michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "mozilla/DebugOnly.h"
michael@0: 
michael@0: #include "fcntl.h"
michael@0: #include "errno.h"
michael@0: 
michael@0: #include "prsystem.h"
michael@0: 
michael@0: #if defined(XP_UNIX)
michael@0: #include "unistd.h"
michael@0: #include "dirent.h"
michael@0: #include "sys/stat.h"
michael@0: #if defined(ANDROID)
michael@0: #include <sys/vfs.h>
michael@0: #define statvfs statfs
michael@0: #else
michael@0: #include "sys/statvfs.h"
michael@0: #include <spawn.h>
michael@0: #endif // defined(ANDROID)
michael@0: #endif // defined(XP_UNIX)
michael@0: 
michael@0: #if defined(XP_LINUX)
michael@0: #include <linux/fadvise.h>
michael@0: #endif // defined(XP_LINUX)
michael@0: 
michael@0: #if defined(XP_MACOSX)
michael@0: #include "copyfile.h"
michael@0: #endif // defined(XP_MACOSX)
michael@0: 
michael@0: #if defined(XP_WIN)
michael@0: #include <windows.h>
michael@0: #include <accctrl.h>
michael@0: #endif // defined(XP_WIN)
michael@0: 
michael@0: #include "jsapi.h"
michael@0: #include "jsfriendapi.h"
michael@0: #include "BindingUtils.h"
michael@0: 
michael@0: // Used to provide information on the OS
michael@0: 
michael@0: #include "nsThreadUtils.h"
michael@0: #include "nsIObserverService.h"
michael@0: #include "nsIObserver.h"
michael@0: #include "nsDirectoryServiceUtils.h"
michael@0: #include "nsIXULRuntime.h"
michael@0: #include "nsIPropertyBag2.h"
michael@0: #include "nsXPCOMCIDInternal.h"
michael@0: #include "nsServiceManagerUtils.h"
michael@0: #include "nsString.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsDirectoryServiceDefs.h"
michael@0: #include "nsXULAppAPI.h"
michael@0: #include "nsAppDirectoryServiceDefs.h"
michael@0: #include "mozJSComponentLoader.h"
michael@0: 
michael@0: #include "OSFileConstants.h"
michael@0: #include "nsIOSFileConstantsService.h"
michael@0: #include "nsZipArchive.h"
michael@0: 
michael@0: #if defined(__DragonFly__) || defined(__FreeBSD__) \
michael@0:   || defined(__NetBSD__) || defined(__OpenBSD__)
michael@0: #define __dd_fd dd_fd
michael@0: #endif
michael@0: 
michael@0: /**
michael@0:  * This module defines the basic libc constants (error numbers, open modes,
michael@0:  * etc.) used by OS.File and possibly other OS-bound JavaScript libraries.
michael@0:  */
michael@0: 
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: // Use an anonymous namespace to hide the symbols and avoid any collision
michael@0: // with, for instance, |extern bool gInitialized;|
michael@0: namespace {
michael@0: /**
michael@0:  * |true| if this module has been initialized, |false| otherwise
michael@0:  */
michael@0: bool gInitialized = false;
michael@0: 
michael@0: struct Paths {
michael@0:   /**
michael@0:    * The name of the directory holding all the libraries (libxpcom, libnss, etc.)
michael@0:    */
michael@0:   nsString libDir;
michael@0:   nsString tmpDir;
michael@0:   nsString profileDir;
michael@0:   nsString localProfileDir;
michael@0:   /**
michael@0:    * The user's home directory
michael@0:    */
michael@0:   nsString homeDir;
michael@0:   /**
michael@0:    * The user's desktop directory, if there is one. Otherwise this is
michael@0:    * the same as homeDir.
michael@0:    */
michael@0:   nsString desktopDir;
michael@0:   /**
michael@0:    * The user's 'application data' directory.
michael@0:    * Windows:
michael@0:    *   HOME = Documents and Settings\$USER\Application Data
michael@0:    *   UAppData = $HOME[\$vendor]\$name
michael@0:    *
michael@0:    * Unix:
michael@0:    *   HOME = ~
michael@0:    *   UAppData = $HOME/.[$vendor/]$name
michael@0:    *
michael@0:    * Mac:
michael@0:    *   HOME = ~
michael@0:    *   UAppData = $HOME/Library/Application Support/$name
michael@0:    */
michael@0:   nsString userApplicationDataDir;
michael@0: 
michael@0: #if defined(XP_WIN)
michael@0:   /**
michael@0:    * The user's application data directory.
michael@0:    */
michael@0:   nsString winAppDataDir;
michael@0:   /**
michael@0:    * The programs subdirectory in the user's start menu directory.
michael@0:    */
michael@0:   nsString winStartMenuProgsDir;
michael@0: #endif // defined(XP_WIN)
michael@0: 
michael@0: #if defined(XP_MACOSX)
michael@0:   /**
michael@0:    * The user's Library directory.
michael@0:    */
michael@0:   nsString macUserLibDir;
michael@0:   /**
michael@0:    * The Application directory, that stores applications installed in the
michael@0:    * system.
michael@0:    */
michael@0:   nsString macLocalApplicationsDir;
michael@0: #endif // defined(XP_MACOSX)
michael@0: 
michael@0:   Paths()
michael@0:   {
michael@0:     libDir.SetIsVoid(true);
michael@0:     tmpDir.SetIsVoid(true);
michael@0:     profileDir.SetIsVoid(true);
michael@0:     localProfileDir.SetIsVoid(true);
michael@0:     homeDir.SetIsVoid(true);
michael@0:     desktopDir.SetIsVoid(true);
michael@0:     userApplicationDataDir.SetIsVoid(true);
michael@0: 
michael@0: #if defined(XP_WIN)
michael@0:     winAppDataDir.SetIsVoid(true);
michael@0:     winStartMenuProgsDir.SetIsVoid(true);
michael@0: #endif // defined(XP_WIN)
michael@0: 
michael@0: #if defined(XP_MACOSX)
michael@0:     macUserLibDir.SetIsVoid(true);
michael@0:     macLocalApplicationsDir.SetIsVoid(true);
michael@0: #endif // defined(XP_MACOSX)
michael@0:   }
michael@0: };
michael@0: 
michael@0: /**
michael@0:  * System directories.
