xref: /freebsd/contrib/tcpdump/netdissect.h (revision 907b59d76938e654f0d040a888e8dfca3de1e222)
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 #include "ip.h" /* struct ip for nextproto4_cksum() */
42 
43 #if !defined(HAVE_SNPRINTF)
44 int snprintf (char *str, size_t sz, const char *format, ...)
45 #ifdef __ATTRIBUTE___FORMAT_OK
46      __attribute__((format (printf, 3, 4)))
47 #endif /* __ATTRIBUTE___FORMAT_OK */
48      ;
49 #endif /* !defined(HAVE_SNPRINTF) */
50 
51 #if !defined(HAVE_VSNPRINTF)
52 int vsnprintf (char *str, size_t sz, const char *format, va_list ap)
53 #ifdef __ATTRIBUTE___FORMAT_OK
54      __attribute__((format (printf, 3, 0)))
55 #endif /* __ATTRIBUTE___FORMAT_OK */
56      ;
57 #endif /* !defined(HAVE_SNPRINTF) */
58 
59 #ifndef HAVE_STRLCAT
60 extern size_t strlcat (char *, const char *, size_t);
61 #endif
62 #ifndef HAVE_STRLCPY
63 extern size_t strlcpy (char *, const char *, size_t);
64 #endif
65 
66 #ifndef HAVE_STRDUP
67 extern char *strdup (const char *str);
68 #endif
69 
70 #ifndef HAVE_STRSEP
71 extern char *strsep(char **, const char *);
72 #endif
73 
74 struct tok {
75 	u_int v;		/* value */
76 	const char *s;		/* string */
77 };
78 
79 #define TOKBUFSIZE 128
80 extern const char *tok2strbuf(const struct tok *, const char *, u_int,
81 			      char *buf, size_t bufsize);
82 
83 /* tok2str is deprecated */
84 extern const char *tok2str(const struct tok *, const char *, u_int);
85 extern char *bittok2str(const struct tok *, const char *, u_int);
86 extern char *bittok2str_nosep(const struct tok *, const char *, u_int);
87 
88 
89 typedef struct netdissect_options netdissect_options;
90 
91 struct netdissect_options {
92   int ndo_aflag;		/* translate network and broadcast addresses */
93   int ndo_bflag;		/* print 4 byte ASes in ASDOT notation */
94   int ndo_eflag;		/* print ethernet header */
95   int ndo_fflag;		/* don't translate "foreign" IP address */
96   int ndo_Kflag;		/* don't check TCP checksums */
97   int ndo_nflag;		/* leave addresses as numbers */
98   int ndo_Nflag;		/* remove domains from printed host names */
99   int ndo_qflag;		/* quick (shorter) output */
100   int ndo_Rflag;		/* print sequence # field in AH/ESP*/
101   int ndo_sflag;		/* use the libsmi to translate OIDs */
102   int ndo_Sflag;		/* print raw TCP sequence numbers */
103   int ndo_tflag;		/* print packet arrival time */
104   int ndo_Uflag;		/* "unbuffered" output of dump files */
105   int ndo_uflag;		/* Print undecoded NFS handles */
106   int ndo_vflag;		/* verbose */
107   int ndo_xflag;		/* print packet in hex */
108   int ndo_Xflag;		/* print packet in hex/ascii */
109   int ndo_Aflag;		/* print packet only in ascii observing TAB,
110 				 * LF, CR and SPACE as graphical chars
111 				 */
112   int ndo_Bflag;		/* buffer size */
113   int ndo_Iflag;		/* rfmon (monitor) mode */
114   int ndo_Oflag;                /* run filter code optimizer */
115   int ndo_dlt;                  /* if != -1, ask libpcap for the DLT it names*/
116   int ndo_jflag;                /* packet time stamp source */
117   int ndo_pflag;                /* don't go promiscuous */
118   int ndo_immediate;            /* use immediate mode */
119 
120   int ndo_Cflag;                /* rotate dump files after this many bytes */
121   int ndo_Cflag_count;      /* Keep track of which file number we're writing */
122   int ndo_Gflag;            /* rotate dump files after this many seconds */
123   int ndo_Gflag_count;      /* number of files created with Gflag rotation */
124   time_t ndo_Gflag_time;    /* The last time_t the dump file was rotated. */
125   int ndo_Wflag;          /* recycle output files after this number of files */
126   int ndo_WflagChars;
