interface.h revision 98527
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 1.178 2002/01/21 11:39:58 mcr Exp $ (LBL) 22 * 23 * $FreeBSD: head/contrib/tcpdump/interface.h 98527 2002-06-21 00:49:02Z fenner $ 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#include <sys/types.h> 33#include <sys/time.h> 34 35#ifndef HAVE___ATTRIBUTE__ 36#define __attribute__(x) 37#endif 38 39/* snprintf et al */ 40 41#include <stdarg.h> 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 64struct tok { 65 int v; /* value */ 66 const char *s; /* string */ 67}; 68 69extern int aflag; /* translate network and broadcast addresses */ 70extern int dflag; /* print filter code */ 71extern int eflag; /* print ethernet header */ 72extern int fflag; /* don't translate "foreign" IP address */ 73extern int nflag; /* leave addresses as numbers */ 74extern int Nflag; /* remove domains from printed host names */ 75extern int qflag; /* quick (shorter) output */ 76extern int Rflag; /* print sequence # field in AH/ESP*/ 77extern int sflag; /* use the libsmi to translate OIDs */ 78extern int Sflag; /* print raw TCP sequence numbers */ 79extern int tflag; /* print packet arrival time */ 80extern int uflag; /* Print undecoded NFS handles */ 81extern int vflag; /* verbose */ 82extern int xflag; /* print packet in hex */ 83extern int Xflag; /* print packet in hex/ascii */ 84 85extern char *espsecret; 86extern struct esp_algorithm *espsecret_xform; /* cache of decoded alg. */ 87extern char *espsecret_key; 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 98#ifndef min 99#define min(a,b) ((a)>(b)?(b):(a)) 100#endif 101#ifndef max 102#define max(a,b) ((b)>(a)?(b):(a)) 103#endif 104 105/* 106 * The default snapshot length. This value allows most printers to print 107 * useful information while keeping the amount of unwanted data down. 108 */ 109#ifndef INET6 110#define DEFAULT_SNAPLEN 68 /* ether + IPv4 + TCP + 14 */ 111#else 112#define DEFAULT_SNAPLEN 96 /* ether + IPv6 + TCP + 22 */ 113#endif 114 115#ifndef BIG_ENDIAN 116#define BIG_ENDIAN 4321 117#define LITTLE_ENDIAN 1234 118#endif 119 120#define ESRC(ep) ((ep)->ether_shost) 121#define EDST(ep) ((ep)->ether_dhost) 122 123#ifndef NTOHL 124#define NTOHL(x) (x) = ntohl(x) 125#define NTOHS(x) (x) = ntohs(x) 126#define HTONL(x) (x) = htonl(x) 127#define HTONS(x) (x) = htons(x) 128#endif 129#endif 130 131extern char *program_name; /* used to generate self-identifying messages */ 132 133extern int32_t thiszone; /* seconds offset from gmt to local time */ 134 135extern int snaplen; 136/* global pointers to beginning and end of current packet (during printing) */ 137extern const u_char *packetp; 138extern const u_char *snapend; 139 140/* 141 * True if "l" bytes of "var" were captured. 142 * 143 * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large 144 * that "snapend - (l)" underflows. 145 * 146 * The check is for <= rather than < because "l" might be 0. 147 */ 148#define TTEST2(var, l) (snapend - (l) <= snapend && \ 149 (const u_char *)&(var) <= snapend - (l)) 150 151/* True if "var" was captured */ 152#define TTEST(var) TTEST2(var, sizeof(var)) 153 154/* Bail if "l" bytes of "var" were not captured */ 155#define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc 156 157/* Bail if "var" was not captured */ 158#define TCHECK(var) TCHECK2(var, sizeof(var)) 159 160extern void ts_print(const struct timeval *); 161extern void relts_print(int); 162 163extern int fn_print(const u_char *, const u_char *); 164extern int fn_printn(const u_char *, u_int, const u_char *); 165extern const char *tok2str(const struct tok *, const char *, int); 166extern const char *tok2strary_internal(const char **, int, const char *, int); 167#define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) 168 169extern const char *dnaddr_string(u_short); 170 171extern void info(int); 172extern int infodelay; 173extern int infoprint; 174 175extern void error(const char *, ...) 176 __attribute__((noreturn, format (printf, 1, 2))); 177extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2))); 178 179extern char *read_infile(char *); 180extern char *copy_argv(char **); 181 182extern void safeputchar(int); 183extern void safeputs(const char *); 184 185extern const char *isonsap_string(const u_char *); 186extern const char *llcsap_string(u_char); 187extern const char *protoid_string(const u_char *); 188extern const char *ipxsap_string(u_short); 189extern const char *dnname_string(u_short); 190extern const char *dnnum_string(u_short); 191 192/* The printer routines. */ 193 194#include <pcap.h> 195 196extern void ascii_print_with_offset(const u_char *, u_int, u_int); 197extern void ascii_print(const u_char *, u_int); 198extern void hex_print_with_offset(const u_char *, u_int, u_int); 199extern void telnet_print(const u_char *, u_int); 200extern void hex_print(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 void aarp_print(const u_char *, u_int); 205extern void arp_print(const u_char *, u_int, u_int); 206extern void atalk_print(const u_char *, u_int); 207extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 208extern void bootp_print(const u_char *, u_int, u_short, u_short); 209extern void bgp_print(const u_char *, int); 210extern void beep_print(const u_char *, u_int); 211extern void cnfp_print(const u_char *, u_int, const u_char *); 212extern void decnet_print(const u_char *, u_int, u_int); 213extern void default_print(const u_char *, u_int); 214extern void default_print_unaligned(const u_char *, u_int); 215extern void dvmrp_print(const u_char *, u_int); 