dist/tcpdump/interface.h

   1 /*      $NetBSD: interface.h,v 1.7 2007/07/24 11:53:39 drochner Exp $   */
   2
   3 /*
   4  * Copyright (c) 1988-2002
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that: (1) source code distributions
   9  * retain the above copyright notice and this paragraph in its entirety, (2)
  10  * distributions including binary code include the above copyright notice and
  11  * this paragraph in its entirety in the documentation or other materials
  12  * provided with the distribution, and (3) all advertising materials mentioning
  13  * features or use of this software display the following acknowledgement:
  14  * ``This product includes software developed by the University of California,
  15  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  16  * the University nor the names of its contributors may be used to endorse
  17  * or promote products derived from this software without specific prior
  18  * written permission.
  19  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  20  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  21  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  22  *
  23  * @(#) Header: /tcpdump/master/tcpdump/interface.h,v 1.244.2.21 2007/03/28 07:45:46 hannes Exp (LBL)
  24  */
  25
  26 #ifndef tcpdump_interface_h
  27 #define tcpdump_interface_h
  28
  29 #ifdef HAVE_OS_PROTO_H
  30 #include "os-proto.h"
  31 #endif
  32
  33 #ifndef HAVE___ATTRIBUTE__
  34 #define __attribute__(x)
  35 #endif
  36
  37 /* snprintf et al */
  38
  39 #include <stdarg.h>
  40
  41 #if HAVE_STDINT_H
  42 #include <stdint.h>
  43 #endif
  44
  45 #if !defined(HAVE_SNPRINTF)
  46 int snprintf(char *, size_t, const char *, ...)
  47      __attribute__((format(printf, 3, 4)));
  48 #endif
  49
  50 #if !defined(HAVE_VSNPRINTF)
  51 int vsnprintf(char *, size_t, const char *, va_list)
  52      __attribute__((format(printf, 3, 0)));
  53 #endif
  54
  55 #ifndef HAVE_STRLCAT
  56 extern size_t strlcat(char *, const char *, size_t);
  57 #endif
  58 #ifndef HAVE_STRLCPY
  59 extern size_t strlcpy(char *, const char *, size_t);
  60 #endif
  61
  62 #ifndef HAVE_STRDUP
  63 extern char *strdup(const char *);
  64 #endif
  65
  66 #ifndef HAVE_STRSEP
  67 extern char *strsep(char **, const char *);
  68 #endif
  69
  70 #define PT_VAT          1       /* Visual Audio Tool */
  71 #define PT_WB           2       /* distributed White Board */
  72 #define PT_RPC          3       /* Remote Procedure Call */
  73 #define PT_RTP          4       /* Real-Time Applications protocol */
  74 #define PT_RTCP         5       /* Real-Time Applications control protocol */
  75 #define PT_SNMP         6       /* Simple Network Management Protocol */
  76 #define PT_CNFP         7       /* Cisco NetFlow protocol */
  77 #define PT_TFTP         8       /* trivial file transfer protocol */
  78 #define PT_AODV         9       /* Ad-hoc On-demand Distance Vector Protocol */
  79
  80 #ifndef min
  81 #define min(a,b) ((a)>(b)?(b):(a))
  82 #endif
  83 #ifndef max
  84 #define max(a,b) ((b)>(a)?(b):(a))
  85 #endif
  86
  87 /*
  88  * The default snapshot length.  This value allows most printers to print
  89  * useful information while keeping the amount of unwanted data down.
  90  */
  91 #ifndef INET6
  92 #define DEFAULT_SNAPLEN 68      /* ether + IPv4 + TCP + 14 */
  93 #else
  94 #define DEFAULT_SNAPLEN 96      /* ether + IPv6 + TCP + 22 */
  95 #endif
  96
  97 #ifndef BIG_ENDIAN
  98 #define BIG_ENDIAN 4321
  99 #define LITTLE_ENDIAN 1234
 100 #endif
 101
 102 #define ESRC(ep) ((ep)->ether_shost)
 103 #define EDST(ep) ((ep)->ether_dhost)
 104
 105 #ifndef NTOHL
 106 #define NTOHL(x)        (x) = ntohl(x)
 107 #define NTOHS(x)        (x) = ntohs(x)
 108 #define HTONL(x)        (x) = htonl(x)
 109 #define HTONS(x)        (x) = htons(x)
 110 #endif
 111 #endif
 112
 113 #ifndef MIN
 114 #define MIN(a,b) ((a)<(b)?(a):(b))
 115 #endif
 116
 117 extern char *program_name;      /* used to generate self-identifying messages */
 118
 119 extern int32_t thiszone;        /* seconds offset from gmt to local time */
 120
 121 /*
 122  * True if  "l" bytes of "var" were captured.