127   int ndo_Hflag;		/* dissect 802.11s draft mesh standard */
128   int ndo_packet_number;	/* print a packet number in the beginning of line */
129   int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
130   int ndo_tstamp_precision;   /* requested time stamp precision */
131   const char *ndo_dltname;
132 
133   char *ndo_espsecret;
134   struct sa_list *ndo_sa_list_head;  /* used by print-esp.c */
135   struct sa_list *ndo_sa_default;
136 
137   char *ndo_sigsecret;     	/* Signature verification secret key */
138 
139   struct esp_algorithm *ndo_espsecret_xform;   /* cache of decoded  */
140   char                 *ndo_espsecret_key;
141 
142   int   ndo_packettype;	/* as specified by -T */
143 
144   char *ndo_program_name;	/*used to generate self-identifying messages */
145 
146   int32_t ndo_thiszone;	/* seconds offset from gmt to local time */
147 
148   int   ndo_snaplen;
149 
150   /*global pointers to beginning and end of current packet (during printing) */
151   const u_char *ndo_packetp;
152   const u_char *ndo_snapend;
153 
154   /* bookkeeping for ^T output */
155   int ndo_infodelay;
156 
157   /* pointer to void function to output stuff */
158   void (*ndo_default_print)(netdissect_options *,
159   		      register const u_char *bp, register u_int length);
160 
161   /* pointer to function to print ^T output */
162   void (*ndo_info)(netdissect_options *, int verbose);
163 
164   /* pointer to function to do regular output */
165   int  (*ndo_printf)(netdissect_options *,
166 		     const char *fmt, ...)
167 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
168 		     __attribute__ ((format (printf, 2, 3)))
169 #endif
170 		     ;
171   /* pointer to function to output errors */
172   void (*ndo_error)(netdissect_options *,
173 		    const char *fmt, ...)
174 #ifdef __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS
175 		     __attribute__ ((noreturn))
176 #endif /* __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS */
177 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
178 		     __attribute__ ((format (printf, 2, 3)))
179 #endif /* __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS */
180 		     ;
181   /* pointer to function to output warnings */
182   void (*ndo_warning)(netdissect_options *,
183 		      const char *fmt, ...)
184 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
185 		     __attribute__ ((format (printf, 2, 3)))
186 #endif
187 		     ;
188 };
189 
190 #define PT_VAT		1	/* Visual Audio Tool */
191 #define PT_WB		2	/* distributed White Board */
192 #define PT_RPC		3	/* Remote Procedure Call */
193 #define PT_RTP		4	/* Real-Time Applications protocol */
194 #define PT_RTCP		5	/* Real-Time Applications control protocol */
195 #define PT_SNMP		6	/* Simple Network Management Protocol */
196 #define PT_CNFP		7	/* Cisco NetFlow protocol */
197 #define PT_TFTP		8	/* trivial file transfer protocol */
198 #define PT_AODV		9	/* Ad-hoc On-demand Distance Vector Protocol */
199 #define PT_CARP		10	/* Common Address Redundancy Protocol */
200 #define PT_RADIUS	11	/* RADIUS authentication Protocol */
201 #define PT_ZMTP1	12	/* ZeroMQ Message Transport Protocol 1.0 */
202 #define PT_VXLAN	13	/* Virtual eXtensible Local Area Network */
203 #define PT_PGM		14	/* [UDP-encapsulated] Pragmatic General Multicast */
204 #define PT_PGM_ZMTP1	15	/* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */
205 #define PT_LMP		16	/* Link Management Protocol */
206 
207 #ifndef min
208 #define min(a,b) ((a)>(b)?(b):(a))
209 #endif
210 #ifndef max
211 #define max(a,b) ((b)>(a)?(b):(a))
212 #endif
213 
214 /*
215  * Maximum snapshot length.  This should be enough to capture the full
216  * packet on most network interfaces.
