Archive for the 'ldap' Category

ldapsearch limit returned results

Problem You want to perform an ldap search but only receive a limited number of records in return. Solution Use -z # to restrict the number of records returned. Example Search and return only 5 records.ldapsearch -x -z 5 -v-D”cn=Manager,dc=demo,dc=net”-w secret \-b”dc=demo,dc=net” “(lastlogin>=99999999)” Reference Technorati Tags: , LDAP Training SchoolLDAP Docs – Quick Start Guide

ldapsearch greater than

Problem You want to search for a field greater than a value, in your LDAP search. Solution To search for a field with a value greater than a given figure, we use >=. If you try to just use > it chucks out an error. Example This is how to perform a greater than LDAP [...]

LDAP LDIF Perl search script

Problem You want to search an LDIF file for a given dn, or pattern. Solution Multi-line pattern search and output – useful for LDIFs! Written in Perl – see example tab. Example Replace pattern to a given name, etc and filename to LDIF output file.perl -ane '$/="dn" ;print,"\n\n" if($_ =~/pattern/);' filenameFor example:$ cat user.ldifdn: cn=user0,dc=subdiv,dc=demo,dc=netobjectClass: [...]

Modify LDAP records with JNDI

Problem Need to modify an LDAP record with JNDI, the Java Naming Directory Interface.Following on from using java to perform LDAP searches, here is a quick demo on modifying records. Solution Here I’m using java to modify John Doe’s record, changing the givenname entry to John A.As you’ll notice all values are hard coded (such [...]

ldapsearch logical NOT

Problem You want to perform an LDAP search, matching entries which do not match certain criteria. Solution To perform a logical NOT we just use the exclamation mark ! – see example. Example This is how to perform a logical OR LDAP search.ldapsearch -x -v-D"cn=Manager,dc=demo,dc=net"-w secret \-b"dc=demo,dc=net" "(!(sn=Doe))" Reference Technorati Tags: ldapsearch syntax, openldap ldapsearch, [...]

ldapsearch logical AND

Problem You want to match more than one field, in your LDAP search. Solution To match more than one field we use the ampersand – “&” with ldapsearch. Example This is how to perform a logical AND LDAP search.ldapsearch -x -v-D"cn=Manager,dc=demo,dc=net"-w secret \-b"dc=demo,dc=net" "(&(givenname=John)(sn=Smith))" Reference Technorati Tags: ldapsearch syntax, openldap ldapsearch, LDAP Training SchoolLDAP Docs [...]

ldapsearch with logical OR

Problem You want to match more one or another pattern, in your LDAP search. Solution To match more one pattern or another we use the pipe symbol “|” . Example This is how to perform a logical OR LDAP search.ldapsearch -x -v-D"cn=Manager,dc=demo,dc=net"-w secret \-b"dc=demo,dc=net" "(|(sn=Doe)(sn=Smith))" Reference Technorati Tags: ldapsearch syntax, openldap ldapsearch, LDAP Training SchoolLDAP [...]

Deleting LDAP Record

Problem You want to delete a LDAP entry. Solution In this example, we just use ldapdelete from the command line.Remember to take a backup. ldapsearch with -L Example Here is an example of deleting a record in LDAP:ldapdelete -v -D’cn=Manager..’ -w ${passwd} \ -h ${host} -p ${port}<<EOTcn=….EOTEffectively – you just need to supply the full [...]

Modify LDAP record entry

Problem You want to modify or change a record in LDAP.Supplanting one value with another. Solution Use ldapmodify from the command line.Again take a backup with -L – just to be sure. Example Here is an example of modifying a record in LDAP, when you need to modify an entry to an existing record:ldapmodify -x [...]

Beginning ldap – modify a record

Problem You want to modify an LDAP record.For example change telephone number, address, etc. Solution Use ldapmodify from command line. I might seem daunting to start with, but it is the best way.Plus you should perform a search with -L option, to take a backup to file. Example Here is an example of modifying a [...]