 123  *
 124  * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large
 125  * that "snapend - (l)" underflows.
 126  *
 127  * The check is for <= rather than < because "l" might be 0.
 128  */
 129 #define TTEST2(var, l) (snapend - (l) <= snapend && \
 130                         (const u_char *)&(var) <= snapend - (l))
 131
 132 /* True if "var" was captured */
 133 #define TTEST(var) TTEST2(var, sizeof(var))
 134
 135 /* Bail if "l" bytes of "var" were not captured */
 136 #define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc
 137
 138 /* Bail if "var" was not captured */
 139 #define TCHECK(var) TCHECK2(var, sizeof(var))
 140
 141 extern void ts_print(const struct timeval *);
 142 extern void relts_print(int);
 143
 144 extern int fn_print(const u_char *, const u_char *);
 145 extern int fn_printn(const u_char *, u_int, const u_char *);
 146 extern int fn_printzp(const u_char *, u_int, const u_char *);
 147 extern int mask2plen(u_int32_t);
 148 extern const char *tok2strary_internal(const char **, int, const char *, int);
 149 #define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i)
 150
 151 extern const char *dnaddr_string(u_short);
 152
 153 extern void error(const char *, ...)
 154     __attribute__((noreturn, format (printf, 1, 2)));
 155 extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
 156
 157 extern char *read_infile(char *);
 158 extern char *copy_argv(char **);
 159
 160 extern void safeputchar(int);
 161 extern void safeputs(const char *, int);
 162
 163 extern const char *isonsap_string(const u_char *, register u_int);
 164 extern const char *protoid_string(const u_char *);
 165 extern const char *ipxsap_string(u_short);
 166 extern const char *dnname_string(u_short);
 167 extern const char *dnnum_string(u_short);
 168
 169 /* The printer routines. */
 170
 171 #include <pcap.h>
 172
 173 extern int print_unknown_data(const u_char *, const char *,int);
 174 extern void ascii_print(const u_char *, u_int);
 175 extern void hex_and_ascii_print_with_offset(const char *, const u_char *,
 176         u_int, u_int);
 177 extern void hex_and_ascii_print(const char *, const u_char *, u_int);
 178 extern void hex_print_with_offset(const char *, const u_char *, u_int, u_int);
 179 extern void hex_print(const char *, const u_char *, u_int);
 180 extern void telnet_print(const u_char *, u_int);
 181 extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *);
 182 extern int llc_print(const u_char *, u_int, u_int, const u_char *,
 183         const u_char *, u_short *);
 184 extern int snap_print(const u_char *, u_int, u_int, u_short *, u_int);
 185 extern void aarp_print(const u_char *, u_int);
 186 extern void aodv_print(const u_char *, u_int, int);
 187 extern void atalk_print(const u_char *, u_int);
 188 extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int);
 189 extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *);
 190 extern u_int sunatm_if_print(const struct pcap_pkthdr *, const u_char *);
 191 extern int oam_print(const u_char *, u_int, u_int);
 192 extern void bootp_print(const u_char *, u_int);
 193 extern void bgp_print(const u_char *, int);
 194 extern void beep_print(const u_char *, u_int);
 195 extern void cnfp_print(const u_char *, const u_char *);
 196 extern void decnet_print(const u_char *, u_int, u_int);
 197 extern void default_print(const u_char *, u_int);
 198 extern void dvmrp_print(const u_char *, u_int);
 199 extern void egp_print(const u_char *, u_int);
 200 extern u_int enc_if_print(const struct pcap_pkthdr *, const u_char *);
 201 extern u_int pflog_if_print(const struct pcap_pkthdr *, const u_char *);
 202 extern u_int pfsync_if_print(const struct pcap_pkthdr *, const u_char *);
 203 extern void pfsync_ip_print(const u_char*, u_int, const u_char *);
 204 extern u_int arcnet_if_print(const struct pcap_pkthdr *, const u_char *);
 205 extern u_int arcnet_linux_if_print(const struct pcap_pkthdr *, const u_char *);
 206 extern void ether_print(const u_char *, u_int, u_int);
 207 extern u_int ether_if_print(const struct pcap_pkthdr *, const u_char *);
 208 extern u_int token_print(const u_char *, u_int, u_int);
 209 extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *);
 210 extern void fddi_print(const u_char *, u_int, u_int);
