILL }},
9524
9525                 { &hf_dhcp_option_isns_functions_enabled,
9526                   { "Function Fields Enabled", "dhcp.option.isns.functions.enabled",
9527                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_FUNCTIONS_ENABLED,
9528                     "If set to zero, then the contents of all other iSNS Function fields MUST be ignored", HFILL }},
9529
9530                 { &hf_dhcp_option_isns_functions_dd_authorization,
9531                   { "Discovery Domain based Authorization", "dhcp.option.isns.functions.dd_base_authorization",
9532                     FT_BOOLEAN, 16, TFS(&tfs_isns_function_dd_based_auth), F_ISNS_FUNCTIONS_DD_AUTH,
9533                     "If set to zero, then access authorization must be explicitly performed by each device", HFILL }},
9534
9535                 { &hf_dhcp_option_isns_functions_sec_policy_distibution,
9536                   { "Security Policy Distribution", "dhcp.option.isns.functions.sec_policy_distribution",
9537                     FT_BOOLEAN, 16, TFS(&tfs_isns_functions_sec_distrib), F_ISNS_FUNCTIONS_SEC_POLICY,
9538                     NULL, HFILL }},
9539
9540                 { &hf_dhcp_option_isns_functions_reserved,
9541                   { "Reserved flags", "dhcp.option.isns.functions.reserved",
9542                     FT_UINT16, BASE_HEX, NULL, F_ISNS_FUNCTIONS_RESERVED,
9543                     NULL, HFILL }},
9544
9545                 { &hf_dhcp_option_isns_discovery_domain_access,
9546                   { "Discovery Domain Access flags", "dhcp.option.isns.discovery_domain_access",
9547                     FT_UINT16, BASE_HEX, NULL, 0x00,
9548                     "iSNS: the types of iSNS clients that are allowed to modify Discovery Domains", HFILL }},
9549
9550                 { &hf_dhcp_option_isns_discovery_domain_access_enabled,
9551                   { "Discovery Domain Enabled", "dhcp.option.isns.discovery_domain_access.enabled",
9552                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_ENABLED,
9553                     "If set to zero, then the contents of the remainder of this field MUST be ignored", HFILL }},
9554
9555                 { &hf_dhcp_option_isns_discovery_domain_access_control_node,
9556                   { "Control Node", "dhcp.option.isns.discovery_domain_access_control.node",
9557                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_CTRL_NODE,
9558                     NULL, HFILL }},
9559
9560                 { &hf_dhcp_option_isns_discovery_domain_access_iscsi_target,
9561                   { "iSCSI Target", "dhcp.option.isns.discovery_domain_access.iscsi_target",
9562                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_ISCSI_TARGET,
9563                     NULL, HFILL }},
9564
9565                 { &hf_dhcp_option_isns_discovery_domain_access_iscsi_inititator,
9566                   { "iSCSI Initiator", "dhcp.option.isns.discovery_domain_access.iscsi_initiator",
9567                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_ISCSI_INITIATOR,
9568                     NULL, HFILL }},
9569
9570                 { &hf_dhcp_option_isns_discovery_domain_access_ifcp_target_port,
9571                   { "iFCP Target Port", "dhcp.option.isns.discovery_domain_access.ifcp_target_port",
9572                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_IFCP_TARGET_PORT,
9573                     NULL, HFILL }},
9574
9575                 { &hf_dhcp_option_isns_discovery_domain_access_ifcp_initiator_port,
9576                   { "iFCP Initiator Port", "dhcp.option.isns.discovery_domain_access.initiator_target_port",
9577                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_IFCP_INITIATOR_PORT,
9578                     NULL, HFILL }},
9579
9580                 { &hf_dhcp_option_isns_discovery_domain_access_reserved,
9581                   { "Reserved Flags", "dhcp.option.isns.discovery_domain_access.reserved",
9582                     FT_UINT16, BASE_HEX, NULL, F_ISNS_DD_ACCESS_RESERVED,
9583                     NULL, HFILL }},
9584
9585                 { &hf_dhcp_option_isns_administrative_flags,
9586                   { "Administrative Flags", "dhcp.option.isns.administrative_flags",
9587                     FT_UINT16, BASE_HEX, NULL, 0x00,
9588                     "iSNS: administrative settings for the iSNS servers discovered through the DHCP query", HFILL }},
9589
9590                 { &hf_dhcp_option_isns_administrative_flags_enabled,
9591                   { "Administrative Flags Enabled", "dhcp.option.isns.administrative_flags.enabled",
9592                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_ADMIN_FLAGS_ENABLED,
9593                     NULL, HFILL }},
9594
9595                 { &hf_dhcp_option_isns_administrative_flags_heartbeat,
9596                   { "Heartbeat", "dhcp.option.isns.administrative_flags.heartbeat",
9597                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_ADMIN_FLAGS_HEARTBEAT,
9598                     NULL, HFILL }},
9599
9600                 { &hf_dhcp_option_isns_administrative_flags_management_scns,
9601                   { "Management SCNs", "dhcp.option.isns.administrative_flags.management_scns",
9602                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_ADMIN_FLAGS_MANAGEMENT_SCNS,
9603                     NULL, HFILL }},
9604
9605                 { &hf_dhcp_option_isns_administrative_flags_default_dd,
9606                   { "Default Discovery Domain", "dhcp.option.isns.administrative_flags.default_discovery_domain",
9607                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_ADMIN_FLAGS_DEFAULT_DD,
9608                     NULL, HFILL }},
9609
9610                 { &hf_dhcp_option_isns_administrative_flags_reserved,
9611                   { "Reserved Flags", "dhcp.option.isns.administrative_flags.reserved",
9612                     FT_UINT16, BASE_HEX, NULL, F_ISNS_ADMIN_FLAGS_RESERVED,
9613                     NULL, HFILL }},
9614
9615                 { &hf_dhcp_option_isns_server_security_bitmap,
9616                   { "iSNS Server Security Bitmap", "dhcp.option.isns.server_security_bitmap",
9617                     FT_UINT32, BASE_HEX, NULL, 0x00,
9618                     "iSNS: server security settings", HFILL }},
9619
9620                 { &hf_dhcp_option_isns_server_security_bitmap_enabled,
9621                   { "Server Security Bitmap Enabled", "dhcp.option.isns.server_security_bitmap.enabled",
9622                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_SRV_SEC_BITMAP_ENABLED,
9623                     NULL, HFILL }},
9624
9625                 { &hf_dhcp_option_isns_server_security_bitmap_ike_ipsec_enabled,
9626                   { "IKE/IPSec", "dhcp.option.isns.server_security_bitmap.ike_ipsec_enabled",
9627                     FT_BOOLEAN, 16, TFS(&tfs_enabled_disabled), F_ISNS_SRV_SEC_BITMAP_IKE_IPSEC,
9628                     NULL, HFILL }},
9629
9630                 { &hf_dhcp_option_isns_server_security_bitmap_main_mode,
9631                   { "Main Mode", "dhcp.option.isns.server_security_bitmap.main_mode",
9632                     FT_BOOLEAN, 16, TFS(&tfs_enabled_disabled), F_ISNS_SRV_SEC_BITMAP_MAIN_MODE,
9633                     NULL, HFILL }},
9634
9635                 { &hf_dhcp_option_isns_server_security_bitmap_aggressive_mode,
9636                   { "Aggressive Mode", "dhcp.option.isns.server_security_bitmap.aggressive_mode",
9637                     FT_BOOLEAN, 16, TFS(&tfs_enabled_disabled), F_ISNS_SRV_SEC_BITMAP_AGGRESSIVE,
9638                     NULL, HFILL }},
9639
9640                 { &hf_dhcp_option_isns_server_security_bitmap_pfs,
9641                   { "PFS", "dhcp.option.isns.server_security_bitmap.pfs",
9642                     FT_BOOLEAN, 16, TFS(&tfs_enabled_disabled), F_ISNS_SRV_SEC_BITMAP_PFS,
9643                     NULL, HFILL }},
9644
9645                 { &hf_dhcp_option_isns_server_security_bitmap_transport_mode,
9646                   { "Transport Mode", "dhcp.option.isns.server_security_bitmap.transport_mode",
9647                     FT_BOOLEAN, 16, TFS(&tfs_preferred_no_preference), F_ISNS_SRV_SEC_BITMAP_TRASPORT_MODE,
9648                     NULL, HFILL }},
9649
9650                 { &hf_dhcp_option_isns_server_security_bitmap_tunnel_mode,
9651                   { "Tunnel Mode", "dhcp.option.isns.server_security_bitmap.tunnel_mode",
9652                     FT_BOOLEAN, 16, TFS(&tfs_preferred_no_preference), F_ISNS_SRV_SEC_BITMAP_TUNNEL_MODE,
9653                     NULL, HFILL }},
9654
9655                 { &hf_dhcp_option_isns_server_security_bitmap_reserved,
9656                   { "Reserved Flags", "dhcp.option.isns.server_security_bitmap.reserved",
9657                     FT_UINT16, BASE_HEX, NULL, F_ISNS_SRV_SEC_BITMAP_RESERVED,
9658                     NULL, HFILL }},
9659
9660                 { &hf_dhcp_option_isns_primary_server_addr,
9661                   { "Primary Server Address", "dhcp.option.isns.primary_server_addr",
9662                     FT_IPv4, BASE_NONE, NULL, 0x00,
9663                     "iSNS: IP address of the primary server", HFILL }},
9664
9665                 { &hf_dhcp_option_isns_heartbeat_originator_addr,
9666                   { "Heartbeat Originator Address", "dhcp.option.isns.heartbeat_originator_addr",
9667                     FT_IPv4, BASE_NONE, NULL, 0x00,
9668                     "iSNS: IP address from which the iSNS heartbeat originates", HFILL }},
9669
