From 6c4637a3b3d333583ee5d91588ce477751e8af04 Mon Sep 17 00:00:00 2001
From: Magnus Hagander <magnus@hagander.net>
Date: Thu, 25 Jun 2009 11:30:08 +0000
Subject: [PATCH] Disallow empty passwords in LDAP authentication, the same way
we already do it for PAM.
---
src/backend/libpq/auth.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/src/backend/libpq/auth.c b/src/backend/libpq/auth.c
index 84d72cb2410..7e328f7bcf6 100644
--- a/src/backend/libpq/auth.c
+++ b/src/backend/libpq/auth.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/libpq/auth.c,v 1.182 2009/06/11 14:48:57 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/libpq/auth.c,v 1.183 2009/06/25 11:30:08 mha Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2066,6 +2066,13 @@ CheckLDAPAuth(Port *port)
if (passwd == NULL)
return STATUS_EOF; /* client wouldn't send password */
+ if (strlen(passwd) == 0)
+ {
+ ereport(LOG,
+ (errmsg("empty password returned by client")));
+ return STATUS_ERROR;
+ }
+
ldap = ldap_init(port->hba->ldapserver, port->hba->ldapport);
if (!ldap)
{
--
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