; Copyright (C) 2010-2022 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* (with telemetry)
           (apply require-any filters))
    (allow file-issue-extension
        (require-all
            (extension-class "com.apple.app-sandbox.read")
            (apply require-any filters))))

(define-once (managed-configuration-read-public)
    (allow file-read* (with telemetry)
           (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 (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 (with telemetry) (preference-domain domain))
            (allow file-read*
                (home-literal (string-append "/Library/Preferences/" domain ".plist")))))
        domains))

(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>
        (if (memq 'with-media-playback options)
            (play-media asset-access-filter))))

(define-once (play-audio)
    (allow mach-lookup (with telemetry)
           (global-name "com.apple.audio.AURemoteIOServer")))

(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"))))
    ;; CoreMedia framework.
    (allow mach-lookup (with telemetry)
           (global-name "com.apple.coremedia.admin")
           (global-name "com.apple.coremedia.asset.xpc")
           (global-name "com.apple.coremedia.assetimagegenerator.xpc")
           (global-name "com.apple.coremedia.audiodeviceclock.xpc") ; Needed for CMTimeBase
           (global-name "com.apple.coremedia.audioprocessingtap.xpc")
           (global-name "com.apple.coremedia.capturesession")      ; Actually for video capture
           (global-name "com.apple.coremedia.capturesource")       ; Also for video capture (<rdar://problem/15794291>).
           (global-name "com.apple.coremedia.cpe.xpc") ; Needed for HDR playback.
           (global-name "com.apple.coremedia.customurlloader.xpc") ; Needed for custom media loading
           (global-name "com.apple.coremedia.formatreader.xpc")
           (global-name "com.apple.coremedia.mediaparserd.formatreader.xpc")
           (global-name "com.apple.coremedia.player.xpc")
           (global-name "com.apple.coremedia.remaker")
           (global-name "com.apple.coremedia.remotequeue")
           (global-name "com.apple.coremedia.routediscoverer.xpc")
           (global-name "com.apple.coremedia.routingcontext.xpc")
           (global-name "com.apple.coremedia.samplebufferaudiorenderer.xpc")
           (global-name "com.apple.coremedia.samplebufferrendersynchronizer.xpc")
           (global-name "com.apple.coremedia.sandboxserver.xpc")
           (global-name "com.apple.coremedia.systemcontroller.xpc")
           (global-name "com.apple.coremedia.visualcontext.xpc")
           (global-name "com.apple.coremedia.volumecontroller.xpc"))

    (allow mach-lookup (with report) (with telemetry)
        (global-name "com.apple.coremedia.cpeprotector.xpc")
        (global-name "com.apple.coremedia.endpoint.xpc")
        (global-name "com.apple.coremedia.figcontentkeysession.xpc")
        (global-name "com.apple.coremedia.figcpecryptor")
        (global-name "com.apple.coremedia.routingsessionmanager.xpc")
        (global-name "com.apple.coremedia.sts"))

    (mobile-preferences-read
        "com.apple.avfoundation"
        "com.apple.coreaudio"
        "com.apple.coremedia"
        "com.apple.corevideo"
        "com.apple.itunesstored" ; Needed by MediaPlayer framework
    )

    ;; AVF needs to see these network preferences:
    (allow file-read*
        (literal "/private/var/preferences/com.apple.networkd.plist"))

    ;; Required by the MediaPlayer framework.
    (allow mach-lookup (with telemetry)
        (global-name "com.apple.audio.AudioSession"))

    (allow mach-lookup (with telemetry)
        (global-name "com.apple.airplay.apsynccontroller.xpc"))

    ;; 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")
    (allow mach-lookup (with telemetry)
           (global-name "com.apple.mediaremoted.xpc"))
)

(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* (with telemetry) (subpath "/Library/CoreMediaIO/Plug-Ins/DAL"))
        (allow device-camera))

    ;; Support incoming video connections
    (allow mach-lookup (with telemetry)
        (global-name "com.apple.coremedia.compressionsession")
        (global-name "com.apple.coremedia.decompressionsession")
        (global-name "com.apple.coremedia.videoqueue"))
)

(define-once (accessibility-support)
    (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/12801477>
    (allow mach-lookup (with telemetry)
        (global-name "com.apple.accessibility.mediaaccessibilityd"))

    ;; <rdar://problem/12250145>
    (mobile-preferences-read "com.apple.mediaaccessibility"))

;;;
;;; Declare that the application uses the OpenGL, Metal, and CoreML hardware & frameworks.
;;;
(define-once (opengl)
    (allow iokit-open (with telemetry)
           (iokit-connection "IOGPU")
           (iokit-user-client-class
                "AGXDeviceUserClient"))

    (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"))

    (allow mach-lookup (with telemetry)
       ;; <rdar://problem/47268166>
       (xpc-service-name "com.apple.MTLCompilerService"))
    
