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* Copyright (C) 2007-2010 Marcel Holtmann <marcel@holtmann.org>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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* Plugins that are using libraries with threads and their own mainloop
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* will crash on exit. This is a bug inside these libraries, but there is
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* nothing much that can be done about it. One bad example is libebook.
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#define PLUGINFLAG (RTLD_NOW | RTLD_NODELETE)
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#define PLUGINFLAG (RTLD_NOW)
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static GSList *plugins = NULL;
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struct obex_plugin_desc *desc;
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static gboolean add_plugin(void *handle, struct obex_plugin_desc *desc)
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struct obex_plugin *plugin;
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if (desc->init == NULL)
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plugin = g_try_new0(struct obex_plugin, 1);
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plugin->handle = handle;
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if (desc->init() < 0) {
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plugins = g_slist_append(plugins, plugin);
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DBG("Plugin %s loaded", desc->name);
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static gboolean check_plugin(struct obex_plugin_desc *desc,
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char **patterns, char **excludes)
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for (; *excludes; excludes++)
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if (g_pattern_match_simple(*excludes, desc->name))
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info("Excluding %s", desc->name);
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for (; *patterns; patterns++)
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if (g_pattern_match_simple(*patterns, desc->name))
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if (*patterns == NULL) {
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info("Ignoring %s", desc->name);
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gboolean plugin_init(const char *pattern, const char *exclude)
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char **patterns = NULL;
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char **excludes = NULL;
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if (strlen(PLUGINDIR) == 0)
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patterns = g_strsplit_set(pattern, ":, ", -1);
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excludes = g_strsplit_set(exclude, ":, ", -1);
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DBG("Loading builtin plugins");
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for (i = 0; __obex_builtin[i]; i++) {
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if (check_plugin(__obex_builtin[i],
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patterns, excludes) == FALSE)
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add_plugin(NULL, __obex_builtin[i]);
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DBG("Loading plugins %s", PLUGINDIR);
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dir = g_dir_open(PLUGINDIR, 0, NULL);
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while ((file = g_dir_read_name(dir)) != NULL) {
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struct obex_plugin_desc *desc;
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if (g_str_has_prefix(file, "lib") == TRUE ||
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g_str_has_suffix(file, ".so") == FALSE)
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filename = g_build_filename(PLUGINDIR, file, NULL);
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handle = dlopen(filename, PLUGINFLAG);
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if (handle == NULL) {
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error("Can't load plugin %s: %s", filename,
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desc = dlsym(handle, "obex_plugin_desc");
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error("Can't load plugin description: %s", dlerror());
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if (check_plugin(desc, patterns, excludes) == FALSE) {
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if (add_plugin(handle, desc) == FALSE)
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g_strfreev(patterns);
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g_strfreev(excludes);
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void plugin_cleanup(void)
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DBG("Cleanup plugins");
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for (list = plugins; list; list = list->next) {
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struct obex_plugin *plugin = list->data;
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if (plugin->desc->exit)
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plugin->desc->exit();
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if (plugin->handle != NULL)
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dlclose(plugin->handle);
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g_slist_free(plugins);