Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!usc!cs.utexas.edu!uunet!mcvax!kth!sunic!Urd!newsuser From: perf@efd.lth.se (Per Foreby) Newsgroups: comp.emacs Subject: Re: Rmail Message-ID: Date: 3 Jul 89 11:49:27 GMT References: <416@sirius.ua.oz> <23253@news.Think.COM> Sender: newsuser@lth.se (LTH network news server) Organization: EFD, Lund Institute of Technology, Lund, Sweden Lines: 26 In-reply-to: kim@kannel.lut.fi's message of 3 Jul 89 16:29:07 GMT In article kim@kannel.lut.fi (Kimmo Suominen) writes: > If you have write permission to a directory, you can delete any file in > it even if you don't have any rights for the file itself. > If you have movemail installed as setgid to mail, then you *CAN* read > another person's incoming mail. I just tried it out and it works fine > (just use "set-rmail-inbox-list"). > Any solutions? This is from the manpage for chmod(2): If mode bit 01000 is set on a directory, an unprivileged user may not delete or rename files of other users in that directory. This works fine on our systems (SunOS 4.0.1 and Ultrix 3.0), but I'm not sure if all *ix versions support this. -- Per Foreby System manager at EFD, Lund Institute of Technology (Lund University) Snail: E-huset, Tekniska Hogskolan i Lund, Box 118, S-221 00 LUND, Sweden. Email: perf@efd.lth.se Phone: int + 46 46-10 75 98