From 53cae06b12e9dca222dabfb0a5c249de62050611 Mon Sep 17 00:00:00 2001 From: xPaw Date: Fri, 6 Apr 2012 15:48:39 +0300 Subject: [PATCH] v2 --- README.md | 29 ++ SourceQuery.class.php | 816 ++++++++++++++++++++++++++++++++++++++++++ View.php | 146 ++++++++ 3 files changed, 991 insertions(+) create mode 100644 README.md create mode 100644 SourceQuery.class.php create mode 100644 View.php diff --git a/README.md b/README.md new file mode 100644 index 0000000..d8f2e93 --- /dev/null +++ b/README.md @@ -0,0 +1,29 @@ +PHP SourceQuery +=============== + +### Description + +This class was created to query servers that use 'Source Query' protocol, for games like HL1, HL2, The Ship, SiN 1, Rag Doll Kung Fu and more. + +This also works for **Call of Duty: Modern Warfare 3**, as it uses Source Query protocol as well. + +You can find protocol specifications here: http://developer.valvesoftware.com/wiki/Server_queries + +### Usage + +You can find easy examples on how to use it in `Test.php` file, or just run `view.php` + +### Functions + +Open connection to a server: `Connect( $IP, $Port );` + +Close connection: `Disconnect( );` + +Set rcon password for future use: `SetRconPassword( $RconPassword );` + +Execute Rcon command: `Rcon( $Command );` + +### License + +> *This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
+> To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/* \ No newline at end of file diff --git a/SourceQuery.class.php b/SourceQuery.class.php new file mode 100644 index 0000000..1a1503d --- /dev/null +++ b/SourceQuery.class.php @@ -0,0 +1,816 @@ +Buffer = new SourceQueryBuffer( ); + $this->Socket = new SourceQuerySocket( $this->Buffer ); + $this->Rcon = new SourceQueryRcon( $this->Buffer, $this->Socket ); + } + + public function __destruct( ) + { + $this->Disconnect( ); + } + + public function Connect( $Ip, $Port, $Timeout = 3, $Engine = -1 ) + { + $this->Disconnect( ); + $this->Buffer->Reset( ); + $this->Challenge = 0; + + if( $Engine == -1 ) + { + $Engine = self :: SOURCE; + + Trigger_Error( 'You should pass $Engine variable to Connect(), defaulting to Source.' ); + } + + if( !$this->Socket->Open( $Ip, (int)$Port, (int)$Timeout, (int)$Engine ) ) + { + throw new SourceQueryException( 'Can\'t connect to the server.' ); + } + + $this->Connected = true; + } + + public function Disconnect( ) + { + $this->Connected = false; + + $this->Socket->Close( ); + $this->Rcon->Close( ); + } + + public function Ping( ) + { + if( !$this->Connected ) + { + return false; + } + + $this->Socket->Write( self :: A2S_PING ); + $this->Socket->Read( ); + + return $this->Buffer->GetByte( ) == self :: S2A_PING; + } + + public function GetInfo( ) + { + if( !$this->Connected ) + { + return false; + } + + $this->Socket->Write( self :: A2S_INFO, "Source Engine Query\0" ); + $this->Socket->Read( ); + + $Type = $this->Buffer->GetByte( ); + + // Old GoldSource protocol, HLTV still uses it + if( $Type == self :: S2A_INFO_OLD && $this->Socket->Engine == self :: GOLDSOURCE ) + { + // If we try to read data again, and we get the result with type S2A_INFO (0x49) + // That means this server is running dproto, + // Because it sends answer for both protocols + + $Server[ 