Archive | LDAP

OpenLDAP Backtrace

By admin on August 9, 2004 in LDAP

http://www.openldap.org/faq/data/cache/59.html

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OpenLDAP as Global Addres Book

By admin on July 31, 2004 in LDAP, Linux, RedHat

GOAL: Setup OpenLDAP for use as a Global Address Book by Microsoft Outlook and SquirrelMail webmail clients. ENVIRONMENT: Red Hat Linux Advanced Server release 2.1AS (Pensacola) INSTRUCTIONS: 1. Install Berkeley DB software. > cd /usr/local/archive > wget http://www.sleepycat.com/update/snapshot/db-4.2.52.tar.gz > tar -xvzf db-4.2.52.tar.gz > cd db-4.2.52 > cd build_unix/ > ../dist/configure > make > make install 2. Install OpenLDAP software. > cd /usr/local/archive > wget ftp://ftp.openldap.org/pub/OpenLDAP/openldap-release/openldap-2.2.4.tgz > tar -xvzf openldap-2.2.4.tgz Next create a build.sh script with the following: #!/bin/bash env CPPFLAGS="-I/usr/local/BerkeleyDB.4.2/include" \ LDFLAGS="-L/usr/local/BerkeleyDB.4.2/lib" ./configure \ --prefix /usr/local/openldap-2.2.4 Make the script executable and run it: > chmod 755 build.sh > ./build.sh Now finish the build: > make depend > make > make install 3. Install Webmin. See webmin.txt 4. Install perl modules. > wget http://theoryx5.uwinnipeg.ca/cpan/authors/id/P/PE/PETDANCE/Test-Harness-2.40.tar.gz > tar -xvzf Test-Harness-2.40.tar.gz > cd Test-Harness-2.40 > perl Makefile.PL > make > make test > make install > wget http://theoryx5.uwinnipeg.ca/cpan/authors/id/M/MS/MSCHWERN/Test-Simple-0.47.tar.gz > tar -xvzf Test-Simple-0.47.tar.gz > cd Test-Simple-0.47 > perl Makefile.PL > make > make test > make install > wget http://theoryx5.uwinnipeg.ca/cpan/authors/id/G/GB/GBARR/Convert-ASN1-0.18.tar.gz > tar -xvzf Convert-ASN1-0.18.tar.gz > cd Convert-ASN1-0.18 > perl Makefile.PL > make > make test > make install 5. Install OpenLdap2 module for Webmin: a. Download the module: > cd /usr/local/archive > wget http://gaia.anet.fr/webmin/openldap/releases/openldap2-0_1.wbm b. Login to Webmin. c. Select Webmin icon from top menu bar. d. Select Webmin Configuration icon. e. Select Webin Modules icon. f. In the Install Module form select "From local file" and enter the path: /usr/local/archive/openldap2-0_1.wbm g. Press the Install Module From File button to install the module. 6. Configure OpenLDAP Webmin module. a. Login to Webmin. b. Select the Servers icon from the top menu bar. c. Select the "OpenLDAP Server 2" icon. The following error message will be displayed: "It was not possible to read your configuration file for slapd. Please check int the module configuration that the path for this file is correct." d. Select the Module Config tab. e. Enter the following config options into the form: Path to slapd.conf file: /usr/local/openldap-2.2.4/etc/openldap/slapd.conf Command to apply changes: service slapd restart Command to start slapd: service slapd start Command to stop slapd: service slapd stop Port number daemon slapd is listening to: 389 Path to slapd daemon: /usr/local/openldap-2.2.4/libexec/slapd LDAP Properties for all new users: objectClass: inetorgperson objectClass: top Email domain for mail attribute: acme.com f. Press the Save button. You will be returned to the main OpenLDAP config screen. 7. Apply BDB support patch to OpenLdap2 Webmin module. > cd /usr/local/archive > wget http://www.reliablepenguin.com/projects/ldap/openldap2_webmin_bdb.patch > cd /usr/libexec/webmin/openldap2 > patch -Np5 < /usr/local/archive/openldap2_webmin_bdb.patch 8. Setup slapd service: > cd /usr/local/archive > wget http://www.reliablepenguin.com/clients/misc/slapd.service > cp slapd.service /etc/init.d/slapd > chkconfig --add slapd > chkconfig --level 35 slapd on 9. Generate directory administrator's password: > /usr/local/openldap-2.2.4/sbin/slappasswd -h {MD5} You will be prompted to enter a password and then the crypted version