windows-server-2003/net/rras/ras/ui/rasdlg/main.c

// Copyright (c) 1995, Microsoft Corporation, all rights reserved
//
// main.c
// Remote Access Common Dialog APIs
// Main routines
//
// 06/20/95 Steve Cobb


#include "rasdlgp.h"
#include "treelist.h" // for TL_Init: RasMonitorDlg only
#define INCL_ENCRYPT
#include <rassrvp.h>  // [pmay] private header merges this project with ras server ui

//-----------------------------------------------------------------------------
// Rasdlg globals
//-----------------------------------------------------------------------------

// IMPORTANT: No globals may be defined that do not work properly when the DLL
//            is called by multiple threads within a single process.
//

// Handle of the DLL instance set from the corresponding DllMain parameter.
//
HINSTANCE g_hinstDll = NULL;

// The atom identifying our context property suitable for use by the Windows
// XxxProp APIs.  A Prop is used to associate context information with a
// property sheet.  The atom is registered in DllMain.
//
LPCTSTR g_contextId = NULL;

// The handle of the RAS wizard bitmap.  This is needed only because
// DLGEDIT.EXE is currently unable to produce the RC syntax necessary to
// create a self-contained SS_BITMAP control, so the image must be set at
// run-time.  See also SetWizardBitmap().
//
HBITMAP g_hbmWizard = NULL;

// The name of the on-line help file.  Initialized in DllMain.
//
TCHAR* g_pszHelpFile = NULL;

// The name of the on-line ROUTER help file.  Initialized in DllMain.
//
TCHAR* g_pszRouterHelpFile = NULL;

// Count of RasDial callbacks active and the flag telling the dialer to
// terminate them ASAP, plus the mutex that protects these fields.
//
LONG g_ulCallbacksActive = 0L;   //Change this for whistler bug 341662   gangz
BOOL g_fTerminateAsap = FALSE;

//for XPSP2 511810, .Net 668164
CRITICAL_SECTION g_csCallBacks;

// For whistler 460931
CRITICAL_SECTION  g_csDiagTab;

// ----------------------------------------------------------------------------
// Rasdlg DLL entrypoint
// ----------------------------------------------------------------------------

BOOL
DllMain(
    HANDLE hinstDll,
    DWORD fdwReason,
    LPVOID lpReserved )

    // This routine is called by the system on various events such as the
    // process attachment and detachment.  See Win32 DllEntryPoint
    // documentation.
    //
    // Returns true if successful, false otherwise.
    //
{
    if (fdwReason == DLL_PROCESS_ATTACH)
    {
        // Initialize trace and assert support.
        //
        DEBUGINIT( "RASDLG" );

        // Initialize fusion
        // For whistler bug 349866
        //
         SHFusionInitializeFromModuleID(hinstDll, 128);


        // Stash the DLL instance handle for use in the dialog/window calls
        // later.
        //
        g_hinstDll = hinstDll;

        // Register the context ID atom for use in the Windows XxxProp calls
        // which are used to associate a context with a dialog window handle.
        //
        g_contextId = (LPCTSTR )GlobalAddAtom( TEXT("RASDLG") );
        if (!g_contextId)
            return FALSE;

        //[gangz] For whistler 460931
        __try
        {
            InitializeCriticalSection( & g_csDiagTab );
        }
         __except(EXCEPTION_EXECUTE_HANDLER)
        {
            return FALSE;    
         }

        //for XPSP2 511810, .Net 668164
        // CriticalSection protecting count of active RasDial callbacks.
        //
        __try
        {
            InitializeCriticalSection( &g_csCallBacks);
        }
         __except(EXCEPTION_EXECUTE_HANDLER)
        {
            return FALSE;    
         }

        // Initialize the TreeList custom control
        //
        TL_Init( hinstDll );

        // Load the name of our on-line help file.
        //
        g_pszHelpFile = PszFromId( hinstDll, SID_HelpFile );

        // Load the name of our on-line help file.
        //
        g_pszRouterHelpFile = PszFromId( hinstDll, SID_RouterHelpFile );

        // Initialize the Phonebook library.
        //
        if (InitializePbk() != 0)
        {
            return FALSE;
        }

        // [pmay] Allow the ras server ui to initialize
        RassrvHandleProcessAttach(hinstDll, lpReserved);
    }
    else if (fdwReason == DLL_PROCESS_DETACH)
    {
        
        //[gangz] for whistler bug 460931
        DeleteCriticalSection( & g_csDiagTab );

        //for .net 511810
        DeleteCriticalSection( & g_csCallBacks);

        // [pmay] Allow the ras server ui to cleanup
        RassrvHandleProcessDetach(hinstDll, lpReserved);

        // Remove the context ID atom we registered at initialization.
        //
        GlobalDeleteAtom( LOWORD( g_contextId ) );

        // Unload the wizard bitmap.
        //
        if (g_hbmWizard)
            DeleteObject( (HGDIOBJ )g_hbmWizard );

        // Free the on-line help file string.
        //
        Free0( g_pszHelpFile );
        Free0( g_pszRouterHelpFile );

        /* Uninitialize the Phonebook library.
        */
        TerminatePbk();

        /* Unload dynamically loaded DLLs, if any.
        */
        UnloadRas();

        //For whistler bug 349866
        //
        SHFusionUninitialize();


        /* Terminate trace and assert support.
        */
        DEBUGTERM();
    }

    return TRUE;
}