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 * 22 * @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.244.2.18 2005/09/29 07:46:45 hannes Exp $ (LBL) 23 * $FreeBSD$ 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 extern char *program_name; /* used to generate self-identifying messages */ 114 115 extern int32_t thiszone; /* seconds offset from gmt to local time */ 116 117 /* 118 * True if "l" bytes of "var" were captured. 119 * 120 * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large 121 * that "snapend - (l)" underflows. 122 * 123 * The check is for <= rather than < because "l" might be 0. 124 */ 125 #define TTEST2(var, l) (snapend - (l) <= snapend && \ 126 (const u_char *)&(var) <= snapend - (l)) 127 128 /* True if "var" was captured */ 129 #define TTEST(var) TTEST2(var, sizeof(var)) 130 131 /* Bail if "l" bytes of "var" were not captured */ 132 #define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc 133 134 /* Bail if "var" was not captured */ 135 #define TCHECK(var) TCHECK2(var, sizeof(var)) 136 137 extern void ts_print(const struct timeval *); 138 extern void relts_print(int); 139 140 extern int fn_print(const u_char *, const u_char *); 141 extern int fn_printn(const u_char *, u_int, const u_char *); 142 extern int fn_printzp(const u_char *, u_int, const u_char *); 143 extern int mask2plen(u_int32_t); 144 extern const char *tok2strary_internal(const char **, int, const char *, int); 145 #define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) 146 147 extern const char *dnaddr_string(u_short); 148 149 extern void error(const char *, ...) 150 __attribute__((noreturn, format (printf, 1, 2))); 151 extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2))); 152 153 extern char *read_infile(char *); 154 extern char *copy_argv(char **); 155 156 extern void safeputchar(int); 157 extern void safeputs(const char *); 158 159 extern const char *isonsap_string(const u_char *, register u_int); 160 extern const char *protoid_string(const u_char *); 161 extern const char *ipxsap_string(u_short); 162 extern const char *dnname_string(u_short); 163 extern const char *dnnum_string(u_short); 164 165 /* The printer routines. */ 166 167 #include <pcap.h> 168 169 extern int print_unknown_data(const u_char *, const char *,int); 170 extern void ascii_print(const u_char *, u_int); 171 extern void hex_and_ascii_print_with_offset(const char *, const u_char *, 172 u_int, u_int); 173 extern void hex_and_ascii_print(const char *, const u_char *, u_int); 174 extern void hex_print_with_offset(const char *, const u_char *, u_int, u_int); 175 extern void hex_print(const char *, const u_char *, u_int); 176 extern void telnet_print(const u_char *, u_int); 177 extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *); 178 extern int llc_print(const u_char *, u_int, u_int, const u_char *, 179 const u_char *, u_short *); 180 extern int snap_print(const u_char *, u_int, u_int, u_short *, u_int); 181 extern void aarp_print(const u_char *, u_int); 182 extern void aodv_print(const u_char *, u_int, int); 183 extern void atalk_print(const u_char *, u_int); 184 extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int); 185 extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *); 186 extern u_int sunatm_if_print(const struct pcap_pkthdr *, const u_char *); 187 extern int oam_print(const u_char *, u_int, u_int); 188 extern void bootp_print(const u_char *, u_int); 189 extern void bgp_print(const u_char *, int); 190 extern void beep_print(const u_char *, u_int); 191 extern void cnfp_print(const u_char *, const u_char *); 192 extern void decnet_print(const u_char *, u_int, u_int); 193 extern void default_print(const u_char *, u_int); 194 extern void dvmrp_print(const u_char *, u_int); 195 extern void egp_print(const u_char *, u_int); 196 extern u_int enc_if_print(const struct pcap_pkthdr *, const u_char *); 197 extern u_int pflog_if_print(const struct pcap_pkthdr *, const u_char *); 198 extern u_int arcnet_if_print(const struct pcap_pkthdr *, const u_char *); 199 extern u_int arcnet_linux_if_print(const struct pcap_pkthdr *, const u_char *); 200 extern void ether_print(const u_char *, u_int, u_int); 201 extern u_int ether_if_print(const struct