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TelnetV6.c
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TelnetV6.c
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/*
Copyright 2001-2018 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
#define _USE_32BIT_TIME_T
#include <stdio.h>
#include <stdlib.h>
#include "time.h"
#include "kernelresource.h"
#define IDM_DISCONNECT 2000
#define IDM_LOGGING 2100
#define MAXBLOCK 4096
#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 "telnetserver.h"
#define MAX_PENDING_CONNECTS 4
extern UCHAR LogDirectory[];
extern char * PortConfig[];
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);
int ProcessHTTPMessage(struct ConnectionInfo * conn);
static VOID SetupListenSet(struct TNCINFO * TNC);
int IntDecodeFrame(MESSAGE * msg, char * buffer, int Stamp, UINT Mask, BOOL APRS, BOOL MCTL);
DllExport int APIENTRY SetTraceOptionsEx(int mask, int mtxparam, int mcomparam, int monUIOnly);
int WritetoConsoleLocal(char * buff);
BOOL TelSendPacket(int Stream, struct STREAMINFO * STREAM, UINT * buffptr);
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;
#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;
#endif
extern int REALTIMETICKS;
extern struct TNCINFO * TNCInfo[34]; // Records are Malloc'd
#define MaxSockets 26
struct UserRec RelayUser;
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;
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);
unsigned long _beginthread( void( *start_address )(), unsigned stack_size, struct TNCINFO * arglist);
#ifndef LINBPQ
LRESULT CALLBACK TelWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
#endif
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, int SocketId);
static int Socket_Data(struct TNCINFO * TNC, int 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 = 14;
#ifdef WIN32
int DeleteTelnetLogFiles()
{
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, "/logs/Telnet*.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 = (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);
strcpy(szDir, GetLogDirectory());
strcat(szDir, "/logs/CMSAccess_*.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 = (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);
dwError = GetLastError();
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) && 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)
{
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)
{
UCHAR PortInfo[1500] = {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();
ptr += sprintf(ptr, "%d|", p);
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, 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 = 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,"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,"CloseOnDisconnect") == 0)
TCP->DisconnectOnClose = atoi(value);
else
if (_stricmp(param,"TCPPORT") == 0)
TCP->TCPPort = 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,"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,"RELAYAPPL") == 0)
{
TCP->RelayPort = 8772;
strcpy(TCP->RelayAPPL, value);
strcat(TCP->RelayAPPL, "\r");
}
else
// if (strcmp(param,"LOGINRESPONSE") == 0) cfgLOGINRESPONSE = value;
// if (strcmp(param,"PASSWORDRESPONSE") == 0) cfgPASSWORDRESPONSE = value;
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 = 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,"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 = malloc(4);
else
TCP->UserRecPtr = realloc(TCP->UserRecPtr, (TCP->NumberofUsers+1)*4);
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
return FALSE;
return TRUE;
}
static int MaxStreams = 26;
struct TNCINFO * CreateTTYInfo(int port, int speed);
BOOL OpenConnection(int);
BOOL SetupConnection(int);
BOOL CloseConnection(struct TNCINFO * conn);
BOOL WriteCommBlock(struct TNCINFO * TNC);
BOOL DestroyTTYInfo(int port);
void CheckRX(struct TNCINFO * TNC);
VOID TelnetPoll(int Port);
VOID ProcessDEDFrame(struct TNCINFO * TNC, UCHAR * rxbuff, int len);
VOID ProcessTermModeResponse(struct TNCINFO * TNC);
VOID DoTNCReinit(struct TNCINFO * TNC);
VOID DoTermModeTimeout(struct TNCINFO * TNC);
VOID ProcessPacket(struct TNCINFO * TNC, UCHAR * rxbuffer, int Len);
VOID ProcessKPacket(struct TNCINFO * TNC, UCHAR * rxbuffer, int Len);
VOID ProcessKHOSTPacket(struct TNCINFO * TNC, UCHAR * rxbuffer, int Len);
VOID ProcessKNormCommand(struct TNCINFO * TNC, UCHAR * rxbuffer);
VOID ProcessHostFrame(struct TNCINFO * TNC, UCHAR * rxbuffer, int Len);
VOID DoMonitor(struct TNCINFO * TNC, UCHAR * Msg, int Len);
static VOID WritetoTrace(int Stream, char * Msg, int Len)
{
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 = 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);
}
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);
}
}
}
}
static int ExtProc(int fn, int port,unsigned char * buff)
{
int txlen = 0, n;
UINT * 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 ferquently in some circimstances
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 && sockptr->HTTPMode && sockptr->LastSendTime)
{
if ((REALTIMETICKS -sockptr->LastSendTime) > 1500) // ~ 2.5 mins
{
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[4] = 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=buffptr[1];
buff[4] = Stream;
buff[7] = 0xf0;
memcpy(&buff[8],buffptr+2,datalen); // Data goes to +7, but we have an extra byte
datalen+=8;
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[4];
STREAM = &TNC->Streams[Stream];
txlen = GetLengthfromBuffer(buff) - 8;
buffptr[1] = txlen;
memcpy(buffptr+2, &buff[8], 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)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;
ProcessConfig();
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);