tcpdump  4.99.1
About: tcpdump is a tool for network monitoring and data acquisition.
  Fossies Dox: tcpdump-4.99.1.tar.gz  ("unofficial" and yet experimental doxygen-generated source code documentation)  

print.c
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1 /*
2  * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
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  * Support for splitting captures into multiple files with a maximum
22  * file size:
23  *
24  * Copyright (c) 2001
25  * Seth Webster <swebster@sst.ll.mit.edu>
26  */
27 
28 #ifdef HAVE_CONFIG_H
29 #include <config.h>
30 #endif
31 
32 #include <stdlib.h>
33 #include <string.h>
34 #include <setjmp.h>
35 
36 #include "netdissect-stdinc.h"
37 
38 #include "netdissect.h"
39 #include "addrtoname.h"
40 #include "print.h"
41 #include "netdissect-alloc.h"
42 
43 #include "pcap-missing.h"
44 
45 struct printer {
47  int type;
48 };
49 
50 static const struct printer printers[] = {
51 #ifdef DLT_APPLE_IP_OVER_IEEE1394
52  { ap1394_if_print, DLT_APPLE_IP_OVER_IEEE1394 },
53 #endif
54  { arcnet_if_print, DLT_ARCNET },
55 #ifdef DLT_ARCNET_LINUX
56  { arcnet_linux_if_print, DLT_ARCNET_LINUX },
57 #endif
58  { atm_if_print, DLT_ATM_RFC1483 },
59 #ifdef DLT_DSA_TAG_BRCM
60  { brcm_tag_if_print, DLT_DSA_TAG_BRCM },
61 #endif
62 #ifdef DLT_DSA_TAG_BRCM_PREPEND
63  { brcm_tag_prepend_if_print, DLT_DSA_TAG_BRCM_PREPEND },
64 #endif
65 #ifdef DLT_BLUETOOTH_HCI_H4_WITH_PHDR
66  { bt_if_print, DLT_BLUETOOTH_HCI_H4_WITH_PHDR},
67 #endif
68 #ifdef DLT_C_HDLC
69  { chdlc_if_print, DLT_C_HDLC },
70 #endif
71 #ifdef DLT_HDLC
72  { chdlc_if_print, DLT_HDLC },
73 #endif
74 #ifdef DLT_ATM_CLIP
75  { cip_if_print, DLT_ATM_CLIP },
76 #endif
77 #ifdef DLT_CIP
78  { cip_if_print, DLT_CIP },
79 #endif
80 #ifdef DLT_DSA_TAG_DSA
81  { dsa_if_print, DLT_DSA_TAG_DSA },
82 #endif
83 #ifdef DLT_DSA_TAG_EDSA
84  { edsa_if_print, DLT_DSA_TAG_EDSA },
85 #endif
86 #ifdef DLT_ENC
87  { enc_if_print, DLT_ENC },
88 #endif
89  { ether_if_print, DLT_EN10MB },
90  { fddi_if_print, DLT_FDDI },
91 #ifdef DLT_FR
92  { fr_if_print, DLT_FR },
93 #endif
94 #ifdef DLT_FRELAY
95  { fr_if_print, DLT_FRELAY },
96 #endif
97 #ifdef DLT_IEEE802_11
98  { ieee802_11_if_print, DLT_IEEE802_11},
99 #endif
100 #ifdef DLT_IEEE802_11_RADIO_AVS
101  { ieee802_11_radio_avs_if_print, DLT_IEEE802_11_RADIO_AVS },
102 #endif
103 #ifdef DLT_IEEE802_11_RADIO
104  { ieee802_11_radio_if_print, DLT_IEEE802_11_RADIO },
105 #endif
106 #ifdef DLT_IEEE802_15_4
107  { ieee802_15_4_if_print, DLT_IEEE802_15_4 },
108 #endif
109 #ifdef DLT_IEEE802_15_4_NOFCS
110  { ieee802_15_4_if_print, DLT_IEEE802_15_4_NOFCS },
111 #endif