9670                 { &hf_dhcp_option_isns_secondary_server_addr_list,
9671                   { "Secondary Server Address", "dhcp.option.isns.secondary_server_addr",
9672                     FT_IPv4, BASE_NONE, NULL, 0x00,
9673                     "iSNS: a list of IP addresses of the secondary iSNS servers", HFILL }},
9674
9675
9676                 { &hf_dhcp_option_novell_dss_string,
9677                   { "Novell Directory Services Servers String", "dhcp.option.novell_dss.string",
9678                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9679                     "Option 85: Novell Directory Services Servers String", HFILL }},
9680
9681                 { &hf_dhcp_option_novell_dss_ip,
9682                   { "IP Address", "dhcp.option.novell_dss.ip",
9683                     FT_IPv4, BASE_NONE, NULL, 0x00,
9684                     "Option 85: Novell Directory Services Servers IP Address", HFILL }},
9685
9686                 { &hf_dhcp_option_novell_ds_tree_name,
9687                   { "Novell Directory Services Tree Name", "dhcp.option.novell_ds_tree_name",
9688                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9689                     "Option 86: Novell Directory Services Tree Name", HFILL }},
9690
9691                 { &hf_dhcp_option_novell_ds_context,
9692                   { "Novell Directory Services Context", "dhcp.option.novell_ds_context",
9693                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9694                     "Option 87: Novell Directory Services Context", HFILL }},
9695
9696                 { &hf_dhcp_option_dhcp_authentication_protocol,
9697                   { "Protocol", "dhcp.option.dhcp_authentication.protocol",
9698                     FT_UINT8, BASE_DEC, VALS(authen_protocol_vals), 0x0,
9699                     "Option 90: Authentication Protocol", HFILL }},
9700
9701                 { &hf_dhcp_option_dhcp_authentication_alg_delay,
9702                   { "Delay Algorithm", "dhcp.option.dhcp_authentication.alg_delay",
9703                     FT_UINT8, BASE_DEC, VALS(authen_da_algo_vals), 0x0,
9704                     "Option 90: Delayed Authentication Algorithm", HFILL }},
9705
9706                 { &hf_dhcp_option_dhcp_authentication_algorithm,
9707                   { "Algorithm", "dhcp.option.dhcp_authentication.algorithm",
9708                     FT_UINT8, BASE_DEC, NULL, 0x0,
9709                     "Option 90: Authentication Algorithm", HFILL }},
9710
9711                 { &hf_dhcp_option_dhcp_authentication_rdm,
9712                   { "Replay Detection Method", "dhcp.option.dhcp_authentication.rdm",
9713                     FT_UINT8, BASE_DEC, VALS(authen_rdm_vals), 0x0,
9714                     "Option 90: Replay Detection Method", HFILL }},
9715
9716                 { &hf_dhcp_option_dhcp_authentication_rdm_replay_detection,
9717                   { "RDM Replay Detection Value", "dhcp.option.dhcp_authentication.rdm_replay_detection",
9718                     FT_UINT64, BASE_HEX, NULL, 0x0,
9719                     "Option 90: RDM Replay Detection Value", HFILL }},
9720
9721                 { &hf_dhcp_option_dhcp_authentication_rdm_rdv,
9722                   { "Replay Detection Value", "dhcp.option.dhcp_authentication.rdm_rdv",
9723                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9724                     "Option 90: Replay Detection Value", HFILL }},
9725
9726                 { &hf_dhcp_option_dhcp_authentication_secret_id,
9727                   { "Secret ID", "dhcp.option.dhcp_authentication.secret_id",
9728                     FT_UINT32, BASE_HEX, NULL, 0x0,
9729                     "Option 90: Secret ID", HFILL }},
9730
9731                 { &hf_dhcp_option_dhcp_authentication_hmac_md5_hash,
9732                   { "HMAC MD5 Hash", "dhcp.option.dhcp_authentication.hmac_md5_hash",
9733                     FT_BYTES, BASE_NONE, NULL, 0x0,
9734                     "Option 90: HMAC MD5 Hash", HFILL }},
9735
9736                 { &hf_dhcp_option_dhcp_authentication_information,
9737                   { "Authentication Information", "dhcp.option.dhcp_authentication.information",
9738                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9739                     "Option 90: Authentication Information", HFILL }},
9740
9741                 { &hf_dhcp_option_client_last_transaction_time,
9742                   { "Client last transaction time", "dhcp.option.client_last_transaction_time",
9743                     FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0,
9744                     "Option 91: Client last transaction time", HFILL }},
9745
9746                 { &hf_dhcp_option_associated_ip_option,
9747                   { "Associated IP option", "dhcp.option.associated_ip_option",
9748                     FT_IPv4, BASE_NONE, NULL, 0x00,
9749                     "Option 92: Associated IP option", HFILL }},
9750
9751                 { &hf_dhcp_option_client_system_architecture,
9752                   { "Client System Architecture", "dhcp.option.client_system_architecture",
9753                     FT_UINT16, BASE_DEC, VALS(dhcp_client_arch), 0x0,
9754                     "Option 93: Client System Architecture", HFILL }},
9755
9756                 { &hf_dhcp_option_client_network_id_major_ver,
9757                   { "Major Version", "dhcp.client_network_id_major",
9758                     FT_UINT8, BASE_DEC, NULL, 0x0,
9759                     "Option 94: Major Version", HFILL }},
9760
9761                 { &hf_dhcp_option_client_network_id_minor_ver,
9762                   { "Minor Version", "dhcp.client_network_id_minor",
9763                     FT_UINT8, BASE_DEC, NULL, 0x0,
9764                     "Option 94: Minor Version", HFILL }},
9765
9766                 { &hf_dhcp_option_civic_location_what,
9767                   { "What", "dhcp.option.civic_location.what",
9768                     FT_UINT8, BASE_DEC, VALS(civic_address_what_values), 0x0,
9769                     "Option 99: What", HFILL }},
9770
9771                 { &hf_dhcp_option_civic_location_country,
9772                   { "Country", "dhcp.option.civic_location.country",
9773                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9774                     "Option 99: Country", HFILL }},
9775
9776                 { &hf_dhcp_option_civic_location_ca_type,
9777                   { "CA Type", "dhcp.option.civic_location.ca_type",
9778                     FT_UINT8, BASE_DEC, VALS(civic_address_type_values), 0x0,
9779                     "Option 99: CA Type", HFILL }},
9780
9781                 { &hf_dhcp_option_civic_location_ca_length,
9782                   { "CA Length", "dhcp.option.civic_location.ca_length",
9783                     FT_UINT8, BASE_DEC, NULL, 0x0,
9784                     "Option 99: CA Length", HFILL }},
9785
9786                 { &hf_dhcp_option_civic_location_ca_value,
9787                   { "CA Value", "dhcp.option.civic_location.ca_value",
9788                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9789                     "Option 99: CA Value", HFILL }},
9790
9791                 { &hf_dhcp_option_tz_pcode,
9792                   { "TZ PCode", "dhcp.option.tz_pcode",
9793                     FT_STRING, BASE_NONE, NULL, 0x0,
9794                     "Option 100: TZ PCode", HFILL  }},
9795
9796                 { &hf_dhcp_option_tz_tcode,
9797                   { "TZ TCode", "dhcp.option.tz_tcode",
9798                     FT_STRING, BASE_NONE, NULL, 0x0,
9799                     "Option 101: TZ TCode", HFILL  }},
9800
9801                 { &hf_dhcp_option_ipv6_only_preferred_wait_time,
9802                   { "IPv6-Only Preferred wait time", "dhcp.option.ipv6only_preferred_wait_time",
9803                     FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0,
9804                     "Option 108: IPv6-Only Preferred wait time", HFILL }},
9805
9806                 { &hf_dhcp_option_netinfo_parent_server_address,
9807                   { "NetInfo Parent Server Address", "dhcp.option.netinfo_parent_server_address",
9808                     FT_IPv4, BASE_NONE, NULL, 0x00,
9809                     "Option 112: NetInfo Parent Server Address", HFILL }},
9810
9811                 { &hf_dhcp_option_netinfo_parent_server_tag,
9812                   { "NetInfo Parent Server Tag", "dhcp.option.netinfo_parent_server_tag",
9813                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9814                     "Option 113: NetInfo Parent Server Tag", HFILL }},
9815
9816                 { &hf_dhcp_option_dhcp_auto_configuration,
9817                   { "DHCP Auto-Configuration", "dhcp.option.dhcp_auto_configuration",
9818                     FT_UINT8, BASE_DEC, VALS(dhcp_autoconfig), 0x0,
9819                     "Option 116: DHCP Auto-Configuration", HFILL }},
9820
9821                 { &hf_dhcp_option_dhcp_name_service_search_option,
9822                   { "Name Service", "dhcp.option.dhcp_name_service_search_option",
9823                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9824                     "Option 117: Name Service", HFILL }},
9825
9826                 { &hf_dhcp_option_dhcp_dns_domain_search_list_fqdn,
9827                   { "FQDN", "dhcp.option.dhcp_dns_domain_search_list_fqdn",
9828                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9829                     "Option 119: FQDN", HFILL }},
9830
9831                 { &hf_dhcp_option_sip_server_enc,
9832                   { "SIP Server Encoding", "dhcp.option.sip_server.encoding",
