BOOL CHttpRequest::IsConnected()
{
ODS(_T("XFILTER.EXE: Internet Check Connected..."));
RASCONN lpRasConn;
RASCONNSTATUS rasStatus;
DWORD cbBuf = 0;
DWORD cConn = 0;
DWORD dwRet = 0;
cbBuf = sizeof(RASCONN);
lpRasConn.dwSize = sizeof(RASCONN );
dwRet = RasEnumConnections(&lpRasConn, &cbBuf, &cConn );
if ( dwRet != 0 )
return FALSE;
else
{
rasStatus.dwSize = sizeof(RASCONNSTATUS);
RasGetConnectStatus(lpRasConn.hrasconn,&rasStatus);
if (rasStatus.rasconnstate==RASCS_Connected)
return TRUE;
else
return FALSE;
}
return TRUE;
}
void CScheduler::HangUpConnection()
{
DWORD dwCb = sizeof( RASCONN );
DWORD dwConnections = 0;
RASCONN* lpRasConn = NULL;
LPRASCONNSTATUS RasConStatus = 0;
for (;;)
{
// Free the memory if necessary.
if ( lpRasConn != NULL )
{
HeapFree( GetProcessHeap(), 0, lpRasConn );
lpRasConn = NULL;
}
// Allocate the size needed for the RAS structure.
lpRasConn = (RASCONN*)HeapAlloc( GetProcessHeap(), 0, dwCb );
if ( ! lpRasConn )
// Out of memory
return;
// Set the first structure size for version checking purposes.
lpRasConn->dwSize = sizeof( RASCONN );
// Call the RAS API
DWORD ret = RasEnumConnections( lpRasConn, &dwCb, &dwConnections );
if ( ret == 0 )
// Ok
break;
if ( ret == ERROR_NOT_ENOUGH_MEMORY )
// Re-allocate more memory
continue;
// Error
return;
}
DWORD loop = 0;
for ( DWORD i = 0; i < dwConnections; ++i ) // Loop through all current connections
{
RasHangUp( lpRasConn[i].hrasconn ); // Hang up the connection
while( ( RasGetConnectStatus( lpRasConn[i].hrasconn,RasConStatus ) || ( loop > 10 ) ) )
{
// Loop until the connection handle is invalid, or 3 seconds have passed
Sleep( 300 );
loop++;
}
}
// Free the memory if necessary.
if ( lpRasConn != NULL )
{
HeapFree( GetProcessHeap(), 0, lpRasConn );
lpRasConn = NULL;
}
}
// Figure out which Dial-Up or VPN connection is active; in a normal LAN connection, this should
// return NULL
LPTSTR FindActiveConnection() {
DWORD dwCb = sizeof(RASCONN);
DWORD dwErr = ERROR_SUCCESS;
DWORD dwRetries = 5;
DWORD dwConnections = 0;
RASCONN* lpRasConn = NULL;
RASCONNSTATUS rasconnstatus;
rasconnstatus.dwSize = sizeof(RASCONNSTATUS);
//
// Loop through in case the information from RAS changes between calls.
//
while (dwRetries--) {
// If the memory is allocated, free it.
if (NULL != lpRasConn) {
HeapFree(GetProcessHeap(), 0, lpRasConn);
lpRasConn = NULL;
}
// Allocate the size needed for the RAS structure.
lpRasConn = (RASCONN*)HeapAlloc(GetProcessHeap(), 0, dwCb);
if (NULL == lpRasConn) {
dwErr = ERROR_NOT_ENOUGH_MEMORY;
break;
}
// Set the structure size for version checking purposes.
lpRasConn->dwSize = sizeof(RASCONN);
// Call the RAS API then exit the loop if we are successful or an unknown
// error occurs.
dwErr = RasEnumConnections(lpRasConn, &dwCb, &dwConnections);
if (ERROR_INSUFFICIENT_BUFFER != dwErr) {
break;
}
}
//
// In the success case, print the names of the connections.
