Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
0.00% |
0 / 123 |
|
0.00% |
0 / 12 |
CRAP | |
0.00% |
0 / 1 |
| Bc2 | |
0.00% |
0 / 123 |
|
0.00% |
0 / 12 |
2652 | |
0.00% |
0 / 1 |
| __construct | |
0.00% |
0 / 1 |
|
0.00% |
0 / 1 |
2 | |||
| getNativeJoinURI | |
0.00% |
0 / 1 |
|
0.00% |
0 / 1 |
2 | |||
| query_server | |
0.00% |
0 / 27 |
|
0.00% |
0 / 1 |
42 | |||
| query | |
0.00% |
0 / 18 |
|
0.00% |
0 / 1 |
2 | |||
| getProtocolName | |
0.00% |
0 / 1 |
|
0.00% |
0 / 1 |
2 | |||
| getVersion | |
0.00% |
0 / 1 |
|
0.00% |
0 / 1 |
2 | |||
| tcpQuery | |
0.00% |
0 / 18 |
|
0.00% |
0 / 1 |
56 | |||
| getPacket | |
0.00% |
0 / 6 |
|
0.00% |
0 / 1 |
30 | |||
| decodePacket | |
0.00% |
0 / 21 |
|
0.00% |
0 / 1 |
72 | |||
| parseServerInfo | |
0.00% |
0 / 27 |
|
0.00% |
0 / 1 |
342 | |||
| parsePlayers | |
0.00% |
0 / 1 |
|
0.00% |
0 / 1 |
2 | |||
| parseVersion | |
0.00% |
0 / 1 |
|
0.00% |
0 / 1 |
2 | |||
| 1 | <?php declare(strict_types=1); |
| 2 | |
| 3 | /** |
| 4 | * Clansuite Server Query |
| 5 | * |
| 6 | * SPDX-FileCopyrightText: 2003-2025 Jens A. Koch |
| 7 | * SPDX-License-Identifier: MIT |
| 8 | * |
| 9 | * For the full copyright and license information, please view |
| 10 | * the LICENSE file that was distributed with this source code. |
| 11 | */ |
| 12 | |
| 13 | namespace Clansuite\ServerQuery\ServerProtocols; |
| 14 | |
| 15 | use function count; |
| 16 | use function fclose; |
| 17 | use function fread; |
| 18 | use function fsockopen; |
| 19 | use function fwrite; |
| 20 | use function is_float; |
| 21 | use function is_int; |
| 22 | use function is_numeric; |
| 23 | use function is_string; |
| 24 | use function stream_set_blocking; |
| 25 | use function stream_set_timeout; |
| 26 | use function strlen; |
| 27 | use function substr; |
| 28 | use function time; |
| 29 | use function unpack; |
| 30 | use Clansuite\Capture\Protocol\ProtocolInterface; |
| 31 | use Clansuite\Capture\ServerAddress; |
| 32 | use Clansuite\Capture\ServerInfo; |
| 33 | use Clansuite\ServerQuery\CSQuery; |
| 34 | use LogicException; |
| 35 | use Override; |
| 36 | |
| 37 | /** |
| 38 | * Implements the query protocol for Battlefield: Bad Company 2 servers. |
| 39 | * Handles server queries, player information retrieval, and game-specific data parsing. |
| 40 | */ |
| 41 | class Bc2 extends CSQuery implements ProtocolInterface |
| 42 | { |
| 43 | /** |
| 44 | * Real game host (may differ from query host). |
| 45 | */ |
| 46 | public ?string $gameHost = null; |
| 47 | |
| 48 | /** |
| 49 | * Real game port (may differ from query port). |
| 50 | */ |
| 51 | public ?int $gamePort = null; |
| 52 | |
| 53 | /** |
| 54 | * Protocol name. |
| 55 | */ |
| 56 | public string $name = 'Battlefield Bad Company 2'; |
| 57 | |
| 58 | /** |
| 59 | * List of supported games. |
| 60 | * |
| 61 | * @var array<string> |
| 62 | */ |
| 63 | public array $supportedGames = ['Battlefield Bad Company 2']; |
| 64 | |
| 65 | /** |
| 66 | * Protocol identifier. |
| 67 | */ |
| 68 | public string $protocol = 'bc2'; |
| 69 | protected int $port_diff = 29321; |
| 70 | |
| 71 | /** |
| 72 | * Constructor. |
| 73 | */ |
| 74 | public function __construct(?string $address = null, ?int $queryport = null) |
| 75 | { |
| 76 | parent::__construct($address, $queryport); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Returns a native join URI for BC2 or false if not available. |
| 81 | */ |
| 82 | #[Override] |
| 83 | public function getNativeJoinURI(): false|string |
| 84 | { |
| 85 | return false; // BC2 doesn't have native join URI like BF4 |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * query_server method. |
| 90 | */ |
| 91 | #[Override] |
| 92 | public function query_server(bool $getPlayers = true, bool $getRules = true): bool |
| 93 | { |
| 94 | if ($this->online) { |
| 95 | $this->reset(); |
| 96 | } |
| 97 | |
| 98 | $queryPort = ($this->queryport ?? 0) + $this->port_diff; |