    (mobile-preferences-read
        "com.apple.Metal") ;; <rdar://problem/25535471>
)

(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")))

(define-once (device-access)
    (deny file-read* file-write*
          (vnode-type BLOCK-DEVICE CHARACTER-DEVICE))

    (allow file-read* file-write-data file-ioctl (with telemetry)
           (literal "/dev/dtracehelper"))

    (allow file-read* (with telemetry)
           (literal "/dev/random")
           (literal "/dev/urandom"))
    ;; <rdar://problem/14215718>
    (deny file-write-data (with no-report)
          (literal "/dev/random")
          (literal "/dev/urandom")))

(define required-etc-files
  (literal "/private/etc/passwd"))

;; Things required by UIKit
(define-once (uikit-requirements)
    (mobile-preferences-read
        "com.apple.coreanimation")

    (allow mach-lookup
        (global-name "com.apple.CARenderServer"))

    ; UIKit-required IOKit nodes.
    (allow iokit-open (with telemetry)
        (iokit-user-client-class "IOSurfaceAcceleratorClient")
        ;; Requires by UIView -> UITextMagnifierRenderer -> UIWindow
        (iokit-user-client-class "IOSurfaceRootUserClient"))

    ;; 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))
)

(deny file-map-executable)

(deny file-write-mount file-write-unmount)

(allow file-read-metadata (with telemetry)
    (vnode-type DIRECTORY))

(with-elevated-precedence
    (allow file-read* (with telemetry)
           (subpath "/usr/lib"
                    "/usr/share"
                    "/private/var/db/timezone"))
    (allow-read-and-issue-generic-extensions
        (subpath "/Library/RegionFeatures"
                 "/System/Library"))
    (allow file-issue-extension (with telemetry)
        (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* (with telemetry) hw-identifying-paths))
    
    (allow file-map-executable (with telemetry)
           (subpath "/System/Library")
           (subpath "/usr/lib"))
    (allow file-read-metadata (with telemetry)
           (vnode-type SYMLINK))

    ;;; <rdar://problem/24144418>
    (allow file-read* (with telemetry)
           (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-read-and-issue-generic-extensions (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 (with telemetry))
            (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* (with telemetry))
            (allow file-issue-extension (with telemetry)
                   (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"))

    (allow file-issue-extension (with telemetry)
          (require-all
              (extension-class "com.apple.nsurlstorage.extension-cache")
              (extension "com.apple.security.exception.files.home-relative-path.read-write")
              (require-any
                  (prefix "/private/var/root/Library/Caches/")
                  (front-user-home-prefix "/Library/Caches/"))))
)

(with-filter (system-attribute apple-internal)
    (internal-debugging-support)
)

(allow file-read*
    required-etc-files)

(allow file-read* (with telemetry) (with message "Accessing root of filesystem")
    (literal "/"))

(device-access)

(allow file-issue-extension (with telemetry)
    (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"))

(allow mach-lookup (with telemetry)
    (global-name "com.apple.tccd"))

(allow mach-lookup
    (require-all
        (extension "com.apple.webkit.extension.mach")
        (global-name "com.apple.mobilegestalt.xpc")))

;; <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 (with telemetry)))

(allow mach-lookup (with telemetry)
    (global-name "com.apple.runningboard")) ;; Needed by process assertion code (ProcessTaskStateObserver).

(allow system-sched (with telemetry)
       (require-entitlement "com.apple.private.kernel.override-cpumon"))

(deny sysctl-read (with no-report)
      (sysctl-name
          "hw.tbfrequency_compat" ;; <rdar://71740719>
          "sysctl.proc_native"))

(with-filter (system-attribute apple-internal)
    (allow sysctl-read sysctl-write
           (sysctl-name "vm.footprint_suspend"))
    (allow nvram-get (with telemetry) (nvram-variable "emu")) ;; <rdar://problem/78363040>
)

;; ObjC map_images needs to send logging data to syslog. <rdar://problem/39778918>
(with-filter (system-attribute apple-internal)
    (allow network-outbound (with telemetry)
       (literal "/private/var/run/syslog")
    )
)

(allow mach-lookup (with telemetry)
       (global-name "com.apple.system.notification_center"))
(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-well-known-system-group-container-subpath-read
       "/systemgroup.com.apple.icloud.findmydevice.managed/Library")

(allow mach-task-name (with telemetry) (target self))

(allow process-info* (with telemetry))
(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))
(allow process-info-codesignature (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-audio)
(play-media)

;; Access to media controls
(media-remote)

;; Permit reading assets via MobileAsset framework.
(asset-access 'with-media-playback)

(allow file-read*
    (subpath "/private/var/MobileAsset/AssetsV2/com_apple_MobileAsset_Font7"))

;; 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")

;; 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))

