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 __attribute__((format(printf, 3, 4))); 42#endif 43 44#if !defined(HAVE_VSNPRINTF) 45int vsnprintf(char *, size_t, const char *, va_list) 46 __attribute__((format(printf, 3, 0))); 47#endif 48 49#ifndef HAVE_STRLCAT 50extern size_t strlcat(char *, const char *, size_t); 51#endif 52#ifndef HAVE_STRLCPY 53extern size_t strlcpy(char *, const char *, size_t); 54#endif 55 56#ifndef HAVE_STRDUP 57extern char *strdup(const char *); 58#endif 59 60#ifndef HAVE_STRSEP 61extern char *strsep(char **, const char *); 62#endif 63 64#define PT_VAT 1 /* Visual Audio Tool */ 65#define PT_WB 2 /* distributed White Board */ 66#define PT_RPC 3 /* Remote Procedure Call */ 67#define PT_RTP 4 /* Real-Time Applications protocol */ 68#define PT_RTCP 5 /* Real-Time Applications control protocol */ 69#define PT_SNMP 6 /* Simple Network Management Protocol */ 70#define PT_CNFP 7 /* Cisco NetFlow protocol */ 71#define PT_TFTP 8 /* trivial file transfer protocol */ 72#define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */ 73#define PT_CARP 10 /* Common Address Redundancy Protocol */ 74#define PT_RADIUS 11 /* RADIUS authentication Protocol */ 75#define PT_ZMTP1 12 /* ZeroMQ Message Transport Protocol 1.0 */ 76#define PT_VXLAN 13 /* Virtual eXtensible Local Area Network */ 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#define ESRC(ep) ((ep)->ether_shost) 86#define EDST(ep) ((ep)->ether_dhost) 87 88#ifndef NTOHL 89#define NTOHL(x) (x) = ntohl(x) 90#define NTOHS(x) (x) = ntohs(x) 91#define HTONL(x) (x) = htonl(x) 92#define HTONS(x) (x) = htons(x) 93#endif 94 95#ifndef MIN 96#define MIN(a,b) ((a)<(b)?(a):(b)) 97#endif 98 99/* 100 * Byte-swap a 16, 32 or 64 bits number. 101 * ("htonl()" or "ntohl()" won't work - we want to byte-swap even on 102 * big-endian platforms.) 103 */ 104#define SWAPSHORT(y) \ 105( (((y)&0xff)<<8) | ((u_short)((y)&0xff00)>>8) ) 106#define SWAPLONG(y) \ 107((((y)&0xff)<<24) | (((y)&0xff00)<<8) | (((y)&0xff0000)>>8) | (((y)>>24)&0xff)) 108#define SWAPLONGLONG(y) \ 109(SWAPLONG((unsigned long)(y)) << 32 | SWAPLONG((unsigned long)((y) >> 32))) 110 111extern char *program_name; /* used to generate self-identifying messages */ 112 113extern int32_t thiszone; /* seconds offset from gmt to local time */ 114 115/* 116 * True if "l" bytes of "var" were captured. 117 * 118 * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large 119 * that "snapend - (l)" underflows. 120 * 121 * The check is for <= rather than < because "l" might be 0. 122 */ 123#define TTEST2(var, l) (gndo->ndo_snapend - (l) <= gndo->ndo_snapend && \ 124 (const u_char *)&(var) <= gndo->ndo_snapend - (l)) 125 126/* True if "var" was captured */ 127#define TTEST(var) TTEST2(var, sizeof(var)) 128 129/* Bail if "l" bytes of "var" were not captured */ 130#define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc 131 132/* Bail if "var" was not captured */ 133#define TCHECK(var) TCHECK2(var, sizeof(var)) 134 135extern void ts_print(const struct timeval *); 136extern void relts_print(int); 137 138extern int fn_print(const u_char *, const u_char *); 139extern int fn_printn(const u_char *, u_int, const u_char *); 140extern int fn_printzp(const u_char *, u_int, const u_char *); 141extern int mask2plen(u_int32_t); 142extern const char *tok2strary_internal(const char **, int, const char *, int); 143#define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) 144 145extern const char *dnaddr_string(u_short); 146 147extern void error(const char *, ...) 148 __attribute__((noreturn, format (printf, 1, 2))); 149extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2))); 150 151extern char *read_infile(char *); 152extern char *copy_argv(char **); 153 154extern void safeputchar(int); 155extern void safeputs(const char *, int); 156 157extern const char *isonsap_string(const u_char *, register u_int); 158extern const char *protoid_string(const u_char *); 159extern const char *ipxsap_string(u_short); 160extern const char *dnname_string(u_short); 161extern const char *dnnum_string(u_short); 162 163/* checksum routines */ 164extern void init_checksum(void); 165extern u_int16_t verify_crc10_cksum(u_int16_t, const u_char *, int); 166extern