//
if (ERROR_SUCCESS == dwErr) {
DWORD i;
for (i = 0; i < dwConnections; i++) {
RasGetConnectStatus(lpRasConn[i].hrasconn, &rasconnstatus);
if (rasconnstatus.rasconnstate == RASCS_Connected){
return lpRasConn[i].szEntryName;
}
}
}
return NULL; // Couldn't find an active dial-up/VPN connection; return NULL
}
static void hangup ( HRASCONN hRasConn )
{
int i;
RASCONNSTATUS rasStatus;
DWORD st;
if ( hRasConn == NULL )
return;
RasHangUp ( hRasConn );
rasStatus.dwSize = sizeof(RASCONNSTATUS);
for ( i = st = 0;
i < 6 && (i == 0 || st != ERROR_INVALID_HANDLE); i ++ )
{
Sleep ( 500 );
st = RasGetConnectStatus ( hRasConn, &rasStatus );
}
}
bool CHttpReqSocket::IsInternetConnected ()
{
return true; // MCH 17.09.04 (what the heck...)
//////////////////////////////////////////////////////////////
DWORD dwState;
InternetGetConnectedState (&dwState, 0);
if (dwState & INTERNET_CONNECTION_LAN)
return true;
else
{
bool bConnected = false;
RASCONN rasConn;
rasConn.dwSize = sizeof (RASCONN);
DWORD dwBufSize = sizeof (RASCONN);
DWORD dwNumConns;
if (RasEnumConnections (&rasConn, &dwBufSize, &dwNumConns) == 0)
{
// RasEnumConnections succeeded
RASCONNSTATUS rasConnStatus;
for (UINT i = 0; i < dwNumConns; i++)
{
rasConnStatus.dwSize = sizeof (RASCONNSTATUS);
RasGetConnectStatus (rasConn.hrasconn, &rasConnStatus);
if (rasConnStatus.rasconnstate == RASCS_Connected)
{
bConnected = true;
break;
}
}
}
return bConnected;
}
}
static DWORD ShutdownNow(BYTE shutdownType)
{
DWORD dwErrCode = ERROR_SUCCESS;
switch (shutdownType) {
case SDSDT_CLOSEMIRANDA:
if (!Miranda_Terminated()) {
/* waiting for short until ready (but not too long...) */
DWORD dwLastTickCount = GetTickCount();
while (!CallService(MS_SYSTEM_OKTOEXIT, 0, 0)) {
/* infinite loop protection (max 5 sec) */
if (GetTickCount() - dwLastTickCount >= 5000) { /* wraparound works */
OutputDebugStringA("Timeout (5 sec)\n"); /* tell others, all ascii */
break;
}
SleepEx(1000, TRUE);
if (Miranda_Terminated()) break; /* someone else did it */
OutputDebugStringA("Not ready to exit. Waiting...\n"); /* tell others, all ascii */
}
/* shutdown service must be called from main thread anyway */
if (!DestroyWindow(pcli->hwndContactList))
dwErrCode = GetLastError();
}
break;
case SDSDT_SETMIRANDAOFFLINE:
/* set global status mode to offline (is remembered by Miranda on exit) */
CallService(MS_CLIST_SETSTATUSMODE, (WPARAM)ID_STATUS_OFFLINE, 0);
break;
case SDSDT_STANDBY:
case SDSDT_HIBERNATE:
WinNT_SetPrivilege(SE_SHUTDOWN_NAME, TRUE);
if (!SetSystemPowerState(shutdownType == SDSDT_STANDBY, TRUE))
dwErrCode = GetLastError();
WinNT_SetPrivilege(SE_SHUTDOWN_NAME, FALSE);
break;
case SDSDT_LOCKWORKSTATION:
if (!IsWorkstationLocked())
dwErrCode = GetLastError();
break;
case SDSDT_CLOSERASCONNECTIONS:
ShutdownNow(SDSDT_SETMIRANDAOFFLINE); /* set Miranda offline */
/* hang up all ras connections */
{
DWORD dwRetries;
RASCONNSTATUS rcs;
DWORD dw, dwLastTickCount;
DWORD dwConnSize = sizeof(RASCONN);
DWORD dwConnItems = 0;
RASCONN *paConn = (RASCONN*)mir_alloc(dwConnSize);
dwErrCode = ERROR_NOT_ENOUGH_MEMORY;
if (paConn != NULL) {
for (dwRetries = 5; dwRetries != 0; dwRetries--) { /* prevent infinite loop (rare) */
memset(paConn, 0, dwConnSize);
paConn[0].dwSize = sizeof(RASCONN);
