2 * Copyright (c) 2018-2019 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/session/application_interface.h>
17 #include <vppinfra/lock.h>
18 #include <vnet/tls/tls.h>
20 static tls_main_t tls_main;
21 static tls_engine_vft_t *tls_vfts;
23 #define TLS_INVALID_HANDLE ~0
24 #define TLS_IDX_MASK 0x00FFFFFF
25 #define TLS_ENGINE_TYPE_SHIFT 29
27 void tls_disconnect (u32 ctx_handle, u32 thread_index);
30 tls_disconnect_transport (tls_ctx_t * ctx)
32 vnet_disconnect_args_t a = {
33 .handle = ctx->tls_session_handle,
34 .app_index = tls_main.app_index,
37 if (vnet_disconnect_session (&a))
38 clib_warning ("disconnect returned");
42 tls_get_available_engine (void)
45 for (i = 0; i < vec_len (tls_vfts); i++)
47 if (tls_vfts[i].ctx_alloc)
50 return CRYPTO_ENGINE_NONE;
54 tls_add_vpp_q_rx_evt (session_t * s)
56 if (svm_fifo_set_event (s->rx_fifo))
57 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_RX);
62 tls_add_vpp_q_builtin_rx_evt (session_t * s)
64 if (svm_fifo_set_event (s->rx_fifo))
65 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX);
70 tls_add_vpp_q_tx_evt (session_t * s)
72 if (svm_fifo_set_event (s->tx_fifo))
73 session_send_io_evt_to_thread (s->tx_fifo, SESSION_IO_EVT_TX);
78 tls_add_vpp_q_builtin_tx_evt (session_t * s)
80 if (svm_fifo_set_event (s->tx_fifo))
81 session_send_io_evt_to_thread_custom (s, s->thread_index,
82 SESSION_IO_EVT_BUILTIN_TX);
87 tls_add_app_q_evt (app_worker_t * app, session_t * app_session)
89 return app_worker_lock_and_send_event (app, app_session, SESSION_IO_EVT_RX);
93 tls_listener_ctx_alloc (void)
95 tls_main_t *tm = &tls_main;
98 pool_get (tm->listener_ctx_pool, ctx);
99 clib_memset (ctx, 0, sizeof (*ctx));
100 return ctx - tm->listener_ctx_pool;
104 tls_listener_ctx_free (tls_ctx_t * ctx)
107 memset (ctx, 0xfb, sizeof (*ctx));
108 pool_put (tls_main.listener_ctx_pool, ctx);
112 tls_listener_ctx_get (u32 ctx_index)
114 return pool_elt_at_index (tls_main.listener_ctx_pool, ctx_index);
118 tls_listener_ctx_index (tls_ctx_t * ctx)
120 return (ctx - tls_main.listener_ctx_pool);
124 tls_ctx_half_open_alloc (void)
126 tls_main_t *tm = &tls_main;
131 pool_get_aligned_will_expand (tm->half_open_ctx_pool, will_expand, 0);
132 if (PREDICT_FALSE (will_expand && vlib_num_workers ()))
134 clib_rwlock_writer_lock (&tm->half_open_rwlock);
135 pool_get (tm->half_open_ctx_pool, ctx);
136 ctx_index = ctx - tm->half_open_ctx_pool;
137 clib_rwlock_writer_unlock (&tm->half_open_rwlock);
141 /* reader lock assumption: only main thread will call pool_get */
142 clib_rwlock_reader_lock (&tm->half_open_rwlock);
143 pool_get (tm->half_open_ctx_pool, ctx);
144 ctx_index = ctx - tm->half_open_ctx_pool;
145 clib_rwlock_reader_unlock (&tm->half_open_rwlock);
147 clib_memset (ctx, 0, sizeof (*ctx));
152 tls_ctx_half_open_free (u32 ho_index)
154 tls_main_t *tm = &tls_main;
155 clib_rwlock_writer_lock (&tm->half_open_rwlock);
156 pool_put_index (tls_main.half_open_ctx_pool, ho_index);
157 clib_rwlock_writer_unlock (&tm->half_open_rwlock);
161 tls_ctx_half_open_get (u32 ctx_index)
163 tls_main_t *tm = &tls_main;
164 clib_rwlock_reader_lock (&tm->half_open_rwlock);
165 return pool_elt_at_index (tm->half_open_ctx_pool, ctx_index);
169 tls_ctx_half_open_reader_unlock ()
