interface.h revision 172686
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 * $FreeBSD: head/contrib/tcpdump/interface.h 172686 2007-10-16 02:31:48Z mlaier $ 22 * @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.244.2.21 2007/03/28 07:45:46 hannes Exp $ (LBL) 23 */ 24 25#ifndef tcpdump_interface_h 26#define tcpdump_interface_h 27 28#ifdef HAVE_OS_PROTO_H 29#include "os-proto.h" 30#endif 31 32#ifndef HAVE___ATTRIBUTE__ 33#define __attribute__(x) 34#endif 35 36/* snprintf et al */ 37 38#include <stdarg.h> 39 40#if HAVE_STDINT_H 41#include <stdint.h> 42#endif 43 44#if !defined(HAVE_SNPRINTF) 45int snprintf(char *, size_t, const char *, ...) 46 __attribute__((format(printf, 3, 4))); 47#endif 48 49#if !defined(HAVE_VSNPRINTF) 50int vsnprintf(char *, size_t, const char *, va_list) 51 __attribute__((format(printf, 3, 0))); 52#endif 53 54#ifndef HAVE_STRLCAT 55extern size_t strlcat(char *, const char *, size_t); 56#endif 57#ifndef HAVE_STRLCPY 58extern size_t strlcpy(char *, const char *, size_t); 59#endif 60 61#ifndef HAVE_STRDUP 62extern char *strdup(const char *); 63#endif 64 65#ifndef HAVE_STRSEP 66extern char *strsep(char **, const char *); 67#endif 68 69#define PT_VAT 1 /* Visual Audio Tool */ 70#define PT_WB 2 /* distributed White Board */ 71#define PT_RPC 3 /* Remote Procedure Call */ 72#define PT_RTP 4 /* Real-Time Applications protocol */ 73#define PT_RTCP 5 /* Real-Time Applications control protocol */ 74#define PT_SNMP 6 /* Simple Network Management Protocol */ 75#define PT_CNFP 7 /* Cisco NetFlow protocol */ 76#define PT_TFTP 8 /* trivial file transfer protocol */ 77#define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */ 78 79#ifndef min 80#define min(a,b) ((a)>(b)?(b):(a)) 81#endif 82#ifndef max 83#define max(a,b) ((b)>(a)?(b):(a)) 84#endif 85 86/* 87 * The default snapshot length. This value allows most printers to print 88 * useful information while keeping the amount of unwanted data down. 89 */ 90#ifndef INET6 91#define DEFAULT_SNAPLEN 68 /* ether + IPv4 + TCP + 14 */ 92#else 93#define DEFAULT_SNAPLEN 96 /* ether + IPv6 + TCP + 22 */ 94#endif 95 96#ifndef BIG_ENDIAN 97#define BIG_ENDIAN 4321 98#define LITTLE_ENDIAN 1234 99#endif 100 101#define ESRC(ep) ((ep)->ether_shost) 102#define EDST(ep) ((ep)->ether_dhost) 103 104#ifndef NTOHL 105#define NTOHL(x) (x) = ntohl(x) 106#define NTOHS(x) (x) = ntohs(x) 107#define HTONL(x) (x) = htonl(x) 108#define HTONS(x) (x) = htons(x) 109#endif 110#endif 111 112#ifndef MIN 113#define MIN(a,b) ((a)<(b)?(a):(b)) 114#endif 115 116extern char *program_name; /* used to generate self-identifying messages */ 117 118extern int32_t thiszone; /* seconds offset from gmt to local time */ 119 120/* 121 * True if "l" bytes of "var" were captured. 122 * 123 * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large 124 * that "snapend - (l)" underflows. 125 * 126 * The check is for <= rather than < because "l" might be 0. 127 */ 128#define TTEST2(var, l) (snapend - (l) <= snapend && \ 129 (const u_char *)&(var) <= snapend - (l)) 130 131/* True if "var" was captured */ 132#define TTEST(var) TTEST2(var, sizeof(var)) 133 134/* Bail if "l" bytes of "var" were not captured */ 135#define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc 136 137/* Bail if "var" was not captured */ 138#define TCHECK(var) TCHECK2(var, sizeof(var)) 139 140extern void ts_print(const struct timeval *); 141extern void relts_print(int); 142 143extern int fn_print(const u_char *, const u_char *); 144extern int fn_printn(const u_char *, u_int, const u_char *); 145extern int fn_printzp(const u_char *, u_int, const u_char *); 146extern int mask2plen(u_int32_t); 147extern const char *tok2strary_internal(const char **, int, const char *, int); 148#define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) 149 150extern const char *dnaddr_string(u_short); 151 152extern void error(const char *, ...) 