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)
360 clib_warning ("called...");
364 tls_add_segment_callback (u32 client_index, u64 segment_handle)
366 /* No-op for builtin */
371 tls_del_segment_callback (u32 client_index, u64 segment_handle)
377 tls_session_disconnect_callback (session_t * tls_session)
381 TLS_DBG (1, "TCP disconnecting handle %x session %u", tls_session->opaque,
382 tls_session->session_index);
384 ctx = tls_ctx_get (tls_session->opaque);
385 ctx->is_passive_close = 1;
386 tls_ctx_transport_close (ctx);
390 tls_session_accept_callback (session_t * tls_session)
392 session_t *tls_listener, *app_session;
393 tls_ctx_t *lctx, *ctx;
397 listen_session_get_from_handle (tls_session->listener_handle);
398 lctx = tls_listener_ctx_get (tls_listener->opaque);
400 ctx_handle = tls_ctx_alloc (lctx->tls_ctx_engine);
401 ctx = tls_ctx_get (ctx_handle);
402 memcpy (ctx, lctx, sizeof (*lctx));
403 ctx->c_thread_index = vlib_get_thread_index ();
404 ctx->tls_ctx_handle = ctx_handle;
405 tls_session->session_state = SESSION_STATE_READY;
406 tls_session->opaque = ctx_handle;
407 ctx->tls_session_handle = session_handle (tls_session);
408 ctx->listener_ctx_index = tls_listener->opaque;
410 /* Preallocate app session. Avoids allocating a session post handshake
411 * on tls_session rx and potentially invalidating the session pool */
412 app_session = session_alloc (ctx->c_thread_index);
413 app_session->session_state = SESSION_STATE_CLOSED;
414 ctx->c_s_index = app_session->session_index;
416 TLS_DBG (1, "Accept on listener %u new connection [%u]%x",
417 tls_listener->opaque, vlib_get_thread_index (), ctx_handle);
419 return tls_ctx_init_server (ctx);
423 tls_app_rx_callback (session_t * tls_session)
427 ctx = tls_ctx_get (tls_session->opaque);
428 tls_ctx_read (ctx, tls_session);
433 tls_session_connected_callback (u32 tls_app_index, u32 ho_ctx_index,
434 session_t * tls_session, u8 is_fail)
436 session_t *app_session;
437 tls_ctx_t *ho_ctx, *ctx;
440 ho_ctx = tls_ctx_half_open_get (ho_ctx_index);
444 app_worker_t *app_wrk;
448 app_wrk = app_worker_get_if_valid (ho_ctx->parent_app_wrk_index);
451 api_context = ho_ctx->c_s_index;
452 app_worker_connect_notify (app_wrk, 0, api_context);
454 tls_ctx_half_open_reader_unlock ();
455 tls_ctx_half_open_free (ho_ctx_index);
459 ctx_handle = tls_ctx_alloc (ho_ctx->tls_ctx_engine);
460 ctx = tls_ctx_get (ctx_handle);
461 clib_memcpy_fast (ctx, ho_ctx, sizeof (*ctx));
462 tls_ctx_half_open_reader_unlock ();
463 tls_ctx_half_open_free (ho_ctx_index);
465 ctx->c_thread_index = vlib_get_thread_index ();
466 ctx->tls_ctx_handle = ctx_handle;
468 TLS_DBG (1, "TCP connect for %u returned %u. New connection [%u]%x",
469 ho_ctx_index, is_fail, vlib_get_thread_index (),
470 (ctx) ? ctx_handle : ~0);
472 ctx->tls_session_handle = session_handle (tls_session);
473 tls_session->opaque = ctx_handle;
474 tls_session->session_state = SESSION_STATE_READY;
476 /* Preallocate app session. Avoids allocating a session post handshake
477 * on tls_session rx and potentially invalidating the session pool */
478 app_session = session_alloc (ctx->c_thread_index);
479 app_session->session_state = SESSION_STATE_CLOSED;
480 ctx->c_s_index = app_session->session_index;
482 return tls_ctx_init_client (ctx);
486 tls_app_session_cleanup (session_t * s, session_cleanup_ntf_t ntf)
490 if (ntf == SESSION_CLEANUP_TRANSPORT)
493 ctx = tls_ctx_get (s->opaque);
494 if (!ctx->no_app_session)
495 session_transport_delete_notify (&ctx->connection);
500 static session_cb_vft_t tls_app_cb_vft = {
501 .session_accept_callback = tls_session_accept_callback,
