mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-11 02:56:06 +00:00
1262 lines
36 KiB
C++
1262 lines
36 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdlib.h>
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#include <stdio.h>
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#include "nsUpdateDriver.h"
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#include "nsXULAppAPI.h"
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#include "nsAppRunner.h"
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#include "nsIWritablePropertyBag.h"
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#include "nsIFile.h"
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#include "nsVariant.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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#include "prproces.h"
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#include "mozilla/Logging.h"
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#include "prenv.h"
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#include "nsVersionComparator.h"
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#include "nsXREDirProvider.h"
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#include "SpecialSystemDirectory.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsThreadUtils.h"
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#include "nsIXULAppInfo.h"
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#include "mozilla/Preferences.h"
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#include "nsPrintfCString.h"
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#include "mozilla/DebugOnly.h"
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#ifdef XP_MACOSX
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#include "nsILocalFileMac.h"
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#include "nsCommandLineServiceMac.h"
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#include "MacLaunchHelper.h"
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#endif
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#if defined(XP_WIN)
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# include <direct.h>
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# include <process.h>
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# include <windows.h>
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# include <shlwapi.h>
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# include "nsWindowsHelpers.h"
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# define getcwd(path, size) _getcwd(path, size)
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# define getpid() GetCurrentProcessId()
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#elif defined(XP_UNIX)
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# include <unistd.h>
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#endif
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using namespace mozilla;
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//
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// We use execv to spawn the updater process on all UNIX systems except Mac OSX
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// since it is known to cause problems on the Mac. Windows has execv, but it
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// is a faked implementation that doesn't really replace the current process.
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// Instead it spawns a new process, so we gain nothing from using execv on
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// Windows.
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//
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// On platforms where we are not calling execv, we may need to make the
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// updater executable wait for the calling process to exit. Otherwise, the
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// updater may have trouble modifying our executable image (because it might
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// still be in use). This is accomplished by passing our PID to the updater so
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// that it can wait for us to exit. This is not perfect as there is a race
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// condition that could bite us. It's possible that the calling process could
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// exit before the updater waits on the specified PID, and in the meantime a
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// new process with the same PID could be created. This situation is unlikely,
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// however, given the way most operating systems recycle PIDs. We'll take our
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// chances ;-)
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//
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// A similar #define lives in updater.cpp and should be kept in sync with this.
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//
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#if defined(XP_UNIX) && !defined(XP_MACOSX)
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#define USE_EXECV
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#endif
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static PRLogModuleInfo *
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GetUpdateLog()
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{
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static PRLogModuleInfo *sUpdateLog;
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if (!sUpdateLog)
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sUpdateLog = PR_NewLogModule("updatedriver");
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return sUpdateLog;
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}
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#define LOG(args) MOZ_LOG(GetUpdateLog(), mozilla::LogLevel::Debug, args)
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#ifdef XP_WIN
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#define UPDATER_BIN "updater.exe"
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#else
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#define UPDATER_BIN "updater"
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#endif
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#define UPDATER_INI "updater.ini"
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#ifdef XP_MACOSX
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#define UPDATER_APP "updater.app"
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#endif
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#if defined(XP_UNIX) && !defined(XP_MACOSX)
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#define UPDATER_PNG "updater.png"
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#endif
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#if defined(MOZ_WIDGET_GONK)
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#include <linux/ioprio.h>
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static const int kB2GServiceArgc = 2;
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static const char *kB2GServiceArgv[] = { "/system/bin/start", "b2g" };
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static const char kAppUpdaterPrio[] = "app.update.updater.prio";
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static const char kAppUpdaterOomScoreAdj[] = "app.update.updater.oom_score_adj";
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static const char kAppUpdaterIOPrioClass[] = "app.update.updater.ioprio.class";
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static const char kAppUpdaterIOPrioLevel[] = "app.update.updater.ioprio.level";
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static const int kAppUpdaterPrioDefault = 19; // -20..19 where 19 = lowest priority
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static const int kAppUpdaterOomScoreAdjDefault = -1000; // -1000 = Never kill
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static const int kAppUpdaterIOPrioClassDefault = IOPRIO_CLASS_IDLE;
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static const int kAppUpdaterIOPrioLevelDefault = 0; // Doesn't matter for CLASS IDLE
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#endif
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static nsresult
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GetCurrentWorkingDir(char *buf, size_t size)
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{
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// Cannot use NS_GetSpecialDirectory because XPCOM is not yet initialized.
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// This code is duplicated from xpcom/io/SpecialSystemDirectory.cpp:
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#if defined(XP_WIN)
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wchar_t wpath[MAX_PATH];
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if (!_wgetcwd(wpath, size))
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return NS_ERROR_FAILURE;
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NS_ConvertUTF16toUTF8 path(wpath);
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strncpy(buf, path.get(), size);
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#else
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if(!getcwd(buf, size))
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return NS_ERROR_FAILURE;
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#endif
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return NS_OK;
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}
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/**
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* Get the path to the installation directory. For Mac OS X this will be the
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* bundle directory.
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*
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* @param appDir the application directory file object
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* @param installDirPath the path to the installation directory
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*/
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static nsresult
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GetInstallDirPath(nsIFile *appDir, nsACString& installDirPath)
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{
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nsresult rv;
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#ifdef XP_MACOSX
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nsCOMPtr<nsIFile> parentDir1, parentDir2;
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rv = appDir->GetParent(getter_AddRefs(parentDir1));
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if (NS_FAILED(rv)) {
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return rv;
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}
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rv = parentDir1->GetParent(getter_AddRefs(parentDir2));
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if (NS_FAILED(rv)) {
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return rv;
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}
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rv = parentDir2->GetNativePath(installDirPath);
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#elif XP_WIN
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nsAutoString installDirPathW;
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rv = appDir->GetPath(installDirPathW);
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if (NS_FAILED(rv)) {
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return rv;
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}
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installDirPath = NS_ConvertUTF16toUTF8(installDirPathW);
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#else
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rv = appDir->GetNativePath(installDirPath);
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#endif
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if (NS_FAILED(rv)) {
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return rv;
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}
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return NS_OK;
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}
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#if defined(XP_MACOSX)
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// This is a copy of OS X's XRE_GetBinaryPath from nsAppRunner.cpp with the
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// gBinaryPath check removed so that the updater can reload the stub executable
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// instead of xulrunner-bin. See bug 349737.
