#!/bin/sh
#
# $Id: mkimapdcert.in,v 1.4 2001/08/26 15:49:50 mrsam Exp $
#
# Copyright 2000 Double Precision, Inc.  See COPYING for
# distribution information.
#
# This is a short script to quickly generate a self-signed X.509 key for
# IMAP over SSL.  Normally this script would get called by an automatic
# package installation routine.

test -x /usr/bin/openssl || exit 0

ssldir="/etc/ssl/cyrus-imapd"
pemfile="${ssldir}/cyrus-imapd.pem"
randfile="/var/lib/imap/cyrus-imapd.rand"
cnffile="${ssldir}/cyrus-imapd.cnf"

if test -f "$pemfile"
then
	echo "$pemfile already exists."
	exit 1
fi

cp /dev/null "$pemfile"
chmod 600 "$pemfile"
chown cyrus.mail "$pemfile"

cleanup() {
	rm -f "$pemfile"
	rm -f "$randfile"
	exit 1
}

cd "$ssldir"
dd if=/dev/urandom of="$randfile" count=1 2>/dev/null
/usr/bin/openssl req -new -x509 -days 365 -nodes \
	-config "$cnffile" -out "$pemfile" -keyout "$pemfile" || cleanup
/usr/bin/openssl gendh -rand "$randfile" 512 >>"$pemfile" || cleanup
/usr/bin/openssl x509 -subject -dates -fingerprint -noout -in "$pemfile" || cleanup
rm -f "$randfile"