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com.apple.WebKit.WebContent.sb.in
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; Copyright (C) 2010-2021 Apple Inc. All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions
; are met:
; 1. Redistributions of source code must retain the above copyright
; notice, this list of conditions and the following disclaimer.
; 2. Redistributions in binary form must reproduce the above copyright
; notice, this list of conditions and the following disclaimer in the
; documentation and/or other materials provided with the distribution.
;
; THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
; THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
; BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
; THE POSSIBILITY OF SUCH DAMAGE.
(version 1)
(deny default (with partial-symbolication))
(deny nvram*)
(deny system-privilege)
(allow system-audit file-read-metadata)
;; We can remove the catch once we no longer need to support iOS 15 (or earlier))
(catch (lambda)
(import "dyld-support.sb"))
;; Silence spurious logging due to rdar://20117923 and rdar://72366475
(deny system-privilege (privilege-id PRIV_GLOBAL_PROC_INFO) (with no-report))
;;;
;;; The following rules were originally contained in 'common.sb'. We are duplicating them here so we can
;;; remove unneeded sandbox extensions.
;;;
(import "util.sb")
(define-once (allow-read-and-issue-generic-extensions . filters)
(allow file-read*
(apply require-any filters))
(allow file-issue-extension
(require-all
(extension-class "com.apple.app-sandbox.read")
(apply require-any filters))))
(define-once (allow-read-write-and-issue-generic-extensions . filters)
(allow file-read* file-write*
(apply require-any filters))
(allow file-read-metadata
(apply require-any filters))
(allow file-issue-extension
(require-all
(extension-class "com.apple.app-sandbox.read-write" "com.apple.app-sandbox.read")
(apply require-any filters))))
(define-once (managed-configuration-read-public)
(allow file-read*
(well-known-system-group-container-subpath "/systemgroup.com.apple.configurationprofiles/Library/ConfigurationProfiles/PublicInfo")
(front-user-home-subpath "/Library/ConfigurationProfiles/PublicInfo")
(front-user-home-subpath "/Library/UserConfigurationProfiles/PublicInfo")))
(define-once (managed-configuration-read . files)
(if (null? files)
(allow file-read*
(well-known-system-group-container-subpath "/systemgroup.com.apple.configurationprofiles/Library/ConfigurationProfiles")
(front-user-home-subpath "/Library/ConfigurationProfiles")
(front-user-home-subpath "/Library/UserConfigurationProfiles"))
(for-each
(lambda (file)
(allow file-read*
(well-known-system-group-container-literal
(string-append "/systemgroup.com.apple.configurationprofiles/Library/ConfigurationProfiles/" file))
(front-user-home-literal
(string-append "/Library/ConfigurationProfiles/" file)
(string-append "/Library/UserConfigurationProfiles/" file))))
files)))
(define-once (allow-preferences-common)
(allow file-read-metadata
(home-literal "")
(home-literal "/Library/Preferences")))
(define-once (mobile-preferences-read . domains)
(allow-preferences-common)
(for-each (lambda (domain)
(begin
(allow user-preference-read (preference-domain domain))
(allow file-read*
(home-literal (string-append "/Library/Preferences/" domain ".plist")))))
domains))
(define-once (framebuffer-access)
(deny iokit-open (with telemetry-backtrace)
(iokit-user-client-class "IOMobileFramebufferUserClient"))
; IOMobileFramebuffer
(with-filter (iokit-registry-entry-class "IOMobileFramebuffer")
(allow iokit-get-properties (with telemetry)
(iokit-property "AppleTV"
"DisplayPipePlaneBaseAlignment"
"DisplayPipeStrideRequirements"
"PerformanceStatistics"
"appleTV-VID0"
"appleTV-VID1"
