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#!/bin/sh
#
#	$FreeBSD$
#
# Created by: stb@FreeBSD.org for the cyrus imap server
# Added to the cyrus-sasl port by hetzels@westbend.net

#set -vx

PKG_BATCH=${BATCH:=NO}

PKG_PREFIX=${PKG_PREFIX:=/usr/local}

SASLDB_NAME=${PKG_PREFIX}/etc/%%SASLDB%%

#
# create 'cyrus' user and group before installing
#

create_user() {
	USER=cyrus
	GROUP=cyrus
	PW=/usr/sbin/pw 

	if [ -x /sbin/nologin ]; then   
		shell=/sbin/nologin   
	else   
		shell=/nonexistent   
	fi 
	uhome="/nonexistent"

	if ! ${PW} show group ${GROUP} -q >/dev/null; then
		gid=60
		while ${PW} show group -g ${gid} -q >/dev/null; do
			gid=`expr ${gid} + 1`
		done
		if ! ${PW} add group ${GROUP} -g ${gid}; then
			e=$?
			echo "*** Failed to add group \`${GROUP}'. Please add it manually."
			exit ${e}
		fi
		echo "*** Added group \`${GROUP}' (id ${gid})"
	else
		gid=`${PW} show group ${GROUP} 2>/dev/null | cut -d: -f3`
	fi

	if ! ${PW} show user ${USER} -q >/dev/null; then
		uid=60
		while ${PW} show user -u ${uid} -q >/dev/null; do
			uid=`expr ${uid} + 1`
		done
		if ! ${PW} add user ${USER} -u ${uid} -g ${gid} -d "${uhome}" \
				-c "the cyrus mail server" -s "${shell}" -p "*" \
				; then
			e=$?
			echo "*** Failed to add user \`${USER}'. Please add it manually."
			exit ${e}
		fi
		echo "*** Added user \`${USER}' (id ${uid})"
	else
		if ! ${PW} mod user ${USER} -g ${gid} -d "${uhome}" \
				-c "the cyrus mail server" -s "${shell}" -p "*" \
				; then
			e=$?
			echo "*** Failed to update user \`${USER}'."
			exit ${e}
		fi
		echo "*** Updated user \`${USER}'."
	fi
	if ! ${PW} group mod ${USER} -m daemon; then
		echo "*** can't add user \`${USER}' to group \`${GROUP}'"
	fi
}

create_sasldb() {
	if [ ! -f ${SASLDB_NAME} ]; then
		echo "test" | ${PKG_PREFIX}/sbin/saslpasswd -p -c cyrus
		if [ `${PKG_PREFIX}/sbin/sasldblistusers | wc -l` -eq 0 ] ; then
                        echo "WARNING: Failed to create ${PKG_PREFIX}/etc/$SASLDB_NAME}"
                else
			${PKG_PREFIX}/sbin/saslpasswd -d cyrus
			chown cyrus:mail ${SASLDB_NAME}
			chmod 640 ${SASLDB_NAME}
		fi
	fi
}

# This should really be installed by Sendmail

sendmail_conf() {
	if [ ! -f ${PKG_PREFIX}/lib/sasl/Sendmail.conf ]; then
		echo "pwcheck_method: pwcheck" > ${PKG_PREFIX}/lib/sasl/Sendmail.conf
	fi
}

case $2 in
	PRE-INSTALL)
		create_user
		;;
	POST-INSTALL)
		if [ "${PKG_BATCH}" = "NO" ]; then
			create_sasldb
			sendmail_conf
		fi
		;;

esac