epan/dissectors/packet-nettl.c

   1 /* packet-nettl.c
   2  * Routines for nettl (HP-UX) record header dissection
   3  *
   4  * Original Author Mark C. Brown <mbrown@hp.com>
   5  * Copyright (C) 2005 Hewlett-Packard Development Company, L.P.
   6  *
   7  * $Id$
   8  *
   9  * Wireshark - Network traffic analyzer
  10  * By Gerald Combs <gerald@wireshark.org>
  11  * Copyright 1998 Gerald Combs
  12  *
  13  * Copied from packet-pagp.c
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License
  17  * as published by the Free Software Foundation; either version 2
  18  * of the License, or (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  28  */
  29
  30 #include "config.h"
  31
  32 #include <glib.h>
  33 #include <epan/packet.h>
  34 #include <epan/ipproto.h>
  35 #include <wiretap/nettl.h>
  36
  37 /* Initialize the protocol and registered fields */
  38
  39 static int proto_nettl = -1;
  40
  41 static int hf_nettl_subsys = -1;
  42 static int hf_nettl_devid = -1;
  43 static int hf_nettl_kind = -1;
  44 static int hf_nettl_pid = -1;
  45 static int hf_nettl_uid = -1;
  46
  47 static dissector_handle_t eth_withoutfcs_handle;
  48 static dissector_handle_t tr_handle;
  49 static dissector_handle_t lapb_handle;
  50 static dissector_handle_t x25_handle;
  51 static dissector_handle_t sctp_handle;
  52 static dissector_handle_t data_handle;
  53 static dissector_table_t wtap_dissector_table;
  54 static dissector_table_t ip_proto_dissector_table;
  55 static dissector_table_t tcp_subdissector_table;
  56
  57 #define TCP_PORT_TELNET 23
  58
  59 /* Initialize the subtree pointers */
  60
  61 static gint ett_nettl = -1;
  62
  63 /* General declarations and macros */
  64
  65 static const value_string trace_kind[] = {
  66         { 0x80000000, "Incoming Header" },
  67         { 0x40000000, "Outgoing Header" },
  68         { 0x20000000, "Incoming PDU - PDUIN" },
  69         { 0x20000000, "PDUIN" },
  70         { 0x10000000, "Outgoing PDU - PDUOUT" },
  71         { 0x10000000, "PDUOUT" },
  72         { 0x08000000, "Procedure Trace" },
  73         { 0x04000000, "State Trace" },
  74         { 0x02000000, "Error Trace" },
  75         { 0x01000000, "Logging" },
  76         { 0x00800000, "Loopback" },
  77         { 0, NULL }
  78 };
  79
  80 static const value_string subsystem[] = {
  81         { 0, "NS_LS_LOGGING" },
  82         { 1, "NS_LS_NFT" },
  83         { 2, "NS_LS_LOOPBACK" },
  84         { 3, "NS_LS_NI" },
  85         { 4, "NS_LS_IPC" },
  86         { 5, "NS_LS_SOCKREGD" },
  87         { 6, "NS_LS_TCP" },
  88         { 7, "NS_LS_PXP" },
  89         { 8, "NS_LS_UDP" },
  90         { 9, "NS_LS_IP" },
  91         { 10, "NS_LS_PROBE" },
  92         { 11, "NS_LS_DRIVER" },
  93         { 12, "NS_LS_RLBD" },
  94         { 13, "NS_LS_BUFS" },
  95         { 14, "NS_LS_CASE21" },
  96         { 15, "NS_LS_ROUTER21" },
  97         { 16, "NS_LS_NFS" },
  98         { 17, "NS_LS_NETISR" },
  99         { 18, "NS_LS_X25D" },
 100         { 19, "NS_LS_NSE" },
 101         { 20, "NS_LS_STRLOG" },
 102         { 21, "NS_LS_TIRDWR" },
 103         { 22, "NS_LS_TIMOD" },
 104         { 23, "NS_LS_ICMP" },
 105         { 24, "X25L2" },
 106         { 25, "X25L3" },
 107         { 26, "FILTER" },
 108         { 27, "NAME" },
 109         { 28, "ACC" },
 110         { 29, "NS_LS_IGMP" },
 111         { 31, "TOKEN" },
 112         { 32, "HIPPI" },
 113         { 33, "EISA_FC" },
 114         { 34, "SX25L2" },
 115         { 35, "SX25L3" },
 116         { 36, "NS_LS_SX25" },