"hdcp-hoover-protocol")))
(mobile-preferences-read "com.apple.iokit.IOMobileGraphicsFamily")
)
(define-once (asset-access . options)
(let ((asset-access-filter
(require-all
(require-any
(home-subpath "/Library/Assets")
(subpath "/private/var/MobileAsset"))
(extension "com.apple.assets.read"))))
;; <rdar://problem/10710883>
;; <rdar://problem/11569106>
(allow file-read* asset-access-filter)
(if (memq 'with-media-playback options)
(play-media asset-access-filter))
(mobile-preferences-read "com.apple.MobileAsset")))
(define-once (play-media . filters)
(if (not (null? filters))
;; <rdar://problem/9875794>
(allow file-issue-extension
(require-all
(apply require-any filters)
(extension-class "com.apple.mediaserverd.read"))))
(mobile-preferences-read
"com.apple.avfoundation"
"com.apple.coreaudio"
"com.apple.coremedia"
"com.apple.corevideo"
"com.apple.itunesstored" ; Needed by MediaPlayer framework
"com.apple.mobileipod" ; Ditto
"com.apple.audio.virtualaudio" ; <rdar://problem/57170333>
)
;; AVF needs to see these network preferences:
(allow file-read*
(literal "/private/var/preferences/com.apple.networkd.plist"))
;; Allow mediaserverd to issue file extensions for the purposes of reading media
(allow file-issue-extension (require-all
(extension "com.apple.app-sandbox.read")
(extension-class "com.apple.mediaserverd.read")))
)
(define-once (media-remote)
(mobile-preferences-read
"com.apple.mediaremote"
"com.apple.mobileipod")
)
(define-once (media-capture-support)
;; Media capture, microphone access
(with-filter (extension "com.apple.webkit.microphone")
(allow device-microphone))
;; Media capture, camera access
(with-filter (extension "com.apple.webkit.camera")
(allow user-preference-read
(preference-domain "com.apple.coremedia"))
(allow file-read* (subpath "/Library/CoreMediaIO/Plug-Ins/DAL"))
(allow device-camera))
)
(define-once (accessibility-support)
(allow mach-register
(local-name "com.apple.iphone.axserver"))
(mobile-preferences-read "com.apple.Accessibility")
;; <rdar://problem/10809394>
(deny file-write-create
(home-prefix "/Library/Preferences/com.apple.Accessibility.plist")
(with no-report))
)
(define-once (media-accessibility-support)
;; <rdar://problem/12250145>
(mobile-preferences-read "com.apple.mediaaccessibility")
(mobile-preferences-read "com.apple.mediaaccessibility.public")
)
(define-once (url-translation)
;; For translating http:// & https:// URLs referencing itms:// URLs.
;; <rdar://problem/11587338>
(allow file-read*
(home-literal "/Library/Caches/com.apple.itunesstored/url-resolution.plist")))
;;;
;;; Declare that the application uses the OpenGL, Metal, and CoreML hardware & frameworks.
;;;
(define-once (opengl)
;; Items not seen in testing
(deny iokit-open (with telemetry)
(iokit-connection "IOGPU")
(iokit-user-client-class
"AGXCommandQueue"
"AGXDevice"
"AGXSharedUserClient"
"IOAccelContext"
"IOAccelDevice"
"IOAccelSharedUserClient"
"IOAccelSubmitter2"
"IOAccelContext2"
"IOAccelDevice2"
"IOAccelSharedUserClient2"))
;; Items with known uses
(allow iokit-open
(require-all
(extension "com.apple.webkit.extension.iokit")
(iokit-connection "IOGPU")))
(allow iokit-open
(require-all
(extension "com.apple.webkit.extension.iokit")
(iokit-user-client-class "AGXDeviceUserClient"))) ;; Used by WebGL
(allow iokit-get-properties
(iokit-property "IOGLBundleName")
(iokit-property "IOGLESBundleName")
(iokit-property "IOGLESDefaultUseMetal")
(iokit-property "IOGLESMetalBundleName")
(iokit-property "MetalPluginClassName")
(iokit-property "MetalPluginName")
)
(allow sysctl-read
(sysctl-name #"kern.bootsessionuuid"))
;; <rdar://problem/47268166>
(allow mach-lookup
(require-all
(extension "com.apple.webkit.extension.mach")
(xpc-service-name "com.apple.MTLCompilerService")
)
)
;; Remove when GPU process is enabled by default.