(allow file-read*
    (home-subpath "/Library/Fonts"))

(allow-preferences-common)

;; Home Button
(with-filter (iokit-registry-entry-class "IOPlatformDevice")
    (allow iokit-get-properties
        (iokit-property "home-button-type")))

(uikit-requirements)

; Silently deny writes when CFData attempts to write to the cache directory.
(deny file-write*
    (home-literal "/Library/Caches/DateFormats.plist")
    (with no-log))

; <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))

;;;
;;; End UIKit-apps.sb content
;;;

(deny sysctl* (with telemetry))
(allow sysctl-read (with telemetry)
    (sysctl-name
        "hw.activecpu"
        "hw.cachelinesize"
        "hw.l2cachesize"
        "hw.logicalcpu_max"
        "hw.machine"
        "hw.memsize"
        "hw.model"
        "hw.ncpu"
        "hw.pagesize_compat"
        "hw.physicalcpu_max"
        "hw.product" ;; <rdar://problem/81334849>
        "kern.bootargs"
        "kern.osproductversion"
        "kern.osvariant_status"
        "kern.secure_kernel"
        "kern.osversion"
        "vm.footprint_suspend"))

(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 "IOGVABGRAEnc")
    (iokit-property "IOGVACodec")
    (iokit-property "IOGVAEncoderRestricted")
    (iokit-property "IOGVAScaler")
    (iokit-property "IOClassNameOverride")
    (iokit-property "IOPlatformUUID")
    (iokit-property "IOSurfaceAcceleratorCapabilitiesDict")
    (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 "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
            "model"
            "model-number"
            "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.avfoundation.videoperformancehud") ;; <rdar://problem/31594568>

;; Sandbox extensions
(define (apply-read-and-issue-extension op path-filter)
    (op file-read* (with telemetry) 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* (with telemetry) 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 (with telemetry) (require-all
    (extension "com.apple.app-sandbox.read-write")
    (extension-class "com.apple.nsurlstorage.extension-cache")))

(accessibility-support)

(media-accessibility-support)

(with-filter (system-attribute apple-internal)
    (allow mach-lookup
        (global-name "com.apple.diagnosticd")
        (global-name "com.apple.analyticsd")))

;; Silence reports about things we do not want access to:
(deny mach-lookup (with no-report)
    (global-name "com.apple.fontservicesd")
)

(deny file-write-create (vnode-type SYMLINK))
(deny file-read-xattr file-write-xattr (xattr-prefix "com.apple.security.private."))

(allow iokit-open
    (require-all
        (extension "com.apple.webkit.extension.iokit")
        (iokit-user-client-class
            "AGXCommandQueue"
            "AGXDevice"
            "AGXSharedUserClient"
            "IOAccelContext"
            "IOAccelDevice"
            "IOAccelSharedUserClient"
            "IOAccelSubmitter2"
            "IOAccelContext2"
            "IOAccelDevice2"
            "IOAccelSharedUserClient2")))

(deny mach-lookup (with no-log)
    (xpc-service-name "com.apple.audio.toolbox.reporting.service")
)

(deny mach-lookup (with no-log) (with telemetry)
    (global-name "com.apple.audio.AudioComponentRegistrar"))

(deny mach-lookup (with telemetry)
    (xpc-service-name "com.apple.iconservices")
    (global-name
        "com.apple.PowerManagement.control"
        "com.apple.iconservices"
        "com.apple.frontboard.systemappservices"
    )
)

(allow mach-lookup (with telemetry)
    (global-name "com.apple.systemstatus.activityattribution")
)

(media-capture-support)

(allow mach-lookup (with telemetry)
  (global-name "com.apple.audio.AudioQueueServer")
)

;; These services have been identified as unused during living-on.
;; This list overrides some definitions above and in common.sb.
;; FIXME: remove overridden rules once the final list has been
;; established, see https://bugs.webkit.org/show_bug.cgi?id=193840
(deny mach-lookup
    (global-name "com.apple.webkit.camera")
)

