Hi, At 11:41 08/04/02 -0700, Michael Smith wrote: > > On Mon, 8 Apr 2002, [ISO-8859-2] Pawe� Jakub Dawidek wrote: > > > > > Simple example why I think that only owner should have permission to > create > > > hardlinks to his files. >... > > I see you forgot to 'ls -l' the resultant link ... you'll find that it has > > the same permissions and ownership as the original file. Oops. > >You misunderstand the original poster's complaint. > >The issue is that a non-owner can cause the owner's file to remain alive >even after the owner has deleted it. Hence the comment about "later >breakin". > >You could also use this technique to maliciously exhaust a user's quota, >by linking to their temporary files. I'm not sure what the standards >have to say about this, but I don't much like the current behaviour.
If you have any permissions on the file, you can prolong its life without a link simply by having a process open it. This is 'better' as a DOS because it's harder to spot. -- Bob Bishop +44 (0)118 977 4017 [EMAIL PROTECTED] fax +44 (0)118 989 4254 To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
