bool PPatchServer::ProcessClient(PClient *Client, PPatchState *State)
{
static const u8 HANDSHAKE0A[6]={0xfe, 0x03, 0x00, 0x80, 0x03, 0x6b};
if(!State)
{
PatchStateMap::iterator node = ClientStates.find(Client);
if(node == ClientStates.end())
return false;
State = node->second;
}
ConnectionTCP *Socket = Client->getTCPConn();
if(State->mWaitSend && Socket->getSendBufferSize()==0)
return false;
if(State->mState==PPatchState::PS_CONNECTED)
{
Console->Print("Sending Handshake 0A");
Socket->write(HANDSHAKE0A, sizeof(HANDSHAKE0A));
//short unsigned int packet = (short unsigned int) HANDSHAKE0A;
//Socket->write(htons(packet));
State->mState = PPatchState::PS_HANDSHAKE0;
Socket->flushSendBuffer();
}
int PacketSize=0;
const u8 *Packet = Socket->read(&PacketSize);
if(PacketSize > 0)
{
switch(State->mState)
{
case PPatchState::PS_HANDSHAKE1 :
case PPatchState::PS_HANDSHAKE0 :
Console->Print("Handling Handshake 0 and 1");
return HandleHandshake(Client, State, Packet, PacketSize);
case PPatchState::PS_VERSIONREQUEST :
Console->Print("Handling Client Versionsrequest");
return HandleVersionRequest(Client, State, Packet, PacketSize);
case PPatchState::PS_GETPATCHORFILE :
case PPatchState::PS_SENDPATCH :
case PPatchState::PS_SENDFILE :
Console->Print("Getpatchforfile, sendpatch, sendfile");
return HandleFileRequests(Client, State, Packet, PacketSize);
default:
break;
}
}
return true;
}
bool PGameServer::HandleGameData( PClient *Client, PGameState *State, const u8 *Packet )
{
static const u8 GAMEDATA[5] = {0xfe, 0x02, 0x00, 0x87, 0x3a};
ConnectionTCP *Socket = Client->getTCPConn();
if ( *( u16* )&Packet[3] == 0x3787 )
{
Socket->write( GAMEDATA, 5 );
State->TCP.mState = PGameState::TCP::GS_REQUESTCHARS;
}
else
{
Console->Print( RED, BLACK, "[Notice] Gameserver protocol error (GS_GAMEDATA): invalid packet [%04x]", *( u16* )&Packet[3] );
return ( false );
}
return ( true );
}
bool PGameServer::HandleGetStatus( PClient *Client, PGameState *State, const u8 *Packet )
{
ConnectionTCP *Socket = Client->getTCPConn();
if ( *( u16* )&Packet[3] == 0x3787 )
{
static const u8 STATUS[9] = {0xfe, 0x06, 0x00, 0x87, 0x3a, 0x11, 0x00, 0x00, 0x00};
Socket->write( STATUS, 9 );
State->TCP.mState = PGameState::TCP::GS_GAMEINFO;
}
else
{
Console->Print( RED, BLACK, "[Notice] Gameserver protocol error (GS_GETSTATUS): invalid packet [%04x]", *( u16* )&Packet[3] );
return ( false );
}
return ( true );
}
bool PPatchServer::HandleVersionRequest(PClient *Client, PPatchState *State, const u8 *Packet, int PacketSize)
{
static u8 VERSIONPACKET[13]={0xfe, 0x0a, 0x00, 0x37, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
ConnectionTCP *Socket = Client->getTCPConn();
if(PacketSize==9 && *(u16*)&Packet[3]==0x007b)
{
State->mSerial = *(u16*)&Packet[7];
*(u16*)&VERSIONPACKET[7]=State->mSerial;
u32 ver = Config->GetOptionInt("server_version");
*(u32*)&VERSIONPACKET[9]=ver;
Socket->write(VERSIONPACKET, 13);
State->mState = PPatchState::PS_GETPATCHORFILE;
} else
{
Console->Print("Patchserver protocol error (PS_VERSIONREQUEST): invalid packet [%04x]", *(u16*)&Packet[3]);
return false;
}
return true;
}
bool PPatchServer::HandleHandshake(PClient *Client, PPatchState *State, const u8 *Packet, int PacketSize)
{
static const u8 HANDSHAKE1A[6]={0xfe, 0x03, 0x00, 0x80, 0x01, 0x73};
ConnectionTCP *Socket = Client->getTCPConn();
switch(State->mState)
{
case PPatchState::PS_HANDSHAKE0 :
{
if(PacketSize==6 && *(u16*)&Packet[3]==0x0280 && Packet[5]==0x64)
