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external/source/exploits/CVE-2019-0841/ScopedHandle.cpp
94 строки
2 KB
Shelby Pace
move source to external/source directory
09 июл 2019, 17:08
Не верифицирован
09 июл 2019, 17:08
f7c252e
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// Copyright 2015 Google Inc. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http ://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include "stdafx.h" #include "ScopedHandle.h" static HANDLE Duplicate(HANDLE h) { HANDLE dup; if ((h == INVALID_HANDLE_VALUE) || !DuplicateHandle(GetCurrentProcess(), h, GetCurrentProcess(), &dup, 0, FALSE, DUPLICATE_SAME_ACCESS)) { return nullptr; } else { return dup; } } ScopedHandle::ScopedHandle(HANDLE h, bool duplicate) { if (duplicate) { g_h = Duplicate(h); } else { g_h = h; } } ScopedHandle::ScopedHandle(const ScopedHandle& other) { g_h = Duplicate(other.g_h); } ScopedHandle& ScopedHandle::operator=(const ScopedHandle& other) { if (this != &other) { g_h = Duplicate(other.g_h); } return *this; } ScopedHandle::ScopedHandle(ScopedHandle&& other) { g_h = other.g_h; other.g_h = nullptr; } ScopedHandle& ScopedHandle::operator=(ScopedHandle&& other) { if (this != &other) { g_h = other.g_h; other.g_h = nullptr; } return *this; } void ScopedHandle::Close() { if (IsValid()) { CloseHandle(g_h); g_h = nullptr; } } void ScopedHandle::Reset(HANDLE h) { Close(); g_h = h; } ScopedHandle::~ScopedHandle() { Close(); }