#include <amxmodx>
#include <orpheu>
 
new OrpheuFunction:HandleFuncNETQueuePacket;
new OrpheuFunction:HandleFuncConPrintf;
 
new OrpheuHook:HandleHookConPrintf;
 
public plugin_init()
{
    register_plugin( "Ban NET Packet Spammer", "1.0.1", "Arkshine" );
 
    HandleFuncNETQueuePacket = OrpheuGetFunction( "NET_QueuePacket" );
    HandleFuncConPrintf      = OrpheuGetFunction( "Con_Printf" );
 
    OrpheuRegisterHook( HandleFuncNETQueuePacket, "NET_QueuePacket_Pre", OrpheuHookPre );
    OrpheuRegisterHook( HandleFuncNETQueuePacket, "NET_QueuePacket_Post", OrpheuHookPost );
}   
 
public NET_QueuePacket_Pre()
{
    HandleHookConPrintf = OrpheuRegisterHook( HandleFuncConPrintf, "Con_Printf" );
}
 
public Con_Printf( const fmt[], const arg[] )
{
    static const message[] = "Oversize packet from ";
 
    if( contain( fmt, message ) >= 0 )
    {
        new ip[ 16 ], i, c;
 
        while( i < charsmax( ip ) && ( c = fmt[ i + charsmax( message ) ] ) && c != ':' ) 
        { 
            ip[ i++ ] = c; 
        }   
 
        ip[ i ] = EOS;
 
        log_to_file( "NET_Packet_Spammer.log", "Blocking %s", ip );
 
        server_cmd( "addip 0 ^"%s^"", ip );
        server_exec();
    }
}
 
public NET_QueuePacket_Post()
{
    OrpheuUnregisterHook( HandleHookConPrintf );
}