dwErrCode = RasEnumConnections(paConn, &dwConnSize, &dwConnItems);
if (dwErrCode != ERROR_BUFFER_TOO_SMALL) break;
RASCONN *paConnBuf = (RASCONN*)mir_realloc(paConn, dwConnSize);
if (paConnBuf == NULL) {
mir_free(paConn);
paConn = NULL;
dwErrCode = ERROR_NOT_ENOUGH_MEMORY;
break;
}
paConn = paConnBuf;
}
if (dwErrCode == ERROR_SUCCESS || dwErrCode == ERROR_BUFFER_TOO_SMALL) {
for (dw = 0; dw < dwConnItems; ++dw) {
if (dwErrCode) {
if (RasHangUp(paConn[dw].hrasconn))
paConn[dw].hrasconn = NULL; /* do not wait for on error */
}
else {
dwErrCode = RasHangUp(paConn[dw].hrasconn);
if (!dwErrCode) paConn[dw].hrasconn = NULL; /* do not wait for on error */
}
}
/* RAS does not allow to quit directly after HangUp (see docs) */
dwLastTickCount = GetTickCount();
memset(&rcs, 0, sizeof(RASCONNSTATUS));
rcs.dwSize = sizeof(RASCONNSTATUS);
for (dw = 0; dw < dwConnItems; ++dw) {
if (paConn[dw].hrasconn != NULL) {
while (RasGetConnectStatus(paConn[dw].hrasconn, &rcs) != ERROR_INVALID_HANDLE) {
Sleep(0); /* give rest of time silce to other threads with equal priority */
/* infinite loop protection (3000ms defined in docs) */
dwRetries = GetTickCount();
if (dwRetries - dwLastTickCount > 3000)
break; /* wraparound works */
}
}
}
}
mir_free(paConn); /* does NULL check */
}
}
/* set Miranda to offline again, to remain offline with reconnection plugins */
ShutdownNow(SDSDT_SETMIRANDAOFFLINE);
break;
case SDSDT_REBOOT:
case SDSDT_SHUTDOWN:
if (GetSystemMetrics(SM_SHUTTINGDOWN)) { /* Win2000+, 0 on error */
dwErrCode = ERROR_SHUTDOWN_IN_PROGRESS;
break;
}
/* WinNT4/2000/XP */
{
WinNT_SetPrivilege(SE_SHUTDOWN_NAME, TRUE);
/* does not send out WM_ENDSESSION messages, so we do it manually to
* give the applications the chance to save their data */
WinNT_SetPrivilege(SE_TCB_NAME, TRUE); /* for BSM_ALLDESKTOPS */
BroadcastEndSession(BSM_APPLICATIONS | BSM_ALLDESKTOPS, ENDSESSION_CLOSEAPP); /* app should close itself */
WinNT_SetPrivilege(SE_TCB_NAME, FALSE);
if (!InitiateSystemShutdownEx(NULL, TranslateT("AutoShutdown"), 0, TRUE, shutdownType == SDSDT_REBOOT, SHTDN_REASON_MAJOR_OTHER | SHTDN_REASON_MINOR_OTHER | SHTDN_REASON_FLAG_PLANNED))
dwErrCode = GetLastError();
/* cleanly close Miranda */
if (!dwErrCode) ShutdownNow(SDSDT_CLOSEMIRANDA);
break;
}
/* fall through for Win9x */
case SDSDT_LOGOFF:
{
UINT flags;
switch (shutdownType) {
case SDSDT_LOGOFF: flags = EWX_LOGOFF; break;
case SDSDT_REBOOT: flags = EWX_REBOOT; break;
default: flags = EWX_SHUTDOWN | EWX_POWEROFF;
}
if (shutdownType == SDSDT_LOGOFF && !IsWorkstationLocked())
flags |= EWX_FORCEIFHUNG; /* only considered for WM_ENDSESSION messages */
else
flags |= EWX_FORCE; /* must be used when workstation locked */
if (flags & EWX_FORCE) {
/* EWX_FORCE does not send out WM_ENDSESSION messages, so we do it
* manually to give the applications the chance to save their data */
BroadcastEndSession(BSM_APPLICATIONS, (shutdownType == SDSDT_LOGOFF) ? ENDSESSION_LOGOFF : 0);
/* Windows Me/98/95 (msdn): Because of the design of the shell,
* calling ExitWindowsEx with EWX_FORCE fails to completely log off
* the user (the system terminates the applications and displays the
* Enter Windows Password dialog box, however, the user's desktop remains.)
