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 TLS_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 tls_engine_type_t
278 tls_get_engine_type (tls_engine_type_t preferred)
280 if (!tls_vfts[preferred].ctx_alloc)
281 return tls_get_available_engine ();
286 tls_ctx_alloc (tls_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;
416 /* Preallocate app session. Avoids allocating a session post handshake
417 * on tls_session rx and potentially invalidating the session pool */
418 app_session = session_alloc (ctx->c_thread_index);
419 app_session->session_state = SESSION_STATE_CLOSED;
420 ctx->c_s_index = app_session->session_index;
422 TLS_DBG (1, "Accept on listener %u new connection [%u]%x",
423 tls_listener->opaque, vlib_get_thread_index (), ctx_handle);
425 return tls_ctx_init_server (ctx);
429 tls_app_rx_callback (session_t * tls_session)
433 ctx = tls_ctx_get (tls_session->opaque);
434 tls_ctx_read (ctx, tls_session);
439 tls_session_connected_callback (u32 tls_app_index, u32 ho_ctx_index,
440 session_t * tls_session, u8 is_fail)
442 session_t *app_session;
443 tls_ctx_t *ho_ctx, *ctx;
446 ho_ctx = tls_ctx_half_open_get (ho_ctx_index);
450 app_worker_t *app_wrk;
454 app_wrk = app_worker_get_if_valid (ho_ctx->parent_app_wrk_index);
457 api_context = ho_ctx->c_s_index;
458 app_worker_connect_notify (app_wrk, 0, api_context);
460 tls_ctx_half_open_reader_unlock ();
461 tls_ctx_half_open_free (ho_ctx_index);
465 ctx_handle = tls_ctx_alloc (ho_ctx->tls_ctx_engine);
466 ctx = tls_ctx_get (ctx_handle);
467 clib_memcpy_fast (ctx, ho_ctx, sizeof (*ctx));
468 tls_ctx_half_open_reader_unlock ();
469 tls_ctx_half_open_free (ho_ctx_index);
471 ctx->c_thread_index = vlib_get_thread_index ();
472 ctx->tls_ctx_handle = ctx_handle;
473 ctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
475 TLS_DBG (1, "TCP connect for %u returned %u. New connection [%u]%x",
476 ho_ctx_index, is_fail, vlib_get_thread_index (),
477 (ctx) ? ctx_handle : ~0);
479 ctx->tls_session_handle = session_handle (tls_session);
480 tls_session->opaque = ctx_handle;
481 tls_session->session_state = SESSION_STATE_READY;
483 /* Preallocate app session. Avoids allocating a session post handshake
484 * on tls_session rx and potentially invalidating the session pool */
485 app_session = session_alloc (ctx->c_thread_index);
486 app_session->session_state = SESSION_STATE_CLOSED;
487 ctx->c_s_index = app_session->session_index;
489 return tls_ctx_init_client (ctx);
493 tls_app_session_cleanup (session_t * s, session_cleanup_ntf_t ntf)
497 if (ntf == SESSION_CLEANUP_TRANSPORT)
500 ctx = tls_ctx_get (s->opaque);
501 if (!ctx->no_app_session)
502 session_transport_delete_notify (&ctx->connection);
507 static session_cb_vft_t tls_app_cb_vft = {
508 .session_accept_callback = tls_session_accept_callback,
509 .session_disconnect_callback = tls_session_disconnect_callback,
510 .session_connected_callback = tls_session_connected_callback,
511 .session_reset_callback = tls_session_reset_callback,
512 .add_segment_callback = tls_add_segment_callback,
513 .del_segment_callback = tls_del_segment_callback,
514 .builtin_app_rx_callback = tls_app_rx_callback,
515 .session_cleanup_callback = tls_app_session_cleanup,
520 tls_connect (transport_endpoint_cfg_t * tep)
522 vnet_connect_args_t _cargs = { {}, }, *cargs = &_cargs;
523 session_endpoint_cfg_t *sep;
524 tls_engine_type_t engine_type;
525 tls_main_t *tm = &tls_main;