{
Socket->write(HANDSHAKE1A, sizeof(HANDSHAKE1A));
State->mState = PPatchState::PS_HANDSHAKE1;
} else
{
Console->Print("Patchserver protocol error (PS_HANDSHAKE0): invalid packet [%04x]", *(u16*)&Packet[3]);
return false;
}
break;
}
case PPatchState::PS_HANDSHAKE1 :
{
if(PacketSize==6 && *(u16*)&Packet[3]==0x0080 && Packet[5]==0x6c)
State->mState = PPatchState::PS_VERSIONREQUEST;
else
{
Console->Print("Patchserver protocol error (PS_HANDSHAKE1): invalid packet [%04x]", *(u16*)&Packet[3]);
return false;
}
break;
}
default:
break;
}
return true;
}
bool PGameServer::ProcessClient( PClient *Client, PGameState *State )
{
static const u8 HANDSHAKE0A[6] = {0xfe, 0x03, 0x00, 0x80, 0x01, 0x66};
if ( !State )
{
GameStateMap::iterator node = ClientStates.find( Client );
if ( node == ClientStates.end() )
return ( false );
State = node->second;
}
ConnectionTCP *Socket = Client->getTCPConn();
if ( !Socket ) Console->Print( RED, BLACK, "PANIC: Client %d : TCP Socket is NULL !!!", Client->GetID() );
if ( State->TCP.mWaitSend && Socket->getSendBufferSize() == 0 )
return ( false );
if ( State->TCP.mState == PGameState::TCP::GS_CONNECTED )
{
Socket->write( HANDSHAKE0A, 6 );
State->TCP.mState = PGameState::TCP::GS_HANDSHAKE0;
}
if ( State->TCP.mState == PGameState::TCP::GS_INGAME )
{
return ( HandleGame( Client, State ) );
}
else
{
int PacketSize = 0;
const u8 *Packet = Socket->read( &PacketSize );
if ( PacketSize > 0 )
{
switch ( State->TCP.mState )
{
case PGameState::TCP::GS_HANDSHAKE0:
return ( HandleHandshake( State, Packet, PacketSize ) );
case PGameState::TCP::GS_AUTHENTICATE:
return ( HandleAuthenticate( Client, State, Packet, PacketSize ) );
case PGameState::TCP::GS_GAMEDATA:
return ( HandleGameData( Client, State, Packet ) );
case PGameState::TCP::GS_REQUESTCHARS:
return ( HandleRequestChars( Client, State, Packet ) );
case PGameState::TCP::GS_CHARLIST:
return ( HandleCharList( Client, State, Packet, PacketSize ) );
case PGameState::TCP::GS_GETSTATUS:
return ( HandleGetStatus( Client, State, Packet ) );
case PGameState::TCP::GS_GAMEINFO:
return ( HandleGameInfo( Client, State, Packet ) );
default:
break;
}
}
}
return ( true );
}
bool PGameServer::HandleGameInfo( PClient *Client, PGameState *State, const u8 *Packet )
{
// Console->Print("Inside HandleGameInfo");//NEW added
static u8 GameInfo[31] = {0xfe, 0x1c, 0x00, 0x83, 0x05, // header
0x00, 0x00, 0x00, 0x00, // account id
0x00, 0x00, 0x00, 0x00, // char id
0x00, 0x00, 0x00, 0x00, // udp ip
0x00, 0x00, // udp port
0x00, 0x00, 0x00, 0x00, // unknown
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, // session key
};
ConnectionTCP *Socket = Client->getTCPConn();
if ( *( u16* )&Packet[3] == 0x3c87 )
{
//int PortFix = Config->GetOptionInt("debug_mode");
ConnectionUDP* udpConn = ServerSock->getUDPConnection( IPStringToDWord( Client->GetAddress() ), Client->GetRemoteUDPPort() );
Client->setUDPConnection( udpConn );
if ( !udpConn )
{
Console->Print( RED, BLACK, "Client %d: UDP port setup failed", Client->GetID() );
ClientDisconnected( Client );
}
u16 Port = Client->getUDPConn()->getPort();
if ( Port == 0 )
Console->Print( RED, BLACK, "Client->OpenUDP() failed" );
/* if(PortFix == 1) // removed, no more use
{
Port = Config->GetOptionInt("useudpport");
Console->Print(YELLOW, BLACK, "UDP Port set to non-standard for debugging!");
}; */
u32 IP;
std::string IPServerString;
// use [server_nat_ip] for server if client is NOT on [no_nat_net] (and [no_nat_net]!=0)