of the password will be displayed: New password: Re-enter new password: {MD5}risfylFZSeXVT7IrjtlVdQ== The crypted password is "{MD5}risfylFZSeXVT7IrjtlVdQ==". Save this string for use in the next step. 10. Configure OpenLDAP via Webmin. a. Login to Webmin. b. Select the Servers icon from top menu bar. c. Select the "OpenLdap Server 2" icon. d. Delete the default backend definition by selecting the predefined backend named "dc=my-domain,dc=com". Press the delete button at the bottom of the screen and when prompted confirm the deletion. e. Define a new backend by selecting the "Add backend" link. The "Add Backend" form will be displayed. Enter the suffix: c=US Set the backend type to "bdb". Press the "Create backend" button at the bottom of the form. Next a form for setting backend options will be displayed. Set the following fields under "General Backend Options" : Directory : /usr/local/openldap-2.2.4/var/openldap-us-data Press the "Save" button at the bottom of the form to save changes and return to the "Global Options" screen. f. Define a new backend by selecting the "Add backend" link. The "Add Backend" form will be displayed. Enter a suffix like: dc=my-domain,dc=com Each component of your domain should be repesented by a domain component (dc) element. For example if your domain is "acme.com" then use: dc=acme,dc=com Or if your domain is "accounting.acme.com" then use: dc=accounting,dc=acme,dc=com Set the backend type to "bdb". Press the "Create backend" button at the bottom of the form. Next a form for setting backend options will be displayed. Set the following fields under "General Backend Options" : Administrator DN : cn=Administrator,dc=acme,dc=com Administrator Password : {paste in crypted password from previous step} Read Only : No Schema Check : Yes Default Access : None Last Modifiers : Yes Size Limit : 500 Time Limit : 120 Set the following fields under "BDB backend specific options" : Directory : /usr/local/openldap-2.2.4/var/openldap-data Cache Size : 1000 Max Search Stack Depth : 16 Files Protection Mode : 0600 Checkpoint Every : 100 10 DB No Sync : No Allow Dirty Reads : No IDL Cache Size : 0 SHM Key : leave blank Session Log Store : leave blank Deadlock Handling : Default Press the "Save" button at the bottom of the form to save changes and return to the "Global Options" screen. g. Select the "Include Files" icon at the bottom of the screen. Enter: /usr/local/openldap-2.2.4/etc/openldap/schema/cosine.schema into the "Create a new include file" field and press the "Create" button. Repeat this process to create include files for: /usr/local/openldap-2.2.4/etc/openldap/schema/nis.schema /usr/local/openldap-2.2.4/etc/openldap/schema/inetorgperson.schema h. Now start the slapd server: > service slapd start and run the following test query: > ldapsearch -x -b '' -s base '(objectclass=*)' namingContexts You should get results similar to: version: 2 # # filter: (objectclass=*) # requesting: namingContexts # # dn: namingContexts: dc=acme,dc=com # search result search: 2 result: 0 Success # numResponses: 2 # numEntries: 1 Now test the c=US referral is working: > ldapsearch -x -b "c=US" You should see results similar to: version: 2 # # filter: (objectclass=*) # requesting: ALL # # search result search: 2 result: 10 Referral matchedDN: c=US ref: ldap://mail.acme.com/dc=acme,dc=com??sub # numResponses: 1 11. Initialize the LDAP database. a. Create a file in /usr/local/openldap-2.2.4/etc/openldap named top.ldif with the following contents: dn: dc=acme,dc=com objectClass: top objectClass: dcObject objectClass: organization dc: acme o: Acme, Inc. description: Acme, Inc. dn: cn=Administrator,dc=acme,dc=com objectClass: organizationalRole cn: Administrator description: Directory Manager dn: ou=People,dc=acme,dc=com objectClass: top objectClass: organizationalUnit ou: People description: Container for people