bool operator()(SERVER_s s1, SERVER_s s2) const
{
// [BB] NETWORK_AddressToString uses a static char array to generate the string, so we
// need to cache the string conversion of the first string when comparing to two.
// Note: Because we need a "<" comparison and not a "!=" comparison we can't use
// NETWORK_CompareAddress.
std::string address1 = NETWORK_AddressToString ( s1.Address );
return ( stricmp ( address1.c_str(), NETWORK_AddressToString ( s2.Address ) ) < 0 );
}
//*****************************************************************************
//
void SERVER_RCON_Tick( )
{
// Remove timed-out candidates.
for ( unsigned int i = 0; i < g_Candidates.Size( ); )
{
if (( gametic - g_Candidates[i].iLastMessageTic ) >= ( RCON_CANDIDATE_TIMEOUT_TIME * TICRATE ))
g_Candidates.Delete( i );
else
i++;
}
// Remove timed-out clients.
for ( unsigned int i = 0; i < g_AuthedClients.Size( ); )
{
if (( gametic - g_AuthedClients[i].iLastMessageTic ) >= ( RCON_CLIENT_TIMEOUT_TIME * TICRATE ))
{
Printf( "RCON client at %s timed out.\n", NETWORK_AddressToString( g_AuthedClients[i].Address ));
g_AuthedClients.Delete( i );
SERVER_RCON_UpdateInfo( SVRCU_ADMINCOUNT );
}
else
i++;
}
g_BadRequestFloodQueue.adjustHead( gametic / 1000 );
}
static void main_AttemptConnection( )
{
char szBuffer[128];
// Update the GUI.
time( &g_tLastSentCommand );
main_SetState( STATE_CONNECTING );
sprintf( szBuffer, "Connecting to %s...", NETWORK_AddressToString( g_ServerAddress ));
main_UpdateStatusbar( szBuffer );
main_UpdateTrayTooltip( szBuffer );
GetDlgItemText( g_hDlg, IDC_SERVERIP, szBuffer, 128 );
// Save this server to our config file.
g_Config.SetSection( "Settings", true );
g_Config.SetValueForKey( "LastServer", szBuffer );
g_Config.WriteConfigFile( );
// Start listening for packets.
if ( g_hThread == NULL )
{
g_hThread = CreateThread( NULL, 0, main_Loop, 0, 0, 0 );
NETWORK_InitBuffer( &g_MessageBuffer, 8192, BUFFERTYPE_WRITE );
}
NETWORK_ClearBuffer( &g_MessageBuffer );
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, CLRC_BEGINCONNECTION );
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, PROTOCOL_VERSION );
NETWORK_LaunchPacket( &g_MessageBuffer, g_ServerAddress );
}
//*****************************************************************************
//
void MASTERSERVER_AddServer( const SERVER_s &Server, std::set<SERVER_s, SERVERCompFunc> &ServerSet )
{
std::set<SERVER_s, SERVERCompFunc>::iterator addedServer = ServerSet.insert ( Server ).first;
if ( addedServer == ServerSet.end() )
printf( "ERROR: Adding new entry to the set failed. This should not happen!\n" );
else
{
addedServer->lLastReceived = g_lCurrentTime;
if ( &ServerSet == &g_Servers )
{
printf( "+ Adding %s (revision %d) to the server list.\n", NETWORK_AddressToString( addedServer->Address ), addedServer->iServerRevision );
MASTERSERVER_SendBanlistToServer( *addedServer );
}
else
printf( "+ Adding %s (revision %d) to the verification list.\n", NETWORK_AddressToString( addedServer->Address ), addedServer->iServerRevision );
}
}
//*****************************************************************************
//
void MASTERSERVER_SendBanlistToServer( const SERVER_s &Server )
{
// [BB] If the server supports it, potentially split the ban list over multiple packets.
if ( Server.iServerRevision >= 2907 )
{
BanlistPacketSender sender ( Server );
sender.start();
// Write all the bans.
for ( unsigned int i = 0; i < g_BannedIPs.size( ); ++i )
sender.writeBanEntry ( g_BannedIPs.getEntryAsString( i, false, false, false ).c_str( ), MSB_BAN );
// Write all the exceptions.
for ( unsigned int i = 0; i < g_BannedIPExemptions.size( ); ++i )
sender.writeBanEntry ( g_BannedIPExemptions.getEntryAsString( i, false, false, false ).c_str( ), MSB_BANEXEMPTION );
sender.end();
}
else
{
NETWORK_ClearBuffer( &g_MessageBuffer );
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, MASTER_SERVER_BANLIST );
// [BB] If the server sent us a verification string, send it along with the ban list.
// This allows the server to verify that the list actually was sent from our master
// (and is not just a packet with forged source IP).
if ( Server.MasterBanlistVerificationString.size() )
NETWORK_WriteString( &g_MessageBuffer.ByteStream, Server.MasterBanlistVerificationString.c_str() );
// Write all the bans.
NETWORK_WriteLong( &g_MessageBuffer.ByteStream, g_BannedIPs.size( ));
for ( ULONG i = 0; i < g_BannedIPs.size( ); i++ )
NETWORK_WriteString( &g_MessageBuffer.ByteStream, g_BannedIPs.getEntryAsString( i, false, false, false ).c_str( ));
// Write all the exceptions.
NETWORK_WriteLong( &g_MessageBuffer.ByteStream, g_BannedIPExemptions.size( ));
for ( ULONG i = 0; i < g_BannedIPExemptions.size( ); i++ )
NETWORK_WriteString( &g_MessageBuffer.ByteStream, g_BannedIPExemptions.getEntryAsString( i, false, false, false ).c_str( ));
NETWORK_LaunchPacket( &g_MessageBuffer, Server.Address );
}
Server.bHasLatestBanList = true;
Server.bVerifiedLatestBanList = false;
printf( "-> Banlist sent to %s.\n", NETWORK_AddressToString( Server.Address ));
}
//*****************************************************************************
//
void CALLVOTE_Tick( void )
{
ULONG ulNumYes;
ULONG ulNumNo;
switch ( g_VoteState )
{
case VOTESTATE_NOVOTE:
break;
case VOTESTATE_INVOTE:
// [RC] Hide the voteing screen shortly after voting.
if ( g_ulShowVoteScreenTicks )
g_ulShowVoteScreenTicks--;
if ( g_ulVoteCountdownTicks )
{
g_ulVoteCountdownTicks--;
if (( NETWORK_GetState( ) != NETSTATE_CLIENT ) &&
( CLIENTDEMO_IsPlaying( ) == false ) &&
( g_ulVoteCountdownTicks == 0 ))
{
ulNumYes = callvote_CountPlayersWhoVotedYes( );
ulNumNo = callvote_CountPlayersWhoVotedNo( );
if (( ulNumYes > 0 ) && ( ulNumYes > ulNumNo ))
g_bVotePassed = true;
else
g_bVotePassed = false;
callvote_EndVote( );
}
}
break;
case VOTESTATE_VOTECOMPLETED:
if ( g_ulVoteCompletedTicks )
{
if ( --g_ulVoteCompletedTicks == 0 )
{
g_PreviousVotes.back( ).bPassed = g_bVotePassed;
// If the vote passed, execute the command string.
if (( g_bVotePassed ) && ( !g_bVoteCancelled ) &&
( NETWORK_GetState( ) != NETSTATE_CLIENT ) &&
( CLIENTDEMO_IsPlaying( ) == false ))
{
// [BB, RC] If the vote is a kick vote, we have to rewrite g_VoteCommand to both use the stored IP, and temporarily ban it.
