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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
* 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 02110-1301 USA.
*
* Copyright 2011, 2014 Red Hat, Inc.
*/
/*
* The example shows how to call the AddConnection() D-Bus method to add a
* connection to the system settings service. It uses GDBus, plus a few defines
* from the NetworkManager headers. Contrast add-connection-libnm, which is
* higher level because it uses libnm.
*
* Compile with:
* gcc -Wall add-connection-gdbus.c -o add-connection-gdbus `pkg-config --cflags --libs libnm uuid`
*/
#include <gio/gio.h>
#include <uuid/uuid.h>
#include <nm-dbus-interface.h>
/* include NetworkManager.h for the defines, but we don't link against
* libnm. */
#include <NetworkManager.h>
/* copied from libnm-core/nm-utils.c */
char *
nm_utils_uuid_generate (void)
{
uuid_t uuid;
char *buf;
buf = g_malloc0 (37);
uuid_generate_random (uuid);
uuid_unparse_lower (uuid, &buf[0]);
return buf;
}
static void
add_connection (GDBusProxy *proxy, const char *con_name)
{
GVariantBuilder connection_builder;
GVariantBuilder setting_builder;
char *uuid;
const char *new_con_path;
GVariant *ret;
GError *error = NULL;
/* Initialize connection GVariantBuilder */
g_variant_builder_init (&connection_builder, G_VARIANT_TYPE ("a{sa{sv}}"));
/* Build up the 'connection' Setting */
g_variant_builder_init (&setting_builder, G_VARIANT_TYPE ("a{sv}"));
uuid = nm_utils_uuid_generate ();
g_variant_builder_add (&setting_builder, "{sv}",
NM_SETTING_CONNECTION_UUID,
g_variant_new_string (uuid));
g_free (uuid);
g_variant_builder_add (&setting_builder, "{sv}",
NM_SETTING_CONNECTION_ID,
g_variant_new_string (con_name));
g_variant_builder_add (&setting_builder, "{sv}",
NM_SETTING_CONNECTION_TYPE,
g_variant_new_string (NM_SETTING_WIRED_SETTING_NAME));
g_variant_builder_add (&connection_builder, "{sa{sv}}",
NM_SETTING_CONNECTION_SETTING_NAME,
&setting_builder);
/* Add the (empty) 'wired' Setting */
g_variant_builder_init (&setting_builder, G_VARIANT_TYPE ("a{sv}"));
g_variant_builder_add (&connection_builder, "{sa{sv}}",
NM_SETTING_WIRED_SETTING_NAME,
&setting_builder);
/* Build up the 'ipv4' Setting */
g_variant_builder_init (&setting_builder, G_VARIANT_TYPE ("a{sv}"));
g_variant_builder_add (&setting_builder, "{sv}",
NM_SETTING_IP_CONFIG_METHOD,
g_variant_new_string (NM_SETTING_IP4_CONFIG_METHOD_AUTO));
g_variant_builder_add (&connection_builder, "{sa{sv}}",
NM_SETTING_IP4_CONFIG_SETTING_NAME,
&setting_builder);
/* Call AddConnection with the connection dictionary as argument.
* (g_variant_new() will consume the floating GVariant returned from
* &connection_builder, and g_dbus_proxy_call_sync() will consume the
* floating variant returned from g_variant_new(), so no cleanup is needed.
*/
ret = g_dbus_proxy_call_sync (proxy,
"AddConnection",
g_variant_new ("(a{sa{sv}})", &connection_builder),
G_DBUS_CALL_FLAGS_NONE, -1,
NULL, &error);
if (ret) {
g_variant_get (ret, "(&o)", &new_con_path);
g_print ("Added: %s\n", new_con_path);
g_variant_unref (ret);
} else {
g_dbus_error_strip_remote_error (error);
g_print ("Error adding connection: %s\n", error->message);
g_clear_error (&error);
}
}
int
main (int argc, char *argv[])
{
GDBusProxy *proxy;
GError *error = NULL;
#if !GLIB_CHECK_VERSION (2, 35, 0)
/* Initialize GType system */
g_type_init ();
#endif
/* Create a D-Bus proxy; NM_DBUS_* defined in nm-dbus-interface.h */
proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
NM_DBUS_SERVICE,
NM_DBUS_PATH_SETTINGS,
NM_DBUS_INTERFACE_SETTINGS,
NULL, &error);
if (!proxy) {
g_dbus_error_strip_remote_error (error);
g_print ("Could not create NetworkManager D-Bus proxy: %s\n", error->message);
g_error_free (error);
return 1;
}
/* Add a connection */
add_connection (proxy, "__Test connection__");
g_object_unref (proxy);
return 0;
}
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