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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_SandboxPolicyContent_h
+#define mozilla_SandboxPolicyContent_h
+
+#define MAX_CONTENT_TESTING_READ_PATHS 4
+
+namespace mozilla {
+
+static const char SandboxPolicyContent[] = R"SANDBOX_LITERAL(
+ (version 1)
+
+ (define should-log (param "SHOULD_LOG"))
+ (define sandbox-level-1 (param "SANDBOX_LEVEL_1"))
+ (define sandbox-level-2 (param "SANDBOX_LEVEL_2"))
+ (define sandbox-level-3 (param "SANDBOX_LEVEL_3"))
+ (define macosVersion (string->number (param "MAC_OS_VERSION")))
+ (define appPath (param "APP_PATH"))
+ (define hasProfileDir (param "HAS_SANDBOXED_PROFILE"))
+ (define profileDir (param "PROFILE_DIR"))
+ (define hasWindowServer (param "HAS_WINDOW_SERVER"))
+ (define home-path (param "HOME_PATH"))
+ (define debugWriteDir (param "DEBUG_WRITE_DIR"))
+ (define userCacheDir (param "DARWIN_USER_CACHE_DIR"))
+ (define testingReadPath1 (param "TESTING_READ_PATH1"))
+ (define testingReadPath2 (param "TESTING_READ_PATH2"))
+ (define testingReadPath3 (param "TESTING_READ_PATH3"))
+ (define testingReadPath4 (param "TESTING_READ_PATH4"))
+ (define crashPort (param "CRASH_PORT"))
+ (define isRosettaTranslated (param "IS_ROSETTA_TRANSLATED"))
+
+ (define (moz-deny feature)
+ (if (string=? should-log "TRUE")
+ (deny feature)
+ (deny feature (with no-log))))
+
+ (moz-deny default)
+ ; These are not included in (deny default)
+ (moz-deny process-info*)
+ (moz-deny nvram*)
+ (moz-deny iokit-get-properties)
+ (moz-deny file-map-executable)
+
+ (if (string=? should-log "TRUE")
+ (debug deny))
+
+ (if (string=? isRosettaTranslated "TRUE")
+ (allow file-map-executable (subpath "/private/var/db/oah")))
+
+ (allow file-map-executable file-read*
+ (subpath "/System")
+ (subpath "/usr/lib")
+ (subpath "/Library/GPUBundles")
+ (subpath appPath))
+
+ ; Allow read access to standard system paths.
+ (allow file-read*
+ (require-all (file-mode #o0004)
+ (require-any
+ (subpath "/Library/Filesystems/NetFSPlugins")
+ (subpath "/usr/share"))))
+
+ ; For stat and symlink resolution
+ (allow file-read-metadata (subpath "/"))
+
+ ; Timezone
+ (allow file-read*
+ (subpath "/private/var/db/timezone")
+ (subpath "/usr/share/zoneinfo")
+ (subpath "/usr/share/zoneinfo.default")
+ (literal "/private/etc/localtime"))
+
+ ; Allow read access to standard special files.
+ (allow file-read*
+ (literal "/dev/autofs_nowait")
+ (literal "/dev/random")
+ (literal "/dev/urandom"))
+
+ (allow file-read*
+ file-write-data
+ (literal "/dev/null")
+ (literal "/dev/zero"))
+
+ (allow file-read*
+ file-write-data
+ file-ioctl
+ (literal "/dev/dtracehelper"))
+
+ ; Needed for things like getpriority()/setpriority()
+ (allow process-info-pidinfo process-info-setcontrol (target self))
+
+ (allow sysctl-read
+ (sysctl-name-regex #"^sysctl\.")
+ (sysctl-name "kern.ostype")
+ (sysctl-name "kern.osversion")
+ (sysctl-name "kern.osrelease")
+ (sysctl-name "kern.version")
+ (sysctl-name "kern.tcsm_available")
+ (sysctl-name "kern.tcsm_enable")
+ ; TODO: remove "kern.hostname". Without it the tests hang, but the hostname
+ ; is arguably sensitive information, so we should see what can be done about
+ ; removing it.