9833                     FT_UINT8, BASE_DEC, VALS(sip_server_enc_vals), 0x0,
9834                     "Option 120: SIP Server encoding", HFILL }},
9835
9836                 { &hf_dhcp_option_sip_server_name,
9837                   { "SIP Server Name", "dhcp.option.sip_server.name",
9838                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9839                     "Option 120: SIP Server Name", HFILL }},
9840
9841                 { &hf_dhcp_option_sip_server_address,
9842                   { "SIP Server Address", "dhcp.option.sip_server.address",
9843                     FT_IPv4, BASE_NONE, NULL, 0x0,
9844                     "Option 120: SIP Server Address", HFILL }},
9845
9846                 { &hf_dhcp_option_classless_static_route,
9847                   { "Subnet/MaskWidth-Router", "dhcp.option.classless_static_route",
9848                     FT_BYTES, BASE_NONE, NULL, 0x0,
9849                     "Option 121: Subnet/MaskWidth-Router", HFILL }},
9850
9851                 { &hf_dhcp_option_rfc3825_error,
9852                   { "Error", "dhcp.option.rfc3825.error",
9853                     FT_UINT8, BASE_DEC, VALS(rfc3825_error_types), 0x0,
9854                     "Option 123: Error", HFILL }},
9855
9856                 { &hf_dhcp_option_rfc3825_latitude,
9857                   { "Latitude", "dhcp.option.rfc3825.latitude",
9858                     FT_DOUBLE, BASE_NONE, NULL, 0x0,
9859                     "Option 123: Latitude", HFILL }},
9860
9861                 { &hf_dhcp_option_rfc3825_longitude,
9862                   { "Longitude", "dhcp.option.rfc3825.longitude",
9863                     FT_DOUBLE, BASE_NONE, NULL, 0x0,
9864                     "Option 123: Longitude", HFILL }},
9865
9866                 { &hf_dhcp_option_rfc3825_latitude_res,
9867                   { "Latitude resolution", "dhcp.option.rfc3825.latitude_res",
9868                     FT_DOUBLE, BASE_NONE, NULL, 0x0,
9869                     "Option 123: Latitude resolution", HFILL }},
9870
9871                 { &hf_dhcp_option_rfc3825_longitude_res,
9872                   { "Longitude resolution", "dhcp.option.rfc3825.longitude_res",
9873                     FT_DOUBLE, BASE_NONE, NULL, 0x0,
9874                     "Option 123: Longitude resolution", HFILL }},
9875
9876                 { &hf_dhcp_option_rfc3825_altitude,
9877                   { "Altitude", "dhcp.option.rfc3825.altitude",
9878                     FT_DOUBLE, BASE_NONE, NULL, 0x0,
9879                     "Option 123: Altitude", HFILL }},
9880
9881                 { &hf_dhcp_option_rfc3825_altitude_res,
9882                   { "Altitude resolution", "dhcp.option.rfc3825.altitude_res",
9883                     FT_DOUBLE, BASE_NONE, NULL, 0x0,
9884                     "Option 123: Altitude resolution", HFILL }},
9885
9886                 { &hf_dhcp_option_rfc3825_altitude_type,
9887                   { "Altitude type", "dhcp.option.rfc3825.altitude_type",
9888                     FT_UINT8, BASE_DEC, VALS(altitude_type_values), 0x0,
9889                     "Option 123: Altitude type", HFILL }},
9890
9891                 { &hf_dhcp_option_rfc3825_map_datum,
9892                   { "Map Datum", "dhcp.option.rfc3825.map_datum",
9893                     FT_UINT8, BASE_DEC, VALS(map_datum_type_values), 0x0,
9894                     "Option 123: Map Datum", HFILL }},
9895
9896                 { &hf_dhcp_option_cl_dss_id_option,
9897                   { "DSS_ID Type", "dhcp.option.cl_dss_id.option",
9898                     FT_UINT8, BASE_DEC, VALS(cl_dss_id_type_vals), 0x0,
9899                     "Option 123:CL DSS_ID Type", HFILL }},
9900
9901                 { &hf_dhcp_option_cl_dss_id_len,
9902                   { "DSS_ID Length", "dhcp.option.cl_dss_id.len",
9903                     FT_UINT8, BASE_DEC, NULL, 0x0,
9904                     "Option 123:CL DSS_ID Length", HFILL }},
9905
9906                 { &hf_dhcp_option_cl_dss_id,
9907                   { "Country", "dhcp.option.cl_dss_id",
9908                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9909                     "Option 123:CL DSS_ID", HFILL }},
9910
9911                 { &hf_dhcp_option_vi_class_cl_address_mode,
9912                   { "CableLab Address Mode", "dhcp.option.vi_class.cl_address_mode",
9913                     FT_UINT8, BASE_DEC, VALS(cablelab_ipaddr_mode_vals), 0x0,
9914                     "Option 124: CableLab Address Mode", HFILL }},
9915
9916                 { &hf_dhcp_option_vi_class_enterprise,
9917                   { "Enterprise", "dhcp.option.vi_class.enterprise",
9918                     FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x00,
9919                     "Option 124: Enterprise", HFILL }},
9920
9921                 { &hf_dhcp_option_vi_class_data_length,
9922                   { "Length", "dhcp.option.vi_class.length",
9923                     FT_UINT8, BASE_DEC, NULL, 0x0,
9924                     "Option 124: Length", HFILL }},
9925
9926                 { &hf_dhcp_option_vi_class_data_item_length,
9927                   { "Length", "dhcp.option.vi_class.vendor_class_data.item.length",
9928                     FT_UINT8, BASE_DEC, NULL, 0x0,
9929                     "Option 124: Length", HFILL }},
9930
9931                 { &hf_dhcp_option_vi_class_data_item_data,
9932                   { "Data", "dhcp.option.vi_class.vendor_class_data.item.data",
9933                     FT_BYTES, BASE_NONE, NULL, 0x0,
9934                     "Option 124: Data", HFILL }},
9935
9936                 { &hf_dhcp_option125_enterprise,
9937                   { "Enterprise", "dhcp.option.vi.enterprise",
9938                     FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x00,
9939                     "Option 125: Enterprise", HFILL }},
9940
9941                 { &hf_dhcp_option125_length,
9942                   { "Length", "dhcp.option.vi.length",
9943                     FT_UINT8, BASE_DEC, NULL, 0x00,
9944                     "Option 125: Length", HFILL }},
9945
9946                 { &hf_dhcp_option125_value,
9947                   { "Value", "dhcp.option.vi.value",
9948                     FT_BYTES, BASE_NONE, NULL, 0x0,
9949                     "Option 125: Suboption value", HFILL }},
9950
9951                 { &hf_dhcp_option125_value_8,
9952                   { "Value", "dhcp.option.vi.value.uint",
9953                     FT_UINT8, BASE_DEC, NULL, 0x0,
9954                     "Option 125: Suboption 8-bit value", HFILL }},
9955
9956                 { &hf_dhcp_option125_value_16,
9957                   { "Value", "dhcp.option.vi.value.uint",
9958                     FT_UINT16, BASE_DEC, NULL, 0x0,
9959                     "Option 125: Suboption 16-bit value", HFILL }},
9960
9961                 { &hf_dhcp_option125_value_ip_address,
9962                   { "Value", "dhcp.option.vi.value.address",
9963                     FT_IPv4, BASE_NONE, NULL, 0x00,
9964                     "Option 125: Suboption IP address value", HFILL }},
9965
9966                 { &hf_dhcp_option125_value_stringz,
9967                   { "Value", "dhcp.option.vi.value.string",
9968                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9969                     "Option 125: Suboption Z-String value", HFILL }},
9970
9971                 { &hf_dhcp_option125_tr111_suboption,
9972                   { "Option 125 Suboption", "dhcp.option.vi.tr111.suboption",
9973                     FT_UINT8, BASE_DEC, VALS(option125_tr111_suboption_vals), 0x0,
9974                     "Option 125:TR 111 Suboption", HFILL }},
9975
9976                 { &hf_dhcp_option125_tr111_device_manufacturer_oui,
9977                   { "DeviceManufacturerOUI", "dhcp.option.vi.tr111.device_manufacturer_oui",
9978                     FT_UINT24, BASE_OUI, NULL, 0x0,
9979                     "Option 125:TR 111 1 DeviceManufacturerOUI", HFILL }},
9980
9981                 { &hf_dhcp_option125_tr111_device_serial_number,
9982                   { "DeviceSerialNumber", "dhcp.option.vi.tr111.device_serial_number",
9983                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9984                     "Option 125:TR 111 2 DeviceSerialNumber", HFILL }},
9985
9986                 { &hf_dhcp_option125_tr111_device_product_class,
9987                   { "DeviceProductClass", "dhcp.option.vi.tr111.device_product_class",
9988                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9989                     "Option 125:TR 111 3 DeviceProductClass", HFILL }},
9990
9991                 { &hf_dhcp_option125_tr111_gateway_manufacturer_oui,
9992                   { "GatewayManufacturerOUI", "dhcp.option.vi.tr111.gateway_manufacturer_oui",
9993                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9994                     "Option 125:TR 111 4 GatewayManufacturerOUI", HFILL }},
9995
9996                 { &hf_dhcp_option125_tr111_gateway_serial_number,
9997                   { "GatewaySerialNumber", "dhcp.option.vi.tr111.gateway_serial_number",
9998                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
9999                     "Option 125:TR 111 5 GatewaySerialNumber", HFILL }},
10000
10001                 { &hf_dhcp_option125_tr111_gateway_product_class,
10002                   { "GatewayProductClass", "dhcp.option.vi.tr111.gateway_product_class",
10003                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10004                     "Option 125:TR 111 6 GatewayProductClass", HFILL }},
