summaryrefslogtreecommitdiffstats
path: root/src/plugins/tlsopenssl/tls_openssl.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/tlsopenssl/tls_openssl.c')
-rw-r--r--src/plugins/tlsopenssl/tls_openssl.c111
1 files changed, 50 insertions, 61 deletions
diff --git a/src/plugins/tlsopenssl/tls_openssl.c b/src/plugins/tlsopenssl/tls_openssl.c
index 70dfc3f256b..8e5e73a6cfb 100644
--- a/src/plugins/tlsopenssl/tls_openssl.c
+++ b/src/plugins/tlsopenssl/tls_openssl.c
@@ -59,6 +59,9 @@ openssl_ctx_free (tls_ctx_t * ctx)
SSL_free (oc->ssl);
+#ifdef HAVE_OPENSSL_ASYNC
+ openssl_evt_free (ctx->evt_index, ctx->c_thread_index);
+#endif
vec_free (ctx->srv_hostname);
pool_put_index (openssl_main.ctx_pool[ctx->c_thread_index],
oc->openssl_ctx_index);
@@ -176,31 +179,23 @@ openssl_try_handshake_write (openssl_ctx_t * oc, session_t * tls_session)
#ifdef HAVE_OPENSSL_ASYNC
static int
-vpp_ssl_async_process_event (tls_ctx_t * ctx,
- openssl_resume_handler * handler)
+openssl_check_async_status (tls_ctx_t * ctx, openssl_resume_handler * handler,
+ session_t * session)
{
openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
- openssl_tls_callback_t *engine_cb;
+ int estatus;
- engine_cb = vpp_add_async_pending_event (ctx, handler);
- if (engine_cb)
+ SSL_get_async_status (oc->ssl, &estatus);
+ if (estatus == ASYNC_STATUS_EAGAIN)
{
- SSL_set_async_callback_arg (oc->ssl, (void *) engine_cb->arg);
- TLS_DBG (2, "set callback to engine %p\n", engine_cb->callback);
+ vpp_tls_async_update_event (ctx, 1);
+ }
+ else
+ {
+ vpp_tls_async_update_event (ctx, 0);
}
- return 0;
-
-}
-
-/* Due to engine busy stat, VPP need to retry later */
-static int
-vpp_ssl_async_retry_func (tls_ctx_t * ctx, openssl_resume_handler * handler)
-{
-
- if (vpp_add_async_run_event (ctx, handler))
- return 1;
- return 0;
+ return 1;
}
@@ -233,10 +228,6 @@ openssl_ctx_handshake_rx (tls_ctx_t * ctx, session_t * tls_session)
{
openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
int rv = 0, err;
-#ifdef HAVE_OPENSSL_ASYNC
- int estatus;
- openssl_resume_handler *myself;
-#endif
while (SSL_in_init (oc->ssl))
{
@@ -245,18 +236,18 @@ openssl_ctx_handshake_rx (tls_ctx_t * ctx, session_t * tls_session)
ctx->resume = 0;
}
else if (!openssl_try_handshake_read (oc, tls_session))
- {
- break;
- }
-
-#ifdef HAVE_OPENSSL_ASYNC
- myself = openssl_ctx_handshake_rx;
- vpp_ssl_async_process_event (ctx, myself);
-#endif
+ break;
rv = SSL_do_handshake (oc->ssl);
err = SSL_get_error (oc->ssl, rv);
+#ifdef HAVE_OPENSSL_ASYNC
+ if (err == SSL_ERROR_WANT_ASYNC)
+ {
+ openssl_check_async_status (ctx, openssl_ctx_handshake_rx,
+ tls_session);
+ }
+#endif
if (err == SSL_ERROR_SSL)
{
char buf[512];
@@ -268,17 +259,6 @@ openssl_ctx_handshake_rx (tls_ctx_t * ctx, session_t * tls_session)
}
openssl_try_handshake_write (oc, tls_session);
-#ifdef HAVE_OPENSSL_ASYNC
- if (err == SSL_ERROR_WANT_ASYNC)
- {
- SSL_get_async_status (oc->ssl, &estatus);
-
- if (estatus == ASYNC_STATUS_EAGAIN)
- {
- vpp_ssl_async_retry_func (ctx, myself);
- }
- }
-#endif
if (err != SSL_ERROR_WANT_WRITE)
break;
@@ -287,7 +267,7 @@ openssl_ctx_handshake_rx (tls_ctx_t * ctx, session_t * tls_session)
SSL_state_string_long (oc->ssl));
if (SSL_in_init (oc->ssl))
- return 0;
+ return -1;
/*
* Handshake complete
@@ -507,9 +487,6 @@ openssl_ctx_init_client (tls_ctx_t * ctx)
