mirror of
https://github.com/reactos/reactos.git
synced 2025-04-27 00:50:23 +00:00
[WINLOGON] Load the notification dlls on demand
Do not keep the notifications loaded until shutdown. Load and unload them when a notification routine must be called.
This commit is contained in:
Eric Kohl
parent
47303268e1
commit
5d4f69bf35
1 changed files with 200 additions and 130 deletions
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@ -35,15 +35,14 @@ static PSTR FuncNames[LastHandler] =
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typedef struct _NOTIFICATION_ITEM
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{
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LIST_ENTRY ListEntry;
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HINSTANCE hInstance;
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PWSTR pszKeyName;
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PWSTR pszDllName;
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BOOL bEnabled;
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BOOL bAsynchronous;
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BOOL bSafe;
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BOOL bImpersonate;
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BOOL bSmartCardLogon;
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DWORD dwMaxWait;
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PWLX_NOTIFY_HANDLER Handler[LastHandler];
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} NOTIFICATION_ITEM, *PNOTIFICATION_ITEM;
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@ -52,140 +51,145 @@ static LIST_ENTRY NotificationDllListHead;
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/* FUNCTIONS *****************************************************************/
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PWLX_NOTIFY_HANDLER
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GetNotificationHandler(
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HKEY hDllKey,
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HINSTANCE hInstance,
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PSTR pNotification)
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{
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CHAR szFuncBuffer[128];
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DWORD dwSize;
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DWORD dwType;
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LONG lError;
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dwSize = 128;
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lError = RegQueryValueExA(hDllKey,
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pNotification,
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NULL,
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&dwType,
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(PBYTE)szFuncBuffer,
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&dwSize);
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if (lError == ERROR_SUCCESS)
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{
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return (PWLX_NOTIFY_HANDLER)GetProcAddress(hInstance, szFuncBuffer);
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}
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return NULL;
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}
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static
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VOID
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LoadNotificationDll(
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AddNotificationDll(
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HKEY hNotifyKey,
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PWSTR pKeyName)
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PWSTR pszKeyName)
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{
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HKEY hDllKey = NULL;
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PNOTIFICATION_ITEM NotificationDll = NULL;
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LONG lError;
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WCHAR szBuffer[80];
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DWORD dwSize;
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DWORD dwType;
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HINSTANCE hInstance;
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NOTIFICATION_TYPE i;
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DWORD dwSize, dwType;
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DWORD dwError;
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TRACE("LoadNotificationDll(%p %S)\n", hNotifyKey, pKeyName);
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TRACE("AddNotificationDll(%p %S)\n", hNotifyKey, pszKeyName);
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lError = RegOpenKeyExW(hNotifyKey,
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pKeyName,
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0,
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KEY_READ,
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&hDllKey);
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if (lError != ERROR_SUCCESS)
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dwError = RegOpenKeyExW(hNotifyKey,
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pszKeyName,
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0,
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KEY_READ,
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&hDllKey);
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if (dwError != ERROR_SUCCESS)
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return;
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dwSize = 80 * sizeof(WCHAR);
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lError = RegQueryValueExW(hDllKey,
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L"DllName",
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NULL,
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&dwType,
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(PBYTE)szBuffer,
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&dwSize);
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if (lError == ERROR_SUCCESS)
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NotificationDll = RtlAllocateHeap(RtlGetProcessHeap(),
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HEAP_ZERO_MEMORY,
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sizeof(NOTIFICATION_ITEM));
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if (NotificationDll == NULL)
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{
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hInstance = LoadLibraryW(szBuffer);
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if (hInstance == NULL)
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return;
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dwError = ERROR_OUTOFMEMORY;
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goto done;
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}
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NotificationDll = RtlAllocateHeap(RtlGetProcessHeap(),
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HEAP_ZERO_MEMORY,
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sizeof(NOTIFICATION_ITEM));
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if (NotificationDll == NULL)
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NotificationDll->pszKeyName = RtlAllocateHeap(RtlGetProcessHeap(),
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HEAP_ZERO_MEMORY,
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(wcslen(pszKeyName) + 1) * sizeof(WCHAR));
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if (NotificationDll->pszKeyName == NULL)
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{
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dwError = ERROR_OUTOFMEMORY;
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goto done;
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}
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wcscpy(NotificationDll->pszKeyName, pszKeyName);
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dwSize = 0;
