Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!rice!sun-spots-request
From: mcvax!olsen!nagler@uunet.uu.net (Robert Nagler)
Newsgroups: comp.sys.sun
Subject: s[et]uid doesn't work
Message-ID: <8901251251.AA22111@klaus.olsen.uucp>
Date: 31 Jan 89 20:45:57 GMT
Sender: usenet@rice.edu
Organization: Sun-Spots
Lines: 22
Approved: Sun-Spots@rice.edu
Original-Date: Wed, 25 Jan 89 13:51:33 +0100
X-Sun-Spots-Digest: Volume 7, Issue 130, message 10 of 17

Loki Jorgenson writes:
> I have set a root owned sh or csh script file with the mode 4755 
> and tried to execute it as user.....  but this doesn't work....

Had a similar problem recently.  Here's a clip from the "csh" manual:

     -b   Force a "break"  from  option  processing.   Subsequent
          command-line  arguments  are not interpreted as C-Shell
          options.  This allows  the  passing  of  options  to  a
          script  without  confusion.   The  shell does not run a
          set-user-ID script unless this option is present.

I don't know why this is required, but it was sure difficult to find.

Therefore you must do what the moderator suggests with a twist for csh
scripts: Put "#!/bin/csh -b" at the top of the file.

[[ Oh yeah.  That tripped me up, too, awhile ago.  Can't believe I forgot
it, because I was pretty mad (at the time) when I finally figured it out.
Sun actually made that change quite awhile ago:  you need "-b" under 3.2,
for example.  I'm not sure, but I think the change was made in version 3
(that is, starting with 3.0).  --wnl ]]