'Address' ] = $this->Buffer->GetString( ); + $Server[ 'HostName' ] = $this->Buffer->GetString( ); + $Server[ 'Map' ] = $this->Buffer->GetString( ); + $Server[ 'ModDir' ] = $this->Buffer->GetString( ); + $Server[ 'ModDesc' ] = $this->Buffer->GetString( ); + $Server[ 'Players' ] = $this->Buffer->GetByte( ); + $Server[ 'MaxPlayers' ] = $this->Buffer->GetByte( ); + $Server[ 'Protocol' ] = $this->Buffer->GetByte( ); + $Server[ 'Dedicated' ] = Chr( $this->Buffer->GetByte( ) ); + $Server[ 'Os' ] = Chr( $this->Buffer->GetByte( ) ); + $Server[ 'Password' ] = $this->Buffer->GetByte( ) == 1; + $Server[ 'IsMod' ] = $this->Buffer->GetByte( ) == 1; + + if( $Server[ 'IsMod' ] ) + { + $Mod[ 'Url' ] = $this->Buffer->GetString( ); + $Mod[ 'Download' ] = $this->Buffer->GetString( ); + $this->Buffer->Get( 1 ); // NULL byte + $Mod[ 'Version' ] = $this->Buffer->GetLong( ); + $Mod[ 'Size' ] = $this->Buffer->GetLong( ); + $Mod[ 'ServerSide' ] = $this->Buffer->GetByte( ) == 1; + $Mod[ 'CustomDLL' ] = $this->Buffer->GetByte( ) == 1; + } + + $Server[ 'Secure' ] = $this->Buffer->GetByte( ) == 1; + $Server[ 'Bots' ] = $this->Buffer->GetByte( ); + + if( isset( $Mod ) ) + { + $Server[ 'Mod' ] = $Mod; + } + + return $Server; + } + + if( $Type != self :: S2A_INFO ) + { + throw new SourceQueryException( 'GetInfo: Packet header mismatch. (' . $Type . ')' ); + } + + $Server[ 'Protocol' ] = $this->Buffer->GetByte( ); + $Server[ 'HostName' ] = $this->Buffer->GetString( ); + $Server[ 'Map' ] = $this->Buffer->GetString( ); + $Server[ 'ModDir' ] = $this->Buffer->GetString( ); + $Server[ 'ModDesc' ] = $this->Buffer->GetString( ); + $Server[ 'AppID' ] = $this->Buffer->GetShort( ); + $Server[ 'Players' ] = $this->Buffer->GetByte( ); + $Server[ 'MaxPlayers' ] = $this->Buffer->GetByte( ); + $Server[ 'Bots' ] = $this->Buffer->GetByte( ); + $Server[ 'Dedicated' ] = Chr( $this->Buffer->GetByte( ) ); + $Server[ 'Os' ] = Chr( $this->Buffer->GetByte( ) ); + $Server[ 'Password' ] = $this->Buffer->GetByte( ) == 1; + $Server[ 'Secure' ] = $this->Buffer->GetByte( ) == 1; + + // The Ship + if( $Server[ 'AppID' ] == 2400 ) + { + $Server[ 'GameMode' ] = $this->Buffer->GetByte( ); + $Server[ 'WitnessCount' ] = $this->Buffer->GetByte( ); + $Server[ 'WitnessTime' ] = $this->Buffer->GetByte( ); + } + + $Server[ 'Version' ] = $this->Buffer->GetString( ); + + // Extra Data Flags + if( $this->Buffer->Remaining( ) > 0 ) + { + $Flags = $this->Buffer->GetByte( ); + + // The server's game port + if( $Flags & 0x80 ) + { + $Server[ 'GamePort' ] = $this->Buffer->GetShort( ); + } + + // The server's SteamID - does this serve any purpose? + if( $Flags & 0x10 ) + { + $Server[ 'ServerID' ] = $this->Buffer->GetUnsignedLong( ) | ( $this->Buffer->GetUnsignedLong( ) << 32 ); + } + + // The spectator port and then the spectator server name + if( $Flags & 0x40 ) + { + $Server[ 'SpecPort' ] = $this->Buffer->GetShort( ); + $Server[ 'SpecName' ] = $this->Buffer->GetString( ); + } + + // The game tag data string for the server + if( $Flags & 0x20 ) + { + $Server[ 'GameTags' ] = $this->Buffer->GetString( ); + } + + // 0x01 - The server's 64-bit GameID + } + + return $Server; + } + + public function GetPlayers( ) + { + if( !