(allow mach-lookup
(require-all
(require-not (extension "com.apple.webkit.extension.mach"))
(xpc-service-name "com.apple.MTLCompilerService")
)
)
(mobile-preferences-read
"com.apple.Metal" ;; <rdar://problem/25535471>
"com.apple.opengl" ;; <rdar://problem/23321675>
)
)
(define-once (internal-debugging-support)
(allow file-read* file-map-executable
(subpath "/Developer"))
(allow ipc-posix-shm
(ipc-posix-name-prefix "stack-logs")
(ipc-posix-name-prefix "OA-")
(ipc-posix-name-prefix "/FSM-"))
(allow ipc-posix-shm-read* ipc-posix-shm-write-data ipc-posix-shm-write-unlink
(ipc-posix-name-regex #"^gdt-[A-Za-z0-9]+-(c|s)$"))
(with-filter (system-attribute apple-internal)
;; <rdar://problem/8565035>
;; <rdar://problem/23857452>
;; <rdar://problem/72317112>
(allow file-read* file-map-executable
(subpath "/AppleInternal")
(subpath "/usr/local/lib")
(subpath "/usr/appleinternal/lib")))
(with-elevated-precedence
(allow file-read* file-map-executable file-issue-extension
(front-user-home-subpath "/XcodeBuiltProducts")))
;; <rdar://problem/8107758>
(allow file-read* file-map-executable
(subpath "/System/Library/Frameworks")
(subpath "/System/Library/PrivateFrameworks"))
;; <rdar://problem/32544921>
(mobile-preferences-read "com.apple.hangtracer"))
(define-once (device-access)
(deny file-read* file-write*
(vnode-type BLOCK-DEVICE CHARACTER-DEVICE))
(allow file-read* file-write-data
(literal "/dev/null")
(literal "/dev/zero"))
(with-filter (system-attribute apple-internal)
(allow file-read* file-write-data file-ioctl
(literal "/dev/dtracehelper"))
(allow nvram-get (nvram-variable "emu")) ;; <rdar://problem/78363040>
)
(allow file-read*
(literal "/dev/random")
(literal "/dev/urandom"))
;; <rdar://problem/14215718>
(deny file-write-data (with no-report)
(literal "/dev/random")
(literal "/dev/urandom"))
(allow file-read* file-write-data (with telemetry)
(literal "/dev/aes_0")))
(define required-etc-files
(literal "/private/etc/fstab"
"/private/etc/hosts"
"/private/etc/group"
"/private/etc/passwd"
"/private/etc/protocols"
"/private/etc/services"))
(define-once (speech-synthesis-and-voiceover)
;; Speak Selection & VoiceOver
;; <rdar://problem/12030530> AX: Sandbox violation with changing Language while VO is on
;; and <rdar://problem/13071747>
(mobile-preferences-read
"com.apple.SpeakSelection" ; Needed for WebSpeech
"com.apple.VoiceOverTouch" ; Needed for non-US english language synthesis
"com.apple.voiceservices") ; Ditto
;; <rdar://problem/14555119> Access to high quality speech voices
;; Needed for WebSpeech
(allow file-read*
(home-subpath "/Library/VoiceServices/Assets")
(home-subpath "/Library/Assets/com_apple_MobileAsset_VoiceServicesVocalizerVoice"))
)
;; Things required by UIKit
(define-once (uikit-requirements)
(mobile-preferences-read
"com.apple.UIKit"
"com.apple.WebUI"
"com.apple.airplay"
"com.apple.avkit"
"com.apple.coreanimation"
"com.apple.mt"
"com.apple.preferences.sounds")
(deny mach-lookup
(global-name "com.apple.frontboard.systemappservices") ; -[UIViewServiceInterface _createProcessAssertion] -> SBSProcessIDForDisplayIdentifier()
)
(allow mach-lookup
(global-name "com.apple.CARenderServer"))
; UIKit-required IOKit nodes.
(deny iokit-open (with telemetry)
(iokit-user-client-class "IOSurfaceSendRight")
)
; WebKit-required IOKit classes
(allow iokit-open
(require-all
(extension "com.apple.webkit.extension.iokit")
(iokit-user-client-class "IOSurfaceAcceleratorClient") ;; Media rendering into pixel buffers
)
(when (defined? 'iokit-external-method)
(apply-message-filter
(deny (with telemetry)
iokit-async-external-method
iokit-external-trap)
(deny (with telemetry) (with message "IOSurfaceAcceleratorClient")
iokit-external-method)
(allow iokit-external-method
(iokit-method-number
1
)
)
)
)
)
(allow iokit-open
(require-all
(extension "com.apple.webkit.extension.iokit")
(iokit-user-client-class "IOSurfaceRootUserClient"))) ;; Needed by Tiled Grid code.
;; Silence sandbox violations from apps trying to create the empty plist if it doesn't exist.
