1/*
2 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
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: interface.h,v 1.105 97/04/26 13:39:58 leres Exp $ (LBL)
22 */
23
24#ifndef tcpdump_interface_h
25#define tcpdump_interface_h
26
27#include "gnuc.h"
28#ifdef HAVE_OS_PROTO_H
29#include "os-proto.h"
30#endif
31
32struct tok {
33 int v; /* value */
34 char *s; /* string */
35};
36
37extern int aflag; /* translate network and broadcast addresses */
38extern int dflag; /* print filter code */
39extern int eflag; /* print ethernet header */
40extern int fflag; /* don't translate "foreign" IP address */
41extern int nflag; /* leave addresses as numbers */
42extern int Nflag; /* remove domains from printed host names */
43extern int qflag; /* quick (shorter) output */
44extern int Sflag; /* print raw TCP sequence numbers */
45extern int tflag; /* print packet arrival time */
46extern int vflag; /* verbose */
47extern int xflag; /* print packet in hex */
48
49extern int packettype; /* as specified by -T */
50#define PT_VAT 1 /* Visual Audio Tool */
51#define PT_WB 2 /* distributed White Board */
52#define PT_RPC 3 /* Remote Procedure Call */
53#define PT_RTP 4 /* Real-Time Applications protocol */
54#define PT_RTCP 5 /* Real-Time Applications control protocol */
55
56#ifndef min
57#define min(a,b) ((a)>(b)?(b):(a))
58#endif
59#ifndef max
60#define max(a,b) ((b)>(a)?(b):(a))
61#endif
62
63/*
64 * The default snapshot length. This value allows most printers to print
65 * useful information while keeping the amount of unwanted data down.
66 * In particular, it allows for an ethernet header, tcp/ip header, and
67 * 14 bytes of data (assuming no ip options).
68 */
69#define DEFAULT_SNAPLEN 68
70
71#ifndef BIG_ENDIAN
72#define BIG_ENDIAN 4321
73#define LITTLE_ENDIAN 1234
74#endif
75
76#ifdef ETHER_HEADER_HAS_EA
77#define ESRC(ep) ((ep)->ether_shost.ether_addr_octet)
78#define EDST(ep) ((ep)->ether_dhost.ether_addr_octet)
79#else
80#define ESRC(ep) ((ep)->ether_shost)
81#define EDST(ep) ((ep)->ether_dhost)
82#endif
83
84#ifdef ETHER_ARP_HAS_X
85#define SHA(ap) ((ap)->arp_xsha)
86#define THA(ap) ((ap)->arp_xtha)
87#define SPA(ap) ((ap)->arp_xspa)
88#define TPA(ap) ((ap)->arp_xtpa)
89#else
90#ifdef ETHER_ARP_HAS_EA
91#define SHA(ap) ((ap)->arp_sha.ether_addr_octet)
92#define THA(ap) ((ap)->arp_tha.ether_addr_octet)
93#else
94#define SHA(ap) ((ap)->arp_sha)
95#define THA(ap) ((ap)->arp_tha)
96#endif
97#define SPA(ap) ((ap)->arp_spa)
98#define TPA(ap) ((ap)->arp_tpa)
99#endif
100
101#ifndef NTOHL
102#define NTOHL(x) (x) = ntohl(x)
103#define NTOHS(x) (x) = ntohs(x)
104#define HTONL(x) (x) = htonl(x)
105#define HTONS(x) (x) = htons(x)
106#endif
107#endif
108
109extern char *program_name; /* used to generate self-identifying messages */
110
111extern int32_t thiszone; /* seconds offset from gmt to local time */
112
113extern int snaplen;
114/* global pointers to beginning and end of current packet (during printing) */
115extern const u_char *packetp;
116extern const u_char *snapend;
117
118/* True if "l" bytes of "var" were captured */
119#define TTEST2(var, l) ((u_char *)&(var) <= snapend - (l))
120
121/* True if "var" was captured */
122#define TTEST(var) TTEST2(var, sizeof(var))
123
124/* Bail if "l" bytes of "var" were not captured */
125#define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc
126
127/* Bail if "var" was not captured */
128#define TCHECK(var) TCHECK2(var, sizeof(var))
129
130#ifdef __STDC__
131struct timeval;
132#endif
133
134extern void ts_print(const struct timeval *);
135
136extern int fn_print(const u_char *, const u_char *);
137extern int fn_printn(const u_char *, u_int, const u_char *);
138extern const char *tok2str(const struct tok *, const char *, int);
139extern char *dnaddr_string(u_short);
140
141extern void wrapup(int);
142
143#if __STDC__
144extern __dead void error(const char *, ...)
