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Date:      Thu, 11 Jun 1998 20:42:38 -0700
From:      John Polstra <jdp@polstra.com>
To:        evanc@synapse.net
Cc:        stable@FreeBSD.ORG
Subject:   Re: setuid on directory
Message-ID:  <199806120342.UAA07562@austin.polstra.com>
In-Reply-To: <004601bd9197$2666c340$c9252fce@cello.synapse.net>
References:  <004601bd9197$2666c340$c9252fce@cello.synapse.net>

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In article <004601bd9197$2666c340$c9252fce@cello.synapse.net>,
Evan Champion <evanc@synapse.net> wrote:

> The manpage for chmod(1) says that if one sets the setuid bit on a
> directory, files created within that directory will be owned by the owner of
> the directory and not the uid of the current process.

I suppose that pedantically speaking the man page is correct, since it
goes on to say "if the underlying file system supports this feature:
see chmod(2) and the suiddir option to mount(1)."  Of course, no
filesystems support this feature, and the suiddir option to mount(1)
doesn't exist, as far as I can tell. :-)

But speaking as a Man Of Reason, I have to agree with you that this
is bogus.

> A similar idea goes for the setgid bit.

Actually, I don't see anything along those lines in chmod(1).
--
   John Polstra                                       jdp@polstra.com
   John D. Polstra & Co., Inc.                Seattle, Washington USA
   "Self-knowledge is always bad news."                 -- John Barth

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