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@fbartels /wol.php Secret
Created Sep 4, 2013

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PHP Script to wake a defined system (WoL).
<?php
##################################################
## php WoL with port check - PRThomasUK. ##
## blog.pete-thomas.me.uk ##
##################################################
//
// ################## user variables... ##################
// Friendly name for device, example "My Computer".
$device = "NAS";
// IP address of device, example "x.x.x.x".
$deviceip = "192.168.178.11";
// TCP Port on device to check, example "3389" = RDP, "80" = WebServer.
$deviceport = "5000";1
// MAC address of NIC1 on device, example "00:00:00:00:00:00" or "00-00-00-00-00-00".
$devicemac1 = "xx:xx:xx:xx:xx:xx";
// MAC address of NIC2 on device, example "00:00:00:00:00:00" or "00-00-00-00-00-00". - Optional set to "" if NIC2 not required.
$devicemac2 = "";
// Number of times to attempt to connect to port on device after magic packet sent, example "10"
$maxtries = "10";
// Broadcast address of network, example ""x.x.x.x". ("255.255.255.255" works in most cases.)
$broadcast = "255.255.255.255";
// ICMP port number, default "7".
$udport = "7";
// Timeout value for re-tries (in seconds), default "10".
$timeout = "10";
// #######################################################
//
// ##### Read in variables from url #####
//
// $frame - used to determine which content to display when executed.
$frame = $_GET[ "frame" ];
// $tries - used to determine number of attempts at checking port beetween reloads, compared with maxtries.
$tries = $_GET[ "tries" ];
// $pageurl - obtain URL used to access file, used when creating frameset & setting reloads.
$pageurl = pageurl();
// Process variables used in frame2, increments tries & sets status to Success(1) or Failed(2)
if ( $frame == 2 ) {
processurl();
}
// ###### Functions ######
//
// function pageurl( ) - Returns URL of page via PHP variables.
function pageurl( )
{
$pageurl = "HTTP";
if ( $_SERVER[ "HTTPS" ] == "on" ) {
$pageurl .= "S";
}
$pageurl .= "://";
if ( $_SERVER[ "SERVER_PORT" ] != "80" ) {
$pageurl .= $_SERVER[ "SERVER_NAME" ] . ":" . $_SERVER[ "SERVER_PORT" ] . $_SERVER[ "REQUEST_URI" ];
} else {
$pageurl .= $_SERVER[ "SERVER_NAME" ] . $_SERVER[ "REQUEST_URI" ];
}
$urlarts = explode( "?", $pageurl );
$pageurl = $urlarts[ "0" ];
return $pageurl;
}
// function processurl( ) - Processes variables used in frame2, increments tries & sets status to Success(1) or Failed(2)
function processurl( )
{
global $status, $tries, $maxtries;
if ( $status == 0 && $tries < $maxtries - 1 ) {
$tries = $tries + 1;
} else {
$status = 2;
}
if ( portcheck() == 0 ) {
$status = 1;
}
}
// function wakeonlan() - Attempts to send WoL packet and returns outcome.
function wakeonlan( $device, $mac )
{
global $broadcast, $udport;
$mac = ereg_replace( "[^A-Za-z0-9]", ":", $mac );
$broadcast_byte = explode( ':', $mac );
$hw_addr = '';
for ( $a = 0; $a < 6; $a++ )
$hw_addr .= chr( hexdec( $broadcast_byte[ $a ] ) );
$msg = chr( 255 ) . chr( 255 ) . chr( 255 ) . chr( 255 ) . chr( 255 ) . chr( 255 );
for ( $a = 1; $a <= 16; $a++ )
$msg .= $hw_addr;
$s = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
if ( $s == false ) {
$content = "Error creating socket!\n";
} else {
// setting a broadcast option to socket:
$opt_ret = socket_set_option( $s, 1, 6, true );
if ( $opt_ret < 0 ) {
$content = "setsockopt() failed, error: " . strerror( $opt_ret ) . "\n";
}
if ( socket_sendto( $s, $msg, strlen( $msg ), 0, $broadcast, $udport ) ) {
$content = "WoL packet sent to mac address " . $mac . "...\n";
socket_close( $s );
} else {
$content = "Failed to send WoL packet!";
}
}
return $content;
}
// function portcheck( ) - Attempts to connect to TCP port on the device via a Socket, returns $errno.
