#include <openssl/ssl.h>
#include <openssl/conf.h>
#include <openssl/err.h>
+
#ifdef HAVE_OPENSSL_ASYNC
#include <openssl/async.h>
#endif
#include <ctype.h>
#include <tlsopenssl/tls_openssl.h>
-#define MAX_CRYPTO_LEN 16
+#define MAX_CRYPTO_LEN 64
-static openssl_main_t openssl_main;
+openssl_main_t openssl_main;
static u32
openssl_ctx_alloc (void)
{
if (!(*ctx))
*ctx = clib_mem_alloc (sizeof (openssl_ctx_t));
- memset (*ctx, 0, sizeof (openssl_ctx_t));
+ clib_memset (*ctx, 0, sizeof (openssl_ctx_t));
(*ctx)->ctx.c_thread_index = thread_index;
- (*ctx)->ctx.tls_ctx_engine = TLS_ENGINE_OPENSSL;
+ (*ctx)->ctx.tls_ctx_engine = CRYPTO_ENGINE_OPENSSL;
(*ctx)->ctx.app_session_handle = SESSION_INVALID_HANDLE;
(*ctx)->openssl_ctx_index = ctx - tm->ctx_pool[thread_index];
return ((*ctx)->openssl_ctx_index);
if (SSL_is_init_finished (oc->ssl) && !ctx->is_passive_close)
SSL_shutdown (oc->ssl);
- if (SSL_is_server (oc->ssl))
- {
- X509_free (oc->srvcert);
- EVP_PKEY_free (oc->pkey);
- }
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);
}
return &(*ctx)->ctx;
}
+static u32
+openssl_listen_ctx_alloc (void)
+{
+ openssl_main_t *om = &openssl_main;
+ openssl_listen_ctx_t *lctx;
+
+ pool_get (om->lctx_pool, lctx);
+
+ clib_memset (lctx, 0, sizeof (openssl_listen_ctx_t));
+ lctx->openssl_lctx_index = lctx - om->lctx_pool;
+ return lctx->openssl_lctx_index;
+}
+
+static void
+openssl_listen_ctx_free (openssl_listen_ctx_t * lctx)
+{
+ pool_put_index (openssl_main.lctx_pool, lctx->openssl_lctx_index);
+}
+
+openssl_listen_ctx_t *
+openssl_lctx_get (u32 lctx_index)
+{
+ return pool_elt_at_index (openssl_main.lctx_pool, lctx_index);
+}
+
static int
-openssl_try_handshake_read (openssl_ctx_t * oc,
- stream_session_t * tls_session)
+openssl_read_from_bio_into_fifo (svm_fifo_t * f, BIO * bio)
{
- u32 deq_max, deq_now;
- svm_fifo_t *f;
- int wrote, rv;
+ u32 enq_now, enq_max;
+ svm_fifo_chunk_t *c;
+ int read, rv;
- f = tls_session->server_rx_fifo;
- deq_max = svm_fifo_max_dequeue (f);
- if (!deq_max)
+ enq_max = svm_fifo_max_enqueue_prod (f);
+ if (!enq_max)
return 0;
- deq_now = clib_min (svm_fifo_max_read_chunk (f), deq_max);
- wrote = BIO_write (oc->wbio, svm_fifo_head (f), deq_now);
- if (wrote <= 0)
+ svm_fifo_fill_chunk_list (f);
+
+ enq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max);
+ if (!enq_now)
return 0;
- svm_fifo_dequeue_drop (f, wrote);
- if (wrote < deq_max)
+ read = BIO_read (bio, svm_fifo_tail (f), enq_now);
+ if (read <= 0)
+ return 0;
+
+ if (read == enq_now)
{
- deq_now = clib_min (svm_fifo_max_read_chunk (f), deq_max - wrote);
- rv = BIO_write (oc->wbio, svm_fifo_head (f), deq_now);
- if (rv > 0)
+ c = svm_fifo_tail_chunk (f);
+ while (read < enq_max)
{
- svm_fifo_dequeue_drop (f, rv);
- wrote += rv;
+ c = c->next;
+ enq_now = clib_min (c->length, enq_max - read);
+ rv = BIO_read (bio, c->data, enq_now);
+ read += rv > 0 ? rv : 0;
+
+ if (rv < enq_now)
+ break;
}
}
- return wrote;
+
+ svm_fifo_enqueue_nocopy (f, read);
+
+ return read;
}
static int
