mirror of
https://github.com/mozilla/gecko-dev.git
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eee896973f
MozReview-Commit-ID: BmBNuSlsyBH --HG-- extra : rebase_source : 366c8bcffc80b83b348462e13c4893e4854cf389
394 lines
14 KiB
C++
394 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_SandboxPolicies_h
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#define mozilla_SandboxPolicies_h
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namespace mozilla {
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static const char pluginSandboxRules[] = R"(
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(version 1)
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(define should-log (param "SHOULD_LOG"))
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(define plugin-binary-path (param "PLUGIN_BINARY_PATH"))
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(define app-path (param "APP_PATH"))
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(define app-binary-path (param "APP_BINARY_PATH"))
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(if (string=? should-log "TRUE")
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(deny default)
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(deny default (with no-log)))
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(allow signal (target self))
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(allow sysctl-read)
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(allow iokit-open (iokit-user-client-class "IOHIDParamUserClient"))
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(allow file-read*
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(literal "/etc")
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(literal "/dev/random")
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(literal "/dev/urandom")
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(literal "/usr/share/icu/icudt51l.dat")
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(subpath "/System/Library/Displays/Overrides")
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(subpath "/System/Library/CoreServices/CoreTypes.bundle")
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(subpath "/System/Library/PrivateFrameworks")
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(regex #"^/usr/lib/libstdc\+\+\.[^/]*dylib$")
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(literal plugin-binary-path)
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(literal app-path)
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(literal app-binary-path))
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)";
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static const char widevinePluginSandboxRulesAddend[] = R"(
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(allow mach-lookup (global-name "com.apple.windowserver.active"))
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)";
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static const char contentSandboxRules[] = R"(
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(version 1)
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(define should-log (param "SHOULD_LOG"))
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(define sandbox-level-1 (param "SANDBOX_LEVEL_1"))
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(define sandbox-level-2 (param "SANDBOX_LEVEL_2"))
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(define sandbox-level-3 (param "SANDBOX_LEVEL_3"))
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(define macosMinorVersion (string->number (param "MAC_OS_MINOR")))
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(define appPath (param "APP_PATH"))
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(define appBinaryPath (param "APP_BINARY_PATH"))
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(define appdir-path (param "APP_DIR"))
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(define appTempDir (param "APP_TEMP_DIR"))
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(define hasProfileDir (param "HAS_SANDBOXED_PROFILE"))
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(define profileDir (param "PROFILE_DIR"))
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(define home-path (param "HOME_PATH"))
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(define debugWriteDir (param "DEBUG_WRITE_DIR"))
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(define testingReadPath1 (param "TESTING_READ_PATH1"))
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(define testingReadPath2 (param "TESTING_READ_PATH2"))
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(define testingReadPath3 (param "TESTING_READ_PATH3"))
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(define testingReadPath4 (param "TESTING_READ_PATH4"))
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(if (string=? should-log "TRUE")
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(deny default)
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(deny default (with no-log)))
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(debug deny)
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; These are not included in (deny default)
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(deny process-info*)
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; This isn't available in some older macOS releases.
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(if (defined? 'nvram*)
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(deny nvram*))
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; The next two properties both require macOS 10.10+
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(if (defined? 'iokit-get-properties)
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(deny iokit-get-properties))
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(if (defined? 'file-map-executable)
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(deny file-map-executable))
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(if (defined? 'file-map-executable)
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(allow file-map-executable file-read*
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(subpath "/System")
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(subpath "/usr/lib")
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(subpath appdir-path))
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(allow file-read*
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(subpath "/System")
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(subpath "/usr/lib")
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(subpath appdir-path)))
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; Allow read access to standard system paths.
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(allow file-read*
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(require-all (file-mode #o0004)
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(require-any
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(subpath "/Library/Filesystems/NetFSPlugins")
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(subpath "/Library/GPUBundles")
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(subpath "/usr/share"))))
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; Top-level directory metadata access (bug 1404298)
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(allow file-read-metadata (regex #"^/[^/]+$"))
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(allow file-read-metadata
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(literal "/private/etc/localtime")
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(regex #"^/private/tmp/KSInstallAction\."))
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; Allow read access to standard special files.
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(allow file-read*
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(literal "/dev/autofs_nowait")
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(literal "/dev/random")
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(literal "/dev/urandom"))
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(allow file-read*
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file-write-data
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(literal "/dev/null")
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(literal "/dev/zero"))
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(allow file-read*
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file-write-data
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file-ioctl
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(literal "/dev/dtracehelper"))
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; Needed for things like getpriority()/setpriority()
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(allow process-info-pidinfo process-info-setcontrol (target self))
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; macOS 10.9 does not support the |sysctl-name| predicate, so unfortunately
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; we need to allow all sysctl-reads there.
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(if (= macosMinorVersion 9)
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(allow sysctl-read)
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(allow sysctl-read
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(sysctl-name-regex #"^sysctl\.")
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(sysctl-name "kern.ostype")
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(sysctl-name "kern.osversion")
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(sysctl-name "kern.osrelease")
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(sysctl-name "kern.version")
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; TODO: remove "kern.hostname". Without it the tests hang, but the hostname
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; is arguably sensitive information, so we should see what can be done about
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; removing it.
