diff options
Diffstat (limited to 'chrome/common/service_process_util_mac.mm')
-rw-r--r-- | chrome/common/service_process_util_mac.mm | 249 |
1 files changed, 197 insertions, 52 deletions
diff --git a/chrome/common/service_process_util_mac.mm b/chrome/common/service_process_util_mac.mm index a956ec8..abb0229 100644 --- a/chrome/common/service_process_util_mac.mm +++ b/chrome/common/service_process_util_mac.mm @@ -1,4 +1,4 @@ -// Copyright (c) 2010 The Chromium Authors. All rights reserved. +// Copyright (c) 2011 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. @@ -7,13 +7,18 @@ #import <Foundation/Foundation.h> #include <launch.h> +#include <vector> + #include "base/command_line.h" #include "base/file_path.h" +#include "base/file_util.h" #include "base/mac/foundation_util.h" #include "base/mac/mac_util.h" #include "base/mac/scoped_nsautorelease_pool.h" #include "base/path_service.h" +#include "base/process_util.h" #include "base/scoped_nsobject.h" +#include "base/stringprintf.h" #include "base/string_util.h" #include "base/sys_string_conversions.h" #include "base/threading/thread_restrictions.h" @@ -21,20 +26,24 @@ #include "chrome/common/chrome_paths.h" #include "chrome/common/chrome_switches.h" #include "chrome/common/chrome_version_info.h" +#include "chrome/common/launchd_mac.h" #include "content/common/child_process_host.h" -#include "third_party/GTM/Foundation/GTMServiceManagement.h" namespace { -NSString* GetServiceProcessLaunchDFileName() { - NSString *bundle_id = [base::mac::MainAppBundle() bundleIdentifier]; - NSString *label = [bundle_id stringByAppendingPathExtension:@"plist"]; - return label; +#define kServiceProcessSessionType "Background" + +CFStringRef CopyServiceProcessLaunchDName() { + base::mac::ScopedNSAutoreleasePool pool; + NSBundle* bundle = base::mac::MainAppBundle(); + return CFStringCreateCopy(kCFAllocatorDefault, + base::mac::NSToCFCast([bundle bundleIdentifier])); } NSString* GetServiceProcessLaunchDLabel() { - NSString *bundle_id = [base::mac::MainAppBundle() bundleIdentifier]; - NSString *label = [bundle_id stringByAppendingString:@".service_process"]; + scoped_nsobject<NSString> name( + base::mac::CFToNSCast(CopyServiceProcessLaunchDName())); + NSString *label = [name stringByAppendingString:@".service_process"]; FilePath user_data_dir; PathService::Get(chrome::DIR_USER_DATA, &user_data_dir); std::string user_data_dir_path = user_data_dir.value(); @@ -58,36 +67,30 @@ NSString* GetServiceProcessLaunchDSocketEnvVar() { return env_var; } -// Creates the path that it returns. Must be called on the FILE thread. -NSURL* GetUserAgentPath() { - NSArray* library_paths = NSSearchPathForDirectoriesInDomains( - NSLibraryDirectory, NSUserDomainMask, true); - DCHECK_EQ([library_paths count], 1U); - NSString* library_path = [library_paths objectAtIndex:0]; - NSString* launch_agents_path = - [library_path stringByAppendingPathComponent:@"LaunchAgents"]; - - NSError* err; - if (![[NSFileManager defaultManager] createDirectoryAtPath:launch_agents_path - withIntermediateDirectories:YES - attributes:nil - error:&err]) { - LOG(ERROR) << "GetUserAgentPath: " << err; - } - - NSString* plist_file_path = - [launch_agents_path - stringByAppendingPathComponent:GetServiceProcessLaunchDFileName()]; - return [NSURL fileURLWithPath:plist_file_path isDirectory:NO]; +bool GetParentFSRef(const FSRef& child, FSRef* parent) { + return FSGetCatalogInfo(&child, 0, NULL, NULL, NULL, parent) == noErr; } -} +class ExecFilePathWatcherDelegate : public FilePathWatcher::Delegate { + public: + ExecFilePathWatcherDelegate() : process_state_(NULL) { } + bool Init(const FilePath& path, ServiceProcessState *process_state); + virtual ~ExecFilePathWatcherDelegate() { } + virtual void OnFilePathChanged(const FilePath& path) OVERRIDE; + + private: + FSRef executable_fsref_; + ServiceProcessState* process_state_; +}; + +} // namespace // Gets the name of the service process IPC channel. IPC::ChannelHandle GetServiceProcessChannel() { + base::mac::ScopedNSAutoreleasePool pool; std::string