pcap_pkthdr *, const u_char *); 202 extern u_int token_print(const u_char *, u_int, u_int); 203 extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *); 204 extern void fddi_print(const u_char *, u_int, u_int); 205 extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *); 206 extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *); 207 extern u_int fr_print(register const u_char *, u_int); 208 extern u_int mfr_print(register const u_char *, u_int); 209 extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *); 210 extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *, 211 const u_char *); 212 extern u_int ap1394_if_print(const struct pcap_pkthdr *, const u_char *); 213 extern void gre_print(const u_char *, u_int); 214 extern void icmp_print(const u_char *, u_int, const u_char *, int); 215 extern void igmp_print(const u_char *, u_int); 216 extern void igrp_print(const u_char *, u_int, const u_char *); 217 extern void ipN_print(const u_char *, u_int); 218 extern u_int ipfc_if_print(const struct pcap_pkthdr *, const u_char *); 219 extern void ipx_print(const u_char *, u_int); 220 extern void isoclns_print(const u_char *, u_int, u_int); 221 extern void krb_print(const u_char *); 222 extern u_int llap_print(const u_char *, u_int); 223 extern u_int ltalk_if_print(const struct pcap_pkthdr *, const u_char *); 224 extern void msdp_print(const unsigned char *, u_int); 225 extern void nfsreply_print(const u_char *, u_int, const u_char *); 226 extern void nfsreq_print(const u_char *, u_int, const u_char *); 227 extern void ns_print(const u_char *, u_int, int); 228 extern void ntp_print(const u_char *, u_int); 229 extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *); 230 extern void ospf_print(const u_char *, u_int, const u_char *); 231 extern void pimv1_print(const u_char *, u_int); 232 extern void cisco_autorp_print(const u_char *, u_int); 233 extern void rsvp_print(const u_char *, u_int); 234 extern void ldp_print(const u_char *, u_int); 235 extern void lmp_print(const u_char *, u_int); 236 extern void lspping_print(const u_char *, u_int); 237 extern void eigrp_print(const u_char *, u_int); 238 extern void mobile_print(const u_char *, u_int); 239 extern void pim_print(const u_char *, u_int); 240 extern u_int pppoe_print(const u_char *, u_int); 241 extern u_int ppp_print(register const u_char *, u_int); 242 extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *); 243 extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *); 244 extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 245 extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *); 246 extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *); 247 extern void q933_print(const u_char *, u_int); 248 extern int vjc_print(register const char *, u_short); 249 extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *); 250 extern void rip_print(const u_char *, u_int); 251 extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *); 252 extern void lane_print(const u_char *, u_int, u_int); 253 extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *); 254 extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *); 255 extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 256 extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *); 257 extern u_int chdlc_print(register const u_char *, u_int); 258 extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *); 259 extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *); 260 extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *); 261 extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *); 262 extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *); 263 extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *); 264 extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *); 265 extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *); 266 extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *); 267 extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *); 268 extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *); 269 extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *); 270 extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *); 271 extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *); 