217  *
218  *
219  * Somewhat arbitrary, but chosen to be:
220  *
221  *    1) big enough for maximum-size Linux loopback packets (65549)
222  *       and some USB packets captured with USBPcap:
223  *
224  *           http://desowin.org/usbpcap/
225  *
226  *       (> 131072, < 262144)
227  *
228  * and
229  *
230  *    2) small enough not to cause attempts to allocate huge amounts of
231  *       memory; some applications might use the snapshot length in a
232  *       savefile header to control the size of the buffer they allocate,
233  *       so a size of, say, 2^31-1 might not work well.
234  *
235  * XXX - does it need to be bigger still?
236  */
237 #define MAXIMUM_SNAPLEN	262144
238 
239 /*
240  * The default snapshot length is the maximum.
241  */
242 #define DEFAULT_SNAPLEN	MAXIMUM_SNAPLEN
243 
244 #define ESRC(ep) ((ep)->ether_shost)
245 #define EDST(ep) ((ep)->ether_dhost)
246 
247 #ifndef NTOHL
248 #define NTOHL(x)	(x) = ntohl(x)
249 #define NTOHS(x)	(x) = ntohs(x)
250 #define HTONL(x)	(x) = htonl(x)
251 #define HTONS(x)	(x) = htons(x)
252 #endif
253 
254 /*
255  * True if "l" bytes of "var" were captured.
256  *
257  * The "ndo->ndo_snapend - (l) <= ndo->ndo_snapend" checks to make sure
258  * "l" isn't so large that "ndo->ndo_snapend - (l)" underflows.
259  *
260  * The check is for <= rather than < because "l" might be 0.
261  *
262  * We cast the pointers to uintptr_t to make sure that the compiler
263  * doesn't optimize away any of these tests (which it is allowed to
264  * do, as adding an integer to, or subtracting an integer from, a
265  * pointer assumes that the pointer is a pointer to an element of an
266  * array and that the result of the addition or subtraction yields a
267  * pointer to another member of the array, so that, for example, if
268  * you subtract a positive integer from a pointer, the result is
269  * guaranteed to be less than the original pointer value). See
270  *
271  *	http://www.kb.cert.org/vuls/id/162289
272  */
273 
274 #define IS_NOT_NEGATIVE(x) (((x) > 0) || ((x) == 0))
275 
276 #define ND_TTEST2(var, l) \
277   (IS_NOT_NEGATIVE(l) && \
278 	((uintptr_t)ndo->ndo_snapend - (l) <= (uintptr_t)ndo->ndo_snapend && \
279          (uintptr_t)&(var) <= (uintptr_t)ndo->ndo_snapend - (l)))
280 
281 /* True if "var" was captured */
282 #define ND_TTEST(var) ND_TTEST2(var, sizeof(var))
283 
284 /* Bail if "l" bytes of "var" were not captured */
285 #define ND_TCHECK2(var, l) if (!ND_TTEST2(var, l)) goto trunc
286 
287 /* Bail if "var" was not captured */
288 #define ND_TCHECK(var) ND_TCHECK2(var, sizeof(var))
289 
290 #define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF
291 #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)
292 
293 extern void ts_print(netdissect_options *, const struct timeval *);
294 extern void relts_print(netdissect_options *, int);
295 
296 extern int fn_print(netdissect_options *, const u_char *, const u_char *);
297 extern int fn_printn(netdissect_options *, const u_char *, u_int, const u_char *);
298 extern int fn_printzp(netdissect_options *, const u_char *, u_int, const u_char *);
299 
300 /*
301  * Flags for txtproto_print().
