com.apple.WebKit.NetworkProcess.sb.in [plain text]
; Copyright (C) 2013, 2014 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 "system.sb")
;; Utility functions for home directory relative path filters
(define (home-regex home-relative-regex)
(regex (string-append "^" (regex-quote (param "HOME_DIR")) home-relative-regex)))
(define (home-subpath home-relative-subpath)
(subpath (string-append (param "HOME_DIR") home-relative-subpath)))
(define (home-literal home-relative-literal)
(literal (string-append (param "HOME_DIR") home-relative-literal)))
;; Read-only preferences and data
(allow file-read*
;; Basic system paths
(subpath "/Library/Frameworks")
(subpath "/Library/Managed Preferences")
;; System and user preferences
(literal "/Library/Preferences/.GlobalPreferences.plist")
(regex #"^/Library/Managed Preferences/[^/]+/com\.apple\.networkConnect\.plist$")
(home-literal "/Library/Preferences/.GlobalPreferences.plist")
(home-regex #"/Library/Preferences/ByHost/\.GlobalPreferences\.")
(home-regex #"/Library/Preferences/ByHost/com\.apple\.networkConnect\.")
(home-literal "/Library/Preferences/com.apple.DownloadAssessment.plist")
(home-literal "/Library/Preferences/com.apple.WebFoundation.plist")
;; On-disk WebKit2 framework location, to account for debug installations
;; outside of /System/Library/Frameworks
(subpath (param "WEBKIT2_FRAMEWORK_DIR")))
;; Sandbox extensions
(define (apply-read-and-issue-extension op path-filter)
(op file-read* path-filter)
(op file-issue-extension (require-all (extension-class "com.apple.app-sandbox.read") path-filter)))
(define (apply-write-and-issue-extension op path-filter)
(op file-write* path-filter)
(op file-issue-extension (require-all (extension-class "com.apple.app-sandbox.read-write") path-filter)))
(define (read-only-and-issue-extensions path-filter)
(apply-read-and-issue-extension allow path-filter))
(define (read-write-and-issue-extensions path-filter)
(apply-read-and-issue-extension allow path-filter)
(apply-write-and-issue-extension allow path-filter))
(read-only-and-issue-extensions (extension "com.apple.app-sandbox.read"))
(read-write-and-issue-extensions (extension "com.apple.app-sandbox.read-write"))
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1080
(allow file-read* file-write* (subpath (param "DARWIN_USER_CACHE_DIR")))
#else
(allow file-read* file-write* (subpath (string-append (param "DARWIN_USER_CACHE_DIR") "/mds")))
#endif
(allow file-read* file-write* (subpath (param "DARWIN_USER_TEMP_DIR")))
;; IOKit user clients
(allow iokit-open
(iokit-user-client-class "RootDomainUserClient"))
;; cookied.
;; FIXME: Update for <rdar://problem/13642852>.
(allow ipc-posix-shm-read-data
(ipc-posix-name "FNetwork.defaultStorageSession")
(ipc-posix-name-regex #"\.PrivateBrowsing-")
(ipc-posix-name-regex #"^Private WebKit Session-"))
;; Various services required by CFNetwork and other frameworks
(allow mach-lookup
(global-name "com.apple.FileCoordination")
(global-name "com.apple.PowerManagement.control")
(global-name "com.apple.SystemConfiguration.configd")
(global-name "com.apple.cookied")
(global-name "com.apple.cfnetwork.AuthBrokerAgent"))
;; Security framework
(allow mach-lookup
(global-name "com.apple.ocspd")
(global-name "com.apple.SecurityServer"))
(allow file-read* file-write* (home-subpath "/Library/Keychains")) ;; FIXME: This should be removed when <rdar://problem/10479685> is fixed.
(allow file-read* file-write* (subpath "/private/var/db/mds/system")) ;; FIXME: This should be removed when <rdar://problem/9538414> is fixed.
(allow file-read*
(subpath "/Library/Keychains")
(subpath "/private/var/db/mds")
(literal "/private/var/db/DetachedSignatures")
(literal "/Library/Preferences/com.apple.crypto.plist")
(literal "/Library/Preferences/com.apple.security.plist")
(literal "/Library/Preferences/com.apple.security.common.plist")
(literal "/Library/Preferences/com.apple.security.revocation.plist")
(home-literal "/Library/Application Support/SyncServices/Local/ClientsWithChanges/com.apple.Keychain")
(home-literal "/Library/Preferences/com.apple.security.plist")
(home-literal "/Library/Preferences/com.apple.security.revocation.plist"))
(allow ipc-posix-shm-read* ipc-posix-shm-write-data
(ipc-posix-name "com.apple.AppleDatabaseChanged"))
(system-network)
(allow network-outbound
;; Local mDNSResponder for DNS, arbitrary outbound TCP
(literal "/private/var/run/mDNSResponder")
(remote tcp))
;; FIXME should be removed when <rdar://problem/9347205> + related radar in Safari is fixed
(allow mach-lookup
(global-name "org.h5l.kcm")
(global-name "com.apple.GSSCred")
(global-name "com.apple.system.logger")
(global-name "com.apple.system.notification_center"))
(allow network-outbound
(remote udp))
(allow file-read*
(home-subpath "/Library/Preferences/com.apple.Kerberos.plist")
(home-subpath "/Library/Preferences/com.apple.GSS.plist")
(home-subpath "/Library/Preferences/edu.mit.Kerberos")
(literal "/Library/Preferences/com.apple.Kerberos.plist")
(literal "/Library/Preferences/com.apple.GSS.plist")
(literal "/Library/Preferences/edu.mit.Kerberos")
(literal "/private/etc/krb5.conf")
(literal "/private/etc/services")
(literal "/private/etc/host"))
(if (defined? 'vnode-type)
(deny file-write-create (vnode-type SYMLINK)))
;; FIXME: Should be removed once <rdar://problem/16329087> is fixed.
(deny file-write-xattr (xattr "com.apple.quarantine") (with no-log))
;; Reserve a namespace for additional protected extended attributes.
#if __MAC_OS_X_VERSION_MIN_REQUIRED > 1090
(deny file-read-xattr file-write-xattr (xattr-regex #"^com\.apple\.security\.private\."))
#else
(deny file-read-xattr file-write-xattr (xattr #"^com\.apple\.security\.private\."))
#endif
(deny file-read* file-write* (with no-log)
#if __MAC_OS_X_VERSION_MIN_REQUIRED <= 1080
(home-literal "/Library/Caches/Cache.db") ;; <rdar://problem/9422957>
#endif
;; FIXME: Should be removed after <rdar://problem/10463881> is fixed.
(home-literal "/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV2")
(home-literal "/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV2-journal"))