-openssl_try_handshake_write (openssl_ctx_t * oc,
- stream_session_t * tls_session)
+openssl_read_from_ssl_into_fifo (svm_fifo_t * f, SSL * ssl)
{
- u32 enq_max, deq_now;
- svm_fifo_t *f;
+ u32 enq_now, enq_max;
+ svm_fifo_chunk_t *c;
int read, rv;
- if (BIO_ctrl_pending (oc->rbio) <= 0)
+ enq_max = svm_fifo_max_enqueue_prod (f);
+ if (!enq_max)
return 0;
- f = tls_session->server_tx_fifo;
- enq_max = svm_fifo_max_enqueue (f);
- if (!enq_max)
+ svm_fifo_fill_chunk_list (f);
+
+ enq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max);
+ if (!enq_now)
return 0;
- deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max);
- read = BIO_read (oc->rbio, svm_fifo_tail (f), deq_now);
+ read = SSL_read (ssl, svm_fifo_tail (f), enq_now);
if (read <= 0)
return 0;
+ if (read == enq_now)
+ {
+ c = svm_fifo_tail_chunk (f);
+ while (read < enq_max)
+ {
+ c = c->next;
+ if (!c)
+ break;
+ enq_now = clib_min (c->length, enq_max - read);
+ rv = SSL_read (ssl, c->data, enq_now);
+ read += rv > 0 ? rv : 0;
+
+ if (rv < enq_now)
+ break;
+ }
+ }
+
svm_fifo_enqueue_nocopy (f, read);
- tls_add_vpp_q_evt (f, FIFO_EVENT_APP_TX);
- if (read < enq_max)
+ return read;
+}
+
+static int
+openssl_write_from_fifo_into_bio (svm_fifo_t * f, BIO * bio, u32 len)
+{
+ svm_fifo_chunk_t *c;
+ int wrote, rv;
+ u32 deq_now;
+
+ svm_fifo_fill_chunk_list (f);
+
+ deq_now = clib_min (svm_fifo_max_read_chunk (f), len);
+ wrote = BIO_write (bio, svm_fifo_head (f), deq_now);
+ if (wrote <= 0)
+ return 0;
+
+ if (wrote == deq_now)
{
- deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max - read);
- rv = BIO_read (oc->rbio, svm_fifo_tail (f), deq_now);
- if (rv > 0)
+ c = svm_fifo_head_chunk (f);
+ while (wrote < len)
{
- svm_fifo_enqueue_nocopy (f, rv);
- read += rv;
+ c = c->next;
+ deq_now = clib_min (c->length, len - wrote);
+ rv = BIO_write (bio, c->data, deq_now);
+ wrote += rv > 0 ? rv : 0;
+
+ if (rv < deq_now)
+ break;
}
}
- return read;
+ svm_fifo_dequeue_drop (f, wrote);
+
+ return wrote;
}
-#ifdef HAVE_OPENSSL_ASYNC
static int
-vpp_ssl_async_process_event (tls_ctx_t * ctx,
- openssl_resume_handler * handler)
+openssl_write_from_fifo_into_ssl (svm_fifo_t * f, SSL * ssl, u32 len)
{
- openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
- openssl_tls_callback_t *engine_cb;
+ svm_fifo_chunk_t *c;
+ int wrote = 0, rv;
+ u32 deq_now;
+
+ svm_fifo_fill_chunk_list (f);
+
+ deq_now = clib_min (svm_fifo_max_read_chunk (f), len);
+ wrote = SSL_write (ssl, svm_fifo_head (f), deq_now);
+ if (wrote <= 0)
+ return 0;
- engine_cb = vpp_add_async_pending_event (ctx, handler);
- if (engine_cb)
+ if (wrote == deq_now)
{
- SSL_set_async_callback (oc->ssl, (void *) engine_cb->callback,
- (void *) engine_cb->arg);
- TLS_DBG (2, "set callback to engine %p\n", engine_cb->callback);
+ c = svm_fifo_head_chunk (f);
+ while (wrote < len)
+ {
+ c = c->next;
+ deq_now = clib_min (c->length, len - wrote);
+ rv = SSL_write (ssl, c->data, deq_now);
+ wrote += rv > 0 ? rv : 0;
+
+ if (rv < deq_now)
+ break;
+ }
}
- return 0;
+ svm_fifo_dequeue_drop (f, wrote);