112 #ifdef DLT_IEEE802_15_4_TAP
113  { ieee802_15_4_tap_if_print, DLT_IEEE802_15_4_TAP },
114 #endif
115 #ifdef DLT_IP_OVER_FC
116  { ipfc_if_print, DLT_IP_OVER_FC },
117 #endif
118 #ifdef DLT_IPNET
119  { ipnet_if_print, DLT_IPNET },
120 #endif
121 #ifdef DLT_IPOIB
122  { ipoib_if_print, DLT_IPOIB },
123 #endif
124 #ifdef DLT_JUNIPER_ATM1
125  { juniper_atm1_if_print, DLT_JUNIPER_ATM1 },
126 #endif
127 #ifdef DLT_JUNIPER_ATM2
128  { juniper_atm2_if_print, DLT_JUNIPER_ATM2 },
129 #endif
130 #ifdef DLT_JUNIPER_CHDLC
131  { juniper_chdlc_if_print, DLT_JUNIPER_CHDLC },
132 #endif
133 #ifdef DLT_JUNIPER_ES
134  { juniper_es_if_print, DLT_JUNIPER_ES },
135 #endif
136 #ifdef DLT_JUNIPER_ETHER
137  { juniper_ether_if_print, DLT_JUNIPER_ETHER },
138 #endif
139 #ifdef DLT_JUNIPER_FRELAY
140  { juniper_frelay_if_print, DLT_JUNIPER_FRELAY },
141 #endif
142 #ifdef DLT_JUNIPER_GGSN
143  { juniper_ggsn_if_print, DLT_JUNIPER_GGSN },
144 #endif
145 #ifdef DLT_JUNIPER_MFR
146  { juniper_mfr_if_print, DLT_JUNIPER_MFR },
147 #endif
148 #ifdef DLT_JUNIPER_MLFR
149  { juniper_mlfr_if_print, DLT_JUNIPER_MLFR },
150 #endif
151 #ifdef DLT_JUNIPER_MLPPP
152  { juniper_mlppp_if_print, DLT_JUNIPER_MLPPP },
153 #endif
154 #ifdef DLT_JUNIPER_MONITOR
155  { juniper_monitor_if_print, DLT_JUNIPER_MONITOR },
156 #endif
157 #ifdef DLT_JUNIPER_PPP
158  { juniper_ppp_if_print, DLT_JUNIPER_PPP },
159 #endif
160 #ifdef DLT_JUNIPER_PPPOE_ATM
161  { juniper_pppoe_atm_if_print, DLT_JUNIPER_PPPOE_ATM },
162 #endif
163 #ifdef DLT_JUNIPER_PPPOE
164  { juniper_pppoe_if_print, DLT_JUNIPER_PPPOE },
165 #endif
166 #ifdef DLT_JUNIPER_SERVICES
167  { juniper_services_if_print, DLT_JUNIPER_SERVICES },
168 #endif
169 #ifdef DLT_LTALK
170  { ltalk_if_print, DLT_LTALK },
171 #endif
172 #ifdef DLT_MFR
173  { mfr_if_print, DLT_MFR },
174 #endif
175 #ifdef DLT_NETANALYZER
176  { netanalyzer_if_print, DLT_NETANALYZER },
177 #endif
178 #ifdef DLT_NETANALYZER_TRANSPARENT
179  { netanalyzer_transparent_if_print, DLT_NETANALYZER_TRANSPARENT },
180 #endif
181 #ifdef DLT_NFLOG
182  { nflog_if_print, DLT_NFLOG},
183 #endif
184  { null_if_print, DLT_NULL },
185 #ifdef DLT_LOOP
186  { null_if_print, DLT_LOOP },
187 #endif
188 #if defined(DLT_PFLOG) && defined(HAVE_NET_IF_PFLOG_H)
189  { pflog_if_print, DLT_PFLOG },
190 #endif
191 #ifdef DLT_PKTAP
192  { pktap_if_print, DLT_PKTAP },
193 #endif
194 #ifdef DLT_PPI
195  { ppi_if_print, DLT_PPI },
196 #endif
197 #ifdef DLT_PPP_BSDOS
198  { ppp_bsdos_if_print, DLT_PPP_BSDOS },
199 #endif
200 #ifdef DLT_PPP_SERIAL
201  { ppp_hdlc_if_print, DLT_PPP_SERIAL },
202 #endif
203  { ppp_if_print, DLT_PPP },
204 #ifdef DLT_PPP_PPPD
205  { ppp_if_print, DLT_PPP_PPPD },
