382 lines
9.8 KiB
C++
382 lines
9.8 KiB
C++
//==============================================================;
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//
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// This source code is only intended as a supplement to existing Microsoft documentation.
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//
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//
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//
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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//
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//
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//
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//==============================================================;
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#include <objbase.h>
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#include <assert.h>
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#include "Registry.h"
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#define STRINGS_ONLY
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#include "globals.h"
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////////////////////////////////////////////////////////
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//
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// Internal helper functions prototypes
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//
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// Set the given key and its value.
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BOOL setKeyAndValue(const _TCHAR* pszPath,
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const _TCHAR* szSubkey,
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const _TCHAR* szValue) ;
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// Set the given key and its value in the MMC Snapin location
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BOOL setSnapInKeyAndValue(const _TCHAR* szKey,
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const _TCHAR* szSubkey,
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const _TCHAR* szName,
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const _TCHAR* szValue);
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// Set the given valuename under the key to value
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BOOL setValue(const _TCHAR* szKey,
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const _TCHAR* szValueName,
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const _TCHAR* szValue);
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// Delete szKeyChild and all of its descendents.
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LONG recursiveDeleteKey(HKEY hKeyParent, const _TCHAR* szKeyChild) ;
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////////////////////////////////////////////////////////
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//
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// Constants
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//
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// Size of a CLSID as a string
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//const int CLSID_STRING_SIZE = 39 ;
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/////////////////////////////////////////////////////////
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//
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// Public function implementation
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//
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//
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// Register the component in the registry.
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//
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HRESULT RegisterServer(HMODULE hModule, // DLL module handle
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const CLSID& clsid, // Class ID
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const _TCHAR* szFriendlyName) // IDs
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{
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// Get server location.
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_TCHAR szModule[512] ;
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DWORD dwResult =
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::GetModuleFileName(hModule,
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szModule,
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sizeof(szModule)/sizeof(_TCHAR)) ;
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assert(dwResult != 0) ;
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// Get CLSID
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LPOLESTR wszCLSID = NULL ;
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HRESULT hr = StringFromCLSID(clsid, &wszCLSID) ;
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assert(SUCCEEDED(hr)) ;
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MAKE_TSTRPTR_FROMWIDE(pszCLSID, wszCLSID);
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// Build the key CLSID\\{...}
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_TCHAR szKey[64] ;
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_tcscpy(szKey, _T("CLSID\\")) ;
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_tcscat(szKey, pszCLSID) ;
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// Add the CLSID to the registry.
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setKeyAndValue(szKey, NULL, szFriendlyName) ;
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// Add the server filename subkey under the CLSID key.
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setKeyAndValue(szKey, _T("InprocServer32"), szModule) ;
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// set the threading model
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_tcscat(szKey, _T("\\InprocServer32"));
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setValue(szKey, _T("ThreadingModel"), _T("Apartment"));
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// Free memory.
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CoTaskMemFree(wszCLSID) ;
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return S_OK ;
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}
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//
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// Remove the component from the registry.
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//
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LONG UnregisterServer(const CLSID& clsid) // IDs
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{
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// Get CLSID
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LPOLESTR wszCLSID = NULL ;
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HRESULT hr = StringFromCLSID(clsid, &wszCLSID) ;
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// Build the key CLSID\\{...}
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_TCHAR szKey[64] ;
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_tcscpy(szKey, _T("CLSID\\")) ;
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MAKE_TSTRPTR_FROMWIDE(pszT, wszCLSID);
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_tcscat(szKey, pszT) ;
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// Delete the CLSID Key - CLSID\{...}
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LONG lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, szKey) ;
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assert((lResult == ERROR_SUCCESS) ||
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(lResult == ERROR_FILE_NOT_FOUND)) ; // Subkey may not exist.
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// Free memory.
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CoTaskMemFree(wszCLSID) ;
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return S_OK ;
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}
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//
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// Register the snap-in in the registry.
