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[tcpdump] / netdissect.h
1 /*
2 * Copyright (c) 1988-1997
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Copyright (c) 1998-2012 Michael Richardson <mcr@tcpdump.org>
6 * The TCPDUMP project
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that: (1) source code distributions
10 * retain the above copyright notice and this paragraph in its entirety, (2)
11 * distributions including binary code include the above copyright notice and
12 * this paragraph in its entirety in the documentation or other materials
13 * provided with the distribution, and (3) all advertising materials mentioning
14 * features or use of this software display the following acknowledgement:
15 * ``This product includes software developed by the University of California,
16 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
17 * the University nor the names of its contributors may be used to endorse
18 * or promote products derived from this software without specific prior
19 * written permission.
20 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
21 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
22 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
23 */
24
25 #ifndef netdissect_h
26 #define netdissect_h
27
28 #ifdef HAVE_OS_PROTO_H
29 #include "os-proto.h"
30 #endif
31 #include <sys/types.h>
32
33 #ifndef HAVE___ATTRIBUTE__
34 #define __attribute__(x)
35 #endif
36
37 /* snprintf et al */
38
39 #include <stdarg.h>
40
41 #if !defined(HAVE_SNPRINTF)
42 int snprintf (char *str, size_t sz, const char *format, ...)
43 #ifdef __ATTRIBUTE___FORMAT_OK
44 __attribute__((format (printf, 3, 4)))
45 #endif /* __ATTRIBUTE___FORMAT_OK */
46 ;
47 #endif /* !defined(HAVE_SNPRINTF) */
48
49 #if !defined(HAVE_VSNPRINTF)
50 int vsnprintf (char *str, size_t sz, const char *format, va_list ap)
51 #ifdef __ATTRIBUTE___FORMAT_OK
52 __attribute__((format (printf, 3, 0)))
53 #endif /* __ATTRIBUTE___FORMAT_OK */
54 ;
55 #endif /* !defined(HAVE_SNPRINTF) */
56
57 #ifndef HAVE_STRLCAT
58 extern size_t strlcat (char *, const char *, size_t);
59 #endif
60 #ifndef HAVE_STRLCPY
61 extern size_t strlcpy (char *, const char *, size_t);
62 #endif
63
64 #ifndef HAVE_STRDUP
65 extern char *strdup (const char *str);
66 #endif
67
68 #ifndef HAVE_STRSEP
69 extern char *strsep(char **, const char *);
70 #endif
71
72 struct tok {
73 int v; /* value */
74 const char *s; /* string */
75 };
76
77 #define TOKBUFSIZE 128
78 extern const char *tok2strbuf(const struct tok *, const char *, int,
79 char *buf, size_t bufsize);
80
81 /* tok2str is deprecated */
82 extern const char *tok2str(const struct tok *, const char *, int);
83 extern char *bittok2str(const struct tok *, const char *, int);
84 extern char *bittok2str_nosep(const struct tok *, const char *, int);
85
86
87 typedef struct netdissect_options netdissect_options;
88
89 struct netdissect_options {
90 int ndo_aflag; /* translate network and broadcast addresses */
91 int ndo_bflag; /* print 4 byte ASes in ASDOT notation */
92 int ndo_eflag; /* print ethernet header */
93 int ndo_fflag; /* don't translate "foreign" IP address */
94 int ndo_Kflag; /* don't check TCP checksums */
95 int ndo_nflag; /* leave addresses as numbers */
96 int ndo_Nflag; /* remove domains from printed host names */
97 int ndo_qflag; /* quick (shorter) output */
98 int ndo_Rflag; /* print sequence # field in AH/ESP*/
99 int ndo_sflag; /* use the libsmi to translate OIDs */
100 int ndo_Sflag; /* print raw TCP sequence numbers */
101 int ndo_tflag; /* print packet arrival time */
102 int ndo_Uflag; /* "unbuffered" output of dump files */
103 int ndo_uflag; /* Print undecoded NFS handles */
104 int ndo_vflag; /* verbose */
105 int ndo_xflag; /* print packet in hex */
106 int ndo_Xflag; /* print packet in hex/ascii */
107 int ndo_Aflag; /* print packet only in ascii observing TAB,
108 * LF, CR and SPACE as graphical chars
109 */
