#!/bin/sh
# Univention LDAP Server
#  creates an LDIF backup on UCS Primary and Backup Directory Nodes
#
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# Copyright 2001-2023 Univention GmbH
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# The source code of this program is made available
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# (GNU AGPL V3) as published by the Free Software Foundation.
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. /usr/share/univention-lib/backup.sh
eval "$(univention-config-registry shell server/role slapd/backup/owner slapd/backup/group slapd/backup/permissions)"

if [ "$server_role" = "domaincontroller_master" -o "$server_role" = "domaincontroller_backup" ]; then
	currentdate=$(date +%Y%m%d)
	ldapbackupname="/var/univention-backup/ldap-backup_${currentdate}.ldif"
	ldapbackuplog="/var/univention-backup/ldap-backup_${currentdate}.log"

	# Default backup
	touch "$ldapbackupname" "$ldapbackuplog"
	chmod 600 "$ldapbackupname" "$ldapbackuplog"

	slapcat -f /etc/ldap/slapd.conf -l "$ldapbackupname" 2>"$ldapbackuplog"
	rc=$?
	gzip -9 "$ldapbackupname" "$ldapbackuplog" -f 2>/dev/null
	chmod 600 "${ldapbackupname}.gz" "${ldapbackuplog}.gz"

	if [ $rc -ne 0 ]
	then
		echo "LDAP could not be dumped!" >&2
		exit 1
	fi

	clean_old_backups 'ldap-backup_.*\.\(log\|ldif\)\(\.gz\)?'

	# Attempt backup with user variables
	chown "${slapd_backup_owner}":"${slapd_backup_group}" "${ldapbackupname}.gz" "${ldapbackuplog}.gz" &&
		chmod "${slapd_backup_permissions}" "${ldapbackupname}.gz" "${ldapbackuplog}.gz" ||
		chown 0:0 "${ldapbackupname}.gz" "${ldapbackuplog}.gz"
fi
