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 1.285 2008-08-16 11:36:20 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 /* snprintf et al */ 32 33 #include <stdarg.h> 34 35 #if HAVE_STDINT_H 36 #include <stdint.h> 37 #endif 38 39 #if !defined(HAVE_SNPRINTF) 40 int snprintf(char *, size_t, const char *, ...) 41 #ifdef __ATTRIBUTE___FORMAT_OK 42 __attribute__((format(printf, 3, 4))) 43 #endif /* __ATTRIBUTE___FORMAT_OK */ 44 ; 45 #endif /* !defined(HAVE_SNPRINTF) */ 46 47 #if !defined(HAVE_VSNPRINTF) 48 int vsnprintf(char *, size_t, const char *, va_list) 49 #ifdef __ATTRIBUTE___FORMAT_OK 50 __attribute__((format(printf, 3, 0))) 51 #endif /* __ATTRIBUTE___FORMAT_OK */ 52 ; 53 #endif /* !defined(HAVE_VSNPRINTF) */ 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 #define PT_CARP 10 /* Common Address Redundancy Protocol */ 80 #define PT_RADIUS 11 /* RADIUS authentication Protocol */ 81 #define PT_ZMTP1 12 /* ZeroMQ Message Transport Protocol 1.0 */ 82 #define PT_VXLAN 13 /* Virtual eXtensible Local Area Network */ 83 #define PT_PGM 14 /* [UDP-encapsulated] Pragmatic General Multicast */ 84 #define PT_PGM_ZMTP1 15 /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */ 85 #define PT_LMP 16 /* Link Management Protocol */ 86 87 #ifndef min 88 #define min(a,b) ((a)>(b)?(b):(a)) 89 #endif 90 #ifndef max 91 #define max(a,b) ((b)>(a)?(b):(a)) 92 #endif 93 94 #define ESRC(ep) ((ep)->ether_shost) 95 #define EDST(ep) ((ep)->ether_dhost) 96 97 #ifndef NTOHL 98 #define NTOHL(x) (x) = ntohl(x) 99 #define NTOHS(x) (x) = ntohs(x) 100 #define HTONL(x) (x) = htonl(x) 101 #define HTONS(x) (x) = htons(x) 102 #endif 103 #endif 104 105 #ifndef MIN 106 #define MIN(a,b) ((a)<(b)?(a):(b)) 107 #endif 108 109 extern char *program_name; /* used to generate self-identifying messages */ 110 111 extern int32_t thiszone; /* seconds offset from gmt to local time */ 112 113 /* 114 * True if "l" bytes of "var" were captured. 115 * 116 * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large 117 * that "snapend - (l)" underflows. 118 * 119 * The check is for <= rather than < because "l" might be 0. 120 */ 121 #define TTEST2(var, l) (snapend - (l) <= snapend && \ 122 (const u_char *)&(var) <= snapend - (l)) 123 124 /* True if "var" was captured */ 125 #define TTEST(var) TTEST2(var, sizeof(var)) 126 127 /* Bail if "l" bytes of "var" were not captured */ 128 #define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc 129 130 /* Bail if "var" was not captured */ 131 #define TCHECK(var) TCHECK2(var, sizeof(var)) 132 133 extern void ts_print(const struct timeval *); 134 extern void relts_print(int); 135 136 extern int fn_print(const u_char *, const u_char *); 137 extern int fn_printn(const u_char *, u_int, const u_char *); 138 extern int fn_printzp(const u_char *, u_int, const u_char *); 139 extern int mask2plen(u_int32_t); 140 extern const char *tok2strary_internal(const char **, int, const char *, int); 141 #define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) 142 143 extern const char *dnaddr_string(u_short); 144 145 extern void error(const char *, ...) 146 __attribute__((noreturn)) 147 #ifdef __ATTRIBUTE___FORMAT_OK 148 __attribute__((format (printf, 1, 2))) 149 #endif /* __ATTRIBUTE___FORMAT_OK */ 150 ; 151 extern void warning(const char *, ...) 