1 /* $NetBSD: bpf_dump.c,v 1.1.1.3 2013/04/06 15:57:46 christos 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 #ifndef lint 24 static const char rcsid[] _U_ = 25 "@(#) Header: /tcpdump/master/libpcap/bpf_dump.c,v 1.15 2008-01-02 04:16:46 guy Exp (LBL)"; 26 #endif 27 28 #ifdef HAVE_CONFIG_H 29 #include "config.h" 30 #endif 31 32 #include <pcap.h> 33 #include <stdio.h> 34 35 void 36 bpf_dump(const struct bpf_program *p, int option) 37 { 38 const struct bpf_insn *insn; 39 int i; 40 int n = p->bf_len; 41 42 insn = p->bf_insns; 43 if (option > 2) { 44 printf("%d\n", n); 45 for (i = 0; i < n; ++insn, ++i) { 46 printf("%u %u %u %u\n", insn->code, 47 insn->jt, insn->jf, insn->k); 48 } 49 return ; 50 } 51 if (option > 1) { 52 for (i = 0; i < n; ++insn, ++i) 53 printf("{ 0x%x, %d, %d, 0x%08x },\n", 54 insn->code, insn->jt, insn->jf, insn->k); 55 return; 56 } 57 for (i = 0; i < n; ++insn, ++i) { 58 #ifdef BDEBUG 59 extern int bids[]; 60 printf(bids[i] > 0 ? "[%02d]" : " -- ", bids[i] - 1); 61 #endif 62 puts(bpf_image(insn, i)); 63 } 64 } 65