Date: Thu, 10 Feb 2022 08:30:31 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Matthias Apitz <guru@unixarea.de> Cc: freebsd-hackers@freebsd.org Subject: Re: how to restrict file access below some top directory Message-ID: <202202100830.21A8UVSP016362@critter.freebsd.dk> In-Reply-To: <YgTL9tf0EaX3%2BD3Q@pureos> References: <YgTL9tf0EaX3%2BD3Q@pureos>
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-------- Matthias Apitz writes: > > Hello, > > I want restrict in a C- or Perl-written application the file access to > only files below some top directory, say > > /var/spool/dir/ > > and not allowing, for example, access to /var/spool/dir/../../../etc/passwd > Ofc, this could be done easy with chroot(2), but this would require root > permision. Any other ideas? Jails. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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