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//
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HRESULT RegisterSnapin(const CLSID& clsid, // Class ID
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const _TCHAR* szNameString, // NameString
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const CLSID& clsidAbout, // Class Id for About Class
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const BOOL fSupportExtensions)
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{
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// Get CLSID
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LPOLESTR wszCLSID = NULL ;
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LPOLESTR wszAboutCLSID = NULL;
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HRESULT hr = StringFromCLSID(clsid, &wszCLSID) ;
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MAKE_TSTRPTR_FROMWIDE(pszCLSID, wszCLSID);
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// Add the CLSID to the registry.
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setSnapInKeyAndValue(pszCLSID, NULL, _T("NameString"), szNameString) ;
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setSnapInKeyAndValue(pszCLSID, _T("StandAlone"), NULL, NULL);
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if (IID_NULL != clsidAbout) {
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hr = StringFromCLSID(clsidAbout, &wszAboutCLSID);
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MAKE_TSTRPTR_FROMWIDE(pszAboutCLSID, wszAboutCLSID);
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setSnapInKeyAndValue(pszCLSID, NULL, _T("About"), pszAboutCLSID);
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}
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if (fSupportExtensions) {
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// Build the key NodeType
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setSnapInKeyAndValue(pszCLSID, _T("NodeTypes"), NULL, NULL);
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_TCHAR szKey[64] ;
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_tcscpy(szKey, pszCLSID) ;
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_tcscat(szKey, _T("\\NodeTypes")) ;
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setSnapInKeyAndValue(szKey, pszCLSID, NULL, NULL);
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}
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// Free memory.
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CoTaskMemFree(wszCLSID) ;
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if (IID_NULL != clsidAbout)
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CoTaskMemFree(wszAboutCLSID);
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return S_OK ;
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}
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//
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// Unregister the snap-in in the registry.
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//
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HRESULT UnregisterSnapin(const CLSID& clsid) // Class ID
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{
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_TCHAR szKeyBuf[1024];
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LPOLESTR wszCLSID = NULL;
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// Get CLSID
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HRESULT hr = StringFromCLSID(clsid, &wszCLSID);
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MAKE_TSTRPTR_FROMWIDE(pszCLSID, wszCLSID);
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// Load the buffer with the Snap-In Location
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_tcscpy(szKeyBuf, _T("SOFTWARE\\Microsoft\\MMC\\SnapIns"));
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// Copy keyname into buffer.
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_tcscat(szKeyBuf, _T("\\"));
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_tcscat(szKeyBuf, pszCLSID);
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// Delete the CLSID Key - CLSID\{...}
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LONG lResult = recursiveDeleteKey(HKEY_LOCAL_MACHINE, szKeyBuf);
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assert((lResult == ERROR_SUCCESS) ||
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(lResult == ERROR_FILE_NOT_FOUND)) ; // Subkey may not exist.
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// free the memory
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CoTaskMemFree(wszCLSID);
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return S_OK;
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}
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//
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// Delete a key and all of its descendents.
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//
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LONG recursiveDeleteKey(HKEY hKeyParent, // Parent of key to delete
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const _TCHAR* lpszKeyChild) // Key to delete
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{
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// Open the child.
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HKEY hKeyChild ;
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LONG lRes = RegOpenKeyEx(hKeyParent, lpszKeyChild, 0,
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KEY_ALL_ACCESS, &hKeyChild) ;
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if (lRes != ERROR_SUCCESS)
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{
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return lRes ;
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}
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// Enumerate all of the decendents of this child.
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FILETIME time ;
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_TCHAR szBuffer[256] ;
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DWORD dwSize = 256 ;
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while (RegEnumKeyEx(hKeyChild, 0, szBuffer, &dwSize, NULL,
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NULL, NULL, &time) == S_OK)
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{
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// Delete the decendents of this child.
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lRes = recursiveDeleteKey(hKeyChild, szBuffer) ;
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if (lRes != ERROR_SUCCESS)
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{
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// Cleanup before exiting.
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RegCloseKey(hKeyChild) ;
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return lRes;
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}
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dwSize = 256 ;
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}
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// Close the child.