// [Dusk] Write the kick reason into the ban reason, [BB] but only if it's not empty.
// [BB] "forcespec" votes need a similar handling.
if ( ( strncmp( g_VoteCommand, "kick", 4 ) == 0 ) || ( strncmp( g_VoteCommand, "forcespec", 9 ) == 0 ) )
{
if ( strncmp( g_VoteCommand, "kick", 4 ) == 0 )
g_VoteCommand.Format( "addban %s 10min \"Vote kick", NETWORK_AddressToString( g_KickVoteVictimAddress ) );
else
g_VoteCommand.Format( "kickfromgame_idx %d \"Vote forcespec", static_cast<int>(SERVER_FindClientByAddress ( g_KickVoteVictimAddress )) );
g_VoteCommand.AppendFormat( ", %d to %d", static_cast<int>(callvote_CountPlayersWhoVotedYes( )), static_cast<int>(callvote_CountPlayersWhoVotedNo( )) );
if ( g_VoteReason.IsNotEmpty() )
g_VoteCommand.AppendFormat ( " (%s)", g_VoteReason.GetChars( ) );
g_VoteCommand += ".\"";
}
AddCommandString( (char *)g_VoteCommand.GetChars( ));
}
// Reset the module.
CALLVOTE_ClearVote( );
}
}
break;
}
}
//*****************************************************************************
//
int main( int argc, char **argv )
{
BYTESTREAM_s *pByteStream;
std::cerr << "=== Zandronum Master ===\n";
std::cerr << "Revision: "SVN_REVISION_STRING"\n";
std::cerr << "Port: " << DEFAULT_MASTER_PORT << std::endl << std::endl;
// Initialize the network system.
NETWORK_Construct( DEFAULT_MASTER_PORT, ( ( argc >= 4 ) && ( stricmp ( argv[2], "-useip" ) == 0 ) ) ? argv[3] : NULL );
// Initialize the message buffer we send messages to the launcher in.
NETWORK_InitBuffer( &g_MessageBuffer, MAX_UDP_PACKET, BUFFERTYPE_WRITE );
NETWORK_ClearBuffer( &g_MessageBuffer );
// Initialize the bans subsystem.
std::cerr << "Initializing ban list...\n";
MASTERSERVER_InitializeBans( );
int lastParsingTime = I_GetTime( );
int lastBanlistVerificationTimeout = lastParsingTime;
// [BB] Do we want to hide servers that ignore our ban list?
if ( ( argc >= 2 ) && ( stricmp ( argv[1], "-DontHideBanIgnoringServers" ) == 0 ) )
{
std::cerr << "Note: Servers that do not enforce our ban list are shown." << std::endl;
g_bHideBanIgnoringServers = false;
}
else
{
std::cerr << "Note: Servers that do not enforce our ban list are hidden." << std::endl;
g_bHideBanIgnoringServers = true;
}
// Done setting up!
std::cerr << "\n=== Master server started! ===\n";
while ( 1 )
{
g_lCurrentTime = I_GetTime( );
I_DoSelect( );
while ( NETWORK_GetPackets( ))
{
// Set up our byte stream.
pByteStream = &NETWORK_GetNetworkMessageBuffer( )->ByteStream;
pByteStream->pbStream = NETWORK_GetNetworkMessageBuffer( )->pbData;
pByteStream->pbStreamEnd = pByteStream->pbStream + NETWORK_GetNetworkMessageBuffer( )->ulCurrentSize;
// Now parse the packet.
MASTERSERVER_ParseCommands( pByteStream );
}
// Update the ignore queues.
g_queryIPQueue.adjustHead ( g_lCurrentTime );
g_floodProtectionIPQueue.adjustHead ( g_lCurrentTime );
g_ShortFloodQueue.adjustHead ( g_lCurrentTime );
// See if any servers have timed out.
MASTERSERVER_CheckTimeouts( );
if ( g_lCurrentTime > lastBanlistVerificationTimeout + 10 )
{
for( std::set<SERVER_s, SERVERCompFunc>::iterator it = g_Servers.begin(); it != g_Servers.end(); ++it )
{
if ( ( it->bVerifiedLatestBanList == false ) && ( it->bNewFormatServer == true ) )
{
it->bHasLatestBanList = false;
std::cerr << "No receipt received from " << NETWORK_AddressToString ( it->Address ) << ". Resending banlist.\n";
}
}
lastBanlistVerificationTimeout = g_lCurrentTime;
}
// [BB] Reparse the ban list every 15 minutes.
if ( g_lCurrentTime > lastParsingTime + 15*60 )
{
std::cerr << "~ Reparsing the ban lists...\n";
MASTERSERVER_InitializeBans( );
lastParsingTime = g_lCurrentTime;
}
}
return ( 0 );
}
//*****************************************************************************
//
void MASTERSERVER_CheckTimeouts( std::set<SERVER_s, SERVERCompFunc> &ServerSet )
{
// [BB] Because we are erasing entries from the set, the iterator has to be incremented inside
// the loop, depending on whether and element was erased or not.
for( std::set<SERVER_s, SERVERCompFunc>::iterator it = ServerSet.begin(); it != ServerSet.end(); )
{
// If the server has timed out, make it an open slot!
if (( g_lCurrentTime - it->lLastReceived ) >= 60 )
{
printf( "- %server at %s timed out.\n", ( &ServerSet == &g_UnverifiedServers ) ? "Unverified s" : "S", NETWORK_AddressToString( it->Address ));
// [BB] The standard does not require set::erase to return the incremented operator,
// that's why we must use the post increment operator here.
ServerSet.erase ( it++ );
continue;
}
else
{
// [BB] If the server doesn't have the latest ban list, send it now.
// This construction has the drawback that all servers are updated at once.
// Possibly it will be necessary to do this differently.
if ( it->bHasLatestBanList == false )
MASTERSERVER_SendBanlistToServer( *it );
++it;
}
}
}
//*****************************************************************************
//
void MASTERSERVER_ParseCommands( BYTESTREAM_s *pByteStream )
{
long lCommand;
NETADDRESS_s AddressFrom;
AddressFrom = NETWORK_GetFromAddress( );
// [RC] If this IP is in our flood queue, ignore it completely.
if ( g_floodProtectionIPQueue.addressInQueue( AddressFrom ) || g_ShortFloodQueue.addressInQueue( AddressFrom ))
{
while ( NETWORK_ReadByte( pByteStream ) != -1 ) // [RC] Is this really necessary?
;
return;
}
// Is this IP banned? Send the user an explanation, and ignore the IP for 30 seconds.
if ( !g_BannedIPExemptions.isIPInList( AddressFrom ) && g_BannedIPs.isIPInList( AddressFrom ))
{
NETWORK_ClearBuffer( &g_MessageBuffer );
NETWORK_WriteLong( &g_MessageBuffer.ByteStream, MSC_IPISBANNED );
NETWORK_LaunchPacket( &g_MessageBuffer, AddressFrom );
printf( "* Received challenge from banned IP (%s). Ignoring for 10 seconds.\n", NETWORK_AddressToString( AddressFrom ));
g_queryIPQueue.addAddress( AddressFrom, g_lCurrentTime, &std::cerr );
return;
}
lCommand = NETWORK_ReadLong( pByteStream );
switch ( lCommand )
{
// Server is telling master server of its existence.
case SERVER_MASTER_CHALLENGE:
{
// Certain IPs can be blocked from just hosting.
if ( !g_BannedIPExemptions.isIPInList( AddressFrom ) && g_BlockedIPs.isIPInList( AddressFrom ))
{
NETWORK_ClearBuffer( &g_MessageBuffer );
NETWORK_WriteLong( &g_MessageBuffer.ByteStream, MSC_IPISBANNED );
NETWORK_LaunchPacket( &g_MessageBuffer, AddressFrom );
printf( "* Received server challenge from blocked IP (%s). Ignoring for 10 seconds.\n", NETWORK_AddressToString( AddressFrom ));
g_queryIPQueue.addAddress( AddressFrom, g_lCurrentTime, &std::cerr );
return;
}
SERVER_s newServer;
newServer.Address = AddressFrom;
// [BB] If no verification string was send, NETWORK_ReadString just returns an empty string.
