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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/crash/core/app/run_as_crashpad_handler_win.h"
#include <algorithm>
#include <memory>
#include <string>
#include <vector>
#include "base/command_line.h"
#include "base/containers/cxx20_erase.h"
#include "base/files/file_path.h"
#include "base/process/memory.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/platform_thread.h"
#include "components/gwp_asan/buildflags/buildflags.h"
#include "third_party/crashpad/crashpad/client/crashpad_info.h"
#include "third_party/crashpad/crashpad/client/simple_string_dictionary.h"
#include "third_party/crashpad/crashpad/handler/handler_main.h"
#include "third_party/crashpad/crashpad/handler/user_stream_data_source.h"
#if BUILDFLAG(ENABLE_GWP_ASAN)
#include "components/gwp_asan/crash_handler/crash_handler.h" // nogncheck
#endif
namespace crash_reporter {
int RunAsCrashpadHandler(const base::CommandLine& command_line,
const base::FilePath& user_data_dir,
const char* process_type_switch,
const char* user_data_dir_switch) {
// Make sure this process terminates on OOM in the same mode as other Chrome
// processes.
base::EnableTerminationOnOutOfMemory();
base::PlatformThread::SetName("CrashpadMainThread");
// If the handler is started with --monitor-self, it'll need a ptype
// annotation set. It'll normally set one itself by being invoked with
// --monitor-self-annotation=ptype=crashpad-handler, but that leaves a window
// during self-monitoring initialization when the ptype is not set at all, so
// provide one here.
const std::string process_type =
command_line.GetSwitchValueASCII(process_type_switch);
if (!process_type.empty()) {
crashpad::SimpleStringDictionary* annotations =
new crashpad::SimpleStringDictionary();
annotations->SetKeyValue("ptype", process_type.c_str());
crashpad::CrashpadInfo* crashpad_info =
crashpad::CrashpadInfo::GetCrashpadInfo();
DCHECK(!crashpad_info->simple_annotations());
crashpad_info->set_simple_annotations(annotations);
}
std::vector<std::wstring> argv = command_line.argv();
const std::wstring process_type_arg_prefix =
L"--" + base::UTF8ToWide(process_type_switch) + L"=";
const std::wstring user_data_dir_arg_prefix =
L"--" + base::UTF8ToWide(user_data_dir_switch) + L"=";
base::EraseIf(argv, [&process_type_arg_prefix,
&user_data_dir_arg_prefix](const std::wstring& str) {
return base::StartsWith(str, process_type_arg_prefix,
base::CompareCase::SENSITIVE) ||
base::StartsWith(str, user_data_dir_arg_prefix,
base::CompareCase::SENSITIVE) ||
(!str.empty() && str[0] == L'/');
});
std::unique_ptr<char* []> argv_as_utf8(new char*[argv.size() + 1]);
std::vector<std::string> storage;
storage.reserve(argv.size());
for (size_t i = 0; i < argv.size(); ++i) {
storage.push_back(base::WideToUTF8(argv[i]));
argv_as_utf8[i] = &storage[i][0];
}
argv_as_utf8[argv.size()] = nullptr;
argv.clear();
crashpad::UserStreamDataSources user_stream_data_sources;
#if BUILDFLAG(ENABLE_GWP_ASAN)
user_stream_data_sources.push_back(
std::make_unique<gwp_asan::UserStreamDataSource>());
#endif
return crashpad::HandlerMain(static_cast<int>(storage.size()),
argv_as_utf8.get(), &user_stream_data_sources);
}
} // namespace crash_reporter
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