linbpq/TelnetV6.c

/*
Copyright 2001-2022 John Wiseman G8BPQ

This file is part of LinBPQ/BPQ32.

LinBPQ/BPQ32 is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

LinBPQ/BPQ32 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with LinBPQ/BPQ32.  If not, see http://www.gnu.org/licenses
*/	

//
//	Telnet Driver for BPQ Switch 
//
//	Uses BPQ EXTERNAL interface
//

//#define WIN32_LEAN_AND_MEAN

#define _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_DEPRECATE

#include <stdio.h>
#include <stdlib.h>
#include "time.h"

#include "kernelresource.h"

#define IDM_DISCONNECT			2000
#define IDM_LOGGING				2100

#include "CHeaders.h"
#include "tncinfo.h"

#ifdef WIN32
#include <winioctl.h>
#include "WS2tcpip.h"
#else
//#define TIOCOUTQ        0x5411
#define SIOCOUTQ        TIOCOUTQ        /* output queue size (not sent + not acked) */
#endif

#include "adif.h"
#include "telnetserver.h"

#define MAX_PENDING_CONNECTS 4

extern UCHAR LogDirectory[];

 
static char ClassName[]="TELNETSERVER";
static char WindowTitle[] = "Telnet Server";
static int RigControlRow = 190;

UCHAR * APIENTRY GetLogDirectory();
static BOOL OpenSockets(struct TNCINFO * TNC);
static BOOL OpenSockets6(struct TNCINFO * TNC);
void ProcessHTTPMessage(void * conn);
static VOID SetupListenSet(struct TNCINFO * TNC);
int WritetoConsoleLocal(char * buff);
BOOL TelSendPacket(int Stream, struct STREAMINFO * STREAM, PMSGWITHLEN buffptr, struct ADIF * ADIF);
int GetCMSHash(char * Challenge, char * Password);
int IsUTF8(unsigned char *cpt, int len);
int Convert437toUTF8(unsigned char * MsgPtr, int len, unsigned char * UTF);
int Convert1251toUTF8(unsigned char * MsgPtr, int len, unsigned char * UTF);
int Convert1252toUTF8(unsigned char * MsgPtr, int len, unsigned char * UTF);
VOID initUTF8();
int TrytoGuessCode(unsigned char * Char, int Len);
DllExport struct PORTCONTROL * APIENTRY GetPortTableEntryFromSlot(int portslot);
extern BPQVECSTRUC * TELNETMONVECPTR;
BOOL SendWL2KSessionRecord(ADIF * ADIF, int BytesSent, int BytesReceived);
int DataSocket_ReadSync(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, int Stream);
VOID SendWL2KRegisterHybrid(struct TNCINFO * TNC);
int IntSetTraceOptionsEx(uint64_t mask, int mtxparam, int mcomparam, int monUIOnly);
int DataSocket_ReadDRATS(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, int Stream);
void processDRATSFrame(unsigned char * Message, int Len, struct ConnectionInfo * sockptr);
void DRATSConnectionLost(struct ConnectionInfo * sockptr);
int BuildRigCtlPage(char * _REPLYBUFFER);
void ProcessWebmailWebSockThread(void * conn);
int ProcessSNMPPayload(UCHAR * Msg, int Len, UCHAR * Reply, int * OffPtr);

#ifndef LINBPQ
extern HKEY REGTREE;
extern HMENU hMainFrameMenu;
extern HMENU hBaseMenu;
extern HMENU hWndMenu;
extern HFONT hFont;
extern HBRUSH bgBrush;

extern HWND ClientWnd, FrameWnd;

extern HANDLE hInstance;
static RECT Rect;

LRESULT CALLBACK TelWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);

#endif

extern int REALTIMETICKS;

#define MaxSockets 26

struct UserRec RelayUser;
struct UserRec SyncUser = {"","Sync"};;
struct UserRec CMSUser;
struct UserRec HostUser = {"","Host"};
struct UserRec TriModeUser;

static char AttemptsMsg[] = "Too many attempts - Disconnected\r\n";
static char disMsg[] = "Disconnected by SYSOP\r\n";

static char BlankCall[]="         ";

BOOL LogEnabled = FALSE;
BOOL CMSLogEnabled = TRUE;
extern BOOL IncludesMail;

static	HMENU hMenu, hPopMenu, hPopMenu2, hPopMenu3;		// handle of menu 

static int ProcessLine(char * buf, int Port);
VOID __cdecl Debugprintf(const char * format, ...);
char * strlop(char * buf, char delim);


int DisplaySessions(struct TNCINFO * TNC);
int DoStateChange(int Stream);
int Connected(int Stream);
int Disconnected(int Stream);
//int DeleteConnection(con);
static int Socket_Accept(struct TNCINFO * TNC, SOCKET SocketId, int Port);
static int Socket_Data(struct TNCINFO * TNC, SOCKET SocketId,int error, int eventcode);
static int DataSocket_Read(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, struct STREAMINFO * STREAM);
int DataSocket_ReadFBB(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, int Stream);
int DataSocket_ReadRelay(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, struct STREAMINFO * STREAM);
int DataSocket_ReadHTTP(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, int Stream);
int DataSocket_Write(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET TCPSock);
int DataSocket_Disconnect(struct TNCINFO * TNC, struct ConnectionInfo * sockptr);
BOOL ProcessTelnetCommand(struct ConnectionInfo * sockptr, byte * Msg, int * Len);
int ShowConnections(struct TNCINFO * TNC);
int Terminate();
int SendtoSocket(SOCKET TCPSock,char * Msg);
int WriteLog(char * msg);
VOID WriteCMSLog(char * msg);
byte * EncodeCall(byte * Call);
VOID SendtoNode(struct TNCINFO * TNC, int Stream, char * Msg, int MsgLen);
DllExport int APIENTRY GetNumberofPorts();

BOOL CheckCMS(struct TNCINFO * TNC);
int TCPConnect(struct TNCINFO * TNC, struct TCPINFO * TCP, struct STREAMINFO * STREAM, char * Host, int Port, BOOL FBB);
int CMSConnect(struct TNCINFO * TNC, struct TCPINFO * TCP, struct STREAMINFO * STREAM,  int Stream);
int Telnet_Connected(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, int Error);
BOOL ProcessConfig();
VOID FreeConfig();
VOID SaveCMSHostInfo(int port, struct TCPINFO * TCP, int CMSNo);
VOID GetCMSCachedInfo(struct TNCINFO * TNC);
BOOL CMSCheck(struct TNCINFO * TNC, struct TCPINFO * TCP);
VOID Tel_Format_Addr(struct ConnectionInfo * sockptr, char * dst);
VOID ProcessTrimodeCommand(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, char * MsgPtr);
VOID ProcessTrimodeResponse(struct TNCINFO * TNC, struct STREAMINFO * STREAM, unsigned char * MsgPtr, int Msglen);
VOID ProcessTriModeDataMessage(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, struct STREAMINFO * STREAM);


static int LogAge = 13;



#ifdef WIN32

int DeleteLogFile(char * Log);

void DeleteTelnetLogFiles()
{
	DeleteLogFile("/logs/Telnet*.log");
	DeleteLogFile("/logs/CMSAccess_*.log");
	DeleteLogFile("/logs/ConnectLog_*.log");
}

int DeleteLogFile(char * Log)
{

	
	WIN32_FIND_DATA ffd;

   char szDir[MAX_PATH];
   char File[MAX_PATH];
   HANDLE hFind = INVALID_HANDLE_VALUE;
   DWORD dwError=0;
   LARGE_INTEGER ft;
   time_t now = time(NULL);
   int Age;

   // Prepare string for use with FindFile functions.  First, copy the
   // string to a buffer, then append '\*' to the directory name.

   strcpy(szDir, GetLogDirectory());
   strcat(szDir, Log);

   // Find the first file in the directory.

   hFind = FindFirstFile(szDir, &ffd);

   if (INVALID_HANDLE_VALUE == hFind) 
      return dwError;

   // List all the files in the directory with some info about them.

   do
   {
      if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
      {
         OutputDebugString(ffd.cFileName);
      }
      else
      {
         ft.HighPart = ffd.ftCreationTime.dwHighDateTime;
         ft.LowPart = ffd.ftCreationTime.dwLowDateTime;

		 ft.QuadPart -=  116444736000000000;
		 ft.QuadPart /= 10000000;

		 Age = (int)((now - ft.LowPart) / 86400); 

		 if (Age > LogAge)
		 {
			 sprintf(File, "%s/logs/%s%c", GetLogDirectory(), ffd.cFileName, 0);
			 Debugprintf("Deleting %s", File);
			 DeleteFile(File);
		 }
      }
   }
   while (FindNextFile(hFind, &ffd) != 0);

   FindClose(hFind);
   return dwError;
}

#else

#include <dirent.h>

int TelFilter(const struct dirent * dir)
{
	return (memcmp(dir->d_name, "CMSAccess", 9) == 0
		|| memcmp(dir->d_name, "Telnet", 6) == 0
		|| memcmp(dir->d_name, "ConnectLog", 6) == 0)
		&& strstr(dir->d_name, ".log");
}

int DeleteTelnetLogFiles()
{
	struct dirent **namelist;
    int n;
	struct stat STAT;
	time_t now = time(NULL);
	int Age = 0, res;
	char FN[256];
     	
    n = scandir("logs", &namelist, TelFilter, alphasort);

	if (n < 0) 
		perror("scandir");
	else  
	{ 
		while(n--)
		{
			sprintf(FN, "logs/%s", namelist[n]->d_name);
			if (stat(FN, &STAT) == 0)
			{
				Age = (now - STAT.st_mtime) / 86400;
				
				if (Age > LogAge)
				{
					Debugprintf("Deleting  %s\n", FN);
					unlink(FN);
				}
			}
			free(namelist[n]);
		}
		free(namelist);
    }
	return 0;
}
#endif



void BuffertoNode(struct ConnectionInfo * sockptr, char * MsgPtr, int InputLen)
{
	// Queue to Node. Data may arrive it large quatities, possibly exceeding node buffer capacity

	if (sockptr->FromHostBuffPutptr + InputLen > sockptr->FromHostBufferSize)
	{
		if (InputLen > 10000)
			sockptr->FromHostBufferSize += InputLen;
		else
			sockptr->FromHostBufferSize += 10000;

		sockptr->FromHostBuffer = realloc(sockptr->FromHostBuffer, sockptr->FromHostBufferSize);
	}

	memcpy(&sockptr->FromHostBuffer[sockptr->FromHostBuffPutptr], MsgPtr, InputLen); 

	sockptr->FromHostBuffPutptr += InputLen;
	sockptr->InputLen = 0;

	return;
	}

BOOL SendAndCheck(struct ConnectionInfo * sockptr, unsigned char * MsgPtr, int len, int flags)
{
	int err;
	int sent = send(sockptr->socket, MsgPtr, len, flags);

	if (sent == len)
		return TRUE;			// OK

	err = WSAGetLastError();
				
	Debugprintf("TCP Send Failed - Sent %d should be %d err %d - requeue data", sent, len, err);

	if (err == 10035 || err == 115 || err == 36)		//EWOULDBLOCK
	{
		// Save unsent data

		if (sent == -1)				// -1 means none sent
			sent = 0;

		sockptr->ResendBuffer = malloc(len - sent);
		sockptr->ResendLen = len - sent;

		memmove(sockptr->ResendBuffer, MsgPtr + sent, len - sent);
	}
	return FALSE;
}

VOID SendPortsForMonitor(SOCKET sock, int Secure)
{
	UCHAR PortInfo[3000] = {0xff, 0xff};
	UCHAR * ptr = &PortInfo[2];
	char ID[31] = "";
	struct PORTCONTROL * PORT;
	int i, n, p;

	// Sends the ID of each Port to TermTCP

	p = GetNumberofPorts();

	if (IncludesMail && Secure)
		p++;

	ptr += sprintf(ptr, "%d|", p);

	if (IncludesMail && Secure)
	{
		p--;
		ptr += sprintf(ptr,"0 Mail Monitor|");
	}

	for (n=1; n <= p; n++)
	{
		PORT = GetPortTableEntryFromSlot(n);
		
		memcpy(ID, PORT->PORTDESCRIPTION, 30);

		for (i = 29; i; i--)
		{
			if (ID[i] != ' ')
				break;

			ID[i] = 0;
		}

		ptr += sprintf(ptr,"%d %s|", PORT->PORTNUMBER, ID);
	}


	send(sock, PortInfo, (int)(ptr - PortInfo), 0);
}

int ProcessLine(char * buf, int Port)
{
	UCHAR * ptr;
	UCHAR * ptr1;

	char * p_ipad = 0;
	char * p_port = 0;
	unsigned short WINMORport = 0;
	int len=510;
	char errbuf[256];
	char * param;
	char * value;
	char *User, *Pwd, *UserCall, *Secure, * Appl;
	int End = (int)strlen(buf) -1;
	struct TNCINFO * TNC;
	struct TCPINFO * TCP;

	strcpy(errbuf,buf);			// save in case of error

	if (buf[End] == 10)
		buf[End]=0;			// remove newline

	if(buf[0] =='#') return (TRUE);			// comment

	if(buf[0] ==';') return (TRUE);			// comment

	ptr=strchr(buf,'=');

	if (!ptr)
		ptr=strchr(buf,' ');

	if (!ptr)
		return 0;

	if (TNCInfo[Port] == NULL)
	{
		TNC = TNCInfo[Port] = zalloc(sizeof(struct TNCINFO));
		TCP = TNC->TCPInfo = zalloc(sizeof (struct TCPINFO)); // Telnet Server Specific Data

		TCP->MaxSessions = 10;				// Default Values
		TNC->Hardware = H_TELNET;
		TCP->IPV4 = TRUE;
		strcpy(TCP->CMSServer, "cms.winlink.org");
	}

	TNC = TNCInfo[Port];
	TCP = TNC->TCPInfo;

	param=buf;
	*(ptr)=0;
	value=ptr+1;

	if (_stricmp(param, "IPV4") == 0)
		TCP->IPV4 = atoi(value);

	else if (_stricmp(param, "IPV6") == 0)
		TCP->IPV6 = atoi(value);

	else if (_stricmp(param, "CMS") == 0)
		TCP->CMS = atoi(value);

	else if (_stricmp(param, "CMSPASS") == 0)
	{
		char Temp[80];

		if (strlen(value) > 79)
			value[79] = 0;

		strcpy(Temp, value);
		strlop(Temp, 32);
		strlop(Temp, 13);
		strcpy(TCP->SecureCMSPassword, Temp);

	}

	else if (_stricmp(param, "CMSCALL") == 0)
	{
		if (strlen(value) > 9)
			value[9] = 0;
		strcpy(TCP->GatewayCall, value);
		strlop(TCP->GatewayCall, 13);
		_strupr(TCP->GatewayCall);
	}

	else if (_stricmp(param, "CMSLOC") == 0)
	{
		if (strlen(value) > 9)
			value[9] = 0;
		strcpy(TCP->GatewayLoc, value);
		strlop(TCP->GatewayLoc, 13);
		_strupr(TCP->GatewayLoc);
	}

	else if (_stricmp(param,"ReportHybrid") == 0)
		TCP->ReportHybrid = atoi(value);

	else if (_stricmp(param, "HybridServiceCode") == 0)
	{
		TCP->HybridServiceCode = _strdup(value);
		strlop(TCP->HybridServiceCode, 13);
		strlop(TCP->HybridServiceCode, ';');
		_strupr(TCP->HybridServiceCode);
	}

	else if (_stricmp(param, "HybridFrequencies") == 0)
	{
		TCP->HybridFrequencies = _strdup(value);
		strlop(TCP->HybridFrequencies, 13);
		strlop(TCP->HybridFrequencies, ' ');
		_strupr(TCP->HybridFrequencies);
	}

	else if (_stricmp(param, "HybridCoLocatedRMS") == 0)
	{
		TCP->HybridCoLocatedRMS = _strdup(value);
		strlop(TCP->HybridCoLocatedRMS, 13);
		strlop(TCP->HybridCoLocatedRMS, ' ');
		_strupr(TCP->HybridCoLocatedRMS);
	}

	else if (_stricmp(param,"LOGGING") == 0)
		LogEnabled = atoi(value);

	else if (_stricmp(param,"CMSLOGGING") == 0)
		CMSLogEnabled = atoi(value);

	else if (_stricmp(param,"DisconnectOnClose") == 0)
		TCP->DisconnectOnClose = atoi(value);

	else if (_stricmp(param,"ReportRelayTraffic") == 0)
		TCP->ReportRelayTraffic = atoi(value);

	else if (_stricmp(param,"SecureTelnet") == 0)
		TCP->SecureTelnet = atoi(value);

	else if (_stricmp(param,"CloseOnDisconnect") == 0)
		TCP->DisconnectOnClose = atoi(value);

	else if (_stricmp(param,"TCPPORT") == 0)
		TCP->TCPPort = atoi(value);

	else if (_stricmp(param,"DRATSPORT") == 0)
		TCP->DRATSPort = atoi(value);

	else if (_stricmp(param,"TRIMODEPORT") == 0)
		TCP->TriModePort = atoi(value);
	
	else if (_stricmp(param,"HTTPPORT") == 0)
		TCP->HTTPPort = atoi(value);

	else if (_stricmp(param,"APIPORT") == 0)
		TCP->APIPort = atoi(value);

	else if (_stricmp(param,"SYNCPORT") == 0)
		TCP->SyncPort = atoi(value);

	else if (_stricmp(param,"SNMPPORT") == 0)
		TCP->SNMPPort = atoi(value);

	else if ((_stricmp(param,"CMDPORT") == 0) || (_stricmp(param,"LINUXPORT") == 0))
	{
		int n = 0;
		char * context;
		char * ptr = strtok_s(value, ", ", &context);

		while (ptr && n < 33)
		{
			TCP->CMDPort[n++] = atoi(ptr);
			ptr = strtok_s(NULL, ", ", &context);
		}
	}

	else if (_stricmp(param,"CMSSERVER") == 0)
	{
		int n = 0;
		char * context;
		char * ptr = strtok_s(value, ", \r", &context);

		strcpy(TCP->CMSServer, ptr);
	}

	else if (_stricmp(param,"RELAYHOST") == 0)
	{
		int n = 0;
		char * context;
		char * ptr = strtok_s(value, ", \r", &context);

		strcpy(TCP->RELAYHOST, ptr);
	}


	else if (_stricmp(param,"FALLBACKTORELAY") == 0)
	{
		int n = 0;
		char * context;
		char * ptr = strtok_s(value, ", \r", &context);

		TCP->FallbacktoRelay = atoi(value);
	}

	else if (_stricmp(param,"FBBPORT") == 0)
	{
		int n = 0;
		char * context;
		char * ptr = strtok_s(value, ", ", &context);

		while (ptr && n < 99)
		{
			TCP->FBBPort[n++] = atoi(ptr);
			ptr = strtok_s(NULL, ", ", &context);
		}
	}

	else if (_stricmp(param,"RELAYPORT") == 0)
		TCP->RelayPort = atoi(value);

	else if (_stricmp(param,"RELAYAPPL") == 0)
	{
		if (TCP->RelayPort == 0)
			TCP->RelayPort = 8772;
		strcpy(TCP->RelayAPPL, value);
		strcat(TCP->RelayAPPL, "\r");
	}

	else if (_stricmp(param,"SYNCAPPL") == 0)
	{
		if (TCP->SyncPort == 0)
			TCP->SyncPort = 8780;
		strcpy(TCP->SyncAPPL, value);
		strcat(TCP->SyncAPPL, "\r");
	}

	//		if (strcmp(param,"LOGINRESPONSE") == 0) cfgLOGINRESPONSE = value;
	//	    if (strcmp(param,"PASSWORDRESPONSE") == 0) cfgPASSWORDRESPONSE = value;

	else if (_stricmp(param,"LOGINPROMPT") == 0)
	{
		ptr1 = strchr(value, 13);
		if (ptr1) *ptr1 = 0;
		strcpy(TCP->LoginMsg,value);
	}

	else if (_stricmp(param,"PASSWORDPROMPT") == 0)
	{
		ptr1 = strchr(value, 13);
		if (ptr1) *ptr1 = 0;
		strcpy(TCP->PasswordMsg, value);
	}

	else if (_stricmp(param,"HOSTPROMPT") == 0)
		strcpy(TCP->cfgHOSTPROMPT, value);

	else if (_stricmp(param,"LOCALECHO") == 0)
		strcpy(TCP->cfgLOCALECHO, value);

	else if (_stricmp(param,"MAXSESSIONS") == 0)
	{
		TCP->MaxSessions = atoi(value);
		if (TCP->MaxSessions > MaxSockets ) TCP->MaxSessions = MaxSockets;
	}

	else if (_stricmp(param,"CTEXT") == 0 )
	{
		int len = (int)strlen (value);

		if (value[len -1] == ' ')
			value[len -1] = 0;

		strcpy(TCP->cfgCTEXT, value);

		// Replace \n Signon string with cr lf

		ptr = &TCP->cfgCTEXT[0];

scanCTEXT:

		ptr = strstr(ptr, "\\n");

		if (ptr)
		{    
			*(ptr++)=13;			// put in cr
			*(ptr++)=10;			// put in lf

			goto scanCTEXT;
		}  
	}

	else if (_stricmp(param,"LOCALNET") == 0)
	{
		uint32_t Network, Mask;
		uint32_t IPMask;
		char * Netptr, * MaskPtr, *Context;
		struct LOCALNET * LocalNet;
		int Bits = 24;

		Netptr = strtok_s(value, " /;", &Context);

		if (Netptr)
		{
			Network = inet_addr(Netptr);
			MaskPtr = strtok_s(NULL, " /;", &Context);

			if (MaskPtr)
			{
				Bits = atoi(MaskPtr);

				if (Bits > 32)
					Bits = 32;
			}

			if (Bits == 0)
				IPMask = 0;
			else
				IPMask = (0xFFFFFFFF) << (32 - Bits);

			Mask = htonl(IPMask);			// Needs to be Network order

			LocalNet = (struct LOCALNET *)zalloc(sizeof(struct LOCALNET)); 

			LocalNet->Network = Network;
			LocalNet->Mask = Mask;
			LocalNet->Next = TNC->TCPInfo->LocalNets;

			TNC->TCPInfo->LocalNets = LocalNet;
	
		}
	}




	else if (_stricmp(param,"USER") == 0)
	{
		struct UserRec * USER;
		char Param[8][256];
		char * ptr1, * ptr2;
		int n = 0;

		// USER=user,password,call,appl,SYSOP

		memset(Param, 0, 2048);
		strlop(value, 13);
		strlop(value, ';');

		ptr1 = value;

		while (ptr1 && *ptr1 && n < 8)
		{
			ptr2 = strchr(ptr1, ',');
			if (ptr2) *ptr2++ = 0;

			strcpy(&Param[n][0], ptr1);
			strlop(Param[n++], ' ');
			ptr1 = ptr2;
			while(ptr1 && *ptr1 && *ptr1 == ' ')
				ptr1++;
		}


		User = &Param[0][0];

		if (_stricmp(User, "ANON") == 0)
		{
			strcpy(&Param[2][0], "ANON");
			strcpy(&Param[4][0], "");		// Dont allow SYSOP if ANON
		}

		Pwd = &Param[1][0];
		UserCall = &Param[2][0];
		Appl = &Param[3][0];
		Secure = &Param[4][0];

		if (User[0] == 0 || Pwd[0] == 0 || UserCall[0] == 0) // invalid record
			return 0;

		_strupr(UserCall);

		if (TCP->NumberofUsers == 0)
			TCP->UserRecPtr = zalloc(sizeof(void *));
		else
			TCP->UserRecPtr = realloc(TCP->UserRecPtr, (TCP->NumberofUsers+1) * sizeof(void *));

		USER = zalloc(sizeof(struct UserRec));

		TCP->UserRecPtr[TCP->NumberofUsers] = USER;

		USER->Callsign = _strdup(UserCall);
		USER->Password = _strdup(Pwd);
		USER->UserName = _strdup(User);
		USER->Appl = zalloc(32);
		USER->Secure = FALSE;

		if (_stricmp(Secure, "SYSOP") == 0)
			USER->Secure = TRUE;

		if (Appl[0] && strcmp(Appl, "\"\"") != 0)
		{
			strcpy(USER->Appl, _strupr(Appl));
			strcat(USER->Appl, "\r\n");
		}
		TCP->NumberofUsers += 1;
	}
	else if (_memicmp(errbuf, "WL2KREPORT", 10) == 0)
		TNC->WL2K = DecodeWL2KReportLine(errbuf);
	else if (_stricmp(param,"WebTermCSS") == 0)
	{	
		TCP->WebTermCSS =  _strdup(value);
	}
	else
		return FALSE;

	return TRUE;
}

static int MaxStreams = 26;

void CheckRX(struct TNCINFO * TNC);
VOID TelnetPoll(int Port);
VOID ProcessTermModeResponse(struct TNCINFO * TNC);
VOID DoTNCReinit(struct TNCINFO * TNC);
VOID DoTermModeTimeout(struct TNCINFO * TNC);

VOID DoMonitor(struct TNCINFO * TNC, UCHAR * Msg, int Len);


static VOID WritetoTrace(int Stream, char * Msg, int Len, struct ADIF * ADIF, char Dirn)
{
	int index = 0;
	UCHAR * ptr1 = Msg, * ptr2;
	UCHAR Line[1000];
	int LineLen, i;
	char logmsg[200];

