WebKit2/WebProcess/com.apple.WebProcess.sb

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

(import "system.sb")

;; Read-only preferences and data
(allow file-read*
   ;; Basic system paths
   (subpath "/Library/Fonts")
   (subpath "/Library/Frameworks")
   (subpath "/Library/Keychains")
   (subpath "/private/var/db/mds")
   (regex #"^/private/etc/(hosts|group|passwd)$")

   ;; Plugins
   (subpath "/Library/Internet Plug-Ins")
   (subpath (string-append (param "_HOME") "/Library/Internet Plug-Ins"))

   ;; System and user preferences
   (literal "/Library/Preferences/.GlobalPreferences.plist")
   (literal "/Library/Preferences/com.apple.security.plist")
   (literal (string-append (param "_HOME") "/Library/Preferences/.GlobalPreferences.plist"))
   (regex (string-append "^" (param "_HOME") "/Library/Preferences/ByHost/\.GlobalPreferences\."))
   (literal (string-append (param "_HOME") "/Library/Preferences/com.apple.ATS.plist"))
   (literal (string-append (param "_HOME") "/Library/Preferences/com.apple.HIToolbox.plist"))
   (literal (string-append (param "_HOME") "/Library/Preferences/com.apple.LaunchServices.plist"))
   (literal (string-append (param "_HOME") "/Library/Preferences/com.apple.WebFoundation.plist"))
   (literal (string-append (param "_HOME") "/Library/Preferences/com.apple.security.plist"))
   (literal (string-append (param "_HOME") "/Library/Preferences/com.apple.security.revocation.plist"))
   (subpath (string-append (param "_HOME") "/Library/Keychains"))

   ;; On-disk WebKit2 framework location, to account for debug installations
   ;; outside of /System/Library/Frameworks
   (subpath (param "WEBKIT2_FRAMEWORK_DIR"))

   ;; Extensions from UIProcess
   (extension)
)

(allow file-write*
   ;; Extensions from UIProcess
   (extension)
)

;; Writable preferences and temporary files
(allow file*
   (subpath (string-append (param "_HOME") "/Library/Caches/com.apple.WebProcess"))
   (regex (string-append "^" (param "_HOME") "/Library/Preferences/ByHost/com\.apple\.HIToolbox\."))
   (regex (string-append "^" (param "_HOME") "/Library/Preferences/com\.apple\.WebProcess\."))
)

;; Darwin temporary files and caches, if present
(if (positive? (string-length (param "DARWIN_USER_CACHE_DIR")))
    (allow file* (subpath (param "DARWIN_USER_CACHE_DIR"))))
(if (positive? (string-length (param "DARWIN_USER_TEMP_DIR")))
    (allow file* (subpath (param "DARWIN_USER_TEMP_DIR"))))

;; The NSURLCache directory.
(if (positive? (string-length (param "NSURL_CACHE_DIR")))
    (allow file* (subpath (param "NSURL_CACHE_DIR"))))

;; The bundle resource path of the UI process.
(if (positive? (string-length (param "UI_PROCESS_BUNDLE_RESOURCE_DIR")))
    (allow file-read* (subpath (param "UI_PROCESS_BUNDLE_RESOURCE_DIR"))))

;; FIXME: overly permissive since we can't pre-enumerate the client
;; classes for graphics cards
(allow iokit-open
   ;;(iokit-user-client-class "IOHIDParamUserClient")
   ;;(iokit-user-client-class "RootDomainUserClient")
)

;; Various services required by AppKit and other frameworks
(allow mach-lookup
   (global-name "com.apple.CoreServices.coreservicesd")
   (global-name "com.apple.DiskArbitration.diskarbitrationd")
   (global-name "com.apple.FileCoordination")
   (global-name "com.apple.FontObjectsServer")
   (global-name "com.apple.FontServer")
   (global-name "com.apple.SecurityServer")
   (global-name "com.apple.SystemConfiguration.configd")
   (global-name "com.apple.audio.VDCAssistant")
   (global-name "com.apple.audio.audiohald")
   (global-name "com.apple.audio.coreaudiod")
   (global-name "com.apple.cookied")
   (global-name "com.apple.cvmsServ")
   (global-name "com.apple.distributed_notifications.2")
   (global-name "com.apple.dock.server")
   (global-name "com.apple.ocspd")
   (global-name "com.apple.pasteboard.1")
   (global-name "com.apple.window_proxies")
   (global-name "com.apple.windowserver.active")
   (global-name-regex #"^com\.apple\.WebKit\.WebProcess-")
   (global-name-regex #"^com\.apple\.qtkitserver\.")
)

;; FIXME: These rules are required until <rdar://problem/8448410> is addressed. See <rdar://problem/8349882> for discussion.
(allow network-outbound)
(deny network-outbound (regex ""))
(deny network-outbound (local ip))
(allow network-outbound
   ;; Local mDNSResponder for DNS, arbitrary outbound TCP
   (literal "/private/var/run/mDNSResponder")
   (remote tcp)
)

;; FIXME: These rules are required until plug-ins are moved out of the web process.
(allow file-read*
   (regex (string-append "^" (param "_HOME") "/Library/Preferences/ByHost/com\.apple\.ist\."))
   (literal (string-append (param "_HOME") "/Library/Preferences/edu.mit.Kerberos"))
   (literal "/Library/Preferences/edu.mit.Kerberos")
)

(allow mach-lookup
   (global-name "org.h5l.kcm")
   (global-name "com.apple.tsm.uiserver")
   (global-name-regex #"^com\.apple\.ist")
)

(allow network-outbound (remote ip))

;; These rules are required while QTKitServer is being launched directly via posix_spawn (<rdar://problem/6912494>).
(allow process-fork)
(allow process-exec (literal "/System/Library/Frameworks/QTKit.framework/Versions/A/Resources/QTKitServer") (with no-sandbox))

;; FIXME: Investigate these.
(allow appleevent-send (appleevent-destination "com.apple.WebProcess"))
(allow mach-lookup (global-name-regex #"^EPPC-"))