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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#undef _UNICODE
#undef UNICODE
#include <objbase.h>
#include "nsString.h"
#include "Registry.h"
#define MAPI_PROXY_DLL_NAME u"MapiProxy.dll"
#define MAPI_STARTUP_ARG L" /MAPIStartUp"
#define MAX_SIZE 2048
// Size of a CLSID as a string
const int CLSID_STRING_SIZE = 39;
// Proxy/Stub Dll Routines
typedef HRESULT(__stdcall ProxyServer)();
// Convert a CLSID to a WCHAR string.
BOOL CLSIDtoWchar(const CLSID& clsid, WCHAR* szCLSID) {
// Get CLSID
HRESULT hr = StringFromCLSID(clsid, &szCLSID);
if (FAILED(hr)) return FALSE;
return TRUE;
}
// Create a key and set its value.
BOOL setKeyAndValue(nsAutoString keyName, const WCHAR* subKey,
const WCHAR* theValue) {
HKEY hKey;
BOOL retValue = TRUE;
nsAutoString theKey(keyName);
if (subKey != NULL) {
theKey += L"\\";
theKey += subKey;
}
// Create and open key and subkey.
long lResult = RegCreateKeyExW(HKEY_CLASSES_ROOT, theKey.get(), 0, NULL,
REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL,
&hKey, NULL);
if (lResult != ERROR_SUCCESS) return FALSE;
// Set the Value.
if (theValue != NULL) {
lResult = RegSetValueExW(hKey, NULL, 0, REG_SZ, (BYTE*)theValue,
wcslen(theValue) + 1);
if (lResult != ERROR_SUCCESS) retValue = FALSE;
}
RegCloseKey(hKey);
return retValue;
}
// Delete a key and all of its descendents.
LONG recursiveDeleteKey(HKEY hKeyParent, // Parent of key to delete
const WCHAR* lpszKeyChild) // Key to delete
{
// Open the child.
HKEY hKeyChild;
LONG lRes =
RegOpenKeyExW(hKeyParent, lpszKeyChild, 0, KEY_ALL_ACCESS, &hKeyChild);
if (lRes != ERROR_SUCCESS) {
return lRes;
}
// Enumerate all of the descendants of this child.
FILETIME time;
WCHAR szBuffer[MAX_SIZE];
DWORD dwSize = MAX_SIZE;
while (RegEnumKeyExW(hKeyChild, 0, szBuffer, &dwSize, NULL, NULL, NULL,
&time) == S_OK) {
// Delete the descendants of this child.
lRes = recursiveDeleteKey(hKeyChild, szBuffer);
if (lRes != ERROR_SUCCESS) {
// Cleanup before exiting.
RegCloseKey(hKeyChild);
return lRes;
}
dwSize = MAX_SIZE;
}
// Close the child.
RegCloseKey(hKeyChild);
// Delete this child.
return RegDeleteKeyW(hKeyParent, lpszKeyChild);
}
void RegisterProxy() {
HINSTANCE h = NULL;
ProxyServer* RegisterFunc = NULL;
WCHAR szModule[MAX_SIZE];
WCHAR* pTemp = NULL;
HMODULE hModule = GetModuleHandleW(NULL);
DWORD dwResult =
::GetModuleFileNameW(hModule, szModule, sizeof(szModule) / sizeof(WCHAR));
if (dwResult == 0) return;
pTemp = wcsrchr(szModule, L'\\');
if (pTemp == NULL) return;
*pTemp = '\0';
nsAutoString proxyPath(szModule);
proxyPath += u"\\";
proxyPath += MAPI_PROXY_DLL_NAME;
h = LoadLibraryW(proxyPath.get());
if (h == NULL) return;
RegisterFunc = (ProxyServer*)GetProcAddress(h, "DllRegisterServer");
if (RegisterFunc) RegisterFunc();
FreeLibrary(h);
}
void UnRegisterProxy() {
HINSTANCE h = NULL;
ProxyServer* UnRegisterFunc = NULL;
WCHAR szModule[MAX_SIZE];
WCHAR* pTemp = NULL;
HMODULE hModule = GetModuleHandleW(NULL);
DWORD dwResult =
::GetModuleFileNameW(hModule, szModule, sizeof(szModule) / sizeof(WCHAR));
if (dwResult == 0) return;
pTemp = wcsrchr(szModule, L'\\');
if (pTemp == NULL) return;
*pTemp = '\0';
nsAutoString proxyPath(szModule);
proxyPath += u"\\";
proxyPath += MAPI_PROXY_DLL_NAME;
h = LoadLibraryW(proxyPath.get());
if (h == NULL) return;
UnRegisterFunc = (ProxyServer*)GetProcAddress(h, "DllUnregisterServer");
if (UnRegisterFunc) UnRegisterFunc();
FreeLibrary(h);
}
// Register the component in the registry.