302  */
303 #define RESP_CODE_SECOND_TOKEN	0x00000001	/* response code is second token in response line */
304 
305 extern void txtproto_print(netdissect_options *, const u_char *, u_int,
306     const char *, const char **, u_int);
307 
308 #if 0
309 extern char *read_infile(netdissect_options *, char *);
310 extern char *copy_argv(netdissect_options *, char **);
311 #endif
312 
313 /*
314  * Locale-independent macros for testing character properties and
315  * stripping the 8th bit from characters.  Assumed to be handed
316  * a value between 0 and 255, i.e. don't hand them a char, as
317  * those might be in the range -128 to 127.
318  */
319 #define ND_ISASCII(c)	(!((c) & 0x80))	/* value is an ASCII code point */
320 #define ND_ISPRINT(c)	((c) >= 0x20 && (c) <= 0x7E)
321 #define ND_ISGRAPH(c)	((c) > 0x20 && (c) <= 0x7E)
322 #define ND_TOASCII(c)	((c) & 0x7F)
323 
324 extern void safeputchar(netdissect_options *, const u_char);
325 extern void safeputs(netdissect_options *, const u_char *, const u_int);
326 
327 #ifdef LBL_ALIGN
328 /*
329  * The processor doesn't natively handle unaligned loads,
330  * and the compiler might "helpfully" optimize memcpy()
331  * and memcmp(), when handed pointers that would normally
332  * be properly aligned, into sequences that assume proper
333  * alignment.
334  *
335  * Do copies and compares of possibly-unaligned data by
336  * calling routines that wrap memcpy() and memcmp(), to
337  * prevent that optimization.
338  */
339 extern void unaligned_memcpy(void *, const void *, size_t);
340 extern int unaligned_memcmp(const void *, const void *, size_t);
341 #define UNALIGNED_MEMCPY(p, q, l)	unaligned_memcpy((p), (q), (l))
342 #define UNALIGNED_MEMCMP(p, q, l)	unaligned_memcmp((p), (q), (l))
343 #else
344 /*
345  * The procesor natively handles unaligned loads, so just use memcpy()
346  * and memcmp(), to enable those optimizations.
347  */
348 #define UNALIGNED_MEMCPY(p, q, l)	memcpy((p), (q), (l))
349 #define UNALIGNED_MEMCMP(p, q, l)	memcmp((p), (q), (l))
350 #endif
351 
352 #define PLURAL_SUFFIX(n) \
353 	(((n) != 1) ? "s" : "")
354 
355 #if 0
356 extern const char *dnname_string(netdissect_options *, u_short);
357 extern const char *dnnum_string(netdissect_options *, u_short);
358 #endif
359 
360 /* The printer routines. */
361 
362 #include <pcap.h>
363 
364 extern char *q922_string(netdissect_options *ndo, const u_char *, u_int);
365 
366 typedef u_int (*if_ndo_printer)(struct netdissect_options *ndo,
367 				const struct pcap_pkthdr *, const u_char *);
368 typedef u_int (*if_printer)(const struct pcap_pkthdr *, const u_char *);
369 
370 extern if_ndo_printer lookup_ndo_printer(int);
371 extern if_printer lookup_printer(int);
372 
373 extern void eap_print(netdissect_options *,const u_char *, u_int);
374 extern int esp_print(netdissect_options *,
375 		     const u_char *bp, const int length, const u_char *bp2,
376 		     int *nhdr, int *padlen);
377 extern void arp_print(netdissect_options *,const u_char *, u_int, u_int);
378 extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int);
379 extern void msnlb_print(netdissect_options *, const u_char *);
380 extern void icmp6_print(netdissect_options *ndo, const u_char *,
381                         u_int, const u_char *, int);
382 extern void isakmp_print(netdissect_options *,const u_char *,
383 			 u_int, const u_char *);
384 extern void isakmp_rfc3948_print(netdissect_options *,const u_char *,
385 				 u_int, const u_char *);
386 extern void ip_print(netdissect_options *,const u_char *, u_int);
387 extern void ip_print_inner(netdissect_options *ndo,
388 			   const u_char *bp, u_int length, u_int nh,
389 			   const u_char *bp2);
390 extern void rrcp_print(netdissect_options *,const u_char *, u_int);
391 extern void loopback_print(netdissect_options *, const u_char *, const u_int);
392 extern void carp_print(netdissect_options *, const u_char *, u_int, int);
393 
394 extern void ether_print(netdissect_options *,
395                         const u_char *, u_int, u_int,
396                         void (*)(netdissect_options *, const u_char *),
397                         const u_char *);
398 