171 clib_rwlock_reader_unlock (&tls_main.half_open_rwlock);
175 tls_ctx_half_open_index (tls_ctx_t * ctx)
177 return (ctx - tls_main.half_open_ctx_pool);
181 tls_notify_app_enqueue (tls_ctx_t * ctx, session_t * app_session)
183 app_worker_t *app_wrk;
184 app_wrk = app_worker_get_if_valid (app_session->app_wrk_index);
185 if (PREDICT_TRUE (app_wrk != 0))
186 tls_add_app_q_evt (app_wrk, app_session);
190 tls_notify_app_accept (tls_ctx_t * ctx)
192 session_t *app_listener, *app_session;
193 app_worker_t *app_wrk;
197 lctx = tls_listener_ctx_get (ctx->listener_ctx_index);
198 app_listener = listen_session_get_from_handle (lctx->app_session_handle);
200 app_session = session_get (ctx->c_s_index, ctx->c_thread_index);
201 app_session->app_wrk_index = ctx->parent_app_wrk_index;
202 app_session->connection_index = ctx->tls_ctx_handle;
203 app_session->session_type = app_listener->session_type;
204 app_session->listener_handle = listen_session_get_handle (app_listener);
205 app_session->session_state = SESSION_STATE_ACCEPTING;
207 if ((rv = app_worker_init_accepted (app_session)))
209 TLS_DBG (1, "failed to allocate fifos");
210 session_free (app_session);
213 ctx->app_session_handle = session_handle (app_session);
214 session_lookup_add_connection (&ctx->connection,
215 session_handle (app_session));
216 ctx->parent_app_wrk_index = app_session->app_wrk_index;
217 app_wrk = app_worker_get (app_session->app_wrk_index);
218 return app_worker_accept_notify (app_wrk, app_session);
222 tls_notify_app_connected (tls_ctx_t * ctx, u8 is_failed)
224 session_t *app_session;
225 app_worker_t *app_wrk;
227 app_wrk = app_worker_get_if_valid (ctx->parent_app_wrk_index);
230 tls_disconnect_transport (ctx);
237 app_session = session_get (ctx->c_s_index, ctx->c_thread_index);
238 app_session->app_wrk_index = ctx->parent_app_wrk_index;
239 app_session->connection_index = ctx->tls_ctx_handle;
240 app_session->session_type =
241 session_type_from_proto_and_ip (TRANSPORT_PROTO_TLS, ctx->tcp_is_ip4);
243 if (app_worker_init_connected (app_wrk, app_session))
246 app_session->session_state = SESSION_STATE_CONNECTING;
247 if (app_worker_connect_notify (app_wrk, app_session,
248 ctx->parent_app_api_context))
250 TLS_DBG (1, "failed to notify app");
251 tls_disconnect (ctx->tls_ctx_handle, vlib_get_thread_index ());
255 ctx->app_session_handle = session_handle (app_session);
256 app_session->session_state = SESSION_STATE_READY;
257 session_lookup_add_connection (&ctx->connection,
258 session_handle (app_session));
263 /* Free app session pre-allocated when transport was established */
264 session_free (session_get (ctx->c_s_index, ctx->c_thread_index));
265 ctx->no_app_session = 1;
266 tls_disconnect (ctx->tls_ctx_handle, vlib_get_thread_index ());
267 return app_worker_connect_notify (app_wrk, 0, ctx->parent_app_api_context);
271 tls_ctx_parse_handle (u32 ctx_handle, u32 * ctx_index, u32 * engine_type)
273 *ctx_index = ctx_handle & TLS_IDX_MASK;
274 *engine_type = ctx_handle >> TLS_ENGINE_TYPE_SHIFT;
277 static inline crypto_engine_type_t
278 tls_get_engine_type (crypto_engine_type_t preferred)
280 if (!tls_vfts[preferred].ctx_alloc)
281 return tls_get_available_engine ();
286 tls_ctx_alloc (crypto_engine_type_t engine_type)
289 ctx_index = tls_vfts[engine_type].ctx_alloc ();