206 #endif
207 #ifdef DLT_PPP_ETHER
208  { pppoe_if_print, DLT_PPP_ETHER },
209 #endif
210 #ifdef DLT_PRISM_HEADER
211  { prism_if_print, DLT_PRISM_HEADER },
212 #endif
213  { raw_if_print, DLT_RAW },
214 #ifdef DLT_IPV4
215  { raw_if_print, DLT_IPV4 },
216 #endif
217 #ifdef DLT_IPV6
218  { raw_if_print, DLT_IPV6 },
219 #endif
220 #ifdef DLT_SLIP_BSDOS
221  { sl_bsdos_if_print, DLT_SLIP_BSDOS },
222 #endif
223  { sl_if_print, DLT_SLIP },
224 #ifdef DLT_LINUX_SLL
225  { sll_if_print, DLT_LINUX_SLL },
226 #endif
227 #ifdef DLT_LINUX_SLL2
228  { sll2_if_print, DLT_LINUX_SLL2 },
229 #endif
230 #ifdef DLT_SUNATM
231  { sunatm_if_print, DLT_SUNATM },
232 #endif
233 #ifdef DLT_SYMANTEC_FIREWALL
234  { symantec_if_print, DLT_SYMANTEC_FIREWALL },
235 #endif
236  { token_if_print, DLT_IEEE802 },
237 #ifdef DLT_USB_LINUX
238  { usb_linux_48_byte_if_print, DLT_USB_LINUX},
239 #endif /* DLT_USB_LINUX */
240 #ifdef DLT_USB_LINUX_MMAPPED
241  { usb_linux_64_byte_if_print, DLT_USB_LINUX_MMAPPED},
242 #endif /* DLT_USB_LINUX_MMAPPED */
243 #ifdef DLT_VSOCK
244  { vsock_if_print, DLT_VSOCK },
245 #endif
246  { NULL, 0 },
247 };
248 
249 static void ndo_default_print(netdissect_options *ndo, const u_char *bp,
250  u_int length);
251 
252 static void NORETURN ndo_error(netdissect_options *ndo,
253  status_exit_codes_t status,
254  FORMAT_STRING(const char *fmt), ...)
255  PRINTFLIKE(3, 4);
256 static void ndo_warning(netdissect_options *ndo,
257  FORMAT_STRING(const char *fmt), ...)
258  PRINTFLIKE(2, 3);
259 
260 static int ndo_printf(netdissect_options *ndo,
261  FORMAT_STRING(const char *fmt), ...)
262  PRINTFLIKE(2, 3);
263 
264 void
265 init_print(netdissect_options *ndo, uint32_t localnet, uint32_t mask)
266 {
267 
268  init_addrtoname(ndo, localnet, mask);
269  init_checksum();
270 }
271 
274 {
275  const struct printer *p;
276 
277  for (p = printers; p->f; ++p)
278  if (type == p->type)
279  return p->f;
280 
281 #if defined(DLT_USER2) && defined(DLT_PKTAP)
282  /*
283  * Apple incorrectly chose to use DLT_USER2 for their PKTAP
284  * header.
285  *
286  * We map DLT_PKTAP, whether it's DLT_USER2 as it is on Darwin-
287  * based OSes or the same value as LINKTYPE_PKTAP as it is on
288  * other OSes, to LINKTYPE_PKTAP, so files written with
289  * this version of libpcap for a DLT_PKTAP capture have a link-
290  * layer header type of LINKTYPE_PKTAP.
291  *
292  * However, files written on OS X Mavericks for a DLT_PKTAP
293  * capture have a link-layer header type of LINKTYPE_USER2.
294  * If we don't have a printer for DLT_USER2, and type is
295  * DLT_USER2, we look up the printer for DLT_PKTAP and use
296  * that.
