openvpn: Add OpenVPN support

1 files changed, 123 insertions, 0 deletions

diff --git a/scripts/openvpn-script.c b/scripts/openvpn-script.c
new file mode 100644
index 00000000..8d2c3ff0
--- /dev/null
+++ b/scripts/openvpn-script.c
@@ -0,0 +1,123 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2010  BMW Car IT GmbH. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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 St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <dbus/dbus.h>
+
+extern char **environ;
+
+static void append(DBusMessageIter *dict, const char *pattern)
+{
+	DBusMessageIter entry;
+	const char *key, *value;
+	char *delim;
+
+	delim = strchr(pattern, '=');
+	*delim = '\0';
+
+	key = pattern;
+	value = delim + 1;
+
+	dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
+							NULL, &entry);
+
+	dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
+
+	dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &value);
+
+	dbus_message_iter_close_container(dict, &entry);
+}
+
+int main(int argc, char *argv[])
+{
+	DBusConnection *conn;
+	DBusError error;
+	DBusMessage *msg;
+	DBusMessageIter iter, dict;
+	char **envp, *busname, *interface, *path, *reason;
+
+	busname = getenv("CONNMAN_BUSNAME");
+	interface = getenv("CONNMAN_INTERFACE");
+	path = getenv("CONNMAN_PATH");
+
+	reason = getenv("script_type");
+
+	if (!busname || !interface || !path || !reason) {
+		fprintf(stderr, "Required environment variables not set\n");
+		return 1;
+	}
+	dbus_error_init(&error);
+
+	conn = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
+	if (conn == NULL) {
+		if (dbus_error_is_set(&error) == TRUE) {
+			fprintf(stderr, "%s\n", error.message);
+			dbus_error_free(&error);
+		} else
+			fprintf(stderr, "Failed to get on system bus\n");
+		return 0;
+	}
+
+	msg = dbus_message_new_method_call(busname, path,
+						interface, "notify");
+	if (msg == NULL) {
+		dbus_connection_unref(conn);
+		fprintf(stderr, "Failed to allocate method call\n");
+		return 0;
+	}
+
+	dbus_message_set_no_reply(msg, TRUE);
+
+	dbus_message_append_args(msg,
+				 DBUS_TYPE_STRING, &reason,
+				 DBUS_TYPE_INVALID);
+
+	dbus_message_iter_init_append(msg, &iter);
+
+	dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
+			DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
+			DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_STRING_AS_STRING
+			DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
+
+	for (envp = environ; envp && *envp; envp++)
+		append(&dict, *envp);
+
+	dbus_message_iter_close_container(&iter, &dict);
+
+	if (dbus_connection_send(conn, msg, NULL) == FALSE)
+		fprintf(stderr, "Failed to send message\n");
+
+	dbus_connection_flush(conn);
+
+	dbus_message_unref(msg);
+
+	dbus_connection_unref(conn);
+
+	return 0;
+}