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static nsresult
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GetXULRunnerStubPath(const char* argv0, nsIFile* *aResult)
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{
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// Works even if we're not bundled.
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CFBundleRef appBundle = ::CFBundleGetMainBundle();
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if (!appBundle)
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return NS_ERROR_FAILURE;
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CFURLRef bundleURL = ::CFBundleCopyExecutableURL(appBundle);
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if (!bundleURL)
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsILocalFileMac> lfm;
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nsresult rv = NS_NewLocalFileWithCFURL(bundleURL, true, getter_AddRefs(lfm));
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::CFRelease(bundleURL);
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if (NS_FAILED(rv))
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return rv;
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lfm.forget(aResult);
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return NS_OK;
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}
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#endif /* XP_MACOSX */
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static bool
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GetFile(nsIFile *dir, const nsCSubstring &name, nsCOMPtr<nsIFile> &result)
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{
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nsresult rv;
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nsCOMPtr<nsIFile> file;
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rv = dir->Clone(getter_AddRefs(file));
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if (NS_FAILED(rv))
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return false;
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rv = file->AppendNative(name);
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if (NS_FAILED(rv))
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return false;
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result = do_QueryInterface(file, &rv);
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return NS_SUCCEEDED(rv);
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}
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static bool
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GetStatusFile(nsIFile *dir, nsCOMPtr<nsIFile> &result)
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{
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return GetFile(dir, NS_LITERAL_CSTRING("update.status"), result);
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}
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/**
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* Get the contents of the update.status file.
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*
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* @param statusFile the status file object.
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* @param buf the buffer holding the file contents
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*
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* @return true if successful, false otherwise.
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*/
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template <size_t Size>
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static bool
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GetStatusFileContents(nsIFile *statusFile, char (&buf)[Size])
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{
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// The buffer needs to be large enough to hold the known status codes
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PR_STATIC_ASSERT(Size > 16);
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PRFileDesc *fd = nullptr;
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nsresult rv = statusFile->OpenNSPRFileDesc(PR_RDONLY, 0660, &fd);
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if (NS_FAILED(rv))
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return false;
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const int32_t n = PR_Read(fd, buf, Size);
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PR_Close(fd);
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return (n >= 0);
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}
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typedef enum {
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eNoUpdateAction,
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ePendingUpdate,
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ePendingService,
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eAppliedUpdate,
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eAppliedService
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} UpdateStatus;
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/**
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* Returns a value indicating what needs to be done in order to handle an update.
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*
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* @param dir the directory in which we should look for an update.status file.
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* @param statusFile the update.status file found in the directory.
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*
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* @return the update action to be performed.
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*/
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static UpdateStatus
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GetUpdateStatus(nsIFile* dir, nsCOMPtr<nsIFile> &statusFile)
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{
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if (GetStatusFile(dir, statusFile)) {
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char buf[32];
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if (GetStatusFileContents(statusFile, buf)) {
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const char kPending[] = "pending";
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const char kPendingService[] = "pending-service";
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const char kApplied[] = "applied";
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const char kAppliedService[] = "applied-service";
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if (!strncmp(buf, kPendingService, sizeof(kPendingService) - 1)) {
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return ePendingService;
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}
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if (!strncmp(buf, kPending, sizeof(kPending) - 1)) {
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return ePendingUpdate;
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}
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if (!strncmp(buf, kAppliedService, sizeof(kAppliedService) - 1)) {
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return eAppliedService;
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}
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if (!strncmp(buf, kApplied, sizeof(kApplied) - 1)) {
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return eAppliedUpdate;
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}
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}
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}
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return eNoUpdateAction;
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}
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static bool
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GetVersionFile(nsIFile *dir, nsCOMPtr<nsIFile> &result)
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{
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return GetFile(dir, NS_LITERAL_CSTRING("update.version"), result);
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}
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// Compares the current application version with the update's application
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// version.
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static bool
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IsOlderVersion(nsIFile *versionFile, const char *appVersion)
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{
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PRFileDesc *fd = nullptr;
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nsresult rv = versionFile->OpenNSPRFileDesc(PR_RDONLY, 0660, &fd);
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if (NS_FAILED(rv))
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return true;
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char buf[32];
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const int32_t n = PR_Read(fd, buf, sizeof(buf));
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PR_Close(fd);
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if (n < 0)
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return false;
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// Trim off the trailing newline
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if (buf[n - 1] == '\n')
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buf[n - 1] = '\0';
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// If the update xml doesn't provide the application version the file will
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// contain the string "null" and it is assumed that the update is not older.
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const char kNull[] = "null";
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if (strncmp(buf, kNull, sizeof(kNull) - 1) == 0)
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return false;
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if (mozilla::Version(appVersion) > buf)
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return true;
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return false;
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}
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static bool
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CopyFileIntoUpdateDir(nsIFile *parentDir, const nsACString& leaf, nsIFile *updateDir)
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{
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nsCOMPtr<nsIFile> file;
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// Make sure there is not an existing file in the target location.
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nsresult rv = updateDir->Clone(getter_AddRefs(file));
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if (NS_FAILED(rv))
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return false;
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rv = file->AppendNative(leaf);
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if (NS_FAILED(rv))
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return false;
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file->Remove(true);
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// Now, copy into the target location.
