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 1.24 1999-10-30 05:11:20 itojun Exp $ (LBL)";
  25 #endif
  26
  27 #include <sys/param.h>
  28 #include <sys/time.h>
  29 #include <sys/socket.h>
  30 #include <sys/file.h>
  31 #include <sys/ioctl.h>
  32
  33 #if __STDC__
  34 struct mbuf;
  35 struct rtentry;
  36 #endif
  37 #include <net/if.h>
  38
  39 #include <netinet/in.h>
  40 #include <netinet/in_systm.h>
  41 #include <netinet/ip.h>
  42 #include <netinet/if_ether.h>
  43 #include <netinet/ip_var.h>
  44 #include <netinet/udp.h>
  45 #include <netinet/udp_var.h>
  46 #include <netinet/tcp.h>
  47
  48 #include <pcap.h>
  49 #include <stdio.h>
  50 #include <string.h>
  51
  52 #include "addrtoname.h"
  53 #include "interface.h"
  54
  55 #ifndef AF_NS
  56 #define AF_NS           6               /* XEROX NS protocols */
  57 #endif
  58
  59 /*
  60  * The DLT_RAW packet has no header. It contains a raw IP packet.
  61  */
  62
  63 void
  64 raw_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
  65 {
  66         u_int length = h->len;
  67         u_int caplen = h->caplen;
  68
  69         ts_print(&h->ts);
  70
  71         /*
  72          * Some printers want to get back at the link level addresses,
  73          * and/or check that they're not walking off the end of the packet.
  74          * Rather than pass them all the way down, we set these globals.
  75          */
  76         packetp = p;
  77         snapend = p + caplen;
  78
  79         if (eflag)
  80                 printf("ip: ");
  81
  82         ip_print(p, length);
  83
  84         if (xflag)
  85                 default_print(p, caplen);
  86         putchar('\n');
  87 }