tls: mark as no lookup transport

Type:fix

Also fix transport close while handshake is ongoing.

Change-Id: I004c56d2297d0847c2cb77202f8fba3edaacad29
Signed-off-by: Florin Coras <fcoras@cisco.com>
(cherry picked from commit d09236d17d86a5d50166b2017f8f30a560c6e1b8)

3 files changed, 27 insertions, 15 deletions

diff --git a/src/plugins/tlsopenssl/tls_openssl.c b/src/plugins/tlsopenssl/tls_openssl.c
index ee6b0e3172e..8d0fd36a04f 100644
--- a/src/plugins/tlsopenssl/tls_openssl.c
+++ b/src/plugins/tlsopenssl/tls_openssl.c
@@ -205,6 +205,28 @@ vpp_ssl_async_retry_func (tls_ctx_t * ctx, openssl_resume_handler * handler)
 
 #endif
 
+static void
+openssl_handle_handshake_failure (tls_ctx_t * ctx)
+{
+  if (SSL_is_server (((openssl_ctx_t *) ctx)->ssl))
+    {
+      /*
+       * Cleanup pre-allocated app session and close transport
+       */
+      session_free (session_get (ctx->c_s_index, ctx->c_thread_index));
+      ctx->no_app_session = 1;
+      ctx->c_s_index = SESSION_INVALID_INDEX;
+      tls_disconnect_transport (ctx);
+    }
+  else
+    {
+      /*
+       * Also handles cleanup of the pre-allocated session
+       */
+      tls_notify_app_connected (ctx, /* is failed */ 1);
+    }
+}
+
 int
 openssl_ctx_handshake_rx (tls_ctx_t * ctx, session_t * tls_session)
 {
@@ -240,19 +262,7 @@ openssl_ctx_handshake_rx (tls_ctx_t * ctx, session_t * tls_session)
 	  ERR_error_string (ERR_get_error (), buf);
 	  clib_warning ("Err: %s", buf);
 
-	  /*
-	   * Cleanup pre-allocated app session and close transport
-	   */
-	  if (SSL_is_server (oc->ssl))
-	    {
-	      session_free (session_get (ctx->c_s_index,
-					 ctx->c_thread_index));
-	      ctx->no_app_session = 1;
-	      ctx->c_s_index = SESSION_INVALID_INDEX;
-	      tls_disconnect_transport (ctx);
-	    }
-	  else
-	    tls_notify_app_connected (ctx, /* is failed */ 1);
+	  openssl_handle_handshake_failure (ctx);
 	  return -1;
 	}
 
@@ -758,7 +768,7 @@ openssl_transport_close (tls_ctx_t * ctx)
 {
   if (!openssl_handshake_is_over (ctx))
     {
-      session_close (session_get_from_handle (ctx->tls_session_handle));
+      openssl_handle_handshake_failure (ctx);
       return 0;
     }
   session_transport_closing_notify (&ctx->connection);
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index 33f1e26fd6d..7b53a47023a 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -235,7 +235,7 @@ session_delete (session_t * s)
 
   /* Delete from the main lookup table. */
   if ((rv = session_lookup_del_session (s)))
-    clib_warning ("hash delete error, rv %d", rv);
+    clib_warning ("session %u hash delete rv %d", s->session_index, rv);
 
   session_free_w_fifos (s);
 }
diff --git a/src/vnet/tls/tls.c b/src/vnet/tls/tls.c
index 1358f9cb345..4fff72f1cda 100644
--- a/src/vnet/tls/tls.c
+++ b/src/vnet/tls/tls.c
@@ -411,6 +411,7 @@ tls_session_accept_callback (session_t * tls_session)
   tls_session->opaque = ctx_handle;
   ctx->tls_session_handle = session_handle (tls_session);
   ctx->listener_ctx_index = tls_listener->opaque;
+  ctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
 
   /* Preallocate app session. Avoids allocating a session post handshake
    * on tls_session rx and potentially invalidating the session pool */
@@ -469,6 +470,7 @@ tls_session_connected_callback (u32 tls_app_index, u32 ho_ctx_index,
 
   ctx->c_thread_index = vlib_get_thread_index ();
   ctx->tls_ctx_handle = ctx_handle;
+  ctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
 
   TLS_DBG (1, "TCP connect for %u returned %u. New connection [%u]%x",
 	   ho_ctx_index, is_fail, vlib_get_thread_index (),