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rv = parentDir->Clone(getter_AddRefs(file));
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if (NS_FAILED(rv))
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return false;
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rv = file->AppendNative(leaf);
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if (NS_FAILED(rv))
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return false;
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rv = file->CopyToNative(updateDir, EmptyCString());
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if (NS_FAILED(rv))
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return false;
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return true;
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}
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static bool
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CopyUpdaterIntoUpdateDir(nsIFile *greDir, nsIFile *appDir, nsIFile *updateDir,
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nsCOMPtr<nsIFile> &updater)
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{
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// Copy the updater application from the GRE and the updater ini from the app
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#if defined(XP_MACOSX)
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if (!CopyFileIntoUpdateDir(appDir, NS_LITERAL_CSTRING(UPDATER_APP), updateDir))
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return false;
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CopyFileIntoUpdateDir(greDir, NS_LITERAL_CSTRING(UPDATER_INI), updateDir);
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#else
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if (!CopyFileIntoUpdateDir(greDir, NS_LITERAL_CSTRING(UPDATER_BIN), updateDir))
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return false;
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CopyFileIntoUpdateDir(appDir, NS_LITERAL_CSTRING(UPDATER_INI), updateDir);
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#endif
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#if defined(XP_UNIX) && !defined(XP_MACOSX) && !defined(ANDROID)
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nsCOMPtr<nsIFile> iconDir;
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appDir->Clone(getter_AddRefs(iconDir));
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iconDir->AppendNative(NS_LITERAL_CSTRING("icons"));
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if (!CopyFileIntoUpdateDir(iconDir, NS_LITERAL_CSTRING(UPDATER_PNG), updateDir))
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return false;
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#endif
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// Finally, return the location of the updater binary.
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nsresult rv = updateDir->Clone(getter_AddRefs(updater));
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if (NS_FAILED(rv))
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return false;
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#if defined(XP_MACOSX)
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rv = updater->AppendNative(NS_LITERAL_CSTRING(UPDATER_APP));
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nsresult tmp = updater->AppendNative(NS_LITERAL_CSTRING("Contents"));
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if (NS_FAILED(tmp)) {
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rv = tmp;
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}
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tmp = updater->AppendNative(NS_LITERAL_CSTRING("MacOS"));
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if (NS_FAILED(tmp) || NS_FAILED(rv))
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return false;
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#endif
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rv = updater->AppendNative(NS_LITERAL_CSTRING(UPDATER_BIN));
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return NS_SUCCEEDED(rv);
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}
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/**
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* Appends the specified path to the library path.
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* This is used so that updater can find libmozsqlite3.so and other shared libs.
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*
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* @param pathToAppend A new library path to prepend to LD_LIBRARY_PATH
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*/
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#if defined(MOZ_VERIFY_MAR_SIGNATURE) && !defined(XP_WIN) && \
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!defined(XP_MACOSX) && !defined(MOZ_WIDGET_GONK)
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#include "prprf.h"
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#define PATH_SEPARATOR ":"
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#define LD_LIBRARY_PATH_ENVVAR_NAME "LD_LIBRARY_PATH"
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static void
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AppendToLibPath(const char *pathToAppend)
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{
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char *pathValue = getenv(LD_LIBRARY_PATH_ENVVAR_NAME);
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if (nullptr == pathValue || '\0' == *pathValue) {
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char *s = PR_smprintf("%s=%s", LD_LIBRARY_PATH_ENVVAR_NAME, pathToAppend);
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PR_SetEnv(s);
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} else if (!strstr(pathValue, pathToAppend)) {
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char *s = PR_smprintf("%s=%s" PATH_SEPARATOR "%s",
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LD_LIBRARY_PATH_ENVVAR_NAME, pathToAppend, pathValue);
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PR_SetEnv(s);
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}
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// The memory used by PR_SetEnv is not copied to the environment on all
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// platform, it can be used by reference directly. So we purposely do not
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// call PR_smprintf_free on s. Subsequent calls to PR_SetEnv will free
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// the old memory first.
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}
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#endif
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/**
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* Switch an existing application directory to an updated version that has been
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* staged.
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*
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* @param greDir the GRE dir
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* @param updateDir the update dir where the mar file is located
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* @param appDir the app dir
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* @param appArgc the number of args to the application
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* @param appArgv the args to the application, used for restarting if needed
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*/
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static void
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SwitchToUpdatedApp(nsIFile *greDir, nsIFile *updateDir,
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nsIFile *appDir, int appArgc, char **appArgv)
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{
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nsresult rv;
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// Steps:
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// - copy updater into updates/0/MozUpdater/bgupdate/ dir on all platforms
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// except Windows
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// - run updater with the correct arguments
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#ifndef XP_WIN
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nsCOMPtr<nsIFile> mozUpdaterDir;
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rv = updateDir->Clone(getter_AddRefs(mozUpdaterDir));
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if (NS_FAILED(rv)) {
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LOG(("failed cloning update dir\n"));
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return;
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}
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// Create a new directory named MozUpdater in the updates/0 directory to copy
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|
// the updater files to that will be used to replace the installation with the
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// staged application that has been updated. Note that we don't check for
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// directory creation errors since the call to CopyUpdaterIntoUpdateDir will
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// fail if the creation of the directory fails. A unique directory is created
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// in MozUpdater in case a previous attempt locked the directory or files.
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mozUpdaterDir->Append(NS_LITERAL_STRING("MozUpdater"));
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mozUpdaterDir->Append(NS_LITERAL_STRING("bgupdate"));
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mozUpdaterDir->CreateUnique(nsIFile::DIRECTORY_TYPE, 0755);
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nsCOMPtr<nsIFile> updater;
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if (!CopyUpdaterIntoUpdateDir(greDir, appDir, mozUpdaterDir, updater)) {
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LOG(("failed copying updater\n"));
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return;
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}
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#endif
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// We need to use the value returned from XRE_GetBinaryPath when attempting
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// to restart the running application.
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nsCOMPtr<nsIFile> appFile;
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#if defined(XP_MACOSX)
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|
// On OS X we need to pass the location of the xulrunner-stub executable
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|
// rather than xulrunner-bin. See bug 349737.
