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 1.280.2.4 2008-04-04 19:42:52 guy 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 /* checksum routines */ 169 extern void init_checksum(void); 170 extern u_int16_t verify_crc10_cksum(u_int16_t, const u_char *, int); 171 extern u_int16_t create_osi_cksum(const u_int8_t *, int, int); 172 173 /* The printer routines. */ 174 175 #include <pcap.h> 176 177 extern int print_unknown_data(const u_char *, const char *,int); 178 extern void ascii_print(const u_char *, u_int); 179 extern void hex_and_ascii_print_with_offset(const char *, const u_char *, 180 u_int, u_int); 181 extern void hex_and_ascii_print(const char *, const u_char *, u_int); 182 extern void hex_print_with_offset(const char *, const u_char *, u_int, u_int); 183 extern void hex_print(const char *, const u_char *, u_int); 184 extern void telnet_print(const u_char *, u_int); 185 extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *); 186 extern int llc_print(const u_char *, u_int, u_int, const u_char *, 187 const u_char *, u_short *); 188 extern int snap_print(const u_char *, u_int, u_int, u_short *, u_int); 189 extern void aarp_print(const u_char *, u_int); 190 extern void aodv_print(const u_char *, u_int, int); 191 extern void atalk_print(const u_char *, u_int); 192 extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int); 193 extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *); 194 extern u_int sunatm_if_print(const struct pcap_pkthdr *, const u_char *); 195 extern int oam_print(const u_char *, u_int, u_int); 196 extern void bootp_print(const u_char *, u_int); 197 extern void bgp_print(const u_char *, int); 198 extern void beep_print(const u_char *, u_int); 199 extern void cnfp_print(const u_char *, const u_char *); 200 extern void decnet_print(const u_char *, u_int, u_int); 201 extern void default_print(const u_char *, u_int); 202 extern void dvmrp_print(const u_char *, u_int); 203 extern void egp_print(const u_char *, u_int); 204 extern u_int enc_if_print(const struct pcap_pkthdr *, const u_char *); 205 extern u_int pflog_if_print(const struct pcap_pkthdr *, const u_char *); 206 extern u_int arcnet_if_print(const struct pcap_pkthdr *, const u_char *); 207 extern u_int arcnet_linux_if_print(const struct pcap_pkthdr *, const u_char *); 208 extern void ether_print(const u_char *, u_int, u_int); 209 extern u_int ether_if_print(const struct pcap_pkthdr *, const u_char *); 210 extern u_int token_print(const u_char *, u_int, u_int); 211 extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *); 212 extern void fddi_print(const u_char *, u_int, u_int); 213 extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *); 214 extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *); 215 extern u_int mfr_if_print(const struct pcap_pkthdr *, const u_char *); 216 extern u_int fr_print(register const u_char *, u_int); 217 extern u_int mfr_print(register const u_char *, u_int); 218 extern char *q922_string(const u_char *); 219 extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *); 220 extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *, 221 const u_char *); 222 extern u_int ap1394_if_print(const struct pcap_pkthdr *, const u_char *); 223 extern u_int ieee802_11_radio_avs_if_print(const struct pcap_pkthdr *, 224 const u_char *); 225 extern void gre_print(const u_char *, u_int); 226 extern void icmp_print(const u_char *, u_int, const u_char *, int); 227 extern void igmp_print(const u_char *, u_int); 228 extern void igrp_print(const u_char *, u_int, const u_char *); 229 extern void ipN_print(const u_char *, u_int); 230 extern u_int ipfc_if_print(const struct pcap_pkthdr *, const u_char *); 231 extern void ipx_print(const u_char *, u_int); 232 extern void isoclns_print(const u_char *, u_int, u_int); 233 extern void krb_print(const u_char *); 234 extern u_int llap_print(const u_char *, u_int); 235 extern u_int ltalk_if_print(const struct pcap_pkthdr *, const u_char *); 236 extern void msdp_print(const unsigned char *, u_int); 237 