Configure LDAP Server2011/03/09

aptitude -y install slapd ldap-utils

# Input LDAP admin password during installation

# check working

ldapsearch -LLL -Y EXTERNAL -H ldapi:/// -b cn=config dn

slappasswd

# set admin password to config directory

ldapmodify -Y EXTERNAL -H ldapi:///

# input follows ( set password generated above for 'olcRootPW' )

dn: olcDatabase={0}config,cn=config
add: olcRootPW
olcRootPW: {SSHA}XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

# push 'Ctrl+D' to quit

vi config.ldif

# create new

# change to your own suffix for the field 'dc=server,dc=world'

dn: olcDatabase={1}hdb,cn=config
changetype: modify
replace: olcSuffix
olcSuffix: dc=server,dc=world
-
replace: olcRootDN
olcRootDN: cn=admin,dc=server,dc=world
-
replace: olcAccess
olcAccess: to attrs=userPassword by dn="cn=admin,dc=server,dc=world" write by anonymous auth by self write by * none
olcAccess: to attrs=shadowLastChange by self write by * read
olcAccess: to dn.base="" by * read
olcAccess: to * by dn="cn=admin,dc=server,dc=world" write by * read
-

# edit 'olcDatabase={1}hdb'

ldapmodify -Y EXTERNAL -H ldapi:/// -f config.ldif

# check working

ldapsearch -xLLL -b cn=config -D cn=admin,cn=config -W olcDatabase={1}hdb

vi base.ldif

# create new

# change to your own suffix for the field 'dc=server,dc=world'

dn: dc=server,dc=world
objectClass: top
objectClass: dcObject
objectclass: organization
o: Server World
dc: Server
description: LDAP Server

dn: ou=people,dc=server,dc=world
objectClass: organizationalUnit
ou: people

dn: ou=groups,dc=server,dc=world
objectClass: organizationalUnit
ou: groups

ldapadd -x -D cn=admin,dc=server,dc=world -W -f base.ldif

vi ldapuser.sh

# extract local users who have 4-digit UID

# an example

#!/bin/bash

SUFFIX='dc=server,dc=world'
LDIF='ldapuser.ldif'

echo -n > $LDIF
for line in `grep "x:[1-9][0-9][0-9][0-9]:" /etc/passwd | sed -e "s/ /%/g"`
do
    UID1=`echo $line | cut -d: -f1`
    NAME=`echo $line | cut -d: -f5 | cut -d, -f1`
    if [ ! "$NAME" ]
    then
        NAME=$UID1
    else
        NAME=`echo $NAME | sed -e "s/%/ /g"`
    fi
    SN=`echo $NAME | awk '{print $2}'`
    if [ ! "$SN" ]
    then
        SN=$NAME
    fi
    GIVEN=`echo $NAME | awk '{print $1}'`
    UID2=`echo $line | cut -d: -f3`
    GID=`echo $line | cut -d: -f4`
    PASS=`grep $UID1: /etc/shadow | cut -d: -f2`
    SHELL=`echo $line | cut -d: -f7`
    HOME=`echo $line | cut -d: -f6`
    EXPIRE=`passwd -S $UID1 | awk '{print $7}'`
    FLAG=`grep $UID1: /etc/shadow | cut -d: -f9`
    if [ ! "$FLAG" ]
    then
        FLAG="0"
    fi
    WARN=`passwd -S $UID1 | awk '{print $6}'`
    MIN=`passwd -S $UID1 | awk '{print $4}'`
    MAX=`passwd -S $UID1 | awk '{print $5}'`
    LAST=`grep $UID1: /etc/shadow | cut -d: -f3`

    echo "dn: uid=$UID1,ou=people,$SUFFIX" >> $LDIF
    echo "objectClass: inetOrgPerson" >> $LDIF
    echo "objectClass: posixAccount" >> $LDIF
    echo "objectClass: shadowAccount" >> $LDIF
    echo "uid: $UID1" >> $LDIF
    echo "sn: $SN" >> $LDIF
    echo "givenName: $GIVEN" >> $LDIF
    echo "cn: $NAME" >> $LDIF
    echo "displayName: $NAME" >> $LDIF
    echo "uidNumber: $UID2" >> $LDIF
    echo "gidNumber: $GID" >> $LDIF
    echo "userPassword: {crypt}$PASS" >> $LDIF
    echo "gecos: $NAME" >> $LDIF
    echo "loginShell: $SHELL" >> $LDIF
    echo "homeDirectory: $HOME" >> $LDIF
    echo "shadowExpire: $EXPIRE" >> $LDIF
    echo "shadowFlag: $FLAG" >> $LDIF
    echo "shadowWarning: $WARN" >> $LDIF
    echo "shadowMin: $MIN" >> $LDIF
    echo "shadowMax: $MAX" >> $LDIF
    echo "shadowLastChange: $LAST" >> $LDIF
    echo >> $LDIF
done

sh ldapuser.sh

ldapadd -x -D cn=admin,dc=server,dc=world -W -f ldapuser.ldif

vi ldapgroup.sh

# extract local groups who have 4-digit UID

# an example

#!/bin/bash

SUFFIX='dc=server,dc=world'
LDIF='ldapgroup.ldif'

echo -n > $LDIF
for line in `grep "x:[1-9][0-9][0-9][0-9]:" /etc/group`
do
    CN=`echo $line | cut -d: -f1`
    GID=`echo $line | cut -d: -f3`
    echo "dn: cn=$CN,ou=groups,$SUFFIX" >> $LDIF
    echo "objectClass: posixGroup" >> $LDIF
    echo "cn: $CN" >> $LDIF
    echo "gidNumber: $GID" >> $LDIF
    users=`echo $line | cut -d: -f4 | sed "s/,/ /g"`
    for user in ${users} ; do
        echo "memberUid: ${user}" >> $LDIF
    done
    echo >> $LDIF
done

sh ldapgroup.sh

ldapadd -x -D cn=admin,dc=server,dc=world -W -f ldapgroup.ldif

ldapdelete -x -W -D 'cn=admin,dc=server,dc=world' "uid=debian,ou=people,dc=server,dc=world"

ldapdelete -x -W -D 'cn=admin,dc=server,dc=world' "cn=debian,ou=groups,dc=server,dc=world"