+static gboolean
+on_handle_set_time(Timedate1 *td1_passed_interf,
+ GDBusMethodInvocation *invoc,
+ const gchar *greet,
+ gpointer data) {
+
+ GVariant *params;
+ gint64 proposed_time, cur_time;
+ const gchar *bus_name;
+ gboolean policykit_auth;
+ check_auth_result is_authed;
+ gboolean relative; /* relative if passed time_t is meant to be added to current time */
+ struct timespec *new_time;
+
+ params = g_dbus_method_invocation_get_parameters(invoc);
+ g_variant_get(params, "(xbb)", &proposed_time, &relative, &policykit_auth);
+ bus_name = g_dbus_method_invocation_get_sender(invoc);
+
+ is_authed = polkit_try_auth(bus_name, "org.freedesktop.timedate1.set-time", policykit_auth);
+
+ switch(is_authed) {
+
+ case AUTHORIZED_NATIVELY:
+ case AUTHORIZED_BY_PROMPT:
+ break;
+
+ case UNAUTHORIZED_NATIVELY:
+ case UNAUTHORIZED_FAILED_PROMPT:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EACCES", "Insufficient permissions to set system time.");
+ return FALSE;
+
+ case ERROR_BADBUS:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EFAULT", "Provided bus name is invalid.");
+ return FALSE;
+
+ case ERROR_BADACTION:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EFAULT", "Provided action ID is invalid.");
+ return FALSE;
+
+ case ERROR_GENERIC:
+ default:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.ECANCELED", "Failed to set system time for unknown reasons.");
+ return FALSE;
+ }
+
+ if(!proposed_time) {
+
+ timedate1_complete_set_time(td1_passed_interf, invoc);
+ return TRUE;
+
+ } else if(relative) {
+
+ cur_time = g_get_real_time();
+
+ if(proposed_time < 0 && cur_time + proposed_time > cur_time) {
+
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EINVAL", "Resultant time out of bounds.");
+ return FALSE;
+
+ } else if(proposed_time > 0 && cur_time + proposed_time < cur_time) {
+
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EINVAL", "Resultant time out of bounds.");
+ return FALSE;
+ }
+
+ new_time = mktimespec(proposed_time);
+
+ if(!clock_settime(CLOCK_REALTIME, new_time)) {
+
+ timedate1_complete_set_time(td1_passed_interf, invoc);
+ return TRUE;
+
+ } else {
+
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.ECANCELED", "Failed to set system time for unknown reasons.");
+ return FALSE;
+ }
+
+ } else if(proposed_time > 0) {
+
+
+ new_time = mktimespec(proposed_time);
+
+ if(!clock_settime(CLOCK_REALTIME, new_time)) {
+
+ timedate1_complete_set_time(td1_passed_interf, invoc);
+ return TRUE;
+
+ } else {
+
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.ECANCELED", "Failed to set system time for unknown reasons.");
+ return FALSE;
+ }
+
+ } else {
+
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EINVAL", "Resultant time out of bounds.");
+ return FALSE;
+ }
+}
+
+static gboolean
+on_handle_set_timezone(Timedate1 *td1_passed_interf,
+ GDBusMethodInvocation *invoc,
+ const gchar *greet,
+ gpointer data) {
+
+ GVariant *params;
+ gchar *proposed_tz;
+ const gchar *bus_name;
+ gboolean policykit_auth;
+ check_auth_result is_authed;
+
+ gchar *tz_target_path;
+ struct stat *statbuf;
+ extern int errno;
+
+ params = g_dbus_method_invocation_get_parameters(invoc);
+ g_variant_get(params, "(sb)", &proposed_tz, &policykit_auth);
+ bus_name = g_dbus_method_invocation_get_sender(invoc);
+
+ is_authed = polkit_try_auth(bus_name, "org.freedesktop.timedate1.set-timezone", policykit_auth);
+
+ switch(is_authed) {
+
+ case AUTHORIZED_NATIVELY:
+ case AUTHORIZED_BY_PROMPT:
+ break;
+
+ case UNAUTHORIZED_NATIVELY:
+ case UNAUTHORIZED_FAILED_PROMPT:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EACCES", "Insufficient permissions to set timezone.");
+ return FALSE;
+
+ case ERROR_BADBUS:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EFAULT", "Provided bus name is invalid.");
+ return FALSE;
+
+ case ERROR_BADACTION:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EFAULT", "Provided action ID is invalid.");
+ return FALSE;
+
+ case ERROR_GENERIC:
+ default:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.ECANCELED", "Failed to set timezone for unknown reasons.");
+ return FALSE;
+ }
+
+ statbuf = (struct stat*) calloc(1, sizeof(struct stat));
+ tz_target_path = (gchar *) calloc(1, TZNAME_MAX);
+
+ g_ptr_array_add(timedated_freeable, statbuf);
+ g_ptr_array_add(timedated_freeable, tz_target_path);
+
+ strlcat(tz_target_path, TZDIR, TZNAME_MAX);
+ strlcat(tz_target_path, "/", TZNAME_MAX);
+ strlcat(tz_target_path, proposed_tz, TZNAME_MAX);
+
+ if(strstr(tz_target_path, "../")) {
+
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EBADF", "Provided timezone is invalid.");
+ return FALSE;
+ }
+
+ if(!statbuf)
+ return FALSE;
+
+ if(lstat(tz_target_path, statbuf)) {
+
+ switch(errno) {
+
+ case ENOENT:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.ENOENT", "Specified timezone does not exist.");
+ break;
+
+ default:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EBADF", "Specified timezone is invalid.");
+ break;
+ }
+
+ return FALSE;
+ }
+
+ if(!S_ISREG(statbuf->st_mode)) {
+
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.EBADF", "Specified path is of an inappropriate type.");
+ return FALSE;
+ }
+
+ memset(statbuf, 0, sizeof statbuf);
+
+ if(!lstat(TZDEFAULT, statbuf))
+ if(remove(TZDEFAULT))
+ return FALSE;
+
+ if(symlink(tz_target_path, TZDEFAULT))
+ return FALSE;
+
+
+ timedate1_complete_set_timezone(td1_passed_interf, invoc);
+
+ return TRUE;
+}
+
+static gboolean
+on_handle_set_local_rtc(Timedate1 *td1_passed_interf,
+ GDBusMethodInvocation *invoc,
+ const gchar *greet,
+ gpointer data) {
+
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.timedate1.Error.ENODEV", "Unix RTC must be in UTC.");
+ return TRUE;
+}
+
+static gboolean
+on_handle_set_ntp(Timedate1 *td1_passed_interf,
+ GDBusMethodInvocation *invoc,
+ const gchar *greet,
+ gpointer data) {