110 int ndo_Bflag; /* buffer size */
111 int ndo_Iflag; /* rfmon (monitor) mode */
112 int ndo_Oflag; /* run filter code optimizer */
113 int ndo_dlt; /* if != -1, ask libpcap for the DLT it names*/
114 int ndo_jflag; /* packet time stamp source */
115 int ndo_pflag; /* don't go promiscuous */
116
117 int ndo_Cflag; /* rotate dump files after this many bytes */
118 int ndo_Cflag_count; /* Keep track of which file number we're writing */
119 int ndo_Gflag; /* rotate dump files after this many seconds */
120 int ndo_Gflag_count; /* number of files created with Gflag rotation */
121 time_t ndo_Gflag_time; /* The last time_t the dump file was rotated. */
122 int ndo_Wflag; /* recycle output files after this number of files */
123 int ndo_WflagChars;
124 int ndo_Hflag; /* dissect 802.11s draft mesh standard */
125 int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
126 const char *ndo_dltname;
127
128 char *ndo_espsecret;
129 struct sa_list *ndo_sa_list_head; /* used by print-esp.c */
130 struct sa_list *ndo_sa_default;
131
132 char *ndo_sigsecret; /* Signature verification secret key */
133
134 struct esp_algorithm *ndo_espsecret_xform; /* cache of decoded */
135 char *ndo_espsecret_key;
136
137 int ndo_packettype; /* as specified by -T */
138
139 char *ndo_program_name; /*used to generate self-identifying messages */
140
141 int32_t ndo_thiszone; /* seconds offset from gmt to local time */
142
143 int ndo_snaplen;
144
145 /*global pointers to beginning and end of current packet (during printing) */
146 const u_char *ndo_packetp;
147 const u_char *ndo_snapend;
148
149 /* bookkeeping for ^T output */
150 int ndo_infodelay;
151
152 /* pointer to void function to output stuff */
153 void (*ndo_default_print)(netdissect_options *,
154 register const u_char *bp, register u_int length);
155 void (*ndo_info)(netdissect_options *, int verbose);
156
157 int (*ndo_printf)(netdissect_options *,
158 const char *fmt, ...)
159 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
160 __attribute__ ((format (printf, 2, 3)))
161 #endif
162 ;
163 void (*ndo_error)(netdissect_options *,
164 const char *fmt, ...)
165 #ifdef __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS
166 __attribute__ ((noreturn))
167 #endif /* __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS */
168 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
169 __attribute__ ((format (printf, 2, 3)))
170 #endif /* __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS */
171 ;
172 void (*ndo_warning)(netdissect_options *,
173 const char *fmt, ...)
174 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
175 __attribute__ ((format (printf, 2, 3)))
176 #endif
177 ;
178 };
179
180 #define PT_VAT 1 /* Visual Audio Tool */
181 #define PT_WB 2 /* distributed White Board */
182 #define PT_RPC 3 /* Remote Procedure Call */
183 #define PT_RTP 4 /* Real-Time Applications protocol */
184 #define PT_RTCP 5 /* Real-Time Applications control protocol */
185 #define PT_SNMP 6 /* Simple Network Management Protocol */
186 #define PT_CNFP 7 /* Cisco NetFlow protocol */
187 #define PT_TFTP 8 /* trivial file transfer protocol */
188 #define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */
189 #define PT_CARP 10 /* Common Address Redundancy Protocol */
190 #define PT_RADIUS 11 /* RADIUS authentication Protocol */
191 #define PT_ZMTP1 12 /* ZeroMQ Message Transport Protocol 1.0 */
192 #define PT_VXLAN 13 /* Virtual eXtensible Local Area Network */
193 #define PT_PGM 14 /* [UDP-encapsulated] Pragmatic General Multicast */
194 #define PT_PGM_ZMTP1 15 /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */
195 #define PT_LMP 16 /* Link Management Protocol */
196
197 #ifndef min
198 #define min(a,b) ((a)>(b)?(b):(a))
199 #endif
200 #ifndef max
201 #define max(a,b) ((b)>(a)?(b):(a))
202 #endif
203
204 /*
205 * Maximum snapshot length. This should be enough to capture the full
206 * packet on most network interfaces.
