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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*)
; This isn't available in some older macOS releases.
(if (defined? 'nvram*)
(moz-deny nvram*))
; The next two properties both require macOS 10.10+
(if (defined? 'iokit-get-properties)
(moz-deny iokit-get-properties))
(if (defined? 'file-map-executable)
(moz-deny file-map-executable))
(if (string=? should-log "TRUE")
(debug deny))
(if (defined? 'file-map-executable)
(begin
(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 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_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"))
(if (>= macosVersion 1013)
(allow mach-lookup
(xpc-service-name "com.apple.coremedia.videodecoder")
(xpc-service-name "com.apple.coremedia.videoencoder")))
(if (>= macosVersion 1100)
(allow mach-lookup
(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"))
(if (defined? 'file-map-executable)
(begin
(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))))
(begin
(when testingReadPath1
(allow file-read* (subpath testingReadPath1)))
(when testingReadPath2
(allow file-read* (subpath testingReadPath2)))
(when testingReadPath3
(allow file-read* (subpath testingReadPath3)))
(when testingReadPath4
(allow file-read* (subpath testingReadPath4)))))
(when userCacheDir
(allow file-read*
(subpath (string-append userCacheDir "/com.apple.FontRegistry"))))
(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
(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"))
(if (>= macosVersion 1014)
(allow mach-lookup
(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"))
(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"))
(if (>= macosVersion 1013)
(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