knotc failed with exit code " . $code['begin'] . ": " . $output['begin'][0] . "."); exec(CONF['dns']['knotc_path'] . " zone-" . $action . "set " . $suffix . " " . implode(" ", $cmd), $output['op'], $code['op']); if ($code['op'] !== 0) serverError("knotc failed with exit code " . $code['op'] . ": " . $output['op'][0] . "."); exec(CONF['dns']['knotc_path'] . " zone-commit " . $suffix, $output['commit'], $code['commit']); if ($code['commit'] !== 0) serverError("knotc failed with exit code " . $code['commit'] . ": " . $output['commit'][0] . "."); } function checkIpFormat($ip) { if (!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE)) userError("IP address is on the private range."); if (!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE)) userError("IP address is on the reserved range."); if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) return "A"; if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) return "AAAA"; userError("IP address malformed."); } function checkAbsoluteDomainFormat($domain) { // If the domain must end with a dot if (!filter_var($domain, FILTER_VALIDATE_DOMAIN) OR !preg_match("/^([a-z0-9_-]{1,63}\.){2,127}$/", $domain)) userError("Domain malformed."); } function checkAction($action) { if ($action === "delete") return "un"; else if ($action === "add") return ""; else userError("Wrong value for action."); }