290 return (((u32) engine_type << TLS_ENGINE_TYPE_SHIFT) | ctx_index);
293 static inline tls_ctx_t *
294 tls_ctx_get (u32 ctx_handle)
296 u32 ctx_index, engine_type;
297 tls_ctx_parse_handle (ctx_handle, &ctx_index, &engine_type);
298 return tls_vfts[engine_type].ctx_get (ctx_index);
301 static inline tls_ctx_t *
302 tls_ctx_get_w_thread (u32 ctx_handle, u8 thread_index)
304 u32 ctx_index, engine_type;
305 tls_ctx_parse_handle (ctx_handle, &ctx_index, &engine_type);
306 return tls_vfts[engine_type].ctx_get_w_thread (ctx_index, thread_index);
310 tls_ctx_init_server (tls_ctx_t * ctx)
312 return tls_vfts[ctx->tls_ctx_engine].ctx_init_server (ctx);
316 tls_ctx_init_client (tls_ctx_t * ctx)
318 return tls_vfts[ctx->tls_ctx_engine].ctx_init_client (ctx);
322 tls_ctx_write (tls_ctx_t * ctx, session_t * app_session)
324 return tls_vfts[ctx->tls_ctx_engine].ctx_write (ctx, app_session);
328 tls_ctx_read (tls_ctx_t * ctx, session_t * tls_session)
330 return tls_vfts[ctx->tls_ctx_engine].ctx_read (ctx, tls_session);
334 tls_ctx_transport_close (tls_ctx_t * ctx)
336 return tls_vfts[ctx->tls_ctx_engine].ctx_transport_close (ctx);
340 tls_ctx_app_close (tls_ctx_t * ctx)
342 return tls_vfts[ctx->tls_ctx_engine].ctx_app_close (ctx);
346 tls_ctx_free (tls_ctx_t * ctx)
348 tls_vfts[ctx->tls_ctx_engine].ctx_free (ctx);
352 tls_ctx_handshake_is_over (tls_ctx_t * ctx)
354 return tls_vfts[ctx->tls_ctx_engine].ctx_handshake_is_over (ctx);
358 tls_session_reset_callback (session_t * s)
362 ctx = tls_ctx_get (s->opaque);
363 session_transport_reset_notify (&ctx->connection);
364 session_transport_closed_notify (&ctx->connection);
365 tls_disconnect_transport (ctx);
369 tls_add_segment_callback (u32 client_index, u64 segment_handle)
371 /* No-op for builtin */
376 tls_del_segment_callback (u32 client_index, u64 segment_handle)
382 tls_session_disconnect_callback (session_t * tls_session)
386 TLS_DBG (1, "TCP disconnecting handle %x session %u", tls_session->opaque,
387 tls_session->session_index);
389 ctx = tls_ctx_get (tls_session->opaque);
390 ctx->is_passive_close = 1;
391 tls_ctx_transport_close (ctx);
395 tls_session_accept_callback (session_t * tls_session)
397 session_t *tls_listener, *app_session;
398 tls_ctx_t *lctx, *ctx;
402 listen_session_get_from_handle (tls_session->listener_handle);
403 lctx = tls_listener_ctx_get (tls_listener->opaque);
405 ctx_handle = tls_ctx_alloc (lctx->tls_ctx_engine);
406 ctx = tls_ctx_get (ctx_handle);
407 memcpy (ctx, lctx, sizeof (*lctx));
408 ctx->c_thread_index = vlib_get_thread_index ();
409 ctx->tls_ctx_handle = ctx_handle;
410 tls_session->session_state = SESSION_STATE_READY;
411 tls_session->opaque = ctx_handle;
412 ctx->tls_session_handle = session_handle (tls_session);
413 ctx->listener_ctx_index = tls_listener->opaque;
414 ctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
415 ctx->ckpair_index = lctx->ckpair_index;
417 /* Preallocate app session. Avoids allocating a session post handshake
418 * on tls_session rx and potentially invalidating the session pool */
419 app_session = session_alloc (ctx->c_thread_index);
420 app_session->session_state = SESSION_STATE_CLOSED;
421 ctx->c_s_index = app_session->session_index;
423 TLS_DBG (1, "Accept on listener %u new connection [%u]%x",
