CClient::CClient(NetState* state)
{
// This may be a web connection or Telnet ?
m_net = state;
SetConnectType( CONNECT_UNK ); // don't know what sort of connect this is yet.
// update ip history
#ifndef _MTNETWORK
HistoryIP& history = g_NetworkIn.getIPHistoryManager().getHistoryForIP(GetPeer());
#else
HistoryIP& history = g_NetworkManager.getIPHistoryManager().getHistoryForIP(GetPeer());
#endif
history.m_connecting++;
history.m_connected++;
m_Crypt.SetClientVer( g_Serv.m_ClientVersion );
m_pAccount = NULL;
m_pChar = NULL;
m_pGMPage = NULL;
m_timeLogin.Init();
m_timeLastSend =
m_timeLastEvent = CServTime::GetCurrentTime();
m_timeLastEventWalk = CServTime::GetCurrentTime();
m_iWalkStepCount = 0;
m_iWalkTimeAvg = 100;
m_timeWalkStep = GetTickCount();
m_Targ_Timeout.Init();
m_Targ_Mode = CLIMODE_SETUP_CONNECTING;
m_Prompt_Mode = CLIMODE_NORMAL;
m_tmSetup.m_dwIP = 0;
m_tmSetup.m_iConnect = 0;
m_tmSetup.m_bNewSeed = false;
m_Env.SetInvalid();
g_Log.Event(LOGM_CLIENTS_LOG, "%lx:Client connected [Total:%lu] ('%s' %ld/%ld)\n",
GetSocketID(), g_Serv.StatGet(SERV_STAT_CLIENTS), GetPeerStr(), history.m_connecting, history.m_connected);
m_zLastMessage[0] = 0;
m_zLastObjMessage[0] = 0;
m_tNextPickup.Init();
m_BfAntiCheat.lastvalue = m_BfAntiCheat.count = 0x0;
m_ScreenSize.x = m_ScreenSize.y = 0x0;
m_pPopupPacket = NULL;
m_pHouseDesign = NULL;
m_fUpdateStats = 0;
}
bool CClient::xProcessClientSetup( CEvent * pEvent, size_t iLen )
{
ADDTOCALLSTACK("CClient::xProcessClientSetup");
// If this is a login then try to process the data and figure out what client it is.
// try to figure out which client version we are talking to.
// (CEvent::ServersReq) or (CEvent::CharListReq)
// NOTE: Anything else we get at this point is tossed !
ASSERT( GetConnectType() == CONNECT_CRYPT );
ASSERT( !m_Crypt.IsInit());
ASSERT( pEvent != NULL );
ASSERT( iLen > 0 );
// Try all client versions on the msg.
CEvent bincopy; // in buffer. (from client)
ASSERT( iLen <= sizeof(bincopy));
memcpy( bincopy.m_Raw, pEvent->m_Raw, iLen );
if ( !m_Crypt.Init( m_net->m_seed, bincopy.m_Raw, iLen, GetNetState()->isClientKR() ) )
{
DEBUG_MSG(( "%x:Odd login message length %" PRIuSIZE_T "?\n", GetSocketID(), iLen ));
#ifdef _DEBUG
xRecordPacketData(this, (const byte *)pEvent, iLen, "client->server");
#endif
addLoginErr( PacketLoginError::BadEncLength );
return false;
}
GetNetState()->detectAsyncMode();
SetConnectType( m_Crypt.GetConnectType() );
if ( !xCanEncLogin() )
{
addLoginErr((uchar)((m_Crypt.GetEncryptionType() == ENC_NONE? PacketLoginError::EncNoCrypt : PacketLoginError::EncCrypt) ));
return false;
}
else if ( m_Crypt.GetConnectType() == CONNECT_LOGIN && !xCanEncLogin(true) )
{
addLoginErr( PacketLoginError::BadVersion );
return false;
}
