blob: c512517f9e5bcdda33a3f7f57f29febef9db568e [file] [log] [blame]
Florin Coras371ca502018-02-21 12:07:41 -08001/*
Florin Corasc9940fc2019-02-05 20:55:11 -08002 * Copyright (c) 2018-2019 Cisco and/or its affiliates.
Florin Coras371ca502018-02-21 12:07:41 -08003 * 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:
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
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.
14 */
15
16#include <vnet/session/application_interface.h>
17#include <vppinfra/lock.h>
Florin Corasd77eee62018-03-07 08:49:27 -080018#include <vnet/tls/tls.h>
Florin Coras371ca502018-02-21 12:07:41 -080019
20static tls_main_t tls_main;
Florin Corasd77eee62018-03-07 08:49:27 -080021static tls_engine_vft_t *tls_vfts;
Florin Coras371ca502018-02-21 12:07:41 -080022
Florin Coras58d36f02018-03-09 13:05:53 -080023#define TLS_INVALID_HANDLE ~0
24#define TLS_IDX_MASK 0x00FFFFFF
25#define TLS_ENGINE_TYPE_SHIFT 29
26
27void tls_disconnect (u32 ctx_handle, u32 thread_index);
28
Florin Coras06a6a302019-04-17 14:19:12 -070029void
Florin Corasc01d5782018-10-17 14:53:11 -070030tls_disconnect_transport (tls_ctx_t * ctx)
31{
32 vnet_disconnect_args_t a = {
33 .handle = ctx->tls_session_handle,
34 .app_index = tls_main.app_index,
35 };
36
37 if (vnet_disconnect_session (&a))
38 clib_warning ("disconnect returned");
39}
40
Florin Coras58d36f02018-03-09 13:05:53 -080041tls_engine_type_t
42tls_get_available_engine (void)
43{
44 int i;
45 for (i = 0; i < vec_len (tls_vfts); i++)
46 {
47 if (tls_vfts[i].ctx_alloc)
48 return i;
49 }
50 return TLS_ENGINE_NONE;
51}
Florin Coras371ca502018-02-21 12:07:41 -080052
Florin Corasd77eee62018-03-07 08:49:27 -080053int
Florin Coras288eaab2019-02-03 15:26:14 -080054tls_add_vpp_q_rx_evt (session_t * s)
Florin Coras371ca502018-02-21 12:07:41 -080055{
Florin Coras288eaab2019-02-03 15:26:14 -080056 if (svm_fifo_set_event (s->rx_fifo))
Florin Corasfe97da32019-03-06 10:09:04 -080057 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_RX);
Florin Corasef915342018-09-29 10:23:06 -070058 return 0;
59}
60
61int
Florin Coras288eaab2019-02-03 15:26:14 -080062tls_add_vpp_q_builtin_rx_evt (session_t * s)
Florin Corasef915342018-09-29 10:23:06 -070063{
Florin Coras288eaab2019-02-03 15:26:14 -080064 if (svm_fifo_set_event (s->rx_fifo))
Florin Corasfe97da32019-03-06 10:09:04 -080065 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX);
Florin Corasef915342018-09-29 10:23:06 -070066 return 0;
67}
68
69int
Florin Coras288eaab2019-02-03 15:26:14 -080070tls_add_vpp_q_tx_evt (session_t * s)
Florin Corasef915342018-09-29 10:23:06 -070071{
Florin Coras288eaab2019-02-03 15:26:14 -080072 if (svm_fifo_set_event (s->tx_fifo))
Florin Corasfe97da32019-03-06 10:09:04 -080073 session_send_io_evt_to_thread (s->tx_fifo, SESSION_IO_EVT_TX);
Florin Corasef915342018-09-29 10:23:06 -070074 return 0;
75}
76
77int
Florin Coras288eaab2019-02-03 15:26:14 -080078tls_add_vpp_q_builtin_tx_evt (session_t * s)
Florin Corasef915342018-09-29 10:23:06 -070079{
Florin Coras288eaab2019-02-03 15:26:14 -080080 if (svm_fifo_set_event (s->tx_fifo))
Florin Corasef915342018-09-29 10:23:06 -070081 session_send_io_evt_to_thread_custom (s, s->thread_index,
Florin Corasfe97da32019-03-06 10:09:04 -080082 SESSION_IO_EVT_BUILTIN_TX);
Florin Coras371ca502018-02-21 12:07:41 -080083 return 0;
84}
85
86static inline int
Florin Coras288eaab2019-02-03 15:26:14 -080087tls_add_app_q_evt (app_worker_t * app, session_t * app_session)
Florin Coras371ca502018-02-21 12:07:41 -080088{
Florin Corasfe97da32019-03-06 10:09:04 -080089 return app_worker_lock_and_send_event (app, app_session, SESSION_IO_EVT_RX);
Florin Coras371ca502018-02-21 12:07:41 -080090}
91
92u32
Florin Coras371ca502018-02-21 12:07:41 -080093tls_listener_ctx_alloc (void)
94{
95 tls_main_t *tm = &tls_main;
96 tls_ctx_t *ctx;
97
98 pool_get (tm->listener_ctx_pool, ctx);
Dave Barachb7b92992018-10-17 10:38:51 -040099 clib_memset (ctx, 0, sizeof (*ctx));
Florin Coras371ca502018-02-21 12:07:41 -0800100 return ctx - tm->listener_ctx_pool;
101}
102
103void
Florin Corase3e2f072018-03-04 07:24:30 -0800104tls_listener_ctx_free (tls_ctx_t * ctx)
Florin Coras371ca502018-02-21 12:07:41 -0800105{
Florin Corasc01d5782018-10-17 14:53:11 -0700106 if (CLIB_DEBUG)
107 memset (ctx, 0xfb, sizeof (*ctx));
Florin Corase3e2f072018-03-04 07:24:30 -0800108 pool_put (tls_main.listener_ctx_pool, ctx);
Florin Coras371ca502018-02-21 12:07:41 -0800109}
110
111tls_ctx_t *
112tls_listener_ctx_get (u32 ctx_index)
113{
114 return pool_elt_at_index (tls_main.listener_ctx_pool, ctx_index);
115}
116
117u32
118tls_listener_ctx_index (tls_ctx_t * ctx)
119{
120 return (ctx - tls_main.listener_ctx_pool);
121}
122
123u32
124tls_ctx_half_open_alloc (void)
125{
126 tls_main_t *tm = &tls_main;
127 u8 will_expand = 0;
128 tls_ctx_t *ctx;
129 u32 ctx_index;
130
131 pool_get_aligned_will_expand (tm->half_open_ctx_pool, will_expand, 0);
132 if (PREDICT_FALSE (will_expand && vlib_num_workers ()))
133 {
134 clib_rwlock_writer_lock (&tm->half_open_rwlock);
135 pool_get (tm->half_open_ctx_pool, ctx);