;; <rdar://problem/13796537>
(deny file-write-create
(home-prefix "/Library/Preferences/com.apple.UIKit.plist")
(with no-report))
)
(define-once (dictionary-support)
; <rdar://problem/8548856> Sub-TLF: Sandbox change for apps for read-only access to the dictionary directory/data
(allow file-read*
; XXX - /Library ought to be allowed in all UI profiles but isn't (CF, MobileSafari)
(subpath "/Library/Dictionaries")
(home-subpath "/Library/Dictionaries"))
)
(deny file-map-executable)
(deny file-write-mount file-write-unmount)
(allow file-read-metadata
(vnode-type DIRECTORY))
(mobile-preferences-read "com.apple.security")
(with-filter (system-attribute apple-internal)
(mobile-preferences-read "com.apple.PrototypeTools"))
(with-elevated-precedence
(allow file-read*
(subpath "/usr/lib"
"/usr/share"
"/private/var/db/timezone"))
(allow-read-and-issue-generic-extensions
(subpath "/Library/RegionFeatures"
"/System/Library"))
(allow file-issue-extension
(require-all
(extension-class "com.apple.mediaserverd.read")
(subpath "/System/Library")))
(let ((hw-identifying-paths
(require-any
(literal "/System/Library/Caches/apticket.der")
(subpath "/System/Library/Caches/com.apple.kernelcaches")
(subpath "/System/Library/Caches/com.apple.factorydata"))))
(deny file-issue-extension file-read* hw-identifying-paths))
(allow file-map-executable
(subpath "/System/Library")
(subpath "/usr/lib"))
(allow file-read-metadata
(vnode-type SYMLINK))
;;; <rdar://problem/24144418>
(allow file-read*
(subpath "/private/var/preferences/Logging"))
(allow user-preference-read (preference-domain "kCFPreferencesAnyApplication"))
(allow file-read*
(front-user-home-literal "/Library/Preferences/.GlobalPreferences.plist")
(front-user-home-literal "/Library/Preferences/.GlobalPreferences_m.plist"))
(allow file-read*
(literal "/private/var/Managed Preferences/mobile/.GlobalPreferences.plist"))
(allow managed-preference-read (preference-domain "kCFPreferencesAnyApplication"))
(allow file-read-metadata
(home-literal "/Library/Caches/powerlog.launchd"))
(allow-read-and-issue-generic-extensions (executable-bundle))
(allow file-map-executable (executable-bundle))
;; <rdar://problem/13963294>
(deny file-read-data file-issue-extension file-map-executable
(require-all
(executable-bundle)
(regex #"/[^/]+/SC_Info/")))
(unless (defined? 'restrictive-extension)
(with-filter
(extension
"com.apple.app-sandbox.read"
"com.apple.app-sandbox.read-write"
"com.apple.sharing.airdrop.readonly")
(allow file-read* file-read-metadata)
(allow file-issue-extension
(extension-class "com.apple.app-sandbox.read"
"com.apple.mediaserverd.read"
"com.apple.sharing.airdrop.readonly")))
(with-filter
(extension
"com.apple.app-sandbox.read-write")
(allow file-write*)
(allow file-issue-extension
(extension-class "com.apple.app-sandbox.read-write"
"com.apple.mediaserverd.read-write"))))
;; <rdar://problem/16079361>
(allow managed-preference-read
(extension "com.apple.security.exception.managed-preference.read-only"))
(allow user-preference-read
(extension "com.apple.security.exception.shared-preference.read-only"))
)
(with-filter (system-attribute apple-internal)
(internal-debugging-support)
)
(allow file-read*
required-etc-files
(literal "/"))
(allow file-read*
(subpath "/private/var/MobileAsset/PreinstalledAssetsV2/InstallWithOs"))
(device-access)
(allow file-issue-extension
(require-all
(extension-class "com.apple.app-sandbox.read-write" "com.apple.app-sandbox.read")
(extension "com.apple.fileprovider.read-write")))
(allow mach-lookup
(global-name "com.apple.logd")
(global-name "com.apple.logd.events")
)
(deny mach-lookup (with no-report)
(global-name "com.apple.distributed_notifications@1v3"))
(deny mach-lookup (with no-report)
(global-name "com.apple.lsd.mapdb"))
;; <rdar://problem/12413942>
(allow file-read*
(well-known-system-group-container-literal "/systemgroup.com.apple.mobilegestaltcache/Library/Caches/com.apple.MobileGestalt.plist"))
(allow iokit-get-properties
(iokit-property "IORegistryEntryPropertyKeys"))
(allow ipc-posix-sem-open (with telemetry)
(ipc-posix-name "containermanagerd.fb_check"))
