;;;
;;; communicationtrustd
;;; /System/Library/PrivateFrameworks/CommunicationTrust.framework/Support/communicationtrustd
;;; TelephonyUtilities | all
;;;

(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")
(import "opendirectory.sb")
(import "contacts.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)

;; Your preference domain
(allow user-preference-read user-preference-write
       (preference-domain "com.apple.communicationtrustd"))

;; Read/write access to a temporary directory.
(allow file-read* file-write*
       (subpath (param "TMPDIR"))
       (subpath (param "DARWIN_CACHE_DIR"))
       (regex #"^/private/var/folders/[^/]+/[^/]+/T/\.AddressBookLocks($|/)")
       (home-subpath "/Library/Application Support/AddressBook")
       (home-subpath "/Library/Application Support/CallHistoryDB")
       (home-subpath "/Library/CallServices"))

;; Read/write cache access
(let ((cache-path-filter (home-subpath "/Library/Caches/com.apple.communicationtrustd")))
  (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)))
      
;; Mach lookup
(allow mach-lookup
    (global-name "com.apple.accountsd.accountmanager")
    (global-name "com.apple.analyticsd")
    (global-name "com.apple.familycircle.agent")
    (global-name "com.apple.tccd")
    (global-name "com.apple.tccd.system")
    (global-name "com.apple.suggestd.contacts")
    (global-name "com.apple.CallHistorySyncHelper")
    (global-name "com.apple.coreduetd.people")
    (global-name "com.apple.corerecents.recentsd")
    (global-name "com.apple.cmfsyncagent.auth")
    (global-name "com.apple.AddressBook.abd")
    (global-name "com.apple.AddressBook.ContactsAccountsService")
    (global-name "com.apple.contactsd.persistence")
    (global-name "com.apple.contacts.account-caching")
    (global-name "com.apple.SensitiveContentAnalysis.analysishistory")
)

; For Contacts

(contacts-client (param "HOME") (param "TMPDIR"))

(allow user-preference-read
    (preference-domain "com.apple.AddressBook")
)

(allow process-exec*
    (path "/System/Library/Frameworks/AddressBook.framework/Versions/A/Helpers/AddressBookSync.app/Contents/MacOS/AddressBookSync")
)

(allow file-map-executable
    (subpath "/System/Library/Address Book Plug-Ins")
)