// Thus, this is still compatible with older servers that don't send the string.
newServer.MasterBanlistVerificationString = NETWORK_ReadString( pByteStream );
// [BB] If no value was send, NETWORK_ReadByte just returns -1.
// Thus, this is still compatible with older servers that don't tell us whether they enforce our bans
// and gives them the benefit of the doubt, i.e. it assumes that they enforce our bans.
const int temp = NETWORK_ReadByte( pByteStream );
newServer.bEnforcesBanList = ( temp != 0 );
newServer.bNewFormatServer = ( temp != -1 );
newServer.iServerRevision = ( ( pByteStream->pbStreamEnd - pByteStream->pbStream ) >= 4 ) ? NETWORK_ReadLong( pByteStream ) : NETWORK_ReadShort( pByteStream );
std::set<SERVER_s, SERVERCompFunc>::iterator currentServer = g_Servers.find ( newServer );
// This is a new server; add it to the list.
if ( currentServer == g_Servers.end() )
{
unsigned int iNumOtherServers = 0;
// First count the number of servers from this IP.
for( std::set<SERVER_s, SERVERCompFunc>::const_iterator it = g_Servers.begin(); it != g_Servers.end(); ++it )
{
if ( NETWORK_CompareAddress( it->Address, AddressFrom, true ))
iNumOtherServers++;
}
if ( iNumOtherServers >= 10 && !g_MultiServerExceptions.isIPInList( AddressFrom ))
printf( "* More than 10 servers received from %s. Ignoring request...\n", NETWORK_AddressToString( AddressFrom ));
else
{
// [BB] 3021 is 98d, don't put those servers on the list.
if ( ( newServer.bNewFormatServer ) && ( newServer.iServerRevision != 3021 ) )
{
std::set<SERVER_s, SERVERCompFunc>::iterator currentUnverifiedServer = g_UnverifiedServers.find ( newServer );
// [BB] This is a new server, but we still need to verify it.
if ( currentUnverifiedServer == g_UnverifiedServers.end() )
{
srand ( time(NULL) );
newServer.ServerVerificationInt = rand() + rand() * rand() + rand() * rand() * rand();
// [BB] We don't send the ban list to unverified servers, so just pretent the server already has the list.
newServer.bHasLatestBanList = true;
MASTERSERVER_RequestServerVerification ( newServer );
MASTERSERVER_AddServer( newServer, g_UnverifiedServers );
}
}
else
{
printf( "* Received server challenge from old server (%s). Ignoring IP for 10 seconds.\n", NETWORK_AddressToString( newServer.Address ));
g_queryIPQueue.addAddress( newServer.Address, g_lCurrentTime, &std::cerr );
}
}
}
// Command is from a server already on the list. It's just sending us a heartbeat.
else
{
// [BB] Only if the verification string matches.
if ( stricmp ( currentServer->MasterBanlistVerificationString.c_str(), newServer.MasterBanlistVerificationString.c_str() ) == 0 )
{
currentServer->lLastReceived = g_lCurrentTime;
// [BB] The server possibly changed the ban setting, so update it.
currentServer->bEnforcesBanList = newServer.bEnforcesBanList;
}
}
// Ignore IP for 10 seconds.
// if ( !g_MultiServerExceptions.isIPInList( Address ) )
// g_floodProtectionIPQueue.addAddress( AddressFrom, g_lCurrentTime, &std::cerr );
return;
}
case SERVER_MASTER_VERIFICATION:
{
SERVER_s newServer;
newServer.Address = AddressFrom;
newServer.MasterBanlistVerificationString = NETWORK_ReadString( pByteStream );
newServer.ServerVerificationInt = NETWORK_ReadLong( pByteStream );
std::set<SERVER_s, SERVERCompFunc>::iterator currentServer = g_UnverifiedServers.find ( newServer );
// [BB] Apparently, we didn't request any verification from this server, so ignore it.
if ( currentServer == g_UnverifiedServers.end() )
return;
if ( ( stricmp ( newServer.MasterBanlistVerificationString.c_str(), currentServer->MasterBanlistVerificationString.c_str() ) == 0 )
&& ( newServer.ServerVerificationInt == currentServer->ServerVerificationInt ) )
{
MASTERSERVER_AddServer( *currentServer, g_Servers );
g_UnverifiedServers.erase ( currentServer );
}
return;
}
case SERVER_MASTER_BANLIST_RECEIPT:
{
SERVER_s server;
server.Address = AddressFrom;
server.MasterBanlistVerificationString = NETWORK_ReadString( pByteStream );
std::set<SERVER_s, SERVERCompFunc>::iterator currentServer = g_Servers.find ( server );
// [BB] We don't know the server. Just ignore it.
if ( currentServer == g_Servers.end() )
return;
if ( stricmp ( server.MasterBanlistVerificationString.c_str(), currentServer->MasterBanlistVerificationString.c_str() ) == 0 )
{
currentServer->bVerifiedLatestBanList = true;
std::cerr << NETWORK_AddressToString ( AddressFrom ) << " acknowledged receipt of the banlist.\n";
}
}
return;
// Launcher is asking master server for server list.
case LAUNCHER_SERVER_CHALLENGE:
case LAUNCHER_MASTER_CHALLENGE:
{
NETWORK_ClearBuffer( &g_MessageBuffer );
// Did this IP query us recently? If so, send it an explanation, and ignore it completely for 3 seconds.
if ( g_queryIPQueue.addressInQueue( AddressFrom ))
{
NETWORK_WriteLong( &g_MessageBuffer.ByteStream, MSC_REQUESTIGNORED );
NETWORK_LaunchPacket( &g_MessageBuffer, AddressFrom );
printf( "* Extra launcher challenge from %s. Ignoring for 3 seconds.\n", NETWORK_AddressToString( AddressFrom ));
g_ShortFloodQueue.addAddress( AddressFrom, g_lCurrentTime, &std::cerr );
return;
}
// [BB] The launcher only sends the protocol version with LAUNCHER_MASTER_CHALLENGE.
if ( lCommand == LAUNCHER_MASTER_CHALLENGE )
{
// [BB] Check if the requested version of the protocol matches ours.
const unsigned short usVersion = NETWORK_ReadShort( pByteStream );
if ( usVersion != MASTER_SERVER_VERSION )
{
NETWORK_WriteLong( &g_MessageBuffer.ByteStream, MSC_WRONGVERSION );
NETWORK_LaunchPacket( &g_MessageBuffer, AddressFrom );
return;
}
}
printf( "-> Sending server list to %s.\n", NETWORK_AddressToString( AddressFrom ));
// Wait 10 seconds before sending this IP the server list again.
g_queryIPQueue.addAddress( AddressFrom, g_lCurrentTime, &std::cerr );
switch ( lCommand )
{
case LAUNCHER_SERVER_CHALLENGE:
// Send the list of servers.
