Files
web/scripts/pi-hole/php/FTL.php

133 lines
2.4 KiB
PHP

<?php
/* Pi-hole: A black hole for Internet advertisements
* (c) 2017 Pi-hole, LLC (https://pi-hole.net)
* Network-wide ad blocking via your own hardware.
*
* This file is copyright under the latest version of the EUPL.
* Please see LICENSE file for your rights under this license. */
function testFTL()
{
$ret = shell_exec("pidof pihole-FTL");
return intval($ret);
}
function connectFTL($address, $port=4711, $quiet=true)
{
$timeout = 3;
if(!$quiet)
{
echo "Attempting to connect to '$address' on port '$port'...\n";
}
if($address == "127.0.0.1")
{
// Read port
$portfile = file_get_contents("/var/run/pihole-FTL.port");
if(is_numeric($portfile))
$port = intval($portfile);
}
// Create a TCP/IP socket
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)
or die("socket_create() failed: reason: " . socket_strerror(socket_last_error()) . "\n");
socket_set_nonblock($socket) or die("Unable to set nonblock on socket\n");
$time = time();
while (!@socket_connect($socket, $address, $port))
{
$err = socket_last_error($socket);
if ($err == 115 || $err == 114)
{
if ((time() - $time) >= $timeout)
{
socket_close($socket);
die("Connection timed out.\n");
}
// Wait for 1 millisecond
usleep(1000);
continue;
}
die(socket_strerror($err) . "\n");
}
socket_set_block($socket) or die("Unable to set block on socket\n");
// Set timeout to 3 seconds
socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, ['sec'=>$timeout, 'usec'=>0]);
socket_set_option($socket, SOL_SOCKET, SO_SNDTIMEO, ['sec'=>$timeout, 'usec'=>0]);
if(!$quiet)
{
echo "Success!\n\n";
}
return $socket;
}
function sendRequestFTL($requestin, $quiet=true)
{
global $socket;
$request = ">".$requestin;
if(!$quiet)
{
echo "Sending request (".$request.")...\n";
}
socket_write($socket, $request, strlen($request)) or die("Could not send data to server\n");
if(!$quiet)
{
echo "OK.\n";
}
}
function getResponseFTL($quiet=true)
{
global $socket;
if(!$quiet)
{
echo "Reading response:\n";
}
$response = [];
while(true)
{
$out = socket_read($socket, 2048, PHP_NORMAL_READ);
if(!$quiet)
{
echo $out;
}
if(strrpos($out,"---EOM---") !== false)
{
break;
}
$out = rtrim($out);
if(strlen($out) > 0)
{
$response[] = $out;
}
}
return $response;
}
function disconnectFTL($quiet=true)
{
global $socket;
if(!$quiet)
{
echo "Closing socket...";
}
socket_close($socket);
if(!$quiet)
{
echo "OK.\n\n";
}
}
?>