; Copyright (C) 2014-2022 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))
(deny nvram*)
(deny system-privilege)
(allow system-audit file-read-metadata)

;; We can remove the catch once we no longer need to support iOS 15 (or earlier))
(catch (lambda)
    (import "dyld-support.sb"))

(allow system-privilege (with grant)
    (require-all
        (privilege-id PRIV_NET_PRIVILEGED_SOCKET_DELEGATE)
        (require-entitlement "com.apple.private.network.socket-delegate")))

;; Silence spurious logging due to rdar://20117923 and rdar://72366475
(deny system-privilege (privilege-id PRIV_GLOBAL_PROC_INFO) (with no-report))

;;;
;;; The following rules were originally contained in 'common.sb'. We are duplicating them here so we can
;;; remove unneeded sandbox extensions.
;;;

(import "util.sb")

(define-once (allow-read-and-issue-generic-extensions . filters)
    (allow file-read*
           (apply require-any filters))
    (allow file-issue-extension
        (require-all
            ;; APP_SANDBOX_READ - default for sandbox_issue_extension() & sandbox_issue_fs_extension().
            (extension-class "com.apple.app-sandbox.read")
            (apply require-any filters))))

(define-once (allow-read-write-and-issue-generic-extensions . filters)
    (allow file-read* file-write* 
           (apply require-any filters))
    (allow file-read-metadata
           (apply require-any filters))
    (allow file-issue-extension
        (require-all
            (extension-class "com.apple.app-sandbox.read-write" "com.apple.app-sandbox.read")
            (apply require-any filters))))

(define-once (allow-network-common)
    ;; <rdar://problem/8645367>
    (allow system-socket (require-all (socket-domain AF_SYSTEM) (socket-protocol 2)))
    (allow network-outbound
           (control-name "com.apple.netsrc"))

    (allow sysctl-read
           (sysctl-name-prefix "net.routetable."))

    ;; <rdar://problem/10642881>
    (allow file-read*
           (literal "/private/var/preferences/com.apple.networkd.plist"))

    ;; <rdar://problem/27580907>
    (allow file-read*
           (literal "/private/var/Managed Preferences/mobile/com.apple.SystemConfiguration.plist"))

    ;; <rdar://problem/13679154>
    (deny file-read* 
           (literal "/private/var/preferences/com.apple.NetworkStatistics.plist"))

    ;; <rdar://problem/15711661>
    (allow mach-lookup 
           (global-name "com.apple.nesessionmanager"))

    ;; <rdar://problem/7693463>
    (deny system-socket (socket-domain AF_ROUTE))

    (if gizmo?
        (with-filter
            (require-any
                (require-entitlement "com.apple.security.network.client")
                (require-entitlement "com.apple.security.network.server"))
            (allow network-outbound (literal "/private/var/run/mDNSResponder"))
            (allow mach-lookup (global-name "com.apple.dnssd.service"))) ;; <rdar://problem/55562091>
        (begin
            (allow network-outbound (literal "/private/var/run/mDNSResponder"))
            (allow mach-lookup (global-name "com.apple.dnssd.service")))) ;; <rdar://problem/55562091>

    (deny mach-lookup 
           (global-name "com.apple.SystemConfiguration.helper")
           (global-name "com.apple.SystemConfiguration.SCNetworkReachability")
           (global-name "com.apple.SystemConfiguration.DNSConfiguration")
           (global-name "com.apple.SystemConfiguration.PPPController"))
    ;; <rdar://problem/10962803>
    ;; <rdar://problem/13238730>
    (allow mach-lookup 
           (global-name "com.apple.SystemConfiguration.configd")
           (global-name "com.apple.SystemConfiguration.NetworkInformation"))

    ;; <rdar://problem/11792470>
    ;; <rdar://problem/13305819>
    (deny mach-lookup 
           (global-name "com.apple.commcenter.xpc")
           (global-name "com.apple.commcenter.cupolicy.xpc"))

    (deny mach-lookup 
           (global-name "com.apple.securityd")
           (global-name "com.apple.symptomsd"))
    (allow mach-lookup
           (global-name "com.apple.trustd"))
    (deny file-read* 
           (literal "/private/var/preferences/com.apple.security.plist"))

    ;; <rdar://problem/13301795>
    (allow mach-lookup 
           (global-name "com.apple.usymptomsd")
           (global-name "com.apple.symptoms.symptomsd.managed_events")) ; <rdar://problem/32768772>

