freebsd-ports/security/cyrus-sasl/pkg-deinstall

#!/bin/sh
#
#	$FreeBSD$
#
# Created by: hetzels@westbend.net

#set -vx

PKG_BATCH=${BATCH:=NO}

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

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

CYRUS_USER=${CYRUS_USER:=%%CYRUS_USER%%}
CYRUS_GROUP=${CYRUS_GROUP:=%%CYRUS_GROUP%%}

remove_file()
{
	file=$1

	if cmp -s ${file} ${file}.tmp; then
		rm -f ${file}
	fi
	rm -f ${file}.tmp
}

# delete sasldb database

delete_sasldb() {
	if [ -f ${SASLDB_NAME} ] ; then
		if [ `${PKG_PREFIX}/sbin/sasldblistusers | wc -l` -eq 0 ] ; then
			rm ${SASLDB_NAME}
		else
			echo "WARNING: Users SASL passwords are in ${SASLDB_NAME}, keeping this file"
		fi
	fi
}

delete_user() {
	if pw usershow ${CYRUS_USER} 2>/dev/null 1>&2; then
		echo "To delete Cyrus user permanently, use 'pw userdel ${CYRUS_USER}'"
	fi
	if pw groupshow ${CYRUS_GROUP} 2>/dev/null 1>&2; then
		echo "To delete Cyrus group permanently, use 'pw groupdel ${CYRUS_GROUP}'"
	fi

}

# This should really be uninstalled by Sendmail

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

case $2 in
	DEINSTALL)
		delete_sasldb
		sendmail_conf
		;;
	POST-DEINSTALL)
		delete_user
		;;

esac