mirror of
https://github.com/pi-hole/web.git
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100 lines
2.6 KiB
PHP
100 lines
2.6 KiB
PHP
<?php
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/* Pi-hole: A black hole for Internet advertisements
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* (c) 2017 Pi-hole, LLC (https://pi-hole.net)
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* Network-wide ad blocking via your own hardware.
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*
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* This file is copyright under the latest version of the EUPL.
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* Please see LICENSE file for your rights under this license. */
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const DEFAULT_FTLCONFFILE = "/etc/pihole/pihole-FTL.conf";
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const DEFAULT_FTL_IP = "127.0.0.1";
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const DEFAULT_FTL_PORT = 4711;
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function piholeFTLConfig($piholeFTLConfFile = DEFAULT_FTLCONFFILE, $force = false) {
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static $piholeFTLConfig;
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if (isset($piholeFTLConfig) && !$force) {
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return $piholeFTLConfig;
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}
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if (is_readable($piholeFTLConfFile)) {
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$piholeFTLConfig = parse_ini_file($piholeFTLConfFile);
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} else {
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$piholeFTLConfig = array();
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}
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return $piholeFTLConfig;
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}
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function connectFTL($address, $port) {
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if ($address == DEFAULT_FTL_IP) {
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$config = piholeFTLConfig();
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// Read port
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$portfileName = isset($config['PORTFILE']) ? $config['PORTFILE'] : '';
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if ($portfileName != '') {
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$portfileContents = file_get_contents($portfileName);
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if (is_numeric($portfileContents)) {
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$port = intval($portfileContents);
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}
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}
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}
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// Open Internet socket connection
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$socket = @fsockopen($address, $port, $errno, $errstr, 1.0);
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return $socket;
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}
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function sendRequestFTL($requestin, $socket) {
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$request = ">".$requestin;
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fwrite($socket, $request) or die('{"error":"Could not send data to server"}');
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}
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function getResponseFTL($socket) {
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$response = [];
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$errCount = 0;
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while (true) {
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$out = fgets($socket);
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if ($out == "") {
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$errCount++;
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}
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if ($errCount > 100) {
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// Tried 100 times, but never got proper reply, fail to prevent busy loop
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die('{"error":"Tried 100 times to connect to FTL server, but never got proper reply. Please check Port and logs!"}');
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}
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if (strrpos($out,"---EOM---") !== false) {
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break;
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}
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$out = rtrim($out);
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if (strlen($out) > 0) {
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$response[] = $out;
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}
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}
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return $response;
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}
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function disconnectFTL($socket) {
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if (is_resource($socket)) {
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fclose($socket);
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}
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}
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function callFTLAPI($request, $FTL_IP = DEFAULT_FTL_IP, $port = DEFAULT_FTL_PORT) {
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$socket = connectFTL($FTL_IP, $port);
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if (!is_resource($socket)) {
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$data = array("FTLnotrunning" => true);
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} else {
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sendRequestFTL($request, $socket);
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$data = getResponseFTL($socket);
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}
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disconnectFTL($socket);
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return $data;
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}
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?>
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