	Msg[Len] = 0;

lineloop:

	if (Len > 0)
	{
		//	copy text to file a line at a time	

		ptr2 = memchr(ptr1, 13 , Len);

		if (ptr2)
		{
			ptr2++;
			LineLen = (int)(ptr2 - ptr1);
			Len -= LineLen;

			if (LineLen > 900)
				goto Skip;

			memcpy(Line, ptr1, LineLen);
			memcpy(&Line[LineLen - 1], "<cr>", 4);
			LineLen += 3;

			if ((*ptr2) == 10)
			{
				memcpy(&Line[LineLen], "<lf>", 4);
				LineLen += 4;
				ptr2++;
				Len --;
			}

			Line[LineLen] = 0;

			// If line contains any data above 7f, assume binary and dont display

			for (i = 0; i < LineLen; i++)
			{
				if (Line[i] > 127 || Line[i] < 32)
					goto Skip;
			}

			if (strlen(Line) < 100)
			{
				sprintf(logmsg,"%d %s\r\n", Stream, Line);
				WriteCMSLog(logmsg);
				UpdateADIFRecord(ADIF, Line, Dirn);
			}

Skip:
			ptr1 = ptr2;
			goto lineloop;
		}

		// No CR

		for (i = 0; i < Len; i++)
		{
			if (ptr1[i] > 127)
				break;
		}

		if (i == Len)			// No binary data
		{
			if (strlen(ptr1) < 100)
			{
				sprintf(logmsg,"%d %s\r\n", Stream, ptr1);
				WriteCMSLog(logmsg);
				UpdateADIFRecord(ADIF, ptr1, Dirn);
			}
		}
	}
}

static size_t ExtProc(int fn, int port, PDATAMESSAGE buff)
{
	int txlen = 0, n;
	PMSGWITHLEN buffptr;
	struct TNCINFO * TNC = TNCInfo[port];
	struct TCPINFO * TCP;

	int Stream;
	struct ConnectionInfo * sockptr;
	struct STREAMINFO * STREAM;

	if (TNC == NULL)
		return 0;					// Not configured

	switch (fn)
	{
	case 7:			

		// 100 mS Timer. Now needed, as Poll can be called more frequently in some circuymstances

		while (TNC->PortRecord->UI_Q)			// Release anything accidentally put on UI_Q
		{
			buffptr = Q_REM(&TNC->PortRecord->UI_Q);
			ReleaseBuffer(buffptr);
		}

		TCP = TNC->TCPInfo;
	
		if (TCP->CMS)
		{
			TCP->CheckCMSTimer++;

			if (TCP->CMSOK)
			{
				if (TCP->CheckCMSTimer > 600 * 15)
					CheckCMS(TNC);
			}
			else
			{
				if (TCP->CheckCMSTimer > 600 * 2)
					CheckCMS(TNC);
			}
		}

		// We now use persistent HTTP sessions, so need to close after a reasonable time
		
		for (n = 0; n <= TCP->MaxSessions; n++)
		{
			sockptr = TNC->Streams[n].ConnectionInfo;

			if (sockptr->SocketActive)
			{
				if (sockptr->HTTPMode)
				{
					if (sockptr->WebSocks == 0)
					{
						if (sockptr->LastSendTime && (REALTIMETICKS - sockptr->LastSendTime) > 1500)	// ~ 2.5 mins
						{
							closesocket(sockptr->socket);
							sockptr->SocketActive = FALSE;
							ShowConnections(TNC);
						}
					}
				}
				else
				{
					// Time out Login

					if (sockptr->LoginState < 2 && (time(NULL) - sockptr->ConnectTime) > 30)
					{
						closesocket(sockptr->socket);
						sockptr->SocketActive = FALSE;
						ShowConnections(TNC);
					}
				}	
			}
		}



		return 0;

	case 1:				// poll

		for (Stream = 0; Stream <= MaxStreams; Stream++)
		{	
			TRANSPORTENTRY * SESS;
			struct ConnectionInfo * sockptr = TNC->Streams[Stream].ConnectionInfo;

			if (sockptr && sockptr->UserPointer == &CMSUser)	// Connected to CMS
			{
				SESS = TNC->PortRecord->ATTACHEDSESSIONS[sockptr->Number];

				if (SESS)
				{
					n = SESS->L4KILLTIMER;
					if (n < (SESS->L4LIMIT - 120))
					{
						SESS->L4KILLTIMER = SESS->L4LIMIT - 120;
						SESS = SESS->L4CROSSLINK;
						if (SESS)
							SESS->L4KILLTIMER = SESS->L4LIMIT - 120;
					}
				}
			}

			STREAM = &TNC->Streams[Stream];

			if (STREAM->NeedDisc)
			{
				STREAM->NeedDisc--;

				if (STREAM->NeedDisc == 0)
				{
					// Send the DISCONNECT

					STREAM->ReportDISC = TRUE;
				}
			}

			if (STREAM->ReportDISC)
			{
				STREAM->ReportDISC = FALSE;
				buff->PORT = Stream;

				return -1;
			}
		}

		TelnetPoll(port);

		for (Stream = 0; Stream <= MaxStreams; Stream++)
		{
			STREAM = &TNC->Streams[Stream];

			if (STREAM->PACTORtoBPQ_Q !=0)
			{
				int datalen;
			
				buffptr = Q_REM(&STREAM->PACTORtoBPQ_Q);

				datalen = (int)buffptr->Len;

				buff->PORT = Stream;
				buff->PID = 0xf0;
				memcpy(&buff->L2DATA, &buffptr->Data[0], datalen);		// Data goes to + 7, but we have an extra byte
				datalen += sizeof(void *) + 4;

				PutLengthinBuffer(buff, datalen);

				ReleaseBuffer(buffptr);
				return (1);
			}
		}
			
		return 0;

	case 2:				// send

		buffptr = GetBuff();

		if (buffptr == 0) return (0);			// No buffers, so ignore

		// Find TNC Record

		Stream = buff->PORT;
		STREAM = &TNC->Streams[Stream];

		txlen = GetLengthfromBuffer(buff) - (MSGHDDRLEN + 1);		// 1 as no PID

		buffptr->Len = txlen;
		memcpy(&buffptr->Data, &buff->L2DATA, txlen);
		
		C_Q_ADD(&STREAM->BPQtoPACTOR_Q, buffptr);
		STREAM->FramesQueued++;

		return (0);


	case 3:				// CHECK IF OK TO SEND. Also used to check if TNC is responding
		
		Stream = (int)(size_t)buff;
		
		STREAM = &TNC->Streams[Stream];

		if (STREAM->FramesQueued  > 40)
			return (257);						// Busy

		return 256;		// OK

#define SD_BOTH         0x02

	case 4:				// reinit
	{
		struct _EXTPORTDATA * PortRecord;

#ifndef LINBPQ
		HWND SavehDlg, SaveCMS, SaveMonitor;
		HMENU SaveMenu1, SaveMenu2, SaveMenu3; 
#endif	
		int n, i;

		if (!ProcessConfig())
		{
			Consoleprintf("Failed to reread config file - leaving config unchanged");
			break;
		}

		FreeConfig();

		for (n = 1; n <= TNC->TCPInfo->CurrentSockets; n++)
		{
			sockptr = TNC->Streams[n].ConnectionInfo;
			sockptr->SocketActive = FALSE;
			closesocket(sockptr->socket);
		}

		TCP = TNC->TCPInfo;

		shutdown(TCP->TCPSock, SD_BOTH);
		shutdown(TCP->sock6, SD_BOTH);

		n = 0;
		while (TCP->FBBsock[n])
			shutdown(TCP->FBBsock[n++], SD_BOTH);

		shutdown(TCP->Relaysock, SD_BOTH);
		shutdown(TCP->HTTPsock, SD_BOTH);
		shutdown(TCP->HTTPsock6, SD_BOTH);


		n = 0;
		while (TCP->FBBsock6[n])
			shutdown(TCP->FBBsock[n++], SD_BOTH);

		shutdown(TCP->Relaysock6, SD_BOTH);
		Sleep(500);

		closesocket(TCP->TCPSock);
		closesocket(TCP->sock6);

		n = 0;
		while (TCP->FBBsock[n])
			closesocket(TCP->FBBsock[n++]);

		n = 0;
		while (TCP->FBBsock6[n])
			closesocket(TCP->FBBsock6[n++]);

		closesocket(TCP->Relaysock);
		closesocket(TCP->Relaysock6);
		closesocket(TCP->HTTPsock);
		closesocket(TCP->HTTPsock6);

		// Save info from old TNC record
			
		n = TNC->Port;
		PortRecord = TNC->PortRecord;
#ifndef LINBPQ
		SavehDlg = TNC->hDlg;
		SaveCMS = TCP->hCMSWnd;
		SaveMonitor = TNC->hMonitor;
		SaveMenu1 = TCP->hActionMenu;
		SaveMenu2 = TCP->hDisMenu;
		SaveMenu3 = TCP->hLogMenu;
#endif
		// Free old TCP Session Stucts

		for (i = 0; i <= TNC->TCPInfo->MaxSessions; i++)
		{
			free(TNC->Streams[i].ConnectionInfo);
		}

		ReadConfigFile(TNC->Port, ProcessLine);

		TNC = TNCInfo[n];
		TNC->Port = n;
		TNC->Hardware = H_TELNET;
		TNC->RIG = &TNC->DummyRig;			// Not using Rig control, so use Dummy

		// Get Menu Handles

		TCP = TNC->TCPInfo;
#ifndef LINBPQ
		TNC->hDlg = SavehDlg;
		TCP->hCMSWnd = SaveCMS;
		TNC->hMonitor = SaveMonitor;
		TCP->hActionMenu = SaveMenu1;
		TCP->hDisMenu = SaveMenu2;
		TCP->hLogMenu = SaveMenu3;

		CheckMenuItem(TCP->hActionMenu, 3, MF_BYPOSITION | TNC->TCPInfo->CMS<<3);
		CheckMenuItem(TCP->hLogMenu, 0, MF_BYPOSITION | LogEnabled<<3);
		CheckMenuItem(TCP->hLogMenu, 1, MF_BYPOSITION | CMSLogEnabled<<3);
#endif
		// Malloc TCP Session Stucts

		for (i = 0; i <= TNC->TCPInfo->MaxSessions; i++)
		{			
			TNC->Streams[i].ConnectionInfo = zalloc(sizeof(struct ConnectionInfo));
			TCP->CurrentSockets = i;  //Record max used to save searching all entries
#ifndef LINBPQ
			if (i > 0)
				ModifyMenu(TCP->hDisMenu,i - 1 ,MF_BYPOSITION | MF_STRING,IDM_DISCONNECT + 1, ".");
#endif
		}

		TNC->PortRecord = PortRecord;

		Sleep(500);
		OpenSockets(TNC);
		OpenSockets6(TNC);
		SetupListenSet(TNC);
		CheckCMS(TNC);
		ShowConnections(TNC);
	}

	break;

	case 5:				// Close

		TCP = TNC->TCPInfo;

		for (n = 1; n <= TCP->CurrentSockets; n++)
		{
			sockptr = TNC->Streams[n].ConnectionInfo;
			closesocket(sockptr->socket);
		}
	
		shutdown(TCP->TCPSock, SD_BOTH);

		n = 0;
		while (TCP->FBBsock[n])
			shutdown(TCP->FBBsock[n++], SD_BOTH);

		shutdown(TCP->Relaysock, SD_BOTH);
		shutdown(TCP->HTTPsock, SD_BOTH);
		shutdown(TCP->HTTPsock6, SD_BOTH);

		shutdown(TCP->sock6, SD_BOTH);

		n = 0;
		while (TCP->FBBsock6[n])
			shutdown(TCP->FBBsock6[n++], SD_BOTH);

		shutdown(TCP->Relaysock6, SD_BOTH);

		Sleep(500);
		closesocket(TCP->TCPSock);

		n = 0;
		while (TCP->FBBsock[n])
			closesocket(TCP->FBBsock[n++]);

		closesocket(TCP->Relaysock);

		closesocket(TCP->sock6);

		n = 0;
		while (TCP->FBBsock6[n])
			closesocket(TCP->FBBsock6[n++]);

		closesocket(TCP->Relaysock6);
		closesocket(TCP->HTTPsock);
		closesocket(TCP->HTTPsock6);

		return (0);

	case 6:				// Scan Control

		return 0;		// None Yet

	}
	return 0;

}



static int WebProc(struct TNCINFO * TNC, char * Buff, BOOL LOCAL)
{
	int Len;
	char msg[256];
	struct ConnectionInfo * sockptr;
	int i,n;

	char CMSStatus[80] = "";

	if (TNC->TCPInfo->CMS)
	{
		if (TNC->TCPInfo->CMSOK)
			strcpy(CMSStatus, "CMS Ok");
		else
			strcpy(CMSStatus, "No CMS");
	}

	Len = sprintf(Buff, "<html><meta http-equiv=expires content=0><meta http-equiv=refresh content=15>"
	"<head><title>Telnet Status</title></head><body><b>Telnet Status &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;%s</b>", CMSStatus);

	Len += sprintf(&Buff[Len], "<table style=\"text-align: left; width: 250px; font-family: monospace; align=center \" border=1 cellpadding=2 cellspacing=2>");


	Len += sprintf(&Buff[Len], "<tr><th>User</th><th>Callsign</th><th>Queue</th></tr>");

	for (n = 1; n <= TNC->TCPInfo->CurrentSockets; n++)
	{
		sockptr=TNC->Streams[n].ConnectionInfo;

		if (!sockptr->SocketActive)
		{
			strcpy(msg,"<tr><td>Idle</td><td>&nbsp;</td><td>&nbsp;</td></tr>");
		}
		else
		{
			if (sockptr->UserPointer == 0)
			{
				if (sockptr->HTTPMode)
				{
					char Addr[100];
					Tel_Format_Addr(sockptr, Addr);
					if (sockptr->WebSocks)
						sprintf(msg,"<tr><td>Websock<%s</td><td>&nbsp;</td><td>&nbsp;</td></tr>", Addr);
					else
						sprintf(msg,"<tr><td>HTTP<%s</td><td>&nbsp;</td><td>&nbsp;</td></tr>", Addr);
				}
				else if (sockptr->DRATSMode)
				{
					char Addr[100];
					Tel_Format_Addr(sockptr, Addr);
					sprintf(msg,"<tr><td>DRATS<%s</td><td>&nbsp;</td><td>&nbsp;</td></tr>", Addr);
				}
				else
					strcpy(msg,"<tr><td>Logging in</td><td>&nbsp;</td><td>&nbsp;</td></tr>");
			}
			else
			{
				i=sprintf(msg,"<tr><td>%s</td><td>%s</td><td>%d</td></tr>",
					sockptr->UserPointer->UserName, sockptr->Callsign, 
					sockptr->FromHostBuffPutptr - sockptr->FromHostBuffGetptr);
			}
		}
		Len += sprintf(&Buff[Len], "%s", msg);
	}

	Len += sprintf(&Buff[Len], "</table>");
	return Len;
}



void * TelnetExtInit(EXTPORTDATA * PortEntry)
{
	char msg[500];
	struct TNCINFO * TNC;
	struct TCPINFO * TCP;
	int port;
	char * ptr;
	int i;
	HWND x=0;

/*
	UCHAR NC[257];
	WCHAR WC[1024];
	
	int WLen, NLen;

	UINT UTF[256] = {0};
	UINT UTFL[256];

	int n, u;

	for (n = 0; n < 256; n++)
		NC[n] =n ;

	n = MultiByteToWideChar(437, 0, NC, 256, &WC[0], 1024); 

	for (n = 0; n < 256; n++)
		UTFL[n] = WideCharToMultiByte(CP_UTF8, 0, &WC[n], 1, &UTF[n], 1024 , NULL, NULL);

	// write UTF8 data as source

	{
	HANDLE Handle;
	int i, n, Len;
	char Line [256];


	Handle = CreateFile("c:\\UTF8437Data.c", GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
	
	n = wsprintf (Line, "unsigned int CP437toUTF8Data[128] = {\r\n");

	WriteFile(Handle, Line ,n , &n, NULL);

	if (Handle != INVALID_HANDLE_VALUE)
	{
		for (i = 128; i < 256; i += 4)
		{
			n = wsprintf (Line, "  %d, %d, %d, %d,  \r\n",
				UTF[i], UTF[i+1], UTF[i+2], UTF[i+3]);
			WriteFile(Handle, Line ,n , &n, NULL);

		}

		WriteFile(Handle, "};\r\n", 4, &n, NULL); 
	}
	n = wsprintf (Line, "unsigned int CP437toUTF8DataLen[128] = {\r\n");

	WriteFile(Handle, Line ,n , &n, NULL);

	if (Handle != INVALID_HANDLE_VALUE)
	{
		for (i = 128; i < 256;i += 4)
		{
			n = wsprintf (Line, "  %d, %d, %d, %d,  \r\n",
				UTFL[i], UTFL[i+1], UTFL[i+2], UTFL[i+3]);
			WriteFile(Handle, Line ,n , &n, NULL);

		}

		WriteFile(Handle, "};\r\n", 4, &n, NULL); 

		SetEndOfFile(Handle);
	
		CloseHandle(Handle);
	}
	}
*/

	DeleteTelnetLogFiles();

	initUTF8();

	sprintf(msg,"Telnet Server ");
	WritetoConsoleLocal(msg);

	port=PortEntry->PORTCONTROL.PORTNUMBER;

	ReadConfigFile(port, ProcessLine);

	TNC = TNCInfo[port];

	if (TNC == NULL)
	{
		// Not defined in Config file

		WritetoConsoleLocal("\n");
		return ExtProc;
	}

	TCP = TNC->TCPInfo;

	TNC->Port = port;

	TNC->Hardware = H_TELNET;

	PortEntry->MAXHOSTMODESESSIONS = TNC->TCPInfo->MaxSessions + 1;		// Default

	TNC->PortRecord = PortEntry;

	if (PortEntry->PORTCONTROL.PORTCALL[0] != 0)
		ConvFromAX25(&PortEntry->PORTCONTROL.PORTCALL[0], TNC->NodeCall);

	PortEntry->PORTCONTROL.PROTOCOL = 10;	// WINMOR/Pactor
	PortEntry->PORTCONTROL.PORTQUALITY = 0;
	PortEntry->SCANCAPABILITIES = NONE;		// No Scan Control 
	PortEntry->PERMITGATEWAY = TRUE;

	ptr=strchr(TNC->NodeCall, ' ');
	if (ptr) *(ptr) = 0;					// Null Terminate

	TELNETMONVECPTR->HOSTAPPLFLAGS = 0x80;		// Requext Monitoring

	if (TCP->LoginMsg[0] == 0)
		strcpy(TCP->LoginMsg, "user:");
	if (TCP->PasswordMsg[0] == 0)
		strcpy(TCP->PasswordMsg, "password:");
	if (TCP->cfgCTEXT[0] == 0)
	{
		char Call[10];
		memcpy(Call, MYNODECALL, 10);
		strlop(Call, ' ');

		sprintf(TCP->cfgCTEXT, "Connected to %s's Telnet Server\r\n\r\n", Call);
	}

	PortEntry->PORTCONTROL.TNC = TNC;

	TNC->WebWindowProc = WebProc;
	TNC->WebWinX = 260;
	TNC->WebWinY = 325;

#ifndef LINBPQ

	CreatePactorWindow(TNC, ClassName, WindowTitle, RigControlRow, TelWndProc, 400, 300, NULL);

	TCP->hCMSWnd = CreateWindowEx(0, "STATIC", "CMS OK ", WS_CHILD | WS_VISIBLE,
			240,0,60,16, TNC->hDlg, NULL, hInstance, NULL);

	SendMessage(TCP->hCMSWnd, WM_SETFONT, (WPARAM)hFont, 0);

	x = CreateWindowEx(0, "STATIC", " User      Callsign  Queue", WS_CHILD | WS_VISIBLE,
			0,0,240,16, TNC->hDlg, NULL, hInstance, NULL);

	SendMessage(x, WM_SETFONT, (WPARAM)hFont, 0);


	TNC->hMonitor= CreateWindowEx(0, "LISTBOX", "", WS_CHILD | WS_VISIBLE  | WS_VSCROLL,
			0,20,400,2800, TNC->hDlg, NULL, hInstance, NULL);

	SendMessage(TNC->hMonitor, WM_SETFONT, (WPARAM)hFont, 0);

	hPopMenu = CreatePopupMenu();
	hPopMenu2 = CreatePopupMenu();
	hPopMenu3 = CreatePopupMenu();

	AppendMenu(hPopMenu, MF_STRING + MF_POPUP, (UINT)hPopMenu2,"Logging Options");
	AppendMenu(hPopMenu, MF_STRING + MF_POPUP, (UINT)hPopMenu3,"Disconnect User");
	AppendMenu(hPopMenu, MF_STRING, TELNET_RECONFIG, "ReRead Config");
	AppendMenu(hPopMenu, MF_STRING, CMSENABLED, "CMS Access Enabled");
	AppendMenu(hPopMenu, MF_STRING, USECACHEDCMS, "Using Cached CMS Addresses");

	AppendMenu(hPopMenu2, MF_STRING, IDM_LOGGING, "Log incoming connections");
	AppendMenu(hPopMenu2, MF_STRING, IDM_CMS_LOGGING, "Log CMS Connections");

	AppendMenu(hPopMenu3, MF_STRING, IDM_DISCONNECT, "1");

	TCP->hActionMenu = hPopMenu;

	CheckMenuItem(TCP->hActionMenu, 3, MF_BYPOSITION | TCP->CMS<<3);

	TCP->hLogMenu = hPopMenu2;
	TCP->hDisMenu = hPopMenu3;

	CheckMenuItem(TCP->hLogMenu, 0, MF_BYPOSITION | LogEnabled<<3);
	CheckMenuItem(TCP->hLogMenu, 1, MF_BYPOSITION | CMSLogEnabled<<3);

//	ModifyMenu(hMenu, 1, MF_BYPOSITION | MF_OWNERDRAW | MF_STRING, 10000,  0); 
 
#endif

	// Malloc TCP Session Stucts

	for (i = 0; i <= TNC->TCPInfo->MaxSessions; i++)
	{
		TNC->Streams[i].ConnectionInfo = zalloc(sizeof(struct ConnectionInfo));
		TNC->Streams[i].ConnectionInfo->Number = i;
		TCP->CurrentSockets = i;  //Record max used to save searching all entries

		sprintf(msg,"%d", i);

#ifndef LINBPQ
		if (i > 1)
			AppendMenu(TCP->hDisMenu, MF_STRING, IDM_DISCONNECT ,msg);
#endif
	}

	OpenSockets(TNC);
	OpenSockets6(TNC);
	SetupListenSet(TNC);
	TNC->RIG = &TNC->DummyRig;			// Not using Rig control, so use Dummy

	if (TCP->CMS)
		CheckCMS(TNC);

	WritetoConsoleLocal("\n");

	ShowConnections(TNC);

	if (TCP->ReportHybrid)
		SendWL2KRegisterHybrid(TNC);


	return ExtProc;
}

SOCKET OpenUDPSocket(struct TNCINFO * TNC)
{
	u_long param = 1;
	struct sockaddr_in sinx; 
	int err, ret;
	struct TCPINFO * TCP = TNC->TCPInfo;
	char Msg[80];

	TCP->SNMPsock = socket(AF_INET,SOCK_DGRAM,0);
	
	if (TCP->SNMPsock == INVALID_SOCKET)
	{
		WritetoConsoleLocal("Failed to create SNMP UDP socket");
		return 0;
	}

	ioctl (TCP->SNMPsock, FIONBIO, &param);

	sinx.sin_family = AF_INET;
	sinx.sin_addr.s_addr = INADDR_ANY;
		
	sinx.sin_port = htons(TCP->SNMPPort);

	ret = bind(TCP->SNMPsock, (struct sockaddr *) &sinx, sizeof(sinx));

	if (ret != 0)
	{
		//	Bind Failed

		err = WSAGetLastError();
		sprintf(Msg, "Bind Failed for SNMP UDP socket %d - error code = %d", TCP->SNMPPort, err);
		WritetoConsoleLocal(Msg);
		return 0;
	}

	return TCP->SNMPsock;
}



SOCKET OpenSocket4(struct TNCINFO * xTNC, int port)
{
	struct sockaddr_in  local_sin;  /* Local socket - internet style */
	struct sockaddr_in * psin;
	SOCKET sock = 0;
	u_long param=1;

	char szBuff[80];

	psin=&local_sin;
	psin->sin_family = AF_INET;
	psin->sin_addr.s_addr = INADDR_ANY;

	if (port)
	{
		sock = socket(AF_INET, SOCK_STREAM, 0);

	    if (sock == INVALID_SOCKET)
		{
	        sprintf(szBuff, "socket() failed error %d\n", WSAGetLastError());
			WritetoConsoleLocal(szBuff);
			return 0;
		}

		setsockopt (sock, SOL_SOCKET, SO_REUSEADDR, (char *)&param,4);

 
		psin->sin_port = htons(port);        // Convert to network ordering 

		if (bind( sock, (struct sockaddr FAR *) &local_sin, sizeof(local_sin)) == SOCKET_ERROR)
		{
			sprintf(szBuff, "bind(sock) failed port %d Error %d\n", port, WSAGetLastError());
			WritetoConsoleLocal(szBuff);
		    closesocket( sock );
			return FALSE;
		}

		if (listen( sock, MAX_PENDING_CONNECTS ) < 0)
		{
			sprintf(szBuff, "listen(sock) failed port %d Error %d\n", port, WSAGetLastError());
			WritetoConsoleLocal(szBuff);
			return FALSE;
		}
		ioctl(sock, FIONBIO, &param);
	}

	return sock;
}

BOOL OpenSockets(struct TNCINFO * TNC)
{
	struct sockaddr_in  local_sin;  /* Local socket - internet style */
	struct sockaddr_in * psin;
	u_long param=1;
	struct TCPINFO * TCP = TNC->TCPInfo;
	int n;

	if (!TCP->IPV4)
		return TRUE;

	psin=&local_sin;
	psin->sin_family = AF_INET;
	psin->sin_addr.s_addr = INADDR_ANY;

	if (TCP->TCPPort)
		TCP->TCPSock = OpenSocket4(TNC, TCP->TCPPort);

	n = 0;

	while (TCP->FBBPort[n])
	{
		TCP->FBBsock[n] = OpenSocket4(TNC, TCP->FBBPort[n]);
		n++;
	}

	if (TCP->RelayPort)
		TCP->Relaysock = OpenSocket4(TNC, TCP->RelayPort);

	if (TCP->TriModePort)
	{
		TCP->TriModeSock = OpenSocket4(TNC, TCP->TriModePort);
		TCP->TriModeDataSock = OpenSocket4(TNC, TCP->TriModePort + 1);
	}

	if (TCP->HTTPPort)
		TCP->HTTPsock = OpenSocket4(TNC, TCP->HTTPPort);

	if (TCP->APIPort)
		TCP->APIsock = OpenSocket4(TNC, TCP->APIPort);

	if (TCP->SyncPort)
		TCP->Syncsock = OpenSocket4(TNC, TCP->SyncPort);

	if (TCP->DRATSPort)
		TCP->DRATSsock = OpenSocket4(TNC, TCP->DRATSPort);

	if (TCP->SNMPPort)
		TCP->SNMPsock = OpenUDPSocket(TNC);

