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  1. JBoss Enterprise Application Platform
  2. JBEAP-5350

(7.1.0) RolesSearch in AdvancedLdapLoginModule is doing a needless LDAP call for each individual role

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      There will be needless LDAP calls if we use AdvancedLdap login module.

      If a user is a member of (lets say) 100 groups, then we can get an extra 100 calls to the LDAP server.
      It can be performance problem.

      Same problem was in LdapExt login module.
      You can see this BZ https://bugzilla.redhat.com/show_bug.cgi?id=1223840
      https://issues.jboss.org/browse/SECURITY-891

      Example from Wireshark for 2 groups:

      * searchRequest(3) "ou=Roles,ou=AdvancedLdapLoginModuleSpecialNamesTestCasee4b1c459,OU=primary,O=eapqe,DC=JBOSS3,DC=test" wholeSubtree 
* searchResEntry(3) "CN=JBossAdmin,OU=Roles,OU=AdvancedLdapLoginModuleSpecialNamesTestCasee4b1c459,OU=primary,O=eapqe,DC=JBOSS3,DC=test"  | searchResEntry(3) "CN=Slash/Char,OU=Roles,OU=AdvancedLdapLoginModuleSpecialNamesTestCasee4b1c459,OU=primary,O=eapqe,DC=JBOSS3,DC=test"  | searchResDone(3) success  [2 results]
* searchRequest(4) "CN=JBossAdmin,ou=Roles,ou=AdvancedLdapLoginModuleSpecialNamesTestCasee4b1c459,OU=primary,O=eapqe,DC=JBOSS3,DC=test" baseObject 
* searchResEntry(4) "CN=JBossAdmin,ou=Roles,ou=AdvancedLdapLoginModuleSpecialNamesTestCasee4b1c459,OU=primary,O=eapqe,DC=JBOSS3,DC=test"  | searchResDone(4) success  [1 result]
* searchRequest(5) "CN=Slash/Char,ou=Roles,ou=AdvancedLdapLoginModuleSpecialNamesTestCasee4b1c459,OU=primary,O=eapqe,DC=JBOSS3,DC=test" baseObject 
* searchResEntry(5) "CN=Slash/Char,ou=Roles,ou=AdvancedLdapLoginModuleSpecialNamesTestCasee4b1c459,OU=primary,O=eapqe,DC=JBOSS3,DC=test"  | searchResDone(5) success  [1 result]

      |

              rpelisse@redhat.com Romain Pelisse
              rhn-cservice-bbaranow Bartosz Baranowski
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