extern void nfsreply_print(const u_char *, u_int, const u_char *); 238 extern void nfsreq_print(const u_char *, u_int, const u_char *); 239 extern void ns_print(const u_char *, u_int, int); 240 extern void ntp_print(const u_char *, u_int); 241 extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *); 242 extern void ospf_print(const u_char *, u_int, const u_char *); 243 extern void olsr_print (const u_char *, u_int); 244 extern void pimv1_print(const u_char *, u_int); 245 extern void cisco_autorp_print(const u_char *, u_int); 246 extern void rsvp_print(const u_char *, u_int); 247 extern void ldp_print(const u_char *, u_int); 248 extern void lldp_print(const u_char *, u_int); 249 extern void lmp_print(const u_char *, u_int); 250 extern void lspping_print(const u_char *, u_int); 251 extern void lwapp_control_print(const u_char *, u_int, int); 252 extern void lwapp_data_print(const u_char *, u_int); 253 extern void eigrp_print(const u_char *, u_int); 254 extern void mobile_print(const u_char *, u_int); 255 extern void pim_print(const u_char *, u_int); 256 extern u_int pppoe_print(const u_char *, u_int); 257 extern u_int ppp_print(register const u_char *, u_int); 258 extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *); 259 extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *); 260 extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 261 extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *); 262 extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *); 263 extern void q933_print(const u_char *, u_int); 264 extern int vjc_print(register const char *, u_short); 265 extern void vqp_print(register const u_char *, register u_int); 266 extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *); 267 extern void rip_print(const u_char *, u_int); 268 extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *); 269 extern void lane_print(const u_char *, u_int, u_int); 270 extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *); 271 extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *); 272 extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 273 extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *); 274 extern u_int chdlc_print(register const u_char *, u_int); 275 extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *); 276 extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *); 277 extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *); 278 extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *); 279 extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *); 280 extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *); 281 extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *); 282 extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *); 283 extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *); 284 extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *); 285 extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *); 286 extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *); 287 extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *); 288 extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *); 289 extern u_int juniper_chdlc_print(const struct pcap_pkthdr *, const u_char *); 290 extern u_int sll_if_print(const struct pcap_pkthdr *, const u_char *); 291 extern void snmp_print(const u_char *, u_int); 292 extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 293 extern u_int symantec_if_print(const struct pcap_pkthdr *, const u_char *); 294 extern void tcp_print(const u_char *, u_int, const u_char *, int); 295 extern void tftp_print(const u_char *, u_int); 296 extern void timed_print(const u_char *); 297 extern void udld_print(const u_char *, u_int); 298 extern void udp_print(const u_char *, u_int, const u_char *, int); 299 extern void vtp_print(const u_char *, u_int); 300 extern void wb_print(const void *, u_int); 301 extern int ah_print(register const u_char *); 302 extern int ipcomp_print(register const u_char *, int *); 303 extern void rx_print(register const u_char *, int, int, int, u_char *); 304 extern void netbeui_print(u_short, const u_char *, int); 305 extern void ipx_netbios_print(const u_char *, u_int); 306 extern void nbt_tcp_print(const u_char *, int); 307 extern void nbt_udp137_print(const u_char *, int); 308 extern void nbt_udp138_print(const u_char *, int); 309 extern void smb_tcp_print(const u_char *, int); 310 extern char *smb_errstr(int, int); 311 extern const char *nt_errstr(u_int32_t); 312 extern void print_data(const unsigned char *, int); 313 extern void l2tp_print(const u_char *, u_int); 314 extern void vrrp_print(const u_char *, u_int, int); 315 extern void slow_print(const u_char *, u_int); 316 extern void sflow_print(const u_char *, u_int); 317 extern void mpcp_print(const u_char *, u_int); 318 extern void cfm_print(const u_char *, u_int); 319 extern void pgm_print(const u_char *, u_int, const u_char *); 320 extern void cdp_print(const u_char *, u_int, u_int); 321 extern void dtp_print(const u_char *, u_int); 322 extern void stp_print(const u_char *, u_int); 323 extern void radius_print(const u_char *, u_int); 324 extern void lwres_print(const u_char *, u_int); 325 extern void pptp_print(const u_char *); 326 extern void dccp_print(const u_char *, const u_char *, u_int); 327 extern void sctp_print(const u_char *, const u_char *, u_int); 328 extern void mpls_print(const u_char *, u_int); 329 extern void mpls_lsp_ping_print(const u_char *, u_int); 330 extern void zephyr_print(const u_char *, int); 331 extern void hsrp_print(const u_char *, u_int); 332 extern void bfd_print(const u_char *, u_int, u_int); 333 extern void sip_print(const u_char *, u_int); 334 extern void syslog_print(const u_char *, u_int); 335 extern u_int bt_if_print(const struct pcap_pkthdr *, const u_char *); 336 337 #ifdef INET6 338 extern void ip6_print(const u_char *, u_int); 339 extern void ip6_opt_print(const u_char *, int); 340 extern int hbhopt_print(const u_char *); 341 extern int dstopt_print(const u_char *); 342 extern int frag6_print(const u_char *, const u_char *); 343 extern int mobility_print(const u_char *, const u_char *); 344 extern void icmp6_print(const u_char *, u_int, const u_char *, int); 345 extern void ripng_print(const u_char *, unsigned int); 346 extern int rt6_print(const u_char *, const u_char *); 347 extern void ospf6_print(const u_char *, u_int); 348 extern void dhcp6_print(const u_char *, u_int); 349 #endif /*INET6*/ 350 extern u_short in_cksum(const u_short *, register u_int, int); 351 extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 352 353 #ifndef HAVE_BPF_DUMP 354 struct bpf_program; 355 356 extern void bpf_dump(const struct bpf_program *, int); 357 358 #endif 359 360 #include "netdissect.h" 361 362 /* forward compatibility */ 363 364 #ifndef NETDISSECT_REWORKED 365 extern netdissect_options *gndo; 366 367 #define eflag gndo->ndo_eflag 368 #define fflag gndo->ndo_fflag 369 #define Kflag gndo->ndo_Kflag 370 #define nflag gndo->ndo_nflag 371 #define Nflag gndo->ndo_Nflag 372 #define Oflag gndo->ndo_Oflag 373 #define pflag gndo->ndo_pflag 374 #define qflag gndo->ndo_qflag 375 #define Rflag gndo->ndo_Rflag 376 #define sflag gndo->ndo_sflag 377 #define Sflag gndo->ndo_Sflag 378 #define tflag gndo->ndo_tflag 379 #define Uflag gndo->ndo_Uflag 380 #define uflag gndo->ndo_uflag 381 #define vflag gndo->ndo_vflag 382 #define xflag gndo->ndo_xflag 383 #define Xflag gndo->ndo_Xflag 384 #define Cflag gndo->ndo_Cflag 385 #define Gflag gndo->ndo_Gflag 386 #define Aflag gndo->ndo_Aflag 387 #define Bflag gndo->ndo_Bflag 388 #define Iflag gndo->ndo_Iflag 389 #define suppress_default_print gndo->ndo_suppress_default_print 390 #define packettype gndo->ndo_packettype 391 #define tcpmd5secret gndo->ndo_tcpmd5secret 392 #define Wflag gndo->ndo_Wflag 393 #define WflagChars gndo->ndo_WflagChars 394 #define Cflag_count gndo->ndo_Cflag_count 395 #define Gflag_count gndo->ndo_Gflag_count 396 #define Gflag_time gndo->ndo_Gflag_time 397 #define snaplen gndo->ndo_snaplen 398 #define snapend gndo->ndo_snapend 399 400 #endif 401