399 extern u_int ether_if_print(netdissect_options *,
400                             const struct pcap_pkthdr *,const u_char *);
401 extern u_int netanalyzer_if_print(netdissect_options *,
402                                   const struct pcap_pkthdr *,const u_char *);
403 extern u_int netanalyzer_transparent_if_print(netdissect_options *,
404                                               const struct pcap_pkthdr *,
405                                               const u_char *);
406 
407 extern int ethertype_print(netdissect_options *,u_short, const u_char *,
408 			     u_int, u_int);
409 
410 extern int print_unknown_data(netdissect_options *,const u_char *, const char *,int);
411 extern void ascii_print(netdissect_options *, const u_char *, u_int);
412 extern void hex_print_with_offset(netdissect_options *, const char *ident, const u_char *cp,
413 				  u_int, u_int);
414 extern void hex_print(netdissect_options *,const char *ident, const u_char *cp,u_int);
415 extern void hex_and_ascii_print_with_offset(netdissect_options *, const char *, const u_char *, u_int, u_int);
416 extern void hex_and_ascii_print(netdissect_options *, const char *, const u_char *, u_int);
417 
418 extern int ah_print(netdissect_options *, register const u_char *);
419 extern void beep_print(netdissect_options *, const u_char *, u_int);
420 extern void dtp_print(netdissect_options *, const u_char *, u_int);
421 extern u_int cip_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
422 extern int ipcomp_print(netdissect_options *, register const u_char *, int *);
423 extern u_int ipfc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
424 extern void udld_print(netdissect_options *, const u_char *, u_int);
425 extern void hsrp_print(netdissect_options *, const u_char *, u_int);
426 extern void igrp_print(netdissect_options *, const u_char *, u_int);
427 extern void msdp_print(netdissect_options *, const u_char *, u_int);
428 extern u_int null_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
429 extern void mobile_print(netdissect_options *, const u_char *, u_int);
430 extern u_int ap1394_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
431 extern u_int bt_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
432 extern void lane_print(netdissect_options *, const u_char *, u_int, u_int);
433 extern u_int lane_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
434 extern void otv_print(netdissect_options *, const u_char *, u_int);
435 extern void ahcp_print(netdissect_options *, const u_char *, const u_int);
436 extern void vxlan_print(netdissect_options *, const u_char *, u_int);
437 extern u_int arcnet_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
438 extern u_int arcnet_linux_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
439 extern void bfd_print(netdissect_options *, const u_char *, u_int, u_int);
440 extern void gre_print(netdissect_options *, const u_char *, u_int);
441 extern int vjc_print(netdissect_options *, register const char *, u_short);
442 extern void ipN_print(netdissect_options *, const u_char *, u_int);
443 extern u_int raw_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
444 extern u_int usb_linux_48_byte_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
445 extern u_int usb_linux_64_byte_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
446 extern u_int symantec_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
447 extern u_int chdlc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
448 extern u_int chdlc_print(netdissect_options *, register const u_char *, u_int);
449 extern void zmtp1_print(netdissect_options *, const u_char *, u_int);
450 extern void zmtp1_print_datagram(netdissect_options *, const u_char *, const u_int);
451 extern void ipx_print(netdissect_options *, const u_char *, u_int);
452 extern void mpls_print(netdissect_options *, const u_char *, u_int);
453 extern u_int pppoe_print(netdissect_options *, const u_char *, u_int);
454 extern u_int pppoe_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
455 extern void sunrpcrequest_print(netdissect_options *, const u_char *, u_int, const u_char *);
456 extern u_int pflog_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
