; -*- Mode: Scheme; tab-width: 4 -*- ; ; Copyright (c) 2007 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. ; 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of its ; contributors may be used to endorse or promote products derived from this ; software without specific prior written permission. ; ; THIS SOFTWARE IS PROVIDED BY APPLE 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 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. ; ; $Log: mDNSResponder.sb,v $ ; Revision 1.38 2009/04/16 16:03:08 mcguire ; abort() causes high CPU usage instead of crash & restart ; ; Revision 1.37 2009/04/02 22:21:17 mcguire ; Adopt IOPM APIs ; ; Revision 1.36 2009/03/02 01:32:20 mcguire ; Seatbelt: Add rule to allow raw sockets ; ; Revision 1.35 2009/02/07 02:51:10 cheshire ; Sleep Proxy: Need to adopt IOPMConnection ; Allow mDNSResponder to access IOPMConnection API ; ; Revision 1.34 2008/11/11 00:55:08 mcguire ; sandbox: need to allow Mach port com.apple.system.DirectoryService.membership_v1 ; ; Revision 1.33 2008/10/24 02:03:30 cheshire ; So we can watch for Internet Sharing changes, allow read access to ; /Library/Preferences/SystemConfiguration/com.apple.nat.plist ; ; Revision 1.32 2008/10/07 23:06:58 mcguire ; Seatbelt: Policy denied Mach service lookup: com.apple.system.logger ; ; Revision 1.31 2008/09/24 23:57:27 mcguire ; need read access to /private/var/db/crls/crlcache.db ; ; Revision 1.30 2008/09/11 22:01:51 mcguire ; re-add accidentally removed log comment ; ; Revision 1.29 2008/09/11 20:46:08 mcguire ; can't write to -Caches- ; ; Revision 1.28 2008/09/11 20:04:14 mcguire ; Instances of \. in regex exprs don't do what is intended ; ; Revision 1.27 2008/07/24 21:18:14 cheshire ; Should use randomized source ports and transaction IDs to avoid DNS cache poisoning ; Need to allow access to /dev/urandom ; ; Revision 1.26 2008/06/03 01:21:12 mcguire ; add /var/db/mds to sb profile ; ; Revision 1.25 2008/03/17 18:04:41 mcguire ; SC now reads preference file ; ; Revision 1.24 2007/09/20 22:33:17 cheshire ; Tidied up inconsistent and error-prone naming -- used to be mDNSResponderHelper in ; some places and mDNSResponder.helper in others; now mDNSResponderHelper everywhere ; ; Revision 1.23 2007/09/04 22:26:18 mcguire ; Seatbelt: mDNSResponder needs to be allowed to access "/Library/Security/Trust Settings/" etc. ; ; Revision 1.22 2007/08/24 22:01:56 mcguire ; BTMM: Task: Change mDNSResponder Seatbelt settings to "deny default" instead of "signal FPE" just prior to GM candidate ; ; Revision 1.21 2007/08/18 01:02:03 mcguire ; No Bonjour services are getting registered at boot ; ; Revision 1.20 2007/08/08 22:34:59 mcguire ; Security: Run mDNSResponder as user id mdnsresponder instead of root ; ; Revision 1.19 2007/07/02 23:37:50 cheshire ; Need to list of allowed mach-lookup operations explicitly in mDNSResponder.sb ; ; Revision 1.18 2007/06/28 20:43:35 cheshire ; Seatbelt: mDNSResponder needs to be able to access /dev/autofs_nowait ; ; Revision 1.17 2007/06/28 20:34:45 cheshire ; Updated comments to reflect new seatbelt language syntax ; ; Revision 1.16 2007/05/29 23:32:46 cheshire ; Rearrange file so SPI warning isn't deleted when CVS history is trimmed from installed copy ; ; Revision 1.15 2007/05/25 22:45:17 jvidrine ; Update mDNSResponder.sb to Seatbelt Profile Language version 1 ; ; Revision 1.14 2007/05/23 17:40:08 cheshire ; Seatbelt killed mDNSResponder trying to read X509Anchors and X509Certificates ; ; Revision 1.13 2007/05/23 01:47:59 cheshire ; Need to list fs_read_data permission explicitly -- ; unlike fs_read/fs_write, fs_read_data does NOT automatically inherit from fs_write_data ; ; Revision 1.12 2007/05/21 23:52:27 cheshire ; Seatbelt killed mDNSResponder generating Module Directory Services cache ; ; Revision 1.11 2007/05/20 16:29:06 cheshire ; Seatbelt killed mDNSResponder trying to access /usr/share/icu/icudt36l.dat ; ; Revision 1.10 2007/05/15 00:21:39 cheshire ; Seatbelt killed mDNSResponder reading /private/var/root/Library/Preferences/com.apple.security.plist ; ; Revision 1.9 2007/05/14 22:08:26 cheshire ; Seatbelt: Need to escape literal dots in filename patterns ; ; Revision 1.8 2007/05/14 19:39:31 cheshire ; Seatbelt killed mDNSResponder in CFTimeZoneCopyDefault ; Seatbelt killed mDNSResponder in SecKeychainOpen ; ; Revision 1.7 2007/05/12 01:57:56 cheshire ; Seatbelt: mDNSResponder needs to be able to access preferences.plist-lock ; ; Revision 1.6 2007/05/10 21:12:14 cheshire ; Start using "debug deny" mode in Seatbelt ; ; Revision 1.5 2007/05/10 19:41:25 cheshire ; Have to use "deny mach_lookup_default" because "signal" doesn't work ; ; Revision 1.4 2007/04/27 20:46:31 cheshire ; Additional requirements: allow mDNSResponder to read /dev/random and /System/Library/Keychains/System.* ; ; Revision 1.3 2007/04/20 19:42:14 cheshire ; Condense rules a bit to bring file under Seatbelt's 4K limit ; ; Revision 1.2 2007/04/19 01:47:49 cheshire ; Refinements to sandbox profile, e.g. allow writing to /dev/console early in the boot process ; ; Revision 1.1 2007/04/18 00:50:47 cheshire ; Sandbox mDNSResponder ; ;############################################################################ ; WARNING! SEATBELT CURRENTLY CAN'T HANDLE PROFILES LARGER THAN 16K ; MAKE SURE THE SIZE OF THIS FILE FROM "version" TO THE END DOESN'T EXCEED 16K (version 1) ; WARNING: The sandbox rule capabilities and syntax used in this file are currently an ; Apple SPI (System Private Interface) and are subject to change at any time without notice. ; Apple may in future announce an official public supported sandbox API, but until then Developers ; are cautioned not to build products that use or depend on the sandbox facilities illustrated here. ; Use "debug all" to log all operations examined by seatbelt, whether allowed or not. ; Use "debug deny" to log only operations that are denied by seatbelt ; to discover what specific attempted operation is causing an exception. ;(debug all) (debug deny) ; To help debugging, "with send-signal SIGFPE" will trigger a fake floating-point exception, ; which will crash the process and show the call stack leading to the offending operation. ; For the shipping version "deny" is probably better because it vetoes the operation ; without killing the process. (deny default) ;(deny default (with send-signal SIGFPE)) ; Special exception: "send-signal" command does not apply to the mach-* operations, ; so for those we have to use a plain unadorned "deny" instead ; (which means we may not get any notification of unintentional mach-* denials) (deny mach-lookup) (deny mach-priv-host-port) ; Mach communications ; These are needed for things like getpwnam, hostname changes, & keychain (allow mach-lookup (global-name "com.apple.bsd.dirhelper" "com.apple.distributed_notifications.2" "com.apple.ocspd" "com.apple.PowerManagement.control" "com.apple.mDNSResponderHelper" "com.apple.SecurityServer" "com.apple.SystemConfiguration.configd" "com.apple.system.DirectoryService.libinfo_v1" "com.apple.system.DirectoryService.membership_v1" "com.apple.system.notification_center" "com.apple.system.logger")) ; Rules to allow the operations mDNSResponder needs start here (allow signal (target self)) (allow network*) ; Allow networking, including Unix Domain Sockets (if (defined? 'system-socket) (allow system-socket)) ; To create raw sockets (allow sysctl-read) ; To get hardware model information (allow file-read-metadata) ; Needed for dyld to work (allow ipc-posix-shm) ; Needed for POSIX shared memory (allow file-read-data (regex #"^/dev/random$")) (allow file-read-data file-write-data (regex #"^/dev/console$")) ; Needed for syslog early in the boot process (allow file-read-data (regex #"^/dev/autofs_nowait$")) ; Used by CF to circumvent automount triggers ; Allow us to read and write our socket (allow file-read* file-write* (regex #"^/private/var/run/mDNSResponder$")) ; Allow us to read system version, settings, and other miscellaneous necessary file system accesses (allow file-read-data (regex #"^/dev/urandom$")) (allow file-read-data (regex #"^/usr/sbin(/mDNSResponder)?$")) ; Needed for CFCopyVersionDictionary() (allow file-read-data (regex #"^/usr/share/icu/.*$")) (allow file-read-data (regex #"^/usr/share/zoneinfo/.*$")) (allow file-read-data (regex #"^/Library/Preferences/SystemConfiguration/preferences\.plist$")) (allow file-read-data (regex #"^/Library/Preferences/SystemConfiguration/com\.apple\.nat\.plist$")) (allow file-read-data (regex #"^/Library/Preferences/(ByHost/)?\.GlobalPreferences.*\.plist$")) (allow file-read-data (regex #"^/Library/Preferences/com\.apple\.security.*\.plist$")) (allow file-read-data (regex #"^/Library/Preferences/com\.apple\.crypto\.plist$")) (allow file-read-data (regex #"^/Library/Security/Trust Settings/Admin\.plist$")) (allow file-read-data (regex #"^/System/Library/CoreServices/SystemVersion.*$")) (allow file-read-data (regex #"^/System/Library/Preferences/com\.apple\.security.*\.plist$")) (allow file-read-data (regex #"^/System/Library/Preferences/com\.apple\.crypto\.plist$")) (allow file-read-data (regex #"^/System/Library/SystemConfiguration/PowerManagement\.bundle(/|$)")) (allow file-read-data (regex #"^/Library/Preferences/SystemConfiguration/com\.apple\.PowerManagement\.plist$")) ; Allow access to System Keychain (allow file-read-data (regex #"^/System/Library/Security$")) (allow file-read-data (regex #"^/System/Library/Keychains/.*$")) (allow file-read-data (regex #"^/Library/Keychains/System\.keychain$")) ; Our Module Directory Services cache (allow file-read-data (regex #"^/private/var/tmp/mds/")) (allow file-read* file-write* (regex #"^/private/var/tmp/mds/[0-9]+(/|$)")) (allow file-read-data (regex #"^/private/var/db/mds/")) (allow file-read* file-write* (regex #"^/private/var/db/mds/[0-9]+(/|$)")) (allow file-read* file-write* (regex #"^/private/var/folders/[^/]+/[^/]+/-Caches-/mds(/|$)")) ; CRL Cache for SSL/TLS connections (allow file-read-data (regex #"^/private/var/db/crls/crlcache\.db$"))