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 1.244.2.20 2006/02/08 01:40:09 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) 44int snprintf(char *, size_t, const char *, ...) 45 __attribute__((format(printf, 3, 4))); 46#endif 47 48#if !defined(HAVE_VSNPRINTF) 49int vsnprintf(char *, size_t, const char *, va_list) 50 __attribute__((format(printf, 3, 0))); 51#endif 52 53#ifndef HAVE_STRLCAT 54extern size_t strlcat(char *, const char *, size_t); 55#endif 56#ifndef HAVE_STRLCPY 57extern size_t strlcpy(char *, const char *, size_t); 58#endif 59 60#ifndef HAVE_STRDUP 61extern char *strdup(const char *); 62#endif 63 64#ifndef HAVE_STRSEP 65extern 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 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) (snapend - (l) <= snapend && \ 124 (const u_char *)&(var) <= 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/* The printer routines. */ 164 165#include <pcap.h> 166 167extern int print_unknown_data(const u_char *, const char *,int); 168extern void ascii_print(const u_char *, u_int); 169extern void hex_and_ascii_print_with_offset(const char *, const u_char *, 170 u_int, u_int); 171extern void hex_and_ascii_print(const char *, const u_char *, u_int); 172extern void hex_print_with_offset(const char *, const u_char *, u_int, u_int); 173extern void hex_print(const char *, const u_char *, u_int); 174extern void telnet_print(const u_char *, u_int); 175extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *); 176extern int llc_print(const u_char *, u_int, u_int, const u_char *, 177 const u_char *, u_short *); 178extern int snap_print(const u_char *, u_int, u_int, u_short *, u_int); 179extern void aarp_print(const u_char *, u_int); 180extern void aodv_print(const u_char *, u_int, int); 181extern void atalk_print(const u_char *, u_int); 182extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int); 183extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *); 184extern u_int sunatm_if_print(const struct pcap_pkthdr *, const u_char *); 185extern int oam_print(const u_char *, u_int, u_int); 186extern void bootp_print(const u_char *, u_int); 187extern void bgp_print(const u_char *, int); 188extern void beep_print(const u_char *, u_int); 189extern void cnfp_print(const u_char *, const u_char *); 190extern void decnet_print(const u_char *, u_int, u_int); 191extern void default_print(const u_char *, u_int); 192extern void dvmrp_print(const u_char *, u_int); 193extern void egp_print(const u_char *, u_int); 194extern u_int enc_if_print(const struct pcap_pkthdr *, const u_char *); 195extern u_int pflog_if_print(const struct pcap_pkthdr *, const u_char *); 196extern u_int arcnet_if_print(const struct pcap_pkthdr *, const u_char *); 197extern u_int arcnet_linux_if_print(const struct pcap_pkthdr *, const u_char *); 198extern void ether_print(const u_char *, u_int, u_int); 199extern u_int ether_if_print(const struct pcap_pkthdr *, const u_char *); 200extern u_int token_print(const u_char *, u_int, u_int); 201extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *); 202extern void fddi_print(const u_char *, u_int, u_int); 203extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *); 204extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *); 205extern u_int mfr_if_print(const struct pcap_pkthdr *, const u_char *); 206extern u_int fr_print(register const u_char *, u_int); 207extern u_int mfr_print(register const u_char *, u_int); 208extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *); 209extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *, 210 const u_char *); 211extern u_int ap1394_if_print(const struct pcap_pkthdr *, const u_char *); 212extern void gre_print(const u_char *, u_int); 213extern void icmp_print(const u_char *, u_int, const u_char *, int); 214extern void igmp_print(const u_char *, u_int); 215extern void igrp_print(const u_char *, u_int, const u_char *); 216extern void ipN_print(const u_char *, u_int); 217extern u_int ipfc_if_print(const struct pcap_pkthdr *, const u_char *); 218extern void ipx_print(const u_char *, u_int); 219extern void isoclns_print(const u_char *, u_int, u_int); 220extern void krb_print(const u_char *); 221extern u_int llap_print(const u_char *, u_int); 222extern u_int ltalk_if_print(const struct pcap_pkthdr *, const u_char *); 223extern void msdp_print(const unsigned char *, u_int); 224extern void nfsreply_print(const u_char *, u_int, const u_char *); 225extern void nfsreq_print(const u_char *, u_int, const u_char *); 226extern void ns_print(const u_char *, u_int, int); 227extern void ntp_print(const u_char *, u_int); 228extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *); 229extern void ospf_print(const u_char *, u_int, const u_char *); 230extern void pimv1_print(const u_char *, u_int); 231extern void cisco_autorp_print(const u_char *, u_int); 232extern void rsvp_print(const u_char *, u_int); 233extern void ldp_print(const u_char *, u_int); 234extern void lmp_print(const u_char *, u_int); 235extern void lspping_print(const u_char *, u_int); 236extern void eigrp_print(const u_char *, u_int); 237extern void mobile_print(const u_char *, u_int); 238extern void pim_print(const u_char *, u_int); 239extern u_int pppoe_print(const u_char *, u_int); 240extern u_int ppp_print(register const u_char *, u_int); 241extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *); 242extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *); 243extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 244extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *); 245extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *); 246extern void q933_print(const