$this->Connected || !$this->GetChallenge( ) ) + { + return false; + } + + $this->Socket->Write( self :: A2S_PLAYER, $this->GetChallenge( ) ); + $this->Socket->Read( ); + + $Type = $this->Buffer->GetByte( ); + + if( $Type != self :: S2A_PLAYER ) + { + throw new SourceQueryException( 'GetPlayers: Packet header mismatch. (' . $Type . ')' ); + } + + $Players = Array( ); + $Count = $this->Buffer->GetByte( ); + + while( $Count-- > 0 && $this->Buffer->Remaining( ) > 0 ) + { + $Player[ 'Id' ] = $this->Buffer->GetByte( ); // PlayerID, is it just always 0? + $Player[ 'Name' ] = $this->Buffer->GetString( ); + $Player[ 'Frags' ] = $this->Buffer->GetLong( ); + $Player[ 'Time' ] = (int)$this->Buffer->GetFloat( ); + $Player[ 'TimeF' ] = GMDate( ( $Player[ 'Time' ] > 3600 ? "H:i:s" : "i:s" ), $Player[ 'Time' ] ); + + $Players[ ] = $Player; + } + + return $Players; + } + + public function GetRules( ) + { + if( !$this->Connected || !$this->GetChallenge( ) ) + { + return false; + } + + $this->Socket->Write( self :: A2S_RULES, $this->GetChallenge( ) ); + $this->Socket->Read( ); + + $Type = $this->Buffer->GetByte( ); + + if( $Type != self :: S2A_RULES ) + { + throw new SourceQueryException( 'GetRules: Packet header mismatch. (' . $Type . ')' ); + } + + $Rules = Array( ); + $Count = $this->Buffer->GetShort( ); + + while( $Count-- > 0 && $this->Buffer->Remaining( ) > 0 ) + { + $Rule = $this->Buffer->GetString( ); + $Value = $this->Buffer->GetString( ); + + if( !Empty( $Rule ) ) + { + $Rules[ $Rule ] = $Value; + } + } + + return $Rules; + } + + private function GetChallenge( ) + { + if( $this->Challenge ) + { + return $this->Challenge; + } + + // A2S_GETCHALLENGE is broken + + $this->Socket->Write( self :: A2S_PLAYER, 0xFFFFFFFF ); + $this->Socket->Read( ); + + $Type = $this->Buffer->GetByte( ); + + if( $Type != self :: S2A_CHALLENGE ) + { + throw new SourceQueryException( 'GetChallenge: Packet header mismatch. (' . $Type . ')' ); + } + + // Let's keep it raw, instead of reading as long + $this->Challenge = $this->Buffer->Get( 4 ); + + return $this->Challenge; + } + + public function SetRconPassword( $Password ) + { + if( !$this->Connected ) + { + return false; + } + + $this->Rcon->Open( ); + + return $this->Rcon->Authorize( $Password ); + } + + public function Rcon( $Command ) + { + if( !$this->Connected ) + { + return false; + } + + return $this->Rcon->Command( $Command ); + } +} + +class SourceQuerySocket +{ + public $Socket; + public $Engine; + + public $Ip; + public $Port; + public $Timeout; + + private $Buffer; + + public function __construct( $Buffer ) + { + $this->Buffer = $Buffer; + } + + public function Close( ) + { + if( $this->Socket ) + { + FClose( $this->Socket ); + + $this->Socket = null; + } + } + + public function Open( $Ip, $Port, $Timeout, $Engine ) + { + $this->Timeout = $Timeout; + $this->Engine = $Engine; + $this->Port = $Port; + $this->Ip = $Ip; + + if( !