if ( strcmp( Config->GetOption( "no_nat_net" ).c_str(), "0" ) && strncmp( Client->GetAddress(), Config->GetOption( "no_nat_net" ).c_str(), strlen( Config->GetOption( "no_nat_net" ).c_str() ) ) )
{
IPServerString = Config->GetOption( "server_nat_ip" );
}
else // else client is "local" so use [server_ip]
{
IPServerString = Config->GetOption( "server_ip" );
}
IP = IPStringToDWord( IPServerString.c_str() );
//Console->Print("IP-1 %d", IP);
if ( IP == 0 )
IP = 0x0100007f;
//Console->Print("IP-2 %d", IP);
*( u32* )&GameInfo[13] = IP;
*( u16* )&GameInfo[17] = Port;
Console->Print( GREEN, BLACK, "[Info] Using UDP %s:%d on server", IPServerString.c_str(), Port );
*( u32* )&GameInfo[5] = Client->GetAccountID();
*( u32* )&GameInfo[9] = Client->GetCharID();
Console->Print( GREEN, BLACK, "[Info] Serving char id :%d", Client->GetCharID() );
Socket->write( GameInfo, 31 );
Socket->flushSendBuffer();
static const u8 READY[7] = {0xfe, 0x04, 0x00, 0x83, 0x0d, 0x00, 0x00};
Socket->write( READY, 7 );
State->TCP.mState = PGameState::TCP::GS_INGAME;
State->UDP.mState = PGameState::UDP::GUS_SYNC0;
//Console->Print("Sync Reset");
Client->ResetTransactionID();
// Mark char as Online
PChar *Char = Client->GetChar();
Char->SetOnlineStatus( true ); //Also using this info to check if Char may have to be saved at client disconnect
Client->ChangeCharLocation( Char->GetLocation(), true );
// hello-message from server..
/*
std::string serverName = Config->GetOption("server_name");
std::string helloMessage = "Welcome to " + serverName + " - A TinNS Neocron Server.";
char* message = (char*) helloMessage.c_str();
Chat->send(Client, CHAT_DIRECT, "System", message, false);
*/
bool SendBC = false;
if ( Config->GetOptionInt( "broadcast_new" ) == 1 )
{
if ( Config->GetOptionInt( "broadcast_new_hidestaff" ) == 1 )
{
if ( Client->GetAccountLevel() > PAL_REGPLAYER )
SendBC = false;
else
SendBC = true;
}
else
{
SendBC = true;
}
}
if ( SendBC == true )
{
std::string playerName = Chars->GetChar( Client->GetCharID() )->GetName();
std::string serverName = Config->GetOption( "server_name" );
std::string helloMessage = "Hello " + playerName + "! Welcome to " + serverName + " - A TinNS Neocron Server.";
char* message = ( char* ) helloMessage.c_str();
Chat->sendOOCBroadcast( message );
}
//Console->Print("UDP Setup: %s", nlGetErrorStr(nlGetError()));
}
else
{
Console->Print( RED, BLACK, "[Notice] Gameserver protocol error (GS_GAMEINFO): invalid packet [%04x]", *( u16* )&Packet[3] );
return ( false );
}
return ( true );
}
bool PGameServer::HandleCharList( PClient *Client, PGameState *State, const u8 *Packet, int PacketSize )
{
static u8 Answer[10] = {0xfe, 0x07, 0x00, 0x83, 0x86, 0, 0, 0, 0, 0};
ConnectionTCP *Socket = Client->getTCPConn();
if ( PacketSize > 9 && *( u16* )&Packet[3] == 0x8284 )
{
u8 Mode = Packet[9];
switch ( Mode )
{
case 6: // request list
return ( HandleRequestChars( Client, State, Packet ) );
case 5: // validate name
{
if ( PacketSize < 31 )
return ( false );
// check for valid name string
bool ValidString = false;
for ( int i = 30; i < PacketSize; i++ )
if ( Packet[i] == 0 )
{
ValidString = true;
break;
}
const char *Name = ( char* ) & Packet[30];
if ( ValidString )
{
ValidString = PChar::IsCharnameWellFormed( Name );
}
if ( ValidString )
{
if ( Chars->CharExist( std::string( Name ) ) )
{
ValidString = false;
}
}
if ( ValidString )
Answer[5] = 1; // ok
else
Answer[5] = 2; // 2..6 => 'char name already in use!'
