;;; 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 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))

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

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

(allow ipc-posix-shm-read-data  ipc-posix-shm-write-data ipc-posix-shm-write-create
    (ipc-posix-name "/runningboard/header")
)
(allow ipc-posix-shm-read-data  ipc-posix-shm-write-data ipc-posix-shm-write-create
    (ipc-posix-name "/runningboard/pids1")
)
(allow file-read-data)
(allow mach-task-name)
(allow process-info-pidinfo)
(allow process-info-pidfdinfo)
(allow system-suspend-resume)
(allow system-sched)
(allow signal)
(allow file-read-xattr)
(allow sysctl-write (sysctl-name "kern.ipc.throttle_best_effort"))
(allow sysctl-write (sysctl-name "kern.coalition_roles"))
(allow sysctl-write (sysctl-name "kern.memorystatus.ballast_offset_mb"))
(allow sysctl-write (sysctl-name "kern.memorystatus.ballast_drained"))

(allow iokit-open
       (iokit-connection "IOGPU"))

(allow mach-lookup (global-name "com.apple.lsd.mapdb"))
(allow mach-lookup (global-name "com.apple.lsd.modifydb"))
(allow mach-lookup (global-name "com.apple.PowerManagement.control"))
(allow mach-lookup (global-name "com.apple.pluginkit.pkd"))
(allow mach-lookup (global-name "com.apple.containermanagerd"))
(allow mach-lookup (global-name "com.apple.mobile.usermanagerd.xpc"))
(allow mach-lookup (global-name "com.apple.mobile.keybagd.UserManager.xpc"))

;; Your preference domain
(allow user-preference-read user-preference-write
       (preference-domain "com.apple.runningboardd")
       (preference-domain "com.apple.coreos.fast"))

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

;;; For identifying locked files to unlock when suspending a process.
(allow file-read*)

;;; For enabling page-in telemetry.
(allow syscall-unix
    (syscall-number SYS_telemetry)
    (syscall-number SYS_rename))

;;; For reading/writing the page-in prefetching profiles.
(allow file-write*
    (subpath "/private/var/root/Library/Caches/com.apple.runningboardd"))

;;; For allowing prefetching pages from files.
(allow system-fcntl
    (fcntl-command F_RDADVISE))