 117         { 37, "100VG" },
 118         { 38, "EISA_ATM" },
 119         { 39, "SEAH_FDDI" },
 120         { 40, "TELECOM_HLR" },
 121         { 41, "TELECOM_SCE" },
 122         { 42, "TELECOM_SMS" },
 123         { 43, "TELECOM_NEM" },
 124         { 50, "FORE_ATM" },
 125         { 60, "TMOS_TOB" },
 126         { 62, "TELECOM_SCP" },
 127         { 63, "TELECOM_SS7" },
 128         { 64, "FTAM_INIT" },
 129         { 65, "FTAM_RESP" },
 130         { 70, "FTAM_VFS" },
 131         { 72, "FTAM_USER" },
 132         { 82, "OVS" },
 133         { 84, "OVEXTERNAL" },
 134         { 90, "OTS9000" },
 135         { 91, "OTS9000-NETWORK" },
 136         { 92, "OTS9000-TRANSPORT" },
 137         { 93, "OTS9000-SESSION" },
 138         { 94, "OTS9000-ACSE_PRES" },
 139         { 95, "FDDI" },
 140         { 116, "SHM" },
 141         { 119, "ACSE_US" },
 142         { 121, "HPS" },
 143         { 122, "CM" },
 144         { 123, "ULA_UTILS" },
 145         { 124, "EM" },
 146         { 129, "STREAMS" },
 147         { 164, "LAN100" },
 148         { 172, "EISA100BT" },
 149         { 173, "BASE100" },
 150         { 174, "EISA_FDDI" },
 151         { 176, "PCI_FDDI" },
 152         { 177, "HSC_FDDI" },
 153         { 178, "GSC100BT" },
 154         { 179, "PCI100BT" },
 155         { 180, "SPP100BT" },
 156         { 181, "GLE" },
 157         { 182, "FQE" },
 158         { 185, "GELAN" },
 159         { 187, "PCITR" },
 160         { 188, "HP_APA" },
 161         { 189, "HP_APAPORT" },
 162         { 190, "HP_APALACP" },
 163         { 210, "BTLAN" },
 164         { 233, "INTL100" },
 165         { 244, "NS_LS_IPV6" },
 166         { 245, "NS_LS_ICMPV6" },
 167         { 246, "DLPI" },
 168         { 247, "VLAN" },
 169         { 249, "NS_LS_LOOPBACK6" },
 170         { 250, "DHCPV6D" },
 171         { 252, "IGELAN" },
 172         { 253, "IETHER" },
 173         { 257, "WBEMProvider-LAN" },
 174         { 258, "SYSADMIN" },
 175         { 264, "LVMPROVIDER" },
 176         { 265, "IXGBE" },
 177         { 267, "NS_LS_TELNET" },
 178         { 268, "NS_LS_SCTP" },
 179         { 269, "HSSN" },
 180         { 270, "IGSSN" },
 181         { 271, "ICXGBE" },
 182         { 275, "IEXGBE" },
 183         { 277, "IOCXGBE" },
 184         { 278, "IQXGBE" },
 185         { 513, "KL_VM" },
 186         { 514, "KL_PKM" },
 187         { 515, "KL_DLKM" },
 188         { 516, "KL_PM" },
 189         { 517, "KL_VFS" },
 190         { 518, "KL_VXFS" },
 191         { 519, "KL_UFS" },
 192         { 520, "KL_NFS" },
 193         { 521, "KL_FSVM" },
 194         { 522, "KL_WSIO" },
 195         { 523, "KL_SIO" },
 196         { 524, "KL_NET" },
 197         { 525, "KL_MC" },
 198         { 526, "KL_DYNTUNE" },
 199         { 527, "KL_KEN" },
 200         { 0, NULL }
 201 };
 202
 203
 204 /* Code to actually dissect the nettl record headers */
 205
 206 static void
 207 dissect_nettl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 208 {
 209       proto_tree *nettl_tree;
 210       proto_item *nettl_item;
 211
 212       pinfo->current_proto = "nettl";
 213
 214       if (tree) {
 215             nettl_item = proto_tree_add_protocol_format(tree, proto_nettl, tvb,
 216                 0, -1, "HP-UX Network Tracing and Logging (nettl) header");
 217             nettl_tree = proto_item_add_subtree(nettl_item, ett_nettl);
 218         proto_tree_add_uint_format_value(nettl_tree, hf_nettl_subsys, tvb,
 219                         0, 0, pinfo->pseudo_header->nettl.subsys, "%d (%s)", pinfo->pseudo_header->nettl.subsys,
