The Tcpdump Group git mirrors - tcpdump/blob - print-raw.c

   1 /*
   2  * Copyright (c) 1996
   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
  22 #ifndef lint
  23 static const char rcsid[] =
  24     "@(#) $Header: /tcpdump/master/tcpdump/print-raw.c,v 1.25 1999-11-21 09:37:00 fenner Exp $ (LBL)";
  25 #endif
  26
  27 #ifdef HAVE_CONFIG_H
  28 #include "config.h"
  29 #endif
  30
  31 #include <sys/param.h>
  32 #include <sys/time.h>
  33 #include <sys/socket.h>
  34 #include <sys/file.h>
  35 #include <sys/ioctl.h>
  36
  37 #if __STDC__
  38 struct mbuf;
  39 struct rtentry;
  40 #endif
  41 #include <net/if.h>
  42
  43 #include <netinet/in.h>
  44 #include <netinet/in_systm.h>
  45 #include <netinet/ip.h>
  46 #include <netinet/if_ether.h>
  47 #include <netinet/ip_var.h>
  48 #include <netinet/udp.h>
  49 #include <netinet/udp_var.h>
  50 #include <netinet/tcp.h>
  51
  52 #include <pcap.h>
  53 #include <stdio.h>
  54 #include <string.h>
  55
  56 #include "addrtoname.h"
  57 #include "interface.h"
  58
  59 #ifndef AF_NS
  60 #define AF_NS           6               /* XEROX NS protocols */
  61 #endif
  62
  63 /*
  64  * The DLT_RAW packet has no header. It contains a raw IP packet.
  65  */
  66
  67 void
  68 raw_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
  69 {
  70         u_int length = h->len;
  71         u_int caplen = h->caplen;
  72
  73         ts_print(&h->ts);
  74
  75         /*
  76          * Some printers want to get back at the link level addresses,
  77          * and/or check that they're not walking off the end of the packet.
  78          * Rather than pass them all the way down, we set these globals.
  79          */
  80         packetp = p;
  81         snapend = p + caplen;
  82
  83         if (eflag)
  84                 printf("ip: ");
  85
  86         ip_print(p, length);
  87
  88         if (xflag)
  89                 default_print(p, caplen);
  90         putchar('\n');
  91 }