Date: Fri, 17 Jan 1997 12:29:28 +1100 (EST) From: proff@suburbia.net To: hal@vailsys.com Cc: hackers@freebsd.org Subject: Re: open () unlinked? Message-ID: <19970117012928.15941.qmail@suburbia.net> In-Reply-To: <32DE6EAC.1A1B@vailsys.com> from Hal Snyder at "Jan 16, 97 12:08:44 pm"
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> I was at Marcus Ranum's Usenix '97 tuturial on Coding for Hostile > Environments, and the subject came up of creating temporary files > securely. Open-then-unlink leaves a window for someone to get at the > file. > > Has there been any discussion here of adding, e.g., an O_UNLINK flag to > open (), that would effectively create an anonymous temp file? > If you are using an anonymous temp file then you are doing something wrong. Temp files should only be used to pass data from one process to another. Cheers, Julian.
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