457 extern u_int token_print(netdissect_options *, const u_char *, u_int, u_int);
458 extern u_int token_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
459 extern void vqp_print(netdissect_options *, register const u_char *, register u_int);
460 extern void zephyr_print(netdissect_options *, const u_char *, int);
461 extern void fddi_print(netdissect_options *, const u_char *, u_int, u_int);
462 extern u_int fddi_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
463 extern void mpcp_print(netdissect_options *, const u_char *, u_int);
464 extern void rpki_rtr_print(netdissect_options *, const u_char *, u_int);
465 extern u_int sll_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
466 extern void dccp_print(netdissect_options *, const u_char *, const u_char *, u_int);
467 extern int llc_print(netdissect_options *, const u_char *, u_int, u_int, const u_char *, const u_char *, u_short *);
468 extern int snap_print(netdissect_options *, const u_char *, u_int, u_int, u_int);
469 extern void eigrp_print(netdissect_options *, const u_char *, u_int);
470 extern void stp_print(netdissect_options *, const u_char *, u_int);
471 extern void l2tp_print(netdissect_options *, const u_char *, u_int);
472 extern void udp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
473 extern void icmp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
474 extern void openflow_print(netdissect_options *, const u_char *, const u_int);
475 extern void telnet_print(netdissect_options *, const u_char *, u_int);
476 extern void slow_print(netdissect_options *, const u_char *, u_int);
477 extern void radius_print(netdissect_options *, const u_char *, u_int);
478 extern void lmp_print(netdissect_options *, const u_char *, u_int);
479 extern u_int fr_print(netdissect_options *, register const u_char *, u_int);
480 extern u_int mfr_print(netdissect_options *, register const u_char *, u_int);
481 extern u_int fr_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
482 extern u_int mfr_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
483 extern void q933_print(netdissect_options *, const u_char *, u_int);
484 extern void igmp_print(netdissect_options *, const u_char *, u_int);
485 extern void rip_print(netdissect_options *, const u_char *, u_int);
486 extern void lwapp_control_print(netdissect_options *, const u_char *, u_int, int);
487 extern void lwapp_data_print(netdissect_options *, const u_char *, u_int);
488 extern void pgm_print(netdissect_options *, const u_char *, u_int, const u_char *);
489 extern void pptp_print(netdissect_options *, const u_char *);
490 extern void ldp_print(netdissect_options *, const u_char *, u_int);
491 extern void wb_print(netdissect_options *, const void *, u_int);
492 extern int oam_print(netdissect_options *, const u_char *, u_int, u_int);
493 extern void atm_print(netdissect_options *, u_int, u_int, u_int, const u_char *, u_int, u_int);
494 extern u_int sunatm_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
495 extern u_int atm_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
496 extern void vtp_print(netdissect_options *, const u_char *, u_int);
497 extern int mptcp_print(netdissect_options *, const u_char *, u_int, u_char);
498 extern void ntp_print(netdissect_options *, const u_char *, u_int);
499 extern void cnfp_print(netdissect_options *, const u_char *);
500 extern void dvmrp_print(netdissect_options *, const u_char *, u_int);
501 extern void egp_print(netdissect_options *, const u_char *, u_int);
502 extern u_int enc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
503 extern u_int sl_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
504 extern u_int sl_bsdos_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
505 extern void tftp_print(netdissect_options *, const u_char *, u_int);
506 extern void vrrp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
507 extern void pimv1_print(netdissect_options *, const u_char *, u_int);
508 extern void cisco_autorp_print(netdissect_options *, const u_char *, u_int);
509 extern void pim_print(netdissect_options *, const u_char *, u_int, u_int);
