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-rw-r--r--captype.c182
1 files changed, 182 insertions, 0 deletions
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+/* captype.c
+ * Reports capture file type
+ *
+ * Based on capinfos.c
+ * Copyright 2004 Ian Schorr
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <locale.h>
+#include <errno.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+#include <glib.h>
+
+#include <wsutil/privileges.h>
+#include <wsutil/filesystem.h>
+
+#ifdef HAVE_PLUGINS
+#include <wsutil/plugins.h>
+#endif
+
+#include "wtap.h"
+#include <wsutil/report_err.h>
+#include <wsutil/privileges.h>
+#include <wsutil/str_util.h>
+
+#ifdef _WIN32
+#include <wsutil/unicode-utils.h>
+#endif /* _WIN32 */
+
+#include "svnversion.h"
+
+static void
+usage(void)
+{
+ fprintf(stderr, "Captype %s"
+#ifdef SVNVERSION
+ " (" SVNVERSION " from " SVNPATH ")"
+#endif
+ "\n", VERSION);
+ fprintf(stderr, "Prints the file types of capture files.\n");
+ fprintf(stderr, "See http://www.wireshark.org for more information.\n");
+ fprintf(stderr, "\n");
+ fprintf(stderr, "Usage: captype <infile> ...\n");
+}
+
+#ifdef HAVE_PLUGINS
+/*
+ * Don't report failures to load plugins because most (non-wiretap) plugins
+ * *should* fail to load (because we're not linked against libwireshark and
+ * dissector plugins need libwireshark).
+ */
+static void
+failure_message(const char *msg_format _U_, va_list ap _U_)
+{
+ return;
+}
+#endif
+
+int
+main(int argc, char *argv[])
+{
+ wtap *wth;
+ int err;
+ gchar *err_info;
+ int i;
+ int overall_error_status;
+
+#ifdef HAVE_PLUGINS
+ char *init_progfile_dir_error;
+#endif
+
+#ifdef _WIN32
+ arg_list_utf_16to8(argc, argv);
+ create_app_running_mutex();
+#endif /* _WIN32 */
+
+ /*
+ * Get credential information for later use.
+ */
+ init_process_policies();
+
+#ifdef HAVE_PLUGINS
+ if ((init_progfile_dir_error = init_progfile_dir(argv[0], main))) {
+ g_warning("capinfos: init_progfile_dir(): %s", init_progfile_dir_error);
+ g_free(init_progfile_dir_error);
+ } else {
+ /* Register all the plugin types we have. */
+ wtap_register_plugin_types(); /* Types known to libwiretap */
+
+ init_report_err(failure_message,NULL,NULL,NULL);
+
+ /* Scan for plugins. This does *not* call their registration routines;
+ that's done later. */
+ scan_plugins();
+
+ /* Register all libwiretap plugin modules. */
+ register_all_wiretap_modules();
+ }
+#endif
+
+ /* Set the C-language locale to the native environment. */
+ setlocale(LC_ALL, "");
+
+ if ((argc - optind) < 1) {
+ usage();
+ return 1;
+ }
+
+ overall_error_status = 0;
+
+ for (i = 1; i < argc; i++) {
+ wth = wtap_open_offline(argv[i], &err, &err_info, FALSE);
+
+ if (!wth) {
+ fprintf(stderr, "capinfos: Can't open %s: %s\n", argv[i],
+ wtap_strerror(err));
+ switch (err) {
+
+ case WTAP_ERR_UNSUPPORTED:
+ case WTAP_ERR_UNSUPPORTED_ENCAP:
+ case WTAP_ERR_BAD_FILE:
+ fprintf(stderr, "(%s)\n", err_info);
+ g_free(err_info);
+ break;
+ }
+ overall_error_status = 1; /* remember that an error has occurred */
+ }
+
+ if(wth) {
+ printf("%s: %s\n", argv[i], wtap_file_type_subtype_short_string(wtap_file_type_subtype(wth)));
+ wtap_close(wth);
+ }
+ }
+
+ return overall_error_status;
+}
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 2
+ * tab-width: 2
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=2 tabstop=2 expandtab:
+ * :indentSize=2:tabSize=2:noTabs=true:
+ */