kernelbase: Call open_key() from open_subkey().

This commit is contained in:
Sven Baars 2023-03-17 12:21:46 +01:00 committed by Alexandre Julliard
parent 8b327eee5e
commit 35b56daf1f

View file

@ -140,20 +140,15 @@ static HKEY get_perflib_key( HANDLE key )
return key;
}
static NTSTATUS open_key( HKEY *retkey, HKEY root, UNICODE_STRING name, DWORD options, ACCESS_MASK access );
static NTSTATUS open_subkey( HKEY *subkey, HKEY root, UNICODE_STRING *name, DWORD options, ACCESS_MASK access )
{
ACCESS_MASK access_64 = access & ~KEY_WOW64_32KEY;
DWORD i = 0, len = name->Length / sizeof(WCHAR);
WCHAR *buffer = name->Buffer;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING str;
NTSTATUS status = 0;
attr.Length = sizeof(attr);
attr.RootDirectory = root;
attr.ObjectName = &str;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
NTSTATUS status;
if (len > 0 && buffer[0] == '\\') return STATUS_OBJECT_PATH_INVALID;
while (i < len && buffer[i] != '\\') i++;
@ -161,23 +156,10 @@ static NTSTATUS open_subkey( HKEY *subkey, HKEY root, UNICODE_STRING *name, DWOR
str.Buffer = name->Buffer;
str.Length = i * sizeof(WCHAR);
if (i == len)
{
if (options & REG_OPTION_OPEN_LINK) attr.Attributes |= OBJ_OPENLINK;
}
else
{
if (!(options & REG_OPTION_OPEN_LINK)) attr.Attributes &= ~OBJ_OPENLINK;
if (i < len)
options &= ~REG_OPTION_OPEN_LINK;
}
status = NtOpenKeyEx( (HANDLE *)subkey, access, &attr, options );
if (status == STATUS_PREDEFINED_HANDLE)
{
*subkey = get_perflib_key( *subkey );
status = STATUS_SUCCESS;
}
status = open_key( subkey, root, str, options, access_64 );
if (!status)
{
while (i < len && buffer[i] == '\\') i++;