Set nextfreeunixid in ldap server

setnextfreeunixid

#!/bin/sh

# ---------------------------------------------------------------------	#
# setnextfreeunixid	: Set nextfreeunixid in ldap server allow	#
#			  smbldap-tools to start adding account at the	#
#			  appropriate place.				#
#									#
# version 0.1		: cj (2004-12-20) initial.			#
# ---------------------------------------------------------------------	#

[ `id -u` != 0 ] && echo "Need root priviledge!" && exit
[ -z "$1" ] && echo "Usage: $0 newid" && exit

BASEDN="dc=local,dc=net"
ADMINDN="cn=admin,$BASEDN"
SECRET=`cat /etc/ldap.secret`

lowerlimit=1000
upperlimit=65000

tmpfile=/tmp/$$.`basename $0`.log

id="$1"

[ $id -lt $lowerlimit ] && echo "id must greater than $lowerlimit" && exit
[ $id -gt $upperlimit ] && echo "id should less than $upperlimit" && exit

oldid=`ldapsearch -x sn=nextfreeunixid | grep uidNumber | cut -f2 -d' '`

[ $id -eq $oldid ] && echo "id already be $id, not change!" && exit

echo	"# $tmpfile"				>  $tmpfile
echo 	"dn: cn=NextFreeUnixId,$BASEDN"		>> $tmpfile
echo	"changetype: modify"			>> $tmpfile
echo	"delete: uidNumber"			>> $tmpfile
echo	"uidNumber: $oldid"			>> $tmpfile
echo	"-"					>> $tmpfile
echo	"add: uidNumber"			>> $tmpfile
echo	"uidNumber: $id"			>> $tmpfile

ldapmodify -D $ADMINDN -w $SECRET -x -ZZ -f $tmpfile
rm -f $tmpfile

# ---------------------------------------------------------------------	#
# end of file								#
# ---------------------------------------------------------------------	#