216extern void egp_print(const u_char *, u_int, const u_char *); 217extern void arcnet_if_print(u_char *, const struct pcap_pkthdr *, 218 const u_char *); 219extern void ether_if_print(u_char *, const struct pcap_pkthdr *, 220 const u_char *); 221extern void token_if_print(u_char *, const struct pcap_pkthdr *, 222 const u_char *); 223extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 224extern void ieee802_11_if_print(u_char *, const struct pcap_pkthdr *, 225 const u_char *); 226extern void gre_print(const u_char *, u_int); 227extern void icmp_print(const u_char *, u_int, const u_char *); 228extern void igmp_print(const u_char *, u_int); 229extern void igrp_print(const u_char *, u_int, const u_char *); 230extern void ip_print(const u_char *, u_int); 231extern void ipN_print(const u_char *, u_int); 232extern void ipx_print(const u_char *, u_int); 233extern void isoclns_print(const u_char *, u_int, u_int, const u_char *, 234 const u_char *); 235extern void krb_print(const u_char *, u_int); 236extern void llap_print(const u_char *, u_int); 237extern void ltalk_if_print(u_char *, const struct pcap_pkthdr *, 238 const u_char *); 239extern void msdp_print(const unsigned char *, u_int); 240extern void nfsreply_print(const u_char *, u_int, const u_char *); 241extern void nfsreq_print(const u_char *, u_int, const u_char *); 242extern void ns_print(const u_char *, u_int); 243extern void ntp_print(const u_char *, u_int); 244extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 245extern void ospf_print(const u_char *, u_int, const u_char *); 246extern void pimv1_print(const u_char *, u_int); 247extern void cisco_autorp_print(const u_char *, u_int); 248extern void mobile_print(const u_char *, u_int); 249extern void pim_print(const u_char *, u_int); 250extern void pppoe_print(const u_char *, u_int); 251extern void ppp_print(register const u_char *, u_int); 252extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 253extern void ppp_hdlc_if_print(u_char *, const struct pcap_pkthdr *, 254 const u_char *); 255extern void ppp_bsdos_if_print(u_char *, const struct pcap_pkthdr *, 256 const u_char *); 257extern void pppoe_if_print(u_char *, const struct pcap_pkthdr *, 258 const u_char *); 259extern int vjc_print(register const char *, register u_int, u_short); 260extern void raw_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 261extern void rip_print(const u_char *, u_int); 262extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 263extern void lane_if_print(u_char *, const struct pcap_pkthdr *,const u_char *); 264extern void cip_if_print(u_char *, const struct pcap_pkthdr *,const u_char *); 265extern void sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *, 266 const u_char *); 267extern void chdlc_if_print(u_char *, const struct pcap_pkthdr *, 268 const u_char *); 269extern void chdlc_print(register const u_char *, u_int, u_int); 270extern void sll_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 271extern void snmp_print(const u_char *, u_int); 272extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 273extern void tcp_print(const u_char *, u_int, const u_char *, int); 274extern void tftp_print(const u_char *, u_int); 275extern void timed_print(const u_char *, u_int); 276extern void udp_print(const u_char *, u_int, const u_char *, int); 277extern void wb_print(const void *, u_int); 278extern int ah_print(register const u_char *, register const u_char *); 279extern int esp_print(register const u_char *, register const u_char *, int *, int *); 280extern void isakmp_print(const u_char *, u_int, const u_char *); 281extern int ipcomp_print(register const u_char *, register const u_char *, int *); 282extern void rx_print(register const u_char *, int, int, int, u_char *); 283extern void netbeui_print(u_short, const u_char *, int); 284extern void ipx_netbios_print(const u_char *, u_int); 285extern void nbt_tcp_print(const u_char *, int); 286extern void nbt_udp137_print(const u_char *, int); 287extern void nbt_udp138_print(const u_char *, int); 288extern char *smb_errstr(int, int); 289extern void print_data(const unsigned char *, int); 290extern void l2tp_print(const u_char *, u_int); 291extern void lcp_print(const u_char *, u_int); 292extern void vrrp_print(const u_char *, u_int, int); 293extern void cdp_print(const u_char *, u_int, u_int, const u_char *, 294 const u_char *); 295extern void stp_print(const u_char *, u_int); 296extern void radius_print(const u_char *, u_int); 297extern void lwres_print(const u_char *, u_int); 298extern void pptp_print(const u_char *, u_int); 299extern void sctp_print(const u_char *, const u_char *, u_int); 300extern void mpls_print(const u_char *, u_int); 301extern void zephyr_print(const u_char *, int); 302extern void hsrp_print(const u_char *, u_int); 303 304#ifdef INET6 305extern void ip6_print(const u_char *, u_int); 306extern void ip6_opt_print(const u_char *, int); 307extern int hbhopt_print(const u_char *); 308extern int dstopt_print(const u_char *); 309extern int frag6_print(const u_char *, const u_char *); 310extern void icmp6_print(const u_char *, const u_char *); 311extern void ripng_print(const u_char *, unsigned int); 312extern int rt6_print(const u_char *, const u_char *); 313extern void ospf6_print(const u_char *, u_int); 314extern void dhcp6_print(const u_char *, u_int, u_int16_t, u_int16_t); 315#endif /*INET6*/ 316extern u_short in_cksum(const u_short *, register u_int, int); 317 318#ifndef HAVE_BPF_DUMP 319struct bpf_program; 320 321extern void bpf_dump(struct bpf_program *, int); 322#endif 323