session_t *tls_session;
const SSL_METHOD *method;
int rv, err;
-#ifdef HAVE_OPENSSL_ASYNC
- openssl_resume_handler *handler;
-#endif
method = SSLv23_client_method ();
if (method == NULL)
@@ -571,6 +548,10 @@ openssl_ctx_init_client (tls_ctx_t * ctx)
oc->openssl_ctx_index);
tls_session = session_get_from_handle (ctx->tls_session_handle);
+
+#ifdef HAVE_OPENSSL_ASYNC
+ vpp_tls_async_init_event (ctx, openssl_ctx_handshake_rx, tls_session);
+#endif
while (1)
{
rv = SSL_do_handshake (oc->ssl);
@@ -579,8 +560,8 @@ openssl_ctx_init_client (tls_ctx_t * ctx)
#ifdef HAVE_OPENSSL_ASYNC
if (err == SSL_ERROR_WANT_ASYNC)
{
- handler = (openssl_resume_handler *) openssl_ctx_handshake_rx;
- vpp_ssl_async_process_event (ctx, handler);
+ openssl_check_async_status (ctx, openssl_ctx_handshake_rx,
+ tls_session);
break;
}
#endif
@@ -631,8 +612,10 @@ openssl_start_listen (tls_ctx_t * lctx)
SSL_CTX_set_mode (ssl_ctx, SSL_MODE_ENABLE_PARTIAL_WRITE);
#ifdef HAVE_OPENSSL_ASYNC
if (om->async)
- SSL_CTX_set_mode (ssl_ctx, SSL_MODE_ASYNC);
- SSL_CTX_set_async_callback (ssl_ctx, tls_async_openssl_callback);
+ {
+ SSL_CTX_set_mode (ssl_ctx, SSL_MODE_ASYNC);
+ SSL_CTX_set_async_callback (ssl_ctx, tls_async_openssl_callback);
+ }
#endif
SSL_CTX_set_options (ssl_ctx, flags);
SSL_CTX_set_ecdh_auto (ssl_ctx, 1);
@@ -708,9 +691,6 @@ openssl_ctx_init_server (tls_ctx_t * ctx)
openssl_listen_ctx_t *olc;
session_t *tls_session;
int rv, err;
-#ifdef HAVE_OPENSSL_ASYNC
- openssl_resume_handler *handler;
-#endif
/* Start a new connection */
@@ -735,6 +715,9 @@ openssl_ctx_init_server (tls_ctx_t * ctx)
oc->openssl_ctx_index);
tls_session = session_get_from_handle (ctx->tls_session_handle);
+#ifdef HAVE_OPENSSL_ASYNC
+ vpp_tls_async_init_event (ctx, openssl_ctx_handshake_rx, tls_session);
+#endif
while (1)
{
rv = SSL_do_handshake (oc->ssl);
@@ -743,8 +726,8 @@ openssl_ctx_init_server (tls_ctx_t * ctx)
#ifdef HAVE_OPENSSL_ASYNC
if (err == SSL_ERROR_WANT_ASYNC)
{
- handler = (openssl_resume_handler *) openssl_ctx_handshake_rx;
- vpp_ssl_async_process_event (ctx, handler);
+ openssl_check_async_status (ctx, openssl_ctx_handshake_rx,
+ tls_session);
break;
}
#endif
@@ -928,7 +911,7 @@ tls_openssl_set_command_fn (vlib_main_t * vm, unformat_input_t * input,
char *engine_alg = NULL;
char *ciphers = NULL;
u8 engine_name_set = 0;
- int i;
+ int i, async = 0;
/* By present, it is not allowed to configure engine again after running */
if (om->engine_init)
@@ -946,8 +929,7 @@ tls_openssl_set_command_fn (vlib_main_t * vm, unformat_input_t * input,
}
else if (unformat (input, "async"))
{
- om->async = 1;
- openssl_async_node_enable_disable (1);
+ async = 1;
}
else if (unformat (input, "alg %s", &engine_alg))
{
@@ -967,16 +949,23 @@ tls_openssl_set_command_fn (vlib_main_t * vm, unformat_input_t * input,
if (!engine_name_set)
{
clib_warning ("No engine provided! \n");
- om->async = 0;
+ async = 0;
}
else
{
- if (openssl_engine_register (engine_name, engine_alg) < 0)
+ vnet_session_enable_disable (vm, 1);
+ if (openssl_engine_register (engine_name, engine_alg, async) < 0)
{
- return clib_error_return (0, "failed to register %s polling",
+ return clib_error_return (0, "Failed to register %s polling",
engine_name);
}
+ else
+ {
+ vlib_cli_output (vm, "Successfully register engine %s\n",
+ engine_name);
+ }
}
+ om->async = async;
return 0;
}