;;; 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)))


(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)

(allow user-preference-read user-preference-write
    (preference-domain "com.apple.analyticsagent"))
(allow user-preference-read
    (preference-domain "kCFPreferencesAnyApplication"))
(allow user-preference-read
    (preference-domain "com.apple.gms.availability"))

;; Read/write access to a temporary directory.
(allow file-read* file-write*
       (subpath (param "TMPDIR"))
       (subpath (param "DARWIN_CACHE_DIR")))

(allow file-read*
    (literal "/private/var/db/eligibilityd/eligibility.plist")
)

;; Generative models availability reasons read access
(allow mach-lookup
    (global-name "com.apple.generativeexperiences.availabilityService")
)

;; BGSystemTaskScheduler access (for BackgroundSystemTasks framework)
(allow mach-lookup
    (global-name "com.apple.duetactivityscheduler")
)

;; Biome stream access (for App.InFocus app usage data)
(allow mach-lookup
    (global-name "com.apple.biome.access.user")
    (global-name "com.apple.biome.access.system")
    (global-name "com.apple.biome.compute.publisher.service.user")
    (global-name "com.apple.biome.compute.publisher.service")
)

;; Biome data directory access (read-only for App.InFocus stream)
(allow file-read*
    (home-subpath "/Library/Biome/streams/restricted/App.InFocus")
)

;; accountsd apple app store region read access
(with-filter (process-path-regex "/analyticsagent$")
  (allow mach-lookup (global-name "com.apple.xpc.amsaccountsd"))
  (allow syscall-mach (machtrap-number MSC_thread_self_trap))
  (allow syscall-mig (kernel-mig-routine mach_vm_remap_external)))

(with-filter (require-any
               (process-path-regex "/analyticsagent$")
               (process-path
                 "/System/Library/PrivateFrameworks/CoreAnalytics.framework/Support/analyticsagent"))
  (allow mach-lookup (global-name "com.apple.accountsd.accountmanager"))
  (allow syscall-mach (machtrap-number MSC_task_dyld_process_info_notify_get))
  (allow syscall-mig (kernel-mig-routine mach_vm_copy))
  (allow syscall-unix
         (syscall-number SYS_pathconf)
         (syscall-number SYS_proc_info_extended_id))
  (allow system-mac-syscall
         (require-all (mac-policy-name "Sandbox") (mac-syscall-number 4))))