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045-suspenduser.sh
executable file
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045-suspenduser.sh
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#!/bin/sh
## Suspend - suspend a user account for the indefinite future
homedir="/home" # home directory for users
secs=10 # seconds before user is logged out
if [ -z $1 ] ; then
echo "Usage: $0 account" >&2 ; exit 1
elif [ "$(whoami)" != "root" ] ; then
echo "Error. You must be 'root' to run this command." >&2; exit 1
fi
echo "Please change account $1 password to something new."
passwd $1
# Now, let's see if they're logged in, and if so, boot 'em
if [ ! -z $(who | grep $1) ] ; then
tty="$(who | grep $1 | tail -1 | awk '{print $2}')"
cat << "EOF" > /dev/$tty
*************************************************************
URGENT NOTICE FROM THE ADMINISTRATOR:
This account is being suspended at the request of management.
You are going to be logged out in $secs seconds. Please immediately
shut down any processes you have running and log out.
If you have any questions, please contact your supervisor or
John Doe, Director of Information Technology.
*************************************************************
EOF
echo "(Warned $1, now sleeping $secs seconds)"
sleep $secs
killall -s HUP -u $1 # send hangup sig to their processes
sleep 1 # give it a second...
killall -s KILL -u $1 # and kill anything left
echo "$(date): $1 was logged in. Just logged them out."
fi
# Finally, let's close off their home directory from prying eyes:
chmod 000 $homedir/$1
echo "Account $1 has been suspended."
exit 0