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ntdll: Use an NT filename to search for loaded modules. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2019-02-08 12:46:22 +01:00
parent 954ed39584
commit a6e4c814b6
1 changed files with 11 additions and 7 deletions
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18
dlls/ntdll/loader.c
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@ -432,18 +432,23 @@ static WINE_MODREF *find_basename_module( LPCWSTR name )
* Find a module from its full path name.
* The loader_section must be locked while calling this function
*/
static WINE_MODREF *find_fullname_module( LPCWSTR name )
static WINE_MODREF *find_fullname_module( const UNICODE_STRING *nt_name )
{
PLIST_ENTRY mark, entry;
UNICODE_STRING name = *nt_name;
if (cached_modref && !strcmpiW( name, cached_modref->ldr.FullDllName.Buffer ))
if (name.Length <= 4 * sizeof(WCHAR)) return NULL;
name.Length -= 4 * sizeof(WCHAR); /* for \??\ prefix */
name.Buffer += 4;
if (cached_modref && RtlEqualUnicodeString( &name, &cached_modref->ldr.FullDllName, TRUE ))
return cached_modref;
mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
for (entry = mark->Flink; entry != mark; entry = entry->Flink)
{
LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
if (!strcmpiW( name, mod->FullDllName.Buffer ))
if (RtlEqualUnicodeString( &name, &mod->FullDllName, TRUE ))
{
cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
return cached_modref;
@ -2351,6 +2356,8 @@ static HANDLE open_dll_file( UNICODE_STRING *nt_name, WINE_MODREF **pwm, struct
HANDLE handle;
int fd, needs_close;
if ((*pwm = find_fullname_module( nt_name ))) return 0;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
@ -2434,8 +2441,6 @@ static NTSTATUS find_dll_file( const WCHAR *load_path, const WCHAR *libname,
if (len)
{
if (len >= *size) goto overflow;
if ((*pwm = find_fullname_module( filename ))) goto found;
if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, NULL, NULL ))
{
RtlFreeHeap( GetProcessHeap(), 0, dllname );
@ -2462,8 +2467,7 @@ static NTSTATUS find_dll_file( const WCHAR *load_path, const WCHAR *libname,
len = nt_name.Length - 4*sizeof(WCHAR); /* for \??\ prefix */
if (len >= *size) goto overflow;
memcpy( filename, nt_name.Buffer + 4, len + sizeof(WCHAR) );
if (!(*pwm = find_fullname_module( filename )))
*handle = open_dll_file( &nt_name, pwm, st );
*handle = open_dll_file( &nt_name, pwm, st );
found:
RtlFreeUnicodeString( &nt_name );