// Answer[5] = 0; // => 'unknown error'
Socket->write( Answer, 10 );
return ( true );
}
case 3: // delete char
{
PAccount Acc( Client->GetAccountID() );
u8 Num = Packet[PacketSize-1];
if ( Acc.GetID() )
{
u32 CharID = Acc.GetCharIdBySlot( Num );
// Also check that char is out of game
if (( CharID != 0 ) && ( Chars->GetChar( CharID ) == NULL ) )
{
char query[100];
snprintf( query, 100, "DELETE FROM characters WHERE c_id = %d LIMIT 1", CharID );
if ( MySQL->GameQuery( query ) )
Console->Print( RED, BLACK, "[Notice] Char %d not deleted!", CharID );
else
{
Console->Print( GREEN, BLACK, "[Info] Char %d deleted!", CharID );
snprintf( query, 100, "DELETE FROM buddy_list WHERE bud_charid = %d", CharID );
if ( MySQL->GameQuery( query ) )
Console->Print( YELLOW, BLACK, "[Notice] Char %d's buddy list not removed!", CharID );
snprintf( query, 100, "DELETE FROM genrep WHERE g_charid = %d", CharID );
if ( MySQL->GameQuery( query ) )
Console->Print( YELLOW, BLACK, "[Notice] Char %d's genrep list not removed!", CharID );
snprintf( query, 100, "DELETE FROM inventory WHERE inv_charid = %d", CharID );
if ( MySQL->GameQuery( query ) )
Console->Print( YELLOW, BLACK, "[Notice] Char %d's inventory not removed!", CharID );
Appartements->DeleteCharAppartements( CharID );
}
}
else
return false;
}
return ( true );
}
case 7: // create char
{
if ( PacketSize < 64 )
return ( false );
u32 Slot = * ( u32* ) & Packet[30];
//u32 nClass =* (u32*)&Packet[34]; // Not used - indirectly redundant with Profession
u32 Profession = * ( u32* ) & Packet[38];
u32 Gender = * ( u32* ) & Packet[42];
u32 Head = * ( u32* ) & Packet[46];
u32 Torso = * ( u32* ) & Packet[50];
u32 Legs = * ( u32* ) & Packet[54];
u32 Faction = * ( u32* ) & Packet[58];
u8 NameLen = Packet[62];
u8 NZSNb = Packet[63];
char TempName[256];
std::strncpy( TempName, ( const char* )&Packet[64], NameLen );
TempName[NameLen] = 0;
Answer[5] = 2; // return error if char creation fails
if ( PChar::IsCharnameWellFormed( TempName ) )
{
// check for already used char name - should not happen though
if ( ! Chars->CharExist( std::string( TempName ) ) )
{
PAccount Acc( Client->GetAccountID() );
PChar* nChar = new PChar();
if ( nChar->CreateNewChar( Acc.GetID(), TempName, Gender, Profession, Faction,
Head, Torso, Legs, NZSNb, ( const char* )&Packet[64+NameLen], Slot ) )
{
Answer[5] = 1; // return success
}
delete nChar;
}
}
Socket->write( Answer, 10 );
return ( true );
}
}
}
else
{
Console->Print( RED, BLACK, "[Notice] Gameserver protocol error (GS_CHARLIST): invalid packet [%04x]", *( u16* )&Packet[3] );
return ( false );
}
return true;
}
bool PGameServer::HandleRequestChars( PClient *Client, PGameState *State, const u8 *Packet )
{
PAccount Account( Client->GetAccountID() );
if ( !Account.GetID() )
return false;
ConnectionTCP *Socket = Client->getTCPConn();
struct PCharList
{
u16 Unknown1;
u16 NumSlots;
u16 Unknown2;
} CharList;
PCharProfile CharEntry[MAX_CHARS_PER_ACCOUNT];
const int CHARBASESIZE = 28;
if ( *( u16* )&Packet[3] == 0x8284 )
{
CharList.NumSlots = MAX_CHARS_PER_ACCOUNT;
int NameLengths = 0;
