Leaked source code of windows server 2003
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

132 lines
4.4 KiB

#include <windows.h>
#include <tchar.h>
#include <atlbase.h>
#include <atlimpl.cpp>
#define CLSID_LENGTH 256
#define MAX_PATH_LEN 2048
const CHAR g_MMCVBSnapinsKey[] = "Software\\Microsoft\\Visual Basic\\6.0\\SnapIns";
const CHAR g_MMCKey[] = "Software\\Microsoft\\MMC";
const CHAR g_SnapIns[] = "SnapIns";
const CHAR g_NodeTypes[] = "NodeTypes";
// Remove the MMC VB snapin entries from the registry
int __cdecl main(int argc, char* argv[])
{
HRESULT hr = CoInitialize(NULL);
if (FAILED(hr))
return 0;
BOOL bOleInitialized = TRUE;
do
{
// Open HKLM\Software\Microsoft\Visual Basic\6.0\SnapIns.
LONG lRetVal = 0;
ATL::CRegKey regVBSnapinsKey;
lRetVal = regVBSnapinsKey.Open(HKEY_LOCAL_MACHINE, g_MMCVBSnapinsKey, KEY_READ);
// If no VB Snapins then return.
if (ERROR_SUCCESS != lRetVal)
break;
ATL::CRegKey regCLSIDKey;
lRetVal = regCLSIDKey.Open(HKEY_CLASSES_ROOT, "CLSID");
ATLASSERT(ERROR_SUCCESS == lRetVal);
if (ERROR_SUCCESS != lRetVal)
break;
ATL::CRegKey regMMCKey;
// Open the other required keys.
lRetVal = regMMCKey.Open(HKEY_LOCAL_MACHINE, g_MMCKey, KEY_READ | KEY_WRITE);
// If MMC Key remove VB Snapins key.
if (ERROR_SUCCESS != lRetVal)
{
// BUGBUG
break;
}
// Enumerate the regVBSnapinsKey, this yields NodeTypeGuid key with
// default value as snapin class id.
CHAR szNodeType[CLSID_LENGTH];
CHAR szClsid[CLSID_LENGTH];
DWORD dwLength;
for (DWORD dwIndex = 0; TRUE; dwIndex++)
{
lRetVal = RegEnumKeyEx( (HKEY)regVBSnapinsKey, 0, szNodeType, &dwLength, NULL, NULL, NULL, NULL);
if ( (lRetVal == ERROR_NO_MORE_ITEMS) ||
(lRetVal != ERROR_SUCCESS) )
break;
// Got the NodeTypeGuid value, now open that key.
ATL::CRegKey regTempKey;
lRetVal = regTempKey.Open((HKEY)regVBSnapinsKey, szNodeType, KEY_READ);
if (ERROR_SUCCESS != lRetVal)
continue;
// Read the default value (Snapin CLSID).
dwLength = CLSID_LENGTH;
lRetVal = regTempKey.QueryValue(szClsid, NULL, &dwLength);
if (ERROR_SUCCESS != lRetVal)
continue;
#if 0 // Disable this code for this release
// Now we have the snapin class id
// Find the inproc server, Load it and call its DllUnRegisterServer
lRetVal = regTempKey.Open((HKEY) regCLSIDKey, szClsid, KEY_READ);
ATLASSERT(ERROR_SUCCESS == lRetVal);
if (ERROR_SUCCESS != lRetVal)
continue;
lRetVal = regTempKey.Open((HKEY) regTempKey, TEXT("InprocServer32"), KEY_READ);
ATLASSERT(ERROR_SUCCESS == lRetVal);
if (ERROR_SUCCESS != lRetVal)
continue;
TCHAR szPath[MAX_PATH_LEN];
dwLength = MAX_PATH_LEN;
lRetVal = regTempKey.QueryValue(szPath, NULL, &dwLength);
ATLASSERT(ERROR_SUCCESS == lRetVal);
if (ERROR_SUCCESS != lRetVal)
continue;
HINSTANCE hInstance = LoadLibraryEx(szPath, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
if (hInstance && bOleInitialized)
{
HRESULT (STDAPICALLTYPE* lpDllEntryPoint)(void);
(FARPROC&) lpDllEntryPoint = GetProcAddress(hInstance, "DllUnregisterServer");
if (lpDllEntryPoint)
hr = (*lpDllEntryPoint)();
FreeLibrary(hInstance);
}
#endif // #if 0
// Now we have snapin class id and nodetype guid. Delete them under mmc key.
lRetVal = regTempKey.Open((HKEY) regMMCKey, g_NodeTypes);
ATLASSERT(ERROR_SUCCESS == lRetVal);
if (ERROR_SUCCESS != lRetVal)
continue;
regTempKey.RecurseDeleteKey(szNodeType);
lRetVal = regTempKey.Open((HKEY) regMMCKey, g_SnapIns);
ATLASSERT(ERROR_SUCCESS == lRetVal);
if (ERROR_SUCCESS != lRetVal)
continue;
regTempKey.RecurseDeleteKey(szClsid);
regCLSIDKey.RecurseDeleteKey(szClsid);
// Finally delete the key under enumerator
regVBSnapinsKey.RecurseDeleteKey(szNodeType);
}
} while ( FALSE );
if (bOleInitialized)
CoUninitialize();
return 1;
}