crashpad/util/misc/range_set.h
Joshua Peraza a42b5269b4 Add ProcessSnapshotSanitized
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>
2018-06-11 16:46:29 +00:00

52 lines
1.5 KiB
C++

// Copyright 2018 The Crashpad Authors. All rights reserved.
//
// 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_MISC_RANGE_SET_H_
#define CRASHPAD_UTIL_MISC_RANGE_SET_H_
#include <map>
#include "base/macros.h"
#include "util/misc/address_types.h"
namespace crashpad {
//! \brief A set of VMAddress ranges.
class RangeSet {
public:
RangeSet();
~RangeSet();
//! \brief Inserts a range into the set.
//!
//! \param[in] base The low address of the range.
//! \param[in] size The size of the range.
void Insert(VMAddress base, VMSize size);
//! \brief Returns `true` if \a address falls within a range in this set.
bool Contains(VMAddress address) const;
private:
// Keys are the highest address in the range. Values are the base address of
// the range. Overlapping ranges are merged on insertion. Adjacent ranges may
// be merged.
std::map<VMAddress, VMAddress> ranges_;
DISALLOW_COPY_AND_ASSIGN(RangeSet);
};
} // namespace crashpad
#endif // CRASHPAD_UTIL_MISC_RANGE_SET_H_