	CMSUser.UserName = _strdup("CMS");

	TriModeUser.Secure = TRUE;
	TriModeUser.UserName = _strdup("TRIMODE");
	TriModeUser.Callsign = zalloc(10);

	return TRUE;
}

SOCKET OpenSocket6(struct TNCINFO * TNC, int port)
{

	struct sockaddr_in6 local_sin;  /* Local socket - internet style */
	struct sockaddr_in6 * psin;
	SOCKET sock;
	char szBuff[80];
	u_long param=1;

	memset(&local_sin, 0, sizeof(local_sin));

	psin=&local_sin;
	psin->sin6_family = AF_INET6;
	psin->sin6_addr = in6addr_any;
	psin->sin6_flowinfo = 0;
	psin->sin6_scope_id = 0;

	sock = socket(AF_INET6, SOCK_STREAM, 0);
	
#ifndef WIN32

	if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, &param, sizeof(param)) < 0)
	{
      perror("setting option IPV6_V6ONLY");
    }

#endif

	if (sock == INVALID_SOCKET)
	{
		sprintf(szBuff, "IPV6 socket() failed error %d\n", WSAGetLastError());
		WritetoConsoleLocal(szBuff);
		return FALSE;  
	}

	psin->sin6_port = htons(port);        // Convert to network ordering 

	if (bind(sock, (struct sockaddr FAR *)psin, sizeof(local_sin)) == SOCKET_ERROR)
	{
        sprintf(szBuff, "IPV6 bind(sock) failed Port %d Error %d\n", port, WSAGetLastError());
		WritetoConsoleLocal(szBuff);
	    closesocket( sock );

		return FALSE;
	}

	if (listen( sock, MAX_PENDING_CONNECTS ) < 0)
	{
		sprintf(szBuff, "IPV6 listen(sock) failed Error %d\n", WSAGetLastError());
		WritetoConsoleLocal(szBuff);

		return FALSE;
	}

	ioctl(sock, FIONBIO, &param);
	return sock;
}


BOOL OpenSockets6(struct TNCINFO * TNC)
{
	struct sockaddr_in6 local_sin;  /* Local socket - internet style */

	struct sockaddr_in6 * psin;
	struct TCPINFO * TCP = TNC->TCPInfo;
	int n;
	u_long param=1;

	if (!TCP->IPV6)
		return TRUE;

	memset(&local_sin, 0, sizeof(local_sin));

	psin=&local_sin;
	psin->sin6_family = AF_INET6;
	psin->sin6_addr = in6addr_any;
	psin->sin6_flowinfo = 0;
	psin->sin6_scope_id = 0;


	if (TCP->TCPPort)
		TCP->sock6 = OpenSocket6(TNC, TCP->TCPPort);

	n = 0;

	while (TCP->FBBPort[n])
	{
		TCP->FBBsock6[n] = OpenSocket6(TNC, TCP->FBBPort[n]);
		n++;
	}

	if (TCP->RelayPort)
		TCP->Relaysock6 = OpenSocket6(TNC, TCP->RelayPort);

	if (TCP->HTTPPort)
		TCP->HTTPsock6 = OpenSocket6(TNC, TCP->HTTPPort);

	if (TCP->APIPort)
		TCP->APIsock6 = OpenSocket6(TNC, TCP->APIPort);

	if (TCP->SyncPort)
		TCP->Syncsock6 = OpenSocket6(TNC, TCP->SyncPort);

	if (TCP->DRATSPort)
		TCP->DRATSsock6 = OpenSocket6(TNC, TCP->DRATSPort);


	CMSUser.UserName = _strdup("CMS");

	return TRUE;
}

static VOID SetupListenSet(struct TNCINFO * TNC)
{
	// Set up master set of fd's for checking for incoming calls

	struct TCPINFO * TCP = TNC->TCPInfo;
	SOCKET maxsock = 0;
	int n;
	fd_set * readfd = &TCP->ListenSet;
	SOCKET sock;

	FD_ZERO(readfd);

	n = 0;
	while (n < 100)
	{
		sock = TCP->FBBsock[n++];
		if (sock)
		{
			FD_SET(sock, readfd);
			if (sock > maxsock)
				maxsock = sock;
		}
	}

	sock = TCP->TCPSock;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}
		
	sock = TCP->Relaysock;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}
		
	sock = TCP->HTTPsock;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}

	sock = TCP->APIsock;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}
		
	sock = TCP->Syncsock;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}

	sock = TCP->DRATSsock;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}

	sock = TCP->TriModeSock;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}

	sock = TCP->TriModeDataSock;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}
	n = 0;
	while (n < 100)
	{
		sock = TCP->FBBsock6[n++];
		if (sock)
		{
			FD_SET(sock, readfd);
			if (sock > maxsock)
				maxsock = sock;
		}
	}

	sock = TCP->sock6;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}
		
	sock = TCP->Relaysock6;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}
		
	sock = TCP->HTTPsock6;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}

	sock = TCP->APIsock6;
	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}

	sock = TCP->DRATSsock6;

	if (sock)
	{
		FD_SET(sock, readfd);
		if (sock > maxsock)
			maxsock = sock;
	}
	TCP->maxsock = maxsock;
}


VOID TelnetPoll(int Port)
{
	struct TNCINFO * TNC = TNCInfo[Port];
	UCHAR * Poll = TNC->TXBuffer;
	struct TCPINFO * TCP = TNC->TCPInfo;
	struct STREAMINFO * STREAM;
	int Msglen;
	int Stream;

	//	we now poll for incoming connections 

	struct timeval timeout;
	int retval;
	int n;
	struct ConnectionInfo * sockptr;
	SOCKET sock;
	int Active = 0;
	SOCKET maxsock;

	fd_set readfd, writefd, exceptfd;
	timeout.tv_sec = 0;
	timeout.tv_usec = 0;				// poll

	if (TCP->maxsock == 0)
		goto nosocks;

	memcpy(&readfd, &TCP->ListenSet, sizeof(fd_set));

	retval = select((int)(TCP->maxsock) + 1, &readfd, NULL, NULL, &timeout);

	if (retval == -1)
	{
		retval = WSAGetLastError();
		perror("listen select");
	}

	if (retval)
	{
		n = 0;
		while (TCP->FBBsock[n])
		{
			sock = TCP->FBBsock[n];
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->FBBPort[n]);

			n++;
		}

		sock = TCP->TCPSock;
		if (sock)
		{
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->TCPPort);
		}

		sock = TCP->TriModeSock;
		if (sock)
		{
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->TriModePort);
		}
		sock = TCP->TriModeDataSock;
		if (sock)
		{
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->TriModePort + 1);
		}

		sock = TCP->Relaysock;
		if (sock)
		{
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->RelayPort);
		}

		sock = TCP->HTTPsock;
		if (sock)
		{
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->HTTPPort);
		}

		sock = TCP->DRATSsock;
		if (sock)
		{
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->DRATSPort);
		}

		sock = TCP->Syncsock;
		if (sock)
		{
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->SyncPort);
		}



		n = 0;

		while (TCP->FBBsock6[n])
		{
			sock = TCP->FBBsock6[n];
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->FBBPort[n]);
			n++;
		}

		sock = TCP->sock6;
		if (sock)
		{
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->TCPPort);
		}

		sock = TCP->Relaysock6;
		if (sock)
		{
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->RelayPort);
		}

		sock = TCP->HTTPsock6;
		if (sock)
		{
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->HTTPPort);
		}

		sock = TCP->DRATSsock6;
		if (sock)
		{
			if (FD_ISSET(sock, &readfd))
				Socket_Accept(TNC, sock, TCP->DRATSPort);
		}
	}

	// look for data on any active sockets

	maxsock = 0;

	FD_ZERO(&readfd);
	FD_ZERO(&writefd);
	FD_ZERO(&exceptfd);

	for (n = 0; n <= TCP->MaxSessions; n++)
	{
		sockptr = TNC->Streams[n].ConnectionInfo;

		//	Should we use write event after a blocked write ????

		if (sockptr->SocketActive)
		{
//			if (sockptr->socket == 0)
//			{
//				Debugprintf("Active Session but zero socket");
//				DataSocket_Disconnect(TNC, sockptr);
//				return;
//			}

			if (TNC->Streams[n].Connecting)
			{
				// look for complete or failed

				FD_SET(sockptr->socket, &writefd);
				FD_SET(sockptr->socket, &exceptfd);
			}
			else
			{
				FD_SET(sockptr->socket, &readfd);
				FD_SET(sockptr->socket, &exceptfd);
			}
			Active++;
			if (sockptr->socket > maxsock)
				maxsock = sockptr->socket;

			if (sockptr->TriModeDataSock)
			{
				FD_SET(sockptr->TriModeDataSock, &readfd);
				FD_SET(sockptr->TriModeDataSock, &exceptfd);

				if (sockptr->TriModeDataSock > maxsock)
					maxsock = sockptr->TriModeDataSock;
			}
		}
	}

	if (Active)
	{
		retval = select((int)maxsock + 1, &readfd, &writefd, &exceptfd, &timeout);

		if (retval == -1)
		{				
			perror("data select");
			Debugprintf("Telnet Select Error %d Active %d", WSAGetLastError(), Active);

			for (n = 0; n <= TCP->MaxSessions; n++)
			{
				sockptr = TNC->Streams[n].ConnectionInfo;
				if (sockptr->SocketActive)
					Debugprintf("Active Session %d socket %d", n, sockptr->socket);
			}
		}
		else
		{
			if (retval)
			{
				// see who has data

				for (n = 0; n <= TCP->MaxSessions; n++)
				{
					sockptr = TNC->Streams[n].ConnectionInfo;

					if (sockptr->SocketActive)
					{
						sock = sockptr->socket;

						if (sockptr->TriModeDataSock)
						{
							if (FD_ISSET(sockptr->TriModeDataSock, &readfd))
							{
								ProcessTriModeDataMessage(TNC, sockptr, sockptr->TriModeDataSock, &TNC->Streams[n]);
							}
						}

						if (FD_ISSET(sock, &readfd))
						{
							if (sockptr->RelayMode)
								DataSocket_ReadRelay(TNC, sockptr, sock, &TNC->Streams[n]);
							else if (sockptr->HTTPMode)
								DataSocket_ReadHTTP(TNC, sockptr, sock, n);
							else if (sockptr->SyncMode)
								DataSocket_ReadSync(TNC, sockptr, sock, n);
							else if (sockptr->FBBMode)
								DataSocket_ReadFBB(TNC, sockptr, sock, n);
							else if (sockptr->DRATSMode)
								DataSocket_ReadDRATS(TNC, sockptr, sock, n);
							else
								DataSocket_Read(TNC, sockptr, sock, &TNC->Streams[n]);
						}

						if (FD_ISSET(sock, &exceptfd))
						{
							Debugprintf("exceptfd set");
							Telnet_Connected(TNC, sockptr, sock, 1);
						}

						if (FD_ISSET(sock, &writefd))
							Telnet_Connected(TNC, sockptr, sock, 0);

					}
				}
			}
		}
	}


nosocks:

	// Try SNMP

	if (TCP->SNMPsock)
	{
		struct sockaddr_in rxaddr;
		char rxbuff[500];
		int addrlen = sizeof(struct sockaddr_in);
		int Offset = 0;

		int len = recvfrom(TCP->SNMPsock, rxbuff, 500, 0,(struct sockaddr *)&rxaddr, &addrlen);

		if (len > 0)
		{
			UCHAR Reply[256];
			int SendLen;

			SendLen = ProcessSNMPPayload(rxbuff, len, Reply, &Offset);

			if (SendLen == 0)
				return;

			sendto(TCP->SNMPsock, &Reply[Offset], SendLen, 0, (struct sockaddr *)&rxaddr, addrlen);
			return;
		}
	}
	while (TELNETMONVECPTR->HOSTTRACEQ)
	{
		int len;
		time_t stamp;
		BOOL MonitorNODES = FALSE;
		MESSAGE * monbuff;
		UCHAR * monchars;

		unsigned char buffer[1024] = "\xff\x1b\xb";

		monbuff = Q_REM((void **)&TELNETMONVECPTR->HOSTTRACEQ);
		monchars = (UCHAR *)monbuff;

		stamp = monbuff->Timestamp;

		if (monbuff->PORT & 0x80)		// TX
			buffer[2] = 91;
		else
			buffer[2] = 17;
	
		for (Stream = 0; Stream <= TCP->MaxSessions; Stream++)
		{
			STREAM = &TNC->Streams[Stream];

			if (TNC->PortRecord->ATTACHEDSESSIONS[Stream])
			{
				struct ConnectionInfo * sockptr = STREAM->ConnectionInfo;

				if (sockptr->BPQTermMode)
				{
					if (sizeof(void *) > 4)
						monchars += 4;

					if (!sockptr->MonitorNODES && monchars[21] == 3 && monchars[22] == 0xcf && monchars[23] == 0xff)
					{
						len = 0;
					}
					else
					{
						unsigned long long SaveMMASK = MMASK;
						BOOL SaveMTX = MTX;
						BOOL SaveMCOM = MCOM;
						BOOL SaveMUI = MUIONLY;

						IntSetTraceOptionsEx(sockptr->MMASK, sockptr->MTX, sockptr->MCOM, sockptr->MUIOnly);
						len = IntDecodeFrame((MESSAGE *)monbuff, &buffer[3], stamp, sockptr->MMASK, FALSE, FALSE);
						IntSetTraceOptionsEx(SaveMMASK, SaveMTX, SaveMCOM, SaveMUI);

						if (len)
						{
							len += 3;
							buffer[len++] = 0xfe;
							send(STREAM->ConnectionInfo->socket, buffer, len, 0);
						}
					}
				}
			}
		}

		ReleaseBuffer(monbuff);
	}
	
	for (Stream = 0; Stream <= TCP->MaxSessions; Stream++)
	{
		STREAM = &TNC->Streams[Stream];

		if (TNC->PortRecord->ATTACHEDSESSIONS[Stream] && STREAM->Attached == 0)
		{
			// New Attach

			int calllen = ConvFromAX25(TNC->PortRecord->ATTACHEDSESSIONS[Stream]->L4USER, TNC->Streams[Stream].MyCall);
			TNC->Streams[Stream].MyCall[calllen] = 0;

			STREAM->Attached = TRUE;
			STREAM->FramesQueued= 0;
			STREAM->NoCMSFallback = 0;

			continue;
		}

		if (STREAM->Attached)
		{
			if (TNC->PortRecord->ATTACHEDSESSIONS[Stream] == 0 && STREAM->Attached)
			{
				// Node has disconnected - clear any connection

				struct ConnectionInfo * sockptr = TNC->Streams[Stream].ConnectionInfo;
				SOCKET sock = sockptr->socket;
				char Msg[80];	
				PMSGWITHLEN buffptr;

				STREAM->Attached = FALSE;
				STREAM->Connected = FALSE;
				STREAM->NoCMSFallback = FALSE;

				sockptr->FromHostBuffPutptr = sockptr->FromHostBuffGetptr = 0;	// clear any queued data

				while(TNC->Streams[Stream].BPQtoPACTOR_Q)
				{
					buffptr = (PMSGWITHLEN)Q_REM(&TNC->Streams[Stream].BPQtoPACTOR_Q);
					if (TelSendPacket(Stream, &TNC->Streams[Stream], buffptr, sockptr->ADIF) == FALSE)
					{
						//	Send failed, and has saved packet
						//	free saved and discard any more on queue

						free(sockptr->ResendBuffer);
						sockptr->ResendBuffer = NULL;
						sockptr->ResendLen = 0;

						while(TNC->Streams[Stream].BPQtoPACTOR_Q)
						{
							buffptr=Q_REM(&TNC->Streams[Stream].BPQtoPACTOR_Q);
							ReleaseBuffer(buffptr);
						}
						break;
					}
				}

				while(TNC->Streams[Stream].PACTORtoBPQ_Q)
				{
					buffptr=Q_REM(&TNC->Streams[Stream].PACTORtoBPQ_Q);
					ReleaseBuffer(buffptr);
				}

				if (LogEnabled)
				{
					char logmsg[120];
					sprintf(logmsg,"%d Disconnected. Bytes Sent = %d Bytes Received %d\n",
						sockptr->Number, STREAM->BytesTXed, STREAM->BytesRXed);

					WriteLog (logmsg);
				}

				if (!sockptr->FBBMode)
				{
					sprintf(Msg,"*** Disconnected from Stream %d\r\n",Stream);
					send(sock, Msg, (int)strlen(Msg),0);
				}

				if (sockptr->UserPointer == &TriModeUser)
				{
					// Always Disconnect

					send(sockptr->socket, "DISCONNECTED\r\n", 14, 0);
					return;
				}

				if (sockptr->UserPointer == &CMSUser)
				{
					if (CMSLogEnabled)
					{
						char logmsg[120];
						sprintf(logmsg,"%d Disconnected. Bytes Sent = %d Bytes Received %d Time %d Seconds\r\n",
							sockptr->Number, STREAM->BytesTXed, STREAM->BytesRXed, (int)(time(NULL) - sockptr->ConnectTime));

						WriteCMSLog (logmsg);
					}

					// Don't report if Internet down unless ReportRelayTraffic set)

					if (sockptr->RelaySession == FALSE || TCP->ReportRelayTraffic)
						SendWL2KSessionRecord(sockptr->ADIF, STREAM->BytesTXed, STREAM->BytesRXed);

					WriteADIFRecord(sockptr->ADIF);

					if (sockptr->ADIF)
						free(sockptr->ADIF);

					sockptr->ADIF = NULL;

					// Always Disconnect CMS Socket

					DataSocket_Disconnect(TNC, sockptr);	
					return;
				}

				if (sockptr->RelayMode)
				{
					// Always Disconnect Relay Socket

					Sleep(100);
					DataSocket_Disconnect(TNC, sockptr);	
					return;
				}

				if (sockptr->Signon[0] || sockptr->ClientSession)		// Outward Connect
				{
					Sleep(1000);
					DataSocket_Disconnect(TNC, sockptr);
					return;
				}


				if (TCP->DisconnectOnClose)
				{
					Sleep(1000);
					DataSocket_Disconnect(TNC, sockptr);
				}
				else
				{
					char DisfromNodeMsg[] = "Disconnected from Node - Telnet Session kept\r\n";
					send(sockptr->socket, DisfromNodeMsg, (int)strlen(DisfromNodeMsg),0);
				}
			}
		}
	}

	for (Stream = 0; Stream <= TCP->MaxSessions; Stream++)
	{
		struct ConnectionInfo * sockptr = TNC->Streams[Stream].ConnectionInfo;
		STREAM = &TNC->Streams[Stream];

		if (sockptr->SocketActive && sockptr->Keepalive && L4LIMIT)
		{
#ifdef WIN32
			if ((REALTIMETICKS - sockptr->LastSendTime) > (L4LIMIT - 60) * 9)	// PC Ticks are about 10% slow
#else
			if ((REALTIMETICKS - sockptr->LastSendTime) > (L4LIMIT - 60) * 10)
#endif
			{
				// Send Keepalive

				sockptr->LastSendTime = REALTIMETICKS;
				BuffertoNode(sockptr, "Keepalive\r", 10);
			}
		}
			
		if (sockptr->ResendBuffer)
		{
			// Data saved after EWOULDBLOCK returned to send

			UCHAR * ptr = sockptr->ResendBuffer;
			sockptr->ResendBuffer = NULL;

			SendAndCheck(sockptr, ptr, sockptr->ResendLen, 0);
			free(ptr);

			continue;
		}
			
		while (STREAM->BPQtoPACTOR_Q)
		{
			int datalen;
			PMSGWITHLEN buffptr;
			UCHAR * MsgPtr;

			// Make sure there is space. Linux TCP buffer is quite small
			// Windows doesn't support SIOCOUTQ

#ifndef WIN32
			int value = 0, error;

			error = ioctl(sockptr->socket, SIOCOUTQ, &value);

			if (value > 1500)
				break;
#endif
			buffptr = (PMSGWITHLEN)Q_REM(&TNC->Streams[Stream].BPQtoPACTOR_Q);
			STREAM->FramesQueued--;
			datalen = (int)(buffptr->Len);
			MsgPtr = &buffptr->Data[0];

			if (STREAM->ConnectionInfo->TriMode)
			{
				ProcessTrimodeResponse(TNC, STREAM, MsgPtr, datalen);
				ReleaseBuffer(buffptr);
				return;
			}


			if (TNC->Streams[Stream].Connected)
			{
				if (sockptr->SyncMode)
				{
					// Suppress Conected and SID - Relay doesn't understand them

					if (strstr(buffptr->Data,  "Connected to") || memcmp(buffptr->Data, "[BPQ-", 5) == 0)
					{
						ReleaseBuffer(buffptr);
						return;
					}
				}

				if (TelSendPacket(Stream, STREAM, buffptr, sockptr->ADIF) == FALSE)
				{
					//	Send failed, and has requeued packet
					//	Dont send any more

					break;
				}
			}
			else // Not Connected
			{
				// Command. Do some sanity checking and look for things to process locally

				datalen--;				// Exclude CR
				MsgPtr[datalen] = 0;	// Null Terminate

				if (_stricmp(MsgPtr, "NoFallback") == 0)
				{
					TNC->Streams[Stream].NoCMSFallback = TRUE;
					buffptr->Len = sprintf(&buffptr->Data[0], "Ok\r");
					C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
					return;
				}

				if (_memicmp(MsgPtr, "D", 1) == 0)
				{
					TNC->Streams[Stream].ReportDISC = TRUE;		// Tell Node
					ReleaseBuffer(buffptr);
					return;
				}
				
				if ((_memicmp(MsgPtr, "C", 1) == 0) && MsgPtr[1] == ' ' && datalen > 2)	// Connect
				{
					char Host[100] = "";
					char P2[100] = "";
					char P3[100] = "";
					char P4[100] = "";
					char P5[100] = "";
					char P6[100] = "";
					char P7[100] = "";
					unsigned int Port = 0;
					int n;

					n = sscanf(&MsgPtr[2], "%s %s %s %s %s %s %s",
							&Host[0], &P2[0], &P3[0], &P4[0], &P5[0], &P6[0], &P7[0]);
	
					sockptr->Signon[0] = 0;		// Not outgoing;
					sockptr->Keepalive = FALSE;	// No Keepalives
					sockptr->NoCallsign = FALSE;
					sockptr->UTF8 = 0;			// Not UTF8

					if (_stricmp(Host, "HOST") == 0)
					{
						Port = atoi(P2);

						if (Port > MaxBPQPortNo || TCP->CMDPort[Port] == 0)
						{
							buffptr->Len = sprintf(&buffptr->Data[0], "Error - Invalid HOST Port\r");
							C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
							STREAM->NeedDisc = 10;
							return;
						}

						STREAM->Connecting = TRUE;
						sockptr->CMSSession = FALSE;
						sockptr->FBBMode = FALSE;

						if (P3[0] == 'K' || P4[0] == 'K' || P5[0] == 'K' || P6[0] == 'K')
						{
							sockptr->Keepalive = TRUE;
							sockptr->LastSendTime = REALTIMETICKS;
						}

						if (P3[0] == 'S' || P4[0] == 'S' || P5[0] == 'S' || P6[0] == 'S')
						{
							// Set Say flag on partner session

							struct _TRANSPORTENTRY * Sess = TNC->PortRecord->ATTACHEDSESSIONS[sockptr->Number]->L4CROSSLINK;
							if (Sess)
								Sess->STAYFLAG = 1;
						}

						if (_stricmp(P3, "NOCALL") == 0 || _stricmp(P4, "NOCALL") == 0 || _stricmp(P5, "NOCALL") == 0 || _stricmp(P6, "NOCALL") == 0)
							sockptr->NoCallsign = TRUE;

						if (_stricmp(P3, "TRANS") == 0 || _stricmp(P4, "TRANS") == 0 || _stricmp(P5, "TRANS") == 0 || _stricmp(P6, "TRANS") == 0)
						{
							sockptr->FBBMode = TRUE;
							sockptr->NeedLF = TRUE;
						}

						TCPConnect(TNC, TCP, STREAM, "127.0.0.1", TCP->CMDPort[Port], sockptr->FBBMode);
						ReleaseBuffer(buffptr);
						return;
					}

					if (_stricmp(Host, "RELAY") == 0)
					{
						if (P2[0] == 0)
						{
							strcpy(P2, TCP->RELAYHOST);
							strcpy(P3, "8772");
						}

						if (P2[0])
						{
							STREAM->Connecting = TRUE;
							STREAM->ConnectionInfo->CMSSession = TRUE;
							STREAM->ConnectionInfo->RelaySession = TRUE;
							TCPConnect(TNC, TCP, STREAM, P2, atoi(P3), TRUE);
							ReleaseBuffer(buffptr);
							return;
						}
					}

					if (_stricmp(Host, "SYNC") == 0)
					{
						if (P2[0] == 0)
						{
							strcpy(P2, TCP->RELAYHOST);
							strcpy(P3, "8780");
						}

						if (P2[0])
						{
							sockptr->CMSSession = FALSE;
							STREAM->Connecting = TRUE;
							STREAM->ConnectionInfo->SyncMode = TRUE;
							TCPConnect(TNC, TCP, STREAM, P2, atoi(P3), TRUE);
							ReleaseBuffer(buffptr);
							return;
						}
					}
		
		
					if (_stricmp(Host, "CMS") == 0)
					{
						if (TCP->CMS == 0 || !TCP->CMSOK)
						{
							if (TCP->RELAYHOST[0] && TCP->FallbacktoRelay && STREAM->NoCMSFallback == 0)
							{
								STREAM->Connecting = TRUE;
								STREAM->ConnectionInfo->CMSSession = TRUE;
								STREAM->ConnectionInfo->RelaySession = TRUE;
								TCPConnect(TNC, TCP, STREAM, TCP->RELAYHOST, 8772, TRUE);
								ReleaseBuffer(buffptr);
								return;
							}
					
							buffptr->Len = sprintf(&buffptr->Data[0], "Error - CMS Not Available\r");
							C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
							STREAM->NeedDisc = 10;
							CheckCMS(TNC);

							return;
						}

						STREAM->Connecting = TRUE;
						STREAM->ConnectionInfo->CMSSession = TRUE;
						STREAM->ConnectionInfo->RelaySession = FALSE;
						CMSConnect(TNC, TCP, STREAM, Stream);
						ReleaseBuffer(buffptr);

						return;
					}

					// Outward Connect. 