+
+ return wrote;
+}
+
+static int
+openssl_try_handshake_read (openssl_ctx_t * oc, session_t * tls_session)
+{
+ svm_fifo_t *f;
+ u32 deq_max;
+
+ f = tls_session->rx_fifo;
+ deq_max = svm_fifo_max_dequeue_cons (f);
+ if (!deq_max)
+ return 0;
+
+ return openssl_write_from_fifo_into_bio (f, oc->wbio, deq_max);
+}
+
+static int
+openssl_try_handshake_write (openssl_ctx_t * oc, session_t * tls_session)
+{
+ u32 read;
+
+ if (BIO_ctrl_pending (oc->rbio) <= 0)
+ return 0;
+
+ read = openssl_read_from_bio_into_fifo (tls_session->tx_fifo, oc->rbio);
+ if (read)
+ tls_add_vpp_q_tx_evt (tls_session);
+
+ return read;
}
-/* Due to engine busy stat, VPP need to retry later */
+#ifdef HAVE_OPENSSL_ASYNC
static int
-vpp_ssl_async_retry_func (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;
+ int estatus;
- if (vpp_add_async_run_event (ctx, handler))
+ SSL_get_async_status (oc->ssl, &estatus);
+ if (estatus == ASYNC_STATUS_EAGAIN)
{
- SSL_set_async_estatus (oc->ssl, 0);
+ vpp_tls_async_update_event (ctx, 1);
}
- return 0;
+ else
+ {
+ vpp_tls_async_update_event (ctx, 0);
+ }
+
+ return 1;
}
#endif
+static void
+openssl_handle_handshake_failure (tls_ctx_t * ctx)
+{
+ session_t *app_session;
+
+ if (SSL_is_server (((openssl_ctx_t *) ctx)->ssl))
+ {
+ /*
+ * Cleanup pre-allocated app session and close transport
+ */
+ app_session =
+ session_get_if_valid (ctx->c_s_index, ctx->c_thread_index);
+ if (app_session)
+ {
+ session_free (app_session);
+ 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, stream_session_t * tls_session)
+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))
{
ctx->resume = 0;
}
else if (!openssl_try_handshake_read (oc, tls_session))
- {
- break;
- }
+ break;
rv = SSL_do_handshake (oc->ssl);
err = SSL_get_error (oc->ssl, rv);
- openssl_try_handshake_write (oc, tls_session);
+
#ifdef HAVE_OPENSSL_ASYNC
- myself = openssl_ctx_handshake_rx;
- if (SSL_get_async_estatus (oc->ssl, &estatus)
- && (estatus == ENGINE_STATUS_RETRY))
- {
- vpp_ssl_async_retry_func (ctx, myself);
- }
if (err == SSL_ERROR_WANT_ASYNC)
{
- vpp_ssl_async_process_event (ctx, myself);
+ openssl_check_async_status (ctx, openssl_ctx_handshake_rx,
+ tls_session);
}
#endif
-
- if (err != SSL_ERROR_WANT_WRITE)
+ if (err == SSL_ERROR_SSL)
{
- if (err == SSL_ERROR_SSL)
- {
- char buf[512];
- ERR_error_string (ERR_get_error (), buf);
- clib_warning ("Err: %s", buf);
- }
- break;
+ char buf[512];
+ ERR_error_string (ERR_get_error (), buf);
+ clib_warning ("Err: %s", buf);
+
+ openssl_handle_handshake_failure (ctx);
+ return -1;
}
+
+ openssl_try_handshake_write (oc, tls_session);
+
+ if (err != SSL_ERROR_WANT_WRITE)
+ break;
}
TLS_DBG (2, "tls state for %u is %s", oc->openssl_ctx_index,
SSL_state_string_long (oc->ssl));
if (SSL_in_init (oc->ssl))
- return 0;
+ return -1;
/*
* Handshake complete
}
else
{
- tls_notify_app_accept (ctx);
+ /* Need to check transport status */
+ if (ctx->is_passive_close)
+ openssl_handle_handshake_failure (ctx);
+ else
+ tls_notify_app_accept (ctx);
}
