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.
40 #include <zlib.h> /* to get the libz version number */
45 #include <wiretap/wtap.h>
47 #include <wsutil/crash_info.h>
48 #include <wsutil/file_util.h>
49 #include <wsutil/filesystem.h>
50 #include <wsutil/privileges.h>
51 #include <wsutil/ws_diag_control.h>
52 #include <wsutil/ws_version_info.h>
55 #include <wsutil/plugins.h>
58 #include <wsutil/report_err.h>
59 #include <wsutil/str_util.h>
62 #include <wsutil/unicode-utils.h>
65 #ifndef HAVE_GETOPT_LONG
66 #include "wsutil/wsgetopt.h"
70 print_usage(FILE *output)
72 fprintf(output, "\n");
73 fprintf(output, "Usage: captype <infile> ...\n");
78 * Don't report failures to load plugins because most (non-wiretap) plugins
79 * *should* fail to load (because we're not linked against libwireshark and
80 * dissector plugins need libwireshark).
83 failure_message(const char *msg_format _U_, va_list ap _U_)
90 get_captype_compiled_info(GString *str)
93 g_string_append(str, ", ");
95 g_string_append(str, "with libz ");
97 g_string_append(str, ZLIB_VERSION);
98 #else /* ZLIB_VERSION */
99 g_string_append(str, "(version unknown)");
100 #endif /* ZLIB_VERSION */
101 #else /* HAVE_LIBZ */
102 g_string_append(str, "without libz");
103 #endif /* HAVE_LIBZ */
107 get_captype_runtime_info(GString *str)
110 #if defined(HAVE_LIBZ) && !defined(_WIN32)
111 g_string_append_printf(str, ", with libz %s", zlibVersion());
116 main(int argc, char *argv[])
118 GString *comp_info_str;
119 GString *runtime_info_str;
125 int overall_error_status;
126 static const struct option long_options[] = {
127 {"help", no_argument, NULL, 'h'},
128 {"version", no_argument, NULL, 'v'},
133 char *init_progfile_dir_error;
136 /* Set the C-language locale to the native environment. */
137 setlocale(LC_ALL, "");
139 /* Get the compile-time version information string */
140 comp_info_str = get_compiled_version_info(NULL, get_captype_compiled_info);
142 /* Get the run-time version information string */
143 runtime_info_str = get_runtime_version_info(get_captype_runtime_info);
145 /* Add it to the information to be reported on a crash. */
146 ws_add_crash_info("Captype (Wireshark) %s\n"
151 get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
154 arg_list_utf_16to8(argc, argv);
155 create_app_running_mutex();
159 * Get credential information for later use.
161 init_process_policies();
162 init_open_routines();
165 if ((init_progfile_dir_error = init_progfile_dir(argv[0], main))) {
166 g_warning("captype: init_progfile_dir(): %s", init_progfile_dir_error);
167 g_free(init_progfile_dir_error);
169 /* Register all the plugin types we have. */
170 wtap_register_plugin_types(); /* Types known to libwiretap */
172 init_report_err(failure_message,NULL,NULL,NULL);
174 /* Scan for plugins. This does *not* call their registration routines;
175 that's done later. */
178 /* Register all libwiretap plugin modules. */
179 register_all_wiretap_modules();
183 /* Process the options */
184 while ((opt = getopt_long(argc, argv, "hv", long_options, NULL)) !=-1) {
189 printf("Captype (Wireshark) %s\n"
190 "Print the file types of capture files.\n"
191 "See https://www.wireshark.org for more information.\n",
192 get_ws_vcs_version_info());
198 show_version("Captype (Wireshark)", comp_info_str, runtime_info_str);
199 g_string_free(comp_info_str, TRUE);
200 g_string_free(runtime_info_str, TRUE);
204 case '?': /* Bad flag - print usage message */
216 overall_error_status = 0;
218 for (i = 1; i < argc; i++) {
219 wth = wtap_open_offline(argv[i], WTAP_TYPE_AUTO, &err, &err_info, FALSE);
222 printf("%s: %s\n", argv[i], wtap_file_type_subtype_short_string(wtap_file_type_subtype(wth)));
225 if (err == WTAP_ERR_FILE_UNKNOWN_FORMAT)
226 printf("%s: unknown\n", argv[i]);
228 fprintf(stderr, "captype: Can't open %s: %s\n", argv[i],
230 if (err_info != NULL) {
231 fprintf(stderr, "(%s)\n", err_info);
234 overall_error_status = 1; /* remember that an error has occurred */
240 return overall_error_status;
244 * Editor modelines - http://www.wireshark.org/tools/modelines.html
249 * indent-tabs-mode: nil
252 * vi: set shiftwidth=2 tabstop=8 expandtab:
253 * :indentSize=2:tabSize=8:noTabs=true: