xref: /minix3/external/bsd/tcpdump/dist/bpf_dump.c (revision b636d99d91c3d54204248f643c14627405d4afd1)
1*b636d99dSDavid van Moolenbroek /*
2*b636d99dSDavid van Moolenbroek  * Copyright (c) 1992, 1993, 1994, 1995, 1996
3*b636d99dSDavid van Moolenbroek  *	The Regents of the University of California.  All rights reserved.
4*b636d99dSDavid van Moolenbroek  *
5*b636d99dSDavid van Moolenbroek  * Redistribution and use in source and binary forms, with or without
6*b636d99dSDavid van Moolenbroek  * modification, are permitted provided that: (1) source code distributions
7*b636d99dSDavid van Moolenbroek  * retain the above copyright notice and this paragraph in its entirety, (2)
8*b636d99dSDavid van Moolenbroek  * distributions including binary code include the above copyright notice and
9*b636d99dSDavid van Moolenbroek  * this paragraph in its entirety in the documentation or other materials
10*b636d99dSDavid van Moolenbroek  * provided with the distribution, and (3) all advertising materials mentioning
11*b636d99dSDavid van Moolenbroek  * features or use of this software display the following acknowledgement:
12*b636d99dSDavid van Moolenbroek  * ``This product includes software developed by the University of California,
13*b636d99dSDavid van Moolenbroek  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14*b636d99dSDavid van Moolenbroek  * the University nor the names of its contributors may be used to endorse
15*b636d99dSDavid van Moolenbroek  * or promote products derived from this software without specific prior
16*b636d99dSDavid van Moolenbroek  * written permission.
17*b636d99dSDavid van Moolenbroek  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18*b636d99dSDavid van Moolenbroek  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19*b636d99dSDavid van Moolenbroek  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20*b636d99dSDavid van Moolenbroek  */
21*b636d99dSDavid van Moolenbroek #include <sys/cdefs.h>
22*b636d99dSDavid van Moolenbroek #ifndef lint
23*b636d99dSDavid van Moolenbroek __RCSID("$NetBSD: bpf_dump.c,v 1.4 2014/11/20 03:05:03 christos Exp $");
24*b636d99dSDavid van Moolenbroek #endif
25*b636d99dSDavid van Moolenbroek 
26*b636d99dSDavid van Moolenbroek #define NETDISSECT_REWORKED
27*b636d99dSDavid van Moolenbroek #ifdef HAVE_CONFIG_H
28*b636d99dSDavid van Moolenbroek #include "config.h"
29*b636d99dSDavid van Moolenbroek #endif
30*b636d99dSDavid van Moolenbroek 
31*b636d99dSDavid van Moolenbroek #include <tcpdump-stdinc.h>
32*b636d99dSDavid van Moolenbroek 
33*b636d99dSDavid van Moolenbroek #include <stdio.h>
34*b636d99dSDavid van Moolenbroek 
35*b636d99dSDavid van Moolenbroek #include "interface.h"
36*b636d99dSDavid van Moolenbroek 
37*b636d99dSDavid van Moolenbroek void
bpf_dump(const struct bpf_program * p,int option)38*b636d99dSDavid van Moolenbroek bpf_dump(const struct bpf_program *p, int option)
39*b636d99dSDavid van Moolenbroek {
40*b636d99dSDavid van Moolenbroek 	struct bpf_insn *insn;
41*b636d99dSDavid van Moolenbroek 	int i;
42*b636d99dSDavid van Moolenbroek 	int n = p->bf_len;
43*b636d99dSDavid van Moolenbroek 
44*b636d99dSDavid van Moolenbroek 	insn = p->bf_insns;
45*b636d99dSDavid van Moolenbroek 	if (option > 2) {
46*b636d99dSDavid van Moolenbroek 		printf("%d\n", n);
47*b636d99dSDavid van Moolenbroek 		for (i = 0; i < n; ++insn, ++i) {
48*b636d99dSDavid van Moolenbroek 			printf("%u %u %u %u\n", insn->code,
49*b636d99dSDavid van Moolenbroek 			       insn->jt, insn->jf, insn->k);
50*b636d99dSDavid van Moolenbroek 		}
51*b636d99dSDavid van Moolenbroek 		return ;
52*b636d99dSDavid van Moolenbroek 	}
53*b636d99dSDavid van Moolenbroek 	if (option > 1) {
54*b636d99dSDavid van Moolenbroek 		for (i = 0; i < n; ++insn, ++i)
55*b636d99dSDavid van Moolenbroek 			printf("{ 0x%x, %d, %d, 0x%08x },\n",
56*b636d99dSDavid van Moolenbroek 			       insn->code, insn->jt, insn->jf, insn->k);
57*b636d99dSDavid van Moolenbroek 		return;
58*b636d99dSDavid van Moolenbroek 	}
59*b636d99dSDavid van Moolenbroek 	for (i = 0; i < n; ++insn, ++i) {
60*b636d99dSDavid van Moolenbroek #ifdef BDEBUG
61*b636d99dSDavid van Moolenbroek 		extern int bids[];
62*b636d99dSDavid van Moolenbroek 		printf(bids[i] > 0 ? "[%02d]" : " -- ", bids[i] - 1);
63*b636d99dSDavid van Moolenbroek #endif
64*b636d99dSDavid van Moolenbroek 		puts(bpf_image(insn, i));
65*b636d99dSDavid van Moolenbroek 	}
66*b636d99dSDavid van Moolenbroek }
67