1/*	$OpenBSD: bpf_dump.c,v 1.8 2009/10/27 23:59:55 deraadt Exp $	*/
2
3/*
4 * Copyright (c) 1992, 1993, 1994, 1995, 1996
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that: (1) source code distributions
9 * retain the above copyright notice and this paragraph in its entirety, (2)
10 * distributions including binary code include the above copyright notice and
11 * this paragraph in its entirety in the documentation or other materials
12 * provided with the distribution, and (3) all advertising materials mentioning
13 * features or use of this software display the following acknowledgement:
14 * ``This product includes software developed by the University of California,
15 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
16 * the University nor the names of its contributors may be used to endorse
17 * or promote products derived from this software without specific prior
18 * written permission.
19 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22 */
23
24#include <sys/types.h>
25#include <sys/time.h>
26
27#include <pcap.h>
28#include <stdio.h>
29
30#include "interface.h"
31
32extern void bpf_dump(struct bpf_program *, int);
33
34void
35bpf_dump(struct bpf_program *p, int option)
36{
37	struct bpf_insn *insn;
38	int i;
39	int n = p->bf_len;
40
41	insn = p->bf_insns;
42	if (option > 2) {
43		printf("%d\n", n);
44		for (i = 0; i < n; ++insn, ++i) {
45			printf("%u %u %u %u\n", insn->code,
46			       insn->jt, insn->jf, insn->k);
47		}
48		return ;
49	}
50	if (option > 1) {
51		for (i = 0; i < n; ++insn, ++i)
52			printf("{ 0x%x, %d, %d, 0x%08x },\n",
53			       insn->code, insn->jt, insn->jf, insn->k);
54		return;
55	}
56	for (i = 0; i < n; ++insn, ++i) {
57#ifdef BDEBUG
58		extern int bids[];
59		printf(bids[i] > 0 ? "[%02d]" : " -- ", bids[i] - 1);
60#endif
61		puts(bpf_image(insn, i));
62	}
63}
64