TLS_DBG (1, "Handshake for %u complete. TLS cipher is %s",
return rv;
}
+static void
+openssl_confirm_app_close (tls_ctx_t * ctx)
+{
+ tls_disconnect_transport (ctx);
+ session_transport_closed_notify (&ctx->connection);
+}
+
static inline int
-openssl_ctx_write (tls_ctx_t * ctx, stream_session_t * app_session)
+openssl_ctx_write (tls_ctx_t * ctx, session_t * app_session)
{
openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
- int wrote = 0, rv, read, max_buf = 100 * TLS_CHUNK_SIZE, max_space;
- u32 enq_max, deq_max, deq_now, to_write;
- stream_session_t *tls_session;
+ int wrote = 0, read, max_buf = 100 * TLS_CHUNK_SIZE, max_space;
+ u32 deq_max, to_write;
+ session_t *tls_session;
svm_fifo_t *f;
- f = app_session->server_tx_fifo;
- deq_max = svm_fifo_max_dequeue (f);
+ f = app_session->tx_fifo;
+
+ deq_max = svm_fifo_max_dequeue_cons (f);
if (!deq_max)
goto check_tls_fifo;
+ /* Figure out how much data to write */
max_space = max_buf - BIO_ctrl_pending (oc->rbio);
max_space = (max_space < 0) ? 0 : max_space;
- deq_now = clib_min (deq_max, (u32) max_space);
- to_write = clib_min (svm_fifo_max_read_chunk (f), deq_now);
- wrote = SSL_write (oc->ssl, svm_fifo_head (f), to_write);
- if (wrote <= 0)
+ to_write = clib_min (deq_max, (u32) max_space);
+
+ wrote = openssl_write_from_fifo_into_ssl (f, oc->ssl, to_write);
+ if (!wrote)
{
- tls_add_vpp_q_evt (app_session->server_tx_fifo, FIFO_EVENT_APP_TX);
+ tls_add_vpp_q_builtin_tx_evt (app_session);
goto check_tls_fifo;
}
- svm_fifo_dequeue_drop (app_session->server_tx_fifo, wrote);
- if (wrote < deq_now)
- {
- to_write = clib_min (svm_fifo_max_read_chunk (f), deq_now - wrote);
- rv = SSL_write (oc->ssl, svm_fifo_head (f), to_write);
- if (rv > 0)
- {
- svm_fifo_dequeue_drop (app_session->server_tx_fifo, rv);
- wrote += rv;
- }
- }
- if (deq_now < deq_max)
- tls_add_vpp_q_evt (app_session->server_tx_fifo, FIFO_EVENT_APP_TX);
+ if (svm_fifo_needs_deq_ntf (f, wrote))
+ session_dequeue_notify (app_session);
+
+ if (svm_fifo_max_dequeue_cons (f))
+ tls_add_vpp_q_builtin_tx_evt (app_session);
check_tls_fifo:
return wrote;
tls_session = session_get_from_handle (ctx->tls_session_handle);
- f = tls_session->server_tx_fifo;
- enq_max = svm_fifo_max_enqueue (f);
- if (!enq_max)
- {
- tls_add_vpp_q_evt (app_session->server_tx_fifo, FIFO_EVENT_APP_TX);
- return wrote;
- }
- deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max);
- read = BIO_read (oc->rbio, svm_fifo_tail (f), deq_now);
- if (read <= 0)
+ read = openssl_read_from_bio_into_fifo (tls_session->tx_fifo, oc->rbio);
+ if (!read)
{
- tls_add_vpp_q_evt (app_session->server_tx_fifo, FIFO_EVENT_APP_TX);
+ tls_add_vpp_q_builtin_tx_evt (app_session);
return wrote;
}
- svm_fifo_enqueue_nocopy (f, read);
- tls_add_vpp_q_evt (f, FIFO_EVENT_APP_TX);
-
- if (read < enq_max && BIO_ctrl_pending (oc->rbio) > 0)
- {
- deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max - read);
- read = BIO_read (oc->rbio, svm_fifo_tail (f), deq_now);
- if (read > 0)
- svm_fifo_enqueue_nocopy (f, read);
- }