+ (sysctl-name "kern.hostname")
+ (sysctl-name "hw.machine")
+ (sysctl-name "hw.memsize")
+ (sysctl-name "hw.model")
+ (sysctl-name "hw.ncpu")
+ (sysctl-name "hw.activecpu")
+ (sysctl-name "hw.byteorder")
+ (sysctl-name "hw.pagesize_compat")
+ (sysctl-name "hw.logicalcpu")
+ (sysctl-name "hw.logicalcpu_max")
+ (sysctl-name "hw.perflevel0.logicalcpu_max")
+ (sysctl-name "hw.perflevel1.logicalcpu_max")
+ (sysctl-name "hw.physicalcpu_max")
+ (sysctl-name "hw.busfrequency_compat")
+ (sysctl-name "hw.busfrequency_max")
+ (sysctl-name "hw.cpufrequency")
+ (sysctl-name "hw.cpufrequency_compat")
+ (sysctl-name "hw.cpufrequency_max")
+ (sysctl-name "hw.l2cachesize")
+ (sysctl-name "hw.l3cachesize")
+ (sysctl-name "hw.cachelinesize")
+ (sysctl-name "hw.cachelinesize_compat")
+ (sysctl-name "hw.tbfrequency_compat")
+ (sysctl-name "hw.vectorunit")
+ (sysctl-name "hw.optional.sse2")
+ (sysctl-name "hw.optional.sse3")
+ (sysctl-name "hw.optional.sse4_1")
+ (sysctl-name "hw.optional.sse4_2")
+ (sysctl-name "hw.optional.avx1_0")
+ (sysctl-name "hw.optional.avx2_0")
+ (sysctl-name "hw.optional.avx512f")
+ (sysctl-name "machdep.cpu.vendor")
+ (sysctl-name "machdep.cpu.family")
+ (sysctl-name "machdep.cpu.model")
+ (sysctl-name "machdep.cpu.stepping")
+ (sysctl-name "debug.intel.gstLevelGST")
+ (sysctl-name "debug.intel.gstLoaderControl"))
+ (allow sysctl-write
+ (sysctl-name "kern.tcsm_enable"))
+
+ (define (home-regex home-relative-regex)
+ (regex (string-append "^" (regex-quote home-path) home-relative-regex)))
+ (define (home-subpath home-relative-subpath)
+ (subpath (string-append home-path home-relative-subpath)))
+ (define (home-literal home-relative-literal)
+ (literal (string-append home-path home-relative-literal)))
+
+ (define (profile-subpath profile-relative-subpath)
+ (subpath (string-append profileDir profile-relative-subpath)))
+
+ (define (allow-shared-list domain)
+ (allow file-read*
+ (home-regex (string-append "/Library/Preferences/" (regex-quote domain)))))
+
+ (allow ipc-posix-shm-read-data ipc-posix-shm-write-data
+ (ipc-posix-name-regex #"^CFPBS:"))
+
+ (allow signal (target self))
+ (if (string? crashPort)
+ (allow mach-lookup (global-name crashPort)))
+ (if (string=? hasWindowServer "TRUE")
+ (allow mach-lookup (global-name "com.apple.windowserver.active")))
+ (allow mach-lookup
+ (global-name "com.apple.system.opendirectoryd.libinfo")
+ (global-name "com.apple.CoreServices.coreservicesd")
+ (global-name "com.apple.coreservices.launchservicesd")
+ (global-name "com.apple.lsd.mapdb"))
+
+ (allow mach-lookup
+ ; bug 1392988
+ (xpc-service-name "com.apple.coremedia.videodecoder")
+ (xpc-service-name "com.apple.coremedia.videoencoder"))
+
+ (if (>= macosVersion 1100)
+ (allow mach-lookup
+ ; bug 1655655
+ (global-name "com.apple.trustd.agent")))
+
+ (allow iokit-open
+ (iokit-user-client-class "IOHIDParamUserClient"))
+
+ ; Only supported on macOS 10.10+
+ (if (defined? 'iokit-get-properties)
+ (allow iokit-get-properties
+ (iokit-property "board-id")
