#!/bin/bash
function usage(){
	echo -e "usage\n"
}
if [ $# -lt 2 ]; then
	usage
fi

capture_diagnostics() {                                                 # {{{
# Run the command passed and capture the diagnostic output in a temporary
# file. You can dump that file using release_diagnostics.

        # Create the temporary file
        local tmpfile
        tmpfile=`mktemp`
        exec 7<>"$tmpfile"
        rm "$tmpfile"

        # Run the program and capture stderr. If the program fails the
        # function fails with the same status.
        echo $tmpfile
        "$@" 2>&7 || { rc=$?; echo $rc ; return $rc ;}
}

OPTION=$1
BACKUPFILE=$2
BACKUPDIR=$(mktemp -d)
case $OPTION in 
dump)
	
	systemctl stop slapd
	slapcat -n 0 > ${BACKUPDIR}/config.ldif
	slapcat -n 1 > ${BACKUPDIR}/data.ldif
	mkdir -p ${BACKUPDIR}/install/etc/default
	mkdir -p ${BACKUPDIR}/install/etc/lliurex-secrets/passgen/
	mkdir -p ${BACKUPDIR}/install/etc/ldap/ssl
	rsync -ptgox /etc/ldap/ssl/slapd.cert ${BACKUPDIR}/install/etc/ldap/ssl/
	rsync -ptgox /etc/ldap/ssl/slapd.key ${BACKUPDIR}/install/etc/ldap/ssl/
	rsync -ptgox /etc/default/slapd  ${BACKUPDIR}/install/etc/default/
	rsync -ptgox /etc/lliurex-secrets/passgen/ldap.secret ${BACKUPDIR}/install/etc/lliurex-secrets/passgen/
	systemctl start slapd
	
	tar -czf $BACKUPFILE -C $BACKUPDIR .
	# crear un tar.gz con los ficheros

	;;
restore)

	tar -xzf $BACKUPFILE -C $BACKUPDIR	

	SLAPD_CONF="/etc/ldap/slapd.d"
	SLAPD_DB_PATH="/var/lib/ldap"
	SLAPD_USER="openldap"
	SLAPD_GROUP="openldap"
	SLAPD_RUN="/run/slapd"

	systemctl stop slapd
	rm -rf ${SLAPD_CONF} || true
	mkdir -p -m 0755 $SLAPD_CONF
	chown ${SLAPD_USER}:${SLAPD_GROUP} $SLAPD_CONF || die "On /etc/default/slapd aren't SLAPD_USER or SLAPD_GROUP variable"

	rm -rf $SLAPD_DB_PATH || true
	mkdir -m 0700 $SLAPD_DB_PATH || true
	chown ${SLAPD_USER}:${SLAPD_GROUP} $SLAPD_DB_PATH || die "On /etc/default/slapd aren't SLAPD_USER or SLAPD_GROUP variable"

	SLAPD_RUN="/run/slapd"
	rm -rf $SLAPD_RUN || true
	mkdir -m 0755 $SLAPD_RUN || true
	chown ${SLAPD_USER}:${SLAPD_GROUP} $SLAPD_RUN || die "On /etc/default/slapd aren't SLAPD_USER or SLAPD_GROUP variable"


	capture_diagnostics slapadd -F "${SLAPD_CONF}" -b "cn=config" -l ${BACKUPDIR}/config.ldif
	chown -R ${SLAPD_USER}:${SLAPD_GROUP} $SLAPD_CONF || die "On /etc/default/slapd aren't SLAPD_USER or SLAPD_GROUP variable"

	capture_diagnostics slapadd -l ${BACKUPDIR}/data.ldif
	chown -R ${SLAPD_USER}:${SLAPD_GROUP} $SLAPD_DB_PATH || die "On /etc/default/slapd aren't SLAPD_USER or SLAPD_GROUP variable"

	rsync -ax ${BACKUPDIR}/install/* /
	chmod 600 /etc/lliurex-secrets/passgen/ldap.secret
	systemctl start slapd 
	
	;;
esac