michael@0:  */
michael@0: Paths* gPaths = nullptr;
michael@0: 
michael@0: /**
michael@0:  * (Unix) the umask, which goes in OS.Constants.Sys but
michael@0:  * can only be looked up (via the system-info service)
michael@0:  * on the main thread.
michael@0:  */
michael@0: uint32_t gUserUmask = 0;
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Return the path to one of the special directories.
michael@0:  *
michael@0:  * @param aKey The key to the special directory (e.g. "TmpD", "ProfD", ...)
michael@0:  * @param aOutPath The path to the special directory. In case of error,
michael@0:  * the string is set to void.
michael@0:  */
michael@0: nsresult GetPathToSpecialDir(const char *aKey, nsString& aOutPath)
michael@0: {
michael@0:   nsCOMPtr<nsIFile> file;
michael@0:   nsresult rv = NS_GetSpecialDirectory(aKey, getter_AddRefs(file));
michael@0:   if (NS_FAILED(rv) || !file) {
michael@0:     return rv;
michael@0:   }
michael@0: 
michael@0:   return file->GetPath(aOutPath);
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * In some cases, OSFileConstants may be instantiated before the
michael@0:  * profile is setup. In such cases, |OS.Constants.Path.profileDir| and
michael@0:  * |OS.Constants.Path.localProfileDir| are undefined. However, we want
michael@0:  * to ensure that this does not break existing code, so that future
michael@0:  * workers spawned after the profile is setup have these constants.
michael@0:  *
michael@0:  * For this purpose, we register an observer to set |gPaths->profileDir|
michael@0:  * and |gPaths->localProfileDir| once the profile is setup.
michael@0:  */
michael@0: class DelayedPathSetter MOZ_FINAL: public nsIObserver
michael@0: {
michael@0:   NS_DECL_ISUPPORTS
michael@0:   NS_DECL_NSIOBSERVER
michael@0: 
michael@0:   DelayedPathSetter() {}
michael@0: };
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(DelayedPathSetter, nsIObserver)
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: DelayedPathSetter::Observe(nsISupports*, const char * aTopic, const char16_t*)
michael@0: {
michael@0:   if (gPaths == nullptr) {
michael@0:     // Initialization of gPaths has not taken place, something is wrong,
michael@0:     // don't make things worse.
michael@0:     return NS_OK;
michael@0:   }
michael@0:   nsresult rv = GetPathToSpecialDir(NS_APP_USER_PROFILE_50_DIR, gPaths->profileDir);
michael@0:   if (NS_FAILED(rv)) {
michael@0:     return rv;
michael@0:   }
michael@0:   rv = GetPathToSpecialDir(NS_APP_USER_PROFILE_LOCAL_50_DIR, gPaths->localProfileDir);
michael@0:   if (NS_FAILED(rv)) {
michael@0:     return rv;
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Perform the part of initialization that can only be
michael@0:  * executed on the main thread.
michael@0:  */
michael@0: nsresult InitOSFileConstants()
michael@0: {
michael@0:   MOZ_ASSERT(NS_IsMainThread());
michael@0:   if (gInitialized) {
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   gInitialized = true;
michael@0: 
michael@0:   nsAutoPtr<Paths> paths(new Paths);
michael@0: 
michael@0:   // Initialize paths->libDir
michael@0:   nsCOMPtr<nsIFile> file;
michael@0:   nsresult rv = NS_GetSpecialDirectory(NS_XPCOM_LIBRARY_FILE, getter_AddRefs(file));
michael@0:   if (NS_FAILED(rv)) {
michael@0:     return rv;
michael@0:   }
michael@0: 
michael@0:   nsCOMPtr<nsIFile> libDir;
michael@0:   rv = file->GetParent(getter_AddRefs(libDir));
michael@0:   if (NS_FAILED(rv)) {
michael@0:     return rv;
michael@0:   }
michael@0: 
michael@0:   rv = libDir->GetPath(paths->libDir);
michael@0:   if (NS_FAILED(rv)) {
michael@0:     return rv;
michael@0:   }
michael@0: 
michael@0:   // Setup profileDir and localProfileDir immediately if possible (we
michael@0:   // assume that NS_APP_USER_PROFILE_50_DIR and
michael@0:   // NS_APP_USER_PROFILE_LOCAL_50_DIR are set simultaneously)
michael@0:   rv = GetPathToSpecialDir(NS_APP_USER_PROFILE_50_DIR, paths->profileDir);
michael@0:   if (NS_SUCCEEDED(rv)) {
michael@0:     rv = GetPathToSpecialDir(NS_APP_USER_PROFILE_LOCAL_50_DIR, paths->localProfileDir);
michael@0:   }
michael@0: 
michael@0:   // Otherwise, delay setup of profileDir/localProfileDir until they
michael@0:   // become available.
michael@0:   if (NS_FAILED(rv)) {
michael@0:     nsCOMPtr<nsIObserverService> obsService = do_GetService(NS_OBSERVERSERVICE_CONTRACTID, &rv);
michael@0:     if (NS_FAILED(rv)) {
michael@0:       return rv;
michael@0:     }
michael@0:     nsRefPtr<DelayedPathSetter> pathSetter = new DelayedPathSetter();
michael@0:     rv = obsService->AddObserver(pathSetter, "profile-do-change", false);
michael@0:     if (NS_FAILED(rv)) {
michael@0:       return rv;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   // For other directories, ignore errors (they may be undefined on
michael@0:   // some platforms or in non-Firefox embeddings of Gecko).
