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#! /bin/sh
#
# vpnuser	Add/Del user to chap-secrets for VPN
# Version 1.0 beta by Richard de Vroede - Linvision BV
# Ideas or worshipping to: richard@linvision.com
#

config="/etc/ppp/chap-secrets"
ERROR="Usage:\n$0 add <username> <passwd> or\n$0 del <username> or\n$0 show [<username>] or\n$0 domain <username> <domain>"

# See how we were called.
case "$1" in
  add)
        if [ "$(echo $2)" != "" ] & [ "$(echo $3)" != "" ]; then
	    echo -e "$2\t*\t$3\t*" >> $config
            chmod 600 $config
	else
	    echo -e $ERROR
	    exit 1
	fi
	;;
  del)
        if [ "$(echo $2)" != "" ]; then
	    grep -vw "$2" $config > /tmp/vpnblaat
            mv /tmp/vpnblaat $config
            chmod 600 $config
	else
	    echo -e $ERROR
	    exit 1
	fi
	;;
  show)
	    echo -e "User\tServer\tPasswd\tIPnumber"
	    echo "---------------------------------"
        if [ "$(echo $2)" != "" ]; then
	    grep -w $2 $config
	else
	    cat $config
	fi
	;;
  domain)
        if [ "$(echo $2)" != "" ] & [ "$(echo $3)" != "" ]; then
	    grep -vw "$2" $config > /tmp/vpnblaat
	    DATA=`grep -w "$2" $config`
	    mv /tmp/vpnblaat $config
	    DOM=`echo $3 | tr a-z A-Z`
	    dom=`echo $3 | tr A-Z a-z`
            echo "$DOM\\\\$DATA" >> $config
            echo "$dom\\\\$DATA" >> $config
	    chmod 600 $config
	else
	    echo -e $ERROR
	    exit 1
	fi
	;;
  *)
	echo -e $ERROR
	exit 1
esac