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2f66eefb79
Change-Id: I6afe27313093c6867d0276274e6b17b195d9d263 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/2339536 Commit-Queue: Joshua Peraza <jperaza@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
// Copyright 2019 The Crashpad Authors. 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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#ifndef CRASHPAD_UTIL_PROCESS_PROCESS_MEMORY_SANITIZED_H_
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#define CRASHPAD_UTIL_PROCESS_PROCESS_MEMORY_SANITIZED_H_
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#include <sys/types.h>
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#include <utility>
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#include <vector>
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#include "base/macros.h"
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#include "util/misc/address_types.h"
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#include "util/misc/initialization_state_dcheck.h"
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#include "util/process/process_memory.h"
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namespace crashpad {
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//! \brief Sanitized access to the memory of another process.
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class ProcessMemorySanitized final : public ProcessMemory {
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public:
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ProcessMemorySanitized();
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~ProcessMemorySanitized();
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//! \brief Initializes this object to read memory from the underlying
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//! \a memory object if the memory range is in \a allowed_ranges.
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//!
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//! This method must be called successfully prior to calling any other method
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//! in this class.
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//!
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//! \param[in] memory The memory object to read memory from.
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//! \param[in] allowed_ranges A list of allowed memory ranges.
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//!
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//! \return `true` on success, `false` on failure with a message logged.
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bool Initialize(
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const ProcessMemory* memory,
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const std::vector<std::pair<VMAddress, VMAddress>>* allowed_ranges);
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private:
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ssize_t ReadUpTo(VMAddress address, size_t size, void* buffer) const override;
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const ProcessMemory* memory_;
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InitializationStateDcheck initialized_;
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std::vector<std::pair<VMAddress, VMAddress>> allowed_ranges_;
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DISALLOW_COPY_AND_ASSIGN(ProcessMemorySanitized);
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_PROCESS_PROCESS_MEMORY_SANITIZED_H_
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