byte lErr = PacketLoginError::EncUnknown;
m_Crypt.Decrypt( pEvent->m_Raw, bincopy.m_Raw, iLen );
tchar szAccount[MAX_ACCOUNT_NAME_SIZE+3];
switch ( pEvent->Default.m_Cmd )
{
case XCMD_ServersReq:
{
if ( iLen < sizeof( pEvent->ServersReq ))
return false;
lErr = Login_ServerList( pEvent->ServersReq.m_acctname, pEvent->ServersReq.m_acctpass );
if ( lErr == PacketLoginError::Success )
{
Str_GetBare( szAccount, pEvent->ServersReq.m_acctname, sizeof(szAccount)-1 );
CAccountRef pAcc = g_Accounts.Account_Find( szAccount );
if (pAcc)
{
pAcc->m_TagDefs.SetNum("clientversion", m_Crypt.GetClientVer());
pAcc->m_TagDefs.SetNum("reportedcliver", GetNetState()->getReportedVersion());
}
else
{
// If i can't set the tag is better to stop login now
lErr = PacketLoginError::Invalid;
}
}
break;
}
case XCMD_CharListReq:
{
if ( iLen < sizeof( pEvent->CharListReq ))
return false;
lErr = Setup_ListReq( pEvent->CharListReq.m_acctname, pEvent->CharListReq.m_acctpass, true );
if ( lErr == PacketLoginError::Success )
{
// pass detected client version to the game server to make valid cliver used
Str_GetBare( szAccount, pEvent->CharListReq.m_acctname, sizeof(szAccount)-1 );
CAccountRef pAcc = g_Accounts.Account_Find( szAccount );
if (pAcc)
{
dword tmSid = 0x7f000001;
dword tmVer = (dword)(pAcc->m_TagDefs.GetKeyNum("clientversion"));
dword tmVerReported = (dword)(pAcc->m_TagDefs.GetKeyNum("reportedcliver"));
pAcc->m_TagDefs.DeleteKey("clientversion");
pAcc->m_TagDefs.DeleteKey("reportedcliver");
if ( g_Cfg.m_fUseAuthID )
{
tmSid = (dword)(pAcc->m_TagDefs.GetKeyNum("customerid"));
pAcc->m_TagDefs.DeleteKey("customerid");
}
DEBUG_MSG(("%x:xProcessClientSetup for %s, with AuthId %u and CliVersion %u / CliVersionReported %u\n", GetSocketID(), pAcc->GetName(), tmSid, tmVer, tmVerReported));
if ( tmSid != 0 && tmSid == pEvent->CharListReq.m_Account )
{
// request client version if the client has not reported it to server yet
if ( tmVerReported == 0 )
new PacketClientVersionReq(this);
if ( tmVerReported != 0 )
{
GetNetState()->m_reportedVersion = tmVerReported;
}
else if ( tmVer != 0 )
{
m_Crypt.SetClientVerEnum(tmVer, false);
GetNetState()->m_clientVersion = tmVer;
}
// client version change may toggle async mode, it's important to flush pending data to the client before this happens
GetNetState()->detectAsyncMode();
if ( !xCanEncLogin(true) )
lErr = PacketLoginError::BadVersion;
}
else
{
lErr = PacketLoginError::BadAuthID;
}
}
else
{
lErr = PacketLoginError::Invalid;
}
}
break;
}
#ifdef _DEBUG
default:
{
DEBUG_ERR(("Unknown/bad packet to receive at this time: 0x%X\n", pEvent->Default.m_Cmd));
}
#endif
}
xRecordPacketData(this, (const byte *)pEvent, iLen, "client->server");
if ( lErr != PacketLoginError::Success ) // it never matched any crypt format.