michael@0: 
michael@0:   GetPathToSpecialDir(NS_OS_TEMP_DIR, paths->tmpDir);
michael@0:   GetPathToSpecialDir(NS_OS_HOME_DIR, paths->homeDir);
michael@0:   GetPathToSpecialDir(NS_OS_DESKTOP_DIR, paths->desktopDir);
michael@0:   GetPathToSpecialDir(XRE_USER_APP_DATA_DIR, paths->userApplicationDataDir);
michael@0: 
michael@0: #if defined(XP_WIN)
michael@0:   GetPathToSpecialDir(NS_WIN_APPDATA_DIR, paths->winAppDataDir);
michael@0:   GetPathToSpecialDir(NS_WIN_PROGRAMS_DIR, paths->winStartMenuProgsDir);
michael@0: #endif // defined(XP_WIN)
michael@0: 
michael@0: #if defined(XP_MACOSX)
michael@0:   GetPathToSpecialDir(NS_MAC_USER_LIB_DIR, paths->macUserLibDir);
michael@0:   GetPathToSpecialDir(NS_OSX_LOCAL_APPLICATIONS_DIR, paths->macLocalApplicationsDir);
michael@0: #endif // defined(XP_MACOSX)
michael@0: 
michael@0:   gPaths = paths.forget();
michael@0: 
michael@0:   // Get the umask from the system-info service.
michael@0:   // The property will always be present, but it will be zero on
michael@0:   // non-Unix systems.
michael@0:   nsCOMPtr<nsIPropertyBag2> infoService =
michael@0:     do_GetService("@mozilla.org/system-info;1");
michael@0:   MOZ_ASSERT(infoService, "Could not access the system information service");
michael@0:   rv = infoService->GetPropertyAsUint32(NS_LITERAL_STRING("umask"),
michael@0:                                         &gUserUmask);
michael@0:   if (NS_FAILED(rv)) {
michael@0:     return rv;
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Perform the cleaning up that can only be executed on the main thread.
michael@0:  */
michael@0: void CleanupOSFileConstants()
michael@0: {
michael@0:   MOZ_ASSERT(NS_IsMainThread());
michael@0:   if (!gInitialized) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   gInitialized = false;
michael@0:   delete gPaths;
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Define a simple read-only property holding an integer.
michael@0:  *
michael@0:  * @param name The name of the constant. Used both as the JS name for the
michael@0:  * constant and to access its value. Must be defined.
michael@0:  *
michael@0:  * Produces a |ConstantSpec|.
michael@0:  */
michael@0: #define INT_CONSTANT(name)      \
michael@0:   { #name, INT_TO_JSVAL(name) }
michael@0: 
michael@0: /**
michael@0:  * Define a simple read-only property holding an unsigned integer.
michael@0:  *
michael@0:  * @param name The name of the constant. Used both as the JS name for the
michael@0:  * constant and to access its value. Must be defined.
michael@0:  *
michael@0:  * Produces a |ConstantSpec|.
michael@0:  */
michael@0: #define UINT_CONSTANT(name)      \
michael@0:   { #name, UINT_TO_JSVAL((name)) }
michael@0: 
michael@0: /**
michael@0:  * End marker for ConstantSpec
michael@0:  */
michael@0: #define PROP_END { nullptr, JS::UndefinedValue() }
michael@0: 
michael@0: 
michael@0: // Define missing constants for Android
michael@0: #if !defined(S_IRGRP)
michael@0: #define S_IXOTH 0001
michael@0: #define S_IWOTH 0002
michael@0: #define S_IROTH 0004
michael@0: #define S_IRWXO 0007
michael@0: #define S_IXGRP 0010
michael@0: #define S_IWGRP 0020
michael@0: #define S_IRGRP 0040
michael@0: #define S_IRWXG 0070
michael@0: #define S_IXUSR 0100
michael@0: #define S_IWUSR 0200
michael@0: #define S_IRUSR 0400
michael@0: #define S_IRWXU 0700
michael@0: #endif // !defined(S_IRGRP)
michael@0: 
michael@0: /**
michael@0:  * The properties defined in libc.
michael@0:  *
michael@0:  * If you extend this list of properties, please
michael@0:  * separate categories ("errors", "open", etc.),
michael@0:  * keep properties organized by alphabetical order
michael@0:  * and #ifdef-away properties that are not portable.
michael@0:  */
michael@0: static const dom::ConstantSpec gLibcProperties[] =
michael@0: {
michael@0:   // Arguments for open
michael@0:   INT_CONSTANT(O_APPEND),
michael@0:   INT_CONSTANT(O_CREAT),
michael@0: #if defined(O_DIRECTORY)
michael@0:   INT_CONSTANT(O_DIRECTORY),
michael@0: #endif // defined(O_DIRECTORY)
michael@0: #if defined(O_EVTONLY)
michael@0:   INT_CONSTANT(O_EVTONLY),
michael@0: #endif // defined(O_EVTONLY)
michael@0:   INT_CONSTANT(O_EXCL),
michael@0: #if defined(O_EXLOCK)
michael@0:   INT_CONSTANT(O_EXLOCK),
michael@0: #endif // defined(O_EXLOCK)
michael@0: #if defined(O_LARGEFILE)
michael@0:   INT_CONSTANT(O_LARGEFILE),
michael@0: #endif // defined(O_LARGEFILE)
michael@0: #if defined(O_NOFOLLOW)
michael@0:   INT_CONSTANT(O_NOFOLLOW),
michael@0: #endif // defined(O_NOFOLLOW)
michael@0: #if defined(O_NONBLOCK)
michael@0:   INT_CONSTANT(O_NONBLOCK),
michael@0: #endif // defined(O_NONBLOCK)
michael@0:   INT_CONSTANT(O_RDONLY),
michael@0:   INT_CONSTANT(O_RDWR),
michael@0: #if defined(O_RSYNC)
michael@0:   INT_CONSTANT(O_RSYNC),
michael@0: #endif // defined(O_RSYNC)
michael@0: #if defined(O_SHLOCK)