+ tls_add_vpp_q_tx_evt (tls_session);
if (BIO_ctrl_pending (oc->rbio) > 0)
- tls_add_vpp_q_evt (app_session->server_tx_fifo, FIFO_EVENT_APP_TX);
+ tls_add_vpp_q_builtin_tx_evt (app_session);
+ else if (ctx->app_closed)
+ openssl_confirm_app_close (ctx);
return wrote;
}
static inline int
-openssl_ctx_read (tls_ctx_t * ctx, stream_session_t * tls_session)
+openssl_ctx_read (tls_ctx_t * ctx, session_t * tls_session)
{
- int read, wrote = 0, max_space, max_buf = 100 * TLS_CHUNK_SIZE, rv;
+ int read, wrote = 0, max_space, max_buf = 100 * TLS_CHUNK_SIZE;
openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
- u32 deq_max, enq_max, deq_now, to_read;
- stream_session_t *app_session;
+ u32 deq_max, to_write;
+ session_t *app_session;
svm_fifo_t *f;
if (PREDICT_FALSE (SSL_in_init (oc->ssl)))
{
- openssl_ctx_handshake_rx (ctx, tls_session);
- return 0;
+ if (openssl_ctx_handshake_rx (ctx, tls_session) < 0)
+ return 0;
+ else
+ goto check_app_fifo;
}
- f = tls_session->server_rx_fifo;
- deq_max = svm_fifo_max_dequeue (f);
+ f = tls_session->rx_fifo;
+
+ deq_max = svm_fifo_max_dequeue_cons (f);
max_space = max_buf - BIO_ctrl_pending (oc->wbio);
max_space = max_space < 0 ? 0 : max_space;
- deq_now = clib_min (deq_max, max_space);
- if (!deq_now)
+ to_write = clib_min (deq_max, max_space);
+ if (!to_write)
goto check_app_fifo;
- to_read = clib_min (svm_fifo_max_read_chunk (f), deq_now);
- wrote = BIO_write (oc->wbio, svm_fifo_head (f), to_read);
- if (wrote <= 0)
+ wrote = openssl_write_from_fifo_into_bio (f, oc->wbio, to_write);
+ if (!wrote)
{
- tls_add_vpp_q_evt (tls_session->server_rx_fifo, FIFO_EVENT_BUILTIN_RX);
+ tls_add_vpp_q_builtin_rx_evt (tls_session);
goto check_app_fifo;
}
- svm_fifo_dequeue_drop (f, wrote);
- if (wrote < deq_now)
- {
- to_read = clib_min (svm_fifo_max_read_chunk (f), deq_now - wrote);
- rv = BIO_write (oc->wbio, svm_fifo_head (f), to_read);
- if (rv > 0)
- {
- svm_fifo_dequeue_drop (f, rv);
- wrote += rv;
- }
- }
- if (svm_fifo_max_dequeue (f))
- tls_add_vpp_q_evt (tls_session->server_rx_fifo, FIFO_EVENT_BUILTIN_RX);
+
+ if (svm_fifo_max_dequeue_cons (f))
+ tls_add_vpp_q_builtin_rx_evt (tls_session);
check_app_fifo:
return wrote;
app_session = session_get_from_handle (ctx->app_session_handle);
- f = app_session->server_rx_fifo;
- enq_max = svm_fifo_max_enqueue (f);
- if (!enq_max)
- {
- tls_add_vpp_q_evt (tls_session->server_rx_fifo, FIFO_EVENT_BUILTIN_RX);
- return wrote;
- }
+ f = app_session->rx_fifo;
- deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max);
- read = SSL_read (oc->ssl, svm_fifo_tail (f), deq_now);
- if (read <= 0)
+ read = openssl_read_from_ssl_into_fifo (f, oc->ssl);
+ if (!read)
{
- tls_add_vpp_q_evt (tls_session->server_rx_fifo, FIFO_EVENT_BUILTIN_RX);
+ tls_add_vpp_q_builtin_rx_evt (tls_session);
return wrote;
}
- svm_fifo_enqueue_nocopy (f, read);
- if (read < enq_max && BIO_ctrl_pending (oc->wbio) > 0)
- {
- deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max - read);
- read = SSL_read (oc->ssl, svm_fifo_tail (f), deq_now);
