tcpdump.tproj/interface.h

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.0 (the 'License').  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License."
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*
  25  * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
  26  *      The Regents of the University of California.  All rights reserved.
  27  *
  28  * Redistribution and use in source and binary forms, with or without
  29  * modification, are permitted provided that: (1) source code distributions
  30  * retain the above copyright notice and this paragraph in its entirety, (2)
  31  * distributions including binary code include the above copyright notice and
  32  * this paragraph in its entirety in the documentation or other materials
  33  * provided with the distribution, and (3) all advertising materials mentioning
  34  * features or use of this software display the following acknowledgement:
  35  * ``This product includes software developed by the University of California,
  36  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  37  * the University nor the names of its contributors may be used to endorse
  38  * or promote products derived from this software without specific prior
  39  * written permission.
  40  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  41  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  42  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  43  *
  44  * @(#) $Header: /cvs/Darwin/Commands/NeXT/network_cmds/tcpdump.tproj/interface.h,v 1.1.1.1 1999/05/02 03:58:32 wsanchez Exp $ (LBL)
  45  */
  46
  47 #ifndef tcpdump_interface_h
  48 #define tcpdump_interface_h
  49 #ifndef IPPROTO_ND
  50 #define IPPROTO_ND      77
  51 #endif
  52
  53
  54 #include "gnuc.h"
  55 #ifdef HAVE_OS_PROTO_H
  56 #include "os-proto.h"
  57 #endif
  58
  59 struct tok {
  60         int v;                  /* value */
  61         char *s;                /* string */
  62 };
  63
  64 extern int dflag;               /* print filter code */
  65 extern int eflag;               /* print ethernet header */
  66 extern int nflag;               /* leave addresses as numbers */
  67 extern int Nflag;               /* remove domains from printed host names */
  68 extern int qflag;               /* quick (shorter) output */
  69 extern int Sflag;               /* print raw TCP sequence numbers */
  70 extern int tflag;               /* print packet arrival time */
  71 extern int vflag;               /* verbose */
  72 extern int xflag;               /* print packet in hex */
  73
  74 extern int packettype;          /* as specified by -T */
  75 #define PT_VAT          1       /* Visual Audio Tool */
  76 #define PT_WB           2       /* distributed White Board */
  77 #define PT_RPC          3       /* Remote Procedure Call */
  78 #define PT_RTP          4       /* Real-Time Applications protocol */
  79 #define PT_RTCP         5       /* Real-Time Applications control protocol */
  80
  81 #ifndef min
  82 #define min(a,b) ((a)>(b)?(b):(a))
  83 #endif
  84 #ifndef max
  85 #define max(a,b) ((b)>(a)?(b):(a))
  86 #endif
  87
  88 /*
  89  * The default snapshot length.  This value allows most printers to print
  90  * useful information while keeping the amount of unwanted data down.
  91  * In particular, it allows for an ethernet header, tcp/ip header, and
  92  * 14 bytes of data (assuming no ip options).
  93  */
  94 #define DEFAULT_SNAPLEN 68
  95
  96 #ifndef BIG_ENDIAN
  97 #define BIG_ENDIAN 4321
  98 #define LITTLE_ENDIAN 1234
  99 #endif
 100
 101 #ifdef ETHER_HEADER_HAS_EA
 102 #define ESRC(ep) ((ep)->ether_shost.ether_addr_octet)
 103 #define EDST(ep) ((ep)->ether_dhost.ether_addr_octet)
 104 #else
 105 #define ESRC(ep) ((ep)->ether_shost)
 106 #define EDST(ep) ((ep)->ether_dhost)
 107 #endif
 108
 109 #ifdef ETHER_ARP_HAS_X
 110 #define SHA(ap) ((ap)->arp_xsha)
 111 #define THA(ap) ((ap)->arp_xtha)
 112 #define SPA(ap) ((ap)->arp_xspa)
 113 #define TPA(ap) ((ap)->arp_xtpa)
 114 #else
 115 #ifdef ETHER_ARP_HAS_EA
 116 #define SHA(ap) ((ap)->arp_sha.ether_addr_octet)
 117 #define THA(ap) ((ap)->arp_tha.ether_addr_octet)
 118 #else
 119 #define SHA(ap) ((ap)->arp_sha)
 120 #define THA(ap) ((ap)->arp_tha)
 121 #endif
 122 #define SPA(ap) ((ap)->arp_spa)
 123 #define TPA(ap) ((ap)->arp_tpa)
 124 #endif
 125
 126 #ifndef NTOHL
 127 #define NTOHL(x)        (x) = ntohl(x)