michael@0:   INT_CONSTANT(O_SHLOCK),
michael@0: #endif // defined(O_SHLOCK)
michael@0: #if defined(O_SYMLINK)
michael@0:   INT_CONSTANT(O_SYMLINK),
michael@0: #endif // defined(O_SYMLINK)
michael@0: #if defined(O_SYNC)
michael@0:   INT_CONSTANT(O_SYNC),
michael@0: #endif // defined(O_SYNC)
michael@0:   INT_CONSTANT(O_TRUNC),
michael@0:   INT_CONSTANT(O_WRONLY),
michael@0: 
michael@0: #if defined(AT_EACCESS)
michael@0:   INT_CONSTANT(AT_EACCESS),
michael@0: #endif //defined(AT_EACCESS)
michael@0: #if defined(AT_FDCWD)
michael@0:   INT_CONSTANT(AT_FDCWD),
michael@0: #endif //defined(AT_FDCWD)
michael@0: #if defined(AT_SYMLINK_NOFOLLOW)
michael@0:   INT_CONSTANT(AT_SYMLINK_NOFOLLOW),
michael@0: #endif //defined(AT_SYMLINK_NOFOLLOW)
michael@0: 
michael@0: #if defined(POSIX_FADV_SEQUENTIAL)
michael@0:   INT_CONSTANT(POSIX_FADV_SEQUENTIAL),
michael@0: #endif //defined(POSIX_FADV_SEQUENTIAL)
michael@0: 
michael@0:   // access
michael@0: #if defined(F_OK)
michael@0:   INT_CONSTANT(F_OK),
michael@0:   INT_CONSTANT(R_OK),
michael@0:   INT_CONSTANT(W_OK),
michael@0:   INT_CONSTANT(X_OK),
michael@0: #endif // defined(F_OK)
michael@0: 
michael@0:   // modes
michael@0:   INT_CONSTANT(S_IRGRP),
michael@0:   INT_CONSTANT(S_IROTH),
michael@0:   INT_CONSTANT(S_IRUSR),
michael@0:   INT_CONSTANT(S_IRWXG),
michael@0:   INT_CONSTANT(S_IRWXO),
michael@0:   INT_CONSTANT(S_IRWXU),
michael@0:   INT_CONSTANT(S_IWGRP),
michael@0:   INT_CONSTANT(S_IWOTH),
michael@0:   INT_CONSTANT(S_IWUSR),
michael@0:   INT_CONSTANT(S_IXOTH),
michael@0:   INT_CONSTANT(S_IXGRP),
michael@0:   INT_CONSTANT(S_IXUSR),
michael@0: 
michael@0:   // seek
michael@0:   INT_CONSTANT(SEEK_CUR),
michael@0:   INT_CONSTANT(SEEK_END),
michael@0:   INT_CONSTANT(SEEK_SET),
michael@0: 
michael@0:   // copyfile
michael@0: #if defined(COPYFILE_DATA)
michael@0:   INT_CONSTANT(COPYFILE_DATA),
michael@0:   INT_CONSTANT(COPYFILE_EXCL),
michael@0:   INT_CONSTANT(COPYFILE_XATTR),
michael@0:   INT_CONSTANT(COPYFILE_STAT),
michael@0:   INT_CONSTANT(COPYFILE_ACL),
michael@0:   INT_CONSTANT(COPYFILE_MOVE),
michael@0: #endif // defined(COPYFILE_DATA)
michael@0: 
michael@0:   // error values
michael@0:   INT_CONSTANT(EACCES),
michael@0:   INT_CONSTANT(EAGAIN),
michael@0:   INT_CONSTANT(EBADF),
michael@0:   INT_CONSTANT(EEXIST),
michael@0:   INT_CONSTANT(EFAULT),
michael@0:   INT_CONSTANT(EFBIG),
michael@0:   INT_CONSTANT(EINVAL),
michael@0:   INT_CONSTANT(EIO),
michael@0:   INT_CONSTANT(EISDIR),
michael@0: #if defined(ELOOP) // not defined with VC9
michael@0:   INT_CONSTANT(ELOOP),
michael@0: #endif // defined(ELOOP)
michael@0:   INT_CONSTANT(EMFILE),
michael@0:   INT_CONSTANT(ENAMETOOLONG),
michael@0:   INT_CONSTANT(ENFILE),
michael@0:   INT_CONSTANT(ENOENT),
michael@0:   INT_CONSTANT(ENOMEM),
michael@0:   INT_CONSTANT(ENOSPC),
michael@0:   INT_CONSTANT(ENOTDIR),
michael@0:   INT_CONSTANT(ENXIO),
michael@0: #if defined(EOPNOTSUPP) // not defined with VC 9
michael@0:   INT_CONSTANT(EOPNOTSUPP),
michael@0: #endif // defined(EOPNOTSUPP)
michael@0: #if defined(EOVERFLOW) // not defined with VC 9
michael@0:   INT_CONSTANT(EOVERFLOW),
michael@0: #endif // defined(EOVERFLOW)
michael@0:   INT_CONSTANT(EPERM),
michael@0:   INT_CONSTANT(ERANGE),
michael@0: #if defined(ETIMEDOUT) // not defined with VC 9
michael@0:   INT_CONSTANT(ETIMEDOUT),
michael@0: #endif // defined(ETIMEDOUT)
michael@0: #if defined(EWOULDBLOCK) // not defined with VC 9
michael@0:   INT_CONSTANT(EWOULDBLOCK),
michael@0: #endif // defined(EWOULDBLOCK)
michael@0:   INT_CONSTANT(EXDEV),
michael@0: 
michael@0: #if defined(DT_UNKNOWN)
michael@0:   // Constants for |readdir|
michael@0:   INT_CONSTANT(DT_UNKNOWN),
michael@0:   INT_CONSTANT(DT_FIFO),
michael@0:   INT_CONSTANT(DT_CHR),
michael@0:   INT_CONSTANT(DT_DIR),
michael@0:   INT_CONSTANT(DT_BLK),
michael@0:   INT_CONSTANT(DT_REG),
michael@0:   INT_CONSTANT(DT_LNK),
michael@0:   INT_CONSTANT(DT_SOCK),
michael@0: #endif // defined(DT_UNKNOWN)
michael@0: 
michael@0: #if defined(S_IFIFO)
michael@0:   // Constants for |stat|
michael@0:   INT_CONSTANT(S_IFMT),
michael@0:   INT_CONSTANT(S_IFIFO),
michael@0:   INT_CONSTANT(S_IFCHR),
michael@0:   INT_CONSTANT(S_IFDIR),
michael@0:   INT_CONSTANT(S_IFBLK),
michael@0:   INT_CONSTANT(S_IFREG),
michael@0:   INT_CONSTANT(S_IFLNK),
michael@0:   INT_CONSTANT(S_IFSOCK),
michael@0: #endif // defined(S_IFIFO)
michael@0: 
michael@0:   // Constants used to define data structures
michael@0:   //
michael@0:   // Many data structures have different fields/sizes/etc. on
michael@0:   // various OSes / versions of the same OS / platforms. For these
michael@0:   // data structures, we need to compute and export from C the size
michael@0:   // and, if necessary, the offset of fields, so as to be able to
michael@0:   // define the structure in JS.
