FD.io VPP  v18.10-34-gcce845e
Vector Packet Processing
tls_mbedtls.c
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1 /*
2  * Copyright (c) 2018 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:
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 <mbedtls/ssl.h>
17 #include <mbedtls/certs.h>
18 #include <mbedtls/entropy.h>
19 #include <mbedtls/ctr_drbg.h>
20 #include <mbedtls/timing.h>
21 #include <mbedtls/debug.h>
22 #include <vnet/plugin/plugin.h>
23 #include <vpp/app/version.h>
24 #include <vnet/tls/tls.h>
25 
26 #define TLS_USE_OUR_MEM_FUNCS 0
27 
28 typedef struct tls_ctx_mbedtls_
29 {
30  tls_ctx_t ctx; /**< First */
32  mbedtls_ssl_context ssl;
33  mbedtls_ssl_config conf;
34  mbedtls_x509_crt srvcert;
35  mbedtls_pk_context pkey;
37 
38 typedef struct mbedtls_main_
39 {
41  mbedtls_ctr_drbg_context *ctr_drbgs;
42  mbedtls_entropy_context *entropy_pools;
43  mbedtls_x509_crt cacert;
47 
49 
50 #if TLS_USE_OUR_MEM_FUNCS
51 #include <mbedtls/platform.h>
52 
53 void *
54 mbedtls_calloc_fn (size_t n, size_t size)
55 {
56  void *ptr;
57  ptr = clib_mem_alloc (n * size);
58  memset (ptr, 0, sizeof (*ptr));
59  return ptr;
60 }
61 
62 void
63 mbedtls_free_fn (void *ptr)
64 {
65  if (ptr)
66  clib_mem_free (ptr);
67 }
68 #endif
69 
70 static u32
72 {
73  u8 thread_index = vlib_get_thread_index ();
76 
77  pool_get (tm->ctx_pool[thread_index], ctx);
78  if (!(*ctx))
79  *ctx = clib_mem_alloc (sizeof (mbedtls_ctx_t));
80 
81  memset (*ctx, 0, sizeof (mbedtls_ctx_t));
82  (*ctx)->ctx.c_thread_index = thread_index;
83  (*ctx)->ctx.tls_ctx_engine = TLS_ENGINE_MBEDTLS;
84  (*ctx)->mbedtls_ctx_index = ctx - tm->ctx_pool[thread_index];
85  return ((*ctx)->mbedtls_ctx_index);
86 }
87 
88 static void
90 {
91  mbedtls_ctx_t *mc = (mbedtls_ctx_t *) ctx;
92 
93  if (mc->ssl.state == MBEDTLS_SSL_HANDSHAKE_OVER && !ctx->is_passive_close)
94  mbedtls_ssl_close_notify (&mc->ssl);
95  if (mc->ssl.conf->endpoint == MBEDTLS_SSL_IS_SERVER)
96  {
97  mbedtls_x509_crt_free (&mc->srvcert);
98  mbedtls_pk_free (&mc->pkey);
99  }
100  mbedtls_ssl_free (&mc->ssl);
101  mbedtls_ssl_config_free (&mc->conf);
102 
103  pool_put_index (mbedtls_main.ctx_pool[ctx->c_thread_index],
104  mc->mbedtls_ctx_index);
105 }
106 
107 static tls_ctx_t *
108 mbedtls_ctx_get (u32 ctx_index)
109 {
110  mbedtls_ctx_t **ctx;
111  ctx = pool_elt_at_index (mbedtls_main.ctx_pool[vlib_get_thread_index ()],
112  ctx_index);
113  return &(*ctx)->ctx;
114 }
115 
116 static tls_ctx_t *
117 mbedtls_ctx_get_w_thread (u32 ctx_index, u8 thread_index)
118 {
119  mbedtls_ctx_t **ctx;
120  ctx = pool_elt_at_index (mbedtls_main.ctx_pool[thread_index], ctx_index);
121  return &(*ctx)->ctx;
122 }
123 
124 static int
126 {
127  u32 thread_index = vlib_get_thread_index ();
129  u8 *pers;
130  int rv;
131  pers = format (0, "vpp thread %u", thread_index);
132 
133  mbedtls_entropy_init (&tm->entropy_pools[thread_index]);
134  mbedtls_ctr_drbg_init (&mbedtls_main.ctr_drbgs[thread_index]);
135  if ((rv = mbedtls_ctr_drbg_seed (&tm->ctr_drbgs[thread_index],
136  mbedtls_entropy_func,
137  &tm->entropy_pools[thread_index],
