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 * @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.280.2.4 2008-04-04 19:42:52 guy Exp $ (LBL) 22 */ 23 24 #ifndef tcpdump_interface_h 25 #define tcpdump_interface_h 26 27 #ifdef HAVE_OS_PROTO_H 28 #include "os-proto.h" 29 #endif 30 31 #ifndef HAVE___ATTRIBUTE__ 32 #define __attribute__(x) 33 #endif 34 35 /* snprintf et al */ 36 37 #include <stdarg.h> 38 39 #if HAVE_STDINT_H 40 #include <stdint.h> 41 #endif 42 43 #if !defined(HAVE_SNPRINTF) 44 int snprintf(char *, size_t, const char *, ...) 45 __attribute__((format(printf, 3, 4))); 46 #endif 47 48 #if !defined(HAVE_VSNPRINTF) 49 int vsnprintf(char *, size_t, const char *, va_list) 50 __attribute__((format(printf, 3, 0))); 51 #endif 52 53 #ifndef HAVE_STRLCAT 54 extern size_t strlcat(char *, const char *, size_t); 55 #endif 56 #ifndef HAVE_STRLCPY 57 extern size_t strlcpy(char *, const char *, size_t); 58 #endif 59 60 #ifndef HAVE_STRDUP 61 extern char *strdup(const char *); 62 #endif 63 64 #ifndef HAVE_STRSEP 65 extern char *strsep(char **, const char *); 66 #endif 67 68 #define PT_VAT 1 /* Visual Audio Tool */ 69 #define PT_WB 2 /* distributed White Board */ 70 #define PT_RPC 3 /* Remote Procedure Call */ 71 #define PT_RTP 4 /* Real-Time Applications protocol */ 72 #define PT_RTCP 5 /* Real-Time Applications control protocol */ 73 #define PT_SNMP 6 /* Simple Network Management Protocol */ 74 #define PT_CNFP 7 /* Cisco NetFlow protocol */ 75 #define PT_TFTP 8 /* trivial file transfer protocol */ 76 #define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */ 77 78 #ifndef min 79 #define min(a,b) ((a)>(b)?(b):(a)) 80 #endif 81 #ifndef max 82 #define max(a,b) ((b)>(a)?(b):(a)) 83 #endif 84 85 /* 86 * The default snapshot length. This value allows most printers to print 87 * useful information while keeping the amount of unwanted data down. 88 */ 89 #ifndef INET6 90 #define DEFAULT_SNAPLEN 68 /* ether + IPv4 + TCP + 14 */ 91 #else 92 #define DEFAULT_SNAPLEN 96 /* ether + IPv6 + TCP + 22 */ 93 #endif 94 95 #ifndef BIG_ENDIAN 96 #define BIG_ENDIAN 4321 97 #define LITTLE_ENDIAN 1234 98 #endif 99 100 #define ESRC(ep) ((ep)->ether_shost) 101 #define EDST(ep) ((ep)->ether_dhost) 102 103 #ifndef NTOHL 104 #define NTOHL(x) (x) = ntohl(x) 105 #define NTOHS(x) (x) = ntohs(x) 106 #define HTONL(x) (x) = htonl(x) 107 #define HTONS(x) (x) = htons(x) 108 #endif 109 #endif 110 111 #ifndef MIN 112 #define MIN(a,b) ((a)<(b)?(a):(b)) 113 #endif 114 115 extern char *program_name; /* used to generate self-identifying messages */ 116 117 extern int32_t thiszone; /* seconds offset from gmt to local time */ 118 119 /* 120 * True if "l" bytes of "var" were captured. 121 * 122 * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large 123 * that "snapend - (l)" underflows. 124 * 125 * The check is for <= rather than < because "l" might be 0. 126 */ 127 #define TTEST2(var, l) (snapend - (l) <= snapend && \ 128 (const u_char *)&(var) <= snapend - (l)) 129 130 /* True if "var" was captured */ 131 #define TTEST(var) TTEST2(var, sizeof(var)) 132 133 /* Bail if "l" bytes of "var" were not captured */ 134 #define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc 135 136 /* Bail if "var" was not captured */ 137 #define TCHECK(var) TCHECK2(var, sizeof(var)) 138 139 extern void ts_print(const struct timeval *); 140 extern void relts_print(int); 141 142 extern int fn_print(const u_char *, const u_char *); 143 extern int fn_printn(const u_char *, u_int, const u_char *); 144 extern int fn_printzp(const u_char *, u_int, const u_char *); 145 extern int mask2plen(u_int32_t); 146 extern const char *tok2strary_internal(const char **, int, const char *, int); 147 #define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) 148 149 extern const char *dnaddr_string(u_short); 150 151 extern void error(const char *, ...) 