Rename gtk/ and libgaim/ to pidgin/ and libpurple/

1 files changed, 1619 insertions, 0 deletions

diff --git a/libpurple/plugin.c b/libpurple/plugin.c
new file mode 100644
index 0000000000..377ac39301
--- /dev/null
+++ b/libpurple/plugin.c
@@ -0,0 +1,1619 @@
+/*
+ * gaim
+ *
+ * Gaim is the legal property of its developers, whose names are too numerous
+ * to list here.  Please refer to the COPYRIGHT file distributed with this
+ * source distribution.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include "internal.h"
+
+#include "accountopt.h"
+#include "core.h"
+#include "dbus-maybe.h"
+#include "debug.h"
+#include "notify.h"
+#include "prefs.h"
+#include "prpl.h"
+#include "request.h"
+#include "signals.h"
+#include "util.h"
+#include "version.h"
+
+typedef struct
+{
+	GHashTable *commands;
+	size_t command_count;
+
+} GaimPluginIpcInfo;
+
+typedef struct
+{
+	GaimCallback func;
+	GaimSignalMarshalFunc marshal;
+
+	int num_params;
+	GaimValue **params;
+	GaimValue *ret_value;
+
+} GaimPluginIpcCommand;
+
+static GList *search_paths     = NULL;
+static GList *plugins          = NULL;
+static GList *loaded_plugins   = NULL;
+static GList *protocol_plugins = NULL;
+#ifdef GAIM_PLUGINS
+static GList *load_queue       = NULL;
+static GList *plugin_loaders   = NULL;
+#endif
+
+/*
+ * TODO: I think the intention was to allow multiple load and unload
+ *       callback functions.  Perhaps using a GList instead of a
+ *       pointer to a single function.
+ */
+static void (*probe_cb)(void *) = NULL;
+static void *probe_cb_data = NULL;
+static void (*load_cb)(GaimPlugin *, void *) = NULL;
+static void *load_cb_data = NULL;
+static void (*unload_cb)(GaimPlugin *, void *) = NULL;
+static void *unload_cb_data = NULL;
+
+#ifdef GAIM_PLUGINS
+
+static gboolean
+has_file_extension(const char *filename, const char *ext)
+{
+	int len, extlen;
+
+	if (filename == NULL || *filename == '\0' || ext == NULL)
+		return 0;
+
+	extlen = strlen(ext);
+	len = strlen(filename) - extlen;
+
+	if (len < 0)
+		return 0;
+
+	return (strncmp(filename + len, ext, extlen) == 0);
+}
+
+static gboolean
+is_native(const char *filename)
+{
+	const char *last_period;
+
+	last_period = strrchr(filename, '.');
+	if (last_period == NULL)
+		return FALSE;
+
+	return !(strcmp(last_period, ".dll") &
+			 strcmp(last_period, ".sl") &
+			 strcmp(last_period, ".so"));
+}
+
+static char *
+gaim_plugin_get_basename(const char *filename)
+{
+	const char *basename;
+	const char *last_period;
+
+	basename = strrchr(filename, G_DIR_SEPARATOR);
+	if (basename != NULL)
+		basename++;
+	else
+		basename = filename;
+
+	if (is_native(basename) &&
+		((last_period = strrchr(basename, '.')) != NULL))
+			return g_strndup(basename, (last_period - basename));
+
+	return g_strdup(basename);
+}
+
+static gboolean
+loader_supports_file(GaimPlugin *loader, const char *filename)
+{
+	GList *exts;
+
+	for (exts = GAIM_PLUGIN_LOADER_INFO(loader)->exts; exts != NULL; exts = exts->next) {
+		if (has_file_extension(filename, (char *)exts->data)) {
+			return TRUE;
+		}
+	}
+
+	return FALSE;
+}
+
+static GaimPlugin *
+find_loader_for_plugin(const GaimPlugin *plugin)
+{
+	GaimPlugin *loader;
+	GList *l;
+
+	if (plugin->path == NULL)
+		return NULL;
+
+	for (l = gaim_plugins_get_loaded(); l != NULL; l = l->next) {
+		loader = l->data;
+
+		if (loader->info->type == GAIM_PLUGIN_LOADER &&
+			loader_supports_file(loader, plugin->path)) {
+
+			return loader;
+		}
+
+		loader = NULL;
+	}
+
+	return NULL;
+}
+
+#endif /* GAIM_PLUGINS */
+
+/**
+ * Negative if a before b, 0 if equal, positive if a after b.
+ */
+static gint
+compare_prpl(GaimPlugin *a, GaimPlugin *b)
+{
+	if(GAIM_IS_PROTOCOL_PLUGIN(a)) {
+		if(GAIM_IS_PROTOCOL_PLUGIN(b))
+			return strcmp(a->info->name, b->info->name);
+		else
+			return -1;
+	} else {
+		if(GAIM_IS_PROTOCOL_PLUGIN(b))
+			return 1;
+		else
+			return 0;
+	}
+}
+
+GaimPlugin *
+gaim_plugin_new(gboolean native, const char *path)
+{
+	GaimPlugin *plugin;
+
+	plugin = g_new0(GaimPlugin, 1);
+
+	plugin->native_plugin = native;
+	plugin->path = g_strdup(path);
+
+	GAIM_DBUS_REGISTER_POINTER(plugin, GaimPlugin);
+
+	return plugin;
+}
+
+GaimPlugin *
+gaim_plugin_probe(const char *filename)
+{
+#ifdef GAIM_PLUGINS
+	GaimPlugin *plugin = NULL;
+	GaimPlugin *loader;
+	gpointer unpunned;
+	gchar *basename = NULL;
+	gboolean (*gaim_init_plugin)(GaimPlugin *);
+
+	gaim_debug_misc("plugins", "probing %s\n", filename);
+	g_return_val_if_fail(filename != NULL, NULL);
+
+	if (!g_file_test(filename, G_FILE_TEST_EXISTS))
+		return NULL;
+
+	/* If this plugin has already been probed then exit */
+	basename = gaim_plugin_get_basename(filename);
+	plugin = gaim_plugins_find_with_basename(basename);
+	g_free(basename);
+	if (plugin != NULL)
+	{
+		if (!strcmp(filename, plugin->path))
+			return plugin;
+		else if (!gaim_plugin_is_unloadable(plugin))
+		{
+			gaim_debug_info("plugins", "Not loading %s. "
+							"Another plugin with the same name (%s) has already been loaded.\n",
+							filename, plugin->path);
+			return plugin;
+		}
+		else
+		{
+			/* The old plugin was a different file and it was unloadable.
+			 * There's no guarantee that this new file with the same name
+			 * will be loadable, but unless it fails in one of the silent
+			 * ways and the first one didn't, it's not any worse.  The user
+			 * will still see a greyed-out plugin, which is what we want. */
+			gaim_plugin_destroy(plugin);
+		}
+	}
+
+	plugin = gaim_plugin_new(has_file_extension(filename, G_MODULE_SUFFIX), filename);
+
+	if (plugin->native_plugin) {
+		const char *error;
+#ifdef _WIN32
+		/* Suppress error popups for failing to load plugins */
+		UINT old_error_mode = SetErrorMode(SEM_FAILCRITICALERRORS);
+#endif
+
+		/*
+		 * We pass G_MODULE_BIND_LOCAL here to prevent symbols from
+		 * plugins being added to the global name space.
+		 *
+		 * G_MODULE_BIND_LOCAL was added in glib 2.3.3.
+		 * TODO: I guess there's nothing we can do about that?
+		 */
+#if GLIB_CHECK_VERSION(2,3,3)
+		plugin->handle = g_module_open(filename, G_MODULE_BIND_LOCAL);
+#else
+		plugin->handle = g_module_open(filename, 0);
+#endif
+
+		if (plugin->handle == NULL)
+		{
+			const char *error = g_module_error();
+			if (error != NULL && gaim_str_has_prefix(error, filename))
+			{
+				error = error + strlen(filename);
+
+				/* These are just so we don't crash.  If we
+				 * got this far, they should always be true. */
+				if (*error == ':')
+					error++;
+				if (*error == ' ')
+					error++;
+			}
+
+			if (error == NULL || !*error)
+			{
+				plugin->error = g_strdup(_("Unknown error"));
+				gaim_debug_error("plugins", "%s is not loadable: Unknown error\n",
+						 plugin->path);
+			}
+			else
+			{
+				plugin->error = g_strdup(error);
+				gaim_debug_error("plugins", "%s is not loadable: %s\n",
+						 plugin->path, plugin->error);
+			}
+#if GLIB_CHECK_VERSION(2,3,3)
+			plugin->handle = g_module_open(filename, G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
+#else
+			plugin->handle = g_module_open(filename, G_MODULE_BIND_LAZY);
+#endif
+
+			if (plugin->handle == NULL)
+			{
+#ifdef _WIN32
+				/* Restore the original error mode */
+				SetErrorMode(old_error_mode);
+#endif
+				gaim_plugin_destroy(plugin);
+				return NULL;
+			}
+			else
+			{
+				/* We were able to load the plugin with lazy symbol binding.
+				 * This means we're missing some symbol.  Mark it as
+				 * unloadable and keep going so we get the info to display
+				 * to the user so they know to rebuild this plugin. */
+				plugin->unloadable = TRUE;
+			}
+		}
+
+		if (!g_module_symbol(plugin->handle, "gaim_init_plugin",
+							 &unpunned))
+		{
+			gaim_debug_error("plugins", "%s is not usable because the "
+							 "'gaim_init_plugin' symbol could not be "
+							 "found.  Does the plugin call the "
+							 "GAIM_INIT_PLUGIN() macro?\n", plugin->path);
+
+			g_module_close(plugin->handle);
+			error = g_module_error();
+			if (error != NULL)
+				gaim_debug_error("plugins", "Error closing module %s: %s\n",
+								 plugin->path, error);
+			plugin->handle = NULL;
+
+#ifdef _WIN32
+			/* Restore the original error mode */
+			SetErrorMode(old_error_mode);
+#endif
+			gaim_plugin_destroy(plugin);
+			return NULL;
+		}
+		gaim_init_plugin = unpunned;
+
+#ifdef _WIN32
+		/* Restore the original error mode */
+		SetErrorMode(old_error_mode);
+#endif
+	}
+	else {
+		loader = find_loader_for_plugin(plugin);
+
+		if (loader == NULL) {
+			gaim_plugin_destroy(plugin);
+			return NULL;
+		}
+
+		gaim_init_plugin = GAIM_PLUGIN_LOADER_INFO(loader)->probe;
+	}
+
+	if (!gaim_init_plugin(plugin) || plugin->info == NULL)
+	{
+		gaim_plugin_destroy(plugin);
+		return NULL;
+	}
+	else if (plugin->info->ui_requirement &&
+			strcmp(plugin->info->ui_requirement, gaim_core_get_ui()))
+	{
+		plugin->error = g_strdup_printf(_("You are using %s, but this plugin requires %s."),
+					gaim_core_get_ui(), plugin->info->ui_requirement);
+		gaim_debug_error("plugins", "%s is not loadable: The UI requirement is not met.\n", plugin->path);
+		plugin->unloadable = TRUE;
+		return plugin;
+	}
+
+	/* Really old plugins. */
+	if (plugin->info->magic != GAIM_PLUGIN_MAGIC)
+	{
+		if (plugin->info->magic >= 2 && plugin->info->magic <= 4)
+		{
+			struct _GaimPluginInfo2
+			{
+				unsigned int api_version;
+				GaimPluginType type;
+				char *ui_requirement;
+				unsigned long flags;
+				GList *dependencies;
+				GaimPluginPriority priority;
+
+				char *id;
+				char *name;
+				char *version;
+				char *summary;
+				char *description;
+				char *author;
+				char *homepage;
+
+				gboolean (*load)(GaimPlugin *plugin);
+				gboolean (*unload)(GaimPlugin *plugin);
+				void (*destroy)(GaimPlugin *plugin);
+
+				void *ui_info;
+				void *extra_info;
+				GaimPluginUiInfo *prefs_info;
+				GList *(*actions)(GaimPlugin *plugin, gpointer context);
+			} *info2 = (struct _GaimPluginInfo2 *)plugin->info;
+
+			/* This leaks... but only for ancient plugins, so deal with it. */
+			plugin->info = g_new0(GaimPluginInfo, 1);
+
+			/* We don't really need all these to display the plugin info, but
+			 * I'm copying them all for good measure. */
+			plugin->info->magic          = info2->api_version;
+			plugin->info->type           = info2->type;
+			plugin->info->ui_requirement = info2->ui_requirement;
+			plugin->info->flags          = info2->flags;
+			plugin->info->dependencies   = info2->dependencies;
+			plugin->info->id             = info2->id;
+			plugin->info->name           = info2->name;
+			plugin->info->version        = info2->version;
+			plugin->info->summary        = info2->summary;
+			plugin->info->description    = info2->description;
+			plugin->info->author         = info2->author;
+			plugin->info->homepage       = info2->homepage;
+			plugin->info->load           = info2->load;
+			plugin->info->unload         = info2->unload;
+			plugin->info->destroy        = info2->destroy;
+			plugin->info->ui_info        = info2->ui_info;
+			plugin->info->extra_info     = info2->extra_info;
+
+			if (info2->api_version >= 3)
+				plugin->info->prefs_info = info2->prefs_info;
+
+			if (info2->api_version >= 4)
+				plugin->info->actions    = info2->actions;
+
+
+			plugin->error = g_strdup_printf(_("Plugin magic mismatch %d (need %d)"),
+							 plugin->info->magic, GAIM_PLUGIN_MAGIC);
+			gaim_debug_error("plugins", "%s is not loadable: Plugin magic mismatch %d (need %d)\n",
+					  plugin->path, plugin->info->magic, GAIM_PLUGIN_MAGIC);
+			plugin->unloadable = TRUE;
+			return plugin;
+		}
+
+		gaim_debug_error("plugins", "%s is not loadable: Plugin magic mismatch %d (need %d)\n",
+				 plugin->path, plugin->info->magic, GAIM_PLUGIN_MAGIC);
+		gaim_plugin_destroy(plugin);
+		return NULL;
+	}
+
+	if (plugin->info->major_version != GAIM_MAJOR_VERSION ||
+			plugin->info->minor_version > GAIM_MINOR_VERSION)
+	{
+		plugin->error = g_strdup_printf(_("ABI version mismatch %d.%d.x (need %d.%d.x)"),
+						 plugin->info->major_version, plugin->info->minor_version,
+						 GAIM_MAJOR_VERSION, GAIM_MINOR_VERSION);
+		gaim_debug_error("plugins", "%s is not loadable: ABI version mismatch %d.%d.x (need %d.%d.x)\n",
+				 plugin->path, plugin->info->major_version, plugin->info->minor_version,
+				 GAIM_MAJOR_VERSION, GAIM_MINOR_VERSION);
+		plugin->unloadable = TRUE;
+		return plugin;
+	}
+
+	if (plugin->info->type == GAIM_PLUGIN_PROTOCOL)
+	{
+		/* If plugin is a PRPL, make sure it implements the required functions */
+		if ((GAIM_PLUGIN_PROTOCOL_INFO(plugin)->list_icon == NULL) ||
+		    (GAIM_PLUGIN_PROTOCOL_INFO(plugin)->login == NULL) ||
+		    (GAIM_PLUGIN_PROTOCOL_INFO(plugin)->close == NULL))
+		{
+			plugin->error = g_strdup(_("Plugin does not implement all required functions"));
+			gaim_debug_error("plugins", "%s is not loadable: Plugin does not implement all required functions\n",
+					 plugin->path);
+			plugin->unloadable = TRUE;
+			return plugin;
+		}
+
+		/* For debugging, let's warn about prpl prefs. */
+		if (plugin->info->prefs_info != NULL)
+		{
+			gaim_debug_error("plugins", "%s has a prefs_info, but is a prpl. This is no longer supported.\n",
+			                 plugin->path);
+		}
+	}
+
+	return plugin;
+#else
+	return NULL;
+#endif /* !GAIM_PLUGINS */
+}
+
+#ifdef GAIM_PLUGINS
+static gint
+compare_plugins(gconstpointer a, gconstpointer b)
+{
+	const GaimPlugin *plugina = a;
+	const GaimPlugin *pluginb = b;
+
+	return strcmp(plugina->info->name, pluginb->info->name);
+}
+#endif /* GAIM_PLUGINS */
+
+gboolean
+gaim_plugin_load(GaimPlugin *plugin)
+{
+#ifdef GAIM_PLUGINS
+	GList *dep_list = NULL;
+	GList *l;
+
+	g_return_val_if_fail(plugin != NULL, FALSE);
+
+	if (gaim_plugin_is_loaded(plugin))
+		return TRUE;
+
+	if (gaim_plugin_is_unloadable(plugin))
+		return FALSE;
+
+	g_return_val_if_fail(plugin->error == NULL, FALSE);
+
+	/*
+	 * Go through the list of the plugin's dependencies.
+	 *
+	 * First pass: Make sure all the plugins needed are probed.
+	 */
+	for (l = plugin->info->dependencies; l != NULL; l = l->next)
+	{
+		const char *dep_name = (const char *)l->data;
+		GaimPlugin *dep_plugin;
+
+		dep_plugin = gaim_plugins_find_with_id(dep_name);
+
+		if (dep_plugin == NULL)
+		{
+			char *tmp;
+
+			tmp = g_strdup_printf(_("The required plugin %s was not found. "
+			                        "Please install this plugin and try again."),
+			                      dep_name);
+
+			gaim_notify_error(NULL, NULL,
+			                  _("Gaim encountered errors loading the plugin."), tmp);
+			g_free(tmp);
+
+			g_list_free(dep_list);
+
+			return FALSE;
+		}
+
+		dep_list = g_list_append(dep_list, dep_plugin);
+	}
+
+	/* Second pass: load all the required plugins. */
+	for (l = dep_list; l != NULL; l = l->next)
+	{
+		GaimPlugin *dep_plugin = (GaimPlugin *)l->data;
+
+		if (!gaim_plugin_is_loaded(dep_plugin))
+		{
+			if (!gaim_plugin_load(dep_plugin))
+			{
+				char *tmp;
+
+				tmp = g_strdup_printf(_("The required plugin %s was unable to load."),
+				                      plugin->info->name);
+
+				gaim_notify_error(NULL, NULL,
+				                 _("Gaim was unable to load your plugin."), tmp);
+				g_free(tmp);
+
+				g_list_free(dep_list);
+
+				return FALSE;
+			}
+		}
+	}
+
+	/* Third pass: note that other plugins are dependencies of this plugin.
+	 * This is done separately in case we had to bail out earlier. */
+	for (l = dep_list; l != NULL; l = l->next)
+	{
+		GaimPlugin *dep_plugin = (GaimPlugin *)l->data;
+		dep_plugin->dependent_plugins = g_list_prepend(dep_plugin->dependent_plugins, plugin->info->id);
+	}
+
+	g_list_free(dep_list);
+
+	if (plugin->native_plugin)
+	{
+		if (plugin->info != NULL && plugin->info->load != NULL)
+		{
+			if (!plugin->info->load(plugin))
+				return FALSE;
+		}
+	}
+	else {
+		GaimPlugin *loader;
+		GaimPluginLoaderInfo *loader_info;
+
+		loader = find_loader_for_plugin(plugin);
+
+		if (loader == NULL)
+			return FALSE;
+
+		loader_info = GAIM_PLUGIN_LOADER_INFO(loader);
+
+		if (loader_info->load != NULL)
+		{
+			if (!loader_info->load(plugin))
+				return FALSE;
+		}
+	}
+
+	loaded_plugins = g_list_insert_sorted(loaded_plugins, plugin, compare_plugins);
+
+	plugin->loaded = TRUE;
+
+	/* TODO */
+	if (load_cb != NULL)
+		load_cb(plugin, load_cb_data);
+
+	gaim_signal_emit(gaim_plugins_get_handle(), "plugin-load", plugin);
+
+	return TRUE;
+
+#else
+	return TRUE;
+#endif /* !GAIM_PLUGINS */
+}
+
+gboolean
+gaim_plugin_unload(GaimPlugin *plugin)
+{
+#ifdef GAIM_PLUGINS
+	GList *l;
+
+	g_return_val_if_fail(plugin != NULL, FALSE);
+
+	loaded_plugins = g_list_remove(loaded_plugins, plugin);
+	if ((plugin->info != NULL) && GAIM_IS_PROTOCOL_PLUGIN(plugin))
+		protocol_plugins = g_list_remove(protocol_plugins, plugin);
+
+	g_return_val_if_fail(gaim_plugin_is_loaded(plugin), FALSE);
+
+	gaim_debug_info("plugins", "Unloading plugin %s\n", plugin->info->name);
+
+	/* cancel any pending dialogs the plugin has */
+	gaim_request_close_with_handle(plugin);
+	gaim_notify_close_with_handle(plugin);
+
+	plugin->loaded = FALSE;
+
+	/* Unload all plugins that depend on this plugin. */
+	while ((l = plugin->dependent_plugins) != NULL)
+	{
+		const char * dep_name = (const char *)l->data;
+		GaimPlugin *dep_plugin;
+
+		dep_plugin = gaim_plugins_find_with_id(dep_name);
+
+		if (dep_plugin != NULL && gaim_plugin_is_loaded(dep_plugin))
+		{
+			if (!gaim_plugin_unload(dep_plugin))
+			{
+				char *translated_name = g_strdup(_(dep_plugin->info->name));
+				char *tmp;
+
+				tmp = g_strdup_printf(_("The dependent plugin %s failed to unload."),
+				                      translated_name);
+				g_free(translated_name);
+
+				gaim_notify_error(NULL, NULL,
+				                  _("Gaim encountered errors unloading the plugin."), tmp);
+				g_free(tmp);
+			}
+		}
+	}
+
+	/* Remove this plugin from each dependency's dependent_plugins list. */
+	for (l = plugin->info->dependencies; l != NULL; l = l->next)
+	{
+		const char *dep_name = (const char *)l->data;
+		GaimPlugin *dependency;
+
+		dependency = gaim_plugins_find_with_id(dep_name);
+
+		dependency->dependent_plugins = g_list_remove(dependency->dependent_plugins, plugin->info->id);
+	}
+
+	if (plugin->native_plugin) {
+		if (plugin->info->unload != NULL)
+			plugin->info->unload(plugin);
+
+		if (plugin->info->type == GAIM_PLUGIN_PROTOCOL) {
+			GaimPluginProtocolInfo *prpl_info;
+			GList *l;
+
+			prpl_info = GAIM_PLUGIN_PROTOCOL_INFO(plugin);
+
+			for (l = prpl_info->user_splits; l != NULL; l = l->next)
+				gaim_account_user_split_destroy(l->data);
+
+			for (l = prpl_info->protocol_options; l != NULL; l = l->next)
+				gaim_account_option_destroy(l->data);
+
+			if (prpl_info->user_splits != NULL) {
+				g_list_free(prpl_info->user_splits);
+				prpl_info->user_splits = NULL;
+			}
+
+			if (prpl_info->protocol_options != NULL) {
+				g_list_free(prpl_info->protocol_options);
+				prpl_info->protocol_options = NULL;
+			}
+		}
+	}
+	else {
+		GaimPlugin *loader;
+		GaimPluginLoaderInfo *loader_info;
+
+		loader = find_loader_for_plugin(plugin);
+
+		if (loader == NULL)
+			return FALSE;
+
+		loader_info = GAIM_PLUGIN_LOADER_INFO(loader);
+
+		if (loader_info->unload != NULL)
+			loader_info->unload(plugin);
+	}
+
+	gaim_signals_disconnect_by_handle(plugin);
+	gaim_plugin_ipc_unregister_all(plugin);
+
+	/* TODO */
+	if (unload_cb != NULL)
+		unload_cb(plugin, unload_cb_data);
+
+	gaim_signal_emit(gaim_plugins_get_handle(), "plugin-unload", plugin);
+
+	gaim_prefs_disconnect_by_handle(plugin);
+
+	return TRUE;
+#else
+	return TRUE;
+#endif /* GAIM_PLUGINS */
+}
+
+gboolean
+gaim_plugin_reload(GaimPlugin *plugin)
+{
+#ifdef GAIM_PLUGINS
+	g_return_val_if_fail(plugin != NULL, FALSE);
+	g_return_val_if_fail(gaim_plugin_is_loaded(plugin), FALSE);
+
+	if (!gaim_plugin_unload(plugin))
+		return FALSE;
+
+	if (!gaim_plugin_load(plugin))
+		return FALSE;
+
+	return TRUE;
+#else
+	return TRUE;
+#endif /* !GAIM_PLUGINS */
+}
+
+void
+gaim_plugin_destroy(GaimPlugin *plugin)
+{
+#ifdef GAIM_PLUGINS
+	g_return_if_fail(plugin != NULL);
+
+	if (gaim_plugin_is_loaded(plugin))
+		gaim_plugin_unload(plugin);
+
+	plugins = g_list_remove(plugins, plugin);
+
+	if (load_queue != NULL)
+		load_queue = g_list_remove(load_queue, plugin);
+
+	/* true, this may leak a little memory if there is a major version
+	 * mismatch, but it's a lot better than trying to free something
+	 * we shouldn't, and crashing while trying to load an old plugin */
+	if(plugin->info == NULL || plugin->info->magic != GAIM_PLUGIN_MAGIC ||
+			plugin->info->major_version != GAIM_MAJOR_VERSION)
+	{
+		if(plugin->handle)
+			g_module_close(plugin->handle);
+
+		g_free(plugin->path);
+		g_free(plugin->error);
+
+		GAIM_DBUS_UNREGISTER_POINTER(plugin);
+
+		g_free(plugin);
+		return;
+	}
+
+	if (plugin->info != NULL)
+		g_list_free(plugin->info->dependencies);
+
+	if (plugin->native_plugin)
+	{
+		if (plugin->info != NULL && plugin->info->type == GAIM_PLUGIN_LOADER)
+		{
+			GaimPluginLoaderInfo *loader_info;
+			GList *exts, *l, *next_l;
+			GaimPlugin *p2;
+
+			loader_info = GAIM_PLUGIN_LOADER_INFO(plugin);
+
+			if (loader_info != NULL && loader_info->exts != NULL)
+			{
+				for (exts = GAIM_PLUGIN_LOADER_INFO(plugin)->exts;
+					 exts != NULL;
+					 exts = exts->next) {
+
+					for (l = gaim_plugins_get_all(); l != NULL; l = next_l)
+					{
+						next_l = l->next;
+
+						p2 = l->data;
+
+						if (p2->path != NULL &&
+							has_file_extension(p2->path, exts->data))
+						{
+							gaim_plugin_destroy(p2);
+						}
+					}
+				}
+
+				g_list_free(loader_info->exts);
+			}
+
+			plugin_loaders = g_list_remove(plugin_loaders, plugin);
+		}
+
+		if (plugin->info != NULL && plugin->info->destroy != NULL)
+			plugin->info->destroy(plugin);
+
+		if (plugin->handle != NULL)
+			g_module_close(plugin->handle);
+	}
+	else
+	{
+		GaimPlugin *loader;
+		GaimPluginLoaderInfo *loader_info;
+
+		loader = find_loader_for_plugin(plugin);
+
+		if (loader != NULL)
+		{
+			loader_info = GAIM_PLUGIN_LOADER_INFO(loader);
+
+			if (loader_info->destroy != NULL)
+				loader_info->destroy(plugin);
+		}
+	}
+
+	g_free(plugin->path);
+	g_free(plugin->error);
+
+	GAIM_DBUS_UNREGISTER_POINTER(plugin);
+
+	g_free(plugin);
+#endif /* !GAIM_PLUGINS */
+}
+
+gboolean
+gaim_plugin_is_loaded(const GaimPlugin *plugin)
+{
+	g_return_val_if_fail(plugin != NULL, FALSE);
+
+	return plugin->loaded;
+}
+
+gboolean
+gaim_plugin_is_unloadable(const GaimPlugin *plugin)
+{
+	g_return_val_if_fail(plugin != NULL, FALSE);
+
+	return plugin->unloadable;
+}
+
+const gchar *
+gaim_plugin_get_id(const GaimPlugin *plugin) {
+	g_return_val_if_fail(plugin, NULL);
+	g_return_val_if_fail(plugin->info, NULL);
+
+	return plugin->info->id;
+}
+
+const gchar *
+gaim_plugin_get_name(const GaimPlugin *plugin) {
+	g_return_val_if_fail(plugin, NULL);
+	g_return_val_if_fail(plugin->info, NULL);
+
+	return plugin->info->name;
+}
+
+const gchar *
+gaim_plugin_get_version(const GaimPlugin *plugin) {
+	g_return_val_if_fail(plugin, NULL);
+	g_return_val_if_fail(plugin->info, NULL);
+
+	return plugin->info->version;
+}
+
+const gchar *
+gaim_plugin_get_summary(const GaimPlugin *plugin) {
+	g_return_val_if_fail(plugin, NULL);
+	g_return_val_if_fail(plugin->info, NULL);
+
+	return plugin->info->summary;
+}
+
+const gchar *
+gaim_plugin_get_description(const GaimPlugin *plugin) {
+	g_return_val_if_fail(plugin, NULL);
+	g_return_val_if_fail(plugin->info, NULL);
+
+	return plugin->info->description;
+}
+
+const gchar *
+gaim_plugin_get_author(const GaimPlugin *plugin) {
+	g_return_val_if_fail(plugin, NULL);
+	g_return_val_if_fail(plugin->info, NULL);
+
+	return plugin->info->author;
+}
+
+const gchar *
+gaim_plugin_get_homepage(const GaimPlugin *plugin) {
+	g_return_val_if_fail(plugin, NULL);
+	g_return_val_if_fail(plugin->info, NULL);
+
+	return plugin->info->homepage;
+}
+
+/**************************************************************************
+ * Plugin IPC
+ **************************************************************************/
+static void
+destroy_ipc_info(void *data)
+{
+	GaimPluginIpcCommand *ipc_command = (GaimPluginIpcCommand *)data;
+	int i;
+
+	if (ipc_command->params != NULL)
+	{
+		for (i = 0; i < ipc_command->num_params; i++)
+			gaim_value_destroy(ipc_command->params[i]);
+
+		g_free(ipc_command->params);
+	}
+
+	if (ipc_command->ret_value != NULL)
+		gaim_value_destroy(ipc_command->ret_value);
+
+	g_free(ipc_command);
+}
+
+gboolean
+gaim_plugin_ipc_register(GaimPlugin *plugin, const char *command,
+						 GaimCallback func, GaimSignalMarshalFunc marshal,
+						 GaimValue *ret_value, int num_params, ...)
+{
+	GaimPluginIpcInfo *ipc_info;
+	GaimPluginIpcCommand *ipc_command;
+
+	g_return_val_if_fail(plugin  != NULL, FALSE);
+	g_return_val_if_fail(command != NULL, FALSE);
+	g_return_val_if_fail(func    != NULL, FALSE);
+	g_return_val_if_fail(marshal != NULL, FALSE);
+
+	if (plugin->ipc_data == NULL)
+	{
+		ipc_info = plugin->ipc_data = g_new0(GaimPluginIpcInfo, 1);
+		ipc_info->commands = g_hash_table_new_full(g_str_hash, g_str_equal,
+												   g_free, destroy_ipc_info);
+	}
+	else
+		ipc_info = (GaimPluginIpcInfo *)plugin->ipc_data;
+
+	ipc_command = g_new0(GaimPluginIpcCommand, 1);
+	ipc_command->func       = func;
+	ipc_command->marshal    = marshal;
+	ipc_command->num_params = num_params;
+	ipc_command->ret_value  = ret_value;
+
+	if (num_params > 0)
+	{
+		va_list args;
+		int i;
+
+		ipc_command->params = g_new0(GaimValue *, num_params);
+
+		va_start(args, num_params);
+
+		for (i = 0; i < num_params; i++)
+			ipc_command->params[i] = va_arg(args, GaimValue *);
+
+		va_end(args);
+	}
+
+	g_hash_table_replace(ipc_info->commands, g_strdup(command), ipc_command);
+
+	ipc_info->command_count++;
+
+	return TRUE;
+}
+
+void
+gaim_plugin_ipc_unregister(GaimPlugin *plugin, const char *command)
+{
+	GaimPluginIpcInfo *ipc_info;
+
+	g_return_if_fail(plugin  != NULL);
+	g_return_if_fail(command != NULL);
+
+	ipc_info = (GaimPluginIpcInfo *)plugin->ipc_data;
+
+	if (ipc_info == NULL ||
+		g_hash_table_lookup(ipc_info->commands, command) == NULL)
+	{
+		gaim_debug_error("plugins",
+						 "IPC command '%s' was not registered for plugin %s\n",
+						 command, plugin->info->name);
+		return;
+	}
+
+	g_hash_table_remove(ipc_info->commands, command);
+
+	ipc_info->command_count--;
+
+	if (ipc_info->command_count == 0)
+	{
+		g_hash_table_destroy(ipc_info->commands);
+		g_free(ipc_info);
+
+		plugin->ipc_data = NULL;
+	}
+}
+
+void
+gaim_plugin_ipc_unregister_all(GaimPlugin *plugin)
+{
+	GaimPluginIpcInfo *ipc_info;
+
+	g_return_if_fail(plugin != NULL);
+
+	if (plugin->ipc_data == NULL)
+		return; /* Silently ignore it. */
+
+	ipc_info = (GaimPluginIpcInfo *)plugin->ipc_data;
+
+	g_hash_table_destroy(ipc_info->commands);
+	g_free(ipc_info);
+
+	plugin->ipc_data = NULL;
+}
+
+gboolean
+gaim_plugin_ipc_get_params(GaimPlugin *plugin, const char *command,
+						   GaimValue **ret_value, int *num_params,
+						   GaimValue ***params)
+{
+	GaimPluginIpcInfo *ipc_info;
+	GaimPluginIpcCommand *ipc_command;
+
+	g_return_val_if_fail(plugin  != NULL, FALSE);
+	g_return_val_if_fail(command != NULL, FALSE);
+
+	ipc_info = (GaimPluginIpcInfo *)plugin->ipc_data;
+
+	if (ipc_info == NULL ||
+		(ipc_command = g_hash_table_lookup(ipc_info->commands,
+										   command)) == NULL)
+	{
+		gaim_debug_error("plugins",
+						 "IPC command '%s' was not registered for plugin %s\n",
+						 command, plugin->info->name);
+
+		return FALSE;
+	}
+
+	if (num_params != NULL)
+		*num_params = ipc_command->num_params;
+
+	if (params != NULL)
+		*params = ipc_command->params;
+
+	if (ret_value != NULL)
+		*ret_value = ipc_command->ret_value;
+
+	return TRUE;
+}
+
+void *
+gaim_plugin_ipc_call(GaimPlugin *plugin, const char *command,
+					 gboolean *ok, ...)
