;;; 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)

;; To debug , set the bellow to:
;;(allow (with report) default)
;;(allow (with report) file-map-executable process-info* nvram*)
;;(allow (with report) dynamic-code-generation)
;;
;; then using: sudo log erase --all
;; and: sbutil log show | grep micactivityd
;; You can debug sandbox violations more easily
;;
(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))

(allow file-read*
    (literal "/usr/libexec")
    (literal "/usr/libexec/micactivityd")
    (subpath "/Library/Preferences/Audio")
    (literal "/Library/Preferences/.GlobalPreferences.plist")
    (literal "/Library/Preferences/SystemConfiguration/preferences.plist")
    (literal "/Library/Preferences/com.apple.security.plist")
)

(allow file-read-data
    (literal "/Library/Preferences/com.apple.coremedia.plist")
)

(with-filter (system-attribute apple-internal)
  (allow file-read-data
      (literal "/usr/local/lib/libAudioDiagnostics.dylib"))
)

;; For resolving symlinks, realpath(3), and equivalents.
(allow file-read-metadata
    (subpath "/private/var/root")
    (subpath "/Library/Preferences")
    (subpath "/Library/Preferences/Audio")
)

(allow file-write*
    (subpath "/Library/Preferences")
    (subpath "/Library/Preferences/Audio")
    (subpath "/Library/Preferences/Audio/Data")
)

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

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

;; Read/write access to a temporary directory.
(with-filter (system-attribute apple-internal)
  (allow file-read* file-write*
         (subpath "/dev/exfiltration-adc-micactivity")
         (subpath (param "TMPDIR"))
         (subpath (param "DARWIN_CACHE_DIR"))
))

;; Read / Execute access
(allow file-read* file-map-executable
       (subpath "/usr/libexec/micactivityd")
       (subpath "/Library/Audio/Plug-Ins")
       (subpath "/System/Library/Components/AudioDSP.component")
)

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

;; mach xpc service lookup
(allow mach-lookup
       (global-name "com.apple.audio.orchestrator.registrar.service")
       (global-name "com.apple.audio.audiohald")
       (global-name "com.apple.audio.AudioComponentRegistrar")
       (global-name "com.apple.audioanalyticsd")
)

(allow ipc-posix-shm-read-data
       (ipc-posix-name-regex #"^AudioIO")
)

(allow ipc-posix-shm-write-data
       (ipc-posix-name-regex #"^AudioIO")
)

(allow ipc-posix-shm-read-metadata
       (ipc-posix-name-regex #"^AudioIO")
)

;; Allow Microphone access
(allow device-microphone)