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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/app/chrome_crash_reporter_client.h"
#include <optional>
#include "base/command_line.h"
#include "base/environment.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/no_destructor.h"
#include "base/path_service.h"
#include "base/strings/string_split.h"
#include "base/strings/utf_string_conversions.h"
#include "build/branding_buildflags.h"
#include "build/build_config.h"
#include "chrome/common/channel_info.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_paths_internal.h"
#include "chrome/common/chrome_result_codes.h"
#include "chrome/common/env_vars.h"
#include "chrome/installer/util/google_update_settings.h"
#include "components/crash/core/common/crash_keys.h"
#include "components/version_info/version_info_values.h"
#include "content/public/common/content_switches.h"
#if BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_MAC)
#include "components/upload_list/crash_upload_list.h"
#include "components/version_info/version_info.h"
#endif
#if BUILDFLAG(IS_POSIX)
#include "base/debug/dump_without_crashing.h"
#endif
#if BUILDFLAG(IS_ANDROID)
#include "chrome/common/chrome_descriptors_android.h"
#endif
#if BUILDFLAG(IS_CHROMEOS)
#include "ash/constants/ash_switches.h"
#include "build/util/LASTCHANGE_commit_position.h"
#endif
namespace {
constexpr const char* UpdaterVersion() {
#if BUILDFLAG(IS_CHROMEOS) && CHROMIUM_COMMIT_POSITION_IS_MAIN
// Adds the revision number as a suffix to the version number if the chrome
// is built from the main branch.
return PRODUCT_VERSION "-r" CHROMIUM_COMMIT_POSITION_NUMBER;
#else
return PRODUCT_VERSION;
#endif
}
} // namespace
void ChromeCrashReporterClient::Create() {
static base::NoDestructor<ChromeCrashReporterClient> crash_client;
crash_reporter::SetCrashReporterClient(crash_client.get());
// By setting the BREAKPAD_DUMP_LOCATION environment variable, an alternate
// location to write crash dumps can be set.
std::unique_ptr<base::Environment> env(base::Environment::Create());
base::FilePath crash_dumps_dir_path;
std::optional<std::string> alternate_crash_dump_location =
env->GetVar("BREAKPAD_DUMP_LOCATION");
if (alternate_crash_dump_location.has_value()) {
crash_dumps_dir_path =
base::FilePath::FromUTF8Unsafe(alternate_crash_dump_location.value());
} else if (base::CommandLine::ForCurrentProcess()->HasSwitch(
"breakpad-dump-location")) {
// This is needed for Android tests, where we want dumps to go to a location
// where they don't get uploaded/deleted, but we can't use environment
// variables.
crash_dumps_dir_path =
base::CommandLine::ForCurrentProcess()->GetSwitchValuePath(
"breakpad-dump-location");
}
if (!crash_dumps_dir_path.empty()) {
base::PathService::Override(chrome::DIR_CRASH_DUMPS, crash_dumps_dir_path);
}
}
#if BUILDFLAG(IS_CHROMEOS)
// static
bool ChromeCrashReporterClient::ShouldPassCrashLoopBefore(
const std::string& process_type) {
if (process_type == ::switches::kRendererProcess ||
process_type == ::switches::kUtilityProcess ||
process_type == ::switches::kPpapiPluginProcess ||
process_type == ::switches::kZygoteProcess) {
// These process types never cause a log-out, even if they crash. So the
// normal crash handling process should work fine; we shouldn't need to
// invoke the special crash-loop mode.