					// Only Allow user specified host if Secure Session

					if (TCP->SecureTelnet)
					{						
						struct _TRANSPORTENTRY * Sess = TNC->PortRecord->ATTACHEDSESSIONS[sockptr->Number];

//						if (Sess && Sess->L4CROSSLINK)
//							Sess = Sess->L4CROSSLINK;

						if (Sess && !Sess->Secure_Session)
						{
							buffptr->Len = sprintf(&buffptr->Data[0], "Error - Telnet Outward Connect needs SYSOP Status\r");
							C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
							STREAM->NeedDisc = 10;
							return;
						}
					}
						
					Port = atoi(P2);

					if (Port)
					{
						int useFBBMode = TRUE;

						STREAM->Connecting = TRUE;
						STREAM->ConnectionInfo->CMSSession = FALSE;
						STREAM->ConnectionInfo->RelaySession = FALSE;

						if (_stricmp(P3, "TELNET") == 0)
						{
//							// FBB with CRLF
	
							STREAM->ConnectionInfo->NeedLF = TRUE;
						}
						else if (_stricmp(P3, "REALTELNET") == 0)
						{
//							// Telnet Mode with CRLF
		
							useFBBMode = FALSE;
							STREAM->ConnectionInfo->NeedLF = TRUE;
						}
						else
							STREAM->ConnectionInfo->NeedLF = FALSE;


						STREAM->ConnectionInfo->FBBMode = TRUE;

						if (_stricmp(P3, "NOCALL") == 0 || _stricmp(P4, "NOCALL") == 0 || _stricmp(P5, "NOCALL") == 0 || _stricmp(P6, "NOCALL") == 0)
						{
							STREAM->ConnectionInfo->NoCallsign = TRUE;
						}
						else
						{
							if (_stricmp(P3, "NEEDLF") == 0 || STREAM->ConnectionInfo->NeedLF)
							{
								// Send LF after each param

								if (P6[0])
									sprintf(STREAM->ConnectionInfo->Signon, "%s\r\n%s\r\n%s\r\n", P4, P5, P6);
								else
									if (P5[0])
										sprintf(STREAM->ConnectionInfo->Signon, "%s\r\n%s\r\n", P4, P5);
									else
										if (P4[0])
											sprintf(STREAM->ConnectionInfo->Signon, "%s\r\n", P4);
							}
							else
							{
								if (P5[0])
									sprintf(STREAM->ConnectionInfo->Signon, "%s\r%s\r%s\r", P3, P4, P5);
								else
									if (P4[0])
										sprintf(STREAM->ConnectionInfo->Signon, "%s\r%s\r", P3, P4);
									else
										if (P3[0])
											sprintf(STREAM->ConnectionInfo->Signon, "%s\r", P3);
							}
						}

						TCPConnect(TNC, TCP, STREAM, Host, Port, useFBBMode);
						ReleaseBuffer(buffptr);
						return;
					}
				}
	
				buffptr->Len = sprintf(&buffptr->Data[0], "Error - Invalid Command\r");
				C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
				STREAM->NeedDisc = 10;
				return;
			}
		}

		Msglen = sockptr->FromHostBuffPutptr - sockptr->FromHostBuffGetptr;

		if (Msglen)
		{
			int Paclen = 0;
			int Queued = 0;
			TRANSPORTENTRY * Sess1 = TNC->PortRecord->ATTACHEDSESSIONS[Stream];
			TRANSPORTENTRY * Sess2 = NULL;
			
			if (Sess1)
				Sess2 = Sess1->L4CROSSLINK;
			
			// Can't use TXCount - it is Semaphored=

			Queued = C_Q_COUNT(&TNC->Streams[Stream].PACTORtoBPQ_Q);
			Queued += C_Q_COUNT((UINT *)&TNC->PortRecord->PORTCONTROL.PORTRX_Q);

			if (Sess2)
				Queued += CountFramesQueuedOnSession(Sess2);

			if (Sess1)
				Queued += CountFramesQueuedOnSession(Sess1);

			if (Queued > 15)
				continue;

			if (Sess1)
				Paclen = Sess1->SESSPACLEN;

			if (Paclen == 0)
				Paclen = 256;

			ShowConnections(TNC);

			if (Msglen > Paclen)
				Msglen = Paclen;

			if (Sess1) Sess1->L4KILLTIMER = 0;
			if (Sess2) Sess2->L4KILLTIMER = 0;

			SendtoNode(TNC, Stream, &sockptr->FromHostBuffer[sockptr->FromHostBuffGetptr], Msglen);
			sockptr->FromHostBuffGetptr += Msglen;
			sockptr->LastSendTime = REALTIMETICKS;
		}
	}
}

#ifndef LINBPQ

LRESULT CALLBACK TelWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	int wmId, wmEvent;
	struct ConnectionInfo * sockptr;
	SOCKET sock;
	int i, n;
	struct TNCINFO * TNC;
	struct TCPINFO * TCP;
	struct _EXTPORTDATA * PortRecord;
	HWND SavehDlg, SaveCMS, SaveMonitor;
	HMENU SaveMenu1, SaveMenu2, SaveMenu3; 
	MINMAXINFO * mmi;

    LPMEASUREITEMSTRUCT lpmis;  // pointer to item of data             
	LPDRAWITEMSTRUCT lpdis;     // pointer to item drawing data

//	struct ConnectionInfo * ConnectionInfo;

	for (i=1; i <= MAXBPQPORTS; i++)
	{
		TNC = TNCInfo[i];
		if (TNC == NULL)
			continue;
		
		if (TNC->hDlg == hWnd)
			break;
	}

	if (TNC == NULL)
			return DefMDIChildProc(hWnd, message, wParam, lParam);

	switch (message)
	{
//	case WM_SIZING:
	case WM_SIZE:
	{
		RECT rcClient;
		int ClientHeight, ClientWidth;

		GetClientRect(TNC->hDlg, &rcClient); 

		ClientHeight = rcClient.bottom;
		ClientWidth = rcClient.right;

		MoveWindow(TNC->hMonitor, 0,20 ,ClientWidth-4, ClientHeight-25, TRUE);
		break;
	}

	case WM_GETMINMAXINFO:

 		mmi = (MINMAXINFO *)lParam;
		mmi->ptMaxSize.x = 400;
		mmi->ptMaxSize.y = 500;
		mmi->ptMaxTrackSize.x = 400;
		mmi->ptMaxTrackSize.y = 500;
		break;


	case WM_MDIACTIVATE:
	{			 
		// Set the system info menu when getting activated
			 
		if (lParam == (LPARAM) hWnd)
		{
			// Activate

			RemoveMenu(hBaseMenu, 1, MF_BYPOSITION);
			AppendMenu(hBaseMenu, MF_STRING + MF_POPUP, (UINT)hPopMenu, "Actions");
			SendMessage(ClientWnd, WM_MDISETMENU, (WPARAM) hBaseMenu, (LPARAM) hWndMenu);

		}
		else
		{
			 // Deactivate
	
			SendMessage(ClientWnd, WM_MDISETMENU, (WPARAM) hMainFrameMenu, (LPARAM) NULL);
		 }
			 
		// call DrawMenuBar after the menu items are set
		DrawMenuBar(FrameWnd);

		return TRUE; //DefMDIChildProc(hWnd, message, wParam, lParam);

	}

	case WM_SYSCOMMAND:

		wmId    = LOWORD(wParam);
		wmEvent = HIWORD(wParam);

		switch (wmId)
		{ 
		case SC_RESTORE:

			TNC->Minimized = FALSE;
			SendMessage(ClientWnd, WM_MDIRESTORE, (WPARAM)hWnd, 0);
			return DefMDIChildProc(hWnd, message, wParam, lParam);

		case  SC_MINIMIZE: 

			TNC->Minimized = TRUE;
			return DefMDIChildProc(hWnd, message, wParam, lParam);
		}
		
		return DefMDIChildProc(hWnd, message, wParam, lParam);

	case WM_COMMAND:
		wmId    = LOWORD(wParam);
		wmEvent = HIWORD(wParam);
		// Parse the menu selections:

		if (wmId > IDM_DISCONNECT && wmId < IDM_DISCONNECT+MaxSockets+1)
		{
			// disconnect user

			sockptr = TNC->Streams[wmId-IDM_DISCONNECT].ConnectionInfo;
		
			if (sockptr->SocketActive)
			{
				sock=sockptr->socket;

				send(sock,disMsg, (int)strlen(disMsg),0);

				Sleep (1000);
    
				shutdown(sock,2);

				DataSocket_Disconnect(TNC, sockptr);

				TNC->Streams[wmId-IDM_DISCONNECT].ReportDISC = TRUE;		//Tell Node

				return 0;
			}
		}

		switch (wmId)
		{
		case CMSENABLED:

			// Toggle CMS Enabled Flag

			TCP = TNC->TCPInfo;
			
			TCP->CMS = !TCP->CMS;
			CheckMenuItem(TCP->hActionMenu, 3, MF_BYPOSITION | TCP->CMS<<3);

			if (TCP->CMS)
				CheckCMS(TNC);
			else
			{
				TCP->CMSOK = FALSE;
				SetWindowText(TCP->hCMSWnd, "CMS Off"); 
			}
			break;

		case IDM_LOGGING:

			// Toggle Logging Flag

			LogEnabled = !LogEnabled;
			CheckMenuItem(TNC->TCPInfo->hLogMenu, 0, MF_BYPOSITION | LogEnabled<<3);

			break;

		case IDM_CMS_LOGGING:

			// Toggle Logging Flag

			LogEnabled = !LogEnabled;
			CheckMenuItem(TNC->TCPInfo->hLogMenu, 1, MF_BYPOSITION | CMSLogEnabled<<3);

			break;

		case TELNET_RECONFIG:

			if (!ProcessConfig())
			{ 
				Consoleprintf("Failed to reread config file - leaving config unchanged");
				break;
			}

			FreeConfig();

			for (n = 1; n <= TNC->TCPInfo->CurrentSockets; n++)
			{
				sockptr = TNC->Streams[n].ConnectionInfo;
				sockptr->SocketActive = FALSE;
				closesocket(sockptr->socket);
			}

			TCP = TNC->TCPInfo;

			shutdown(TCP->TCPSock, SD_BOTH);
			shutdown(TCP->sock6, SD_BOTH);

			n = 0;
			while (TCP->FBBsock[n])
				shutdown(TCP->FBBsock[n++], SD_BOTH);

			shutdown(TCP->Relaysock, SD_BOTH);
			shutdown(TCP->HTTPsock, SD_BOTH);
			shutdown(TCP->HTTPsock6, SD_BOTH);


			n = 0;
			while (TCP->FBBsock6[n])
				shutdown(TCP->FBBsock[n++], SD_BOTH);

			shutdown(TCP->Relaysock6, SD_BOTH);

			Sleep(500);
	
			closesocket(TCP->TCPSock);
			closesocket(TCP->sock6);

			n = 0;
			while (TCP->FBBsock[n])
				closesocket(TCP->FBBsock[n++]);

			n = 0;
			while (TCP->FBBsock6[n])
				closesocket(TCP->FBBsock6[n++]);

			closesocket(TCP->Relaysock);
			closesocket(TCP->Relaysock6);
			closesocket(TCP->HTTPsock);
			closesocket(TCP->HTTPsock6);

			// Save info from old TNC record
			
			n = TNC->Port;
			PortRecord = TNC->PortRecord;
			SavehDlg = TNC->hDlg;
			SaveCMS = TCP->hCMSWnd;
			SaveMonitor = TNC->hMonitor;
			SaveMenu1 = TCP->hActionMenu;
			SaveMenu2 = TCP->hDisMenu;
			SaveMenu3 = TCP->hLogMenu;

			// Free old TCP Session Stucts

			for (i = 0; i <= TNC->TCPInfo->MaxSessions; i++)
			{
				free(TNC->Streams[i].ConnectionInfo);
			}

			ReadConfigFile(TNC->Port, ProcessLine);

			TNC = TNCInfo[n];
			TNC->Port = n;
			TNC->Hardware = H_TELNET;
			TNC->hDlg = SavehDlg;
			TNC->RIG = &TNC->DummyRig;			// Not using Rig control, so use Dummy

			// Get Menu Handles

			TCP = TNC->TCPInfo;

			TCP->hCMSWnd = SaveCMS;
			TNC->hMonitor = SaveMonitor;
			TCP->hActionMenu = SaveMenu1;
			TCP->hDisMenu = SaveMenu2;
			TCP->hLogMenu = SaveMenu3;

			CheckMenuItem(TCP->hActionMenu, 3, MF_BYPOSITION | TNC->TCPInfo->CMS<<3);
			CheckMenuItem(TCP->hLogMenu, 0, MF_BYPOSITION | LogEnabled<<3);
			CheckMenuItem(TCP->hLogMenu, 1, MF_BYPOSITION | CMSLogEnabled<<3);

			// Malloc TCP Session Stucts

			for (i = 0; i <= TNC->TCPInfo->MaxSessions; i++)
			{			
				TNC->Streams[i].ConnectionInfo = zalloc(sizeof(struct ConnectionInfo));
				TNC->Streams[i].ConnectionInfo->Number = i;

				TCP->CurrentSockets = i;  //Record max used to save searching all entries

				if (i > 0)
					ModifyMenu(TCP->hDisMenu,i - 1 ,MF_BYPOSITION | MF_STRING,IDM_DISCONNECT + 1, ".");
			}

			TNC->PortRecord = PortRecord;

			Sleep(500);
			OpenSockets(TNC);
			OpenSockets6(TNC);
			SetupListenSet(TNC);
			CheckCMS(TNC);
			ShowConnections(TNC);

			break;
		default:
			return DefMDIChildProc(hWnd, message, wParam, lParam);
		}
		break;

 //   case WM_SIZE:

//		if (wParam == SIZE_MINIMIZED)
//		return (0);

	case WM_CTLCOLORDLG:
	
		return (LONG)bgBrush;


	case WM_CTLCOLORSTATIC:
	{
		HDC hdcStatic = (HDC)wParam;

		if (TNC->TCPInfo->hCMSWnd == (HWND)lParam)
		{
			if (TNC->TCPInfo->CMSOK)
				SetTextColor(hdcStatic, RGB(0, 128, 0));
			else
				SetTextColor(hdcStatic, RGB(255, 0, 0));
		}
	
		SetBkMode(hdcStatic, TRANSPARENT);
		return (LONG)bgBrush;
	}
	case WM_MEASUREITEM: 
 
		// Retrieve pointers to the menu item's 
		// MEASUREITEMSTRUCT structure and MYITEM structure. 
 
		lpmis = (LPMEASUREITEMSTRUCT) lParam;  
		lpmis->itemWidth = 300; 

		return TRUE; 

	case WM_DRAWITEM: 
 
            // Get pointers to the menu item's DRAWITEMSTRUCT 
            // structure and MYITEM structure. 
 
            lpdis = (LPDRAWITEMSTRUCT) lParam; 
 
            // If the user has selected the item, use the selected 
            // text and background colors to display the item.

			SetTextColor(lpdis->hDC, RGB(0, 128, 0));

			if (TNC->TCPInfo->CMS)
			{
				if (TNC->TCPInfo->CMSOK)
				  TextOut(lpdis->hDC, 340, lpdis->rcItem.top + 2, "CMS OK", 6);
				else
				{
					SetTextColor(lpdis->hDC, RGB(255, 0, 0));
					TextOut(lpdis->hDC, 340, lpdis->rcItem.top + 2, "NO CMS", 6);
				}
			}
			else
				TextOut(lpdis->hDC, 340, lpdis->rcItem.top + 2, "             ", 13);

            return TRUE; 

	case WM_DESTROY:

		break;
	}
			
	return DefMDIChildProc(hWnd, message, wParam, lParam);

}
#endif

int Socket_Accept(struct TNCINFO * TNC, SOCKET SocketId, int Port)
{
	int n, addrlen = sizeof(struct sockaddr_in6);
	struct sockaddr_in6 sin6;  

	struct ConnectionInfo * sockptr;
	SOCKET sock;
	char Negotiate[6]={IAC,WILL,suppressgoahead,IAC,WILL,echo};
//	char Negotiate[3]={IAC,WILL,echo};
	struct TCPINFO * TCP = TNC->TCPInfo;
	HMENU hDisMenu = TCP->hDisMenu;
	u_long param=1;

	// if for TriModeData Session, use the TriMode Control connection entry 

	if (SocketId == TCP->TriModeDataSock)
	{
		sockptr = TNC->TCPInfo->TriModeControlSession;
		sock = accept(SocketId, (struct sockaddr *)&sockptr->sin, &addrlen);
		sockptr->TriModeDataSock = sock;
		ioctl(sock, FIONBIO, &param);

		return 0;
	}

//   Find a free Session

	for (n = 1; n <= TCP->MaxSessions; n++)
	{
		sockptr = TNC->Streams[n].ConnectionInfo;
		
		if (sockptr->SocketActive == FALSE)
		{
			sock = accept(SocketId, (struct sockaddr *)&sockptr->sin, &addrlen);

			if (sock == INVALID_SOCKET)
			{
				Debugprintf("BPQ32 Telnet accept() failed Error %d", WSAGetLastError());
				return FALSE;
			}

			// Log, including port

			if (LogEnabled)
			{
				char Addr[256];
				char logmsg[512];
	
				Tel_Format_Addr(sockptr, Addr);
						
				sprintf(logmsg,"%d %s Incoming Connect on Port %d\n", sockptr->Number, Addr, Port);
				WriteLog (logmsg);
			}


				
//			Debugprintf("BPQ32 Telnet accept() Sock %d", sock);

			ioctl(sock, FIONBIO, &param);

			sockptr->socket = sock;
			sockptr->SocketActive = TRUE;
			sockptr->InputLen = 0;
			sockptr->Number = n;
			sockptr->LoginState = 0;
			sockptr->UserPointer = 0;
			sockptr->DoEcho = FALSE;
			sockptr->BPQTermMode = FALSE;
			sockptr->ConnectTime = time(NULL);
			sockptr->Keepalive = FALSE;
			sockptr->UTF8 = 0;

			TNC->Streams[n].BytesRXed = TNC->Streams[n].BytesTXed = 0;
			TNC->Streams[n].FramesQueued = 0;

			sockptr->HTTPMode = FALSE;	
			sockptr->APIMode = FALSE;	
			sockptr->SyncMode = FALSE;	
			sockptr->DRATSMode = FALSE;	
			sockptr->FBBMode = FALSE;	
			sockptr->RelayMode = FALSE;
			sockptr->ClientSession = FALSE;
			sockptr->NeedLF = FALSE;
			sockptr->TNC = TNC;
			sockptr->WebSocks = 0;

			if (sockptr->ADIF == NULL)
				sockptr->ADIF = malloc(sizeof(struct ADIF));

			memset(sockptr->ADIF, 0, sizeof(struct ADIF));

			if (SocketId == TCP->HTTPsock || SocketId == TCP->HTTPsock6)
				sockptr->HTTPMode = TRUE;

			if (SocketId == TCP->APIsock || SocketId == TCP->APIsock6)
			{
				sockptr->HTTPMode = TRUE;		// API is a type of HTTP socket
				sockptr->APIMode = TRUE;
			}
			else if (SocketId == TCP->Syncsock || SocketId == TCP->Syncsock6)
				sockptr->SyncMode = TRUE;
			else if (SocketId == TCP->DRATSsock || SocketId == TCP->DRATSsock6)
				sockptr->DRATSMode = TRUE;

			else if (SocketId == TCP->Relaysock || SocketId == TCP->Relaysock6)
			{
				sockptr->RelayMode = TRUE;
				sockptr->FBBMode = TRUE;
			}
			else if (SocketId == TCP->TriModeSock)
			{
				sockptr->TriMode = TRUE;
				sockptr->FBBMode = TRUE;
				TNC->TCPInfo->TriModeControlSession = sockptr;
				sockptr->TriModeConnected = FALSE;
				sockptr->TriModeDataSock = 0;
			}
			else if (SocketId != TCP->TCPSock && SocketId != TCP->sock6)				// We can have several listening FBB mode sockets
				sockptr->FBBMode = TRUE;
#ifndef LINBPQ
			ModifyMenu(hDisMenu, n - 1, MF_BYPOSITION | MF_STRING, IDM_DISCONNECT + n, ".");
			DrawMenuBar(TNC->hDlg);	
#endif
			ShowConnections(TNC);

			if (sockptr->HTTPMode)
				return 0;

			if (sockptr->DRATSMode)
			{
				send(sock, "100 Authentication not required\n", 33, 0);
				sockptr->LoginState = 2;
				return 0;
			}

			if (sockptr->SyncMode)
			{
				char MyCall[16] = "";
				char Hello[32];
				int Len;
				memcpy(MyCall, MYNODECALL, 10);
				strlop(MyCall, ' ');
				strlop(MyCall, '-');
				
				Len = sprintf(Hello, "POSYNCHELLO %s\r", MyCall);

				send(sock, Hello, Len, 0);
				return 0;
			}
			else
			if (sockptr->RelayMode)
			{
				send(sock,"\r\rCallsign :\r", 13,0);
			}
			else
			if (sockptr->TriMode)
			{
				// Trimode emulator Control Connection.

				sockptr->UserPointer  = &TriModeUser;


				send(sock,"CMD\r\n", 5,0);
				sockptr->LoginState = 5;
			}
			else
			if (sockptr->FBBMode == FALSE)
			{
				send(sock, Negotiate, 6, 0);
				send(sock, TCP->LoginMsg, (int)strlen(TCP->LoginMsg), 0);
			}

			if (sockptr->FromHostBuffer == 0)
			{
				sockptr->FromHostBuffer = malloc(10000);
				sockptr->FromHostBufferSize = 10000;
			}

			sockptr->FromHostBuffPutptr = sockptr->FromHostBuffGetptr = 0;

			return 0;
		}	
	}

	//	No free sessions. Must accept() then close

	sock = accept(SocketId, (struct sockaddr *)&sin6, &addrlen);

	send(sock,"No Free Sessions\r\n", 18,0);
	Debugprintf("No Free Telnet Sessions");

	Sleep (1000);
	closesocket(sock);

	return 0;
}

/*
int Socket_Data(struct TNCINFO * TNC, int sock, int error, int eventcode)
{
	int n;
	struct ConnectionInfo * sockptr;
	struct TCPINFO * TCP = TNC->TCPInfo;
	HMENU hDisMenu = TCP->hDisMenu;

	//	Find Connection Record

	for (n = 0; n <= TCP->CurrentSockets; n++)
	{
		sockptr = TNC->Streams[n].ConnectionInfo;
	
		if (sockptr->socket == sock && sockptr->SocketActive)
		{
#ifndef LINBPQ
			switch (eventcode)
			{
				case FD_READ:

					if (sockptr->RelayMode)
						return DataSocket_ReadRelay(TNC, sockptr, sock, &TNC->Streams[n]);

					if (sockptr->HTTPMode)
						return DataSocket_ReadHTTP(TNC, sockptr, sock, n);
					
					if (sockptr->FBBMode)
						return DataSocket_ReadFBB(TNC, sockptr, sock, n);
					else
						return DataSocket_Read(TNC, sockptr, sock, &TNC->Streams[n]);

				case FD_WRITE:

					return 0;

				case FD_OOB:

					return 0;

				case FD_ACCEPT:

					return 0;

				case FD_CONNECT:

					return 0;

				case FD_CLOSE:

					TNC->Streams[n].ReportDISC = TRUE;		//Tell Node
					DataSocket_Disconnect(TNC, sockptr);
					return 0;
				}
			return 0;
#endif	
		}

	}

	return 0;
}

*/
#define PACLEN 100

VOID SendtoNode(struct TNCINFO * TNC, int Stream, char * Msg, int MsgLen)
{
	PMSGWITHLEN buffptr = (PMSGWITHLEN)GetBuff();

	if (buffptr == NULL) 
		return;			// No buffers, so ignore

	if (TNC->Streams[Stream].Connected == 0)
	{
		// Connection Closed - Get Another

		struct ConnectionInfo * sockptr = TNC->Streams[Stream].ConnectionInfo;

		if (ProcessIncommingConnect(TNC, sockptr->Callsign, sockptr->Number, FALSE) == FALSE)
		{
			DataSocket_Disconnect(TNC, sockptr);      //' Tidy up
			return;
		}

		if (sockptr->UserPointer)
			TNC->PortRecord->ATTACHEDSESSIONS[sockptr->Number]->Secure_Session = sockptr->UserPointer->Secure;
	}
			
	buffptr->Len= MsgLen;				// Length
	
	memcpy(&buffptr->Data, Msg, MsgLen);
	
	C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
}

int InnerProcessData(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, struct STREAMINFO * STREAM, int len);


int DataSocket_Read(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, struct STREAMINFO * STREAM)
{
	int len=0, maxlen;
	char NLMsg[3]={13,10,0};
	byte * IACptr;
	BOOL wait;

	struct TCPINFO * TCP = TNC->TCPInfo;
	int SendIndex = 0;
	byte * TelCommand;
	int beforeIAC = 0;
	int rest = 0;

	ioctl(sock,FIONREAD,&len);

	maxlen = InputBufferLen - sockptr->InputLen;
	
	if (len > maxlen) len=maxlen;

	len = recv(sock, &sockptr->InputBuffer[sockptr->InputLen], len, 0);

	if (len == SOCKET_ERROR || len ==0)
	{
		// Failed or closed - clear connection

		TNC->Streams[sockptr->Number].ReportDISC = TRUE;		//Tell Node
		DataSocket_Disconnect(TNC, sockptr);
		return 0;
	}

	// If message contains Telnet Commands we should process the data in the buffer first
	// and not echo the commands!


