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