1 /* $OpenBSD: interface.h,v 1.28 2001/10/02 18:04:35 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that: (1) source code distributions 9 * retain the above copyright notice and this paragraph in its entirety, (2) 10 * distributions including binary code include the above copyright notice and 11 * this paragraph in its entirety in the documentation or other materials 12 * provided with the distribution, and (3) all advertising materials mentioning 13 * features or use of this software display the following acknowledgement: 14 * ``This product includes software developed by the University of California, 15 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 16 * the University nor the names of its contributors may be used to endorse 17 * or promote products derived from this software without specific prior 18 * written permission. 19 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 20 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 22 * 23 * @(#) $Header: /home/cvs/src/usr.sbin/tcpdump/interface.h,v 1.28 2001/10/02 18:04:35 deraadt Exp $ (LBL) 24 */ 25 26 #ifndef tcpdump_interface_h 27 #define tcpdump_interface_h 28 29 #include "gnuc.h" 30 #ifdef HAVE_OS_PROTO_H 31 #include "os-proto.h" 32 #endif 33 34 struct tok { 35 int v; /* value */ 36 char *s; /* string */ 37 }; 38 39 extern int aflag; /* translate network and broadcast addresses */ 40 extern int dflag; /* print filter code */ 41 extern int eflag; /* print ethernet header */ 42 extern int fflag; /* don't translate "foreign" IP address */ 43 extern int nflag; /* leave addresses as numbers */ 44 extern int Nflag; /* remove domains from printed host names */ 45 extern int qflag; /* quick (shorter) output */ 46 extern int Sflag; /* print raw TCP sequence numbers */ 47 extern int tflag; /* print packet arrival time */ 48 extern int vflag; /* verbose */ 49 extern int xflag; /* print packet in hex */ 50 extern int Xflag; /* print packet in hex/ascii */ 51 52 extern int packettype; /* as specified by -T */ 53 #define PT_VAT 1 /* Visual Audio Tool */ 54 #define PT_WB 2 /* distributed White Board */ 55 #define PT_RPC 3 /* Remote Procedure Call */ 56 #define PT_RTP 4 /* Real-Time Applications protocol */ 57 #define PT_RTCP 5 /* Real-Time Applications control protocol */ 58 #define PT_CNFP 6 /* Cisco NetFlow protocol */ 59 60 #ifndef min 61 #define min(a,b) ((a)>(b)?(b):(a)) 62 #endif 63 #ifndef max 64 #define max(a,b) ((b)>(a)?(b):(a)) 65 #endif 66 67 #ifndef INET6 68 /* 69 * The default snapshot length. This value allows most printers to print 70 * useful information while keeping the amount of unwanted data down. 71 * In particular, it allows for an ethernet header, tcp/ip header, and 72 * 14 bytes of data (assuming no ip options). 73 */ 74 #define DEFAULT_SNAPLEN 68 75 #else 76 #define DEFAULT_SNAPLEN 96 77 #endif /* INET6 */ 78 #define SACK_SNAPLEN 94 79 80 #ifndef BIG_ENDIAN 81 #define BIG_ENDIAN 4321 82 #define LITTLE_ENDIAN 1234 83 #endif 84 85 #ifdef ETHER_HEADER_HAS_EA 86 #define ESRC(ep) ((ep)->ether_shost.ether_addr_octet) 87 #define EDST(ep) ((ep)->ether_dhost.ether_addr_octet) 88 #else 89 #define ESRC(ep) ((ep)->ether_shost) 90 #define EDST(ep) ((ep)->ether_dhost) 91 #endif 92 93 #ifdef ETHER_ARP_HAS_X 94 #define SHA(ap) ((ap)->arp_xsha) 95 #define THA(ap) ((ap)->arp_xtha) 96 #define SPA(ap) ((ap)->arp_xspa) 97 #define TPA(ap) ((ap)->arp_xtpa) 98 #else 99 #ifdef ETHER_ARP_HAS_EA 100 #define SHA(ap) ((ap)->arp_sha.ether_addr_octet) 101 #define THA(ap) ((ap)->arp_tha.ether_addr_octet) 102 #else 103 #define SHA(ap) ((ap)->arp_sha) 104 #define THA(ap) ((ap)->arp_tha) 105 #endif 106 #define SPA(ap) ((ap)->arp_spa) 107 #define TPA(ap) ((ap)->arp_tpa) 108 #endif 109 110 #ifndef NTOHL 111 #define NTOHL(x) (x) = ntohl(x) 112 #define NTOHS(x) (x) = ntohs(x) 113 #define HTONL(x) (x) = htonl(x) 114 #define HTONS(x) (x) = htons(x) 115 #endif 116 #endif 117 118 extern char *program_name; /* used to generate self-identifying messages */ 119 120 extern int32_t thiszone; /* seconds offset from gmt to local time */ 121 122 extern int snaplen; 123 /* global pointers to beginning and end of current packet (during printing) */ 124 extern const u_char *packetp; 125 extern const u_char *snapend; 126 127 /* True if "l" bytes of "var" were captured */ 128 #define TTEST2(var, l) ((u_char *)&(var) <= snapend - (l)) 129 130 /* True if "var" was captured */ 131 #define TTEST(var) TTEST2(var, sizeof(var)) 132 133 /* Bail if "l" bytes of "var" were not captured */ 134 #define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc 135 136 /* Bail if "var" was not captured */ 137 #define TCHECK(var) TCHECK2(var, sizeof(var)) 138 139 #ifdef __STDC__ 140 struct timeval; 141 struct bpf_timeval; 142 #endif 143 144 extern void ts_print(const struct bpf_timeval *); 145 146 extern int fn_print(const u_char *, const u_char *); 147 extern int fn_printn(const u_char *, u_int, const u_char *); 148 extern void relts_print(int); 149 extern const char *tok2str(const struct tok *, const char *, int); 150 extern char *dnaddr_string(u_short); 151 extern void safeputs(const char *); 152 extern void safeputchar(int); 153 154 extern void wrapup(int); 155 156 #ifdef __STDC__ 157 extern __dead void error(const char *, ...) 