#!/bin/sh
#
# service-dovecot-xxx-run
# John Simpson <jms1@jms1.net> 2008-05-13
#
# can be used as the "run" script for a Dovecot IMAP or POP3 service
#
###############################################################################
#
# Copyright (C) 2008 John Simpson.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
###############################################################################

# IP and port to listen on
IP=127.0.0.1
PORT=143

# how many concurrent connections to allow.
#MAX=40

# .cdb filename, if using a tcp/sslserver access control file
#ACCESS_CDB=

########################################

# location of imap-login or pop3-login, whichever is used by this service
# this is normally /usr/local/libexec/dovecot/xxxx-login
SVC_LOGIN=/usr/local/libexec/dovecot/imap-login

# if >0, set up secure connection
IS_SSL=0

# for SSL connections, specify the .pem file containing the server key
#CERTFILE=/var/qmail/control/servercert.pem

###############################################################################
###############################################################################
###############################################################################
#
# build command line

if [ ${IS_SSL:-0} -gt 0 ]
then
	if [ -n "${CERTFILE:-}" ]
	then
		CMD="sslserver -evRH -l0"
		export CERTFILE
		export KEYFILE=""
		export DHFILE=""
	else
		echo "ERROR: no CERTFILE specified for SSL service"
		sleep 5
		exit 1
	fi
else
	CMD="tcpserver -vRH -l0"
fi

if [ -n "${MAX:-}" ]
then
	CMD="$CMD -c \"$MAX\""
fi

if [ -n "${ACCESS_CDB:-}" ]
then
	CMD="$CMD -x \"$ACCESS_CDB\""
fi

CMD="$CMD $IP $PORT $SVC_LOGIN"

if [ ${IS_SSL:-0} -gt 0 ]
then
	CMD="$CMD --ssl"
fi

###############################################################################
#
# do the deed

echo "command line: $CMD"
exec $CMD 2>&1
echo "exec failed"
sleep 5