152 #ifdef __ATTRIBUTE___FORMAT_OK 153 __attribute__((format (printf, 1, 2))) 154 #endif /* __ATTRIBUTE___FORMAT_OK */ 155 ; 156 157 extern char *read_infile(char *); 158 extern char *copy_argv(char **); 159 160 extern void safeputchar(int); 161 extern void safeputs(const char *, int); 162 163 extern const char *isonsap_string(const u_char *, register u_int); 164 extern const char *protoid_string(const u_char *); 165 extern const char *ipxsap_string(u_short); 166 extern const char *dnname_string(u_short); 167 extern const char *dnnum_string(u_short); 168 169 /* checksum routines */ 170 extern void init_checksum(void); 171 extern u_int16_t verify_crc10_cksum(u_int16_t, const u_char *, int); 172 extern u_int16_t create_osi_cksum(const u_int8_t *, int, int); 173 174 /* The printer routines. */ 175 176 #include <pcap.h> 177 178 extern int print_unknown_data(const u_char *, const char *,int); 179 extern void ascii_print(const u_char *, u_int); 180 extern void hex_and_ascii_print_with_offset(const char *, const u_char *, 181 u_int, u_int); 182 extern void hex_and_ascii_print(const char *, const u_char *, u_int); 183 extern void hex_print_with_offset(const char *, const u_char *, u_int, u_int); 184 extern void hex_print(const char *, const u_char *, u_int); 185 extern void telnet_print(const u_char *, u_int); 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_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 u_int token_print(const u_char *, u_int, u_int); 209 extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *); 210 extern void fddi_print(const u_char *, u_int, u_int); 211 extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *); 212 extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *); 213 extern u_int mfr_if_print(const struct pcap_pkthdr *, const u_char *); 214 extern u_int fr_print(register const u_char *, u_int); 215 extern u_int mfr_print(register const u_char *, u_int); 216 extern char *q922_string(const u_char *); 217 extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *); 218 extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *, 219 const u_char *); 220 extern u_int ap1394_if_print(const struct pcap_pkthdr *, const u_char *); 221 extern u_int ieee802_11_radio_avs_if_print(const struct pcap_pkthdr *, 222 const u_char *); 223 extern void gre_print(const u_char *, u_int); 224 extern void icmp_print(const u_char *, u_int, const u_char *, int); 225 extern void igmp_print(const u_char *, u_int); 226 extern void igrp_print(const u_char *, u_int, const u_char *); 227 extern void ipN_print(const u_char *, u_int); 228 extern u_int ipfc_if_print(const struct pcap_pkthdr *, const u_char *); 229 extern void ipx_print(const u_char *, u_int); 230 extern void isoclns_print(const u_char *, u_int, u_int); 231 extern void krb_print(const u_char *); 232 extern u_int llap_print(const u_char *, u_int); 233 extern u_int ltalk_if_print(const struct pcap_pkthdr *, const u_char *); 234 extern void msdp_print(const unsigned char *, u_int); 235 extern void nfsreply_print(const u_char *, u_int, const u_char *); 236 extern void nfsreply_print_noaddr(const u_char *, u_int, const u_char *); 237 extern void nfsreq_print(const u_char *, u_int, const u_char *); 238 extern void nfsreq_print_noaddr(const u_char *, u_int, const u_char *); 239 extern void ns_print(const u_char *, u_int, int); 240 extern const u_char * ns_nprint (register const u_char *, register const u_char *); 241 extern void ntp_print(const u_char *, u_int); 242 extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *); 243 extern void openflow_print(const u_char *, u_int); 244 extern void ospf_print(const u_char *, u_int, const u_char *); 245 extern void olsr_print (const u_char *, u_int, int); 246 extern void pimv1_print(const u_char *, u_int); 247 extern void cisco_autorp_print(const u_char *, u_int); 248 extern void rsvp_print(const u_char *, u_int); 249 extern void ldp_print(const u_char *, u_int); 250 extern void lldp_print(const u_char *, u_int); 251 extern void rpki_rtr_print(const u_char *, u_int); 252 extern void lmp_print(const u_char *, u_int); 253 extern void lspping_print(const u_char *, u_int); 254 extern void lwapp_control_print(const u_char *, u_int, int); 255 extern void lwapp_data_print(const u_char *, u_int); 256 extern void eigrp_print(const u_char *, u_int); 257 extern void mobile_print(const u_char *, u_int); 258 extern void pim_print(const