gaim/gaim

I feel dumb that it took me so long to get this right.
oldstatus v1_2_1
2005-04-03, Mark Doliner
b59671364e74
I feel dumb that it took me so long to get this right.
I hope it's right. I'm going to do a bit o' testing.
/*
* 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 "debug.h"
#include "notify.h"
#include "prefs.h"
#include "prpl.h"
#include "request.h"
#include "signals.h"
#include "version.h"
#define PLUGIN_EXT_WIN32 ".dll"
#define PLUGIN_EXT_HPUX ".sl"
#define PLUGIN_EXT_UNIX ".so"
#ifdef _WIN32
# define PLUGIN_EXT PLUGIN_EXT_WIN32
#else
#ifdef __hpux
# define PLUGIN_EXT PLUGIN_EXT_HPUX
#else
# define PLUGIN_EXT PLUGIN_EXT_UNIX
#endif
#endif
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 *loaded_plugins = NULL;
static GList *plugins = NULL;
static GList *plugin_loaders = NULL;
static GList *protocol_plugins = NULL;
static GList *load_queue = NULL;
static size_t search_path_count = 0;
static char **search_paths = NULL;
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;
void *
gaim_plugins_get_handle(void)
{
static int handle;
return &handle;
}
#ifdef GAIM_PLUGINS
static int
is_so_file(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));
}
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 (is_so_file(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 */
static gint
compare_prpl(GaimPlugin *a, GaimPlugin *b)
{
/* neg if a before b, 0 if equal, pos if a after 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 = (path == NULL ? NULL : g_strdup(path));
return plugin;
}
GaimPlugin *
gaim_plugin_probe(const char *filename)
{
#ifdef GAIM_PLUGINS
GaimPlugin *plugin = NULL;
GaimPlugin *loader;
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;
plugin = gaim_plugins_find_with_filename(filename);
if (plugin != NULL)
return plugin;
plugin = gaim_plugin_new(is_so_file(filename, PLUGIN_EXT), filename);
if (plugin->native_plugin) {
gpointer pgaim_init_plugin;
const char *error;
plugin->handle = g_module_open(filename, 0);
if (plugin->handle == NULL) {
error = g_module_error();
gaim_debug(GAIM_DEBUG_ERROR, "plugins", "%s is unloadable: %s\n",
plugin->path, error ? error : "Unknown error.");
gaim_plugin_destroy(plugin);
return NULL;
}
if (!g_module_symbol(plugin->handle, "gaim_init_plugin",
&pgaim_init_plugin)) {
g_module_close(plugin->handle);
plugin->handle = NULL;
error = g_module_error();
gaim_debug(GAIM_DEBUG_ERROR, "plugins", "%s is unloadable: %s\n",
plugin->path, error ? error : "Unknown error.");
gaim_plugin_destroy(plugin);
return NULL;
}
gaim_init_plugin = pgaim_init_plugin;
}
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;
}
plugin->error = NULL;
if (!gaim_init_plugin(plugin) || plugin->info == NULL) {
gaim_plugin_destroy(plugin);
return NULL;
}
if (plugin->info->magic != GAIM_PLUGIN_MAGIC ||
plugin->info->major_version != GAIM_MAJOR_VERSION ||
plugin->info->minor_version > GAIM_MINOR_VERSION)
{
gaim_debug(GAIM_DEBUG_ERROR, "plugins", "%s is unloadable: API 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);
gaim_plugin_destroy(plugin);
return NULL;
}
return plugin;
#else
return NULL;
#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);
g_return_val_if_fail(plugin->error == NULL, FALSE);
if (gaim_plugin_is_loaded(plugin))
return TRUE;
/*
* 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 buf[BUFSIZ];
g_snprintf(buf, sizeof(buf),
_("The required plugin %s was not found. "
"Please install this plugin and try again."),
dep_name);
gaim_notify_error(NULL, NULL,
_("Gaim was unable to load your plugin."),
buf);
if (dep_list != NULL)
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 buf[BUFSIZ];
g_snprintf(buf, sizeof(buf),
_("The required plugin %s was unable to load."),
plugin->info->name);
gaim_notify_error(NULL, NULL,
_("Gaim was unable to load your plugin."),
buf);
if (dep_list != NULL)
g_list_free(dep_list);
return FALSE;
}
}
}
if (dep_list != NULL)
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_append(loaded_plugins, plugin);
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
g_return_val_if_fail(plugin != NULL, FALSE);
loaded_plugins = g_list_remove(loaded_plugins, plugin);
g_return_val_if_fail(gaim_plugin_is_loaded(plugin), FALSE);
gaim_debug(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;
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);
if (prpl_info->protocol_options != NULL)
