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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2011 Red Hat, Inc.
*/
/*
* The example shows how to add a new connection using libnm. Contrast this
* example with add-connection-gdbus.c, which is a bit lower level and talks
* directly to NM using GDBus. This example is simpler because libnm handles
* much of the low-level stuff for you.
*
* Compile with:
* gcc -Wall add-connection-libnm.c -o add-connection-libnm `pkg-config --libs --cflags libnm`
*/
#include <glib.h>
#include <NetworkManager.h>
static void
added_cb(GObject *client, GAsyncResult *result, gpointer user_data)
{
GMainLoop *loop = user_data;
NMRemoteConnection *remote;
GError *error = NULL;
/* NM responded to our request; either handle the resulting error or
* print out the object path of the connection we just added.
*/
remote = nm_client_add_connection_finish(NM_CLIENT(client), result, &error);
if (error) {
g_print("Error adding connection: %s", error->message);
g_error_free(error);
} else {
g_print("Added: %s\n", nm_connection_get_path(NM_CONNECTION(remote)));
g_object_unref(remote);
}
/* Tell the mainloop we're done and we can quit now */
g_main_loop_quit(loop);
}
static void
add_connection(NMClient *client, GMainLoop *loop, const char *con_name)
{
NMConnection *connection;
NMSettingConnection *s_con;
NMSettingWired *s_wired;
NMSettingIP4Config *s_ip4;
char *uuid;
/* Create a new connection object */
connection = nm_simple_connection_new();
/* Build up the 'connection' Setting */
s_con = (NMSettingConnection *) nm_setting_connection_new();
uuid = nm_utils_uuid_generate();
g_object_set(G_OBJECT(s_con),
NM_SETTING_CONNECTION_UUID,
uuid,
NM_SETTING_CONNECTION_ID,
con_name,
NM_SETTING_CONNECTION_TYPE,
"802-3-ethernet",
NULL);
g_free(uuid);
nm_connection_add_setting(connection, NM_SETTING(s_con));
/* Build up the 'wired' Setting */
s_wired = (NMSettingWired *) nm_setting_wired_new();
nm_connection_add_setting(connection, NM_SETTING(s_wired));
/* Build up the 'ipv4' Setting */
s_ip4 = (NMSettingIP4Config *) nm_setting_ip4_config_new();
g_object_set(G_OBJECT(s_ip4),
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP4_CONFIG_METHOD_AUTO,
NULL);
nm_connection_add_setting(connection, NM_SETTING(s_ip4));
/* Ask the settings service to add the new connection; we'll quit the
* mainloop and exit when the callback is called.
*/
nm_client_add_connection_async(client, connection, TRUE, NULL, added_cb, loop);
g_object_unref(connection);
}
int
main(int argc, char *argv[])
{
NMClient *client;
GMainLoop *loop;
GError *error = NULL;
loop = g_main_loop_new(NULL, FALSE);
/* Connect to NetworkManager */
client = nm_client_new(NULL, &error);
if (!client) {
g_message("Error: Could not connect to NetworkManager: %s.", error->message);
g_error_free(error);
return 1;
}
/* Ask NM to add the new connection */
add_connection(client, loop, "__Test connection__");
/* Wait for the connection to be added */
g_main_loop_run(loop);
/* Clean up */
g_object_unref(client);
return 0;
}
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