NETWORK_WriteLong( &g_MessageBuffer.ByteStream, MSC_BEGINSERVERLIST );
for( std::set<SERVER_s, SERVERCompFunc>::const_iterator it = g_Servers.begin(); it != g_Servers.end(); ++it )
{
// [BB] Possibly omit servers that don't enforce our ban list.
if ( ( it->bEnforcesBanList == true ) || ( g_bHideBanIgnoringServers == false ) )
MASTERSERVER_SendServerIPToLauncher ( it->Address, &g_MessageBuffer.ByteStream );
}
// Tell the launcher that we're done sending servers.
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, MSC_ENDSERVERLIST );
// Send the launcher our packet.
NETWORK_LaunchPacket( &g_MessageBuffer, AddressFrom );
return;
case LAUNCHER_MASTER_CHALLENGE:
const unsigned long ulMaxPacketSize = 1024;
unsigned long ulPacketNum = 0;
std::set<SERVER_s, SERVERCompFunc>::const_iterator it = g_Servers.begin();
NETWORK_WriteLong( &g_MessageBuffer.ByteStream, MSC_BEGINSERVERLISTPART );
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, ulPacketNum );
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, MSC_SERVERBLOCK );
unsigned long ulSizeOfPacket = 6; // 4 (MSC_BEGINSERVERLISTPART) + 1 (0) + 1 (MSC_SERVERBLOCK)
while ( it != g_Servers.end() )
{
NETADDRESS_s serverAddress = it->Address;
std::vector<USHORT> serverPortList;
do {
// [BB] Possibly omit servers that don't enforce our ban list.
if ( ( it->bEnforcesBanList == true ) || ( g_bHideBanIgnoringServers == false ) )
serverPortList.push_back ( it->Address.usPort );
++it;
} while ( ( it != g_Servers.end() ) && NETWORK_CompareAddress( it->Address, serverAddress, true ) );
// [BB] All servers on this IP ignore the list, nothing to send.
if ( serverPortList.size() == 0 )
continue;
const unsigned long ulServerBlockNetSize = MASTERSERVER_CalcServerIPBlockNetSize( serverAddress, serverPortList );
// [BB] If sending this block would cause the current packet to exceed ulMaxPacketSize ...
if ( ulSizeOfPacket + ulServerBlockNetSize > ulMaxPacketSize - 1 )
{
// [BB] ... close the current packet and start a new one.
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, 0 ); // [BB] Terminate MSC_SERVERBLOCK by sending 0 ports.
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, MSC_ENDSERVERLISTPART );
NETWORK_LaunchPacket( &g_MessageBuffer, AddressFrom );
NETWORK_ClearBuffer( &g_MessageBuffer );
++ulPacketNum;
ulSizeOfPacket = 5;
NETWORK_WriteLong( &g_MessageBuffer.ByteStream, MSC_BEGINSERVERLISTPART );
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, ulPacketNum );
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, MSC_SERVERBLOCK );
}
ulSizeOfPacket += ulServerBlockNetSize;
MASTERSERVER_SendServerIPBlockToLauncher ( serverAddress, serverPortList, &g_MessageBuffer.ByteStream );
}
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, 0 ); // [BB] Terminate MSC_SERVERBLOCK by sending 0 ports.
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, MSC_ENDSERVERLIST );
NETWORK_LaunchPacket( &g_MessageBuffer, AddressFrom );
return;
}
}
}
printf( "* Received unknown challenge (%ld) from %s. Ignoring for 10 seconds...\n", lCommand, NETWORK_AddressToString( AddressFrom ));
g_floodProtectionIPQueue.addAddress( AddressFrom, g_lCurrentTime, &std::cerr );
}
static void server_rcon_HandleLogin( int iCandidateIndex, const char *pszHash )
{
// If there's no slot, the candidate must have timed out, or is hacking. Bye!
if ( iCandidateIndex == -1 )
return;
// Combine the salt and password, and hash it.
FString fsString, fsCorrectHash;
fsString.Format( "%s%s", g_Candidates[iCandidateIndex].szSalt, sv_rconpassword.GetGenericRep(CVAR_String).String );
CMD5Checksum::GetMD5( reinterpret_cast<const BYTE *>(fsString.GetChars()), fsString.Len(), fsCorrectHash );
// Compare that to what he sent us.
// Printf("Mine: %s\nTheirs: %s\n", fsCorrectHash, pszHash );
NETWORK_ClearBuffer( &g_MessageBuffer );
// [BB] Do not allow the server to let anybody use RCON in case sv_rconpassword is empty.
if ( fsCorrectHash.Compare( pszHash ) || ( strlen( sv_rconpassword.GetGenericRep(CVAR_String).String ) == 0 ) )
{
// Wrong password.
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, SVRC_INVALIDPASSWORD );
NETWORK_LaunchPacket( &g_MessageBuffer, g_Candidates[iCandidateIndex].Address ); // [RC] Note: Be sure to finish any packets before calling Printf(). Otherwise SERVER_RCON_Print will clear your buffer.
// To prevent mass password flooding, ignore the IP for a few seconds.
g_BadRequestFloodQueue.addAddress( g_Candidates[iCandidateIndex].Address, gametic / 1000 );
Printf( "Failed RCON login from %s. Ignoring IP for 10 seconds...\n", NETWORK_AddressToString( g_Candidates[iCandidateIndex].Address ));
}
else
{
// [BB] Since we log when RCON clients disconnect, we should also log when they connect.
// Do this before we do anything else so that this message is sent to the new RCON client
// with the console history.
Printf( "RCON client at %s connected.\n", NETWORK_AddressToString( g_Candidates[iCandidateIndex].Address ));
// Correct password. Promote him to an authed client.
RCONCLIENT_s Client;
Client.Address = g_Candidates[iCandidateIndex].Address;
Client.iLastMessageTic = gametic;
g_AuthedClients.Push( Client );
NETWORK_ClearBuffer( &g_MessageBuffer );
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, SVRC_LOGGEDIN );
// Tell him some info about the server.
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, PROTOCOL_VERSION );
NETWORK_WriteString( &g_MessageBuffer.ByteStream, sv_hostname.GetGenericRep( CVAR_String ).String );
// Send updates.
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, NUM_RCON_UPDATES );
for ( int i = 0; i < NUM_RCON_UPDATES; i++ )
server_WriteUpdateInfo( &g_MessageBuffer.ByteStream, i );
// Send the console history.
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, g_RecentConsoleLines.size() );
for( std::list<FString>::iterator i = g_RecentConsoleLines.begin(); i != g_RecentConsoleLines.end(); ++i )
NETWORK_WriteString( &g_MessageBuffer.ByteStream, *i );
NETWORK_LaunchPacket( &g_MessageBuffer, g_Candidates[iCandidateIndex].Address );
SERVER_RCON_UpdateInfo( SVRCU_ADMINCOUNT );
}
// Remove his temporary slot.
g_Candidates.Delete( iCandidateIndex );
}
void SERVER_RCON_ParseMessage( NETADDRESS_s Address, LONG lMessage, BYTESTREAM_s *pByteStream )
{
int iIndex = -1;
switch ( lMessage )
{
case CLRC_BEGINCONNECTION:
server_rcon_HandleNewConnection( Address, NETWORK_ReadByte( pByteStream ));
break;
case CLRC_PASSWORD:
server_rcon_HandleLogin( server_rcon_FindCandidate( Address ), NETWORK_ReadString( pByteStream ));
break;
case CLRC_PONG:
iIndex = server_rcon_FindClient( Address );
if ( iIndex != -1 )
g_AuthedClients[iIndex].iLastMessageTic = gametic;
break;
case CLRC_COMMAND:
// Execute the command (if this came from an admin).
iIndex = server_rcon_FindClient( Address );
if ( iIndex != -1 )
{
const char *szCommand = NETWORK_ReadString( pByteStream );
// [BB] Log the command before adding it. If we don't have a server GUI, the command
// is executed immediately and may cause Skulltag to exit before the command is logged.
