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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%%

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

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

create_user() {
    USER=${CYRUS_USER}
    GROUP=${CYRUS_GROUP}
    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
}

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 ${SASLDB_NAME}"
                else
            ${PKG_PREFIX}/sbin/saslpasswd -d cyrus
            chown ${CYRUS_USER}: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_METHOD%%" > ${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