How to for ldap_search task.

git-svn-id: https://svn.lusy.fri.uni-lj.si/kpov-public-svn/kpov-public@378 5cf9fbd1-b2bc-434c-b4b7-e852f4f63414

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@@ -1,23 +1,74 @@
-<html>
-<head>
-<meta http-equiv=Content-Type content="text/html; charset=utf-8">
-</head>
-<body>
-<h1>Task: ldap search</h1>
-<p>
-<h2>Summary</h2>
-Create 2 virtual sistems called SimpleArbiterDhcp and LDAPServer. Using SimpleArbiterDhcp connect to the LDAP server on the other virtual sistem and create an user.
-</p>
-<p>
-<h2>Instructions</h2>
-  1. Download disk SimpleArbiterDhcp from the page where drives for our tasks are.
-  2. Using the downloaded drive, create a new virtual machine called SimpleArbiterDhcp in Virtualbox(Image 1)
-  3. Create a second virtual machine called LDAPServer.
-  4. Log in using username root and password kaboom.
-  5. Set up the LDAP server on the LDAPServer machine using apt-get install ldap-utils.(Image 2)
-  6. After you have done that, restart the server.
-  7. From SimpleArbiterDhcp connect to the LDAP server on the machine LDAPServer.
-  8. Create an user or supervise the data you need on the server.
-</p>
-</body>
-</html>
+<!DOCTYPE html>

+<html>

+<head>

+	<title>ldap_search</title>

+	<meta charset="utf-8">

+</head>

+<body>

+</body>

+<h1>ldap_search</h1>

+<h2>Purpose of the exercise</h2>

+<p>How to setup a LDAP Server, to add entries to a LDAP Server, and to change users' rights to be able to add entries and change the attributes of entries.</p>

+

+<h2>How To</h2>

+

+<ol>

+	<li>Create two virtual machines, <b>SimpleArbiterDhcpGWLDAP</b>(simpleArbiterDhcpGWLDAP.vdi) and <b>LDAPServer</b>(student-LDAPServer.vdi).

+	<br><img src="Pic1.jpg" alt="No img" width=600 height=400></li>

+	<br>

+	<li>Change the network settings to both virtual machines. <b>SimpleArbiterDhcpGWLDAP</b>: Adapter 1 is set to "NAT" for internet access and

+	adapter 2 to "internal network" for local network. <b>LDAPServer</b>: Adapter 1 set to "internal network" sot that it is in the same internal network as SimpleArbiterDhcpGWLDAP.

+	<br><img src="Pic2.1.jpg" alt="No img" width=600 height=400>

+	<br><img src="Pic2.2.jpg" alt="No img" width=600 height=400>

+	<br><img src="Pic2.3.jpg" alt="No img" width=600 height=400></li>

+	<br>

+	<li>In <b>SimpleArbiterDhcpGWLDAP</b> log in as user "tester", in <b>LDAPServer</b> log in as user "root", run the command <b>"apt-get update"</b> to update the list of packages and

+	open up another terminal by pressing <b>"ALT+F2"</b> and log in as user "student".</li>

+	<br>

+	<li>In <b>LDAPServer</b> run the command <b>"apt-get install slapd ldap-utils"</b> to install these packages which are the LDAP server and tools to access and manage the LDAP server.

+	<br>During the LDAP server installation you'll have to provide the password for the user "admin", the administrator of the server and confirm the password chosen.</li>

+	<br>

+	<li>Configure the LDAP server by choosing the appropriate domain name and other configuration parameters. Execute the commmand <b>"dpkg-reconfigure slapd"</b>.