Florin Coraseb97e5f2018-10-15 21:35:42 -0700136 ctx_index = ctx - tm->half_open_ctx_pool;
Florin Coras371ca502018-02-21 12:07:41 -0800137 clib_rwlock_writer_unlock (&tm->half_open_rwlock);
138 }
139 else
140 {
Ping Yue6446a32018-08-28 18:56:27 -0400141 /* reader lock assumption: only main thread will call pool_get */
142 clib_rwlock_reader_lock (&tm->half_open_rwlock);
Florin Coras371ca502018-02-21 12:07:41 -0800143 pool_get (tm->half_open_ctx_pool, ctx);
Florin Coraseb97e5f2018-10-15 21:35:42 -0700144 ctx_index = ctx - tm->half_open_ctx_pool;
Ping Yue6446a32018-08-28 18:56:27 -0400145 clib_rwlock_reader_unlock (&tm->half_open_rwlock);
Florin Coras371ca502018-02-21 12:07:41 -0800146 }
Dave Barachb7b92992018-10-17 10:38:51 -0400147 clib_memset (ctx, 0, sizeof (*ctx));
Florin Coras371ca502018-02-21 12:07:41 -0800148 return ctx_index;
149}
150
151void
152tls_ctx_half_open_free (u32 ho_index)
153{
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);
158}
159
160tls_ctx_t *
161tls_ctx_half_open_get (u32 ctx_index)
162{
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);
166}
167
168void
169tls_ctx_half_open_reader_unlock ()
170{
171 clib_rwlock_reader_unlock (&tls_main.half_open_rwlock);
172}
173
174u32
175tls_ctx_half_open_index (tls_ctx_t * ctx)
176{
177 return (ctx - tls_main.half_open_ctx_pool);
178}
179
Florin Coras58d36f02018-03-09 13:05:53 -0800180void
Florin Coras288eaab2019-02-03 15:26:14 -0800181tls_notify_app_enqueue (tls_ctx_t * ctx, session_t * app_session)
Florin Coras58d36f02018-03-09 13:05:53 -0800182{
Florin Corasbf7ce2c2019-03-06 14:44:42 -0800183 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);
Florin Coras58d36f02018-03-09 13:05:53 -0800187}
188
189int
Florin Coras371ca502018-02-21 12:07:41 -0800190tls_notify_app_accept (tls_ctx_t * ctx)
191{
Florin Coras288eaab2019-02-03 15:26:14 -0800192 session_t *app_listener, *app_session;
Florin Coras15531972018-08-12 23:50:53 -0700193 app_worker_t *app_wrk;
Florin Coras371ca502018-02-21 12:07:41 -0800194 tls_ctx_t *lctx;
195 int rv;
196
Florin Coras371ca502018-02-21 12:07:41 -0800197 lctx = tls_listener_ctx_get (ctx->listener_ctx_index);
Florin Corasa27a46e2019-02-18 13:02:28 -0800198 app_listener = listen_session_get_from_handle (lctx->app_session_handle);
Florin Coras371ca502018-02-21 12:07:41 -0800199
Florin Coras58a93e82019-01-14 23:33:46 -0800200 app_session = session_get (ctx->c_s_index, ctx->c_thread_index);
Florin Corasdf57ea02019-02-18 20:14:20 -0800201 app_session->app_wrk_index = ctx->parent_app_wrk_index;
Florin Coras58d36f02018-03-09 13:05:53 -0800202 app_session->connection_index = ctx->tls_ctx_handle;
Florin Coras371ca502018-02-21 12:07:41 -0800203 app_session->session_type = app_listener->session_type;
Nathan Skrzypczak2f0f96b2019-06-13 10:14:28 +0200204 app_session->listener_handle = listen_session_get_handle (app_listener);
Florin Coras8a140612019-02-18 22:39:39 -0800205 app_session->session_state = SESSION_STATE_ACCEPTING;
Florin Coras15531972018-08-12 23:50:53 -0700206
Florin Corasa27a46e2019-02-18 13:02:28 -0800207 if ((rv = app_worker_init_accepted (app_session)))
Florin Coras371ca502018-02-21 12:07:41 -0800208 {
209 TLS_DBG (1, "failed to allocate fifos");
Florin Corasa27a46e2019-02-18 13:02:28 -0800210 session_free (app_session);
Florin Coras371ca502018-02-21 12:07:41 -0800211 return rv;
212 }
Florin Coras371ca502018-02-21 12:07:41 -0800213 ctx->app_session_handle = session_handle (app_session);
Florin Corasb5e94e32018-09-14 14:46:39 -0700214 session_lookup_add_connection (&ctx->connection,
215 session_handle (app_session));
Florin Corasdf57ea02019-02-18 20:14:20 -0800216 ctx->parent_app_wrk_index = app_session->app_wrk_index;
Florin Corasa27a46e2019-02-18 13:02:28 -0800217 app_wrk = app_worker_get (app_session->app_wrk_index);
218 return app_worker_accept_notify (app_wrk, app_session);
Florin Coras371ca502018-02-21 12:07:41 -0800219}
220
Florin Coras58d36f02018-03-09 13:05:53 -0800221int
Florin Coras8f89dd02018-03-05 16:53:07 -0800222tls_notify_app_connected (tls_ctx_t * ctx, u8 is_failed)
Florin Coras371ca502018-02-21 12:07:41 -0800223{
Florin Coras288eaab2019-02-03 15:26:14 -0800224 session_t *app_session;
Florin Coras15531972018-08-12 23:50:53 -0700225 app_worker_t *app_wrk;
Florin Coras371ca502018-02-21 12:07:41 -0800226
Florin Corasdf57ea02019-02-18 20:14:20 -0800227 app_wrk = app_worker_get_if_valid (ctx->parent_app_wrk_index);
Florin Corasef915342018-09-29 10:23:06 -0700228 if (!app_wrk)
229 {
Florin Corasc01d5782018-10-17 14:53:11 -0700230 tls_disconnect_transport (ctx);
Florin Corasef915342018-09-29 10:23:06 -0700231 return -1;
232 }
233
Florin Coras8f89dd02018-03-05 16:53:07 -0800234 if (is_failed)
235 goto failed;
236
Florin Coras58a93e82019-01-14 23:33:46 -0800237 app_session = session_get (ctx->c_s_index, ctx->c_thread_index);
Florin Corasdf57ea02019-02-18 20:14:20 -0800238 app_session->app_wrk_index = ctx->parent_app_wrk_index;
Florin Coras58d36f02018-03-09 13:05:53 -0800239 app_session->connection_index = ctx->tls_ctx_handle;
Florin Coras371ca502018-02-21 12:07:41 -0800240 app_session->session_type =
241 session_type_from_proto_and_ip (TRANSPORT_PROTO_TLS, ctx->tcp_is_ip4);
