From 94e7d345a7561a3ee5923808c2ee65244e2f5184 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Thu, 14 Apr 2011 10:17:44 +0200
Subject: wrapper: Fixed a possible NULL pointer dereference.

---
 src/wrapper.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/wrapper.c b/src/wrapper.c
index d4ad09c..6b88e0d 100644
--- a/src/wrapper.c
+++ b/src/wrapper.c
@@ -219,11 +219,15 @@ int crypt_set_algorithms_server(ssh_session session){
     int i = 0;
     struct crypto_struct *ssh_ciphertab=ssh_get_ciphertab();
 
+    if (session == NULL) {
+        return SSH_ERROR;
+    }
+
     /* we must scan the kex entries to find crypto algorithms and set their appropriate structure */
     enter_function();
     /* out */
     server = session->server_kex.methods[SSH_CRYPT_S_C];
-    if(session && session->client_kex.methods) {
+    if(session->client_kex.methods) {
         client = session->client_kex.methods[SSH_CRYPT_S_C];
     } else {
         ssh_log(session,SSH_LOG_PROTOCOL, "Client KEX empty");
-- 
cgit