(with-filter (ipc-posix-name "purplebuddy.sentinel")
(deny ipc-posix-sem-create ipc-posix-sem-post ipc-posix-sem-unlink ipc-posix-sem-wait)
(allow ipc-posix-sem-open))
(deny mach-lookup (with no-report)
(global-name "com.apple.runningboard")
)
(allow system-sched
(require-entitlement "com.apple.private.kernel.override-cpumon"))
(deny sysctl-read (with no-report)
(sysctl-name
"hw.cpufrequency_compat"
"hw.tbfrequency_compat" ;; <rdar://71740719>
"sysctl.proc_native"))
(with-filter (system-attribute apple-internal)
(allow sysctl-read sysctl-write
(sysctl-name "vm.footprint_suspend")))
(with-filter (system-attribute apple-internal)
(allow network-outbound
(literal "/private/var/run/syslog"))
)
(allow mach-lookup
(global-name "com.apple.system.notification_center")
(apply-message-filter
(deny mach-message-send (with telemetry))
(deny mach-message-send (with no-report) (message-number 1023))
(allow mach-message-send (message-number
1002
1009
1010
1011
1012
1016
1017
1018
1019
1021
1022
1025
1026
1028
1029
1030
1031
1032
))
)
)
(allow ipc-posix-shm-read*
(ipc-posix-name "apple.shm.notification_center"))
(managed-configuration-read-public)
(deny system-info (with no-report)
(info-type "net.link.addr"))
(allow file-read*
(subpath "/private/var/db/datadetectors/sys"))
(allow-well-known-system-group-container-subpath-read
"/systemgroup.com.apple.icloud.findmydevice.managed/Library")
(allow mach-task-name (target self))
;;; process-info* defaults to allow; deny it and then allow operations we actually need.
(deny process-info*)
(allow process-info-pidinfo (target self))
(allow process-info-pidfdinfo (target self))
(allow process-info-pidfileportinfo (target self))
(allow process-info-setcontrol (target self))
(allow process-info-dirtycontrol (target self))
(allow process-info-rusage (target self))
;;;
;;; End common.sb content
;;;
(deny mach-lookup (xpc-service-name-prefix ""))
(deny iokit-get-properties (with partial-symbolication))
(deny lsopen)
;;;
;;; The following rules were originally contained in 'UIKit-apps.sb'. We are duplicating them here so we can
;;; remove unneeded sandbox extensions.
;;;
;; Any app can play audio & movies.
(play-media)
;; Access to media controls
(media-remote)
(url-translation)
(mobile-preferences-read "com.apple.da")
(speech-synthesis-and-voiceover)
;; Permit reading assets via MobileAsset framework.
(asset-access 'with-media-playback)
;; allow 3rd party applications to access nsurlstoraged's top level domain data cache
(allow-well-known-system-group-container-literal-read
"/systemgroup.com.apple.nsurlstoragedresources/Library/dafsaData.bin")
;; Access the keyboards
(allow file-read*
(home-subpath "/Library/Caches/com.apple.keyboards"))
(mobile-preferences-read
"com.apple.EmojiPreferences"
; <rdar://problem/8477596> com.apple.InputModePreferences
"com.apple.InputModePreferences"
; <rdar://problem/8206632> Weather(1038) deny file-read-data ~/Library/Preferences/com.apple.keyboard.plist
"com.apple.keyboard"
; <rdar://problem/9384085>
"com.apple.Preferences"
"com.apple.lookup.shared" ; Needed for DataDetector (Spotlight) support
)
;; Silently deny unnecessary accesses caused by MessageUI framework.
;; This can be removed once <rdar://problem/47038102> is resolved.
(deny file-read*
(home-literal "/Library/Preferences/com.apple.mobilemail.plist")
(with no-log))
;; <rdar://problem/12985925> Need read access to /var/mobile/Library/Fonts to all apps
(allow file-read*
(home-subpath "/Library/Fonts"))
;; <rdar://problem/7344719&26323449> LaunchServices app icons
(allow file-read*
(well-known-system-group-container-subpath "/systemgroup.com.apple.lsd.iconscache"))
(deny mach-lookup (with telemetry)
(xpc-service-name "com.apple.iconservices")
(global-name "com.apple.iconservices"))
(allow-preferences-common)
;; Home Button
(with-filter (iokit-registry-entry-class "IOPlatformDevice")
(allow iokit-get-properties
(iokit-property "home-button-type")))
(uikit-requirements)
(dictionary-support)
; <rdar://problem/8440231>
(allow file-read*
(home-literal "/Library/Caches/DateFormats.plist"))
; Silently deny writes when CFData attempts to write to the cache directory.