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RegQueryValueExW(hDllKey,
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L"DllName",
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NULL,
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&dwType,
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NULL,
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&dwSize);
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if (dwSize == 0)
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{
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dwError = ERROR_FILE_NOT_FOUND;
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goto done;
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}
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NotificationDll->pszDllName = RtlAllocateHeap(RtlGetProcessHeap(),
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HEAP_ZERO_MEMORY,
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dwSize);
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if (NotificationDll->pszDllName == NULL)
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{
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dwError = ERROR_OUTOFMEMORY;
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goto done;
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}
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dwError = RegQueryValueExW(hDllKey,
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L"DllName",
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NULL,
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&dwType,
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(PBYTE)NotificationDll->pszDllName,
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&dwSize);
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if (dwError != ERROR_SUCCESS)
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goto done;
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NotificationDll->bEnabled = TRUE;
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NotificationDll->dwMaxWait = 30; /* FIXME: ??? */
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dwSize = sizeof(BOOL);
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RegQueryValueExW(hDllKey,
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L"Asynchronous",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->bAsynchronous,
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&dwSize);
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dwSize = sizeof(BOOL);
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RegQueryValueExW(hDllKey,
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L"Enabled",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->bEnabled,
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&dwSize);
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dwSize = sizeof(BOOL);
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RegQueryValueExW(hDllKey,
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L"Impersonate",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->bImpersonate,
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&dwSize);
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dwSize = sizeof(BOOL);
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RegQueryValueExW(hDllKey,
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L"Safe",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->bSafe,
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&dwSize);
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dwSize = sizeof(BOOL);
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RegQueryValueExW(hDllKey,
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L"SmartCardLogonNotify",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->bSmartCardLogon,
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&dwSize);
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dwSize = sizeof(DWORD);
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RegQueryValueExW(hDllKey,
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L"MaxWait",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->dwMaxWait,
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&dwSize);
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InsertHeadList(&NotificationDllListHead,
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&NotificationDll->ListEntry);
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done:
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if (dwError != ERROR_SUCCESS)
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{
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if (NotificationDll != NULL)
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{
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FreeLibrary(hInstance);
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return;
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if (NotificationDll->pszKeyName != NULL)
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RtlFreeHeap(RtlGetProcessHeap(), 0, NotificationDll->pszKeyName);
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if (NotificationDll->pszDllName != NULL)
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RtlFreeHeap(RtlGetProcessHeap(), 0, NotificationDll->pszDllName);
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RtlFreeHeap(RtlGetProcessHeap(), 0, NotificationDll);
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}
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NotificationDll->bEnabled = TRUE;
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NotificationDll->dwMaxWait = 30; /* FIXME: ??? */
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NotificationDll->hInstance = hInstance;
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dwSize = sizeof(BOOL);
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RegQueryValueExW(hDllKey,
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L"Asynchronous",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->bAsynchronous,
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&dwSize);
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dwSize = sizeof(BOOL);
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RegQueryValueExW(hDllKey,
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L"Enabled",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->bEnabled,
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&dwSize);
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dwSize = sizeof(BOOL);
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RegQueryValueExW(hDllKey,
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L"Impersonate",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->bImpersonate,
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&dwSize);
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dwSize = sizeof(BOOL);
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RegQueryValueExW(hDllKey,
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L"Safe",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->bSafe,
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&dwSize);
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dwSize = sizeof(BOOL);
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RegQueryValueExW(hDllKey,
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L"SmartCardLogonNotify",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->bSmartCardLogon,
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&dwSize);
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dwSize = sizeof(DWORD);
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RegQueryValueExW(hDllKey,
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L"MaxWait",
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NULL,
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&dwType,
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(PBYTE)&NotificationDll->dwMaxWait,
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&dwSize);
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for (i = LogonHandler; i < LastHandler; i++)
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{
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NotificationDll->Handler[i] = GetNotificationHandler(hDllKey, hInstance, FuncNames[i]);