	IACptr = memchr(sockptr->InputBuffer, IAC, sockptr->InputLen + len);

	if (IACptr)
	{
		beforeIAC = IACptr - sockptr->InputBuffer;
		rest = (sockptr->InputLen + len) - beforeIAC;
		
		if (beforeIAC)
		{
			TelCommand = malloc(rest);
			memcpy(TelCommand, IACptr, rest);
			InnerProcessData(TNC, sockptr, sock, STREAM, beforeIAC);

			// There may still be data in buffer, but it may be less than before
			// Put IAC and following into buffer

			memcpy(&sockptr->InputBuffer[sockptr->InputLen], TelCommand, rest);
			len -= sockptr->InputLen;
			free(TelCommand);
		}
	}

IACLoop:

	IACptr = memchr(sockptr->InputBuffer, IAC, sockptr->InputLen + len);

	if (IACptr)
	{
		// There still may be data in the buffer. 

		wait = ProcessTelnetCommand(sockptr, IACptr, &rest);

		if (wait)
		{
			// Need more.
			
			sockptr->InputLen += len;
			return 0;					// wait for more chars
		}

		// If ProcessTelnet Command returns FALSE, then it has removed the IAC and its
		// params from the buffer. There may still be more to process.
		
		if (rest == 0)
			return 0;	// Nothing Left

		memmove(&sockptr->InputBuffer[sockptr->InputLen], IACptr + len - rest, rest);
		len = rest;
	
		goto IACLoop;					// There may be more
	}

	return InnerProcessData(TNC, sockptr, sock, STREAM, len);
}


int InnerProcessData(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, struct STREAMINFO * STREAM, int len)
{
	int InputLen, MsgLen, i, n,charsAfter;
	char NLMsg[3]={13,10,0};
	byte * CRPtr;
	byte * LFPtr;
	byte * BSptr;
	byte * MsgPtr;
	char logmsg[1000];
	struct UserRec * USER;
	struct TCPINFO * TCP = TNC->TCPInfo;
	int SendIndex = 0;
			
	// echo data just read

	if (sockptr->DoEcho && sockptr->LoginState != 1)  // Password
		send(sockptr->socket,&sockptr->InputBuffer[sockptr->InputLen], len, 0);

	sockptr->InputLen += len;

	// look for backspaces in data just read
	
	BSptr = memchr(&sockptr->InputBuffer[0], 8, sockptr->InputLen);

	if (BSptr == NULL)
		BSptr = memchr(&sockptr->InputBuffer[0], 127, sockptr->InputLen);

    if (BSptr != 0)
	{
		// single char or BS as last is most likely, and worth treating as a special case

		int n;
		
		charsAfter = sockptr->InputLen - (int)((BSptr-&sockptr->InputBuffer[0])) - 1;

		if (charsAfter == 0)
		{
			sockptr->InputLen--;
			if (sockptr->InputLen > 0)
				sockptr->InputLen--; //Remove last char

			goto noBS;
		}
		// more than single char. Copy stuff after bs over char before

		memmove(BSptr-1, BSptr+1, charsAfter);

		n = sockptr->InputLen;
	
		sockptr->InputLen -= 2;		// drop bs and char before

		// see if more bs chars
BSCheck:
		BSptr = memchr(&sockptr->InputBuffer[0], 8, sockptr->InputLen);

		if (BSptr == NULL)
			BSptr = memchr(&sockptr->InputBuffer[0], 127, sockptr->InputLen);

		if (BSptr == NULL)
			goto noBS;

		charsAfter = sockptr->InputLen - (int)((BSptr-&sockptr->InputBuffer[0])) - 1;

		if (charsAfter == 0)
		{
			sockptr->InputLen--;		// Remove BS
			if (sockptr->InputLen > 0)
				sockptr->InputLen--; //Remove last char if not at start
			goto noBS;
		}

		memmove(BSptr-1, BSptr+1, charsAfter);
		sockptr->InputLen--;		// Remove BS
		if (sockptr->InputLen > 0) sockptr->InputLen--; //Remove last char if not at start

		goto BSCheck;					// may be more bs chars
	}

noBS:

	// Extract lines from input stream

	MsgPtr = &sockptr->InputBuffer[0];
	InputLen = sockptr->InputLen;

MsgLoop:

	// if in Client Mode, accept CR, CR Null, CR LF or LF, and replace with CR
	// Also send immediately to client - dont wait for complete lines

	if (sockptr->ClientSession)
	{
		int n = InputLen;
		char * ptr = MsgPtr;
		char * Start = MsgPtr;
		char c;
		int len = 0;
		char NodeLine[300];
		char * optr = NodeLine;

		while (n--)
		{
			c = *(ptr++);

			if (c == 0)
				// Ignore Nulls
				continue;

			len++;
			*(optr++) = c;

			if (c == 13)
			{
				// See if next is lf or null

				if (n)
				{
					// Some Left

					if ((*ptr) == 0 || *(ptr) == 10)
					{
						// skip next
						
						n--;
						ptr++;
					}
				}
			}
			else if (c == 10)
			{
				*(optr - 1) = 13;
			}							
			else
			{
				//  Normal Char

				if (len >= PACLEN)
				{
					BuffertoNode(sockptr, NodeLine, len); 
					optr = NodeLine;
					len = 0;
				}
			}
		}

		// All scanned - send anything outstanding

		if (len)
			BuffertoNode(sockptr, NodeLine, len);

		sockptr->InputLen = 0;
		ShowConnections(TNC);;

		return 0;
	}


	// Server Mode
	
	CRPtr=memchr(MsgPtr, 13, InputLen);

	if (CRPtr)
	{
		// Convert CR Null to CR LF

		LFPtr=memchr(MsgPtr, 0, InputLen);

		if (LFPtr && *(LFPtr - 1) == 13)		// Convert CR NULL to CR LF
		{
			*LFPtr = 10;						// Replace NULL with LF
			send(sockptr->socket, LFPtr, 1, 0);	// And echo it
		}
	}

	// could just have LF??
	
	LFPtr=memchr(MsgPtr, 10, InputLen);

	if (LFPtr == 0)
		if (CRPtr)
		{
			LFPtr = ++CRPtr;
			InputLen++;
		}
		if (LFPtr == 0)
	{
		// Check Paclen

		if (InputLen > PACLEN)
		{
			if (sockptr->LoginState != 2)		// Normal Data
			{
				// Long message received when waiting for user or password - just ignore

				sockptr->InputLen=0;

				return 0;
			}

			// Send to Node
    
			// Line could be up to 500 chars if coming from a program rather than an interative user
			// Limit send to node to 255

			while (InputLen > 255)
			{		
				SendtoNode(TNC, sockptr->Number, MsgPtr, 255);
				sockptr->InputLen -= 255;
				InputLen -= 255;

				memmove(MsgPtr,MsgPtr+255,InputLen);
			}
	           
			SendtoNode(TNC, sockptr->Number, MsgPtr, InputLen);

			sockptr->InputLen = 0;
		
		} // PACLEN

		return 0;	// No CR
	}
	
	// Got a LF

	// Process data up to the cr

	MsgLen = (int)(LFPtr-MsgPtr);	// Include the CR but not LF

	switch (sockptr->LoginState)
	{

	case 2:

		// Normal Data State
			
		STREAM->BytesRXed += MsgLen;
		SendIndex = 0;

		// Line could be up to 500 chars if coming from a program rather than an interative user
		// Limit send to node to 255. Should really use PACLEN instead of 255....

		while (MsgLen > 255)
		{		
			SendtoNode(TNC, sockptr->Number, MsgPtr + SendIndex, 255);
			SendIndex += 255;
			MsgLen -= 255;
		}

		SendtoNode(TNC, sockptr->Number, MsgPtr + SendIndex, MsgLen);
		
		MsgLen += SendIndex;

		// If anything left, copy down buffer, and go back

		InputLen=InputLen-MsgLen-1;

		sockptr->InputLen=InputLen;

		if (InputLen > 0)
		{
			memmove(MsgPtr,LFPtr+1,InputLen);

			goto MsgLoop;
		}

		return 0;

	case 0:
		
        //   Check Username
        //

		*(LFPtr-1)=0;				 // remove cr
        
  //      send(sock, NLMsg, 2, 0);

        if (LogEnabled)
		{
			char Addr[256];
			
			Tel_Format_Addr(sockptr, Addr);
			
			if (strlen(MsgPtr) > 64)
			{
				Debugprintf("Telnet Bad User Name %s", MsgPtr);
				MsgPtr[64] = 0;
			}

			sprintf(logmsg,"%d %s User=%s\n", sockptr->Number, Addr, MsgPtr);
			WriteLog (logmsg);
		}

		for (i = 0; i < TCP->NumberofUsers; i++)
		{
			USER = TCP->UserRecPtr[i];

			if (USER == NULL)
				continue;

			if (_stricmp(USER->UserName, "ANON") == 0)
			{
				// Anon Login - Callsign is supplied as user

				sockptr->UserPointer = USER;      //' Save pointer for checking password
                strcpy(sockptr->Callsign, _strupr(MsgPtr)); //' for *** linked
			}
			else if (strcmp(MsgPtr,USER->UserName) == 0)
			{
                sockptr->UserPointer = USER;      //' Save pointer for checking password
                strcpy(sockptr->Callsign, USER->Callsign); //' for *** linked
			}
			else
				continue;
                
			send(sock, TCP->PasswordMsg, (int)strlen(TCP->PasswordMsg),0);
                
			sockptr->Retries = 0;
                
			sockptr->LoginState = 1;
			sockptr->InputLen = 0;

			n=sockptr->Number;
#ifndef LINBPQ
			ModifyMenu(TCP->hDisMenu, n - 1, MF_BYPOSITION | MF_STRING, IDM_DISCONNECT + n, MsgPtr);
#endif
			ShowConnections(TNC);;
			return 0;
		}
        
        //   Not found
        
        
        if (sockptr->Retries++ == 4)
		{
            send(sock,AttemptsMsg,sizeof(AttemptsMsg),0);
            Sleep (1000);
            DataSocket_Disconnect(TNC, sockptr);       //' Tidy up
		}
		else
		{        
            send(sock, TCP->LoginMsg, (int)strlen(TCP->LoginMsg), 0);
            sockptr->InputLen=0;
		}

		return 0;
       
	case 1:
		   
		*(LFPtr-1)=0;				 // remove cr
        
        send(sock, NLMsg, 2, 0);	// Need to echo NL, as password is not echoed
    
        if (LogEnabled)
		{
			char Addr[256];
			
			Tel_Format_Addr(sockptr, Addr);
						
			if (strlen(MsgPtr) > 64)
			{
				Debugprintf("Telnet Bad Password %s", MsgPtr);
				MsgPtr[64] = 0;
			}


			sprintf(logmsg,"%d %s Password=%s\n", sockptr->Number, Addr, MsgPtr);
			WriteLog (logmsg);
		}

		if (strcmp(MsgPtr, sockptr->UserPointer->Password) == 0)		{
			char * ct = TCP->cfgCTEXT;
			char * Appl;
			int ctlen = (int)strlen(ct);

			if (ProcessIncommingConnect(TNC, sockptr->Callsign, sockptr->Number, FALSE) == FALSE)
			{
				DataSocket_Disconnect(TNC, sockptr);      //' Tidy up
				return 0;
			}

			TNC->PortRecord->ATTACHEDSESSIONS[sockptr->Number]->Secure_Session = sockptr->UserPointer->Secure;

            sockptr->LoginState = 2;
            sockptr->InputLen = 0;
            
            if (ctlen > 0)  send(sock, ct, ctlen, 0);

			STREAM->BytesTXed = ctlen;

            if (LogEnabled)
			{
				char Addr[100];
			
				Tel_Format_Addr(sockptr, Addr);
				sprintf(logmsg,"%d %s Call Accepted Callsign=%s\n", sockptr->Number, Addr, sockptr->Callsign);
				WriteLog (logmsg);
			}

			Appl = sockptr->UserPointer->Appl;
			
			if (Appl[0])
				SendtoNode(TNC, sockptr->Number, Appl, (int)strlen(Appl));

			ShowConnections(TNC);

            return 0;
		}

		// Bad Password
        
        if (sockptr->Retries++ == 4)
		{
			send(sock,AttemptsMsg, (int)strlen(AttemptsMsg),0);
            Sleep (1000);
            DataSocket_Disconnect (TNC, sockptr);      //' Tidy up
		}
		else
		{
			send(sock, TCP->PasswordMsg, (int)strlen(TCP->PasswordMsg), 0);
			sockptr->InputLen=0;
		}

		return 0;

	default:

		return 0;

	}

	return 0;
}

int DataSocket_ReadRelay(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, struct STREAMINFO * STREAM)
{
	int len=0, maxlen, InputLen, MsgLen, n;
	char NLMsg[3]={13,10,0};
	byte * LFPtr;
	byte * MsgPtr;
	char logmsg[256];
	char RelayMsg[] = "No CMS connection available - using local BPQMail\r";
	struct TCPINFO * TCP = TNC->TCPInfo;

	ioctl(sock,FIONREAD,&len);

	maxlen = InputBufferLen - sockptr->InputLen;
	
	if (len > maxlen) len=maxlen;

	len = recv(sock, &sockptr->InputBuffer[sockptr->InputLen], len, 0);


	if (len == SOCKET_ERROR || len ==0)
	{
		// Failed or closed - clear connection

		TNC->Streams[sockptr->Number].ReportDISC = TRUE;		//Tell Node
		DataSocket_Disconnect(TNC, sockptr);
		return 0;
	}

	sockptr->InputLen+=len;

	// Extract lines from input stream

	MsgPtr = &sockptr->InputBuffer[0];
	InputLen = sockptr->InputLen;

	STREAM->BytesRXed += InputLen;

	if (sockptr->LoginState == 2)
	{
		// Data. FBB is binary

		// Send to Node

		// Queue to Node. Data may arrive it large quatities, possibly exceeding node buffer capacity

		STREAM->BytesRXed += InputLen;

		if (sockptr->FromHostBuffPutptr + InputLen > sockptr->FromHostBufferSize)
		{
			if (InputLen > 10000)
				sockptr->FromHostBufferSize += InputLen;
			else
				sockptr->FromHostBufferSize += 10000;

			sockptr->FromHostBuffer = realloc(sockptr->FromHostBuffer, sockptr->FromHostBufferSize);
		}

		memcpy(&sockptr->FromHostBuffer[sockptr->FromHostBuffPutptr], MsgPtr, InputLen); 

		sockptr->FromHostBuffPutptr += InputLen;
		sockptr->InputLen = 0;

		return 0;
	}
/*	
		if (InputLen > 256)
		{		
			SendtoNode(TNC, sockptr->Number, MsgPtr, 256);
			sockptr->InputLen -= 256;

			InputLen -= 256;

			memmove(MsgPtr,MsgPtr+256,InputLen);

			goto MsgLoop;
		}
			
		SendtoNode(TNC, sockptr->Number, MsgPtr, InputLen);
		sockptr->InputLen = 0;

		return 0;
	}
*/	
	if (InputLen > 256)
	{
		// Long message received when waiting for user or password - just ignore

		sockptr->InputLen=0;

		return 0;
	}

	LFPtr=memchr(MsgPtr, 13, InputLen);
	
	if (LFPtr == 0)
		return 0;							// Waitr for more
	
	// Got a CR

	// Process data up to the cr

	MsgLen = (int)(LFPtr-MsgPtr);

	switch (sockptr->LoginState)
	{

	case 0:
		
        //   Check Username
        //

		*(LFPtr)=0;				 // remove cr

		if (*MsgPtr == '.')
			MsgPtr++;

		if (strlen(MsgPtr) == 0)
		{
			DataSocket_Disconnect(TNC, sockptr);       // Silently disconnect - should only be used for automatic systems
			return 0;
		}

        if (LogEnabled)
		{
			unsigned char work[4];
			memcpy(work, &sockptr->sin.sin_addr.s_addr, 4);
			sprintf(logmsg,"%d %d.%d.%d.%d User=%s\n",
					sockptr->Number,
					work[0], work[1], work[2], work[3],
					MsgPtr);

			WriteLog (logmsg);
		}

		strcpy(sockptr->Callsign, _strupr(MsgPtr));

		// Save callsign  for *** linked
                                            
		send(sock, "Password :\r", 11,0);
                
		sockptr->Retries = 0;
		sockptr->LoginState = 1;
        sockptr->InputLen = 0;

		n=sockptr->Number;
#ifndef LINBPQ
		ModifyMenu(TCP->hDisMenu, n - 1, MF_BYPOSITION | MF_STRING, IDM_DISCONNECT + n, MsgPtr);
#endif
		ShowConnections(TNC);;

        return 0;
	
       
	case 1:
		   
		*(LFPtr)=0;				 // remove cr

		if (strlen(MsgPtr) == 0)
		{
			DataSocket_Disconnect(TNC, sockptr);       // Silently disconnect - should only be used for automatic systems
			return 0;
		}
       
        if (LogEnabled)
		{
			unsigned char work[4];
			memcpy(work, &sockptr->sin.sin_addr.s_addr, 4);
			sprintf(logmsg,"%d %d.%d.%d.%d Password=%s\n",
					sockptr->Number,
					work[0], work[1], work[2], work[3],
					MsgPtr);

			WriteLog (logmsg);
		}

		if (strchr(MsgPtr, '$'))
		{
			// Special format Password for PAT Gateway Mode

			char * Port = strlop(MsgPtr, '$');
			char * Call;
			int PortNo;
			char ConMsg[80];

			if (Port)
			{
				Call = strlop(Port, '$');

				if (Call)
				{
					struct PORTCONTROL * PORT;

					PortNo = atoi(Port);
					PORT = GetPortTableEntryFromPortNum(PortNo);

					if (PORT == NULL || PORT->PROTOCOL < 10)
						sprintf(ConMsg, "C %s %s", Port, Call);
					else
						sprintf(ConMsg, "ATT %s %s", Port, Call);

				}

				if (ProcessIncommingConnect(TNC, sockptr->Callsign, sockptr->Number, FALSE) == 0)
				{
					DataSocket_Disconnect(TNC, sockptr);      //' Tidy up
					return 0;
				}

				sockptr->LoginState = 2;

				sockptr->InputLen = 0;

				if (LogEnabled)
				{
					unsigned char work[4];
					memcpy(work, &sockptr->sin.sin_addr.s_addr, 4);
					sprintf(logmsg,"%d %d.%d.%d.%d Gateway Connect Call=%s Command=%s\n",
					sockptr->Number,
					work[0], work[1], work[2], work[3],
					sockptr->Callsign,ConMsg);

					WriteLog (logmsg);
				}

				// Send Command to Node

				strcat(ConMsg, "\r");
				SendtoNode(TNC, sockptr->Number, ConMsg, (int)strlen(ConMsg));
			}

			return 0;
		}

		sockptr->UserPointer  = &RelayUser;

		if (ProcessIncommingConnectEx(TNC, sockptr->Callsign, sockptr->Number, FALSE, TRUE) == 0)
		{
			DataSocket_Disconnect(TNC, sockptr);      //' Tidy up
			return 0;
		}

		if (TCP->FallbacktoRelay)
			send(sock, RelayMsg, (int)strlen(RelayMsg), 0);

		sockptr->LoginState = 2;

		sockptr->InputLen = 0;

		if (LogEnabled)
		{
			unsigned char work[4];
			memcpy(work, &sockptr->sin.sin_addr.s_addr, 4);
			sprintf(logmsg,"%d %d.%d.%d.%d Call Accepted Callsign =%s\n",
					sockptr->Number,
					work[0], work[1], work[2], work[3],
					sockptr->Callsign);

			WriteLog (logmsg);
		}

		ShowConnections(TNC);

		sockptr->InputLen = 0;

		// Connect to the BBS

		SendtoNode(TNC, sockptr->Number, TCP->RelayAPPL, (int)strlen(TCP->RelayAPPL));

		ShowConnections(TNC);;
	
		return 0;
	
	default:

		return 0;

	}

	return 0;
}
#define ZEXPORT WINAPI

#include "zlib.h"

int DataSocket_ReadSync(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, int Stream)
{
	int len=0, maxlen, InputLen;
	byte * MsgPtr;
	struct TCPINFO * TCP = TNC->TCPInfo;
	struct STREAMINFO * STREAM = &TNC->Streams[Stream];
	TRANSPORTENTRY * Sess1 = TNC->PortRecord->ATTACHEDSESSIONS[Stream];
	TRANSPORTENTRY * Sess2 = NULL;

	ioctl(sock,FIONREAD,&len);

	maxlen = InputBufferLen - sockptr->InputLen;
	
	if (len > maxlen) len = maxlen;

	len = recv(sock, &sockptr->InputBuffer[sockptr->InputLen], len, 0);

	if (len == SOCKET_ERROR || len == 0)
	{
		// Failed or closed - clear connection

		TNC->Streams[sockptr->Number].ReportDISC = TRUE;		//Tell Node
		DataSocket_Disconnect(TNC, sockptr);
		return 0;
	}

	sockptr->InputLen+=len;
	MsgPtr = &sockptr->InputBuffer[0];
	InputLen = sockptr->InputLen;
	MsgPtr[InputLen] = 0;

	STREAM->BytesRXed += InputLen;

	if (sockptr->LoginState == 0)			// Initial connection
	{
		// First Message should be POSYNCLOGON CALL

		// Extract the callsign

		char * call = strlop(MsgPtr, ' ');

		if (call == NULL || strcmp(MsgPtr, "POSYNCLOGON") !=0)
		{
			DataSocket_Disconnect(TNC, sockptr);       //' Tidy up
			return 0;
		}

		strcpy(sockptr->Callsign, call);

		call --;
		*(call) = ' ';

		sockptr->UserPointer  = &SyncUser;

		SendtoNode(TNC, sockptr->Number, TCP->SyncAPPL, (int)strlen(TCP->SyncAPPL));
		BuffertoNode(sockptr, MsgPtr, InputLen);
		STREAM->RelaySyncStream = 1;
		sockptr->LoginState = 2;

		ShowConnections(TNC);
		return 0;
	}

	// Queue to Node. Data may arrive in large quantities, possibly exceeding node buffer capacity

	BuffertoNode(sockptr, MsgPtr, InputLen); 
	sockptr->InputLen = 0;

	return 0;
}



int DataSocket_ReadFBB(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, int Stream)
{
	int len=0, maxlen, InputLen, MsgLen, i, n;
	char NLMsg[3]={13,10,0};
	byte * CRPtr;
	byte * MsgPtr;
	char logmsg[1000];
	struct UserRec * USER;
	struct TCPINFO * TCP = TNC->TCPInfo;
	struct STREAMINFO * STREAM = &TNC->Streams[Stream];
	TRANSPORTENTRY * Sess1 = TNC->PortRecord->ATTACHEDSESSIONS[Stream];
	TRANSPORTENTRY * Sess2 = NULL;
	
	ioctl(sock,FIONREAD,&len);

	maxlen = InputBufferLen - sockptr->InputLen;
	
	if (len > maxlen) len = maxlen;

	len = recv(sock, &sockptr->InputBuffer[sockptr->InputLen], len, 0);

	if (len == SOCKET_ERROR || len == 0)
	{
		// Failed or closed - clear connection

		TNC->Streams[sockptr->Number].ReportDISC = TRUE;		//Tell Node
		DataSocket_Disconnect(TNC, sockptr);
		return 0;
	}

	sockptr->InputLen+=len;

