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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() {
    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 ${SASLDB_NAME} ]; then
        echo "test" | ${PKG_PREFIX}/sbin/saslpasswd -p -c cyrus
        ${PKG_PREFIX}/sbin/saslpasswd -d cyrus
        chown cyrus:mail ${SASLDB_NAME}
        chmod 640 ${SASLDB_NAME}
    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