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#!/bin/bash
#
# Backup LDAP directories
#
# This script can be put in cron to create backups.
#
# Author:  Matthijs Mohlmann <matthijs@cacholong.nl>
# Date:    Sat, 15 Jul 2006 21:13:14 +0200
# License: GPLv2

# Make sure the backups are secured.
umask 077

BACKUPDIR="/var/backups/slapd"
DEFAULTS="/etc/default/slapd"

# Check if there is a directory slapd, otherwise create it.
if [ ! -d "$BACKUPDIR" ]; then
  mkdir -p -m 0700 "$BACKUPDIR"
fi

# Load default settings.
if [ -e "$DEFAULTS" ]; then
  . "$DEFAULTS"
fi

# Specify a slapd.conf if not specified.
if [ -z "$SLAPD_CONF" ]; then
  SLAPD_CONF="/etc/ldap/slapd.conf"
fi

# Set IFS to end of line.
ORIGIFS=$IFS
IFS=`echo -en "\n\b"`

# Backup recursive through all configfiles all suffix's in the form:
# suffix.ldif in /var/backups/slapd
function backupDirectories() {
  local conf=$1
  local directory=""
  local include=""

  suffix=`grep "^suffix" $conf | sed -e "s/\(^suffix\s\+\|\"\|\'\)//g"`
  for directory in "$suffix"; do
    if [ ! -z "$suffix" ]; then
      slapcat -l "$BACKUPDIR/$suffix.ldif" -b "$suffix"
    fi
  done

  includes=`grep "^include" $conf | awk '{print $2}'`
  for include in $includes; do
    backupDirectories "$include"
  done
}

backupDirectories "$SLAPD_CONF"

# Put IFS back.
IFS=$ORIGIFS

exit 0