{
addLoginErr( lErr );
}
return( lErr == PacketLoginError::Success );
}
CClient::CClient(NetState *state)
{
m_pChar = NULL;
m_Env.SetInvalid();
m_fUpdateStats = 0;
m_iWalkTimeAvg = 100;
m_iWalkStepCount = 0;
m_timeWalkStep = GetTickCount64();
m_ScreenSize.x = m_ScreenSize.y = 0;
m_Prompt_Mode = CLIMODE_NORMAL;
SetConnectType(CONNECT_UNK); // don't know what sort of connect this is yet
m_NetState = state;
m_pAccount = NULL;
m_FeatureFlags = 0;
m_CharacterListFlags = 0;
m_TooltipEnabled = false;
m_ContainerGridEnabled = false;
m_UseNewChatSystem = false;
m_timeLogin.Init();
m_timeLastEvent = CServTime::GetCurrentTime();
m_timeLastEventItemPickup = CServTime::GetCurrentTime();
m_timeLastEventWalk = CServTime::GetCurrentTime();
m_timeNextEventWalk = 0;
m_pGMPage = NULL;
m_timeLastSkillThrowing.Init();
m_pSkillThrowingTarg = NULL;
m_SkillThrowingAnimID = ITEMID_NOTHING;
m_SkillThrowingAnimHue = 0;
m_SkillThrowingAnimRender = 0;
m_Targ_Mode = CLIMODE_SETUP_CONNECTING;
m_Targ_Timeout.Init();
m_Crypt.SetClientVer(g_Serv.m_ClientVersion);
m_pPopupPacket = NULL;
m_zLastMessage[0] = 0;
m_zLastObjMessage[0] = 0;
m_pHouseDesign = NULL;
// Update IP history
#ifdef _MTNETWORK
HistoryIP &history = g_NetworkManager.getIPHistoryManager().getHistoryForIP(GetPeer());
#else
HistoryIP &history = g_NetworkIn.getIPHistoryManager().getHistoryForIP(GetPeer());
#endif
++history.m_connecting;
++history.m_connected;
g_Log.Event(LOGM_CLIENTS_LOG, "%lx:Client connected [Total:%lu] ('%s' %ld/%ld)\n", GetSocketID(), g_Serv.StatGet(SERV_STAT_CLIENTS), GetPeerStr(), history.m_connecting, history.m_connected);
}
bool CClient::OnRxPing( const byte * pData, size_t iLen )
{
ADDTOCALLSTACK("CClient::OnRxPing");
// packet iLen < 5
// UOMon should work like this.
// RETURN: true = keep the connection open.
if ( GetConnectType() != CONNECT_UNK )
return false;
if ( !iLen || iLen > 4 )
return false;
switch ( pData[0] )
{
// Remote Admin Console
case '\x1':
case ' ':
{
if ( (iLen > 1) &&
(iLen != 2 || pData[1] != '\n') &&
(iLen != 3 || pData[1] != '\r' || pData[2] != '\n') &&
(iLen != 3 || pData[1] != '\n' || pData[2] != '\0') )
break;
// enter into remote admin mode. (look for password).
SetConnectType( CONNECT_TELNET );
m_zLogin[0] = 0;
SysMessagef("%s %s Admin Telnet\n", g_Cfg.GetDefaultMsg(DEFMSG_CONSOLE_WELCOME_1), g_Serv.GetName());
if ( g_Cfg.m_fLocalIPAdmin )
{
// don't bother logging in if local.
if ( GetPeer().IsLocalAddr() )
{
CAccountRef pAccount = g_Accounts.Account_Find("Administrator");
if ( !pAccount )
pAccount = g_Accounts.Account_Find("RemoteAdmin");
if ( pAccount )
{
CSString sMsg;
byte lErr = LogIn( pAccount, sMsg );
if ( lErr != PacketLoginError::Success )
{
if ( lErr != PacketLoginError::Invalid )
SysMessage( sMsg );
return false;
}
return OnRxConsoleLoginComplete();
}
}
}
SysMessage("Login:\n");
return true;
}
//Axis Connection
case '@':
{
if ( (iLen > 1) &&
(iLen != 2 || pData[1] != '\n') &&
(iLen != 3 || pData[1] != '\r' || pData[2] != '\n') &&
(iLen != 3 || pData[1] != '\n' || pData[2] != '\0') )
break;
// enter into Axis mode. (look for password).