u_int16_t create_osi_cksum(const u_int8_t *, int, int); 167 168/* The printer routines. */ 169 170#include <pcap.h> 171 172extern int print_unknown_data(const u_char *, const char *,int); 173extern void ascii_print(const u_char *, u_int); 174extern void hex_and_ascii_print_with_offset(const char *, const u_char *, 175 u_int, u_int); 176extern void hex_and_ascii_print(const char *, const u_char *, u_int); 177extern void hex_print_with_offset(const char *, const u_char *, u_int, u_int); 178extern void hex_print(const char *, const u_char *, u_int); 179extern void telnet_print(const u_char *, u_int); 180extern int llc_print(const u_char *, u_int, u_int, const u_char *, 181 const u_char *, u_short *); 182extern int snap_print(const u_char *, u_int, u_int, u_int); 183extern void aarp_print(const u_char *, u_int); 184extern void aodv_print(const u_char *, u_int, int); 185extern void atalk_print(const u_char *, u_int); 186extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int); 187extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *); 188extern u_int sunatm_if_print(const struct pcap_pkthdr *, const u_char *); 189extern int oam_print(const u_char *, u_int, u_int); 190extern void bootp_print(const u_char *, u_int); 191extern void bgp_print(const u_char *, int); 192extern void beep_print(const u_char *, u_int); 193extern void cnfp_print(const u_char *, const u_char *); 194extern void decnet_print(const u_char *, u_int, u_int); 195extern void default_print(const u_char *, u_int); 196extern void dvmrp_print(const u_char *, u_int); 197extern void egp_print(const u_char *, u_int); 198extern u_int enc_if_print(const struct pcap_pkthdr *, const u_char *); 199extern u_int pflog_if_print(const struct pcap_pkthdr *, const u_char *); 200extern u_int arcnet_if_print(const struct pcap_pkthdr *, const u_char *); 201extern u_int arcnet_linux_if_print(const struct pcap_pkthdr *, const u_char *); 202extern u_int token_print(const u_char *, u_int, u_int); 203extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *); 204extern void fddi_print(const u_char *, u_int, u_int); 205extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *); 206extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *); 207extern u_int mfr_if_print(const struct pcap_pkthdr *, const u_char *); 208extern u_int fr_print(register const u_char *, u_int); 209extern u_int mfr_print(register const u_char *, u_int); 210extern char *q922_string(const u_char *); 211extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *); 212extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *, 213 const u_char *); 214extern u_int ap1394_if_print(const struct pcap_pkthdr *, const u_char *); 215extern u_int ieee802_11_radio_avs_if_print(const struct pcap_pkthdr *, 216 const u_char *); 217extern void gre_print(const u_char *, u_int); 218extern void icmp_print(const u_char *, u_int, const u_char *, int); 219extern void igmp_print(const u_char *, u_int); 220extern void igrp_print(const u_char *, u_int, const u_char *); 221extern void ipN_print(const u_char *, u_int); 222extern u_int ipfc_if_print(const struct pcap_pkthdr *, const u_char *); 223extern void ipx_print(const u_char *, u_int); 224extern void isoclns_print(const u_char *, u_int, u_int); 225extern void krb_print(const u_char *); 226extern u_int llap_print(const u_char *, u_int); 227extern u_int ltalk_if_print(const struct pcap_pkthdr *, const u_char *); 228extern void msdp_print(const unsigned char *, u_int); 229extern void nfsreply_print(const u_char *, u_int, const u_char *); 230extern void nfsreq_print(const u_char *, u_int, const u_char *); 231extern void ns_print(const u_char *, u_int, int); 232extern const u_char * ns_nprint (register const u_char *, register const u_char *); 233extern void ntp_print(const u_char *, u_int); 234extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *); 235extern void ospf_print(const u_char *, u_int, const u_char *); 236extern void olsr_print (const u_char *, u_int, int); 237extern void pimv1_print(const u_char *, u_int); 238extern void cisco_autorp_print(const u_char *, u_int); 239extern void rsvp_print(const u_char *, u_int); 240extern void ldp_print(const u_char *, u_int); 241extern void