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.
44 #include <zlib.h> /* to get the libz version number */
49 #include <wsutil/crash_info.h>
50 #include <wsutil/file_util.h>
51 #include <wsutil/filesystem.h>
52 #include <wsutil/privileges.h>
53 #include <wsutil/ws_diag_control.h>
54 #include <wsutil/ws_version_info.h>
57 #include <wsutil/plugins.h>
61 #include <wsutil/report_err.h>
62 #include <wsutil/str_util.h>
65 #include <wsutil/unicode-utils.h>
68 #ifndef HAVE_GETOPT_LONG
69 #include "wsutil/wsgetopt.h"
73 print_usage(FILE *output)
75 fprintf(output, "\n");
76 fprintf(output, "Usage: captype <infile> ...\n");
81 * Don't report failures to load plugins because most (non-wiretap) plugins
82 * *should* fail to load (because we're not linked against libwireshark and
83 * dissector plugins need libwireshark).
86 failure_message(const char *msg_format _U_, va_list ap _U_)
93 get_captype_compiled_info(GString *str)
96 g_string_append(str, ", ");
98 g_string_append(str, "with libz ");
100 g_string_append(str, ZLIB_VERSION);
101 #else /* ZLIB_VERSION */
102 g_string_append(str, "(version unknown)");
103 #endif /* ZLIB_VERSION */
104 #else /* HAVE_LIBZ */
105 g_string_append(str, "without libz");
106 #endif /* HAVE_LIBZ */
110 get_captype_runtime_info(GString *str)
113 #if defined(HAVE_LIBZ) && !defined(_WIN32)
114 g_string_append_printf(str, ", with libz %s", zlibVersion());
119 main(int argc, char *argv[])
121 GString *comp_info_str;
122 GString *runtime_info_str;
128 int overall_error_status;
130 static const struct option long_options[] = {
131 {(char *)"help", no_argument, NULL, 'h'},
132 {(char *)"version", no_argument, NULL, 'v'},
138 char *init_progfile_dir_error;
141 /* Set the C-language locale to the native environment. */
142 setlocale(LC_ALL, "");
144 /* Get the compile-time version information string */
145 comp_info_str = get_compiled_version_info(NULL, get_captype_compiled_info);
147 /* Get the run-time version information string */
148 runtime_info_str = get_runtime_version_info(get_captype_runtime_info);
150 /* Add it to the information to be reported on a crash. */
151 ws_add_crash_info("Captype (Wireshark) %s\n"
156 get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
159 arg_list_utf_16to8(argc, argv);
160 create_app_running_mutex();
164 * Get credential information for later use.
166 init_process_policies();
167 init_open_routines();
170 if ((init_progfile_dir_error = init_progfile_dir(argv[0], (void *)main))) {
171 g_warning("captype: init_progfile_dir(): %s", init_progfile_dir_error);
172 g_free(init_progfile_dir_error);
174 /* Register all the plugin types we have. */
175 wtap_register_plugin_types(); /* Types known to libwiretap */
177 init_report_err(failure_message,NULL,NULL,NULL);
179 /* Scan for plugins. This does *not* call their registration routines;
180 that's done later. */
183 /* Register all libwiretap plugin modules. */
184 register_all_wiretap_modules();
188 /* Process the options */
189 while ((opt = getopt_long(argc, argv, "hv", long_options, NULL)) !=-1) {
194 printf("Captype (Wireshark) %s\n"
195 "Print the file types of capture files.\n"
196 "See http://www.wireshark.org for more information.\n",
197 get_ws_vcs_version_info());
203 show_version("Captype (Wireshark)", comp_info_str, runtime_info_str);
204 g_string_free(comp_info_str, TRUE);
205 g_string_free(runtime_info_str, TRUE);
209 case '?': /* Bad flag - print usage message */
221 overall_error_status = 0;
223 for (i = 1; i < argc; i++) {
224 wth = wtap_open_offline(argv[i], WTAP_TYPE_AUTO, &err, &err_info, FALSE);
227 printf("%s: %s\n", argv[i], wtap_file_type_subtype_short_string(wtap_file_type_subtype(wth)));
230 if (err == WTAP_ERR_FILE_UNKNOWN_FORMAT)
231 printf("%s: unknown\n", argv[i]);
233 fprintf(stderr, "captype: Can't open %s: %s\n", argv[i],
235 if (err_info != NULL) {
236 fprintf(stderr, "(%s)\n", err_info);
239 overall_error_status = 1; /* remember that an error has occurred */
245 return overall_error_status;
249 * Editor modelines - http://www.wireshark.org/tools/modelines.html
254 * indent-tabs-mode: nil
257 * vi: set shiftwidth=2 tabstop=8 expandtab:
258 * :indentSize=2:tabSize=8:noTabs=true: