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plugin.c
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plugin.c
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/*
* purple
*
* Purple 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#define _PURPLE_PLUGIN_C_
#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 "valgrind.h"
#include "version.h"
typedef struct
{
GHashTable *commands;
size_t command_count;
} PurplePluginIpcInfo;
typedef struct
{
PurpleCallback func;
PurpleSignalMarshalFunc marshal;
int num_params;
PurpleValue **params;
PurpleValue *ret_value;
} PurplePluginIpcCommand;
static GList *search_paths = NULL;
static GList *plugins = NULL;
static GList *loaded_plugins = NULL;
static GList *protocol_plugins = NULL;
#ifdef PURPLE_PLUGINS
static GList *load_queue = NULL;
static GList *plugin_loaders = NULL;
static GList *plugins_to_disable = NULL;
#endif
static void (*probe_cb)(void *) = NULL;
static void *probe_cb_data = NULL;
static void (*load_cb)(PurplePlugin *, void *) = NULL;
static void *load_cb_data = NULL;
static void (*unload_cb)(PurplePlugin *, void *) = NULL;
static void *unload_cb_data = NULL;
#ifdef PURPLE_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 *
purple_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(PurplePlugin *loader, const char *filename)
{
GList *exts;
for (exts = PURPLE_PLUGIN_LOADER_INFO(loader)->exts; exts != NULL; exts = exts->next) {
if (has_file_extension(filename, (char *)exts->data)) {
return TRUE;
}
}
return FALSE;
}
static PurplePlugin *
find_loader_for_plugin(const PurplePlugin *plugin)
{
PurplePlugin *loader;
GList *l;
if (plugin->path == NULL)
return NULL;
for (l = purple_plugins_get_loaded(); l != NULL; l = l->next) {
loader = l->data;
if (loader->info->type == PURPLE_PLUGIN_LOADER &&
loader_supports_file(loader, plugin->path)) {
return loader;
}
loader = NULL;
}
return NULL;
}
#endif /* PURPLE_PLUGINS */
/**
* Negative if a before b, 0 if equal, positive if a after b.
*/
static gint
compare_prpl(PurplePlugin *a, PurplePlugin *b)
{
if(PURPLE_IS_PROTOCOL_PLUGIN(a)) {
if(PURPLE_IS_PROTOCOL_PLUGIN(b))
return strcmp(a->info->name, b->info->name);
else
return -1;
} else {
if(PURPLE_IS_PROTOCOL_PLUGIN(b))
return 1;
else
return 0;
}
}
PurplePlugin *
purple_plugin_new(gboolean native, const char *path)
{
PurplePlugin *plugin;
plugin = g_new0(PurplePlugin, 1);
plugin->native_plugin = native;
plugin->path = g_strdup(path);
PURPLE_DBUS_REGISTER_POINTER(plugin, PurplePlugin);
return plugin;
}
PurplePlugin *
purple_plugin_probe(const char *filename)
{
#ifdef PURPLE_PLUGINS
PurplePlugin *plugin = NULL;
PurplePlugin *loader;
gpointer unpunned;
gchar *basename = NULL;
gboolean (*purple_init_plugin)(PurplePlugin *);
purple_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 = purple_plugin_get_basename(filename);
plugin = purple_plugins_find_with_basename(basename);
g_free(basename);
if (plugin != NULL)
{
if (purple_strequal(filename, plugin->path))
return plugin;
else if (!purple_plugin_is_unloadable(plugin))
{
purple_debug_warning("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. */
purple_plugin_destroy(plugin);
}
}
plugin = purple_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.
*/
plugin->handle = g_module_open(filename, G_MODULE_BIND_LOCAL);
if (plugin->handle == NULL)
{
const char *error = g_module_error();
if (error != NULL && purple_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"));
purple_debug_error("plugins", "%s is not loadable: Unknown error\n",
plugin->path);
}
else
{
plugin->error = g_strdup(error);
purple_debug_error("plugins", "%s is not loadable: %s\n",
plugin->path, plugin->error);
}
plugin->handle = g_module_open(filename, G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
if (plugin->handle == NULL)
{
#ifdef _WIN32
/* Restore the original error mode */
SetErrorMode(old_error_mode);
#endif
purple_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, "purple_init_plugin",
&unpunned))
{
purple_debug_error("plugins", "%s is not usable because the "
"'purple_init_plugin' symbol could not be "
"found. Does the plugin call the "
"PURPLE_INIT_PLUGIN() macro?\n", plugin->path);
g_module_close(plugin->handle);
error = g_module_error();
if (error != NULL)
purple_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
purple_plugin_destroy(plugin);
return NULL;
}
purple_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) {
purple_plugin_destroy(plugin);
return NULL;
}
purple_init_plugin = PURPLE_PLUGIN_LOADER_INFO(loader)->probe;
}
if (!purple_init_plugin(plugin) || plugin->info == NULL)
{
purple_plugin_destroy(plugin);
return NULL;
}
else if (plugin->info->ui_requirement &&
!purple_strequal(plugin->info->ui_requirement, purple_core_get_ui()))
{
plugin->error = g_strdup_printf(_("You are using %s, but this plugin requires %s."),
purple_core_get_ui(), plugin->info->ui_requirement);
purple_debug_error("plugins", "%s is not loadable: The UI requirement is not met. (%s)\n", plugin->path, plugin->error);
plugin->unloadable = TRUE;
return plugin;
}
/*
* Check to make sure a plugin has defined an id.
* Not having this check caused purple_plugin_unload to
* enter an infinite loop in certain situations by passing
* purple_find_plugin_by_id a NULL value. -- ecoffey
*/
if (plugin->info->id == NULL || *plugin->info->id == '\0')
{
plugin->error = g_strdup(_("This plugin has not defined an ID."));
purple_debug_error("plugins", "%s is not loadable: info->id is not defined.\n", plugin->path);
plugin->unloadable = TRUE;
return plugin;
}
/* Really old plugins. */
if (plugin->info->magic != PURPLE_PLUGIN_MAGIC)
{
if (plugin->info->magic >= 2 && plugin->info->magic <= 4)
{
struct _PurplePluginInfo2
{
unsigned int api_version;
PurplePluginType type;
char *ui_requirement;
unsigned long flags;
GList *dependencies;
PurplePluginPriority priority;
char *id;
char *name;
char *version;
char *summary;
char *description;
char *author;
char *homepage;
gboolean (*load)(PurplePlugin *plugin);
gboolean (*unload)(PurplePlugin *plugin);
void (*destroy)(PurplePlugin *plugin);
void *ui_info;
void *extra_info;
PurplePluginUiInfo *prefs_info;
GList *(*actions)(PurplePlugin *plugin, gpointer context);
} *info2 = (struct _PurplePluginInfo2 *)plugin->info;
/* This leaks... but only for ancient plugins, so deal with it. */
plugin->info = g_new0(PurplePluginInfo, 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, PURPLE_PLUGIN_MAGIC);
purple_debug_error("plugins", "%s is not loadable: Plugin magic mismatch %d (need %d)\n",
plugin->path, plugin->info->magic, PURPLE_PLUGIN_MAGIC);
plugin->unloadable = TRUE;
return plugin;
}
purple_debug_error("plugins", "%s is not loadable: Plugin magic mismatch %d (need %d)\n",
plugin->path, plugin->info->magic, PURPLE_PLUGIN_MAGIC);
purple_plugin_destroy(plugin);
return NULL;
}
if (plugin->info->major_version != PURPLE_MAJOR_VERSION ||
plugin->info->minor_version > PURPLE_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,
PURPLE_MAJOR_VERSION, PURPLE_MINOR_VERSION);
purple_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,
PURPLE_MAJOR_VERSION, PURPLE_MINOR_VERSION);
plugin->unloadable = TRUE;
return plugin;
}
if (plugin->info->type == PURPLE_PLUGIN_PROTOCOL)
{
/* If plugin is a PRPL, make sure it implements the required functions */
if ((PURPLE_PLUGIN_PROTOCOL_INFO(plugin)->list_icon == NULL) ||
(PURPLE_PLUGIN_PROTOCOL_INFO(plugin)->login == NULL) ||
(PURPLE_PLUGIN_PROTOCOL_INFO(plugin)->close == NULL))
{
plugin->error = g_strdup(_("Plugin does not implement all required functions (list_icon, login and close)"));
purple_debug_error("plugins", "%s is not loadable: %s\n",
plugin->path, plugin->error);
plugin->unloadable = TRUE;
return plugin;
}
/* For debugging, let's warn about prpl prefs. */
if (plugin->info->prefs_info != NULL)
{
purple_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 /* !PURPLE_PLUGINS */
}
#ifdef PURPLE_PLUGINS
static gint
compare_plugins(gconstpointer a, gconstpointer b)
{
const PurplePlugin *plugina = a;
const PurplePlugin *pluginb = b;
return strcmp(plugina->info->name, pluginb->info->name);
}
#endif /* PURPLE_PLUGINS */
gboolean
purple_plugin_load(PurplePlugin *plugin)
{
#ifdef PURPLE_PLUGINS
GList *dep_list = NULL;
GList *l;
g_return_val_if_fail(plugin != NULL, FALSE);
if (purple_plugin_is_loaded(plugin))
return TRUE;
if (purple_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;
PurplePlugin *dep_plugin;
dep_plugin = purple_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);
purple_notify_error(NULL, NULL,
_("Unable to load 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)
{
PurplePlugin *dep_plugin = (PurplePlugin *)l->data;
if (!purple_plugin_is_loaded(dep_plugin))
{
if (!purple_plugin_load(dep_plugin))
{
char *tmp;
tmp = g_strdup_printf(_("The required plugin %s was unable to load."),
plugin->info->name);
purple_notify_error(NULL, NULL,
_("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)
{
PurplePlugin *dep_plugin = (PurplePlugin *)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 {
PurplePlugin *loader;
PurplePluginLoaderInfo *loader_info;
loader = find_loader_for_plugin(plugin);
if (loader == NULL)
return FALSE;
loader_info = PURPLE_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;
if (load_cb != NULL)
load_cb(plugin, load_cb_data);
purple_signal_emit(purple_plugins_get_handle(), "plugin-load", plugin);
return TRUE;
#else
return TRUE;
#endif /* !PURPLE_PLUGINS */
}
gboolean
purple_plugin_unload(PurplePlugin *plugin)
{
#ifdef PURPLE_PLUGINS
GList *l;
GList *ll;
g_return_val_if_fail(plugin != NULL, FALSE);
g_return_val_if_fail(purple_plugin_is_loaded(plugin), FALSE);
purple_debug_info("plugins", "Unloading plugin %s\n", plugin->info->name);
/* Unload all plugins that depend on this plugin. */
for (l = plugin->dependent_plugins; l != NULL; l = ll) {
const char * dep_name = (const char *)l->data;
PurplePlugin *dep_plugin;
/* Store a pointer to the next element in the list.
* This is because we'll be modifying this list in the loop. */
ll = l->next;
dep_plugin = purple_plugins_find_with_id(dep_name);
if (dep_plugin != NULL && purple_plugin_is_loaded(dep_plugin))
{
if (!purple_plugin_unload(dep_plugin))
{
g_free(plugin->error);
plugin->error = g_strdup_printf(_("%s requires %s, but it failed to unload."),
_(plugin->info->name),
_(dep_plugin->info->name));
return FALSE;
}
else
{
#if 0
/* This isn't necessary. This has already been done when unloading dep_plugin. */
plugin->dependent_plugins = g_list_delete_link(plugin->dependent_plugins, l);
#endif
}
}
}
/* 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;
PurplePlugin *dependency;
dependency = purple_plugins_find_with_id(dep_name);
if (dependency != NULL)
dependency->dependent_plugins = g_list_remove(dependency->dependent_plugins, plugin->info->id);
else
purple_debug_error("plugins", "Unable to remove from dependency list for %s\n", dep_name);
}
if (plugin->native_plugin) {
if (plugin->info->unload && !plugin->info->unload(plugin))
return FALSE;
if (plugin->info->type == PURPLE_PLUGIN_PROTOCOL) {
PurplePluginProtocolInfo *prpl_info;
GList *l;
prpl_info = PURPLE_PLUGIN_PROTOCOL_INFO(plugin);
for (l = prpl_info->user_splits; l != NULL; l = l->next)
purple_account_user_split_destroy(l->data);
for (l = prpl_info->protocol_options; l != NULL; l = l->next)
purple_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 {
PurplePlugin *loader;
PurplePluginLoaderInfo *loader_info;
loader = find_loader_for_plugin(plugin);
if (loader == NULL)
return FALSE;
loader_info = PURPLE_PLUGIN_LOADER_INFO(loader);
if (loader_info->unload && !loader_info->unload(plugin))
return FALSE;
}
/* cancel any pending dialogs the plugin has */
purple_request_close_with_handle(plugin);
purple_notify_close_with_handle(plugin);
purple_signals_disconnect_by_handle(plugin);
purple_plugin_ipc_unregister_all(plugin);
loaded_plugins = g_list_remove(loaded_plugins, plugin);
if ((plugin->info != NULL) && PURPLE_IS_PROTOCOL_PLUGIN(plugin))
protocol_plugins = g_list_remove(protocol_plugins, plugin);
plugins_to_disable = g_list_remove(plugins_to_disable, plugin);
plugin->loaded = FALSE;
/* We wouldn't be anywhere near here if the plugin wasn't loaded, so
* if plugin->error is set at all, it had to be from a previous
* unload failure. It's obviously okay now.
*/
g_free(plugin->error);
plugin->error = NULL;
if (unload_cb != NULL)
unload_cb(plugin, unload_cb_data);
purple_signal_emit(purple_plugins_get_handle(), "plugin-unload", plugin);
purple_prefs_disconnect_by_handle(plugin);
return TRUE;
#else
return TRUE;
#endif /* PURPLE_PLUGINS */
}
void
purple_plugin_disable(PurplePlugin *plugin)
{
#ifdef PURPLE_PLUGINS
g_return_if_fail(plugin != NULL);
if (!g_list_find(plugins_to_disable, plugin))
plugins_to_disable = g_list_prepend(plugins_to_disable, plugin);
#endif
}
gboolean
purple_plugin_reload(PurplePlugin *plugin)
{
#ifdef PURPLE_PLUGINS
g_return_val_if_fail(plugin != NULL, FALSE);
g_return_val_if_fail(purple_plugin_is_loaded(plugin), FALSE);
if (!purple_plugin_unload(plugin))
return FALSE;
if (!purple_plugin_load(plugin))
return FALSE;
return TRUE;
#else
return TRUE;
#endif /* !PURPLE_PLUGINS */
}
void
purple_plugin_destroy(PurplePlugin *plugin)
{
#ifdef PURPLE_PLUGINS
g_return_if_fail(plugin != NULL);
if (purple_plugin_is_loaded(plugin))
purple_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 != PURPLE_PLUGIN_MAGIC ||
plugin->info->major_version != PURPLE_MAJOR_VERSION)
{
if(plugin->handle)
g_module_close(plugin->handle);
g_free(plugin->path);
g_free(plugin->error);
PURPLE_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 == PURPLE_PLUGIN_LOADER)
{
PurplePluginLoaderInfo *loader_info;
GList *exts, *l, *next_l;
PurplePlugin *p2;
loader_info = PURPLE_PLUGIN_LOADER_INFO(plugin);
if (loader_info != NULL && loader_info->exts != NULL)
{
for (exts = PURPLE_PLUGIN_LOADER_INFO(plugin)->exts;
exts != NULL;
exts = exts->next) {
for (l = purple_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))
{
purple_plugin_destroy(p2);
}
}
}
g_list_free(loader_info->exts);
loader_info->exts = NULL;
}
plugin_loaders = g_list_remove(plugin_loaders, plugin);
}
if (plugin->info != NULL && plugin->info->destroy != NULL)
plugin->info->destroy(plugin);
/*
* I find it extremely useful to do this when using valgrind, as
* it keeps all the plugins open, meaning that valgrind is able to
* resolve symbol names in leak traces from plugins.
