diff options
Diffstat (limited to 'shared/nm-utils/nm-vpn-plugin-utils.c')
| -rw-r--r-- | shared/nm-utils/nm-vpn-plugin-utils.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/shared/nm-utils/nm-vpn-plugin-utils.c b/shared/nm-utils/nm-vpn-plugin-utils.c deleted file mode 100644 index 89285ecd..00000000 --- a/shared/nm-utils/nm-vpn-plugin-utils.c +++ /dev/null @@ -1,138 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.1-or-later */ -/* - * Copyright (C) 2016, 2018 Red Hat, Inc. - */ - -#include "libnm/nm-default-client.h" - -#include "nm-vpn-plugin-utils.h" - -#include <dlfcn.h> - -/*****************************************************************************/ - -NMVpnEditor * -nm_vpn_plugin_utils_load_editor(const char * module_name, - const char * factory_name, - NMVpnPluginUtilsEditorFactory editor_factory, - NMVpnEditorPlugin * editor_plugin, - NMConnection * connection, - gpointer user_data, - GError ** error) - -{ - static struct { - gpointer factory; - void * dl_module; - char * module_name; - char * factory_name; - } cached = {0}; - NMVpnEditor * editor; - gs_free char *module_path = NULL; - gs_free char *dirname = NULL; - Dl_info plugin_info; - - g_return_val_if_fail(module_name, NULL); - g_return_val_if_fail(factory_name && factory_name[0], NULL); - g_return_val_if_fail(editor_factory, NULL); - g_return_val_if_fail(NM_IS_VPN_EDITOR_PLUGIN(editor_plugin), NULL); - g_return_val_if_fail(NM_IS_CONNECTION(connection), NULL); - g_return_val_if_fail(!error || !*error, NULL); - - if (!g_path_is_absolute(module_name)) { - /* - * Load an editor from the same directory this plugin is in. - * Ideally, we'd get our .so name from the NMVpnEditorPlugin if it - * would just have a property with it... - */ - if (!dladdr(nm_vpn_plugin_utils_load_editor, &plugin_info)) { - /* Really a "can not happen" scenario. */ - g_set_error(error, - NM_VPN_PLUGIN_ERROR, - NM_VPN_PLUGIN_ERROR_FAILED, - _("unable to get editor plugin name: %s"), - dlerror()); - } - - dirname = g_path_get_dirname(plugin_info.dli_fname); - module_path = g_build_filename(dirname, module_name, NULL); - } else { - module_path = g_strdup(module_name); - } - - /* we really expect this function to be called with unchanging @module_name - * and @factory_name. And we only want to load the module once, hence it would - * be more complicated to accept changing @module_name/@factory_name arguments. - * - * The reason for only loading once is that due to glib types, we cannot create a - * certain type-name more then once, so loading the same module or another version - * of the same module will fail horribly as both try to create a GType with the same - * name. - * - * Only support loading once, any future calls will reuse the handle. To simplify - * that, we enforce that the @factory_name and @module_name is the same. */ - if (cached.factory) { - g_return_val_if_fail(cached.dl_module, NULL); - g_return_val_if_fail(cached.factory_name && nm_streq0(cached.factory_name, factory_name), - NULL); - g_return_val_if_fail(cached.module_name && nm_streq0(cached.module_name, module_name), - NULL); - } else { - gpointer factory; - void * dl_module; - - dl_module = dlopen(module_path, RTLD_LAZY | RTLD_LOCAL); - if (!dl_module) { - if (!g_file_test(module_path, G_FILE_TEST_EXISTS)) { - g_set_error(error, - G_FILE_ERROR, - G_FILE_ERROR_NOENT, - _("missing plugin file \"%s\""), - module_path); - return NULL; - } - g_set_error(error, - NM_VPN_PLUGIN_ERROR, - NM_VPN_PLUGIN_ERROR_FAILED, - _("cannot load editor plugin: %s"), - dlerror()); - return NULL; - } - - factory = dlsym(dl_module, factory_name); - if (!factory) { - g_set_error(error, - NM_VPN_PLUGIN_ERROR, - NM_VPN_PLUGIN_ERROR_FAILED, - _("cannot load factory %s from plugin: %s"), - factory_name, - dlerror()); - dlclose(dl_module); - return NULL; - } - - /* we cannot ever unload the module because it creates glib types, which - * cannot be unregistered. - * - * Thus we just leak the dl_module handle indefinitely. */ - cached.factory = factory; - cached.dl_module = dl_module; - cached.module_name = g_strdup(module_name); - cached.factory_name = g_strdup(factory_name); - } - - editor = editor_factory(cached.factory, editor_plugin, connection, user_data, error); - if (!editor) { - if (error && !*error) { - g_set_error_literal(error, - NM_VPN_PLUGIN_ERROR, - NM_VPN_PLUGIN_ERROR_FAILED, - _("unknown error creating editor instance")); - g_return_val_if_reached(NULL); - } - return NULL; - } - - g_return_val_if_fail(NM_IS_VPN_EDITOR(editor), NULL); - return editor; -} |