Printf( "-> %s (RCON by %s)\n", szCommand, NETWORK_AddressToString( Address ) );
SERVER_AddCommand( szCommand );
g_AuthedClients[iIndex].iLastMessageTic = gametic;
}
break;
case CLRC_DISCONNECT:
iIndex = server_rcon_FindClient( Address );
if ( iIndex != -1 )
{
g_AuthedClients.Delete( iIndex );
SERVER_RCON_UpdateInfo( SVRCU_ADMINCOUNT );
Printf( "RCON client at %s disconnected.\n", NETWORK_AddressToString( Address ));
}
break;
case CLRC_TABCOMPLETE:
// [TP] RCON client wishes to tab-complete
iIndex = server_rcon_FindClient( Address );
if ( iIndex != -1 )
{
const char* part = NETWORK_ReadString( pByteStream );
TArray<FString> list = C_GetTabCompletes( part );
NETWORK_ClearBuffer( &g_MessageBuffer );
// [TP] Let's not send too many of these though
if ( list.Size() < 50 )
{
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, SVRC_TABCOMPLETE );
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, list.Size() );
for ( unsigned i = 0; i < list.Size(); ++i )
NETWORK_WriteString( &g_MessageBuffer.ByteStream, list[i] );
}
else
{
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, SVRC_TOOMANYTABCOMPLETES );
NETWORK_WriteShort( &g_MessageBuffer.ByteStream, list.Size() );
}
NETWORK_LaunchPacket( &g_MessageBuffer, g_AuthedClients[iIndex].Address );
}
break;
}
}
//*****************************************************************************
//
void CALLVOTE_BeginVote( FString Command, FString Parameters, FString Reason, ULONG ulPlayer )
{
// Don't allow a vote in the middle of another vote.
if ( g_VoteState != VOTESTATE_NOVOTE )
{
if ( NETWORK_GetState( ) == NETSTATE_SERVER )
SERVER_PrintfPlayer( PRINT_HIGH, SERVER_GetCurrentClient( ), "Another vote is already underway.\n" );
return;
}
// Check and make sure all the parameters are valid.
if ( callvote_CheckValidity( Command, Parameters ) == false )
return;
// Prevent excessive re-voting.
if (( NETWORK_GetState( ) == NETSTATE_SERVER ) && callvote_CheckForFlooding( Command, Parameters, ulPlayer ) == false )
return;
// Play the announcer sound for this.
ANNOUNCER_PlayEntry( cl_announcer, "VoteNow" );
// Create the vote console command.
g_VoteCommand = Command;
g_VoteCommand += " ";
g_VoteCommand += Parameters;
g_ulVoteCaller = ulPlayer;
g_VoteReason = Reason.Left(25);
// Create the record of the vote for flood prevention.
{
VOTE_s VoteRecord;
VoteRecord.fsParameter = Parameters;
time_t tNow;
time( &tNow );
VoteRecord.tTimeCalled = tNow;
VoteRecord.Address = SERVER_GetClient( g_ulVoteCaller )->Address;
VoteRecord.ulVoteType = callvote_GetVoteType( Command );
if ( callvote_IsKickVote ( VoteRecord.ulVoteType ) )
VoteRecord.KickAddress = g_KickVoteVictimAddress;
g_PreviousVotes.push_back( VoteRecord );
}
// Display the message in the console.
{
FString ReasonBlurb = ( g_VoteReason.Len( )) ? ( ", reason: \"" + g_VoteReason + "\"" ) : "";
if ( NETWORK_GetState( ) == NETSTATE_SERVER )
Printf( "%s\\c- (%s) has called a vote (\"%s\"%s).\n", players[ulPlayer].userinfo.netname, NETWORK_AddressToString( SERVER_GetClient( ulPlayer )->Address ), g_VoteCommand.GetChars(), ReasonBlurb.GetChars() );
else
Printf( "%s\\c- has called a vote (\"%s\"%s).\n", players[ulPlayer].userinfo.netname, g_VoteCommand.GetChars(), ReasonBlurb.GetChars() );
}
g_VoteState = VOTESTATE_INVOTE;
g_ulVoteCountdownTicks = VOTE_COUNTDOWN_TIME * TICRATE;
g_ulShowVoteScreenTicks = g_ulVoteCountdownTicks;
g_bVoteCancelled = false;
// Inform clients about the vote being called.
if ( NETWORK_GetState( ) == NETSTATE_SERVER )
SERVERCOMMANDS_CallVote( ulPlayer, Command, Parameters, Reason );
}
//*****************************************************************************
//
void NETWORK_LaunchPacket( NETBUFFER_s *pBuffer, NETADDRESS_s Address )
{
LONG lNumBytes;
INT iNumBytesOut;
struct sockaddr_in SocketAddress;
pBuffer->ulCurrentSize = NETWORK_CalcBufferSize( pBuffer );
// Nothing to do.
if ( pBuffer->ulCurrentSize == 0 )
return;
// Convert the IP address to a socket address.
NETWORK_NetAddressToSocketAddress( Address, SocketAddress );
HUFFMAN_Encode( (unsigned char *)pBuffer->pbData, g_ucHuffmanBuffer, pBuffer->ulCurrentSize, &iNumBytesOut );
lNumBytes = sendto( g_NetworkSocket, (const char*)g_ucHuffmanBuffer, iNumBytesOut, 0, (struct sockaddr *)&SocketAddress, sizeof( SocketAddress ));
// If sendto returns -1, there was an error.
if ( lNumBytes == -1 )
{
#ifdef __WIN32__
INT iError = WSAGetLastError( );
// Wouldblock is silent.
if ( iError == WSAEWOULDBLOCK )
return;
switch ( iError )
{
case WSAEACCES:
Printf( "NETWORK_LaunchPacket: Error #%d, WSAEACCES: Permission denied for address: %s\n", iError, NETWORK_AddressToString( Address ));
return;
case WSAEADDRNOTAVAIL:
Printf( "NETWORK_LaunchPacket: Error #%d, WSAEADDRENOTAVAIL: Address %s not available\n", iError, NETWORK_AddressToString( Address ));
return;
case WSAEHOSTUNREACH:
Printf( "NETWORK_LaunchPacket: Error #%d, WSAEHOSTUNREACH: Address %s unreachable\n", iError, NETWORK_AddressToString( Address ));
return;
default:
Printf( "NETWORK_LaunchPacket: Error #%d\n", iError );
return;
}
#else
if ( errno == EWOULDBLOCK )
return;
if ( errno == ECONNREFUSED )
return;
Printf( "NETWORK_LaunchPacket: %s\n", strerror( errno ));
Printf( "NETWORK_LaunchPacket: Address %s\n", NETWORK_AddressToString( Address ));
#endif
}
// Record this for our statistics window.