HRESULT RegisterServer(const CLSID& clsid, // Class ID
const WCHAR* szFriendlyName, // Friendly Name
const WCHAR* szVerIndProgID, // Programmatic
const WCHAR* szProgID) // IDs
{
HMODULE hModule = GetModuleHandleW(NULL);
WCHAR szModuleName[MAX_SIZE];
WCHAR szCLSID[CLSID_STRING_SIZE];
nsAutoString independentProgId(szVerIndProgID);
nsAutoString progId(szProgID);
DWORD dwResult = ::GetModuleFileNameW(hModule, szModuleName,
sizeof(szModuleName) / sizeof(WCHAR));
if (dwResult == 0) return S_FALSE;
nsAutoString moduleName(szModuleName);
nsAutoString registryKey(L"CLSID\\");
moduleName += MAPI_STARTUP_ARG;
// Convert the CLSID into a WCHAR.
if (!CLSIDtoWchar(clsid, szCLSID)) return S_FALSE;
registryKey += szCLSID;
// Add the CLSID to the registry.
if (!setKeyAndValue(registryKey, NULL, szFriendlyName)) return S_FALSE;
if (!setKeyAndValue(registryKey, L"LocalServer32", moduleName.get()))
return S_FALSE;
// Add the ProgID subkey under the CLSID key.
if (!setKeyAndValue(registryKey, L"ProgID", szProgID)) return S_FALSE;
// Add the version-independent ProgID subkey under CLSID key.
if (!setKeyAndValue(registryKey, L"VersionIndependentProgID", szVerIndProgID))
return S_FALSE;
// Add the version-independent ProgID subkey under HKEY_CLASSES_ROOT.
if (!setKeyAndValue(independentProgId, NULL, szFriendlyName)) return S_FALSE;
if (!setKeyAndValue(independentProgId, L"CLSID", szCLSID)) return S_FALSE;
if (!setKeyAndValue(independentProgId, L"CurVer", szProgID)) return S_FALSE;
// Add the versioned ProgID subkey under HKEY_CLASSES_ROOT.
if (!setKeyAndValue(progId, NULL, szFriendlyName)) return S_FALSE;
if (!setKeyAndValue(progId, L"CLSID", szCLSID)) return S_FALSE;
RegisterProxy();
return S_OK;
}
LONG UnregisterServer(const CLSID& clsid, // Class ID
const WCHAR* szVerIndProgID, // Programmatic
const WCHAR* szProgID) // IDs
{
LONG lResult = S_OK;
// Convert the CLSID into a char.
WCHAR szCLSID[CLSID_STRING_SIZE];
if (!CLSIDtoWchar(clsid, szCLSID)) return S_FALSE;
UnRegisterProxy();
nsAutoString registryKey(L"CLSID\\");
registryKey += szCLSID;
lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, registryKey.get());
if (lResult == ERROR_SUCCESS || lResult == ERROR_FILE_NOT_FOUND)
return lResult;
registryKey += L"\\LocalServer32";
// Delete only the path for this server.
lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, registryKey.get());
if (lResult != ERROR_SUCCESS && lResult != ERROR_FILE_NOT_FOUND)
return lResult;
// Delete the version-independent ProgID Key.
lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, szVerIndProgID);
if (lResult != ERROR_SUCCESS && lResult != ERROR_FILE_NOT_FOUND)
return lResult;
lResult = recursiveDeleteKey(HKEY_CLASSES_ROOT, szProgID);
return lResult;
}
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