auth: Handle request service timeout in blocking mode.

(cherry picked from commit e5e673bafe18032df3b6b7634410a6795e809f2a)

1 files changed, 7 insertions, 2 deletions

diff --git a/src/auth.c b/src/auth.c
index cf6c13cb..009340f9 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -68,8 +68,13 @@ static int ask_userauth(ssh_session session) {
     do {
         rc = ssh_service_request(session,"ssh-userauth");
         if (ssh_is_blocking(session)) {
-            if(rc == SSH_AGAIN)
-                ssh_handle_packets(session, -2);
+            if (rc == SSH_AGAIN) {
+                int err = ssh_handle_packets(session, -2);
+                if (err != SSH_OK) {
+                    /* error or timeout */
+                    return SSH_ERROR;
+                }
+            }
         } else {
             /* nonblocking */
             ssh_handle_packets(session, 0);