[2.5 backport] Allow the macOS sandbox to write in the /var/folders/ and /var/db/mds/ directories#6775
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kit-ty-kate merged 1 commit intoocaml:2.5from Nov 4, 2025
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…mds/` directories It is required by some of macOS core tools such as security(1) and previous TMPDIR stored in /var/folders/*/*/T/ have been seen accessed by xcode in the wild on occasion. While the /var/folders/*/*/C/ directory contain things that are kept indefinitely, these files are in theory understood by applications to be writeable by anyone and thus not trusted. The mds subdirectory is a cache used to search for files in the system. Both of these are part of other tools that use sandbox-exec such as MacPorts. See for example: https://github.com/macports/macports-base/blob/2c6fc24ddd1d6961afa83c5b35be12224b6850f6/src/port1.0/portsandbox.tcl#L92
rjbou
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Nov 4, 2025
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Backport of #4797 to the 2.5 branch