(when (defined? 'syscall-unix)
    (deny syscall-unix (with telemetry))
    (allow syscall-unix (syscall-number
        SYS___disable_threadsignal
        SYS___mac_syscall
        SYS___pthread_sigmask
        SYS___pthread_kill
        SYS___semwait_signal
        SYS_abort_with_payload
        SYS_access
        SYS_bsdthread_create
        SYS_bsdthread_ctl
        SYS_bsdthread_register
        SYS_bsdthread_terminate
        SYS_change_fdguard_np
        SYS_chdir
        SYS_close
        SYS_close_nocancel
        SYS_connect
        SYS_csops
        SYS_csops_audittoken
        SYS_dup
        SYS_dup2
        SYS_exit
        SYS_fcntl
        SYS_fcntl_nocancel
        SYS_fileport_makefd
        SYS_flock
        SYS_fsetattrlist
        SYS_fsetxattr
        SYS_fsgetpath
        SYS_fstat64
        SYS_fstatat64
        SYS_fstatfs64
        SYS_ftruncate
        SYS_getattrlist
        SYS_getdirentries64
        SYS_getegid
        SYS_getentropy
        SYS_geteuid
        SYS_getfsstat64
        SYS_getgid
        SYS_getpid
        SYS_getrlimit
        SYS_getrusage
        SYS_gettid
        SYS_gettimeofday
        SYS_getuid
        SYS_ioctl
        SYS_issetugid
        SYS_kdebug_trace64
        SYS_kdebug_trace_string
        SYS_kdebug_typefilter
        SYS_kevent_id
        SYS_kevent_qos
        SYS_kqueue_workloop_ctl
        SYS_lseek
        SYS_lstat64
        SYS_madvise
        SYS_memorystatus_control
        SYS_mkdir
        SYS_mmap
        SYS_mprotect
        SYS_msync
        SYS_munmap
        SYS_objc_bp_assist_cfg_np
        SYS_open
        SYS_open_nocancel
        SYS_openat
        SYS_os_fault_with_payload
        SYS_pathconf
        SYS_pread
        SYS_proc_info
        SYS_proc_info_extended_id
        SYS_psynch_cvbroad
        SYS_psynch_cvclrprepost
        SYS_psynch_cvsignal
        SYS_psynch_cvwait
        SYS_psynch_mutexdrop
        SYS_psynch_mutexwait
        SYS_psynch_rw_rdlock
        SYS_psynch_rw_unlock
        SYS_psynch_rw_wrlock
        SYS_read
        SYS_read_nocancel
        SYS_readlink
        SYS_rename
        SYS_sem_close
        SYS_sem_open
        SYS_sendto
        SYS_shared_region_check_np
        SYS_shm_open
        SYS_sigaction
        SYS_sigprocmask
        SYS_socket
        SYS_stat64
        SYS_statfs64
        SYS_sysctl
        SYS_sysctlbyname
        SYS_thread_selfid
        SYS_ulock_wait
        SYS_ulock_wake
        SYS_work_interval_ctl
        SYS_workq_kernreturn
        SYS_workq_open
        SYS_write_nocancel
        SYS_writev)))

(when (defined? 'SYS_map_with_linking_np)
    (allow syscall-unix (syscall-number SYS_map_with_linking_np)))

(when (defined? 'syscall-mach)
    (deny syscall-mach (with telemetry))
    (allow syscall-mach
        (machtrap-number
            MSC__kernelrpc_mach_port_allocate_trap
            MSC__kernelrpc_mach_port_construct_trap
            MSC__kernelrpc_mach_port_deallocate_trap
            MSC__kernelrpc_mach_port_destruct_trap
            MSC__kernelrpc_mach_port_extract_member_trap
            MSC__kernelrpc_mach_port_get_attributes_trap
            MSC__kernelrpc_mach_port_guard_trap
            MSC__kernelrpc_mach_port_insert_member_trap
            MSC__kernelrpc_mach_port_insert_right_trap
            MSC__kernelrpc_mach_port_mod_refs_trap
            MSC__kernelrpc_mach_port_request_notification_trap
            MSC__kernelrpc_mach_port_type_trap
            MSC__kernelrpc_mach_vm_allocate_trap
            MSC__kernelrpc_mach_vm_deallocate_trap
            MSC__kernelrpc_mach_vm_map_trap
            MSC__kernelrpc_mach_vm_protect_trap
            MSC_host_create_mach_voucher_trap
            MSC_host_self_trap
            MSC_mach_generate_activity_id
            MSC_mach_msg_trap
            MSC_mach_reply_port
            MSC_mach_timebase_info_trap
            MSC_mach_voucher_extract_attr_recipe_trap
            MSC_mk_timer_arm
            MSC_mk_timer_cancel
            MSC_mk_timer_create
            MSC_pid_for_task
            MSC_semaphore_signal_trap
            MSC_semaphore_timedwait_trap
            MSC_semaphore_wait_trap
            MSC_syscall_thread_switch
            MSC_task_name_for_pid
            MSC_task_self_trap
            MSC_thread_get_special_reply_port)))

#if ENABLE(SYSTEM_CONTENT_PATH_SANDBOX_RULES)
#include <WebKitAdditions/SystemContentSandbox-ios.defs>

(allow file-read* file-test-existence
    (apply subpath file-read-existence-secondary-paths))

(allow file-map-executable
    (apply subpath secondary-framework-and-dylib-paths))

(allow-read-and-issue-generic-extensions
    (apply subpath issue-extension-secondary-paths))

(allow file-issue-extension
    (require-all
        (extension-class "com.apple.mediaserverd.read")
        (apply subpath issue-extension-secondary-paths)))
#endif