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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** |
| 6 | * Clansuite Server Query |
| 7 | * |
| 8 | * SPDX-FileCopyrightText: 2003-2025 Jens A. Koch |
| 9 | * SPDX-License-Identifier: MIT |
| 10 | * |
| 11 | * For the full copyright and license information, please view |
| 12 | * the LICENSE file that was distributed with this source code. |
| 13 | */ |
| 14 | |
| 15 | namespace Clansuite\ServerQuery\ServerProtocols; |
| 16 | |
| 17 | use function count; |
| 18 | use function explode; |
| 19 | use function is_numeric; |
| 20 | use function is_scalar; |
| 21 | use function ord; |
| 22 | use function preg_replace; |
| 23 | use function strtolower; |
| 24 | use function substr; |
| 25 | use Override; |
| 26 | |
| 27 | /** |
| 28 | * This class implements the protocol used by Half-Life 2. |
| 29 | */ |
| 30 | class Halflife2 extends Halflife |
| 31 | { |
| 32 | /** |
| 33 | * Protocol name. |
| 34 | */ |
| 35 | public string $name = 'Half-Life 2'; |
| 36 | |
| 37 | /** |
| 38 | * Protocol identifier. |
| 39 | */ |
| 40 | public string $protocol = 'Halflife2'; |
| 41 | |
| 42 | /** |
| 43 | * Game series. |
| 44 | * |
| 45 | * @var array<string> |
| 46 | */ |
| 47 | public array $game_series_list = ['Half-Life']; |
| 48 | |
| 49 | /** |
| 50 | * List of supported games. |
| 51 | * |
| 52 | * @var array<string> |
| 53 | */ |
| 54 | public array $supportedGames = ['Half-Life 2']; |
| 55 | |
| 56 | /** |
| 57 | * query_server method. |
| 58 | */ |
| 59 | #[Override] |
| 60 | public function query_server(bool $getPlayers = true, bool $getRules = true): bool |
| 61 | { |
| 62 | if ($this->online) { |
| 63 | $this->reset(); |
| 64 | } |
| 65 | |
| 66 | $address = is_scalar($this->address) ? $this->address : ''; |
| 67 | $port = is_numeric($this->queryport) ? $this->queryport : 0; |
| 68 | |
| 69 | $command = "\xFF\xFF\xFF\xFFT"; |
| 70 | |
| 71 | if (($result = $this->sendCommand($address, $port, $command)) === '' || ($result = $this->sendCommand($address, $port, $command)) === '0' || ($result = $this->sendCommand($address, $port, $command)) === false) { |
| 72 | return false; |
| 73 | } |
| 74 | |
| 75 | $i = 5; // start after header |
| 76 | |
| 77 | $this->gameversion = (string) ord($result[5]); |
| 78 | $this->hostport = $this->queryport ?? 0; |
| 79 | |
| 80 | $basic = explode("\x00", substr($result, 6)); |
| 81 | |
| 82 | // XXX: Replace old code |
| 83 | $this->rules['gamedir'] = ''; |
| 84 | |
| 85 | if (isset($basic[0])) { |
| 86 | $this->servertitle = $basic[0]; |
| 87 | } |
| 88 | |
| 89 | if (isset($basic[1])) { |
| 90 | $this->mapname = $basic[1]; |
| 91 | } |
| 92 | |
| 93 | if (isset($basic[2])) { |
| 94 | $this->rules['gamedir'] = $basic[2]; |
| 95 | } |
| 96 | |
| 97 | $this->gamename = isset($basic[3]) ? preg_replace('/[ :]/', '_', strtolower($basic[3])) ?? '' : ''; |
| 98 | $this->rules['steamid'] = ord($result[$i]) | (ord($result[$i + 1]) << 8); |
| 99 | $i += 2; |
| 100 | $this->numplayers = ord(substr($result, $i++, 1)); |
| 101 | $this->maxplayers = ord(substr($result, $i++, 1)); |
| 102 | $this->rules['botplayers'] = ord(substr($result, $i++, 1)); |
| 103 | $this->rules['dedicated'] = ($result[$i++] === 'd' ? 'Yes' : 'No'); |
| 104 | $this->rules['server_os'] = ($result[$i++] === 'l' ? 'Linux' : 'Windows'); |
| 105 | $this->password = ord(substr($result, $i++, 1)); |
| 106 | $this->rules['secure'] = ($result[$i++] === '1' ? 'Yes' : 'No'); |
| 107 | |
| 108 | // Already normalized above |
| 109 | |
| 110 | // do rules |
| 111 | $command = "\xFF\xFF\xFF\xFFV"; |
| 112 | |
| 113 | if (($result = $this->sendCommand($address, $port, $command)) === '' || ($result = $this->sendCommand($address, $port, $command)) === '0' || ($result = $this->sendCommand($address, $port, $command)) === false) { |
| 114 | return false; |
| 115 | } |
| 116 | |
| 117 | $exploded_data = explode("\x00", $result); |
| 118 | |
| 119 | $z = count($exploded_data); |
| 120 | |
| 121 | $i = 1; |
| 122 | |
| 123 | while ($i < $z) { |
| 124 | $key = $exploded_data[$i++] ?? ''; |
| 125 | $value = $exploded_data[$i++] ?? ''; |
| 126 | |
| 127 | switch ($key) { |
| 128 | case 'sv_password': |
| 129 | $this->password = (int) $value; |
| 130 | |
| 131 | break; |
| 132 | |
| 133 | case 'deathmatch': |
| 134 | if ($value === '1') { |
| 135 | $this->gametype = 'Deathmatch'; |
| 136 | } |
| 137 | |
| 138 | break; |
| 139 | |
| 140 | case 'coop': |
| 141 | if ($value === '1') { |
| 142 | $this->gametype = 'Cooperative'; |
| 143 | } |
| 144 | |
| 145 | break; |
| 146 | |
| 147 | default: |
| 148 | $this->rules[$key] = $value; |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | if ($getPlayers) { |
| 153 | // do players |
| 154 | $command = "\xFF\xFF\xFF\xFFU"; |
| 155 | |
| 156 | if (($result = $this->sendCommand($address, $port, $command)) === '' || ($result = $this->sendCommand($address, $port, $command)) === '0' || ($result = $this->sendCommand($address, $port, $command)) === false) { |
| 157 | return false; |
| 158 | } |
| 159 | |
| 160 | $this->processPlayers($result, $this->playerFormat, 8); |
| 161 | |
| 162 | $this->playerkeys['name'] = true; |
| 163 | $this->playerkeys['score'] = true; |
| 164 | $this->playerkeys['time'] = true; |
| 165 | } |
| 166 | |
| 167 | $this->online = true; |
| 168 | |
| 169 | return true; |
| 170 | } |
| 171 | } |