138  (const unsigned char *) pers,
139  vec_len (pers))) != 0)
140  {
141  vec_free (pers);
142  TLS_DBG (1, " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", rv);
143  return -1;
144  }
145  vec_free (pers);
146  return 0;
147 }
148 
149 mbedtls_ctr_drbg_context *
151 {
152  u8 thread_index = vlib_get_thread_index ();
153  if (PREDICT_FALSE (!mbedtls_main.ctr_drbgs[thread_index].f_entropy))
155  return &mbedtls_main.ctr_drbgs[thread_index];
156 }
157 
158 static int
159 tls_net_send (void *ctx_indexp, const unsigned char *buf, size_t len)
160 {
161  stream_session_t *tls_session;
162  uword ctx_index;
163  tls_ctx_t *ctx;
164  int rv;
165 
166  ctx_index = pointer_to_uword (ctx_indexp);
167  ctx = mbedtls_ctx_get (ctx_index);
168  tls_session = session_get_from_handle (ctx->tls_session_handle);
169  rv = svm_fifo_enqueue_nowait (tls_session->server_tx_fifo, len, buf);
170  if (rv < 0)
171  return MBEDTLS_ERR_SSL_WANT_WRITE;
172  tls_add_vpp_q_tx_evt (tls_session);
173  return rv;
174 }
175 
176 static int
177 tls_net_recv (void *ctx_indexp, unsigned char *buf, size_t len)
178 {
179  stream_session_t *tls_session;
180  uword ctx_index;
181  tls_ctx_t *ctx;
182  int rv;
183 
184  ctx_index = pointer_to_uword (ctx_indexp);
185  ctx = mbedtls_ctx_get (ctx_index);
186  tls_session = session_get_from_handle (ctx->tls_session_handle);
187  rv = svm_fifo_dequeue_nowait (tls_session->server_rx_fifo, len, buf);
188  return (rv < 0) ? 0 : rv;
189 }
190 
191 static void
192 mbedtls_debug (void *ctx, int level, const char *file, int line,
193  const char *str)
194 {
195  ((void) level);
196  fprintf ((FILE *) ctx, "%s:%04d: %s", file, line, str);
197  fflush ((FILE *) ctx);
198 }
199 
200 static int
202 {
203  mbedtls_ctx_t *mc = (mbedtls_ctx_t *) ctx;
205  void *ctx_ptr;
206  int rv;
207 
208  /*
209  * 1. Setup SSL
210  */
211  mbedtls_ssl_init (&mc->ssl);
212  mbedtls_ssl_config_init (&mc->conf);
213  if ((rv = mbedtls_ssl_config_defaults (&mc->conf, MBEDTLS_SSL_IS_CLIENT,
214  MBEDTLS_SSL_TRANSPORT_STREAM,
215  MBEDTLS_SSL_PRESET_DEFAULT)) != 0)
216  {
217  TLS_DBG (1, "failed\n ! mbedtls_ssl_config_defaults returned %d\n\n",
218  rv);
219  return -1;
220  }
221 
222  mbedtls_ssl_conf_authmode (&mc->conf, MBEDTLS_SSL_VERIFY_OPTIONAL);
223  mbedtls_ssl_conf_ca_chain (&mc->conf, &mm->cacert, NULL);
224  mbedtls_ssl_conf_rng (&mc->conf, mbedtls_ctr_drbg_random,
225  tls_get_ctr_drbg ());
226  mbedtls_ssl_conf_dbg (&mc->conf, mbedtls_debug, stdout);
227 
228  if ((rv = mbedtls_ssl_setup (&mc->ssl, &mc->conf)) != 0)
229  {
230  TLS_DBG (1, "failed\n ! mbedtls_ssl_setup returned %d\n", rv);
231  return -1;
232  }
233 
234  if ((rv = mbedtls_ssl_set_hostname (&mc->ssl,
235  (const char *) ctx->srv_hostname)) != 0)
236  {
237  TLS_DBG (1, "failed\n ! mbedtls_ssl_set_hostname returned %d\n", rv);
238  return -1;
239  }
240 
241  ctx_ptr = uword_to_pointer (mc->mbedtls_ctx_index, void *);
242  mbedtls_ssl_set_bio (&mc->ssl, ctx_ptr, tls_net_send, tls_net_recv, NULL);
243  mbedtls_debug_set_threshold (TLS_DEBUG_LEVEL_CLIENT);
244 
245  /*
246  * 2. Do the first 2 steps in the handshake.