| 99 | |
| 100 | // Attempt TCP query to client_port + 29321 (BC2 convention) |
| 101 | $errno = 0; |
| 102 | $errstr = ''; |
| 103 | $address = $this->address ?? ''; |
| 104 | $fp = @fsockopen($address, $queryPort, $errno, $errstr, 5); |
| 105 | |
| 106 | if ($fp === false) { |
| 107 | $this->errstr = 'Unable to open TCP socket to BC2 query port'; |
| 108 | |
| 109 | return false; |
| 110 | } |
| 111 | stream_set_blocking($fp, true); |
| 112 | stream_set_timeout($fp, 5); |
| 113 | |
| 114 | // serverInfo |
| 115 | $info = $this->tcpQuery($fp, 'serverInfo'); |
| 116 | |
| 117 | if ($info === false) { |
| 118 | fclose($fp); |
| 119 | $this->errstr = 'No BC2 serverInfo response'; |
| 120 | |
| 121 | return false; |
| 122 | } |
| 123 | |
| 124 | // parse serverInfo |
| 125 | $this->parseServerInfo($info); |
| 126 | $players = $this->tcpQuery($fp, 'listPlayers'); |
| 127 | |
| 128 | if ($players !== false) { |
| 129 | $this->parsePlayers($players); |
| 130 | } |
| 131 | |
| 132 | // version |
| 133 | $ver = $this->tcpQuery($fp, 'version'); |
| 134 | |
| 135 | if ($ver !== false) { |
| 136 | $this->parseVersion($ver); |
| 137 | } |
| 138 | |
| 139 | fclose($fp); |
| 140 | $this->online = true; |
| 141 | |
| 142 | return true; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * query method. |
| 147 | */ |
| 148 | #[Override] |
| 149 | public function query(ServerAddress $addr): ServerInfo |
| 150 | { |
| 151 | $this->address = $addr->ip; |
| 152 | $this->queryport = $addr->port; |
| 153 | $this->query_server(true, true); |
| 154 | |
| 155 | return new ServerInfo( |
| 156 | address: $this->address, |
| 157 | queryport: $this->queryport, |
| 158 | online: $this->online, |
| 159 | gamename: $this->gamename, |
| 160 | gameversion: $this->gameversion, |
| 161 | servertitle: $this->servertitle, |
| 162 | mapname: $this->mapname, |
| 163 | gametype: $this->gametype, |
| 164 | numplayers: $this->numplayers, |
| 165 | maxplayers: $this->maxplayers, |
| 166 | rules: $this->rules, |
| 167 | players: $this->players, |
| 168 | errstr: $this->errstr, |
| 169 | ); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * getProtocolName method. |
| 174 | */ |
| 175 | #[Override] |
| 176 | public function getProtocolName(): string |
| 177 | { |
| 178 | return 'bc2'; |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * getVersion method. |
| 183 | */ |
| 184 | #[Override] |
| 185 | public function getVersion(ServerInfo $info): string |
| 186 | { |
| 187 | return $info->gameversion ?? 'unknown'; |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * @param resource $fp |
| 192 | * |
| 193 | * @return array<mixed>|false |
| 194 | */ |
| 195 | private function tcpQuery(mixed $fp, string $command): array|false |
| 196 | { |
| 197 | $packet = $this->getPacket($command); |
| 198 | $written = fwrite($fp, $packet); |
| 199 | |
| 200 | if ($written === false) { |
| 201 | return false; |
| 202 | } |
| 203 | |
| 204 | $buf = ''; |
| 205 | $start = time(); |
| 206 | |
| 207 | while (true) { |
| 208 | $chunk = fread($fp, 8192); |
| 209 | |
| 210 | if ($chunk === false) { |
| 211 | break; |
| 212 | } |
| 213 | |
| 214 | if ($chunk !== '') { |
| 215 | $buf .= $chunk; |
| 216 | } |
| 217 | |
| 218 | $decoded = $this->decodePacket($buf); |
| 219 | |
| 220 | if ($decoded !== false) { |
| 221 | return $decoded; |
| 222 | } |
| 223 | |
| 224 | // timeout 2s |
| 225 | if ((time() - $start) > 2) { |
| 226 | break; |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | // If we get here, decoding hasn't produced a useful result yet. |
| 231 | // Returning false signals failure to caller consistent with the phpdoc. |
| 232 | return false; |
| 233 | } |
| 234 | |
| 235 | private function getPacket(string $command): string |
| 236 | { |
| 237 | return match ($command) { |
| 238 | 'version' => "\x00\x00\x00\x00\x18\x00\x00\x00\x01\x00\x00\x00\x07\x00\x00\x00version\x00", |
