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This commit is contained in:
alexey.min
2012-02-01 05:25:08 +00:00
commit 03de3bdc95
1446 changed files with 476853 additions and 0 deletions
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84
l2ooghelper/packet_handlers/ph_KeyPacket.cpp Normal file
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#include "stdafx.h"
#include "Logger.h"
#include "L2Client.h"
void L2Client::ph_KeyPacket( class L2Client *pcls, L2GamePacket *p )
{
L2Game_KeyPacket *p_game_key = new L2Game_KeyPacket( p->getBytesPtr(), p->getPacketSize() );
// parse KeyPacket
if( p_game_key->getPacketSize() == 25 )
{
if( !p_game_key->parse( pcls->account.getL2Version() ) )
{
pcls->addChatToTab( CHAT_SYS, L"KeyPacket parse error!" );
log_error( LOG_ERROR, "KeyPacket parse error!\n" );
pcls->disconnectClient(true);
return;
}
}
else
{
log_error( LOG_WARNING, "KeyPacket: length %u bytes (not 25)\n", p->getPacketSize() );
pcls->addChatToTabFormat( CHAT_SYS, L"Warning! Short KeyPacket (L2Dream?)" );
if(p_game_key->getDataSize() >= 10 )
{
p_game_key->getPacketType();
p_game_key->p_protocolIsOK = p_game_key->readUChar(); // 0x01 - proto OK, 0x00 - proto not supported
p_game_key->readBytes( p_game_key->p_initialKey, 8 ); // first 8 bytes of XOR key
// short packet - ignore all rest bytes...
// add last 8 bytes of XOR key - they are constant
}
else
{
log_error( LOG_ERROR, "KeyPacket: packet len is VERY SHORT! Some protocol error or bot protection!\n" );
pcls->addChatToTab( CHAT_SYS, L"KeyPacket packet length is VERY SHORT! Some protocol error or bot protection!" );
}
L2Game_KeyPacket::createInitialHellboundKey( p_game_key->p_initialKey, p_game_key->p_initialKey );
// disable opcode obfuscation by default on fucking Java servers
p_game_key->p_obfuscatorSeed = 0;
p_game_key->p_serverId = 0;
p_game_key->p_protocolIsOK = 1;
}
// check correct protocol version
if( !p_game_key->p_protocolIsOK )
{
log_error( LOG_WARNING, "KeyPacket: server tells protocolVersion is incorrect? O_o\n" );
pcls->addChatToTab( CHAT_SYS, L"KeyPacket: server tells protocolVersion is incorrect? O_o" );
}
#ifdef _DEBUG
log_error( LOG_DEBUG, "KeyPacket: gs ID: %d\n", (int)p_game_key->p_serverId );
#endif
// create XOR encryption keys
L2Game_KeyPacket::createInitialHellboundKey( p_game_key->p_initialKey, p_game_key->p_initialKey );
// set BOTH recv & send keys to SAME value
memcpy( pcls->game_key_recv, p_game_key->p_initialKey, 16 );
memcpy( pcls->game_key_send, pcls->game_key_recv, 16 );
pcls->game_XOR_enabled = true;
// remember obfuscator
pcls->game_opcodeObfuscatorSeed = p_game_key->p_obfuscatorSeed;
#ifdef _DEBUG
log_error( LOG_DEBUG, "KeyPacket results:\nKey: " );
int i = 0;
for( i=0; i<16; i++ ) log_error_np( LOG_DEBUG, "%02X ", pcls->game_key_recv[i] );
log_error_np( LOG_DEBUG, "\n" );
log_error( LOG_DEBUG, "Obfuscator seed: %08X\n", pcls->game_opcodeObfuscatorSeed );
#endif
// free mem
delete p_game_key; p_game_key = NULL;
// obfuscator manage
if( pcls->game_opcodeObfuscatorSeed != 0 )
{
pcls->game_pCodeObfuscator = new L2PCodeObfuscator();
pcls->game_pCodeObfuscator->setVersionMode( pcls->account.getL2Version() );
pcls->game_pCodeObfuscator->init_tables( pcls->game_opcodeObfuscatorSeed );
log_error( LOG_WARNING, "Client opcode obfuscation enabled.\n" );
pcls->addChatToTab( CHAT_SYS, L"Notice: client opcode obfuscation enabled" );
pcls->addChatToTab( CHAT_SYS, L"Notice: L2 off server >= Hellbound?" );
}
// reply with AuthLogin
pcls->send_AuthLogin();
}