u_char *, u_int, u_int); 259 extern u_int pppoe_print(const u_char *, u_int); 260 extern u_int ppp_print(register const u_char *, u_int); 261 extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *); 262 extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *); 263 extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 264 extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *); 265 extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *); 266 extern void q933_print(const u_char *, u_int); 267 extern int vjc_print(register const char *, u_short); 268 extern void vqp_print(register const u_char *, register u_int); 269 extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *); 270 extern void rip_print(const u_char *, u_int); 271 extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *); 272 extern void lane_print(const u_char *, u_int, u_int); 273 extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *); 274 extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *); 275 extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 276 extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *); 277 extern u_int chdlc_print(register const u_char *, u_int); 278 extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *); 279 extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *); 280 extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *); 281 extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *); 282 extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *); 283 extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *); 284 extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *); 285 extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *); 286 extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *); 287 extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *); 288 extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *); 289 extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *); 290 extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *); 291 extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *); 292 extern u_int juniper_chdlc_print(const struct pcap_pkthdr *, const u_char *); 293 extern u_int sll_if_print(const struct pcap_pkthdr *, const u_char *); 294 extern void snmp_print(const u_char *, u_int); 295 extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 296 extern u_int symantec_if_print(const struct pcap_pkthdr *, const u_char *); 297 extern void tcp_print(const u_char *, u_int, const u_char *, int); 298 extern void tftp_print(const u_char *, u_int); 299 extern void timed_print(const u_char *); 300 extern void udld_print(const u_char *, u_int); 301 extern void udp_print(const u_char *, u_int, const u_char *, int); 302 extern void vtp_print(const u_char *, u_int); 303 extern void wb_print(const void *, u_int); 304 extern int ah_print(register const u_char *); 305 extern int ipcomp_print(register const u_char *, int *); 306 extern void rx_print(register const u_char *, int, int, int, u_char *); 307 extern void netbeui_print(u_short, const u_char *, int); 308 extern void ipx_netbios_print(const u_char *, u_int); 309 extern void nbt_tcp_print(const u_char *, int); 310 extern void nbt_udp137_print(const u_char *, int); 311 extern void nbt_udp138_print(const u_char *, int); 312 extern void smb_tcp_print(const u_char *, int); 313 extern char *smb_errstr(int, int); 314 extern const char *nt_errstr(u_int32_t); 315 extern void print_data(const unsigned char *, int); 316 extern void l2tp_print(const u_char *, u_int); 317 extern void vrrp_print(const u_char *, u_int, int); 318 extern void carp_print(const u_char *, u_int, int); 319 extern void slow_print(const u_char *, u_int); 320 extern void sflow_print(const u_char *, u_int); 321 extern void mpcp_print(const u_char *, u_int); 322 extern void cfm_print(const u_char *, u_int); 323 extern