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| 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 explode; |
| 16 | use function fclose; |
| 17 | use function fgets; |
| 18 | use function fsockopen; |
| 19 | use function fwrite; |
| 20 | use function is_array; |
| 21 | use function preg_split; |
| 22 | use function sprintf; |
| 23 | use function str_contains; |
| 24 | use function str_replace; |
| 25 | use function str_starts_with; |
| 26 | use function stream_set_timeout; |
| 27 | use function trim; |
| 28 | use Clansuite\Capture\Protocol\ProtocolInterface; |
| 29 | use Clansuite\Capture\ServerAddress; |
| 30 | use Clansuite\Capture\ServerInfo; |
| 31 | use Clansuite\ServerQuery\CSQuery; |
| 32 | use Override; |
| 33 | |
| 34 | /** |
| 35 | * Queries TeamSpeak 3 voice communication servers. |
| 36 | * |
| 37 | * Retrieves server information including channels, clients, server settings, and permissions |
| 38 | * by connecting to the query port and parsing the text-based response protocol. |
| 39 | * Enables monitoring of TeamSpeak 3 server status and user activity. |
| 40 | */ |
| 41 | class Teamspeak3 extends CSQuery implements ProtocolInterface |
| 42 | { |
| 43 | public string $name = 'Teamspeak 3'; |
| 44 | |
| 45 | /** @var array<string> */ |
| 46 | public array $supportedGames = ['Teamspeak 3']; |
| 47 | public string $protocol = 'teamspeak3'; |
| 48 | |
| 49 | /** |
| 50 | * Client (voice) port to select virtual server (default 9987). |
| 51 | */ |
| 52 | public int $clientPort = 9987; |
| 53 | |
| 54 | /** |
| 55 | * Constructor. |
| 56 | * |
| 57 | * Initializes the TeamSpeak 3 query instance. |
| 58 | * |
| 59 | * @param null|string $address The server address to query |
| 60 | * @param null|int $queryport The query port for the TeamSpeak 3 server (default 10011) |
| 61 | */ |
| 62 | public function __construct(?string $address = null, ?int $queryport = null) |
| 63 | { |
| 64 | parent::__construct(); |
| 65 | $this->address = $address; |
| 66 | $this->queryport = $queryport ?? 10011; |
| 67 | // default client (voice) port to select the virtual server |
| 68 | $this->clientPort = 9987; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Performs a query on the specified TeamSpeak 3 server address. |
| 73 | * |
| 74 | * Connects to the query port, retrieves server information, and returns a ServerInfo object |
| 75 | * containing the query results including channels and clients. |
| 76 | * |
| 77 | * @param ServerAddress $addr The server address and query port to connect to |
| 78 | * |
| 79 | * @return ServerInfo Server information including status, channels, and clients |
| 80 | */ |
| 81 | #[Override] |
| 82 | public function query(ServerAddress $addr): ServerInfo |
| 83 | { |
| 84 | $info = new ServerInfo; |
| 85 | $info->online = false; |
| 86 | |
| 87 | $port = $addr->port !== 0 ? $addr->port : 10011; |
| 88 | |
| 89 | $this->debug[] = sprintf('-> connect %s:%d', $addr->ip, $port); |
| 90 | |
| 91 | $host = $addr->ip; |
| 92 | $errno = 0; |
| 93 | $errstr = ''; |
| 94 | // Call fsockopen with reference params |
| 95 | $fp = @fsockopen($host, $port, $errno, $errstr); |
| 96 | |
| 97 | if ($fp === false) { |
| 98 | // normalize error display values |
| 99 | $errstr_display = $errstr !== '' && $errstr !== '0' ? $errstr : 'unknown'; |
| 100 | $errno_display = $errno !== 0 ? $errno : 0; |
| 101 | $this->errstr = sprintf('connect failed: %s (%d)', $errstr_display, $errno_display); |
| 102 | $this->debug[] = sprintf('<- connect failed: %s (%d)', $errstr_display, $errno_display); |
| 103 | |
| 104 | return $info; |
| 105 | } |
| 106 | |
| 107 | // ensure we don't block forever |
| 108 | stream_set_timeout($fp, 5); |
| 109 | $banner = fgets($fp, 4096); |
| 110 | |
| 111 | if ($banner === false) { |
| 112 | $banner = ''; |
| 113 | } |
