#!/bin/bash
#
# iRedMail LDAP Restore
#  - uses slapcat restore
#  - based on:
#     http://www.iredmail.org/wiki/index.php?title=IRedMail/FAQ/Backup#How_to_restore_from_LDIF_file
 
BACKUPFILE="2013.01.29.03.00.02.ldif" 
iRedMailDir="/root/iRedMail-0.8.3"

BACKUPDIR="/root/ldap_backup"                       # No Trailing Slash!
BACKUPYR=`date | awk -F' ' {'printf("%s\n"), $6'};`
BACKUPM=`date | awk -F' ' {'printf("%s\n"), $2'};`
 
# Not the most elegant solution, but it works
# Put together all of the above to create a path
BACKUPPATH=`echo $BACKUPDIR"/"$BACKUPYR"/"$BACKUPM"/";`  

SERVICE=slapd;
SERVICECMD=/sbin/service;
SLAPD=/etc/openldap/slapd.conf
LDAPDIRPATH=/var/lib/ldap/heroesinc.us
SLAPADD=`which slapadd`

# Get Started

echo ""
echo "Beginning LDAP Restoration..." 

# Ensure the backup directory exists and go there. 

if [ -d $BACKUPPATH ]
  then
    echo "Directory $BACKUPPATH exists!" 
    cd $BACKUPPATH
  else
    echo "Creating directory $BACKUPPATH"
    mkdir -p $BACKUPPATH
    cd $BACKUPPATH
fi 

# Ensure backup exists or go fetch it. 

if [ -f $BACKUPFILE ]
   then
     echo "Found $BACKUPFILE!"
   else
     echo "ERROR: Please copy your LDIF file to $BACKUPPATH. Exiting..."
     exit
fi

# Ensure LDAP Server is NOT running!!! 

if ps ax | grep -v grep | grep $SERVICE > /dev/null
    then
      echo "$SERVICE service running, shutting it down..."
      $SERVICECMD $SERVICE stop
    else
      echo "$SERVICE is not running..."
fi

# Backup old LDAP dbs

# This doesn't work:
#
#echo "Determine ldap path..."
#TDCTMP=`cat $SLAPD | grep directory | awk -F" " {'printf("%s\n"),  $2'};`
#LDAPDIRPATH=`echo $TDCTMP | awk -F"\n" {'printf("%s\n"), $1'};`
#echo "... path is $LDAPDIRPATH"

if [ "$(ls -A $LDAPDIRPATH)" ]; then
     echo "Moving old LDAP data from $LDAPDIRPATH to $BACKUPPATH"
     mv $LDAPDIRPATH/* $BACKUPPATH
else
     echo "ERROR: $LDAPDIRPATH is empty, data missing."
     echo " exiting."
     exit
fi

# Check for successful backup 

echo "Verifying Backup..."
if [ "$(ls -A $LDAPDIRPATH)" ]; then
       echo "ERROR: $LDAPDIRPATH is not Empty, backup failed!  Exiting..."
       exit
     else
       echo "$LDAPDIRPATH is Empty, backup verified."
fi

# Restore new db

echo "Restoring database..."
cp $BACKUPPATH/DB_CONFIG $LDAPDIRPATH
$SLAPADD -f $SLAPD -l $BACKUPPATH/$BACKUPFILE 

# fix permissions

chown ldap:ldap $LDAPDIRPATH/*

# Restart LDAP db

$SERVICECMD $SERVICE start
$SERVICECMD $SERVICE restart
echo "Restore Complete!"
echo "Now login to phpLDAPAdmin and reset the passwords for vmail and vmailadmin to these:"
cat $iRedMailDir/iRedmail.tips | grep cn=vmail