(deny file-write*
(home-literal "/Library/Caches/DateFormats.plist")
(with no-log))
(framebuffer-access)
; <rdar://problem/7595408> , <rdar://problem/7643881>
(opengl)
; CRCopyRestrictionsDictionary periodically tries to CFPreferencesAppSynchronize com.apple.springboard.plist
; which will attempt to create the plist if it doesn't exist -- from any application. Only SpringBoard is
; allowed to write its plist; ignore all others, they don't know what they are doing.
; See <rdar://problem/9375027> for sample backtraces.
(deny file-write*
(home-prefix "/Library/Preferences/com.apple.springboard.plist")
(with no-log))
;; <rdar://problem/34986314>
(mobile-preferences-read "com.apple.indigo")
;;;
;;; End UIKit-apps.sb content
;;;
(mobile-preferences-read "com.apple.AdLib.plist")
(deny file-read* (with no-report)
(home-literal
"/Library/Preferences/com.apple.WebKit.WebContent.plist"
"/Library/Preferences/com.apple.CFNetwork.plist"
"/Library/Preferences/com.apple.AppSupport.plist"
)
)
(with-filter (system-attribute apple-internal)
(mobile-preferences-read "com.apple.CFNetwork"))
(deny sysctl*)
(allow sysctl-read
(sysctl-name
"hw.activecpu" ;; Needed by JSC engine.
"hw.availcpu"
"hw.byteorder"
"hw.cacheconfig" ;; <rdar://problem/78213563>
"hw.cachelinesize"
"hw.cachelinesize_compat"
"hw.cachesize" ;; <rdar://problem/78213563>
"hw.cpufamily" ;; <rdar://problem/58416475>
"hw.cpusubfamily"
"hw.cputhreadtype"
"hw.cputype"
"hw.l1dcachesize" ;; <rdar://problem/15721872>
"hw.l1icachesize" ;; <rdar://problem/15721872>
"hw.l2cachesize"
"hw.l3cachesize" ;; <rdar://problem/15721872>
"hw.logicalcpu"
"hw.logicalcpu_max"
"hw.ncpu"
"hw.machine"
"hw.memsize"
"hw.model"
"hw.ncpu" ;; <rdar://problem/76782530>
"hw.nperflevels" ;; <rdar://problem/76782530>
"hw.pagesize" ;; <rdar://problem/76782530>
"hw.pagesize_compat"
"hw.physicalcpu"
"hw.physicalcpu_max"
"hw.physmem" ;; <rdar://problem/76782530>
"hw.product"
"hw.vectorunit"
"kern.bootargs"
"kern.hostname"
"kern.hv_vmm_present"
"kern.maxfilesperproc" ;; <rdar://problem/65900517>
"kern.memorystatus_level"
"kern.osproductversion"
"kern.osrelease"
"kern.ostype"
"kern.osvariant_status"
"kern.osversion"
"kern.secure_kernel" ;; Needed by XPC bundle resolution
"kern.version"
"sysctl.name2oid"
"vm.footprint_suspend")
(sysctl-name-prefix "net.routetable") ;; <rdar://problem/57665153>
(sysctl-name-prefix "hw.optional.") ;; <rdar://problem/70973527>
(sysctl-name-prefix "hw.perflevel") ;; <rdar://problem/76782530>
)
(deny sysctl-read (with no-report)
(sysctl-name "vm.task_no_footprint_for_debug"))
(allow iokit-get-properties
(iokit-property "AAPL,DisplayPipe")
(iokit-property "AAPL,OpenCLdisabled")
(iokit-property "AAPL,IOGraphics_LER")
(iokit-property "AAPL,IOGraphics_LER_RegTag_0")
(iokit-property "AAPL,IOGraphics_LER_RegTag_1")
(iokit-property "AAPL,IOGraphics_LER_Busy_2")
(iokit-property "AAPL,alias-policy")
(iokit-property "AAPL,boot-display")
(iokit-property "AAPL,display-alias")
(iokit-property "AAPL,mux-switch-state")
(iokit-property "AAPL,ndrv-dev")
(iokit-property "AAPL,primary-display")
(iokit-property "AAPL,slot-name")
(iokit-property "APTDevice")
(iokit-property "AVCSupported")
(iokit-property "AppleJPEGNumCores")
(iokit-property "AppleJPEGSupportsAppleInterchangeFormats")
(iokit-property "AppleJPEGSupportsMissingEOI")
(iokit-property "AppleJPEGSupportsRSTLogging")
(iokit-property "BaseAddressAlignmentRequirement")
(iokit-property "DisplayPipePlaneBaseAlignment")
(iokit-property "DisplayPipeStrideRequirements")