if ( NETWORK_GetState( ) == NETSTATE_SERVER )
SERVER_STATISTIC_AddToOutboundDataTransfer( lNumBytes );
}
//*****************************************************************************
//
int NETWORK_GetLANPackets( void )
{
// [BB] If we know that there is a problem with the socket don't try to use it.
if ( g_bLANSocketInvalid )
return 0;
LONG lNumBytes;
INT iDecodedNumBytes;
struct sockaddr_in SocketFrom;
INT iSocketFromLength;
iSocketFromLength = sizeof( SocketFrom );
#ifdef WIN32
lNumBytes = recvfrom( g_LANSocket, (char *)g_ucHuffmanBuffer, sizeof( g_ucHuffmanBuffer ), 0, (struct sockaddr *)&SocketFrom, &iSocketFromLength );
#else
lNumBytes = recvfrom( g_LANSocket, (char *)g_ucHuffmanBuffer, sizeof( g_ucHuffmanBuffer ), 0, (struct sockaddr *)&SocketFrom, (socklen_t *)&iSocketFromLength );
#endif
// If the number of bytes returned is -1, an error has occured.
if ( lNumBytes == -1 )
{
#ifdef __WIN32__
errno = WSAGetLastError( );
if ( errno == WSAEWOULDBLOCK )
return ( false );
// Connection reset by peer. Doesn't mean anything to the server.
if ( errno == WSAECONNRESET )
return ( false );
if ( errno == WSAEMSGSIZE )
{
Printf( "NETWORK_GetPackets: WARNING! Oversize packet from %s\n", NETWORK_AddressToString( g_AddressFrom ));
return ( false );
}
Printf( "NETWORK_GetPackets: WARNING!: Error #%d: %s\n", errno, strerror( errno ));
return ( false );
#else
if ( errno == EWOULDBLOCK )
return ( false );
if ( errno == ECONNREFUSED )
return ( false );
Printf( "NETWORK_GetPackets: WARNING!: Error #%d: %s\n", errno, strerror( errno ));
return ( false );
#endif
}
// No packets or an error, dont process anything.
if ( lNumBytes <= 0 )
return ( 0 );
// Record this for our statistics window.
if ( NETWORK_GetState( ) == NETSTATE_SERVER )
SERVER_STATISTIC_AddToInboundDataTransfer( lNumBytes );
// If the number of bytes we're receiving exceeds our buffer size, ignore the packet.
if ( lNumBytes >= static_cast<LONG>(g_NetworkMessage.ulMaxSize) )
return ( 0 );
// Decode the huffman-encoded message we received.
HUFFMAN_Decode( g_ucHuffmanBuffer, (unsigned char *)g_NetworkMessage.pbData, lNumBytes, &iDecodedNumBytes );
g_NetworkMessage.ulCurrentSize = iDecodedNumBytes;
g_NetworkMessage.ByteStream.pbStream = g_NetworkMessage.pbData;
g_NetworkMessage.ByteStream.pbStreamEnd = g_NetworkMessage.ByteStream.pbStream + g_NetworkMessage.ulCurrentSize;
// Store the IP address of the sender.
NETWORK_SocketAddressToNetAddress( &SocketFrom, &g_AddressFrom );
return ( g_NetworkMessage.ulCurrentSize );
}
void NETWORK_Construct( USHORT usPort, bool bAllocateLANSocket )
{
char szString[128];
ULONG ulArg;
USHORT usNewPort;
bool bSuccess;
// Initialize the Huffman buffer.
HUFFMAN_Construct( );
#ifdef __WIN32__
// [BB] Linux doesn't know WSADATA, so this may not be moved outside the ifdef.
WSADATA WSAData;
if ( WSAStartup( 0x0101, &WSAData ))
network_Error( "Winsock initialization failed!\n" );
Printf( "Winsock initialization succeeded!\n" );
#endif
ULONG ulInAddr = INADDR_ANY;
const char* pszIPAddress = Args->CheckValue( "-useip" );
// [BB] An IP was specfied. Check if it's valid and if it is, try to bind our socket to it.
if ( pszIPAddress )
{
ULONG requestedIP = inet_addr( pszIPAddress );
if ( requestedIP == INADDR_NONE )
{
sprintf( szString, "NETWORK_Construct: %s is not a valid IP address\n", pszIPAddress );
network_Error( szString );
}
else
ulInAddr = requestedIP;
}
g_usLocalPort = usPort;
// Allocate a socket, and attempt to bind it to the given port.
g_NetworkSocket = network_AllocateSocket( );
// [BB] If we can't allocate a socket, sending / receiving net packets won't work.
if ( g_NetworkSocket == INVALID_SOCKET )
network_Error( "NETWORK_Construct: Couldn't allocate socket. You will not be able to host or join servers.\n" );
else if ( network_BindSocketToPort( g_NetworkSocket, ulInAddr, g_usLocalPort, false ) == false )
{
bSuccess = true;
bool bSuccessIP = true;
usNewPort = g_usLocalPort;
while ( network_BindSocketToPort( g_NetworkSocket, ulInAddr, ++usNewPort, false ) == false )
{
// Didn't find an available port. Oh well...
if ( usNewPort == g_usLocalPort )
{
// [BB] We couldn't use the specified IP, so just try any.
if ( ulInAddr != INADDR_ANY )
{
ulInAddr = INADDR_ANY;
bSuccessIP = false;
continue;
}
bSuccess = false;
break;
}
}
if ( bSuccess == false )
{
sprintf( szString, "NETWORK_Construct: Couldn't bind socket to port: %d\n", g_usLocalPort );
network_Error( szString );
}
else if ( bSuccessIP == false )
{
sprintf( szString, "NETWORK_Construct: Couldn't bind socket to IP %s, using the default IP instead:\n", pszIPAddress );
network_Error( szString );
}
else
{
Printf( "NETWORK_Construct: Couldn't bind to %d. Binding to %d instead...\n", g_usLocalPort, usNewPort );
g_usLocalPort = usNewPort;
}
}
ulArg = true;
if ( ioctlsocket( g_NetworkSocket, FIONBIO, &ulArg ) == -1 )
printf( "network_AllocateSocket: ioctl FIONBIO: %s", strerror( errno ));
// If we're not starting a server, setup a socket to listen for LAN servers.
if ( bAllocateLANSocket )
{
g_LANSocket = network_AllocateSocket( );
if ( network_BindSocketToPort( g_LANSocket, ulInAddr, DEFAULT_BROADCAST_PORT, true ) == false )
{
sprintf( szString, "network_BindSocketToPort: Couldn't bind LAN socket to port: %d. You will not be able to see LAN servers in the browser.", DEFAULT_BROADCAST_PORT );
network_Error( szString );
// [BB] The socket won't work in this case, make sure not to use it.
g_bLANSocketInvalid = true;
}
if ( ioctlsocket( g_LANSocket, FIONBIO, &ulArg ) == -1 )
printf( "network_AllocateSocket: ioctl FIONBIO: %s", strerror( errno ));
}
// Init our read buffer.
// [BB] Vortex Cortex pointed us to the fact that the smallest huffman code is only 3 bits
// and it turns into 8 bits when it's decompressed. Thus we need to allocate a buffer that
// can hold the biggest possible size we may get after decompressing (aka Huffman decoding)
// the incoming UDP packet.
