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<?php
// bzfquery.php
// based on bzflist.php
//
// original by D. John <g33k@despammed.com>
// php native code by Tim Riker <Tim@Rikers.org>
// updated by blast007 <blast007@users.sourceforge.net>
//
// Copyright (c) 1993-2025 Tim Riker
//
// This package is free software; you can redistribute it and/or
// modify it under the terms of the license found in the file
// named COPYING that should have accompanied this file.
//
// THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// This is a simple script that reports current public servers
// and creates links to server stats.
////////////////////////////////////
// THIS IS THE FUNCTION YOU RUN //
/////////////////////////////////////////////////////////
//
// Run this function like this:
// $data = bzfquery("someserver.com:5154");
// where 'someserver.com' is the server address and 5154 is the server port.
// This will return an array that contains a list of server settings, players,
// player scores, and team scores.
define("MsgQueryGame", 0x7167); // 'qg'
define("MsgQueryPlayers", 0x7170); // 'qp'
define("MsgTeamUpdate", 0x7475); // 'tu'
define("MsgAddPlayer", 0x6170); // 'ap'
$GLOBALS['debug'] = false;
function readpacket(&$fp) {
$loop = 0;
$data = '';
while (strlen($data) < 4 && $loop < 8) {
$data .= fread($fp, 4 - strlen($data));
$loop++;
}
if (strlen($data) != 4) return false;
$return = unpack("nlen/ncode", $data);
$loop = 0;
$data = '';
while (strlen($data) < $return['len'] && $loop < 64) {
$data .= fread($fp, $return['len'] - strlen($data));
$loop++;
}
$return['data'] = $data;
return $return;
}
function bzfquery ($hostport) {
list($server['host'], $server['port']) = split(":", $hostport, 2);
$protocol = 'tcp';
$get_prot = getprotobyname($protocol);
if ($get_prot == -1) {
// if nothing found, returns -1
echo 'Invalid Protocol';
return $server;
}
if (!$server['port']) {
$server['port'] = 5154;
} elseif (!ctype_digit($server['port'])) {
$server['port'] = getservbyname($server['port'], $protocol);
}
$server['ip'] = gethostbyname($server['host']);
$fp = fsockopen($server['host'], $server['port'], $errno, $errstr, 5);
if (!$fp) {
echo "$errstr ($errno)\n";
return $server;
}
fwrite($fp, "BZFLAG\r\n\r\n");
$buffer=fread($fp, 9);
//var_dump($buffer);
if (strlen($buffer) != 9) {
echo "not a bzflag server";
return $server;
}
# parse reply
$server += unpack("a4magic/a4protocol/Cid", $buffer);
//var_dump($server);
if ($server['magic'] != "BZFS") {
echo "not a bzflag server\n";
fclose($fp);
return $server;
}
if ($server['protocol'] != '0221') {
echo "incompatible version\n";
fclose($fp);
return $server;
}
# MsgQueryGame + MsgQueryPlayers
$request = pack("n2", 0, 0x7167);
$request .= pack("n2", 0, 0x7170);
//var_dump($request);
fwrite($fp, $request);
$loop = 0;
$have = Array();
$have['QueryGame'] = false;
$have['QueryPlayers'] = false;
$have['TeamUpdate'] = false;
$have['AllAddPlayer'] = false;
while (in_array(false, $have) && $loop < 64) {
$loop++;
$packet = readpacket($fp);
if ($GLOBALS['debug']) {
echo "Length: " . $packet['len'] . "\n";
echo "Code: " . $packet['code'] . " (" . dechex($packet['code']) . ") [" . chr(hexdec(substr(dechex($packet['code']), 0, 2))) . chr(hexdec(substr(dechex($packet['code']), 2, 2))) . "]\n";
echo "Data: " . $packet['data'] . "\n\n";
}
switch ($packet['code']) {
case MsgQueryGame:
$server += unpack("ngameStyle/ngameOptions/nmaxPlayers/nmaxShots/nrogueSize/nredSize/ngreenSize/nblueSize/npurpleSize/nobserverSize/nrogueMax/nredMax/ngreenMax/nblueMax/npurpleMax/nobserverMax/nshakeWins/nshakeTimeout/nmaxPlayerScore/nmaxTeamScore/nmaxTime/ntimeElapsed", $packet['data']);
$have['QueryGame'] = true;
break;