objects. dn: ou=Groups,dc=acme,dc=com objectClass: top objectClass: organizationalUnit ou: Groups description: Container for group objects. b. Import top.ldif into OpenLDAP using the slapadd command: > /usr/local/openldap-2.2.4/sbin/slapadd -v \ -f /usr/local/openldap-2.2.4/etc/openldap/slapd.conf \ -l /usr/local/openldap-2.2.4/etc/openldap/top.ldif c. Create directory for c=US database: > mkdir /usr/local/openldap-2.2.4/var/openldap-us-data c. Create a file in /usr/local/openldap-2.2.4/etc/openldap named top2.ldif with the following contents: dn: c=US objectClass: top objectClass: referral objectClass: extensibleObject c: US description: placeholder ref: ldap://mail.acme.com/dc=acme,dc=com b. Import top2.ldif into OpenLDAP using the slapadd command: > /usr/local/openldap-2.2.4/sbin/slapadd -v \ -f /usr/local/openldap-2.2.4/etc/openldap/slapd.conf \ -l /usr/local/openldap-2.2.4/etc/openldap/top2.ldif 12. Verify that required rpm packages are installed: > rpm -q openldap openldap-2.0.21-1 > rpm -q openldap-clients openldap-clients-2.0.21-1 > rpm -q auth_ldap auth_ldap-1.4.8-3 > rpm -q nss_ldap. nss_ldap-172-3 13. Configure nss_ldap and pam_ldap module. Edit /etc/ldap.conf a. Set host to the local machine. host 127.0.0.1 b. Set base to the same as used in the openldap config. base dc=acme,dc=com c. Set port to 389. port 389 d. Set the bind DN for root: rootbinddn cn=Administrator,dc=acme,dc=com e. Set scope to one level: scope one f. Set pam_filter: pam_filter objectclass=posixaccount g. Set pam_login_attribute: pam_login_attribute uid h. Set pam_member_attribute: pam_member_attribute uid i. Set pam_password: pam_password md5 j. Set object bases: nss_base_passwd ou=People,dc=acme,dc=com?one nss_base_shadow ou=People,dc=acme,dc=com?one nss_base_group ou=Groups,dc=acme,dc=com?one 14. Create a file at /etc named ldap.secret. Place in this file on a single line the password for the Administrator. Set the permissions on this file: > chmod 600 /etc/ldap.secret 15. Modify NSS config file. Change the passwd, shadow and group lines to read as follows: passwd: files ldap shadow: files ldap group: files ldap 16. Setup access controls. a. Login to Webmin. b. Select the Servers icon from the top menu bar. c. Select the "OpenLDAP 2 Server" icon. d. defaultaccess none access to dn.subtree="dc=acme,dc=com" attr=userPassword by dn="cn=root,dc=acme,dc=com" write by self write by * auth access to dn.subtree="ou=People,dc=acme,dc=com" by * read access to dn.subtree="dc=acme,dc=com" by * read access to dn.subtree="c=US" by * read 16. Login to webmin. Select System icon. Select LDAP Users and Groups. A message saying that Perl-LDAP is not installed will be displayed. Select the link to install this module. Import Users ============ cat import.ldif | ldapadd -h localhost \ -w adminpass -D "cn=Administrator,dc=acme,dc=net" -x CLIENT CONFIGURATION ==================== Outlook Express 6 1. Start Microsoft Outlook. 2. From the menu bar select Tools and then select Address Book. The Address Book window will be displayed. 3. Select Tools from the menu bar and then select Accounts. The Internet Accounts dialog will be displayed. 4. Press the Add button to create a new directory service definition. The "Internet Connection Wizard" will be displayed. The first screen of the wizard is titled "Internet Directory Serer Name". 5. In the "Internet directory (LDAP) server" field type the IP address or DNS domain name of the directory server. For this example we'll use "mail.acme.com". Do not check the "My LDAP server requires me to log on" checkbox. Press the Next button. 6. The next wizard screen will be titled "Check E-mail Addresses". Answer "No" to the question "Do you want to check email addresses using this directory service?". Press the Next button. 7. The final wizard screen titled "Congratulations" will be displayed. Press the Finish button.