michael@0: 
michael@0: #if defined(XP_UNIX)
michael@0:   // The size of |mode_t|.
michael@0:   { "OSFILE_SIZEOF_MODE_T", INT_TO_JSVAL(sizeof (mode_t)) },
michael@0: 
michael@0:   // The size of |gid_t|.
michael@0:   { "OSFILE_SIZEOF_GID_T", INT_TO_JSVAL(sizeof (gid_t)) },
michael@0: 
michael@0:   // The size of |uid_t|.
michael@0:   { "OSFILE_SIZEOF_UID_T", INT_TO_JSVAL(sizeof (uid_t)) },
michael@0: 
michael@0:   // The size of |time_t|.
michael@0:   { "OSFILE_SIZEOF_TIME_T", INT_TO_JSVAL(sizeof (time_t)) },
michael@0: 
michael@0:   // The size of |fsblkcnt_t|.
michael@0:   { "OSFILE_SIZEOF_FSBLKCNT_T", INT_TO_JSVAL(sizeof (fsblkcnt_t)) },
michael@0: 
michael@0: #if !defined(ANDROID)
michael@0:   // The size of |posix_spawn_file_actions_t|.
michael@0:   { "OSFILE_SIZEOF_POSIX_SPAWN_FILE_ACTIONS_T", INT_TO_JSVAL(sizeof (posix_spawn_file_actions_t)) },
michael@0: #endif // !defined(ANDROID)
michael@0: 
michael@0:   // Defining |dirent|.
michael@0:   // Size
michael@0:   { "OSFILE_SIZEOF_DIRENT", INT_TO_JSVAL(sizeof (dirent)) },
michael@0: 
michael@0:   // Offset of field |d_name|.
michael@0:   { "OSFILE_OFFSETOF_DIRENT_D_NAME", INT_TO_JSVAL(offsetof (struct dirent, d_name)) },
michael@0:   // An upper bound to the length of field |d_name| of struct |dirent|.
michael@0:   // (may not be exact, depending on padding).
michael@0:   { "OSFILE_SIZEOF_DIRENT_D_NAME", INT_TO_JSVAL(sizeof (struct dirent) - offsetof (struct dirent, d_name)) },
michael@0: 
michael@0:   // Defining |timeval|.
michael@0:   { "OSFILE_SIZEOF_TIMEVAL", INT_TO_JSVAL(sizeof (struct timeval)) },
michael@0:   { "OSFILE_OFFSETOF_TIMEVAL_TV_SEC", INT_TO_JSVAL(offsetof (struct timeval, tv_sec)) },
michael@0:   { "OSFILE_OFFSETOF_TIMEVAL_TV_USEC", INT_TO_JSVAL(offsetof (struct timeval, tv_usec)) },
michael@0: 
michael@0: #if defined(DT_UNKNOWN)
michael@0:   // Position of field |d_type| in |dirent|
michael@0:   // Not strictly posix, but seems defined on all platforms
michael@0:   // except mingw32.
michael@0:   { "OSFILE_OFFSETOF_DIRENT_D_TYPE", INT_TO_JSVAL(offsetof (struct dirent, d_type)) },
michael@0: #endif // defined(DT_UNKNOWN)
michael@0: 
michael@0:   // Under MacOS X and BSDs, |dirfd| is a macro rather than a
michael@0:   // function, so we need a little help to get it to work
michael@0: #if defined(dirfd)
michael@0:   { "OSFILE_SIZEOF_DIR", INT_TO_JSVAL(sizeof (DIR)) },
michael@0: 
michael@0:   { "OSFILE_OFFSETOF_DIR_DD_FD", INT_TO_JSVAL(offsetof (DIR, __dd_fd)) },
michael@0: #endif
michael@0: 
michael@0:   // Defining |stat|
michael@0: 
michael@0:   { "OSFILE_SIZEOF_STAT", INT_TO_JSVAL(sizeof (struct stat)) },
michael@0: 
michael@0:   { "OSFILE_OFFSETOF_STAT_ST_MODE", INT_TO_JSVAL(offsetof (struct stat, st_mode)) },
michael@0:   { "OSFILE_OFFSETOF_STAT_ST_UID", INT_TO_JSVAL(offsetof (struct stat, st_uid)) },
michael@0:   { "OSFILE_OFFSETOF_STAT_ST_GID", INT_TO_JSVAL(offsetof (struct stat, st_gid)) },
michael@0:   { "OSFILE_OFFSETOF_STAT_ST_SIZE", INT_TO_JSVAL(offsetof (struct stat, st_size)) },
michael@0: 
michael@0: #if defined(HAVE_ST_ATIMESPEC)
michael@0:   { "OSFILE_OFFSETOF_STAT_ST_ATIME", INT_TO_JSVAL(offsetof (struct stat, st_atimespec)) },
michael@0:   { "OSFILE_OFFSETOF_STAT_ST_MTIME", INT_TO_JSVAL(offsetof (struct stat, st_mtimespec)) },
michael@0:   { "OSFILE_OFFSETOF_STAT_ST_CTIME", INT_TO_JSVAL(offsetof (struct stat, st_ctimespec)) },
michael@0: #else
michael@0:   { "OSFILE_OFFSETOF_STAT_ST_ATIME", INT_TO_JSVAL(offsetof (struct stat, st_atime)) },
michael@0:   { "OSFILE_OFFSETOF_STAT_ST_MTIME", INT_TO_JSVAL(offsetof (struct stat, st_mtime)) },
michael@0:   { "OSFILE_OFFSETOF_STAT_ST_CTIME", INT_TO_JSVAL(offsetof (struct stat, st_ctime)) },
michael@0: #endif // defined(HAVE_ST_ATIME)
michael@0: 
michael@0:   // Several OSes have a birthtime field. For the moment, supporting only Darwin.