424 tls_listener->opaque, vlib_get_thread_index (), ctx_handle);
426 return tls_ctx_init_server (ctx);
430 tls_app_rx_callback (session_t * tls_session)
434 ctx = tls_ctx_get (tls_session->opaque);
435 tls_ctx_read (ctx, tls_session);
440 tls_session_connected_callback (u32 tls_app_index, u32 ho_ctx_index,
441 session_t * tls_session, u8 is_fail)
443 session_t *app_session;
444 tls_ctx_t *ho_ctx, *ctx;
447 ho_ctx = tls_ctx_half_open_get (ho_ctx_index);
451 app_worker_t *app_wrk;
455 app_wrk = app_worker_get_if_valid (ho_ctx->parent_app_wrk_index);
458 api_context = ho_ctx->c_s_index;
459 app_worker_connect_notify (app_wrk, 0, api_context);
461 tls_ctx_half_open_reader_unlock ();
462 tls_ctx_half_open_free (ho_ctx_index);
466 ctx_handle = tls_ctx_alloc (ho_ctx->tls_ctx_engine);
467 ctx = tls_ctx_get (ctx_handle);
468 clib_memcpy_fast (ctx, ho_ctx, sizeof (*ctx));
469 tls_ctx_half_open_reader_unlock ();
470 tls_ctx_half_open_free (ho_ctx_index);
472 ctx->c_thread_index = vlib_get_thread_index ();
473 ctx->tls_ctx_handle = ctx_handle;
474 ctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
476 TLS_DBG (1, "TCP connect for %u returned %u. New connection [%u]%x",
477 ho_ctx_index, is_fail, vlib_get_thread_index (),
478 (ctx) ? ctx_handle : ~0);
480 ctx->tls_session_handle = session_handle (tls_session);
481 tls_session->opaque = ctx_handle;
482 tls_session->session_state = SESSION_STATE_READY;
484 /* Preallocate app session. Avoids allocating a session post handshake
485 * on tls_session rx and potentially invalidating the session pool */
486 app_session = session_alloc (ctx->c_thread_index);
487 app_session->session_state = SESSION_STATE_CLOSED;
488 ctx->c_s_index = app_session->session_index;
490 return tls_ctx_init_client (ctx);
494 tls_app_session_cleanup (session_t * s, session_cleanup_ntf_t ntf)
498 if (ntf == SESSION_CLEANUP_TRANSPORT)
501 ctx = tls_ctx_get (s->opaque);
502 if (!ctx->no_app_session)
503 session_transport_delete_notify (&ctx->connection);
508 static session_cb_vft_t tls_app_cb_vft = {
509 .session_accept_callback = tls_session_accept_callback,
510 .session_disconnect_callback = tls_session_disconnect_callback,
511 .session_connected_callback = tls_session_connected_callback,
512 .session_reset_callback = tls_session_reset_callback,
513 .add_segment_callback = tls_add_segment_callback,
514 .del_segment_callback = tls_del_segment_callback,
515 .builtin_app_rx_callback = tls_app_rx_callback,
516 .session_cleanup_callback = tls_app_session_cleanup,
521 tls_connect (transport_endpoint_cfg_t * tep)
523 vnet_connect_args_t _cargs = { {}, }, *cargs = &_cargs;
524 session_endpoint_cfg_t *sep;
525 crypto_engine_type_t engine_type;
526 tls_main_t *tm = &tls_main;
527 app_worker_t *app_wrk;
533 sep = (session_endpoint_cfg_t *) tep;
534 app_wrk = app_worker_get (sep->app_wrk_index);
535 app = application_get (app_wrk->app_index);
536 engine_type = tls_get_engine_type (app->tls_engine);
537 if (engine_type == CRYPTO_ENGINE_NONE)
539 clib_warning ("No tls engine_type available");
543 ctx_index = tls_ctx_half_open_alloc ();
544 ctx = tls_ctx_half_open_get (ctx_index);
545 ctx->parent_app_wrk_index = sep->app_wrk_index;
546 ctx->parent_app_api_context = sep->opaque;
