1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
|
/****************************************************************************
** File: raw.c
**
** Author: Mike Borella
**
** Comments: Dump raw data link packets
**
*****************************************************************************/
#include <stdio.h>
#include <unistd.h>
#include <pcap.h>
#include "config.h"
u_char *packet_ptr;
u_char *packet_end;
/*----------------------------------------------------------------------------
**
** dump_raw()
**
** Process packets from the DLT_RAW interface type
**
**----------------------------------------------------------------------------
*/
void dump_raw(u_char *user, const struct pcap_pkthdr *h, u_char *p)
{
u_int length;
u_int caplen;
void dump_ip(u_char *, u_int);
/*
* Get total packet length and length of the captured section
*/
length = h->len;
caplen = h->caplen;
/*
* Dump raw header
*/
printf("==========================================================\n");
printf(" Raw Header(%u.%06u)\n",
(u_int32_t) h->ts.tv_sec, (u_int32_t) h->ts.tv_usec);
printf("----------------------------------------------------------\n");
/*
* Some printers want to get back at the link level addresses,
* and/or check that they're not walking off the end of the packet.
* Rather than pass them all the way down, we set these globals.
*/
packet_ptr = p;
packet_end = p + caplen;
dump_ip(p, length);
}
|