crashpad/snapshot/sanitized/sanitization_information.cc

62 lines
1.8 KiB
C++
Raw Normal View History

// 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.
#include "snapshot/sanitized/sanitization_information.h"
#include "client/annotation.h"
namespace crashpad {
namespace {
template <typename Pointer>
bool ReadWhitelist(const ProcessMemoryRange& memory,
VMAddress whitelist_address,
std::vector<std::string>* whitelist) {
if (!whitelist_address) {
return true;
}
std::vector<std::string> local_whitelist;
Pointer name_address;
while (memory.Read(whitelist_address, sizeof(name_address), &name_address)) {
if (!name_address) {
whitelist->swap(local_whitelist);
return true;
}
std::string name;
if (!memory.ReadCStringSizeLimited(
name_address, Annotation::kNameMaxLength, &name)) {
return false;
}
local_whitelist.push_back(name);
whitelist_address += sizeof(Pointer);
}
return false;
}
} // namespace
bool ReadAnnotationsWhitelist(const ProcessMemoryRange& memory,
VMAddress whitelist_address,
std::vector<std::string>* whitelist) {
return memory.Is64Bit()
? ReadWhitelist<uint64_t>(memory, whitelist_address, whitelist)
: ReadWhitelist<uint32_t>(memory, whitelist_address, whitelist);
}
} // namespace crashpad