(iokit-property "HEVCSupported")
(iokit-property "HEVCCanDecodeTileToCanvas")
(iokit-property "IOGVABGRAEnc")
(iokit-property "IOGVACodec")
(iokit-property "IOGVAEncoderRestricted")
(iokit-property "IOGVAScaler")
(iokit-property "IOClassNameOverride")
(iokit-property "IOSurfaceAcceleratorCapabilitiesDict")
(iokit-property "LGHSupported")
(iokit-property "Protocol Characteristics")
(iokit-property "als-colorCfg") ;; <rdar://problem/52903475>
(iokit-property "artwork-device-idiom") ;; <rdar://problem/49497720>
(iokit-property "artwork-device-subtype")
(iokit-property "artwork-display-gamut") ;; <rdar://problem/49497788>
(iokit-property "artwork-dynamic-displaymode") ;; <rdar://problem/49497720>
(iokit-property "artwork-scale-factor") ;; <rdar://problem/49497788>
(iokit-property "canvas-height")
(iokit-property "canvas-width")
(iokit-property "chip-id") ;; <rdar://problem/52903477>
(iokit-property "class-code")
(iokit-property "color-accuracy-index")
(iokit-property "compatible") ;; <rdar://problem/47523516>
(iokit-property "compatible-device-fallback") ;; <rdar://problem/49497720>
(iokit-property "device-colors") ;; <rdar://problem/51322072>
(iokit-property "device-id")
(iokit-property "device-perf-memory-class")
(iokit-property "dfr")
(iokit-property "display-corner-radius") ;; <rdar://problem/50602737>
(iokit-property "emu")
(iokit-property "external")
(iokit-property "graphics-featureset-class") ;; <rdar://problem/49497720>
(iokit-property "graphics-featureset-fallbacks") ;; <rdar://problem/51322072>
(iokit-property "hdcp-hoover-protocol")
(iokit-property "iommu-present")
(iokit-property "oled-display") ;; <rdar://problem/51322072>
(iokit-property "product-description") ;; <rdar://problem/49497788>
(iokit-property "product-id")
(iokit-property "soc-generation") ;; <rdar://problem/52903476>
(iokit-property "software-behavior")
(iokit-property "vendor-id")
(iokit-property "udid-version") ;; <rdar://problem/52903475>
(iokit-property "ui-pip") ;; <rdar://problem/48867037>
)
; IOPlatformExpertDevice
(with-filter (iokit-registry-entry-class "IOPlatformExpertDevice")
(allow iokit-get-properties
(iokit-property
"platform-name" ;; <rdar://problem/79334360>
"region-info" ;; <rdar://problem/52903475>
"regulatory-model-number" ;; <rdar://problem/52903475>
)
)
)
;; Read-only preferences and data
(mobile-preferences-read
"com.apple.LaunchServices"
"com.apple.WebFoundation"
"com.apple.avfoundation.frecents" ;; <rdar://problem/33137029>
"com.apple.avfoundation.videoperformancehud" ;; <rdar://problem/31594568>
"com.apple.voiceservices.logging")
;; Sandbox extensions
(define (apply-read-and-issue-extension op path-filter)
(op file-read* path-filter)
(op file-issue-extension (require-all (extension-class "com.apple.app-sandbox.read") path-filter)))
(define (apply-write-and-issue-extension op path-filter)
(op file-write* path-filter)
(op file-issue-extension (require-all (extension-class "com.apple.app-sandbox.read-write") path-filter)))
(define (read-only-and-issue-extensions path-filter)
(apply-read-and-issue-extension allow path-filter))
(define (read-write-and-issue-extensions path-filter)
(apply-read-and-issue-extension allow path-filter)
(apply-write-and-issue-extension allow path-filter))
(read-only-and-issue-extensions (extension "com.apple.app-sandbox.read"))
(read-write-and-issue-extensions (extension "com.apple.app-sandbox.read-write"))
;; Access to client's cache folder & re-vending to CFNetwork.