function portcheck( )
{
global $deviceip, $deviceport;
$file = fsockopen( $deviceip, $deviceport, $errno, $errstr, 50 );
if ( $errno == 0 ) {
fclose( $file );
}
return $errno;
}
// function htmlheader( ) - Returns HTML Header for TITLE and if Frame2 REFRESH set.
function htmlheader( )
{
global $device, $frame, $tries, $maxtries, $status, $pageurl, $timeout;
// global "custom" header settings
$content = "<TITLE>Wake on Lan ($device)</TITLE>\n";
//generate refresh header for frame2.
if ( $frame == 2 && $status == 0 ) {
$content .= "<META HTTP-EQUIV=\"refresh\" CONTENT=\"$timeout;url=$pageurl?frame=$frame&tries=$tries\">\n";
}
return $content;
}
// function htmlheader( ) - Returns HTML content for mainpage, frame1 & frame2 based on value of $frame.
function htmlcontent( )
{
global $pageurl, $device, $deviceip, $deviceport, $devicemac1, $devicemac2, $frame, $tries, $maxtries, $status;
if ( $frame == 2 ) {
if ( $status == 0 ) {
$content = "<H3>$tries/$maxtries attempts to connect to $deviceip:$deviceport completed.</H3>\n";
} elseif ( $status == 1 ) {
$content = "<FONT COLOR=\"green\">\n";
$content .= "<H1>SUCCESS!!!</H1>\n";
$content .= "</FONT>\n";
$content .= "<H3>Connection made to $device ($deviceip:$deviceport).</H3>\n";
$content .= "<a href='../' target='_top'>back to the portal</a>";
} else {
$content = "<FONT COLOR=\"red\">\n";
$content .= "<H1>FAILED...</H1>\n";
$content .= "</FONT>\n";
$content .= "<H3>Unable to connect to $device ($deviceip:$deviceport).</H3>\n";
}
} elseif ( $frame == 1 ) {
$content = "<FONT COLOR=\"navy\">\n";
$content .= "<H1>Wake on Lan ($device)</H1>\n";
$content .= "</FONT>\n";
$content .= wakeonlan( $device, $devicemac1 );
if ( $devicemac2 ) {
$content .= "<BR>\n";
$content .= wakeonlan( $device, $devicemac2 );
}
} else {
$content = "<FRAMESET rows=\"130,*\" frameborder=0 border=0 framespacing=5>\n";
$content .= "<FRAME SRC=\"$pageurl?frame=1\">\n";
$content .= "<FRAME SRC=\"$pageurl?frame=2\">\n";
$content .= "<NOFRAMES>\n";
$content .= "<FONT COLOR=\"navy\">\n";
$content .= "<H1>Wake on Lan ($device)</H1>\n";
$content .= "</FONT>\n";
$content .= wakeonlan( $device, $devicemac1 );
if ( $devicemac2 ) {
$content .= "<BR>\n";
$content .= wakeonlan( $device, $devicemac2 );
}
$content .= "<BR>\n";
$content .= "<BR>\n";
$content .= "<FONT COLOR=\"red\">\n";
$content .= "<H2>Your browser does not support frames...</H2>\n";
$content .= "</FONT>\n";
$content .= "<H3>Status of $device will not be monitored!</H3>\n";
$content .= "</NOFRAMES>\n";
$content .= "</FRAMESET>\n";
}
return $content;
}
?>
<!doctype html public "-//w3c//dtd html 4.01 transitional//en" "http://www.w3.org/tr/html4/loose.dtd">
<HTML>
<HEAD>
<?php
echo htmlheader();
?>
<META NAME="author" CONTENT="Felix Bartels">
<META HTTP-EQUIV="content-type" CONTENT="text/html; charset=utf-8">
<META HTTP-EQUIV="cache-control" CONTENT="no-cache">
<META HTTP-EQUIV="pragma" CONTENT="no-cache">
<META NAME="robots" CONTENT="none">
<META NAME="rating" CONTENT="safe for kids">
</HEAD>
<?php
echo htmlcontent();
?>
</HTML>
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