 220                         val_to_str_const(pinfo->pseudo_header->nettl.subsys, subsystem, "Unknown"));
 221         proto_tree_add_int(nettl_tree, hf_nettl_devid, tvb,
 222                         0, 0, pinfo->pseudo_header->nettl.devid);
 223         proto_tree_add_uint_format_value(nettl_tree, hf_nettl_kind, tvb,
 224                         0, 0, pinfo->pseudo_header->nettl.kind,
 225                         "0x%08x (%s)", pinfo->pseudo_header->nettl.kind,
 226                         val_to_str_const(pinfo->pseudo_header->nettl.kind & ~NETTL_HDR_SUBSYSTEM_BITS_MASK, trace_kind, "Unknown"));
 227         proto_tree_add_int(nettl_tree, hf_nettl_pid, tvb,
 228                         0, 0, pinfo->pseudo_header->nettl.pid);
 229         proto_tree_add_uint(nettl_tree, hf_nettl_uid, tvb,
 230                         0, 0, pinfo->pseudo_header->nettl.uid);
 231       }
 232
 233       switch (pinfo->fd->lnk_t) {
 234          case WTAP_ENCAP_NETTL_ETHERNET:
 235             call_dissector(eth_withoutfcs_handle, tvb, pinfo, tree);
 236             break;
 237          case WTAP_ENCAP_NETTL_TOKEN_RING:
 238             call_dissector(tr_handle, tvb, pinfo, tree);
 239             break;
 240          case WTAP_ENCAP_NETTL_FDDI:
 241             if (!dissector_try_uint(wtap_dissector_table,
 242                         WTAP_ENCAP_FDDI_BITSWAPPED, tvb, pinfo, tree))
 243                     call_dissector(data_handle, tvb, pinfo, tree);
 244             break;
 245          case WTAP_ENCAP_NETTL_RAW_IP:
 246             if ( (pinfo->pseudo_header->nettl.kind & NETTL_HDR_PDU_MASK) == 0 )
 247                     /* not actually a data packet (PDU) trace record */
 248                     call_dissector(data_handle, tvb, pinfo, tree);
 249             else if (pinfo->pseudo_header->nettl.subsys == NETTL_SUBSYS_NS_LS_SCTP )
 250                     call_dissector(sctp_handle, tvb, pinfo, tree);
 251             else if (!dissector_try_uint(wtap_dissector_table,
 252                         WTAP_ENCAP_RAW_IP, tvb, pinfo, tree))
 253                     call_dissector(data_handle, tvb, pinfo, tree);
 254             break;
 255          case WTAP_ENCAP_NETTL_RAW_ICMP:
 256             if (!dissector_try_uint(ip_proto_dissector_table,
 257                         IP_PROTO_ICMP, tvb, pinfo, tree))
 258                     call_dissector(data_handle, tvb, pinfo, tree);
 259             break;
 260          case WTAP_ENCAP_NETTL_RAW_ICMPV6:
 261             if (!dissector_try_uint(ip_proto_dissector_table,
 262                         IP_PROTO_ICMPV6, tvb, pinfo, tree))
 263                     call_dissector(data_handle, tvb, pinfo, tree);
 264             break;
 265          case WTAP_ENCAP_NETTL_X25:
 266             if (pinfo->pseudo_header->nettl.kind == NETTL_HDR_PDUIN)
 267                 pinfo->p2p_dir = P2P_DIR_RECV;
 268             else if (pinfo->pseudo_header->nettl.kind == NETTL_HDR_PDUOUT)
 269                 pinfo->p2p_dir = P2P_DIR_SENT;
 270             if (pinfo->pseudo_header->nettl.subsys == NETTL_SUBSYS_SX25L2)
 271                 call_dissector(lapb_handle, tvb, pinfo, tree);
 272             else
 273                 call_dissector(x25_handle, tvb, pinfo, tree);
 274             break;
 275          case WTAP_ENCAP_NETTL_RAW_TELNET:
 276             if (!dissector_try_uint(tcp_subdissector_table,
 277                         TCP_PORT_TELNET, tvb, pinfo, tree))
 278                     call_dissector(data_handle, tvb, pinfo, tree);
 279             break;
 280          default:
