Streamline the editing interfaces a bit.

Open the registry with only the required permissions for the
operation. Fix a few leaks.
This commit is contained in:
Dimitrie O. Paun 2004-01-16 02:21:23 +00:00 committed by Alexandre Julliard
parent 14263ab0c4
commit 7a6d6aabac
3 changed files with 57 additions and 43 deletions

View File

@ -155,18 +155,20 @@ done:
return NULL;
}
BOOL CreateKey(HKEY hKey)
BOOL CreateKey(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath)
{
BOOL result = FALSE;
LONG lRet = ERROR_SUCCESS;
HKEY retKey;
TCHAR keyName[32];
TCHAR newKey[COUNT_OF(keyName) - 4];
int keyNum;
HKEY hKey;
/* If we have illegal parameter return with operation failure */
if (!hKey) return FALSE;
lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_CREATE_SUB_KEY, &hKey);
if (lRet != ERROR_SUCCESS) return FALSE;
if (!LoadString(GetModuleHandle(0), IDS_NEWKEY, newKey, COUNT_OF(newKey))) return FALSE;
if (!LoadString(GetModuleHandle(0), IDS_NEWKEY, newKey, COUNT_OF(newKey))) goto done;
/* try to find out a name for the newly create key (max 100 times) */
for (keyNum = 1; keyNum < 100; keyNum++) {
@ -175,22 +177,26 @@ BOOL CreateKey(HKEY hKey)
if (lRet != ERROR_SUCCESS) break;
RegCloseKey(retKey);
}
if (lRet == ERROR_SUCCESS) return FALSE;
if (lRet == ERROR_SUCCESS) goto done;
lRet = RegCreateKey(hKey, keyName, &retKey);
if (lRet != ERROR_SUCCESS) return FALSE;
if (lRet != ERROR_SUCCESS) goto done;
result = TRUE;
done:
RegCloseKey(retKey);
return TRUE;
return result;
}
BOOL ModifyValue(HWND hwnd, HKEY hKey, LPCTSTR valueName)
BOOL ModifyValue(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, LPCTSTR valueName)
{
BOOL result = FALSE;
DWORD type;
LONG lRet;
BOOL result = FALSE;
HKEY hKey;
if (!hKey || !valueName) return FALSE;
lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
if (lRet != ERROR_SUCCESS) return FALSE;
editValueName = valueName;
if(!(stringValueData = read_value(hwnd, hKey, valueName, &type, 0))) goto done;
@ -216,38 +222,48 @@ BOOL ModifyValue(HWND hwnd, HKEY hKey, LPCTSTR valueName)
done:
HeapFree(GetProcessHeap(), 0, stringValueData);
stringValueData = NULL;
RegCloseKey(hKey);
return result;
}
BOOL DeleteValue(HWND hwnd, HKEY hKey, LPCTSTR valueName)
BOOL DeleteValue(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, LPCTSTR valueName)
{
BOOL result = FALSE;
LONG lRet;
HKEY hKey;
if (!hKey || !valueName) return FALSE;
lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_SET_VALUE, &hKey);
if (lRet != ERROR_SUCCESS) return FALSE;
if (messagebox(hwnd, MB_YESNO | MB_ICONEXCLAMATION, IDS_DELETE_BOX_TITLE, IDS_DELETE_BOX_TEXT, valueName) != IDYES)
return FALSE;
goto done;
lRet = RegDeleteValue(hKey, valueName);
if (lRet != ERROR_SUCCESS) {
error(hwnd, IDS_BAD_VALUE, valueName);
}
return lRet == ERROR_SUCCESS;
if (lRet != ERROR_SUCCESS) goto done;
result = TRUE;
done:
RegCloseKey(hKey);
return result;
}
BOOL CreateValue(HWND hwnd, HKEY hKey, DWORD valueType)
BOOL CreateValue(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, DWORD valueType)
{
LONG lRet = ERROR_SUCCESS;
TCHAR valueName[32];
TCHAR newValue[COUNT_OF(valueName) - 4];
DWORD valueDword = 0;
BOOL result = FALSE;
int valueNum;
HKEY hKey;
/* If we have illegal parameter return with operation failure */
if (!hKey) return FALSE;
lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
if (lRet != ERROR_SUCCESS) return FALSE;
if (!LoadString(GetModuleHandle(0), IDS_NEWVALUE, newValue, COUNT_OF(newValue))) return FALSE;
if (!LoadString(GetModuleHandle(0), IDS_NEWVALUE, newValue, COUNT_OF(newValue))) goto done;
/* try to find out a name for the newly create key (max 100 times) */
for (valueNum = 1; valueNum < 100; valueNum++) {
@ -255,15 +271,18 @@ BOOL CreateValue(HWND hwnd, HKEY hKey, DWORD valueType)
lRet = RegQueryValueEx(hKey, valueName, 0, 0, 0, 0);
if (lRet != ERROR_SUCCESS) break;
}
if (lRet == ERROR_SUCCESS) return FALSE;
if (lRet == ERROR_SUCCESS) goto done;
lRet = RegSetValueEx(hKey, valueName, 0, valueType, (BYTE*)&valueDword, sizeof(DWORD));
if (lRet != ERROR_SUCCESS) return FALSE;
if (lRet != ERROR_SUCCESS) goto done;
result = TRUE;
return TRUE;
done:
RegCloseKey(hKey);
return result;
}
BOOL RenameValue(HWND hwnd, HKEY hRootKey, LPCTSTR keyPath, LPCTSTR oldName, LPCTSTR newName)
BOOL RenameValue(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, LPCTSTR oldName, LPCTSTR newName)
{
LPTSTR value = NULL;
DWORD type;
@ -271,8 +290,8 @@ BOOL RenameValue(HWND hwnd, HKEY hRootKey, LPCTSTR keyPath, LPCTSTR oldName, LPC
BOOL result = FALSE;
HKEY hKey;
lRet = RegOpenKeyEx(hRootKey, keyPath, 0, KEY_ALL_ACCESS, &hKey);
if (lRet != ERROR_SUCCESS) goto done;
lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
if (lRet != ERROR_SUCCESS) return FALSE;
value = read_value(hwnd, hKey, oldName, &type, &len);
if(!value) goto done;
lRet = RegSetValueEx(hKey, newName, 0, type, (BYTE*)value, len);
@ -286,5 +305,6 @@ BOOL RenameValue(HWND hwnd, HKEY hRootKey, LPCTSTR keyPath, LPCTSTR oldName, LPC
done:
HeapFree(GetProcessHeap(), 0, value);
RegCloseKey(hKey);
return result;
}