10005
10006                 { &hf_dhcp_option125_cl_suboption,
10007                   { "Option 125 Suboption", "dhcp.option.vi.cl.suboption",
10008                     FT_UINT8, BASE_DEC, VALS(option125_cl_suboption_vals), 0x0,
10009                     "Option 125:CL Suboption", HFILL }},
10010
10011                 { &hf_dhcp_option125_cl_option_request,
10012                   { "Option Request", "dhcp.option.vi.cl.option_request",
10013                     FT_BYTES, SEP_SPACE, NULL, 0x0,
10014                     "Option 125:CL 1 Option Request", HFILL }},
10015
10016                 { &hf_dhcp_option125_cl_tftp_server_addresses,
10017                   { "TFTP Server Addresses", "dhcp.option.vi.cl.tftp_server_addresses",
10018                     FT_IPv4, BASE_NONE, NULL, 0x00,
10019                     "Option 125:CL 2 TFTP Server Addresses", HFILL }},
10020
10021                 { &hf_dhcp_option125_cl_erouter_container_option,
10022                   { "eRouter Container Option", "dhcp.option.vi.cl.erouter_container_option",
10023                     FT_BYTES, BASE_NONE, NULL, 0x0,
10024                     "Option 125:CL 3 eRouter Container Option", HFILL }},
10025
10026                 { &hf_dhcp_option125_cl_mib_environment_indicator_option,
10027                   { "MIB Environment Indicator Option", "dhcp.option.vi.cl.mib_environment_indicator_option",
10028                     FT_UINT8, BASE_DEC, VALS(pkt_mib_env_ind_opt_vals), 0x0,
10029                     "Option 125:CL 4 MIB Environment Indicator Option", HFILL }},
10030
10031                 { &hf_dhcp_option125_cl_modem_capabilities,
10032                   { "Modem Capabilities", "dhcp.option.vi.cl.modem_capabilities",
10033                     FT_BYTES, BASE_NONE, NULL, 0x0,
10034                     "Option 125:CL 5 Modem Capabilities", HFILL }},
10035
10036                 { &hf_dhcp_option_subnet_selection_option,
10037                   { "Subnet Selection Option", "dhcp.option.subnet_selection_option",
10038                     FT_IPv4, BASE_NONE, NULL, 0x00,
10039                     "Option 118: Subnet Selection Option", HFILL }},
10040
10041                 { &hf_dhcp_option_pana_agent,
10042                   { "PAA IPv4 Address", "dhcp.option.pana_agent",
10043                     FT_IPv4, BASE_NONE, NULL, 0x0,
10044                     "Protocol for Carrying Authentication for Network Access (PANA) Authentication Agents IPv4 Address", HFILL }},
10045
10046                 { &hf_dhcp_option_lost_server_domain_name,
10047                   { "LoST Server Domain Name", "dhcp.option.lost_server_domain_name",
10048                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10049                     "Option 137: LoST Server Domain Name", HFILL }},
10050
10051                 { &hf_dhcp_option_capwap_access_controller,
10052                   { "CAPWAP Access Controllers", "dhcp.option.capwap_access_controller",
10053                     FT_IPv4, BASE_NONE, NULL, 0x00,
10054                     "Option 138: CAPWAP Access Controllers", HFILL }},
10055
10056                 { &hf_dhcp_option_andsf_server,
10057                   { "ANDSF Server", "dhcp.option.andsf_server",
10058                     FT_IPv4, BASE_NONE, NULL, 0x00,
10059                     "ANDSF (Access Network Discovery and Selection Function) Server", HFILL }},
10060
10061                 { &hf_dhcp_option_forcerenew_nonce_algo,
10062                   { "Algorithm", "dhcp.option.forcerenew_nonce.algorithm",
10063                     FT_UINT8, BASE_DEC, VALS(forcerenew_nonce_algo_vals), 0x00,
10064                     "Forcenew Nonce Algorithm", HFILL }},
10065
10066                 { &hf_dhcp_option_rdnss_reserved,
10067                   { "Reserved", "dhcp.option.rdnss.reserved",
10068                     FT_UINT8, BASE_HEX, NULL, 0xfc,
10069                     "RDNSS Reserved", HFILL }},
10070
10071                 { &hf_dhcp_option_rdnss_pref,
10072                   { "Preference", "dhcp.option.rdnss.preference",
10073                     FT_UINT8, BASE_DEC, VALS(rdnss_pref_vals), 0x03,
10074                     "RDNSS (Recursive DNS Server) Preference", HFILL }},
10075
10076                 { &hf_dhcp_option_rdnss_prim_dns_server,
10077                   { "Primary DNS", "dhcp.option.rdnss.primary_dns",
10078                     FT_IPv4, BASE_NONE, NULL, 0x00,
10079                     "RDNSS Primary DNS-recursive-name-server's IPv4 address", HFILL }},
10080
10081                 { &hf_dhcp_option_rdnss_sec_dns_server,
10082                   { "Secondary DNS", "dhcp.option.rdnss.secondary_dns",
10083                     FT_IPv4, BASE_NONE, NULL, 0x00,
10084                     "RDNSS Secondary DNS-recursive-name-server's IPv4 address", HFILL }},
10085
10086                 { &hf_dhcp_option_rdnss_domain,
10087                   { "Domains and networks", "dhcp.option.rdnss.domain",
10088                     FT_STRING, BASE_NONE, NULL, 0x00,
10089                     "RDNSS Domains and networks", HFILL }},
10090
10091                 { &hf_dhcp_option_dots_ri,
10092                   { "DOTS Reference Identifier", "dhcp.option.dots.ri",
10093                     FT_STRING, BASE_NONE, NULL, 0x00,
10094                     "Peer DOTS Agent name", HFILL }},
10095
10096                 { &hf_dhcp_option_dots_address,
10097                   { "DOTS Address", "dhcp.option.dots.address",
10098                     FT_IPv4, BASE_NONE, NULL, 0x00,
10099                     "Peer DOTS Agent Address", HFILL }},
10100
10101                 { &hf_dhcp_option_tftp_server_address,
10102                   { "TFTP Server Address", "dhcp.option.tftp_server_address",
10103                     FT_IPv4, BASE_NONE, NULL, 0x00,
10104                     "Option 150: TFTP Server Address", HFILL }},
10105
10106                 { &hf_dhcp_option_bulk_lease_status_code,
10107                   { "Status Code", "dhcp.option.bulk_lease.status_code",
10108                     FT_UINT8, BASE_DEC, VALS(bulk_lease_dhcp_status_code_vals), 0x00,
10109                     "DHCPv4 Bulk Leasequery Status Code", HFILL }},
10110
10111                 { &hf_dhcp_option_bulk_lease_status_message,
10112                   { "Status Code Message", "dhcp.option.bulk_lease.status_code_message",
10113                     FT_STRING, BASE_NONE, NULL, 0x00,
10114                     "DHCPv4 Bulk Leasequery Status Code Message", HFILL }},
10115
10116                 { &hf_dhcp_option_bulk_lease_base_time,
10117                   { "Base Time", "dhcp.option.bulk_lease.base_time",
10118                     FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00,
10119                     "DHCPv4 Bulk Leasequery Base Time", HFILL }},
10120
10121                 { &hf_dhcp_option_bulk_lease_start_time_of_state,
10122                   { "Start Time Of State", "dhcp.option.bulk_lease.start_time_of_state",
10123                     FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0,
10124                     "DHCPv4 Bulk Leasequery Start Time Of State", HFILL }},
10125
10126                 { &hf_dhcp_option_bulk_lease_query_start,
10127                   { "Query Start Time", "dhcp.option.bulk_lease.query_start_time",
10128                     FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00,
10129                     "DHCPv4 Bulk Leasequery Query Start Time", HFILL }},
10130
10131                 { &hf_dhcp_option_bulk_lease_query_end,
10132                   { "Query End Time", "dhcp.option.bulk_lease.query_end_time",
10133                     FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00,
10134                     "DHCPv4 Bulk Leasequery Query End Time", HFILL }},
10135
10136                 { &hf_dhcp_option_bulk_lease_dhcp_state,
10137                   { "Dhcp State", "dhcp.option.bulk_lease.dhcp_state",
10138                     FT_UINT8, BASE_DEC, VALS(bulk_lease_dhcp_state_vals), 0x00,
10139                     "DHCPv4 Bulk Leasequery Dhcp State", HFILL }},
10140
10141                 { &hf_dhcp_option_bulk_lease_data_source,
10142                   { "Data Source", "dhcp.option.bulk_lease.data_source",
10143                     FT_BOOLEAN, BASE_NONE, TFS(&tfs_bulk_lease_data_source), 0x00,
10144                     "DHCPv4 Bulk Leasequery Data Source", HFILL }},
10145
10146                 { &hf_dhcp_option_pcp_list_length,
10147                   { "List-Length", "dhcp.option.pcp.list_length",
10148                     FT_UINT8, BASE_DEC, NULL, 0x0,
10149                     "Port Control Protocol (PCP) List Length", HFILL }},
10150
10151                 { &hf_dhcp_option_pcp_server,
10152                   { "PCP Server", "dhcp.option.pcp.server",
10153                     FT_IPv4, BASE_NONE, NULL, 0x0,
10154                     "Port Control Protocol (PCP) Server", HFILL }},
10155
10156                 { &hf_dhcp_option_portparams_offset,
10157                   { "Offset", "dhcp.option.portparams.offset",
10158                     FT_UINT8, BASE_DEC, NULL, 0x0,
10159                     "Port Set ID (PSID) offset", HFILL }},
10160
10161                 { &hf_dhcp_option_portparams_psid_length,
10162                   { "PSID-Length", "dhcp.option.portparams.psid_length",
10163                     FT_UINT8, BASE_DEC, NULL, 0x0,
10164                     "Port Set ID (PSID) Length", HFILL }},
10165
10166                 { &hf_dhcp_option_portparams_psid,
10167                   { "PSID", "dhcp.option.portparams.psid",
