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change user through shell script

 
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# 1  
Old 12-12-2005
Data change user through shell script
hi,
my problem is that i am calling a script from my perl program.
the script checks wether a particular process is running or not if the process is not running then it should start the process.
the problem here is that the front end logs into backend with a user which does not have the permission to restart the process.
i tried using SU command it prompts me for the password. expect is not installed so was not able to use it. i even tried setting the SUID bit of the script and running the script as
su - user -c "/path/test.sh
here it starts asking for the roots password
the script is:

#!/bin/sh
var1=`ps -ef | grep -v grep | grep ravi | awk '{print $2}'`
echo $var1
if [ -z $var1 ]
then
echo "The Process is Running"
else
xx=`whoami`
echo $xx
cwd=`cd /user/bin`
pwd=`pwd`
echo $pwd
`su - user`
`ravi`
xx=`whoami`
echo $xx
prrestart=`/ravi/admin/KickWatchdog -restart`
echo "You win"
fi


echo $vasr1
echo 'ravi'

Smilie
 
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LEARN ABOUT SUNOS

script

script(1)							   User Commands							 script(1)

NAME

       script - make record of a terminal session

SYNOPSIS

       script [-a] [filename]

DESCRIPTION

       The  script  utility  makes a record of everything printed on your screen. The record is written to filename. If no file name is given, the
       record is saved in the file typescript. See WARNINGS.

       The script command forks and creates a sub-shell, according to the value of $SHELL, and records the text from this session. The script ends
       when the forked shell exits or when Control-d is typed.

OPTIONS

       The following option is supported:

       -a	Appends the session record to filename, rather than overwriting it.

NOTES

       script places everything that appears on the screen in filename, including prompts.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

WARNINGS

       script  can  pose  a  security risk when used in directories that are writable by other users (for example, /tmp), especially when run by a
       privileged user, that is, root. Be sure that typescript is not a link before running script.

SunOS 5.10							    30 Jan 2004 							 script(1)