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Old 09-25-2010, 10:15 PM   #1
Hi_This_is_Dev
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Run a script as any user


I have a script that displays the IP Address of a given network interface / device name.

I have placed it in /bin/ip.sh

Code:
[root@mahadeva ~]# ip.sh eth0
192.168.56.15
But as I run it as another user, it doesn't work because the script contains the "ifconfig" command:

Code:
[root@mahadeva ~]# su - DEV
[DEV@mahadeva ~]$ ip.sh eth0
/bin/ip.sh: line 3: ifconfig: command not found

Any user can run ls command, for example, without any root privileges. I just found that my script and ls have identical ACL:


Code:
[DEV@mahadeva ~]$ getfacl /bin/ls
getfacl: Removing leading '/' from absolute path names
# file: bin/ls
# owner: root
# group: root
user::rwx
group::r-x
other::r-x

[DEV@mahadeva ~]$ getfacl /bin/ip.sh
getfacl: Removing leading '/' from absolute path names
# file: bin/ip.sh
# owner: root
# group: root
user::rwx
group::r-x
other::r-x

[DEV@mahadeva ~]$
So, how can I make my script to be executable by any user?

I looked at the visudoers file but got confused as to what entries I should make there (if that is a possible solution).
 
Old 09-25-2010, 10:23 PM   #2
macemoneta
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You don't need privileges, you need to specify the path - /sbin/ifconfig - since 'command not found' means that it's not in your user's path.
 
Old 09-25-2010, 10:25 PM   #3
AlucardZero
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Your problem is "command not found", ie ifconfig is not on the user's PATH. Use the full path (/sbin/ifconfig) in your script.

That will help. But if your script wants to do things that normally only root can do, that won't be enough.
 
Old 09-25-2010, 11:53 PM   #4
Hi_This_is_Dev
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Quote:
Originally Posted by AlucardZero View Post
But if your script wants to do things that normally only root can do, that won't be enough.
What is the solution for that?
 
Old 09-26-2010, 09:51 AM   #5
AlucardZero
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chmod the script suid root. But are you really sure you want to do that?
 
Old 09-26-2010, 09:57 AM   #6
Hi_This_is_Dev
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Quote:
Originally Posted by AlucardZero View Post
chmod the script suid root. But are you really sure you want to do that?
Yes, I want to experiment anything I can think of.
 
  


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