152 __attribute__((noreturn, format (printf, 1, 2))); 153 extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2))); 154 155 extern char *read_infile(char *); 156 extern char *copy_argv(char **); 157 158 extern void safeputchar(int); 159 extern void safeputs(const char *, int); 160 161 extern const char *isonsap_string(const u_char *, register u_int); 162 extern const char *protoid_string(const u_char *); 163 extern const char *ipxsap_string(u_short); 164 extern const char *dnname_string(u_short); 165 extern const char *dnnum_string(u_short); 166 167 /* checksum routines */ 168 extern void init_checksum(void); 169 extern u_int16_t verify_crc10_cksum(u_int16_t, const u_char *, int); 170 extern u_int16_t create_osi_cksum(const u_int8_t *, int, int); 171 172 /* The printer routines. */ 173 174 #include <pcap.h> 175 176 extern int print_unknown_data(const u_char *, const char *,int); 177 extern void ascii_print(const u_char *, u_int); 178 extern void hex_and_ascii_print_with_offset(const char *, const u_char *, 179 u_int, u_int); 180 extern void hex_and_ascii_print(const char *, const u_char *, u_int); 181 extern void hex_print_with_offset(const char *, const u_char *, u_int, u_int); 182 extern void hex_print(const char *, const u_char *, u_int); 183 extern void telnet_print(const u_char *, u_int); 184 extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *); 185 extern int llc_print(const u_char *, u_int, u_int, const u_char *, 186 const u_char *, u_short *); 187 extern int snap_print(const u_char *, u_int, u_int, u_short *, u_int); 188 extern void aarp_print(const u_char *, u_int); 189 extern void aodv_print(const u_char *, u_int, int); 190 extern void atalk_print(const u_char *, u_int); 191 extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int); 192 extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *); 193 extern u_int sunatm_if_print(const struct pcap_pkthdr *, const u_char *); 194 extern int oam_print(const u_char *, u_int, u_int); 195 extern void bootp_print(const u_char *, u_int); 196 extern void bgp_print(const u_char *, int); 197 extern void beep_print(const u_char *, u_int); 198 extern void cnfp_print(const u_char *, const u_char *); 199 extern void decnet_print(const u_char *, u_int, u_int); 200 extern void default_print(const u_char *, u_int); 201 extern void dvmrp_print(const u_char *, u_int); 202 extern void egp_print(const u_char *, u_int); 203 extern u_int enc_if_print(const struct pcap_pkthdr *, const u_char *); 204 extern u_int pflog_if_print(const struct pcap_pkthdr *, const u_char *); 205 extern u_int arcnet_if_print(const struct pcap_pkthdr *, const u_char *); 206 extern u_int arcnet_linux_if_print(const struct pcap_pkthdr *, const u_char *); 207 extern void ether_print(const u_char *, u_int, u_int); 208 extern u_int ether_if_print(const struct pcap_pkthdr *, const u_char *); 209 extern u_int token_print(const u_char *, u_int, u_int); 210 extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *); 211 extern void fddi_print(const u_char *, u_int, u_int); 212 extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *); 213 extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *); 214 extern u_int mfr_if_print(const struct pcap_pkthdr *, const u_char *); 215 extern u_int fr_print(register const u_char *, u_int); 216 extern u_int mfr_print(register const u_char *, u_int); 217 extern char *q922_string(const u_char *); 218 extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *); 219 extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *, 220 const u_char *); 221 extern u_int ap1394_if_print(const struct pcap_pkthdr *, const u_char *); 222 extern u_int ieee802_11_radio_avs_if_print(const struct pcap_pkthdr *, 223 const u_char *); 224 extern void gre_print(const u_char *, u_int); 225 extern void icmp_print(const u_char *, u_int, const u_char *, int); 226 extern void igmp_print(const u_char *, u_int); 227 extern void igrp_print(const u_char *, u_int, const u_char *); 228 extern void ipN_print(const u_char *, u_int); 229 extern u_int ipfc_if_print(const struct pcap_pkthdr *, const u_char *); 230 extern void ipx_print(const u_char *, u_int); 231 extern void isoclns_print(const u_char *, u_int, u_int); 232 extern void krb_print(const u_char *); 233 extern u_int llap_print(const u_char *, u_int); 234 extern