modules/rostests/apitests/ntdll/NtOpenKey.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         LGPLv2.1+ - See COPYING.LIB in the top level directory
   4  * PURPOSE:         Test for NtOpenKey data alignment
   5  * PROGRAMMER:      Mark Jansen (mark.jansen@reactos.org)
   6  */
   7
   8 #include "precomp.h"
   9
  10 #define TEST_STR    L"\\Registry\\Machine\\SOFTWARE"
  11
  12 START_TEST(NtOpenKey)
  13 {
  14     OBJECT_ATTRIBUTES Object;
  15     UNICODE_STRING String;
  16     char GccShouldNotAlignThis[40 * 2];
  17     char GccShouldNotAlignThis2[20];
  18     PVOID Alias = GccShouldNotAlignThis + 1;
  19     PVOID UnalignedKey = GccShouldNotAlignThis2 + 1;
  20
  21     HANDLE KeyHandle;
  22     NTSTATUS Status;
  23
  24     memcpy(Alias, TEST_STR, sizeof(TEST_STR));
  25
  26
  27     RtlInitUnicodeString(&String, TEST_STR);
  28     InitializeObjectAttributes(&Object, &String, OBJ_CASE_INSENSITIVE, NULL, NULL);
  29
  30     Status = NtOpenKey(&KeyHandle, KEY_QUERY_VALUE, &Object);
  31     ok_ntstatus(Status, STATUS_SUCCESS);
  32
  33     if (!NT_SUCCESS(Status))
  34         return;
  35
  36     NtClose(KeyHandle);
  37
  38     String.Buffer = Alias;
  39     ok_hex(((ULONG_PTR)String.Buffer) % 2, 1);
  40     Status = NtOpenKey(&KeyHandle, KEY_QUERY_VALUE, &Object);
  41     ok_ntstatus(Status, STATUS_DATATYPE_MISALIGNMENT);              // FIXME: Later windows versions succeed here.
  42     if (NT_SUCCESS(Status))
  43         NtClose(KeyHandle);
  44
  45     RtlInitUnicodeString(&String, TEST_STR);
  46     ok_hex(((ULONG_PTR)UnalignedKey) % 2, 1);
  47     Status = NtOpenKey(UnalignedKey, KEY_QUERY_VALUE, &Object);
  48     ok_ntstatus(Status, STATUS_SUCCESS);
  49     if (NT_SUCCESS(Status))
  50     {
  51         NtClose(*(HANDLE*)(UnalignedKey));
  52     }
  53 }