interface.h revision 127675
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 1.217.2.5 2004/03/17 19:47:48 guy Exp $ (LBL) 22 * 23 * $FreeBSD: head/contrib/tcpdump/interface.h 127675 2004-03-31 14:57:24Z bms $ 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 !defined(HAVE_SNPRINTF) 42int snprintf(char *, size_t, const char *, ...) 43 __attribute__((format(printf, 3, 4))); 44#endif 45 46#if !defined(HAVE_VSNPRINTF) 47int vsnprintf(char *, size_t, const char *, va_list) 48 __attribute__((format(printf, 3, 0))); 49#endif 50 51#ifndef HAVE_STRLCAT 52extern size_t strlcat(char *, const char *, size_t); 53#endif 54#ifndef HAVE_STRLCPY 55extern size_t strlcpy(char *, const char *, size_t); 56#endif 57 58#ifndef HAVE_STRDUP 59extern char *strdup(const char *); 60#endif 61 62#ifndef HAVE_STRSEP 63extern char *strsep(char **, const char *); 64#endif 65 66struct tok { 67 int v; /* value */ 68 const char *s; /* string */ 69}; 70 71extern int aflag; /* translate network and broadcast addresses */ 72extern int dflag; /* print filter code */ 73extern int eflag; /* print ethernet header */ 74extern int fflag; /* don't translate "foreign" IP address */ 75extern int nflag; /* leave addresses as numbers */ 76extern int Nflag; /* remove domains from printed host names */ 77extern int qflag; /* quick (shorter) output */ 78extern int Rflag; /* print sequence # field in AH/ESP*/ 79extern int sflag; /* use the libsmi to translate OIDs */ 80extern int Sflag; /* print raw TCP sequence numbers */ 81extern int tflag; /* print packet arrival time */ 82extern int uflag; /* Print undecoded NFS handles */ 83extern int vflag; /* verbose */ 84extern int xflag; /* print packet in hex */ 85extern int Xflag; /* print packet in hex/ascii */ 86extern int Aflag; /* print packet only in ascii observing TAB, LF, CR and SPACE as graphical chars */ 87extern char *espsecret; 88 89extern int packettype; /* as specified by -T */ 90#define PT_VAT 1 /* Visual Audio Tool */ 91#define PT_WB 2 /* distributed White Board */ 92#define PT_RPC 3 /* Remote Procedure Call */ 93#define PT_RTP 4 /* Real-Time Applications protocol */ 94#define PT_RTCP 5 /* Real-Time Applications control protocol */ 95#define PT_SNMP 6 /* Simple Network Management Protocol */ 96#define PT_CNFP 7 /* Cisco NetFlow protocol */ 97#define PT_TFTP 8 /* trivial file transfer protocol */ 98#define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */ 99 100#ifndef min 101#define min(a,b) ((a)>(b)?(b):(a)) 102#endif 103#ifndef max 104#define max(a,b) ((b)>(a)?(b):(a)) 105#endif 106 107/* 108 * The default snapshot length. This value allows most printers to print 109 * useful information while keeping the amount of unwanted data down. 110 */ 111#ifndef INET6 112#define DEFAULT_SNAPLEN 68 /* ether + IPv4 + TCP + 14 */ 113#else 114#define DEFAULT_SNAPLEN 96 /* ether + IPv6 + TCP + 22 */ 115#endif 116 117#ifndef BIG_ENDIAN 118#define BIG_ENDIAN 4321 119#define LITTLE_ENDIAN 1234 120#endif 121 122#define ESRC(ep) ((ep)->ether_shost) 123#define EDST(ep) ((ep)->ether_dhost) 124 125#ifndef NTOHL 126#define NTOHL(x) (x) = ntohl(x) 127#define NTOHS(x) (x) = ntohs(x) 128#define HTONL(x) (x) = htonl(x) 129#define HTONS(x) (x) = htons(x) 130#endif 131#endif 132 133extern char *program_name; /* used to generate self-identifying messages */ 134 135extern int32_t thiszone; /* seconds offset from gmt to local time */ 136 137extern int snaplen; 138/* global pointer to end of current packet (during printing) */ 139extern const u_char *snapend; 140 141/* 142 * True if "l" bytes of "var" were captured. 143 * 144 * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large 145 * that "snapend - (l)" underflows. 146 * 147 * The check is for <= rather than < because "l" might be 0. 148 */ 149#define TTEST2(var, l) (snapend - (l) <= snapend && \ 150 (const u_char *)&(var) <= snapend - (l)) 151 152/* True if "var" was captured */ 153#define TTEST(var) TTEST2(var, sizeof(var)) 154 155/* Bail if "l" bytes of "var" were not captured */ 156#define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc 157 158/* Bail if "var" was not captured */ 159#define TCHECK(var) TCHECK2(var, sizeof(var)) 160 161extern void ts_print(const struct timeval *); 162extern void relts_print(int); 163 164extern int fn_print(const u_char *, const u_char *); 165extern int fn_printn(const u_char *, u_int, const u_char *); 166extern const char *tok2str(const struct tok *, const char *, int); 167extern int mask2plen(u_int32_t); 168extern char *bittok2str(const struct tok *, const char *, int); 169extern const char *tok2strary_internal(const char **, int, const char *, int); 170#define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) 171 172extern const char *dnaddr_string(u_short); 173 174extern void error(const char *, ...) 