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|
GetXULRunnerStubPath(appArgv[0], getter_AddRefs(appFile));
|
|
#else
|
|
XRE_GetBinaryPath(appArgv[0], getter_AddRefs(appFile));
|
|
#endif
|
|
|
|
if (!appFile)
|
|
return;
|
|
|
|
#ifdef XP_WIN
|
|
nsAutoString appFilePathW;
|
|
rv = appFile->GetPath(appFilePathW);
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
NS_ConvertUTF16toUTF8 appFilePath(appFilePathW);
|
|
|
|
nsCOMPtr<nsIFile> updater;
|
|
rv = greDir->Clone(getter_AddRefs(updater));
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
rv = updater->AppendNative(NS_LITERAL_CSTRING(UPDATER_BIN));
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
nsAutoString updaterPathW;
|
|
rv = updater->GetPath(updaterPathW);
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
NS_ConvertUTF16toUTF8 updaterPath(updaterPathW);
|
|
#else
|
|
|
|
nsAutoCString appFilePath;
|
|
#if defined(MOZ_WIDGET_GONK)
|
|
appFilePath.Assign(kB2GServiceArgv[0]);
|
|
appArgc = kB2GServiceArgc;
|
|
appArgv = const_cast<char**>(kB2GServiceArgv);
|
|
#else
|
|
rv = appFile->GetNativePath(appFilePath);
|
|
if (NS_FAILED(rv))
|
|
return;
|
|
#endif
|
|
|
|
nsAutoCString updaterPath;
|
|
rv = updater->GetNativePath(updaterPath);
|
|
if (NS_FAILED(rv))
|
|
return;
|
|
#endif
|
|
|
|
nsAutoCString installDirPath;
|
|
rv = GetInstallDirPath(appDir, installDirPath);
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
// Get the directory where the update will be staged.
|
|
nsAutoCString applyToDir;
|
|
nsCOMPtr<nsIFile> updatedDir;
|
|
#ifdef XP_MACOSX
|
|
if (!GetFile(updateDir, NS_LITERAL_CSTRING("Updated.app"), updatedDir)) {
|
|
#else
|
|
if (!GetFile(appDir, NS_LITERAL_CSTRING("updated"), updatedDir)) {
|
|
#endif
|
|
return;
|
|
}
|
|
#ifdef XP_WIN
|
|
nsAutoString applyToDirW;
|
|
rv = updatedDir->GetPath(applyToDirW);
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
applyToDir = NS_ConvertUTF16toUTF8(applyToDirW);
|
|
#else
|
|
rv = updatedDir->GetNativePath(applyToDir);
|
|
#endif
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
// Make sure that the updated directory exists
|
|
bool updatedDirExists = false;
|
|
updatedDir->Exists(&updatedDirExists);
|
|
if (!updatedDirExists) {
|
|
return;
|
|
}
|
|
|
|
#if defined(XP_WIN)
|
|
nsAutoString updateDirPathW;
|
|
rv = updateDir->GetPath(updateDirPathW);
|
|
NS_ConvertUTF16toUTF8 updateDirPath(updateDirPathW);
|
|
#else
|
|
nsAutoCString updateDirPath;
|
|
rv = updateDir->GetNativePath(updateDirPath);
|
|
#endif
|
|
if (NS_FAILED(rv))
|
|
return;
|
|
|
|
// Get the current working directory.
|
|
char workingDirPath[MAXPATHLEN];
|
|
rv = GetCurrentWorkingDir(workingDirPath, sizeof(workingDirPath));
|
|
if (NS_FAILED(rv))
|
|
return;
|
|
|
|
// Construct the PID argument for this process. If we are using execv, then
|
|
// we pass "0" which is then ignored by the updater.
|
|
#if defined(USE_EXECV)
|
|
nsAutoCString pid("0");
|
|
#else
|
|
nsAutoCString pid;
|
|
pid.AppendInt((int32_t) getpid());
|
|
#endif
|
|
|
|
// Append a special token to the PID in order to let the updater know that it
|
|
// just needs to replace the update directory.
|
|
pid.AppendLiteral("/replace");
|
|
|
|
int immersiveArgc = 0;
|
|
int argc = appArgc + 6 + immersiveArgc;
|
|
char **argv = new char*[argc + 1];
|
|
if (!argv)
|
|
return;
|
|
argv[0] = (char*) updaterPath.get();
|
|
argv[1] = (char*) updateDirPath.get();
|
|
argv[2] = (char*) installDirPath.get();
|
|
argv[3] = (char*) applyToDir.get();
|
|
argv[4] = (char*) pid.get();
|
|
if (appArgc) {
|
|
argv[5] = workingDirPath;
|
|
argv[6] = (char*) appFilePath.get();
|
|
for (int i = 1; i < appArgc; ++i)
|
|
argv[6 + i] = appArgv[i];
|
|
#ifdef XP_WIN
|
|
if (immersiveArgc) {
|
|
argv[argc - 1] = "-ServerName:DefaultBrowserServer";
|
|
}
|
|
#endif
|
|
argv[argc] = nullptr;
|
|
} else {
|
|
argc = 5;
|
|
argv[5] = nullptr;
|
|
}
|
|
|
|
if (gSafeMode) {
|
|
PR_SetEnv("MOZ_SAFE_MODE_RESTART=1");
|
|
}
|
|
#if defined(MOZ_VERIFY_MAR_SIGNATURE) && !defined(XP_WIN) && \
|
|
!defined(XP_MACOSX) && !defined(MOZ_WIDGET_GONK)
|
|
AppendToLibPath(installDirPath.get());
|
|
#endif
|
|
|
|
LOG(("spawning updater process for replacing [%s]\n", updaterPath.get()));
|
|
|
|
#if defined(USE_EXECV)
|
|
# if defined(MOZ_WIDGET_GONK)
|
|
// In Gonk, we preload libmozglue, which the updater process doesn't need.
|
|
// Since the updater will move and delete libmozglue.so, this can actually
|
|
// stop the /system mount from correctly being remounted as read-only.
|
|
unsetenv("LD_PRELOAD");
|
|
# endif
|
|
execv(updaterPath.get(), argv);
|
|
#elif defined(XP_WIN)
|
|
// Switch the application using updater.exe
|
|
if (!WinLaunchChild(updaterPathW.get(), argc, argv)) {
|
|
return;
|
|
}
|
|
_exit(0);
|
|
#elif defined(XP_MACOSX)
|
|
CommandLineServiceMac::SetupMacCommandLine(argc, argv, true);
|
|
// LaunchChildMac uses posix_spawnp and prefers the current
|
|
// architecture when launching. It doesn't require a
|
|
// null-terminated string but it doesn't matter if we pass one.
