system/wine
system/wine
1
0
Fork 0
mirror of git://source.winehq.org/git/wine.git synced 2024-09-06 01:10:11 +00:00
Code Issues Packages Projects Releases Wiki Activity

kernelbase: Move create_key() below open_key().

Browse source
This commit is contained in:
Sven Baars 2022-11-30 13:57:09 +01:00 committed by Alexandre Julliard
parent 0badf072e0
commit 5d7bbb56c1
1 changed files with 81 additions and 81 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

162
dlls/kernelbase/registry.c
View file

@ -140,87 +140,6 @@ static HKEY get_perflib_key( HANDLE key )
return key;
}
/* wrapper for NtCreateKey that creates the key recursively if necessary */
static NTSTATUS create_key( HKEY *retkey, HKEY root, UNICODE_STRING name, ULONG options, ACCESS_MASK access,
const UNICODE_STRING *class, PULONG dispos )
{
BOOL force_wow32 = is_win64 && (access & KEY_WOW64_32KEY);
NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND;
OBJECT_ATTRIBUTES attr;
HANDLE subkey;
attr.Length = sizeof(attr);
attr.RootDirectory = root;
attr.ObjectName = &name;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if (options & REG_OPTION_OPEN_LINK) attr.Attributes |= OBJ_OPENLINK;
if (!force_wow32) status = NtCreateKey( &subkey, access, &attr, 0, class, options, dispos );
if (status == STATUS_OBJECT_NAME_NOT_FOUND)
{
WCHAR *buffer = name.Buffer;
DWORD attrs, pos = 0, i = 0, len = name.Length / sizeof(WCHAR);
/* don't try to create registry root */
if (!attr.RootDirectory && len > 10 && !wcsnicmp( buffer, L"\\Registry\\", 10 )) i += 10;
while (i < len && buffer[i] != '\\') i++;
if (i == len && !force_wow32) return status;
attrs = attr.Attributes;
for (;;)
{
name.Buffer = buffer + pos;
name.Length = (i - pos) * sizeof(WCHAR);
if (force_wow32 && pos)
{
if (is_wow6432node( &name )) force_wow32 = FALSE;
else if ((subkey = open_wow6432node( attr.RootDirectory )))
{
if (attr.RootDirectory != root) NtClose( attr.RootDirectory );
attr.RootDirectory = subkey;
force_wow32 = FALSE;
}
}
if (i == len)
{
attr.Attributes = attrs;
status = NtCreateKey( &subkey, access, &attr, 0, class, options, dispos );
}
else
{
attr.Attributes = attrs & ~OBJ_OPENLINK;
status = NtCreateKey( &subkey, access, &attr, 0, class,
options & ~REG_OPTION_CREATE_LINK, dispos );
}
if (attr.RootDirectory != root) NtClose( attr.RootDirectory );
if (!NT_SUCCESS(status)) return status;
if (i == len) break;
attr.RootDirectory = subkey;
while (i < len && buffer[i] == '\\') i++;
pos = i;
while (i < len && buffer[i] != '\\') i++;
}
}
attr.RootDirectory = subkey;
if (force_wow32 && (subkey = open_wow6432node( attr.RootDirectory )))
{
if (attr.RootDirectory != root) NtClose( attr.RootDirectory );
attr.RootDirectory = subkey;
}
if (status == STATUS_PREDEFINED_HANDLE)
{
attr.RootDirectory = get_perflib_key( attr.RootDirectory );
status = STATUS_SUCCESS;
}
*retkey = attr.RootDirectory;
return status;
}
static NTSTATUS open_subkey( HKEY *subkey, HKEY root, UNICODE_STRING *name, DWORD options, ACCESS_MASK access )
{
DWORD i = 0, len = name->Length / sizeof(WCHAR);
@ -322,6 +241,87 @@ static NTSTATUS open_key( HKEY *retkey, HKEY root, UNICODE_STRING name, DWORD op
return status;
}
/* wrapper for NtCreateKey that creates the key recursively if necessary */
static NTSTATUS create_key( HKEY *retkey, HKEY root, UNICODE_STRING name, ULONG options, ACCESS_MASK access,
const UNICODE_STRING *class, PULONG dispos )
{
BOOL force_wow32 = is_win64 && (access & KEY_WOW64_32KEY);
NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND;
OBJECT_ATTRIBUTES attr;
HANDLE subkey;
attr.Length = sizeof(attr);
attr.RootDirectory = root;
attr.ObjectName = &name;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if (options & REG_OPTION_OPEN_LINK) attr.Attributes |= OBJ_OPENLINK;
if (!force_wow32) status = NtCreateKey( &subkey, access, &attr, 0, class, options, dispos );
if (status == STATUS_OBJECT_NAME_NOT_FOUND)
{
WCHAR *buffer = name.Buffer;
DWORD attrs, pos = 0, i = 0, len = name.Length / sizeof(WCHAR);
/* don't try to create registry root */
if (!attr.RootDirectory && len > 10 && !wcsnicmp( buffer, L"\\Registry\\", 10 )) i += 10;
while (i < len && buffer[i] != '\\') i++;
if (i == len && !force_wow32) return status;
attrs = attr.Attributes;
for (;;)
{
name.Buffer = buffer + pos;
name.Length = (i - pos) * sizeof(WCHAR);
if (force_wow32 && pos)
{
if (is_wow6432node( &name )) force_wow32 = FALSE;
else if ((subkey = open_wow6432node( attr.RootDirectory )))
{
if (attr.RootDirectory != root) NtClose( attr.RootDirectory );
attr.RootDirectory = subkey;
force_wow32 = FALSE;
}
}
if (i == len)
{
attr.Attributes = attrs;
status = NtCreateKey( &subkey, access, &attr, 0, class, options, dispos );
}
else
{
attr.Attributes = attrs & ~OBJ_OPENLINK;
status = NtCreateKey( &subkey, access, &attr, 0, class,
options & ~REG_OPTION_CREATE_LINK, dispos );
}
if (attr.RootDirectory != root) NtClose( attr.RootDirectory );
if (!NT_SUCCESS(status)) return status;
if (i == len) break;
attr.RootDirectory = subkey;
while (i < len && buffer[i] == '\\') i++;
pos = i;
while (i < len && buffer[i] != '\\') i++;
}
}
attr.RootDirectory = subkey;
if (force_wow32 && (subkey = open_wow6432node( attr.RootDirectory )))
{
if (attr.RootDirectory != root) NtClose( attr.RootDirectory );
attr.RootDirectory = subkey;
}
if (status == STATUS_PREDEFINED_HANDLE)
{
attr.RootDirectory = get_perflib_key( attr.RootDirectory );
status = STATUS_SUCCESS;
}
*retkey = attr.RootDirectory;
return status;
}
/* create one of the HKEY_* special root keys */
static HKEY create_special_root_hkey( HKEY hkey, DWORD access )
{