for ( int i = 0; i < MAX_CHARS_PER_ACCOUNT; i++ )
{
CharEntry[i].CharID = 0;
CharEntry[i].Type = 0;
CharEntry[i].Color0 = 0;
CharEntry[i].Location = 1;
CharEntry[i].Unknown1 = 0;
CharEntry[i].Head = 0;
CharEntry[i].Torso = 0;
CharEntry[i].Legs = 0;
CharEntry[i].Unknown3 = 1;
CharEntry[i].Unknown4 = 1;
CharEntry[i].Unknown5 = 1;
CharEntry[i].Unknown6 = 1;
CharEntry[i].Unknown7 = 1;
CharEntry[i].Unknown8 = 0;
CharEntry[i].Unknown9 = 0;
CharEntry[i].Unknown10 = 0;
CharEntry[i].Unknown11 = 0;
CharEntry[i].Unknown12 = 0;
CharEntry[i].in_use = false;
}
Chars->GetCharProfiles( Account.GetID(), CharEntry, MAX_CHARS_PER_ACCOUNT );
for ( int i = 0; i < MAX_CHARS_PER_ACCOUNT; i++ )
{
if ( CharEntry[i].in_use )
{
NameLengths += CharEntry[i].NameLen;
}
else
{
CharEntry[i].CharID = 0xffffffff;
CharEntry[i].NameLen = 0;
}
}
u8 PacketHeader[5] = {0xfe, 0x00, 0x00, 0x83, 0x85};
*( u16* )&PacketHeader[1] = sizeof( u16 ) * 3 + ( MAX_CHARS_PER_ACCOUNT * CHARBASESIZE ) + NameLengths + 2;
Socket->write( PacketHeader, 5 );
CharList.Unknown1 = 0x0000;
CharList.Unknown2 = CHARBASESIZE;
Socket->write( CharList.Unknown1 );
Socket->write( CharList.NumSlots );
Socket->write( CharList.Unknown2 );
for ( int i = 0; i < MAX_CHARS_PER_ACCOUNT; i++ )
{
Socket->write( CharEntry[i].CharID );
Socket->write( CharEntry[i].Type );
Socket->write( CharEntry[i].Color0 );
Socket->write( CharEntry[i].Unknown1 );
Socket->write( CharEntry[i].Head );
Socket->write( CharEntry[i].Torso );
Socket->write( CharEntry[i].Legs );
Socket->write( CharEntry[i].Location );
Socket->write( CharEntry[i].NameLen );
Socket->write( CharEntry[i].Unknown3 );
Socket->write( CharEntry[i].Unknown4 );
Socket->write( CharEntry[i].Unknown5 );
Socket->write( CharEntry[i].Unknown6 );
Socket->write( CharEntry[i].Unknown7 );
Socket->write( CharEntry[i].Unknown8 );
Socket->write( CharEntry[i].Unknown9 );
Socket->write( CharEntry[i].Unknown10 );
Socket->write( CharEntry[i].Unknown11 );
Socket->write( CharEntry[i].Unknown12 );
if ( CharEntry[i].Name.length() > 0 )
{
Socket->write( CharEntry[i].Name.c_str() );
Socket->write(( u8 )0 );
}
}
State->TCP.mState = PGameState::TCP::GS_CHARLIST;
}
else
{
Console->Print( RED, BLACK, "Gameserver protocol error (GS_REQUESTCHARS): invalid packet [%04x]", *( u16* )&Packet[3] );
return ( false );
}
return ( true );
}
bool PGameServer::HandleAuthenticate( PClient *Client, PGameState *State, const u8 *Packet, int PacketSize )
{
ConnectionTCP *Socket = Client->getTCPConn();
if ( PacketSize > 20 && *( u16* )&Packet[3] == 0x8084 )
{
// authentication method #1
const u8 *Key = &Packet[5]; // password key
u16 ULen = *( u16* ) & Packet[16]; // username length
u16 PLen = *( u16* ) & Packet[18]; // password length
char *UserName = ( char* ) & Packet[20]; // account name
const u8 *PW = &Packet[20+ULen]; // encoded password
// Safety controls
if ( 15 + ULen + PLen > PacketSize )
{
Console->Print( RED, BLACK, "[Notice] Gameserver protocol error (GS_AUTHENTICATE): Exessive internal size fields" );
return false;
}
if ( strnlen( UserName, ULen ) == ULen )
{