|
|
LaunchChildMac(argc, argv);
|
|
exit(0);
|
|
#else
|
|
PR_CreateProcessDetached(updaterPath.get(), argv, nullptr, nullptr);
|
|
exit(0);
|
|
#endif
|
|
}
|
|
|
|
#if defined(MOZ_WIDGET_GONK)
|
|
static nsresult
|
|
GetOSApplyToDir(nsACString& applyToDir)
|
|
{
|
|
nsCOMPtr<nsIProperties> ds =
|
|
do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
|
|
NS_ASSERTION(ds, "Can't get directory service");
|
|
|
|
nsCOMPtr<nsIFile> osApplyToDir;
|
|
nsresult rv = ds->Get(XRE_OS_UPDATE_APPLY_TO_DIR, NS_GET_IID(nsIFile),
|
|
getter_AddRefs(osApplyToDir));
|
|
if (NS_FAILED(rv)) {
|
|
LOG(("Can't get the OS applyTo dir"));
|
|
return rv;
|
|
}
|
|
|
|
return osApplyToDir->GetNativePath(applyToDir);
|
|
}
|
|
|
|
static void
|
|
SetOSApplyToDir(nsIUpdate* update, const nsACString& osApplyToDir)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIWritablePropertyBag> updateProperties =
|
|
do_QueryInterface(update, &rv);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
RefPtr<nsVariant> variant = new nsVariant();
|
|
rv = variant->SetAsACString(osApplyToDir);
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
updateProperties->SetProperty(NS_LITERAL_STRING("osApplyToDir"), variant);
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* Apply an update. This applies to both normal and staged updates.
|
|
*
|
|
* @param greDir the GRE dir
|
|
* @param updateDir the update root dir
|
|
* @param statusFile the update.status file
|
|
* @param appDir the app dir
|
|
* @param appArgc the number of args to the application
|
|
* @param appArgv the args to the application, used for restarting if needed
|
|
* @param restart if true, apply the update in the foreground and restart the
|
|
* application when done. otherwise, stage the update and don't
|
|
* restart the application.
|
|
* @param outpid out parameter holding the handle to the updater application for
|
|
* staging updates.
|
|
*/
|
|
static void
|
|
ApplyUpdate(nsIFile *greDir, nsIFile *updateDir, nsIFile *statusFile,
|
|
nsIFile *appDir, int appArgc, char **appArgv,
|
|
bool restart, bool isOSUpdate, nsIFile *osApplyToDir,
|
|
ProcessType *outpid)
|
|
{
|
|
nsresult rv;
|
|
|
|
// Steps:
|
|
// - mark update as 'applying'
|
|
// - copy updater into update dir on all platforms except Windows
|
|
// - run updater w/ appDir as the current working dir
|
|
#ifndef XP_WIN
|
|
nsCOMPtr<nsIFile> updater;
|
|
if (!CopyUpdaterIntoUpdateDir(greDir, appDir, updateDir, updater)) {
|
|
LOG(("failed copying updater\n"));
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
// We need to use the value returned from XRE_GetBinaryPath when attempting
|
|
// to restart the running application.
|
|
nsCOMPtr<nsIFile> appFile;
|
|
|
|
#if defined(XP_MACOSX)
|
|
// On OS X we need to pass the location of the xulrunner-stub executable
|
|
// rather than xulrunner-bin. See bug 349737.
|
|
GetXULRunnerStubPath(appArgv[0], getter_AddRefs(appFile));
|
|
#else
|
|
XRE_GetBinaryPath(appArgv[0], getter_AddRefs(appFile));
|
|
#endif
|
|
|
|
if (!appFile)
|
|
return;
|
|
|
|
#ifdef XP_WIN
|
|
nsAutoString appFilePathW;
|
|
rv = appFile->GetPath(appFilePathW);
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
NS_ConvertUTF16toUTF8 appFilePath(appFilePathW);
|
|
|
|
nsCOMPtr<nsIFile> updater;
|
|
rv = greDir->Clone(getter_AddRefs(updater));
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
rv = updater->AppendNative(NS_LITERAL_CSTRING(UPDATER_BIN));
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
nsAutoString updaterPathW;
|
|
rv = updater->GetPath(updaterPathW);
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
NS_ConvertUTF16toUTF8 updaterPath(updaterPathW);
|
|
#else
|
|
nsAutoCString appFilePath;
|
|
rv = appFile->GetNativePath(appFilePath);
|
|
if (NS_FAILED(rv))
|
|
return;
|
|
|
|
nsAutoCString updaterPath;
|
|
rv = updater->GetNativePath(updaterPath);
|
|
if (NS_FAILED(rv))
|
|
return;
|
|
|
|
#endif
|
|
|
|
nsAutoCString installDirPath;
|
|
rv = GetInstallDirPath(appDir, installDirPath);
|
|
if (NS_FAILED(rv))
|
|
return;
|
|
|
|
// Get the directory where the update was staged for replace and GONK OS
|
|
// Updates or where it will be applied.
|
|
#ifndef MOZ_WIDGET_GONK
|
|
// OS Updates are only supported on GONK so force it to false on everything
|
|
// but GONK to simplify the following logic.
