+static int read_ntp(DBusConnection *bus) {
+ DBusMessage *m = NULL, *reply = NULL;
+ const char *name = "ntpd.service", *s;
+ DBusError error;
+ int r;
+
+ assert(bus);
+
+ dbus_error_init(&error);
+
+ m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnitFileState");
+
+ if (!m) {
+ log_error("Out of memory");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+ if (!reply) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_STRING, &s,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ use_ntp =
+ streq(s, "enabled") ||
+ streq(s, "enabled-runtime");
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int start_ntp(DBusConnection *bus, DBusError *error) {
+ DBusMessage *m = NULL, *reply = NULL;
+ const char *name = "ntpd.service", *mode = "replace";
+ int r;
+
+ assert(bus);
+ assert(error);
+
+ m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ use_ntp ? "StartUnit" : "StopUnit");
+ if (!m) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &mode,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
+ if (!reply) {
+ log_error("Failed to issue method call: %s", bus_error_message(error));
+ r = -EIO;
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ return r;
+}
+
+static int enable_ntp(DBusConnection *bus, DBusError *error) {
+ DBusMessage *m = NULL, *reply = NULL;
+ const char * const names[] = { "ntpd.service", NULL };
+ int r;
+ DBusMessageIter iter;
+ dbus_bool_t f = FALSE, t = TRUE;
+
+ assert(bus);
+ assert(error);
+
+ m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ use_ntp ? "EnableUnitFiles" : "DisableUnitFiles");
+
+ if (!m) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ dbus_message_iter_init_append(m, &iter);
+
+ r = bus_append_strv_iter(&iter, (char**) names);
+ if (r < 0) {
+ log_error("Failed to append unit files.");
+ goto finish;
+ }
+ /* send runtime bool */
+ if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &f)) {
+ log_error("Failed to append runtime boolean.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (use_ntp) {
+ /* send force bool */
+ if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &t)) {
+ log_error("Failed to append force boolean.");
+ r = -ENOMEM;
+ goto finish;
+ }
+ }
+
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
+ if (!reply) {
+ log_error("Failed to issue method call: %s", bus_error_message(error));
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_unref(m);
+ m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "Reload");
+ if (!m) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ dbus_message_unref(reply);
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
+ if (!reply) {
+ log_error("Failed to issue method call: %s", bus_error_message(error));
+ r = -EIO;
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ return r;
+}
+
+static int property_append_ntp(DBusMessageIter *i, const char *property, void *data) {
+ dbus_bool_t db;
+
+ assert(i);
+ assert(property);
+
+ db = use_ntp > 0;
+
+ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &db))
+ return -ENOMEM;
+
+ return 0;
+}
+