diff --git a/lc_ldap.py b/lc_ldap.py
index 6ebbc8e..169fdc4 100644
--- a/lc_ldap.py
+++ b/lc_ldap.py
@@ -41,6 +41,7 @@ from ldap_locks import CransLock
 
 uri = 'ldapi:///' #'ldap://ldap.adm.crans.org/'
 base_dn = 'ou=data,dc=crans,dc=org'
+log_dn = "cn=log"
 
 def is_actif(sanction):
     """Retourne True ou False suivant si la sanction fournie (chaîne
@@ -218,6 +219,15 @@ class lc_ldap(ldap.ldapobject.LDAPObject):
         now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M : ')
         return unicode(now) + msg
 
+    def search_historique(self, dn):
+        res = self.search_s(log_dn, 2, 'reqDN=%s' % dn)
+        res.sort((lambda a, b: cmp(a[1]['reqEnd'][0], b[1]['reqEnd'][0])))
+        for cn, attrs in res:
+            if attrs['reqType'][0] == 'delete':
+                print "%s deleted %s" % (attrs['reqAuthzID'][0], attrs['reqDN'][0])
+            elif attrs['reqType'][0] == 'modify':
+                print "%s modified %s (%s)" % (attrs['reqAuthzID'][0], attrs['reqDN'][0],
+                                               "/".join(attrs['reqMod']))
     # ? def reconnect(self, conn=None):