247  */
248  TLS_DBG (1, "Initiating handshake for [%u]%u", ctx->c_thread_index,
249  mc->mbedtls_ctx_index);
250  while (mc->ssl.state != MBEDTLS_SSL_HANDSHAKE_OVER)
251  {
252  rv = mbedtls_ssl_handshake_step (&mc->ssl);
253  if (rv != 0)
254  break;
255  }
256  TLS_DBG (2, "tls state for [%u]%u is %u", ctx->c_thread_index,
257  mc->mbedtls_ctx_index, mc->ssl.state);
258  return 0;
259 }
260 
261 static int
263 {
264  return 0;
265 }
266 
267 static int
269 {
270  return 0;
271 }
272 
273 static int
275 {
276  mbedtls_ctx_t *mc = (mbedtls_ctx_t *) ctx;
278  application_t *app;
279  void *ctx_ptr;
280  int rv;
281 
282  mbedtls_ssl_init (&mc->ssl);
283  mbedtls_ssl_config_init (&mc->conf);
284  mbedtls_x509_crt_init (&mc->srvcert);
285  mbedtls_pk_init (&mc->pkey);
286 
287  /*
288  * 1. Cert
289  */
290  app = application_get (ctx->parent_app_index);
291  if (!app->tls_cert || !app->tls_key)
292  {
293  TLS_DBG (1, " failed\n ! tls cert and/or key not configured %d",
294  ctx->parent_app_index);
295  return -1;
296  }
297 
298  rv = mbedtls_x509_crt_parse (&mc->srvcert,
299  (const unsigned char *) app->tls_cert,
300  vec_len (app->tls_cert));
301  if (rv != 0)
302  {
303  TLS_DBG (1, " failed\n ! mbedtls_x509_crt_parse returned %d", rv);
304  goto exit;
305  }
306 
307  rv = mbedtls_pk_parse_key (&mc->pkey,
308  (const unsigned char *) app->tls_key,
309  vec_len (app->tls_key), NULL, 0);
310  if (rv != 0)
311  {
312  TLS_DBG (1, " failed\n ! mbedtls_pk_parse_key returned %d", rv);
313  goto exit;
314  }
315 
316  /*
317  * 2. SSL context config
318  */
319  if ((rv = mbedtls_ssl_config_defaults (&mc->conf, MBEDTLS_SSL_IS_SERVER,
320  MBEDTLS_SSL_TRANSPORT_STREAM,
321  MBEDTLS_SSL_PRESET_DEFAULT)) != 0)
322  {
323  TLS_DBG (1, " failed\n ! mbedtls_ssl_config_defaults returned %d", rv);
324  goto exit;
325  }
326 
327  mbedtls_ssl_conf_rng (&mc->conf, mbedtls_ctr_drbg_random,
328  tls_get_ctr_drbg ());
329  mbedtls_ssl_conf_dbg (&mc->conf, mbedtls_debug, stdout);
330 
331  /* TODO CACHE
332  mbedtls_ssl_conf_session_cache( &ctx->conf, &cache,
333  mbedtls_ssl_cache_get,
334  mbedtls_ssl_cache_set );
335  */
336 
337  mbedtls_ssl_conf_ca_chain (&mc->conf, &mm->cacert, NULL);
338  if ((rv = mbedtls_ssl_conf_own_cert (&mc->conf, &mc->srvcert, &mc->pkey))
339  != 0)
340  {
341  TLS_DBG (1, " failed\n ! mbedtls_ssl_conf_own_cert returned %d", rv);
342  goto exit;
343  }
344 
345  if ((rv = mbedtls_ssl_setup (&mc->ssl, &mc->conf)) != 0)
346  {
347  TLS_DBG (1, " failed\n ! mbedtls_ssl_setup returned %d", rv);
348  goto exit;
349  }
350 
351  mbedtls_ssl_session_reset (&mc->ssl);
352  ctx_ptr = uword_to_pointer (mc->mbedtls_ctx_index, void *);
353  mbedtls_ssl_set_bio (&mc->ssl, ctx_ptr, tls_net_send, tls_net_recv, NULL);
354  mbedtls_debug_set_threshold (TLS_DEBUG_LEVEL_SERVER);
355 
356  /*
357  * 3. Start handshake state machine
358  */
