#!/bin/bash

if [ $# -lt 2 ]; then
        echo "Please specify the user and command to be run."
        exit -1
fi

USER=$1
shift
ARGS=$*

TTY=`/usr/bin/tty`
echo "$TTY" >/tmp/sudoTty_$USER_$EUID

cd / # be sure to get out of root's home folder

if [ "$TTY" == "/dev/console" ]; then
   su -l $USER -c "$ARGS"
elif [ "$TTY" == "" ]; then
   su -l $USER -c "$ARGS"
elif [ "$TTY" == "/dev/null" ]; then
   su -l $USER- c "$ARGS"
elif [ "$TTY" == "/dev/tty1" ]; then
   su -l $USER -c "$ARGS"
elif [ -x /usr/bin/sudo ]; then
        /usr/bin/sudo -E -u $USER -n $ARGS
elif [ -x /sbin/runuser ]; then
        /sbin/runuser -l $USER -c "$ARGS"
else
        echo "Unable to run securely, will try plain ol' su ..."
        su -l $USER -c "$ARGS"
fi