207 *
208 * XXX - could it be larger? If so, should it? Some applications might
209 * use the snapshot length in a savefile header to control the size of
210 * the buffer they allocate, so a size of, say, 2^31-1 might not work
211 * well.
212 */
213 #define MAXIMUM_SNAPLEN 65535
214
215 /*
216 * The default snapshot length is the maximum.
217 */
218 #define DEFAULT_SNAPLEN MAXIMUM_SNAPLEN
219
220 #define ESRC(ep) ((ep)->ether_shost)
221 #define EDST(ep) ((ep)->ether_dhost)
222
223 #ifndef NTOHL
224 #define NTOHL(x) (x) = ntohl(x)
225 #define NTOHS(x) (x) = ntohs(x)
226 #define HTONL(x) (x) = htonl(x)
227 #define HTONS(x) (x) = htons(x)
228 #endif
229
230 /*
231 * True if "l" bytes of "var" were captured.
232 *
233 * The "ndo->ndo_snapend - (l) <= ndo->ndo_snapend" checks to make sure
234 * "l" isn't so large that "ndo->ndo_snapend - (l)" underflows.
235 *
236 * The check is for <= rather than < because "l" might be 0.
237 */
238 #define ND_TTEST2(var, l) (ndo->ndo_snapend - (l) <= ndo->ndo_snapend && \
239 (const u_char *)&(var) <= ndo->ndo_snapend - (l))
240
241 /* True if "var" was captured */
242 #define ND_TTEST(var) ND_TTEST2(var, sizeof(var))
243
244 /* Bail if "l" bytes of "var" were not captured */
245 #define ND_TCHECK2(var, l) if (!ND_TTEST2(var, l)) goto trunc
246
247 /* Bail if "var" was not captured */
248 #define ND_TCHECK(var) ND_TCHECK2(var, sizeof(var))
249
250 #define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF
251 #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)
252
253 #if 0
254 extern void ts_print(netdissect_options *ipdo,
255 const struct timeval *);
256 extern void relts_print(int);
257 #endif
258
259 extern int fn_print(const u_char *, const u_char *);
260 extern int fn_printn(const u_char *, u_int, const u_char *);
261 extern const char *tok2str(const struct tok *, const char *, int);
262
263 extern void wrapup(int);
264
265 #if 0
266 extern char *read_infile(netdissect_options *, char *);
267 extern char *copy_argv(netdissect_options *, char **);
268 #endif
269
270 extern void safeputchar(int);
271 extern void safeputs(const char *, int);
272
273 extern void unaligned_memcpy(void *, const void *, size_t);
274
275 #define PLURAL_SUFFIX(n) \
276 (((n) != 1) ? "s" : "")
277
278 #if 0
279 extern const char *isonsap_string(netdissect_options *, const u_char *);
280 extern const char *protoid_string(netdissect_options *, const u_char *);
281 extern const char *dnname_string(netdissect_options *, u_short);
282 extern const char *dnnum_string(netdissect_options *, u_short);
283 #endif
284
285 /* The printer routines. */
286
287 #include <pcap.h>
288
289 typedef u_int (*if_ndo_printer)(struct netdissect_options *ndo,
290 const struct pcap_pkthdr *, const u_char *);
291 typedef u_int (*if_printer)(const struct pcap_pkthdr *, const u_char *);
292
293 extern if_ndo_printer lookup_ndo_printer(int);
294 extern if_printer lookup_printer(int);
295
296 extern void eap_print(netdissect_options *,const u_char *, u_int);
297 extern int esp_print(netdissect_options *,
298 const u_char *bp, const int length, const u_char *bp2,
299 int *nhdr, int *padlen);
300 extern void arp_print(netdissect_options *,const u_char *, u_int, u_int);
301 extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int);
302 extern void msnlb_print(netdissect_options *, const u_char *);
303 extern void icmp6_print(netdissect_options *ndo, const u_char *,
304 u_int, const u_char *, int);
305 extern void isakmp_print(netdissect_options *,const u_char *,
306 u_int, const u_char *);
307 extern void isakmp_rfc3948_print(netdissect_options *,const u_char *,
308 u_int, const u_char *);
309 extern void ip_print(netdissect_options *,const u_char *, u_int);
