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A ProcessSnapshotSanitized enables filtering possibly sensitive information from a snapshot. WebView has different privacy constraints than Chrome and needs to avoid collecting data in annotations or from stack memory that may contain PII. This CL enables: 1. Filtering annotations by name using a whitelist. 2. Filtering for crashes which reference a particular module. 3. Redacting non-essential information from stack memory. This CL does not provide a client interface to enable sanitization. Bug: crashpad:30 Change-Id: I8944c70fdcca6d6d4b7955d983320909bf871254 Reviewed-on: https://chromium-review.googlesource.com/1070472 Commit-Queue: Joshua Peraza <jperaza@chromium.org> Reviewed-by: Scott Graham <scottmg@chromium.org>
60 lines
2.0 KiB
C++
60 lines
2.0 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_THREAD_SNAPSHOT_SANITIZED_H_
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#define CRASHPAD_SNAPSHOT_SANITIZED_THREAD_SNAPSHOT_SANITIZED_H_
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#include "snapshot/thread_snapshot.h"
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#include "snapshot/sanitized/memory_snapshot_sanitized.h"
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#include "util/misc/range_set.h"
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namespace crashpad {
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namespace internal {
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//! \brief A ThreadSnapshot which wraps and filters sensitive information from
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//! another ThreadSnapshot.
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class ThreadSnapshotSanitized final : public ThreadSnapshot {
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public:
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//! \brief Constructs this object.
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//!
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//! \param[in] snapshot The ThreadSnapshot to sanitize.
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//! \param[in] ranges A set of address ranges with which to sanitize this
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//! thread's stacks. \see internal::MemorySnapshotSanitized.
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ThreadSnapshotSanitized(const ThreadSnapshot* snapshot, RangeSet* ranges);
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~ThreadSnapshotSanitized() override;
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// ThreadSnapshot:
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const CPUContext* Context() const override;
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const MemorySnapshot* Stack() const override;
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uint64_t ThreadID() const override;
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int SuspendCount() const override;
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int Priority() const override;
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uint64_t ThreadSpecificDataAddress() const override;
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std::vector<const MemorySnapshot*> ExtraMemory() const override;
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private:
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const ThreadSnapshot* snapshot_;
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MemorySnapshotSanitized stack_;
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DISALLOW_COPY_AND_ASSIGN(ThreadSnapshotSanitized);
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};
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} // namespace internal
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} // namespace crashpad
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#endif // CRASHPAD_SNAPSHOT_SANITIZED_THREAD_SNAPSHOT_SANITIZED_H_
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