2 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
23 static const char copyright[] _U_ =
24 "@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000\n\
25 The Regents of the University of California. All rights reserved.\n";
26 static const char rcsid[] _U_ =
27 "@(#) $Header: /tcpdump/master/libpcap/filtertest.c,v 1.2 2005-08-08 17:50:13 guy Exp $ (LBL)";
42 #include <arpa/inet.h>
43 #include <sys/types.h>
46 #ifndef HAVE___ATTRIBUTE__
47 #define __attribute__(x)
50 static char *program_name;
53 static void usage(void) __attribute__((noreturn));
54 static void error(const char *, ...)
55 __attribute__((noreturn, format (printf, 1, 2)));
62 * On Windows, we need to open the file in binary mode, so that
63 * we get all the bytes specified by the size we get from "fstat()".
64 * On UNIX, that's not necessary. O_BINARY is defined on Windows;
65 * we define it as 0 if it's not defined, so it does nothing.
72 read_infile(char *fname)
74 register int i, fd, cc;
78 fd = open(fname, O_RDONLY|O_BINARY);
80 error("can't open %s: %s", fname, pcap_strerror(errno));
82 if (fstat(fd, &buf) < 0)
83 error("can't stat %s: %s", fname, pcap_strerror(errno));
85 cp = malloc((u_int)buf.st_size + 1);
87 error("malloc(%d) for %s: %s", (u_int)buf.st_size + 1,
88 fname, pcap_strerror(errno));
89 cc = read(fd, cp, (u_int)buf.st_size);
91 error("read %s: %s", fname, pcap_strerror(errno));
92 if (cc != buf.st_size)
93 error("short read %s (%d != %d)", fname, cc, (int)buf.st_size);
96 /* replace "# comment" with spaces */
97 for (i = 0; i < cc; i++) {
99 while (i < cc && cp[i] != '\n')
108 error(const char *fmt, ...)
112 (void)fprintf(stderr, "%s: ", program_name);
114 (void)vfprintf(stderr, fmt, ap);
119 (void)fputc('\n', stderr);
126 * Copy arg vector into a new buffer, concatenating arguments with spaces.
129 copy_argv(register char **argv)
132 register u_int len = 0;
141 len += strlen(*p++) + 1;
143 buf = (char *)malloc(len);
145 error("copy_argv: malloc");
149 while ((src = *p++) != NULL) {
150 while ((*dst++ = *src++) != '\0')
160 main(int argc, char **argv)
169 bpf_u_int32 netmask = PCAP_NETMASK_UNKNOWN;
172 struct bpf_program fcode;
175 if(wsockinit() != 0) return 1;
183 if ((cp = strrchr(argv[0], '/')) != NULL)
184 program_name = cp + 1;
186 program_name = argv[0];
189 while ((op = getopt(argc, argv, "dF:m:Os:")) != -1) {
207 addr = inet_addr(optarg);
208 if (addr == INADDR_NONE)
209 error("invalid netmask %s", optarg);
217 snaplen = strtol(optarg, &end, 0);
218 if (optarg == end || *end != '\0'
219 || snaplen < 0 || snaplen > 65535)
220 error("invalid snaplen %s", optarg);
221 else if (snaplen == 0)
232 if (optind >= argc) {
237 dlt = pcap_datalink_name_to_val(argv[optind]);
239 error("invalid data link type %s", argv[optind]);
242 cmdbuf = read_infile(infile);
244 cmdbuf = copy_argv(&argv[optind+1]);
246 pd = pcap_open_dead(dlt, snaplen);
248 error("Can't open fake pcap_t");
250 if (pcap_compile(pd, &fcode, cmdbuf, Oflag, netmask) < 0)
251 error("%s", pcap_geterr(pd));
252 bpf_dump(&fcode, dflag);
260 (void)fprintf(stderr, "%s, with %s\n", program_name,
262 (void)fprintf(stderr,
263 "Usage: %s [-dO] [ -F file ] [ -m netmask] [ -s snaplen ] dlt [ expression ]\n",