74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
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// Copyright 2015 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http ://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "stdafx.h"
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#include "CommonUtils.h"
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#include "ntimports.h"
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HANDLE CreateObjectDirectory(HANDLE hRoot, LPCWSTR dirname, HANDLE hShadow)
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{
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DEFINE_NTDLL(RtlInitUnicodeString);
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DEFINE_NTDLL(NtCreateDirectoryObjectEx);
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OBJECT_ATTRIBUTES obj_attr;
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UNICODE_STRING obj_name;
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if (dirname)
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{
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fRtlInitUnicodeString(&obj_name, dirname);
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InitializeObjectAttributes(&obj_attr, &obj_name, OBJ_CASE_INSENSITIVE, hRoot, nullptr);
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}
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else
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{
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InitializeObjectAttributes(&obj_attr, nullptr, OBJ_CASE_INSENSITIVE, hRoot, nullptr);
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}
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HANDLE h = nullptr;
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NTSTATUS status = fNtCreateDirectoryObjectEx(&h, DIRECTORY_ALL_ACCESS, &obj_attr, hShadow, FALSE);
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if (status == 0)
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{
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return h;
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}
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else
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{
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SetLastError(NtStatusToDosError(status));
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return nullptr;
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}
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}
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HANDLE OpenObjectDirectory(HANDLE hRoot, LPCWSTR dirname)
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{
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DEFINE_NTDLL(RtlInitUnicodeString);
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DEFINE_NTDLL(NtOpenDirectoryObject);
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OBJECT_ATTRIBUTES obj_attr;
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UNICODE_STRING obj_name;
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fRtlInitUnicodeString(&obj_name, dirname);
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InitializeObjectAttributes(&obj_attr, &obj_name, OBJ_CASE_INSENSITIVE, hRoot, nullptr);
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HANDLE h = nullptr;
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NTSTATUS status = fNtOpenDirectoryObject(&h, MAXIMUM_ALLOWED, &obj_attr);
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if (status == 0)
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{
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return h;
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}
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else
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{
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SetLastError(NtStatusToDosError(status));
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return nullptr;
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}
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}
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