297  */
298  if (type == DLT_USER2) {
299  for (p = printers; p->f; ++p)
300  if (DLT_PKTAP == p->type)
301  return p->f;
302  }
303 #endif
304 
305  return NULL;
306  /* NOTREACHED */
307 }
308 
309 int
311 {
312  return (lookup_printer(type) != NULL);
313 }
314 
317 {
319 
321  if (printer == NULL)
323  return printer;
324 }
325 
326 void
327 pretty_print_packet(netdissect_options *ndo, const struct pcap_pkthdr *h,
328  const u_char *sp, u_int packets_captured)
329 {
330  u_int hdrlen = 0;
331  int invalid_header = 0;
332 
333  if (ndo->ndo_packet_number)
334  ND_PRINT("%5u ", packets_captured);
335 
336  /* Sanity checks on packet length / capture length */
337  if (h->caplen == 0) {
338  invalid_header = 1;
339  ND_PRINT("[Invalid header: caplen==0");
340  }
341  if (h->len == 0) {
342  if (!invalid_header) {
343  invalid_header = 1;
344  ND_PRINT("[Invalid header:");
345  } else
346  ND_PRINT(",");
347  ND_PRINT(" len==0");
348  } else if (h->len < h->caplen) {
349  if (!invalid_header) {
350  invalid_header = 1;
351  ND_PRINT("[Invalid header:");
352  } else
353  ND_PRINT(",");
354  ND_PRINT(" len(%u) < caplen(%u)", h->len, h->caplen);
355  }
356  if (h->caplen > MAXIMUM_SNAPLEN) {
357  if (!invalid_header) {
358  invalid_header = 1;
359  ND_PRINT("[Invalid header:");
360  } else
361  ND_PRINT(",");
362  ND_PRINT(" caplen(%u) > %u", h->caplen, MAXIMUM_SNAPLEN);
363  }
364  if (h->len > MAXIMUM_SNAPLEN) {
365  if (!invalid_header) {
366  invalid_header = 1;
367  ND_PRINT("[Invalid header:");
368  } else
369  ND_PRINT(",");
370  ND_PRINT(" len(%u) > %u", h->len, MAXIMUM_SNAPLEN);
371  }
372  if (invalid_header) {
373  ND_PRINT("]\n");
374  return;
375  }
376 
377  /*
378  * At this point:
379  * capture length != 0,
380  * packet length != 0,
381  * capture length <= MAXIMUM_SNAPLEN,
382  * packet length <= MAXIMUM_SNAPLEN,
383  * packet length >= capture length.
384  *
385  * Currently, there is no D-Bus printer, thus no need for
386  * bigger lengths.
387  */
388 
389  /*
390  * The header /usr/include/pcap/pcap.h in OpenBSD declares h->ts as
391  * struct bpf_timeval, not struct timeval. The former comes from
392  * /usr/include/net/bpf.h and uses 32-bit unsigned types instead of
393  * the types used in struct timeval.
394  */
395  struct timeval tvbuf;
396  tvbuf.tv_sec = h->ts.tv_sec;
397  tvbuf.tv_usec = h->ts.tv_usec;
398  ts_print(ndo, &tvbuf);
399 
400  /*
401  * Printers must check that they're not walking off the end of
402  * the packet.
403  * Rather than pass it all the way down, we set this member
404  * of the netdissect_options structure.
405  */
406  ndo->ndo_snapend = sp + h->caplen;
407 
408  ndo->ndo_protocol = "";
409  ndo->ndo_ll_hdr_len = 0;
410  switch (setjmp(ndo->ndo_early_end)) {
411  case 0:
412  /* Print the packet. */
413  (ndo->ndo_if_printer)(ndo, h, sp);
414  break;
415  case ND_TRUNCATED:
416  /* A printer quit because the packet was truncated; report it */
417  nd_print_trunc(ndo);
418  /* Print the full packet */
419  ndo->ndo_ll_hdr_len = 0;
420  break;
421  }
422  hdrlen = ndo->ndo_ll_hdr_len;
423 
424  /*
425  * Empty the stack of packet information, freeing all pushed buffers;
426  * if we got here by a printer quitting, we need to release anything
427  * that didn't get released because we longjmped out of the code
428  * before it popped the packet information.
429  */
431 
432  /*
433  * Restore the original snapend, as a printer might have
434  * changed it.
435  */
436  ndo->ndo_snapend = sp + h->caplen;
437  if (ndo->ndo_Xflag) {
438  /*
439  * Print the raw packet data in hex and ASCII.
440  */
441  if (ndo->ndo_Xflag > 1) {
442  /*
443  * Include the link-layer header.
444  */
445  hex_and_ascii_print(ndo, "\n\t", sp, h->caplen);
446  } else {
447  /*
448  * Don't include the link-layer header - and if
449  * we have nothing past the link-layer header,
450  * print nothing.
451  */
452  if (h->caplen > hdrlen)
453  hex_and_ascii_print(ndo, "\n\t", sp + hdrlen,
454  h->caplen - hdrlen);
455  }
456  } else if (ndo->ndo_xflag) {
457  /*
458  * Print the raw packet data in hex.
459  */
460  if (ndo->ndo_xflag > 1) {
461  /*
462  * Include the link-layer header.