+{
+	GaimPluginIpcInfo *ipc_info;
+	GaimPluginIpcCommand *ipc_command;
+	va_list args;
+	void *ret_value;
+
+	if (ok != NULL)
+		*ok = FALSE;
+
+	g_return_val_if_fail(plugin  != NULL, NULL);
+	g_return_val_if_fail(command != NULL, NULL);
+
+	ipc_info = (GaimPluginIpcInfo *)plugin->ipc_data;
+
+	if (ipc_info == NULL ||
+		(ipc_command = g_hash_table_lookup(ipc_info->commands,
+										   command)) == NULL)
+	{
+		gaim_debug_error("plugins",
+						 "IPC command '%s' was not registered for plugin %s\n",
+						 command, plugin->info->name);
+
+		return NULL;
+	}
+
+	va_start(args, ok);
+	ipc_command->marshal(ipc_command->func, args, NULL, &ret_value);
+	va_end(args);
+
+	if (ok != NULL)
+		*ok = TRUE;
+
+	return ret_value;
+}
+
+/**************************************************************************
+ * Plugins subsystem
+ **************************************************************************/
+void *
+gaim_plugins_get_handle(void) {
+	static int handle;
+
+	return &handle;
+}
+
+void
+gaim_plugins_init(void) {
+	void *handle = gaim_plugins_get_handle();
+
+	gaim_signal_register(handle, "plugin-load",
+						 gaim_marshal_VOID__POINTER,
+						 NULL, 1,
+						 gaim_value_new(GAIM_TYPE_SUBTYPE,
+										GAIM_SUBTYPE_PLUGIN));
+	gaim_signal_register(handle, "plugin-unload",
+						 gaim_marshal_VOID__POINTER,
+						 NULL, 1,
+						 gaim_value_new(GAIM_TYPE_SUBTYPE,
+										GAIM_SUBTYPE_PLUGIN));
+}
+
+void
+gaim_plugins_uninit(void) {
+	gaim_signals_disconnect_by_handle(gaim_plugins_get_handle());
+}
+
+/**************************************************************************
+ * Plugins API
+ **************************************************************************/
+void
+gaim_plugins_add_search_path(const char *path)
+{
+	g_return_if_fail(path != NULL);
+
+	if (g_list_find_custom(search_paths, path, (GCompareFunc)strcmp))
+		return;
+
+	search_paths = g_list_append(search_paths, strdup(path));
+}
+
+void
+gaim_plugins_unload_all(void)
+{
+#ifdef GAIM_PLUGINS
+
+	while (loaded_plugins != NULL)
+		gaim_plugin_unload(loaded_plugins->data);
+
+#endif /* GAIM_PLUGINS */
+}
+
+void
+gaim_plugins_destroy_all(void)
+{
+#ifdef GAIM_PLUGINS
+
+	while (plugins != NULL)
+		gaim_plugin_destroy(plugins->data);
+
+#endif /* GAIM_PLUGINS */
+}
+
+void
+gaim_plugins_save_loaded(const char *key)
+{
+#ifdef GAIM_PLUGINS
+	GList *pl;
+	GList *files = NULL;
+	GaimPlugin *p;
+
+	for (pl = gaim_plugins_get_loaded(); pl != NULL; pl = pl->next) {
+		p = pl->data;
+
+		if (p->info->type != GAIM_PLUGIN_PROTOCOL &&
+			p->info->type != GAIM_PLUGIN_LOADER) {
+				files = g_list_append(files, p->path);
+		}
+	}
+
+	gaim_prefs_set_path_list(key, files);
+	g_list_free(files);
+#endif
+}
+
+void
+gaim_plugins_load_saved(const char *key)
+{
+#ifdef GAIM_PLUGINS
+	GList *f, *files;
+
+	g_return_if_fail(key != NULL);
+
+	files = gaim_prefs_get_path_list(key);
+
+	for (f = files; f; f = f->next)
+	{
+		char *filename;
+		char *basename;
+		GaimPlugin *plugin;
+
+		if (f->data == NULL)
+			continue;
+
+		filename = f->data;
+
+		/*
+		 * We don't know if the filename uses Windows or Unix path
+		 * separators (because people might be sharing a prefs.xml
+		 * file across systems), so we find the last occurrence
+		 * of either.
+		 */
+		basename = strrchr(filename, '/');
+		if ((basename == NULL) || (basename < strrchr(filename, '\\')))
+			basename = strrchr(filename, '\\');
+		if (basename != NULL)
+			basename++;
+
+		/* Strip the extension */
+		if (basename)
+			basename = gaim_plugin_get_basename(filename);
+
+		if ((plugin = gaim_plugins_find_with_filename(filename)) != NULL)
+		{
+			gaim_debug_info("plugins", "Loading saved plugin %s\n",
+							plugin->path);
+			gaim_plugin_load(plugin);
+		}
+		else if (basename && (plugin = gaim_plugins_find_with_basename(basename)) != NULL)
+		{
+			gaim_debug_info("plugins", "Loading saved plugin %s\n",
+							plugin->path);
+			gaim_plugin_load(plugin);
+		}
+		else
+		{
+			gaim_debug_error("plugins", "Unable to find saved plugin %s\n",
+							 filename);
+		}
+
+		g_free(basename);
+
+		g_free(f->data);
+	}
+
+	g_list_free(files);
+#endif /* GAIM_PLUGINS */
+}
+
+
+void
+gaim_plugins_probe(const char *ext)
+{
+#ifdef GAIM_PLUGINS
+	GDir *dir;
+	const gchar *file;
+	gchar *path;
+	GaimPlugin *plugin;
+	GList *cur;
+	const char *search_path;
+
+	if (!g_module_supported())
+		return;
+
+	/* Probe plugins */
+	for (cur = search_paths; cur != NULL; cur = cur->next)
+	{
+		search_path = cur->data;
+
+		dir = g_dir_open(search_path, 0, NULL);
+
+		if (dir != NULL)
+		{
+			while ((file = g_dir_read_name(dir)) != NULL)
+			{
+				path = g_build_filename(search_path, file, NULL);
+
+				if (ext == NULL || has_file_extension(file, ext))
+					plugin = gaim_plugin_probe(path);
+
+				g_free(path);
+			}
+
+			g_dir_close(dir);
+		}
+	}
+
+	/* See if we have any plugins waiting to load */
+	while (load_queue != NULL)
+	{
+		plugin = (GaimPlugin *)load_queue->data;
+
+		load_queue = g_list_remove(load_queue, plugin);
+
+		if (plugin == NULL || plugin->info == NULL)
+			continue;
+
+		if (plugin->info->type == GAIM_PLUGIN_LOADER)
+		{
+			/* We'll just load this right now. */
+			if (!gaim_plugin_load(plugin))
+			{
+				gaim_plugin_destroy(plugin);
+
+				continue;
+			}
+
