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Strict checks; implement GameID from extra data flags

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This commit is contained in:
xPaw
2014-07-21 19:09:56 +03:00
parent 266cf6afe7
commit 5e84d9e873
4 changed files with 67 additions and 32 deletions
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SourceQuery/SourceQuery.class.php
+29 -20
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@@ -191,7 +191,7 @@
$this->Socket->Write( self :: A2S_PING );
$this->Socket->Read( );
return $this->Buffer->GetByte( ) == self :: S2A_PING;
return $this->Buffer->GetByte( ) === self :: S2A_PING;
}
/**
@@ -213,13 +213,13 @@
$Type = $this->Buffer->GetByte( );
if( $Type == 0 )
if( $Type === 0 )
{
return false;
}
// Old GoldSource protocol, HLTV still uses it
if( $Type == self :: S2A_INFO_OLD && $this->Socket->Engine == self :: GOLDSOURCE )
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)
@@ -237,8 +237,8 @@
$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;
$Server[ 'Password' ] = $this->Buffer->GetByte( ) === 1;
$Server[ 'IsMod' ] = $this->Buffer->GetByte( ) === 1;
if( $Server[ 'IsMod' ] )
{
@@ -247,11 +247,11 @@
$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;
$Mod[ 'ServerSide' ] = $this->Buffer->GetByte( ) === 1;
$Mod[ 'CustomDLL' ] = $this->Buffer->GetByte( ) === 1;
}
$Server[ 'Secure' ] = $this->Buffer->GetByte( ) == 1;
$Server[ 'Secure' ] = $this->Buffer->GetByte( ) === 1;
$Server[ 'Bots' ] = $this->Buffer->GetByte( );
if( isset( $Mod ) )
@@ -262,7 +262,7 @@
return $Server;
}
if( $Type != self :: S2A_INFO )
if( $Type !== self :: S2A_INFO )
{
throw new SourceQueryException( 'GetInfo: Packet header mismatch. (0x' . DecHex( $Type ) . ')' );
}
@@ -278,11 +278,11 @@
$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;
$Server[ 'Password' ] = $this->Buffer->GetByte( ) === 1;
$Server[ 'Secure' ] = $this->Buffer->GetByte( ) === 1;
// The Ship
if( $Server[ 'AppID' ] == 2400 )
// The Ship (they violate query protocol spec by modifying the response)
if( $Server[ 'AppID' ] === 2400 )
{
$Server[ 'GameMode' ] = $this->Buffer->GetByte( );
$Server[ 'WitnessCount' ] = $this->Buffer->GetByte( );
@@ -294,7 +294,7 @@
// Extra Data Flags
if( $this->Buffer->Remaining( ) > 0 )
{
$Flags = $this->Buffer->GetByte( );
$Server[ 'ExtraDataFlags' ] = $Flags = $this->Buffer->GetByte( );
// The server's game port
if( $Flags & 0x80 )
@@ -305,7 +305,7 @@
// The server's SteamID - does this serve any purpose?
if( $Flags & 0x10 )
{
$Server[ 'ServerID' ] = $this->Buffer->GetUnsignedLong( ) | ( $this->Buffer->GetUnsignedLong( ) << 32 );
$Server[ 'ServerID' ] = $this->Buffer->GetUnsignedLong( ) | ( $this->Buffer->GetUnsignedLong( ) << 32 ); // TODO: verify this
}
// The spectator port and then the spectator server name
@@ -321,7 +321,16 @@
$Server[ 'GameTags' ] = $this->Buffer->GetString( );
}
// 0x01 - The server's 64-bit GameID
// GameID -- alternative to AppID?
if( $Flags & 0x01 )
{
$Server[ 'GameID' ] = $this->Buffer->GetUnsignedLong( ) | ( $this->Buffer->GetUnsignedLong( ) << 32 );
}
if( $this->Buffer->Remaining( ) > 0 )
{
throw new SourceQueryException( 'GetInfo: unread data? ' . $this->Buffer->Remaining( ) . ' bytes remaining in the buffer. Please report it to the library developer.' );
}
}
return $Server;
@@ -355,11 +364,11 @@
$Type = $this->Buffer->GetByte( );
if( $Type == 0 )
if( $Type === 0 )
{
return false;
}
else if( $Type != self :: S2A_PLAYER )
else if( $Type !== self :: S2A_PLAYER )
{
throw new SourceQueryException( 'GetPlayers: Packet header mismatch. (0x' . DecHex( $Type ) . ')' );
}
@@ -412,11 +421,11 @@
$Type = $this->Buffer->GetByte( );
if( $Type == 0 )
if( $Type === 0 )
{
return false;
}
else if( $Type != self :: S2A_RULES )
else if( $Type !== self :: S2A_RULES )
{
throw new SourceQueryException( 'GetRules: Packet header mismatch. (0x' . DecHex( $Type ) . ')' );
}