359  TLS_DBG (1, "Initiating handshake for [%u]%u", ctx->c_thread_index,
360  mc->mbedtls_ctx_index);
361  while (mc->ssl.state != MBEDTLS_SSL_HANDSHAKE_OVER)
362  {
363  rv = mbedtls_ssl_handshake_step (&mc->ssl);
364  if (rv != 0)
365  break;
366  }
367 
368  TLS_DBG (2, "tls state for [%u]%u is %u", ctx->c_thread_index,
369  mc->mbedtls_ctx_index, mc->ssl.state);
370  return 0;
371 
372 exit:
373  return -1;
374 }
375 
376 static int
378 {
379  mbedtls_ctx_t *mc = (mbedtls_ctx_t *) ctx;
380  u32 flags;
381  int rv;
382  while (mc->ssl.state != MBEDTLS_SSL_HANDSHAKE_OVER)
383  {
384  rv = mbedtls_ssl_handshake_step (&mc->ssl);
385  if (rv != 0)
386  break;
387  }
388  TLS_DBG (2, "tls state for %u is %u", mc->mbedtls_ctx_index, mc->ssl.state);
389 
390  if (mc->ssl.state != MBEDTLS_SSL_HANDSHAKE_OVER)
391  return 0;
392 
393  /*
394  * Handshake complete
395  */
396  if (mc->ssl.conf->endpoint == MBEDTLS_SSL_IS_CLIENT)
397  {
398  /*
399  * Verify server certificate
400  */
401  if ((flags = mbedtls_ssl_get_verify_result (&mc->ssl)) != 0)
402  {
403  char buf[512];
404  TLS_DBG (1, " failed\n");
405  mbedtls_x509_crt_verify_info (buf, sizeof (buf), " ! ", flags);
406  TLS_DBG (1, "%s\n", buf);
407 
408  /*
409  * Presence of hostname enforces strict certificate verification
410  */
411  if (ctx->srv_hostname)
412  {
413  tls_notify_app_connected (ctx, /* is failed */ 0);
414  return -1;
415  }
416  }
417  tls_notify_app_connected (ctx, /* is failed */ 0);
418  }
419  else
420  {
421  tls_notify_app_accept (ctx);
422  }
423 
424  TLS_DBG (1, "Handshake for %u complete. TLS cipher is %x",
425  mc->mbedtls_ctx_index, mc->ssl.session->ciphersuite);
426  return 0;
427 }
428 
429 static int
431 {
432  mbedtls_ctx_t *mc = (mbedtls_ctx_t *) ctx;
433  u8 thread_index = ctx->c_thread_index;
435  u32 enq_max, deq_max, deq_now;
436  stream_session_t *tls_session;
437  int wrote;
438 
439  ASSERT (mc->ssl.state == MBEDTLS_SSL_HANDSHAKE_OVER);
440 
441  deq_max = svm_fifo_max_dequeue (app_session->server_tx_fifo);
442  if (!deq_max)
443  return 0;
444 
445  tls_session = session_get_from_handle (ctx->tls_session_handle);
446  enq_max = svm_fifo_max_enqueue (tls_session->server_tx_fifo);
447  deq_now = clib_min (deq_max, TLS_CHUNK_SIZE);
448 
449  if (PREDICT_FALSE (enq_max == 0))
450  {
451  tls_add_vpp_q_builtin_tx_evt (app_session);
452  return 0;
453  }
454 
455  vec_validate (mm->tx_bufs[thread_index], deq_now);
456  svm_fifo_peek (app_session->server_tx_fifo, 0, deq_now,
457  mm->tx_bufs[thread_index]);
458 
459  wrote = mbedtls_ssl_write (&mc->ssl, mm->tx_bufs[thread_index], deq_now);
460  if (wrote <= 0)
461  {
462  tls_add_vpp_q_builtin_tx_evt (app_session);
463  return 0;
464  }
465 
466  svm_fifo_dequeue_drop (app_session->server_tx_fifo, wrote);
467  vec_reset_length (mm->tx_bufs[thread_index]);
468  tls_add_vpp_q_tx_evt (tls_session);
