diff options
Diffstat (limited to 'components/crash/content/app/crashpad_mac.mm')
-rw-r--r-- | components/crash/content/app/crashpad_mac.mm | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/components/crash/content/app/crashpad_mac.mm b/components/crash/content/app/crashpad_mac.mm new file mode 100644 index 0000000..1082db4 --- /dev/null +++ b/components/crash/content/app/crashpad_mac.mm @@ -0,0 +1,251 @@ +// Copyright 2015 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/content/app/crashpad_mac.h" + +#include <string.h> +#include <unistd.h> + +#include <algorithm> +#include <map> +#include <vector> + +#include "base/auto_reset.h" +#include "base/debug/crash_logging.h" +#include "base/debug/dump_without_crashing.h" +#include "base/files/file_path.h" +#include "base/logging.h" +#include "base/mac/bundle_locations.h" +#include "base/mac/foundation_util.h" +#include "base/strings/string_number_conversions.h" +#include "base/strings/string_piece.h" +#include "base/strings/stringprintf.h" +#include "base/strings/sys_string_conversions.h" +#include "components/crash/content/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/simple_string_dictionary.h" +#include "third_party/crashpad/crashpad/client/simulate_crash.h" + +namespace crash_reporter { + +namespace { + +crashpad::SimpleStringDictionary* g_simple_string_dictionary; +crashpad::CrashReportDatabase* g_database; + +void SetCrashKeyValue(const base::StringPiece& key, + const base::StringPiece& value) { + g_simple_string_dictionary->SetKeyValue(key.data(), value.data()); +} + +void ClearCrashKey(const base::StringPiece& key) { + g_simple_string_dictionary->RemoveKey(key.data()); +} + +bool LogMessageHandler(int severity, + const char* file, + int line, + size_t message_start, + const std::string& string) { + // Only handle FATAL. + if (severity != logging::LOG_FATAL) { + return false; + } + + // In case of an out-of-memory condition, this code could be reentered when + // constructing and storing the key. Using a static is not thread-safe, but if + // multiple threads are in the process of a fatal crash at the same time, this + // should work. + static bool guarded = false; + if (guarded) { + return false; + } + base::AutoReset<bool> guard(&guarded, true); + + // Only log last path component. This matches logging.cc. + if (file) { + const char* slash = strrchr(file, '/'); + if (slash) { + file = slash + 1; + } + } + + std::string message = base::StringPrintf("%s:%d: %s", file, line, + string.c_str() + message_start); + SetCrashKeyValue("LOG_FATAL", message); + + // Rather than including the code to force the crash here, allow the caller to + // do it. + return false; +} + +void DumpWithoutCrashing() { + CRASHPAD_SIMULATE_CRASH(); +} + +} // namespace + +void InitializeCrashpad(const std::string& process_type) { + static bool initialized = false; + DCHECK(!initialized); + initialized = true; + + const bool browser_process = process_type.empty(); + CrashReporterClient* crash_reporter_client = GetCrashReporterClient(); + + base::FilePath database_path; // Only valid in the browser process. + + if (browser_process) { + @autoreleasepool { + base::FilePath framework_bundle_path = base::mac::FrameworkBundlePath(); + base::FilePath handler_path = + framework_bundle_path.Append("Helpers").Append("crashpad_handler"); + + // Is there a way to recover if this fails? + crash_reporter_client->GetCrashDumpLocation(&database_path); + + // TODO(mark): Reading the Breakpad keys is temporary and transitional. At + // the very least, they should be renamed to Crashpad. For the time being, + // this isn't the worst thing: Crashpad is still uploading to a + // Breakpad-type server, after all. + NSBundle* framework_bundle = base::mac::FrameworkBundle(); + NSString* product = base::mac::ObjCCast<NSString>( + [framework_bundle objectForInfoDictionaryKey:@"BreakpadProduct"]); + NSString* version = base::mac::ObjCCast<NSString>( + [framework_bundle objectForInfoDictionaryKey:@"BreakpadVersion"]); + NSString* url_ns = base::mac::ObjCCast<NSString>( + [framework_bundle objectForInfoDictionaryKey:@"BreakpadURL"]); + + std::string url = base::SysNSStringToUTF8(url_ns); + + std::map<std::string, std::string> process_annotations; + process_annotations["prod"] = base::SysNSStringToUTF8(product); + process_annotations["ver"] = base::SysNSStringToUTF8(version); + process_annotations["plat"] = std::string("OS