case MsgQueryPlayers:
$server += unpack("nnumTotalTeams/nnumPlayers", $packet['data']);
unset($server['numTotalTeams']);
$have['QueryPlayers'] = true;
if ($server['numPlayers'] == 0) $have['AllAddPlayer'] = true;
break;
case MsgTeamUpdate:
$server += unpack("CnumTeams", $packet['data']);
$packet['data'] = substr($packet['data'], 1);
for ( $team = 0; $team < $server['numTeams']; $team++ ) {
$server['team'][$team] = unpack("nnum/nsize/nwon/nlost", $packet['data']);
$packet['data'] = substr($packet['data'], 8);
}
$have['TeamUpdate'] = true;
break;
case MsgAddPlayer:
$player = unpack("Cid/ntype/nteam/nwon/nlost/ntks/a32sign/a128motto", $packet['data']);
$server['player'][ $player['id'] ] = $player;
if (sizeof($server['player']) >= $server['numPlayers']) $have['AllAddPlayer'] = true;
break;
}
}
fclose($fp);
return $server;
}
function bzfdump ($server) {
if ($server['protocol'] != '0221')
return;
$styles = Array('TeamFFA', 'ClassicCTF', 'OpenFFA', 'RabbitChase');
echo $server['host'] . ":" . $server['port'] . " (" . $server['ip'] . ")\n";
echo "gameStyle: ".$styles[$server['gameStyle']]."\n";
echo "gameOptions:"; # must mirror enum GameOptions in global.h
if ($server['gameOptions'] & 0x0002) echo " flags";
if ($server['gameOptions'] & 0x0008) echo " jumping";
if ($server['gameOptions'] & 0x0010) echo " inertia";
if ($server['gameOptions'] & 0x0020) echo " ricochet";
if ($server['gameOptions'] & 0x0040) echo " shaking";
if ($server['gameOptions'] & 0x0080) echo " antidote";
if ($server['gameOptions'] & 0x0100) echo " handicap";
if ($server['gameOptions'] & 0x0400) echo " no-team-kills";
echo "\n";
echo "maxPlayers: " . $server['maxPlayers'] . "\n";
echo "maxShots: " . $server['maxShots'] . "\n";
echo "team sizes: " . $server['rogueSize'] . " " .
$server['redSize'] . " " . $server['greenSize'] . " " .
$server['blueSize'] . " " . $server['purpleSize'] . " " . $server['observerSize'] .
" (rogue red green blue purple observer)\n";
echo "max sizes: " . $server['rogueMax'] . " " .
$server['redMax'] . " " . $server['greenMax'] . " " .
$server['blueMax'] . " " . $server['purpleMax'] . " " . $server['observerMax'] . "\n";
if ($server['gameOptions'] & 0x0040) {
echo "wins to shake bad flag: " . $server['shakeWins'] . "\n";
echo "time to shake bad flag: " . $server['shakeTimeout'] / 10 . "\n";
}
echo "max player score: " . $server['maxPlayerScore'] . "\n";
echo "max team score: " . $server['maxTeamScore'] . "\n";
echo "max time: " . $server['maxTime'] . " seconds\n";
$teamName = array(0=>"Rogue", 1=>"Red", 2=>"Green", 3=>"Blue", 4=>"Purple", 5=>"Observer", 6=>"Rabbit");
for ( $team = 0; $team < $server['numTeams']; $team++ ) {
echo $teamName[$team] . " team: "
. $server['team'][$team]['size'] . " players, "
. "score: " . ($server['team'][$team]['won'] - $server['team'][$team]['lost'])
. " (" . $server['team'][$team]['won'] . " wins, "
. $server['team'][$team]['lost'] . " losses)\n";
}
echo "\n";
$playerType = array(0=>"tank", 1=>"observer", 2=>"robot tank");
for ( $player = 0; $player < $server['numPlayers']; $player++ ) {
echo "player " . $server['player'][$player]['sign']
. " (" . $teamName[$server['player'][$player]['team']]
. " team) is a " . $playerType[$server['player'][$player]['type']] . ":\n";
echo " score: " . ( $server['player'][$player]['won'] - $server['player'][$player]['lost'] )
. " (" . $server['player'][$player]['won']
. " wins, " . $server['player'][$player]['lost'] . " losses)\n";
echo " " . $server['player'][$player]['motto'] . "\n";
}
}
# Local Variables: ***
# mode: php ***
# tab-width: 8 ***
# c-basic-offset: 2 ***
# indent-tabs-mode: t ***
# End: ***
# ex: shiftwidth=2 tabstop=8
?>
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