View File

@ -435,17 +435,12 @@ BOOL RefreshView(HWND hWnd)
*/
static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HKEY hKeyRoot = 0, hKey = 0;
HKEY hKeyRoot = 0;
LPCTSTR keyPath;
LPCTSTR valueName;
BOOL result = TRUE;
LONG lRet;
DWORD valueType;
if ((keyPath = GetItemPath(g_pChildWnd->hTreeWnd, 0, &hKeyRoot))) {
lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_ALL_ACCESS, &hKey);
if (lRet != ERROR_SUCCESS) hKey = 0;
}
keyPath = GetItemPath(g_pChildWnd->hTreeWnd, 0, &hKeyRoot);
valueName = GetValueName(g_pChildWnd->hListWnd);
switch (LOWORD(wParam)) {
@ -463,18 +458,18 @@ static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
PrintRegistryHive(hWnd, _T(""));
break;
case ID_EDIT_DELETE:
if (DeleteValue(hWnd, hKey, valueName))
if (DeleteValue(hWnd, hKeyRoot, keyPath, valueName))
RefreshListView(g_pChildWnd->hListWnd, hKeyRoot, keyPath);
break;
case ID_EDIT_MODIFY:
if (ModifyValue(hWnd, hKey, valueName))
if (ModifyValue(hWnd, hKeyRoot, keyPath, valueName))
RefreshListView(g_pChildWnd->hListWnd, hKeyRoot, keyPath);
break;
case ID_EDIT_COPYKEYNAME:
CopyKeyName(hWnd, _T(""));
break;
case ID_EDIT_NEW_KEY:
CreateKey(hKey);
CreateKey(hWnd, hKeyRoot, keyPath);
break;
case ID_EDIT_NEW_STRINGVALUE:
valueType = REG_SZ;
@ -486,7 +481,7 @@ static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
valueType = REG_DWORD;
/* fall through */
create_value:
if (CreateValue(hWnd, hKey, valueType))
if (CreateValue(hWnd, hKeyRoot, keyPath, valueType))
RefreshListView(g_pChildWnd->hListWnd, hKeyRoot, keyPath);
case ID_EDIT_RENAME:
StartValueRename(g_pChildWnd->hListWnd, hKeyRoot, keyPath);
@ -533,11 +528,10 @@ static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
return TRUE;
}
default:
result = FALSE;
return FALSE;
}
RegCloseKey(hKey);
return result;
return TRUE;
}
/********************************************************************************

View File

@ -98,10 +98,10 @@ extern BOOL OnTreeExpanding(HWND hWnd, NMTREEVIEW* pnmtv);
extern LPCTSTR GetItemPath(HWND hwndTV, HTREEITEM hItem, HKEY* phRootKey);
/* edit.c */
extern BOOL CreateKey(HKEY hKey);
extern BOOL CreateValue(HWND hwnd, HKEY hKey, DWORD valueType);
extern BOOL ModifyValue(HWND hwnd, HKEY hKey, LPCTSTR valueName);
extern BOOL DeleteValue(HWND hwnd, HKEY hKey, LPCTSTR valueName);
extern BOOL CreateKey(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath);
extern BOOL CreateValue(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, DWORD valueType);
extern BOOL ModifyValue(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, LPCTSTR valueName);
extern BOOL DeleteValue(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, LPCTSTR valueName);
extern BOOL RenameValue(HWND hwnd, HKEY hRootKey, LPCTSTR keyPath, LPCTSTR oldName, LPCTSTR newName);
#endif /* __MAIN_H__ */