michael@0: #if defined(_DARWIN_FEATURE_64_BIT_INODE)
michael@0:   { "OSFILE_OFFSETOF_STAT_ST_BIRTHTIME", INT_TO_JSVAL(offsetof (struct stat, st_birthtime)) },
michael@0: #endif // defined(_DARWIN_FEATURE_64_BIT_INODE)
michael@0: 
michael@0:   // Defining |statvfs|
michael@0: 
michael@0:   { "OSFILE_SIZEOF_STATVFS", INT_TO_JSVAL(sizeof (struct statvfs)) },
michael@0: 
michael@0:   { "OSFILE_OFFSETOF_STATVFS_F_BSIZE", INT_TO_JSVAL(offsetof (struct statvfs, f_bsize)) },
michael@0:   { "OSFILE_OFFSETOF_STATVFS_F_BAVAIL", INT_TO_JSVAL(offsetof (struct statvfs, f_bavail)) },
michael@0: 
michael@0: #endif // defined(XP_UNIX)
michael@0: 
michael@0: 
michael@0: 
michael@0:   // System configuration
michael@0: 
michael@0:   // Under MacOSX, to avoid using deprecated functions that do not
michael@0:   // match the constants we define in this object (including
michael@0:   // |sizeof|/|offsetof| stuff, but not only), for a number of
michael@0:   // functions, we need to adapt the name of the symbols we are using,
michael@0:   // whenever macro _DARWIN_FEATURE_64_BIT_INODE is set. We export
michael@0:   // this value to be able to do so from JavaScript.
michael@0: #if defined(_DARWIN_FEATURE_64_BIT_INODE)
michael@0:    { "_DARWIN_FEATURE_64_BIT_INODE", INT_TO_JSVAL(1) },
michael@0: #endif // defined(_DARWIN_FEATURE_64_BIT_INODE)
michael@0: 
michael@0:   // Similar feature for Linux
michael@0: #if defined(_STAT_VER)
michael@0:   INT_CONSTANT(_STAT_VER),
michael@0: #endif // defined(_STAT_VER)
michael@0: 
michael@0:   PROP_END
michael@0: };
michael@0: 
michael@0: 
michael@0: #if defined(XP_WIN)
michael@0: /**
michael@0:  * The properties defined in windows.h.
michael@0:  *
michael@0:  * If you extend this list of properties, please
michael@0:  * separate categories ("errors", "open", etc.),
michael@0:  * keep properties organized by alphabetical order
michael@0:  * and #ifdef-away properties that are not portable.
michael@0:  */
michael@0: static const dom::ConstantSpec gWinProperties[] =
michael@0: {
michael@0:   // FormatMessage flags
michael@0:   INT_CONSTANT(FORMAT_MESSAGE_FROM_SYSTEM),
michael@0:   INT_CONSTANT(FORMAT_MESSAGE_IGNORE_INSERTS),
michael@0: 
michael@0:   // The max length of paths
michael@0:   INT_CONSTANT(MAX_PATH),
michael@0: 
michael@0:   // CreateFile desired access
michael@0:   INT_CONSTANT(GENERIC_ALL),
michael@0:   INT_CONSTANT(GENERIC_EXECUTE),
michael@0:   INT_CONSTANT(GENERIC_READ),
michael@0:   INT_CONSTANT(GENERIC_WRITE),
michael@0: 
michael@0:   // CreateFile share mode
michael@0:   INT_CONSTANT(FILE_SHARE_DELETE),
michael@0:   INT_CONSTANT(FILE_SHARE_READ),
michael@0:   INT_CONSTANT(FILE_SHARE_WRITE),
michael@0: 
michael@0:   // CreateFile creation disposition
michael@0:   INT_CONSTANT(CREATE_ALWAYS),
michael@0:   INT_CONSTANT(CREATE_NEW),
michael@0:   INT_CONSTANT(OPEN_ALWAYS),
michael@0:   INT_CONSTANT(OPEN_EXISTING),
michael@0:   INT_CONSTANT(TRUNCATE_EXISTING),
michael@0: 
michael@0:   // CreateFile attributes
michael@0:   INT_CONSTANT(FILE_ATTRIBUTE_ARCHIVE),
michael@0:   INT_CONSTANT(FILE_ATTRIBUTE_DIRECTORY),
michael@0:   INT_CONSTANT(FILE_ATTRIBUTE_NORMAL),
michael@0:   INT_CONSTANT(FILE_ATTRIBUTE_READONLY),
michael@0:   INT_CONSTANT(FILE_ATTRIBUTE_REPARSE_POINT),
michael@0:   INT_CONSTANT(FILE_ATTRIBUTE_TEMPORARY),
michael@0:   INT_CONSTANT(FILE_FLAG_BACKUP_SEMANTICS),
michael@0: 
michael@0:   // CreateFile error constant
michael@0:   { "INVALID_HANDLE_VALUE", INT_TO_JSVAL(INT_PTR(INVALID_HANDLE_VALUE)) },
michael@0: 
michael@0: 
michael@0:   // CreateFile flags
michael@0:   INT_CONSTANT(FILE_FLAG_DELETE_ON_CLOSE),
michael@0: 
michael@0:   // SetFilePointer methods
michael@0:   INT_CONSTANT(FILE_BEGIN),
michael@0:   INT_CONSTANT(FILE_CURRENT),
michael@0:   INT_CONSTANT(FILE_END),
michael@0: 
michael@0:   // SetFilePointer error constant
michael@0:   UINT_CONSTANT(INVALID_SET_FILE_POINTER),
michael@0: 
michael@0:   // File attributes
michael@0:   INT_CONSTANT(FILE_ATTRIBUTE_DIRECTORY),
michael@0: 
michael@0: 
michael@0:   // MoveFile flags
michael@0:   INT_CONSTANT(MOVEFILE_COPY_ALLOWED),
michael@0:   INT_CONSTANT(MOVEFILE_REPLACE_EXISTING),
michael@0: 
michael@0:   // GetFileAttributes error constant
michael@0:   INT_CONSTANT(INVALID_FILE_ATTRIBUTES),
michael@0: 
michael@0:   // GetNamedSecurityInfo and SetNamedSecurityInfo constants
michael@0:   INT_CONSTANT(UNPROTECTED_DACL_SECURITY_INFORMATION),
michael@0:   INT_CONSTANT(SE_FILE_OBJECT),
michael@0:   INT_CONSTANT(DACL_SECURITY_INFORMATION),
michael@0: 
michael@0:   // Errors
michael@0:   INT_CONSTANT(ERROR_INVALID_HANDLE),
michael@0:   INT_CONSTANT(ERROR_ACCESS_DENIED),
michael@0:   INT_CONSTANT(ERROR_DIR_NOT_EMPTY),
michael@0:   INT_CONSTANT(ERROR_FILE_EXISTS),
michael@0:   INT_CONSTANT(ERROR_ALREADY_EXISTS),
michael@0:   INT_CONSTANT(ERROR_FILE_NOT_FOUND),
michael@0:   INT_CONSTANT(ERROR_NO_MORE_FILES),
michael@0:   INT_CONSTANT(ERROR_PATH_NOT_FOUND),
michael@0:   INT_CONSTANT(ERROR_BAD_ARGUMENTS),
michael@0:   INT_CONSTANT(ERROR_NOT_SUPPORTED),
michael@0: 
michael@0:   PROP_END
michael@0: };
michael@0: #endif // defined(XP_WIN)
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Get a field of an object as an object.