526 app_worker_t *app_wrk;
532 sep = (session_endpoint_cfg_t *) tep;
533 app_wrk = app_worker_get (sep->app_wrk_index);
534 app = application_get (app_wrk->app_index);
535 engine_type = tls_get_engine_type (app->tls_engine);
536 if (engine_type == TLS_ENGINE_NONE)
538 clib_warning ("No tls engine_type available");
542 ctx_index = tls_ctx_half_open_alloc ();
543 ctx = tls_ctx_half_open_get (ctx_index);
544 ctx->parent_app_wrk_index = sep->app_wrk_index;
545 ctx->parent_app_api_context = sep->opaque;
546 ctx->tcp_is_ip4 = sep->is_ip4;
549 ctx->srv_hostname = format (0, "%v", sep->hostname);
550 vec_terminate_c_string (ctx->srv_hostname);
552 tls_ctx_half_open_reader_unlock ();
554 app_worker_alloc_connects_segment_manager (app_wrk);
555 ctx->tls_ctx_engine = engine_type;
557 clib_memcpy_fast (&cargs->sep, sep, sizeof (session_endpoint_t));
558 cargs->sep.transport_proto = TRANSPORT_PROTO_TCP;
559 cargs->app_index = tm->app_index;
560 cargs->api_context = ctx_index;
561 cargs->sep_ext.ns_index = app->ns_index;
562 if ((rv = vnet_connect (cargs)))
565 TLS_DBG (1, "New connect request %u engine %d", ctx_index, engine_type);
570 tls_disconnect (u32 ctx_handle, u32 thread_index)
574 TLS_DBG (1, "Disconnecting %x", ctx_handle);
576 ctx = tls_ctx_get (ctx_handle);
577 tls_ctx_app_close (ctx);
581 tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
583 vnet_listen_args_t _bargs, *args = &_bargs;
584 app_worker_t *app_wrk;
585 tls_main_t *tm = &tls_main;
586 session_handle_t tls_al_handle;
587 session_endpoint_cfg_t *sep;
588 session_t *tls_listener;
589 session_t *app_listener;
590 tls_engine_type_t engine_type;
596 sep = (session_endpoint_cfg_t *) tep;
597 app_wrk = app_worker_get (sep->app_wrk_index);
598 app = application_get (app_wrk->app_index);
599 engine_type = tls_get_engine_type (app->tls_engine);
600 if (engine_type == TLS_ENGINE_NONE)
602 clib_warning ("No tls engine_type available");
606 sep->transport_proto = TRANSPORT_PROTO_TCP;
607 clib_memset (args, 0, sizeof (*args));
608 args->app_index = tm->app_index;
609 args->sep_ext = *sep;
610 args->sep_ext.ns_index = app->ns_index;
611 if (vnet_listen (args))
614 lctx_index = tls_listener_ctx_alloc ();
615 tls_al_handle = args->handle;
616 al = app_listener_get_w_handle (tls_al_handle);
617 tls_listener = app_listener_get_session (al);
618 tls_listener->opaque = lctx_index;
620 app_listener = listen_session_get (app_listener_index);
622 lctx = tls_listener_ctx_get (lctx_index);
623 lctx->parent_app_wrk_index = sep->app_wrk_index;
624 lctx->tls_session_handle = tls_al_handle;
625 lctx->app_session_handle = listen_session_get_handle (app_listener);
626 lctx->tcp_is_ip4 = sep->is_ip4;
627 lctx->tls_ctx_engine = engine_type;
629 if (tls_vfts[engine_type].ctx_start_listen (lctx))
631 vnet_unlisten_args_t a = {
632 .handle = lctx->tls_session_handle,
633 .app_index = tls_main.app_index,
636 if ((vnet_unlisten (&a)))
637 clib_warning ("unlisten returned");
638 tls_listener_ctx_free (lctx);
639 lctx_index = SESSION_INVALID_INDEX;
642 TLS_DBG (1, "Started listening %d, engine type %d", lctx_index,
648 tls_stop_listen (u32 lctx_index)
650 tls_engine_type_t engine_type;
654 lctx = tls_listener_ctx_get (lctx_index);
655 vnet_unlisten_args_t a = {
656 .handle = lctx->tls_session_handle,
657 .app_index = tls_main.app_index,
658 .wrk_map_index = 0 /* default wrk */
660 if ((rv = vnet_unlisten (&a)))