void pgm_print(const u_char *, u_int, const u_char *); 324 extern void cdp_print(const u_char *, u_int, u_int); 325 extern void dtp_print(const u_char *, u_int); 326 extern void stp_print(const u_char *, u_int); 327 extern void radius_print(const u_char *, u_int); 328 extern void lwres_print(const u_char *, u_int); 329 extern void pptp_print(const u_char *); 330 extern void dccp_print(const u_char *, const u_char *, u_int); 331 extern void sctp_print(const u_char *, const u_char *, u_int); 332 extern void forces_print(const u_char *, u_int); 333 extern void mpls_print(const u_char *, u_int); 334 extern void mpls_lsp_ping_print(const u_char *, u_int); 335 extern void zephyr_print(const u_char *, int); 336 extern void zmtp1_print(const u_char *, u_int); 337 extern void zmtp1_print_datagram(const u_char *, u_int); 338 extern void hsrp_print(const u_char *, u_int); 339 extern void bfd_print(const u_char *, u_int, u_int); 340 extern void sip_print(const u_char *, u_int); 341 extern void syslog_print(const u_char *, u_int); 342 extern int mptcp_print(const u_char *, u_int, u_char); 343 extern u_int bt_if_print(const struct pcap_pkthdr *, const u_char *); 344 extern u_int usb_linux_48_byte_print(const struct pcap_pkthdr *, const u_char *); 345 extern u_int usb_linux_64_byte_print(const struct pcap_pkthdr *, const u_char *); 346 extern void vxlan_print(const u_char *, u_int); 347 extern void otv_print(const u_char *, u_int); 348 349 350 #ifdef INET6 351 extern void ip6_opt_print(const u_char *, int); 352 extern int hbhopt_print(const u_char *); 353 extern int dstopt_print(const u_char *); 354 extern int frag6_print(const u_char *, const u_char *); 355 extern int mobility_print(const u_char *, const u_char *); 356 extern void ripng_print(const u_char *, unsigned int); 357 extern int rt6_print(const u_char *, const u_char *); 358 extern void ospf6_print(const u_char *, u_int); 359 extern void dhcp6_print(const u_char *, u_int); 360 extern void babel_print(const u_char *, u_int); 361 extern int mask62plen(const u_char *); 362 #endif /*INET6*/ 363 364 struct cksum_vec { 365 const u_int8_t *ptr; 366 int len; 367 }; 368 extern u_int16_t in_cksum(const struct cksum_vec *, int); 369 extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 370 371 #ifndef HAVE_BPF_DUMP 372 struct bpf_program; 373 374 extern void bpf_dump(const struct bpf_program *, int); 375 376 #endif 377 378 #include "netdissect.h" 379 380 /* forward compatibility */ 381 382 #ifndef NETDISSECT_REWORKED 383 extern netdissect_options *gndo; 384 385 #define bflag gndo->ndo_bflag 386 #define eflag gndo->ndo_eflag 387 #define fflag gndo->ndo_fflag 388 #define jflag gndo->ndo_jflag 389 #define Kflag gndo->ndo_Kflag 390 #define nflag gndo->ndo_nflag 391 #define Nflag gndo->ndo_Nflag 392 #define Oflag gndo->ndo_Oflag 393 #define pflag gndo->ndo_pflag 394 #define qflag gndo->ndo_qflag 395 #define Rflag gndo->ndo_Rflag 396 #define sflag gndo->ndo_sflag 397 #define Sflag gndo->ndo_Sflag 398 #define tflag gndo->ndo_tflag 399 #define Uflag gndo->ndo_Uflag 400 #define uflag gndo->ndo_uflag 401 #define vflag gndo->ndo_vflag 402 #define xflag gndo->ndo_xflag 403 #define Xflag gndo->ndo_Xflag 404 #define Cflag gndo->ndo_Cflag 405 #define Gflag gndo->ndo_Gflag 406 #define Aflag gndo->ndo_Aflag 407 #define Bflag gndo->ndo_Bflag 408 #define Iflag gndo->ndo_Iflag 409 #define suppress_default_print gndo->ndo_suppress_default_print 410 #define packettype gndo->ndo_packettype 411 #define sigsecret gndo->ndo_sigsecret 412 #define Wflag gndo->ndo_Wflag 413 #define WflagChars gndo->ndo_WflagChars 414 #define Cflag_count gndo->ndo_Cflag_count 415 #define Gflag_count gndo->ndo_Gflag_count 416 #define Gflag_time gndo->ndo_Gflag_time 417 #define Hflag gndo->ndo_Hflag 418 #define snaplen gndo->ndo_snaplen 419 #define snapend gndo->ndo_snapend 420 421 #endif 422