2 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
3 * The Regents of the University of California. All rights reserved.
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
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.
21 * @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.149 2001/01/02 22:47:06 guy Exp $ (LBL)
25 #ifndef tcpdump_interface_h
26 #define tcpdump_interface_h
28 #ifdef HAVE_OS_PROTO_H
31 #include <sys/types.h>
34 #ifndef HAVE___ATTRIBUTE__
35 #define __attribute__(x)
42 #if !defined(HAVE_SNPRINTF)
43 int snprintf (char *str, size_t sz, const char *format, ...)
44 __attribute__ ((format (printf, 3, 4)));
47 #if !defined(HAVE_VSNPRINTF)
48 int vsnprintf (char *str, size_t sz, const char *format, va_list ap)
49 __attribute__((format (printf, 3, 0)));
53 extern size_t strlcat (char *, const char *, size_t);
56 extern size_t strlcpy (char *, const char *, size_t);
64 extern int aflag; /* translate network and broadcast addresses */
65 extern int dflag; /* print filter code */
66 extern int eflag; /* print ethernet header */
67 extern int fflag; /* don't translate "foreign" IP address */
68 extern int nflag; /* leave addresses as numbers */
69 extern int Nflag; /* remove domains from printed host names */
70 extern int qflag; /* quick (shorter) output */
71 extern int Rflag; /* print sequence # field in AH/ESP*/
72 extern int sflag; /* use the libsmi to translate OIDs */
73 extern int Sflag; /* print raw TCP sequence numbers */
74 extern int tflag; /* print packet arrival time */
75 extern int uflag; /* Print undecoded NFS handles */
76 extern int vflag; /* verbose */
77 extern int xflag; /* print packet in hex */
78 extern int Xflag; /* print packet in hex/ascii */
80 extern char *espsecret;
82 extern int packettype; /* as specified by -T */
83 #define PT_VAT 1 /* Visual Audio Tool */
84 #define PT_WB 2 /* distributed White Board */
85 #define PT_RPC 3 /* Remote Procedure Call */
86 #define PT_RTP 4 /* Real-Time Applications protocol */
87 #define PT_RTCP 5 /* Real-Time Applications control protocol */
88 #define PT_SNMP 6 /* Simple Network Management Protocol */
89 #define PT_CNFP 7 /* Cisco NetFlow protocol */
92 #define min(a,b) ((a)>(b)?(b):(a))
95 #define max(a,b) ((b)>(a)?(b):(a))
100 * The default snapshot length. This value allows most printers to print
101 * useful information while keeping the amount of unwanted data down.
102 * In particular, it allows for an ethernet header, tcp/ip header, and
103 * 14 bytes of data (assuming no ip options).
105 #define DEFAULT_SNAPLEN 68
107 #define DEFAULT_SNAPLEN 96
111 #define BIG_ENDIAN 4321
112 #define LITTLE_ENDIAN 1234
115 #define ESRC(ep) ((ep)->ether_shost)
116 #define EDST(ep) ((ep)->ether_dhost)
119 #define NTOHL(x) (x) = ntohl(x)
120 #define NTOHS(x) (x) = ntohs(x)
121 #define HTONL(x) (x) = htonl(x)
122 #define HTONS(x) (x) = htons(x)
126 extern char *program_name; /* used to generate self-identifying messages */
128 extern int32_t thiszone; /* seconds offset from gmt to local time */
131 /* global pointers to beginning and end of current packet (during printing) */
132 extern const u_char *packetp;
133 extern const u_char *snapend;
135 /* True if "l" bytes of "var" were captured */
136 #define TTEST2(var, l) ((u_char *)&(var) <= snapend - (l))
138 /* True if "var" was captured */
139 #define TTEST(var) TTEST2(var, sizeof(var))
141 /* Bail if "l" bytes of "var" were not captured */
142 #define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc
144 /* Bail if "var" was not captured */
145 #define TCHECK(var) TCHECK2(var, sizeof(var))
149 extern void ts_print(const struct timeval *);
150 extern void relts_print(int);
152 extern int fn_print(const u_char *, const u_char *);
153 extern int fn_printn(const u_char *, u_int, const u_char *);
154 extern const char *tok2str(const struct tok *, const char *, int);
155 extern char *dnaddr_string(u_short);
157 extern void wrapup(int);
159 extern void error(const char *, ...)