return false;
}
return true;
}
#endif
ChromeCrashReporterClient::ChromeCrashReporterClient() = default;
ChromeCrashReporterClient::~ChromeCrashReporterClient() = default;
#if !BUILDFLAG(IS_MAC) && !BUILDFLAG(IS_ANDROID)
void ChromeCrashReporterClient::SetCrashReporterClientIdFromGUID(
const std::string& client_guid) {
crash_keys::SetMetricsClientIdFromGUID(client_guid);
}
#endif
#if BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_MAC)
base::FilePath ChromeCrashReporterClient::GetReporterLogFilename() {
return base::FilePath(CrashUploadList::kReporterLogFilename);
}
bool ChromeCrashReporterClient::GetShouldDumpLargerDumps() {
return chrome::GetChannel() != version_info::Channel::STABLE;
}
#endif // BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_MAC)
bool ChromeCrashReporterClient::GetCrashDumpLocation(
base::FilePath* crash_dir) {
return base::PathService::Get(chrome::DIR_CRASH_DUMPS, crash_dir);
}
void ChromeCrashReporterClient::GetProductInfo(ProductInfo* product_info) {
CHECK(product_info);
#if BUILDFLAG(IS_ANDROID)
product_info->product_name = "Chrome_Android";
#elif BUILDFLAG(IS_CHROMEOS)
product_info->product_name = "Chrome_ChromeOS";
#elif BUILDFLAG(IS_LINUX)
#if defined(ADDRESS_SANITIZER)
product_info->product_name = "Chrome_Linux_ASan";
#else
product_info->product_name = "Chrome_Linux";
#endif // defined(ADDRESS_SANITIZER)
#elif BUILDFLAG(IS_MAC)
product_info->product_name = "Chrome_Mac";
#elif BUILDFLAG(IS_WIN)
product_info->product_name = "Chrome";
#else
NOTREACHED();
#endif
product_info->version = UpdaterVersion();
product_info->channel =
chrome::GetChannelName(chrome::WithExtendedStable(true));
}
#if BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
bool ChromeCrashReporterClient::GetCrashMetricsLocation(
base::FilePath* metrics_dir) {
if (!GetCollectStatsConsent()) {
return false;
}
return base::PathService::Get(chrome::DIR_CRASH_METRICS, metrics_dir);
}
#endif // BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
bool ChromeCrashReporterClient::IsRunningUnattended() {
std::unique_ptr<base::Environment> env(base::Environment::Create());
return env->HasVar(env_vars::kHeadless);
}
bool ChromeCrashReporterClient::GetCollectStatsConsent() {
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
bool is_official_chrome_build = true;
#else
bool is_official_chrome_build = false;
#endif
#if BUILDFLAG(IS_CHROMEOS)
bool is_guest_session = base::CommandLine::ForCurrentProcess()->HasSwitch(
ash::switches::kGuestSession);
bool is_stable_channel =
chrome::GetChannel() == version_info::Channel::STABLE;
if (is_guest_session && is_stable_channel) {
VLOG(1) << "GetCollectStatsConsent(): is_guest_session " << is_guest_session
<< " && is_stable_channel " << is_stable_channel
<< " so returning false";
return false;
}
#endif // BUILDFLAG(IS_CHROMEOS)
#if BUILDFLAG(IS_ANDROID)
// TODO(jcivelli): we should not initialize the crash-reporter when it was not
// enabled. Right now if it is disabled we still generate the minidumps but we
// do not upload them.
return is_official_chrome_build;
#else // !BUILDFLAG(IS_ANDROID)
if (!is_official_chrome_build) {
VLOG(1) << "GetCollectStatsConsent(): is_official_chrome_build is false "
<< "so returning false";
return false;
}
bool settings_consent = GoogleUpdateSettings::GetCollectStatsConsent();
VLOG(1) << "GetCollectStatsConsent(): settings_consent: " << settings_consent
<< " so returning that";
return settings_consent;
#endif // BUILDFLAG(IS_ANDROID)
}
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
bool ChromeCrashReporterClient::ShouldMonitorCrashHandlerExpensively() {
// TODO(jperaza): Turn this on less frequently for stable channels when
// Crashpad is always enabled on Linux. Consider combining with the
// macOS implementation.
return true;
}
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
bool ChromeCrashReporterClient::EnableBreakpadForProcess(
const std::string& process_type) {
return process_type == switches::kRendererProcess ||
process_type == switches::kPpapiPluginProcess ||
process_type == switches::kZygoteProcess ||
process_type == switches::kGpuProcess ||
process_type == switches::kUtilityProcess;
}
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