NETWORK_InitBuffer( &g_NetworkMessage, ((MAX_UDP_PACKET * 8) / 3 + 1), BUFFERTYPE_READ );
NETWORK_ClearBuffer( &g_NetworkMessage );
// [BB] Get and save our local IP.
if ( ( ulInAddr == INADDR_ANY ) || ( pszIPAddress == NULL ) )
g_LocalAddress = NETWORK_GetLocalAddress( );
// [BB] We are using a specified IP, so we don't need to figure out what IP we have, but just use the specified one.
else
{
NETWORK_StringToAddress ( pszIPAddress, &g_LocalAddress );
g_LocalAddress.usPort = htons ( NETWORK_GetLocalPort() );
}
// Print out our local IP address.
Printf( "IP address %s\n", NETWORK_AddressToString( g_LocalAddress ));
// If hosting, update the server GUI.
if( NETWORK_GetState() == NETSTATE_SERVER )
SERVERCONSOLE_UpdateIP( g_LocalAddress );
// [BB] Initialize the checksum of the non-map lumps that need to be authenticated when connecting a new player.
std::vector<std::string> lumpsToAuthenticate;
std::vector<LumpAuthenticationMode> lumpsToAuthenticateMode;
lumpsToAuthenticate.push_back( "COLORMAP" );
lumpsToAuthenticateMode.push_back( LAST_LUMP );
lumpsToAuthenticate.push_back( "PLAYPAL" );
lumpsToAuthenticateMode.push_back( LAST_LUMP );
lumpsToAuthenticate.push_back( "HTICDEFS" );
lumpsToAuthenticateMode.push_back( ALL_LUMPS );
lumpsToAuthenticate.push_back( "HEXNDEFS" );
lumpsToAuthenticateMode.push_back( ALL_LUMPS );
lumpsToAuthenticate.push_back( "STRFDEFS" );
lumpsToAuthenticateMode.push_back( ALL_LUMPS );
lumpsToAuthenticate.push_back( "DOOMDEFS" );
lumpsToAuthenticateMode.push_back( ALL_LUMPS );
lumpsToAuthenticate.push_back( "GLDEFS" );
lumpsToAuthenticateMode.push_back( ALL_LUMPS );
lumpsToAuthenticate.push_back( "DECORATE" );
lumpsToAuthenticateMode.push_back( ALL_LUMPS );
lumpsToAuthenticate.push_back( "LOADACS" );
lumpsToAuthenticateMode.push_back( ALL_LUMPS );
lumpsToAuthenticate.push_back( "DEHACKED" );
lumpsToAuthenticateMode.push_back( ALL_LUMPS );
lumpsToAuthenticate.push_back( "GAMEMODE" );
lumpsToAuthenticateMode.push_back( ALL_LUMPS );
FString checksum, longChecksum;
bool noProtectedLumpsAutoloaded = true;
// [BB] All precompiled ACS libraries need to be authenticated. The only way to find all of them
// at this point is to parse all LOADACS lumps.
{
int lump, lastlump = 0;
while ((lump = Wads.FindLump ("LOADACS", &lastlump)) != -1)
{
FScanner sc(lump);
while (sc.GetString())
{
NETWORK_AddLumpForAuthentication ( Wads.CheckNumForName (sc.String, ns_acslibrary) );
}
}
}
// [BB] First check the lumps that were marked for authentication while initializing. This
// includes for example those lumps included by DECORATE lumps. It's much easier to mark those
// lumps while the engine parses the DECORATE code than trying to find all included lumps from
// the DECORATE lumps directly.
for ( unsigned int i = 0; i < g_LumpNumsToAuthenticate.Size(); ++i )
{
if ( !network_GenerateLumpMD5HashAndWarnIfNeeded( g_LumpNumsToAuthenticate[i], Wads.GetLumpFullName (g_LumpNumsToAuthenticate[i]), checksum ) )
noProtectedLumpsAutoloaded = false;
longChecksum += checksum;
}
for ( unsigned int i = 0; i < lumpsToAuthenticate.size(); i++ )
{
switch ( lumpsToAuthenticateMode[i] ){
case LAST_LUMP:
int lump;
lump = Wads.CheckNumForName(lumpsToAuthenticate[i].c_str());
// [BB] Possibly we find the COLORMAP lump only in the colormaps name space.
if ( ( lump == -1 ) && ( lumpsToAuthenticate[i].compare ( "COLORMAP" ) == 0 ) )
lump = Wads.CheckNumForName("COLORMAP", ns_colormaps);
if ( lump == -1 )
{
Printf ( PRINT_BOLD, "Warning: Can't find lump %s for authentication!\n", lumpsToAuthenticate[i].c_str() );
continue;
}
if ( !network_GenerateLumpMD5HashAndWarnIfNeeded( lump, lumpsToAuthenticate[i].c_str(), checksum ) )
noProtectedLumpsAutoloaded = false;
// [BB] To make Doom and Freedoom network compatible, substitue the Freedoom PLAYPAL/COLORMAP hash
// by the corresponding Doom hash.
// 4804c7f34b5285c334a7913dd98fae16 Doom PLAYPAL hash
// 061a4c0f80aa8029f2c1bc12dc2e261e Doom COLORMAP hash
// 2e01ae6258f2a0fdad32125537efe1af Freedoom PLAYPAL hash
// bb535e66cae508e3833a5d2de974267b Freedoom COLORMAP hash
if ( ( stricmp ( lumpsToAuthenticate[i].c_str(), "PLAYPAL" ) == 0 ) && ( stricmp ( checksum.GetChars(), "2e01ae6258f2a0fdad32125537efe1af" ) == 0 ) )
checksum = "4804c7f34b5285c334a7913dd98fae16";
else if ( ( stricmp ( lumpsToAuthenticate[i].c_str(), "COLORMAP" ) == 0 ) && ( stricmp ( checksum.GetChars(), "bb535e66cae508e3833a5d2de974267b" ) == 0 ) )
checksum = "061a4c0f80aa8029f2c1bc12dc2e261e";
longChecksum += checksum;
break;
case ALL_LUMPS:
int workingLump, lastLump;
lastLump = 0;
while ((workingLump = Wads.FindLump(lumpsToAuthenticate[i].c_str(), &lastLump)) != -1)
{
if ( !network_GenerateLumpMD5HashAndWarnIfNeeded( workingLump, lumpsToAuthenticate[i].c_str(), checksum ) )
noProtectedLumpsAutoloaded = false;
longChecksum += checksum;
}
break;
}
}
CMD5Checksum::GetMD5( reinterpret_cast<const BYTE *>(longChecksum.GetChars()), longChecksum.Len(), g_lumpsAuthenticationChecksum );
// [BB] Warn the user about problematic auto-loaded files.
if ( noProtectedLumpsAutoloaded == false )
{
Printf ( PRINT_BOLD, "Warning: Above auto-loaded files contain protected lumps.\n" );
if ( Args->CheckParm( "-host" ) )
Printf ( PRINT_BOLD, "Clients without these files can't connect to this server.\n" );
else
Printf ( PRINT_BOLD, "You can't connect to servers without these files.\n" );
}
// [BB] Initialize the actor network class indices.
for ( unsigned int i = 0; i < PClass::m_Types.Size(); i++ )
{
PClass* cls = PClass::m_Types[i];
if ( (cls->IsDescendantOf(RUNTIME_CLASS(AActor)))
// [BB] The server only binaries don't know DynamicLight and derived classes.
