session: Add certificate store

[vpp.git] / src / plugins / tlsmbedtls / tls_mbedtls.c

diff --git a/src/plugins/tlsmbedtls/tls_mbedtls.c b/src/plugins/tlsmbedtls/tls_mbedtls.c
index 6b56f5f..7a2abaf 100644 (file)
--- a/src/plugins/tlsmbedtls/tls_mbedtls.c
+++ b/src/plugins/tlsmbedtls/tls_mbedtls.c
@@ -100,6 +100,7 @@ mbedtls_ctx_free (tls_ctx_t * ctx)
   mbedtls_ssl_free (&mc->ssl);
   mbedtls_ssl_config_free (&mc->conf);
 
+  vec_free (ctx->srv_hostname);
   pool_put_index (mbedtls_main.ctx_pool[ctx->c_thread_index],
                  mc->mbedtls_ctx_index);
 }
@@ -166,7 +167,7 @@ tls_net_send (void *ctx_indexp, const unsigned char *buf, size_t len)
   ctx_index = pointer_to_uword (ctx_indexp);
   ctx = mbedtls_ctx_get (ctx_index);
   tls_session = session_get_from_handle (ctx->tls_session_handle);
-  rv = svm_fifo_enqueue_nowait (tls_session->tx_fifo, len, buf);
+  rv = svm_fifo_enqueue (tls_session->tx_fifo, len, buf);
   if (rv < 0)
     return MBEDTLS_ERR_SSL_WANT_WRITE;
   tls_add_vpp_q_tx_evt (tls_session);
@@ -184,7 +185,7 @@ tls_net_recv (void *ctx_indexp, unsigned char *buf, size_t len)
   ctx_index = pointer_to_uword (ctx_indexp);
   ctx = mbedtls_ctx_get (ctx_index);
   tls_session = session_get_from_handle (ctx->tls_session_handle);
-  rv = svm_fifo_dequeue_nowait (tls_session->rx_fifo, len, buf);
+  rv = svm_fifo_dequeue (tls_session->rx_fifo, len, buf);
   return (rv < 0) ? 0 : rv;
 }
 
@@ -275,8 +276,7 @@ mbedtls_ctx_init_server (tls_ctx_t * ctx)
 {
   mbedtls_ctx_t *mc = (mbedtls_ctx_t *) ctx;
   mbedtls_main_t *mm = &mbedtls_main;
-  app_worker_t *app_wrk;
-  application_t *app;
+  app_cert_key_pair_t *ckpair;
   void *ctx_ptr;
   int rv;
 
@@ -288,12 +288,11 @@ mbedtls_ctx_init_server (tls_ctx_t * ctx)
   /*
    * 1. Cert
    */
-  app_wrk = app_worker_get (ctx->parent_app_wrk_index);
-  if (!app_wrk)
+  ckpair = app_cert_key_pair_get_if_valid (ctx->ckpair_index);
+  if (!ckpair)
     return -1;
 
-  app = application_get (app_wrk->app_index);
-  if (!app->tls_cert || !app->tls_key)
+  if (!ckpair->cert || !ckpair->key)
     {
       TLS_DBG (1, " failed\n  ! tls cert and/or key not configured %d",
               ctx->parent_app_wrk_index);
@@ -301,8 +300,8 @@ mbedtls_ctx_init_server (tls_ctx_t * ctx)
     }
 
   rv = mbedtls_x509_crt_parse (&mc->srvcert,
-                              (const unsigned char *) app->tls_cert,
-                              vec_len (app->tls_cert));
+                              (const unsigned char *) ckpair->cert,
+                              vec_len (ckpair->cert));
   if (rv != 0)
     {
       TLS_DBG (1, " failed\n  !  mbedtls_x509_crt_parse returned %d", rv);
@@ -310,8 +309,8 @@ mbedtls_ctx_init_server (tls_ctx_t * ctx)
     }
 
   rv = mbedtls_pk_parse_key (&mc->pkey,
-                            (const unsigned char *) app->tls_key,
-                            vec_len (app->tls_key), NULL, 0);
+                            (const unsigned char *) ckpair->key,
+                            vec_len (ckpair->key), NULL, 0);
   if (rv != 0)
     {
       TLS_DBG (1, " failed\n  !  mbedtls_pk_parse_key returned %d", rv);
@@ -515,8 +514,8 @@ mbedtls_ctx_read (tls_ctx_t * ctx, session_t * tls_session)
       return 0;
     }
 
-  enq = svm_fifo_enqueue_nowait (app_session->rx_fifo, read,
-                                mm->rx_bufs[thread_index]);
+  enq = svm_fifo_enqueue (app_session->rx_fifo, read,
+                         mm->rx_bufs[thread_index]);
   ASSERT (enq == read);
   vec_reset_length (mm->rx_bufs[thread_index]);
 
@@ -536,6 +535,27 @@ mbedtls_handshake_is_over (tls_ctx_t * ctx)
   return (mc->ssl.state == MBEDTLS_SSL_HANDSHAKE_OVER);
 }
 
+static int
+mbedtls_transport_close (tls_ctx_t * ctx)
+{
+  if (!mbedtls_handshake_is_over (ctx))
+    {
+      session_close (session_get_from_handle (ctx->tls_session_handle));
+      return 0;
+    }
+  session_transport_closing_notify (&ctx->connection);
+  return 0;
+}
+
+static int
+mbedtls_app_close (tls_ctx_t * ctx)
+{
+  tls_disconnect_transport (ctx);
+  session_transport_delete_notify (&ctx->connection);
+  mbedtls_ctx_free (ctx);
+  return 0;
+}
+
 const static tls_engine_vft_t mbedtls_engine = {
   .ctx_alloc = mbedtls_ctx_alloc,
   .ctx_free = mbedtls_ctx_free,
@@ -548,6 +568,8 @@ const static tls_engine_vft_t mbedtls_engine = {
   .ctx_handshake_is_over = mbedtls_handshake_is_over,
   .ctx_start_listen = mbedtls_start_listen,
   .ctx_stop_listen = mbedtls_stop_listen,
+  .ctx_transport_close = mbedtls_transport_close,
+  .ctx_app_close = mbedtls_app_close,
 };
 
 int
@@ -611,14 +633,10 @@ tls_mbedtls_init (vlib_main_t * vm)
 {
   vlib_thread_main_t *vtm = vlib_get_thread_main ();
   mbedtls_main_t *mm = &mbedtls_main;
-  clib_error_t *error;
   u32 num_threads;
 
   num_threads = 1 /* main thread */  + vtm->n_threads;
 
-  if ((error = vlib_call_init_function (vm, tls_init)))
-    return error;
-
   if (tls_init_ca_chain ())
     {
       clib_warning ("failed to initialize TLS CA chain");
@@ -643,12 +661,17 @@ tls_mbedtls_init (vlib_main_t * vm)
   return 0;
 }
 
-VLIB_INIT_FUNCTION (tls_mbedtls_init);
+/* *INDENT-OFF* */
+VLIB_INIT_FUNCTION (tls_mbedtls_init) =
+{
+  .runs_after = VLIB_INITS("tls_init"),
+};
+/* *INDENT-ON* */
 
 /* *INDENT-OFF* */
 VLIB_PLUGIN_REGISTER () = {
     .version = VPP_BUILD_VER,
-    .description = "mbedtls based TLS Engine",
+    .description = "Transport Layer Security (TLS) Engine, Mbedtls Based",
 };
 /* *INDENT-ON* */