 211 extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *);
 212 extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *);
 213 extern u_int mfr_if_print(const struct pcap_pkthdr *, const u_char *);
 214 extern u_int fr_print(register const u_char *, u_int);
 215 extern u_int mfr_print(register const u_char *, u_int);
 216 extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *);
 217 extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *,
 218         const u_char *);
 219 extern u_int ap1394_if_print(const struct pcap_pkthdr *, const u_char *);
 220 extern void gre_print(const u_char *, u_int);
 221 extern void icmp_print(const u_char *, u_int, const u_char *, int);
 222 extern void igmp_print(const u_char *, u_int);
 223 extern void igrp_print(const u_char *, u_int, const u_char *);
 224 extern void ipN_print(const u_char *, u_int);
 225 extern u_int ipfc_if_print(const struct pcap_pkthdr *, const u_char *);
 226 extern void ipx_print(const u_char *, u_int);
 227 extern void isoclns_print(const u_char *, u_int, u_int);
 228 extern void krb_print(const u_char *);
 229 extern u_int llap_print(const u_char *, u_int);
 230 extern u_int ltalk_if_print(const struct pcap_pkthdr *, const u_char *);
 231 extern void msdp_print(const unsigned char *, u_int);
 232 extern void nfsreply_print(const u_char *, u_int, const u_char *);
 233 extern void nfsreq_print(const u_char *, u_int, const u_char *);
 234 extern void ns_print(const u_char *, u_int, int);
 235 extern void ntp_print(const u_char *, u_int);
 236 extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *);
 237 extern void ospf_print(const u_char *, u_int, const u_char *);
 238 extern void olsr_print (const u_char *, u_int);
 239 extern void pimv1_print(const u_char *, u_int);
 240 extern void cisco_autorp_print(const u_char *, u_int);
 241 extern void rsvp_print(const u_char *, u_int);
 242 extern void ldp_print(const u_char *, u_int);
 243 extern void lmp_print(const u_char *, u_int);
 244 extern void lspping_print(const u_char *, u_int);
 245 extern void eigrp_print(const u_char *, u_int);
 246 extern void mobile_print(const u_char *, u_int);
 247 extern void pim_print(const u_char *, u_int);
 248 extern u_int pppoe_print(const u_char *, u_int);
 249 extern u_int ppp_print(register const u_char *, u_int);
 250 extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *);
 251 extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *);
 252 extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *);
 253 extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *);
 254 extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *);
 255 extern void q933_print(const u_char *, u_int);
 256 extern int vjc_print(register const char *, u_short);
 257 extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *);
 258 extern void rip_print(const u_char *, u_int);
 259 extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *);
 260 extern void lane_print(const u_char *, u_int, u_int);
 261 extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *);
 262 extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *);
 263 extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *);
 264 extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *);
 265 extern u_int chdlc_print(register const u_char *, u_int);
 266 extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *);
 267 extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *);
 268 extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *);
 269 extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *);
 270 extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *);
 271 extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *);
 272 extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *);
 273 extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *);
 274 extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *);
 275 extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *);
 276 extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *);
 277 extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *);
 278 extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *);
 279 extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *);
 280 extern u_int juniper_chdlc_print(const struct pcap_pkthdr *, const u_char *);