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GOAL: Setup OpenLDAP for use as a Global Address Book by Microsoft Outlook and SquirrelMail webmail clients.   ENVIRONMENT: Red Hat Linux Advanced Server release 2.1AS (Pensacola)   INSTRUCTIONS:   1. Install Berkeley DB software.   > cd /usr/local/archive > wget http://www.sleepycat.com/update/snapshot/db-4.2.52.tar.gz > tar -xvzf db-4.2.52.tar.gz > cd db-4.2.52 > cd build_unix/ > ../dist/configure > make > make install   2. Install OpenLDAP software.   > cd /usr/local/archive > wget ftp://ftp.openldap.org/pub/OpenLDAP/openldap-release/openldap-2.2.4.tgz > tar -xvzf openldap-2.2.4.tgz   Next create a build.sh script with the following:     #!/bin/bash   env CPPFLAGS="-I/usr/local/BerkeleyDB.4.2/include" \         LDFLAGS="-L/usr/local/BerkeleyDB.4.2/lib" ./configure \         --prefix /usr/local/openldap-2.2.4     Make the script executable and run it:   > chmod 755 build.sh > ./build.sh   Now finish the build:   > make depend > make > make install   3. Install Webmin.   See webmin.txt   4. Install perl modules.   > wget http://theoryx5.uwinnipeg.ca/cpan/authors/id/P/PE/PETDANCE/Test-Harness-2.40.tar.gz > tar -xvzf Test-Harness-2.40.tar.gz > cd Test-Harness-2.40 > perl Makefile.PL > make > make test > make install   > wget http://theoryx5.uwinnipeg.ca/cpan/authors/id/M/MS/MSCHWERN/Test-Simple-0.47.tar.gz > tar -xvzf Test-Simple-0.47.tar.gz > cd Test-Simple-0.47 > perl Makefile.PL > make > make test > make install   > wget http://theoryx5.uwinnipeg.ca/cpan/authors/id/G/GB/GBARR/Convert-ASN1-0.18.tar.gz > tar -xvzf Convert-ASN1-0.18.tar.gz > cd Convert-ASN1-0.18 > perl Makefile.PL > make > make test > make install   5. Install OpenLdap2 module for Webmin:   a. Download the module:    > cd /usr/local/archive > wget http://gaia.anet.fr/webmin/openldap/releases/openldap2-0_1.wbm   b. Login to Webmin. c. Select Webmin icon from top menu bar. d. Select Webmin Configuration icon. e. Select Webin Modules icon. f. In the Install Module form select "From local file" and enter the path:     /usr/local/archive/openldap2-0_1.wbm   g. Press the Install Module From File button to install the module.   6. Configure OpenLDAP Webmin module.   a. Login to Webmin. b. Select the Servers icon from the top menu bar. c. Select the "OpenLDAP Server 2" icon. The following error message will be displayed:     "It was not possible to read your configuration file for slapd.   Please check int the module configuration that the path for this file is correct."   d. Select the Module Config tab. e. Enter the following config options into the form:   Path to slapd.conf file: /usr/local/openldap-2.2.4/etc/openldap/slapd.conf Command to apply changes: service slapd restart Command to start slapd: service slapd start Command to stop slapd: service slapd stop Port number daemon slapd is listening to: 389 Path to slapd daemon: /usr/local/openldap-2.2.4/libexec/slapd LDAP Properties for all new users:    objectClass: inetorgperson    objectClass: top Email domain for mail attribute: acme.com   f. Press the Save button. You will be returned to the main OpenLDAP config screen.   7. Apply BDB support patch to OpenLdap2 Webmin module.   > cd /usr/local/archive > wget http://www.reliablepenguin.com/projects/ldap/openldap2_webmin_bdb.patch > cd /usr/libexec/webmin/openldap2 > patch -Np5 < /usr/local/archive/openldap2_webmin_bdb.patch   8. Setup slapd service:   > cd /usr/local/archive > wget http://www.reliablepenguin.com/clients/misc/slapd.service > cp slapd.service /etc/init.d/slapd > chkconfig --add slapd > chkconfig --level 35 slapd on   9. Generate directory administrator's password:   > /usr/local/openldap-2.2.4/sbin/slappasswd -h {MD5}   You will be prompted to enter a password and then the crypted version of the password will be displayed:     New password:   Re-enter new password:   {MD5}risfylFZSeXVT7IrjtlVdQ==   The crypted password is "{MD5}risfylFZSeXVT7IrjtlVdQ==". Save this string for use in the next step.   10. Configure OpenLDAP via Webmin.   