175 __attribute__((noreturn, format (printf, 1, 2))); 176extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2))); 177 178extern char *read_infile(char *); 179extern char *copy_argv(char **); 180 181extern void safeputchar(int); 182extern void safeputs(const char *); 183 184extern const char *isonsap_string(const u_char *); 185extern const char *llcsap_string(u_char); 186extern const char *protoid_string(const u_char *); 187extern const char *ipxsap_string(u_short); 188extern const char *dnname_string(u_short); 189extern const char *dnnum_string(u_short); 190 191/* The printer routines. */ 192 193#include <pcap.h> 194 195extern int print_unknown_data(const u_char *, const char *,int); 196extern void ascii_print_with_offset(const u_char *, const u_char *, u_int, u_int); 197extern void ascii_print(const u_char *, const u_char *, u_int); 198extern void hex_print_with_offset(const u_char *, const u_char *, u_int, u_int); 199extern void telnet_print(const u_char *, u_int); 200extern void hex_print(const u_char *, const u_char *, u_int); 201extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *); 202extern int llc_print(const u_char *, u_int, u_int, const u_char *, 203 const u_char *, u_short *); 204extern int snap_print(const u_char *, u_int, u_int, u_short *, u_int32_t, 205 u_short, u_int); 206extern void aarp_print(const u_char *, u_int); 207extern void aodv_print(const u_char *, u_int, int); 208extern void arp_print(const u_char *, u_int, u_int); 209extern void atalk_print(const u_char *, u_int); 210extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int); 211extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *); 212extern u_int sunatm_if_print(const struct pcap_pkthdr *, const u_char *); 213extern void bootp_print(const u_char *, u_int); 214extern void bgp_print(const u_char *, int); 215extern void beep_print(const u_char *, u_int); 216extern void cnfp_print(const u_char *, const u_char *); 217extern void decnet_print(const u_char *, u_int, u_int); 218extern void default_print(const u_char *, u_int); 219extern void default_print_unaligned(const u_char *, u_int); 220extern void dvmrp_print(const u_char *, u_int); 221extern void egp_print(const u_char *); 222extern u_int enc_if_print(const struct pcap_pkthdr *, const u_char *); 223extern u_int pflog_if_print(const struct pcap_pkthdr *, const u_char *); 224extern u_int arcnet_if_print(const struct pcap_pkthdr *, const u_char *); 225extern u_int arcnet_linux_if_print(const struct pcap_pkthdr *, const u_char *); 226extern void ether_print(const u_char *, u_int, u_int); 227extern u_int ether_if_print(const struct pcap_pkthdr *, const u_char *); 228extern u_int token_print(const u_char *, u_int, u_int); 229extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *); 230extern void fddi_print(const u_char *, u_int, u_int); 231extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *); 232extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *); 233extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *); 234extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *, 235 const u_char *); 236extern u_int ap1394_if_print(const struct pcap_pkthdr *, const u_char *); 237extern void gre_print(const u_char *, u_int); 238extern void icmp_print(const u_char *, u_int, const u_char *, int); 239extern void igmp_print(const u_char *, u_int); 240extern void igrp_print(const u_char *, u_int, const u_char *); 241extern void ip_print(const u_char *, u_int); 242extern void ipN_print(const u_char *, u_int); 243extern u_int ipfc_if_print(const struct pcap_pkthdr *, const u_char *); 244extern void ipx_print(const u_char *, u_int); 245extern void isoclns_print(const u_char *, u_int, u_int); 246extern void krb_print(const u_char *); 247extern u_int llap_print(const u_char *, u_int); 248extern u_int ltalk_if_print(const struct pcap_pkthdr *, const u_char *); 249extern void msdp_print(const unsigned char *, u_int); 250extern void