/// Reconnect Challenge command handler
bool AuthSocket::_HandleReconnectChallenge()
{
sLog.outStaticDebug("Entering _HandleReconnectChallenge");
if (socket().recv_len() < sizeof(sAuthLogonChallenge_C))
return false;
///- Read the first 4 bytes (header) to get the length of the remaining of the packet
std::vector<uint8> buf;
buf.resize(4);
socket().recv((char *)&buf[0], 4);
EndianConvert(*((uint16*)(buf[0])));
uint16 remaining = ((sAuthLogonChallenge_C *)&buf[0])->size;
sLog.outStaticDebug("[ReconnectChallenge] got header, body is %#04x bytes", remaining);
if ((remaining < sizeof(sAuthLogonChallenge_C) - buf.size()) || (socket().recv_len() < remaining))
return false;
//No big fear of memory outage (size is int16, i.e. < 65536)
buf.resize(remaining + buf.size() + 1);
buf[buf.size() - 1] = 0;
sAuthLogonChallenge_C *ch = (sAuthLogonChallenge_C*)&buf[0];
///- Read the remaining of the packet
socket().recv((char *)&buf[4], remaining);
sLog.outStaticDebug("[ReconnectChallenge] got full packet, %#04x bytes", ch->size);
sLog.outStaticDebug("[ReconnectChallenge] name(%d): '%s'", ch->I_len, ch->I);
_login = (const char*)ch->I;
PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_GET_SESSIONKEY);
stmt->setString(0, _login);
PreparedQueryResult result = LoginDatabase.Query(stmt);
// Stop if the account is not found
if (!result)
{
sLog.outError("[ERROR] user %s tried to login and we cannot find his session key in the database.", _login.c_str());
socket().shutdown();
return false;
}
K.SetHexStr (result->GetCString(0));
///- Sending response
ByteBuffer pkt;
pkt << (uint8) AUTH_RECONNECT_CHALLENGE;
pkt << (uint8) 0x00;
_reconnectProof.SetRand(16 * 8);
pkt.append(_reconnectProof.AsByteArray(16), 16); // 16 bytes random
pkt << (uint64) 0x00 << (uint64) 0x00; // 16 bytes zeros
socket().send((char const*)pkt.contents(), pkt.size());
return true;
}