Florin Coras15531972018-08-12 23:50:53 -0700242
Florin Corasa27a46e2019-02-18 13:02:28 -0800243 if (app_worker_init_connected (app_wrk, app_session))
Florin Coras371ca502018-02-21 12:07:41 -0800244 goto failed;
245
Florin Corasc01d5782018-10-17 14:53:11 -0700246 app_session->session_state = SESSION_STATE_CONNECTING;
Florin Corasa27a46e2019-02-18 13:02:28 -0800247 if (app_worker_connect_notify (app_wrk, app_session,
248 ctx->parent_app_api_context))
Florin Coras371ca502018-02-21 12:07:41 -0800249 {
250 TLS_DBG (1, "failed to notify app");
Florin Coras58d36f02018-03-09 13:05:53 -0800251 tls_disconnect (ctx->tls_ctx_handle, vlib_get_thread_index ());
Florin Coraseb97e5f2018-10-15 21:35:42 -0700252 return -1;
Florin Coras371ca502018-02-21 12:07:41 -0800253 }
254
Florin Coras58a93e82019-01-14 23:33:46 -0800255 ctx->app_session_handle = session_handle (app_session);
Florin Corasc01d5782018-10-17 14:53:11 -0700256 app_session->session_state = SESSION_STATE_READY;
Florin Corasb5e94e32018-09-14 14:46:39 -0700257 session_lookup_add_connection (&ctx->connection,
258 session_handle (app_session));
259
Florin Coras371ca502018-02-21 12:07:41 -0800260 return 0;
261
262failed:
Florin Corasef2b3352019-08-07 11:14:56 -0700263 /* 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;
Florin Coras58d36f02018-03-09 13:05:53 -0800266 tls_disconnect (ctx->tls_ctx_handle, vlib_get_thread_index ());
Florin Corasa27a46e2019-02-18 13:02:28 -0800267 return app_worker_connect_notify (app_wrk, 0, ctx->parent_app_api_context);
Florin Coras371ca502018-02-21 12:07:41 -0800268}
269
Florin Coras58d36f02018-03-09 13:05:53 -0800270static inline void
271tls_ctx_parse_handle (u32 ctx_handle, u32 * ctx_index, u32 * engine_type)
Florin Corasd77eee62018-03-07 08:49:27 -0800272{
Florin Coras58d36f02018-03-09 13:05:53 -0800273 *ctx_index = ctx_handle & TLS_IDX_MASK;
274 *engine_type = ctx_handle >> TLS_ENGINE_TYPE_SHIFT;
275}
276
277static inline tls_engine_type_t
278tls_get_engine_type (tls_engine_type_t preferred)
279{
280 if (!tls_vfts[preferred].ctx_alloc)
281 return tls_get_available_engine ();
282 return preferred;
283}
284
285static inline u32
286tls_ctx_alloc (tls_engine_type_t engine_type)
287{
288 u32 ctx_index;
289 ctx_index = tls_vfts[engine_type].ctx_alloc ();
290 return (((u32) engine_type << TLS_ENGINE_TYPE_SHIFT) | ctx_index);
Florin Corasd77eee62018-03-07 08:49:27 -0800291}
292
Florin Corasd77eee62018-03-07 08:49:27 -0800293static inline tls_ctx_t *
Florin Coras58d36f02018-03-09 13:05:53 -0800294tls_ctx_get (u32 ctx_handle)
Florin Corasd77eee62018-03-07 08:49:27 -0800295{
Florin Coras58d36f02018-03-09 13:05:53 -0800296 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);
Florin Corasd77eee62018-03-07 08:49:27 -0800299}
300
301static inline tls_ctx_t *
Florin Coras58d36f02018-03-09 13:05:53 -0800302tls_ctx_get_w_thread (u32 ctx_handle, u8 thread_index)
Florin Corasd77eee62018-03-07 08:49:27 -0800303{
Florin Coras58d36f02018-03-09 13:05:53 -0800304 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);
Florin Corasd77eee62018-03-07 08:49:27 -0800307}
308
309static inline int
310tls_ctx_init_server (tls_ctx_t * ctx)
311{
Florin Coras58d36f02018-03-09 13:05:53 -0800312 return tls_vfts[ctx->tls_ctx_engine].ctx_init_server (ctx);
Florin Corasd77eee62018-03-07 08:49:27 -0800313}
314
315static inline int
316tls_ctx_init_client (tls_ctx_t * ctx)
317{
Florin Coras58d36f02018-03-09 13:05:53 -0800318 return tls_vfts[ctx->tls_ctx_engine].ctx_init_client (ctx);
Florin Corasd77eee62018-03-07 08:49:27 -0800319}
320
321static inline int
Florin Coras288eaab2019-02-03 15:26:14 -0800322tls_ctx_write (tls_ctx_t * ctx, session_t * app_session)
Florin Corasd77eee62018-03-07 08:49:27 -0800323{
Florin Coras58d36f02018-03-09 13:05:53 -0800324 return tls_vfts[ctx->tls_ctx_engine].ctx_write (ctx, app_session);
Florin Corasd77eee62018-03-07 08:49:27 -0800325}
326
327static inline int
Florin Coras288eaab2019-02-03 15:26:14 -0800328tls_ctx_read (tls_ctx_t * ctx, session_t * tls_session)
Florin Corasd77eee62018-03-07 08:49:27 -0800329{
Florin Coras58d36f02018-03-09 13:05:53 -0800330 return tls_vfts[ctx->tls_ctx_engine].ctx_read (ctx, tls_session);
Florin Corasd77eee62018-03-07 08:49:27 -0800331}
332
Florin Coras06a6a302019-04-17 14:19:12 -0700333static inline int
334tls_ctx_transport_close (tls_ctx_t * ctx)
335{
336 return tls_vfts[ctx->tls_ctx_engine].ctx_transport_close (ctx);
337}
338
339static inline int
340tls_ctx_app_close (tls_ctx_t * ctx)
341{
342 return tls_vfts[ctx->tls_ctx_engine].ctx_app_close (ctx);
343}
344
345void
346tls_ctx_free (tls_ctx_t * ctx)
347{
Florin Coras06a6a302019-04-17 14:19:12 -0700348 tls_vfts[ctx->tls_ctx_engine].ctx_free (ctx);
349}
350
351u8
Florin Corasd77eee62018-03-07 08:49:27 -0800352tls_ctx_handshake_is_over (tls_ctx_t * ctx)
353{
Florin Coras58d36f02018-03-09 13:05:53 -0800354 return tls_vfts[ctx->tls_ctx_engine].ctx_handshake_is_over (ctx);
Florin Coras371ca502018-02-21 12:07:41 -0800355}
356
357void
Florin Coras288eaab2019-02-03 15:26:14 -0800358tls_session_reset_callback (session_t * s)