( $this->Socket = FSockOpen( 'udp://' . $Ip, $Port ) ) ) + { + return false; + } + + Socket_Set_TimeOut( $this->Socket, $Timeout ); + + return true; + } + + public function Write( $Header, $String = '' ) + { + $Command = Pack( 'ccccca*', 0xFF, 0xFF, 0xFF, 0xFF, $Header, $String ); + $Length = StrLen( $Command ); + + return $Length === FWrite( $this->Socket, $Command, $Length ); + } + + public function Read( $Length = 1400 ) + { + $this->Buffer->Set( FRead( $this->Socket, $Length ) ); + + if( $this->Buffer->Remaining( ) > 0 && $this->Buffer->GetLong( ) == -2 ) + { + $Packets = Array( ); + $IsCompressed = false; + $ReadMore = false; + + do + { + $RequestID = $this->Buffer->GetLong( ); + + switch( $this->Engine ) + { + case SourceQuery :: GOLDSOURCE: + { + $PacketCountAndNumber = $this->Buffer->GetByte( ); + $PacketCount = $PacketCountAndNumber & 0xF; + $PacketNumber = $PacketCountAndNumber >> 4; + + break; + } + case SourceQuery :: SOURCE: + { + $IsCompressed = ( $RequestID & 0x80000000 ) != 0; + $PacketCount = $this->Buffer->GetByte( ); + $PacketNumber = $this->Buffer->GetByte( ) + 1; + + if( $IsCompressed ) + { + $this->Buffer->GetLong( ); // Split size + + $PacketChecksum = $this->Buffer->GetUnsignedLong( ); + } + else + { + $this->Buffer->GetShort( ); // Split size + } + + break; + } + } + + $Packets[ $PacketNumber ] = $this->Buffer->Get( ); + + $ReadMore = $PacketCount > sizeof( $Packets ); + } + while( $ReadMore && $this->Sherlock( $Length ) ); + + $Buffer = Implode( $Packets ); + + // TODO: Test this + if( $IsCompressed ) + { + $Data = bzdecompress( $Data ); + + if( CRC32( $Data ) != $PacketChecksum ) + { + throw new SourceQueryException( 'CRC32 checksum mismatch of uncompressed packet data.' ); + } + } + + $this->Buffer->Set( SubStr( $Buffer, 4 ) ); + } + } + + private function Sherlock( $Length ) + { + $Data = FRead( $this->Socket, $Length ); + + if( StrLen( $Data ) < 4 ) + { + return false; + } + + $this->Buffer->Set( $Data ); + + return $this->Buffer->GetLong( ) == -2; + } +} + +class SourceQueryRcon +{ + private $Buffer; + private $Socket; + + private $RconSocket; + private $RconPassword; + private $RconRequestId; + private $RconChallenge; + + public function __construct( $Buffer, $Socket ) + { + $this->Buffer = $Buffer; + $this->Socket = $Socket; + } + + public function Close( ) + { + if( $this->RconSocket ) + { + FClose( $this->RconSocket ); + + $this->RconSocket = null; + } + + $this->RconChallenge = 0; + $this->RconRequestId = 0; + $this->RconPassword = 0; + } + + public function Open( ) + { + if( !$this->RconSocket && $this->Socket->Engine == SourceQuery :: SOURCE ) + { + if( !( $this->RconSocket = FSockOpen( $this->Socket->Ip, $this->Socket->Port, $ErrNo, $ErrStr, $this->Socket->Timeout ) ) ) + { + throw new SourceQueryException( 'Can\'t connect to RCON server: ' . $ErrStr ); + } + + Socket_Set_TimeOut( $this->RconSocket, $this->Socket->Timeout ); + } + } + + public function Write( $Header, $String = '' ) + { + switch( $this->Socket->Engine ) + { + case SourceQuery :: GOLDSOURCE: + { + $Command = Pack( 'cccca*', 0xFF, 0xFF, 0xFF, 0xFF, $String ); + $Length = StrLen( $Command ); + + return $Length === FWrite( $this->Socket->Socket, $Command, $Length ); + } + case SourceQuery :: SOURCE: + { + // Pack the packet together + $Command = Pack( 'VV', ++$this->RequestId, $Header ) . $String . "\x00\x00\x00"; + + // Prepend packet length + $Command = Pack( 'V', StrLen( $Command ) ) . $Command; + $Length = StrLen( $Command ); + + return $Length === FWrite( $this->RconSocket, $Command, $Length ); + } + } + } + + public function Read( $Length = 1400 ) + { + switch( $this->Socket->Engine ) + { + case SourceQuery :: GOLDSOURCE: + { + // GoldSource RCON has same structure as Query + $this->Socket->Read( ); + + if( $this->Buffer->GetByte( ) != SourceQuery :: S2A_RCON ) + { + return false; + } + + $Buffer = $this->Buffer->Get( ); + $Trimmed = Trim( $Buffer ); + + if( $Trimmed == 'Bad rcon_password.' + || $Trimmed == 'You have been banned from this server.' ) + { + throw new SourceQueryException( $Trimmed ); + } + + $ReadMore = false; + + // There is no indentifier of the end, so we just need to continue reading + // TODO: Needs to be looked again, it causes timeouts + do + { + $this->Socket->Read( ); + + $ReadMore = $this->Buffer->Remaining( ) > 0 && $this->Buffer->GetByte( ) == SourceQuery :: S2A_RCON; + + if( $ReadMore ) + { + $Packet = $this->Buffer->Get( ); + $Buffer .= SubStr( $Packet, 0, -2 ); + + // Let's assume if this packet is not long enough, there are no more after this one + $ReadMore = StrLen( $Packet ) > 1000; // use 1300? + } + } + while( $ReadMore ); + + $this->Buffer->Set( Trim( $Buffer ) ); + + break; + } + case SourceQuery :: SOURCE: + { + $this->Buffer->Set( FRead( $this->RconSocket, $Length ) ); + + $Buffer = ""; + + $PacketSize = $this->Buffer->GetLong( ); + + $Buffer .= $this->Buffer->Get( ); + + // TODO: multi packet reading + + $this->Buffer->Set( $Buffer ); + + break; + } + } + } + + public function Command( $Command ) + { + if( !$this->RconChallenge ) + { + return false; + } + + $Buffer = false; + + switch( $this->Socket->Engine ) + { + case SourceQuery :: GOLDSOURCE: + { + $this->Write( 0, 'rcon ' . $this->RconChallenge . ' "' . $this->RconPassword . '" ' . $Command . "\0" ); + $this->Read( ); + + $Buffer = $this->Buffer->Get( ); + + break; + } + case SourceQuery :: SOURCE: + { + $this->Write( SourceQuery :: SERVERDATA_EXECCOMMAND, $Command ); + $this->Read( ); + + $RequestID = $this->Buffer->GetLong( ); + $Type = $this->Buffer->GetLong( ); + + if( $Type == SourceQuery :: SERVERDATA_AUTH_RESPONSE ) + { + throw new SourceQueryException( 'Bad rcon_password.' ); + } + else if( $Type != SourceQuery :: SERVERDATA_RESPONSE_VALUE ) + { + return false; + } + + // TODO: It should use GetString, but there are no null bytes at the end, why? + // $Buffer = $this->Buffer->GetString( ); + $Buffer = $this->Buffer->Get( ); + + break; + } + } + + return $Buffer; + } + + public function Authorize( $Password ) + { + $this->RconPassword = $Password; + + switch( $this->Socket->Engine ) + { + case SourceQuery :: GOLDSOURCE: + { + $this->Write( 0, 'challenge rcon' ); + $this->Socket->Read( ); + + if( $this->Buffer->Get( 14 ) != 'challenge rcon' ) + { + return false; + } + + $this->RconChallenge = Trim( $this->Buffer->Get( ) ); + + break; + } + case SourceQuery :: SOURCE: + { + $this->Write( SourceQuery :: SERVERDATA_AUTH, $Password ); + $this->Read( ); + + $RequestID = $this->Buffer->GetLong( ); + $Type = $this->Buffer->GetLong( ); + + // If we receive SERVERDATA_RESPONSE_VALUE, then we need to read again + // More info: https://developer.valvesoftware.com/wiki/Source_RCON_Protocol#Additional_Comments + + if( $Type == SourceQuery :: SERVERDATA_RESPONSE_VALUE ) + { + $this->Read( ); + + $RequestID = $this->Buffer->GetLong( ); + $Type = $this->Buffer->GetLong( ); + } + + if( $RequestID == -1 || $Type != SourceQuery :: SERVERDATA_AUTH_RESPONSE ) + { + throw new SourceQueryException( 'RCON authorization failed.' ); + } + + $this->RconChallenge = 1; + + break; + } + } + + return true; + } +} + +class SourceQueryBuffer +{ + private $Buffer; + private $Length; + private $Position; + + public function Set( $Buffer ) + { + $this->Buffer = $Buffer; + $this->Length = StrLen( $Buffer ); + $this->Position = 0; + + return true; + } + + public function Reset( ) + { + $this->Buffer = ""; + $this->Length = 0; + $this->Position = 0; + } + + public function Remaining( ) + { + return $this->Length - $this->Position; + } + + public function Get( $Length = -1 ) + { + if( $Length == 0 ) + { + // Why even bother + return ""; + } + + $Remaining = $this->Remaining( ); + + if( $Length == -1 ) + { + $Length = $Remaining; + } + else if( $Length > $Remaining ) + { + return false; + } + + $Data = SubStr( $this->Buffer, $this->Position, $Length ); + + $this->Position += $Length; + + return $Data; + } + + public function GetByte( ) + { + return Ord( $this->Get( 1 ) ); + } + + public function GetShort( ) + { + $Data = UnPack( 'v', $this->Get( 2 ) ); + + return $Data[ 1 ]; + } + + public function GetLong( ) + { + $Data = UnPack( 'l', $this->Get( 4 ) ); + + return $Data[ 1 ]; + } + + public function GetFloat( ) + { + $Data = UnPack( 'f', $this->Get( 4 ) ); + + return $Data[ 1 ]; + } + + public function GetUnsignedLong( ) + { + $Data = UnPack( 'V', $this->Get( 4 ) ); + + return $Data[ 1 ]; + } + + public function GetString( ) + { + $ZeroBytePosition = StrPos( $this->Buffer, "\0", $this->Position ); + + if( $ZeroBytePosition === false ) + { + $String = ""; + } + else + { + $String = $this->Get( $ZeroBytePosition - $this->Position ); + + $this->Position++; + } + + return $String; + } +} \ No newline at end of file diff --git a/View.php b/View.php new file mode 100644 index 0000000..29a8500 --- /dev/null +++ b/View.php @@ -0,0 +1,146 @@ + + define( 'SQ_SERVER_ADDR', 'tf.animuservers.ru' ); + define( 'SQ_SERVER_PORT', 27015 ); + define( 'SQ_TIMEOUT', 1 ); + define( 'SQ_ENGINE', SourceQuery :: SOURCE ); + // Edit this <- + + $Timer = MicroTime( True ); + $Query = new SourceQuery( ); + + $Info = Array( ); + $Rules = Array( ); + $Players = Array( ); + + try + { + $Query->Connect( SQ_SERVER_ADDR, SQ_SERVER_PORT, SQ_TIMEOUT, SQ_ENGINE ); + + $Info = $Query->GetInfo( ); + $Players = $Query->GetPlayers( ); + $Rules = $Query->GetRules( ); + } + catch( SourceQueryException $e ) + { + $Error = $e->getMessage( ); + } + + $Query->Disconnect( ); +?> + + + + + Source Query PHP Class + + + + + + +
+ + + +
+

Exception:

+ +
+ +
+
+ + + + + + + + $InfoValue ): ?> + + + + + + +
Server info
"; + print_r( $InfoValue ); + echo ""; + } + else + { + echo htmlspecialchars( $InfoValue ); + } +?>
+
+
+ + + + + + + + + + + + + + + + + + + +
Players
No players in da house!
+
+
+
+
+ + + + + + + + $Value ): ?> + + + + + + +
Rules
+
+
+ + +
+ +