Console->Print( RED, BLACK, "[Notice] Gameserver protocol error (GS_AUTHENTICATE): non-terminated username field" );
return false;
}
bool Failed = false;
PAccount Account( UserName );
if ( Account.GetID() == 0 )
{
Console->Print( YELLOW, BLACK, "[Info] Gameserver: Unknown user %s", UserName );
Failed = true;
}
else if ( !Account.Authenticate( PW, PLen, Key ) )
{
Console->Print( YELLOW, BLACK, "[Info] Gameserver: User '%s': authentication failed", UserName );
Failed = true;
}
if ( !Failed )
{
Console->Print( GREEN, BLACK, "[Info] Gameserver: User '%s' authentication successful", UserName );
if ( Account.GetLevel() == PAL_BANNED )
{
Console->Print( YELLOW, BLACK, "[Info] User %s is banned, connection refused", UserName );
// TODO: ban ip for an adjustable time span?
Failed = true; // player is banned
}
if ( Account.GetLevel() == PAL_UNREGPLAYER || Account.GetLevel() == PAL_REGPLAYER )
{
if ( Server->GetNumClients() > Server->GetMaxClients() )
{
Console->Print( YELLOW, BLACK, "[Info] Server full, refusing connection from user '%s'", UserName );
Failed = true; // server full
}
}
}
if ( Failed )
{
// TODO: is this packet correct here?
u8 AUTHFAILED[15] = {0xfe, 0x0c, 0x00, 0x83, 0x86, 0x05, 0x00, 0x06, 0x00, 'E', 'R',
'R', 'O', 'R', 0
};
// TODO: send actual reason instead of ERROR
Socket->write( AUTHFAILED, 15 );
FinalizeClientDelayed( Client, State );
State->TCP.mState = PGameState::TCP::GS_UNKNOWN;
Console->Print( YELLOW, BLACK, "[Info] Gameserver: User '%s' login refused", UserName );
}
else
{
Client->LoggedIn( &Account );
u8 AUTHOK[28] = {0xfe, 0x19, 0x00, 0x83, 0x81, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
*( u32* )&AUTHOK[5] = Account.GetID();
Socket->write( AUTHOK, 28 );
State->TCP.mState = PGameState::TCP::GS_GAMEDATA;
Console->Print( GREEN, BLACK, "[Info] Gameserver: User '%s' logged in", UserName );
}
}
else if ( PacketSize > 29 && *( u16* )&Packet[3] == 0x0183 )
{
// authentication method #2, sent when game starts
const u8 *Key = &Packet[13]; // password key
u16 PLen = *( u16* ) & Packet[25]; // password length
u16 ULen = *( u16* ) & Packet[27]; // username length
char *UserName = ( char* ) & Packet[29]; // account name
const u8 *PW = &Packet[29+ULen]; // encoded password
// Safety controls
if ( 24 + ULen + PLen > PacketSize )
{
Console->Print( RED, BLACK, "[Notice] Gameserver protocol error (GS_AUTHENTICATE): Exessive internal size fields" );
return false;
}
if ( strnlen( UserName, ULen ) == ULen )
{
Console->Print( RED, BLACK, "[Notice] Gameserver protocol error (GS_AUTHENTICATE): non-terminated username field" );
return false;
}
bool Failed = false;
PAccount Account( UserName );
if ( Account.GetID() == 0 )
{
Console->Print( YELLOW, BLACK, "[Info] Gameserver: Unknown user %s", UserName );
Failed = true;
}
else if ( !Account.Authenticate( PW, PLen, Key ) )
{
Console->Print( YELLOW, BLACK, "[Info] Gameserver: User '%s': authentication failed", UserName );
Failed = true;
}
if ( !Failed )
{
if ( Account.GetLevel() == PAL_BANNED )
{
Console->Print( YELLOW, BLACK, "[Info] User %s is banned, connection refused", UserName );
// TODO: ban ip for an adjustable time span?