lldp_print(const u_char *, u_int); 242extern void rpki_rtr_print(const u_char *, u_int); 243extern void lmp_print(const u_char *, u_int); 244extern void lspping_print(const u_char *, u_int); 245extern void lwapp_control_print(const u_char *, u_int, int); 246extern void lwapp_data_print(const u_char *, u_int); 247extern void eigrp_print(const u_char *, u_int); 248extern void mobile_print(const u_char *, u_int); 249extern void pim_print(const u_char *, u_int, u_int); 250extern u_int pppoe_print(const u_char *, u_int); 251extern u_int ppp_print(register const u_char *, u_int); 252extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *); 253extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *); 254extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 255extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *); 256extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *); 257extern void q933_print(const u_char *, u_int); 258extern int vjc_print(register const char *, u_short); 259extern void vqp_print(register const u_char *, register u_int); 260extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *); 261extern void rip_print(const u_char *, u_int); 262extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *); 263extern void lane_print(const u_char *, u_int, u_int); 264extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *); 265extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *); 266extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 267extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *); 268extern u_int chdlc_print(register const u_char *, u_int); 269extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *); 270extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *); 271extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *); 272extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *); 273extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *); 274extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *); 275extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *); 276extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *); 277extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *); 278extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *); 279extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *); 280extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *); 281extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *); 282extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *); 283extern u_int juniper_chdlc_print(const struct pcap_pkthdr *, const u_char *); 284extern u_int sll_if_print(const struct pcap_pkthdr *, const u_char *); 285extern void snmp_print(const u_char *, u_int); 286extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 287extern u_int symantec_if_print(const struct pcap_pkthdr *, const u_char *); 288extern void tcp_print(const u_char *, u_int, const u_char *, int); 289extern void tftp_print(const u_char *, u_int); 290extern void timed_print(const u_char *); 291extern void udld_print(const u_char *, u_int); 292extern void udp_print(const u_char *, u_int, const u_char *, int); 293extern void vtp_print(const u_char *, u_int); 294extern void wb_print(const void *, u_int); 295extern int ah_print(register const u_char *); 296extern int ipcomp_print(register const u_char *, int *); 297extern void rx_print(register const u_char *, int, int, int, u_char *); 298extern void netbeui_print(u_short, const u_char *, int); 299extern void ipx_netbios_print(const u_char *, u_int); 300extern void nbt_tcp_print(const u_char *, int); 301extern void nbt_udp137_print(const u_char *, int); 302extern void nbt_udp138_print(const u_char *, int); 303extern void smb_tcp_print(const u_char *, int); 304extern char *smb_errstr(int, int); 305extern const char *nt_errstr(u_int32_t); 306extern void print_data(const unsigned char *, int); 307extern void l2tp_print(const u_char *, u_int); 308extern void vrrp_print(const u_char *, u_int, int); 309extern void carp_print(const u_char *, u_int, int); 310extern void slow_print(const u_char *, u_int); 311extern void sflow_print(const u_char *, u_int); 312extern void mpcp_print(const u_char *, u_int); 313extern void cfm_print(const