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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}

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

create_user() {
	if [ ! -x /usr/sbin/pw ]; then
		echo "*** Please add a user and a group named \`cyrus' before installing this package."
		exit 69
	fi

	if ! pw show group cyrus -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 cyrus -g ${gid}; then
			e=$?
			echo "*** Failed to add group \`cyrus'. Please add it manually."
			exit ${e}
		fi
		echo "*** Added group \`cyrus' (id ${gid})"
	else
		gid=`pw show group cyrus 2>/dev/null | cut -d: -f3`
	fi

	if [ -x /sbin/nologin ]; then
		shell=/sbin/nologin
	else
		shell=/nonexistent
	fi
	if ! pw show user cyrus -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 cyrus -u ${uid} -g ${gid} -d "/nonexistent" \
				-c "the cyrus mail server" -s "${shell}" -p "*" \
				; then
			e=$?
			echo "*** Failed to add user \`cyrus'. Please add it manually."
			exit ${e}
		fi
		echo "*** Added user \`cyrus' (id ${uid})"
	else
		if ! pw mod user cyrus -g ${gid} -d "/nonexistent" \
				-c "the cyrus mail server" -s "${shell}" -p "*" \
				; then
			e=$?
			echo "*** Failed to update user \`cyrus'."
			exit ${e}
		fi
		echo "*** Updated user \`cyrus'."
	fi
	if ! pw group mod cyrus -m daemon; then
		echo "*** can't add user \`daemon' to group \`cyrus'"
	fi
}

create_sasldb() {
	if [ ! -f ${PGK_PREFIX}/etc/sasldb.db ]; then
		touch ${PKG_PREFIX}/etc/sasldb.db
		chown cyrus:mail ${PKG_PREFIX}/etc/sasldb.db
		chmod 640 ${PKG_PREFIX}/etc/sasldb.db
	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
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