From b2c0260219c400b1b219333d7b18d9ed81e1ffe4 Mon Sep 17 00:00:00 2001
From: Günther Deschner <gd@samba.org>
Date: Thu, 14 Sep 2006 10:08:36 +0000
Subject: r18510: Protect against storing null-sids in the winbind cache.

Guenther
(This used to be commit b04c8d46efc67e013b976e0ba1be558b70a1f899)
---
 source3/nsswitch/winbindd_cache.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'source3')

diff --git a/source3/nsswitch/winbindd_cache.c b/source3/nsswitch/winbindd_cache.c
index ac3b2661f0..09b10f27f8 100644
--- a/source3/nsswitch/winbindd_cache.c
+++ b/source3/nsswitch/winbindd_cache.c
@@ -788,6 +788,10 @@ static void wcache_save_sid_to_name(struct winbindd_domain *domain, NTSTATUS sta
 	struct cache_entry *centry;
 	fstring sid_string;
 
+	if (is_null_sid(&sid)) {
+		return;
+	}
+
 	centry = centry_start(domain, status);
 	if (!centry)
 		return;
@@ -807,6 +811,10 @@ static void wcache_save_user(struct winbindd_domain *domain, NTSTATUS status, WI
 	struct cache_entry *centry;
 	fstring sid_string;
 
+	if (is_null_sid(&info->user_sid)) {
+		return;
+	}
+
 	centry = centry_start(domain, status);
 	if (!centry)
 		return;
-- 
cgit