	// Extract lines from input stream

	MsgPtr = &sockptr->InputBuffer[0];
	InputLen = sockptr->InputLen;
	MsgPtr[InputLen] = 0;

	if (sockptr->LoginState == 0)
	{
		// Look for FLMSG Header

		if (InputLen > 10 && memcmp(MsgPtr, "... start\n", 10) == 0)
		{
			MsgPtr[9] = 13;				// Convert to CR
			sockptr->LoginState = 2;		// Set Logged in

			SendtoNode(TNC, Stream, "..FLMSG\r", 8);	// Dummy command to command handler

		}
	}

MsgLoop:

	if (sockptr->LoginState == 2)
	{
		// Data. FBB is binary

		int Paclen = 0;

		if (TNC->PortRecord->ATTACHEDSESSIONS[Stream])
			Paclen = TNC->PortRecord->ATTACHEDSESSIONS[Stream]->SESSPACLEN;

//		if (Paclen == 0)
			Paclen = 256;

		if (sockptr->BPQTermMode)
		{
			if (memcmp(MsgPtr, "\\\\\\\\", 4) == 0)
			{
				// Monitor Control

				int P8 = 0;
				
				int n = sscanf(&MsgPtr[4], "%llx %x %x %x %x %x %x %x",
					&sockptr->MMASK, &sockptr->MTX, &sockptr->MCOM, &sockptr->MonitorNODES,
					&sockptr->MonitorColour, &sockptr->MUIOnly, &sockptr->UTF8, &P8);

				if (n == 5)
					sockptr->MUIOnly = sockptr->UTF8 = 0;

				if (n == 6)
					sockptr->UTF8 = 0;

				if (P8 == 1)
					SendPortsForMonitor(sock, sockptr->UserPointer->Secure);
					sockptr->InputLen = 0;
				return 0;
			}
		}

		if (sockptr->UserPointer == &CMSUser)
		{
			WritetoTrace(Stream, MsgPtr, InputLen, sockptr->ADIF, 'R');
		}

		if (InputLen == 8 && memcmp(MsgPtr, ";;;;;;\r\n", 8) == 0)
		{
			//	CMS Keepalive

			sockptr->InputLen = 0;
			return 0;
		}

		// Queue to Node. Data may arrive it large quantities, possibly exceeding node buffer capacity

		STREAM->BytesRXed += InputLen;
		BuffertoNode(sockptr, MsgPtr, InputLen); 
		sockptr->InputLen = 0;

		return 0;
	}
	
	if (InputLen > 256)
	{
		// Long message received when waiting for user or password - just ignore

		sockptr->InputLen=0;

		return 0;
	}
	
	if (MsgPtr[0] == 10)			// LF
	{
		// Remove the LF

		InputLen--;
		sockptr->InputLen--;

		memmove(MsgPtr, MsgPtr+1, InputLen);
	}

	CRPtr = memchr(MsgPtr, 13, InputLen);
	
	if (CRPtr == 0)
		return 0;							// Waitr for more
	
	// Got a CR

	// Process data up to the cr

	MsgLen = (int)(CRPtr - MsgPtr);

	if (MsgLen == 0)						// Just CR
	{
		MsgPtr++;							// Skip it
		InputLen--;
		sockptr->InputLen--;
		goto MsgLoop;
	}


	switch (sockptr->LoginState)
	{
	case 5:

		// Trimode Emulator Command

		*CRPtr = 0;

		ProcessTrimodeCommand(TNC, sockptr, MsgPtr);

		MsgLen++;

		InputLen -= MsgLen;
		
		memmove(MsgPtr, MsgPtr+MsgLen, InputLen);
		sockptr->InputLen = InputLen ;
		MsgPtr[InputLen] = 0;


		goto MsgLoop;

	case 3:

		// CMS Signon
		
		strlop(MsgPtr, 13);

		sprintf(logmsg,"%d %s\r\n", Stream, MsgPtr);
		WriteCMSLog (logmsg);

		if (strstr(MsgPtr, "Callsign :")) 
		{
			char Msg[80];
			int Len;

			if (sockptr->LogonSent)
			{
				sockptr->InputLen=0;
				return TRUE;
			}

			sockptr->LogonSent = TRUE;

			if (TCP->SecureCMSPassword[0] && sockptr->RelaySession == 0)
				Len = sprintf(Msg, "%s %s\r", TNC->Streams[sockptr->Number].MyCall, TCP->GatewayCall);			
			else
				Len = sprintf(Msg, "%s\r", TNC->Streams[sockptr->Number].MyCall);	

			if (sockptr->ADIF == NULL)
			{
				sockptr->ADIF = malloc(sizeof(struct ADIF));
				memset(sockptr->ADIF, 0, sizeof(struct ADIF));
			}

			strcpy(sockptr->ADIF->CMSCall, TCP->GatewayCall);
			
			send(sock, Msg, Len, 0);
			sprintf(logmsg,"%d %s\n", Stream, Msg);
			WriteCMSLog (logmsg);

			sockptr->InputLen=0;

			return TRUE;
		}
		if (memcmp(MsgPtr, ";SQ: ", 5) == 0)
		{
			// Secure CMS challenge

			char Msg[80];
			int Len;
			int Response = GetCMSHash(&MsgPtr[5], TCP->SecureCMSPassword);
			char RespString[12];
			long long Freq = 0;
			int Mode = 0;
			ADIF * ADIF = sockptr->ADIF;

			strcat(MsgPtr,"<cr>");
			UpdateADIFRecord(ADIF, MsgPtr, 'R');

			if (Sess1)
			{
				Sess2 = Sess1->L4CROSSLINK;

				if (Sess2)
				{
					// if Session has report info, use it

					if (Sess2->Mode)
					{
						ADIF->Freq = Freq = Sess2->Frequency;
						ADIF->Mode = Mode = Sess2->Mode;
					}
					else
					{
						// See if L2 session - if so, get info from WL2K report line

						if (Sess2->L4CIRCUITTYPE & L2LINK)
						{
							LINKTABLE * LINK = Sess2->L4TARGET.LINK;
							PORTCONTROLX * PORT = LINK->LINKPORT;
						
							ADIF->Freq = Freq = PORT->WL2KInfo.Freq;
							ADIF->Mode = Mode = PORT->WL2KInfo.mode;
						}
						else
						{
							if (Sess2->RMSCall[0])
							{
								ADIF->Freq = Freq = Sess2->Frequency;
								ADIF->Mode = Mode = Sess2->Mode;
							}
						}
					}
				}
			}

			sprintf(RespString, "%010d", Response);

			Len = sprintf(Msg, ";SR: %s %lld %d\r", &RespString[2], Freq, Mode);			
			
			send(sock, Msg, Len,0);
			sprintf(logmsg,"%d %s\n", Stream, Msg);
			WriteCMSLog (logmsg);

			strcat(Msg,"<cr>");
			UpdateADIFRecord(ADIF, Msg, 'S');

			sockptr->InputLen=0;
			sockptr->LoginState = 2;		// Data
			sockptr->LogonSent = FALSE;

			return TRUE;
		}

		if (strstr(MsgPtr, "Password :")) 
		{
			// Send <20>CMSTelnet<65> + gateway callsign + frequency + emission type if info is available

			TRANSPORTENTRY * Sess1 = TNC->PortRecord->ATTACHEDSESSIONS[Stream];
			TRANSPORTENTRY * Sess2 = NULL;
			char Passline[80] = "CMSTELNET\r";
			int len = 10;
			ADIF * ADIF = sockptr->ADIF;


			if (Sess1)
			{
				Sess2 = Sess1->L4CROSSLINK;

				if (Sess2)
				{
					// if Session has report info, use it

					if (Sess2->Mode)
					{
						ADIF->Freq = Sess2->Frequency;
						ADIF->Mode = Sess2->Mode;
					}
					else
					{
						// See if L2 session - if so, get info from WL2K report line

						if (Sess2->L4CIRCUITTYPE & L2LINK)
						{
							LINKTABLE * LINK = Sess2->L4TARGET.LINK;
							PORTCONTROLX * PORT = LINK->LINKPORT;

							if (PORT->WL2KInfo.Freq)
							{
								len = sprintf(Passline, "CMSTELNET %s %lld %d\r", PORT->WL2KInfo.RMSCall, PORT->WL2KInfo.Freq, PORT->WL2KInfo.mode);
								ADIF->Freq = PORT->WL2KInfo.Freq;
								ADIF->Mode = PORT->WL2KInfo.mode;
							}
						}
						else
						{
							if (Sess2->RMSCall[0])
							{
								len = sprintf(Passline, "CMSTELNET %s %lld %d\r", Sess2->RMSCall, Sess2->Frequency, Sess2->Mode);
								ADIF->Mode = Sess2->Frequency;
								ADIF->Mode = Sess2->Mode;
							}
						}
					}
				}
			}
			send(sock, Passline, len, 0);
			sockptr->LoginState = 2;		// Data
			sockptr->InputLen=0;
			sockptr->LogonSent = FALSE;

			if (CMSLogEnabled)
			{
				char logmsg[120];
				sprintf(logmsg,"%d %s\r\n", sockptr->Number, Passline);
				WriteCMSLog (logmsg);
			}

			return TRUE;
		}

		return TRUE;

	case 0:
		
        //   Check Username
        //

		*(CRPtr)=0;				 // remove cr
        
        if (LogEnabled)
		{
			char Addr[256];		
			Tel_Format_Addr(sockptr, Addr);
						
			if (strlen(MsgPtr) > 64)
			{
				Debugprintf("Telnet Bad User Name %s", MsgPtr);
				MsgPtr[64] = 0;
			}

			sprintf(logmsg,"%d %s User=%s\n", sockptr->Number, Addr, MsgPtr);
			WriteLog (logmsg);
		}
		for (i = 0; i < TCP->NumberofUsers; i++)
		{
			USER = TCP->UserRecPtr[i];

			if (USER == NULL)
				continue;

			if (_stricmp(USER->UserName, "ANON") == 0)
			{
				// Anon Login - Callsign is supplied as user

				sockptr->UserPointer = USER;      //' Save pointer for checking password
                strcpy(sockptr->Callsign, _strupr(MsgPtr)); //' for *** linked
			}
			else if (strcmp(MsgPtr,USER->UserName) == 0)
			{
				sockptr->UserPointer = USER;      //' Save pointer for checking password
                strcpy(sockptr->Callsign, USER->Callsign); //' for *** linked
            
			}
			else
				continue;

			sockptr->Retries = 0;
                
			sockptr->LoginState = 1;
			sockptr->InputLen = 0;

			n=sockptr->Number;

#ifndef LINBPQ
			ModifyMenu(TCP->hDisMenu, n - 1, MF_BYPOSITION | MF_STRING, IDM_DISCONNECT + n, MsgPtr);
#endif

			ShowConnections(TNC);;

			InputLen=InputLen-(MsgLen+1);

			sockptr->InputLen=InputLen;
				
			if (InputLen > 0)
			{
				memmove(MsgPtr, CRPtr+1, InputLen);
				goto MsgLoop;
			}

			return 0;
		}

        //   User Not found
        
        if (sockptr->Retries++ == 4)
		{
            send(sock,AttemptsMsg,sizeof(AttemptsMsg),0);
            Sleep (1000);
            DataSocket_Disconnect(TNC, sockptr);       //' Tidy up
		}
		else
		{        
            send(sock, TCP->LoginMsg, (int)strlen(TCP->LoginMsg), 0);
            sockptr->InputLen=0;

		}

		return 0;

	case 1:
		   
		*(CRPtr)=0;				 // remove cr
            
        if (LogEnabled)
		{
			char Addr[256];
			Tel_Format_Addr(sockptr, Addr);
						
			if (strlen(MsgPtr) > 64)
			{
				Debugprintf("Telnet Bad Password %s", MsgPtr);
				MsgPtr[64] = 0;
			}

			sprintf(logmsg,"%d %s Password=%s\n", sockptr->Number, Addr, MsgPtr);
			WriteLog (logmsg);
		}
		if (strcmp(MsgPtr, sockptr->UserPointer->Password) == 0)
		{
			char * Appl;

			if (ProcessIncommingConnect(TNC, sockptr->Callsign, sockptr->Number, FALSE) == FALSE)
			{
				DataSocket_Disconnect(TNC, sockptr);      //' Tidy up
				return 0;
			}
		
			TNC->PortRecord->ATTACHEDSESSIONS[sockptr->Number]->Secure_Session = sockptr->UserPointer->Secure;

            sockptr->LoginState = 2;
            
            sockptr->InputLen = 0;
            
            if (LogEnabled)
			{
				char Addr[100];
				Tel_Format_Addr(sockptr, Addr);
				sprintf(logmsg,"%d %s Call Accepted. Callsign=%s\n",
				sockptr->Number, Addr,sockptr->Callsign);

				WriteLog (logmsg);
			}

			ShowConnections(TNC);;
			InputLen=InputLen-(MsgLen+1);

			sockptr->InputLen=InputLen;

			// What is left is the Command to connect to the BBS

			if (InputLen > 1)
			{
				if (*(CRPtr+1) == 10)
				{
					CRPtr++;
					InputLen--;
				}

				memmove(MsgPtr, CRPtr+1, InputLen);

				if (_memicmp(MsgPtr, "BPQTermTCP", 10) == 0)
				{
					send(sock, "Connected to TelnetServer\r", 26, 0);
					sockptr->BPQTermMode = TRUE;
					sockptr->MMASK = 0;				// Make sure defaults to off
					sockptr->InputLen -= 11;

					if (sockptr->InputLen)
					{
						// Monitor control info may arrive in same packet

						int P8 = 0;
						
						memmove(MsgPtr, &MsgPtr[11], InputLen);
						if (memcmp(MsgPtr, "\\\\\\\\", 4) == 0)
						{
							// Monitor Control

							int n = sscanf(&MsgPtr[4], "%llx %x %x %x %x %x %x %x",
								&sockptr->MMASK, &sockptr->MTX, &sockptr->MCOM, &sockptr->MonitorNODES,
								&sockptr->MonitorColour, &sockptr->MUIOnly, &sockptr->UTF8, &P8);

							if (n == 5)
								sockptr->MUIOnly = sockptr->UTF8 = 0;

							if (n == 6)
								sockptr->UTF8 = 0;

							if (P8 == 1)
								SendPortsForMonitor(sock, sockptr->UserPointer->Secure);


							sockptr->InputLen = 0;
						}
					}
				}
				else
				{
					MsgPtr[InputLen] = 13;
					SendtoNode(TNC, sockptr->Number, MsgPtr, InputLen+1);
				}
				sockptr->InputLen = 0;
			}

			Appl = sockptr->UserPointer->Appl;
			
			if (Appl[0])
				SendtoNode(TNC, sockptr->Number, Appl, (int)strlen(Appl));

			return 0;
		}
		// Bad Password
        
        if (sockptr->Retries++ == 4)
		{
			send(sock,AttemptsMsg, (int)strlen(AttemptsMsg),0);
            Sleep (1000);
            DataSocket_Disconnect(TNC, sockptr);      //' Tidy up
		}
		else
		{
			send(sock, TCP->PasswordMsg, (int)strlen(TCP->PasswordMsg), 0);
			sockptr->InputLen=0;
		}

		return 0;

	default:

		return 0;
	}
	return 0;
}

extern char * RigWebPage;

int DataSocket_ReadHTTP(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, int Stream)
{
	int w =1, x= 1, len=0, y = 2, maxlen, InputLen, ret;
	char NLMsg[3]={13,10,0};
	UCHAR * MsgPtr;
	UCHAR * CRLFCRLF;
	UCHAR * LenPtr;
	int BodyLen, ContentLen;
	struct ConnectionInfo * sockcopy;
	
	ret = ioctl(sock,FIONREAD,&w);

	maxlen = InputBufferLen - sockptr->InputLen;
	
	if (w > maxlen) w = maxlen;

	len = recv(sock, &sockptr->InputBuffer[sockptr->InputLen], w, 0);

	if (len == SOCKET_ERROR || len == 0)
	{
		// Failed or closed - clear connection

		TNC->Streams[sockptr->Number].ReportDISC = TRUE;		//Tell Node
		DataSocket_Disconnect(TNC, sockptr);
		return 0;
	}

	MsgPtr = &sockptr->InputBuffer[0];
	sockptr->InputLen += len;
	InputLen = sockptr->InputLen;

	MsgPtr[InputLen] = 0;

	if (sockptr->WebSocks)
	{
		// Websocks message

		int i, j;
		int Fin, Opcode, Len, Mask;
		char MaskingKey[4];
		char * ptr;

		/*
		 +-+-+-+-+-------+-+-------------+-------------------------------+
     |F|R|R|R| opcode|M| Payload len |    Extended payload length    |
     |I|S|S|S|  (4)  |A|     (7)     |             (16/64)           |
     |N|V|V|V|       |S|             |   (if payload len==126/127)   |
     | |1|2|3|       |K|             |                               |
     +-+-+-+-+-------+-+-------------+ - - - - - - - - - - - - - - - +
     |     Extended payload length continued, if payload len == 127  |
     + - - - - - - - - - - - - - - - +-------------------------------+
     |                               |Masking-key, if MASK set to 1  |
     +-------------------------------+-------------------------------+
     | Masking-key (continued)       |          Payload Data         |
     +-------------------------------- - - - - - - - - - - - - - - - +
     :                     Payload Data continued ...                :

	  Octet i of the transformed data ("transformed-octet-i") is the XOR of
   octet i of the original data ("original-octet-i") with octet at index
   i modulo 4 of the masking key ("masking-key-octet-j"):

     j                   = i MOD 4
     transformed-octet-i = original-octet-i XOR masking-key-octet-j
*/
		Fin = MsgPtr[0] >> 7;
		Opcode = MsgPtr[0] & 15;
		Mask = MsgPtr[1] >> 7;
		Len = MsgPtr[1] & 127;
		memcpy(MaskingKey, &MsgPtr[2], 4);
		ptr = &MsgPtr[6];

		for (i = 0; i < Len; i++)
		{
			j = i & 3;

			*ptr = *ptr ^ MaskingKey[j];
			ptr++;
		}

		if (Opcode == 8)
		{
			Debugprintf("WebSock Close");
		}
		else if (Opcode == 1)
		{
			if (strcmp(sockptr->WebURL, "RIGCTL") == 0)
			{
				// PTT Message

				char RigCMD[64];
				
				sprintf(RigCMD, "%s PTT", &MsgPtr[6]);
				Rig_Command( (TRANSPORTENTRY *) -1, RigCMD);
			}
			else if (memcmp(sockptr->WebURL, "WMRefresh", 9) == 0)
			{
				sockcopy = malloc(sizeof(struct ConnectionInfo));
				sockptr->TNC = TNC;
				sockptr->LastSendTime = REALTIMETICKS;

				memcpy(sockcopy, sockptr, sizeof(struct ConnectionInfo));

				_beginthread(ProcessWebmailWebSockThread, 2048000, (VOID *)sockcopy);				// Needs big stack
				return 0;
			}
		}
		else
			Debugprintf("WebSock Opcode %d Msg %s", Opcode, &MsgPtr[6]);

		sockptr->InputLen = 0;
		return 0;
	}

	// Make sure request is complete - should end crlfcrlf, and if a post have the required input message


	CRLFCRLF = strstr(MsgPtr, "\r\n\r\n");

	if (CRLFCRLF == 0)
		return 0;

	LenPtr = strstr(MsgPtr, "Content-Length:");

	if (LenPtr)
	{
		ContentLen = atoi(LenPtr + 15);
		BodyLen = InputLen - (int)((CRLFCRLF + 4 - MsgPtr));

		if (BodyLen < ContentLen)
			return 0;
	}

	sockcopy = malloc(sizeof(struct ConnectionInfo));
	sockptr->TNC = TNC;
	sockptr->LastSendTime = REALTIMETICKS;

	memcpy(sockcopy, sockptr, sizeof(struct ConnectionInfo));

	if(strstr(MsgPtr, "Upgrade: websocket"))
	{
		int LOCAL = 0, COOKIE = 0;
		char * HostPtr;
		char * ptr;

		sockptr->WebSocks = 1;
		ShowConnections(TNC);

		memcpy(sockptr->WebURL, &MsgPtr[5], 31);
		strlop(sockptr->WebURL, ' ');
		if (RigWebPage)
			RigWebPage[0] = 0;

		HostPtr = strstr(MsgPtr, "Host: ");

		if (HostPtr)
		{
			uint32_t Host;
			char Hostname[32]= "";
			struct LOCALNET * LocalNet = sockptr->TNC->TCPInfo->LocalNets;

			HostPtr += 6;
			memcpy(Hostname, HostPtr, 31);
			strlop(Hostname, ':');
			Host = inet_addr(Hostname);

			if (strcmp(Hostname, "127.0.0.1") == 0)
				LOCAL = TRUE;
			else
			{
				if (sockptr->sin.sin_family != AF_INET6)
				{
					while(LocalNet)
					{
						uint32_t MaskedHost = sockptr->sin.sin_addr.s_addr & LocalNet->Mask;
						if (MaskedHost == LocalNet->Network)
						{				
							LOCAL = 1;
							break;
						}
						LocalNet = LocalNet->Next;
					}
				}

				ptr = strstr(MsgPtr, "BPQSessionCookie=N");

				if (ptr)
					COOKIE = TRUE;
			}
			sockptr->WebSecure = LOCAL | COOKIE;
		}
	}


	_beginthread(ProcessHTTPMessage, 2048000, (VOID *)sockcopy);				// Needs big stack

	sockptr->InputLen = 0;
	return 0;
}

int DataSocket_ReadDRATS(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, int Stream)
{
	int len=0, maxlen;
	
	ioctl(sock,FIONREAD,&len);

	maxlen = InputBufferLen - sockptr->InputLen;
	
	if (len > maxlen) len = maxlen;

	len = recv(sock, &sockptr->InputBuffer[sockptr->InputLen], len, 0);

	if (len == SOCKET_ERROR || len == 0)
	{
		// Failed or closed - clear connection

		DRATSConnectionLost(sockptr);
		DataSocket_Disconnect(TNC, sockptr);	
		return 0;
	}

	// Make sure request is complete - should end [EOB]

	processDRATSFrame(&sockptr->InputBuffer[sockptr->InputLen], len, sockptr);
	return 0;
}


int DataSocket_Disconnect(struct TNCINFO * TNC,  struct ConnectionInfo * sockptr)
{
	int n;

	if (sockptr->SocketActive)
	{
		if (sockptr->socket)
			closesocket(sockptr->socket);

		n = sockptr->Number;
#ifndef LINBPQ
		ModifyMenu(TNC->TCPInfo->hDisMenu, n - 1, MF_BYPOSITION | MF_STRING, IDM_DISCONNECT + n, ".");
#endif
		sockptr->SocketActive = FALSE;
		ShowConnections(TNC);;
	}
	return 0;
}

int ShowConnections(struct TNCINFO * TNC)
{
#ifndef LINBPQ
	char msg[80];
	struct ConnectionInfo * sockptr;
	int i,n;

	SendMessage(TNC->hMonitor,LB_RESETCONTENT,0,0);

	for (n = 1; n <= TNC->TCPInfo->CurrentSockets; n++)
	{
		sockptr=TNC->Streams[n].ConnectionInfo;

		if (!sockptr->SocketActive)
		{
			strcpy(msg,"Idle");
		}
		else
		{
			if (sockptr->UserPointer == 0)
			{
				if (sockptr->HTTPMode)
				{
					char Addr[100];
					Tel_Format_Addr(sockptr, Addr);
				
					if (sockptr->WebSocks)
						sprintf(msg, "Websock From %s", Addr);
					else
						sprintf(msg, "HTTP From %s", Addr);
				}
				else if (sockptr->DRATSMode)
				{
					char Addr[100];
					Tel_Format_Addr(sockptr, Addr);
					sprintf(msg, "DRATS From %s", Addr);
				}
				else
					strcpy(msg,"Logging in");
			}
			else
			{
				i=sprintf(msg,"%-10s %-10s %2d",
					sockptr->UserPointer->UserName, sockptr->Callsign, sockptr->FromHostBuffPutptr - sockptr->FromHostBuffGetptr);
			}
		}
		SendMessage(TNC->hMonitor, LB_ADDSTRING ,0, (LPARAM)msg);
	}
#endif
	return 0;
}
byte * EncodeCall(byte * Call)
{
	static char axcall[10];

	ConvToAX25(Call, axcall);
	return &axcall[0];
}
BOOL ProcessTelnetCommand(struct ConnectionInfo * sockptr, byte * Msg, int * Len)
{
	int cmd, TelOption;
	int used;
	char WillSupGA[3]={IAC,WILL,suppressgoahead};
	char WillEcho[3]={IAC,WILL,echo};
	char Wont[3]={IAC,WONT,echo};
	char Dont[3]={IAC,DONT,echo};

	//	Note Msg points to the IAC, which may not be at the start of the receive buffer
	//	Len is number of bytes left in buffer including the IAC

	if (*Len < 2) return TRUE;		//' Wait for more

	cmd = Msg[1];
	
	if (cmd == DOx || cmd == DONT || cmd == WILL || cmd == WONT)
		if (*Len < 3) return TRUE;		//' wait for option
    
	TelOption = Msg[2];

	switch (cmd)
	{
	case DOx:
            
        switch (TelOption)
		{
		case echo:
			sockptr->DoEcho = TRUE;
 			send(sockptr->socket,WillEcho,3,0);
			break;

		case suppressgoahead:

 			send(sockptr->socket,WillSupGA,3,0);
			break;

		default:

