s[et]uid doesn't work
Robert Nagler
mcvax!olsen!nagler at uunet.uu.net
Wed Feb 1 06:45:57 AEST 1989
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 ]]
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