Florin Coras371ca502018-02-21 12:07:41 -0800359{
Florin Corasf03c4942019-08-07 21:39:27 -0700360 tls_ctx_t *ctx;
361
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);
Florin Coras371ca502018-02-21 12:07:41 -0800366}
367
368int
Florin Corasfa76a762018-11-29 12:40:10 -0800369tls_add_segment_callback (u32 client_index, u64 segment_handle)
Florin Coras371ca502018-02-21 12:07:41 -0800370{
371 /* No-op for builtin */
372 return 0;
373}
374
375int
Florin Corasfa76a762018-11-29 12:40:10 -0800376tls_del_segment_callback (u32 client_index, u64 segment_handle)
Florin Coras371ca502018-02-21 12:07:41 -0800377{
378 return 0;
379}
380
381void
Florin Coras288eaab2019-02-03 15:26:14 -0800382tls_session_disconnect_callback (session_t * tls_session)
Florin Coras371ca502018-02-21 12:07:41 -0800383{
Florin Coras371ca502018-02-21 12:07:41 -0800384 tls_ctx_t *ctx;
Florin Corasbf7ce2c2019-03-06 14:44:42 -0800385
386 TLS_DBG (1, "TCP disconnecting handle %x session %u", tls_session->opaque,
387 tls_session->session_index);
Florin Coras371ca502018-02-21 12:07:41 -0800388
389 ctx = tls_ctx_get (tls_session->opaque);
Florin Coras371ca502018-02-21 12:07:41 -0800390 ctx->is_passive_close = 1;
Florin Coras06a6a302019-04-17 14:19:12 -0700391 tls_ctx_transport_close (ctx);
Florin Coras371ca502018-02-21 12:07:41 -0800392}
393
394int
Florin Coras288eaab2019-02-03 15:26:14 -0800395tls_session_accept_callback (session_t * tls_session)
Florin Coras371ca502018-02-21 12:07:41 -0800396{
Florin Coras288eaab2019-02-03 15:26:14 -0800397 session_t *tls_listener, *app_session;
Florin Coras371ca502018-02-21 12:07:41 -0800398 tls_ctx_t *lctx, *ctx;
Florin Coras58d36f02018-03-09 13:05:53 -0800399 u32 ctx_handle;
Florin Coras371ca502018-02-21 12:07:41 -0800400
Nathan Skrzypczak2f0f96b2019-06-13 10:14:28 +0200401 tls_listener =
402 listen_session_get_from_handle (tls_session->listener_handle);
Florin Coras371ca502018-02-21 12:07:41 -0800403 lctx = tls_listener_ctx_get (tls_listener->opaque);
Florin Coras58d36f02018-03-09 13:05:53 -0800404
405 ctx_handle = tls_ctx_alloc (lctx->tls_ctx_engine);
406 ctx = tls_ctx_get (ctx_handle);
Florin Coras371ca502018-02-21 12:07:41 -0800407 memcpy (ctx, lctx, sizeof (*lctx));
408 ctx->c_thread_index = vlib_get_thread_index ();
Florin Coras58d36f02018-03-09 13:05:53 -0800409 ctx->tls_ctx_handle = ctx_handle;
Florin Coras371ca502018-02-21 12:07:41 -0800410 tls_session->session_state = SESSION_STATE_READY;
Florin Coras58d36f02018-03-09 13:05:53 -0800411 tls_session->opaque = ctx_handle;
Florin Coras371ca502018-02-21 12:07:41 -0800412 ctx->tls_session_handle = session_handle (tls_session);
413 ctx->listener_ctx_index = tls_listener->opaque;
Florin Corasd09236d2019-08-08 17:38:26 -0700414 ctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
Nathan Skrzypczak79f89532019-09-13 11:08:13 +0200415 ctx->ckpair_index = lctx->ckpair_index;
Florin Coras371ca502018-02-21 12:07:41 -0800416
Florin Coras58a93e82019-01-14 23:33:46 -0800417 /* 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;
422
Florin Coras58d36f02018-03-09 13:05:53 -0800423 TLS_DBG (1, "Accept on listener %u new connection [%u]%x",
424 tls_listener->opaque, vlib_get_thread_index (), ctx_handle);
Florin Coras371ca502018-02-21 12:07:41 -0800425
426 return tls_ctx_init_server (ctx);
427}
428
429int
Florin Coras288eaab2019-02-03 15:26:14 -0800430tls_app_rx_callback (session_t * tls_session)
Florin Coras371ca502018-02-21 12:07:41 -0800431{
Florin Coras371ca502018-02-21 12:07:41 -0800432 tls_ctx_t *ctx;
Florin Coras371ca502018-02-21 12:07:41 -0800433
434 ctx = tls_ctx_get (tls_session->opaque);
Florin Coras58d36f02018-03-09 13:05:53 -0800435 tls_ctx_read (ctx, tls_session);
436 return 0;
Florin Coras371ca502018-02-21 12:07:41 -0800437}
438
439int
440tls_session_connected_callback (u32 tls_app_index, u32 ho_ctx_index,
Florin Coras288eaab2019-02-03 15:26:14 -0800441 session_t * tls_session, u8 is_fail)
Florin Coras371ca502018-02-21 12:07:41 -0800442{
Florin Coras288eaab2019-02-03 15:26:14 -0800443 session_t *app_session;
Florin Coras371ca502018-02-21 12:07:41 -0800444 tls_ctx_t *ho_ctx, *ctx;
Florin Coras58d36f02018-03-09 13:05:53 -0800445 u32 ctx_handle;
Florin Coras371ca502018-02-21 12:07:41 -0800446
447 ho_ctx = tls_ctx_half_open_get (ho_ctx_index);
Florin Coras371ca502018-02-21 12:07:41 -0800448
449 if (is_fail)
Florin Corasdcde9272018-03-02 09:23:42 -0800450 {
Florin Coras57791ad2018-08-27 10:07:40 -0700451 app_worker_t *app_wrk;
Florin Coras69b68ef2019-04-02 11:38:51 -0700452 u32 api_context;
453 int rv = 0;
Florin Coras57791ad2018-08-27 10:07:40 -0700454
Florin Corasdf57ea02019-02-18 20:14:20 -0800455 app_wrk = app_worker_get_if_valid (ho_ctx->parent_app_wrk_index);
Florin Corasef915342018-09-29 10:23:06 -0700456 if (app_wrk)
457 {
458 api_context = ho_ctx->c_s_index;
Florin Coras69b68ef2019-04-02 11:38:51 -0700459 app_worker_connect_notify (app_wrk, 0, api_context);
Florin Corasef915342018-09-29 10:23:06 -0700460 }
Florin Corasdcde9272018-03-02 09:23:42 -0800461 tls_ctx_half_open_reader_unlock ();
462 tls_ctx_half_open_free (ho_ctx_index);
Florin Corasef915342018-09-29 10:23:06 -0700463 return rv;