547 ctx->tcp_is_ip4 = sep->is_ip4;
550 ctx->srv_hostname = format (0, "%v", sep->hostname);
551 vec_terminate_c_string (ctx->srv_hostname);
553 tls_ctx_half_open_reader_unlock ();
555 app_worker_alloc_connects_segment_manager (app_wrk);
556 ctx->tls_ctx_engine = engine_type;
558 clib_memcpy_fast (&cargs->sep, sep, sizeof (session_endpoint_t));
559 cargs->sep.transport_proto = TRANSPORT_PROTO_TCP;
560 cargs->app_index = tm->app_index;
561 cargs->api_context = ctx_index;
562 cargs->sep_ext.ns_index = app->ns_index;
563 if ((rv = vnet_connect (cargs)))
566 TLS_DBG (1, "New connect request %u engine %d", ctx_index, engine_type);
571 tls_disconnect (u32 ctx_handle, u32 thread_index)
575 TLS_DBG (1, "Disconnecting %x", ctx_handle);
577 ctx = tls_ctx_get (ctx_handle);
578 tls_ctx_app_close (ctx);
582 tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
584 vnet_listen_args_t _bargs, *args = &_bargs;
585 app_worker_t *app_wrk;
586 tls_main_t *tm = &tls_main;
587 session_handle_t tls_al_handle;
588 session_endpoint_cfg_t *sep;
589 session_t *tls_listener;
590 session_t *app_listener;
591 crypto_engine_type_t engine_type;
597 sep = (session_endpoint_cfg_t *) tep;
598 app_wrk = app_worker_get (sep->app_wrk_index);
599 app = application_get (app_wrk->app_index);
600 engine_type = tls_get_engine_type (app->tls_engine);
601 if (engine_type == CRYPTO_ENGINE_NONE)
603 clib_warning ("No tls engine_type available");
607 sep->transport_proto = TRANSPORT_PROTO_TCP;
608 clib_memset (args, 0, sizeof (*args));
609 args->app_index = tm->app_index;
610 args->sep_ext = *sep;
611 args->sep_ext.ns_index = app->ns_index;
612 if (vnet_listen (args))
615 lctx_index = tls_listener_ctx_alloc ();
616 tls_al_handle = args->handle;
617 al = app_listener_get_w_handle (tls_al_handle);
618 tls_listener = app_listener_get_session (al);
619 tls_listener->opaque = lctx_index;
621 app_listener = listen_session_get (app_listener_index);
623 lctx = tls_listener_ctx_get (lctx_index);
624 lctx->parent_app_wrk_index = sep->app_wrk_index;
625 lctx->tls_session_handle = tls_al_handle;
626 lctx->app_session_handle = listen_session_get_handle (app_listener);
627 lctx->tcp_is_ip4 = sep->is_ip4;
628 lctx->tls_ctx_engine = engine_type;
629 lctx->ckpair_index = sep->ckpair_index;
631 if (tls_vfts[engine_type].ctx_start_listen (lctx))
633 vnet_unlisten_args_t a = {
634 .handle = lctx->tls_session_handle,
635 .app_index = tls_main.app_index,
638 if ((vnet_unlisten (&a)))
639 clib_warning ("unlisten returned");
640 tls_listener_ctx_free (lctx);
641 lctx_index = SESSION_INVALID_INDEX;
644 TLS_DBG (1, "Started listening %d, engine type %d", lctx_index,
650 tls_stop_listen (u32 lctx_index)
652 crypto_engine_type_t engine_type;
656 lctx = tls_listener_ctx_get (lctx_index);
657 vnet_unlisten_args_t a = {
658 .handle = lctx->tls_session_handle,
659 .app_index = tls_main.app_index,
660 .wrk_map_index = 0 /* default wrk */
662 if ((rv = vnet_unlisten (&a)))
663 clib_warning ("unlisten returned %d", rv);
665 engine_type = lctx->tls_ctx_engine;
666 tls_vfts[engine_type].ctx_stop_listen (lctx);
668 tls_listener_ctx_free (lctx);
672 transport_connection_t *
673 tls_connection_get (u32 ctx_index, u32 thread_index)
676 ctx = tls_ctx_get_w_thread (ctx_index, thread_index);