 281 extern u_int sll_if_print(const struct pcap_pkthdr *, const u_char *);
 282 extern void snmp_print(const u_char *, u_int);
 283 extern void sunrpcrequest_print(const u_char *, u_int, const u_char *);
 284 extern u_int symantec_if_print(const struct pcap_pkthdr *, const u_char *);
 285 extern void tcp_print(const u_char *, u_int, const u_char *, int);
 286 extern void tftp_print(const u_char *, u_int);
 287 extern void timed_print(const u_char *);
 288 extern void udp_print(const u_char *, u_int, const u_char *, int);
 289 extern void wb_print(const void *, u_int);
 290 extern int ah_print(register const u_char *);
 291 extern int ipcomp_print(register const u_char *, int *);
 292 extern void rx_print(register const u_char *, int, int, int, u_char *);
 293 extern void netbeui_print(u_short, const u_char *, int);
 294 extern void ipx_netbios_print(const u_char *, u_int);
 295 extern void nbt_tcp_print(const u_char *, int);
 296 extern void nbt_udp137_print(const u_char *, int);
 297 extern void nbt_udp138_print(const u_char *, int);
 298 extern char *smb_errstr(int, int);
 299 extern const char *nt_errstr(u_int32_t);
 300 extern void print_data(const unsigned char *, int);
 301 extern void l2tp_print(const u_char *, u_int);
 302 extern void vrrp_print(const u_char *, u_int, int);
 303 extern void slow_print(const u_char *, u_int);
 304 extern void pgm_print(const u_char *, u_int, const u_char *);
 305 extern void cdp_print(const u_char *, u_int, u_int);
 306 extern void stp_print(const u_char *, u_int);
 307 extern void radius_print(const u_char *, u_int);
 308 extern void lwres_print(const u_char *, u_int);
 309 extern void pptp_print(const u_char *);
 310 extern void dccp_print(const u_char *, const u_char *, u_int);
 311 extern void sctp_print(const u_char *, const u_char *, u_int);
 312 extern void mpls_print(const u_char *, u_int);
 313 extern void mpls_lsp_ping_print(const u_char *, u_int);
 314 extern void zephyr_print(const u_char *, int);
 315 extern void hsrp_print(const u_char *, u_int);
 316 extern void bfd_print(const u_char *, u_int, u_int);
 317 extern void sip_print(const u_char *, u_int);
 318 extern void syslog_print(const u_char *, u_int);
 319
 320 #ifdef INET6
 321 extern void ip6_print(const u_char *, u_int);
 322 extern void ip6_opt_print(const u_char *, int);
 323 extern int hbhopt_print(const u_char *);
 324 extern int dstopt_print(const u_char *);
 325 extern int frag6_print(const u_char *, const u_char *);
 326 extern int mobility_print(const u_char *, const u_char *);
 327 extern void icmp6_print(const u_char *, u_int, const u_char *, int);
 328 extern void ripng_print(const u_char *, unsigned int);
 329 extern int rt6_print(const u_char *, const u_char *);
 330 extern void ospf6_print(const u_char *, u_int);
 331 extern void dhcp6_print(const u_char *, u_int);
 332 #endif /*INET6*/
 333 extern u_short in_cksum(const u_short *, register u_int, int);
 334 extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t);
 335
 336 #ifndef HAVE_BPF_DUMP
 337 struct bpf_program;
 338
 339 extern void bpf_dump(struct bpf_program *, int);
 340
 341 #endif
 342
 343 #include "netdissect.h"
 344
 345 /* forward compatibility */
 346
 347 extern netdissect_options *gndo;
 348
 349 #define eflag gndo->ndo_eflag
 350 #define fflag gndo->ndo_fflag
 351 #define nflag gndo->ndo_nflag
 352 #define Nflag gndo->ndo_Nflag
 353 #define Oflag gndo->ndo_Oflag
 354 #define pflag gndo->ndo_pflag
 355 #define qflag gndo->ndo_qflag
 356 #define Rflag gndo->ndo_Rflag
 357 #define sflag gndo->ndo_sflag
 358 #define Sflag gndo->ndo_Sflag
 359 #define tflag gndo->ndo_tflag
 360 #define Uflag gndo->ndo_Uflag
 361 #define uflag gndo->ndo_uflag
 362 #define vflag gndo->ndo_vflag
 363 #define xflag gndo->ndo_xflag
 364 #define Xflag gndo->ndo_Xflag
 365 #define Cflag gndo->ndo_Cflag
 366 #define Aflag gndo->ndo_Aflag
 367 #define suppress_default_print gndo->ndo_suppress_default_print
 368 #define packettype gndo->ndo_packettype
 369 #define tcpmd5secret gndo->ndo_tcpmd5secret
 370 #define Wflag gndo->ndo_Wflag
 371 #define WflagChars gndo->ndo_WflagChars
 372 #define Cflag_count gndo->ndo_Cflag_count
 373 #define snaplen     gndo->ndo_snaplen
 374 #define snapend     gndo->ndo_snapend
 375