*/
if (!g_getenv("PURPLE_LEAKCHECK_HELP") && !RUNNING_ON_VALGRIND)
{
if (plugin->handle != NULL)
g_module_close(plugin->handle);
}
}
else
{
PurplePlugin *loader;
PurplePluginLoaderInfo *loader_info;
loader = find_loader_for_plugin(plugin);
if (loader != NULL)
{
loader_info = PURPLE_PLUGIN_LOADER_INFO(loader);
if (loader_info->destroy != NULL)
loader_info->destroy(plugin);
}
}
g_free(plugin->path);
g_free(plugin->error);
PURPLE_DBUS_UNREGISTER_POINTER(plugin);
g_free(plugin);
#endif /* !PURPLE_PLUGINS */
}
gboolean
purple_plugin_is_loaded(const PurplePlugin *plugin)
{
g_return_val_if_fail(plugin != NULL, FALSE);
return plugin->loaded;
}
gboolean
purple_plugin_is_unloadable(const PurplePlugin *plugin)
{
g_return_val_if_fail(plugin != NULL, FALSE);
return plugin->unloadable;
}
const gchar *
purple_plugin_get_id(const PurplePlugin *plugin) {
g_return_val_if_fail(plugin, NULL);
g_return_val_if_fail(plugin->info, NULL);
return plugin->info->id;
}
const gchar *
purple_plugin_get_name(const PurplePlugin *plugin) {
g_return_val_if_fail(plugin, NULL);
g_return_val_if_fail(plugin->info, NULL);
return _(plugin->info->name);
}
const gchar *
purple_plugin_get_version(const PurplePlugin *plugin) {
g_return_val_if_fail(plugin, NULL);
g_return_val_if_fail(plugin->info, NULL);
return plugin->info->version;
}
const gchar *
purple_plugin_get_summary(const PurplePlugin *plugin) {
g_return_val_if_fail(plugin, NULL);
g_return_val_if_fail(plugin->info, NULL);
return _(plugin->info->summary);
}
const gchar *
purple_plugin_get_description(const PurplePlugin *plugin) {
g_return_val_if_fail(plugin, NULL);
g_return_val_if_fail(plugin->info, NULL);
return _(plugin->info->description);
}
const gchar *
purple_plugin_get_author(const PurplePlugin *plugin) {
g_return_val_if_fail(plugin, NULL);
g_return_val_if_fail(plugin->info, NULL);
return _(plugin->info->author);
}
const gchar *
purple_plugin_get_homepage(const PurplePlugin *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)
{
PurplePluginIpcCommand *ipc_command = (PurplePluginIpcCommand *)data;
int i;
if (ipc_command->params != NULL)
{
for (i = 0; i < ipc_command->num_params; i++)
purple_value_destroy(ipc_command->params[i]);
g_free(ipc_command->params);
}
if (ipc_command->ret_value != NULL)
purple_value_destroy(ipc_command->ret_value);
g_free(ipc_command);
}
gboolean
purple_plugin_ipc_register(PurplePlugin *plugin, const char *command,
PurpleCallback func, PurpleSignalMarshalFunc marshal,
PurpleValue *ret_value, int num_params, ...)