677 return &ctx->connection;
680 transport_connection_t *
681 tls_listener_get (u32 listener_index)
684 ctx = tls_listener_ctx_get (listener_index);
685 return &ctx->connection;
689 tls_custom_tx_callback (void *session, u32 max_burst_size)
691 session_t *app_session = (session_t *) session;
694 if (PREDICT_FALSE (app_session->session_state
695 >= SESSION_STATE_TRANSPORT_CLOSED))
698 ctx = tls_ctx_get (app_session->connection_index);
699 tls_ctx_write (ctx, app_session);
704 format_tls_ctx (u8 * s, va_list * args)
706 u32 tcp_si, tcp_ti, ctx_index, ctx_engine, app_si, app_ti;
707 tls_ctx_t *ctx = va_arg (*args, tls_ctx_t *);
709 session_parse_handle (ctx->tls_session_handle, &tcp_si, &tcp_ti);
710 tls_ctx_parse_handle (ctx->tls_ctx_handle, &ctx_index, &ctx_engine);
711 session_parse_handle (ctx->app_session_handle, &app_si, &app_ti);
712 s = format (s, "[%d:%d][TLS] app_wrk %u index %u engine %u tcp %d:%d",
713 app_ti, app_si, ctx->parent_app_wrk_index, ctx_index,
714 ctx_engine, tcp_ti, tcp_si);
720 format_tls_connection (u8 * s, va_list * args)
722 u32 ctx_index = va_arg (*args, u32);
723 u32 thread_index = va_arg (*args, u32);
724 u32 verbose = va_arg (*args, u32);
727 ctx = tls_ctx_get_w_thread (ctx_index, thread_index);
731 s = format (s, "%-50U", format_tls_ctx, ctx);
735 ts = session_get_from_handle (ctx->app_session_handle);
736 s = format (s, "state: %-7u", ts->session_state);
738 s = format (s, "\n");
744 format_tls_listener (u8 * s, va_list * args)
746 u32 tc_index = va_arg (*args, u32);
747 u32 __clib_unused thread_index = va_arg (*args, u32);
748 u32 __clib_unused verbose = va_arg (*args, u32);
749 tls_ctx_t *ctx = tls_listener_ctx_get (tc_index);
750 session_t *tls_listener;
754 al = app_listener_get_w_handle (ctx->tls_session_handle);
755 tls_listener = app_listener_get_session (al);
756 session_parse_handle (ctx->app_session_handle, &app_si, &app_ti);
757 s = format (s, "[%d:%d][TLS] app_wrk %u engine %u tcp %d:%d",
758 app_ti, app_si, ctx->parent_app_wrk_index, ctx->tls_ctx_engine,
759 tls_listener->thread_index, tls_listener->session_index);
764 format_tls_half_open (u8 * s, va_list * args)
766 u32 tc_index = va_arg (*args, u32);
767 u32 __clib_unused thread_index = va_arg (*args, u32);
768 tls_ctx_t *ctx = tls_ctx_half_open_get (tc_index);
769 s = format (s, "[TLS] half-open app %u", ctx->parent_app_wrk_index);
770 tls_ctx_half_open_reader_unlock ();
775 tls_transport_endpoint_get (u32 ctx_handle, u32 thread_index,
776 transport_endpoint_t * tep, u8 is_lcl)
778 tls_ctx_t *ctx = tls_ctx_get_w_thread (ctx_handle, thread_index);
779 session_t *tcp_session;
781 tcp_session = session_get_from_handle (ctx->tls_session_handle);
782 session_get_endpoint (tcp_session, tep, is_lcl);
786 tls_transport_listener_endpoint_get (u32 ctx_handle,
787 transport_endpoint_t * tep, u8 is_lcl)
789 session_t *tls_listener;
791 tls_ctx_t *ctx = tls_listener_ctx_get (ctx_handle);
793 al = app_listener_get_w_handle (ctx->tls_session_handle);
794 tls_listener = app_listener_get_session (al);
795 session_get_endpoint (tls_listener, tep, is_lcl);
799 static const transport_proto_vft_t tls_proto = {
800 .connect = tls_connect,
801 .close = tls_disconnect,
802 .start_listen = tls_start_listen,
803 .stop_listen = tls_stop_listen,