153 __attribute__((noreturn, format (printf, 1, 2))); 154extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2))); 155 156extern char *read_infile(char *); 157extern char *copy_argv(char **); 158 159extern void safeputchar(int); 160extern void safeputs(const char *, int); 161 162extern const char *isonsap_string(const u_char *, register u_int); 163extern const char *protoid_string(const u_char *); 164extern const char *ipxsap_string(u_short); 165extern const char *dnname_string(u_short); 166extern const char *dnnum_string(u_short); 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 ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *); 181extern int llc_print(const u_char *, u_int, u_int, const u_char *, 182 const u_char *, u_short *); 183extern int snap_print(const u_char *, u_int, u_int, u_short *, u_int); 184extern void aarp_print(const u_char *, u_int); 185extern void aodv_print(const u_char *, u_int, int); 186extern void atalk_print(const u_char *, u_int); 187extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int); 188extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *); 189extern u_int sunatm_if_print(const struct pcap_pkthdr *, const u_char *); 190extern int oam_print(const u_char *, u_int, u_int); 191extern void bootp_print(const u_char *, u_int); 192extern void bgp_print(const u_char *, int); 193extern void beep_print(const u_char *, u_int); 194extern void cnfp_print(const u_char *, const u_char *); 195extern void decnet_print(const u_char *, u_int, u_int); 196extern void default_print(const u_char *, u_int); 197extern void dvmrp_print(const u_char *, u_int); 198extern void egp_print(const u_char *, u_int); 199extern u_int enc_if_print(const struct pcap_pkthdr *, const u_char *); 200extern u_int pflog_if_print(const struct pcap_pkthdr *, const u_char *); 201extern u_int arcnet_if_print(const struct pcap_pkthdr *, const u_char *); 202extern u_int arcnet_linux_if_print(const struct pcap_pkthdr *, const u_char *); 203extern void ether_print(const u_char *, u_int, u_int); 204extern u_int ether_if_print(const struct pcap_pkthdr *, const u_char *); 205extern u_int token_print(const u_char *, u_int, u_int); 206extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *); 207extern void fddi_print(const u_char *, u_int, u_int); 208extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *); 209extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *); 210extern u_int mfr_if_print(const struct pcap_pkthdr *, const u_char *); 211extern u_int fr_print(register const u_char *, u_int); 212extern u_int mfr_print(register const u_char *, u_int); 213extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *); 214extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *, 215 const u_char *); 216extern u_int ap1394_if_print(const struct pcap_pkthdr *, 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 void ntp_print(const u_char *, u_int); 233extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *); 234extern void ospf_print(const u_char *, u_int, const u_char *); 235extern void olsr_print (const u_char *, u_int); 236extern void pimv1_print(const u_char *, u_int); 237extern void cisco_autorp_print(const u_char *, u_int); 238extern void rsvp_print(const u_char *, u_int); 239extern void ldp_print(const u_char *, u_int); 240extern void lmp_print(const u_char *, u_int); 241extern void lspping_print(const u_char *, u_int); 242extern void eigrp_print(const u_char *, u_int); 243extern void mobile_print(const u_char *, u_int); 244extern void pim_print(const u_char *, u_int); 245extern u_int pppoe_print(const u_char *, u_int); 246extern u_int ppp_print(register const u_char *, u_int); 247extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *); 248extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *); 249extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 250extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *); 251extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *); 252extern void q933_print(const u_char *, u_int); 253extern int vjc_print(register const char *, u_short); 254extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *); 255extern void rip_print(const u_char *, u_int); 256extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *); 257extern void lane_print(const u_char *, u_int, u_int); 258extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *); 259extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *); 260extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 261extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *); 262extern u_int chdlc_print(register const u_char *, u_int); 263extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *); 264extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *); 265extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *); 266extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *); 267extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *); 268extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *); 269extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *); 270extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *); 271extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *); 272extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *); 273extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *); 274extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *); 275extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *); 276extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *); 277extern u_int juniper_chdlc_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 u_int symantec_if_print(const struct pcap_pkthdr *, const u_char *); 282extern void tcp_print(const u_char *, u_int, const u_char *, int); 283extern void tftp_print(const u_char *, u_int); 284extern void timed_print(const u_char *); 285extern void udp_print(const u_char *, u_int, const u_char *, int); 286extern void wb_print(const void *, u_int); 287extern int ah_print(register const u_char *); 288extern int ipcomp_print(register const u_char *, int *); 289extern void rx_print(register const u_char *, int, int, int, u_char *); 290extern void netbeui_print(u_short, const u_char *, int); 291extern void ipx_netbios_print(const u_char *, u_int); 292extern void nbt_tcp_print(const u_char *, int); 293extern void nbt_udp137_print(const u_char *, int); 294extern void nbt_udp138_print(const u_char *, int); 295extern char *smb_errstr(int, int); 296extern const char *nt_errstr(u_int32_t); 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 slow_print(const u_char *, u_int); 301extern void pgm_print(const u_char *, u_int, const u_char *); 302extern void cdp_print(const u_char *, u_int, u_int); 303extern void stp_print(const u_char *, u_int); 304extern void radius_print(const u_char *, u_int); 305extern void lwres_print(const u_char *, u_int); 306extern void pptp_print(const u_char *); 307extern void dccp_print(const u_char *, const u_char *, u_int); 308extern void sctp_print(const u_char *, const u_char *, u_int); 309extern void mpls_print(const u_char *, u_int); 310extern void mpls_lsp_ping_print(const u_char *, u_int); 311extern void zephyr_print(const u_char *, int); 312extern void hsrp_print(const u_char *, u_int); 313extern void bfd_print(const u_char *, u_int, u_int); 314extern void sip_print(const u_char *, u_int); 315extern void syslog_print(const u_char *, u_int); 316 317#ifdef INET6 318extern void ip6_print(const u_char *, u_int); 319extern void ip6_opt_print(const u_char *, int); 320extern int hbhopt_print(const u_char *); 321extern int dstopt_print(const u_char *); 322extern int frag6_print(const u_char *, const u_char *); 323extern int mobility_print(const u_char *, const u_char *); 324extern void icmp6_print(const u_char *, u_int, const u_char *, int); 325extern void ripng_print(const u_char *, unsigned int); 326extern int rt6_print(const u_char *, const u_char *); 327extern void ospf6_print(const u_char *, u_int); 328extern void dhcp6_print(const u_char *, u_int); 329#endif /*INET6*/ 330extern u_short in_cksum(const u_short *, register u_int, int); 331extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 332 333#ifndef HAVE_BPF_DUMP 334struct bpf_program; 335 336extern void bpf_dump(struct bpf_program *, int); 337 338#endif 339 340#include "netdissect.h" 341 342/* forward compatibility */ 343 344extern netdissect_options *gndo; 345 346#define eflag gndo->ndo_eflag 347#define fflag gndo->ndo_fflag 348#define nflag gndo->ndo_nflag 349#define Nflag gndo->ndo_Nflag 350#define Oflag gndo->ndo_Oflag 351#define pflag gndo->ndo_pflag 352#define qflag gndo->ndo_qflag 353#define Rflag gndo->ndo_Rflag 354#define sflag gndo->ndo_sflag 355#define Sflag gndo->ndo_Sflag 356#define tflag gndo->ndo_tflag 357#define Uflag gndo->ndo_Uflag 358#define uflag gndo->ndo_uflag 359#define vflag gndo->ndo_vflag 360#define xflag gndo->ndo_xflag 361#define Xflag gndo->ndo_Xflag 362#define Cflag gndo->ndo_Cflag 363#define Aflag gndo->ndo_Aflag 364#define suppress_default_print gndo->ndo_suppress_default_print 365#define packettype gndo->ndo_packettype 366#define tcpmd5secret gndo->ndo_tcpmd5secret 367#define Wflag gndo->ndo_Wflag 368#define WflagChars gndo->ndo_WflagChars 369#define Cflag_count gndo->ndo_Cflag_count 370#define snaplen gndo->ndo_snaplen 371#define snapend gndo->ndo_snapend 372 373