661 clib_warning ("unlisten returned %d", rv);
663 engine_type = lctx->tls_ctx_engine;
664 tls_vfts[engine_type].ctx_stop_listen (lctx);
666 tls_listener_ctx_free (lctx);
670 transport_connection_t *
671 tls_connection_get (u32 ctx_index, u32 thread_index)
674 ctx = tls_ctx_get_w_thread (ctx_index, thread_index);
675 return &ctx->connection;
678 transport_connection_t *
679 tls_listener_get (u32 listener_index)
682 ctx = tls_listener_ctx_get (listener_index);
683 return &ctx->connection;
687 tls_custom_tx_callback (void *session, u32 max_burst_size)
689 session_t *app_session = (session_t *) session;
692 if (PREDICT_FALSE (app_session->session_state
693 >= SESSION_STATE_TRANSPORT_CLOSED))
696 ctx = tls_ctx_get (app_session->connection_index);
697 tls_ctx_write (ctx, app_session);
702 format_tls_ctx (u8 * s, va_list * args)
704 u32 tcp_si, tcp_ti, ctx_index, ctx_engine, app_si, app_ti;
705 tls_ctx_t *ctx = va_arg (*args, tls_ctx_t *);
707 session_parse_handle (ctx->tls_session_handle, &tcp_si, &tcp_ti);
708 tls_ctx_parse_handle (ctx->tls_ctx_handle, &ctx_index, &ctx_engine);
709 session_parse_handle (ctx->app_session_handle, &app_si, &app_ti);
710 s = format (s, "[%d:%d][TLS] app_wrk %u index %u engine %u tcp %d:%d",
711 app_ti, app_si, ctx->parent_app_wrk_index, ctx_index,
712 ctx_engine, tcp_ti, tcp_si);
718 format_tls_connection (u8 * s, va_list * args)
720 u32 ctx_index = va_arg (*args, u32);
721 u32 thread_index = va_arg (*args, u32);
722 u32 verbose = va_arg (*args, u32);
725 ctx = tls_ctx_get_w_thread (ctx_index, thread_index);
729 s = format (s, "%-50U", format_tls_ctx, ctx);
733 ts = session_get_from_handle (ctx->app_session_handle);
734 s = format (s, "state: %-7u", ts->session_state);
736 s = format (s, "\n");
742 format_tls_listener (u8 * s, va_list * args)
744 u32 tc_index = va_arg (*args, u32);
745 u32 __clib_unused thread_index = va_arg (*args, u32);
746 u32 __clib_unused verbose = va_arg (*args, u32);
747 tls_ctx_t *ctx = tls_listener_ctx_get (tc_index);
748 session_t *tls_listener;
752 al = app_listener_get_w_handle (ctx->tls_session_handle);
753 tls_listener = app_listener_get_session (al);
754 session_parse_handle (ctx->app_session_handle, &app_si, &app_ti);
755 s = format (s, "[%d:%d][TLS] app_wrk %u engine %u tcp %d:%d",
756 app_ti, app_si, ctx->parent_app_wrk_index, ctx->tls_ctx_engine,
757 tls_listener->thread_index, tls_listener->session_index);
762 format_tls_half_open (u8 * s, va_list * args)
764 u32 tc_index = va_arg (*args, u32);
765 u32 __clib_unused thread_index = va_arg (*args, u32);
766 tls_ctx_t *ctx = tls_ctx_half_open_get (tc_index);
767 s = format (s, "[TLS] half-open app %u", ctx->parent_app_wrk_index);
768 tls_ctx_half_open_reader_unlock ();
773 tls_transport_endpoint_get (u32 ctx_handle, u32 thread_index,
774 transport_endpoint_t * tep, u8 is_lcl)
776 tls_ctx_t *ctx = tls_ctx_get_w_thread (ctx_handle, thread_index);
777 session_t *tcp_session;
779 tcp_session = session_get_from_handle (ctx->tls_session_handle);
780 session_get_endpoint (tcp_session, tep, is_lcl);
784 tls_transport_listener_endpoint_get (u32 ctx_handle,
785 transport_endpoint_t * tep, u8 is_lcl)
787 session_t *tls_listener;
789 tls_ctx_t *ctx = tls_listener_ctx_get (ctx_handle);
791 al = app_listener_get_w_handle (ctx->tls_session_handle);
792 tls_listener = app_listener_get_session (al);
793 session_get_endpoint (tls_listener, tep, is_lcl);