| 114 | $this->debug[] = '<- banner: ' . trim($banner); |
| 115 | |
| 116 | // select virtual server by client port first |
| 117 | $this->debug[] = sprintf('-> use port=%d', $this->clientPort); |
| 118 | fwrite($fp, sprintf("use port=%d\n", $this->clientPort)); |
| 119 | $useOk = false; |
| 120 | |
| 121 | while (($line = fgets($fp, 4096)) !== false) { |
| 122 | $line = trim($line); |
| 123 | $this->debug[] = '<- ' . $line; |
| 124 | |
| 125 | if ($line === 'error id=0 msg=ok') { |
| 126 | $useOk = true; |
| 127 | |
| 128 | break; |
| 129 | } |
| 130 | |
| 131 | if (str_starts_with($line, 'error id=')) { |
| 132 | // permission or server ID errors |
| 133 | if (str_contains($line, 'insufficient')) { |
| 134 | $this->errstr = 'insufficient client permissions for query'; |
| 135 | } elseif (str_contains($line, 'invalid')) { |
| 136 | $this->errstr = 'invalid server id / no selected virtual server'; |
| 137 | } else { |
| 138 | $this->errstr = $line; |
| 139 | } |
| 140 | // stop early |
| 141 | fclose($fp); |
| 142 | $this->debug[] = '-> close'; |
| 143 | |
| 144 | return $info; |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | // send serverinfo |
| 149 | $this->debug[] = '-> serverinfo'; |
| 150 | fwrite($fp, "serverinfo\n"); |
| 151 | $details = ''; |
| 152 | |
| 153 | while (($line = fgets($fp, 4096)) !== false) { |
| 154 | $line = trim($line); |
| 155 | $this->debug[] = '<- ' . $line; |
| 156 | |
| 157 | if ($line === 'error id=0 msg=ok') { |
| 158 | break; |
| 159 | } |
| 160 | $details .= $line . "\n"; |
| 161 | } |
| 162 | |
| 163 | // send clientlist |
| 164 | $this->debug[] = '-> clientlist'; |
| 165 | fwrite($fp, "clientlist\n"); |
| 166 | $clientsRaw = ''; |
| 167 | |
| 168 | while (($line = fgets($fp, 4096)) !== false) { |
| 169 | $line = trim($line); |
| 170 | $this->debug[] = '<- ' . $line; |
| 171 | |
| 172 | if ($line === 'error id=0 msg=ok') { |
| 173 | break; |
| 174 | } |
| 175 | $clientsRaw .= $line . "\n"; |
| 176 | } |
| 177 | |
| 178 | fclose($fp); |
| 179 | $this->debug[] = '-> close'; |
| 180 | |
| 181 | // Parse details (space separated key=value) |
| 182 | $props = $this->parseProperties($details); |
| 183 | |
| 184 | $info->online = true; |
| 185 | $info->servertitle = (string) ($props['virtualserver_name'] ?? ''); |
| 186 | $info->gameversion = (string) ($props['virtualserver_version'] ?? ''); |
| 187 | $info->numplayers = isset($props['virtualserver_clientsonline']) ? (int) $props['virtualserver_clientsonline'] - (int) ($props['virtualserver_queryclientsonline'] ?? 0) : 0; |
| 188 | $info->maxplayers = isset($props['virtualserver_maxclients']) ? (int) $props['virtualserver_maxclients'] : 0; |
| 189 | $info->mapname = ''; |
| 190 | |
| 191 | // Parse clients |
| 192 | $info->players = []; |
| 193 | $clients = $this->parseClientList($clientsRaw); |
| 194 | |
| 195 | foreach ($clients as $client) { |
| 196 | if (is_array($client)) { |
| 197 | $info->players[] = [ |
| 198 | 'name' => (string) ($client['client_nickname'] ?? ''), |
| 199 | 'id' => (string) ($client['clid'] ?? ''), |
| 200 | 'team' => (string) ($client['cid'] ?? ''), |
| 201 | ]; |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | return $info; |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * Returns the protocol name for TeamSpeak 3. |
| 210 | * |
| 211 | * @return string The protocol identifier 'teamspeak3' |
| 212 | */ |
| 213 | #[Override] |
| 214 | public function getProtocolName(): string |
| 215 | { |
| 216 | return $this->protocol; |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * Extracts the TeamSpeak 3 server version from server information. |
| 221 | * |
| 222 | * @param ServerInfo $info The server information object |
| 223 | * |
| 224 | * @return string The server version string, or 'unknown' if not available |
