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Date:      Wed, 28 Feb 1996 18:30:59 +1100
From:      Bruce Evans <bde@zeta.org.au>
To:        bde@zeta.org.au, roberto@keltia.freenix.fr
Cc:        msmith@comtch.iea.com, nlawson@kdat.csc.calpoly.edu, security@freebsd.org
Subject:   Re: Suspicious symlinks in /tmp
Message-ID:  <199602280730.SAA31286@godzilla.zeta.org.au>

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>> I think this is to conform to future POSIX standards.  Many other things
>> involving symlinks changed in 4.4lite.  See `man 7 symlink'.

>davidg also said it was not to use an inode for the symlink itself so every
>symlink in 4.4BSD are  fast symlinks (as it  was possible to use in FreeBSD
>1.1.5.1). 

Fast/small symlinks use an inode but not a data block.  Very fast/small
symlinks would use only a directory entry (or two).  Then there would be
nowhere to store the uid etc.

>It don't like our behaviour  either. Highly counterintuitive and deadly for
>sticky directories too where a user can't remove a link he made.

Very intuitive if you don't know about inodes :-).

Bruce



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