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From: David Presotto <presotto@closedmind.org>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Copying pushtls(2)
Date: Fri,  8 Aug 2003 09:51:21 -0400	[thread overview]
Message-ID: <a483160d5836435ca9fa6fc74a78754f@plan9.bell-labs.com> (raw)
In-Reply-To: <3ce92a5b134d67c8bdf471134962e8e4@vitanuova.com>

I'm not sure which message you are responding to.  It is definitely
true that devsrv, devtls, and devssl cannot have fd's passed to them
by remote systems.

I agree that I screwed up when I copied the devsrv semantics into
devtls and devssl.  It's convenient but not distributable.  In
fact, now that I think of it, its probably a security hole since
exportfs doesn't really know what's going on under it and you can
hijack its fd's through #D, #s, and #a.

Proof that a useful hack is still a hack and probably a bad idea.


  reply	other threads:[~2003-08-08 13:51 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-08 12:35 Lucio De Re
2003-08-08 13:29 ` David Presotto
2003-08-08 13:39   ` Lucio De Re
2003-08-08 13:42 ` C H Forsyth
2003-08-08 13:51   ` David Presotto [this message]
2003-08-08 13:51     ` Lucio De Re
2003-08-08 14:19       ` David Presotto
2003-08-08 14:32         ` Lucio De Re

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