1 files changed, 86 insertions, 0 deletions
diff --git a/src/VBox/HostDrivers/VBoxUSB/win/mon/VBoxUsbHook.h b/src/VBox/HostDrivers/VBoxUSB/win/mon/VBoxUsbHook.h
new file mode 100644
index 00000000..5276abba
--- /dev/null
+++ b/src/VBox/HostDrivers/VBoxUSB/win/mon/VBoxUsbHook.h
@@ -0,0 +1,86 @@
+/* $Id: VBoxUsbHook.h $ */
+/** @file
+ * Driver Dispatch Table Hooking API impl
+ */
+/*
+ * Copyright (C) 2011-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#ifndef VBOX_INCLUDED_SRC_VBoxUSB_win_mon_VBoxUsbHook_h
+#define VBOX_INCLUDED_SRC_VBoxUSB_win_mon_VBoxUsbHook_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include "VBoxUsbMon.h"
+
+typedef struct VBOXUSBHOOK_ENTRY
+{
+    LIST_ENTRY RequestList;
+    KSPIN_LOCK Lock;
+    BOOLEAN fIsInstalled;
+    PDRIVER_DISPATCH pfnOldHandler;
+    VBOXDRVTOOL_REF HookRef;
+    PDRIVER_OBJECT pDrvObj;
+    UCHAR iMjFunction;
+    PDRIVER_DISPATCH pfnHook;
+} VBOXUSBHOOK_ENTRY, *PVBOXUSBHOOK_ENTRY;
+
+typedef struct VBOXUSBHOOK_REQUEST
+{
+    LIST_ENTRY ListEntry;
+    PVBOXUSBHOOK_ENTRY pHook;
+    IO_STACK_LOCATION OldLocation;
+    PDEVICE_OBJECT pDevObj;
+    PIRP pIrp;
+    BOOLEAN bCompletionStopped;
+} VBOXUSBHOOK_REQUEST, *PVBOXUSBHOOK_REQUEST;
+
+DECLINLINE(BOOLEAN) VBoxUsbHookRetain(PVBOXUSBHOOK_ENTRY pHook)
+{
+    KIRQL Irql;
+    KeAcquireSpinLock(&pHook->Lock, &Irql);
+    if (!pHook->fIsInstalled)
+    {
+        KeReleaseSpinLock(&pHook->Lock, Irql);
+        return FALSE;
+    }
+
+    VBoxDrvToolRefRetain(&pHook->HookRef);
+    KeReleaseSpinLock(&pHook->Lock, Irql);
+    return TRUE;
+}
+
+DECLINLINE(VOID) VBoxUsbHookRelease(PVBOXUSBHOOK_ENTRY pHook)
+{
+    VBoxDrvToolRefRelease(&pHook->HookRef);
+}
+
+VOID VBoxUsbHookInit(PVBOXUSBHOOK_ENTRY pHook, PDRIVER_OBJECT pDrvObj, UCHAR iMjFunction, PDRIVER_DISPATCH pfnHook);
+NTSTATUS VBoxUsbHookInstall(PVBOXUSBHOOK_ENTRY pHook);
+NTSTATUS VBoxUsbHookUninstall(PVBOXUSBHOOK_ENTRY pHook);
+BOOLEAN VBoxUsbHookIsInstalled(PVBOXUSBHOOK_ENTRY pHook);
+NTSTATUS VBoxUsbHookRequestPassDownHookCompletion(PVBOXUSBHOOK_ENTRY pHook, PDEVICE_OBJECT pDevObj, PIRP pIrp, PIO_COMPLETION_ROUTINE pfnCompletion, PVBOXUSBHOOK_REQUEST pRequest);
+NTSTATUS VBoxUsbHookRequestPassDownHookSkip(PVBOXUSBHOOK_ENTRY pHook, PDEVICE_OBJECT pDevObj, PIRP pIrp);
+NTSTATUS VBoxUsbHookRequestMoreProcessingRequired(PVBOXUSBHOOK_ENTRY pHook, PDEVICE_OBJECT pDevObj, PIRP pIrp, PVBOXUSBHOOK_REQUEST pRequest);
+NTSTATUS VBoxUsbHookRequestComplete(PVBOXUSBHOOK_ENTRY pHook, PDEVICE_OBJECT pDevObj, PIRP pIrp, PVBOXUSBHOOK_REQUEST pRequest);
+VOID VBoxUsbHookVerifyCompletion(PVBOXUSBHOOK_ENTRY pHook, PVBOXUSBHOOK_REQUEST pRequest, PIRP pIrp);
+
+#endif /* !VBOX_INCLUDED_SRC_VBoxUSB_win_mon_VBoxUsbHook_h */