| 239 | 'serverInfo' => "\x00\x00\x00\x00\x1b\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x00\x00serverInfo\x00", |
| 240 | 'listPlayers' => "\x00\x00\x00\x00\x24\x00\x00\x00\x02\x00\x00\x00\x0b\x00\x00\x00listPlayers\x00\x03\x00\x00\x00\x61ll\x00", |
| 241 | default => '', |
| 242 | }; |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * Decode buffer into associative array or return false when incomplete/invalid. |
| 247 | * |
| 248 | * @return array<mixed>|false |
| 249 | */ |
| 250 | private function decodePacket(string $buffer): array|false |
| 251 | { |
| 252 | if (strlen($buffer) < 4) { |
| 253 | return false; |
| 254 | } |
| 255 | |
| 256 | $unpacked = unpack('V', $buffer); |
| 257 | |
| 258 | if ($unpacked === false) { |
| 259 | return false; |
| 260 | } |
| 261 | |
| 262 | /** @var array{1: int} $unpacked */ |
| 263 | $itemCount = isset($unpacked[1]) ? (int) $unpacked[1] : 0; |
| 264 | $ptr = 4; |
| 265 | $items = []; |
| 266 | |
| 267 | for ($i = 0; $i < $itemCount; $i++) { |
| 268 | if ($ptr + 4 > strlen($buffer)) { |
| 269 | return false; |
| 270 | } |
| 271 | $unpacked = unpack('V', substr($buffer, $ptr, 4)); |
| 272 | |
| 273 | if ($unpacked === false) { |
| 274 | return false; |
| 275 | } |
| 276 | |
| 277 | /** @var array{1: int} $unpacked */ |
| 278 | $len = $unpacked[1]; |
| 279 | $ptr += 4; |
| 280 | |
| 281 | if ($ptr + $len > strlen($buffer)) { |
| 282 | return false; |
| 283 | } |
| 284 | $items[] = substr($buffer, $ptr, $len); |
| 285 | $ptr += $len; |
| 286 | } |
| 287 | |
| 288 | return $items; |
| 289 | } |
| 290 | |
| 291 | /** |
| 292 | * @param array<mixed> $info |
| 293 | */ |
| 294 | private function parseServerInfo(array $info): void |
| 295 | { |
| 296 | if (count($info) < 9) { |
| 297 | return; |
| 298 | } |
| 299 | |
| 300 | $this->playerteams = []; |
| 301 | |
| 302 | $st = $info[1] ?? null; |
| 303 | $this->servertitle = is_string($st) ? $st : ''; |
| 304 | |
| 305 | $np = $info[2] ?? null; |
| 306 | $this->numplayers = is_int($np) ? $np : (is_numeric($np) ? (int) $np : 0); |
| 307 | |
| 308 | $mp = $info[3] ?? null; |
| 309 | $this->maxplayers = is_int($mp) ? $mp : (is_numeric($mp) ? (int) $mp : 0); |
| 310 | |
| 311 | $gt = $info[4] ?? null; |
| 312 | $this->gametype = is_string($gt) ? $gt : ''; |
| 313 | |
| 314 | $mn = $info[5] ?? null; |
| 315 | $this->mapname = is_string($mn) ? $mn : ''; |
| 316 | |
| 317 | $idx = 9; |
| 318 | $tc = $info[8] ?? null; |
| 319 | $teamCount = is_int($tc) ? $tc : (is_numeric($tc) ? (int) $tc : 0); |
| 320 | |
| 321 | for ($i = 0; $i < $teamCount; $i++) { |
| 322 | $tval = $info[$idx++] ?? null; |
| 323 | $tickets = is_float($tval) ? $tval : (is_numeric($tval) ? (float) $tval : 0.0); |
| 324 | $this->playerteams[] = ['tickets' => $tickets]; |
| 325 | } |
| 326 | |
| 327 | $tsVal = $info[$idx++] ?? null; |
| 328 | $this->rules['targetscore'] = is_int($tsVal) ? $tsVal : (is_numeric($tsVal) ? (int) $tsVal : 0); |
| 329 | |
| 330 | $this->rules['ranked'] = (($info[$idx + 1] ?? '') === 'true'); |
| 331 | $this->rules['punkbuster'] = (($info[$idx + 2] ?? '') === 'true'); |
| 332 | $this->rules['password'] = (($info[$idx + 3] ?? '') === 'true'); |
| 333 | |
| 334 | $uptVal = $info[$idx + 4] ?? null; |
| 335 | $this->rules['uptime'] = is_int($uptVal) ? $uptVal : (is_numeric($uptVal) ? (int) $uptVal : 0); |
| 336 | } |
| 337 | |
| 338 | /** |
| 339 | * @param array<mixed> $players |
| 340 | */ |
| 341 | private function parsePlayers(array $players): void |
| 342 | { |
| 343 | // TODO: implement player parsing |
| 344 | throw new LogicException('Not implemented yet.'); |
| 345 | } |
| 346 | |
| 347 | /** |
| 348 | * @param array<mixed> $version |
| 349 | */ |
| 350 | private function parseVersion(array $version): void |
| 351 | { |
| 352 | // TODO: implement version parsing |
| 353 | throw new LogicException('Not implemented yet.'); |
| 354 | } |
| 355 | } |