Florin Corasdcde9272018-03-02 09:23:42 -0800464 }
Florin Coras371ca502018-02-21 12:07:41 -0800465
Florin Coras58d36f02018-03-09 13:05:53 -0800466 ctx_handle = tls_ctx_alloc (ho_ctx->tls_ctx_engine);
467 ctx = tls_ctx_get (ctx_handle);
Dave Barach178cf492018-11-13 16:34:13 -0500468 clib_memcpy_fast (ctx, ho_ctx, sizeof (*ctx));
Florin Coras371ca502018-02-21 12:07:41 -0800469 tls_ctx_half_open_reader_unlock ();
470 tls_ctx_half_open_free (ho_ctx_index);
471
Florin Corasdcde9272018-03-02 09:23:42 -0800472 ctx->c_thread_index = vlib_get_thread_index ();
Florin Coras58d36f02018-03-09 13:05:53 -0800473 ctx->tls_ctx_handle = ctx_handle;
Florin Corasd09236d2019-08-08 17:38:26 -0700474 ctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
Florin Corasdcde9272018-03-02 09:23:42 -0800475
Florin Coras58d36f02018-03-09 13:05:53 -0800476 TLS_DBG (1, "TCP connect for %u returned %u. New connection [%u]%x",
Florin Coras371ca502018-02-21 12:07:41 -0800477 ho_ctx_index, is_fail, vlib_get_thread_index (),
Florin Coras58d36f02018-03-09 13:05:53 -0800478 (ctx) ? ctx_handle : ~0);
Florin Coras371ca502018-02-21 12:07:41 -0800479
480 ctx->tls_session_handle = session_handle (tls_session);
Florin Coras58d36f02018-03-09 13:05:53 -0800481 tls_session->opaque = ctx_handle;
Florin Coras371ca502018-02-21 12:07:41 -0800482 tls_session->session_state = SESSION_STATE_READY;
483
Florin Coras58a93e82019-01-14 23:33:46 -0800484 /* 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;
489
Florin Coras371ca502018-02-21 12:07:41 -0800490 return tls_ctx_init_client (ctx);
Florin Coras371ca502018-02-21 12:07:41 -0800491}
492
Florin Corasef2b3352019-08-07 11:14:56 -0700493static void
494tls_app_session_cleanup (session_t * s, session_cleanup_ntf_t ntf)
495{
496 tls_ctx_t *ctx;
497
498 if (ntf == SESSION_CLEANUP_TRANSPORT)
499 return;
500
501 ctx = tls_ctx_get (s->opaque);
502 if (!ctx->no_app_session)
503 session_transport_delete_notify (&ctx->connection);
504 tls_ctx_free (ctx);
505}
506
Florin Coras371ca502018-02-21 12:07:41 -0800507/* *INDENT-OFF* */
508static 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,
Florin Corasef2b3352019-08-07 11:14:56 -0700516 .session_cleanup_callback = tls_app_session_cleanup,
Florin Coras371ca502018-02-21 12:07:41 -0800517};
518/* *INDENT-ON* */
519
520int
Florin Coras5665ced2018-10-25 18:03:45 -0700521tls_connect (transport_endpoint_cfg_t * tep)
Florin Coras371ca502018-02-21 12:07:41 -0800522{
Florin Coras15531972018-08-12 23:50:53 -0700523 vnet_connect_args_t _cargs = { {}, }, *cargs = &_cargs;
Florin Coras5665ced2018-10-25 18:03:45 -0700524 session_endpoint_cfg_t *sep;
Florin Coras58d36f02018-03-09 13:05:53 -0800525 tls_engine_type_t engine_type;
Florin Coras371ca502018-02-21 12:07:41 -0800526 tls_main_t *tm = &tls_main;
Florin Coras15531972018-08-12 23:50:53 -0700527 app_worker_t *app_wrk;
Florin Coras371ca502018-02-21 12:07:41 -0800528 application_t *app;
529 tls_ctx_t *ctx;
530 u32 ctx_index;
Florin Corasc1a42652019-02-08 18:27:29 -0800531 int rv;
Florin Coras371ca502018-02-21 12:07:41 -0800532
Florin Coras5665ced2018-10-25 18:03:45 -0700533 sep = (session_endpoint_cfg_t *) tep;
Florin Coras15531972018-08-12 23:50:53 -0700534 app_wrk = app_worker_get (sep->app_wrk_index);
535 app = application_get (app_wrk->app_index);
Florin Coras58d36f02018-03-09 13:05:53 -0800536 engine_type = tls_get_engine_type (app->tls_engine);
537 if (engine_type == TLS_ENGINE_NONE)
538 {
539 clib_warning ("No tls engine_type available");
540 return -1;
541 }
Florin Coras371ca502018-02-21 12:07:41 -0800542
543 ctx_index = tls_ctx_half_open_alloc ();
544 ctx = tls_ctx_half_open_get (ctx_index);
Florin Corasdf57ea02019-02-18 20:14:20 -0800545 ctx->parent_app_wrk_index = sep->app_wrk_index;
Florin Coras371ca502018-02-21 12:07:41 -0800546 ctx->parent_app_api_context = sep->opaque;
547 ctx->tcp_is_ip4 = sep->is_ip4;
Florin Coras8f89dd02018-03-05 16:53:07 -0800548 if (sep->hostname)
549 {
550 ctx->srv_hostname = format (0, "%v", sep->hostname);
551 vec_terminate_c_string (ctx->srv_hostname);
552 }
Florin Coras371ca502018-02-21 12:07:41 -0800553 tls_ctx_half_open_reader_unlock ();
554
Florin Coras15531972018-08-12 23:50:53 -0700555 app_worker_alloc_connects_segment_manager (app_wrk);
Florin Coras58d36f02018-03-09 13:05:53 -0800556 ctx->tls_ctx_engine = engine_type;
Florin Coras371ca502018-02-21 12:07:41 -0800557
Dave Barach178cf492018-11-13 16:34:13 -0500558 clib_memcpy_fast (&cargs->sep, sep, sizeof (session_endpoint_t));
Florin Coras15531972018-08-12 23:50:53 -0700559 cargs->sep.transport_proto = TRANSPORT_PROTO_TCP;
560 cargs->app_index = tm->app_index;
561 cargs->api_context = ctx_index;
Florin Coras8a140612019-02-18 22:39:39 -0800562 cargs->sep_ext.ns_index = app->ns_index;
Florin Corasc1a42652019-02-08 18:27:29 -0800563 if ((rv = vnet_connect (cargs)))
564 return rv;
Florin Coras371ca502018-02-21 12:07:41 -0800565
Florin Coras58d36f02018-03-09 13:05:53 -0800566 TLS_DBG (1, "New connect request %u engine %d", ctx_index, engine_type);
Florin Coras371ca502018-02-21 12:07:41 -0800567 return 0;
568}
569
570void