10168                     FT_BYTES, BASE_NONE, NULL, 0x0,
10169                     "Port Set ID (PSID)", HFILL }},
10170
10171                 { &hf_dhcp_option_mudurl,
10172                   { "MUDURL", "dhcp.option.mudurl",
10173                     FT_STRING, BASE_NONE, NULL, 0x0,
10174                     "Option 161: MUDURL", HFILL  }},
10175
10176                 { &hf_dhcp_option_pxe_config_file,
10177                   { "PXELINUX configuration file", "dhcp.option.pxe_config_file",
10178                     FT_STRING, BASE_NONE, NULL, 0x0,
10179                     "Option 209: PXE Configuration File", HFILL }},
10180
10181                 { &hf_dhcp_option_pxe_path_prefix,
10182                   { "PXELINUX path prefix", "dhcp.option.pxe_path_prefix",
10183                     FT_STRING, BASE_NONE, NULL, 0x0,
10184                     "Option 210: PXE Path Prefix", HFILL }},
10185
10186                 { &hf_dhcp_option_pxe_reboot_time,
10187                   { "PXELINUX Reboot Time", "dhcp.option.pxe_reboot_time",
10188                     FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0,
10189                     "Option 211: PXE Reboot Time", HFILL }},
10190
10191                 { &hf_dhcp_option_captive_portal,
10192                   { "Captive Portal", "dhcp.option.captive_portal",
10193                     FT_STRING, BASE_NONE, NULL, 0x0,
10194                     "The contact URI for the captive portal that the user should connect to", HFILL }},
10195
10196                 { &hf_dhcp_option_6RD_ipv4_mask_len,
10197                   { "6RD IPv4 Mask Length", "dhcp.option.6RD.ipv4_mask_len",
10198                     FT_UINT8, BASE_DEC, NULL, 0x0,
10199                     "Option 212: 6RD IPv4 Mask Length", HFILL }},
10200
10201                 { &hf_dhcp_option_6RD_prefix_len,
10202                   { "6RD Prefix Length", "dhcp.option.6RD.prefix_len",
10203                     FT_UINT8, BASE_DEC, NULL, 0x0,
10204                     "Option 212: 6RD Prefix Length", HFILL }},
10205
10206                 { &hf_dhcp_option_6RD_prefix,
10207                   { "6RD Prefix", "dhcp.option.6RD.prefix",
10208                     FT_IPv6, BASE_NONE, NULL, 0x00,
10209                     "Option 212: 6RD Prefix", HFILL }},
10210
10211                 { &hf_dhcp_option_6RD_border_relay_ip,
10212                   { "Border Relay IP", "dhcp.option.6RD.border_relay_ip",
10213                     FT_IPv4, BASE_NONE, NULL, 0x00,
10214                     "Option 212: Border Relay IP", HFILL }},
10215
10216                 { &hf_dhcp_option_private_proxy_autodiscovery,
10217                   { "Private/Proxy autodiscovery", "dhcp.option.private_proxy_autodiscovery",
10218                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10219                     "Option 252: Private/Proxy autodiscovery", HFILL }},
10220
10221                 { &hf_dhcp_option_end,
10222                   { "Option End", "dhcp.option.end",
10223                     FT_UINT8, BASE_DEC, NULL, 0x0,
10224                     "Option 255: End", HFILL }},
10225
10226                 { &hf_dhcp_option_end_overload,
10227                   { "Option End (Overload)", "dhcp.option.end",
10228                     FT_UINT8, BASE_DEC, NULL, 0x0,
10229                     "Option 255: End (Overload)", HFILL }},
10230
10231                 { &hf_dhcp_vendor_unknown_suboption,
10232                   { "Option 125 Suboption", "dhcp.vendor.suboption",
10233                     FT_UINT8, BASE_DEC, NULL, 0x0,
10234                     NULL, HFILL }},
10235
10236                 { &hf_dhcp_suboption_data,
10237                   { "Data", "dhcp.vendor.data",
10238                     FT_BYTES, BASE_NONE, NULL, 0x0,
10239                     NULL, HFILL }},
10240
10241                 { &hf_dhcp_pc_ietf_ccc_suboption,
10242                   { "Suboption", "dhcp.vendor.pc.ietf_ccc.suboption",
10243                     FT_UINT8, BASE_DEC, VALS(pkt_draft5_ccc_opt_vals), 0x0,
10244                     NULL, HFILL }},
10245
10246                 { &hf_dhcp_pc_i05_ccc_suboption,
10247                   { "Suboption", "dhcp.vendor.pc.i05_ccc.suboption",
10248                     FT_UINT8, BASE_DEC, VALS(pkt_i05_ccc_opt_vals), 0x0,
10249                     NULL, HFILL }},
10250
10251                 { &hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_nom_timeout,
10252                   { "pktcMtaDevRealmUnsolicitedKeyNomTimeout", "dhcp.cl.ietf_ccc.dev_realm_unc_key_nom_timeout",
10253                     FT_UINT32, BASE_DEC, NULL, 0x0,
10254                     NULL, HFILL }},
10255
10256                 { &hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_timeout,
10257                   { "pktcMtaDevRealmUnsolicitedKeyMaxTimeout", "dhcp.cl.ietf_ccc.dev_realm_unc_key_max_timeout",
10258                     FT_UINT32, BASE_DEC, NULL, 0x0,
10259                     NULL, HFILL }},
10260
10261                 { &hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_retries,
10262                   { "pktcMtaDevRealmUnsolicitedKeyMaxRetries", "dhcp.cl.ietf_ccc.dev_realm_unc_key_max_retries",
10263                     FT_UINT32, BASE_DEC, NULL, 0x0,
10264                     NULL, HFILL }},
10265
10266                 { &hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_nom_timeout,
10267                   { "pktcMtaDevProvUnsolicitedKeyNomTimeout", "dhcp.cl.ietf_ccc.dev_prov_unc_key_nom_timeout",
10268                     FT_UINT32, BASE_DEC, NULL, 0x0,
10269                     NULL, HFILL }},
10270
10271                 { &hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_timeout,
10272                   { "pktcMtaDevProvUnsolicitedKeyMaxTimeout", "dhcp.cl.ietf_ccc.dev_prov_unc_key_max_timeout",
10273                     FT_UINT32, BASE_DEC, NULL, 0x0,
10274                     NULL, HFILL }},
10275
10276                 { &hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_retries,
10277                   { "pktcMtaDevProvUnsolicitedKeyMaxRetries", "dhcp.cl.ietf_ccc.dev_prov_unc_key_max_retries",
10278                     FT_UINT32, BASE_DEC, NULL, 0x0,
10279                     NULL, HFILL }},
10280
10281                 { &hf_dhcp_ccc_ietf_sec_tkt_pc_provision_server,
10282                   { "Invalidate PacketCable Provisioning Server", "dhcp.ccc.ietf.sec_tkt.pc_provision_server",
10283                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0001,
10284                     NULL, HFILL }},
10285
10286                 { &hf_dhcp_ccc_ietf_sec_tkt_all_pc_call_management,
10287                   { "Invalidate All PacketCable Call Management Servers", "dhcp.ccc.ietf.sec_tkt.all_pc_call_management",
10288                     FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0002,
10289                     NULL, HFILL }},
10290
10291                 { &hf_dhcp_option242_avaya,
10292                   { "Private/Avaya IP Telephone",  "dhcp.option.vendor.avaya",
10293                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10294                     "Option 242: Private/Avaya IP Telephone", HFILL }},
10295
10296                 { &hf_dhcp_option242_avaya_tlssrvr,
10297                   { "TLSSRVR",  "dhcp.option.vendor.avaya.tlssrvr",
10298                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10299                     "Option 242: TLSSRVR (HTTPS server(s) to download configuration)", HFILL }},
10300
10301                 { &hf_dhcp_option242_avaya_httpsrvr,
10302                   { "HTTPSRVR",  "dhcp.option.vendor.avaya.httpsrvr",
10303                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10304                     "Option 242: HTTPSRVR (HTTP server(s) to download configuration)", HFILL }},
10305
10306                 { &hf_dhcp_option242_avaya_httpdir,
10307                   { "HTTPDIR",  "dhcp.option.vendor.avaya.httpdir",
10308                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10309                     "Option 242: HTTPDIR (Path to configuration files)", HFILL }},
10310
10311                 { &hf_dhcp_option242_avaya_static,
10312                   { "STATIC",  "dhcp.option.vendor.avaya.static",
10313                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10314                     "Option 242: STATIC (Static programming override flag)", HFILL }},
10315
10316                 { &hf_dhcp_option242_avaya_mcipadd,
10317                   { "MCIPADD",  "dhcp.option.vendor.avaya.mcipadd",
10318                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10319                     "Option 242: MCIPADD (List of CM server(s))", HFILL }},
10320
10321                 { &hf_dhcp_option242_avaya_dot1x,
10322                   { "DOT1X",  "dhcp.option.vendor.avaya.dot1x",
10323                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10324                     "Option 242: DOT1X (802.1X Supplicant operation mode)", HFILL }},
10325
10326                 { &hf_dhcp_option242_avaya_icmpdu,
10327                   { "ICMPDU",  "dhcp.option.vendor.avaya.icmpdu",
10328                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10329                     "Option 242: ICMPDU (ICMP Destination Unreachable processing)", HFILL }},
10330
10331                 { &hf_dhcp_option242_avaya_icmpred,
10332                   { "ICMPRED",  "dhcp.option.vendor.avaya.icmpred",
10333                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10334                     "Option 242: ICMPRED (ICMP Redirect handling)", HFILL }},
10335
