From c1efcd28f596da1f09582298c99e557c3f1083c8 Mon Sep 17 00:00:00 2001
From: Aris Adamantiadis <aris@0xbadc0de.be>
Date: Sat, 28 Aug 2010 23:35:59 +0200
Subject: Fixes bug #99

returns error when no cryptographic context is available
---
 libssh/dh.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'libssh')

diff --git a/libssh/dh.c b/libssh/dh.c
index 08988c6..8ad80a0 100644
--- a/libssh/dh.c
+++ b/libssh/dh.c
@@ -835,8 +835,11 @@ int ssh_get_pubkey_hash(ssh_session session, unsigned char **hash) {
   if (session == NULL || hash == NULL) {
     return -1;
   }
-
   *hash = NULL;
+  if (session->current_crypto == NULL ||
+      session->current_crypto->server_pubkey == NULL){
+    ssh_set_error(session,SSH_FATAL,"No current cryptographic context");
+  }
 
   h = malloc(sizeof(unsigned char *) * MD5_DIGEST_LEN);
   if (h == NULL) {
-- 
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