X"); + + crashpad::CrashpadClient crashpad_client; + if (crashpad_client.StartHandler(handler_path, database_path, url, + process_annotations, + std::vector<std::string>())) { + crashpad_client.UseHandler(); + } + } // @autoreleasepool + } + + crashpad::CrashpadInfo* crashpad_info = + crashpad::CrashpadInfo::GetCrashpadInfo(); + +#if defined(NDEBUG) + const bool is_debug_build = false; +#else + const bool is_debug_build = true; +#endif + + // Disable forwarding to the system's crash reporter in processes other than + // the browser process. For the browser, the system's crash reporter presents + // the crash UI to the user, so it's desirable there. Additionally, having + // crash reports appear in ~/Library/Logs/DiagnosticReports provides a + // fallback. Forwarding is turned off for debug-mode builds even for the + // browser process, because the system's crash reporter can take a very long + // time to chew on symbols. + if (!browser_process || is_debug_build) { + crashpad_info->set_system_crash_reporter_forwarding( + crashpad::TriState::kDisabled); + } + + g_simple_string_dictionary = new crashpad::SimpleStringDictionary(); + crashpad_info->set_simple_annotations(g_simple_string_dictionary); + + base::debug::SetCrashKeyReportingFunctions(SetCrashKeyValue, ClearCrashKey); + crash_reporter_client->RegisterCrashKeys(); + + SetCrashKeyValue("ptype", browser_process ? base::StringPiece("browser") + : base::StringPiece(process_type)); + SetCrashKeyValue("pid", base::IntToString(getpid())); + + logging::SetLogMessageHandler(LogMessageHandler); + + // If clients called CRASHPAD_SIMULATE_CRASH() instead of + // base::debug::DumpWithoutCrashing(), these dumps would appear as crashes in + // the correct function, at the correct file and line. This would be + // preferable to having all occurrences show up in DumpWithoutCrashing() at + // the same file and line. + base::debug::SetDumpWithoutCrashingFunction(DumpWithoutCrashing); + + if (browser_process) { + g_database = + crashpad::CrashReportDatabase::Initialize(database_path).release(); + + bool enable_uploads = false; + if (!crash_reporter_client->ReportingIsEnforcedByPolicy(&enable_uploads)) { + enable_uploads = crash_reporter_client->GetCollectStatsConsent() && + !crash_reporter_client->IsRunningUnattended(); + // Breakpad provided a --disable-breakpad switch to disable crash dumping + // (not just uploading) here. Crashpad doesn't need it: dumping is enabled + // unconditionally and uploading is gated on consent, which tests/bots + // shouldn't have. As a precaution, we also force disable uploading on + // bots even if consent is present. + } + + SetUploadsEnabled(enable_uploads); + } +} + +void SetUploadsEnabled(bool enable_uploads) { + if (g_database) { + crashpad::Settings* settings = g_database->GetSettings(); + settings->SetUploadsEnabled(enable_uploads); + } +} + +bool GetUploadsEnabled() { + if (g_database) { + crashpad::Settings* settings = g_database->GetSettings(); + bool enable_uploads; + if (settings->GetUploadsEnabled(&enable_uploads)) { + return enable_uploads; + } + } + + return false; +} + +void GetUploadedReports(std::vector<UploadedReport>* uploaded_reports) { + uploaded_reports->clear(); + + if (!g_database) { + return; + } + + std::vector<crashpad::CrashReportDatabase::Report> completed_reports; + crashpad::CrashReportDatabase::OperationStatus status = + g_database->GetCompletedReports(&completed_reports); + if (status != crashpad::CrashReportDatabase::kNoError) { + return; + } + + for (const crashpad::CrashReportDatabase::Report& completed_report : + completed_reports) { + if (completed_report.uploaded) { + UploadedReport uploaded_report; + uploaded_report.local_id = completed_report.uuid.ToString(); + uploaded_report.remote_id = completed_report.id; + uploaded_report.creation_time = completed_report.creation_time; + + uploaded_reports->push_back(uploaded_report); + } + } + + struct { + bool operator()(const UploadedReport& a, const UploadedReport& b) { + return a.creation_time >= b.creation_time; + } + } sort_by_time; + std::sort(uploaded_reports->begin(), uploaded_reports->end(), sort_by_time); +} + +} // namespace crash_reporter |