contrib/tcpdump/print-sip.c

   1 /*
   2  * Redistribution and use in source and binary forms, with or without
   3  * modification, are permitted provided that: (1) source code
   4  * distributions retain the above copyright notice and this paragraph
   5  * in its entirety, and (2) distributions including binary code include
   6  * the above copyright notice and this paragraph in its entirety in
   7  * the documentation or other materials provided with the distribution.
   8  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
   9  * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
  10  * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  11  * FOR A PARTICULAR PURPOSE.
  12  *
  13  * Original code by Hannes Gredler (hannes@juniper.net)
  14  */
  15
  16 #ifndef lint
  17 static const char rcsid[] _U_ =
  18     "@(#) $Header: /tcpdump/master/tcpdump/print-sip.c,v 1.1 2004-07-27 17:04:20 hannes Exp $";
  19 #endif
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #endif
  24
  25 #include <tcpdump-stdinc.h>
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29
  30 #include "interface.h"
  31 #include "extract.h"
  32
  33 #include "udp.h"
  34
  35 void
  36 sip_print(register const u_char *pptr, register u_int len)
  37 {
  38     u_int idx;
  39
  40     printf("SIP, length: %u%s", len, vflag ? "\n\t" : "");
  41
  42     /* in non-verbose mode just lets print the protocol and length */
  43     if (vflag < 1)
  44         return;
  45
  46     for (idx = 0; idx < len; idx++) {
  47         TCHECK2(*(pptr+idx), 2);
  48         if (EXTRACT_16BITS(pptr+idx) != 0x0d0a) { /* linefeed ? */
  49             safeputchar(*(pptr+idx));
  50         } else {
  51             printf("\n\t");
  52             idx+=1;
  53         }
  54     }
  55
  56     /* do we want to see an additionally hexdump ? */
  57     if (vflag> 1)
  58         print_unknown_data(pptr,"\n\t",len);
  59
  60     return;
  61
  62 trunc:
  63     printf("[|sip]");
  64 }