;;; Copyright (c) 2025 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)

(deny mach-priv-host-port)

(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)))

(allow process-info* (target self))
(allow process-info-dirtycontrol (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 textcomposerd
(allow user-preference-read user-preference-write
       (preference-domain "com.apple.textcomposer"))
       
;; ModelCatalog, UnifiedAssets, and MobileAssets
(allow user-preference-read
    (preference-domain "com.apple.UnifiedAssetFramework")
    (preference-domain "com.apple.modelcatalog.ajax")
)

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

(allow user-preference-read
    (preference-domain "com.apple.assistant.backedup")
    (preference-domain "com.apple.EmojiPreferences")
    (preference-domain "com.apple.AppSupport")
    (preference-domain "com.apple.GenerativeFunctions.GenerativeFunctionsInstrumentation")
)
       
(allow managed-preference-read (preference-domain "kCFPreferencesAnyApplication"))

;; Access to Mach services
(allow mach-lookup
    (global-name "com.apple.generativeexperiences.textcomposition")
    (global-name "com.apple.generativeexperiences.externaltextcomposition")
)

;; Read/write access to a temporary directory.
(allow file-read* file-write*
       (subpath (param "TMPDIR"))
       (subpath (param "DARWIN_CACHE_DIR"))
       (mount-relative-literal "/.TemporaryItems"))
       
;; ModelCatalog, UnifiedAssets, and MobileAssets
(allow mach-lookup
    (global-name "com.apple.modelcatalog.catalog")
    (global-name "com.apple.mobileasset.autoasset")
    (global-name "com.apple.mobileassetd.v2")
    (global-name "com.apple.siri.uaf.service")
)

;; GenerativeModels
(allow mach-lookup
    (global-name "com.apple.modelmanager")
    (global-name "com.apple.biome.access.user")
)
       
(allow file-read*
    (subpath "/private/var/db/com.apple.modelcatalog/sideload/")
    (subpath "/System/Library/AssetsV2/locks/com.apple.UnifiedAssetFramework/")
    (subpath "/System/Library/AssetsV2/com_apple_MobileAsset_UAF_FM_GenerativeModels/purpose_auto/")
    (subpath "/System/Library/AssetsV2/com_apple_MobileAsset_UAF_FM_Overrides/purpose_auto/")
    (subpath "/System/Library/PreinstalledAssetsV2/RequiredByOs/com_apple_MobileAsset_UAF_FM_GenerativeModels/")
    (subpath "/System/Library/PreinstalledAssetsV2/RequiredByOs/com_apple_MobileAsset_UAF_FM_Overrides/")
)

;; Consume sandbox extensions
(with-filter (extension "com.apple.app-sandbox.read")
    (allow file-read*)
    (allow file-issue-extension (extension-class "com.apple.app-sandbox.read")))
(with-filter (extension "com.apple.app-sandbox.read-write")
    (allow file-read* file-write*)
    (allow file-issue-extension (extension-class "com.apple.app-sandbox.read" "com.apple.app-sandbox.read-write")))

;; Required by Metal (125737511)
(allow file-read* file-write*
    (home-subpath "/Library/Caches/com.apple.textcomposerd/")
)