reactos/modules/rostests/apitests/ntdll/NtQueryObject.c
2025-01-06 21:30:17 +01:00

107 lines
4.1 KiB
C

/*
* PROJECT: ReactOS API Tests
* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
* PURPOSE: Test for NtQueryObject
* COPYRIGHT: Copyright 2024 Hermès Bélusca-Maïto <hermes.belusca-maito@reactos.org>
*/
#include "precomp.h"
/* Flags combination allowing all the read, write and delete share modes.
* Currently similar to FILE_SHARE_VALID_FLAGS. */
#define FILE_SHARE_ALL \
(FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE)
/* Adapted from kmtests/ntos_ob/ObQuery.c!ObjectNameInformationTests().
* Please sync both tests in case you add or remove new features. */
START_TEST(NtQueryObject)
{
ULONG g_OsVersion =
SharedUserData->NtMajorVersion << 8 | SharedUserData->NtMinorVersion;
NTSTATUS Status;
HANDLE DeviceHandle;
UNICODE_STRING DeviceName;
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK IoStatusBlock;
ULONG BufferSize1, BufferSize2, BufferSize3;
struct { OBJECT_NAME_INFORMATION; WCHAR Buffer[MAX_PATH]; } ObjectNameBuffer;
PUNICODE_STRING ObjectName = &ObjectNameBuffer.Name;
/* Test the drive containing SystemRoot */
WCHAR NtDeviceName[] = L"\\DosDevices\\?:";
NtDeviceName[sizeof("\\DosDevices\\")-1] = SharedUserData->NtSystemRoot[0];
/* Open a handle to the device */
RtlInitUnicodeString(&DeviceName, NtDeviceName);
InitializeObjectAttributes(&ObjectAttributes,
&DeviceName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtOpenFile(&DeviceHandle,
FILE_READ_ATTRIBUTES | SYNCHRONIZE,
&ObjectAttributes,
&IoStatusBlock,
FILE_SHARE_ALL,
FILE_SYNCHRONOUS_IO_NONALERT);
ok_ntstatus(Status, STATUS_SUCCESS);
if (!NT_SUCCESS(Status))
{
skip("Device '%S': Opening failed\n", NtDeviceName);
return;
}
/* Invoke ObjectNameInformation that retrieves the canonical device name */
Status = NtQueryObject(DeviceHandle,
ObjectNameInformation,
&ObjectNameBuffer,
0,
&BufferSize1);
ok_ntstatus(Status, STATUS_INFO_LENGTH_MISMATCH);
Status = NtQueryObject(DeviceHandle,
ObjectNameInformation,
&ObjectNameBuffer,
sizeof(OBJECT_NAME_INFORMATION),
&BufferSize2);
ok_ntstatus(Status, STATUS_BUFFER_OVERFLOW);
Status = NtQueryObject(DeviceHandle,
ObjectNameInformation,
&ObjectNameBuffer,
sizeof(ObjectNameBuffer),
&BufferSize3);
ok_ntstatus(Status, STATUS_SUCCESS);
NtClose(DeviceHandle);
/* Compare the returned buffer sizes */
/* The returned size behaviour changed (when NtQueryObject()'s
* input Length is zero) between Windows <= 2003 and Vista+ */
if (g_OsVersion < _WIN32_WINNT_VISTA)
ok_eq_ulong(BufferSize1, (ULONG)sizeof(OBJECT_NAME_INFORMATION));
else
ok_eq_ulong(BufferSize1, (ULONG)sizeof(OBJECT_NAME_INFORMATION) + ObjectName->MaximumLength);
ok_eq_ulong(BufferSize2, BufferSize3);
ok_eq_ulong(BufferSize3, (ULONG)sizeof(OBJECT_NAME_INFORMATION) + ObjectName->MaximumLength);
/* Test the name buffer */
ok(ObjectName->Length > 0, "ObjectName->Length == %hu, expected > 0\n", ObjectName->Length);
ok_eq_uint(ObjectName->MaximumLength, ObjectName->Length + sizeof(WCHAR));
ok(ObjectName->Buffer[ObjectName->Length / sizeof(WCHAR)] == UNICODE_NULL,
"UNICODE_NULL not found at end of ObjectName->Buffer\n");
if (ObjectName->Buffer[ObjectName->Length / sizeof(WCHAR)] != UNICODE_NULL)
{
skip("ObjectName->Buffer string length check skipped\n");
return;
}
/* Verify that ObjectName->Length doesn't count extra NUL-terminators */
{
SIZE_T strLen = wcslen(ObjectName->Buffer) * sizeof(WCHAR);
ok_eq_size(strLen, (SIZE_T)ObjectName->Length);
}
}