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LDAP

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Нужна минимальная инсталляция LDAP для интеграции CD/CD инструментов - gerrit и jenkins

Assumptions

  • Server IP: 192.168.56.102
  • Server Name: cicd
  • Root DN: demo
  • Any password (for all users): r00tme
  • OS: Ubunti 14.04

Подготовка

  • add key
mkdir -p /root/.ssh
/root/.ssh/authorized_keys

Установка пакетов:

sudo apt-get update
sudo apt-get install slapd ldap-utils phpldapadmin mc vim strace tcpdump tcpflow 

После установки

Check for running processes:

ps -auxfw

<SKIP>

openldap  3945  0.0  0.2 194060  8276 ?        Ssl  11:24   0:00 /usr/sbin/slapd -h ldap:/// ldapi:/// -g openldap -u openldap -F /etc/ldap/slapd.d
root      5073  0.0  0.7 241084 22484 ?        Ss   11:24   0:00 /usr/sbin/apache2 -k start
www-data  5076  0.0  0.2 241108  7324 ?        S    11:24   0:00  \_ /usr/sbin/apache2 -k start
www-data  5077  0.0  0.2 241108  7324 ?        S    11:24   0:00  \_ /usr/sbin/apache2 -k start
www-data  5078  0.0  0.2 241108  7324 ?        S    11:24   0:00  \_ /usr/sbin/apache2 -k start
www-data  5079  0.0  0.2 241108  7324 ?        S    11:24   0:00  \_ /usr/sbin/apache2 -k start
www-data  5080  0.0  0.2 241108  7324 ?        S    11:24   0:00  \_ /usr/sbin/apache2 -k start

Настройка

dpkg-reconfigure slapd

Configure Password: r00tme
Ldap1.png

Configure root DN: demo for this demo.
Ldap2.png

Check configuration

2 steps to check configuration:

  • chack with slapcat which shows data directly from files even if OpenLDAP server process is not running.
  • Check with ldapsearch, which operate as ldap client.

slapcat

slapcat

Result:

dn: dc=demo
objectClass: top
objectClass: dcObject
objectClass: organization
o: demo
dc: demo
structuralObjectClass: organization
entryUUID: 2dd35bc8-85f2-1035-8d51-1b798eec3e6d
creatorsName: cn=admin,dc=demo
createTimestamp: 20160324095443Z
entryCSN: 20160324095443.807089Z#000000#000#000000
modifiersName: cn=admin,dc=demo
modifyTimestamp: 20160324095443Z

dn: cn=admin,dc=demo
objectClass: simpleSecurityObject
objectClass: organizationalRole
cn: admin
description: LDAP administrator
userPassword:: e1NTSEF9akxUN0FaVGN2OGg4d0FPcHNQWHJPWG8wL3VleXJIaWs=
structuralObjectClass: organizationalRole
entryUUID: 2dd3e822-85f2-1035-8d52-1b798eec3e6d
creatorsName: cn=admin,dc=demo
createTimestamp: 20160324095443Z
entryCSN: 20160324095443.810666Z#000000#000#000000
modifiersName: cn=admin,dc=demo
modifyTimestamp: 20160324095443Z


As you can see we have

  • dn: dc=demo (root object)
  • dn: cn=admin,dc=demo (admin user)

ldapsearch

Check admin passwod (connection to LDAP with ldapsearch):

  • user: cn=admin,dc=demo
  • search base (:where to search from") dc=demo
ldapsearch -D "cn=admin,dc=demo" -w r00tme -b "dc=demo"

Result:

dn: dc=demo
objectClass: top
objectClass: dcObject
objectClass: organization
o: demo
dc: demo

# admin, demo
dn: cn=admin,dc=demo
objectClass: simpleSecurityObject
objectClass: organizationalRole
cn: admin
description: LDAP administrator
userPassword:: e1NTSEF9akxUN0FaVGN2OGg4d0FPcHNQWHJPWG8wL3VleXJIaWs=

search: 2
result: 0 Success

So now we have OpenLDAP server with

PHP LdapAdmin

Configuration

In file /etc/phpldapadmin/config.php change 2 lines:

$servers->setValue('server','base',array('dc=demo'));
$servers->setValue('login','bind_id','cn=admin,dc=demo');

This changes are configured phpldapadmin to use correct root dn and default user.

Check


Ldap3.png

Log-in with credentials

  • Login name: cn=amin, dc=demo
  • Password: r00tme


Ldap5.png

See LDAP tree with 2 objects:

  • root dc=demo
  • admin user


Ldap4.png

Links

Ссылки