- if (read > 0)
- svm_fifo_enqueue_nocopy (f, read);
- }
- tls_notify_app_enqueue (ctx, app_session);
- if (BIO_ctrl_pending (oc->wbio) > 0)
- tls_add_vpp_q_evt (tls_session->server_rx_fifo, FIFO_EVENT_BUILTIN_RX);
+ /* If handshake just completed, session may still be in accepting state */
+ if (app_session->session_state >= SESSION_STATE_READY)
+ tls_notify_app_enqueue (ctx, app_session);
+ if (SSL_pending (oc->ssl) > 0)
+ tls_add_vpp_q_builtin_rx_evt (tls_session);
return wrote;
}
static int
openssl_ctx_init_client (tls_ctx_t * ctx)
{
- char *ciphers = "ALL:!ADH:!LOW:!EXP:!MD5:!RC4-SHA:!DES-CBC3-SHA:@STRENGTH";
long flags = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_COMPRESSION;
openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
openssl_main_t *om = &openssl_main;
- stream_session_t *tls_session;
+ 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)
if (om->async)
SSL_CTX_set_mode (oc->ssl_ctx, SSL_MODE_ASYNC);
#endif
- rv = SSL_CTX_set_cipher_list (oc->ssl_ctx, (const char *) ciphers);
+ rv = SSL_CTX_set_cipher_list (oc->ssl_ctx, (const char *) om->ciphers);
if (rv != 1)
{
TLS_DBG (1, "Couldn't set cipher");
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);
#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
}
static int
-openssl_ctx_init_server (tls_ctx_t * ctx)
+openssl_start_listen (tls_ctx_t * lctx)
{
- char *ciphers = "ALL:!ADH:!LOW:!EXP:!MD5:!RC4-SHA:!DES-CBC3-SHA:@STRENGTH";
- long flags = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_COMPRESSION;
- openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
- stream_session_t *tls_session;
const SSL_METHOD *method;
- application_t *app;
- int rv, err;
+ SSL_CTX *ssl_ctx;
+ int rv;
BIO *cert_bio;
-#ifdef HAVE_OPENSSL_ASYNC
+ X509 *srvcert;
+ EVP_PKEY *pkey;
+ u32 olc_index;
+ openssl_listen_ctx_t *olc;
+ app_cert_key_pair_t *ckpair;
+
+ long flags = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_COMPRESSION;
openssl_main_t *om = &openssl_main;
- openssl_resume_handler *handler;
-#endif
- app = application_get (ctx->parent_app_index);
- if (!app->tls_cert || !app->tls_key)
+ ckpair = app_cert_key_pair_get_if_valid (lctx->ckpair_index);
+ if (!ckpair)
+ return -1;
+
+ if (!ckpair->cert || !ckpair->key)
{
TLS_DBG (1, "tls cert and/or key not configured %d",
- ctx->parent_app_index);
+ lctx->parent_app_wrk_index);
return -1;
}
method = SSLv23_method ();
- oc->ssl_ctx = SSL_CTX_new (method);
- if (!oc->ssl_ctx)
+ ssl_ctx = SSL_CTX_new (method);
+ if (!ssl_ctx)
{
clib_warning ("Unable to create SSL context");
return -1;
}
- SSL_CTX_set_mode (oc->ssl_ctx, SSL_MODE_ENABLE_PARTIAL_WRITE);
+ SSL_CTX_set_mode (ssl_ctx, SSL_MODE_ENABLE_PARTIAL_WRITE);
#ifdef HAVE_OPENSSL_ASYNC
if (om->async)
- SSL_CTX_set_mode (oc->ssl_ctx, SSL_MODE_ASYNC);
+ {
+ 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 (oc->ssl_ctx, flags);
- SSL_CTX_set_ecdh_auto (oc->ssl_ctx, 1);
+ SSL_CTX_set_options (ssl_ctx, flags);
+ SSL_CTX_set_ecdh_auto (ssl_ctx, 1);
- rv = SSL_CTX_set_cipher_list (oc->ssl_ctx, (const char *) ciphers);