SetConnectType( CONNECT_AXIS );
m_zLogin[0] = 0;
time_t dateChange;
dword dwSize = 0;
CSFileList::ReadFileInfo( "Axis.db", dateChange, dwSize );
SysMessagef("%u",dwSize);
return true;
}
// ConnectUO Status
case 0xF1:
{
// ConnectUO sends a 4-byte packet when requesting status info
// byte Cmd (0xF1)
// word Unk (0x04)
// byte SubCmd (0xFF)
if ( iLen != MAKEWORD( pData[2], pData[1] ) )
break;
if ( pData[3] != 0xFF )
break;
if ( g_Cfg.m_fCUOStatus == false )
{
g_Log.Event( LOGM_CLIENTS_LOG|LOGL_EVENT, "%x:CUO Status request from %s has been rejected.\n", GetSocketID(), GetPeerStr());
return false;
}
// enter 'remote admin mode'
SetConnectType( CONNECT_TELNET );
g_Log.Event( LOGM_CLIENTS_LOG|LOGL_EVENT, "%x:CUO Status request from %s\n", GetSocketID(), GetPeerStr());
SysMessage( g_Serv.GetStatusString( 0x25 ) );
// exit 'remote admin mode'
SetConnectType( CONNECT_UNK );
return false;
}
// UOGateway Status
case 0xFF:
case 0x7F:
case 0x22:
{
if ( iLen > 1 )
break;
if ( g_Cfg.m_fUOGStatus == false )
{
g_Log.Event( LOGM_CLIENTS_LOG|LOGL_EVENT, "%x:UOG Status request from %s has been rejected.\n", GetSocketID(), GetPeerStr());
return false;
}
// enter 'remote admin mode'
SetConnectType( CONNECT_TELNET );
g_Log.Event( LOGM_CLIENTS_LOG|LOGL_EVENT, "%x:UOG Status request from %s\n", GetSocketID(), GetPeerStr());
if (pData[0] == 0x7F)
SetConnectType( CONNECT_UOG );
SysMessage( g_Serv.GetStatusString( 0x22 ) );
// exit 'remote admin mode'
SetConnectType( CONNECT_UNK );
return false;
}
}
g_Log.Event( LOGM_CLIENTS_LOG|LOGL_EVENT, "%x:Unknown/invalid ping data '0x%x' from %s (Len: %" PRIuSIZE_T ")\n", GetSocketID(), pData[0], GetPeerStr(), iLen);
return false;
}
bool CClient::xProcessClientSetup( CEvent * pEvent, size_t iLen )
{
ADDTOCALLSTACK("CClient::xProcessClientSetup");
// If this is a login then try to process the data and figure out what client it is.
// try to figure out which client version we are talking to.
// (CEvent::ServersReq) or (CEvent::CharListReq)
// NOTE: Anything else we get at this point is tossed !
ASSERT(GetConnectType() == CONNECT_CRYPT);
ASSERT(!m_Crypt.IsInit());
ASSERT(pEvent);
ASSERT(iLen > 0);
// Try all client versions on the msg.
CEvent bincopy; // in buffer (from client)
ASSERT(iLen <= sizeof(bincopy));
memcpy(bincopy.m_Raw, pEvent->m_Raw, iLen);
if ( !m_Crypt.Init(m_NetState->m_seed, bincopy.m_Raw, iLen, m_NetState->isClientKR()) )
{
DEBUG_MSG(("%lx:Odd login message length %" FMTSIZE_T "?\n", GetSocketID(), iLen));
#ifdef _DEBUG
xRecordPacketData(this, (const BYTE *)pEvent, iLen, "client->server");
#endif
addLoginErr(PacketLoginError::BadEncLength);
return false;
}
SetConnectType(m_Crypt.GetConnectType());
if ( !xCanEncLogin() )
{
addLoginErr(m_Crypt.GetEncryptionType() == ENC_NONE ? PacketLoginError::EncNoCrypt : PacketLoginError::EncCrypt);
return false;
}
else if ( (m_Crypt.GetConnectType() == CONNECT_LOGIN) && !xCanEncLogin(true) )
{
addLoginErr(PacketLoginError::BadVersion);
return false;
}
BYTE lErr = PacketLoginError::EncUnknown;
m_Crypt.Decrypt(pEvent->m_Raw, bincopy.m_Raw, iLen);
TCHAR szAccount[MAX_ACCOUNT_NAME_SIZE + 3];
switch ( pEvent->Default.m_Cmd )
{
case XCMD_ServersReq:
{
if ( iLen < sizeof(pEvent->ServersReq) )
return false;
lErr = Login_ServerList(pEvent->ServersReq.m_acctname, pEvent->ServersReq.m_acctpass);
if ( lErr == PacketLoginError::Success )
{
Str_GetBare(szAccount, pEvent->ServersReq.m_acctname, sizeof(szAccount) - 1);
CAccountRef pAcc = g_Accounts.Account_Find(szAccount);
if ( pAcc )
{
// On login proccess, the client will connect on IP only to request the servers list, and after select an server,
// it will disconnect from this IP and connect again now on server IP to request the account character list. But
// on the 2nd connection the client doesn't report its version to server again, so we must use tags to temporarily
// store the client version on XCMD_ServersReq and restore it on XCMD_CharListReq.
