get_members_rubyldap.rb

require 'net/ldap'

class LdapService

  def con
    
    @base = "dc=example, dc=com"
    
    @ldap = Net::LDAP.new
    @ldap.host = host
    @ldap.port = 389
    @ldap.auth "CN= #user_for_bind #{@base}", "password"

    arr = []
    if @ldap.bind
      filter  = "(&(objectClass=user)(sAMAccountName=))"
      @ldap.search(:base => @base, :filter => filter) do |item|
        arr << item.cn[0]
      end
      @ldap = {:usuarios => arr}
    else
      @ldap.get_operation_result
    end
  end
end