797 static const transport_proto_vft_t tls_proto = {
798 .connect = tls_connect,
799 .close = tls_disconnect,
800 .start_listen = tls_start_listen,
801 .stop_listen = tls_stop_listen,
802 .get_connection = tls_connection_get,
803 .get_listener = tls_listener_get,
804 .custom_tx = tls_custom_tx_callback,
805 .format_connection = format_tls_connection,
806 .format_half_open = format_tls_half_open,
807 .format_listener = format_tls_listener,
808 .get_transport_endpoint = tls_transport_endpoint_get,
809 .get_transport_listener_endpoint = tls_transport_listener_endpoint_get,
810 .transport_options = {
811 .tx_type = TRANSPORT_TX_INTERNAL,
812 .service_type = TRANSPORT_SERVICE_APP,
818 tls_register_engine (const tls_engine_vft_t * vft, tls_engine_type_t type)
820 vec_validate (tls_vfts, type);
821 tls_vfts[type] = *vft;
824 static clib_error_t *
825 tls_init (vlib_main_t * vm)
827 u32 add_segment_size = 256 << 20, first_seg_size = 32 << 20;
828 vlib_thread_main_t *vtm = vlib_get_thread_main ();
829 u32 num_threads, fifo_size = 128 << 10;
830 vnet_app_attach_args_t _a, *a = &_a;
831 u64 options[APP_OPTIONS_N_OPTIONS];
832 tls_main_t *tm = &tls_main;
834 first_seg_size = tm->first_seg_size ? tm->first_seg_size : first_seg_size;
835 fifo_size = tm->fifo_size ? tm->fifo_size : fifo_size;
836 num_threads = 1 /* main thread */ + vtm->n_threads;
838 clib_memset (a, 0, sizeof (*a));
839 clib_memset (options, 0, sizeof (options));
841 a->session_cb_vft = &tls_app_cb_vft;
842 a->api_client_index = APP_INVALID_INDEX;
843 a->options = options;
844 a->name = format (0, "tls");
845 a->options[APP_OPTIONS_SEGMENT_SIZE] = first_seg_size;
846 a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = add_segment_size;
847 a->options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size;
848 a->options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size;
849 a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
850 a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
851 a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_IS_TRANSPORT_APP;
853 if (vnet_application_attach (a))
855 clib_warning ("failed to attach tls app");
856 return clib_error_return (0, "failed to attach tls app");
859 if (!tm->ca_cert_path)
860 tm->ca_cert_path = TLS_CA_CERT_PATH;
862 tm->app_index = a->app_index;
863 clib_rwlock_init (&tm->half_open_rwlock);
865 vec_validate (tm->rx_bufs, num_threads - 1);
866 vec_validate (tm->tx_bufs, num_threads - 1);
868 transport_register_protocol (TRANSPORT_PROTO_TLS, &tls_proto,
869 FIB_PROTOCOL_IP4, ~0);
870 transport_register_protocol (TRANSPORT_PROTO_TLS, &tls_proto,
871 FIB_PROTOCOL_IP6, ~0);
876 VLIB_INIT_FUNCTION (tls_init);
878 static clib_error_t *
879 tls_config_fn (vlib_main_t * vm, unformat_input_t * input)
881 tls_main_t *tm = &tls_main;
882 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
884 if (unformat (input, "use-test-cert-in-ca"))
885 tm->use_test_cert_in_ca = 1;
886 else if (unformat (input, "ca-cert-path %s", &tm->ca_cert_path))
888 else if (unformat (input, "first-segment-size %U", unformat_memory_size,
889 &tm->first_seg_size))
891 else if (unformat (input, "fifo-size %U", unformat_memory_size,
895 return clib_error_return (0, "unknown input `%U'",
896 format_unformat_error, input);
901 VLIB_EARLY_CONFIG_FUNCTION (tls_config_fn, "tls");
904 vnet_tls_get_main (void)
910 * fd.io coding-style-patch-verification: ON
913 * eval: (c-set-style "gnu")