804 .get_connection = tls_connection_get,
805 .get_listener = tls_listener_get,
806 .custom_tx = tls_custom_tx_callback,
807 .format_connection = format_tls_connection,
808 .format_half_open = format_tls_half_open,
809 .format_listener = format_tls_listener,
810 .get_transport_endpoint = tls_transport_endpoint_get,
811 .get_transport_listener_endpoint = tls_transport_listener_endpoint_get,
812 .transport_options = {
813 .tx_type = TRANSPORT_TX_INTERNAL,
814 .service_type = TRANSPORT_SERVICE_APP,
820 tls_register_engine (const tls_engine_vft_t * vft, crypto_engine_type_t type)
822 vec_validate (tls_vfts, type);
823 tls_vfts[type] = *vft;
826 static clib_error_t *
827 tls_init (vlib_main_t * vm)
829 u32 add_segment_size = 256 << 20, first_seg_size = 32 << 20;
830 vlib_thread_main_t *vtm = vlib_get_thread_main ();
831 u32 num_threads, fifo_size = 128 << 10;
832 vnet_app_attach_args_t _a, *a = &_a;
833 u64 options[APP_OPTIONS_N_OPTIONS];
834 tls_main_t *tm = &tls_main;
836 first_seg_size = tm->first_seg_size ? tm->first_seg_size : first_seg_size;
837 fifo_size = tm->fifo_size ? tm->fifo_size : fifo_size;
838 num_threads = 1 /* main thread */ + vtm->n_threads;
840 clib_memset (a, 0, sizeof (*a));
841 clib_memset (options, 0, sizeof (options));
843 a->session_cb_vft = &tls_app_cb_vft;
844 a->api_client_index = APP_INVALID_INDEX;
845 a->options = options;
846 a->name = format (0, "tls");
847 a->options[APP_OPTIONS_SEGMENT_SIZE] = first_seg_size;
848 a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = add_segment_size;
849 a->options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size;
850 a->options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size;
851 a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
852 a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
853 a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_IS_TRANSPORT_APP;
855 if (vnet_application_attach (a))
857 clib_warning ("failed to attach tls app");
858 return clib_error_return (0, "failed to attach tls app");
861 if (!tm->ca_cert_path)
862 tm->ca_cert_path = TLS_CA_CERT_PATH;
864 tm->app_index = a->app_index;
865 clib_rwlock_init (&tm->half_open_rwlock);
867 vec_validate (tm->rx_bufs, num_threads - 1);
868 vec_validate (tm->tx_bufs, num_threads - 1);
870 transport_register_protocol (TRANSPORT_PROTO_TLS, &tls_proto,
871 FIB_PROTOCOL_IP4, ~0);
872 transport_register_protocol (TRANSPORT_PROTO_TLS, &tls_proto,
873 FIB_PROTOCOL_IP6, ~0);
878 VLIB_INIT_FUNCTION (tls_init);
880 static clib_error_t *
881 tls_config_fn (vlib_main_t * vm, unformat_input_t * input)
883 tls_main_t *tm = &tls_main;
884 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
886 if (unformat (input, "use-test-cert-in-ca"))
887 tm->use_test_cert_in_ca = 1;
888 else if (unformat (input, "ca-cert-path %s", &tm->ca_cert_path))
890 else if (unformat (input, "first-segment-size %U", unformat_memory_size,
891 &tm->first_seg_size))
893 else if (unformat (input, "fifo-size %U", unformat_memory_size,
897 return clib_error_return (0, "unknown input `%U'",
898 format_unformat_error, input);
903 VLIB_EARLY_CONFIG_FUNCTION (tls_config_fn, "tls");
906 vnet_tls_get_main (void)
912 * fd.io coding-style-patch-verification: ON
915 * eval: (c-set-style "gnu")