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(sysctl-name "kern.hostname")
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(sysctl-name "hw.machine")
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(sysctl-name "hw.model")
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(sysctl-name "hw.ncpu")
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(sysctl-name "hw.activecpu")
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(sysctl-name "hw.byteorder")
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(sysctl-name "hw.pagesize_compat")
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(sysctl-name "hw.logicalcpu_max")
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(sysctl-name "hw.physicalcpu_max")
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(sysctl-name "hw.busfrequency_compat")
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(sysctl-name "hw.busfrequency_max")
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(sysctl-name "hw.cpufrequency")
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(sysctl-name "hw.cpufrequency_compat")
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(sysctl-name "hw.cpufrequency_max")
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(sysctl-name "hw.l2cachesize")
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(sysctl-name "hw.l3cachesize")
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(sysctl-name "hw.cachelinesize")
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(sysctl-name "hw.cachelinesize_compat")
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(sysctl-name "hw.tbfrequency_compat")
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(sysctl-name "hw.vectorunit")
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(sysctl-name "hw.optional.sse2")
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(sysctl-name "hw.optional.sse3")
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(sysctl-name "hw.optional.sse4_1")
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(sysctl-name "hw.optional.sse4_2")
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(sysctl-name "hw.optional.avx1_0")
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(sysctl-name "hw.optional.avx2_0")
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(sysctl-name "machdep.cpu.vendor")
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(sysctl-name "machdep.cpu.family")
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(sysctl-name "machdep.cpu.model")
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(sysctl-name "machdep.cpu.stepping")
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(sysctl-name "debug.intel.gstLevelGST")
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(sysctl-name "debug.intel.gstLoaderControl")))
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(define (home-regex home-relative-regex)
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(regex (string-append "^" (regex-quote home-path) home-relative-regex)))
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(define (home-subpath home-relative-subpath)
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(subpath (string-append home-path home-relative-subpath)))
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(define (home-literal home-relative-literal)
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(literal (string-append home-path home-relative-literal)))
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(define (profile-subpath profile-relative-subpath)
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(subpath (string-append profileDir profile-relative-subpath)))
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(define (allow-shared-list domain)
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(allow file-read*
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(home-regex (string-append "/Library/Preferences/" (regex-quote domain)))))
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(allow ipc-posix-shm-read-data ipc-posix-shm-write-data
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(ipc-posix-name-regex #"^CFPBS:"))
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(allow signal (target self))
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(if (>= macosMinorVersion 13)
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(allow mach-lookup
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; bug 1392988
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(xpc-service-name "com.apple.coremedia.videodecoder")
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(xpc-service-name "com.apple.coremedia.videoencoder")))
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; bug 1312273
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(if (= macosMinorVersion 9)
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(allow mach-lookup (global-name "com.apple.xpcd")))
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(allow iokit-open
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(iokit-user-client-class "IOHIDParamUserClient"))
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; Only supported on macOS 10.10+
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(if (defined? 'iokit-get-properties)
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(allow iokit-get-properties
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(iokit-property "board-id")
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(iokit-property "IODVDBundleName")
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(iokit-property "IOGLBundleName")
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(iokit-property "IOGVACodec")
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(iokit-property "IOGVAHEVCDecode")
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(iokit-property "IOGVAHEVCEncode")
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(iokit-property "IOPCITunnelled")
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(iokit-property "IOVARendererID")
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(iokit-property "MetalPluginName")
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(iokit-property "MetalPluginClassName")))
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; depending on systems, the 1st, 2nd or both rules are necessary
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(allow user-preference-read (preference-domain "com.apple.HIToolbox"))
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(allow file-read-data (literal "/Library/Preferences/com.apple.HIToolbox.plist"))
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(allow user-preference-read (preference-domain "com.apple.ATS"))
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(allow file-read-data (literal "/Library/Preferences/.GlobalPreferences.plist"))
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(allow file-read*
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(subpath "/Library/Spelling")
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(literal "/")
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(literal "/private/tmp")
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(literal "/private/var/tmp")
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(home-literal "/.CFUserTextEncoding")
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(home-literal "/Library/Preferences/com.apple.DownloadAssessment.plist")
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(home-subpath "/Library/Colors")
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(home-subpath "/Library/Keyboard Layouts")
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(home-subpath "/Library/Input Methods")
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(home-subpath "/Library/Spelling")
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(literal appPath)
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(literal appBinaryPath))
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(if (defined? 'file-map-executable)
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(begin
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(when testingReadPath1
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(allow file-read* file-map-executable (subpath testingReadPath1)))
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(when testingReadPath2
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(allow file-read* file-map-executable (subpath testingReadPath2)))
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(when testingReadPath3
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(allow file-read* file-map-executable (subpath testingReadPath3)))
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(when testingReadPath4
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(allow file-read* file-map-executable (subpath testingReadPath4))))
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(begin
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(when testingReadPath1
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(allow file-read* (subpath testingReadPath1)))
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(when testingReadPath2
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(allow file-read* (subpath testingReadPath2)))
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(when testingReadPath3
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(allow file-read* (subpath testingReadPath3)))
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(when testingReadPath4
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(allow file-read* (subpath testingReadPath4)))))
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(allow file-read-metadata (home-subpath "/Library"))
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(allow file-read-metadata
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(literal "/private/var")
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(subpath "/private/var/folders"))
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; bug 1303987
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(if (string? debugWriteDir)
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(begin
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(allow file-write-data (subpath debugWriteDir))
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(allow file-write-create
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(require-all
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(subpath debugWriteDir)
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(vnode-type REGULAR-FILE)))))
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(allow-shared-list "org.mozilla.plugincontainer")
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; Per-user and system-wide Extensions dir
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(allow file-read*
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(home-regex "/Library/Application Support/[^/]+/Extensions/")
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(regex "^/Library/Application Support/[^/]+/Extensions/"))
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; bug 1393805
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(allow file-read*
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(home-subpath "/Library/Application Support/Mozilla/SystemExtensionsDev"))
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; The following rules impose file access restrictions which get
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; more restrictive in higher levels. When file-origin-specific
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; content processes are used for file:// origin browsing, the
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; global file-read* permission should be removed from each level.
