04-29-2005
sorry perderabo, its not that I was rejecting what kduffin said, it was really that I didn't know what the 4 meant, so I didn't know what I was doing. I did some research afterwards and I saw that the 4 was setuid, to make the script run as the owner, rather than as the daemon.
I believe this is exactly what I need, at least from everything I have read (chmod 4755). I did try it, but now what happens is that when I send an email to the account, I get an email back saying that access to the script was denied. I'm thinking that maybe setuid is disabled on our unix system, since I also read that it could be disabled because of security reasons. So my next step is to ask the sys admin if this is actually the case or not.
What I still dont understand is:
- set the group to be the default group?
- set the owner to the user I want to execute the ci/co functions (would this be the same as doing 'chown' inside the script like chuckuy said?
I am going to try the chown inside my script like chuckuy said and see if that solves my problem, because I DO know the owner of the script ahead of time, and I just need that script to run as this specific user.
I appreciate all of the help from everyone. I will be more than happy to try any other suggestions that anyone else may have for me.
Last edited by mskarica; 04-29-2005 at 01:53 AM..
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LEARN ABOUT XFREE86
setuid
SETUID(1) General Commands Manual SETUID(1)
NAME
setuid - run a command with a different uid.
SYNOPSIS
setuid username|uid command [ args ]
DESCRIPTION
Setuid changes user id, then executes the specified command. Unlike some versions of su(1), this program doesn't ever ask for a password
when executed with effective uid=root. This program doesn't change the environment; it only changes the uid and then uses execvp() to find
the command in the path, and execute it. (If the command is a script, execvp() passes the command name to /bin/sh for processing.)
For example,
setuid some_user $SHELL
can be used to start a shell running as another user.
Setuid is useful inside scripts that are being run by a setuid-root user -- such as a script invoked with super, so that the script can
execute some commands using the uid of the original user, instead of root. This allows unsafe commands (such as editors and pagers) to be
used in a non-root mode inside a super script. For example, an operator with permission to modify a certain protected_file could use a
super command that simply does:
cp protected_file temp_file
setuid $ORIG_USER ${EDITOR:-/bin/vi} temp_file
cp temp_file protected_file
(Note: don't use this example directly. If the temp_file can somehow be replaced by another user, as might be the case if it's kept in a
temporary directory, there will be a race condition in the time between editing the temporary file and copying it back to the protected
file.)
AUTHOR
Will Deich
local SETUID(1)