/*
* init plugins
*/
void
init_plugins(void)
{
const char *plugin_dir;
const char *name;
char *plugin_dir_path;
char *plugins_pers_dir;
WS_DIR *dir; /* scanned directory */
WS_DIRENT *file; /* current file */
if (plugin_list == NULL) /* ensure init_plugins is only run once */
{
/*
* Scan the global plugin directory.
* If we're running from a build directory, scan the subdirectories
* of that directory, as the global plugin directory is the
* "plugins" directory of the source tree, and the subdirectories
* are the source directories for the plugins, with the plugins
* built in those subdirectories.
*/
plugin_dir = get_plugin_dir();
if (running_in_build_directory())
{
if ((dir = ws_dir_open(plugin_dir, 0, NULL)) != NULL)
{
while ((file = ws_dir_read_name(dir)) != NULL)
{
name = ws_dir_get_name(file);
if (strcmp(name, ".") == 0 || strcmp(name, "..") == 0)
continue; /* skip "." and ".." */
/*
* Get the full path of a ".libs" subdirectory of that
* directory.
*/
plugin_dir_path = g_strdup_printf(
"%s" G_DIR_SEPARATOR_S "%s" G_DIR_SEPARATOR_S ".libs",
plugin_dir, name);
if (test_for_directory(plugin_dir_path) != EISDIR) {
/*
* Either it doesn't refer to a directory or it
* refers to something that doesn't exist.
*
* Assume that means that the plugins are in
* the subdirectory of the plugin directory, not
* a ".libs" subdirectory of that subdirectory.
*/
g_free(plugin_dir_path);
plugin_dir_path = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s",
plugin_dir, name);
}
plugins_scan_dir(plugin_dir_path);
g_free(plugin_dir_path);
}
ws_dir_close(dir);
}
}
else
plugins_scan_dir(plugin_dir);
/*
* If the program wasn't started with special privileges,
* scan the users plugin directory. (Even if we relinquish
* them, plugins aren't safe unless we've *permanently*
* relinquished them, and we can't do that in Wireshark as,
* if we need privileges to start capturing, we'd need to
* reclaim them before each time we start capturing.)
*/
if (!started_with_special_privs())
{
plugins_pers_dir = get_plugins_pers_dir();
plugins_scan_dir(plugins_pers_dir);
g_free(plugins_pers_dir);
}
}
register_all_wiretap_modules();
register_all_codecs();
}
int
main(int argc, char *argv[])
{
GString *comp_info_str;
GString *runtime_info_str;
wtap *wth;
int err;
gchar *err_info;
int i;
int opt;
int overall_error_status;
static const struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'},
{0, 0, 0, 0 }
};
#ifdef HAVE_PLUGINS
char *init_progfile_dir_error;
#endif
/* Set the C-language locale to the native environment. */
setlocale(LC_ALL, "");
/* Get the compile-time version information string */
comp_info_str = get_compiled_version_info(NULL, NULL);
/* Get the run-time version information string */
runtime_info_str = get_runtime_version_info(NULL);
/* Add it to the information to be reported on a crash. */
ws_add_crash_info("Captype (Wireshark) %s\n"
"\n"
"%s"
"\n"
"%s",
get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
g_string_free(comp_info_str, TRUE);
g_string_free(runtime_info_str, TRUE);
#ifdef _WIN32
arg_list_utf_16to8(argc, argv);
create_app_running_mutex();
#endif /* _WIN32 */
/*
* Get credential information for later use.
*/
init_process_policies();
init_open_routines();
#ifdef HAVE_PLUGINS
if ((init_progfile_dir_error = init_progfile_dir(argv[0], main))) {
g_warning("captype: 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.
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). */
scan_plugins(DONT_REPORT_LOAD_FAILURE);
/* Register all libwiretap plugin modules. */
register_all_wiretap_modules();
}
#endif
/* Process the options */
while ((opt = getopt_long(argc, argv, "hv", long_options, NULL)) !=-1) {
switch (opt) {
case 'h':
printf("Captype (Wireshark) %s\n"
"Print the file types of capture files.\n"
"See https://www.wireshark.org for more information.\n",
get_ws_vcs_version_info());
print_usage(stdout);
exit(0);
break;
case 'v':
comp_info_str = get_compiled_version_info(NULL, NULL);
runtime_info_str = get_runtime_version_info(NULL);
show_version("Captype (Wireshark)", comp_info_str, runtime_info_str);
g_string_free(comp_info_str, TRUE);
g_string_free(runtime_info_str, TRUE);
exit(0);
break;
case '?': /* Bad flag - print usage message */
print_usage(stderr);
exit(1);
break;
}
}
if (argc < 2) {
print_usage(stderr);
return 1;
}
overall_error_status = 0;
for (i = 1; i < argc; i++) {
wth = wtap_open_offline(argv[i], WTAP_TYPE_AUTO, &err, &err_info, FALSE);
if(wth) {
printf("%s: %s\n", argv[i], wtap_file_type_subtype_short_string(wtap_file_type_subtype(wth)));
wtap_close(wth);
} else {
if (err == WTAP_ERR_FILE_UNKNOWN_FORMAT)
printf("%s: unknown\n", argv[i]);
else {
fprintf(stderr, "captype: Can't open %s: %s\n", argv[i],
wtap_strerror(err));
if (err_info != NULL) {
fprintf(stderr, "(%s)\n", err_info);
g_free(err_info);
}
overall_error_status = 1; /* remember that an error has occurred */
}
}
}
return overall_error_status;
}