|
|
isOSUpdate = false;
|
|
#endif
|
|
nsAutoCString applyToDir;
|
|
nsCOMPtr<nsIFile> updatedDir;
|
|
if (restart && !isOSUpdate) {
|
|
applyToDir.Assign(installDirPath);
|
|
} else {
|
|
#ifdef XP_MACOSX
|
|
if (!GetFile(updateDir, NS_LITERAL_CSTRING("Updated.app"), updatedDir)) {
|
|
#else
|
|
if (!GetFile(appDir, NS_LITERAL_CSTRING("updated"), updatedDir)) {
|
|
#endif
|
|
return;
|
|
}
|
|
#ifdef XP_WIN
|
|
nsAutoString applyToDirW;
|
|
rv = updatedDir->GetPath(applyToDirW);
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
applyToDir = NS_ConvertUTF16toUTF8(applyToDirW);
|
|
#elif MOZ_WIDGET_GONK
|
|
if (isOSUpdate) {
|
|
if (!osApplyToDir) {
|
|
return;
|
|
}
|
|
rv = osApplyToDir->GetNativePath(applyToDir);
|
|
} else {
|
|
rv = updatedDir->GetNativePath(applyToDir);
|
|
}
|
|
#else
|
|
rv = updatedDir->GetNativePath(applyToDir);
|
|
#endif
|
|
}
|
|
if (NS_FAILED(rv))
|
|
return;
|
|
|
|
#if defined(XP_WIN)
|
|
nsAutoString updateDirPathW;
|
|
rv = updateDir->GetPath(updateDirPathW);
|
|
NS_ConvertUTF16toUTF8 updateDirPath(updateDirPathW);
|
|
#else
|
|
nsAutoCString updateDirPath;
|
|
rv = updateDir->GetNativePath(updateDirPath);
|
|
#endif
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
// Get the current working directory.
|
|
char workingDirPath[MAXPATHLEN];
|
|
rv = GetCurrentWorkingDir(workingDirPath, sizeof(workingDirPath));
|
|
if (NS_FAILED(rv))
|
|
return;
|
|
|
|
// We used to write out "Applying" to the update.status file here.
|
|
// Instead we do this from within the updater application now.
|
|
// This is so that we don't overwrite the status of pending-service
|
|
// in the Windows case. This change was made for all platforms so
|
|
// that it stays consistent across all OS.
|
|
|
|
// Construct the PID argument for this process. If we are using execv, then
|
|
// we pass "0" which is then ignored by the updater.
|
|
nsAutoCString pid;
|
|
if (!restart) {
|
|
// Signal the updater application that it should stage the update.
|
|
pid.AssignASCII("-1");
|
|
} else {
|
|
#if defined(USE_EXECV)
|
|
pid.AssignASCII("0");
|
|
#else
|
|
pid.AppendInt((int32_t) getpid());
|
|
#endif
|
|
}
|
|
|
|
int immersiveArgc = 0;
|
|
int argc = appArgc + 6 + immersiveArgc;
|
|
char **argv = new char*[argc + 1 ];
|
|
if (!argv)
|
|
return;
|
|
argv[0] = (char*) updaterPath.get();
|
|
argv[1] = (char*) updateDirPath.get();
|
|
argv[2] = (char*) installDirPath.get();
|
|
argv[3] = (char*) applyToDir.get();
|
|
argv[4] = (char*) pid.get();
|
|
if (restart && appArgc) {
|
|
argv[5] = workingDirPath;
|
|
argv[6] = (char*) appFilePath.get();
|
|
for (int i = 1; i < appArgc; ++i)
|
|
argv[6 + i] = appArgv[i];
|
|
#ifdef XP_WIN
|
|
if (immersiveArgc) {
|
|
argv[argc - 1] = "-ServerName:DefaultBrowserServer";
|
|
}
|
|
#endif
|
|
argv[argc] = nullptr;
|
|
} else {
|
|
argc = 5;
|
|
argv[5] = nullptr;
|
|
}
|
|
|
|
if (gSafeMode) {
|
|
PR_SetEnv("MOZ_SAFE_MODE_RESTART=1");
|
|
}
|
|
#if defined(MOZ_VERIFY_MAR_SIGNATURE) && !defined(XP_WIN) && \
|
|
!defined(XP_MACOSX) && !defined(MOZ_WIDGET_GONK)
|
|
AppendToLibPath(installDirPath.get());
|
|
#endif
|
|
|
|
if (isOSUpdate) {
|
|
PR_SetEnv("MOZ_OS_UPDATE=1");
|
|
}
|
|
#if defined(MOZ_WIDGET_GONK)
|
|
// We want the updater to be CPU friendly and not subject to being killed by
|
|
// the low memory killer, so we pass in some preferences to allow it to
|
|
// adjust its priority.
|
|
|
|
int32_t prioVal = Preferences::GetInt(kAppUpdaterPrio,
|
|
kAppUpdaterPrioDefault);
|
|
int32_t oomScoreAdj = Preferences::GetInt(kAppUpdaterOomScoreAdj,
|
|
kAppUpdaterOomScoreAdjDefault);
|
|
int32_t ioprioClass = Preferences::GetInt(kAppUpdaterIOPrioClass,
|
|
kAppUpdaterIOPrioClassDefault);
|
|
int32_t ioprioLevel = Preferences::GetInt(kAppUpdaterIOPrioLevel,
|
|
kAppUpdaterIOPrioLevelDefault);
|
|
nsPrintfCString prioEnv("MOZ_UPDATER_PRIO=%d/%d/%d/%d",
|
|
prioVal, oomScoreAdj, ioprioClass, ioprioLevel);
|
|
// Note: we allocate a new string on heap and pass that to PR_SetEnv, since
|
|
// the string can be used after this function returns. This means that we
|
|
// will intentionally leak this buffer.
|
|
PR_SetEnv(ToNewCString(prioEnv));
|
|
#endif
|
|
|
|
LOG(("spawning updater process [%s]\n", updaterPath.get()));
|
|
|
|
#if defined(USE_EXECV)
|
|
// Don't use execv when staging updates.
|
|
if (restart) {
|
|
execv(updaterPath.get(), argv);
|
|
} else {
|
|
*outpid = PR_CreateProcess(updaterPath.get(), argv, nullptr, nullptr);
|
|
}
|
|
#elif defined(XP_WIN)
|
|
// Launch the update using updater.exe
|
|
if (!WinLaunchChild(updaterPathW.get(), argc, argv, nullptr, outpid)) {
|
|
return;
|
|
}
|
|
|
|
if (restart) {
|
|
// We are going to process an update so we should exit now
|
|
_exit(0);
|
|
}
|
|
#elif defined(XP_MACOSX)
|
|
CommandLineServiceMac::SetupMacCommandLine(argc, argv, true);
|
|
// LaunchChildMac uses posix_spawnp and prefers the current
|
|
// architecture when launching. It doesn't require a
|
|
// null-terminated string but it doesn't matter if we pass one.
