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) 40int 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) 48int 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 56extern size_t strlcat(char *, const char *, size_t); 57#endif 58#ifndef HAVE_STRLCPY 59extern size_t strlcpy(char *, const char *, size_t); 60#endif 61 62#ifndef HAVE_STRDUP 63extern char *strdup(const char *); 64#endif 65 66#ifndef HAVE_STRSEP 67extern 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 109extern char *program_name; /* used to generate self-identifying messages */ 110 111extern 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 133extern void ts_print(const struct timeval *); 134extern void relts_print(int); 135 136extern int fn_print(const u_char *, const u_char *); 137extern int fn_printn(const u_char *, u_int, const u_char *); 138extern int fn_printzp(const u_char *, u_int, const u_char *); 139extern int mask2plen(u_int32_t); 140extern 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 143extern const char *dnaddr_string(u_short); 144 145extern void error(const char *, ...) 146 __attribute__((noreturn)) 147#ifdef __ATTRIBUTE___FORMAT_OK 148 __attribute__((format (printf, 1, 2))) 149#endif /* __ATTRIBUTE___FORMAT_OK */ 150 ; 151extern void warning(const char *, ...) 152#ifdef __ATTRIBUTE___FORMAT_OK 153 __attribute__((format (printf, 1, 2))) 154#endif /* __ATTRIBUTE___FORMAT_OK */ 155 ; 156 157extern char *read_infile(char *); 158extern char *copy_argv(char **); 159 160extern void safeputchar(int); 161extern void safeputs(const char *, int); 162 163extern const char *isonsap_string(const u_char *, register u_int); 164extern const char *protoid_string(const u_char *); 165extern const char *ipxsap_string(u_short); 166extern const char *dnname_string(u_short); 167extern const char *dnnum_string(u_short); 168 169/* checksum routines */ 170extern void init_checksum(void); 171extern u_int16_t verify_crc10_cksum(u_int16_t, const u_char *, int); 172extern u_int16_t create_osi_cksum(const u_int8_t *, int, int); 173 174/* The printer routines. */ 175 176#include <pcap.h> 177 178extern int print_unknown_data(const u_char *, const char *,int); 179extern void ascii_print(const u_char *, u_int); 180extern void hex_and_ascii_print_with_offset(const char *, const u_char *, 181 u_int, u_int); 182extern void hex_and_ascii_print(const char *, const u_char *, u_int); 183extern void hex_print_with_offset(const char *, const u_char *, u_int, u_int); 184extern void hex_print(const char *, const u_char *, u_int); 185extern void telnet_print(const u_char *, u_int); 186extern int llc_print(const u_char *, u_int, u_int, const u_char *, 187 const u_char *, u_short *); 188extern int snap_print(const u_char *, u_int, u_int, u_int); 189extern void aarp_print(const u_char *, u_int); 190extern void aodv_print(const u_char *, u_int, int); 191extern void atalk_print(const u_char *, u_int); 192extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int); 193extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *); 194extern u_int sunatm_if_print(const struct pcap_pkthdr *, const u_char *); 195extern int oam_print(const u_char *, u_int, u_int); 196extern void bootp_print(const u_char *, u_int); 197extern void bgp_print(const u_char *, int); 198extern void beep_print(const u_char *, u_int); 199extern void cnfp_print(const u_char *, const u_char *); 200extern void decnet_print(const u_char *, u_int, u_int); 201extern void default_print(const u_char *, u_int); 202extern void dvmrp_print(const u_char *, u_int); 203extern void egp_print(const u_char *, u_int); 204extern u_int enc_if_print(const struct pcap_pkthdr *, const u_char *); 205extern u_int pflog_if_print(const struct pcap_pkthdr *, const u_char *); 206extern u_int arcnet_if_print(const struct pcap_pkthdr *, const u_char *); 207extern u_int arcnet_linux_if_print(const struct pcap_pkthdr *, const u_char *); 208extern u_int token_print(const u_char *, u_int, u_int); 209extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *); 210extern void fddi_print(const u_char *, u_int, u_int); 211extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *); 212extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *); 213extern u_int mfr_if_print(const struct pcap_pkthdr *, const u_char *); 214extern u_int fr_print(register const u_char *, u_int); 215extern