102 lines
3.9 KiB
C++
102 lines
3.9 KiB
C++
// Copyright 2018 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_SNAPSHOT_SANITIZED_SANITIZATION_INFORMATION_H_
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#define CRASHPAD_SNAPSHOT_SANITIZED_SANITIZATION_INFORMATION_H_
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#include <stdint.h>
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#include <string>
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#include <utility>
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#include <vector>
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#include "util/misc/address_types.h"
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#include "util/process/process_memory_range.h"
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namespace crashpad {
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#pragma pack(push, 1)
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//! \brief Struture containing information about how snapshots should be
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//! sanitized.
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//!
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//! \see ProcessSnapshotSanitized
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struct SanitizationInformation {
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//! \brief The address in the client process' address space of a nullptr
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//! terminated array of NUL-terminated strings. The string values are the
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//! names of allowed annotations. This value is 0 if all annotations are
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//! allowed.
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VMAddress allowed_annotations_address;
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//! \brief An address in the client process' address space within a module to
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//! target. When a target module is used, crash dumps are discarded unless
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//! the crashing thread's program counter or pointer-aligned values on the
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//! crashing thread's stack point into the target module. This value is 0
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//! if there is no target module.
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VMAddress target_module_address;
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//! \brief The address in the client process' address space of a
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//! \a SanitizationAllowedMemoryRanges, a list of address ranges allowed
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//! to be accessed by ProcessMemorySanitized. This value is 0 if no memory
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//! is allowed to be read using ProcessMemorySanitized.
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VMAddress allowed_memory_ranges_address;
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//! \brief Non-zero if stacks should be sanitized for possible PII.
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uint8_t sanitize_stacks;
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};
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//! \brief Describes a list of allowed memory ranges.
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struct SanitizationAllowedMemoryRanges {
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//! \brief Describes a range of memory.
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struct Range {
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VMAddress base;
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VMSize length;
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};
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//! \brief Address of an array of |size| elements of type Range.
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VMAddress entries;
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VMSize size;
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};
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#pragma pack(pop)
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//! \brief Reads a list of allowed annotations from another process.
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//!
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//! \param[in] memory A memory reader for the target process.
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//! \param[in] list_address The address in the target process' address space of
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//! a nullptr terminated array of NUL-terminated strings.
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//! \param[out] allowed_annotations The list read, valid only if this function
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//! returns `true`.
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//! \return `true` on success, `false` on failure with a message logged.
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bool ReadAllowedAnnotations(const ProcessMemoryRange& memory,
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VMAddress list_address,
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std::vector<std::string>* allowed_annotations);
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//! \brief Reads a list of allowed memory ranges from another process.
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//!
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//! \param[in] memory A memory reader for the target process.
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//! \param[in] list_address The address in the target process' address space of
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//! a nullptr terminated array of NUL-terminated strings.
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//! \param[out] allowed_memory_ranges A list of allowed memory regions, valid
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//! only if this function returns `true`.
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//! \return `true` on success, `false` on failure with a message logged.
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bool ReadAllowedMemoryRanges(
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const ProcessMemoryRange& memory,
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VMAddress list_address,
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std::vector<std::pair<VMAddress, VMAddress>>* allowed_memory_ranges);
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} // namespace crashpad
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#endif // CRASHPAD_SNAPSHOT_SANITIZED_SANITIZATION_INFORMATION_H_
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