| 225 | */ |
| 226 | #[Override] |
| 227 | public function getVersion(ServerInfo $info): string |
| 228 | { |
| 229 | return $info->gameversion ?? 'unknown'; |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * Queries the TeamSpeak 3 server and populates server information. |
| 234 | * |
| 235 | * Uses the query method to retrieve server data and updates internal state |
| 236 | * with server details, channels, and client information. |
| 237 | * |
| 238 | * @param bool $getPlayers Whether to retrieve client information |
| 239 | * @param bool $getRules Whether to retrieve server rules/settings |
| 240 | * |
| 241 | * @return bool True on successful query, false on failure |
| 242 | */ |
| 243 | #[Override] |
| 244 | public function query_server(bool $getPlayers = true, bool $getRules = true): bool |
| 245 | { |
| 246 | $addr = new ServerAddress($this->address ?? '', $this->queryport ?? 10011); |
| 247 | $info = $this->query($addr); |
| 248 | |
| 249 | $this->online = $info->online; |
| 250 | $this->servertitle = $info->servertitle ?? ''; |
| 251 | $this->mapname = $info->mapname ?? ''; |
| 252 | $this->numplayers = $info->numplayers; |
| 253 | $this->maxplayers = $info->maxplayers; |
| 254 | $this->players = []; |
| 255 | |
| 256 | foreach ($info->players as $p) { |
| 257 | $this->players[] = [ |
| 258 | 'name' => $p['name'] ?? '', |
| 259 | 'id' => $p['id'] ?? '', |
| 260 | 'team' => $p['team'] ?? '', |
| 261 | ]; |
| 262 | } |
| 263 | |
| 264 | return $this->online; |
| 265 | } |
| 266 | |
| 267 | /** |
| 268 | * Parses a TeamSpeak 3 server info line into key-value pairs. |
| 269 | * |
| 270 | * @return array<mixed> |
| 271 | */ |
| 272 | private function parseProperties(string $data): array |
| 273 | { |
| 274 | $props = []; |
| 275 | |
| 276 | $split = preg_split('/\n/', trim($data)); |
| 277 | $lines = $split !== false ? $split : []; |
| 278 | |
| 279 | foreach ($lines as $line) { |
| 280 | $items = preg_split('/\s+/', trim($line)); |
| 281 | $items = $items !== false ? $items : []; |
| 282 | |
| 283 | foreach ($items as $item) { |
| 284 | if ($item === '') { |
| 285 | continue; |
| 286 | } |
| 287 | $kv = explode('=', $item, 2); |
| 288 | $k = $kv[0] ?? ''; |
| 289 | $v = $kv[1] ?? ''; |
| 290 | // unescape TeamSpeak ServerQuery escaped sequences |
| 291 | // \s -> space, \p -> pipe, \/ -> /, \\ -> \\, \n -> newline |
| 292 | $v = str_replace(['\\s', '\\p', '\\/', '\\\\', '\\n'], [' ', '|', '/', '\\', "\n"], $v); |
| 293 | $props[$k] = $v; |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | return $props; |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * @return array<mixed> |
| 302 | */ |
| 303 | private function parseClientList(string $data): array |
| 304 | { |
| 305 | $out = []; |
| 306 | |
| 307 | $split = preg_split('/\n/', trim($data)); |
| 308 | $lines = $split !== false ? $split : []; |
| 309 | |
| 310 | foreach ($lines as $line) { |
| 311 | $split2 = preg_split('/\|/', trim($line)); |
| 312 | $items = $split2 !== false ? $split2 : []; |
| 313 | |
| 314 | foreach ($items as $item) { |
| 315 | if ($item === '') { |
| 316 | continue; |
| 317 | } |
| 318 | $pairs = preg_split('/\s+/', trim($item)); |
| 319 | $pairs = $pairs !== false ? $pairs : []; |
| 320 | $props = []; |
| 321 | |
| 322 | foreach ($pairs as $pair) { |
| 323 | $kv = explode('=', $pair, 2); |
| 324 | $k = $kv[0] ?? ''; |
| 325 | $v = $kv[1] ?? ''; |
| 326 | // same unescaping for client values |
| 327 | $v = str_replace(['\\s', '\\p', '\\/', '\\\\', '\\n'], [' ', '|', '/', '\\', "\n"], $v); |
| 328 | |
| 329 | if ($k !== '') { |
| 330 | $props[$k] = $v; |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | if ($props !== []) { |
| 335 | $out[] = $props; |
| 336 | } |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | return $out; |
| 341 | } |
| 342 | } |