u_int mfr_print(register const u_char *, u_int); 216extern char *q922_string(const u_char *); 217extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *); 218extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *, 219 const u_char *); 220extern u_int ap1394_if_print(const struct pcap_pkthdr *, const u_char *); 221extern u_int ieee802_11_radio_avs_if_print(const struct pcap_pkthdr *, 222 const u_char *); 223extern void gre_print(const u_char *, u_int); 224extern void icmp_print(const u_char *, u_int, const u_char *, int); 225extern void igmp_print(const u_char *, u_int); 226extern void igrp_print(const u_char *, u_int, const u_char *); 227extern void ipN_print(const u_char *, u_int); 228extern u_int ipfc_if_print(const struct pcap_pkthdr *, const u_char *); 229extern void ipx_print(const u_char *, u_int); 230extern void isoclns_print(const u_char *, u_int, u_int); 231extern void krb_print(const u_char *); 232extern u_int llap_print(const u_char *, u_int); 233extern u_int ltalk_if_print(const struct pcap_pkthdr *, const u_char *); 234extern void msdp_print(const unsigned char *, u_int); 235extern void nfsreply_print(const u_char *, u_int, const u_char *); 236extern void nfsreply_print_noaddr(const u_char *, u_int, const u_char *); 237extern void nfsreq_print(const u_char *, u_int, const u_char *); 238extern void nfsreq_print_noaddr(const u_char *, u_int, const u_char *); 239extern void ns_print(const u_char *, u_int, int); 240extern const u_char * ns_nprint (register const u_char *, register const u_char *); 241extern void ntp_print(const u_char *, u_int); 242extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *); 243extern void openflow_print(const u_char *, u_int); 244extern void ospf_print(const u_char *, u_int, const u_char *); 245extern void olsr_print (const u_char *, u_int, int); 246extern void pimv1_print(const u_char *, u_int); 247extern void cisco_autorp_print(const u_char *, u_int); 248extern void rsvp_print(const u_char *, u_int); 249extern void ldp_print(const u_char *, u_int); 250extern void lldp_print(const u_char *, u_int); 251extern void rpki_rtr_print(const u_char *, u_int); 252extern void lmp_print(const u_char *, u_int); 253extern void lspping_print(const u_char *, u_int); 254extern void lwapp_control_print(const u_char *, u_int, int); 255extern void lwapp_data_print(const u_char *, u_int); 256extern void eigrp_print(const u_char *, u_int); 257extern void mobile_print(const u_char *, u_int); 258extern void pim_print(const u_char *, u_int, u_int); 259extern u_int pppoe_print(const u_char *, u_int); 260extern u_int ppp_print(register const u_char *, u_int); 261extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *); 262extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *); 263extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 264extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *); 265extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *); 266extern void q933_print(const u_char *, u_int); 267extern int vjc_print(register const char *, u_short); 268extern void vqp_print(register const u_char *, register u_int); 269extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *); 270extern void rip_print(const u_char *, u_int); 271extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *); 272extern void lane_print(const u_char *, u_int, u_int); 273extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *); 274extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *); 275extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 276extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *); 277extern u_int chdlc_print(register const u_char *, u_int); 278extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *); 279extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *); 280extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *); 281extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *); 282extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *); 283extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *); 284extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *); 285extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *); 286extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *); 287extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *); 288extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *); 289extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *); 290extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *); 291extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *); 292extern u_int juniper_chdlc_print(const struct pcap_pkthdr *, const u_char *); 293extern u_int sll_if_print(const struct pcap_pkthdr *, const u_char *); 294extern void snmp_print(const u_char *, u_int); 295extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 296extern u_int symantec_if_print(const struct pcap_pkthdr *, const u_char *); 297extern void tcp_print(const u_char *, u_int, const u_char *, int); 298extern void tftp_print(const u_char *, u_int); 299extern void timed_print(const u_char *); 300extern void udld_print(const u_char *, u_int); 301extern void udp_print(const u_char *, u_int, const u_char *, int); 302extern void vtp_print(const u_char *, u_int); 303extern void wb_print(const void *, u_int); 304extern int ah_print(register const u_char *); 305extern int ipcomp_print(register const u_char *, int *); 306extern void rx_print(register const u_char *, int, int, int, u_char *); 307extern void netbeui_print(u_short, const u_char *, int); 308extern void ipx_netbios_print(const u_char *, u_int); 309extern void nbt_tcp_print(const u_char *, int); 310extern void nbt_udp137_print(const u_char *, int); 311extern void nbt_udp138_print(const u_char *, int); 312extern void smb_tcp_print(const u_char *, int); 313extern char *smb_errstr(int, int); 314extern const char *nt_errstr(u_int32_t); 315extern void print_data(const unsigned char *, int); 316extern void l2tp_print(const u_char *, u_int); 317extern void vrrp_print(const u_char *, u_int, int); 318extern void carp_print(const u_char *, u_int, int); 319extern void slow_print(const u_char *, u_int); 320extern void sflow_print(const u_char *, u_int); 321extern void mpcp_print(const u_char *, u_int); 322extern void cfm_print(const u_char *, u_int); 323extern void pgm_print(const u_char *, u_int, const u_char *); 324extern void cdp_print(const u_char *, u_int, u_int); 325extern void dtp_print(const u_char *, u_int); 326extern void stp_print(const u_char *, u_int); 327extern void radius_print(const u_char *, u_int); 328extern void lwres_print(const u_char *, u_int); 329extern void pptp_print(const u_char *); 330extern void dccp_print(const u_char *, const u_char *, u_int); 331extern void sctp_print(const u_char *, const u_char *, u_int); 332extern void forces_print(const u_char *, u_int); 333extern void mpls_print(const u_char *, u_int); 334extern void mpls_lsp_ping_print(const u_char *, u_int); 335extern void zephyr_print(const u_char *, int); 336extern void zmtp1_print(const u_char *, u_int); 337extern void zmtp1_print_datagram(const u_char *, u_int); 338extern void hsrp_print(const u_char *, u_int); 339extern void bfd_print(const u_char *, u_int, u_int); 340extern void sip_print(const u_char *, u_int); 341extern void syslog_print(const u_char *, u_int); 342extern int mptcp_print(const u_char *, u_int, u_char); 343extern u_int bt_if_print(const struct pcap_pkthdr *, const u_char *); 344extern u_int usb_linux_48_byte_print(const struct pcap_pkthdr *, const u_char *); 345extern u_int usb_linux_64_byte_print(const struct pcap_pkthdr *, const u_char *); 346extern void vxlan_print(const u_char *, u_int); 347extern void otv_print(const u_char *, u_int); 348 349 350#ifdef INET6 351extern void ip6_opt_print(const u_char *, int); 352extern int hbhopt_print(const u_char *); 353extern int dstopt_print(const u_char *); 354extern int frag6_print(const u_char *, const u_char *); 355extern int mobility_print(const u_char *, const u_char *); 356extern void ripng_print(const u_char *, unsigned int); 357extern int rt6_print(const u_char *, const u_char *); 358extern void ospf6_print(const u_char *, u_int); 359extern void dhcp6_print(const u_char *, u_int); 360extern void babel_print(const u_char *, u_int); 361extern int mask62plen(const u_char *); 362#endif /*INET6*/ 363 364struct cksum_vec { 365 const u_int8_t *ptr; 366 int len; 367}; 368extern u_int16_t in_cksum(const struct cksum_vec *, int); 369extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 370 371#ifndef HAVE_BPF_DUMP 372struct bpf_program; 373 374extern 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 383extern 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