mirror of
https://github.com/pi-hole/web.git
synced 2025-12-24 20:55:28 +00:00
142 lines
2.7 KiB
PHP
142 lines
2.7 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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function testFTL($address)
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{
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if($address === "127.0.0.1")
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{
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$ret = shell_exec("pidof pihole-FTL");
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return intval($ret);
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}
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// We cannot relly test for a distant FTL instance
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// in the same way, so for any other IP address
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// we simply return true here and rely on the API
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// socket connection itself to fail if there is nothing
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// on that address
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return true;
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}
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function connectFTL($address, $port=4711, $quiet=true)
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{
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$timeout = 3;
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if(!$quiet)
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{
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echo "Attempting to connect to '$address' on port '$port'...\n";
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}
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if($address == "127.0.0.1")
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{
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// Read port
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$portfile = file_get_contents("/var/run/pihole-FTL.port");
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if(is_numeric($portfile))
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$port = intval($portfile);
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}
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// Create a TCP/IP socket
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$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)
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or die("socket_create() failed: reason: " . socket_strerror(socket_last_error()) . "\n");
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socket_set_nonblock($socket) or die("Unable to set nonblock on socket\n");
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$time = time();
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while (!@socket_connect($socket, $address, $port))
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{
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$err = socket_last_error($socket);
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if ($err == 115 || $err == 114)
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{
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if ((time() - $time) >= $timeout)
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{
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socket_close($socket);
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die("Connection timed out.\n");
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}
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// Wait for 1 millisecond
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usleep(1000);
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continue;
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}
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die(socket_strerror($err) . "\n");
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}
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socket_set_block($socket) or die("Unable to set block on socket\n");
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// Set timeout to 3 seconds
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socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, ['sec'=>$timeout, 'usec'=>0]);
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socket_set_option($socket, SOL_SOCKET, SO_SNDTIMEO, ['sec'=>$timeout, 'usec'=>0]);
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if(!$quiet)
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{
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echo "Success!\n\n";
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}
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return $socket;
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}
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function sendRequestFTL($requestin, $quiet=true)
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{
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global $socket;
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$request = ">".$requestin;
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if(!$quiet)
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{
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echo "Sending request (".$request.")...\n";
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}
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socket_write($socket, $request, strlen($request)) or die("Could not send data to server\n");
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if(!$quiet)
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{
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echo "OK.\n";
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}
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}
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function getResponseFTL($quiet=true)
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{
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global $socket;
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if(!$quiet)
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{
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echo "Reading response:\n";
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}
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$response = [];
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while(true)
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{
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$out = socket_read($socket, 2048, PHP_NORMAL_READ);
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if(!$quiet)
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{
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echo $out;
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}
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if(strrpos($out,"---EOM---") !== false)
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{
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break;
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}
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$out = rtrim($out);
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if(strlen($out) > 0)
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{
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$response[] = $out;
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}
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}
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return $response;
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}
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function disconnectFTL($quiet=true)
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{
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global $socket;
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if(!$quiet)
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{
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echo "Closing socket...";
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}
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socket_close($socket);
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if(!$quiet)
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{
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echo "OK.\n\n";
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}
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}
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?>
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