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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* The example shows how to import VPN connection from a file.
*
* @author: Jagadeesh Kotra <jagadeesh@stdin.top>
*
* Compile with:
* gcc -Wall vpn-import-libnm.c -o vpn-import-libnm `pkg-config --cflags --libs libnm`
*/
#include <glib.h>
#include <NetworkManager.h>
/*****************************************************************************/
static NMConnection *
vpn_connection_import(const char *filename)
{
NMConnection *conn = NULL;
GSList *plugins;
GSList *iter;
g_print("Try to import file \"%s\"...\n", filename);
plugins = nm_vpn_plugin_info_list_load();
for (iter = plugins; iter; iter = iter->next) {
GError *error = NULL;
NMVpnPluginInfo *plugin = iter->data;
NMVpnEditorPlugin *editor;
const char *plugin_name = nm_vpn_plugin_info_get_name(plugin);
g_print("plugin[%s]: trying import...\n", plugin_name);
editor = nm_vpn_plugin_info_load_editor_plugin(plugin, &error);
if (error) {
g_print("plugin[%s]: error loading plugin: %s\n", plugin_name, error->message);
g_clear_error(&error);
continue;
}
conn = nm_vpn_editor_plugin_import(editor, filename, &error);
if (error) {
g_print("plugin[%s]: error importing file: %s\n", plugin_name, error->message);
g_clear_error(&error);
continue;
}
if (!nm_connection_normalize(conn, NULL, NULL, &error)) {
g_print("plugin[%s]: imported connection invalid: %s\n", plugin_name, error->message);
g_clear_error(&error);
g_clear_object(&conn);
continue;
}
g_print("plugin[%s]: imported connection \"%s\" (%s)\n",
plugin_name,
nm_connection_get_id(conn),
nm_connection_get_uuid(conn));
break;
}
g_slist_free_full(plugins, g_object_unref);
if (!conn) {
g_print("Failure to import the file with any plugin\n");
return NULL;
}
return conn;
}
/*****************************************************************************/
typedef struct {
GMainLoop *loop;
GError *error;
NMRemoteConnection *rconn;
} RequestData;
static void
add_cb(GObject *source, GAsyncResult *result, gpointer user_data)
{
RequestData *rdata = user_data;
rdata->rconn = nm_client_add_connection_finish(NM_CLIENT(source), result, &rdata->error);
g_main_loop_quit(rdata->loop);
}
static NMRemoteConnection *
connection_add(NMConnection *conn)
{
GError *error = NULL;
NMClient *client;
RequestData rdata;
g_print("Adding connection \"%s\" (%s)\n",
nm_connection_get_id(conn),
nm_connection_get_uuid(conn));
client = nm_client_new(NULL, &error);
if (!client) {
g_print("Failure to connect with NetworkManager: %s\n", error->message);
return NULL;
}
g_print("Adding connection \"%s\" (%s)\n",
nm_connection_get_id(conn),
nm_connection_get_uuid(conn));
rdata = (RequestData) {
.loop = g_main_loop_new(NULL, FALSE),
.rconn = NULL,
.error = NULL,
};
nm_client_add_connection_async(client, conn, TRUE, NULL, add_cb, &rdata);
g_main_loop_run(rdata.loop);
g_clear_pointer(&rdata.loop, g_main_loop_unref);
if (rdata.error != NULL) {
g_print("Error: %s\n", rdata.error->message);
g_clear_error(&rdata.error);
} else {
g_print("Connection successfully added: %s\n", nm_object_get_path(NM_OBJECT(rdata.rconn)));
}
g_clear_object(&client);
return rdata.rconn;
}
/*****************************************************************************/
int
main(int argc, char **argv)
{
NMRemoteConnection *rconn;
NMConnection *conn;
const char *filename;
gboolean success;
if (argc < 2) {
g_print("program takes exactly one(1) argument.\n");
return 1;
}
filename = argv[1];
conn = vpn_connection_import(filename);
if (!conn)
return 1;
rconn = connection_add(conn);
success = (rconn != NULL);
g_clear_object(&conn);
g_clear_object(&rconn);
return success ? 0 : 1;
}
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