Florin Coras58d36f02018-03-09 13:05:53 -0800571tls_disconnect (u32 ctx_handle, u32 thread_index)
Florin Coras371ca502018-02-21 12:07:41 -0800572{
Florin Coras371ca502018-02-21 12:07:41 -0800573 tls_ctx_t *ctx;
574
Florin Coras58d36f02018-03-09 13:05:53 -0800575 TLS_DBG (1, "Disconnecting %x", ctx_handle);
Florin Coras371ca502018-02-21 12:07:41 -0800576
Florin Coras58d36f02018-03-09 13:05:53 -0800577 ctx = tls_ctx_get (ctx_handle);
Florin Coras06a6a302019-04-17 14:19:12 -0700578 tls_ctx_app_close (ctx);
Florin Coras371ca502018-02-21 12:07:41 -0800579}
580
581u32
582tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
583{
Florin Corasc9940fc2019-02-05 20:55:11 -0800584 vnet_listen_args_t _bargs, *args = &_bargs;
Florin Corasab2f6db2018-08-31 14:31:41 -0700585 app_worker_t *app_wrk;
Florin Coras371ca502018-02-21 12:07:41 -0800586 tls_main_t *tm = &tls_main;
Florin Corasa27a46e2019-02-18 13:02:28 -0800587 session_handle_t tls_al_handle;
Florin Coras5665ced2018-10-25 18:03:45 -0700588 session_endpoint_cfg_t *sep;
Florin Coras288eaab2019-02-03 15:26:14 -0800589 session_t *tls_listener;
590 session_t *app_listener;
Florin Coras58d36f02018-03-09 13:05:53 -0800591 tls_engine_type_t engine_type;
Florin Coras74cac882018-09-07 09:13:15 -0700592 application_t *app;
Florin Corasa27a46e2019-02-18 13:02:28 -0800593 app_listener_t *al;
Florin Coras15531972018-08-12 23:50:53 -0700594 tls_ctx_t *lctx;
595 u32 lctx_index;
Florin Coras371ca502018-02-21 12:07:41 -0800596
Florin Coras5665ced2018-10-25 18:03:45 -0700597 sep = (session_endpoint_cfg_t *) tep;
Florin Coras15531972018-08-12 23:50:53 -0700598 app_wrk = app_worker_get (sep->app_wrk_index);
599 app = application_get (app_wrk->app_index);
Florin Coras58d36f02018-03-09 13:05:53 -0800600 engine_type = tls_get_engine_type (app->tls_engine);
601 if (engine_type == TLS_ENGINE_NONE)
602 {
603 clib_warning ("No tls engine_type available");
604 return -1;
605 }
606
Florin Coras371ca502018-02-21 12:07:41 -0800607 sep->transport_proto = TRANSPORT_PROTO_TCP;
Dave Barachb7b92992018-10-17 10:38:51 -0400608 clib_memset (args, 0, sizeof (*args));
Florin Coras74cac882018-09-07 09:13:15 -0700609 args->app_index = tm->app_index;
610 args->sep_ext = *sep;
Florin Coras8a140612019-02-18 22:39:39 -0800611 args->sep_ext.ns_index = app->ns_index;
Florin Corasc9940fc2019-02-05 20:55:11 -0800612 if (vnet_listen (args))
Florin Coras74cac882018-09-07 09:13:15 -0700613 return -1;
Florin Coras371ca502018-02-21 12:07:41 -0800614
Florin Coras74cac882018-09-07 09:13:15 -0700615 lctx_index = tls_listener_ctx_alloc ();
Florin Corasa27a46e2019-02-18 13:02:28 -0800616 tls_al_handle = args->handle;
617 al = app_listener_get_w_handle (tls_al_handle);
618 tls_listener = app_listener_get_session (al);
Florin Coras371ca502018-02-21 12:07:41 -0800619 tls_listener->opaque = lctx_index;
Florin Coras58d36f02018-03-09 13:05:53 -0800620
Florin Coras5c9083d2018-04-13 06:39:07 -0700621 app_listener = listen_session_get (app_listener_index);
Florin Coras58d36f02018-03-09 13:05:53 -0800622
623 lctx = tls_listener_ctx_get (lctx_index);
Florin Corasdf57ea02019-02-18 20:14:20 -0800624 lctx->parent_app_wrk_index = sep->app_wrk_index;
Florin Corasa27a46e2019-02-18 13:02:28 -0800625 lctx->tls_session_handle = tls_al_handle;
Florin Coras371ca502018-02-21 12:07:41 -0800626 lctx->app_session_handle = listen_session_get_handle (app_listener);
627 lctx->tcp_is_ip4 = sep->is_ip4;
Florin Coras58d36f02018-03-09 13:05:53 -0800628 lctx->tls_ctx_engine = engine_type;
Nathan Skrzypczak79f89532019-09-13 11:08:13 +0200629 lctx->ckpair_index = sep->ckpair_index;
Florin Coras58d36f02018-03-09 13:05:53 -0800630
Florin Corasae3eaac2019-07-23 22:38:16 -0700631 if (tls_vfts[engine_type].ctx_start_listen (lctx))
632 {
633 vnet_unlisten_args_t a = {
634 .handle = lctx->tls_session_handle,
635 .app_index = tls_main.app_index,
636 .wrk_map_index = 0
637 };
638 if ((vnet_unlisten (&a)))
639 clib_warning ("unlisten returned");
640 tls_listener_ctx_free (lctx);
641 lctx_index = SESSION_INVALID_INDEX;
642 }
Ping Yudecda5b2018-08-13 06:20:00 -0400643
Florin Coras58d36f02018-03-09 13:05:53 -0800644 TLS_DBG (1, "Started listening %d, engine type %d", lctx_index,
645 engine_type);
Florin Coras371ca502018-02-21 12:07:41 -0800646 return lctx_index;
647}
648
649u32
Florin Corase3e2f072018-03-04 07:24:30 -0800650tls_stop_listen (u32 lctx_index)
Florin Coras371ca502018-02-21 12:07:41 -0800651{
Ping Yudecda5b2018-08-13 06:20:00 -0400652 tls_engine_type_t engine_type;
Florin Corasb5e94e32018-09-14 14:46:39 -0700653 tls_ctx_t *lctx;
Florin Corasc1a42652019-02-08 18:27:29 -0800654 int rv;
Ping Yudecda5b2018-08-13 06:20:00 -0400655
Florin Corase3e2f072018-03-04 07:24:30 -0800656 lctx = tls_listener_ctx_get (lctx_index);
Florin Corasc1a42652019-02-08 18:27:29 -0800657 vnet_unlisten_args_t a = {
Florin Corasb5e94e32018-09-14 14:46:39 -0700658 .handle = lctx->tls_session_handle,
659 .app_index = tls_main.app_index,
660 .wrk_map_index = 0 /* default wrk */
661 };
Florin Corasc1a42652019-02-08 18:27:29 -0800662 if ((rv = vnet_unlisten (&a)))
663 clib_warning ("unlisten returned %d", rv);