+	<br><img src="Pic3.1.jpg" alt="No img" width=600 height=400>

+	<br><img src="Pic3.2.jpg" alt="No img" width=600 height=400>

+	<br><img src="Pic3.3.jpg" alt="No img" width=600 height=400>

+	<br><img src="Pic3.4.jpg" alt="No img" width=600 height=400>

+	<br><img src="Pic3.5.jpg" alt="No img" width=600 height=400>

+	<br><img src="Pic3.6.jpg" alt="No img" width=600 height=400>

+	<br><img src="Pic3.7.jpg" alt="No img" width=600 height=400>

+	<br><img src="Pic3.8.jpg" alt="No img" width=600 height=400>

+	<br>a) If you will configure the <b>"slapd"</b> again don't forget to remove the old database <b>"rm -rf /var/backups/unknown-2.4.44+dfsg-2.ldapdb"</b>.</li>

+	<br>

+	<li>Now that the LDAP server is configured for use, try to open a third console and log in  as user "student" and execute the command <b>"ldapsearch -D cn=admin,dc=ceres-20,dc=kpov,

+	dc=lusy,dc=fri,dc=uni-lj,dc=si -W -b dc=ceres-20,dc=kpov,dc=lusy,dc=fri,dc=uni-lj,dc=si"</b>, which will show the entries in the server.

+	<br>Because you will be using a lot the domain name to access the LDAP server you can set the environment variable "D", which will allow for quicker typing of commands.

+	<br><b>"export D=dc=ceres-20,dc=kpov,dc=lusy,dc=fri,dc=uni-lj,dc=si"</b>

+	<br><b>"ldapsearch -D cn=admin,$D -wvaje -b $D"</b></li>

+	<br>

+	<li>Create the file(LDIF format) "users.ldif" which will contain the objects(users) that we want to add to the LDAP server database.

+	<br><img src="Pic4.jpg" alt="No img" width=600 height=400>

+	<br>Execute the following command to add users to the LDAP server:

+	<br><b>"ldapadd -D cn=admin,$D -wvaje -f users.ldif"</b>

+	<br>Add password to the users added to the LDAP server:

+	<br><b>"ldappasswd -D cn=admin,$D -wvaje -sj2531e cn=ninavidmar,ou=users,$D"</b>

+	<br><b>"ldappasswd -D cn=admin,$D -wvaje -scTyRM0 cn=natalijaribnikar39,ou=users,$D"</b>

+	<br>Execute command <b>"ldapsearch -D cn=natalijaribnikar39,ou=users,$D -wcTyRM0 -b $D"</b> to bind to the LDAP server with the newly added user <b>"natalijaribnikar39"</b> and to see the entries currently in the LDAP server.

+	<br><img src="Pic5.jpg" alt="No img" width=600 height=400></li>

+	<br>

+	<li>In order to change the users' rights settings, which allows a user to add entries to the directory and change values of attributes of entries in the directory you need to create an additional file acl.ldif:

+	<br>To see which backend database is used and other settings related to the users' rights execute command <b>"ldapsearch -Y EXTERNAL -H ldapi:/// -b cn=config"</b> as root user in the system,  which does not need the user authentication to the LDAP server.

+	<br><img src="Pic6.jpg" alt="No img" width=600 height=400>

+	<br>The settings in the acl.ldif file:

+	<br><img src="Pic7.jpg" alt="No img" width=600 height=400>

+	<br>Now to change users' rights run the command <b>"ldapmodify -Y EXTERNAL -H ldapi:/// -f acl.ldif"</b> as user "root" in the system.</li>

+	<br>

+	<li>The user <b>"natalijaribnikar39"</b> has the right to add or change objects in the LDAP server.

+	<br>Now try to bind to the LDAP server using <b>"natalijaribnikar39"</b> user's credentials and add a new user to the server directory.

+	<br><b>"ldapadd -D cn=natalijaribnikar39,ou=users,$D -wcTyRM0 -f newuser.ldif"</b></li>

+	<br>

+	<li>Now to test your result go to the <b>SimpleArbiterDhcpGWLDAP</b> virtual machine and run <b>"./test_task.py"</b> to run the test and see your score.

+	<br><img src="Pic8.jpg" alt="No img" width=600 height=400></li>

+

+</ol>

+

+</html>