using python LDAP

 import ldap  
 class Ldap_co(object):  
   def __init__(self):  
     self.server = "ldap://yourserver.com"  
     self.port = "389"  
     self.baseDN = "ou=xxxxxxx,o=xxx.com"  
     try:  
       self.l = ldap.initialize(self.server+":"+self.port+"/")  
       # ldap.VERSION2 if you're using a v2 directory  
       #l.protocol_version = ldap.VERSION3   
     except ldap.LDAPError, e:  
       print e  
   def search_people(self,searchFilter = "cn=*sharkguto*"):  
     searchScope = ldap.SCOPE_SUBTREE  
     retrieveAttributes = None   
     try:  
       ldap_result_id = self.l.search(self.baseDN, searchScope, searchFilter, retrieveAttributes)  
       result_set = []  
       while 1:  
         result_type, result_data = self.l.result(ldap_result_id, 0)  
         if (result_data == []):  
           break  
         else:  
           if result_type == ldap.RES_SEARCH_ENTRY:  
             result_set.append(result_data)  
     except ldap.LDAPError, e:  
       print e  
     return result_set  
   def auth_user(self,user,password):  
     try:  
       user=user.strip()  
       password = password.strip()  
       dn=""  
       resp=""  
       results = self.search_people("email="+user + "*")  
       #print results  
       dn= results[0][0][1]  
       uid= results[0][0][0].split(',')[0]  
       uid=uid.split('=')[1]  
       c=dn['c'][0]  
       o=dn['o'][0]  
       dept=dn['dept'][0]  
       ou=dn['ou'][0]  
       cn=dn['cn'][0]  
       fullname=dn['callupName'][0]  
       dnfinal = "uid="+uid+",c="+c+",ou="+ou+",o="+o  
       #print dnfinal  
       resp = self.l.bind_s(dnfinal,password)  
       #print resp  
       #resp = self.l.whoami_s()  
       if resp[0] == 97:  
         return dict(logged=True,department=dept,email=user,uid=uid,fullname=fullname)  
     except ldap.INVALID_CREDENTIALS:  
       self.l.unbind()  
       print 'Wrong username ili password'  
       return False  
     except ldap.SERVER_DOWN:  
       print 'AD server not awailable'  
       return False  
     except ldap.LDAPError, e:  
       print e  
       return False