From 3b5bdc5db440b8bf2d142631cac44c4eb052e7bc Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Sun, 11 Sep 2011 15:29:27 +0200
Subject: auth: Check if we have any prompts.

---
 src/auth.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/auth.c b/src/auth.c
index f56bad34..387f2785 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -1684,9 +1684,10 @@ SSH_PACKET_CALLBACK(ssh_packet_userauth_info_request) {
 
   nprompts = ntohl(nprompts);
   ssh_log(session,SSH_LOG_PACKET,"kbdint: %d prompts",nprompts);
-  if (nprompts > KBDINT_MAX_PROMPT) {
+  if (nprompts == 0 ||
+      nprompts > KBDINT_MAX_PROMPT) {
     ssh_set_error(session, SSH_FATAL,
-        "Too much prompt asked from server: %u (0x%.4x)",
+        "Wrong number of prompts requested by the server: %u (0x%.4x)",
         nprompts, nprompts);
     ssh_kbdint_free(session->kbdint);
     session->kbdint = NULL;
-- 
cgit