From 58ac5e2ff4df40f56e5d44b86c9117c4cdce1ab0 Mon Sep 17 00:00:00 2001
From: Andreas Steffen <andreas.steffen@strongswan.org>
Date: Wed, 21 May 2008 22:53:45 +0000
Subject: [PATCH] fixed segmentation fault caused by malformed attribute
 certificates

---
 src/libstrongswan/plugins/x509/x509_ac.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/libstrongswan/plugins/x509/x509_ac.c b/src/libstrongswan/plugins/x509/x509_ac.c
index 113306072..3861d7145 100644
--- a/src/libstrongswan/plugins/x509/x509_ac.c
+++ b/src/libstrongswan/plugins/x509/x509_ac.c
@@ -990,6 +990,11 @@ static private_x509_ac_t* build(private_builder_t *this)
 
 	free(this);
 
+	if (ac == NULL)
+	{
+		return NULL;
+	}
+
 	/* synthesis if TRUE or analysis if FALSE */
 	if (ac->encoding.ptr == NULL)
 	{