510 extern const u_char * ns_nprint (netdissect_options *, register const u_char *, register const u_char *);
511 extern void ns_print(netdissect_options *, const u_char *, u_int, int);
512 extern void bootp_print(netdissect_options *, const u_char *, u_int);
513 extern void sflow_print(netdissect_options *, const u_char *, u_int);
514 extern void aodv_print(netdissect_options *, const u_char *, u_int, int);
515 extern void sctp_print(netdissect_options *, const u_char *, const u_char *, u_int);
516 extern char *bgp_vpn_rd_print (netdissect_options *, const u_char *);
517 extern void bgp_print(netdissect_options *, const u_char *, int);
518 extern void olsr_print(netdissect_options *, const u_char *, u_int, int);
519 extern void forces_print(netdissect_options *, const u_char *, u_int);
520 extern void lspping_print(netdissect_options *, const u_char *, u_int);
521 extern void isoclns_print(netdissect_options *, const u_char *, u_int, u_int);
522 extern void krb_print(netdissect_options *, const u_char *);
523 extern void cdp_print(netdissect_options *, const u_char *, u_int, u_int);
524 extern void atalk_print(netdissect_options *, const u_char *, u_int);
525 extern u_int ltalk_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
526 extern u_int llap_print(netdissect_options *, const u_char *, u_int);
527 extern void aarp_print(netdissect_options *, const u_char *, u_int);
528 extern u_int juniper_atm1_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
529 extern u_int juniper_atm2_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
530 extern u_int juniper_mfr_print(netdissect_options *, const struct pcap_pkthdr *, register const u_char *);
531 extern u_int juniper_mlfr_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
532 extern u_int juniper_mlppp_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
533 extern u_int juniper_pppoe_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
534 extern u_int juniper_pppoe_atm_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
535 extern u_int juniper_ggsn_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
536 extern u_int juniper_es_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
537 extern u_int juniper_monitor_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
538 extern u_int juniper_services_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
539 extern u_int juniper_ether_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
540 extern u_int juniper_ppp_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
541 extern u_int juniper_frelay_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
542 extern u_int juniper_chdlc_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
543 extern void snmp_print(netdissect_options *, const u_char *, u_int);
544 extern void rx_print(netdissect_options *, register const u_char *, int, int, int, u_char *);
545 extern void nfsreply_print(netdissect_options *, const u_char *, u_int, const u_char *);
546 extern void nfsreply_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *);
547 extern void nfsreq_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *);
548 extern void sip_print(netdissect_options *, const u_char *, u_int);
549 extern void syslog_print(netdissect_options *, const u_char *, u_int);
550 extern void lwres_print(netdissect_options *, const u_char *, u_int);
551 extern void cfm_print(netdissect_options *, const u_char *, u_int);
552 extern void nbt_tcp_print(netdissect_options *, const u_char *, int);
553 extern void nbt_udp137_print(netdissect_options *, const u_char *, int);
554 extern void nbt_udp138_print(netdissect_options *, const u_char *, int);
555 extern void smb_tcp_print(netdissect_options *, const u_char *, int);
556 extern void netbeui_print(netdissect_options *, u_short, const u_char *, int);
557 extern void ipx_netbios_print(netdissect_options *, const u_char *, u_int);
558 extern void print_data(netdissect_options *, const unsigned char *, int);
559 extern void decnet_print(netdissect_options *, const u_char *, u_int, u_int);
560 extern void tcp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
561 extern void ospf_print(netdissect_options *, const u_char *, u_int, const u_char *);
