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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>
64 lines
1.9 KiB
C++
64 lines
1.9 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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#include "snapshot/sanitized/thread_snapshot_sanitized.h"
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#include "snapshot/cpu_context.h"
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namespace crashpad {
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namespace internal {
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ThreadSnapshotSanitized::ThreadSnapshotSanitized(const ThreadSnapshot* snapshot,
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RangeSet* ranges)
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: ThreadSnapshot(),
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snapshot_(snapshot),
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stack_(snapshot_->Stack(), ranges, snapshot_->Context()->Is64Bit()) {}
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ThreadSnapshotSanitized::~ThreadSnapshotSanitized() = default;
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const CPUContext* ThreadSnapshotSanitized::Context() const {
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return snapshot_->Context();
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}
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const MemorySnapshot* ThreadSnapshotSanitized::Stack() const {
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return &stack_;
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}
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uint64_t ThreadSnapshotSanitized::ThreadID() const {
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return snapshot_->ThreadID();
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}
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int ThreadSnapshotSanitized::SuspendCount() const {
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return snapshot_->SuspendCount();
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}
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int ThreadSnapshotSanitized::Priority() const {
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return snapshot_->Priority();
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}
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uint64_t ThreadSnapshotSanitized::ThreadSpecificDataAddress() const {
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return snapshot_->ThreadSpecificDataAddress();
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}
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std::vector<const MemorySnapshot*> ThreadSnapshotSanitized::ExtraMemory()
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const {
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// TODO(jperaza): If/when ExtraMemory() is used, decide whether and how it
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// should be sanitized.
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DCHECK(snapshot_->ExtraMemory().empty());
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return std::vector<const MemorySnapshot*>();
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}
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} // namespace internal
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} // namespace crashpad
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