;;; 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)

;; Uncomment the following rules to report violations when testing a change and
;;   set 'sysctl security.mac.sandbox.debug_mode=544' to see verbose violation reporting.
;;
;; (allow (with report) default)
;; (allow (with report) file-map-executable process-info* nvram*)
;; (allow (with report) dynamic-code-generation)

(deny mach-priv-host-port)

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

(allow process-info* (target self))

;; installcoordinationd will log info when a process isn't entitled to the service
(allow process-info-pidinfo)

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

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

(with-filter (extension-class "com.apple.app-sandbox.read-write")
    (allow file-issue-extension
        (mount-relative-subpath "/.AppInstallationStaging/com.apple.appinstall.temp")
        (subpath "/private/tmp/com.apple.appinstall.temp")))

(allow file-read* file-write*
    (mount-relative-regex #"^/private/var/db/installcoordinationd($|/)")
    (mount-relative-subpath "/.AppInstallationStaging"))

;; NSFileManager uses the following for creating temporary items
(allow file-read* file-write*
    (regex #"^/private/var/folders/[^/]+/[^/]+/T")
    (mount-relative-literal "/.TemporaryItems")
    (mount-relative-regex #"^/\.TemporaryItems/folders.[0-9]+(/|$)"))

(allow file-read* (extension "com.apple.app-sandbox.read"))

(allow mach-lookup
    (global-name "com.apple.metadata.mds")
    (global-name "com.apple.containermanagerd")
    (global-name "com.apple.containermanagerd.system")
    (global-name "com.apple.installcoordinationd_test_daemon")
    (global-name "com.apple.appinstalld")
    (global-name "com.apple.security.syspolicy.exec")
    (global-name "com.apple.lsd.mapdb")
    (global-name "com.apple.lsd.modifydb")
    (global-name "com.apple.mdmclient.daemon.unrestricted")
    (global-name "com.apple.mdmclient.daemon")
    (global-name "com.apple.managedappdistributiond.installcoordination")
    (global-name "com.apple.mobile.usermanagerd.xpc")
    (global-name "com.apple.DiskArbitration.diskarbitrationd"))

;; For power assertions.
(allow mach-lookup
       (global-name "com.apple.PowerManagement.control")
       (global-name "com.apple.iokit.powerdxpc")
       (global-name "com.apple.powerlog.plxpclogger.xpc"))
(allow iokit-open
    (iokit-user-client-class "RootDomainUserClient"))

(allow ipc-posix-sem
    (ipc-posix-name "installcoordinationd.run")
    (ipc-posix-name-prefix "installcood.f."))

(define (home-literal home-relative-literal)
    (literal (string-append (param "HOME") home-relative-literal)))

;; Required for use of CFPreferences
(allow user-preference-read user-preference-write
       (preference-domain "kCFPreferencesAnyApplication"))
(allow file-read-metadata
    ;; __CFXPreferencesCreatePreferencesDirectoryURLForTriplet stats the user's home directory.
    (home-literal "")
    ;; CFPreferencesCopyAppValue stats Preferences' parent directory.
    (home-literal "/Library/Preferences"))