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[ADVAPI32] Fix several corner cases in RegOpenKey* functions

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This fixes the remaining RegOpenKey* tests.
This commit is contained in:
Eric Kohl 2021-10-21 14:45:56 +02:00
parent a37d9a4e14
commit 1ade494a70
1 changed files with 17 additions and 13 deletions
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30
dll/win32/advapi32/reg/reg.c
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@ -3264,12 +3264,7 @@ RegOpenKeyA(HKEY hKey,
if (!phkResult)
return ERROR_INVALID_PARAMETER;
if (!hKey && lpSubKey && phkResult)
{
return ERROR_INVALID_HANDLE;
}
if (!lpSubKey || !*lpSubKey)
if (!hKey && !lpSubKey)
{
*phkResult = hKey;
return ERROR_SUCCESS;
@ -3303,12 +3298,7 @@ RegOpenKeyW(HKEY hKey,
if (!phkResult)
return ERROR_INVALID_PARAMETER;
if (!hKey && lpSubKey && phkResult)
{
return ERROR_INVALID_HANDLE;
}
if (!lpSubKey || !*lpSubKey)
if (!hKey && !lpSubKey)
{
*phkResult = hKey;
return ERROR_SUCCESS;
@ -3383,6 +3373,17 @@ RegOpenKeyExW(HKEY hKey,
return ERROR_INVALID_PARAMETER;
}
if (!hKey && lpSubKey && phkResult)
{
return ERROR_INVALID_HANDLE;
}
if (IsPredefKey(hKey) && (!lpSubKey || !*lpSubKey))
{
*phkResult = hKey;
return ERROR_SUCCESS;
}
Status = MapDefaultKey(&KeyHandle, hKey);
if (!NT_SUCCESS(Status))
{
@ -3399,7 +3400,10 @@ RegOpenKeyExW(HKEY hKey,
if (ulOptions & REG_OPTION_OPEN_LINK)
Attributes |= OBJ_OPENLINK;
RtlInitUnicodeString(&SubKeyString, lpSubKey ? lpSubKey : L"");
if (lpSubKey == NULL || wcscmp(lpSubKey, L"\\") == 0)
RtlInitUnicodeString(&SubKeyString, L"");
else
RtlInitUnicodeString(&SubKeyString, lpSubKey);
InitializeObjectAttributes(&ObjectAttributes,
&SubKeyString,