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85e93d7b87
Even with "build-use-sandbox = false", we now use sandboxing with a permissive profile that allows everything except the creation of setuid/setgid binaries.
59 lines
1.5 KiB
Text
59 lines
1.5 KiB
Text
(define TMPDIR (param "_GLOBAL_TMP_DIR"))
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(deny default)
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; Disallow creating setuid/setgid binaries, since that
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; would allow breaking build user isolation.
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(deny file-write-setugid)
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; Allow forking.
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(allow process-fork)
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; Allow reading system information like #CPUs, etc.
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(allow sysctl-read)
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; Allow POSIX semaphores and shared memory.
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(allow ipc-posix*)
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; Allow socket creation.
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(allow system-socket)
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; Allow sending signals within the sandbox.
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(allow signal (target same-sandbox))
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; Access to /tmp.
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(allow file* process-exec (literal "/tmp") (subpath TMPDIR))
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; Some packages like to read the system version.
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(allow file-read* (literal "/System/Library/CoreServices/SystemVersion.plist"))
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; Without this line clang cannot write to /dev/null, breaking some configure tests.
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(allow file-read-metadata (literal "/dev"))
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; Standard devices.
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(allow file*
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(literal "/dev/null")
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(literal "/dev/random")
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(literal "/dev/stdin")
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(literal "/dev/stdout")
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(literal "/dev/tty")
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(literal "/dev/urandom")
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(literal "/dev/zero")
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(subpath "/dev/fd"))
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; Does nothing, but reduces build noise.
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(allow file* (literal "/dev/dtracehelper"))
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; Allow access to zoneinfo since libSystem needs it.
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(allow file-read* (subpath "/usr/share/zoneinfo"))
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(allow file-read* (subpath "/usr/share/locale"))
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; This is mostly to get more specific log messages when builds try to
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; access something in /etc or /var.
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(allow file-read-metadata
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(literal "/etc")
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(literal "/var")
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(literal "/private/var/tmp")
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)
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