michael@0:  *
michael@0:  * If the field does not exist, create it. If it exists but is not an
michael@0:  * object, throw a JS error.
michael@0:  */
michael@0: JSObject *GetOrCreateObjectProperty(JSContext *cx, JS::Handle<JSObject*> aObject,
michael@0:                                     const char *aProperty)
michael@0: {
michael@0:   JS::Rooted<JS::Value> val(cx);
michael@0:   if (!JS_GetProperty(cx, aObject, aProperty, &val)) {
michael@0:     return nullptr;
michael@0:   }
michael@0:   if (!val.isUndefined()) {
michael@0:     if (val.isObject()) {
michael@0:       return &val.toObject();
michael@0:     }
michael@0: 
michael@0:     JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr,
michael@0:       JSMSG_UNEXPECTED_TYPE, aProperty, "not an object");
michael@0:     return nullptr;
michael@0:   }
michael@0:   return JS_DefineObject(cx, aObject, aProperty, nullptr, nullptr,
michael@0:                          JSPROP_ENUMERATE);
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Set a property of an object from a nsString.
michael@0:  *
michael@0:  * If the nsString is void (i.e. IsVoid is true), do nothing.
michael@0:  */
michael@0: bool SetStringProperty(JSContext *cx, JS::Handle<JSObject*> aObject, const char *aProperty,
michael@0:                        const nsString aValue)
michael@0: {
michael@0:   if (aValue.IsVoid()) {
michael@0:     return true;
michael@0:   }
michael@0:   JSString* strValue = JS_NewUCStringCopyZ(cx, aValue.get());
michael@0:   NS_ENSURE_TRUE(strValue, false);
michael@0:   JS::Rooted<JS::Value> valValue(cx, STRING_TO_JSVAL(strValue));
michael@0:   return JS_SetProperty(cx, aObject, aProperty, valValue);
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Define OS-specific constants.
michael@0:  *
michael@0:  * This function creates or uses JS object |OS.Constants| to store
michael@0:  * all its constants.
michael@0:  */
michael@0: bool DefineOSFileConstants(JSContext *cx, JS::Handle<JSObject*> global)
michael@0: {
michael@0:   MOZ_ASSERT(gInitialized);
michael@0: 
michael@0:   if (gPaths == nullptr) {
michael@0:     // If an initialization error was ignored, we may end up with
michael@0:     // |gInitialized == true| but |gPaths == nullptr|. We cannot
michael@0:     // |MOZ_ASSERT| this, as this would kill precompile_cache.js,
michael@0:     // so we simply return an error.
michael@0:     JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr,
michael@0:       JSMSG_CANT_OPEN, "OSFileConstants", "initialization has failed");
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   JS::Rooted<JSObject*> objOS(cx);
michael@0:   if (!(objOS = GetOrCreateObjectProperty(cx, global, "OS"))) {
michael@0:     return false;
michael@0:   }
michael@0:   JS::Rooted<JSObject*> objConstants(cx);
michael@0:   if (!(objConstants = GetOrCreateObjectProperty(cx, objOS, "Constants"))) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   // Build OS.Constants.libc
michael@0: 
michael@0:   JS::Rooted<JSObject*> objLibc(cx);
michael@0:   if (!(objLibc = GetOrCreateObjectProperty(cx, objConstants, "libc"))) {
michael@0:     return false;
michael@0:   }
michael@0:   if (!dom::DefineConstants(cx, objLibc, gLibcProperties)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0: #if defined(XP_WIN)
michael@0:   // Build OS.Constants.Win
michael@0: 
michael@0:   JS::Rooted<JSObject*> objWin(cx);
michael@0:   if (!(objWin = GetOrCreateObjectProperty(cx, objConstants, "Win"))) {
michael@0:     return false;
michael@0:   }
michael@0:   if (!dom::DefineConstants(cx, objWin, gWinProperties)) {
michael@0:     return false;
michael@0:   }
michael@0: #endif // defined(XP_WIN)
michael@0: 
michael@0:   // Build OS.Constants.Sys
michael@0: 
michael@0:   JS::Rooted<JSObject*> objSys(cx);
michael@0:   if (!(objSys = GetOrCreateObjectProperty(cx, objConstants, "Sys"))) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   nsCOMPtr<nsIXULRuntime> runtime = do_GetService(XULRUNTIME_SERVICE_CONTRACTID);
michael@0:   if (runtime) {
michael@0:     nsAutoCString os;
michael@0:     DebugOnly<nsresult> rv = runtime->GetOS(os);
michael@0:     MOZ_ASSERT(NS_SUCCEEDED(rv));
michael@0: 
michael@0:     JSString* strVersion = JS_NewStringCopyZ(cx, os.get());
michael@0:     if (!strVersion) {
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     JS::Rooted<JS::Value> valVersion(cx, STRING_TO_JSVAL(strVersion));
michael@0:     if (!JS_SetProperty(cx, objSys, "Name", valVersion)) {
michael@0:       return false;
michael@0:     }
michael@0:   }
michael@0: 
michael@0: #if defined(DEBUG)
michael@0:   JS::Rooted<JS::Value> valDebug(cx, JSVAL_TRUE);
michael@0:   if (!JS_SetProperty(cx, objSys, "DEBUG", valDebug)) {
michael@0:     return false;
michael@0:   }
michael@0: #endif
michael@0: 
michael@0:   dom::ConstantSpec umask_cs[] = {
michael@0:     { "umask", UINT_TO_JSVAL(gUserUmask) },
michael@0:     PROP_END
michael@0:   };
michael@0:   if (!dom::DefineConstants(cx, objSys, umask_cs)) {
michael@0:       return false;
michael@0:   }
michael@0: 
michael@0:   // Build OS.Constants.Path
michael@0: 
michael@0:   JS::Rooted<JSObject*> objPath(cx);
michael@0:   if (!(objPath = GetOrCreateObjectProperty(cx, objConstants, "Path"))) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   // Locate libxul
michael@0:   // Note that we don't actually provide the full path, only the name of the
michael@0:   // library, which is sufficient to link to the library using js-ctypes.