145 __attribute__((volatile, format (printf, 1, 2)));
146extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
147#endif
148
149extern char *read_infile(char *);
150extern char *copy_argv(char **);
151
152extern char *isonsap_string(const u_char *);
153extern char *llcsap_string(u_char);
154extern char *protoid_string(const u_char *);
155extern char *dnname_string(u_short);
156extern char *dnnum_string(u_short);
157
158/* The printer routines. */
159
160#ifdef __STDC__
161struct pcap_pkthdr;
162#endif
163
164extern int ether_encap_print(u_short, const u_char *, u_int, u_int);
165extern int llc_print(const u_char *, u_int, u_int, const u_char *,
166 const u_char *);
167extern void aarp_print(const u_char *, u_int);
168extern void arp_print(const u_char *, u_int, u_int);
169extern void atalk_print(const u_char *, u_int);
170extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
171extern void bootp_print(const u_char *, u_int, u_short, u_short);
172extern void decnet_print(const u_char *, u_int, u_int);
173extern void default_print(const u_char *, u_int);
174extern void default_print_unaligned(const u_char *, u_int);
175extern void dvmrp_print(const u_char *, u_int);
176extern void egp_print(const u_char *, u_int, const u_char *);
177extern void ether_if_print(u_char *, const struct pcap_pkthdr *,
178 const u_char *);
179extern void token_if_print(u_char *, const struct pcap_pkthdr *,
180 const u_char *);
181extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
182extern void gre_print(const u_char *, u_int);
183extern void icmp_print(const u_char *, const u_char *);
184extern void igrp_print(const u_char *, u_int, const u_char *);
185extern void ip_print(const u_char *, u_int);
186extern void ipx_print(const u_char *, u_int);
187extern void isoclns_print(const u_char *, u_int, u_int, const u_char *,
188 const u_char *);
189extern void krb_print(const u_char *, u_int);
190extern void nfsreply_print(const u_char *, u_int, const u_char *);
191extern void nfsreq_print(const u_char *, u_int, const u_char *);
192extern void ns_print(const u_char *, u_int);
193extern void ntp_print(const u_char *, u_int);
194extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
195extern void ospf_print(const u_char *, u_int, const u_char *);
196extern void pim_print(const u_char *, u_int);
197extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
198extern void ppp_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
199 const u_char *);
200extern void raw_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
201extern void rip_print(const u_char *, u_int);
202extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
203extern void sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
204 const u_char *);
205extern void snmp_print(const u_char *, u_int);
206extern void sunrpcrequest_print(const u_char *, u_int, const u_char *);
207extern void tcp_print(const u_char *, u_int, const u_char *);
208extern void tftp_print(const u_char *, u_int);
209extern void udp_print(const u_char *, u_int, const u_char *);
210extern void wb_print(const void *, u_int);
2 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
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: interface.h,v 1.105 97/04/26 13:39:58 leres Exp $ (LBL)
22 */
23
24#ifndef tcpdump_interface_h
25#define tcpdump_interface_h
26
27#include "gnuc.h"
28#ifdef HAVE_OS_PROTO_H
29#include "os-proto.h"
30#endif
31
32struct tok {
33 int v; /* value */
34 char *s; /* string */
35};
36
37extern int aflag; /* translate network and broadcast addresses */
38extern int dflag; /* print filter code */
39extern int eflag; /* print ethernet header */
40extern int fflag; /* don't translate "foreign" IP address */
41extern int nflag; /* leave addresses as numbers */
42extern int Nflag; /* remove domains from printed host names */
43extern int qflag; /* quick (shorter) output */
44extern int Sflag; /* print raw TCP sequence numbers */
45extern int tflag; /* print packet arrival time */
46extern int vflag; /* verbose */
47extern int xflag; /* print packet in hex */
48
49extern int packettype; /* as specified by -T */
50#define PT_VAT 1 /* Visual Audio Tool */
51#define PT_WB 2 /* distributed White Board */
52#define PT_RPC 3 /* Remote Procedure Call */
53#define PT_RTP 4 /* Real-Time Applications protocol */
54#define PT_RTCP 5 /* Real-Time Applications control protocol */
55
56#ifndef min
57#define min(a,b) ((a)>(b)?(b):(a))
58#endif
59#ifndef max
60#define max(a,b) ((b)>(a)?(b):(a))
61#endif
62
63/*
64 * The default snapshot length. This value allows most printers to print
65 * useful information while keeping the amount of unwanted data down.
66 * In particular, it allows for an ethernet header, tcp/ip header, and
67 * 14 bytes of data (assuming no ip options).