			Wont[2] = TelOption;
			send(sockptr->socket,Wont,3,0);
		}

		used=3;

		break;

	case DONT:
    
 //       Debug.Print "DONT"; TelOption

		switch (TelOption)
		{
		case echo:
			sockptr->DoEcho = FALSE;
			break;
		}

		Wont[2] = TelOption;
		send(sockptr->socket,Wont,3,0);

		used=3;
   
		break;

	case WILL:

 //       Debug.Print "WILL"; TelOption
        
//        if (TelOption == echo) sockptr->DoEcho = TRUE;
  
		Dont[2] = TelOption;
		send(sockptr->socket, Dont, 3, 0);

		used=3;

		break;

	case WONT:
            
//        Debug.Print "WONT"; TelOption

		used=3;
       
		break;

	default:
    
		used=2;

	}
   
	// remove the processed command from the buffer

	*Len -= used;

	return FALSE;
}


int WriteLog(char * msg)
{
	FILE *file;
	char timebuf[128];
	time_t ltime;

	UCHAR Value[MAX_PATH];
	time_t T;
	struct tm * tm;

	T = time(NULL);
	tm = gmtime(&T);

	if (LogDirectory[0] == 0)
	{
		strcpy(Value, "logs/Telnet_");
	}
	else
	{
		strcpy(Value, LogDirectory);
		strcat(Value, "/");
		strcat(Value, "logs/Telnet_");
	}

	sprintf(Value, "%s%02d%02d%02d.log", Value,
				tm->tm_year - 100, tm->tm_mon+1, tm->tm_mday);

	if ((file = fopen(Value, "a")) == NULL)
		return FALSE;

	time(&ltime);

#ifdef LINBPQ
	{
		struct tm * tmp = localtime(&ltime);
		strftime( timebuf, 128,
			"%d/%m/%Y %H:%M:%S ", tmp );
	}
#else
	{
	    struct tm * today;

		today = localtime(&ltime);
		strftime(timebuf, 128, "%d/%m/%Y %H:%M:%S ", today);
	}
#endif    
	fputs(timebuf, file);
	fputs(msg, file);
	fclose(file);
	return 0;
}

char LastCMSLog[256];

VOID WriteCMSLog(char * msg)
{
	UCHAR Value[MAX_PATH];
	time_t T;
	struct tm * tm;
	FILE * Handle;
	char LogMsg[256];
	int MsgLen;

	if (CMSLogEnabled == FALSE)
		 return;

	T = time(NULL);
	tm = gmtime(&T);

	if (LogDirectory[0] == 0)
	{
		strcpy(Value, "logs/CMSAccess");
	}
	else
	{
		strcpy(Value, LogDirectory);
		strcat(Value, "/");
		strcat(Value, "logs/CMSAccess");
	}

	sprintf(Value, "%s_%04d%02d%02d.log", Value,
				tm->tm_year +1900, tm->tm_mon+1, tm->tm_mday);

	Handle = fopen(Value, "ab");

	if (Handle == NULL)
		return;

	MsgLen = sprintf(LogMsg, "%02d:%02d:%02d %s", tm->tm_hour, tm->tm_min, tm->tm_sec, msg);

	fwrite(LogMsg , 1, MsgLen, Handle);

	fclose(Handle);

#ifndef WIN32

	if (strcmp(Value, LastCMSLog))
	{
		UCHAR SYMLINK[MAX_PATH];

		sprintf(SYMLINK,"%s/CMSAccessLatest.log", BPQDirectory);
		unlink(SYMLINK); 
		strcpy(LastCMSLog, Value);
		symlink(Value, SYMLINK);
	}

#endif

	return;
}






int Telnet_Connected(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, int Error)
{
	struct TCPINFO * TCP = TNC->TCPInfo;
	PMSGWITHLEN buffptr;
	int Stream = sockptr->Number;
	char Signon[80];
	int errlen = 4;

	buffptr = (PMSGWITHLEN)GetBuff();
	if (buffptr == 0) return 0;			// No buffers, so ignore
				
#ifndef WIN32

//	SO_ERROR codes

//#define	ETIMEDOUT		110	/* Connection timed out */
//#define	ECONNREFUSED	111	/* Connection refused */
//#define	EHOSTDOWN		112	/* Host is down */
//#define	EHOSTUNREACH	113	/* No route to host */
//#define	EALREADY		114	/* Operation already in progress */
//#define	EINPROGRESS		115	/* Operation now in progress */

	if (Error == 0)
		getsockopt(sock, SOL_SOCKET, SO_ERROR, (char *)&Error, &errlen);

//	Debugprintf("Except Event Error after opts = %d", Error);
#endif

	if (Error)
	{
		if (sockptr->CMSSession && sockptr->RelaySession == 0)
		{
			// Try Next

			TCP->CMSFailed[sockptr->CMSIndex] = TRUE;

			if (CMSConnect(TNC, TNC->TCPInfo, &TNC->Streams[Stream], Stream))
				return 0;

			// Connect failure - if no more servers to check look for FALLBACKTORELAY

			return 0;
		}
		else
		{
			int err = 0;
			int errlen = 4;

			getsockopt(sock, SOL_SOCKET, SO_ERROR, (char *)&err, &errlen);

			buffptr->Len = sprintf(&buffptr->Data[0], "*** Failed to Connect\r");
					
			C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
				
			closesocket(sock);
			TNC->Streams[Stream].Connecting = FALSE;
			sockptr->SocketActive = FALSE;
			ShowConnections(TNC);
			TNC->Streams[Stream].NeedDisc = 10;
			return 0;
		}
	}

	sockptr->LogonSent = FALSE;

	if (sockptr->CMSSession)
	{
		sockptr->LoginState = 3;			// Password State

		sockptr->UserPointer  = &CMSUser;
		strcpy(sockptr->Callsign, TNC->Streams[Stream].MyCall);

		sockptr->DoEcho = FALSE;
		sockptr->FBBMode = TRUE;
		sockptr->RelayMode = FALSE;
		sockptr->ClientSession = FALSE;
		sockptr->SyncMode = FALSE;	

		if (TCP->CMS)
			SaveCMSHostInfo(TNC->Port, TNC->TCPInfo, sockptr->CMSIndex);

		if (CMSLogEnabled)
		{
			char logmsg[120];

			if (sockptr->RelaySession)
				sprintf(logmsg,"%d %s Connected to RELAY\r\n", sockptr->Number, TNC->Streams[Stream].MyCall);
			else
				sprintf(logmsg,"%d %s Connected to CMS\r\n", sockptr->Number, TNC->Streams[Stream].MyCall);

			WriteCMSLog (logmsg);
		}
		
		if (sockptr->RelaySession)
			buffptr->Len  = sprintf(&buffptr->Data[0], "*** %s Connected to RELAY\r", TNC->Streams[Stream].MyCall);
		else
			buffptr->Len  = sprintf(&buffptr->Data[0], "*** %s Connected to CMS\r", TNC->Streams[Stream].MyCall);
	}
	else
	{
		sockptr->LoginState = 2;			// Data State
		sockptr->UserPointer  = &HostUser;
		strcpy(sockptr->Callsign, TNC->Streams[Stream].MyCall);
		sockptr->DoEcho = FALSE;
		sockptr->ClientSession = TRUE;

		if (sockptr->SyncMode)
		{
			char Addr[256];
			Tel_Format_Addr(sockptr, Addr);

			buffptr->Len  = sprintf(&buffptr->Data[0], "*** Connected to SYNC %s:%d\r", Addr, htons(sockptr->sin.sin_port));
			send(sockptr->socket, sockptr->Signon, (int)strlen(sockptr->Signon), 0);
		}
		else
		{
			if (sockptr->Signon[0])
			{
				buffptr->Len  = sprintf(&buffptr->Data[0], "*** Connected to Server\r");
				send(sockptr->socket, sockptr->Signon, (int)strlen(sockptr->Signon), 0);
			}
			else
			{
				if (TNC->PortRecord->ATTACHEDSESSIONS[Stream]->L4CROSSLINK->APPL[0])
					buffptr->Len = sprintf(&buffptr->Data[0], "*** Connected to %s\r",
						TNC->PortRecord->ATTACHEDSESSIONS[Stream]->L4CROSSLINK->APPL);
				else
					buffptr->Len = sprintf(&buffptr->Data[0], "*** Connected to APPL\r");

				if (sockptr->NoCallsign == FALSE)
					send(sockptr->socket, Signon, sprintf(Signon, "%s\r\n", TNC->Streams[Stream].MyCall), 0);
			}
		}
	}

	C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);

	sockptr->SocketActive = TRUE;
	sockptr->InputLen = 0;
//	sockptr->Number = Stream;
	sockptr->RelayMode = FALSE;
	sockptr->ConnectTime = time(NULL);
	TNC->Streams[Stream].Connecting = FALSE;
	TNC->Streams[Stream].Connected = TRUE;

	if (sockptr->ADIF == NULL)
		sockptr->ADIF = malloc(sizeof(struct ADIF));

	memset(sockptr->ADIF, 0, sizeof(struct ADIF));

	strcpy(sockptr->ADIF->Call, TNC->Streams[Stream].MyCall);

	ShowConnections(TNC);

	if (sockptr->FromHostBuffer == 0)
	{
		sockptr->FromHostBuffer = malloc(10000);
		sockptr->FromHostBufferSize = 10000;
	}

	sockptr->FromHostBuffPutptr = sockptr->FromHostBuffGetptr = 0;

	TNC->Streams[Stream].BytesRXed = TNC->Streams[Stream].BytesTXed = 0;

	return 0;
}

VOID ReportError(struct STREAMINFO * STREAM, char * Msg)
{
	PMSGWITHLEN buffptr;

	buffptr = (PMSGWITHLEN)GetBuff();
	if (buffptr == 0) return;			// No buffers, so ignore
				
	buffptr->Len  = sprintf(&buffptr->Data[0], "Error - %s\r", Msg);
					
	C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
}

VOID Report(struct STREAMINFO * STREAM, char * Msg)
{
	PMSGWITHLEN buffptr;

	buffptr = (PMSGWITHLEN)GetBuff();
	if (buffptr == 0) return;			// No buffers, so ignore
				
	buffptr->Len  = sprintf(&buffptr->Data[0], "%s\r", Msg);
					
	C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
}

void CheckCMSThread(void * TNC);

BOOL CheckCMS(struct TNCINFO * TNC)
{
	if (TNC->TCPInfo->CMS)
	{
		TNC->TCPInfo->CheckCMSTimer = 0;
		_beginthread(CheckCMSThread, 0, (void *)TNC);
	}
	return 0;
}

void CheckCMSThread(void * TNCPtr)
{
	// Resolve Name and check connectivity to each address

	struct TNCINFO * TNC = (struct TNCINFO *)TNCPtr;
	struct TCPINFO * TCP = TNC->TCPInfo;
//	struct hostent * HostEnt;
	struct in_addr addr;
	struct hostent *remoteHost;
    char **pAlias;	int i = 0;
	BOOL INETOK = FALSE;
	struct addrinfo hints, *res = 0, *saveres;
	int n;
	unsigned long cms;

	TCP->UseCachedCMSAddrs = FALSE;

	// if TCP->CMSServer is an ip address use it

	cms = inet_addr(TCP->CMSServer);
	
	if (cms != INADDR_NONE)
	{
		Debugprintf("Using %s for CMS Server", TCP->CMSServer);
		TCP->CMSAddr[0].s_addr = cms;
		TCP->CMSFailed[0] = FALSE;
		TCP->CMSName[0] = _strdup(TCP->CMSServer);			// Save Host Name
		TCP->NumberofCMSAddrs = 1;
		goto CheckServers;
	}

	// First make sure we have a functioning DNS

	memset(&hints, 0, sizeof hints);
	hints.ai_family = AF_INET6;  // use IPv4 or IPv6, whichever
	hints.ai_socktype = SOCK_DGRAM;

	n = getaddrinfo("a.root-servers.net", NULL, &hints, &res);

	if (n == 0)
		goto rootok;
	
	memset(&hints, 0, sizeof hints);
	hints.ai_family = AF_UNSPEC;  // use IPv4 or IPv6, whichever
	hints.ai_socktype = SOCK_DGRAM;
	n = getaddrinfo("b.root-servers.net", NULL, &hints, &res);
		 
	if (n == 0)
		goto rootok;

	Debugprintf("Resolve root nameserver failed");

	// Most likely is a local Internet Outage, but we could have Internet, but no name servers
	// Either way, switch to using cached CMS addresses. CMS Validation will check connectivity

	TCP->UseCachedCMSAddrs = TRUE;
	goto CheckServers;

rootok:

	freeaddrinfo(res);

	INETOK = TRUE;			// We have connectivity

	res = 0;
	memset(&hints, 0, sizeof hints);
	hints.ai_family = AF_UNSPEC;  // use IPv4 or IPv6, whichever
	hints.ai_socktype = SOCK_DGRAM;
	n = getaddrinfo(TCP->CMSServer, NULL, &hints, &res);
	 
	if (n || !res || res->ai_next == 0)	// Resolve Failed, or Returned only one Host
	{
		// Switch to Cached Servers
		
		if (res)
		{
			// If Host is amazonaws, allow it

			remoteHost = gethostbyaddr((char *) &res->ai_addr->sa_data[2], 4, AF_INET);

			if (remoteHost && strstr(_strlwr(remoteHost->h_name), "amazonaws"))
				goto resok;

			Debugprintf("Resolve CMS returned only one host");
			freeaddrinfo(res);
		}
		else
			Debugprintf("Resolve CMS Failed");

		TCP->UseCachedCMSAddrs = TRUE;

		goto CheckServers;
	}

resok:

	saveres = res;

	while (res)
	{
		memcpy(&addr.s_addr, &res->ai_addr->sa_data[2], 4);
		TCP->CMSAddr[i] = addr;
		TCP->CMSFailed[i] = FALSE;
		i++;
		res = res->ai_next;
	}

	freeaddrinfo(saveres);

	TCP->NumberofCMSAddrs = i;

	i = 0;

	while (i < TCP->NumberofCMSAddrs)
	{
		if (TCP->CMSName[i])
			free(TCP->CMSName[i]);
		   				
		remoteHost = gethostbyaddr((char *) &TCP->CMSAddr[i], 4, AF_INET);

		if (remoteHost == NULL)
		{
			int dwError = WSAGetLastError();
	
			TCP->CMSName[i] = NULL;

			if (dwError != 0)
			{
				if (dwError == HOST_NOT_FOUND)
					Debugprintf("CMS - Host not found");
				else if (dwError == NO_DATA)
					Debugprintf("CMS No data record found");
				else
					Debugprintf("CMS Gethost failed %d", dwError);
			}
	   }
	   else
	   { 
		   Debugprintf("CMS #%d %s Official name : %s",i, inet_ntoa(TCP->CMSAddr[i]), remoteHost->h_name);
		   
		   TCP->CMSName[i] = _strdup(remoteHost->h_name);			// Save Host Name
	
		   for (pAlias = remoteHost->h_aliases; *pAlias != 0; pAlias++)
		   {
			   Debugprintf("\tAlternate name #%d: %s\n", i, *pAlias);
		   }
		}
		i++;
	}

	TCP->NumberofCMSAddrs = i;

CheckServers:
#ifndef LINBPQ
	CheckMenuItem(TNC->TCPInfo->hActionMenu, 4, MF_BYPOSITION | TCP->UseCachedCMSAddrs<<3);
#endif
	if (TCP->UseCachedCMSAddrs)
	{
		// Get Cached Servers from CMSInfo.txt

		GetCMSCachedInfo(TNC);
	}

	if (TCP->NumberofCMSAddrs == 0)
	{
		TCP->CMSOK = FALSE;
#ifndef LINBPQ
		SetWindowText(TCP->hCMSWnd, "NO CMS"); 
#endif
		return;
	}
	
	// if we don't know we have Internet connectivity, make sure we can connect to at least one of them

	TCP->CMSOK = INETOK | CMSCheck(TNC, TCP);		// If we know we have Inet, dont check connectivity
	
#ifndef LINBPQ
	if (TCP->CMSOK)
		MySetWindowText(TCP->hCMSWnd, "CMS OK"); 
	else
		MySetWindowText(TCP->hCMSWnd, "NO CMS"); 
#endif
	return;
}

#define MAX_KEY_LENGTH 255
#define MAX_VALUE_NAME 255
#define MAX_VALUE_DATA 255



VOID GetCMSCachedInfo(struct TNCINFO * TNC)
{
	struct TCPINFO * TCP = TNC->TCPInfo;
	ULONG IPAD;
	char inname[256];
	
	FILE *in;
	char Buffer[2048];
	char *buf = Buffer;
	char *ptr1, *ptr2, *context;
	int i = 0;

	if (LogDirectory[0] == 0)
	{
		strcpy(inname, "logs/CMSInfo.txt");
	}
	else
	{
		strcpy(inname, LogDirectory);
		strcat(inname, "/");
		strcat(inname, "logs/CMSInfo.txt");
	}

	TCP->NumberofCMSAddrs = 0;

	in = fopen(inname, "r");

	if (!(in)) return;

	while(fgets(buf, 128, in))
	{
		ptr1 =  strtok_s(buf, ", ", &context);
		ptr2 =  strtok_s(NULL, ", ", &context);		// Skip Time
		ptr2 =  strtok_s(NULL, ", ", &context);
			
		if (ptr1[0] < 32 || ptr1[0] > 127 || ptr2 == NULL)
			continue;
		
		IPAD = inet_addr(ptr2);

		memcpy(&TCP->CMSAddr[i], &IPAD, 4);

		TCP->CMSFailed[i] = FALSE;
		
		if (TCP->CMSName[i])
			free(TCP->CMSName[i]);
		   		
		TCP->CMSName[i] = _strdup(ptr1);			// Save Host Name
		i++;

		if (i >= MaxCMS)
			break;
	}

	fclose(in);

	TCP->NumberofCMSAddrs = i;

	return;
}

BOOL CMSCheck(struct TNCINFO * TNC, struct TCPINFO * TCP)
{
	// Make sure at least one CMS can be connected to

	u_long param=1;
	BOOL bcopt=TRUE;
	SOCKET sock;
	struct sockaddr_in sinx; 
	struct sockaddr_in destaddr;
	int addrlen=sizeof(sinx);
	int n = 0;

	destaddr.sin_family = AF_INET; 
	destaddr.sin_port = htons(8772);

	sinx.sin_family = AF_INET;
	sinx.sin_addr.s_addr = INADDR_ANY;
	sinx.sin_port = 0;

	for (n = 0; n < TCP->NumberofCMSAddrs;  n++)
	{
		sock = socket(AF_INET, SOCK_STREAM, 0);

		if (sock == INVALID_SOCKET)
			return FALSE;
	
		memcpy(&destaddr.sin_addr.s_addr, &TCP->CMSAddr[n], 4);

		setsockopt (sock, SOL_SOCKET, SO_REUSEADDR, (const char FAR *)&bcopt,4);

		if (bind(sock, (struct sockaddr *) &sinx, addrlen) != 0 )
	  	 	return FALSE;

		if (connect(sock,(struct sockaddr *) &destaddr, sizeof(destaddr)) == 0)
		{
			closesocket(sock);
			return TRUE;
		}

		// Failed - try next

		if (TCP->CMSName[n])
			Debugprintf("Check CMS Failed for %s", TCP->CMSName[n]);
		closesocket(sock);
	}
	return FALSE;
}


					
int CMSConnect(struct TNCINFO * TNC, struct TCPINFO * TCP, struct STREAMINFO * STREAM, int Stream)
{
	int err;
	u_long param=1;
	BOOL bcopt=TRUE;
	struct ConnectionInfo * sockptr;
	SOCKET sock;
	struct sockaddr_in sinx; 
	struct sockaddr_in destaddr;
	int addrlen=sizeof(sinx);
	int n;
	char Msg[80];

	sockptr = STREAM->ConnectionInfo;
		
	sock = sockptr->socket = socket(AF_INET, SOCK_STREAM, 0);

	if (sock == INVALID_SOCKET)
	{
		ReportError(STREAM, "Create Socket Failed");
		return FALSE;
	}

	if (sockptr->ADIF == NULL)
		sockptr->ADIF = malloc(sizeof(struct ADIF));

	memset(sockptr->ADIF, 0, sizeof(struct ADIF));

	sockptr->SocketActive = TRUE;
	sockptr->InputLen = 0;
	sockptr->LoginState = 2;
	sockptr->UserPointer = 0;
	sockptr->DoEcho = FALSE;
	sockptr->BPQTermMode = FALSE;

	sockptr->FBBMode = TRUE;		// Raw Data
	sockptr->NeedLF = FALSE;

	if (sockptr->ADIF == NULL)
		sockptr->ADIF = malloc(sizeof(struct ADIF));

	memset(sockptr->ADIF, 0, sizeof(struct ADIF));

	destaddr.sin_family = AF_INET; 
	destaddr.sin_port = htons(8772);

	// See if current CMS is down

	n = 0;

	while (TCP->CMSFailed[TCP->NextCMSAddr])
	{
		TCP->NextCMSAddr++;
		if (TCP->NextCMSAddr >= TCP->NumberofCMSAddrs) TCP->NextCMSAddr = 0;
		n++;

		if (n == TCP->NumberofCMSAddrs)
		{
			TCP->CMSOK = FALSE;
#ifndef LINBPQ
			DrawMenuBar(TNC->hDlg);	
#endif
			ReportError(STREAM, "All CMS Servers are inaccessible");
			closesocket(sock);

			if (TCP->RELAYHOST[0] && TCP->FallbacktoRelay && STREAM->NoCMSFallback == 0)
			{
				STREAM->Connecting = TRUE;
				STREAM->ConnectionInfo->CMSSession = TRUE;
				STREAM->ConnectionInfo->RelaySession = TRUE;
				return TCPConnect(TNC, TCP, STREAM, TCP->RELAYHOST, 8772, TRUE);
			}

			STREAM->NeedDisc = 10;
			TNC->Streams[Stream].Connecting = FALSE;
			sockptr->SocketActive = FALSE;
			ShowConnections(TNC);
			return FALSE;
		}
	}

	sockptr->CMSIndex = TCP->NextCMSAddr;

	sprintf(Msg, "Trying %s", TCP->CMSName[TCP->NextCMSAddr]);

	memcpy(&destaddr.sin_addr.s_addr, &TCP->CMSAddr[TCP->NextCMSAddr++], 4);

	if (TCP->NextCMSAddr >= TCP->NumberofCMSAddrs)
		TCP->NextCMSAddr = 0;

	ioctl(sockptr->socket, FIONBIO, &param);

	setsockopt (sockptr->socket, SOL_SOCKET, SO_REUSEADDR, (const char FAR *)&bcopt,4);

	sinx.sin_family = AF_INET;
	sinx.sin_addr.s_addr = INADDR_ANY;
	sinx.sin_port = 0;

	if (bind(sockptr->socket, (struct sockaddr *) &sinx, addrlen) != 0 )
	{
		ReportError(STREAM, "Bind Failed");	
  	 	return FALSE; 
	}

#ifndef LINBPQ
	ModifyMenu(TCP->hDisMenu, Stream - 1, MF_BYPOSITION | MF_STRING, IDM_DISCONNECT + Stream, "CMS");
#endif

	Report(STREAM, Msg);	

	if (connect(sockptr->socket,(struct sockaddr *) &destaddr, sizeof(destaddr)) == 0)
	{
		//
		//	Connected successful
		//

		ReportError(STREAM, "*** Connected");	
		return TRUE;
	}
	else
	{
		err=WSAGetLastError();

		if (err == 10035 || err == 115 || err == 36 || err == 150)		//EWOULDBLOCK
		{
			//	Connect in Progress

			sockptr->UserPointer  = &CMSUser;
			return TRUE;
		}
		else
		{
			//	Connect failed

			closesocket(sockptr->socket);

			if (sockptr->CMSSession && sockptr->RelaySession == 0)
			{
				// Try Next

				TCP->CMSFailed[sockptr->CMSIndex] = TRUE;
				Debugprintf("Connect Failed %d, trying next", err);
				CMSConnect(TNC, TNC->TCPInfo, &TNC->Streams[Stream], Stream);
				return 0;
			}

			ReportError(STREAM, "Connect Failed");
			CheckCMS(TNC);

			STREAM->Connecting = FALSE;
			sockptr->SocketActive = FALSE;
			ShowConnections(TNC);
			STREAM->NeedDisc = 10;

			return FALSE;
		}
	}
	return FALSE;

}

VOID SaveCMSHostInfo(int port, struct TCPINFO * TCP, int CMSNo)
{
	char Info[256];
	char inname[256];
	char outname[256];

	unsigned char work[4];
	FILE *in, *out;
	char Buffer[2048];
	char *buf = Buffer;

	if (TCP->CMS == 0)
		return;

	if (CMSNo > 9 || CMSNo < 0 || TCP->CMSName[CMSNo] == 0)
	{
		Debugprintf("SaveCMSHostInfo invalid CMS Number %d", CMSNo);
		return;
	}

	if (LogDirectory[0] == 0)
	{
		strcpy(inname, "logs/CMSInfo.txt");
	}
	else
	{
		strcpy(inname, LogDirectory);
		strcat(inname, "/");
		strcat(inname, "logs/CMSInfo.txt");
	}

	if (LogDirectory[0] == 0)
	{
		strcpy(outname, "logs/CMSInfo.tmp");
	}
	else
	{
		strcpy(outname, LogDirectory);
		strcat(outname, "/");
		strcat(outname, "logs/CMSInfo.tmp");
	}

	memcpy(work, &TCP->CMSAddr[CMSNo].s_addr, 4);

	sprintf(Info,"%s %d %d.%d.%d.%d\n", TCP->CMSName[CMSNo], (int)time(NULL),
					work[0], work[1], work[2], work[3]);


	in = fopen(inname, "r");

	if (!(in))
	{
		in = fopen(inname, "w");

		if (!(in))
		{
			perror("Failed to create CMSInfo.txt");
			Debugprintf("Failed to create CMSInfo.txt");
			return;
		}
		fclose(in);
		in = fopen(inname, "r");
	}

	if (!(in)) return;

	out = fopen(outname, "w");

	if (!(out)) return;

	while(fgets(buf, 128, in))
	{
		char addr[256];
		time_t t;
		char ip[256];
		int n;

	if (sizeof(time_t) == 4)
		n = sscanf(buf,"%s %d %s", addr, (int *)&t, ip);
	else
		n = sscanf(buf, "%s %lld %s", addr, &t, ip);

		if (n == 3)
		{
			time_t age = time(NULL) - t;

