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

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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 1.178.4.2 2002/07/10 07:32:17 guy Exp $ (LBL)
22 *
23 * $FreeBSD: head/contrib/tcpdump/interface.h 111729 2003-03-02 08:25:48Z 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>

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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 */

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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;
86
87extern int packettype; /* as specified by -T */
88#define PT_VAT 1 /* Visual Audio Tool */
89#define PT_WB 2 /* distributed White Board */
90#define PT_RPC 3 /* Remote Procedure Call */
91#define PT_RTP 4 /* Real-Time Applications protocol */
92#define PT_RTCP 5 /* Real-Time Applications control protocol */
93#define PT_SNMP 6 /* Simple Network Management Protocol */
94#define PT_CNFP 7 /* Cisco NetFlow protocol */
95
96#ifndef min
97#define min(a,b) ((a)>(b)?(b):(a))
98#endif
99#ifndef max
100#define max(a,b) ((b)>(a)?(b):(a))
101#endif
102

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126#endif
127#endif
128
129extern char *program_name; /* used to generate self-identifying messages */
130
131extern int32_t thiszone; /* seconds offset from gmt to local time */
132
133extern int snaplen;
134/* global pointers to beginning and end of current packet (during printing) */
135extern const u_char *packetp;
136extern const u_char *snapend;
137
138/*
139 * True if "l" bytes of "var" were captured.
140 *
141 * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large
142 * that "snapend - (l)" underflows.
143 *

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156#define TCHECK(var) TCHECK2(var, sizeof(var))
157
158extern void ts_print(const struct timeval *);
159extern void relts_print(int);
160
161extern int fn_print(const u_char *, const u_char *);
162extern int fn_printn(const u_char *, u_int, const u_char *);
163extern const char *tok2str(const struct tok *, const char *, int);
164extern const char *tok2strary_internal(const char **, int, const char *, int);
165#define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i)
166
167extern const char *dnaddr_string(u_short);
168
169extern void info(int);
170extern int infodelay;
171extern int infoprint;
172
173extern void error(const char *, ...)
174 __attribute__((noreturn, format (printf, 1, 2)));
175extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
176
177extern char *read_infile(char *);
178extern char *copy_argv(char **);
179
180extern void safeputchar(int);