u_int ltalk_if_print(const struct pcap_pkthdr *, const u_char *); 235 extern void msdp_print(const unsigned char *, u_int); 236 extern void nfsreply_print(const u_char *, u_int, const u_char *); 237 extern void nfsreq_print(const u_char *, u_int, const u_char *); 238 extern void ns_print(const u_char *, u_int, int); 239 extern void ntp_print(const u_char *, u_int); 240 extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *); 241 extern void ospf_print(const u_char *, u_int, const u_char *); 242 extern void olsr_print (const u_char *, u_int); 243 extern void pimv1_print(const u_char *, u_int); 244 extern void cisco_autorp_print(const u_char *, u_int); 245 extern void rsvp_print(const u_char *, u_int); 246 extern void ldp_print(const u_char *, u_int); 247 extern void lldp_print(const u_char *, u_int); 248 extern void lmp_print(const u_char *, u_int); 249 extern void lspping_print(const u_char *, u_int); 250 extern void lwapp_control_print(const u_char *, u_int, int); 251 extern void lwapp_data_print(const u_char *, u_int); 252 extern void eigrp_print(const u_char *, u_int); 253 extern void mobile_print(const u_char *, u_int); 254 extern void pim_print(const u_char *, u_int); 255 extern u_int pppoe_print(const u_char *, u_int); 256 extern u_int ppp_print(register const u_char *, u_int); 257 extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *); 258 extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *); 259 extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 260 extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *); 261 extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *); 262 extern void q933_print(const u_char *, u_int); 263 extern int vjc_print(register const char *, u_short); 264 extern void vqp_print(register const u_char *, register u_int); 265 extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *); 266 extern void rip_print(const u_char *, u_int); 267 extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *); 268 extern void lane_print(const u_char *, u_int, u_int); 269 extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *); 270 extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *); 271 extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 272 extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *); 273 extern u_int chdlc_print(register const u_char *, u_int); 274 extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *); 275 extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *); 276 extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *); 277 extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *); 278 extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *); 279 extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *); 280 extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *); 281 extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *); 282 extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *); 283 extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *); 284 extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *); 285 extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *); 286 extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *); 287 extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *); 288 extern u_int juniper_chdlc_print(const struct pcap_pkthdr *, const u_char *); 289 extern u_int sll_if_print(const struct pcap_pkthdr *, const u_char *); 290 extern void snmp_print(const u_char *, u_int); 291 extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 292 extern u_int symantec_if_print(const struct pcap_pkthdr *, const u_char *); 293 extern void tcp_print(const u_char *, u_int, const u_char *, int); 294 extern void tftp_print(const u_char *, u_int); 295 extern void timed_print(const u_char *); 296 extern void udld_print(const u_char *, u_int); 297 extern void udp_print(const u_char *, u_int, const u_char *, int); 298 extern void vtp_print(const u_char *, u_int); 299 extern void wb_print(const void *, u_int); 300 extern int ah_print(register const u_char *); 301 extern int ipcomp_print(register const u_char *, int *); 302 extern void rx_print(register const u_char *, int, int, int, u_char *); 303 extern void netbeui_print(u_short, const u_char *, int); 304 extern void ipx_netbios_print(const u_char *, u_int); 305 extern void nbt_tcp_print(const u_char *, int); 306 extern void nbt_udp137_print(const u_char *, int); 307 extern void nbt_udp138_print(const u_char *, int); 308 extern void smb_tcp_print(const u_char *, int); 309 extern char *smb_errstr(int, int); 310 extern const char *nt_errstr(u_int32_t); 311 extern void print_data(const unsigned char *, int); 312 extern void l2tp_print(const u_char *, u_int); 313 extern void vrrp_print(const u_char *, u_int, int); 314 extern void slow_print(const u_char *, u_int); 315 extern void sflow_print(const u_char *, u_int); 316 extern void mpcp_print(const u_char *, u_int); 317 extern void cfm_print(const u_char *, u_int); 318 extern void pgm_print(const u_char *, u_int, const u_char *); 319 extern void cdp_print(const u_char *, u_int, u_int); 320 extern void dtp_print(const u_char *, u_int); 321 extern void stp_print(const u_char *, u_int); 322 extern void radius_print(const u_char *, u_int); 323 extern void lwres_print(const u_char *, u_int); 324 extern void pptp_print(const u_char *); 325 extern void dccp_print(const u_char *, const u_char *, u_int); 326 extern void sctp_print(const u_char *, const u_char *, u_int); 327 extern void mpls_print(const u_char *, u_int); 328 extern void mpls_lsp_ping_print(const u_char *, u_int); 329 extern void zephyr_print(const u_char *, int); 330 extern void hsrp_print(const u_char *, u_int); 331 extern void bfd_print(const u_char *, u_int, u_int); 332 extern void sip_print(const u_char *, u_int); 333 extern void syslog_print(const u_char *, u_int); 334 extern u_int bt_if_print(const struct pcap_pkthdr *, const u_char *); 335 336 #ifdef INET6 337 extern void ip6_print(const u_char *, u_int); 338 extern void ip6_opt_print(const u_char *, int); 339 extern int hbhopt_print(const u_char *); 340 extern int dstopt_print(const u_char *); 341 extern int frag6_print(const u_char *, const u_char *); 342 extern int mobility_print(const u_char *, const u_char *); 343 extern void icmp6_print(const u_char *, u_int, const u_char *, int); 344 extern void ripng_print(const u_char *, unsigned int); 345 extern int rt6_print(const u_char *, const u_char *); 346 extern void ospf6_print(const u_char *, u_int); 347 extern void dhcp6_print(const u_char *, u_int); 348 #endif /*INET6*/ 349 extern u_short in_cksum(const u_short *, register u_int, int); 350 extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 351 352 #ifndef HAVE_BPF_DUMP 353 struct bpf_program; 354 355 extern void bpf_dump(const struct bpf_program *, int); 356 357 #endif 358 359 #include "netdissect.h" 360 361 /* forward compatibility */ 362 363 #ifndef NETDISSECT_REWORKED 364 extern netdissect_options *gndo; 365 366 #define eflag gndo->ndo_eflag 367 #define fflag gndo->ndo_fflag 368 #define Kflag gndo->ndo_Kflag 369 #define nflag gndo->ndo_nflag 370 #define Nflag gndo->ndo_Nflag 371 #define Oflag gndo->ndo_Oflag 372 #define pflag gndo->ndo_pflag 373 #define qflag gndo->ndo_qflag 374 #define Rflag gndo->ndo_Rflag 375 #define sflag gndo->ndo_sflag 376 #define Sflag gndo->ndo_Sflag 377 #define tflag gndo->ndo_tflag 378 #define Uflag gndo->ndo_Uflag 379 #define uflag gndo->ndo_uflag 380 #define vflag gndo->ndo_vflag 381 #define xflag gndo->ndo_xflag 382 #define Xflag gndo->ndo_Xflag 383 #define Cflag gndo->ndo_Cflag 384 #define Gflag gndo->ndo_Gflag 385 #define Aflag gndo->ndo_Aflag 386 #define Bflag gndo->ndo_Bflag 387 #define Iflag gndo->ndo_Iflag 388 #define suppress_default_print gndo->ndo_suppress_default_print 389 #define packettype gndo->ndo_packettype 390 #define tcpmd5secret gndo->ndo_tcpmd5secret 391 #define Wflag gndo->ndo_Wflag 392 #define WflagChars gndo->ndo_WflagChars 393 #define Cflag_count gndo->ndo_Cflag_count 394 #define Gflag_count gndo->ndo_Gflag_count 395 #define Gflag_time gndo->ndo_Gflag_time 396 #define snaplen gndo->ndo_snaplen 397 #define snapend gndo->ndo_snapend 398 399 #endif 400