Re: [RFC] Bug in mkdir(2)
Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 16 Jun 1999 22:11:00 +0100 (BST)
> Following symlinks can be useful at times. It is the root-owned
> processes responsibility to check for symlinks in /tmp. This argument
> can be used for any file manipulation in a globally writable directory.
> Both mkdir("foo") and mkdir("foo/") should follow symlinks for
> consistency purposes.
You can demonstrate the link following race for O_EXCL|O_CREAT is insoluble.
This is why every modern Unix doesn't link follow on create. It doesn't work.
Alan
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