463  */
464  hex_print(ndo, "\n\t", sp, h->caplen);
465  } else {
466  /*
467  * Don't include the link-layer header - and if
468  * we have nothing past the link-layer header,
469  * print nothing.
470  */
471  if (h->caplen > hdrlen)
472  hex_print(ndo, "\n\t", sp + hdrlen,
473  h->caplen - hdrlen);
474  }
475  } else if (ndo->ndo_Aflag) {
476  /*
477  * Print the raw packet data in ASCII.
478  */
479  if (ndo->ndo_Aflag > 1) {
480  /*
481  * Include the link-layer header.
482  */
483  ascii_print(ndo, sp, h->caplen);
484  } else {
485  /*
486  * Don't include the link-layer header - and if
487  * we have nothing past the link-layer header,
488  * print nothing.
489  */
490  if (h->caplen > hdrlen)
491  ascii_print(ndo, sp + hdrlen, h->caplen - hdrlen);
492  }
493  }
494 
495  ND_PRINT("\n");
496  nd_free_all(ndo);
497 }
498 
499 /*
500  * By default, print the specified data out in hex and ASCII.
501  */
502 static void
503 ndo_default_print(netdissect_options *ndo, const u_char *bp, u_int length)
504 {
505  hex_and_ascii_print(ndo, "\n\t", bp, length); /* pass on lf and indentation string */
506 }
507 
508 /* VARARGS */
509 static void
511  const char *fmt, ...)
512 {
513  va_list ap;
514 
515  if (ndo->program_name)
516  (void)fprintf(stderr, "%s: ", ndo->program_name);
517  va_start(ap, fmt);
518  (void)vfprintf(stderr, fmt, ap);
519  va_end(ap);
520  if (*fmt) {
521  fmt += strlen(fmt);
522  if (fmt[-1] != '\n')
523  (void)fputc('\n', stderr);
524  }
525  nd_cleanup();
526  exit(status);
527  /* NOTREACHED */
528 }
529 
530 /* VARARGS */
531 static void
532 ndo_warning(netdissect_options *ndo, const char *fmt, ...)
533 {
534  va_list ap;
535 
536  if (ndo->program_name)
537  (void)fprintf(stderr, "%s: ", ndo->program_name);
538  (void)fprintf(stderr, "WARNING: ");
539  va_start(ap, fmt);
540  (void)vfprintf(stderr, fmt, ap);
541  va_end(ap);
542  if (*fmt) {
543  fmt += strlen(fmt);
544  if (fmt[-1] != '\n')
545  (void)fputc('\n', stderr);
546  }
547 }
548 
549 static int
550 ndo_printf(netdissect_options *ndo, const char *fmt, ...)
551 {
552  va_list args;
553  int ret;
554 
555  va_start(args, fmt);
556  ret = vfprintf(stdout, fmt, args);
557  va_end(args);
558 
559  if (ret < 0)
561  "Unable to write output: %s", pcap_strerror(errno));
562  return (ret);
563 }
564 
565 void
567 {
569  ndo->ndo_printf=ndo_printf;
570  ndo->ndo_error=ndo_error;
572 }
void init_addrtoname(netdissect_options *ndo, uint32_t localnet, uint32_t mask)
Definition: addrtoname.c:1247
void init_checksum(void)
Definition: checksum.c:128
#define FORMAT_STRING(p)
Definition: funcattrs.h:145
#define PRINTFLIKE(x, y)
Definition: funcattrs.h:134
#define NORETURN
Definition: funcattrs.h:103
void nd_free_all(netdissect_options *ndo)
void nd_cleanup(void)
Definition: netdissect.c:87
void nd_pop_all_packet_info(netdissect_options *ndo)
Definition: netdissect.c:232
void token_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-token.c:246
#define MAXIMUM_SNAPLEN
Definition: netdissect.h:327
void enc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-enc.c:99
void unsupported_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void pppoe_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-pppoe.c:91
void juniper_atm2_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void(* if_printer)(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: netdissect.h:169
void edsa_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-dsa.c:211
void bt_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void pktap_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void ascii_print(netdissect_options *, const u_char *, u_int)
Definition: print-ascii.c:62
void ipfc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-ipfc.c:139
void juniper_mlppp_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void sl_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-sl.c:58
void vsock_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-vsock.c:248
void sll2_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-sll.c:399
void ltalk_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-atalk.c:76
void ieee802_11_radio_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void arcnet_linux_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-arcnet.c:275
void ppp_bsdos_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-ppp.c:1722
void juniper_monitor_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void ieee802_11_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void mfr_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-fr.c:382
void ieee802_11_radio_avs_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void ppi_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void usb_linux_48_byte_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void juniper_mlfr_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void ether_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-ether.c:453
void ipnet_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void cip_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-cip.c:52