u_char *, u_int); 247extern int vjc_print(register const char *, u_short); 248extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *); 249extern void rip_print(const u_char *, u_int); 250extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *); 251extern void lane_print(const u_char *, u_int, u_int); 252extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *); 253extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *); 254extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 255extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *); 256extern u_int chdlc_print(register const u_char *, u_int); 257extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *); 258extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *); 259extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *); 260extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *); 261extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *); 262extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *); 263extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *); 264extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *); 265extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *); 266extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *); 267extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *); 268extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *); 269extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *); 270extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *); 271extern u_int juniper_chdlc_print(const struct pcap_pkthdr *, const u_char *); 272extern u_int sll_if_print(const struct pcap_pkthdr *, const u_char *); 273extern void snmp_print(const u_char *, u_int); 274extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 275extern u_int symantec_if_print(const struct pcap_pkthdr *, const u_char *); 276extern void tcp_print(const u_char *, u_int, const u_char *, int); 277extern void tftp_print(const u_char *, u_int); 278extern void timed_print(const u_char *); 279extern void udp_print(const u_char *, u_int, const u_char *, int); 280extern void wb_print(const void *, u_int); 281extern int ah_print(register const u_char *); 282extern int ipcomp_print(register const u_char *, int *); 283extern void rx_print(register const u_char *, int, int, int, u_char *); 284extern void netbeui_print(u_short, const u_char *, int); 285extern void ipx_netbios_print(const u_char *, u_int); 286extern void nbt_tcp_print(const u_char *, int); 287extern void nbt_udp137_print(const u_char *, int); 288extern void nbt_udp138_print(const u_char *, int); 289extern char *smb_errstr(int, int); 290extern const char *nt_errstr(u_int32_t); 291extern void print_data(const unsigned char *, int); 292extern void l2tp_print(const u_char *, u_int); 293extern void vrrp_print(const u_char *, u_int, int); 294extern void slow_print(const u_char *, u_int); 295extern void pgm_print(const u_char *, u_int, const u_char *); 296extern void cdp_print(const u_char *, u_int, u_int); 297extern void stp_print(const u_char *, u_int); 298extern void radius_print(const u_char *, u_int); 299extern void lwres_print(const u_char *, u_int); 300extern void pptp_print(const u_char *); 301extern void dccp_print(const u_char *, const u_char *, u_int); 302extern void sctp_print(const u_char *, const u_char *, u_int); 303extern void mpls_print(const u_char *, u_int); 304extern void mpls_lsp_ping_print(const u_char *, u_int); 305extern void zephyr_print(const u_char *, int); 306extern void hsrp_print(const u_char *, u_int); 307extern void bfd_print(const u_char *, u_int, u_int); 308extern void sip_print(const u_char *, u_int); 309extern void syslog_print(const u_char *, u_int); 310 311#ifdef INET6 312extern void ip6_print(const u_char *, u_int); 313extern void ip6_opt_print(const u_char *, int); 314extern int hbhopt_print(const u_char *); 315extern int dstopt_print(const u_char *); 316extern int frag6_print(const u_char *, const u_char *); 317extern int mobility_print(const u_char *, const u_char *); 318extern void icmp6_print(const u_char *, u_int, const u_char *, int); 319extern void ripng_print(const u_char *, unsigned int); 320extern int rt6_print(const u_char *, const u_char *); 321extern void ospf6_print(const u_char *, u_int); 322extern void dhcp6_print(const u_char *, u_int); 323#endif /*INET6*/ 324extern u_short in_cksum(const u_short *, register u_int, int); 325extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 326 327#ifndef HAVE_BPF_DUMP 328struct bpf_program; 329 330extern void bpf_dump(struct bpf_program *, int); 331 332#endif 333 334#include "netdissect.h" 335 336/* forward compatibility */ 337 338extern netdissect_options *gndo; 339 340#define eflag gndo->ndo_eflag 341#define fflag gndo->ndo_fflag 342#define nflag gndo->ndo_nflag 343#define Nflag gndo->ndo_Nflag 344#define Oflag gndo->ndo_Oflag 345#define pflag gndo->ndo_pflag 346#define qflag gndo->ndo_qflag 347#define Rflag gndo->ndo_Rflag 348#define sflag gndo->ndo_sflag 349#define Sflag gndo->ndo_Sflag 350#define tflag gndo->ndo_tflag 351#define Uflag gndo->ndo_Uflag 352#define uflag gndo->ndo_uflag 353#define vflag gndo->ndo_vflag 354#define xflag gndo->ndo_xflag 355#define Xflag gndo->ndo_Xflag 356#define Cflag gndo->ndo_Cflag 357#define Aflag gndo->ndo_Aflag 358#define suppress_default_print gndo->ndo_suppress_default_print 359#define packettype gndo->ndo_packettype 360#define tcpmd5secret gndo->ndo_tcpmd5secret 361#define Wflag gndo->ndo_Wflag 362#define WflagChars gndo->ndo_WflagChars 363#define Cflag_count gndo->ndo_Cflag_count 364#define snaplen gndo->ndo_snaplen 365#define snapend gndo->ndo_snapend 366 367