Aucbvax.3071
fa.unix-wizards
utzoo!decvax!ucbvax!unix-wizards
Thu Sep 10 23:23:36 1981
writable setuid files
>From CSVAX.dmr@Berkeley Thu Sep 10 23:17:40 1981
Throwing away setuid (or setgid) bits on a written file is indeed
a considerable pain.  It is also (in UCB vmunix) done strangely,
in the iwrite routine.  Has it occurred to anyone else that
a more natural way to achieve equivalent safety is to prevent
write access to a setuid file except to the owner, and likewise
for setgid?  That is, if the file is setuid, ignore all but
the owner permission bits.
       Dennis Ritchie

-----------------------------------------------------------------
gopher://quux.org/ conversion by John Goerzen <[email protected]>
of http://communication.ucsd.edu/A-News/


This Usenet Oldnews Archive
article may be copied and distributed freely, provided:

1. There is no money collected for the text(s) of the articles.

2. The following notice remains appended to each copy:

The Usenet Oldnews Archive: Compilation Copyright (C) 1981, 1996
Bruce Jones, Henry Spencer, David Wiseman.

You are viewing proxied material from gopher.quux.org. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.