310 extern void ip_print_inner(netdissect_options *ndo,
311 const u_char *bp, u_int length, u_int nh,
312 const u_char *bp2);
313 extern void rrcp_print(netdissect_options *,const u_char *, u_int);
314 extern void loopback_print(netdissect_options *, const u_char *, const u_int);
315
316 extern void ether_print(netdissect_options *,
317 const u_char *, u_int, u_int,
318 void (*)(netdissect_options *, const u_char *),
319 const u_char *);
320
321 extern u_int ether_if_print(netdissect_options *,
322 const struct pcap_pkthdr *,const u_char *);
323 extern u_int netanalyzer_if_print(netdissect_options *,
324 const struct pcap_pkthdr *,const u_char *);
325 extern u_int netanalyzer_transparent_if_print(netdissect_options *,
326 const struct pcap_pkthdr *,
327 const u_char *);
328
329 extern int ethertype_print(netdissect_options *,u_short, const u_char *,
330 u_int, u_int);
331
332 extern int print_unknown_data(netdissect_options *,const u_char *, const char *,int);
333 extern void hex_print_with_offset(netdissect_options *, const char *ident, const u_char *cp,
334 u_int, u_int);
335 extern void hex_print(netdissect_options *,const char *ident, const u_char *cp,u_int);
336
337 /* stuff that has not yet been rototiled */
338 extern const u_char * ns_nprint (register const u_char *, register const u_char *);
339
340 #if 0
341 extern void ascii_print(netdissect_options *,u_int);
342 extern void hex_and_ascii_print_with_offset(netdissect_options *,const char *,
343 u_int, u_int);
344 extern void hex_and_ascii_print(netdissect_options *,const char *, u_int);
345 extern void telnet_print(netdissect_options *,const u_char *, u_int);
346 extern int llc_print(netdissect_options *,
347 const u_char *, u_int, u_int, const u_char *,
348 const u_char *, u_short *);
349 extern void aarp_print(netdissect_options *,const u_char *, u_int);
350 extern void atalk_print(netdissect_options *,const u_char *, u_int);
351 extern void atm_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
352 extern void bootp_print(netdissect_options *,const u_char *,
353 u_int, u_short, u_short);
354 extern void bgp_print(netdissect_options *,const u_char *, int);
355 extern void bxxp_print(netdissect_options *,const u_char *, u_int);
356 extern void chdlc_if_print(u_char *user, const struct pcap_pkthdr *h,
357 register const u_char *p);
358 extern void chdlc_print(netdissect_options *ndo,
359 register const u_char *p, u_int length, u_int caplen);
360 extern void cisco_autorp_print(netdissect_options *,
361 const u_char *, u_int);
362 extern void cnfp_print(netdissect_options *,const u_char *cp,
363 u_int len, const u_char *bp);
364 extern void decnet_print(netdissect_options *,const u_char *,
365 u_int, u_int);
366 extern void default_print(netdissect_options *,const u_char *, u_int);
367 extern void dvmrp_print(netdissect_options *,const u_char *, u_int);
368 extern void egp_print(netdissect_options *,const u_char *, u_int,
369 const u_char *);
370
371 extern void arcnet_if_print(u_char*,const struct pcap_pkthdr *,const u_char *);
372 extern void token_if_print(u_char *,const struct pcap_pkthdr *,const u_char *);
373 extern void fddi_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
374
375 extern void gre_print(netdissect_options *,const u_char *, u_int);
376 extern void icmp_print(netdissect_options *,const u_char *, u_int,
377 const u_char *);
378 extern void hsrp_print(netdissect_options *ndo,
379 register const u_char *bp, register u_int len);
380 extern void ieee802_11_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
381 extern void igmp_print(netdissect_options *,
382 register const u_char *, u_int);
383 extern void igrp_print(netdissect_options *,const u_char *, u_int,