272 extern u_int juniper_chdlc_print(const struct pcap_pkthdr *, const u_char *); 273 extern u_int sll_if_print(const struct pcap_pkthdr *, const u_char *); 274 extern void snmp_print(const u_char *, u_int); 275 extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 276 extern u_int symantec_if_print(const struct pcap_pkthdr *, const u_char *); 277 extern void tcp_print(const u_char *, u_int, const u_char *, int); 278 extern void tftp_print(const u_char *, u_int); 279 extern void timed_print(const u_char *); 280 extern void udp_print(const u_char *, u_int, const u_char *, int); 281 extern void wb_print(const void *, u_int); 282 extern int ah_print(register const u_char *); 283 extern int ipcomp_print(register const u_char *, int *); 284 extern void rx_print(register const u_char *, int, int, int, u_char *); 285 extern void netbeui_print(u_short, const u_char *, int); 286 extern void ipx_netbios_print(const u_char *, u_int); 287 extern void nbt_tcp_print(const u_char *, int); 288 extern void nbt_udp137_print(const u_char *, int); 289 extern void nbt_udp138_print(const u_char *, int); 290 extern char *smb_errstr(int, int); 291 extern const char *nt_errstr(u_int32_t); 292 extern void print_data(const unsigned char *, int); 293 extern void l2tp_print(const u_char *, u_int); 294 extern void vrrp_print(const u_char *, u_int, int); 295 extern void slow_print(const u_char *, u_int); 296 extern void pgm_print(const u_char *, u_int, const u_char *); 297 extern void cdp_print(const u_char *, u_int, u_int); 298 extern void stp_print(const u_char *, u_int); 299 extern void radius_print(const u_char *, u_int); 300 extern void lwres_print(const u_char *, u_int); 301 extern void pptp_print(const u_char *); 302 extern void dccp_print(const u_char *, const u_char *, u_int); 303 extern void sctp_print(const u_char *, const u_char *, u_int); 304 extern void mpls_print(const u_char *, u_int); 305 extern void mpls_lsp_ping_print(const u_char *, u_int); 306 extern void zephyr_print(const u_char *, int); 307 extern void hsrp_print(const u_char *, u_int); 308 extern void bfd_print(const u_char *, u_int, u_int); 309 extern void sip_print(const u_char *, u_int); 310 extern void syslog_print(const u_char *, u_int); 311 312 #ifdef INET6 313 extern void ip6_print(const u_char *, u_int); 314 extern void ip6_opt_print(const u_char *, int); 315 extern int hbhopt_print(const u_char *); 316 extern int dstopt_print(const u_char *); 317 extern int frag6_print(const u_char *, const u_char *); 318 extern int mobility_print(const u_char *, const u_char *); 319 extern void icmp6_print(const u_char *, u_int, const u_char *, int); 320 extern void ripng_print(const u_char *, unsigned int); 321 extern int rt6_print(const u_char *, const u_char *); 322 extern void ospf6_print(const u_char *, u_int); 323 extern void dhcp6_print(const u_char *, u_int); 324 #endif /*INET6*/ 325 extern u_short in_cksum(const u_short *, register u_int, int); 326 extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 327 328 #ifndef HAVE_BPF_DUMP 329 struct bpf_program; 330 331 extern void bpf_dump(struct bpf_program *, int); 332 333 #endif 334 335 #include "netdissect.h" 336 337 /* forward compatibility */ 338 339 extern netdissect_options *gndo; 340 341 #define eflag gndo->ndo_eflag 342 #define fflag gndo->ndo_fflag 343 #define nflag gndo->ndo_nflag 344 #define Nflag gndo->ndo_Nflag 345 #define Oflag gndo->ndo_Oflag 346 #define pflag gndo->ndo_pflag 347 #define qflag gndo->ndo_qflag 348 #define Rflag gndo->ndo_Rflag 349 #define sflag gndo->ndo_sflag 350 #define Sflag gndo->ndo_Sflag 351 #define tflag gndo->ndo_tflag 352 #define Uflag gndo->ndo_Uflag 353 #define uflag gndo->ndo_uflag 354 #define vflag gndo->ndo_vflag 355 #define xflag gndo->ndo_xflag 356 #define Xflag gndo->ndo_Xflag 357 #define Cflag gndo->ndo_Cflag 358 #define Aflag gndo->ndo_Aflag 359 #define suppress_default_print gndo->ndo_suppress_default_print 360 #define packettype gndo->ndo_packettype 361 #define tcpmd5secret gndo->ndo_tcpmd5secret 362 #define Wflag gndo->ndo_Wflag 363 #define WflagChars gndo->ndo_WflagChars 364 #define Cflag_count gndo->ndo_Cflag_count 365 #define snaplen gndo->ndo_snaplen 366 #define snapend gndo->ndo_snapend 367 368