160 __attribute__((noreturn, format (printf, 1, 2)));
161 extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
163 extern char *read_infile(char *);
164 extern char *copy_argv(char **);
166 extern void safeputchar(int);
167 extern void safeputs(const char *);
169 extern char *isonsap_string(const u_char *);
170 extern char *llcsap_string(u_char);
171 extern char *protoid_string(const u_char *);
172 extern char *dnname_string(u_short);
173 extern char *dnnum_string(u_short);
175 /* The printer routines. */
179 extern void ascii_print_with_offset(const u_char *, u_int, u_int);
180 extern void ascii_print(const u_char *, u_int);
181 extern void hex_print_with_offset(const u_char *, u_int, u_int);
182 extern void telnet_print(const u_char *, u_int);
183 extern void hex_print(const u_char *, u_int);
184 extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *);
185 extern int llc_print(const u_char *, u_int, u_int, const u_char *,
186 const u_char *, u_short *);
187 extern void aarp_print(const u_char *, u_int);
188 extern void arp_print(const u_char *, u_int, u_int);
189 extern void atalk_print(const u_char *, u_int);
190 extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
191 extern void bootp_print(const u_char *, u_int, u_short, u_short);
192 extern void bgp_print(const u_char *, int);
193 extern void bxxp_print(const u_char *, u_int);
194 extern void cnfp_print(const u_char *cp, u_int len, const u_char *bp);
195 extern void decnet_print(const u_char *, u_int, u_int);
196 extern void default_print(const u_char *, u_int);
197 extern void default_print_unaligned(const u_char *, u_int);
198 extern void dvmrp_print(const u_char *, u_int);
199 extern void egp_print(const u_char *, u_int, const u_char *);
200 extern void ether_if_print(u_char *, const struct pcap_pkthdr *,
202 extern void token_if_print(u_char *, const struct pcap_pkthdr *,
204 extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
205 extern void gre_print(const u_char *, u_int);
206 extern void icmp_print(const u_char *, u_int, const u_char *);
207 extern void igmp_print(const u_char *, u_int, const u_char *);
208 extern void igrp_print(const u_char *, u_int, const u_char *);
209 extern void ip_print(const u_char *, u_int);
210 extern void ipN_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 *,
214 extern void krb_print(const u_char *, u_int);
215 extern void llap_print(const u_char *, u_int);
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 pimv1_print(const u_char *, u_int);
223 extern void cisco_autorp_print(const u_char *, u_int);
224 extern void mobile_print(const u_char *, u_int);
225 extern void pim_print(const u_char *, u_int);
226 extern void pppoe_print(const u_char *, u_int);
227 extern void ppp_print(register const u_char *, u_int);
228 extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
229 extern void ppp_hdlc_if_print(u_char *, const struct pcap_pkthdr *,
231 extern void ppp_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
233 extern int vjc_print(register const char *, register u_int, u_short);
234 extern void raw_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
235 extern void rip_print(const u_char *, u_int);
236 extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
237 extern void lane_if_print(u_char *, const struct pcap_pkthdr *,const u_char *);
238 extern void cip_if_print(u_char *, const struct pcap_pkthdr *,const u_char *);
239 extern void sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
241 extern void chdlc_if_print(u_char *, const struct pcap_pkthdr *,
243 extern void sll_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
244 extern void snmp_print(const u_char *, u_int);
245 extern void sunrpcrequest_print(const u_char *, u_int, const u_char *);
246 extern void tcp_print(const u_char *, u_int, const u_char *, int);
247 extern void tftp_print(const u_char *, u_int);
248 extern void timed_print(const u_char *, u_int);
249 extern void udp_print(const u_char *, u_int, const u_char *, int);
250 extern void wb_print(const void *, u_int);
251 extern int ah_print(register const u_char *, register const u_char *);
252 extern int esp_print(register const u_char *, register const u_char *, int *);
253 extern void isakmp_print(const u_char *, u_int, const u_char *);
254 extern int ipcomp_print(register const u_char *, register const u_char *, int *);
255 extern void rx_print(register const u_char *, int, int, int, u_char *);
256 extern void netbeui_print(u_short, const u_char *, const u_char *);
257 extern void ipx_netbios_print(const u_char *, const u_char *);
258 extern void nbt_tcp_print(const u_char *, int);
259 extern void nbt_udp137_print(const u_char *data, int);
260 extern void nbt_udp138_print(const u_char *data, int);
261 extern char *smb_errstr(int, int);
262 extern void print_data(const unsigned char *, int);
263 extern void l2tp_print(const u_char *, u_int);
264 extern void lcp_print(const u_char *, u_int);
265 extern void vrrp_print(const u_char *bp, u_int len, int ttl);
266 extern void cdp_print(const u_char *p, u_int length, u_int caplen,
267 const u_char *esrc, const u_char *edst);
268 extern void stp_print(const u_char *p, u_int length);
269 extern void radius_print(const u_char *, u_int);
272 extern void ip6_print(const u_char *, int);
273 extern void ip6_opt_print(const u_char *, int);
274 extern int hbhopt_print(const u_char *);
275 extern int dstopt_print(const u_char *);
276 extern int frag6_print(const u_char *, const u_char *);
277 extern void icmp6_print(const u_char *, const u_char *);
278 extern void ripng_print(const u_char *, int);
279 extern int rt6_print(const u_char *, const u_char *);
280 extern void ospf6_print(const u_char *, u_int);
281 extern void dhcp6_print(const u_char *, u_int, u_int16_t, u_int16_t);
283 extern u_short in_cksum(const u_short *addr, register int len, u_short csum);