#!/usr/bin/python
# -*- coding: utf-8 -*-

import ldap
from pprint import pprint

LDAP_USER = '<USER>@<DOMAIN>'
LDAP_PASSWORD = '<PASSWORD>'
LDAP_SERVER = 'ldap://<LDAP_SERVER>'
LDAP_BASE = 'dc=<DOMAIN>,dc=<TLD>'

ALIASES = []

###########################################################

def add_alias(ALIAS):
	ALIAS = ALIAS.lower()
	if '@' in ALIAS:
		ALIAS = ALIAS.replace('smtp:','')
		if not ALIAS in ALIASES:
			ALIASES.append(ALIAS)

def analyze_search(LDAP_SEARCH):
	for DN,ENTRY in LDAP_SEARCH:
		if DN != None and ENTRY:
			if 'proxyAddresses' in ENTRY:
				for ALIAS in ENTRY['proxyAddresses']:
					add_alias(ALIAS)
			if 'mail' in ENTRY:
				for ALIAS in ENTRY['mail']:
					add_alias(ALIAS)
			if 'msExchShadowProxyAddresses' in ENTRY:
				for ALIAS in ENTRY['msExchShadowProxyAddresses']:
					add_alias(ALIAS)

########################################################### 

LDAP = ldap.initialize(LDAP_SERVER)
LDAP.simple_bind_s(LDAP_USER,LDAP_PASSWORD)

LDAP_SEARCH = LDAP.search_s(LDAP_BASE,ldap.SCOPE_SUBTREE,'(&(|(objectClass=user)(objectClass=group))(!(userAccountControl:1.2.840.113556.1.4.803:=2)))',['msExchShadowProxyAddresses','proxyAddresses','mail'])
analyze_search(LDAP_SEARCH)

###########################################################

ALIASES.sort()
pprint(ALIASES)
print "Count of aliases: ",  len(ALIASES)