;;; 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)

(deny default)
(deny file-map-executable process-info* nvram*)
(deny dynamic-code-generation)

(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)

;; Your preference domain
(allow user-preference-read user-preference-write
    (preference-domain "nfcd")
    (preference-domain "com.apple.stockholm")
    (preference-domain "com.apple.stockholm.analytics")
    (preference-domain "com.apple.stockholm.atl"))

;; Read only prefs - not ours
(allow user-preference-read
    (preference-domain "kCFPreferencesAnyApplication"))

;; Need read / write / create
(allow file-read* file-write*
    (home-prefix "/Library/Preferences/com.apple.stockholm.plist")
    (home-prefix "/Library/Preferences/com.apple.stockholm.atl.plist")
    (home-prefix "/Library/Preferences/com.apple.stockholm.analytics.plist")
    (home-prefix "/Library/Preferences/nfcd.plist")
    (home-subpath "/Library")
    (home-subpath "/Library/Preferences")
    (home-subpath "/Library/NFStorage"))
    
    
(with-filter (extension-class "com.apple.cfprefsd.read" "com.apple.cfprefsd.read-write")
    (allow file-issue-extension
        (home-literal "/Library/Preferences/com.apple.stockholm.plist")
        (home-literal "/Library/Preferences/com.apple.stockholm.atl.plist")
        (home-literal "/Library/Preferences/com.apple.stockholm.analytics.plist")
        (home-literal "/Library/Preferences/nfcd.plist")
    )
)


(allow file-read* file-write-data file-ioctl
    (prefix "/dev/nfc.log"
            "/dev/spmi.nfc")
    (literal "/dev/tty.stockholm"))


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

;; XPC connections
(allow mach-lookup
    (global-name "com.apple.nfrestore")
    (global-name "com.apple.remoted")
    (global-name "com.apple.PowerManagement.control")
    (global-name "com.apple.CoreAuthentication.daemon.libxpc") ;; <rdar://problem/47733233>
    (global-name "com.apple.CoreAuthentication.daemon") ;; <rdar://problem/55258567> -- note we can remove previous line before ship
    (global-name "com.apple.mobileactivationd") ;; <rdar://problem/47733233>
    (global-name "com.apple.UNCUserNotification")
    (global-name "com.apple.coreservices.launchservicesd")
    (global-name "com.apple.passd.nf-events")
    (global-name "com.apple.stockholm.services.NFRestoreService")
    (global-name "com.apple.stockholm.services.NFStorageServer"))

;; Self lookup
(allow file-read*
    (literal "/usr/libexec")
    (literal "/usr/libexec/nfcd"))

;; Logs
(allow file-read* file-write*
    (literal "/Library/Logs/AppleSSE.log"))

;; Process info lookup
(allow process-info-pidinfo)

(allow mach-priv-host-port)

(allow iokit-open
    (iokit-user-client-class "AppleStockholmControlUserClient")
    (iokit-user-client-class "RootDomainUserClient")
    (iokit-user-client-class "AppleCredentialManagerUserClient")
    (iokit-user-client-class "AppleSSEUserClient")
    (iokit-user-client-class "AppleKeyStoreUserClient")) ;; <rdar://problem/47733233>

(allow authorization-right-obtain
    (right-name "default")
    (right-name "com.apple.applepay.reset"))


(allow system-socket
       (socket-domain AF_SYSTEM))
(allow network-outbound
       (control-name-prefix "com.apple.spmi.nfc")
       (control-name "com.apple.uart.stockholm"))

;; SEP needs this for some key related stuff in their library
(allow sysctl-read
    (sysctl-name-prefix "net.routetable."))

(with-filter (iokit-registry-entry-class "AppleDialogSPMIPMU")
    (allow iokit-set-properties
           (iokit-property "IOPMUBootLPMCtrl"
                           "IOPMUBootLPMState")))

(allow iokit-get-properties)