10336                 { &hf_dhcp_option242_avaya_l2q,
10337                   { "L2Q",  "dhcp.option.vendor.avaya.l2q",
10338                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10339                     "Option 242: L2Q (Controls 802.1Q tagging)", HFILL }},
10340
10341                 { &hf_dhcp_option242_avaya_l2qvlan,
10342                   { "L2QVLAN",  "dhcp.option.vendor.avaya.l2qvlan",
10343                     FT_INT32, BASE_DEC, NULL, 0x0,
10344                     "Option 242: L2QVLAN (VLAN ID)", HFILL }},
10345
10346                 { &hf_dhcp_option242_avaya_loglocal,
10347                   { "LOGLOCAL",  "dhcp.option.vendor.avaya.loglocal",
10348                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10349                     "Option 242: LOGLOCAL (Log level)", HFILL }},
10350
10351                 { &hf_dhcp_option242_avaya_phy1stat,
10352                   { "PHY1STAT",  "dhcp.option.vendor.avaya.phy1stat",
10353                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10354                     "Option 242: PHY1STAT (Interface configuration)", HFILL }},
10355
10356                 { &hf_dhcp_option242_avaya_phy2stat,
10357                   { "PHY2STAT",  "dhcp.option.vendor.avaya.phy2stat",
10358                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10359                     "Option 242: PHY2STAT (Interface configuration)", HFILL }},
10360
10361                 { &hf_dhcp_option242_avaya_procpswd,
10362                   { "PROCPSWD",  "dhcp.option.vendor.avaya.procpswd",
10363                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10364                     "Option 242: PROCPSWD (Security string used to access local procedures)", HFILL }},
10365
10366                 { &hf_dhcp_option242_avaya_procstat,
10367                   { "PROCSTAT",  "dhcp.option.vendor.avaya.procstat",
10368                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10369                     "Option 242: PROCSTAT (Local (dialpad) Administrative access)", HFILL }},
10370
10371                 { &hf_dhcp_option242_avaya_snmpadd,
10372                   { "SNMPADD",  "dhcp.option.vendor.avaya.snmpadd",
10373                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10374                     "Option 242: SNMPADD (Allowable source IP Address(es) for SNMP queries)", HFILL }},
10375
10376                 { &hf_dhcp_option242_avaya_snmpstring,
10377                   { "SNMPSTRING",  "dhcp.option.vendor.avaya.snmpstring",
10378                     FT_STRINGZ, BASE_NONE, NULL, 0x0,
10379                     "Option 242: SNMPSTRING (SNMP community string)", HFILL }},
10380
10381                 { &hf_dhcp_option242_avaya_vlantest,
10382                   { "VLANTEST",  "dhcp.option.vendor.avaya.vlantest",
10383                     FT_INT32, BASE_DEC, NULL, 0x0,
10384                     "Option 242: VLANTEST (Timeout in seconds)", HFILL }},
10385
10386                 /* Cisco vendor suboptions */
10387                 { &hf_dhcp_option43_cisco_suboption,
10388                   { "Option 43 Suboption", "dhcp.option.vendor.cisco.suboption",
10389                     FT_UINT8, BASE_DEC, VALS(option43_cisco_suboption_vals), 0x0,
10390                     "Option 43:Cisco Suboption", HFILL }},
10391
10392                 { &hf_dhcp_option43_cisco_unknown,
10393                   { "Unknown", "dhcp.option.vendor.cisco.unknown",
10394                     FT_BYTES, BASE_NONE, NULL, 0x0,
10395                     NULL, HFILL }},
10396
10397                 { &hf_dhcp_option43_cisco_unknown1,
10398                   { "Unknown1", "dhcp.option.vendor.cisco.unknown1",
10399                     FT_UINT8, BASE_DEC, NULL, 0x0,
10400                     NULL, HFILL }},
10401
10402                 { &hf_dhcp_option43_cisco_unknown2,
10403                   { "Unknown2", "dhcp.option.vendor.cisco.unknown2",
10404                     FT_UINT8, BASE_DEC, NULL, 0x0,
10405                     NULL, HFILL }},
10406
10407                 { &hf_dhcp_option43_cisco_unknown3,
10408                   { "Unknown3", "dhcp.option.vendor.cisco.unknown3",
10409                     FT_UINT16, BASE_DEC, NULL, 0x0,
10410                     NULL, HFILL }},
10411
10412                 { &hf_dhcp_option43_cisco_nodeid,
10413                   { "Node ID", "dhcp.option.vendor.cisco.nodeid",
10414                     FT_UINT32, BASE_DEC, NULL, 0x0,
10415                     NULL, HFILL }},
10416
10417                 { &hf_dhcp_option43_cisco_unknown5,
10418                   { "Unknown5", "dhcp.option.vendor.cisco.unknown5",
10419                     FT_UINT8, BASE_DEC, NULL, 0x0,
10420                     NULL, HFILL }},
10421
10422                 { &hf_dhcp_option43_cisco_unknown6,
10423                   { "Unknown6", "dhcp.option.vendor.cisco.unknown6",
10424                     FT_UINT8, BASE_DEC, NULL, 0x0,
10425                     NULL, HFILL }},
10426
10427                 { &hf_dhcp_option43_cisco_model,
10428                   { "Model", "dhcp.option.vendor.cisco.model",
10429                     FT_STRING, BASE_NONE, NULL, 0x0,
10430                     NULL, HFILL }},
10431
10432                 { &hf_dhcp_option43_cisco_apicuuid,
10433                   { "APIC UUID", "dhcp.option.vendor.cisco.apicuuid",
10434                     FT_STRING, BASE_NONE, NULL, 0x0,
10435                     NULL, HFILL }},
10436
10437                 { &hf_dhcp_option43_cisco_fabricname,
10438                   { "Fabricname", "dhcp.option.vendor.cisco.fabricname",
10439                     FT_STRING, BASE_NONE, NULL, 0x0,
10440                     NULL, HFILL }},
10441
10442                 { &hf_dhcp_option43_cisco_unknown10,
10443                   { "Unknown10", "dhcp.option.vendor.cisco.unknown10",
10444                     FT_UINT32, BASE_DEC, NULL, 0x0,
10445                     NULL, HFILL }},
10446
10447                 { &hf_dhcp_option43_cisco_serialno,
10448                   { "SerialNo", "dhcp.option.vendor.cisco.serialno",
10449                     FT_STRING, BASE_NONE, NULL, 0x0,
10450                     NULL, HFILL }},
10451
10452                 { &hf_dhcp_option43_cisco_clientint,
10453                   { "Client Int", "dhcp.option.vendor.cisco.clientint",
10454                     FT_STRING, BASE_NONE, NULL, 0x0,
10455                     NULL, HFILL }},
10456         };
10457
10458         static uat_field_t dhcp_uat_flds[] = {
10459                 UAT_FLD_DEC(uat_dhcp_records, opt, "Option number", "Custom Option Number"),
10460                 UAT_FLD_CSTRING(uat_dhcp_records, text, "Option Name", "Custom Option Name"),
10461                 UAT_FLD_VS(uat_dhcp_records, ftype, "Option type", dhcp_custom_type_vals, "Option datatype"),
10462                 UAT_END_FIELDS
10463         };
10464
10465         static int *ett[] = {
10466                 &ett_dhcp,
10467                 &ett_dhcp_flags,
10468                 &ett_dhcp_option,
10469                 &ett_dhcp_option43_suboption,
10470                 &ett_dhcp_option43_suboption_discovery,
10471                 &ett_dhcp_option43_suboption_tree,
10472                 &ett_dhcp_option63_suboption,
10473                 &ett_dhcp_option77_instance,
10474                 &ett_dhcp_option82_suboption,
10475                 &ett_dhcp_option82_suboption9,
10476                 &ett_dhcp_option124_vendor_class_data_item,
10477                 &ett_dhcp_option125_suboption,
10478                 &ett_dhcp_option125_tr111_suboption,
10479                 &ett_dhcp_option125_cl_suboption,
10480                 &ett_dhcp_option242_suboption,
10481                 &ett_dhcp_fqdn,
10482                 &ett_dhcp_filename_option,
10483                 &ett_dhcp_server_hostname,
10484                 &ett_dhcp_fqdn_flags,
10485                 &ett_dhcp_isns_functions,
10486                 &ett_dhcp_isns_discovery_domain_access,
10487                 &ett_dhcp_isns_administrative_flags,
10488                 &ett_dhcp_isns_server_security_bitmap,
10489                 &ett_dhcp_isns_secondary_server_addr,
10490                 &ett_dhcp_o43_bsdp_boot_image,
10491                 &ett_dhcp_o43_bsdp_attributes,
10492                 &ett_dhcp_o43_bsdp_image_desc_list,
10493                 &ett_dhcp_o43_bsdp_image_desc,
10494                 &ett_dhcp_o43_bsdp_attributes_flags,
10495                 &ett_dhcp_option158_pcp_list,
10496         };
10497
10498         static ei_register_info ei[] = {
10499                 { &ei_dhcp_bad_length, { "dhcp.bad_length", PI_PROTOCOL, PI_ERROR, "length isn't 0", EXPFILL }},
10500                 { &ei_dhcp_bad_bitfield, { "dhcp.bad_bitfield", PI_PROTOCOL, PI_ERROR, "Bogus bitfield", EXPFILL }},
10501                 { &ei_dhcp_missing_subopt_length, { "dhcp.missing_subopt_length", PI_PROTOCOL, PI_ERROR, "no room left in option for suboption length", EXPFILL }},
10502                 { &ei_dhcp_missing_subopt_value, { "dhcp.missing_subopt_value", PI_PROTOCOL, PI_ERROR, "no room left in option for suboption value", EXPFILL }},
10503                 { &ei_dhcp_mal_duid, { "dhcp.malformed.duid", PI_PROTOCOL, PI_ERROR, "DUID: malformed option", EXPFILL }},
10504                 { &ei_dhcp_rfc3396_refer_last_option, { "dhcp.option.refer_last_option", PI_REASSEMBLE, PI_CHAT, "For the data, please refer to the last option of this type", EXPFILL }},
10505                 { &ei_dhcp_opt_overload_wrong_field, { "dhcp.option.option_overload.wrong_field", PI_PROTOCOL, PI_WARN, "overload option makes no sense in the file or sname field", EXPFILL }},
