Date: Sat, 6 Jul 2019 17:43:26 -0700 From: Yuri <yuri@rawbw.com> To: Freebsd hackers list <freebsd-hackers@FreeBSD.org> Subject: What is the best way for the process to determine that it runs in jail? Message-ID: <bafb7230-6e18-39d6-3ba4-ec3f7fac1cb1@rawbw.com>
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I found online that it is possible to stat the root folder and find its inode number. The inode number is 2 when the root is on UFS, and 4 if the root is on ZFS. This looks pretty hackish to me. Is this reliable? Is there a better/best way? Thank you, Yuri
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