diff options
Diffstat (limited to 'usr.sbin/tcpdump/tcpdump/bpf_dump.c')
-rw-r--r-- | usr.sbin/tcpdump/tcpdump/bpf_dump.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/usr.sbin/tcpdump/tcpdump/bpf_dump.c b/usr.sbin/tcpdump/tcpdump/bpf_dump.c new file mode 100644 index 000000000000..fab9596d2f44 --- /dev/null +++ b/usr.sbin/tcpdump/tcpdump/bpf_dump.c @@ -0,0 +1,61 @@ +/* + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that: (1) source code distributions + * retain the above copyright notice and this paragraph in its entirety, (2) + * distributions including binary code include the above copyright notice and + * this paragraph in its entirety in the documentation or other materials + * provided with the distribution, and (3) all advertising materials mentioning + * features or use of this software display the following acknowledgement: + * ``This product includes software developed by the University of California, + * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of + * the University nor the names of its contributors may be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ +#ifndef lint +static char rcsid[] = + "@(#) $Header: bpf_dump.c,v 1.1 92/01/29 13:25:30 mccanne Exp $ (LBL)"; +#endif + +#include <sys/types.h> +#include <sys/time.h> +#include <net/bpf.h> + +void +bpf_dump(p, option) + struct bpf_program *p; + int option; +{ + struct bpf_insn *insn; + int i; + int n = p->bf_len; + + insn = p->bf_insns; + if (option > 2) { + printf("%d\n", n); + for (i = 0; i < n; ++insn, ++i) { + printf("%lu %lu %lu %lu\n", insn->code, + insn->jt, insn->jf, insn->k); + } + return ; + } + if (option > 1) { + for (i = 0; i < n; ++insn, ++i) + printf("{ 0x%x, %d, %d, 0x%08x },\n", + insn->code, insn->jt, insn->jf, insn->k); + return; + } + for (i = 0; i < n; ++insn, ++i) { +#ifdef BDEBUG + extern int bids[]; + printf(bids[i] > 0 ? "[%02d]" : " -- ", bids[i] - 1); +#endif + puts(bpf_image(insn, i)); + } +} |