4 * Creates random packet traces. Useful for debugging sniffers by testing
5 * assumptions about the veracity of the data found in the packet.
7 * Copyright (C) 1999 by Gilbert Ramirez <gram@alumni.rice.edu>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
30 #include <wsutil/clopts_common.h>
31 #include <wsutil/cmdarg_err.h>
32 #include <wsutil/unicode-utils.h>
33 #include <wsutil/file_util.h>
34 #include <wsutil/filesystem.h>
35 #include <wsutil/privileges.h>
38 #include <wsutil/plugins.h>
41 #include <wsutil/report_message.h>
46 #ifndef HAVE_GETOPT_LONG
47 #include "wsutil/wsgetopt.h"
50 #include "randpkt_core/randpkt_core.h"
52 #define INVALID_OPTION 1
53 #define INVALID_TYPE 2
57 * General errors and warnings are reported with an console message
61 failure_warning_message(const char *msg_format, va_list ap)
63 fprintf(stderr, "randpkt: ");
64 vfprintf(stderr, msg_format, ap);
65 fprintf(stderr, "\n");
69 * Report additional information for an error in command-line arguments.
72 failure_message_cont(const char *msg_format, va_list ap)
74 vfprintf(stderr, msg_format, ap);
75 fprintf(stderr, "\n");
78 /* Print usage statement and exit program */
80 usage(gboolean is_error)
94 fprintf(output, "Usage: randpkt [-b maxbytes] [-c count] [-t type] [-r] filename\n");
95 fprintf(output, "Default max bytes (per packet) is 5000\n");
96 fprintf(output, "Default count is 1000.\n");
97 fprintf(output, "-r: random packet type selection\n");
98 fprintf(output, "\n");
99 fprintf(output, "Types:\n");
101 /* Get the examples list */
102 randpkt_example_list(&abbrev_list, &longname_list);
103 while (abbrev_list[i] && longname_list[i]) {
104 fprintf(output, "\t%-16s%s\n", abbrev_list[i], longname_list[i]);
108 g_strfreev(abbrev_list);
109 g_strfreev(longname_list);
111 fprintf(output, "\nIf type is not specified, a random packet will be chosen\n\n");
115 main(int argc, char **argv)
117 char *init_progfile_dir_error;
119 int produce_type = -1;
120 char *produce_filename = NULL;
121 int produce_max_bytes = 5000;
122 int produce_count = 1000;
123 randpkt_example *example;
125 int allrandom = FALSE;
126 wtap_dumper *savedump;
127 int ret = EXIT_SUCCESS;
128 static const struct option long_options[] = {
129 {"help", no_argument, NULL, 'h'},
134 * Get credential information for later use.
136 init_process_policies();
139 * Attempt to get the pathname of the directory containing the
142 init_progfile_dir_error = init_progfile_dir(argv[0], main);
143 if (init_progfile_dir_error != NULL) {
145 "capinfos: Can't get pathname of directory containing the capinfos program: %s.\n",
146 init_progfile_dir_error);
147 g_free(init_progfile_dir_error);
152 cmdarg_err_init(failure_warning_message, failure_message_cont);
155 arg_list_utf_16to8(argc, argv);
156 create_app_running_mutex();
160 /* Register wiretap plugins */
161 init_report_message(failure_warning_message, failure_warning_message,
164 /* Scan for plugins. This does *not* call their registration routines;
167 Don't report failures to load plugins because most
168 (non-wiretap) plugins *should* fail to load (because
169 we're not linked against libwireshark and dissector
170 plugins need libwireshark). */
171 scan_plugins(DONT_REPORT_LOAD_FAILURE);
173 /* Register all libwiretap plugin modules. */
174 register_all_wiretap_modules();
177 while ((opt = getopt_long(argc, argv, "b:c:ht:r", long_options, NULL)) != -1) {
179 case 'b': /* max bytes */
180 produce_max_bytes = get_positive_int(optarg, "max bytes");
181 if (produce_max_bytes > 65536) {
182 cmdarg_err("max bytes is > 65536");
183 ret = INVALID_OPTION;
188 case 'c': /* count */
189 produce_count = get_positive_int(optarg, "count");
192 case 't': /* type of packet to produce */
193 type = g_strdup(optarg);
207 ret = INVALID_OPTION;
213 /* any more command line parameters? */
215 produce_filename = argv[optind];
219 ret = INVALID_OPTION;
224 produce_type = randpkt_parse_type(type);
227 example = randpkt_find_example(produce_type);
229 ret = INVALID_OPTION;
233 ret = randpkt_example_init(example, produce_filename, produce_max_bytes);
234 if (ret != EXIT_SUCCESS)
236 randpkt_loop(example, produce_count);
239 fprintf(stderr, "Can't set type in random mode\n");
244 produce_type = randpkt_parse_type(NULL);
245 example = randpkt_find_example(produce_type);
247 ret = INVALID_OPTION;
250 ret = randpkt_example_init(example, produce_filename, produce_max_bytes);
251 if (ret != EXIT_SUCCESS)
254 while (produce_count-- > 0) {
255 randpkt_loop(example, 1);
256 produce_type = randpkt_parse_type(NULL);
258 savedump = example->dump;
260 example = randpkt_find_example(produce_type);
262 ret = INVALID_OPTION;
265 example->dump = savedump;
268 if (!randpkt_example_close(example)) {
278 * Editor modelines - http://www.wireshark.org/tools/modelines.html
283 * indent-tabs-mode: t
286 * vi: set shiftwidth=8 tabstop=8 noexpandtab:
287 * :indentSize=8:tabSize=8:noTabs=false: