; Copyright (C) 2014-2019 Apple Inc. All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions
; are met:
; 1. Redistributions of source code must retain the above copyright
; notice, this list of conditions and the following disclaimer.
; 2. Redistributions in binary form must reproduce the above copyright
; notice, this list of conditions and the following disclaimer in the
; documentation and/or other materials provided with the distribution.
;
; THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
; THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
; BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
; THE POSSIBILITY OF SUCH DAMAGE.

(version 1)
(deny default (with partial-symbolication))
(allow system-audit file-read-metadata)

(import "common.sb")

(deny mach-lookup (xpc-service-name-prefix ""))

(deny lsopen)

(deny sysctl*)
(allow sysctl-read
    (sysctl-name
        "hw.availcpu"
        "hw.ncpu"
        "hw.model"
        "kern.memorystatus_level"
        "vm.footprint_suspend"))

;; Access to client's cache folder & re-vending to CFNetwork.
;; FIXME: Remove the webkit specific extension classes <rdar://problem/17755931>
(allow file-issue-extension (require-all
    (extension "com.apple.app-sandbox.read-write")
    (extension-class "com.apple.nsurlstorage.extension-cache")))

;; App sandbox extensions
(allow file-read* file-write* (extension "com.apple.app-sandbox.read-write"))
(allow file-read* (extension "com.apple.app-sandbox.read"))

;; FIXME: <rdar://problem/17909681> SSO expects to be able to walk the parent
;; bundle to find Info plists, so we jump through a few hoops here to provide
;; enough access to make it possible.

;; IOKit user clients
(allow iokit-open
       (iokit-user-client-class "RootDomainUserClient"))

;; Various services required by CFNetwork and other frameworks
(allow mach-lookup
       (global-name "com.apple.PowerManagement.control"))

(network-client (remote tcp) (remote udp))

;; allow 3rd party applications to access nsurlstoraged's top level domain data cache
(allow-well-known-system-group-container-subpath-read
    "/systemgroup.com.apple.nsurlstoragedresources/Library/dafsaData.bin")

(allow file-read-data
    (literal "/usr/local/lib/log") ; <rdar://problem/36629495>
)

;; Security framework
(allow mach-lookup
    (global-name "com.apple.ocspd")
    (global-name "com.apple.securityd"))

;; PassKit framework
(allow mach-lookup
    (global-name "com.apple.passd.in-app-payment")
    (global-name "com.apple.passd.library"))

(allow mach-lookup
    (global-name "com.apple.FileCoordination")
    (global-name "com.apple.dmd.policy")
    (global-name "com.apple.siri.context.service")
    (global-name "com.apple.ctcategories.service"))

(deny file-write-create
       (vnode-type SYMLINK))

;; FIXME should be removed when <rdar://problem/30498072> is fixed.
(allow network*
    (local udp)
    (remote udp)
    (local tcp)
    (remote tcp))

;; Various services required by system frameworks
(allow mach-lookup
    (global-name "com.apple.lsd.mapdb")
    (global-name "com.apple.analyticsd")
    (global-name "com.apple.AppSSO.service-xpc"))

;; For reporting progress for active downloads <rdar://problem/44405661>
(allow mach-lookup
    (global-name "com.apple.ProgressReporting"))

 ;; <rdar://problem/47598758>
(allow mach-lookup
    (global-name "com.apple.nesessionmanager.content-filter"))

;; Various shared memory accesses required by system frameworks
(allow ipc-posix-shm-read-data
    (ipc-posix-name "/com.apple.AppSSO.version"))