68 */
69#define DEFAULT_SNAPLEN 68
70
71#ifndef BIG_ENDIAN
72#define BIG_ENDIAN 4321
73#define LITTLE_ENDIAN 1234
74#endif
75
76#ifdef ETHER_HEADER_HAS_EA
77#define ESRC(ep) ((ep)->ether_shost.ether_addr_octet)
78#define EDST(ep) ((ep)->ether_dhost.ether_addr_octet)
79#else
80#define ESRC(ep) ((ep)->ether_shost)
81#define EDST(ep) ((ep)->ether_dhost)
82#endif
83
84#ifdef ETHER_ARP_HAS_X
85#define SHA(ap) ((ap)->arp_xsha)
86#define THA(ap) ((ap)->arp_xtha)
87#define SPA(ap) ((ap)->arp_xspa)
88#define TPA(ap) ((ap)->arp_xtpa)
89#else
90#ifdef ETHER_ARP_HAS_EA
91#define SHA(ap) ((ap)->arp_sha.ether_addr_octet)
92#define THA(ap) ((ap)->arp_tha.ether_addr_octet)
93#else
94#define SHA(ap) ((ap)->arp_sha)
95#define THA(ap) ((ap)->arp_tha)
96#endif
97#define SPA(ap) ((ap)->arp_spa)
98#define TPA(ap) ((ap)->arp_tpa)
99#endif
100
101#ifndef NTOHL
102#define NTOHL(x) (x) = ntohl(x)
103#define NTOHS(x) (x) = ntohs(x)
104#define HTONL(x) (x) = htonl(x)
105#define HTONS(x) (x) = htons(x)
106#endif
107#endif
108
109extern char *program_name; /* used to generate self-identifying messages */
110
111extern int32_t thiszone; /* seconds offset from gmt to local time */
112
113extern int snaplen;
114/* global pointers to beginning and end of current packet (during printing) */
115extern const u_char *packetp;
116extern const u_char *snapend;
117
118/* True if "l" bytes of "var" were captured */
119#define TTEST2(var, l) ((u_char *)&(var) <= snapend - (l))
120
121/* True if "var" was captured */
122#define TTEST(var) TTEST2(var, sizeof(var))
123
124/* Bail if "l" bytes of "var" were not captured */
125#define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc
126
127/* Bail if "var" was not captured */
128#define TCHECK(var) TCHECK2(var, sizeof(var))
129
130#ifdef __STDC__
131struct timeval;
132#endif
133
134extern void ts_print(const struct timeval *);
135
136extern int fn_print(const u_char *, const u_char *);
137extern int fn_printn(const u_char *, u_int, const u_char *);
138extern const char *tok2str(const struct tok *, const char *, int);
139extern char *dnaddr_string(u_short);
140
141extern void wrapup(int);
142
143#if __STDC__
144extern __dead void error(const char *, ...)
145 __attribute__((volatile, format (printf, 1, 2)));
146extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
147#endif
148
149extern char *read_infile(char *);
150extern char *copy_argv(char **);
151
152extern char *isonsap_string(const u_char *);
153extern char *llcsap_string(u_char);
154extern char *protoid_string(const u_char *);
155extern char *dnname_string(u_short);
156extern char *dnnum_string(u_short);
157
158/* The printer routines. */
159
160#ifdef __STDC__
161struct pcap_pkthdr;
162#endif
163
164extern int ether_encap_print(u_short, const u_char *, u_int, u_int);
165extern int llc_print(const u_char *, u_int, u_int, const u_char *,
166 const u_char *);
167extern void aarp_print(const u_char *, u_int);
168extern void arp_print(const u_char *, u_int, u_int);
169extern void atalk_print(const u_char *, u_int);
170extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
171extern void bootp_print(const u_char *, u_int, u_short, u_short);
172extern void decnet_print(const u_char *, u_int, u_int);
173extern void default_print(const u_char *, u_int);
174extern void default_print_unaligned(const u_char *, u_int);
175extern void dvmrp_print(const u_char *, u_int);
176extern void egp_print(const u_char *, u_int, const u_char *);
177extern void ether_if_print(u_char *, const struct pcap_pkthdr *,
178 const u_char *);
179extern void token_if_print(u_char *, const struct pcap_pkthdr *,
180 const u_char *);
181extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
182extern void gre_print(const u_char *, u_int);
183extern void icmp_print(const u_char *, const u_char *);
184extern void igrp_print(const u_char *, u_int, const u_char *);
185extern void ip_print(const u_char *, u_int);
186extern void ipx_print(const u_char *, u_int);
187extern void isoclns_print(const u_char *, u_int, u_int, const u_char *,
188 const u_char *);
189extern void krb_print(const u_char *, u_int);
190extern void nfsreply_print(const u_char *, u_int, const u_char *);
191extern void nfsreq_print(const u_char *, u_int, const u_char *);
192extern void ns_print(const u_char *, u_int);
193extern void ntp_print(const u_char *, u_int);
194extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
195extern void ospf_print(const u_char *, u_int, const u_char *);
196extern void pim_print(const u_char *, u_int);
197extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
198extern void ppp_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
199 const u_char *);
200extern void raw_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
201extern void rip_print(const u_char *, u_int);
202extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
203extern void sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
204 const u_char *);
205extern void snmp_print(const u_char *, u_int);
206extern void sunrpcrequest_print(const u_char *, u_int, const u_char *);
207extern void tcp_print(const u_char *, u_int, const u_char *);
208extern void tftp_print(const u_char *, u_int);
209extern void udp_print(const u_char *, u_int, const u_char *);
210extern void wb_print(const void *, u_int);