xref: /freebsd/contrib/tcpdump/bpf_dump.c (revision 4de76e31371f636d15e4005d6bed5755adb4c393)
14edb46e9SPaul Traina /*
24de76e31SBill Fenner  * Copyright (c) 1992, 1993, 1994, 1995, 1996
34edb46e9SPaul Traina  *	The Regents of the University of California.  All rights reserved.
44edb46e9SPaul Traina  *
54edb46e9SPaul Traina  * Redistribution and use in source and binary forms, with or without
64edb46e9SPaul Traina  * modification, are permitted provided that: (1) source code distributions
74edb46e9SPaul Traina  * retain the above copyright notice and this paragraph in its entirety, (2)
84edb46e9SPaul Traina  * distributions including binary code include the above copyright notice and
94edb46e9SPaul Traina  * this paragraph in its entirety in the documentation or other materials
104edb46e9SPaul Traina  * provided with the distribution, and (3) all advertising materials mentioning
114edb46e9SPaul Traina  * features or use of this software display the following acknowledgement:
124edb46e9SPaul Traina  * ``This product includes software developed by the University of California,
134edb46e9SPaul Traina  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
144edb46e9SPaul Traina  * the University nor the names of its contributors may be used to endorse
154edb46e9SPaul Traina  * or promote products derived from this software without specific prior
164edb46e9SPaul Traina  * written permission.
174edb46e9SPaul Traina  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
184edb46e9SPaul Traina  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
194edb46e9SPaul Traina  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
204edb46e9SPaul Traina  */
214edb46e9SPaul Traina #ifndef lint
224de76e31SBill Fenner static const char rcsid[] =
234de76e31SBill Fenner     "@(#) $Header: bpf_dump.c,v 1.9 96/09/26 23:11:04 leres Exp $ (LBL)";
244edb46e9SPaul Traina #endif
254edb46e9SPaul Traina 
264edb46e9SPaul Traina #include <sys/types.h>
274edb46e9SPaul Traina #include <sys/time.h>
284edb46e9SPaul Traina 
294edb46e9SPaul Traina #include <pcap.h>
304edb46e9SPaul Traina #include <stdio.h>
314edb46e9SPaul Traina 
324edb46e9SPaul Traina #include "interface.h"
334edb46e9SPaul Traina 
344edb46e9SPaul Traina extern void bpf_dump(struct bpf_program *, int);
354edb46e9SPaul Traina 
364edb46e9SPaul Traina void
374edb46e9SPaul Traina bpf_dump(struct bpf_program *p, int option)
384edb46e9SPaul Traina {
394edb46e9SPaul Traina 	struct bpf_insn *insn;
404edb46e9SPaul Traina 	int i;
414edb46e9SPaul Traina 	int n = p->bf_len;
424edb46e9SPaul Traina 
434edb46e9SPaul Traina 	insn = p->bf_insns;
444edb46e9SPaul Traina 	if (option > 2) {
454edb46e9SPaul Traina 		printf("%d\n", n);
464edb46e9SPaul Traina 		for (i = 0; i < n; ++insn, ++i) {
474edb46e9SPaul Traina 			printf("%u %u %u %u\n", insn->code,
484edb46e9SPaul Traina 			       insn->jt, insn->jf, insn->k);
494edb46e9SPaul Traina 		}
504edb46e9SPaul Traina 		return ;
514edb46e9SPaul Traina 	}
524edb46e9SPaul Traina 	if (option > 1) {
534edb46e9SPaul Traina 		for (i = 0; i < n; ++insn, ++i)
544edb46e9SPaul Traina 			printf("{ 0x%x, %d, %d, 0x%08x },\n",
554edb46e9SPaul Traina 			       insn->code, insn->jt, insn->jf, insn->k);
564edb46e9SPaul Traina 		return;
574edb46e9SPaul Traina 	}
584edb46e9SPaul Traina 	for (i = 0; i < n; ++insn, ++i) {
594edb46e9SPaul Traina #ifdef BDEBUG
604edb46e9SPaul Traina 		extern int bids[];
614edb46e9SPaul Traina 		printf(bids[i] > 0 ? "[%02d]" : " -- ", bids[i] - 1);
624edb46e9SPaul Traina #endif
634edb46e9SPaul Traina 		puts(bpf_image(insn, i));
644edb46e9SPaul Traina 	}
654edb46e9SPaul Traina }
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