michael@0: 
michael@0: #if defined(XP_MACOSX)
michael@0:   // Under MacOS X, for some reason, libxul is called simply "XUL",
michael@0:   // and we need to provide the full path.
michael@0:   nsAutoString libxul;
michael@0:   libxul.Append(gPaths->libDir);
michael@0:   libxul.Append(NS_LITERAL_STRING("/XUL"));
michael@0: #else
michael@0:   // On other platforms, libxul is a library "xul" with regular
michael@0:   // library prefix/suffix.
michael@0:   nsAutoString libxul;
michael@0:   libxul.Append(NS_LITERAL_STRING(DLL_PREFIX));
michael@0:   libxul.Append(NS_LITERAL_STRING("xul"));
michael@0:   libxul.Append(NS_LITERAL_STRING(DLL_SUFFIX));
michael@0: #endif // defined(XP_MACOSX)
michael@0: 
michael@0:   if (!SetStringProperty(cx, objPath, "libxul", libxul)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   if (!SetStringProperty(cx, objPath, "libDir", gPaths->libDir)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   if (!SetStringProperty(cx, objPath, "tmpDir", gPaths->tmpDir)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   // Configure profileDir only if it is available at this stage
michael@0:   if (!gPaths->profileDir.IsVoid()
michael@0:     && !SetStringProperty(cx, objPath, "profileDir", gPaths->profileDir)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   // Configure localProfileDir only if it is available at this stage
michael@0:   if (!gPaths->localProfileDir.IsVoid()
michael@0:     && !SetStringProperty(cx, objPath, "localProfileDir", gPaths->localProfileDir)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   if (!SetStringProperty(cx, objPath, "homeDir", gPaths->homeDir)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   if (!SetStringProperty(cx, objPath, "desktopDir", gPaths->desktopDir)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   if (!SetStringProperty(cx, objPath, "userApplicationDataDir", gPaths->userApplicationDataDir)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0: #if defined(XP_WIN)
michael@0:   if (!SetStringProperty(cx, objPath, "winAppDataDir", gPaths->winAppDataDir)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   if (!SetStringProperty(cx, objPath, "winStartMenuProgsDir", gPaths->winStartMenuProgsDir)) {
michael@0:     return false;
michael@0:   }
michael@0: #endif // defined(XP_WIN)
michael@0: 
michael@0: #if defined(XP_MACOSX)
michael@0:   if (!SetStringProperty(cx, objPath, "macUserLibDir", gPaths->macUserLibDir)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   if (!SetStringProperty(cx, objPath, "macLocalApplicationsDir", gPaths->macLocalApplicationsDir)) {
michael@0:     return false;
michael@0:   }
michael@0: #endif // defined(XP_MACOSX)
michael@0: 
michael@0:   // sqlite3 is linked from different places depending on the platform
michael@0:   nsAutoString libsqlite3;
michael@0: #if defined(ANDROID)
michael@0:   // On Android, we use the system's libsqlite3
michael@0:   libsqlite3.Append(NS_LITERAL_STRING(DLL_PREFIX));
michael@0:   libsqlite3.Append(NS_LITERAL_STRING("sqlite3"));
michael@0:   libsqlite3.Append(NS_LITERAL_STRING(DLL_SUFFIX));
michael@0: #elif defined(XP_WIN)
michael@0:   // On Windows, for some reason, this is part of nss3.dll
michael@0:   libsqlite3.Append(NS_LITERAL_STRING(DLL_PREFIX));
michael@0:   libsqlite3.Append(NS_LITERAL_STRING("nss3"));
michael@0:   libsqlite3.Append(NS_LITERAL_STRING(DLL_SUFFIX));
michael@0: #else
michael@0:     // On other platforms, we link sqlite3 into libxul
michael@0:   libsqlite3 = libxul;
michael@0: #endif // defined(ANDROID) || defined(XP_WIN)
michael@0: 
michael@0:   if (!SetStringProperty(cx, objPath, "libsqlite3", libsqlite3)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(OSFileConstantsService, nsIOSFileConstantsService)
michael@0: 
michael@0: OSFileConstantsService::OSFileConstantsService()
michael@0: {
michael@0:   MOZ_ASSERT(NS_IsMainThread());
michael@0: }
michael@0: 
michael@0: OSFileConstantsService::~OSFileConstantsService()
michael@0: {
michael@0:   mozilla::CleanupOSFileConstants();
michael@0: }
michael@0: 
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: OSFileConstantsService::Init(JSContext *aCx)
michael@0: {
michael@0:   nsresult rv = mozilla::InitOSFileConstants();
michael@0:   if (NS_FAILED(rv)) {
michael@0:     return rv;
michael@0:   }
michael@0: 
michael@0:   mozJSComponentLoader* loader = mozJSComponentLoader::Get();
michael@0:   JS::Rooted<JSObject*> targetObj(aCx);
michael@0:   rv = loader->FindTargetObject(aCx, &targetObj);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   if (!mozilla::DefineOSFileConstants(aCx, targetObj)) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: } // namespace mozilla