nfsreply_print(const u_char *, u_int, const u_char *); 251extern void nfsreq_print(const u_char *, u_int, const u_char *); 252extern void ns_print(const u_char *, u_int, int); 253extern void ntp_print(const u_char *, u_int); 254extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *); 255extern void ospf_print(const u_char *, u_int, const u_char *); 256extern void pimv1_print(const u_char *, u_int); 257extern void cisco_autorp_print(const u_char *, u_int); 258extern void rsvp_print(const u_char *, u_int); 259extern void ldp_print(const u_char *, u_int); 260extern void mobile_print(const u_char *, u_int); 261extern void pim_print(const u_char *, u_int); 262extern u_int pppoe_print(const u_char *, u_int); 263extern u_int ppp_print(register const u_char *, u_int); 264extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *); 265extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *); 266extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 267extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *); 268extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *); 269extern int vjc_print(register const char *, u_short); 270extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *); 271extern void rip_print(const u_char *, u_int); 272extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *); 273extern void lane_print(const u_char *, u_int, u_int); 274extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *); 275extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *); 276extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 277extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *); 278extern u_int sll_if_print(const struct pcap_pkthdr *, const u_char *); 279extern void snmp_print(const u_char *, u_int); 280extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 281extern void tcp_print(const u_char *, u_int, const u_char *, int); 282extern void tftp_print(const u_char *, u_int); 283extern void timed_print(const u_char *); 284extern void udp_print(const u_char *, u_int, const u_char *, int); 285extern void wb_print(const void *, u_int); 286extern int ah_print(register const u_char *); 287extern int esp_print(register const u_char *, register const u_char *, int *, int *); 288extern void isakmp_print(const u_char *, u_int, const u_char *); 289extern int ipcomp_print(register const u_char *, int *); 290extern void rx_print(register const u_char *, int, int, int, u_char *); 291extern void netbeui_print(u_short, const u_char *, int); 292extern void ipx_netbios_print(const u_char *, u_int); 293extern void nbt_tcp_print(const u_char *, int); 294extern void nbt_udp137_print(const u_char *, int); 295extern void nbt_udp138_print(const u_char *, int); 296extern char *smb_errstr(int, int); 297extern void print_data(const unsigned char *, int); 298extern void l2tp_print(const u_char *, u_int); 299extern void vrrp_print(const u_char *, u_int, int); 300extern void cdp_print(const u_char *, u_int, u_int); 301extern void stp_print(const u_char *, u_int); 302extern void radius_print(const u_char *, u_int); 303extern void lwres_print(const u_char *, u_int); 304extern void pptp_print(const u_char *); 305extern void sctp_print(const u_char *, const u_char *, u_int); 306extern void mpls_print(const u_char *, u_int); 307extern void mpls_lsp_ping_print(const u_char *, u_int); 308extern void zephyr_print(const u_char *, int); 309extern void hsrp_print(const u_char *, u_int); 310extern void bfd_print(const u_char *, u_int, u_int); 311 312#ifdef INET6 313extern void ip6_print(const u_char *, u_int); 314extern void ip6_opt_print(const u_char *, int); 315extern int hbhopt_print(const u_char *); 316extern int dstopt_print(const u_char *); 317extern int frag6_print(const u_char *, const u_char *); 318extern int mobility_print(const u_char *, const u_char *); 319extern void icmp6_print(const u_char *, u_int, const u_char *, int); 320extern void ripng_print(const u_char *, unsigned int); 321extern int rt6_print(const u_char *, const u_char *); 322extern void ospf6_print(const u_char *, u_int); 323extern void dhcp6_print(const u_char *, u_int); 324#endif /*INET6*/ 325extern u_short in_cksum(const u_short *, register u_int, int); 326extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 327 328#ifndef HAVE_BPF_DUMP 329struct bpf_program; 330 331extern void bpf_dump(struct bpf_program *, int); 332#endif 333