sys: FspFsvrtTransact testing

tst/winfsp-tests/mount-test.c

@@ -113,9 +113,132 @@ void mount_volume_cancel_test(void)
         mount_volume_cancel_dotest(L"WinFsp.Net");
 }
 
+static unsigned __stdcall mount_volume_transact_dotest_thread(void *FilePath)
+{
+    FspDebugLog(__FUNCTION__ ": \"%S\"\n", FilePath);
+
+    HANDLE Handle;
+    Handle = CreateFileW(FilePath,
+        FILE_GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, 0, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, 0);
+    if (INVALID_HANDLE_VALUE == Handle)
+        return GetLastError();
+    CloseHandle(Handle);
+    return 0;
+}
+
+void mount_volume_transact_dotest(PWSTR DeviceName)
+{
+    NTSTATUS Result;
+    BOOL Success;
+    FSP_FSCTL_VOLUME_PARAMS Params = { 0 };
+    WCHAR VolumePath[MAX_PATH];
+    WCHAR FilePath[MAX_PATH];
+    HANDLE VolumeHandle;
+    HANDLE Thread;
+    DWORD ExitCode;
+
+    Params.SectorSize = 16384;
+    Params.SerialNumber = 0x12345678;
+    Result = FspFsctlCreateVolume(DeviceName, &Params, 0, VolumePath, sizeof VolumePath);
+    ASSERT(STATUS_SUCCESS == Result);
+
+    StringCbPrintfW(FilePath, sizeof FilePath, L"\\\\?\\GLOBALROOT%s\\file0", VolumePath);
+    Thread = (HANDLE)_beginthreadex(0, 0, mount_volume_transact_dotest_thread, FilePath, 0, 0);
+    ASSERT(0 != Thread);
+
+    Sleep(1000); /* give some time to the thread to execute */
+
+    Result = FspFsctlOpenVolume(VolumePath, &VolumeHandle);
+    ASSERT(STATUS_SUCCESS == Result);
+
+    FSP_FSCTL_DECLSPEC_ALIGN UINT8 RequestBuf[FSP_FSCTL_TRANSACT_REQ_BUFFER_SIZEMIN];
+    FSP_FSCTL_DECLSPEC_ALIGN UINT8 ResponseBuf[FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMIN];
+    UINT8 *RequestBufEnd;
+    UINT8 *ResponseBufEnd = ResponseBuf + sizeof ResponseBuf;
+    SIZE_T RequestBufSize;
+    SIZE_T ResponseBufSize;
+    FSP_FSCTL_TRANSACT_REQ *Request = (PVOID)RequestBuf, *NextRequest;
+    FSP_FSCTL_TRANSACT_RSP *Response = (PVOID)ResponseBuf;
+
+    ResponseBufSize = 0;
+    RequestBufSize = sizeof RequestBuf;
+    Result = FspFsctlTransact(VolumeHandle, ResponseBuf, ResponseBufSize, RequestBuf, &RequestBufSize);
+    ASSERT(STATUS_SUCCESS == Result);
+
+    RequestBufEnd = RequestBuf + RequestBufSize;
+
+    NextRequest = FspFsctlTransactConsumeRequest(Request, RequestBufEnd);
+    ASSERT(0 != NextRequest);
+
+    ASSERT(0 == Request->Version);
+    ASSERT(FSP_FSCTL_TRANSACT_REQ_SIZEMAX >= Request->Size);
+    ASSERT(0 != Request->Hint);
+    ASSERT(FspFsctlTransactCreateKind == Request->Kind);
+    ASSERT(FILE_CREATE == ((Request->Req.Create.CreateOptions >> 24) & 0xff));
+    ASSERT(FILE_ATTRIBUTE_NORMAL == Request->Req.Create.FileAttributes);
+    ASSERT(0 == Request->Req.Create.SecurityDescriptor.Offset);
+    ASSERT(0 == Request->Req.Create.SecurityDescriptor.Size);
+    ASSERT(0 == Request->Req.Create.AllocationSize);
+    ASSERT(FILE_GENERIC_READ == Request->Req.Create.DesiredAccess);
+    ASSERT((FILE_SHARE_READ | FILE_SHARE_WRITE) == Request->Req.Create.ShareAccess);
+    ASSERT(0 == Request->Req.Create.Ea.Offset);
+    ASSERT(0 == Request->Req.Create.Ea.Size);
+    ASSERT(Request->Req.Create.UserMode);
+    ASSERT(Request->Req.Create.HasTraversePrivilege);
+    ASSERT(!Request->Req.Create.OpenTargetDirectory);
+    ASSERT(!Request->Req.Create.CaseSensitive);
+
+    ASSERT(FspFsctlTransactCanProduceResponse(Response, ResponseBufEnd));
+
+    RtlZeroMemory(Response, sizeof *Response);
+    Response->Size = sizeof *Response;
+    Response->Hint = Request->Hint;
+    Response->Kind = Request->Kind;
+    Response->IoStatus.Status = STATUS_SUCCESS;
+    Response->IoStatus.Information = FILE_CREATED;
+    Response->Rsp.Create.Opened.UserContext = 41;
+    Response->Rsp.Create.Opened.UserContext2 = 42;
+    Response->Rsp.Create.Opened.FileAttributes = FILE_ATTRIBUTE_NORMAL;
+    Response->Rsp.Create.Opened.SecurityDescriptor.Offset = 0;
+    Response->Rsp.Create.Opened.SecurityDescriptor.Size = 0;
+
+    Response = FspFsctlTransactProduceResponse(Response, Response->Size);
+    ASSERT(0 != Response);
+
+    Request = NextRequest;
+    NextRequest = FspFsctlTransactConsumeRequest(Request, RequestBufEnd);
+    ASSERT(0 == NextRequest);
+
+    ResponseBufSize = (PUINT8)Response - ResponseBuf;
+    RequestBufSize = sizeof RequestBuf;
+    Result = FspFsctlTransact(VolumeHandle, ResponseBuf, ResponseBufSize, RequestBuf, &RequestBufSize);
+    ASSERT(STATUS_SUCCESS == Result);
+
+    Result = FspFsctlDeleteVolume(VolumeHandle);
+    ASSERT(STATUS_SUCCESS == Result);
+
+    Success = CloseHandle(VolumeHandle);
+    ASSERT(Success);
+
+    WaitForSingleObject(Thread, INFINITE);
+    GetExitCodeThread(Thread, &ExitCode);
+    CloseHandle(Thread);
+
+    ASSERT(0 == ExitCode);
+}
+
+void mount_volume_transact_test(void)
+{
+    if (WinFspDiskTests)
+        mount_volume_transact_dotest(L"WinFsp.Disk");
+    if (WinFspNetTests)
+        mount_volume_transact_dotest(L"WinFsp.Net");
+}
+
 void mount_tests(void)
 {
     TEST(mount_invalid_test);
     TEST(mount_create_delete_test);
     TEST(mount_volume_cancel_test);
+    TEST(mount_volume_transact_test);
 }