From: David Sommerseth <dazo@users.sourceforge.net>
Date: Sat, 17 Apr 2010 19:03:06 +0000 (+0200)
Subject: Fixed potential NULL pointer issue
X-Git-Tag: v2.2-beta1~7^2~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=90919b019c9db272113c885945014b098a7f987b;p=thirdparty%2Fopenvpn.git

Fixed potential NULL pointer issue

If create_temp_file() returns NULL, this strlen() check would cause
a SEGV.

Signed-off-by: David Sommerseth <dazo@users.sourceforge.net>
Acked-by: Gert Doering <gert@greenie.muc.de>
---

diff --git a/ssl.c b/ssl.c
index 30477197f..44a1bb219 100644
--- a/ssl.c
+++ b/ssl.c
@@ -3194,7 +3194,7 @@ verify_user_pass_script (struct tls_session *session, const struct user_pass *up
     }
 
  done:
-  if (strlen (tmp_file) > 0)
+  if (tmp_file && strlen (tmp_file) > 0)
     delete_file (tmp_file);
 
   argv_reset (&argv);