			// if not current server and not too old, copy across

			if (addr[0] > 31 && addr[0] < 127)
				if ((age < 86400 * 30) && strcmp(addr, TCP->CMSName[CMSNo]) != 0)
					fputs(buf, out);
		}
	}

	fputs(Info, out);

	fclose(in);
	fclose(out);

	remove(inname);
	rename(outname, inname);

	return;
}

int TCPConnect(struct TNCINFO * TNC, struct TCPINFO * TCP, struct STREAMINFO * STREAM, char * Host, int Port, BOOL FBB)
{
	int err;
	u_long param=1;
	BOOL bcopt=TRUE;
	struct ConnectionInfo * sockptr;
	SOCKET sock;
	struct sockaddr_in sinx; 
	struct sockaddr_in destaddr;
	int addrlen=sizeof(sinx);
	int i;

	sockptr = STREAM->ConnectionInfo;
		
	sock = sockptr->socket = socket(AF_INET, SOCK_STREAM, 0);

	if (sock == INVALID_SOCKET)
	{
		ReportError(STREAM, "Create Socket Failed");
		return FALSE;
	}
	
	sockptr->SocketActive = TRUE;
	sockptr->InputLen = 0;
	sockptr->LoginState = 2;
	sockptr->UserPointer = 0;
	sockptr->DoEcho = FALSE;

	sockptr->FBBMode = FBB;		// Raw Data

	if (sockptr->ADIF == NULL)
		sockptr->ADIF = malloc(sizeof(struct ADIF));

	memset(sockptr->ADIF, 0, sizeof(struct ADIF));

	
	// Resolve Name if needed

	sockptr->sin.sin_family = AF_INET; 
	sockptr->sin.sin_port = htons(Port);

	sockptr->sin.sin_addr.s_addr = inet_addr(Host);

	if (sockptr->sin.sin_addr.s_addr == INADDR_NONE)
	{
		struct hostent * HostEnt;

		//	Resolve name to address

		HostEnt = gethostbyname(Host);
		 
		if (!HostEnt)
		{
			ReportError(STREAM, "Resolve HostName Failed");
			return FALSE;			// Resolve failed
		}
		i = 0;
		while (HostEnt->h_addr_list[i] != 0)
		{
			    struct in_addr addr;
				addr.s_addr = *(u_long *) HostEnt->h_addr_list[i++];
		}
		memcpy(&sockptr->sin.sin_addr.s_addr, HostEnt->h_addr, 4);
	}

	ioctl (sockptr->socket, FIONBIO, &param);
 
	setsockopt (sockptr->socket, SOL_SOCKET, SO_REUSEADDR, (const char FAR *)&bcopt,4);

	sinx.sin_family = AF_INET;
	sinx.sin_addr.s_addr = INADDR_ANY;
	sinx.sin_port = 0;

	if (bind(sockptr->socket, (struct sockaddr *) &sinx, addrlen) != 0 )
	{
		ReportError(STREAM, "Bind Failed");	
  	 	return FALSE; 
	}

	if (LogEnabled)
	{
		char logmsg[512];
							
		sprintf(logmsg,"%d Outward Connect to %s  Port %d\n", sockptr->Number, Host, Port);
		WriteLog (logmsg);
	}


	if (connect(sockptr->socket,(struct sockaddr *) &sockptr->sin, sizeof(destaddr)) == 0)
	{
		//
		//	Connected successful
		//

		ReportError(STREAM, "*** Connected");

		// Get Send Buffer Size

		return TRUE;
	}
	else
	{
		err=WSAGetLastError();

		if (err == 10035 || err == 115 || err == 36)		//EWOULDBLOCK
		{
			//	Connect in Progress

			sockptr->UserPointer  = &HostUser;
			return TRUE;
		}
		else
		{
			//	Connect failed

			closesocket(sockptr->socket);
			ReportError(STREAM, "Connect Failed");	
			STREAM->Connecting = FALSE;
			sockptr->SocketActive = FALSE;
			ShowConnections(TNC);
			STREAM->NeedDisc = 10;

			return FALSE;
		}
	}

	return FALSE;

}


VOID Tel_Format_Addr(struct ConnectionInfo * sockptr, char * dst)
{
	unsigned char * src;
	char zeros[12] = "";
	char * ptr;
	struct
	{
		int base, len;
	} best, cur;
	unsigned int words[8];
	int i;

	if (sockptr->sin.sin_family != AF_INET6)
	{
		unsigned char work[4];
		memcpy(work, &sockptr->sin.sin_addr.s_addr, 4);
		sprintf(dst,"%d.%d.%d.%d", work[0], work[1], work[2], work[3]);
		return;
	}

	src = (unsigned char *)&sockptr->sin6.sin6_addr;

	// See if Encapsulated IPV4 addr

	if (src[12] != 0)
	{
		if (memcmp(src, zeros, 12) == 0)	// 12 zeros, followed by non-zero
		{
			sprintf(dst,"::%d.%d.%d.%d", src[12], src[13], src[14], src[15]);
			return;
		}
	}

	// Convert 16 bytes to 8 words
	
	for (i = 0; i < 16; i += 2)
	    words[i / 2] = (src[i] << 8) | src[i + 1];

	// Look for longest run of zeros
	
	best.base = -1;
	cur.base = -1;
	
	for (i = 0; i < 8; i++)
	{
		if (words[i] == 0)
		{
	        if (cur.base == -1)
				cur.base = i, cur.len = 1;		// New run, save start
	          else
	            cur.len++;						// Continuation - increment length
		}
		else
		{
			// End of a run of zeros

			if (cur.base != -1)
			{
				// See if this run is longer
				
				if (best.base == -1 || cur.len > best.len)
					best = cur;
				
				cur.base = -1;	// Start again
			}
		}
	}
	
	if (cur.base != -1)
	{
		if (best.base == -1 || cur.len > best.len)
			best = cur;
	}
	
	if (best.base != -1 && best.len < 2)
	    best.base = -1;
	
	ptr = dst;
	  
	for (i = 0; i < 8; i++)
	{
		/* Are we inside the best run of 0x00's? */

		if (best.base != -1 && i >= best.base && i < (best.base + best.len))
		{
			// Just output one : for whole string of zeros
			
			*ptr++ = ':';
			i = best.base + best.len - 1;	// skip rest of zeros
			continue;
		}
	    
		/* Are we following an initial run of 0x00s or any real hex? */
		
		if (i != 0)
			*ptr++ = ':';
		
		ptr += sprintf (ptr, "%x", words[i]);
	        
		//	Was it a trailing run of 0x00's?
	}

	if (best.base != -1 && (best.base + best.len) == 8)
		*ptr++ = ':';
	
	*ptr++ = '\0';	
}

BOOL TelSendPacket(int Stream, struct STREAMINFO * STREAM, PMSGWITHLEN buffptr, struct ADIF * ADIF)
{
	int datalen;
	UCHAR * MsgPtr;
	SOCKET sock;
	struct ConnectionInfo * sockptr = STREAM->ConnectionInfo;

	datalen = (int)buffptr->Len;
	MsgPtr = &buffptr->Data[0];

	STREAM->BytesTXed += datalen;

	sock = sockptr->socket;

	if (sockptr->UserPointer  == &CMSUser)
	{
		WritetoTrace(Stream, MsgPtr, datalen, ADIF, 'S');
	}

	if (sockptr->UTF8)
	{
		// Convert any non-utf8 chars

		if (IsUTF8(MsgPtr, datalen) == FALSE)
		{
			unsigned char UTF[1024];
			int u, code;

			// Try to guess encoding

			code = TrytoGuessCode(MsgPtr, datalen);

			if (code == 437)
				u = Convert437toUTF8(MsgPtr, datalen, UTF);
			else if (code == 1251)
				u = Convert1251toUTF8(MsgPtr, datalen, UTF);
			else
				u = Convert1252toUTF8(MsgPtr, datalen, UTF);
			
			SendAndCheck(sockptr, UTF, u, 0);
			ReleaseBuffer(buffptr);
			return TRUE;
		}
	}

	if (sockptr->FBBMode && sockptr->NeedLF == FALSE)
	{
/*
		// if Outward Connect to FBB,  Replace ff with ffff

		if (0)		// if we use this need to fix retry
		{
			char * ptr2, * ptr = &MsgPtr[0];
			int i;
			do 
			{
				ptr2 = memchr(ptr, 255, datalen);

				if (ptr2 == 0)
				{
					//	no ff, so just send as is 

					xxxsend(sock, ptr, datalen, 0);
					i=0;
					break;
				}

				i=ptr2+1-ptr;

				xxsend(sock,ptr,i,0);
				xxsend(sock,"\xff",1,0);

				datalen-=i;
				ptr=ptr2+1;
			}
			while (datalen>0);
		}
*/
		// Normal FBB Mode path

		BOOL ret = SendAndCheck(sockptr, MsgPtr, datalen, 0);
		ReleaseBuffer(buffptr);
		return ret;
	}
	
	// Not FBB mode, or FBB and NEEDLF Replace cr with crlf

	{
		unsigned char Out[1024];
		unsigned char c;
		unsigned char * ptr2 = Out;
		unsigned char * ptr = &MsgPtr[0];

		while (datalen--)
		{
			c = (*ptr++);
			
			if (c == 13)
			{
				*(ptr2++) = 13;
				*(ptr2++) = 10;
			}
			else
				*(ptr2++) = c;
		}

		ReleaseBuffer(buffptr);
		return SendAndCheck(sockptr, Out, (int)(ptr2 - Out), 0);
	}
}

VOID ProcessTrimodeCommand(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, char * MsgPtr)
{
	struct STREAMINFO * STREAM = &TNC->Streams[sockptr->Number];
	int Port = 4;

	Debugprintf(MsgPtr);
	
	if (strcmp(MsgPtr, "CLOSE") == 0)
	{
		if (STREAM->Connected)
		{
			STREAM->ReportDISC = TRUE;
		}
	}

// MYCALLSIGN XE2BNC
	else
	if (memcmp(MsgPtr, "MYCALLSIGN", 10) == 0)
	{
		char * call = &MsgPtr[11];
		
		if (strlen(call) > 9)
			call[9] = 0;

		memcpy(STREAM->MyCall, call, 10);

		ConvToAX25(call, &TNC->PortRecord->ATTACHEDSESSIONS[sockptr->Number]->L4USER[0]);

		strcpy(&TNCInfo[Port]->Streams[0].MyCall[0], call);
	}


// TARGETCALLSIGN KE7XO
	else
	if (memcmp(MsgPtr, "TARGETCALLSIGN", 14) == 0)
	{
		char * call = &MsgPtr[15];
		
		if (strlen(call) > 9)
			call[9] = 0;

		memcpy(STREAM->RemoteCall, call, 10);
	}
// INITIATECALL 50
	else
	if (memcmp(MsgPtr, "INITIATECALL", 12) == 0)
	{
		char Cmd[80];
		int n;
		
		n = sprintf(Cmd,"C %s\r", STREAM->RemoteCall);

		SendtoNode(TNC, sockptr->Number, Cmd, n);
	}


// CHANNEL 3586500,None,None
	else
	if (memcmp(MsgPtr, "CHANNEL", 7) == 0)
	{
		double Freq = atof(&MsgPtr[8]);
		char Radiocmd[80];
		int n;

		strcpy(sockptr->Callsign, "G8BPQ");
		
		n = sprintf(Radiocmd,"RADIO %f %s\r", Freq/1000000, "USB");

		SendtoNode(TNC, sockptr->Number, Radiocmd, n);
	}

	else
	if (memcmp(MsgPtr, "PROTOCOL", 8) == 0)
	{
		// Attach the relevant port

		SendtoNode(TNC, sockptr->Number, "ATTACH 4\r", 9);
	}

	else
	if (strcmp(MsgPtr, "BUSY") == 0)
		send(sockptr->socket, "BUSY False\r\n", 12,0);


	send(sockptr->socket, "CMD\r\n", 5,0);

//	SendtoNode(TNC, sockptr->Number, NodeLine, len);
}


VOID ProcessTrimodeResponse(struct TNCINFO * TNC, struct STREAMINFO * STREAM, unsigned char * MsgPtr, int Msglen)
{
	MsgPtr[Msglen] = 0;

	if (STREAM->ConnectionInfo->TriModeConnected)
	{
		// Send over the Data Socket

		send(STREAM->ConnectionInfo->TriModeDataSock, MsgPtr, Msglen, 0);

		return;
	}

	strlop(MsgPtr, 13);
	Debugprintf(MsgPtr);

	if (memcmp(MsgPtr, "*** Connected to ", 17) == 0)
	{
		char Cmd[80];
		int n;
		
		n = sprintf(Cmd,"CONNECTED %s\r", &MsgPtr[17]);

		STREAM->ConnectionInfo->TriModeConnected = TRUE;

		send(STREAM->ConnectionInfo->socket, Cmd, n, 0);
	}
}

VOID ProcessTriModeDataMessage(struct TNCINFO * TNC, struct ConnectionInfo * sockptr, SOCKET sock, struct STREAMINFO * STREAM)
{
	int len=0;
	char NLMsg[3]={13,10,0};
	char RelayMsg[] = "No CMS connection available - using local BPQMail\r";
	struct TCPINFO * TCP = TNC->TCPInfo;
	unsigned char Buffer[256];

	ioctl(sock,FIONREAD,&len);
	
	if (len > 256) len = 256;

	len = recv(sock, Buffer, len, 0);

	if (len == SOCKET_ERROR || len ==0)
	{
		// Failed or closed - clear connection

		closesocket(sock);
		return;
	}

	SendtoNode(TNC, sockptr->Number, Buffer, len);
}

extern struct DATAMESSAGE * REPLYBUFFER;
char * __cdecl Cmdprintf(TRANSPORTENTRY * Session, char * Bufferptr, const char * format, ...);


VOID RECONFIGTELNET (TRANSPORTENTRY * Session, char * Bufferptr, char * CmdTail, CMDX * CMD)
{
	int Port = 0, index =0;
	char * ptr, *Context;
	struct PORTCONTROL * PORT = NULL;
	struct TNCINFO * TNC;
	char * ptr1, * ptr2;
	char buf[256],errbuf[256];
	char * Config;
	struct TCPINFO * TCP;
	
	ptr = strtok_s(CmdTail, " ", &Context);

	if (ptr)
		Port = atoi(ptr);

	if (Port)
		PORT = GetPortTableEntryFromPortNum(Port);

	if (PORT == NULL)
	{
		Bufferptr = Cmdprintf(Session, Bufferptr, "Invalid Port\r");
		SendCommandReply(Session, REPLYBUFFER, (int)(Bufferptr - (char *)REPLYBUFFER));
		return;
	}

	TNC = TNCInfo[Port];

	if (TNC == NULL || TNC->Hardware != H_TELNET)
	{
		Bufferptr = Cmdprintf(Session, Bufferptr, "Not a Telnet port\r");
		SendCommandReply(Session, REPLYBUFFER, (int)(Bufferptr - (char *)REPLYBUFFER));
		return;
	}

	TCP = TNC->TCPInfo;

	ptr = strtok_s(NULL, " ", &Context);

	if (ptr && _stricmp(ptr, "ALL") == 0)
	{
		// Use EXTRESTART Code

		PEXTPORTDATA PORTVEC = (PEXTPORTDATA) PORT;
		PORTVEC->EXTRESTART = 1;

		Bufferptr = Cmdprintf(Session, Bufferptr, "Reconfig Telnet Ok\r");
		SendCommandReply(Session, REPLYBUFFER, (int)(Bufferptr - (char *)REPLYBUFFER));
		return;
	}

	if (ptr && _stricmp(ptr, "USERS") == 0)
	{
		// Reconfig Users

		if (!ProcessConfig())
		{		
			Bufferptr = Cmdprintf(Session, Bufferptr, "Failed to reread config file - leaving config unchanged\r");
			SendCommandReply(Session, REPLYBUFFER, (int)(Bufferptr - (char *)REPLYBUFFER));
			return;
		}
		
		Config = PortConfig[Port];

		if (Config == NULL)
		{
			Bufferptr = Cmdprintf(Session, Bufferptr, "No Config Entries found\r");
			SendCommandReply(Session, REPLYBUFFER, (int)(Bufferptr - (char *)REPLYBUFFER));
			return;
		}

		// Don't free old user records - sessions may have pointers to them

		// Free the header

		if (TCP->UserRecPtr)
		{
			free(TCP->UserRecPtr);
			TCP->UserRecPtr = NULL;
		}

		TCP->NumberofUsers = 0;

		// Look for USER lines

		ptr1 = Config;
		ptr2 = strchr(ptr1, 13);

		while(ptr2)
		{
			memcpy(buf, ptr1, ptr2 - ptr1 + 1);
			buf[ptr2 - ptr1 + 1] = 0;
			ptr1 = ptr2 + 2;
			ptr2 = strchr(ptr1, 13);
			strcpy(errbuf,buf);			// save in case of erro

			if (_memicmp(buf, "USER=", 5) == 0 || _memicmp(buf, "USER ", 5) == 0)
			{
				char *User, *Pwd, *UserCall, *Secure, * Appl;
				int End = (int)strlen(buf) -1;
				struct UserRec * USER;
				char Param[8][256];
				char * ptr1, * ptr2;
				int n = 0;
				char * value = &buf[5];
				
				// USER=user,password,call,appl,SYSOP

				memset(Param, 0, 2048);
				strlop(value, 13);
				strlop(value, ';');

				ptr1 = value;

				while (ptr1 && *ptr1 && n < 8)
				{
					ptr2 = strchr(ptr1, ',');
					if (ptr2) *ptr2++ = 0;

					strcpy(&Param[n][0], ptr1);
					strlop(Param[n++], ' ');
					ptr1 = ptr2;
					while(ptr1 && *ptr1 && *ptr1 == ' ')
						ptr1++;
				}


				User = &Param[0][0];

				if (_stricmp(User, "ANON") == 0)
				{
					strcpy(&Param[2][0], "ANON");
					strcpy(&Param[4][0], "");		// Dont allow SYSOP if ANON
				}

				Pwd = &Param[1][0];
				UserCall = &Param[2][0];
				Appl = &Param[3][0];
				Secure = &Param[4][0];

				if (User[0] == 0 || Pwd[0] == 0 || UserCall[0] == 0) // invalid record
				{
					Bufferptr = Cmdprintf(Session, Bufferptr, "Bad USER Record %s\r", errbuf);
					SendCommandReply(Session, REPLYBUFFER, (int)(Bufferptr - (char *)REPLYBUFFER));
					return;
				}

				_strupr(UserCall);

				if (TCP->NumberofUsers == 0)
					TCP->UserRecPtr = malloc(sizeof(void *));
				else
					TCP->UserRecPtr = realloc(TCP->UserRecPtr, (TCP->NumberofUsers+1) * sizeof(void *));

				USER = zalloc(sizeof(struct UserRec));

				TCP->UserRecPtr[TCP->NumberofUsers] = USER;

				USER->Callsign = _strdup(UserCall);
				USER->Password = _strdup(Pwd);
				USER->UserName = _strdup(User);
				USER->Appl = zalloc(32);
				USER->Secure = FALSE;

				if (_stricmp(Secure, "SYSOP") == 0)
					USER->Secure = TRUE;

				if (Appl[0] && strcmp(Appl, "\"\"") != 0)
				{
					strcpy(USER->Appl, _strupr(Appl));
					strcat(USER->Appl, "\r\n");
				}
				TCP->NumberofUsers++;
			}
		}

		Bufferptr = Cmdprintf(Session, Bufferptr, "Reread Telnet Users Ok - %d USER Records\r", TCP->NumberofUsers);
		SendCommandReply(Session, REPLYBUFFER, (int)(Bufferptr - (char *)REPLYBUFFER));
		return;
	}

	Bufferptr = Cmdprintf(Session, Bufferptr, "Invalid parameter - use either USERS or ALL \r");
	SendCommandReply(Session, REPLYBUFFER, (int)(Bufferptr - (char *)REPLYBUFFER));
}

VOID SHOWTELNET(TRANSPORTENTRY * Session, char * Bufferptr, char * CmdTail, CMDX * CMD)
{
	//	DISPLAY Telnet Server Status Mheard
	
	int Port = 0, index =0;
	char * ptr, *Context;
	struct PORTCONTROL * PORT = NULL;
	int txlen = 0, n;
	struct TNCINFO * TNC;
	char msg[80];
	struct ConnectionInfo * sockptr;
	int i;
	char CMS[] = "CMS Disabled";

	ptr = strtok_s(CmdTail, " ", &Context);

	if (ptr)
		Port = atoi(ptr);

	if (Port)
		PORT = GetPortTableEntryFromPortNum(Port);

	if (PORT == NULL)
	{
		Bufferptr = Cmdprintf(Session, Bufferptr, "Invalid Port\r");
		SendCommandReply(Session, REPLYBUFFER, (int)(Bufferptr - (char *)REPLYBUFFER));
		return;
	}

	TNC = TNCInfo[Port];

	if (TNC == NULL || TNC->Hardware != H_TELNET)
	{
		Bufferptr = Cmdprintf(Session, Bufferptr, "Not a Telnet port\r");
		SendCommandReply(Session, REPLYBUFFER, (int)(Bufferptr - (char *)REPLYBUFFER));
		return;
	}

	if (TNC->TCPInfo->CMS)
		if (TNC->TCPInfo->CMSOK)
			strcpy(CMS, "CMS Ok");
		else
			strcpy(CMS, "No CMS");
	
	Bufferptr = Cmdprintf(Session, Bufferptr, "Telnet Status for Port %d %s\r", Port, CMS);

	for (n = 1; n <= TNC->TCPInfo->CurrentSockets; n++)
	{
		sockptr=TNC->Streams[n].ConnectionInfo;

		if (!sockptr->SocketActive)
		{
			strcpy(msg,"Idle");
		}
		else
		{
			if (sockptr->UserPointer == 0)
			{
				if (sockptr->HTTPMode)
				{
					char Addr[100];
					Tel_Format_Addr(sockptr, Addr);

					if (sockptr->WebSocks)
						sprintf(msg, "Websock From %s", Addr);
					else
						sprintf(msg, "HTTP From %s", Addr);

				}
				else if (sockptr->DRATSMode)
				{
					char Addr[100];
					Tel_Format_Addr(sockptr, Addr);
					sprintf(msg, "DRATS From %s", Addr);
				}
				else
					strcpy(msg,"Logging in");
			}
			else
			{
				i=sprintf(msg,"%-10s %-10s %2d",
					sockptr->UserPointer->UserName,sockptr->Callsign,sockptr->BPQStream);
			}
		}
		Bufferptr = Cmdprintf(Session, Bufferptr, "%s\r", msg);
	}

	SendCommandReply(Session, REPLYBUFFER, (int)(Bufferptr - (char *)REPLYBUFFER));
}


// Refresh any Web Socket Webmail index display
// Called whenever message database is changed

#ifdef LINBPQ

int DoRefreshWebMailIndex();

int RefreshWebMailIndex()
{
	DoRefreshWebMailIndex();
	return 0;
}

#else

// Have to pass request from BPQMail to DLL as socket can only be accessed in calling process
// Pass request back to WebMail via pipe

// Code must run in bpq32 process, so set flag here and call code from Timer Routine

extern BOOL NeedWebMailRefresh;


DllExport int APIENTRY RefreshWebMailIndex()
{
	NeedWebMailRefresh = 1;
	return 0;
}

#endif

int DoRefreshWebMailIndex()
{
	// Loop through all sockets and pick out WebMail Index Connections

	int i, n;
	struct ConnectionInfo * sockptr;
	struct ConnectionInfo * sockcopy;
	struct TNCINFO * TNC;
	struct TCPINFO * TCP;

#ifndef LINBPQ
	NeedWebMailRefresh = 0;
#endif

	for (i = 0; i < 33; i++)
	{
		TNC = TNCInfo[i];

		if (TNC && TNC->Hardware == H_TELNET)
		{
			TCP = TNC->TCPInfo;

			if (TCP)
			{
				for (n = 0; n <= TCP->MaxSessions; n++)
				{
					sockptr = TNC->Streams[n].ConnectionInfo;

					if (sockptr->SocketActive)
					{
						if (sockptr->HTTPMode && sockptr->WebSocks  && memcmp(sockptr->WebURL, "WMRefresh", 9) == 0)
						{
							sockcopy = malloc(sizeof(struct ConnectionInfo));
							sockptr->TNC = TNC;
							sockptr->LastSendTime = REALTIMETICKS;

							memcpy(sockcopy, sockptr, sizeof(struct ConnectionInfo));

							_beginthread(ProcessWebmailWebSockThread, 2048000, (VOID *)sockcopy);				// Needs big stack
						}
					}
				}
			}
		}
	}
	return 0;
}