469 
470  if (deq_now < deq_max)
471  tls_add_vpp_q_builtin_tx_evt (app_session);
472 
473  return 0;
474 }
475 
476 static int
478 {
479  mbedtls_ctx_t *mc = (mbedtls_ctx_t *) ctx;
481  u8 thread_index = ctx->c_thread_index;
482  u32 deq_max, enq_max, enq_now;
483  stream_session_t *app_session;
484  int read, enq;
485 
486  if (PREDICT_FALSE (mc->ssl.state != MBEDTLS_SSL_HANDSHAKE_OVER))
487  {
489  return 0;
490  }
491 
492  deq_max = svm_fifo_max_dequeue (tls_session->server_rx_fifo);
493  if (!deq_max)
494  return 0;
495 
496  app_session = session_get_from_handle (ctx->app_session_handle);
497  enq_max = svm_fifo_max_enqueue (app_session->server_rx_fifo);
498  enq_now = clib_min (enq_max, TLS_CHUNK_SIZE);
499 
500  if (PREDICT_FALSE (enq_now == 0))
501  {
502  tls_add_vpp_q_builtin_rx_evt (tls_session);
503  return 0;
504  }
505 
506  vec_validate (mm->rx_bufs[thread_index], enq_now);
507  read = mbedtls_ssl_read (&mc->ssl, mm->rx_bufs[thread_index], enq_now);
508  if (read <= 0)
509  {
510  tls_add_vpp_q_builtin_rx_evt (tls_session);
511  return 0;
512  }
513 
514  enq = svm_fifo_enqueue_nowait (app_session->server_rx_fifo, read,
515  mm->rx_bufs[thread_index]);
516  ASSERT (enq == read);
517  vec_reset_length (mm->rx_bufs[thread_index]);
518 
519  if (svm_fifo_max_dequeue (tls_session->server_rx_fifo))
520  tls_add_vpp_q_builtin_rx_evt (tls_session);
521 
522  if (enq > 0)
523  tls_notify_app_enqueue (ctx, app_session);
524 
525  return enq;
526 }
527 
528 static u8
530 {
531  mbedtls_ctx_t *mc = (mbedtls_ctx_t *) ctx;
532  return (mc->ssl.state == MBEDTLS_SSL_HANDSHAKE_OVER);
533 }
534 
535 const static tls_engine_vft_t mbedtls_engine = {
537  .ctx_free = mbedtls_ctx_free,
538  .ctx_get = mbedtls_ctx_get,
539  .ctx_get_w_thread = mbedtls_ctx_get_w_thread,
540  .ctx_init_server = mbedtls_ctx_init_server,
541  .ctx_init_client = mbedtls_ctx_init_client,
542  .ctx_write = mbedtls_ctx_write,
543  .ctx_read = mbedtls_ctx_read,
544  .ctx_handshake_is_over = mbedtls_handshake_is_over,
545  .ctx_start_listen = mbedtls_start_listen,
546  .ctx_stop_listen = mbedtls_stop_listen,
547 };
548 
549 int
551 {
552 #if TLS_USE_OUR_MEM_FUNCS
553  mbedtls_platform_set_calloc_free (mbedtls_calloc_fn, mbedtls_free_fn);
554 #endif
555  return 0;
556 }
557 
558 static int
560 {
562  int i;
563 
564  vec_validate (mm->ctr_drbgs, num_threads - 1);
565  vec_validate (mm->entropy_pools, num_threads - 1);
566  for (i = 0; i < num_threads; i++)
567  mm->ctr_drbgs[i].f_entropy = 0;
568 
569  return 0;
570 }
571 
572 int
574 {
576  tls_main_t *tm = vnet_tls_get_main ();
577  int rv;
578 
579  if (access (tm->ca_cert_path, F_OK | R_OK) == -1)
580  {
581  clib_warning ("Could not initialize TLS CA certificates");
582  return -1;
583  }
584 
585  mbedtls_x509_crt_init (&mm->cacert);
586  rv = mbedtls_x509_crt_parse_file (&mm->cacert, tm->ca_cert_path);
587  if (rv < 0)
