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Use gmp module to correctly read server's steamid on 32-bit systems

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This commit is contained in:
Pavel Djundik
2015-10-19 22:04:34 +03:00
parent f41e4b551c
commit 7636340092
1 changed files with 29 additions and 2 deletions
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SourceQuery/SourceQuery.php
+29 -2
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@@ -304,10 +304,37 @@
$Server[ 'GamePort' ] = $Buffer->GetShort( ); $Server[ 'GamePort' ] = $Buffer->GetShort( );
} }
// The server's SteamID - does this serve any purpose? // The server's steamid
// Want to play around with this?
// You can use https://github.com/xPaw/SteamID.php
if( $Flags & 0x10 ) if( $Flags & 0x10 )
{ {
$Server[ 'ServerID' ] = $Buffer->GetUnsignedLong( ) | ( $Buffer->GetUnsignedLong( ) << 32 ); // TODO: verify this $a = $Buffer->GetUnsignedLong( );
$b = $Buffer->GetUnsignedLong( );
$SteamID = 0;
if( PHP_INT_SIZE === 4 )
{
if( extension_loaded( 'gmp2' ) )
{
$a = gmp_abs( $a );
$b = gmp_abs( $b );
$SteamID = gmp_strval( gmp_or( $a, gmp_mul( $b, gmp_pow( 2, 32 ) ) ) );
}
else
{
throw new \RuntimeException( 'Either 64-bit PHP installation or "gmp" module is required to correctly parse server\'s steamid.' );
}
}
else
{
$SteamID = $a | ( $b << 32 );
}
$Server[ 'SteamID' ] = $SteamID;
unset( $a, $b, $SteamID );
} }
// The spectator port and then the spectator server name // The spectator port and then the spectator server name