(allow file-issue-extension (require-all
(extension "com.apple.app-sandbox.read-write")
(extension-class "com.apple.nsurlstorage.extension-cache")))
(accessibility-support)
(media-accessibility-support)
(deny mach-lookup (with no-report)
(global-name "com.apple.SystemConfiguration.configd")
(global-name "com.apple.aggregated")
(global-name "com.apple.diagnosticd")
(global-name "com.apple.fontservicesd")
)
(deny mach-lookup (with telemetry)
(global-name "com.apple.PowerManagement.control"))
(deny file-write-create (vnode-type SYMLINK))
(deny file-read-xattr file-write-xattr (xattr-prefix "com.apple.security.private."))
;; Allow loading injected bundles.
(allow file-map-executable)
#if !ENABLE(CONTENT_FILTERING_IN_NETWORKING_PROCESS)
;; Allow ManagedPreference access
(allow file-read* (literal "/private/var/Managed Preferences/mobile/com.apple.webcontentfilter.plist"))
#endif
(allow file-read-data
(literal "/usr/local/lib/log") ; <rdar://problem/36629495>
)
;; <rdar://problem/60983812>
(deny file-write*
(home-subpath "/Library/Preferences/")
(with no-log))
(deny mach-lookup (with no-log)
(global-name "com.apple.containermanagerd")
)
(deny mach-lookup
(global-name "com.apple.mobilegestalt.xpc"))
(deny mach-lookup (with no-log)
(xpc-service-name "com.apple.audio.toolbox.reporting.service")
)
(allow iokit-open
(require-all
(require-not (extension "com.apple.webkit.extension.iokit"))
(iokit-user-client-class "IOSurfaceRootUserClient")))
(deny iokit-open
(require-all
(require-not (extension "com.apple.webkit.extension.iokit"))
(iokit-user-client-class
"IOSurfaceAcceleratorClient")))
(deny iokit-open (with no-log)
(iokit-user-client-class
"AppleJPEGDriverUserClient"
)
)
(allow iokit-open (with report) (with telemetry-backtrace)
(require-all
(require-not (extension "com.apple.webkit.extension.iokit"))
(iokit-connection "IOGPU")
)
)
#if HAVE(SANDBOX_STATE_FLAGS)
;; This rule enables the WebContent process to enable the "BlockIOKitInWebContentSandbox" sandbox variable
;; by reading a preference from the domain "com.apple.WebKit.WebContent.BlockIOKitInWebContentSandbox".
(deny user-preference-read (with enable-state-flag "BlockIOKitInWebContentSandbox")
(preference-domain "com.apple.WebKit.WebContent.BlockIOKitInWebContentSandbox"))
(with-filter (state-flag "BlockIOKitInWebContentSandbox")
(deny iokit-open-service)
(deny iokit-open (with telemetry-backtrace)
(require-all
(require-not (extension "com.apple.webkit.extension.iokit"))
(iokit-user-client-class "IOSurfaceRootUserClient")))
(deny iokit-open (with telemetry-backtrace)
(require-all
(require-not (extension "com.apple.webkit.extension.iokit"))
(iokit-connection "IOGPU")))
(deny mach-lookup (with telemetry-backtrace)
(require-all
(require-not (extension "com.apple.webkit.extension.mach"))
(xpc-service-name "com.apple.MTLCompilerService"))))
#endif
(with-filter (system-attribute apple-internal)
(allow mach-lookup
(global-name "com.apple.diagnosticd")
(global-name "com.apple.osanalytics.osanalyticshelper")))
(allow mach-lookup
(require-all
(extension "com.apple.webkit.extension.mach")
(global-name
"com.apple.frontboard.systemappservices"
"com.apple.iphone.axserver-systemwide"
"com.apple.mobileassetd.v2"
"com.apple.mobilegestalt.xpc"
#if !ENABLE(CONTENT_FILTERING_IN_NETWORKING_PROCESS)
"com.apple.nehelper"
"com.apple.nesessionmanager.content-filter"
"com.apple.uikit.viewservice.com.apple.WebContentFilter.remoteUI"
#endif
"com.apple.tccd"
"com.apple.webinspector"