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 1.244.2.21 2007/03/28 07:45:46 hannes 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 /* The printer routines. */ 168 169 #include <pcap.h> 170 171 extern int print_unknown_data(const u_char *, const char *,int); 172 extern void ascii_print(const u_char *, u_int); 173 extern void hex_and_ascii_print_with_offset(const char *, const u_char *, 174 u_int, u_int); 175 extern void hex_and_ascii_print(const char *, const u_char *, u_int); 176 extern void hex_print_with_offset(const char *, const u_char *, u_int, u_int); 177 extern void hex_print(const char *, const u_char *, u_int); 178 extern void telnet_print(const u_char *, u_int); 179 extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *); 180 extern int llc_print(const u_char *, u_int, u_int, const u_char *, 181 const u_char *, u_short *); 182 extern int snap_print(const u_char *, u_int, u_int, u_short *, u_int); 183 extern void aarp_print(const u_char *, u_int); 184 extern void aodv_print(const u_char *, u_int, int); 185 extern void atalk_print(const u_char *, u_int); 186 extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int); 187 extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *); 188 extern u_int sunatm_if_print(const struct pcap_pkthdr *, const u_char *); 189 extern int oam_print(const u_char *, u_int, u_int); 190 extern void bootp_print(const u_char *, u_int); 191 extern void bgp_print(const u_char *, int); 192 extern void beep_print(const u_char *, u_int); 193 extern void cnfp_print(const u_char *, const u_char *); 194 extern void decnet_print(const u_char *, u_int, u_int); 195 extern void default_print(const u_char *, u_int); 196 extern void dvmrp_print(const u_char *, u_int); 197 extern void egp_print(const u_char *, u_int); 198 extern u_int enc_if_print(const struct pcap_pkthdr *, const u_char *); 199 extern u_int pflog_if_print(const struct pcap_pkthdr *, const u_char *); 200 extern u_int arcnet_if_print(const struct pcap_pkthdr *, const u_char *); 201 extern u_int arcnet_linux_if_print(const struct pcap_pkthdr *, const u_char *); 202 extern void ether_print(const u_char *, u_int, u_int); 203 extern u_int ether_if_print(const struct pcap_pkthdr *, const u_char *); 204 extern u_int token_print(const u_char *, u_int, u_int); 205 extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *); 206 extern void fddi_print(const u_char *, u_int, u_int); 207 extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *); 208 extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *); 209 extern u_int mfr_if_print(const struct pcap_pkthdr *, const u_char *); 210 extern u_int fr_print(register const u_char *, u_int); 211 extern u_int mfr_print(register const u_char *, u_int); 212 extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *); 213 extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *, 214 const u_char *); 215 extern u_int ap1394_if_print(const struct pcap_pkthdr *, const u_char *); 216 extern void gre_print(const u_char *, u_int); 217 extern void icmp_print(const u_char *, u_int, const u_char *, int); 218 extern void igmp_print(const u_char *, u_int); 219 extern void igrp_print(const u_char *, u_int, const u_char *); 220 extern void ipN_print(const u_char *, u_int); 221 extern u_int ipfc_if_print(const struct pcap_pkthdr *, const u_char *); 222 extern void ipx_print(const u_char *, u_int); 223 extern void isoclns_print(const u_char *, u_int, u_int); 224 extern void krb_print(const u_char *); 225 extern u_int llap_print(const u_char *, u_int); 226 extern u_int ltalk_if_print(const struct pcap_pkthdr *, const u_char *); 227 extern void msdp_print(const unsigned char *, u_int); 228 extern void nfsreply_print(const u_char *, u_int, const u_char *); 229 extern void nfsreq_print(const u_char *, u_int, const u_char *); 230 extern void ns_print(const u_char *, u_int, int); 231 extern void ntp_print(const u_char *, u_int); 232 extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *); 233 extern void ospf_print(const u_char *, u_int, const u_char *); 234 extern void olsr_print (const u_char *, u_int); 235 extern void pimv1_print(const u_char *, u_int); 236 extern void cisco_autorp_print(const u_char *, u_int); 237 extern void rsvp_print(const u_char *, u_int); 238 extern void ldp_print(const u_char *, u_int); 239 extern void lmp_print(const u_char *, u_int); 240 extern void lspping_print(const u_char *, u_int); 241 extern void eigrp_print(const u_char *, u_int); 242 extern void mobile_print(const u_char *, u_int); 243 extern void pim_print(const u_char *, u_int); 244 extern u_int pppoe_print(const u_char *, u_int); 245 extern u_int ppp_print(register const u_char *, u_int); 246 extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *); 247 extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *); 248 extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 249 extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *); 250 extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *); 251 extern void q933_print(const u_char *, u_int); 252 extern int vjc_print(register const char *, u_short); 253 extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *); 254 extern void rip_print(const u_char *, u_int); 255 extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *); 256 extern void lane_print(const u_char *, u_int, u_int); 257 extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *); 