+ rv = SSL_CTX_set_cipher_list (ssl_ctx, (const char *) om->ciphers);
if (rv != 1)
{
TLS_DBG (1, "Couldn't set cipher");
* Set the key and cert
*/
cert_bio = BIO_new (BIO_s_mem ());
- BIO_write (cert_bio, app->tls_cert, vec_len (app->tls_cert));
- oc->srvcert = PEM_read_bio_X509 (cert_bio, NULL, NULL, NULL);
- if (!oc->srvcert)
+ BIO_write (cert_bio, ckpair->cert, vec_len (ckpair->cert));
+ srvcert = PEM_read_bio_X509 (cert_bio, NULL, NULL, NULL);
+ if (!srvcert)
{
clib_warning ("unable to parse certificate");
return -1;
}
- SSL_CTX_use_certificate (oc->ssl_ctx, oc->srvcert);
+ SSL_CTX_use_certificate (ssl_ctx, srvcert);
BIO_free (cert_bio);
-
cert_bio = BIO_new (BIO_s_mem ());
- BIO_write (cert_bio, app->tls_key, vec_len (app->tls_key));
- oc->pkey = PEM_read_bio_PrivateKey (cert_bio, NULL, NULL, NULL);
- if (!oc->pkey)
+ BIO_write (cert_bio, ckpair->key, vec_len (ckpair->key));
+ pkey = PEM_read_bio_PrivateKey (cert_bio, NULL, NULL, NULL);
+ if (!pkey)
{
clib_warning ("unable to parse pkey");
return -1;
}
- SSL_CTX_use_PrivateKey (oc->ssl_ctx, oc->pkey);
-
- SSL_CTX_use_PrivateKey (oc->ssl_ctx, oc->pkey);
+ SSL_CTX_use_PrivateKey (ssl_ctx, pkey);
BIO_free (cert_bio);
+ olc_index = openssl_listen_ctx_alloc ();
+ olc = openssl_lctx_get (olc_index);
+ olc->ssl_ctx = ssl_ctx;
+ olc->srvcert = srvcert;
+ olc->pkey = pkey;
+
+ /* store SSL_CTX into TLS level structure */
+ lctx->tls_ssl_ctx = olc_index;
+
+ return 0;
+
+}
+
+static int
+openssl_stop_listen (tls_ctx_t * lctx)
+{
+ u32 olc_index;
+ openssl_listen_ctx_t *olc;
+
+ olc_index = lctx->tls_ssl_ctx;
+ olc = openssl_lctx_get (olc_index);
+
+ X509_free (olc->srvcert);
+ EVP_PKEY_free (olc->pkey);
+
+ SSL_CTX_free (olc->ssl_ctx);
+ openssl_listen_ctx_free (olc);
+
+ return 0;
+}
+
+static int
+openssl_ctx_init_server (tls_ctx_t * ctx)
+{
+ openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
+ u32 olc_index = ctx->tls_ssl_ctx;
+ openssl_listen_ctx_t *olc;
+ session_t *tls_session;
+ int rv, err;
+
/* Start a new connection */
- oc->ssl = SSL_new (oc->ssl_ctx);
+ olc = openssl_lctx_get (olc_index);
+ oc->ssl = SSL_new (olc->ssl_ctx);
if (oc->ssl == NULL)
{
TLS_DBG (1, "Couldn't initialize ssl struct");
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);
#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
return SSL_is_init_finished (mc->ssl);
}
+static int
+openssl_transport_close (tls_ctx_t * ctx)
+{
+#ifdef HAVE_OPENSSL_ASYNC
+ if (vpp_openssl_is_inflight (ctx))
+ return 0;
+#endif
+
+ if (!openssl_handshake_is_over (ctx))
+ {
+ openssl_handle_handshake_failure (ctx);
+ return 0;
+ }
+ session_transport_closing_notify (&ctx->connection);
+ return 0;
+}
+
+static int
+openssl_app_close (tls_ctx_t * ctx)
+{
+ openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
+ session_t *app_session;
+
+ /* Wait for all data to be written to tcp */
+ app_session = session_get_from_handle (ctx->app_session_handle);
+ if (BIO_ctrl_pending (oc->rbio) <= 0
+ && !svm_fifo_max_dequeue_cons (app_session->tx_fifo))