10506                 { &ei_dhcp_opt_overload_file_end_missing, { "dhcp.option.option_overload.file_end_missing", PI_PROTOCOL, PI_ERROR, "file overload end option missing", EXPFILL }},
10507                 { &ei_dhcp_opt_overload_sname_end_missing, { "dhcp.option.option_overload.sname_end_missing", PI_PROTOCOL, PI_ERROR, "sname overload end option missing", EXPFILL }},
10508                 { &ei_dhcp_subopt_unknown_type, { "dhcp.subopt.unknown_type", PI_PROTOCOL, PI_ERROR, "ERROR, please report: Unknown subopt type handler", EXPFILL }},
10509                 { &ei_dhcp_option_civic_location_bad_cattype, { "dhcp.option.civic_location.bad_cattype", PI_PROTOCOL, PI_ERROR, "Error with CAType", EXPFILL }},
10510                 { &ei_dhcp_option_dhcp_name_service_invalid, { "dhcp.option.dhcp_name_service.invalid", PI_PROTOCOL, PI_ERROR, "Invalid Name Service", EXPFILL }},
10511                 { &ei_dhcp_option_sip_server_address_encoding, { "dhcp.option.sip_server_address.encoding", PI_PROTOCOL, PI_ERROR, "RFC 3361 defines only 0 and 1 for Encoding byte", EXPFILL }},
10512                 { &ei_dhcp_option_classless_static_route, { "dhcp.option.classless_static.route", PI_PROTOCOL, PI_ERROR, "Mask width > 32", EXPFILL }},
10513                 { &ei_dhcp_option125_enterprise_malformed, { "dhcp.option.enterprise.malformed", PI_PROTOCOL, PI_ERROR, "no room left in option for enterprise data", EXPFILL }},
10514                 { &ei_dhcp_option_6RD_malformed, { "dhcp.option.6RD.malformed", PI_PROTOCOL, PI_ERROR, "6RD: malformed option", EXPFILL }},
10515                 { &ei_dhcp_option82_vi_cl_tag_unknown, { "dhcp.option.option.vi.cl.tag_unknown", PI_PROTOCOL, PI_ERROR, "Unknown tag", EXPFILL }},
10516                 { &ei_dhcp_option_parse_err, { "dhcp.option.parse_err", PI_PROTOCOL, PI_ERROR, "Parse error", EXPFILL }},
10517                 { &ei_dhcp_nonstd_option_data, { "dhcp.option.nonstd_data", PI_PROTOCOL, PI_NOTE, "Non standard compliant option data", EXPFILL }},
10518                 { &ei_dhcp_suboption_invalid, { "dhcp.suboption_invalid", PI_PROTOCOL, PI_ERROR, "Invalid suboption", EXPFILL }},
10519                 { &ei_dhcp_secs_le, { "dhcp.secs_le", PI_PROTOCOL, PI_NOTE, "Seconds elapsed appears to be encoded as little-endian", EXPFILL }},
10520                 { &ei_dhcp_end_option_missing, { "dhcp.end_option_missing", PI_PROTOCOL, PI_ERROR, "End option missing", EXPFILL }},
10521                 { &ei_dhcp_client_address_not_given, { "dhcp.client_address_not_given", PI_PROTOCOL, PI_NOTE, "Client address not given", EXPFILL }},
10522                 { &ei_dhcp_server_name_overloaded_by_dhcp, { "dhcp.server_name_overloaded_by_dhcp", PI_PROTOCOL, PI_NOTE, "Server name option overloaded by DHCP", EXPFILL }},
10523                 { &ei_dhcp_boot_filename_overloaded_by_dhcp, { "dhcp.boot_filename_overloaded_by_dhcp", PI_PROTOCOL, PI_NOTE, "Boot file name option overloaded by DHCP", EXPFILL }},
10524                 { &ei_dhcp_option_isns_ignored_bitfield, { "dhcp.option.isns.ignored_bitfield", PI_PROTOCOL, PI_NOTE, "Enabled field is not set - non-zero bitmask ignored", EXPFILL }},
10525                 { &ei_dhcp_option242_avaya_l2qvlan_invalid, { "dhcp.option.vendor.avaya.l2qvlan.invalid", PI_PROTOCOL, PI_ERROR, "Option 242 (L2QVLAN) invalid", EXPFILL }},
10526                 { &ei_dhcp_option242_avaya_vlantest_invalid, { "dhcp.option.vendor.avaya.vlantest.invalid", PI_PROTOCOL, PI_ERROR, "Option 242 (avaya vlantest) invalid", EXPFILL }},
10527                 { &ei_dhcp_option93_client_arch_ambiguous, { "dhcp.option.client_architecture.ambiguous", PI_PROTOCOL, PI_WARN, "Client Architecture ID may be ambiguous", EXPFILL }},
10528         };
10529
10530         static tap_param dhcp_stat_params[] = {
10531                 { PARAM_FILTER, "filter", "Filter", NULL, true }
10532         };
10533
10534         static stat_tap_table_ui dhcp_stat_table = {
10535                 REGISTER_PACKET_STAT_GROUP_UNSORTED,
10536                 "DHCP (BOOTP) Statistics",
10537                 "dhcp",
10538                 "dhcp,stat",
10539                 dhcp_stat_init,
10540                 dhcp_stat_packet,
10541                 dhcp_stat_reset,
10542                 NULL,
10543                 NULL,
10544                 array_length(dhcp_stat_fields), dhcp_stat_fields,
10545                 array_length(dhcp_stat_params), dhcp_stat_params,
10546                 NULL,
10547                 0
10548         };
10549
10550         module_t *dhcp_module;
10551         expert_module_t* expert_dhcp;
10552
10553         proto_dhcp = proto_register_protocol("Dynamic Host Configuration Protocol", "DHCP/BOOTP", "dhcp");
10554         proto_register_field_array(proto_dhcp, hf, array_length(hf));
10555         proto_register_alias(proto_dhcp, "bootp");
10556         proto_register_subtree_array(ett, array_length(ett));
10557         dhcp_bootp_tap = register_tap("dhcp");
10558
10559         expert_dhcp = expert_register_protocol(proto_dhcp);
10560         expert_register_field_array(expert_dhcp, ei, array_length(ei));
10561
10562         dhcp_option_table = register_dissector_table("dhcp.option", "BOOTP Options", proto_dhcp, FT_UINT8, BASE_DEC);
10563         dhcp_vendor_id_subdissector = register_heur_dissector_list_with_description("dhcp.vendor_id", "DHCP Vendor ID", proto_dhcp);
10564         dhcp_vendor_info_subdissector = register_heur_dissector_list_with_description("dhcp.vendor_info", "DHCP Vendor Info", proto_dhcp);
10565         dhcp_enterprise_class_table = register_dissector_table("dhcp.enterprise_class", "V-I Vendor Class Enterprise", proto_dhcp, FT_UINT32, BASE_DEC);
10566         dhcp_enterprise_specific_table = register_dissector_table("dhcp.enterprise", "V-I Vendor Specific Enterprise", proto_dhcp, FT_UINT32, BASE_DEC);
10567
10568         /* register init/cleanup routine to handle the custom dhcp options */
10569         register_init_routine(&dhcp_init_protocol);
10570         register_cleanup_routine(&dhcp_cleanup_protocol);
10571
10572         /* Allow dissector to find be found by name. */
10573         dhcp_handle = register_dissector("dhcp", dissect_dhcp, proto_dhcp);
10574
10575         dhcp_module = prefs_register_protocol(proto_dhcp, NULL);
10576
10577         prefs_register_bool_preference(dhcp_module, "novellserverstring",
10578                                        "Decode Option 85 as String",
10579                                        "Novell Servers option 85 can be configured as a string instead of address",
10580                                        &novell_string);
10581
10582         prefs_register_enum_preference(dhcp_module, "pkt.ccc.protocol_version",
10583                                        "PacketCable CCC protocol version",
10584                                        "The PacketCable CCC protocol version",
10585                                        &pkt_ccc_protocol_version,
10586                                        pkt_ccc_protocol_versions,
10587                                        false);
10588
10589         prefs_register_uint_preference(dhcp_module, "pkt.ccc.option",
10590                                        "PacketCable CCC option",
10591                                        "Option Number for PacketCable CableLabs Client Configuration",
10592                                        10,
10593                                        &pkt_ccc_option);
10594
10595         prefs_register_enum_preference(dhcp_module, "uuid.endian",
10596                                        "Endianness of UUID",
10597                                        "Endianness applied to UUID fields",
10598                                        &dhcp_uuid_endian,
10599                                        dhcp_uuid_endian_vals,
10600                                        false);
10601
10602         prefs_register_enum_preference(dhcp_module, "secs.endian",
10603                                        "Endianness of seconds elapsed field",
10604                                        "Endianness applied to seconds elapsed field",
10605                                        &dhcp_secs_endian,
10606                                        dhcp_secs_endian_vals,
10607                                        false);
10608
10609         prefs_register_obsolete_preference(dhcp_module, "displayasstring");
10610
10611         dhcp_uat = uat_new("Custom DHCP/BootP Options (Excl. suboptions)",
10612                         sizeof(uat_dhcp_record_t), /* record size            */
10613                         "custom_bootp",            /* filename               */
10614                         true,                      /* from_profile           */
10615                         &uat_dhcp_records,         /* data_ptr               */
10616                         &num_dhcp_records_uat,     /* numitems_ptr           */
10617                         UAT_AFFECTS_DISSECTION,    /* affects dissection of packets, but not set of named fields */
10618                         NULL,                      /* help                   */
10619                         uat_dhcp_record_copy_cb,   /* copy callback          */
10620                         uat_dhcp_record_update_cb, /* update callback        */
10621                         uat_dhcp_record_free_cb,   /* free callback          */
10622                         NULL,                      /* post update callback   */