Failed = true; // player is banned
}
if ( Account.GetLevel() == PAL_UNREGPLAYER || Account.GetLevel() == PAL_REGPLAYER )
{
if ( Server->GetNumClients() > ( Server->GetMaxClients() - Server->GetGMSlots() ) )
{
Console->Print( YELLOW, BLACK, "[Info] Server full, refusing connection from regular user '%s'", UserName );
Failed = true; // server full for non-GM users
}
}
else if ( Config->GetOptionInt( "require_validation" ) == 1 && Account.GetLevel() == PAL_UNREGPLAYER )
{
Console->Print( YELLOW, BLACK, "[Info] Rejecting connection from regular user '%s', account not activated yet", UserName );
Failed = true;
}
else if ( Config->GetOptionInt( "minlevel" ) > Account.GetLevel() )
{
Console->Print( YELLOW, BLACK, "[Info] Rejecting connection from regular user '%s', insufficient level %d vs %d required", UserName, Account.GetLevel(), Config->GetOptionInt( "minlevel" ) );
Failed = true;
}
else if ( Server->GetNumClients() > Server->GetMaxClients() )
{
Console->Print( YELLOW, BLACK, "[Info] Server full, refusing connection from privileged user '%s'", UserName );
Failed = true; // server full even for GM users
}
}
if ( !Failed )
{
int value = *( u32* ) & Packet[21];//i think here we must read u32 instead of u8
u32 CharID = Account.GetCharIdBySlot( value );
if ( Chars->LoadChar( CharID ) )
{
Client->SetCharID( CharID );
}
else
{
Failed = true;
}
}
if ( Failed ) // something strange happened
FinalizeClientDelayed( Client, State );
else
{
Client->LoggedIn( &Account );
/*u8 AUTHOK[28]={0xfe, 0x19, 0x00, 0x83, 0x81, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
*(u32*)&AUTHOK[5]=Account->GetID();
Socket->Write(AUTHOK, 28);*/
//Client->SetRemoteUDPAddr(*(u32*)&Packet[5], *(u16*)&Packet[9]);
State->TCP.mState = PGameState::TCP::GS_GETSTATUS;
Console->Print( "Gameserver: User '%s' entered game (%08x:%04x)", UserName, *( u32* )&Packet[5], *( u16* )&Packet[9] );
Client->SetRemoteUDPPort( *( int* )&Packet[9] );
}
}
else
{
Console->Print( RED, BLACK, "[Notice] Gameserver protocol error (GS_AUTHENTICATE): invalid packet [%04x]", *( u16* )&Packet[3] );
return ( false );
}
return ( true );
}
bool PPatchServer::HandleFileRequests(PClient *Client, PPatchState *State, const u8 *Packet, int PacketSize)
{
static u8 STARTPATCH[13]={0xfe, 0x0a, 0x00, 0x38, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static u8 STARTFILE[13]={0xfe, 0x0a, 0x00, 0x3b, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static u8 FILEERROR[9]={0xfe, 0x06, 0x00, 0x3d, 0x02, 0x00, 0x00, 0x00, 0x00};
ConnectionTCP *Socket = Client->getTCPConn();
// request patch
if(PacketSize==13 && *(u16*)&Packet[3]==0x007c)
{
int nmax = Config->GetOptionInt("max_file_xfers");
if(mNumFileTransfers>=nmax)
{
Console->Print("Patchserver: max file xfers exceed, killing client %i", Client->GetIndex());
return false;
}
if(State->mPatchFile)
{
std::fclose(State->mPatchFile);
State->mPatchFile=0;
--mNumFileTransfers;
}
if(State->mSendFile)
{
Filesystem->Close(State->mSendFile);