562 extern int ospf_print_te_lsa(netdissect_options *, const uint8_t *, u_int);
563 extern int ospf_print_grace_lsa(netdissect_options *, const uint8_t *, u_int);
564 extern u_int ppp_print(netdissect_options *, register const u_char *, u_int);
565 extern u_int ppp_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
566 extern u_int ppp_hdlc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
567 extern u_int ppp_bsdos_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
568 extern void lldp_print(netdissect_options *, const u_char *, u_int);
569 extern void rsvp_print(netdissect_options *, const u_char *, u_int);
570 extern void timed_print(netdissect_options *, const u_char *);
571 extern void m3ua_print(netdissect_options *, const u_char *, const u_int);
572 extern void aoe_print(netdissect_options *, const u_char *, const u_int);
573 extern void ftp_print(netdissect_options *, const u_char *, u_int);
574 extern void http_print(netdissect_options *, const u_char *, u_int);
575 extern void rtsp_print(netdissect_options *, const u_char *, u_int);
576 extern void smtp_print(netdissect_options *, const u_char *, u_int);
577 extern void geneve_print(netdissect_options *, const u_char *, u_int);
578 
579 extern void pfsync_ip_print(netdissect_options *, const u_char *, u_int);
580 
581 /* stuff that has not yet been rototiled */
582 
583 #if 0
584 extern void ascii_print(netdissect_options *,u_int);
585 extern void default_print(netdissect_options *,const u_char *, u_int);
586 extern char *smb_errstr(netdissect_options *,int, int);
587 extern const char *nt_errstr(netdissect_options *, uint32_t);
588 #endif
589 
590 extern u_int ipnet_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
591 extern u_int ppi_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
592 extern u_int nflog_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
593 extern u_int ieee802_15_4_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
594 extern u_int pktap_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
595 extern u_int ieee802_11_radio_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
596 extern u_int ieee802_11_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
597 extern u_int ieee802_11_radio_avs_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
598 extern u_int prism_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
599 
600 extern void ip6_print(netdissect_options *,const u_char *, u_int);
601 #ifdef INET6
602 extern int frag6_print(netdissect_options *, const u_char *, const u_char *);
603 extern int rt6_print(netdissect_options *, const u_char *, const u_char *);
604 extern int hbhopt_print(netdissect_options *, const u_char *);
605 extern int dstopt_print(netdissect_options *, const u_char *);
606 extern void ripng_print(netdissect_options *, const u_char *, unsigned int);
607 extern int mobility_print(netdissect_options *, const u_char *, const u_char *);
608 extern void dhcp6_print(netdissect_options *, const u_char *, u_int);
609 extern void ospf6_print(netdissect_options *, const u_char *, u_int);
610 extern void babel_print(netdissect_options *, const u_char *, u_int);
611 #endif /*INET6*/
612 
613 #if 0
614 struct cksum_vec {
615 	const uint8_t	*ptr;
616 	int		len;
617 };
618 extern uint16_t in_cksum(const struct cksum_vec *, int);
619 extern uint16_t in_cksum_shouldbe(uint16_t, uint16_t);
620 #endif
621 extern int nextproto4_cksum(netdissect_options *ndo, const struct ip *, const uint8_t *, u_int, u_int, u_int);
622 extern int decode_prefix4(netdissect_options *ndo, const u_char *, u_int, char *, u_int);
623 #ifdef INET6
624 extern int decode_prefix6(netdissect_options *ndo, const u_char *, u_int, char *, u_int);
625 #endif
626 
627 extern void esp_print_decodesecret(netdissect_options *ndo);
628 extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo,
629 					     int initiator,
630 					     u_char spii[8], u_char spir[8],
631 					     u_char *buf, u_char *end);
632 
633 
634 extern void geonet_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *geo_pck, u_int len);
635 extern void calm_fast_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *calm_pck, u_int len);
636 
637 #endif  /* netdissect_h */
638