 128 #define NTOHS(x)        (x) = ntohs(x)
 129 #define HTONL(x)        (x) = htonl(x)
 130 #define HTONS(x)        (x) = htons(x)
 131 #endif
 132 #endif
 133
 134 extern char *program_name;      /* used to generate self-identifying messages */
 135
 136 extern int32_t thiszone;        /* seconds offset from gmt to local time */
 137
 138 extern int snaplen;
 139 /* global pointers to beginning and end of current packet (during printing) */
 140 extern const u_char *packetp;
 141 extern const u_char *snapend;
 142
 143 /* True if  "l" bytes of "var" were captured */
 144 #define TTEST2(var, l) ((u_char *)&(var) <= snapend - (l))
 145
 146 /* True if "var" was captured */
 147 #define TTEST(var) TTEST2(var, sizeof(var))
 148
 149 /* Bail if "l" bytes of "var" were not captured */
 150 #define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc
 151
 152 /* Bail if "var" was not captured */
 153 #define TCHECK(var) TCHECK2(var, sizeof(var))
 154
 155 #ifdef __STDC__
 156 struct timeval;
 157 #endif
 158
 159 extern void ts_print(const struct timeval *);
 160 extern int32_t gmt2local(void);
 161
 162 extern int fn_print(const u_char *, const u_char *);
 163 extern int fn_printn(const u_char *, u_int, const u_char *);
 164 extern const char *tok2str(const struct tok *, const char *, int);
 165 extern char *dnaddr_string(u_short);
 166 extern char *savestr(const char *);
 167
 168 extern void wrapup(int);
 169
 170 #if __STDC__
 171 extern __dead void error(const char *, ...)
 172     __attribute__((volatile, format (printf, 1, 2)));
 173 extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
 174 #endif
 175
 176 extern char *read_infile(char *);
 177 extern char *copy_argv(char **);
 178
 179 extern char *isonsap_string(const u_char *);
 180 extern char *llcsap_string(u_char);
 181 extern char *protoid_string(const u_char *);
 182 extern char *dnname_string(u_short);
 183 extern char *dnnum_string(u_short);
 184
 185 /* The printer routines. */
 186
 187 #ifdef __STDC__
 188 struct pcap_pkthdr;
 189 #endif
 190
 191 extern int ether_encap_print(u_short, const u_char *, u_int, u_int);
 192 extern int llc_print(const u_char *, u_int, u_int, const u_char *,
 193         const u_char *);
 194 extern void aarp_print(const u_char *, u_int);
 195 extern void arp_print(const u_char *, u_int, u_int);
 196 extern void atalk_print(const u_char *, u_int);
 197 extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
 198 extern void bootp_print(const u_char *, u_int, u_short, u_short);
 199 extern void decnet_print(const u_char *, u_int, u_int);
 200 extern void default_print(const u_char *, u_int);
 201 extern void default_print_unaligned(const u_char *, u_int);
 202 extern void dvmrp_print(const u_char *, u_int);
 203 extern void egp_print(const u_char *, u_int, const u_char *);
 204 extern void ether_if_print(u_char *, const struct pcap_pkthdr *,
 205         const u_char *);
 206 extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
 207 extern void gre_print(const u_char *, u_int);
 208 extern void icmp_print(const u_char *, const u_char *);
 209 extern void igrp_print(const u_char *, u_int, const u_char *);
 210 extern void ip_print(const u_char *, u_int);
 211 extern void ipx_print(const u_char *, u_int);
 212 extern void isoclns_print(const u_char *, u_int, u_int, const u_char *,
 213         const u_char *);
 214 extern void krb_print(const u_char *, u_int);
 215 extern void nfsreply_print(const u_char *, u_int, const u_char *);
 216 extern void nfsreq_print(const u_char *, u_int, const u_char *);
 217 extern void ns_print(const u_char *, u_int);
 218 extern void ntp_print(const u_char *, u_int);
 219 extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
 220 extern void ospf_print(const u_char *, u_int, const u_char *);
 221 extern void pim_print(const u_char *, u_int);
 222 extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
 223 extern void rip_print(const u_char *, u_int);
 224 extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
 225 extern void snmp_print(const u_char *, u_int);
 226 extern void sunrpcrequest_print(const u_char *, u_int, const u_char *);
 227 extern void tcp_print(const u_char *, u_int, const u_char *);
 228 extern void tftp_print(const u_char *, u_int);
 229 extern void udp_print(const u_char *, u_int, const u_char *);
 230 extern void wb_print(const void *, u_int);