2 * Reports capture file type
5 * Copyright 2004 Ian Schorr
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
41 #include <wiretap/wtap.h>
43 #include <wsutil/cmdarg_err.h>
44 #include <wsutil/crash_info.h>
45 #include <wsutil/file_util.h>
46 #include <wsutil/filesystem.h>
47 #include <wsutil/privileges.h>
48 #include <ws_version_info.h>
51 #include <wsutil/plugins.h>
54 #include <wsutil/report_message.h>
55 #include <wsutil/str_util.h>
58 #include <wsutil/unicode-utils.h>
61 #ifndef HAVE_GETOPT_LONG
62 #include "wsutil/wsgetopt.h"
65 #include "ui/failure_message.h"
68 print_usage(FILE *output)
70 fprintf(output, "\n");
71 fprintf(output, "Usage: captype <infile> ...\n");
75 * General errors and warnings are reported with an console message
79 failure_warning_message(const char *msg_format, va_list ap)
81 fprintf(stderr, "captype: ");
82 vfprintf(stderr, msg_format, ap);
83 fprintf(stderr, "\n");
87 * Report additional information for an error in command-line arguments.
90 failure_message_cont(const char *msg_format, va_list ap)
92 vfprintf(stderr, msg_format, ap);
93 fprintf(stderr, "\n");
97 main(int argc, char *argv[])
99 GString *comp_info_str;
100 GString *runtime_info_str;
101 char *init_progfile_dir_error;
107 int overall_error_status;
108 static const struct option long_options[] = {
109 {"help", no_argument, NULL, 'h'},
110 {"version", no_argument, NULL, 'v'},
114 /* Set the C-language locale to the native environment. */
115 setlocale(LC_ALL, "");
117 cmdarg_err_init(failure_warning_message, failure_message_cont);
119 /* Get the compile-time version information string */
120 comp_info_str = get_compiled_version_info(NULL, NULL);
122 /* Get the run-time version information string */
123 runtime_info_str = get_runtime_version_info(NULL);
125 /* Add it to the information to be reported on a crash. */
126 ws_add_crash_info("Captype (Wireshark) %s\n"
131 get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
132 g_string_free(comp_info_str, TRUE);
133 g_string_free(runtime_info_str, TRUE);
136 arg_list_utf_16to8(argc, argv);
137 create_app_running_mutex();
141 * Get credential information for later use.
143 init_process_policies();
146 * Attempt to get the pathname of the directory containing the
149 init_progfile_dir_error = init_progfile_dir(argv[0], main);
150 if (init_progfile_dir_error != NULL) {
152 "captype: Can't get pathname of directory containing the captype program: %s.\n",
153 init_progfile_dir_error);
154 g_free(init_progfile_dir_error);
160 init_report_message(failure_warning_message, failure_warning_message,
163 /* Scan for plugins. This does *not* call their registration routines;
166 Don't report failures to load plugins because most (non-wiretap)
167 plugins *should* fail to load (because we're not linked against
168 libwireshark and dissector plugins need libwireshark). */
169 scan_plugins(DONT_REPORT_LOAD_FAILURE);
171 /* Register all libwiretap plugin modules. */
172 register_all_wiretap_modules();
175 /* Process the options */
176 while ((opt = getopt_long(argc, argv, "hv", long_options, NULL)) !=-1) {
181 printf("Captype (Wireshark) %s\n"
182 "Print the file types of capture files.\n"
183 "See https://www.wireshark.org for more information.\n",
184 get_ws_vcs_version_info());
190 comp_info_str = get_compiled_version_info(NULL, NULL);
191 runtime_info_str = get_runtime_version_info(NULL);
192 show_version("Captype (Wireshark)", comp_info_str, runtime_info_str);
193 g_string_free(comp_info_str, TRUE);
194 g_string_free(runtime_info_str, TRUE);
198 case '?': /* Bad flag - print usage message */
210 overall_error_status = 0;
212 for (i = 1; i < argc; i++) {
213 wth = wtap_open_offline(argv[i], WTAP_TYPE_AUTO, &err, &err_info, FALSE);
216 printf("%s: %s\n", argv[i], wtap_file_type_subtype_short_string(wtap_file_type_subtype(wth)));
219 if (err == WTAP_ERR_FILE_UNKNOWN_FORMAT)
220 printf("%s: unknown\n", argv[i]);
222 cfile_open_failure_message("captype", argv[i], err, err_info);
223 overall_error_status = 2; /* remember that an error has occurred */
234 return overall_error_status;
238 * Editor modelines - http://www.wireshark.org/tools/modelines.html
243 * indent-tabs-mode: nil
246 * vi: set shiftwidth=2 tabstop=8 expandtab:
247 * :indentSize=2:tabSize=8:noTabs=true: