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Diffstat (limited to 'security/sandbox/mac/SandboxPolicyContent.h')
| -rw-r--r-- | security/sandbox/mac/SandboxPolicyContent.h | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/security/sandbox/mac/SandboxPolicyContent.h b/security/sandbox/mac/SandboxPolicyContent.h new file mode 100644 index 0000000000..601b4bdc12 --- /dev/null +++ b/security/sandbox/mac/SandboxPolicyContent.h @@ -0,0 +1,399 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_SandboxPolicyContent_h +#define mozilla_SandboxPolicyContent_h + +#define MAX_CONTENT_TESTING_READ_PATHS 4 + +namespace mozilla { + +static const char SandboxPolicyContent[] = R"SANDBOX_LITERAL( + (version 1) + + (define should-log (param "SHOULD_LOG")) + (define sandbox-level-1 (param "SANDBOX_LEVEL_1")) + (define sandbox-level-2 (param "SANDBOX_LEVEL_2")) + (define sandbox-level-3 (param "SANDBOX_LEVEL_3")) + (define macosVersion (string->number (param "MAC_OS_VERSION"))) + (define appPath (param "APP_PATH")) + (define hasProfileDir (param "HAS_SANDBOXED_PROFILE")) + (define profileDir (param "PROFILE_DIR")) + (define hasWindowServer (param "HAS_WINDOW_SERVER")) + (define home-path (param "HOME_PATH")) + (define debugWriteDir (param "DEBUG_WRITE_DIR")) + (define userCacheDir (param "DARWIN_USER_CACHE_DIR")) + (define testingReadPath1 (param "TESTING_READ_PATH1")) + (define testingReadPath2 (param "TESTING_READ_PATH2")) + (define testingReadPath3 (param "TESTING_READ_PATH3")) + (define testingReadPath4 (param "TESTING_READ_PATH4")) + (define crashPort (param "CRASH_PORT")) + (define isRosettaTranslated (param "IS_ROSETTA_TRANSLATED")) + + (define (moz-deny feature) + (if (string=? should-log "TRUE") + (deny feature) + (deny feature (with no-log)))) + + (moz-deny default) + ; These are not included in (deny default) + (moz-deny process-info*) + ; This isn't available in some older macOS releases. + (if (defined? 'nvram*) + (moz-deny nvram*)) + ; The next two properties both require macOS 10.10+ + (if (defined? 'iokit-get-properties) + (moz-deny iokit-get-properties)) + (if (defined? 'file-map-executable) + (moz-deny file-map-executable)) + + (if (string=? should-log "TRUE") + (debug deny)) + + (if (defined? 'file-map-executable) + (begin + (if (string=? isRosettaTranslated "TRUE") + (allow file-map-executable (subpath "/private/var/db/oah"))) + (allow file-map-executable file-read* + (subpath "/System") + (subpath "/usr/lib") + (subpath "/Library/GPUBundles") + (subpath appPath))) + (allow file-read* + (subpath "/System") + (subpath "/usr/lib") + (subpath "/Library/GPUBundles") + (subpath appPath))) + + ; Allow read access to standard system paths. + (allow file-read* + (require-all (file-mode #o0004) + (require-any + (subpath "/Library/Filesystems/NetFSPlugins") + (subpath "/usr/share")))) + + ; For stat and symlink resolution + (allow file-read-metadata (subpath "/")) + + ; Timezone + (allow file-read* + (subpath "/private/var/db/timezone") + (subpath "/usr/share/zoneinfo") + (subpath "/usr/share/zoneinfo.default") + (literal "/private/etc/localtime")) + + ; Allow read access to standard special files. + (allow file-read* + (literal "/dev/autofs_nowait") + (literal "/dev/random") + (literal "/dev/urandom")) + + (allow file-read* + file-write-data + (literal "/dev/null") + (literal "/dev/zero")) + + (allow file-read* + file-write-data + file-ioctl + (literal "/dev/dtracehelper")) + + ; Needed for things like getpriority()/setpriority() + (allow process-info-pidinfo process-info-setcontrol (target self)) + + (allow sysctl-read + (sysctl-name-regex #"^sysctl\.") + (sysctl-name "kern.ostype") + (sysctl-name "kern.osversion") + (sysctl-name "kern.osrelease") + (sysctl-name "kern.version") + (sysctl-name "kern.tcsm_available") + (sysctl-name "kern.tcsm_enable") + ; TODO: remove "kern.hostname". Without it the tests hang, but the hostname + ; is arguably sensitive information, so we should see what can be done about + ; removing it. + (sysctl-name "kern.hostname") + (sysctl-name "hw.machine") + (sysctl-name "hw.memsize") + (sysctl-name "hw.model") + (sysctl-name "hw.ncpu") + (sysctl-name "hw.activecpu") + (sysctl-name "hw.byteorder") + (sysctl-name "hw.pagesize_compat") + (sysctl-name "hw.logicalcpu") + (sysctl-name "hw.logicalcpu_max") + (sysctl-name "hw.physicalcpu_max") + (sysctl-name "hw.busfrequency_compat") + (sysctl-name "hw.busfrequency_max") + (sysctl-name "hw.cpufrequency") + (sysctl-name "hw.cpufrequency_compat") + (sysctl-name "hw.cpufrequency_max") + (sysctl-name "hw.l2cachesize") + (sysctl-name "hw.l3cachesize") + (sysctl-name "hw.cachelinesize") + (sysctl-name "hw.cachelinesize_compat") + (sysctl-name "hw.tbfrequency_compat") + (sysctl-name "hw.vectorunit") + (sysctl-name "hw.optional.sse2") + (sysctl-name "hw.optional.sse3") + (sysctl-name "hw.optional.sse4_1") + (sysctl-name "hw.optional.sse4_2") + (sysctl-name "hw.optional.avx1_0") + (sysctl-name "hw.optional.avx2_0") + (sysctl-name "hw.optional.avx512f") + (sysctl-name "machdep.cpu.vendor") + (sysctl-name "machdep.cpu.family") + (sysctl-name "machdep.cpu.model") + (sysctl-name "machdep.cpu.stepping") + (sysctl-name "debug.intel.gstLevelGST") + (sysctl-name "debug.intel.gstLoaderControl")) + (allow sysctl-write + (sysctl-name "kern.tcsm_enable")) + + (define (home-regex home-relative-regex) + (regex (string-append "^" (regex-quote home-path) home-relative-regex))) + (define (home-subpath home-relative-subpath) + (subpath (string-append home-path home-relative-subpath))) + (define (home-literal home-relative-literal) + (literal (string-append home-path home-relative-literal))) + + (define (profile-subpath profile-relative-subpath) + (subpath (string-append profileDir profile-relative-subpath))) + + (define (allow-shared-list domain) + (allow file-read* + (home-regex (string-append "/Library/Preferences/" (regex-quote domain))))) + + (allow ipc-posix-shm-read-data ipc-posix-shm-write-data + (ipc-posix-name-regex #"^CFPBS:")) + + (allow signal (target self)) + (if (string? crashPort) + (allow mach-lookup (global-name crashPort))) + (if (string=? hasWindowServer "TRUE") + (allow mach-lookup (global-name "com.apple.windowserver.active"))) + (allow mach-lookup + (global-name "com.apple.system.opendirectoryd.libinfo") + (global-name "com.apple.CoreServices.coreservicesd") + (global-name "com.apple.coreservices.launchservicesd") + (global-name "com.apple.lsd.mapdb")) + + (if (>= macosVersion 1013) + (allow mach-lookup + ; bug 1392988 + (xpc-service-name "com.apple.coremedia.videodecoder") + (xpc-service-name "com.apple.coremedia.videoencoder"))) + + (if (>= macosVersion 1100) + (allow mach-lookup + ; bug 1655655 + (global-name "com.apple.trustd.agent"))) + + (allow iokit-open + (iokit-user-client-class "IOHIDParamUserClient")) + + ; Only supported on macOS 10.10+ + (if (defined? 'iokit-get-properties) + (allow iokit-get-properties + (iokit-property "board-id") + (iokit-property "class-code") + (iokit-property "vendor-id") + (iokit-property "device-id") + (iokit-property "IODVDBundleName") + (iokit-property "IOGLBundleName") + (iokit-property "IOGVACodec") + (iokit-property "IOGVAHEVCDecode") + (iokit-property "IOGVAHEVCEncode") + (iokit-property "IOGVAXDecode") + (iokit-property "IOPCITunnelled") + (iokit-property "IOVARendererID") + (iokit-property "MetalPluginName") + (iokit-property "MetalPluginClassName"))) + + ; depending on systems, the 1st, 2nd or both rules are necessary + (allow user-preference-read (preference-domain "com.apple.HIToolbox")) + (allow file-read-data (literal "/Library/Preferences/com.apple.HIToolbox.plist")) + + (allow user-preference-read (preference-domain "com.apple.ATS")) + + ; Needed for some global preferences (such as scrolling behavior) + (allow file-read-data + (literal "/Library/Preferences/.GlobalPreferences.plist") + (home-literal "/Library/Preferences/.GlobalPreferences.plist") + (home-regex #"/Library/Preferences/ByHost/\.GlobalPreferences.*") + (home-literal "/Library/Preferences/com.apple.universalaccess.plist")) + (allow mach-lookup + (global-name "com.apple.cfprefsd.agent") + (global-name "com.apple.cfprefsd.daemon")) + (allow ipc-posix-shm-read-data + (ipc-posix-name-regex #"^apple\.cfprefs\..*")) + + (allow file-read* + (subpath "/Library/ColorSync/Profiles") + (subpath "/Library/Spelling") + (literal "/") + (literal "/private/tmp") + (literal "/private/var/tmp") + (home-literal "/.CFUserTextEncoding") + (home-literal "/Library/Preferences/com.apple.DownloadAssessment.plist") + (home-subpath "/Library/Colors") + (home-subpath "/Library/ColorSync/Profiles") + (home-subpath "/Library/Keyboard Layouts") + (home-subpath "/Library/Input Methods") + (home-subpath "/Library/Spelling")) + + (if (defined? 'file-map-executable) + (begin + (when testingReadPath1 + (allow file-read* file-map-executable (subpath testingReadPath1))) + (when testingReadPath2 + (allow file-read* file-map-executable (subpath testingReadPath2))) + (when testingReadPath3 + (allow file-read* file-map-executable (subpath testingReadPath3))) + (when testingReadPath4 + (allow file-read* file-map-executable (subpath testingReadPath4)))) + (begin + (when testingReadPath1 + (allow file-read* (subpath testingReadPath1))) + (when testingReadPath2 + (allow file-read* (subpath testingReadPath2))) + (when testingReadPath3 + (allow file-read* (subpath testingReadPath3))) + (when testingReadPath4 + (allow file-read* (subpath testingReadPath4))))) + + ; bug 1692220 + (when userCacheDir + (allow file-read* + (subpath (string-append userCacheDir "/com.apple.FontRegistry")))) + + ; bug 1303987 + (if (string? debugWriteDir) + (begin + (allow file-write-data (subpath debugWriteDir)) + (allow file-write-create + (require-all + (subpath debugWriteDir) + (vnode-type REGULAR-FILE))))) + + (allow-shared-list "org.mozilla.plugincontainer") + +; Per-user and system-wide Extensions dir + (allow file-read* + (home-regex "/Library/Application Support/[^/]+/Extensions/") + (regex "^/Library/Application Support/[^/]+/Extensions/")) + +; The following rules impose file access restrictions which get +; more restrictive in higher levels. When file-origin-specific +; content processes are used for file:// origin browsing, the +; global file-read* permission should be removed from each level. + +; level 1: global read access permitted, no global write access + (if (string=? sandbox-level-1 "TRUE") (allow file-read*)) + +; level 2: global read access permitted, no global write access, +; no read/write access to ~/Library, +; no read/write access to $PROFILE, +; read access permitted to $PROFILE/{extensions,chrome} + (if (string=? sandbox-level-2 "TRUE") + (begin + ; bug 1201935 + (allow file-read* (home-subpath "/Library/Caches/TemporaryItems")) + (if (string=? hasProfileDir "TRUE") + ; we have a profile dir + (allow file-read* (require-all + (require-not (home-subpath "/Library")) + (require-not (subpath profileDir)))) + ; we don't have a profile dir + (allow file-read* (require-not (home-subpath "/Library")))))) + + ; level 3: Does not have any of it's own rules. The global rules provide: + ; no global read/write access, + ; read access permitted to $PROFILE/{extensions,chrome} + + (if (string=? hasProfileDir "TRUE") + ; we have a profile dir + (allow file-read* + (profile-subpath "/extensions") + (profile-subpath "/chrome"))) + +; accelerated graphics + (allow user-preference-read (preference-domain "com.apple.opengl")) + (allow user-preference-read (preference-domain "com.nvidia.OpenGL")) + (allow mach-lookup + (global-name "com.apple.cvmsServ")) + (if (>= macosVersion 1014) + (allow mach-lookup + (global-name "com.apple.MTLCompilerService"))) + (allow iokit-open + (iokit-connection "IOAccelerator") + (iokit-user-client-class "IOAccelerationUserClient") + (iokit-user-client-class "IOSurfaceRootUserClient") + (iokit-user-client-class "IOSurfaceSendRight") + (iokit-user-client-class "IOFramebufferSharedUserClient") + (iokit-user-client-class "AGPMClient") + (iokit-user-client-class "AppleGraphicsControlClient")) + +; bug 1153809 + (allow iokit-open + (iokit-user-client-class "NVDVDContextTesla") + (iokit-user-client-class "Gen6DVDContext")) + + ; Fonts + (allow file-read* + (subpath "/Library/Fonts") + (subpath "/Library/Application Support/Apple/Fonts") + (home-subpath "/Library/Fonts") + ; Allow read access to paths allowed via sandbox extensions. + ; This is needed for fonts in non-standard locations normally + ; due to third party font managers. The extensions are + ; automatically issued by the font server in response to font + ; API calls. + (extension "com.apple.app-sandbox.read")) + ; Fonts may continue to work without explicitly allowing these + ; services because, at present, connections are made to the services + ; before the sandbox is enabled as a side-effect of some API calls. + (allow mach-lookup + (global-name "com.apple.fonts") + (global-name "com.apple.FontObjectsServer")) + + (if (>= macosVersion 1013) + (allow mach-lookup + ; bug 1565575 + (global-name "com.apple.audio.AudioComponentRegistrar"))) +)SANDBOX_LITERAL"; + +// These are additional rules that are added to the content process rules for +// file content processes. +static const char SandboxPolicyContentFileAddend[] = R"SANDBOX_LITERAL( + ; This process has blanket file read privileges + (allow file-read*) + + ; File content processes need access to iconservices to draw file icons in + ; directory listings + (allow mach-lookup (global-name "com.apple.iconservices")) +)SANDBOX_LITERAL"; + +// These are additional rules that are added to the content process rules when +// audio remoting is not enabled. (Once audio remoting is always used these +// will be deleted.) +static const char SandboxPolicyContentAudioAddend[] = R"SANDBOX_LITERAL( + (allow ipc-posix-shm-read* ipc-posix-shm-write-data + (ipc-posix-name-regex #"^AudioIO")) + + (allow mach-lookup + (global-name "com.apple.audio.coreaudiod") + (global-name "com.apple.audio.audiohald")) + + (allow iokit-open (iokit-user-client-class "IOAudioEngineUserClient")) + + (allow file-read* (subpath "/Library/Audio/Plug-Ins")) + + (allow device-microphone) +)SANDBOX_LITERAL"; + +} // namespace mozilla + +#endif // mozilla_SandboxPolicyContent_h |