384 const u_char *);
385 extern int nextproto4_cksum(const struct ip *, const u_int8_t *, u_int, u_int);
386 extern void ipN_print(netdissect_options *,const u_char *, u_int);
387 extern void ipx_print(netdissect_options *,const u_char *, u_int);
388 extern void isoclns_print(netdissect_options *,const u_char *,
389 u_int, u_int, const u_char *, const u_char *);
390 extern void krb_print(netdissect_options *,const u_char *, u_int);
391 extern void llap_print(netdissect_options *,const u_char *, u_int);
392 extern const char *linkaddr_string(netdissect_options *ndo,
393 const u_char *ep, const unsigned int len);
394 extern void ltalk_if_print(netdissect_options *ndo,
395 u_char *user, const struct pcap_pkthdr *h,
396 const u_char *p);
397 extern void mpls_print(netdissect_options *ndo,
398 const u_char *bp, u_int length);
399 extern void msdp_print(netdissect_options *ndo,
400 const unsigned char *sp, u_int length);
401 extern void nfsreply_print(netdissect_options *,const u_char *,
402 u_int, const u_char *);
403 extern void nfsreq_print(netdissect_options *,const u_char *,
404 u_int, const u_char *);
405 extern void ns_print(netdissect_options *,const u_char *, u_int);
406 extern void ntp_print(netdissect_options *,const u_char *, u_int);
407 extern void null_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
408 extern void ospf_print(netdissect_options *,const u_char *,
409 u_int, const u_char *);
410 extern void pimv1_print(netdissect_options *,const u_char *, u_int);
411 extern void mobile_print(netdissect_options *,const u_char *, u_int);
412 extern void pim_print(netdissect_options *,const u_char *, u_int, u_int);
413 extern void pppoe_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
414 extern void pppoe_print(netdissect_options *,const u_char *, u_int);
415 extern void ppp_print(netdissect_options *,
416 register const u_char *, u_int);
417
418 extern void ppp_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
419 extern void ppp_hdlc_if_print(u_char *,
420 const struct pcap_pkthdr *, const u_char *);
421 extern void ppp_bsdos_if_print(u_char *,
422 const struct pcap_pkthdr *, const u_char *);
423
424 extern int vjc_print(netdissect_options *,register const char *,
425 register u_int, u_short);
426
427 extern void raw_if_print(u_char *,
428 const struct pcap_pkthdr *, const u_char *);
429
430 extern void rip_print(netdissect_options *,const u_char *, u_int);
431 extern void rpki_rtr_print(netdissect_options *,const u_char *, u_int);
432
433 extern void sctp_print(netdissect_options *ndo,
434 const u_char *bp, const u_char *bp2,
435 u_int sctpPacketLength);
436
437 extern void sl_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
438
439 extern void lane_if_print(u_char *,const struct pcap_pkthdr *,const u_char *);
440 extern void cip_if_print(u_char *,const struct pcap_pkthdr *,const u_char *);
441 extern void sl_bsdos_if_print(u_char *,
442 const struct pcap_pkthdr *, const u_char *);
443 extern void sll_if_print(u_char *,
444 const struct pcap_pkthdr *, const u_char *);
445
446 extern void snmp_print(netdissect_options *,const u_char *, u_int);
447 extern void sunrpcrequest_print(netdissect_options *,const u_char *,
448 u_int, const u_char *);
449 extern void tcp_print(netdissect_options *,const u_char *, u_int,
450 const u_char *, int);
451 extern void tftp_print(netdissect_options *,const u_char *, u_int);
452 extern void timed_print(netdissect_options *,const u_char *, u_int);
453 extern void udp_print(netdissect_options *,const u_char *, u_int,
454 const u_char *, int);
455 extern void wb_print(netdissect_options *,const void *, u_int);
456 extern int ah_print(netdissect_options *,register const u_char *,