socket_path; scoped_nsobject<NSDictionary> dictionary( - base::mac::CFToNSCast(GTMCopyLaunchdExports())); + base::mac::CFToNSCast(Launchd::GetInstance()->CopyExports())); NSString *ns_socket_path = [dictionary objectForKey:GetServiceProcessLaunchDSocketEnvVar()]; if (ns_socket_path) { @@ -98,9 +101,10 @@ IPC::ChannelHandle GetServiceProcessChannel() { bool ForceServiceProcessShutdown(const std::string& /* version */, base::ProcessId /* process_id */) { - NSString* label = GetServiceProcessLaunchDLabel(); + base::mac::ScopedNSAutoreleasePool pool; + CFStringRef label = base::mac::NSToCFCast(GetServiceProcessLaunchDLabel()); CFErrorRef err = NULL; - bool ret = GTMSMJobRemove(reinterpret_cast<CFStringRef>(label), &err); + bool ret = Launchd::GetInstance()->RemoveJob(label, &err); if (!ret) { LOG(ERROR) << "ForceServiceProcessShutdown: " << err; CFRelease(err); @@ -109,10 +113,10 @@ bool ForceServiceProcessShutdown(const std::string& /* version */, } bool GetServiceProcessData(std::string* version, base::ProcessId* pid) { - CFStringRef label = - reinterpret_cast<CFStringRef>(GetServiceProcessLaunchDLabel()); - scoped_nsobject<NSDictionary> launchd_conf( - base::mac::CFToNSCast(GTMSMJobCopyDictionary(label))); + base::mac::ScopedNSAutoreleasePool pool; + CFStringRef label = base::mac::NSToCFCast(GetServiceProcessLaunchDLabel()); + scoped_nsobject<NSDictionary> launchd_conf(base::mac::CFToNSCast( + Launchd::GetInstance()->CopyJobDictionary(label))); if (!launchd_conf.get()) { return false; } @@ -160,12 +164,16 @@ bool ServiceProcessState::Initialize() { return false; } CFErrorRef err = NULL; - state_->launchd_conf_.reset(GTMSMJobCheckIn(&err)); - if (!state_->launchd_conf_.get()) { - LOG(ERROR) << "InitializePlatformState: " << err; + CFDictionaryRef dict = + Launchd::GetInstance()->CopyDictionaryByCheckingIn(&err); + + if (!dict) { + LOG(ERROR) << "CopyLaunchdDictionaryByCheckingIn: " << err; CFRelease(err); return false; } + state_->launchd_conf_.reset(dict); + state_->ui_message_loop_= base::MessageLoopProxy::CreateForCurrentThread(); return true; } @@ -266,7 +274,7 @@ CFDictionaryRef CreateServiceProcessLaunchdPlist(CommandLine* cmd_line, [[NSDictionary alloc] initWithObjectsAndKeys: [NSNumber numberWithBool:YES], @ LAUNCH_JOBKEY_RUNATLOAD, keep_alive, @ LAUNCH_JOBKEY_KEEPALIVE, - @"Background", @ LAUNCH_JOBKEY_LIMITLOADTOSESSIONTYPE, + @ kServiceProcessSessionType, @ LAUNCH_JOBKEY_LIMITLOADTOSESSIONTYPE, nil]; [launchd_plist addEntriesFromDictionary:auto_launchd_plist]; } @@ -280,25 +288,162 @@ bool ServiceProcessState::AddToAutoRun() { // We're creating directories and writing a file. base::ThreadRestrictions::AssertIOAllowed(); DCHECK(autorun_command_line_.get()); - - base::mac::ScopedNSAutoreleasePool pool; - scoped_nsobject<NSDictionary> plist( - base::mac::CFToNSCast(CreateServiceProcessLaunchdPlist( - autorun_command_line_.get(), true))); - NSURL* plist_url = GetUserAgentPath(); - return [plist writeToURL:plist_url atomically:YES]; + base::mac::ScopedCFTypeRef<CFStringRef> name(CopyServiceProcessLaunchDName()); + base::mac::ScopedCFTypeRef<CFDictionaryRef> plist( + CreateServiceProcessLaunchdPlist(autorun_command_line_.get(), true)); + return Launchd::GetInstance()->WritePlistToFile(Launchd::User, + Launchd::Agent, + name, + plist); } bool ServiceProcessState::RemoveFromAutoRun() { // We're killing a file. base::ThreadRestrictions::AssertIOAllowed(); + base::mac::ScopedCFTypeRef<CFStringRef> name(CopyServiceProcessLaunchDName()); + return Launchd::GetInstance()->DeletePlist(Launchd::User, + Launchd::Agent, + name); +} +void ServiceProcessState::StateData::WatchExecutable() { base::mac::ScopedNSAutoreleasePool pool; - NSURL* plist_url = GetUserAgentPath(); - SInt32 error = 0; - if (!CFURLDestroyResource(reinterpret_cast<CFURLRef>(plist_url), &error)) { - LOG(ERROR) << "RemoveFromAutoRun: " << error; + NSDictionary* ns_launchd_conf = base::mac::CFToNSCast(launchd_conf_); + NSString* exe_path = [ns_launchd_conf objectForKey:@ LAUNCH_JOBKEY_PROGRAM]; + if (!exe_path) { + LOG(ERROR) << "No " LAUNCH_JOBKEY_PROGRAM; + return; + } + + FilePath executable_path = FilePath([exe_path fileSystemRepresentation]); + scoped_ptr<ExecFilePathWatcherDelegate> delegate( + new ExecFilePathWatcherDelegate); + if (!delegate->Init(executable_path, state_)) { + LOG(ERROR) << "executable_watcher_.Init " << executable_path.value(); + return; + } + if (!executable_watcher_.Watch(executable_path, + delegate.release(), + ui_message_loop_)) { + LOG(ERROR) << "executable_watcher_.watch " << executable_path.value(); + return; + } +} + +bool ExecFilePathWatcherDelegate::Init(const FilePath& path, + ServiceProcessState *process_state) { + if (!process_state || + !base::mac::FSRefFromPath(path.value(), &executable_fsref_)) { return false; } + process_state_ = process_state; return true; } + +void ExecFilePathWatcherDelegate::OnFilePathChanged(const FilePath& path) { + base::mac::ScopedNSAutoreleasePool pool; + bool needs_shutdown = false; + bool needs_restart = false; + bool good_bundle = false; + + FSRef macos_fsref; + if (GetParentFSRef(executable_fsref_, &macos_fsref)) { + FSRef contents_fsref; + if (GetParentFSRef(macos_fsref, &contents_fsref)) { + FSRef bundle_fsref; + if (GetParentFSRef(contents_fsref, &bundle_fsref)) { + base::mac::ScopedCFTypeRef<CFURLRef> bundle_url( + CFURLCreateFromFSRef(kCFAllocatorDefault, &bundle_fsref)); + if (bundle_url.get()) { + base::mac::ScopedCFTypeRef<CFBundleRef> bundle( + CFBundleCreate(kCFAllocatorDefault, bundle_url)); + // Check to see if the bundle still has a minimal structure. + good_bundle = CFBundleGetIdentifier(bundle) != NULL; + } + } + } + } + if (!good_bundle) { + needs_shutdown = true; + } else { + Boolean in_trash; + OSErr err = FSDetermineIfRefIsEnclosedByFolder(kOnAppropriateDisk, + kTrashFolderType, + &executable_fsref_, + &in_trash); + if (err == noErr && in_trash) { + needs_shutdown = true; + } else { + bool was_moved = true; + FSRef path_ref; + if (base::mac::FSRefFromPath(path.value(), &path_ref)) { + if (FSCompareFSRefs(&path_ref, &executable_fsref_) == noErr) { + was_moved = false; + } + } + if (was_moved) { + needs_restart = true; + } + } + } + if (needs_shutdown || needs_restart) { + // First deal with the plist. + base::mac::ScopedCFTypeRef<CFStringRef> name( + CopyServiceProcessLaunchDName()); + if (needs_restart) { + base::mac::ScopedCFTypeRef<CFMutableDictionaryRef> plist( + Launchd::GetInstance()->CreatePlistFromFile(Launchd::User, + Launchd::Agent, + name)); + if (plist.get()) { + NSMutableDictionary* ns_plist = base::mac::CFToNSCast(plist); + std::string new_path = base::mac::PathFromFSRef(executable_fsref_); + NSString* ns_new_path = base::SysUTF8ToNSString(new_path); + [ns_plist setObject:ns_new_path forKey:@ LAUNCH_JOBKEY_PROGRAM]; + scoped_nsobject<NSMutableArray> args( + [[ns_plist objectForKey:@ LAUNCH_JOBKEY_PROGRAMARGUMENTS] + mutableCopy]); + [args replaceObjectAtIndex:0 withObject:ns_new_path]; + [ns_plist setObject:args forKey:@ LAUNCH_JOBKEY_PROGRAMARGUMENTS]; + if (!Launchd::GetInstance()->WritePlistToFile(Launchd::User, + Launchd::Agent, + name, + plist)) { + LOG(ERROR) << "Unable to rewrite plist."; + needs_shutdown = true; + } + } else { + LOG(ERROR) << "Unable to read plist."; + needs_shutdown = true; + } + } + if (needs_shutdown) { + if (!process_state_->RemoveFromAutoRun()) { + LOG(ERROR) << "Unable to RemoveFromAutoRun."; + } + } + + // Then deal with the process. + CFStringRef session_type = CFSTR(kServiceProcessSessionType); + if (needs_restart) { + if (!Launchd::GetInstance()->RestartJob(Launchd::User, + Launchd::Agent, + name, + session_type)) { + LOG(ERROR) << "RestartLaunchdJob"; + needs_shutdown = true; + } + } + if (needs_shutdown) { + CFStringRef label = + base::mac::NSToCFCast(GetServiceProcessLaunchDLabel()); + CFErrorRef err = NULL; + if (!Launchd::GetInstance()->RemoveJob(label, &err)) { + base::mac::ScopedCFTypeRef<CFErrorRef> scoped_err(err); + LOG(ERROR) << "RemoveJob " << err; + // Exiting with zero, so launchd doesn't restart the process. + exit(0); + } + } + } +} |