* To log off the user forcibly, terminate the Explorer process before calling
* ExitWindowsEx with EWX_LOGOFF and EWX_FORCE. */
}
if (!ExitWindowsEx(flags, SHTDN_REASON_MAJOR_OTHER | SHTDN_REASON_MINOR_OTHER | SHTDN_REASON_FLAG_PLANNED))
dwErrCode = GetLastError();
/* cleanly close Miranda */
if (!dwErrCode)
ShutdownNow(SDSDT_CLOSEMIRANDA);
}
break;
}
return dwErrCode;
}
int __cdecl main(int argc, char **argv)
{
LPRASDIALPARAMS lpRasDialParams = NULL;
HRASCONN hRasConn = NULL;
LPRASCONNSTATUS lpRasConnStatus = NULL;
RASPPPIP *lpProjection = NULL;
int i = 0;
int j = 0;
DWORD dwRet = 0;
DWORD cb = sizeof(RASDIALPARAMS);
DWORD dwMaxTickCount = 0;
BOOL fRequired = FALSE;
BOOL fSuccess = FALSE;
TCHAR szTempBuf[256] = {0};
lpRasDialParams = (LPRASDIALPARAMS)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cb);
if (NULL == lpRasDialParams)
{
printf("HeapAlloc failed\n");
return ERROR_OUTOFMEMORY;
}
lpRasDialParams->dwSize = sizeof(RASDIALPARAMS);
// Copy command line arguments into the RASDIALPARAMS structure
if (argc > 1)
{
for(i = 1; i < (argc - 1); i++)
{
if (argv[i] && ((argv[i][0] == '-') || (argv[i][0] == '/')))
{
switch(tolower(argv[i][1]))
{
case 'e': // Entry name
j = ++i;
if (argv[j])
{
StringCchCopy(lpRasDialParams->szEntryName, CELEMS(lpRasDialParams->szEntryName), argv[j]);
fRequired = TRUE;
}
break;
case 'p': // Phone number
j = ++i;
if (argv[j])
{
StringCchCopy(lpRasDialParams->szPhoneNumber, CELEMS(lpRasDialParams->szPhoneNumber), argv[j]);
}
break;
case 'u': // User name
j = ++i;
if (argv[j])
{
StringCchCopy(lpRasDialParams->szUserName, CELEMS(lpRasDialParams->szUserName), argv[j]);
}
break;
case 'z': // Password
j = ++i;
if (argv[j])
{
StringCchCopy(lpRasDialParams->szPassword, CELEMS(lpRasDialParams->szPassword), argv[j]);
}
break;
case 'd': // Domain name
j = ++i;
if (argv[j])
{
StringCchCopy(lpRasDialParams->szDomain, CELEMS(lpRasDialParams->szDomain), argv[j]);
}
break;
default:
Usage(argv[0]);
dwRet = ERROR_INVALID_PARAMETER;
break;
}
}
else
{
Usage(argv[0]);
dwRet = ERROR_INVALID_PARAMETER;
goto done;
}
}
}
else
{
Usage(argv[0]);
dwRet = ERROR_INVALID_PARAMETER;
goto done;
}
// Check if we got at least required entry name
if (FALSE == fRequired)
{
Usage(argv[0]);
dwRet = ERROR_INVALID_PARAMETER;
goto done;
}
printf("Dialing...\n");
// Calling RasDial synchronously
dwRet = RasDial(NULL, NULL, lpRasDialParams, 0, 0L, &hRasConn);
if (dwRet)
{
printf("RasDial failed: Error = %d\n", dwRet);
goto done;
}
lpRasConnStatus = (LPRASCONNSTATUS)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RASCONNSTATUS));
if (NULL == lpRasConnStatus)
{
printf("HeapAlloc failed.\n");
goto disconnect;
}
// Set the appropriate size
lpRasConnStatus->dwSize = sizeof(RASCONNSTATUS);
// Checking connection status using RasGetConnectStatus
dwRet = RasGetConnectStatus(hRasConn, lpRasConnStatus);
if (ERROR_SUCCESS != dwRet)
{
printf("RasGetConnectStatus failed: Error = %d\n", dwRet);
goto disconnect;
}
else
{
// Since the call succeeded, let's see what ras connection state we are in
// by using the RASCONNSTATUS structure.