a. Login to Webmin. b. Select the Servers icon from top menu bar. c. Select the "OpenLdap Server 2" icon. d. Delete the default backend definition by selecting the predefined backend named "dc=my-domain,dc=com".  Press the delete button at the bottom of the screen and when prompted confirm the deletion.   e. Define a new backend by selecting the "Add backend" link. The "Add Backend" form will be displayed. Enter the suffix:   c=US   Set the backend type to "bdb". Press the "Create backend" button at the bottom of the form.   Next a form for setting backend options will be displayed. Set the following fields under "General Backend Options" :     Directory : /usr/local/openldap-2.2.4/var/openldap-us-data   Press the "Save" button at the bottom of the form to save changes and return to the "Global Options" screen.   f. Define a new backend by selecting the "Add backend" link. The "Add Backend" form will be displayed. Enter a suffix like:   dc=my-domain,dc=com   Each component of your domain should be repesented by a domain component (dc) element. For example if your domain is "acme.com" then use:   dc=acme,dc=com   Or if your domain is "accounting.acme.com" then use:   dc=accounting,dc=acme,dc=com   Set the backend type to "bdb". Press the "Create backend" button at the bottom of the form.   Next a form for setting backend options will be displayed. Set the following fields under "General Backend Options" :     Administrator DN : cn=Administrator,dc=acme,dc=com   Administrator Password : {paste in crypted password from previous step}   Read Only : No   Schema Check : Yes   Default Access : None   Last Modifiers : Yes   Size Limit : 500   Time Limit : 120   Set the following fields under "BDB backend specific options" :     Directory : /usr/local/openldap-2.2.4/var/openldap-data   Cache Size : 1000   Max Search Stack Depth : 16   Files Protection Mode : 0600   Checkpoint Every : 100 10   DB No Sync : No   Allow Dirty Reads : No   IDL Cache Size : 0   SHM Key : leave blank   Session Log Store : leave blank   Deadlock Handling : Default   Press the "Save" button at the bottom of the form to save changes and return to the "Global Options" screen.   g. Select the "Include Files" icon at the bottom of the screen.   Enter:     /usr/local/openldap-2.2.4/etc/openldap/schema/cosine.schema   into the "Create a new include file" field and press the "Create" button.   Repeat this process to create include files for:     /usr/local/openldap-2.2.4/etc/openldap/schema/nis.schema   /usr/local/openldap-2.2.4/etc/openldap/schema/inetorgperson.schema   h. Now start the slapd server:   > service slapd start   and run the following test query:   > ldapsearch -x -b '' -s base '(objectclass=*)' namingContexts   You should get results similar to:     version: 2     #   # filter: (objectclass=*)   # requesting: namingContexts   #     #   dn:   namingContexts: dc=acme,dc=com     # search result   search: 2   result: 0 Success     # numResponses: 2   # numEntries: 1   Now test the c=US referral is working:   >  ldapsearch -x -b "c=US"   You should see results similar to:     version: 2     #   # filter: (objectclass=*)   # requesting: ALL   #     # search result   search: 2   result: 10 Referral   matchedDN: c=US   ref: ldap://mail.acme.com/dc=acme,dc=com??sub     # numResponses: 1   11. Initialize the LDAP database.   a. Create a file in /usr/local/openldap-2.2.4/etc/openldap named top.ldif with the following contents:     dn: dc=acme,dc=com   objectClass: top   objectClass: dcObject   objectClass: organization   dc: acme   o: Acme, Inc.   description: Acme, Inc.     dn: cn=Administrator,dc=acme,dc=com   objectClass: organizationalRole   cn: Administrator   description: Directory Manager     dn: ou=People,dc=acme,dc=com   objectClass: top   objectClass: organizationalUnit   ou: People   description: Container for people objects.     dn: ou=Groups,dc=acme,dc=com   objectClass: top   objectClass: organizationalUnit   ou: Groups   description: Container for group objects.   