    (with-filter (entitlement-is-present "com.apple.private.networkextension.configuration")
           (allow file-read*  (literal "/private/var/preferences/com.apple.networkextension.plist")))

    (allow file-read* 
        (literal "/private/var/preferences/com.apple.networkextension.uuidcache.plist")
        (prefix "/private/var/db/com.apple.networkextension.")
    )

#if ENABLE(CONTENT_FILTERING_IN_NETWORKING_PROCESS)
    (allow file-read* (literal "/private/var/Managed Preferences/mobile/com.apple.webcontentfilter.plist"))
#endif

    (allow mach-lookup
           (global-name "com.apple.AppSSO.service-xpc"))
    (deny ipc-posix-shm-read-data 
           (ipc-posix-name "/com.apple.AppSSO.version"))

    ;; <rdar://problem/30452093>
    (multipath-tcp))

(define-once (network-client . filters)
    (allow-network-common)

    ;; <rdar://problem/9193431>
    (deny mach-lookup 
           (global-name "com.apple.networkd"))

    ;; <rdar://problem/20094008>
    ;; <rdar://problem/24689958>
    (with-filter (require-any
                   (require-entitlement "com.apple.networkd.advisory_socket")
                   (require-entitlement "com.apple.networkd.disable_opportunistic")
                   (require-entitlement "com.apple.networkd.modify_settings")
                   (require-entitlement "com.apple.networkd.persistent_interface")
                   (require-entitlement "com.apple.networkd_privileged"))
        (deny mach-lookup 
               (global-name "com.apple.networkd_privileged")))

    ;; <rdar://problem/20201593>
    (deny mach-lookup 
        (global-name "com.apple.ak.anisette.xpc")
        (global-name "com.apple.ak.auth.xpc"))

    ;; <rdar://problem/15897781>
    (deny mach-lookup 
           (global-name "com.apple.nsurlsessiond"))
    (allow file-issue-extension
        (require-all
            (executable-bundle)
            (extension-class "com.apple.nsurlsessiond.readonly")))

    ;; <rdar://problem/20617514>
    (when gizmo?
        (allow mach-lookup
            (global-name "com.apple.nsurlsessiond.NSURLSessionProxyService")
            (global-name "com.apple.sharingd.NSURLSessionProxyService")))

    ;; <rdar://problem/15608009>
    (deny mach-lookup 
           (global-name "com.apple.nsurlstorage-cache"))

    ;; <rdar://86781432>
    (allow mach-lookup
           (global-name "com.apple.cfnetwork.AuthBrokerAgent"))
    ;; <rdar://problem/10423007>
    (allow mach-lookup 
           (global-name "com.apple.cfnetwork.cfnetworkagent"))

    ;; <rdar://problem/12620714>
    (deny file-write-create (with no-report)
          (home-prefix "/Library/Logs/CrashReporter/CFNetwork_"))

    (deny mach-lookup 
           (global-name "com.apple.cookied"))

    ;; <rdar://problem/17910466>
    (allow mach-lookup
           (global-name "com.apple.accountsd.accountmanager"))

    ;; GSS-API
    (allow mach-lookup
           (global-name "com.apple.GSSCred"))

    ;; <rdar://problem/17853959>
    (mobile-keybag-access)

    (allow mach-lookup
           (global-name "com.apple.nehelper"))

    (allow mach-lookup
           (global-name "com.apple.appstored.xpc.request"))

    ;; <rdar://89031731>
    (allow mach-lookup
        (global-name "com.apple.networkserviceproxy.fetch-token"))
           
    (allow-well-known-system-group-container-literal-read
           "/systemgroup.com.apple.nsurlstoragedresources/Library/dafsaData.bin")

    ;; <rdar://problem/33277999>
    (mobile-preferences-read "com.apple.CFNetwork")

    (if (null? filters)
        (allow network-outbound)
    ; else
        (allow network-outbound (apply require-any filters))))

(define-once (multipath-tcp)
    (allow system-socket (socket-domain 39)))

(define-once (managed-configuration-read-public)
    (allow file-read*
           (well-known-system-group-container-subpath "/systemgroup.com.apple.configurationprofiles/Library/ConfigurationProfiles/PublicInfo")
           (front-user-home-subpath "/Library/ConfigurationProfiles/PublicInfo")
           (front-user-home-subpath "/Library/UserConfigurationProfiles/PublicInfo"))
    (deny mach-lookup 
           (global-name "com.apple.managedconfiguration.profiled.public")))

(define-once (allow-preferences-common)
    (allow file-read-metadata 
           (home-literal "")
           (home-literal "/Library/Preferences")))

(define-once (mobile-preferences-read . domains)
    (allow-preferences-common)
    (for-each (lambda (domain)
        (begin
            (allow user-preference-read (preference-domain domain))
            (allow file-read* 
                (home-literal (string-append "/Library/Preferences/" domain ".plist")))))
        domains))

(define-once (mobile-keybag-access)
    (allow iokit-open
        (iokit-user-client-class "AppleKeyStoreUserClient") ;; Needed by NSURLCache
))

(define-once (internal-debugging-support)
        ;; <rdar://problem/8379706>
        ;; <rdar://problem/12868101>
        ;; <rdar://problem/22766887>
        ;; <rdar://problem/22880365>
        (allow file-read* file-map-executable
               (subpath "/Developer"))

        ;; <rdar://problem/7674121>
        ;; <rdar://problem/9151290>
        (allow ipc-posix-shm
               (ipc-posix-name-prefix "stack-logs")
               (ipc-posix-name-prefix "OA-")
               (ipc-posix-name-prefix "/FSM-"))

        (with-filter (system-attribute apple-internal)
            ;; <rdar://problem/8565035>
            ;; <rdar://problem/23857452>
            ;; <rdar://problem/72317112>
            (allow file-read* file-map-executable
                   (subpath "/AppleInternal")
                   (subpath "/usr/local/lib")
                   (subpath "/usr/appleinternal/lib")))
            (with-elevated-precedence
                (allow file-read* file-map-executable file-issue-extension
                   (front-user-home-subpath "/XcodeBuiltProducts")))

        ;; <rdar://problem/8107758>
        (allow file-read* file-map-executable
               (subpath "/System/Library/Frameworks")
               (subpath "/System/Library/PrivateFrameworks"))

        ;; <rdar://problem/11455762>
        (allow mach-lookup
               (global-name "com.apple.hangtracerd"))
        ;; <rdar://problem/32544921>
        (mobile-preferences-read "com.apple.hangtracer")

        ;; <rdar://problem/9090627>
        (allow mach-lookup
             (global-name "com.apple.osanalytics.osanalyticshelper")))

(define required-etc-files
  (literal "/private/etc/hosts"
           "/private/etc/passwd"
           "/private/etc/services"))

(define-once (allow-multi-instance-xpc-services)
    ;; <rdar://problem/46716068>
    (deny mach-lookup
           (with message "Create a radar and set it as a blocker to rdar://problem/48527566")
           (xpc-service-name "com.apple.WebKit.Networking"
                             "com.apple.WebKit.WebContent")
))

(deny file-map-executable)
(deny file-write-mount file-write-unmount)
(allow file-read-metadata 
    (vnode-type DIRECTORY))

(with-elevated-precedence
    ;; System files.
    (allow file-read*
        (subpath "/usr/lib"
                 "/usr/share"
                 "/private/var/db/timezone"
                 "/private/var/preferences/Logging"))

    (allow-read-and-issue-generic-extensions
         (subpath "/Library/RegionFeatures"
                  "/System/Library"))
    
    (allow file-map-executable
        (subpath "/System/Library")
        (subpath "/usr/lib"))

    (allow file-read-metadata 
        (vnode-type SYMLINK))

    (allow user-preference-read (preference-domain "kCFPreferencesAnyApplication"))
    (allow file-read*
           (front-user-home-literal "/Library/Preferences/.GlobalPreferences.plist")
           (front-user-home-literal "/Library/Preferences/.GlobalPreferences_m.plist"))

    (allow file-read*
           (literal "/private/var/Managed Preferences/mobile/.GlobalPreferences.plist"))
    (allow managed-preference-read (preference-domain "kCFPreferencesAnyApplication"))

    (deny file-read-metadata 
        (home-literal "/Library/Caches/powerlog.launchd"))

    (allow-read-and-issue-generic-extensions (executable-bundle))
    (allow file-map-executable  (executable-bundle))

    (deny file-read-data file-issue-extension file-map-executable
        (require-all
            (executable-bundle)
            (regex #"/[^/]+/SC_Info/")))

    (with-filter (global-name-prefix "")
        (deny mach-lookup 
               (extension "com.apple.security.exception.mach-lookup.global-name")))
    (with-filter (local-name-prefix "")
        (deny mach-lookup 
               (extension "com.apple.security.exception.mach-lookup.local-name"))
    )
    (allow managed-preference-read
           (extension "com.apple.security.exception.managed-preference.read-only"))
    (allow user-preference-read
           (extension "com.apple.security.exception.shared-preference.read-only"))
    (allow sysctl-read
           (extension "com.apple.security.exception.sysctl.read-only"))
    (allow sysctl-read sysctl-write
           (extension "com.apple.security.exception.sysctl.read-write"))

    (allow file-issue-extension
          (require-all
              (extension-class "com.apple.nsurlstorage.extension-cache")
              (extension "com.apple.security.exception.files.home-relative-path.read-write")
              (require-any
                  (prefix "/private/var/root/Library/Caches/")
                  (front-user-home-prefix "/Library/Caches/"))))

    (with-filter (require-entitlement "com.apple.security.exception.process-info")
        (allow process-info-pidinfo process-info-pidfdinfo process-info-pidfileportinfo process-info-rusage process-info-codesignature)
        (allow sysctl-read 
               (sysctl-name-prefix "kern.proc.")
               (sysctl-name-prefix "kern.procargs2."))))

(with-filter (system-attribute apple-internal)
    (internal-debugging-support)
)

(allow file-read*
    required-etc-files)

(allow file-read* (with message "Allowing read access to root")
    (literal "/"))

(allow mach-lookup
    (global-name "com.apple.logd")
    (global-name "com.apple.logd.events"))

(allow mach-lookup 
    (global-name "com.apple.runningboard")) ;; Needed by process assertion code (ProcessTaskStateObserver).

(allow-multi-instance-xpc-services)

(allow system-sched
    (require-entitlement "com.apple.private.kernel.override-cpumon"))

(with-filter (system-attribute apple-internal)
    (allow sysctl-read
           (sysctl-name "kern.dtrace.dof_mode"))
    (allow sysctl-read sysctl-write
           (sysctl-name "vm.footprint_suspend")))

;; Needed by WebKit LOG macros and ASL logging.
(deny file-read-metadata 
       (literal "/private/var/run/syslog"))

;; ObjC map_images needs to send logging data to syslog. <rdar://problem/39778918>
(with-filter (system-attribute apple-internal)
    (allow network-outbound
       (literal "/private/var/run/syslog")
    )
)

(allow mach-lookup
    (global-name "com.apple.system.notification_center"))
(allow ipc-posix-shm-read*
    (ipc-posix-name "apple.shm.notification_center")) ;; Needed by os_log_create

(deny mach-lookup 
    (global-name "com.apple.distributed_notifications@1v3"))

(managed-configuration-read-public)

(deny mach-lookup 
    (global-name "com.apple.ctkd.token-client"))

(deny system-info (with no-report)
    (info-type "net.link.addr"))

(allow mach-lookup
    (global-name "com.apple.system.libinfo.muser"))

(allow mach-task-name (target self))

(deny process-info*)
(allow process-info-pidinfo)
(allow process-info-pidfdinfo (target self))
(allow process-info-pidfileportinfo (target self))
(allow process-info-setcontrol (target self))
(allow process-info-dirtycontrol (target self))
(allow process-info-rusage (target self))
(allow process-info-codesignature (target self))

;;;
;;; End rules originally copied from 'common.sb'
;;;

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

(deny lsopen)

(deny sysctl* )
(allow sysctl-read
    (sysctl-name
        "hw.activecpu"
#if PLATFORM(WATCHOS)
        "hw.cpu64bit_capable"
#endif
        "hw.machine"
        "hw.memsize"
        "hw.ncpu"
        "hw.pagesize_compat"
        "kern.bootargs"
        "kern.hostname"
        "kern.maxfilesperproc"
        "kern.osproductversion"
        "kern.osrelease"
        "kern.ostype"
        "kern.osvariant_status"
        "kern.osversion"
        "kern.secure_kernel"
        "kern.version"
        "vm.footprint_suspend")
    (sysctl-name-prefix "kern.proc.pid.")
)

;; 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
(deny iokit-open 
       (iokit-user-client-class "RootDomainUserClient") ;; Needed by PowerObserver
)

;; Various services required by CFNetwork and other frameworks
(deny 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
(deny 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"))

(deny mach-lookup 
    (global-name "com.apple.FileCoordination")
    (global-name "com.apple.dmd.policy"))

(allow mach-lookup 
    (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))

;;; <rdar://problem/9876970>
(deny network-outbound
      (remote tcp "localhost:62078"))

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

(with-filter (system-attribute apple-internal)
    (allow mach-lookup
        (global-name "com.apple.diagnosticd")
        (global-name "com.apple.aggregated")
        (global-name "com.apple.analyticsd")))

;; 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"))

;; Access to ContainerManager
(allow mach-lookup 
    (global-name "com.apple.containermanagerd"))
(allow ipc-posix-sem-open
    (ipc-posix-name "containermanagerd.fb_check"))

(allow file-read*
    (literal "/dev/urandom"))

(if (system-attribute apple-internal)
    (allow file-read* file-write-data file-ioctl 
        (literal "/dev/dtracehelper"))
; else
    (deny (with no-log) file-read* file-write-data file-ioctl
        (literal "/dev/dtracehelper"))
)

(allow mach-lookup (with telemetry) (global-name "com.apple.webkit.adattributiond.service"))

;; Access to MobileGestalt
(deny mach-lookup 
    (global-name "com.apple.mobilegestalt.xpc"))
(allow file-read*
    (well-known-system-group-container-literal "/systemgroup.com.apple.mobilegestaltcache/Library/Caches/com.apple.MobileGestalt.plist"))
(allow iokit-get-properties
    (iokit-property "IORegistryEntryPropertyKeys"))

;; Needed for TCC.
(allow mach-lookup
    (global-name "com.apple.tccd"))

(when (defined? 'syscall-unix)
    (deny syscall-unix (with telemetry))
    (allow syscall-unix (syscall-number
        SYS___channel_get_info
        SYS___channel_open
        SYS___channel_sync
        SYS___disable_threadsignal
        SYS___mac_syscall
        SYS___pthread_kill
        SYS___pthread_sigmask
        SYS___semwait_signal
        SYS_abort_with_payload
        SYS_access
        SYS_bind
        SYS_bsdthread_create
        SYS_bsdthread_ctl
        SYS_bsdthread_register
        SYS_bsdthread_terminate
        SYS_change_fdguard_np
        SYS_chdir
        SYS_close
        SYS_close_nocancel
        SYS_connect
        SYS_connect_nocancel
        SYS_csops
        SYS_csops_audittoken
        SYS_dup
        SYS_dup2
        SYS_exit
        SYS_fcntl
        SYS_fcntl_nocancel
        SYS_ffsctl
        SYS_fileport_makefd
        SYS_fsgetpath
        SYS_fstat64
        SYS_fstat64_extended
        SYS_fstatat64
        SYS_fstatfs64
        SYS_fsync
        SYS_ftruncate
        SYS_getattrlist
        SYS_getdirentries64
        SYS_getegid
        SYS_getentropy
        SYS_geteuid
        SYS_getfsstat64
        SYS_getgid
        SYS_getpid
        SYS_getrlimit
        SYS_getsockname
        SYS_getsockopt
        SYS_gettid
        SYS_gettimeofday
        SYS_getuid
        SYS_guarded_close_np
        SYS_guarded_open_dprotected_np
        SYS_guarded_open_np
        SYS_guarded_pwrite_np
        SYS_ioctl
        SYS_iopolicysys
        SYS_issetugid
        SYS_kdebug_trace64
        SYS_kdebug_trace_string
        SYS_kdebug_typefilter
        SYS_kevent
        SYS_kevent_id
        SYS_kevent_qos
        SYS_kqueue
        SYS_link
        SYS_listxattr
        SYS_lseek
        SYS_lstat64
        SYS_lstat64_extended
        SYS_madvise
        SYS_memorystatus_control
        SYS_mkdir
        SYS_mkdirat
        SYS_mmap
        SYS_mprotect
        SYS_msync
        SYS_munmap
        SYS_necp_client_action
        SYS_necp_open
        SYS_objc_bp_assist_cfg_np
        SYS_open
        SYS_open_dprotected_np
        SYS_open_nocancel
        SYS_openat
        SYS_os_fault_with_payload
        SYS_pathconf
        SYS_persona
        SYS_pipe
        SYS_pread
        SYS_pread_nocancel
        SYS_proc_info
        SYS_pselect
        SYS_psynch_cvbroad
        SYS_psynch_cvclrprepost
        SYS_psynch_cvsignal
        SYS_psynch_cvwait
        SYS_psynch_mutexdrop
        SYS_psynch_mutexwait
        SYS_psynch_rw_rdlock
        SYS_psynch_rw_unlock
        SYS_pwrite_nocancel
        SYS_read
        SYS_read_nocancel
        SYS_readlink
        SYS_recvfrom
        SYS_recvfrom_nocancel
        SYS_recvmsg
        SYS_rename
        SYS_rmdir
        SYS_select
        SYS_select_nocancel
        SYS_sem_close
        SYS_sem_open
        SYS_sendmsg
        SYS_sendmsg_nocancel
        SYS_sendto
        SYS_sendto_nocancel
        SYS_setattrlistat
        SYS_setrlimit
        SYS_setsockopt
        SYS_setxattr
        SYS_shared_region_check_np
        SYS_shm_open
        SYS_shutdown
        SYS_sigaction
        SYS_sigaltstack
        SYS_sigprocmask
        SYS_socket
        SYS_socketpair
        SYS_stat64
        SYS_statfs64
        SYS_sysctl
        SYS_sysctlbyname
        SYS_thread_selfid
        SYS_ulock_wait
        SYS_ulock_wake
        SYS_unlink
        SYS_workq_kernreturn
        SYS_workq_open
        SYS_write
        SYS_write_nocancel
        SYS_writev)))