u_char *, u_int); 314extern void pgm_print(const u_char *, u_int, const u_char *); 315extern void cdp_print(const u_char *, u_int, u_int); 316extern void dtp_print(const u_char *, u_int); 317extern void stp_print(const u_char *, u_int); 318extern void radius_print(const u_char *, u_int); 319extern void lwres_print(const u_char *, u_int); 320extern void pptp_print(const u_char *); 321extern void dccp_print(const u_char *, const u_char *, u_int); 322extern void sctp_print(const u_char *, const u_char *, u_int); 323extern void forces_print(const u_char *, u_int); 324extern void mpls_print(const u_char *, u_int); 325extern void mpls_lsp_ping_print(const u_char *, u_int); 326extern void zephyr_print(const u_char *, int); 327extern void zmtp1_print(const u_char *, u_int); 328extern void hsrp_print(const u_char *, u_int); 329extern void bfd_print(const u_char *, u_int, u_int); 330extern void sip_print(const u_char *, u_int); 331extern void syslog_print(const u_char *, u_int); 332extern u_int bt_if_print(const struct pcap_pkthdr *, const u_char *); 333extern u_int usb_linux_48_byte_print(const struct pcap_pkthdr *, const u_char *); 334extern u_int usb_linux_64_byte_print(const struct pcap_pkthdr *, const u_char *); 335extern void otv_print(const u_char *, u_int); 336extern void vxlan_print(const u_char *, u_int); 337 338#ifdef INET6 339extern void ip6_opt_print(const u_char *, int); 340extern int hbhopt_print(const u_char *); 341extern int dstopt_print(const u_char *); 342extern int frag6_print(const u_char *, const u_char *); 343extern int mobility_print(const u_char *, const u_char *); 344extern void ripng_print(const u_char *, unsigned int); 345extern int rt6_print(const u_char *, const u_char *); 346extern void ospf6_print(const u_char *, u_int); 347extern void dhcp6_print(const u_char *, u_int); 348extern void babel_print(const u_char *, u_int); 349extern int mask62plen(const u_char *); 350#endif /*INET6*/ 351 352struct cksum_vec { 353 const u_int8_t *ptr; 354 int len; 355}; 356extern u_int16_t in_cksum(const struct cksum_vec *, int); 357extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 358 359#ifndef HAVE_BPF_DUMP 360struct bpf_program; 361 362extern void bpf_dump(const struct bpf_program *, int); 363 364#endif 365 366 367#include "netdissect.h" 368 369/* forward compatibility */ 370 371#ifndef NETDISSECT_REWORKED 372extern netdissect_options *gndo; 373 374#define bflag gndo->ndo_bflag 375#define eflag gndo->ndo_eflag 376#define fflag gndo->ndo_fflag 377#define jflag gndo->ndo_jflag 378#ifdef __APPLE__ 379#define kflag gndo->ndo_kflag 380#endif 381#define Kflag gndo->ndo_Kflag 382#define nflag gndo->ndo_nflag 383#define Nflag gndo->ndo_Nflag 384#define oflag gndo->ndo_oflag 385#define Oflag gndo->ndo_Oflag 386#define pflag gndo->ndo_pflag 387#ifdef __APPLE__ 388#define Pflag gndo->ndo_Pflag 389#endif 390#define qflag gndo->ndo_qflag 391#define Rflag gndo->ndo_Rflag 392#define sflag gndo->ndo_sflag 393#define Sflag gndo->ndo_Sflag 394#define tflag gndo->ndo_tflag 395#define t0flag gndo->ndo_t0flag 396#define t1flag gndo->ndo_t1flag 397#define t2flag gndo->ndo_t2flag 398#define t3flag gndo->ndo_t3flag 399#define t4flag gndo->ndo_t4flag 400#define t5flag gndo->ndo_t5flag 401#define Uflag gndo->ndo_Uflag 402#define uflag gndo->ndo_uflag 403#define Vflag gndo->ndo_Vflag 404#define vflag gndo->ndo_vflag 405#define xflag gndo->ndo_xflag 406#define Xflag gndo->ndo_Xflag 407#define Cflag gndo->ndo_Cflag 408#ifdef __APPLE__ 409#define gflag gndo->ndo_gflag 410#endif 411#define Gflag gndo->ndo_Gflag 412#define Aflag gndo->ndo_Aflag 413#define Bflag gndo->ndo_Bflag 414#define Iflag gndo->ndo_Iflag 415#define suppress_default_print gndo->ndo_suppress_default_print 416#define packettype gndo->ndo_packettype 417#define sigsecret gndo->ndo_sigsecret 418#define Wflag gndo->ndo_Wflag 419#define WflagChars gndo->ndo_WflagChars 420#define Cflag_count gndo->ndo_Cflag_count 421#define Gflag_count gndo->ndo_Gflag_count 422#define Gflag_time gndo->ndo_Gflag_time 423#define Hflag gndo->ndo_Hflag 424//#define snaplen gndo->ndo_snaplen 425#define snapend gndo->ndo_snapend 426 427#endif /* NETDISSECT_REWORKED */ 428 429#endif /* tcpdump_interface_h */ 430