502 .session_disconnect_callback = tls_session_disconnect_callback,
503 .session_connected_callback = tls_session_connected_callback,
504 .session_reset_callback = tls_session_reset_callback,
505 .add_segment_callback = tls_add_segment_callback,
506 .del_segment_callback = tls_del_segment_callback,
507 .builtin_app_rx_callback = tls_app_rx_callback,
508 .session_cleanup_callback = tls_app_session_cleanup,
513 tls_connect (transport_endpoint_cfg_t * tep)
515 vnet_connect_args_t _cargs = { {}, }, *cargs = &_cargs;
516 session_endpoint_cfg_t *sep;
517 tls_engine_type_t engine_type;
518 tls_main_t *tm = &tls_main;
519 app_worker_t *app_wrk;
525 sep = (session_endpoint_cfg_t *) tep;
526 app_wrk = app_worker_get (sep->app_wrk_index);
527 app = application_get (app_wrk->app_index);
528 engine_type = tls_get_engine_type (app->tls_engine);
529 if (engine_type == TLS_ENGINE_NONE)
531 clib_warning ("No tls engine_type available");
535 ctx_index = tls_ctx_half_open_alloc ();
536 ctx = tls_ctx_half_open_get (ctx_index);
537 ctx->parent_app_wrk_index = sep->app_wrk_index;
538 ctx->parent_app_api_context = sep->opaque;
539 ctx->tcp_is_ip4 = sep->is_ip4;
542 ctx->srv_hostname = format (0, "%v", sep->hostname);
543 vec_terminate_c_string (ctx->srv_hostname);
545 tls_ctx_half_open_reader_unlock ();
547 app_worker_alloc_connects_segment_manager (app_wrk);
548 ctx->tls_ctx_engine = engine_type;
550 clib_memcpy_fast (&cargs->sep, sep, sizeof (session_endpoint_t));
551 cargs->sep.transport_proto = TRANSPORT_PROTO_TCP;
552 cargs->app_index = tm->app_index;
553 cargs->api_context = ctx_index;
554 cargs->sep_ext.ns_index = app->ns_index;
555 if ((rv = vnet_connect (cargs)))
558 TLS_DBG (1, "New connect request %u engine %d", ctx_index, engine_type);
563 tls_disconnect (u32 ctx_handle, u32 thread_index)
567 TLS_DBG (1, "Disconnecting %x", ctx_handle);
569 ctx = tls_ctx_get (ctx_handle);
570 tls_ctx_app_close (ctx);
574 tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
576 vnet_listen_args_t _bargs, *args = &_bargs;
577 app_worker_t *app_wrk;
578 tls_main_t *tm = &tls_main;
579 session_handle_t tls_al_handle;
580 session_endpoint_cfg_t *sep;
581 session_t *tls_listener;
582 session_t *app_listener;
583 tls_engine_type_t engine_type;
589 sep = (session_endpoint_cfg_t *) tep;
590 app_wrk = app_worker_get (sep->app_wrk_index);
591 app = application_get (app_wrk->app_index);
592 engine_type = tls_get_engine_type (app->tls_engine);
593 if (engine_type == TLS_ENGINE_NONE)
595 clib_warning ("No tls engine_type available");
599 sep->transport_proto = TRANSPORT_PROTO_TCP;
600 clib_memset (args, 0, sizeof (*args));
601 args->app_index = tm->app_index;
602 args->sep_ext = *sep;
603 args->sep_ext.ns_index = app->ns_index;
604 if (vnet_listen (args))
607 lctx_index = tls_listener_ctx_alloc ();
608 tls_al_handle = args->handle;
609 al = app_listener_get_w_handle (tls_al_handle);
610 tls_listener = app_listener_get_session (al);
611 tls_listener->opaque = lctx_index;
613 app_listener = listen_session_get (app_listener_index);
615 lctx = tls_listener_ctx_get (lctx_index);
616 lctx->parent_app_wrk_index = sep->app_wrk_index;
617 lctx->tls_session_handle = tls_al_handle;
618 lctx->app_session_handle = listen_session_get_handle (app_listener);
619 lctx->tcp_is_ip4 = sep->is_ip4;
620 lctx->tls_ctx_engine = engine_type;
622 if (tls_vfts[engine_type].ctx_start_listen (lctx))
624 vnet_unlisten_args_t a = {
625 .handle = lctx->tls_session_handle,
626 .app_index = tls_main.app_index,
629 if ((vnet_unlisten (&a)))
630 clib_warning ("unlisten returned");
631 tls_listener_ctx_free (lctx);