+			plugin_loaders = g_list_append(plugin_loaders, plugin);
+
+			for (cur = GAIM_PLUGIN_LOADER_INFO(plugin)->exts;
+				 cur != NULL;
+				 cur = cur->next)
+			{
+				gaim_plugins_probe(cur->data);
+			}
+		}
+		else if (plugin->info->type == GAIM_PLUGIN_PROTOCOL)
+		{
+			/* We'll just load this right now. */
+			if (!gaim_plugin_load(plugin))
+			{
+				gaim_plugin_destroy(plugin);
+
+				continue;
+			}
+
+			/* Make sure we don't load two PRPLs with the same name? */
+			if (gaim_find_prpl(plugin->info->id))
+			{
+				/* Nothing to see here--move along, move along */
+				gaim_plugin_destroy(plugin);
+
+				continue;
+			}
+
+			protocol_plugins = g_list_insert_sorted(protocol_plugins, plugin,
+													(GCompareFunc)compare_prpl);
+		}
+	}
+
+	if (probe_cb != NULL)
+		probe_cb(probe_cb_data);
+#endif /* GAIM_PLUGINS */
+}
+
+gboolean
+gaim_plugin_register(GaimPlugin *plugin)
+{
+	g_return_val_if_fail(plugin != NULL, FALSE);
+
+	/* If this plugin has been registered already then exit */
+	if (g_list_find(plugins, plugin))
+		return TRUE;
+
+	/* Ensure the plugin has the requisite information */
+	if (plugin->info->type == GAIM_PLUGIN_LOADER)
+	{
+		GaimPluginLoaderInfo *loader_info;
+
+		loader_info = GAIM_PLUGIN_LOADER_INFO(plugin);
+
+		if (loader_info == NULL)
+		{
+			gaim_debug_error("plugins", "%s is not loadable, loader plugin missing loader_info\n",
+							   plugin->path);
+			return FALSE;
+		}
+	}
+	else if (plugin->info->type == GAIM_PLUGIN_PROTOCOL)
+	{
+		GaimPluginProtocolInfo *prpl_info;
+
+		prpl_info = GAIM_PLUGIN_PROTOCOL_INFO(plugin);
+
+		if (prpl_info == NULL)
+		{
+			gaim_debug_error("plugins", "%s is not loadable, protocol plugin missing prpl_info\n",
+							   plugin->path);
+			return FALSE;
+		}
+	}
+
+#ifdef GAIM_PLUGINS
+	/* This plugin should be probed and maybe loaded--add it to the queue */
+	load_queue = g_list_append(load_queue, plugin);
+#else
+	if (plugin->info != NULL)
+	{
+		if (plugin->info->type == GAIM_PLUGIN_PROTOCOL)
+			protocol_plugins = g_list_insert_sorted(protocol_plugins, plugin,
+													(GCompareFunc)compare_prpl);
+		if (plugin->info->load != NULL)
+			if (!plugin->info->load(plugin))
+				return FALSE;
+	}
+#endif
+
+	plugins = g_list_append(plugins, plugin);
+
+	return TRUE;
+}
+
+gboolean
+gaim_plugins_enabled(void)
+{
+#ifdef GAIM_PLUGINS
+	return TRUE;
+#else
+	return FALSE;
+#endif
+}
+
+void
+gaim_plugins_register_probe_notify_cb(void (*func)(void *), void *data)
+{
+	/* TODO */
+	probe_cb = func;
+	probe_cb_data = data;
+}
+
+void
+gaim_plugins_unregister_probe_notify_cb(void (*func)(void *))
+{
+	/* TODO */
+	probe_cb = NULL;
+	probe_cb_data = NULL;
+}
+
+void
+gaim_plugins_register_load_notify_cb(void (*func)(GaimPlugin *, void *),
+									 void *data)
+{
+	/* TODO */
+	load_cb = func;
+	load_cb_data = data;
+}
+
+void
+gaim_plugins_unregister_load_notify_cb(void (*func)(GaimPlugin *, void *))
+{
+	/* TODO */
+	load_cb = NULL;
+	load_cb_data = NULL;
+}
+
+void
+gaim_plugins_register_unload_notify_cb(void (*func)(GaimPlugin *, void *),
+									   void *data)
+{
+	/* TODO */
+	unload_cb = func;
+	unload_cb_data = data;
+}
+
+void
+gaim_plugins_unregister_unload_notify_cb(void (*func)(GaimPlugin *, void *))
+{
+	/* TODO */
+	unload_cb = NULL;
+	unload_cb_data = NULL;
+}
+
+GaimPlugin *
+gaim_plugins_find_with_name(const char *name)
+{
+	GaimPlugin *plugin;
+	GList *l;
+
+	for (l = plugins; l != NULL; l = l->next) {
+		plugin = l->data;
+
+		if (!strcmp(plugin->info->name, name))
+			return plugin;
+	}
+
+	return NULL;
+}
+
+GaimPlugin *
+gaim_plugins_find_with_filename(const char *filename)
+{
+	GaimPlugin *plugin;
+	GList *l;
+
+	for (l = plugins; l != NULL; l = l->next) {
+		plugin = l->data;
+
+		if (plugin->path != NULL && !strcmp(plugin->path, filename))
+			return plugin;
+	}
+
+	return NULL;
+}
+
+GaimPlugin *
+gaim_plugins_find_with_basename(const char *basename)
+{
+#ifdef GAIM_PLUGINS
+	GaimPlugin *plugin;
+	GList *l;
+	char *tmp;
+
+	g_return_val_if_fail(basename != NULL, NULL);
+
+	for (l = plugins; l != NULL; l = l->next)
+	{
+		plugin = (GaimPlugin *)l->data;
+
+		if (plugin->path != NULL) {
+			tmp = gaim_plugin_get_basename(plugin->path);
+			if (!strcmp(tmp, basename))
+			{
+				g_free(tmp);
+				return plugin;
+			}
+			g_free(tmp);
+		}
+	}
+
+#endif /* GAIM_PLUGINS */
+
+	return NULL;
+}
+
+GaimPlugin *
+gaim_plugins_find_with_id(const char *id)
+{
+	GaimPlugin *plugin;
+	GList *l;
+
+	g_return_val_if_fail(id != NULL, NULL);
+
+	for (l = plugins; l != NULL; l = l->next)
+	{
+		plugin = l->data;
+
+		if (plugin->info->id != NULL && !strcmp(plugin->info->id, id))
+			return plugin;
+	}
+
+	return NULL;
+}
+
+GList *
+gaim_plugins_get_loaded(void)
+{
+	return loaded_plugins;
+}
+
+GList *
+gaim_plugins_get_protocols(void)
+{
+	return protocol_plugins;
+}
+
+GList *
+gaim_plugins_get_all(void)
+{
+	return plugins;
+}
+
+
+GaimPluginAction *
+gaim_plugin_action_new(const char* label, void (*callback)(GaimPluginAction *))
+{
+	GaimPluginAction *act = g_new0(GaimPluginAction, 1);
+
+	act->label = g_strdup(label);
+	act->callback = callback;
+
+	return act;
+}
+
+void
+gaim_plugin_action_free(GaimPluginAction *action)
+{
+	g_return_if_fail(action != NULL);
+
+	g_free(action->label);
+	g_free(action);
+}