;;; Copyright (c) 2017 Apple Inc.  All Rights reserved.
;;;
;;; WARNING: The sandbox rules in this file currently constitute
;;; Apple System Private Interface and are subject to change at any time and
;;; without notice.
;;;
(version 1)

(deny default)
(deny file-map-executable process-info* nvram*)
(deny dynamic-code-generation)

(import "system.sb")
(import "com.apple.corefoundation.sb")
(corefoundation)

;;; Homedir-relative path filters
(define (home-regex home-relative-regex)
    (regex (string-append "^" (regex-quote (param "HOME")) home-relative-regex)))

(define (home-subpath home-relative-subpath)
    (subpath (string-append (param "HOME") home-relative-subpath)))

(define (home-prefix home-relative-prefix)
    (prefix (string-append (param "HOME") home-relative-prefix)))

(define (home-literal home-relative-literal)
    (literal (string-append (param "HOME") home-relative-literal)))

;; Debugging support
(define debugging-support-enabled?
    (lambda ()
        (and (param "DEBUG") (positive? (string-length (param "DEBUG"))))))

(allow process-info* (target self))

;; For resolving symlinks, realpath(3), and equivalents.
(allow file-read-metadata)

;; For validating the entitlements of clients.
(allow process-info-codesignature)

;; Specific preference domain for naturallanguaged
(allow user-preference-read user-preference-write
       (preference-domain "com.apple.naturallanguaged"))

;; Additional preference domains
(allow user-preference-read
       (preference-domain "kCFPreferencesAnyApplication")
       (preference-domain "com.apple.GenerativeFunctions.GenerativeFunctionsInstrumentation")
       (preference-domain "com.apple.LaunchServices"))

;; Read/write access to temporary and cache directories
(allow file-read* file-write*
       (subpath (param "TMPDIR"))
       (subpath (param "DARWIN_CACHE_DIR")))

;; Read access to additional relevant files and directories
(allow file-read*
    (literal "/usr/libexec")
    (literal "/usr/libexec/naturallanguaged"))

;; Read/write access to additional relevant files and directories
(allow file-read* file-write*
    (home-subpath "/Library/Caches")
    (home-subpath "/Library/Keyboard")
    (home-subpath "/Library/LanguageModeling")
    (home-subpath "/Library/Spelling"))

;; Issue extension for MIL model compilation
(allow file-issue-extension
    (require-all
        (extension-class "com.apple.app-sandbox.read")
        (home-subpath "/Library/Caches/com.apple.naturallanguaged")))

;; Consume sandbox extension for daemon data container
(allow file-read* file-write*
    (extension "com.apple.sandbox.container"))

;; Issue read extensions to client processes for compiled model cache
(allow file-issue-extension
    (require-all
        (extension-class "com.apple.app-sandbox.read")
        (extension "com.apple.sandbox.container")))

;; Access to Mach services
(allow mach-lookup (global-name "com.apple.appleneuralengine")
                   (global-name "com.apple.lsd.mapdb")
                   (global-name "com.apple.lsd.modifydb")
                   (global-name "com.apple.coreservices.quarantine-resolver")
                   (global-name "com.apple.mobileassetd.v2")
                   (global-name "com.apple.generativeexperiences.textcomposition")
                   (global-name "com.apple.modelmanager")
                   (global-name "com.apple.modelcatalog.catalog")
                   (global-name "com.apple.biome.access.user")
                   (global-name "com.apple.applespell")
                   (global-name "com.apple.containermanagerd")
                   (global-name "com.apple.containermanagerd.system"))

;; Access to ANE
(allow iokit-open
    (iokit-user-client-class
        "IOSurfaceRootUserClient"
        "IOGPUDeviceUserClient"
        "H11ANEInDirectPathClient"
        "IOSurfaceAcceleratorClient"))

(allow file-map-executable
    (regex #"^/System/Library/Extensions/AGXMetal[A-Za-z0-9_]+\.bundle/"))