remove ntlm_auth

ntlm/ntlmv2.go

@@ -229,9 +229,7 @@ func (n *V2ServerSession) ProcessAuthenticateMessage(am *AuthenticateMessage) (e
 	n.user = am.UserName.String()
 	n.userDomain = am.DomainName.String()
 	n.workstation = am.Workstation.String()
-	log.Printf("(ProcessAuthenticateMessage)NTLM v2 User %s Domain %s Workstation %s", n.user, n.userDomain, n.workstation)
-
-	log.Printf("DEBUG: Password is showed as %s", n.password)
+	log.Printf("(ProcessAuthenticateMessage) NTLM v2 User %s Domain %s Workstation %s", n.user, n.userDomain, n.workstation)
 
 	err = n.fetchResponseKeys()
 	if err != nil {
@@ -247,9 +245,11 @@ func (n *V2ServerSession) ProcessAuthenticateMessage(am *AuthenticateMessage) (e
 	}
 
 	// Check user auth using LDAP
-	_, err = authLdap(n.user, n.password)
-	if err != nil {
-		return err
+	if n.password != "" {
+		_, err = authLdap(n.user, n.password)
+		if err != nil {
+			return err
+		}
 	}
 
 	err = n.computeKeyExchangeKey()