;;; 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)

;;; Training wheels ON...
(allow (with report) default)
(allow (with report) file-map-executable iokit-get-properties process-info* nvram*)
(allow (with report) dynamic-code-generation)

;;; Training wheels OFF...
;;; (deny default)
;;; (deny file-map-executable iokit-get-properties process-info* nvram*)
;;; (deny dynamic-code-generation)

(deny mach-priv-host-port)

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

(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-metadata)

(allow process-info-codesignature)

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

(allow file-read* file-write*
       (subpath (param "TMPDIR"))
)

(let ((cache-path-filter (home-subpath "/Library/Caches/com.apple.USBCAccessoryFirmwareUpdaterService")))
  (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)))

(allow iokit-get-properties
	(iokit-property "bDeviceProtocol")
	(iokit-property "bMaxPacketSize0")
	(iokit-property "idVendor")
	(iokit-property "idProduct")
	(iokit-property "bcdDevice")
	(iokit-property "iManufacturer")
	(iokit-property "iProduct")
	(iokit-property "iSerialNumber")
	(iokit-property "bNumConfigurations")
	(iokit-property "bcdUSB")
	(iokit-property "Device Speed")
	(iokit-property "Bus Power Available")
	(iokit-property "USB Address")
	(iokit-property "Built-In")
	(iokit-property "non-removable")
	(iokit-property "sessionID")
	(iokit-property "USB Vendor Name")
	(iokit-property "kUSBVendorString")
	(iokit-property "USB Product Name")
	(iokit-property "kUSBProductString")
	(iokit-property "USB Serial Number")
	(iokit-property "kUSBSerialNumberString")
	(iokit-property "AppleUSBAlternateServiceRegistryID")
	(iokit-property "IOCFPlugInTypes")
	(iokit-property "IOPowerManagement")
	(iokit-property "kUSBCurrentConfiguration")
	(iokit-property "IOClassNameOverride")
	(iokit-property "locationID")
	(iokit-property "PortNum")
	(iokit-property "IOGeneralInterest")
	(iokit-property "bDeviceClass")
	(iokit-property "bDeviceSubClass")
	(iokit-property "RID")
	(iokit-property "Route String")
	(iokit-property "OSKernelCPUType")
	(iokit-property "OSKernelCPUSubtype")
	(iokit-property "Address")
	(iokit-property "Vendor ID")
	(iokit-property "Device ID")
)

(allow nvram-get
    (nvram-variable "boot-args")
)

(allow iokit-open
	(iokit-user-client-class "AppleHPMUserClient")
)

(allow file-map-executable
	(subpath "/System/Library/Extensions/AppleHPM.kext/")
)