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// Copyright 2015 The Chromium Authors
// 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/crashpad.h"
#include <CoreFoundation/CoreFoundation.h>
#include <string.h>
#include <unistd.h>
#include <algorithm>
#include <map>
#include <vector>
#include "base/apple/bridging.h"
#include "base/apple/bundle_locations.h"
#include "base/apple/foundation_util.h"
#include "base/check.h"
#include "base/files/file_path.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/sys_string_conversions.h"
#include "build/branding_buildflags.h"
#include "components/crash/core/app/crash_reporter_client.h"
#include "third_party/crashpad/crashpad/client/crash_report_database.h"
#include "third_party/crashpad/crashpad/client/crashpad_client.h"
#include "third_party/crashpad/crashpad/client/crashpad_info.h"
#include "third_party/crashpad/crashpad/client/settings.h"
#include "third_party/crashpad/crashpad/client/simulate_crash.h"
#include "third_party/crashpad/crashpad/minidump/minidump_file_writer.h"
#include "third_party/crashpad/crashpad/snapshot/mac/process_snapshot_mac.h"
namespace crash_reporter {
namespace {
std::map<std::string, std::string> GetProcessSimpleAnnotations() {
static std::map<std::string, std::string> annotations = []() -> auto {
std::map<std::string, std::string> process_annotations;
@autoreleasepool {
NSBundle* outer_bundle = base::apple::OuterBundle();
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
process_annotations["prod"] = "Chrome_Mac";
#else
NSString* product = base::apple::ObjCCast<NSString>(
[outer_bundle objectForInfoDictionaryKey:base::apple::CFToNSPtrCast(
kCFBundleNameKey)]);
process_annotations["prod"] =
base::SysNSStringToUTF8(product).append("_Mac");
#endif
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
// Empty means stable.
const bool allow_empty_channel = true;
#else
const bool allow_empty_channel = false;
#endif
NSString* channel = base::apple::ObjCCast<NSString>(
[outer_bundle objectForInfoDictionaryKey:@"KSChannelID"]);
if (!channel || [channel isEqual:@"arm64"] ||
[channel isEqual:@"universal"]) {
if (allow_empty_channel)
process_annotations["channel"] = "";
} else {
if ([channel hasPrefix:@"arm64-"])
channel = [channel substringFromIndex:[@"arm64-" length]];
else if ([channel hasPrefix:@"universal-"])
channel = [channel substringFromIndex:[@"universal-" length]];
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
if ([channel isEqual:@"extended"]) {
// Extended stable reports as stable with an extra bool.
channel = @"";
process_annotations["extended_stable_channel"] = "true";
}
#endif // BUILDFLAG(GOOGLE_CHROME_BRANDING)
if (allow_empty_channel || [channel length]) {
process_annotations["channel"] = base::SysNSStringToUTF8(channel);
}
}
NSString* version =
base::apple::ObjCCast<NSString>([base::apple::FrameworkBundle()
objectForInfoDictionaryKey:@"CFBundleShortVersionString"]);
process_annotations["ver"] = base::SysNSStringToUTF8(version);
process_annotations["plat"] = std::string("OS X");
} // @autoreleasepool
return process_annotations;
}();
return annotations;
}
} // namespace
void DumpProcessWithoutCrashing(task_t task_port) {
crashpad::CrashReportDatabase* database = internal::GetCrashReportDatabase();
if (!database)
return;
crashpad::ProcessSnapshotMac snapshot;
if (!snapshot.Initialize(task_port))
return;
auto process_annotations = GetProcessSimpleAnnotations();
process_annotations["is-dump-process-without-crashing"] = "true";
snapshot.SetAnnotationsSimpleMap(process_annotations);
std::unique_ptr<crashpad::CrashReportDatabase::NewReport> new_report;
if (database->PrepareNewCrashReport(&new_report) !=
crashpad::CrashReportDatabase::kNoError) {
return;
}
crashpad::UUID client_id;
database->GetSettings()->GetClientID(&client_id);
snapshot.SetReportID(new_report->ReportID());
snapshot.SetClientID(client_id);
crashpad::MinidumpFileWriter minidump;
minidump.InitializeFromSnapshot(&snapshot);
if (!minidump.WriteEverything(new_report->Writer()))
return;
crashpad::UUID report_id;
database->FinishedWritingCrashReport(std::move(new_report), &report_id);
}
namespace internal {
bool PlatformCrashpadInitialization(
bool initial_client,
bool browser_process,
bool embedded_handler,
const std::string& user_data_dir,
const base::FilePath& exe_path,
const std::vector<std::string>& initial_arguments,
base::FilePath* database_path) {
base::FilePath metrics_path; // Only valid in the browser process.
DCHECK(!embedded_handler); // This is not used on Mac.
DCHECK(exe_path.empty()); // This is not used on Mac.
DCHECK(initial_arguments.empty());
if (initial_client) {
@autoreleasepool {
base::FilePath framework_bundle_path = base::apple::FrameworkBundlePath();
base::FilePath handler_path =
framework_bundle_path.Append("Helpers").Append(
"chrome_crashpad_handler");
// Is there a way to recover if this fails?
CrashReporterClient* crash_reporter_client = GetCrashReporterClient();
crash_reporter_client->GetCrashDumpLocation(database_path);
crash_reporter_client->GetCrashMetricsLocation(&metrics_path);
std::string url = crash_reporter_client->GetUploadUrl();
std::vector<std::string> arguments;
if (crash_reporter_client->ShouldMonitorCrashHandlerExpensively()) {
arguments.push_back("--monitor-self");
}
// Set up --monitor-self-annotation even in the absence of --monitor-self
// so that minidumps produced by Crashpad's generate_dump tool will
// contain these annotations.
arguments.push_back("--monitor-self-annotation=ptype=crashpad-handler");
if (!browser_process) {
// If this is an initial client that's not the browser process, it's
// important that the new Crashpad handler also not be connected to any
// existing handler. This argument tells the new Crashpad handler to
// sever this connection.
arguments.push_back(
"--reset-own-crash-exception-port-to-system-default");
}
bool result = GetCrashpadClient().StartHandler(
handler_path, *database_path, metrics_path, url,
GetProcessSimpleAnnotations(), arguments, true, false);
// If this is an initial client that's not the browser process, it's
// important to sever the connection to any existing handler. If
// StartHandler() failed, call UseSystemDefaultHandler() to drop the link
// to the existing handler.
if (!result && !browser_process) {
crashpad::CrashpadClient::UseSystemDefaultHandler();
return false;
}
} // @autoreleasepool
}
return true;
}
} // namespace internal
} // namespace crash_reporter
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