&& !(cls->IsDescendantOf(PClass::FindClass("DynamicLight"))) )
cls->ActorNetworkIndex = 1 + g_ActorNetworkIndexClassPointerMap.Push ( cls );
else
cls->ActorNetworkIndex = 0;
}
// [RC/BB] Init the list of PWADs.
network_InitPWADList( );
// Call NETWORK_Destruct() when Skulltag closes.
atterm( NETWORK_Destruct );
Printf( "UDP Initialized.\n" );
}
DWORD WINAPI main_Loop( LPVOID )
{
char szBuffer[128];
while ( 1 )
{
while ( NETWORK_GetPackets( ))
{
// Set up our byte stream.
BYTESTREAM_s *pByteStream = &NETWORK_GetNetworkMessageBuffer( )->ByteStream;
pByteStream->pbStream = NETWORK_GetNetworkMessageBuffer( )->pbData;
pByteStream->pbStreamEnd = pByteStream->pbStream + NETWORK_GetNetworkMessageBuffer( )->ulCurrentSize;
// Parse the packet, but only if it came from the server we're trying to reach. Ignore everything else.
if ( g_State > STATE_WAITING && NETWORK_CompareAddress( NETWORK_GetFromAddress( ), g_ServerAddress, false ))
main_ParseCommands( pByteStream );
}
time_t tNow = time( 0 );
// Refresh the "connect" button.
if ( g_tLastIncorrectLogin > 0 && ( timeGetTime( ) - g_lLastCountdownTime > 250 ))
{
g_lLastCountdownTime = timeGetTime( );
if ( tNow - g_tLastIncorrectLogin < BAD_QUERY_IGNORE_TIME )
sprintf( szBuffer, "Connect [%d]", BAD_QUERY_IGNORE_TIME - ( tNow - g_tLastIncorrectLogin ));
else
strcpy( szBuffer, "Connect" );
SetDlgItemText( g_hDlg, IDOK, szBuffer );
EnableWindow( GetDlgItem( g_hDlg, IDOK ), ( tNow - g_tLastIncorrectLogin >= BAD_QUERY_IGNORE_TIME ) && ( g_State == STATE_WAITING ));
}
// If we've been waiting for a while without response, try again, then error out.
if ( g_State == STATE_CONNECTING && ( tNow - g_tLastSentCommand ) > 2 )
{
if ( g_iRetries < 3 )
{
main_AttemptConnection();
g_iRetries++;
sprintf( szBuffer, "Retrying (%d) to reach %s...", g_iRetries, NETWORK_AddressToString( g_ServerAddress ));
main_UpdateStatusbar( szBuffer );
main_UpdateTrayTooltip( szBuffer );
}
else
{
main_ShowMessage( "That address doesn't seem valid; there was no response.", MB_ICONEXCLAMATION );
main_SetState( STATE_WAITING );
main_EnableConnectionButtons( TRUE );
g_iRetries = 0;
}
}
// If we haven't sent a message recently, let the server know we're still here.
if ( g_State == STATE_CONNECTED && ( tNow - g_tLastSentCommand ) > RCON_CLIENT_TIMEOUT_TIME / 4 )
{
NETWORK_ClearBuffer( &g_MessageBuffer );
NETWORK_WriteByte( &g_MessageBuffer.ByteStream, CLRC_PONG );
NETWORK_LaunchPacket( &g_MessageBuffer, g_ServerAddress );
time( &g_tLastSentCommand );
}
Sleep( 200 );
}
}
//*****************************************************************************
//
bool CALLVOTE_VoteNo( ULONG ulPlayer )
{
ULONG ulIdx;
ULONG ulNumYes;
ULONG ulNumNo;
// Don't allow the vote unless we're in the middle of a vote.
if ( g_VoteState != VOTESTATE_INVOTE )
return ( false );
// [RC] If this is our vote, hide the vote screen soon.
if (( NETWORK_GetState( ) == NETSTATE_CLIENT ) && ( static_cast<LONG>(ulPlayer) == consoleplayer ) )
g_ulShowVoteScreenTicks = 1 * TICRATE;
// [RC] Vote callers can cancel their votes by voting "no".
if ( ulPlayer == g_ulVoteCaller && ( NETWORK_GetState( ) == NETSTATE_SERVER ))
{
// [BB] If a player canceled his own vote, don't prevent others from making this type of vote again.
g_PreviousVotes.back( ).ulVoteType = NUM_VOTECMDS;
SERVER_Printf( PRINT_HIGH, "Vote caller cancelled the vote.\n" );
g_bVoteCancelled = true;
g_bVotePassed = false;
callvote_EndVote( );
return ( true );
}
// Also, don't allow spectator votes if the server has them disabled.
if (( NETWORK_GetState( ) == NETSTATE_SERVER ) && ( sv_nocallvote == 2 && players[ulPlayer].bSpectating ))
{
SERVER_PrintfPlayer( PRINT_HIGH, ulPlayer, "This server requires spectators to join the game to vote.\n" );
return false;
}
// If this player has already voted, ignore his vote.
for ( ulIdx = 0; ulIdx < ( MAXPLAYERS / 2 ) + 1; ulIdx++ )
{
if ( g_ulPlayersWhoVotedYes[ulIdx] == ulPlayer )
return ( false );
if ( g_ulPlayersWhoVotedNo[ulIdx] == ulPlayer )
return ( false );
// If this person matches the IP of a person who already voted, don't let him vote.
if ( NETWORK_GetState( ) == NETSTATE_SERVER )
{
if ( g_ulPlayersWhoVotedYes[ulIdx] < MAXPLAYERS )
{
if ( NETWORK_CompareAddress( SERVER_GetClient( g_ulPlayersWhoVotedYes[ulIdx] )->Address, SERVER_GetClient( ulPlayer )->Address, true ))
return ( false );
}
if ( g_ulPlayersWhoVotedNo[ulIdx] < MAXPLAYERS )
{
if ( NETWORK_CompareAddress( SERVER_GetClient( g_ulPlayersWhoVotedNo[ulIdx] )->Address, SERVER_GetClient( ulPlayer )->Address, true ))
return ( false );
}
}
}
// Add this player's vote.
for ( ulIdx = 0; ulIdx < ( MAXPLAYERS / 2 ) + 1; ulIdx++ )
{
if ( g_ulPlayersWhoVotedNo[ulIdx] == MAXPLAYERS )
{
g_ulPlayersWhoVotedNo[ulIdx] = ulPlayer;
break;
}
}
// Display the message in the console.
if ( NETWORK_GetState( ) == NETSTATE_SERVER )
Printf( "%s\\c- (%s) votes \"no\".\n", players[ulPlayer].userinfo.netname, NETWORK_AddressToString( SERVER_GetClient( ulPlayer )->Address ));
else
Printf( "%s\\c- votes \"no\".\n", players[ulPlayer].userinfo.netname );
// Nothing more to do here for clients.
if (( NETWORK_GetState( ) == NETSTATE_CLIENT ) ||
( CLIENTDEMO_IsPlaying( )))
{
return ( true );
}
SERVERCOMMANDS_PlayerVote( ulPlayer, false );
ulNumYes = callvote_CountPlayersWhoVotedYes( );
ulNumNo = callvote_CountPlayersWhoVotedNo( );
// If more than half of the total eligible voters have voted, we must have a majority!
if ( MAX( ulNumYes, ulNumNo ) > ( CALLVOTE_CountNumEligibleVoters( ) / 2 ))
{
g_bVotePassed = ( ulNumYes > ulNumNo );
callvote_EndVote( );
}
return ( true );
}