+ (iokit-property "class-code")
+ (iokit-property "vendor-id")
+ (iokit-property "device-id")
+ (iokit-property "IODVDBundleName")
+ (iokit-property "IOGLBundleName")
+ (iokit-property "IOGVACodec")
+ (iokit-property "IOGVAHEVCDecode")
+ (iokit-property "IOGVAHEVCEncode")
+ (iokit-property "IOGVAXDecode")
+ (iokit-property "IOPCITunnelled")
+ (iokit-property "IOVARendererID")
+ (iokit-property "MetalPluginName")
+ (iokit-property "MetalPluginClassName")))
+
+ ; depending on systems, the 1st, 2nd or both rules are necessary
+ (allow user-preference-read (preference-domain "com.apple.HIToolbox"))
+ (allow file-read-data (literal "/Library/Preferences/com.apple.HIToolbox.plist"))
+
+ (allow user-preference-read (preference-domain "com.apple.ATS"))
+
+ ; Needed for some global preferences (such as scrolling behavior)
+ (allow file-read-data
+ (literal "/Library/Preferences/.GlobalPreferences.plist")
+ (home-literal "/Library/Preferences/.GlobalPreferences.plist")
+ (home-regex #"/Library/Preferences/ByHost/\.GlobalPreferences.*")
+ (home-literal "/Library/Preferences/com.apple.universalaccess.plist"))
+ (allow mach-lookup
+ (global-name "com.apple.cfprefsd.agent")
+ (global-name "com.apple.cfprefsd.daemon"))
+ (allow ipc-posix-shm-read-data
+ (ipc-posix-name-regex #"^apple\.cfprefs\..*"))
+
+ (allow file-read*
+ (subpath "/Library/ColorSync/Profiles")
+ (subpath "/Library/Spelling")
+ (literal "/")
+ (literal "/private/tmp")
+ (literal "/private/var/tmp")
+ (home-literal "/.CFUserTextEncoding")
+ (home-literal "/Library/Preferences/com.apple.DownloadAssessment.plist")
+ (home-subpath "/Library/Colors")
+ (home-subpath "/Library/ColorSync/Profiles")
+ (home-subpath "/Library/Keyboard Layouts")
+ (home-subpath "/Library/Input Methods")
+ (home-subpath "/Library/Spelling"))
+
+ (when testingReadPath1
+ (allow file-read* file-map-executable (subpath testingReadPath1)))
+ (when testingReadPath2
+ (allow file-read* file-map-executable (subpath testingReadPath2)))
+ (when testingReadPath3
+ (allow file-read* file-map-executable (subpath testingReadPath3)))
+ (when testingReadPath4
+ (allow file-read* file-map-executable (subpath testingReadPath4)))
+
+ ; bug 1692220
+ (when userCacheDir
+ (allow file-read*
+ (subpath (string-append userCacheDir "/com.apple.FontRegistry"))))
+
+ ; bug 1303987
+ (if (string? debugWriteDir)
+ (begin
+ (allow file-write-data (subpath debugWriteDir))
+ (allow file-write-create
+ (require-all
+ (subpath debugWriteDir)
+ (vnode-type REGULAR-FILE)))))
+
+ (allow-shared-list "org.mozilla.plugincontainer")
+
+; Per-user and system-wide Extensions dir
+ (allow file-read*
+ (home-regex "/Library/Application Support/[^/]+/Extensions/")
+ (regex "^/Library/Application Support/[^/]+/Extensions/"))
+
+; The following rules impose file access restrictions which get
+; more restrictive in higher levels. When file-origin-specific
+; content processes are used for file:// origin browsing, the
+; global file-read* permission should be removed from each level.