158 __attribute__((volatile, format (printf, 1, 2))); 159 extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2))); 160 #endif 161 162 extern char *read_infile(char *); 163 extern char *copy_argv(char **); 164 165 extern char *isonsap_string(const u_char *); 166 extern char *llcsap_string(u_char); 167 extern char *protoid_string(const u_char *); 168 extern char *dnname_string(u_short); 169 extern char *dnnum_string(u_short); 170 171 /* The printer routines. */ 172 173 #ifdef __STDC__ 174 struct pcap_pkthdr; 175 #endif 176 177 extern int ether_encap_print(u_short, const u_char *, u_int, u_int); 178 extern int llc_print(const u_char *, u_int, u_int, const u_char *, 179 const u_char *); 180 extern int pppoe_if_print(u_short, const u_char *, u_int, u_int); 181 extern void aarp_print(const u_char *, u_int); 182 extern void arp_print(const u_char *, u_int, u_int); 183 extern void atalk_print(const u_char *, u_int); 184 extern void atalk_print_llap(const u_char *, u_int); 185 extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 186 extern void bootp_print(const u_char *, u_int, u_short, u_short); 187 extern void bgp_print(const u_char *, int); 188 extern void decnet_print(const u_char *, u_int, u_int); 189 extern void default_print(const u_char *, u_int); 190 extern void default_print_unaligned(const u_char *, u_int); 191 extern void dvmrp_print(const u_char *, u_int); 192 extern void egp_print(const u_char *, u_int, const u_char *); 193 extern void enc_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 194 extern void pflog_if_print(u_char *, const struct pcap_pkthdr *, 195 const u_char *); 196 extern void ether_if_print(u_char *, const struct pcap_pkthdr *, 197 const u_char *); 198 extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 199 extern void gre_print(const u_char *, u_int); 200 extern void icmp_print(const u_char *, const u_char *); 201 extern void igrp_print(const u_char *, u_int, const u_char *); 202 extern void ip_print(const u_char *, u_int); 203 extern void ipx_print(const u_char *, u_int); 204 extern void isoclns_print(const u_char *, u_int, u_int, const u_char *, 205 const u_char *); 206 extern void krb_print(const u_char *, u_int); 207 extern void netbeui_print(u_short, const u_char *, const u_char *); 208 extern void ipx_netbios_print(const u_char *, const u_char *); 209 extern void nbt_tcp_print(const u_char *, int); 210 extern void nbt_udp137_print(const u_char *data, int); 211 extern void nbt_udp138_print(const u_char *data, int); 212 extern char *smb_errstr(int, int); 213 extern void print_data(const unsigned char *, int); 214 extern void l2tp_print(const u_char *dat, u_int length); 215 extern void vrrp_print(const u_char *bp, u_int len, int ttl); 216 extern void nfsreply_print(const u_char *, u_int, const u_char *); 217 extern void nfsreq_print(const u_char *, u_int, const u_char *); 218 extern void ns_print(const u_char *, u_int); 219 extern void ntp_print(const u_char *, u_int); 220 extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 221 extern void ospf_print(const u_char *, u_int, const u_char *); 222 extern void mobile_print(const u_char *, u_int); 223 extern void pim_print(const u_char *, u_int); 224 extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 225 extern void raw_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 226 extern void rip_print(const u_char *, u_int); 227 extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 228 extern void sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *, 229 const u_char *); 230 extern void snmp_print(const u_char *, u_int); 231 extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 232 extern void cnfp_print(const u_char *, u_int, const u_char *); 233 extern void tcp_print(const u_char *, u_int, const u_char *); 234 extern void tftp_print(const u_char *, u_int); 235 extern void timed_print(const u_char *, u_int); 236 extern void udp_print(const u_char *, u_int, const u_char *); 237 extern void wb_print(const void *, u_int); 238 extern void ike_print(const u_char *, u_int); 239 extern void ah_print(const u_char *, u_int, const u_char *); 240 extern void esp_print(const u_char *, u_int, const u_char *); 241 extern void cdp_print(const u_char *, u_int, u_int, const u_char *, 242 const u_char *); 243 extern void stp_print(const u_char *, u_int); 244 extern void radius_print(const u_char *, u_int); 245 extern void lwres_print(const u_char *, u_int); 246 extern void ether_print(const u_char *, u_int); 247 extern void etherip_print(const u_char *, u_int, const u_char *); 248 249 #ifdef INET6 250 extern void ip6_print(const u_char *, int); 251 extern void ip6_opt_print(const u_char *, int); 252 extern int hbhopt_print(const u_char *); 253 extern int dstopt_print(const u_char *); 254 extern int frag6_print(const u_char *, const u_char *); 255 extern void icmp6_print(const u_char *, const u_char *); 256 extern void ripng_print(const u_char *, int); 257 extern int rt6_print(const u_char *, const u_char *); 258 extern void ospf6_print(const u_char *, u_int); 259 extern void dhcp6_print(const u_char *, u_int, u_short, u_short); 260 #endif /*INET6*/ 261 262 extern u_short in_cksum(const u_short *addr, register int len, u_short csum); 263