;;; Copyright (c) 2021 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-pidinfo) ;; to display client name in logs

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

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

;; Your preference domain
(allow user-preference-read user-preference-write
    (preference-domain "com.apple.biomesyncd")
    (preference-domain "com.apple.contextsync.subscriptions")
    (preference-domain "com.apple.facetime.bag"))

; .GlobalPreferences
(allow user-preference-read
       (preference-domain "kCFPreferencesAnyApplication")
       (preference-domain "com.apple.CloudKit")
       (preference-domain "com.apple.AppSupport")
       (preference-domain "com.apple.SystemConfiguration.configd")
       (preference-domain "com.apple.rapport"))

(allow file-read* file-write*
  (home-subpath "/Library/Assistant/SiriVocabulary/"))

;; Read for NSBundle
(allow file-read*
    (literal "/usr/libexec")
    (literal "/usr/libexec/biomesyncd"))

;; Read/write access to suffixed darwin directories
(allow file-read* file-write*
       (subpath (param "DARWIN_USER_DIR"))
       (subpath (param "DARWIN_USER_TMP_DIR"))
       (subpath (param "DARWIN_USER_CACHE_DIR")))

;; Read/write cache access
(let ((cache-path-filter (home-subpath "/Library/Caches/com.apple.biomesyncd")))
    (allow file-read* file-write* cache-path-filter)
    (allow file-issue-extension
        (require-all
            (extension-class "com.apple.app-sandbox.read" "com.apple.app-sandbox.read-write")
            cache-path-filter)))

;; Service lookup
(allow mach-lookup
    (global-name "com.apple.biome.access.user")
    (global-name "com.apple.biome.access.system")
    (global-name "com.apple.biome.compute.source.user")
    (global-name "com.apple.CompanionLink")
    (global-name "com.apple.cloudd")
    (global-name "com.apple.apsd")
    (global-name "com.apple.lsd.mapdb")
    (global-name "com.apple.accountsd.accountmanager")
    (global-name "com.apple.lsd.modifydb")
    (global-name "com.apple.metadata.mds")
    (global-name "com.apple.identityservicesd.desktop.auth")
    (global-name "com.apple.intelligenceplatform.Coordination")
    (global-name "com.apple.logind")
    (global-name "com.apple.SetStoreUpdateService")
    (global-name "com.apple.biome.access.user")
    (global-name "com.apple.biome.access.system")
    (global-name "com.apple.duetactivityscheduler")
)

;; Sandbox Extensions
(with-filter (extension "com.apple.app-sandbox.read")
  (allow file-read*))
(with-filter (extension "com.apple.app-sandbox.read-write")
  (allow file-read* file-write*))

;; AppleKeyStore
(allow iokit-open
    (iokit-user-client-class "AppleKeyStoreUserClient")
)

;; CascadeSets Maintenance
(allow mach-lookup
    (global-name "com.apple.cascade.Maintenance")
)

;; Allow read-only access to $HOME/Library/Trial
(allow file-read*
    (home-subpath "/Library/Trial"))

;; Allow read-only access to /Library/Trial
(allow file-read*
    (subpath "/Library/Trial"))