588  {
589  clib_warning ("Couldn't parse system CA certificates: -0x%x", -rv);
590  }
591  if (tm->use_test_cert_in_ca)
592  {
593  rv = mbedtls_x509_crt_parse (&mm->cacert,
594  (const unsigned char *) test_srv_crt_rsa,
596  if (rv < 0)
597  {
598  clib_warning ("Couldn't parse test certificate: -0x%x", -rv);
599  return -1;
600  }
601  }
602  return (rv < 0 ? -1 : 0);
603 }
604 
605 static clib_error_t *
607 {
610  clib_error_t *error;
611  u32 num_threads;
612 
613  num_threads = 1 /* main thread */ + vtm->n_threads;
614 
615  if ((error = vlib_call_init_function (vm, tls_init)))
616  return error;
617 
618  if (tls_init_ca_chain ())
619  {
620  clib_warning ("failed to initialize TLS CA chain");
621  return 0;
622  }
623  if (tls_init_mem ())
624  {
625  clib_warning ("failed to initialize mem");
626  return 0;
627  }
628  if (tls_init_ctr_drbgs_and_entropy (num_threads))
629  {
630  clib_warning ("failed to initialize entropy and random generators");
631  return 0;
632  }
633 
634  vec_validate (mm->ctx_pool, num_threads - 1);
635  vec_validate (mm->rx_bufs, num_threads - 1);
636  vec_validate (mm->tx_bufs, num_threads - 1);
637 
638  tls_register_engine (&mbedtls_engine, TLS_ENGINE_MBEDTLS);
639  return 0;
640 }
641 
643 
644 /* *INDENT-OFF* */
646  .version = VPP_BUILD_VER,
647  .description = "mbedtls based TLS Engine",
648 };
649 /* *INDENT-ON* */
650 
651 /*
652  * fd.io coding-style-patch-verification: ON
653  *
654  * Local Variables:
655  * eval: (c-set-style "gnu")
656  * End:
657  */
mbedtls_ctr_drbg_context * tls_get_ctr_drbg()
Definition: tls_mbedtls.c:150
tls_main_t * vnet_tls_get_main(void)
Definition: tls.c:824
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:437
mbedtls_x509_crt srvcert
Definition: tls_mbedtls.c:34
mbedtls_ctx_t *** ctx_pool
Definition: tls_mbedtls.c:40
#define clib_min(x, y)
Definition: clib.h:291
static int mbedtls_ctx_write(tls_ctx_t *ctx, stream_session_t *app_session)
Definition: tls_mbedtls.c:430
const u32 test_srv_crt_rsa_len
#define TLS_DEBUG_LEVEL_CLIENT
Definition: tls.h:24
char * ca_cert_path
Definition: tls.h:90
mbedtls_ssl_context ssl
Definition: tls_mbedtls.c:32
static int tls_init_ctr_drbgs_and_entropy(u32 num_threads)
Definition: tls_mbedtls.c:559
#define NULL
Definition: clib.h:57
static mbedtls_main_t mbedtls_main
Definition: tls_mbedtls.c:48
int i
void tls_notify_app_enqueue(tls_ctx_t *ctx, stream_session_t *app_session)
Definition: tls.c:181
u8 use_test_cert_in_ca
Definition: tls.h:89
static u32 svm_fifo_max_enqueue(svm_fifo_t *f)
Definition: svm_fifo.h:132
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:419
static void mbedtls_ctx_free(tls_ctx_t *ctx)
Definition: tls_mbedtls.c:89
static stream_session_t * session_get_from_handle(session_handle_t handle)
Definition: session.h:360
#define pool_get(P, E)
Allocate an object E from a pool P (unspecified alignment).
