#!/bin/sh
#
# Usage: astgenkey [ -q ] [ -n ] [keyname]
#
DES3=-des3
if [ "$1" = "-q" ]; then
	QUIET='y'
	if [ "$2" = "-n" ]; then
		DES3=
		KEY=$3
	else
		KEY=$2
	fi
elif [ "$1" = "-n" ]; then
	DES3=
	if [ "$2" = "-q" ]; then
		QUIET='y'
		KEY=$3
	else
		KEY=$2
	fi
else
	KEY=$1
fi

if [ "$QUIET" != 'y' ]; then
	echo ""
	echo "This script generates an RSA private and public key pair"
	echo "in PEM format for use by Asterisk.  You will be asked to"
	echo "enter a passcode for your key multiple times.  Please"
	echo "enter the same code each time.  The resulting files will"
	echo "need to be moved to /var/lib/asterisk/keys if you want"
	echo "to use them, and any private keys (.key files) will"
	echo "need to be initialized at runtime either by running"
	echo "Asterisk with the '-i' option, or with the 'init keys'"
	echo "command once Asterisk is running."
	echo ""
	echo "Press ENTER to continue or ^C to cancel."
	read BLAH
fi

while [ "$KEY" = "" ]; do
	echo -n "Enter key name: "
	read KEY
done

rm -f ${KEY}.key ${KEY}.pub

echo "Generating SSL key '$KEY': "
openssl genrsa -out ${KEY}.key ${DES3} 1024
openssl rsa -in ${KEY}.key -pubout -out ${KEY}.pub

if [ -f "${KEY}.key" ] && [ -f "${KEY}.pub" ]; then
	if [ "$QUIET" != 'y' ]; then
		echo "Key creation successful."
		echo "Public key:  ${KEY}.pub"
		echo "Private key: ${KEY}.key"
	fi
else
	echo "Unknown error creating keys."
fi