b. Import top.ldif into OpenLDAP using the slapadd command:   > /usr/local/openldap-2.2.4/sbin/slapadd -v \    -f /usr/local/openldap-2.2.4/etc/openldap/slapd.conf \    -l /usr/local/openldap-2.2.4/etc/openldap/top.ldif   c. Create directory for c=US database:   > mkdir /usr/local/openldap-2.2.4/var/openldap-us-data   c. Create a file in /usr/local/openldap-2.2.4/etc/openldap named top2.ldif with the following contents:     dn: c=US   objectClass: top   objectClass: referral   objectClass: extensibleObject   c: US   description: placeholder   ref: ldap://mail.acme.com/dc=acme,dc=com   b. Import top2.ldif into OpenLDAP using the slapadd command:   > /usr/local/openldap-2.2.4/sbin/slapadd -v \    -f /usr/local/openldap-2.2.4/etc/openldap/slapd.conf \    -l /usr/local/openldap-2.2.4/etc/openldap/top2.ldif   12. Verify that required rpm packages are installed:   > rpm -q openldap openldap-2.0.21-1   > rpm -q openldap-clients openldap-clients-2.0.21-1   > rpm -q auth_ldap auth_ldap-1.4.8-3   > rpm -q nss_ldap. nss_ldap-172-3   13. Configure nss_ldap and pam_ldap module.   Edit /etc/ldap.conf   a. Set host to the local machine.     host 127.0.0.1   b. Set base to the same as used in the openldap config.     base dc=acme,dc=com   c. Set port to 389.     port 389   d. Set the bind DN for root:   rootbinddn cn=Administrator,dc=acme,dc=com   e. Set scope to one level:     scope one   f. Set pam_filter:     pam_filter objectclass=posixaccount   g. Set pam_login_attribute:     pam_login_attribute uid   h. Set pam_member_attribute:     pam_member_attribute uid   i. Set pam_password:     pam_password md5   j. Set object bases:     nss_base_passwd ou=People,dc=acme,dc=com?one   nss_base_shadow ou=People,dc=acme,dc=com?one   nss_base_group  ou=Groups,dc=acme,dc=com?one   14. Create a file at /etc named ldap.secret.   Place in this file on a single line the password for the Administrator.   Set the permissions on this file:   > chmod 600 /etc/ldap.secret   15. Modify NSS config file.   Change the passwd, shadow and group lines to read as follows:     passwd:     files ldap   shadow:     files ldap   group:      files ldap     16. Setup access controls.   a. Login to Webmin. b. Select the Servers icon from the top menu bar. c. Select the "OpenLDAP 2 Server" icon. d.     defaultaccess none   access to dn.subtree="dc=acme,dc=com" attr=userPassword         by dn="cn=root,dc=acme,dc=com" write         by self write         by * auth   access to dn.subtree="ou=People,dc=acme,dc=com"         by * read   access to dn.subtree="dc=acme,dc=com"         by * read   access to dn.subtree="c=US"         by * read         16. Login to webmin. Select System icon. Select LDAP Users and Groups.   A message saying that Perl-LDAP is not installed will be displayed. Select the link to install this module.     Import Users ============     cat import.ldif | ldapadd -h localhost \ -w adminpass -D "cn=Administrator,dc=acme,dc=net" -x         CLIENT CONFIGURATION ====================   Outlook Express 6   1. Start Microsoft Outlook.   2. From the menu bar select Tools and then select Address Book. The Address Book window will be displayed.   3. Select Tools from the menu bar and then select Accounts. The Internet Accounts dialog will be displayed.   4. Press the Add button to create a new directory service definition. The "Internet Connection Wizard" will be displayed. The first screen of the wizard is titled "Internet Directory Serer Name".   5. In the "Internet directory (LDAP) server" field type the IP address or DNS domain name of the directory server. For this example we'll use "mail.acme.com". Do not check the "My LDAP server requires me to log on" checkbox. Press the Next button.   6. The next wizard screen will be titled "Check E-mail Addresses". Answer "No" to the question "Do you want to check email addresses using this directory service?". Press the Next button.   7. The final wizard screen titled "Congratulations" will be displayed. Press the Finish button.

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