;;; Copyright (c) 2020 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 iokit-get-properties process-info* nvram*)
(deny dynamic-code-generation)

;; Debugging lines. Enable these and disable the three lines above if you need to make changes or otherwise tinker with this.
;(allow default (with report))
;(allow file-map-executable iokit-get-properties process-info* nvram* (with report))
;(allow dynamic-code-generation (with report))

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

;; Necessary-to-parsec-fbf bits
(allow iokit-get-properties)

(allow mach-lookup
    (global-name "com.apple.nsurlsessiond")
    (global-name "com.apple.cookied")
    (global-name "com.apple.SecurityServer")
    (global-name "com.apple.coreservices.launchservicesd")
    (global-name "com.apple.containermanagerd")
    (global-name "com.apple.lsd.mapdb")
    (global-name "com.apple.duetactivityscheduler")
    (global-name "com.apple.extensionkitservice"))

(system-network)
(allow network-outbound
    (literal "/private/var/run/mDNSResponder")
    (remote ip))

;; Process information
(allow process-info-pidinfo)
(allow process-info* (target self))

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

;;; 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)))

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

;; (shared with)parsecd’s CFPreferences/NSUserDefaults operational requirements
(allow user-preference-read user-preference-write
    (preference-domain "com.apple.parsecd"))

(allow user-preference-read
    (preference-domain "kCFPreferencesAnyApplication")
    (preference-domain "com.apple.security")
    (preference-domain "com.apple.GEO")
    (preference-domain "com.apple.spotlightui"))

;; Filesystem Access
(allow file-read*
    (literal "/Library/Preferences/.GlobalPreferences.plist")
    (literal "/Library/Application Support/CrashReporter/DiagnosticMessagesHistory.plist") ;; For checking D&U status
    (subpath "/usr/local/lib/log")
    (home-literal "/Library/Preferences/com.apple.LaunchServices/com.apple.launchservices.secure.plist"))

;; Security.Framework
(allow file-read* file-write* (extension "parsec-fbf:mds"))
(allow file-read* (subpath (param "SECURITY_MESSAGES_DIR")))
(allow ipc-posix-shm-read-data ipc-posix-shm-write-create ipc-posix-shm-write-data
    (ipc-posix-name "com.apple.AppleDatabaseChanged"))

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

;; Read/write access to parsecd’s cache.
(let ((cache-path-filter (home-subpath "/Library/Caches/com.apple.parsecd")))
  (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)))

;; Read/write access to PegasusConfiguration group container.
(let ((cache-path-filter (home-subpath "/Library/Group Containers/group.com.apple.PegasusConfiguration")))
  (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)))

;; Read/write access to FeedbackLogger's cache dir
(allow file-read* file-write* (home-subpath "/Library/Caches/com.apple.feedbacklogger"))

;; Read/write access to FeedbackLogger's group container
(let ((cache-path-filter (home-subpath "/Library/Group Containers/group.com.apple.feedbacklogger")))
  (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)))

(let ((cache-path-filter (subpath (param "DARWIN_TMP_DIR"))))
    (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)))

;; For Data Vault access
;; Too permissive per the SEAR team. To be fixed in rdar://154193200
(allow file-read* file-write*
    (regex #"^(/private)?/var/folders/[^/]+/[^/]+/[^/]+/com\.apple\.parsec(d|-fbf)($|/)"))