/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_NtUndoc_h
#define mozilla_NtUndoc_h

#include <winternl.h>

#if defined(__cplusplus)
extern "C" {
#endif

#ifndef STATUS_INFO_LENGTH_MISMATCH
#define STATUS_INFO_LENGTH_MISMATCH ((NTSTATUS)0xC0000004L)
#endif

#ifndef STATUS_BUFFER_TOO_SMALL
#define STATUS_BUFFER_TOO_SMALL ((NTSTATUS)0xC0000023L)
#endif

#ifndef STATUS_MORE_ENTRIES
#define STATUS_MORE_ENTRIES ((NTSTATUS)0x00000105L)
#endif

enum UndocSystemInformationClass
{
  SystemExtendedHandleInformation = 64
};

struct SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX
{
  PVOID       mObject;
  ULONG_PTR   mPid;
  ULONG_PTR   mHandle;
  ACCESS_MASK mGrantedAccess;
  USHORT      mCreatorBackTraceIndex;
  USHORT      mObjectTypeIndex;
  ULONG       mAttributes;
  ULONG       mReserved;
};

struct SYSTEM_HANDLE_INFORMATION_EX
{
  ULONG_PTR                         mHandleCount;
  ULONG_PTR                         mReserved;
  SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX mHandles[1];
};

enum UndocObjectInformationClass
{
  ObjectNameInformation = 1
};

struct OBJECT_NAME_INFORMATION
{
  UNICODE_STRING  mName;
};

// The following declarations are documented on MSDN but are not included in
// public user-mode headers.

enum DirectoryObjectAccessFlags
{
  DIRECTORY_QUERY = 0x0001,
  DIRECTORY_TRAVERSE = 0x0002,
  DIRECTORY_CREATE_OBJECT = 0x0004,
  DIRECTORY_CREATE_SUBDIRECTORY = 0x0008,
  DIRECTORY_ALL_ACCESS = STANDARD_RIGHTS_REQUIRED | 0x000F
};

NTSTATUS WINAPI
NtOpenDirectoryObject(PHANDLE aDirectoryHandle, ACCESS_MASK aDesiredAccess,
                      POBJECT_ATTRIBUTES aObjectAttributes);

struct OBJECT_DIRECTORY_INFORMATION
{
  UNICODE_STRING  mName;
  UNICODE_STRING  mTypeName;
};

NTSTATUS WINAPI
NtQueryDirectoryObject(HANDLE aDirectoryHandle, PVOID aOutBuffer,
                       ULONG aBufferLength, BOOLEAN aReturnSingleEntry,
                       BOOLEAN aRestartScan, PULONG aContext,
                       PULONG aOutReturnLength);

#if defined(__cplusplus)
} // extern "C"
#endif

#endif // mozilla_NtUndoc_h