457 register const u_char *);
458 extern void esp_print_decodesecret(netdissect_options *ndo);
459 extern int ipcomp_print(netdissect_options *,register const u_char *,
460 register const u_char *, int *);
461 extern void rx_print(netdissect_options *,register const u_char *,
462 int, int, int, u_char *);
463 extern void netbeui_print(netdissect_options *,u_short,
464 const u_char *, int);
465 extern void ipx_netbios_print(netdissect_options *,const u_char *, u_int);
466 extern void nbt_tcp_print(netdissect_options *,const u_char *, int);
467 extern void nbt_udp137_print(netdissect_options *,
468 const u_char *data, int);
469 extern void nbt_udp138_print(netdissect_options *,
470 const u_char *data, int);
471 extern char *smb_errstr(netdissect_options *,int, int);
472 extern const char *nt_errstr(netdissect_options *, u_int32_t);
473 extern void print_data(netdissect_options *,const unsigned char *, int);
474 extern void l2tp_print(netdissect_options *,const u_char *, u_int);
475 extern void lcp_print(netdissect_options *,const u_char *, u_int);
476 extern void vrrp_print(netdissect_options *,const u_char *bp,
477 u_int len, int ttl);
478 extern void carp_print(netdissect_options *,const u_char *bp,
479 u_int len, int ttl);
480 extern void cdp_print(netdissect_options *,const u_char *,
481 u_int, u_int, const u_char *, const u_char *);
482 extern void stp_print(netdissect_options *,const u_char *p, u_int length);
483 extern void radius_print(netdissect_options *,const u_char *, u_int);
484 extern void lwres_print(netdissect_options *,const u_char *, u_int);
485 extern void pptp_print(netdissect_options *,const u_char *, u_int);
486 #endif
487
488 extern u_int ipnet_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
489 extern u_int ppi_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
490 extern u_int nflog_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
491 extern u_int ieee802_15_4_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
492
493 #ifdef INET6
494 extern void ip6_print(netdissect_options *,const u_char *, u_int);
495 #if 0
496 extern void ip6_opt_print(netdissect_options *,const u_char *, int);
497 extern int nextproto6_cksum(const struct ip6_hdr *, const u_int8_t *, u_int, u_int);
498 extern int hbhopt_print(netdissect_options *,const u_char *);
499 extern int dstopt_print(netdissect_options *,const u_char *);
500 extern int frag6_print(netdissect_options *,const u_char *,
501 const u_char *);
502 extern void icmp6_print(netdissect_options *,const u_char *,
503 const u_char *);
504 extern void ripng_print(netdissect_options *,const u_char *, int);
505 extern int rt6_print(netdissect_options *,const u_char *, const u_char *);
506 extern void ospf6_print(netdissect_options *,const u_char *, u_int);
507 extern void dhcp6_print(netdissect_options *,const u_char *,
508 u_int, u_int16_t, u_int16_t);
509
510 extern void zephyr_print(netdissect_options * ndo,
511 const u_char *cp, int length);
512 #endif /* 0 */
513
514 #endif /*INET6*/
515
516 #if 0
517 struct cksum_vec {
518 const u_int8_t *ptr;
519 int len;
520 };
521 extern u_int16_t in_cksum(const struct cksum_vec *, int);
522 extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t);
523 #endif
524
525 extern void esp_print_decodesecret(netdissect_options *ndo);
526 extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo,
527 int initiator,
528 u_char spii[8], u_char spir[8],
529 u_char *buf, u_char *end);
530
531
532 extern void geonet_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *geo_pck, u_int len);
533 extern void calm_fast_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *calm_pck, u_int len);
534
535 #endif /* netdissect_h */
[mirror] the TCPdump network dissector