+
+ GVariant *params;
+ gchar *proposed_static_hostname, *valid_static_hostname_buf, *bsd_hostname_try;
+ const gchar *bus_name;
+ gboolean policykit_auth, ret, try_to_set;
+ size_t check_length;
+ check_auth_result is_authed;
+
+
+ proposed_static_hostname = NULL;
+ ret = try_to_set = FALSE;
+
+ params = g_dbus_method_invocation_get_parameters(invoc);
+ g_variant_get(params, "(sb)", &proposed_static_hostname, &policykit_auth);
+ bus_name = g_dbus_method_invocation_get_sender(invoc);
+
+ /* verify caller has correct permissions via polkit */
+ is_authed = polkit_try_auth(bus_name, "org.freedesktop.hostname1.set-static-hostname", policykit_auth);
+
+ switch(is_authed) {
+
+ case AUTHORIZED_NATIVELY:
+ case AUTHORIZED_BY_PROMPT:
+ try_to_set = TRUE;
+ break;
+
+ case UNAUTHORIZED_NATIVELY:
+ case UNAUTHORIZED_FAILED_PROMPT:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EACCES", "Insufficient permissions to set static hostname.");
+ break;
+
+ case ERROR_BADBUS:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided bus name is invalid.");
+ break;
+
+ case ERROR_BADACTION:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided action ID is invalid.");
+ break;
+
+ case ERROR_GENERIC:
+ default:
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set static hostname for unknown reason.");
+ break;
+ }
+
+ /* verify passed hostname's validity */
+ if(try_to_set && proposed_static_hostname && (valid_static_hostname_buf = g_hostname_to_ascii(proposed_static_hostname))) {
+
+ check_length = strnlen(valid_static_hostname_buf, MAXHOSTNAMELEN + 1);
+
+ if(check_length > MAXHOSTNAMELEN) {
+
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ENAMETOOLONG", "Static hostname string exceeded maximum length.");
+ g_free(valid_static_hostname_buf);
+
+ } else if(!(STATIC_HOSTNAME = valid_static_hostname_buf)) {
+
+ g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set static hostname for unknown reason.");
+ g_free(valid_static_hostname_buf);
+
+ } else {
+
+ g_strdelimit(STATIC_HOSTNAME, " ", '-');
+ hostname1_set_static_hostname(hn1_passed_interf, STATIC_HOSTNAME);
+ g_ptr_array_add(hostnamed_freeable, valid_static_hostname_buf);
+
+ /* set string in OS_HOSTNAME_PATH ("/etc/myname" on bsd) */
+ bsd_hostname_try = get_bsd_hostname(STATIC_HOSTNAME);
+ GError *debug_error;
+ if(!bsd_hostname_try || !g_file_set_contents(OS_HOSTNAME_PATH, bsd_hostname_try, -1, &debug_error))
+ g_printf("could not to write to %s! are you root?\n", OS_HOSTNAME_PATH);
+
+ if(bsd_hostname_try)
+ g_free(bsd_hostname_try);
+
+ /* call sethostname(3) too */
+ ret = (!sethostname(valid_static_hostname_buf, MAXHOSTNAMELEN)) ? TRUE : FALSE; /* TODO set /etc/myname, guarantee domain or substitue .home.network" */
+ hostname1_complete_set_static_hostname(hn1_passed_interf, invoc);
+ }
+ }
+
+ return ret;