g_list_free(prpl_info->protocol_options);
}
}
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);
/* I suppose this is the right place to call this... */
gaim_signal_emit(gaim_plugins_get_handle(), "plugin-unload", 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);
return;
}
if (plugin->info != NULL && plugin->info->dependencies != 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 &&
is_so_file(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);
}
}
if (plugin->path != NULL) g_free(plugin->path);
if (plugin->error != NULL) g_free(plugin->error);
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;
}
/**************************************************************************
* 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_set_search_paths(size_t count, char **paths)
{
size_t s;
g_return_if_fail(count > 0);
g_return_if_fail(paths != NULL);
if (search_paths != NULL) {
for (s = 0; s < search_path_count; s++)
g_free(search_paths[s]);
g_free(search_paths);
}
search_paths = g_new0(char *, count);
for (s = 0; s < count; s++) {
if (paths[s] == NULL)
search_paths[s] = NULL;
else
search_paths[s] = g_strdup(paths[s]);
}
search_path_count = count;
}
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_load_saved(const char *key)
{
#ifdef GAIM_PLUGINS
GList *f, *files;
g_return_if_fail(key != NULL);
files = gaim_prefs_get_string_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++;
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 ((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(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;
size_t i;
void *handle;
if (!g_module_supported())
return;
handle = gaim_plugins_get_handle();
gaim_debug_info("plugins", "registering plugin-load signal\n");
gaim_signal_register(handle, "plugin-load", gaim_marshal_VOID__POINTER, NULL,
1, gaim_value_new(GAIM_TYPE_SUBTYPE, GAIM_SUBTYPE_PLUGIN));
gaim_debug_info("plugins", "registering plugin-unload signal\n");
gaim_signal_register(handle, "plugin-unload", gaim_marshal_VOID__POINTER, NULL,
1, gaim_value_new(GAIM_TYPE_SUBTYPE, GAIM_SUBTYPE_PLUGIN));
for (i = 0; i < search_path_count; i++) {
if (search_paths[i] == NULL)
continue;
dir = g_dir_open(search_paths[i], 0, NULL);
if (dir != NULL) {
while ((file = g_dir_read_name(dir)) != NULL) {
path = g_build_filename(search_paths[i], file, NULL);
if (ext == NULL || is_so_file(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)
{
GList *exts;
/* 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 (exts = GAIM_PLUGIN_LOADER_INFO(plugin)->exts;
exts != NULL;
exts = exts->next)
{
gaim_plugins_probe(exts->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;
}
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 (load_queue != NULL)
{
g_list_free(load_queue);
load_queue = NULL;
}
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 (g_list_find(plugins, plugin))
return TRUE;
if (plugin->info->type == GAIM_PLUGIN_LOADER)
{
GaimPluginLoaderInfo *loader_info;
loader_info = GAIM_PLUGIN_LOADER_INFO(plugin);
if (loader_info == NULL)
{
gaim_debug(GAIM_DEBUG_ERROR, "plugins", "%s is unloadable\n",
plugin->path);
return FALSE;
}
load_queue = g_list_append(load_queue, plugin);
}
else if (plugin->info->type == GAIM_PLUGIN_PROTOCOL)
{
GaimPluginProtocolInfo *prpl_info;
prpl_info = GAIM_PLUGIN_PROTOCOL_INFO(plugin);
if (prpl_info == NULL)
{
gaim_debug(GAIM_DEBUG_ERROR, "plugins", "%s is unloadable\n",
plugin->path);
return FALSE;
}
load_queue = g_list_append(load_queue, plugin);
}
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;
}
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, PLUGIN_EXT_WIN32) &
strcmp(last_period, PLUGIN_EXT_HPUX) &
strcmp(last_period, PLUGIN_EXT_UNIX));
}
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);
}
GaimPlugin *
gaim_plugins_find_with_basename(const char *basename)
{
GaimPlugin *plugin;
GList *l;
char *basename_no_ext;
char *tmp;
g_return_val_if_fail(basename != NULL, NULL);
basename_no_ext = gaim_plugin_get_basename(basename);
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_no_ext))
{
g_free(tmp);
g_free(basename_no_ext);
return plugin;
}
g_free(tmp);
}
}
g_free(basename_no_ext);
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(char* label, void (*callback)(GaimPluginAction *))
{
GaimPluginAction *act = g_new0(GaimPluginAction, 1);
act->label = label;
act->callback = callback;
return act;
}