Florin Corasb5e94e32018-09-14 14:46:39 -0700664
Ping Yudecda5b2018-08-13 06:20:00 -0400665 engine_type = lctx->tls_ctx_engine;
666 tls_vfts[engine_type].ctx_stop_listen (lctx);
667
Florin Corase3e2f072018-03-04 07:24:30 -0800668 tls_listener_ctx_free (lctx);
Florin Coras371ca502018-02-21 12:07:41 -0800669 return 0;
670}
671
672transport_connection_t *
Florin Corase3e2f072018-03-04 07:24:30 -0800673tls_connection_get (u32 ctx_index, u32 thread_index)
674{
675 tls_ctx_t *ctx;
676 ctx = tls_ctx_get_w_thread (ctx_index, thread_index);
677 return &ctx->connection;
678}
679
680transport_connection_t *
Florin Coras371ca502018-02-21 12:07:41 -0800681tls_listener_get (u32 listener_index)
682{
683 tls_ctx_t *ctx;
684 ctx = tls_listener_ctx_get (listener_index);
685 return &ctx->connection;
686}
687
Florin Corasf940f8a2019-03-06 10:44:38 -0800688int
Florin Coras26dd6de2019-07-23 23:54:47 -0700689tls_custom_tx_callback (void *session, u32 max_burst_size)
Florin Corasf940f8a2019-03-06 10:44:38 -0800690{
691 session_t *app_session = (session_t *) session;
692 tls_ctx_t *ctx;
Florin Corasbf7ce2c2019-03-06 14:44:42 -0800693
694 if (PREDICT_FALSE (app_session->session_state
695 >= SESSION_STATE_TRANSPORT_CLOSED))
Florin Corasf940f8a2019-03-06 10:44:38 -0800696 return 0;
Florin Corasbf7ce2c2019-03-06 14:44:42 -0800697
Florin Corasf940f8a2019-03-06 10:44:38 -0800698 ctx = tls_ctx_get (app_session->connection_index);
699 tls_ctx_write (ctx, app_session);
700 return 0;
701}
702
Florin Coras371ca502018-02-21 12:07:41 -0800703u8 *
704format_tls_ctx (u8 * s, va_list * args)
705{
Florin Corasbf7ce2c2019-03-06 14:44:42 -0800706 u32 tcp_si, tcp_ti, ctx_index, ctx_engine, app_si, app_ti;
Florin Coras371ca502018-02-21 12:07:41 -0800707 tls_ctx_t *ctx = va_arg (*args, tls_ctx_t *);
Florin Coras371ca502018-02-21 12:07:41 -0800708
Florin Corasbf7ce2c2019-03-06 14:44:42 -0800709 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);
Florin Coras371ca502018-02-21 12:07:41 -0800715
Florin Coras371ca502018-02-21 12:07:41 -0800716 return s;
717}
718
719u8 *
720format_tls_connection (u8 * s, va_list * args)
721{
722 u32 ctx_index = va_arg (*args, u32);
723 u32 thread_index = va_arg (*args, u32);
724 u32 verbose = va_arg (*args, u32);
725 tls_ctx_t *ctx;
726
727 ctx = tls_ctx_get_w_thread (ctx_index, thread_index);
728 if (!ctx)
729 return s;
730
Florin Corasbf7ce2c2019-03-06 14:44:42 -0800731 s = format (s, "%-50U", format_tls_ctx, ctx);
Florin Coras371ca502018-02-21 12:07:41 -0800732 if (verbose)
733 {
Florin Coras288eaab2019-02-03 15:26:14 -0800734 session_t *ts;
Florin Corasef915342018-09-29 10:23:06 -0700735 ts = session_get_from_handle (ctx->app_session_handle);
736 s = format (s, "state: %-7u", ts->session_state);
Florin Coras371ca502018-02-21 12:07:41 -0800737 if (verbose > 1)
738 s = format (s, "\n");
739 }
740 return s;
741}
742
743u8 *
744format_tls_listener (u8 * s, va_list * args)
745{
746 u32 tc_index = va_arg (*args, u32);
Aloys Augustina0abbff2019-07-12 12:16:16 +0200747 u32 __clib_unused thread_index = va_arg (*args, u32);
Florin Coras8a140612019-02-18 22:39:39 -0800748 u32 __clib_unused verbose = va_arg (*args, u32);
Florin Coras371ca502018-02-21 12:07:41 -0800749 tls_ctx_t *ctx = tls_listener_ctx_get (tc_index);
Florin Corasbf7ce2c2019-03-06 14:44:42 -0800750 session_t *tls_listener;
751 app_listener_t *al;
752 u32 app_si, app_ti;
Florin Coras371ca502018-02-21 12:07:41 -0800753
Florin Corasbf7ce2c2019-03-06 14:44:42 -0800754 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);
760 return s;
Florin Coras371ca502018-02-21 12:07:41 -0800761}
762
763u8 *
764format_tls_half_open (u8 * s, va_list * args)
765{
766 u32 tc_index = va_arg (*args, u32);
Aloys Augustina0abbff2019-07-12 12:16:16 +0200767 u32 __clib_unused thread_index = va_arg (*args, u32);
Florin Coras371ca502018-02-21 12:07:41 -0800768 tls_ctx_t *ctx = tls_ctx_half_open_get (tc_index);
Florin Corasdf57ea02019-02-18 20:14:20 -0800769 s = format (s, "[TLS] half-open app %u", ctx->parent_app_wrk_index);
Florin Coras371ca502018-02-21 12:07:41 -0800770 tls_ctx_half_open_reader_unlock ();
771 return s;
772}
773
Yu Ping0b819152019-05-07 02:24:30 +0800774static void
775tls_transport_endpoint_get (u32 ctx_handle, u32 thread_index,
776 transport_endpoint_t * tep, u8 is_lcl)
777{
778 tls_ctx_t *ctx = tls_ctx_get_w_thread (ctx_handle, thread_index);
779 session_t *tcp_session;
780
781 tcp_session = session_get_from_handle (ctx->tls_session_handle);
782 session_get_endpoint (tcp_session, tep, is_lcl);
783}
784
785static void
786tls_transport_listener_endpoint_get (u32 ctx_handle,
787 transport_endpoint_t * tep, u8 is_lcl)
788{
789 session_t *tls_listener;
790 app_listener_t *al;
791 tls_ctx_t *ctx = tls_listener_ctx_get (ctx_handle);
792
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);
796}
797
Florin Coras371ca502018-02-21 12:07:41 -0800798/* *INDENT-OFF* */
Nathan Skrzypczake971bc92019-06-19 13:42:37 +0200799static const transport_proto_vft_t tls_proto = {
Florin Coras1ee78302019-02-05 15:51:15 -0800800 .connect = tls_connect,
Florin Coras371ca502018-02-21 12:07:41 -0800801 .close = tls_disconnect,