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186extern const char *ipxsap_string(u_short);
187extern const char *dnname_string(u_short);
188extern const char *dnnum_string(u_short);
189
190/* The printer routines. */
191
192#include <pcap.h>
193
194extern void ascii_print_with_offset(const u_char *, u_int, u_int);
195extern void ascii_print(const u_char *, u_int);
196extern void hex_print_with_offset(const u_char *, u_int, u_int);
197extern void telnet_print(const u_char *, u_int);
198extern void hex_print(const u_char *, u_int);
199extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *);
200extern int llc_print(const u_char *, u_int, u_int, const u_char *,
201 const u_char *, u_short *);
202extern void aarp_print(const u_char *, u_int);
203extern void arp_print(const u_char *, u_int, u_int);
204extern void atalk_print(const u_char *, u_int);
205extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
206extern void bootp_print(const u_char *, u_int, u_short, u_short);
207extern void bgp_print(const u_char *, int);
208extern void beep_print(const u_char *, u_int);
209extern void cnfp_print(const u_char *, u_int, const u_char *);
210extern void decnet_print(const u_char *, u_int, u_int);
211extern void default_print(const u_char *, u_int);
212extern void default_print_unaligned(const u_char *, u_int);
213extern void dvmrp_print(const u_char *, u_int);
214extern void egp_print(const u_char *, u_int, const u_char *);
215extern void arcnet_if_print(u_char *, const struct pcap_pkthdr *,
216 const u_char *);
217extern void ether_if_print(u_char *, const struct pcap_pkthdr *,
218 const u_char *);
219extern void token_if_print(u_char *, const struct pcap_pkthdr *,
220 const u_char *);
221extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
222extern void ieee802_11_if_print(u_char *, const struct pcap_pkthdr *,
223 const u_char *);
224extern void gre_print(const u_char *, u_int);
225extern void icmp_print(const u_char *, u_int, const u_char *);
226extern void igmp_print(const u_char *, u_int);
227extern void igrp_print(const u_char *, u_int, const u_char *);
228extern void ip_print(const u_char *, u_int);
229extern void ipN_print(const u_char *, u_int);
230extern void ipx_print(const u_char *, u_int);
231extern void isoclns_print(const u_char *, u_int, u_int, const u_char *,
232 const u_char *);
233extern void krb_print(const u_char *, u_int);
234extern void llap_print(const u_char *, u_int);
235extern void ltalk_if_print(u_char *, const struct pcap_pkthdr *,
236 const u_char *);
237extern void msdp_print(const unsigned char *, u_int);
238extern void nfsreply_print(const u_char *, u_int, const u_char *);
239extern void nfsreq_print(const u_char *, u_int, const u_char *);
240extern void ns_print(const u_char *, u_int);
241extern void ntp_print(const u_char *, u_int);
242extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
243extern void ospf_print(const u_char *, u_int, const u_char *);
244extern void pimv1_print(const u_char *, u_int);
245extern void cisco_autorp_print(const u_char *, u_int);
246extern void mobile_print(const u_char *, u_int);
247extern void pim_print(const u_char *, u_int);
248extern void pppoe_print(const u_char *, u_int);
249extern void ppp_print(register const u_char *, u_int);
250extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
251extern void ppp_hdlc_if_print(u_char *, const struct pcap_pkthdr *,
252 const u_char *);
253extern void ppp_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
254 const u_char *);
255extern void pppoe_if_print(u_char *, const struct pcap_pkthdr *,
256 const u_char *);
257extern int vjc_print(register const char *, register u_int, u_short);
258extern void raw_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
259extern void rip_print(const u_char *, u_int);
260extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
261extern void lane_if_print(u_char *, const struct pcap_pkthdr *,const u_char *);
262extern void cip_if_print(u_char *, const struct pcap_pkthdr *,const u_char *);
263extern void sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
264 const u_char *);
265extern void chdlc_if_print(u_char *, const struct pcap_pkthdr *,
266 const u_char *);
267extern void chdlc_print(register const u_char *, u_int, u_int);
268extern void sll_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
269extern void snmp_print(const u_char *, u_int);
270extern void sunrpcrequest_print(const u_char *, u_int, const u_char *);
271extern void tcp_print(const u_char *, u_int, const u_char *, int);
272extern void tftp_print(const u_char *, u_int);
273extern void timed_print(const u_char *, u_int);
274extern void udp_print(const u_char *, u_int, const u_char *, int);
275extern void wb_print(const void *, u_int);
276extern int ah_print(register const u_char *, register const u_char *);
277extern int esp_print(register const u_char *, register const u_char *, int *, int *);
278extern void isakmp_print(const u_char *, u_int, const u_char *);
279extern int ipcomp_print(register const u_char *, register const u_char *, int *);
280extern void rx_print(register const u_char *, int, int, int, u_char *);
281extern void netbeui_print(u_short, const u_char *, int);
282extern void ipx_netbios_print(const u_char *, u_int);
283extern void nbt_tcp_print(const u_char *, int);
284extern void nbt_udp137_print(const u_char *, int);
285extern void nbt_udp138_print(const u_char *, int);
286extern char *smb_errstr(int, int);
287extern void print_data(const unsigned char *, int);
288extern void l2tp_print(const u_char *, u_int);
289extern void lcp_print(const u_char *, u_int);
290extern void vrrp_print(const u_char *, u_int, int);
291extern void cdp_print(const u_char *, u_int, u_int, const u_char *,
292 const u_char *);
293extern void stp_print(const u_char *, u_int);
294extern void radius_print(const u_char *, u_int);
295extern void lwres_print(const u_char *, u_int);
296extern void pptp_print(const u_char *, u_int);
297extern void sctp_print(const u_char *, const u_char *, u_int);
298extern void mpls_print(const u_char *, u_int);
299extern void zephyr_print(const u_char *, int);
300extern void hsrp_print(const u_char *, u_int);
301
302#ifdef INET6
303extern void ip6_print(const u_char *, u_int);
304extern void ip6_opt_print(const u_char *, int);
305extern int hbhopt_print(const u_char *);
306extern int dstopt_print(const u_char *);
307extern int frag6_print(const u_char *, const u_char *);
308extern void icmp6_print(const u_char *, const u_char *);
309extern void ripng_print(const u_char *, unsigned int);
310extern int rt6_print(const u_char *, const u_char *);
311extern void ospf6_print(const u_char *, u_int);
312extern void dhcp6_print(const u_char *, u_int, u_int16_t, u_int16_t);
313#endif /*INET6*/
314extern u_short in_cksum(const u_short *, register u_int, int);
315
316#ifndef HAVE_BPF_DUMP
317struct bpf_program;
318
319extern void bpf_dump(struct bpf_program *, int);
320#endif