1 /*
2 * Copyright (c) 1992, 1993, 1994, 1995, 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 #ifndef lint
22 static const char rcsid[] _U_ =
23 "@(#) $Header: /tcpdump/master/libpcap/bpf_dump.c,v 1.15 2008-01-02 04:16:46 guy Exp $ (LBL)";
24 #endif
25
26 #ifdef HAVE_CONFIG_H
27 #include "config.h"
28 #endif
29
30 #include <pcap.h>
31 #include <stdio.h>
32
33 void
bpf_dump(const struct bpf_program * p,int option)34 bpf_dump(const struct bpf_program *p, int option)
35 {
36 const struct bpf_insn *insn;
37 int i;
38 int n = p->bf_len;
39
40 insn = p->bf_insns;
41 if (option > 2) {
42 printf("%d\n", n);
43 for (i = 0; i < n; ++insn, ++i) {
44 printf("%u %u %u %u\n", insn->code,
45 insn->jt, insn->jf, insn->k);
46 }
47 return ;
48 }
49 if (option > 1) {
50 for (i = 0; i < n; ++insn, ++i)
51 printf("{ 0x%x, %d, %d, 0x%08x },\n",
52 insn->code, insn->jt, insn->jf, insn->k);
53 return;
54 }
55 for (i = 0; i < n; ++insn, ++i) {
56 #ifdef BDEBUG
57 extern int bids[];
58 printf(bids[i] > 0 ? "[%02d]" : " -- ", bids[i] - 1);
59 #endif
60 puts(bpf_image(insn, i));
61 }
62 }
63