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RegCloseKey(hKeyChild) ;
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// Delete this child.
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return RegDeleteKey(hKeyParent, lpszKeyChild) ;
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}
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//
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// Create a key and set its value.
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// - This helper function was borrowed and modifed from
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// Kraig Brockschmidt's book Inside OLE.
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//
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BOOL setKeyAndValue(const _TCHAR* szKey,
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const _TCHAR* szSubkey,
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const _TCHAR* szValue)
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{
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HKEY hKey;
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_TCHAR szKeyBuf[1024] ;
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// Copy keyname into buffer.
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_tcscpy(szKeyBuf, szKey) ;
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// Add subkey name to buffer.
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if (szSubkey != NULL)
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{
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_tcscat(szKeyBuf, _T("\\")) ;
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_tcscat(szKeyBuf, szSubkey ) ;
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}
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// Create and open key and subkey.
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long lResult = RegCreateKeyEx(HKEY_CLASSES_ROOT ,
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szKeyBuf,
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0, NULL, REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS, NULL,
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&hKey, NULL) ;
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if (lResult != ERROR_SUCCESS)
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{
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return FALSE ;
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}
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// Set the Value.
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if (szValue != NULL)
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{
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RegSetValueEx(hKey, NULL, 0, REG_SZ,
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(BYTE *)szValue,
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(_tcslen(szValue)+1)*sizeof(_TCHAR)) ;
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}
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RegCloseKey(hKey) ;
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return TRUE ;
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}
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//
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// Open a key value and set it
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//
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BOOL setValue(const _TCHAR* szKey,
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const _TCHAR* szValueName,
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const _TCHAR* szValue)
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{
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HKEY hKey;
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_TCHAR szKeyBuf[1024] ;
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// Copy keyname into buffer.
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_tcscpy(szKeyBuf, szKey) ;
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// Create and open key and subkey.
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long lResult = RegCreateKeyEx(HKEY_CLASSES_ROOT ,
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szKeyBuf,
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0, NULL, REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS, NULL,
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&hKey, NULL) ;
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if (lResult != ERROR_SUCCESS)
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{
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return FALSE ;
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}
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// Set the Value.
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if (szValue != NULL)
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{
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RegSetValueEx(hKey, szValueName, 0, REG_SZ,
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(BYTE *)szValue,
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(_tcslen(szValue)+1)*sizeof(_TCHAR)) ;
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}
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RegCloseKey(hKey) ;
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return TRUE ;
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}
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//
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// Create a key and set its value.
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// - This helper function was borrowed and modifed from
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// Kraig Brockschmidt's book Inside OLE.
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//
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BOOL setSnapInKeyAndValue(const _TCHAR* szKey,
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const _TCHAR* szSubkey,
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const _TCHAR* szName,
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const _TCHAR* szValue)
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{
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HKEY hKey;
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_TCHAR szKeyBuf[1024] ;
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// Load the buffer with the Snap-In Location
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_tcscpy(szKeyBuf, _T("SOFTWARE\\Microsoft\\MMC\\SnapIns"));
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// Copy keyname into buffer.
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_tcscat(szKeyBuf, _T("\\")) ;
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_tcscat(szKeyBuf, szKey) ;
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// Add subkey name to buffer.
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if (szSubkey != NULL)
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{
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_tcscat(szKeyBuf, _T("\\")) ;
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_tcscat(szKeyBuf, szSubkey ) ;
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}
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// Create and open key and subkey.
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long lResult = RegCreateKeyEx(HKEY_LOCAL_MACHINE ,
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szKeyBuf,
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0, NULL, REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS, NULL,
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&hKey, NULL) ;
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if (lResult != ERROR_SUCCESS)
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{
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return FALSE ;
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}
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// Set the Value.
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if (szValue != NULL)
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{
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RegSetValueEx(hKey, szName, 0, REG_SZ,
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(BYTE *)szValue,
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(_tcslen(szValue)+1)*sizeof(_TCHAR)) ;
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}
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RegCloseKey(hKey) ;
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return TRUE ;
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}
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