void juniper_atm1_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void netanalyzer_transparent_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-ether.c:497
void ppp_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-ppp.c:1578
void hex_print(netdissect_options *, const char *ident, const u_char *cp, u_int)
Definition: print-ascii.c:212
void juniper_pppoe_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void juniper_ppp_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void juniper_pppoe_atm_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void sunatm_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-sunatm.c:64
void nd_print_trunc(netdissect_options *)
Definition: util-print.c:409
void symantec_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void fr_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-fr.c:225
void juniper_ether_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void prism_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
#define ND_TRUNCATED
Definition: netdissect.h:198
void dsa_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-dsa.c:200
void nflog_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void juniper_mfr_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void juniper_chdlc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void juniper_es_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void pflog_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-pflog.c:112
void ts_print(netdissect_options *, const struct timeval *)
Definition: util-print.c:277
void juniper_frelay_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void ieee802_15_4_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
#define ND_PRINT(...)
Definition: netdissect.h:385
void arcnet_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-arcnet.c:182
void ipoib_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-ipoib.c:121
void brcm_tag_prepend_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void ieee802_15_4_tap_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void null_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-null.c:77
void chdlc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-chdlc.c:48
void sl_bsdos_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-sl.c:88
void usb_linux_64_byte_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void juniper_services_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void fddi_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-fddi.c:346
void atm_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-atm.c:238
void ap1394_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-ap1394.c:90
void ppp_hdlc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-ppp.c:1647
void hex_and_ascii_print(netdissect_options *, const char *, const u_char *, u_int)
Definition: print-ascii.c:165
void brcm_tag_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void juniper_ggsn_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
void netanalyzer_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-ether.c:471
void raw_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-raw.c:37
void sll_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *)
Definition: print-sll.c:216
static void ndo_error(netdissect_options *ndo, status_exit_codes_t status, const char *fmt,...)
Definition: print.c:510
int has_printer(int type)
Definition: print.c:310
static int ndo_printf(netdissect_options *ndo, const char *fmt,...)
Definition: print.c:550
static const struct printer printers[]
Definition: print.c:50
if_printer lookup_printer(int type)
Definition: print.c:273
if_printer get_if_printer(int type)
Definition: print.c:316
static void ndo_default_print(netdissect_options *ndo, const u_char *bp, u_int length)
Definition: print.c:503
void ndo_set_function_pointers(netdissect_options *ndo)
Definition: print.c:566
void init_print(netdissect_options *ndo, uint32_t localnet, uint32_t mask)
Definition: print.c:265
void pretty_print_packet(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *sp, u_int packets_captured)
Definition: print.c:327
static void ndo_warning(netdissect_options *ndo, const char *fmt,...)
Definition: print.c:532
status_exit_codes_t
@ S_ERR_ND_WRITE_FILE
int(* ndo_printf)(netdissect_options *, const char *fmt,...) PRINTFLIKE_FUNCPTR(2
Definition: netdissect.h:252
const u_char * ndo_snapend
Definition: netdissect.h:239
int(*) void NORETURN_FUNCPTR(* ndo_error)(netdissect_options *, status_exit_codes_t status, const char *fmt,...) PRINTFLIKE_FUNCPTR(3
Definition: netdissect.h:256
const char * ndo_protocol
Definition: netdissect.h:218
const char * program_name
Definition: netdissect.h:224
jmp_buf ndo_early_end
Definition: netdissect.h:219
void(* ndo_default_print)(netdissect_options *, const u_char *bp, u_int length)
Definition: netdissect.h:248
if_printer ndo_if_printer
Definition: netdissect.h:245
int(*) void NORETURN_FUNCPTR(*) void(* ndo_warning)(netdissect_options *, const char *fmt,...) PRINTFLIKE_FUNCPTR(2
Definition: netdissect.h:261
Definition: print.c:45
if_printer f
Definition: print.c:46
int type
Definition: print.c:47
static u_int packets_captured
Definition: tcpdump.c:286