|
|
LaunchChildMac(argc, argv, 0, outpid);
|
|
if (restart) {
|
|
exit(0);
|
|
}
|
|
#else
|
|
*outpid = PR_CreateProcess(updaterPath.get(), argv, nullptr, nullptr);
|
|
if (restart) {
|
|
exit(0);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* Wait for a process until it terminates. This call is blocking.
|
|
*/
|
|
static void
|
|
WaitForProcess(ProcessType pt)
|
|
{
|
|
#if defined(XP_WIN)
|
|
WaitForSingleObject(pt, INFINITE);
|
|
CloseHandle(pt);
|
|
#elif defined(XP_MACOSX)
|
|
waitpid(pt, 0, 0);
|
|
#else
|
|
int32_t exitCode;
|
|
PR_WaitProcess(pt, &exitCode);
|
|
if (exitCode != 0) {
|
|
LOG(("Error while running the updater process, check update.log"));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
nsresult
|
|
ProcessUpdates(nsIFile *greDir, nsIFile *appDir, nsIFile *updRootDir,
|
|
int argc, char **argv, const char *appVersion,
|
|
bool restart, bool isOSUpdate, nsIFile *osApplyToDir,
|
|
ProcessType *pid)
|
|
{
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsIFile> updatesDir;
|
|
rv = updRootDir->Clone(getter_AddRefs(updatesDir));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
rv = updatesDir->AppendNative(NS_LITERAL_CSTRING("updates"));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
rv = updatesDir->AppendNative(NS_LITERAL_CSTRING("0"));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIFile> statusFile;
|
|
UpdateStatus status = GetUpdateStatus(updatesDir, statusFile);
|
|
switch (status) {
|
|
case ePendingUpdate:
|
|
case ePendingService: {
|
|
nsCOMPtr<nsIFile> versionFile;
|
|
// Remove the update if the update application version file doesn't exist
|
|
// or if the update's application version is less than the current
|
|
// application version.
|
|
if (!GetVersionFile(updatesDir, versionFile) ||
|
|
IsOlderVersion(versionFile, appVersion)) {
|
|
updatesDir->Remove(true);
|
|
} else {
|
|
ApplyUpdate(greDir, updatesDir, statusFile,
|
|
appDir, argc, argv, restart, isOSUpdate, osApplyToDir, pid);
|
|
}
|
|
break;
|
|
}
|
|
case eAppliedUpdate:
|
|
case eAppliedService:
|
|
// An update was staged and needs to be switched so the updated application
|
|
// is used.
|
|
SwitchToUpdatedApp(greDir, updatesDir, appDir, argc, argv);
|
|
break;
|
|
case eNoUpdateAction:
|
|
// We don't need to do any special processing here, we'll just continue to
|
|
// startup the application.
|
|
break;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
NS_IMPL_ISUPPORTS(nsUpdateProcessor, nsIUpdateProcessor)
|
|
|
|
nsUpdateProcessor::nsUpdateProcessor()
|
|
: mUpdaterPID(0)
|
|
{
|
|
}
|
|
|
|
nsUpdateProcessor::~nsUpdateProcessor()
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsUpdateProcessor::ProcessUpdate(nsIUpdate* aUpdate)
|
|
{
|
|
nsCOMPtr<nsIFile> greDir, appDir, updRoot;
|
|
nsAutoCString appVersion;
|
|
int argc;
|
|
char **argv;
|
|
|
|
nsAutoCString binPath;
|
|
nsXREDirProvider* dirProvider = nsXREDirProvider::GetSingleton();
|
|
if (dirProvider) { // Normal code path
|
|
// Check for and process any available updates
|
|
bool persistent;
|
|
nsresult rv = NS_ERROR_FAILURE; // Take the NS_FAILED path when non-GONK
|
|
#ifdef MOZ_WIDGET_GONK
|
|
// Check in the sdcard for updates first, since that's our preferred
|
|
// download location.
|
|
rv = dirProvider->GetFile(XRE_UPDATE_ARCHIVE_DIR, &persistent,
|
|
getter_AddRefs(updRoot));
|
|
#endif
|
|
if (NS_FAILED(rv)) {
|
|
rv = dirProvider->GetFile(XRE_UPDATE_ROOT_DIR, &persistent,
|
|
getter_AddRefs(updRoot));
|
|
}
|
|
// XRE_UPDATE_ROOT_DIR may fail. Fallback to appDir if failed
|
|
if (NS_FAILED(rv))
|
|
updRoot = dirProvider->GetAppDir();
|
|
|
|
greDir = dirProvider->GetGREDir();
|
|
nsCOMPtr<nsIFile> exeFile;
|
|
rv = dirProvider->GetFile(XRE_EXECUTABLE_FILE, &persistent,
|
|
getter_AddRefs(exeFile));
|
|
if (NS_SUCCEEDED(rv))
|
|
rv = exeFile->GetParent(getter_AddRefs(appDir));
|
|
|
|
if (NS_FAILED(rv))
|
|
appDir = dirProvider->GetAppDir();
|
|
|
|
appVersion = gAppData->version;
|
|
argc = gRestartArgc;
|
|
argv = gRestartArgv;
|
|
} else {
|
|
// In the xpcshell environment, the usual XRE_main is not run, so things
|
|
// like dirProvider and gAppData do not exist. This code path accesses
|
|
// XPCOM (which is not available in the previous code path) in order to get
|
|
// the same information.
|
|
nsCOMPtr<nsIProperties> ds =
|
|
do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
|
|
if (!ds) {
|
|
NS_ABORT(); // There's nothing which we can do if this fails!