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TRACE("%s: %p\n", FuncNames[i], NotificationDll->Handler[i]);
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}
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InsertHeadList(&NotificationDllListHead,
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&NotificationDll->ListEntry);
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}
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RegCloseKey(hDllKey);
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@ -232,7 +236,7 @@ InitNotifications(VOID)
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break;
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TRACE("Notification DLL: %S\n", szKeyName);
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LoadNotificationDll(hNotifyKey, szKeyName);
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AddNotificationDll(hNotifyKey, szKeyName);
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dwIndex++;
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}
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@ -245,6 +249,57 @@ InitNotifications(VOID)
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}
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static
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VOID
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CallNotificationDll(
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HKEY hNotifyKey,
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PNOTIFICATION_ITEM NotificationDll,
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NOTIFICATION_TYPE Type,
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PWLX_NOTIFICATION_INFO pInfo)
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{
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HKEY hDllKey = NULL;
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HMODULE hModule = NULL;
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CHAR szFuncBuffer[128];
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DWORD dwSize;
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DWORD dwType;
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DWORD dwError;
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PWLX_NOTIFY_HANDLER pNotifyHandler;
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dwError = RegOpenKeyExW(hNotifyKey,
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NotificationDll->pszKeyName,
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0,
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KEY_READ,
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&hDllKey);
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if (dwError != ERROR_SUCCESS)
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{
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TRACE("RegOpenKeyExW()\n");
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return;
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}
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dwSize = sizeof(szFuncBuffer);
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dwError = RegQueryValueExA(hDllKey,
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FuncNames[Type],
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NULL,
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&dwType,
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(PBYTE)szFuncBuffer,
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&dwSize);
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if (dwError == ERROR_SUCCESS)
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{
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hModule = LoadLibraryW(NotificationDll->pszDllName);
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if (hModule != NULL)
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{
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pNotifyHandler = (PWLX_NOTIFY_HANDLER)GetProcAddress(hModule, szFuncBuffer);
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if (pNotifyHandler != NULL)
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pNotifyHandler(pInfo);
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FreeLibrary(hModule);
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}
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}
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RegCloseKey(hDllKey);
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}
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VOID
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CallNotificationDlls(
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PWLSESSION pSession,
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@ -253,9 +308,22 @@ CallNotificationDlls(
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PLIST_ENTRY ListEntry;
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PNOTIFICATION_ITEM NotificationDll;
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WLX_NOTIFICATION_INFO Info;
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HKEY hNotifyKey = NULL;
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DWORD dwError;
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TRACE("CallNotificationDlls()\n");
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dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
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L"Software\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\Notify",
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0,
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KEY_READ | KEY_ENUMERATE_SUB_KEYS,
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&hNotifyKey);
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if (dwError != ERROR_SUCCESS)
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{
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TRACE("RegOpenKeyExW()\n");
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return;
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}
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Info.Size = sizeof(WLX_NOTIFICATION_INFO);
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switch (Type)
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@ -303,14 +371,12 @@ TRACE("ListEntry %p\n", ListEntry);
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ListEntry);
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TRACE("NotificationDll: %p\n", NotificationDll);
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if (NotificationDll != NULL && NotificationDll->bEnabled)
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{
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TRACE("NotificationDll->Handler: %p\n", NotificationDll->Handler[Type]);
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if (NotificationDll->Handler[Type] != NULL)
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NotificationDll->Handler[Type](&Info);
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}
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CallNotificationDll(hNotifyKey, NotificationDll, Type, &Info);
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ListEntry = ListEntry->Flink;
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}
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RegCloseKey(hNotifyKey);
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}
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@ -328,7 +394,11 @@ CleanupNotifications(VOID)
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ListEntry);
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if (NotificationDll != NULL)
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{
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FreeLibrary(NotificationDll->hInstance);
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if (NotificationDll->pszKeyName != NULL)
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RtlFreeHeap(RtlGetProcessHeap(), 0, NotificationDll->pszKeyName);
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if (NotificationDll->pszDllName != NULL)
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RtlFreeHeap(RtlGetProcessHeap(), 0, NotificationDll->pszDllName);
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}
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ListEntry = ListEntry->Flink;
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