632 lctx_index = SESSION_INVALID_INDEX;
635 TLS_DBG (1, "Started listening %d, engine type %d", lctx_index,
641 tls_stop_listen (u32 lctx_index)
643 tls_engine_type_t engine_type;
647 lctx = tls_listener_ctx_get (lctx_index);
648 vnet_unlisten_args_t a = {
649 .handle = lctx->tls_session_handle,
650 .app_index = tls_main.app_index,
651 .wrk_map_index = 0 /* default wrk */
653 if ((rv = vnet_unlisten (&a)))
654 clib_warning ("unlisten returned %d", rv);
656 engine_type = lctx->tls_ctx_engine;
657 tls_vfts[engine_type].ctx_stop_listen (lctx);
659 tls_listener_ctx_free (lctx);
663 transport_connection_t *
664 tls_connection_get (u32 ctx_index, u32 thread_index)
667 ctx = tls_ctx_get_w_thread (ctx_index, thread_index);
668 return &ctx->connection;
671 transport_connection_t *
672 tls_listener_get (u32 listener_index)
675 ctx = tls_listener_ctx_get (listener_index);
676 return &ctx->connection;
680 tls_custom_tx_callback (void *session, u32 max_burst_size)
682 session_t *app_session = (session_t *) session;
685 if (PREDICT_FALSE (app_session->session_state
686 >= SESSION_STATE_TRANSPORT_CLOSED))
689 ctx = tls_ctx_get (app_session->connection_index);
690 tls_ctx_write (ctx, app_session);
695 format_tls_ctx (u8 * s, va_list * args)
697 u32 tcp_si, tcp_ti, ctx_index, ctx_engine, app_si, app_ti;
698 tls_ctx_t *ctx = va_arg (*args, tls_ctx_t *);
700 session_parse_handle (ctx->tls_session_handle, &tcp_si, &tcp_ti);
701 tls_ctx_parse_handle (ctx->tls_ctx_handle, &ctx_index, &ctx_engine);
702 session_parse_handle (ctx->app_session_handle, &app_si, &app_ti);
703 s = format (s, "[%d:%d][TLS] app_wrk %u index %u engine %u tcp %d:%d",
704 app_ti, app_si, ctx->parent_app_wrk_index, ctx_index,
705 ctx_engine, tcp_ti, tcp_si);
711 format_tls_connection (u8 * s, va_list * args)
713 u32 ctx_index = va_arg (*args, u32);
714 u32 thread_index = va_arg (*args, u32);
715 u32 verbose = va_arg (*args, u32);
718 ctx = tls_ctx_get_w_thread (ctx_index, thread_index);
722 s = format (s, "%-50U", format_tls_ctx, ctx);
726 ts = session_get_from_handle (ctx->app_session_handle);
727 s = format (s, "state: %-7u", ts->session_state);
729 s = format (s, "\n");
735 format_tls_listener (u8 * s, va_list * args)
737 u32 tc_index = va_arg (*args, u32);
738 u32 __clib_unused thread_index = va_arg (*args, u32);
739 u32 __clib_unused verbose = va_arg (*args, u32);
740 tls_ctx_t *ctx = tls_listener_ctx_get (tc_index);
741 session_t *tls_listener;
745 al = app_listener_get_w_handle (ctx->tls_session_handle);
746 tls_listener = app_listener_get_session (al);
747 session_parse_handle (ctx->app_session_handle, &app_si, &app_ti);
748 s = format (s, "[%d:%d][TLS] app_wrk %u engine %u tcp %d:%d",
749 app_ti, app_si, ctx->parent_app_wrk_index, ctx->tls_ctx_engine,
750 tls_listener->thread_index, tls_listener->session_index);
755 format_tls_half_open (u8 * s, va_list * args)
757 u32 tc_index = va_arg (*args, u32);
758 u32 __clib_unused thread_index = va_arg (*args, u32);
759 tls_ctx_t *ctx = tls_ctx_half_open_get (tc_index);
760 s = format (s, "[TLS] half-open app %u", ctx->parent_app_wrk_index);
761 tls_ctx_half_open_reader_unlock ();
766 tls_transport_endpoint_get (u32 ctx_handle, u32 thread_index,
767 transport_endpoint_t * tep, u8 is_lcl)
769 tls_ctx_t *ctx = tls_ctx_get_w_thread (ctx_handle, thread_index);
770 session_t *tcp_session;
772 tcp_session = session_get_from_handle (ctx->tls_session_handle);
773 session_get_endpoint (tcp_session, tep, is_lcl);
777 tls_transport_listener_endpoint_get (u32 ctx_handle,
778 transport_endpoint_t * tep, u8 is_lcl)
780 session_t *tls_listener;
782 tls_ctx_t *ctx = tls_listener_ctx_get (ctx_handle);
