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#!/bin/bash
# ulogin - A script for autologin of a selected user (and more)
#-----------------------------------------------------------------
# 2008.04.06
user=$( cat /tmp/newuser 2>/dev/null )
rm -f /tmp/newuser
rm -f /tmp/xlogout
if [ -n "${user}" ]; then
login -f ${user}
else
# offer choice of user
ulist="$( cat /etc/passwd | grep ':/home/.*sh$' )"
echo -e "\nLogin a user or quit:"
echo " 0 : root"
echo " 1 : REBOOT"
echo " 2 : HALT"
i=2
for entry in ${ulist}; do
i=$(( ${i} + 1 ))
user="$( echo ${entry} | cut -d':' -f1 )"
users[${i}]=${user}
printf "%4d : %s\n" ${i} ${user}
done
while true; do
read -p "Enter a number from 0 to ${i} : " n
if [ "${n}" = 0 ]; then
login -f root
elif [ "${n}" = 1 ]; then
exec reboot
elif [ "${n}" = 2 ]; then
exec halt
elif [ -n "$( echo "${n}" | grep "^[0-9]\+$" )" ] && \
[ -n "${users[${n}]}" ]; then
login -f ${users[${n}]}
else
echo " *** Invalid choice ..."
continue
fi
break
done
fi
if grep "r" /tmp/xlogout &>/dev/null; then
reboot
elif grep "h" /tmp/xlogout &>/dev/null; then
halt
fi
# This file is only needed for shutting down
rm -f /tmp/checkse
# End
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