authentication.rb

require "rubygems"
require "ldap"
require "net/ldap"

email = "somemail@ibm.com"
password = "secret"

host = "bluepages.ibm.com"
treebase = "ou=bluepages, o=ibm.com"
filter = "(&(objectClass=person)(mail=#{email}))"
 
LDAP::Conn.new(host).search treebase, LDAP::LDAP_SCOPE_SUBTREE, filter do |entry|
  user = Net::LDAP.new :host => "bluepages.ibm.com"
  user.authenticate entry.get_dn, password
  
  if user.bind
    puts "authenticated"
  end
end