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; level 1: global read access permitted, no global write access
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(if (string=? sandbox-level-1 "TRUE") (allow file-read*))
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; level 2: global read access permitted, no global write access,
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; no read/write access to ~/Library,
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; no read/write access to $PROFILE,
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; read access permitted to $PROFILE/{extensions,chrome}
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(if (string=? sandbox-level-2 "TRUE")
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(begin
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; bug 1201935
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(allow file-read* (home-subpath "/Library/Caches/TemporaryItems"))
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(if (string=? hasProfileDir "TRUE")
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; we have a profile dir
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(allow file-read* (require-all
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(require-not (home-subpath "/Library"))
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(require-not (subpath profileDir))))
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; we don't have a profile dir
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(allow file-read* (require-not (home-subpath "/Library"))))))
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; level 3: Does not have any of it's own rules. The global rules provide:
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; no global read/write access,
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; read access permitted to $PROFILE/{extensions,chrome}
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(if (string=? hasProfileDir "TRUE")
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; we have a profile dir
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(allow file-read*
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(profile-subpath "/extensions")
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(profile-subpath "/chrome")))
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; accelerated graphics
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(allow user-preference-read (preference-domain "com.apple.opengl"))
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(allow user-preference-read (preference-domain "com.nvidia.OpenGL"))
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(allow mach-lookup
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(global-name "com.apple.cvmsServ"))
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(allow iokit-open
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(iokit-connection "IOAccelerator")
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(iokit-user-client-class "IOAccelerationUserClient")
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(iokit-user-client-class "IOSurfaceRootUserClient")
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(iokit-user-client-class "IOSurfaceSendRight")
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(iokit-user-client-class "IOFramebufferSharedUserClient")
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(iokit-user-client-class "AGPMClient")
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(iokit-user-client-class "AppleGraphicsControlClient"))
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; bug 1153809
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(allow iokit-open
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(iokit-user-client-class "NVDVDContextTesla")
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(iokit-user-client-class "Gen6DVDContext"))
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; bug 1237847
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(allow file-read* file-write-data
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(subpath appTempDir))
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(allow file-write-create
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(require-all
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(subpath appTempDir)
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(vnode-type REGULAR-FILE)))
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; Fonts
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(allow file-read*
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(subpath "/Library/Fonts")
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(subpath "/Library/Application Support/Apple/Fonts")
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(home-subpath "/Library/Fonts")
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; Allow read access to paths allowed via sandbox extensions.
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; This is needed for fonts in non-standard locations normally
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; due to third party font managers. The extensions are
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; automatically issued by the font server in response to font
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; API calls.
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(extension "com.apple.app-sandbox.read"))
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)";
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// These are additional rules that are added to the content process rules for
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// file content processes.
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static const char fileContentProcessAddend[] = R"(
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; This process has blanket file read privileges
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(allow file-read*)
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; File content processes need access to iconservices to draw file icons in
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; directory listings
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(allow mach-lookup (global-name "com.apple.iconservices"))
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)";
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// These are additional rules that are added to the content process rules when
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// audio remoting is not enabled. (Once audio remoting is always used these
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// will be deleted.)
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static const char contentProcessAudioAddend[] = R"(
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(allow ipc-posix-shm-read* ipc-posix-shm-write-data
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(ipc-posix-name-regex #"^AudioIO"))
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(allow mach-lookup
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(global-name "com.apple.audio.coreaudiod")
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(global-name "com.apple.audio.audiohald"))
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(if (>= macosMinorVersion 13)
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(allow mach-lookup
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; bug 1376163
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(global-name "com.apple.audio.AudioComponentRegistrar")))
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(allow iokit-open (iokit-user-client-class "IOAudioEngineUserClient"))
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(allow file-read* (subpath "/Library/Audio/Plug-Ins"))
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(allow device-microphone)
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)";
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}
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#endif // mozilla_SandboxPolicies_h
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