+
+; level 1: global read access permitted, no global write access
+ (if (string=? sandbox-level-1 "TRUE") (allow file-read*))
+
+; level 2: global read access permitted, no global write access,
+; no read/write access to ~/Library,
+; no read/write access to $PROFILE,
+; read access permitted to $PROFILE/{extensions,chrome}
+ (if (string=? sandbox-level-2 "TRUE")
+ (begin
+ ; bug 1201935
+ (allow file-read* (home-subpath "/Library/Caches/TemporaryItems"))
+ (if (string=? hasProfileDir "TRUE")
+ ; we have a profile dir
+ (allow file-read* (require-all
+ (require-not (home-subpath "/Library"))
+ (require-not (subpath profileDir))))
+ ; we don't have a profile dir
+ (allow file-read* (require-not (home-subpath "/Library"))))))
+
+ ; level 3: Does not have any of it's own rules. The global rules provide:
+ ; no global read/write access,
+ ; read access permitted to $PROFILE/{extensions,chrome}
+
+ (if (string=? hasProfileDir "TRUE")
+ ; we have a profile dir
+ (allow file-read*
+ (profile-subpath "/extensions")
+ (profile-subpath "/chrome")))
+
+; accelerated graphics
+ (allow user-preference-read (preference-domain "com.apple.opengl"))
+ (allow user-preference-read (preference-domain "com.nvidia.OpenGL"))
+ (allow mach-lookup
+ (global-name "com.apple.cvmsServ")
+ (global-name "com.apple.MTLCompilerService"))
+ (allow iokit-open
+ (iokit-connection "IOAccelerator")
+ (iokit-user-client-class "IOAccelerationUserClient")
+ (iokit-user-client-class "IOSurfaceRootUserClient")
+ (iokit-user-client-class "IOSurfaceSendRight")
+ (iokit-user-client-class "IOFramebufferSharedUserClient")
+ (iokit-user-client-class "AGPMClient")
+ (iokit-user-client-class "AppleGraphicsControlClient"))
+
+; bug 1153809
+ (allow iokit-open
+ (iokit-user-client-class "NVDVDContextTesla")
+ (iokit-user-client-class "Gen6DVDContext"))
+
+ ; Fonts
+ (allow file-read*
+ (subpath "/Library/Fonts")
+ (subpath "/Library/Application Support/Apple/Fonts")
+ (home-subpath "/Library/Fonts")
+ ; Allow read access to paths allowed via sandbox extensions.
+ ; This is needed for fonts in non-standard locations normally
+ ; due to third party font managers. The extensions are
+ ; automatically issued by the font server in response to font
+ ; API calls.
+ (extension "com.apple.app-sandbox.read"))
+ ; Fonts may continue to work without explicitly allowing these
+ ; services because, at present, connections are made to the services
+ ; before the sandbox is enabled as a side-effect of some API calls.
+ (allow mach-lookup
+ (global-name "com.apple.fonts")
+ (global-name "com.apple.FontObjectsServer"))
+
+ ; bug 1565575
+ (allow mach-lookup (global-name "com.apple.audio.AudioComponentRegistrar"))
+)SANDBOX_LITERAL";
+
+// These are additional rules that are added to the content process rules for
+// file content processes.
+static const char SandboxPolicyContentFileAddend[] = R"SANDBOX_LITERAL(
+ ; This process has blanket file read privileges
+ (allow file-read*)
+
+ ; File content processes need access to iconservices to draw file icons in
+ ; directory listings
+ (allow mach-lookup (global-name "com.apple.iconservices"))
+)SANDBOX_LITERAL";
+
+// These are additional rules that are added to the content process rules when
+// audio remoting is not enabled. (Once audio remoting is always used these
+// will be deleted.)
+static const char SandboxPolicyContentAudioAddend[] = R"SANDBOX_LITERAL(
+ (allow ipc-posix-shm-read* ipc-posix-shm-write-data
+ (ipc-posix-name-regex #"^AudioIO"))
+
+ (allow mach-lookup
+ (global-name "com.apple.audio.coreaudiod")
+ (global-name "com.apple.audio.audiohald"))
+
+ (allow iokit-open (iokit-user-client-class "IOAudioEngineUserClient"))
+
+ (allow file-read* (subpath "/Library/Audio/Plug-Ins"))
+
+ (allow device-microphone)
+)SANDBOX_LITERAL";
+
+} // namespace mozilla
+
+#endif // mozilla_SandboxPolicyContent_h