if ( m_Crypt.GetClientVer() )
pAcc->m_TagDefs.SetNum("ClientVersion", m_Crypt.GetClientVer());
if ( m_NetState->getReportedVersion() )
pAcc->m_TagDefs.SetNum("ReportedCliVer", m_NetState->getReportedVersion());
else
new PacketClientVersionReq(this);
}
else
{
lErr = PacketLoginError::Invalid;
}
}
break;
}
case XCMD_CharListReq:
{
if ( iLen < sizeof(pEvent->CharListReq) )
return false;
Str_GetBare(szAccount, pEvent->CharListReq.m_acctname, sizeof(szAccount) - 1);
CAccountRef pAcc = g_Accounts.Account_Find(szAccount);
DWORD dwCustomerID = 0x7f000001;
if ( pAcc )
{
if ( g_Cfg.m_fUseAuthID )
{
dwCustomerID = static_cast<DWORD>(pAcc->m_TagDefs.GetKeyNum("CustomerID"));
pAcc->m_TagDefs.DeleteKey("CustomerID");
}
DWORD tmVer = static_cast<DWORD>(pAcc->m_TagDefs.GetKeyNum("ClientVersion"));
if ( tmVer )
{
m_Crypt.SetClientVerEnum(tmVer, false);
m_NetState->m_clientVersion = tmVer;
pAcc->m_TagDefs.DeleteKey("ClientVersion");
}
DWORD tmVerReported = static_cast<DWORD>(pAcc->m_TagDefs.GetKeyNum("ReportedCliVer"));
if ( tmVerReported )
{
m_NetState->m_reportedVersion = tmVerReported;
pAcc->m_TagDefs.DeleteKey("ReportedCliVer");
}
// Enhanced clients must enable some specific features on UpdateFeatureFlags() but they only report the
// client type to server after this function, so we must estimate the client type based on client version
// to enable these features properly even when the client don't reported its client type to server yet.
if ( m_NetState->isClientVersion(MASK_CLIENTTYPE_EC) )
m_NetState->m_clientType = CLIENTTYPE_EC;
}
lErr = Setup_ListReq(pEvent->CharListReq.m_acctname, pEvent->CharListReq.m_acctpass, true);
if ( lErr == PacketLoginError::Success )
{
if ( pAcc )
{
DEBUG_MSG(("%lx:xProcessClientSetup for %s, with AuthId %lu and CliVersion %lu / CliVersionReported %lu\n", GetSocketID(), pAcc->GetName(), CustomerID, m_Crypt.GetClientVer(), m_NetState->getReportedVersion()));
if ( (dwCustomerID != 0) && (dwCustomerID == pEvent->CharListReq.m_Account) )
{
if ( !xCanEncLogin(true) )
lErr = PacketLoginError::BadVersion;
}
else
{
lErr = PacketLoginError::BadAuthID;
}
}
else
{
lErr = PacketLoginError::Invalid;
}
}
break;
}
#ifdef _DEBUG
default:
DEBUG_ERR(("Unknown/bad packet to receive at this time: 0x%X\n", pEvent->Default.m_Cmd));
#endif
}
xRecordPacketData(this, (const BYTE *)pEvent, iLen, "client->server");
if ( lErr != PacketLoginError::Success ) // it never matched any crypt format.
addLoginErr(lErr);
return (lErr == PacketLoginError::Success);
}