(when (defined? 'SYS_map_with_linking_np)
    (allow syscall-unix (syscall-number SYS_map_with_linking_np)))

(when (defined? 'syscall-mach)
    (deny syscall-mach (with telemetry))
    (allow syscall-mach
        (machtrap-number
            MSC__kernelrpc_mach_port_allocate_trap
            MSC__kernelrpc_mach_port_construct_trap
            MSC__kernelrpc_mach_port_deallocate_trap
            MSC__kernelrpc_mach_port_destruct_trap
            MSC__kernelrpc_mach_port_extract_member_trap
            MSC__kernelrpc_mach_port_guard_trap
            MSC__kernelrpc_mach_port_insert_member_trap
            MSC__kernelrpc_mach_port_insert_right_trap
            MSC__kernelrpc_mach_port_mod_refs_trap
            MSC__kernelrpc_mach_port_request_notification_trap
            MSC__kernelrpc_mach_port_type_trap
            MSC__kernelrpc_mach_port_unguard_trap
            MSC__kernelrpc_mach_vm_allocate_trap
            MSC__kernelrpc_mach_vm_deallocate_trap
            MSC__kernelrpc_mach_vm_map_trap
            MSC__kernelrpc_mach_vm_protect_trap
            MSC__kernelrpc_mach_vm_purgable_control_trap
            MSC_host_create_mach_voucher_trap
            MSC_host_self_trap
            MSC_mach_generate_activity_id
            MSC_mach_msg_trap
            MSC_mach_reply_port
            MSC_mach_timebase_info_trap
            MSC_mach_voucher_extract_attr_recipe_trap
            MSC_mk_timer_arm
            MSC_mk_timer_cancel
            MSC_mk_timer_create
            MSC_mk_timer_destroy
            MSC_semaphore_signal_trap
            MSC_semaphore_wait_trap
            MSC_syscall_thread_switch
            MSC_task_self_trap
            MSC_thread_get_special_reply_port)))

(when (defined? 'mach-kernel-endpoint)
    (allow mach-kernel-endpoint
        (apply-message-filter
            (allow mach-message-send (with report) ))))

#if ENABLE(SYSTEM_CONTENT_PATH_SANDBOX_RULES)
#include <WebKitAdditions/SystemContentSandbox-ios.defs>

(allow file-read* file-test-existence
    (apply subpath file-read-existence-secondary-paths))

(allow file-map-executable
    (apply subpath secondary-framework-and-dylib-paths))

(allow-read-and-issue-generic-extensions
    (apply subpath issue-extension-secondary-paths))
#endif