+ openssl_confirm_app_close (ctx);
+ else
+ ctx->app_closed = 1;
+ return 0;
+}
+
const static tls_engine_vft_t openssl_engine = {
.ctx_alloc = openssl_ctx_alloc,
.ctx_free = openssl_ctx_free,
.ctx_write = openssl_ctx_write,
.ctx_read = openssl_ctx_read,
.ctx_handshake_is_over = openssl_handshake_is_over,
+ .ctx_start_listen = openssl_start_listen,
+ .ctx_stop_listen = openssl_stop_listen,
+ .ctx_transport_close = openssl_transport_close,
+ .ctx_app_close = openssl_app_close,
};
int
return -1;
}
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+ rv = X509_STORE_load_file (om->cert_store, tm->ca_cert_path);
+#else
rv = X509_STORE_load_locations (om->cert_store, tm->ca_cert_path, 0);
+#endif
+
if (rv < 0)
{
clib_warning ("failed to load ca certificate");
return (rv < 0 ? -1 : 0);
}
+int
+tls_openssl_set_ciphers (char *ciphers)
+{
+ openssl_main_t *om = &openssl_main;
+ int i;
+
+ if (!ciphers)
+ {
+ return -1;
+ }
+
+ vec_validate (om->ciphers, strlen (ciphers) - 1);
+ for (i = 0; i < vec_len (om->ciphers); i++)
+ {
+ om->ciphers[i] = toupper (ciphers[i]);
+ }
+
+ return 0;
+
+}
+
static clib_error_t *
tls_openssl_init (vlib_main_t * vm)
{
vlib_thread_main_t *vtm = vlib_get_thread_main ();
openssl_main_t *om = &openssl_main;
- clib_error_t *error;
+ clib_error_t *error = 0;
u32 num_threads;
+ error = tls_openssl_api_init (vm);
num_threads = 1 /* main thread */ + vtm->n_threads;
- if ((error = vlib_call_init_function (vm, tls_init)))
- return error;
-
SSL_library_init ();
SSL_load_error_strings ();
vec_validate (om->ctx_pool, num_threads - 1);
- tls_register_engine (&openssl_engine, TLS_ENGINE_OPENSSL);
+ tls_register_engine (&openssl_engine, CRYPTO_ENGINE_OPENSSL);
om->engine_init = 0;
- return 0;
+ /* default ciphers */
+ tls_openssl_set_ciphers
+ ("ALL:!ADH:!LOW:!EXP:!MD5:!RC4-SHA:!DES-CBC3-SHA:@STRENGTH");
+
+ return error;
}
+/* *INDENT-OFF* */
+VLIB_INIT_FUNCTION (tls_openssl_init) =
+{
+ .runs_after = VLIB_INITS("tls_init"),
+};
+/* *INDENT-ON* */
#ifdef HAVE_OPENSSL_ASYNC
static clib_error_t *
openssl_main_t *om = &openssl_main;
char *engine_name = NULL;
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)
}
else if (unformat (input, "async"))
{
- om->async = 1;
- openssl_async_node_enable_disable (1);
+ async = 1;
}
else if (unformat (input, "alg %s", &engine_alg))
{
for (i = 0; i < strnlen (engine_alg, MAX_CRYPTO_LEN); i++)
engine_alg[i] = toupper (engine_alg[i]);
}
+ else if (unformat (input, "ciphers %s", &ciphers))
+ {
+ tls_openssl_set_ciphers (ciphers);
+ }
else
return clib_error_return (0, "failed: unknown input `%U'",
format_unformat_error, 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))
+ 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;
}
/* *INDENT-ON* */
#endif
-
-VLIB_INIT_FUNCTION (tls_openssl_init);
-
/* *INDENT-OFF* */
VLIB_PLUGIN_REGISTER () = {
.version = VPP_BUILD_VER,
- .description = "openssl based TLS Engine",
+ .description = "Transport Layer Security (TLS) Engine, OpenSSL Based",
};
/* *INDENT-ON* */
Code Review / vpp.git / blobdiff