| ; Copyright (C) 2021 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") |
| |
| (define (allow-read-write-directory-contents path) |
| (if path |
| (begin |
| (allow file-read* (subpath path)) |
| (allow file-read* file-write* |
| (regex (string-append "^" (regex-quote path) "/"))) |
| (allow file-write-create |
| file-write-data |
| (require-all (vnode-type DIRECTORY) (literal path)))))) |
| |
| (define (allow-read-directory-and-issue-read-extensions path) |
| (if path |
| (begin |
| (allow file-read* (subpath path)) |
| (allow file-issue-extension (require-all (extension-class "com.apple.app-sandbox.read") (subpath path)))))) |
| |
| ;; 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))) |
| |
| (allow file-read* file-write* (home-subpath "/var/mobile/Library/com.apple.webkit.addattributiond/Version1")) |
| |
| (allow-read-write-directory-contents (param "DARWIN_USER_CACHE_DIR")) |
| (allow-read-write-directory-contents (param "DARWIN_USER_TEMP_DIR")) |
| |
| (allow-read-directory-and-issue-read-extensions (param "FRAMEWORKS_DIR")) |
| |
| ;; AWD |
| (allow mach-lookup |
| (global-name |
| "com.apple.analyticsd" |
| "com.apple.awdd")) |
| |
| ;; Various services required by CFNetwork and other frameworks |
| (allow mach-lookup |
| (global-name |
| "com.apple.usymptomsd" |
| "com.apple.cookied" |
| "com.apple.distributed_notifications@Uv3" |
| "com.apple.CoreServices.coreservicesd" |
| "com.apple.lsd.mapdb" |
| "com.apple.lsd.modifydb")) |
| |
| ;; Security framework |
| (allow mach-lookup (global-name "com.apple.SecurityServer") |
| (global-name "com.apple.ocspd")) |
| (allow file-read* |
| (subpath "/Library/Keychains") |
| (subpath "/private/var/db/mds") |
| (literal "/Library/Preferences/com.apple.security.plist") |
| (home-literal "/Library/Preferences/com.apple.security.plist")) |
| |
| (allow file-read* (subpath "/usr/share/zoneinfo")) |
| |
| (allow file-read* (literal "/Library/Application Support/CrashReporter/SubmitDiagInfo.domains")) |
| |
| (allow ipc-posix-shm-read-data |
| (ipc-posix-name "com.apple.AppleDatabaseChanged")) |
| (allow ipc-posix-shm-write-data |
| (ipc-posix-name "com.apple.AppleDatabaseChanged")) |
| |
| ;; Read-only preferences and data |
| (allow file-read* |
| ;; Basic system paths |
| (subpath "/Library/Managed Preferences") |
| |
| ;; System and user preferences |
| (literal "/Library/Preferences/.GlobalPreferences.plist") |
| (home-literal "/Library/Preferences/.GlobalPreferences.plist") |
| (home-regex #"/Library/Preferences/ByHost/\.GlobalPreferences\.")) |
| |
| (allow system-fsctl (fsctl-command (_IO "h" 47))) |
| |
| (system-network) |
| (allow network-outbound |
| ;; Local mDNSResponder for DNS, arbitrary outbound TCP |
| (literal "/private/var/run/mDNSResponder") |
| (remote tcp)) |
| |
| ;; Needed for CFNetworkAgent, see 33386291 |
| (allow mach-lookup |
| (global-name "com.apple.cfnetwork.cfnetworkagent")) |