258 extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *); 259 extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 260 extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *); 261 extern u_int chdlc_print(register const u_char *, u_int); 262 extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *); 263 extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *); 264 extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *); 265 extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *); 266 extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *); 267 extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *); 268 extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *); 269 extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *); 270 extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *); 271 extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *); 272 extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *); 273 extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *); 274 extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *); 275 extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *); 276 extern u_int juniper_chdlc_print(const struct pcap_pkthdr *, const u_char *); 277 extern u_int sll_if_print(const struct pcap_pkthdr *, const u_char *); 278 extern void snmp_print(const u_char *, u_int); 279 extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 280 extern u_int symantec_if_print(const struct pcap_pkthdr *, const u_char *); 281 extern void tcp_print(const u_char *, u_int, const u_char *, int); 282 extern void tftp_print(const u_char *, u_int); 283 extern void timed_print(const u_char *); 284 extern void udp_print(const u_char *, u_int, const u_char *, int); 285 extern void wb_print(const void *, u_int); 286 extern int ah_print(register const u_char *); 287 extern int ipcomp_print(register const u_char *, int *); 288 extern void rx_print(register const u_char *, int, int, int, u_char *); 289 extern void netbeui_print(u_short, const u_char *, int); 290 extern void ipx_netbios_print(const u_char *, u_int); 291 extern void nbt_tcp_print(const u_char *, int); 292 extern void nbt_udp137_print(const u_char *, int); 293 extern void nbt_udp138_print(const u_char *, int); 294 extern char *smb_errstr(int, int); 295 extern const char *nt_errstr(u_int32_t); 296 extern void print_data(const unsigned char *, int); 297 extern void l2tp_print(const u_char *, u_int); 298 extern void vrrp_print(const u_char *, u_int, int); 299 extern void slow_print(const u_char *, u_int); 300 extern void pgm_print(const u_char *, u_int, const u_char *); 301 extern void cdp_print(const u_char *, u_int, u_int); 302 extern void stp_print(const u_char *, u_int); 303 extern void radius_print(const u_char *, u_int); 304 extern void lwres_print(const u_char *, u_int); 305 extern void pptp_print(const u_char *); 306 extern void dccp_print(const u_char *, const u_char *, u_int); 307 extern void sctp_print(const u_char *, const u_char *, u_int); 308 extern void mpls_print(const u_char *, u_int); 309 extern void mpls_lsp_ping_print(const u_char *, u_int); 310 extern void zephyr_print(const u_char *, int); 311 extern void hsrp_print(const u_char *, u_int); 312 extern void bfd_print(const u_char *, u_int, u_int); 313 extern void sip_print(const u_char *, u_int); 314 extern void syslog_print(const u_char *, u_int); 315 316 #ifdef INET6 317 extern void ip6_print(const u_char *, u_int); 318 extern void ip6_opt_print(const u_char *, int); 319 extern int hbhopt_print(const u_char *); 320 extern int dstopt_print(const u_char *); 321 extern int frag6_print(const u_char *, const u_char *); 322 extern int mobility_print(const u_char *, const u_char *); 323 extern void icmp6_print(const u_char *, u_int, const u_char *, int); 324 extern void ripng_print(const u_char *, unsigned int); 325 extern int rt6_print(const u_char *, const u_char *); 326 extern void ospf6_print(const u_char *, u_int); 327 extern void dhcp6_print(const u_char *, u_int); 328 #endif /*INET6*/ 329 extern u_short in_cksum(const u_short *, register u_int, int); 330 extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 331 332 #ifndef HAVE_BPF_DUMP 333 struct bpf_program; 334 335 extern void bpf_dump(struct bpf_program *, int); 336 337 #endif 338 339 #include "netdissect.h" 340 341 /* forward compatibility */ 342 343 extern netdissect_options *gndo; 344 345 #define eflag gndo->ndo_eflag 346 #define fflag gndo->ndo_fflag 347 #define nflag gndo->ndo_nflag 348 #define Nflag gndo->ndo_Nflag 349 #define Oflag gndo->ndo_Oflag 350 #define pflag gndo->ndo_pflag 351 #define qflag gndo->ndo_qflag 352 #define Rflag gndo->ndo_Rflag 353 #define sflag gndo->ndo_sflag 354 #define Sflag gndo->ndo_Sflag 355 #define tflag gndo->ndo_tflag 356 #define Uflag gndo->ndo_Uflag 357 #define uflag gndo->ndo_uflag 358 #define vflag gndo->ndo_vflag 359 #define xflag gndo->ndo_xflag 360 #define Xflag gndo->ndo_Xflag 361 #define Cflag gndo->ndo_Cflag 362 #define Aflag gndo->ndo_Aflag 363 #define suppress_default_print gndo->ndo_suppress_default_print 364 #define packettype gndo->ndo_packettype 365 #define tcpmd5secret gndo->ndo_tcpmd5secret 366 #define Wflag gndo->ndo_Wflag 367 #define WflagChars gndo->ndo_WflagChars 368 #define Cflag_count gndo->ndo_Cflag_count 369 #define snaplen gndo->ndo_snaplen 370 #define snapend gndo->ndo_snapend 371 372