Florin Coras1ee78302019-02-05 15:51:15 -0800802 .start_listen = tls_start_listen,
803 .stop_listen = tls_stop_listen,
Florin Corase3e2f072018-03-04 07:24:30 -0800804 .get_connection = tls_connection_get,
Florin Coras371ca502018-02-21 12:07:41 -0800805 .get_listener = tls_listener_get,
Florin Corasf940f8a2019-03-06 10:44:38 -0800806 .custom_tx = tls_custom_tx_callback,
Florin Coras371ca502018-02-21 12:07:41 -0800807 .format_connection = format_tls_connection,
808 .format_half_open = format_tls_half_open,
809 .format_listener = format_tls_listener,
Yu Ping0b819152019-05-07 02:24:30 +0800810 .get_transport_endpoint = tls_transport_endpoint_get,
811 .get_transport_listener_endpoint = tls_transport_listener_endpoint_get,
Nathan Skrzypczake971bc92019-06-19 13:42:37 +0200812 .transport_options = {
813 .tx_type = TRANSPORT_TX_INTERNAL,
814 .service_type = TRANSPORT_SERVICE_APP,
815 },
Florin Coras371ca502018-02-21 12:07:41 -0800816};
817/* *INDENT-ON* */
818
Florin Corasd77eee62018-03-07 08:49:27 -0800819void
820tls_register_engine (const tls_engine_vft_t * vft, tls_engine_type_t type)
Florin Coras371ca502018-02-21 12:07:41 -0800821{
Florin Corasd77eee62018-03-07 08:49:27 -0800822 vec_validate (tls_vfts, type);
823 tls_vfts[type] = *vft;
Florin Coras371ca502018-02-21 12:07:41 -0800824}
825
Dave Barachcc5677b2018-03-28 19:08:45 -0400826static clib_error_t *
Florin Coras371ca502018-02-21 12:07:41 -0800827tls_init (vlib_main_t * vm)
828{
Aloys Augustinbec771b2019-07-12 11:05:35 +0200829 u32 add_segment_size = 256 << 20, first_seg_size = 32 << 20;
Florin Coras58d36f02018-03-09 13:05:53 -0800830 vlib_thread_main_t *vtm = vlib_get_thread_main ();
Florin Corasddd98f32019-03-25 08:30:53 -0700831 u32 num_threads, fifo_size = 128 << 10;
Florin Coras371ca502018-02-21 12:07:41 -0800832 vnet_app_attach_args_t _a, *a = &_a;
833 u64 options[APP_OPTIONS_N_OPTIONS];
Florin Coras371ca502018-02-21 12:07:41 -0800834 tls_main_t *tm = &tls_main;
Florin Coras58d36f02018-03-09 13:05:53 -0800835
Florin Corasddd98f32019-03-25 08:30:53 -0700836 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;
Florin Coras58d36f02018-03-09 13:05:53 -0800838 num_threads = 1 /* main thread */ + vtm->n_threads;
Florin Coras371ca502018-02-21 12:07:41 -0800839
Dave Barachb7b92992018-10-17 10:38:51 -0400840 clib_memset (a, 0, sizeof (*a));
841 clib_memset (options, 0, sizeof (options));
Florin Coras371ca502018-02-21 12:07:41 -0800842
843 a->session_cb_vft = &tls_app_cb_vft;
Florin Coras0bee9ce2018-03-22 21:24:31 -0700844 a->api_client_index = APP_INVALID_INDEX;
Florin Coras371ca502018-02-21 12:07:41 -0800845 a->options = options;
Florin Coras0bee9ce2018-03-22 21:24:31 -0700846 a->name = format (0, "tls");
Florin Corasddd98f32019-03-25 08:30:53 -0700847 a->options[APP_OPTIONS_SEGMENT_SIZE] = first_seg_size;
848 a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = add_segment_size;
Florin Coras371ca502018-02-21 12:07:41 -0800849 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;
Florin Corasda3eec12018-09-07 13:29:17 -0700853 a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_IS_TRANSPORT_APP;
Florin Coras371ca502018-02-21 12:07:41 -0800854
855 if (vnet_application_attach (a))
856 {
857 clib_warning ("failed to attach tls app");
858 return clib_error_return (0, "failed to attach tls app");
859 }
860
Florin Corasd77eee62018-03-07 08:49:27 -0800861 if (!tm->ca_cert_path)
862 tm->ca_cert_path = TLS_CA_CERT_PATH;
863
Florin Coras371ca502018-02-21 12:07:41 -0800864 tm->app_index = a->app_index;
Florin Coras371ca502018-02-21 12:07:41 -0800865 clib_rwlock_init (&tm->half_open_rwlock);
866
Florin Coras58d36f02018-03-09 13:05:53 -0800867 vec_validate (tm->rx_bufs, num_threads - 1);
868 vec_validate (tm->tx_bufs, num_threads - 1);
869
Florin Coras371ca502018-02-21 12:07:41 -0800870 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);
Florin Coras0bee9ce2018-03-22 21:24:31 -0700874 vec_free (a->name);
Florin Coras371ca502018-02-21 12:07:41 -0800875 return 0;
876}
877
878VLIB_INIT_FUNCTION (tls_init);
879
Florin Coras8f89dd02018-03-05 16:53:07 -0800880static clib_error_t *
881tls_config_fn (vlib_main_t * vm, unformat_input_t * input)
882{
883 tls_main_t *tm = &tls_main;
884 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
885 {
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))
889 ;
Florin Corasddd98f32019-03-25 08:30:53 -0700890 else if (unformat (input, "first-segment-size %U", unformat_memory_size,
891 &tm->first_seg_size))
892 ;
893 else if (unformat (input, "fifo-size %U", unformat_memory_size,
894 &tm->fifo_size))
895 ;
Florin Coras8f89dd02018-03-05 16:53:07 -0800896 else
897 return clib_error_return (0, "unknown input `%U'",
898 format_unformat_error, input);
899 }
900 return 0;
901}
902
903VLIB_EARLY_CONFIG_FUNCTION (tls_config_fn, "tls");
Florin Corasd77eee62018-03-07 08:49:27 -0800904
905tls_main_t *
906vnet_tls_get_main (void)
907{
908 return &tls_main;
909}
910
Florin Coras371ca502018-02-21 12:07:41 -0800911/*
912 * fd.io coding-style-patch-verification: ON
913 *
914 * Local Variables:
915 * eval: (c-set-style "gnu")
916 * End:
917 */