State->mSendFile=0;
--mNumFileTransfers;
}
State->mSerial = *(u16*)&Packet[7];
State->mCurrentPatch = *(u32*)&Packet[9];
Console->Print("Patchserver: Patch request from client %i (v%i)", Client->GetIndex(), State->mCurrentPatch);
if((bool)(State->mPatchSize = StartPatch(State)))
{
Console->Print("Patchserver: Patch is available, %d bytes", State->mPatchSize);
*(u16*)&STARTPATCH[7]=State->mSerial;
*(u32*)&STARTPATCH[9]=State->mPatchSize;
Socket->write(STARTPATCH, 13);
State->mState = PPatchState::PS_SENDPATCH;
} else
{
Console->Print("Patchserver: Patch not available");
*(u16*)&FILEERROR[7]=State->mSerial;
Socket->write(FILEERROR, 9);
FinalizeClientDelayed(Client, State);
State->mState=PPatchState::PS_UNKNOWN;
return true;
}
} else
// request file
if(PacketSize > 9 && *(u16*)&Packet[3]==0x004d)
{
int nmax = Config->GetOptionInt("max_file_xfers");
if(mNumFileTransfers>=nmax)
{
Console->Print("Patchserver: max file xfers exceed, killing client %i", Client->GetIndex());
return false;
}
if(State->mPatchFile)
{
std::fclose(State->mPatchFile);
State->mPatchFile=0;
--mNumFileTransfers;
}
if(State->mSendFile)
{
Filesystem->Close(State->mSendFile);
State->mSendFile=0;
--mNumFileTransfers;
}
// request file
State->mSerial = *(u16*)&Packet[7];
char fn[256];
strncpy(fn, (const char*)&Packet[10], Packet[9]);
fn[Packet[9]]=0;
State->mCurrentFile = fn;
Console->Print("Patchserver: File request from client %i (%s)", Client->GetIndex(), fn);
if((bool)(State->mFileSize = StartFile(State)))
{
Console->Print("Patchserver: File %s is available, %d bytes", State->mCurrentFile.c_str(), State->mFileSize);
*(u16*)&STARTFILE[7]=State->mSerial;
*(u32*)&STARTFILE[9]=State->mFileSize;
Socket->write(STARTFILE, 13);
State->mState = PPatchState::PS_SENDFILE;
} else
{
Console->Print("Patchserver: Requested file %s not available", State->mCurrentFile.c_str());
*(u16*)&FILEERROR[7]=State->mSerial;
Socket->write(FILEERROR, 9);
FinalizeClientDelayed(Client, State);
State->mState=PPatchState::PS_UNKNOWN;
return true;
}
} else
// send patch data
if(PacketSize==17 && *(u16*)&Packet[3]==0x007d)
{
State->mSerial = *(u16*)&Packet[7];
State->mCurrentPatch = *(u32*)&Packet[9];
State->mPatchOffset = *(u32*)&Packet[13];
if(!SendPatchData(Client, State))
{
Console->Print("Patchserver: SendPatchData failed on client %i", Client->GetIndex());
Console->Print("Patchserver: (probably due to garbage packets)");
// state is undefined now, kill this client
return false;
}
} else
// send file data
if(PacketSize > 13 && *(u16*)&Packet[3]==0x00037)
{
State->mSerial = *(u16*)&Packet[7];
State->mFileOffset = *(u32*)&Packet[9];
if(!SendFileData(Client, State))
{
Console->Print("Patchserver: SendFileData failed on client %i", Client->GetIndex());
Console->Print("Patchserver: (probably due to garbage packets)");
// state is undefined now, kill this client
return false;
}
} else
{
Console->Print("Patchserver protocol error (PS_GETPATCHORFILE): unknown packet");
return false;
}
return true;
}