if (lpRasConnStatus->rasconnstate == RASCS_Connected)
{
ZeroMemory((LPVOID)szTempBuf, sizeof(szTempBuf));
StringCchPrintf(szTempBuf, CELEMS(szTempBuf), "Connection estabilished using %s\n", lpRasConnStatus->szDeviceName);
printf(szTempBuf);
}
else
{
// We don't seem to be connected. Just try to terminate the connection by
// hanging up.
printf("lpRasConnStatus->rasconnstate = %d\n", lpRasConnStatus->rasconnstate);
goto disconnect;
}
}
lpProjection = (RASPPPIP *)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RASPPPIP));
if (NULL == lpProjection)
{
printf("HeapAlloc failed.\n");
dwRet = ERROR_OUTOFMEMORY;
goto disconnect;
}
cb = sizeof(RASPPPIP);
lpProjection->dwSize = cb;
// Getting the Ras client and server IP address using RasGetProjectionInfo
dwRet = RasGetProjectionInfo(hRasConn, RASP_PppIp, lpProjection, &cb);
switch (dwRet)
{
case ERROR_BUFFER_TOO_SMALL:
if (HeapFree(GetProcessHeap(), 0, (LPVOID)lpProjection))
{
lpProjection = (RASPPPIP *)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cb);
if (NULL == lpProjection)
{
printf("HeapAlloc failed.\n");
goto disconnect;
}
dwRet = RasGetProjectionInfo(hRasConn, RASP_PppIp, lpProjection, &cb);
if (ERROR_SUCCESS == dwRet)
{
fSuccess = TRUE;
}
else
{
printf("RasGetProjectionInfo failed: Error %d", dwRet);
goto disconnect;
}
}
else
{
printf("HeapFree failed.\n");
goto disconnect;
}
break;
case ERROR_SUCCESS:
fSuccess = TRUE;
break;
default:
printf("RasGetProjectionInfo failed: Error %d", dwRet);
goto disconnect;
break;
}
if (fSuccess)
{
// Print out the IP addresses
ZeroMemory((LPVOID)szTempBuf, sizeof(szTempBuf));
StringCchPrintf(szTempBuf, CELEMS(szTempBuf), "\nRas Client IP address: %s\n", lpProjection->szIpAddress);
printf(szTempBuf);
ZeroMemory((LPVOID)szTempBuf, sizeof(szTempBuf));
StringCchPrintf(szTempBuf, CELEMS(szTempBuf), "Ras Server IP address: %s\n\n", lpProjection->szServerIpAddress);
printf(szTempBuf);
}
printf("Pausing for 5 seconds before disconnecting...\n");
Sleep(5000);
disconnect:
// Terminating the connection using RasHangUp
dwRet = RasHangUp(hRasConn);
if (ERROR_SUCCESS != dwRet)
{
printf("RasHangUp failed: Error = %d", dwRet);
goto done;
}
// Keep checking for 10 seconds and make sure we are really disconnected.
// Once the connection is disconnected, RasGetConnectStatus returns ERROR_INVALID_HANDLE.
// or our timeout is reached we exit the while loop.
// This gives the RAS API time to make sure the modem hangs up before we exit this process.
// If a process exits with a connected RAS connection, the port could be stranded.
dwMaxTickCount = GetTickCount() + 10000;
while((RasGetConnectStatus(hRasConn, lpRasConnStatus) != ERROR_INVALID_HANDLE) && (dwMaxTickCount > GetTickCount()))
{
Sleep(50);
}
printf("Diconnected\n");
dwRet = ERROR_SUCCESS;
done:
if (lpProjection)
{
HeapFree(GetProcessHeap(), 0, (LPVOID)lpProjection);
}
if (lpRasDialParams)
{
HeapFree(GetProcessHeap(), 0, (LPVOID)lpRasDialParams);
}
if (lpRasConnStatus)
{
HeapFree(GetProcessHeap(), 0, (LPVOID)lpRasConnStatus);
}
return (int)dwRet;
}