10623                         NULL,                      /* reset callback     */
10624                         dhcp_uat_flds);            /* UAT field definitions  */
10625
10626         prefs_register_uat_preference(dhcp_module,
10627                                       "custom_dhcp_table",
10628                                       "Custom DHCP/BootP Options (Excl. suboptions)",
10629                                       "Custom DHCP/BootP Options (Excl. suboptions)",
10630                                       dhcp_uat);
10631
10632         register_stat_tap_table_ui(&dhcp_stat_table);
10633 }
10634
10635 void
10636 proto_reg_handoff_dhcp(void)
10637 {
10638         range_t *dhcpopt_basictype_range;
10639
10640         dissector_add_uint_range_with_preference("udp.port", DHCP_UDP_PORT_RANGE, dhcp_handle);
10641
10642         /* Create dissection function handles for all DHCP/BOOTP options */
10643         dhcpopt_basic_handle = create_dissector_handle( dissect_dhcpopt_basic_type, proto_dhcp );
10644         range_convert_str(wmem_epan_scope(), &dhcpopt_basictype_range, DHCP_OPTION_BASICTYPE_RANGE, 0xFF);
10645         dissector_add_uint_range("dhcp.option", dhcpopt_basictype_range, dhcpopt_basic_handle);
10646
10647         dissector_add_uint("dhcp.option", 21, create_dissector_handle( dissect_dhcpopt_policy_filter, proto_dhcp ));
10648         dissector_add_uint("dhcp.option", 33, create_dissector_handle( dissect_dhcpopt_static_route, proto_dhcp ));
10649         dissector_add_uint("dhcp.option", 43, create_dissector_handle( dissect_dhcpopt_vendor_specific_info, proto_dhcp ));
10650         dissector_add_uint("dhcp.option", 52, create_dissector_handle( dissect_dhcpopt_option_overload, proto_dhcp ));
10651         dissector_add_uint("dhcp.option", 53, create_dissector_handle( dissect_dhcpopt_dhcp, proto_dhcp ));
10652         dissector_add_uint("dhcp.option", 55, create_dissector_handle( dissect_dhcpopt_param_request_list, proto_dhcp ));
10653         dissector_add_uint("dhcp.option", 60, create_dissector_handle( dissect_dhcpopt_vendor_class_identifier, proto_dhcp ));
10654         dissector_add_uint("dhcp.option", 61, create_dissector_handle( dissect_dhcpopt_client_identifier, proto_dhcp ));
10655         dissector_add_uint("dhcp.option", 63, create_dissector_handle( dissect_dhcpopt_netware_ip, proto_dhcp ));
10656         dissector_add_uint("dhcp.option", 77, create_dissector_handle( dissect_dhcpopt_user_class_information, proto_dhcp ));
10657         dissector_add_uint("dhcp.option", 78, create_dissector_handle( dissect_dhcpopt_slp_directory_agent, proto_dhcp ));
10658         dissector_add_uint("dhcp.option", 79, create_dissector_handle( dissect_dhcpopt_slp_service_scope, proto_dhcp ));
10659         dissector_add_uint("dhcp.option", 81, create_dissector_handle( dissect_dhcpopt_client_full_domain_name, proto_dhcp ));
10660         dissector_add_uint("dhcp.option", 82, create_dissector_handle( dissect_dhcpopt_relay_agent_info, proto_dhcp ));
10661         dissector_add_uint("dhcp.option", 83, create_dissector_handle( dissect_dhcpopt_isns, proto_dhcp ));
10662         dissector_add_uint("dhcp.option", 85, create_dissector_handle( dissect_dhcpopt_novell_servers, proto_dhcp ));
10663         dissector_add_uint("dhcp.option", 90, create_dissector_handle( dissect_dhcpopt_dhcp_authentication, proto_dhcp ));
10664         dissector_add_uint("dhcp.option", 93, create_dissector_handle( dissect_dhcpopt_client_architecture, proto_dhcp ));
10665         dissector_add_uint("dhcp.option", 94, create_dissector_handle( dissect_dhcpopt_client_network_interface_id, proto_dhcp ));
10666         dissector_add_uint("dhcp.option", 97, create_dissector_handle( dissect_dhcpopt_client_identifier_uuid, proto_dhcp ));
10667         dissector_add_uint("dhcp.option", 99, create_dissector_handle( dissect_dhcpopt_civic_location, proto_dhcp ));
10668         dissector_add_uint("dhcp.option", 114, create_dissector_handle( dissect_dhcpopt_dhcp_captive_portal, proto_dhcp ));
10669         dissector_add_uint("dhcp.option", 117, create_dissector_handle( dissect_dhcpopt_name_server_search, proto_dhcp ));
10670         dissector_add_uint("dhcp.option", 119, create_dissector_handle( dissect_dhcpopt_dhcp_domain_search, proto_dhcp ));
10671         dissector_add_uint("dhcp.option", 120, create_dissector_handle( dissect_dhcpopt_sip_servers, proto_dhcp ));
10672         dissector_add_uint("dhcp.option", 121, create_dissector_handle( dissect_dhcpopt_classless_static_route, proto_dhcp ));
10673         /* The PacketCable CCC option number can vary. Still handled through preference */
10674         dissector_add_uint("dhcp.option", 122, create_dissector_handle( dissect_dhcpopt_packetcable_ccc, proto_dhcp ));
10675
10676         dissector_add_uint("dhcp.option", 123, create_dissector_handle( dissect_dhcpopt_coordinate_based_location, proto_dhcp ));
10677         dissector_add_uint("dhcp.option", 124, create_dissector_handle( dissect_dhcpopt_vi_vendor_class, proto_dhcp ));
10678         dissector_add_uint("dhcp.option", 125, create_dissector_handle( dissect_dhcpopt_vi_vendor_specific_info, proto_dhcp ));
10679         dissector_add_uint("dhcp.option", 145, create_dissector_handle( dissect_dhcpopt_forcerenew_nonce, proto_dhcp ));
10680         dissector_add_uint("dhcp.option", 146, create_dissector_handle( dissect_dhcpopt_rdnss, proto_dhcp ));
10681         dissector_add_uint("dhcp.option", 151, create_dissector_handle( dissect_dhcpopt_bulk_lease_status_code, proto_dhcp ));
10682         dissector_add_uint("dhcp.option", 152, create_dissector_handle( dissect_dhcpopt_bulk_lease_base_time, proto_dhcp ));
10683         dissector_add_uint("dhcp.option", 154, create_dissector_handle( dissect_dhcpopt_bulk_lease_query_start, proto_dhcp ));
10684         dissector_add_uint("dhcp.option", 155, create_dissector_handle( dissect_dhcpopt_bulk_lease_query_end, proto_dhcp ));
10685         dissector_add_uint("dhcp.option", 158, create_dissector_handle( dissect_dhcpopt_pcp_server, proto_dhcp ));
10686         dissector_add_uint("dhcp.option", 159, create_dissector_handle( dissect_dhcpopt_portparams, proto_dhcp ));
10687         dissector_add_uint("dhcp.option", 160, create_dissector_handle( dissect_dhcpopt_dhcp_captive_portal, proto_dhcp ));
10688         dissector_add_uint("dhcp.option", 212, create_dissector_handle( dissect_dhcpopt_6RD_option, proto_dhcp ));
10689         dissector_add_uint("dhcp.option", 242, create_dissector_handle( dissect_dhcpopt_avaya_ip_telephone, proto_dhcp ));
10690         dissector_add_uint("dhcp.option", 249, create_dissector_handle( dissect_dhcpopt_classless_static_route, proto_dhcp ));
10691
10692         /* Create heuristic dissection for DHCP vendor class id */
10693         heur_dissector_add( "dhcp.vendor_id", dissect_packetcable_mta_vendor_id_heur, "PacketCable MTA", "packetcable_mta_dhcp", proto_dhcp, HEURISTIC_ENABLE );
10694         heur_dissector_add( "dhcp.vendor_id", dissect_packetcable_cm_vendor_id_heur, "PacketCable CM", "packetcable_cm_dhcp", proto_dhcp, HEURISTIC_ENABLE );
10695         heur_dissector_add( "dhcp.vendor_id", dissect_apple_bsdp_vendor_id_heur, "Apple BSDP", "apple_bsdp_dhcp", proto_dhcp, HEURISTIC_ENABLE );
10696
10697         /* Create heuristic dissection for DHCP vendor specific information */
10698
10699         /* Note that this is a rather weak (permissive) heuristic,
10700            it's put first so it ends up at the end of the list, I guess this is OK.
10701            Add any stronger (less permissive) heuristics after this!
10702            XXX - Should we just disable by default? */
10703         heur_dissector_add( "dhcp.vendor_info", dissect_alcatel_lucent_vendor_info_heur, "Alcatel-Lucent", "alcatel_lucent_dhcp", proto_dhcp, HEURISTIC_ENABLE );
10704
10705         heur_dissector_add( "dhcp.vendor_info", dissect_pxeclient_vendor_info_heur, "PXEClient", "pxeclient_dhcp", proto_dhcp, HEURISTIC_ENABLE );
10706         heur_dissector_add( "dhcp.vendor_info", dissect_cablelabs_vendor_info_heur, "CableLabs", "cablelabs_dhcp", proto_dhcp, HEURISTIC_ENABLE );
10707         heur_dissector_add( "dhcp.vendor_info", dissect_aruba_ap_vendor_info_heur, ARUBA_AP, "aruba_ap_dhcp", proto_dhcp, HEURISTIC_ENABLE );
10708         heur_dissector_add( "dhcp.vendor_info", dissect_aruba_instant_ap_vendor_info_heur, ARUBA_INSTANT_AP, "aruba_instant_ap_dhcp", proto_dhcp, HEURISTIC_ENABLE );
10709         heur_dissector_add( "dhcp.vendor_info", dissect_apple_bsdp_vendor_info_heur, "Apple BSDP", "apple_bsdp_info_dhcp", proto_dhcp, HEURISTIC_ENABLE );
10710         heur_dissector_add( "dhcp.vendor_info", dissect_aerohive_vendor_info_heur, "AEROHIVE", "aerohive_info_dhcp", proto_dhcp, HEURISTIC_ENABLE );
10711         heur_dissector_add( "dhcp.vendor_info", dissect_cisco_vendor_info_heur, "Cisco", "cisco_info_dhcp", proto_dhcp, HEURISTIC_ENABLE );
10712
10713         /* Create dissection function handles for DHCP Enterprise dissection */
10714         dissector_add_uint("dhcp.enterprise", 4491, create_dissector_handle( dissect_vendor_cl_suboption, proto_dhcp ));
10715         dissector_add_uint("dhcp.enterprise", 3561, create_dissector_handle( dissect_vendor_tr111_suboption, proto_dhcp ));
10716 }
10717
10718 /*
10719  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
10720  *
10721  * Local variables:
10722  * c-basic-offset: 8
10723  * tab-width: 8
10724  * indent-tabs-mode: t
10725  * End:
10726  *
10727  * vi: set shiftwidth=8 tabstop=8 noexpandtab:
10728  * :indentSize=8:tabSize=8:noTabs=false:
10729  */