crashpad/util/process/process_memory_sanitized.h
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad)
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')

Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-09-06 23:54:07 +00:00

64 lines
2.1 KiB
C++

// Copyright 2019 The Crashpad Authors
//
// 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.
#ifndef CRASHPAD_UTIL_PROCESS_PROCESS_MEMORY_SANITIZED_H_
#define CRASHPAD_UTIL_PROCESS_PROCESS_MEMORY_SANITIZED_H_
#include <sys/types.h>
#include <utility>
#include <vector>
#include "util/misc/address_types.h"
#include "util/misc/initialization_state_dcheck.h"
#include "util/process/process_memory.h"
namespace crashpad {
//! \brief Sanitized access to the memory of another process.
class ProcessMemorySanitized final : public ProcessMemory {
public:
ProcessMemorySanitized();
ProcessMemorySanitized(const ProcessMemorySanitized&) = delete;
ProcessMemorySanitized& operator=(const ProcessMemorySanitized&) = delete;
~ProcessMemorySanitized();
//! \brief Initializes this object to read memory from the underlying
//! \a memory object if the memory range is in \a allowed_ranges.
//!
//! This method must be called successfully prior to calling any other method
//! in this class.
//!
//! \param[in] memory The memory object to read memory from.
//! \param[in] allowed_ranges A list of allowed memory ranges.
//!
//! \return `true` on success, `false` on failure with a message logged.
bool Initialize(
const ProcessMemory* memory,
const std::vector<std::pair<VMAddress, VMAddress>>* allowed_ranges);
private:
ssize_t ReadUpTo(VMAddress address, size_t size, void* buffer) const override;
const ProcessMemory* memory_;
InitializationStateDcheck initialized_;
std::vector<std::pair<VMAddress, VMAddress>> allowed_ranges_;
};
} // namespace crashpad
#endif // CRASHPAD_UTIL_PROCESS_PROCESS_MEMORY_SANITIZED_H_