 281             col_set_str(pinfo->cinfo, COL_PROTOCOL, "UNKNOWN");
 282             col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported nettl subsytem: %d (%s)",
 283                 pinfo->pseudo_header->nettl.subsys,
 284                         val_to_str_const(pinfo->pseudo_header->nettl.subsys, subsystem, "Unknown"));
 285             call_dissector(data_handle, tvb, pinfo, tree);
 286       }
 287 }
 288
 289
 290 /* Register the protocol with Wireshark */
 291
 292 void
 293 proto_register_nettl(void)
 294 {
 295 /* Setup list of header fields */
 296
 297   static hf_register_info hf[] = {
 298
 299         { &hf_nettl_subsys,
 300         { "Subsystem", "nettl.subsys", FT_UINT16, BASE_DEC, VALS(subsystem), 0x0,
 301                 "HP-UX Subsystem/Driver", HFILL }},
 302
 303         { &hf_nettl_devid,
 304         { "Device ID", "nettl.devid", FT_INT32, BASE_DEC, NULL, 0x0,
 305                 "HP-UX Device ID", HFILL }},
 306
 307         { &hf_nettl_kind,
 308         { "Trace Kind", "nettl.kind", FT_UINT32, BASE_HEX, VALS(trace_kind), 0x0,
 309                 "HP-UX Trace record kind", HFILL}},
 310
 311         { &hf_nettl_pid,
 312         { "Process ID (pid/ktid)", "nettl.pid", FT_INT32, BASE_DEC, NULL, 0x0,
 313                 "HP-UX Process/thread id", HFILL}},
 314
 315         { &hf_nettl_uid,
 316         { "User ID (uid)", "nettl.uid", FT_UINT16, BASE_DEC, NULL, 0x0,
 317                 "HP-UX User ID", HFILL}}
 318
 319   };
 320
 321   /* Setup protocol subtree array */
 322
 323   static gint *ett[] = {
 324     &ett_nettl
 325   };
 326
 327   /* Register the protocol name and description */
 328
 329   proto_nettl = proto_register_protocol("HP-UX Network Tracing and Logging", "nettl", "nettl");
 330
 331   /* Required function calls to register the header fields and subtrees used */
 332
 333   proto_register_field_array(proto_nettl, hf, array_length(hf));
 334   proto_register_subtree_array(ett, array_length(ett));
 335
 336 }
 337
 338
 339 void
 340 proto_reg_handoff_nettl(void)
 341 {
 342   dissector_handle_t nettl_handle;
 343
 344   /*
 345    * Get handles for the Ethernet, Token Ring, FDDI, and RAW dissectors.
 346    */
 347   eth_withoutfcs_handle = find_dissector("eth_withoutfcs");
 348   tr_handle = find_dissector("tr");
 349   lapb_handle = find_dissector("lapb");
 350   x25_handle = find_dissector("x.25");
 351   sctp_handle = find_dissector("sctp");
 352   data_handle = find_dissector("data");
 353   wtap_dissector_table = find_dissector_table("wtap_encap");
 354   ip_proto_dissector_table = find_dissector_table("ip.proto");
 355   tcp_subdissector_table = find_dissector_table("tcp.port");
 356
 357   nettl_handle = create_dissector_handle(dissect_nettl, proto_nettl);
 358   dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_ETHERNET, nettl_handle);
 359   dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_TOKEN_RING, nettl_handle);
 360   dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_FDDI, nettl_handle);
 361   dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_RAW_IP, nettl_handle);
 362   dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_RAW_ICMP, nettl_handle);
 363   dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_RAW_ICMPV6, nettl_handle);
 364   dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_RAW_TELNET, nettl_handle);
 365   dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_X25, nettl_handle);
 366   dissector_add_uint("wtap_encap", WTAP_ENCAP_NETTL_UNKNOWN, nettl_handle);
 367
 368 }