784 al = app_listener_get_w_handle (ctx->tls_session_handle);
785 tls_listener = app_listener_get_session (al);
786 session_get_endpoint (tls_listener, tep, is_lcl);
790 static const transport_proto_vft_t tls_proto = {
791 .connect = tls_connect,
792 .close = tls_disconnect,
793 .start_listen = tls_start_listen,
794 .stop_listen = tls_stop_listen,
795 .get_connection = tls_connection_get,
796 .get_listener = tls_listener_get,
797 .custom_tx = tls_custom_tx_callback,
798 .format_connection = format_tls_connection,
799 .format_half_open = format_tls_half_open,
800 .format_listener = format_tls_listener,
801 .get_transport_endpoint = tls_transport_endpoint_get,
802 .get_transport_listener_endpoint = tls_transport_listener_endpoint_get,
803 .transport_options = {
804 .tx_type = TRANSPORT_TX_INTERNAL,
805 .service_type = TRANSPORT_SERVICE_APP,
811 tls_register_engine (const tls_engine_vft_t * vft, tls_engine_type_t type)
813 vec_validate (tls_vfts, type);
814 tls_vfts[type] = *vft;
817 static clib_error_t *
818 tls_init (vlib_main_t * vm)
820 u32 add_segment_size = 256 << 20, first_seg_size = 32 << 20;
821 vlib_thread_main_t *vtm = vlib_get_thread_main ();
822 u32 num_threads, fifo_size = 128 << 10;
823 vnet_app_attach_args_t _a, *a = &_a;
824 u64 options[APP_OPTIONS_N_OPTIONS];
825 tls_main_t *tm = &tls_main;
827 first_seg_size = tm->first_seg_size ? tm->first_seg_size : first_seg_size;
828 fifo_size = tm->fifo_size ? tm->fifo_size : fifo_size;
829 num_threads = 1 /* main thread */ + vtm->n_threads;
831 clib_memset (a, 0, sizeof (*a));
832 clib_memset (options, 0, sizeof (options));
834 a->session_cb_vft = &tls_app_cb_vft;
835 a->api_client_index = APP_INVALID_INDEX;
836 a->options = options;
837 a->name = format (0, "tls");
838 a->options[APP_OPTIONS_SEGMENT_SIZE] = first_seg_size;
839 a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = add_segment_size;
840 a->options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size;
841 a->options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size;
842 a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
843 a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
844 a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_IS_TRANSPORT_APP;
846 if (vnet_application_attach (a))
848 clib_warning ("failed to attach tls app");
849 return clib_error_return (0, "failed to attach tls app");
852 if (!tm->ca_cert_path)
853 tm->ca_cert_path = TLS_CA_CERT_PATH;
855 tm->app_index = a->app_index;
856 clib_rwlock_init (&tm->half_open_rwlock);
858 vec_validate (tm->rx_bufs, num_threads - 1);
859 vec_validate (tm->tx_bufs, num_threads - 1);
861 transport_register_protocol (TRANSPORT_PROTO_TLS, &tls_proto,
862 FIB_PROTOCOL_IP4, ~0);
863 transport_register_protocol (TRANSPORT_PROTO_TLS, &tls_proto,
864 FIB_PROTOCOL_IP6, ~0);
869 VLIB_INIT_FUNCTION (tls_init);
871 static clib_error_t *
872 tls_config_fn (vlib_main_t * vm, unformat_input_t * input)
874 tls_main_t *tm = &tls_main;
875 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
877 if (unformat (input, "use-test-cert-in-ca"))
878 tm->use_test_cert_in_ca = 1;
879 else if (unformat (input, "ca-cert-path %s", &tm->ca_cert_path))
881 else if (unformat (input, "first-segment-size %U", unformat_memory_size,
882 &tm->first_seg_size))
884 else if (unformat (input, "fifo-size %U", unformat_memory_size,
888 return clib_error_return (0, "unknown input `%U'",
889 format_unformat_error, input);
894 VLIB_EARLY_CONFIG_FUNCTION (tls_config_fn, "tls");
897 vnet_tls_get_main (void)
903 * fd.io coding-style-patch-verification: ON
906 * eval: (c-set-style "gnu")