|
|
}
|
|
|
|
nsresult rv = ds->Get(NS_GRE_DIR, NS_GET_IID(nsIFile),
|
|
getter_AddRefs(greDir));
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Can't get the GRE dir");
|
|
|
|
nsCOMPtr<nsIFile> exeFile;
|
|
rv = ds->Get(XRE_EXECUTABLE_FILE, NS_GET_IID(nsIFile),
|
|
getter_AddRefs(exeFile));
|
|
if (NS_SUCCEEDED(rv))
|
|
rv = exeFile->GetParent(getter_AddRefs(appDir));
|
|
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Can't get the XREExeF parent dir");
|
|
|
|
rv = ds->Get(XRE_UPDATE_ROOT_DIR, NS_GET_IID(nsIFile),
|
|
getter_AddRefs(updRoot));
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Can't get the UpdRootD dir");
|
|
|
|
nsCOMPtr<nsIXULAppInfo> appInfo =
|
|
do_GetService("@mozilla.org/xre/app-info;1");
|
|
if (appInfo) {
|
|
rv = appInfo->GetVersion(appVersion);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
} else {
|
|
appVersion = MOZ_APP_VERSION;
|
|
}
|
|
|
|
// We need argv[0] to point to the current executable's name. The rest of
|
|
// the entries in this array will be ignored if argc<2. Therefore, for
|
|
// xpcshell, we only fill out that item, and leave the rest empty.
|
|
argc = 1;
|
|
nsCOMPtr<nsIFile> binary;
|
|
rv = ds->Get(XRE_EXECUTABLE_FILE, NS_GET_IID(nsIFile),
|
|
getter_AddRefs(binary));
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Can't get the binary path");
|
|
binary->GetNativePath(binPath);
|
|
}
|
|
|
|
// Copy the parameters to the StagedUpdateInfo structure shared with the
|
|
// watcher thread.
|
|
mInfo.mGREDir = greDir;
|
|
mInfo.mAppDir = appDir;
|
|
mInfo.mUpdateRoot = updRoot;
|
|
mInfo.mArgc = argc;
|
|
mInfo.mArgv = new char*[argc];
|
|
if (dirProvider) {
|
|
for (int i = 0; i < argc; ++i) {
|
|
const size_t length = strlen(argv[i]);
|
|
mInfo.mArgv[i] = new char[length + 1];
|
|
strcpy(mInfo.mArgv[i], argv[i]);
|
|
}
|
|
} else {
|
|
MOZ_ASSERT(argc == 1); // see above
|
|
const size_t length = binPath.Length();
|
|
mInfo.mArgv[0] = new char[length + 1];
|
|
strcpy(mInfo.mArgv[0], binPath.get());
|
|
}
|
|
mInfo.mAppVersion = appVersion;
|
|
|
|
#if defined(MOZ_WIDGET_GONK)
|
|
NS_ENSURE_ARG_POINTER(aUpdate);
|
|
|
|
bool isOSUpdate;
|
|
if (NS_SUCCEEDED(aUpdate->GetIsOSUpdate(&isOSUpdate)) &&
|
|
isOSUpdate) {
|
|
nsAutoCString osApplyToDir;
|
|
|
|
// This needs to be done on the main thread, so we pass it along in
|
|
// BackgroundThreadInfo
|
|
nsresult rv = GetOSApplyToDir(osApplyToDir);
|
|
if (NS_FAILED(rv)) {
|
|
LOG(("Can't get the OS apply to dir"));
|
|
return rv;
|
|
}
|
|
|
|
SetOSApplyToDir(aUpdate, osApplyToDir);
|
|
|
|
mInfo.mIsOSUpdate = true;
|
|
rv = NS_NewNativeLocalFile(osApplyToDir, false,
|
|
getter_AddRefs(mInfo.mOSApplyToDir));
|
|
if (NS_FAILED(rv)) {
|
|
LOG(("Can't create nsIFile for OS apply to dir"));
|
|
return rv;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
MOZ_ASSERT(NS_IsMainThread(), "not main thread");
|
|
return NS_NewThread(getter_AddRefs(mProcessWatcher),
|
|
NS_NewRunnableMethod(this, &nsUpdateProcessor::StartStagedUpdate));
|
|
}
|
|
|
|
|
|
|
|
void
|
|
nsUpdateProcessor::StartStagedUpdate()
|
|
{
|
|
MOZ_ASSERT(!NS_IsMainThread(), "main thread");
|
|
|
|
nsresult rv = ProcessUpdates(mInfo.mGREDir,
|
|
mInfo.mAppDir,
|
|
mInfo.mUpdateRoot,
|
|
mInfo.mArgc,
|
|
mInfo.mArgv,
|
|
mInfo.mAppVersion.get(),
|
|
false,
|
|
mInfo.mIsOSUpdate,
|
|
mInfo.mOSApplyToDir,
|
|
&mUpdaterPID);
|
|
NS_ENSURE_SUCCESS_VOID(rv);
|
|
|
|
if (mUpdaterPID) {
|
|
// Track the state of the updater process while it is staging an update.
|
|
rv = NS_DispatchToCurrentThread(NS_NewRunnableMethod(this, &nsUpdateProcessor::WaitForProcess));
|
|
NS_ENSURE_SUCCESS_VOID(rv);
|
|
} else {
|
|
// Failed to launch the updater process for some reason.
|
|
// We need to shutdown the current thread as there isn't anything more for
|
|
// us to do...
|
|
rv = NS_DispatchToMainThread(NS_NewRunnableMethod(this, &nsUpdateProcessor::ShutdownWatcherThread));
|
|
NS_ENSURE_SUCCESS_VOID(rv);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsUpdateProcessor::ShutdownWatcherThread()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread(), "not main thread");
|
|
mProcessWatcher->Shutdown();
|
|
mProcessWatcher = nullptr;
|
|
}
|
|
|
|
void
|
|
nsUpdateProcessor::WaitForProcess()
|
|
{
|
|
MOZ_ASSERT(!NS_IsMainThread(), "main thread");
|
|
::WaitForProcess(mUpdaterPID);
|
|
NS_DispatchToMainThread(NS_NewRunnableMethod(this, &nsUpdateProcessor::UpdateDone));
|
|
}
|
|
|
|
void
|
|
nsUpdateProcessor::UpdateDone()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread(), "not main thread");
|
|
|
|
nsCOMPtr<nsIUpdateManager> um =
|
|
do_GetService("@mozilla.org/updates/update-manager;1");
|
|
if (um) {
|
|
um->RefreshUpdateStatus();
|
|
}
|
|
|
|
ShutdownWatcherThread();
|
|
}
|
|
|