| /* |
| * |
| * BlueZ - Bluetooth protocol stack for Linux |
| * |
| * Copyright (C) 2004-2008 Marcel Holtmann <marcel@holtmann.org> |
| * |
| * |
| * 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 St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <glib.h> |
| #include <gmodule.h> |
| #include <string.h> |
| |
| #include <sys/stat.h> |
| #include <errno.h> |
| |
| #include <bluetooth/bluetooth.h> |
| |
| #include "logging.h" |
| |
| #include "plugin.h" |
| |
| static GSList *plugins = NULL; |
| |
| struct bluetooth_plugin { |
| GModule *module; |
| struct bluetooth_plugin_desc *desc; |
| }; |
| |
| static gboolean add_plugin(GModule *module, struct bluetooth_plugin_desc *desc) |
| { |
| struct bluetooth_plugin *plugin; |
| |
| if (desc->init() < 0) |
| return FALSE; |
| |
| plugin = g_try_new0(struct bluetooth_plugin, 1); |
| if (plugin == NULL) |
| return FALSE; |
| |
| plugin->module = module; |
| plugin->desc = desc; |
| |
| plugins = g_slist_append(plugins, plugin); |
| |
| return TRUE; |
| } |
| |
| static gboolean is_disabled(const char *name, char **list) |
| { |
| int i; |
| |
| for (i = 0; list[i] != NULL; i++) { |
| char *str; |
| gboolean equal; |
| |
| str = g_strdup_printf("%s.so", list[i]); |
| |
| equal = g_str_equal(str, name); |
| |
| g_free(str); |
| |
| if (equal) |
| return TRUE; |
| } |
| |
| return FALSE; |
| } |
| |
| gboolean plugin_init(GKeyFile *config) |
| { |
| GDir *dir; |
| const gchar *file; |
| gchar **disabled; |
| |
| if (strlen(PLUGINDIR) == 0) |
| return FALSE; |
| |
| if (config) |
| disabled = g_key_file_get_string_list(config, "General", |
| "DisablePlugins", |
| NULL, NULL); |
| else |
| disabled = NULL; |
| |
| debug("Loading plugins %s", PLUGINDIR); |
| |
| dir = g_dir_open(PLUGINDIR, 0, NULL); |
| if (!dir) { |
| g_strfreev(disabled); |
| return FALSE; |
| } |
| |
| while ((file = g_dir_read_name(dir)) != NULL) { |
| GModule *module; |
| struct bluetooth_plugin_desc *desc; |
| gchar *filename; |
| struct stat st; |
| |
| if (g_str_has_prefix(file, "lib") == TRUE || |
| g_str_has_suffix(file, ".so") == FALSE) |
| continue; |
| |
| if (disabled && is_disabled(file, disabled)) |
| continue; |
| |
| filename = g_build_filename(PLUGINDIR, file, NULL); |
| |
| if (stat(filename, &st) < 0) { |
| error("Can't load plugin %s: %s (%d)", filename, |
| strerror(errno), errno); |
| g_free(filename); |
| continue; |
| } |
| |
| module = g_module_open(filename, G_MODULE_BIND_LOCAL); |
| if (module == NULL) { |
| error("Can't load plugin: %s", g_module_error()); |
| g_free(filename); |
| continue; |
| } |
| |
| g_free(filename); |
| |
| debug("%s", g_module_name(module)); |
| |
| if (g_module_symbol(module, "bluetooth_plugin_desc", |
| (gpointer) &desc) == FALSE) { |
| error("Can't load plugin description"); |
| g_module_close(module); |
| continue; |
| } |
| |
| if (desc == NULL || desc->init == NULL) { |
| g_module_close(module); |
| continue; |
| } |
| |
| if (add_plugin(module, desc) == FALSE) { |
| error("Can't init plugin %s", g_module_name(module)); |
| g_module_close(module); |
| } |
| } |
| |
| g_dir_close(dir); |
| |
| g_strfreev(disabled); |
| |
| return TRUE; |
| } |
| |
| void plugin_cleanup(void) |
| { |
| GSList *list; |
| |
| debug("Cleanup plugins"); |
| |
| for (list = plugins; list; list = list->next) { |
| struct bluetooth_plugin *plugin = list->data; |
| |
| debug("%s", g_module_name(plugin->module)); |
| |
| if (plugin->desc->exit) |
| plugin->desc->exit(); |
| |
| g_module_close(plugin->module); |
| |
| g_free(plugin); |
| } |
| |
| g_slist_free(plugins); |
| } |