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Full Discussion: Issue running script as root
Top Forums Shell Programming and Scripting Issue running script as root Post 302524837 by cj09 on Tuesday 24th of May 2011 08:15:44 PM
Old 05-24-2011
Issue running script as root

1) Environment:Red Hat Linux, bash shell

Script to be run owned by user :myUser
Home environment of myUser: pathto/home

2) ESP agent with root access will run

JobXXX.sh
su - myUser -c "/pathto/home/bin/script.sh"
where script.sh has some echo statements and an exit statement in the end


Current behaviour when running the script:
root@ServerName1>./JobXXX.sh

(and then the control remains on the following path)
myUser@Servername1[pathto/home]
(have to print "exit" to get the output of echo statements and ctrl back to root@ServerName1


Expected behaviour when running the script:
root@ServerName1>./JobXXX.sh
  • Runs /pathto/home/bin/script.sh
  • Prints the echo statements
  • ctrl is root@ServerName1

Any suggestions how to fix the issue ?

Thanks for help.
 

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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)
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