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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