Definition: pool.h:228
static int tls_init_ctr_seed_drbgs(void)
Definition: tls_mbedtls.c:125
unsigned char u8
Definition: types.h:56
#define vec_reset_length(v)
Reset vector length to zero NULL-pointer tolerant.
tls_ctx_t ctx
First.
Definition: tls_mbedtls.c:30
static u32 mbedtls_ctx_alloc(void)
Definition: tls_mbedtls.c:71
memset(h->entries, 0, sizeof(h->entries[0])*entries)
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:163
int tls_add_vpp_q_builtin_tx_evt(stream_session_t *s)
Definition: tls.c:78
static u32 svm_fifo_max_dequeue(svm_fifo_t *f)
Definition: svm_fifo.h:114
static tls_ctx_t * mbedtls_ctx_get_w_thread(u32 ctx_index, u8 thread_index)
Definition: tls_mbedtls.c:117
u8 is_passive_close
Definition: tls.h:72
int svm_fifo_enqueue_nowait(svm_fifo_t *f, u32 max_bytes, const u8 *copy_from_here)
Definition: svm_fifo.c:523
unsigned int u32
Definition: types.h:88
struct _stream_session_t stream_session_t
#define vlib_call_init_function(vm, x)
Definition: init.h:260
struct tls_ctx_mbedtls_ mbedtls_ctx_t
#define TLS_CHUNK_SIZE
Definition: tls.h:27
static int mbedtls_ctx_handshake_rx(tls_ctx_t *ctx)
Definition: tls_mbedtls.c:377
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:464
uword size
mbedtls_pk_context pkey
Definition: tls_mbedtls.c:35
int tls_add_vpp_q_tx_evt(stream_session_t *s)
Definition: tls.c:70
Definition: tls.h:77
int tls_init_ca_chain(void)
Definition: tls_mbedtls.c:573
int tls_notify_app_connected(tls_ctx_t *ctx, u8 is_failed)
Definition: tls.c:232
static u8 mbedtls_handshake_is_over(tls_ctx_t *ctx)
Definition: tls_mbedtls.c:529
#define PREDICT_FALSE(x)
Definition: clib.h:107
int tls_init_mem(void)
Definition: tls_mbedtls.c:550
const char test_srv_crt_rsa[]
static int mbedtls_ctx_read(tls_ctx_t *ctx, stream_session_t *tls_session)
Definition: tls_mbedtls.c:477
Definition: tls.h:53
static int mbedtls_start_listen(tls_ctx_t *lctx)
Definition: tls_mbedtls.c:262
u32(* ctx_alloc)(void)
Definition: tls.h:95
u32 flags
Definition: vhost_user.h:115
static_always_inline uword vlib_get_thread_index(void)
Definition: threads.h:211
vlib_main_t * vm
Definition: buffer.c:294
static int mbedtls_ctx_init_client(tls_ctx_t *ctx)
Definition: tls_mbedtls.c:201
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:339
mbedtls_x509_crt cacert
Definition: tls_mbedtls.c:43
#define clib_warning(format, args...)
Definition: error.h:59
static int tls_net_send(void *ctx_indexp, const unsigned char *buf, size_t len)
Definition: tls_mbedtls.c:159
void tls_register_engine(const tls_engine_vft_t *vft, tls_engine_type_t type)
Definition: tls.c:746
application_t * application_get(u32 app_index)
Definition: application.c:243
mbedtls_entropy_context * entropy_pools
Definition: tls_mbedtls.c:42
#define uword_to_pointer(u, type)
Definition: types.h:136
#define TLS_DEBUG_LEVEL_SERVER
Definition: tls.h:25
#define pool_put_index(p, i)
Free pool element with given index.
Definition: pool.h:299
#define ASSERT(truth)
struct mbedtls_main_ mbedtls_main_t
VLIB_PLUGIN_REGISTER()
static void clib_mem_free(void *p)
Definition: mem.h:205
u8 * tls_key
PEM encoded key.
Definition: application.h:164
static void * clib_mem_alloc(uword size)
Definition: mem.h:132
static uword pointer_to_uword(const void *p)
Definition: types.h:131
static int tls_net_recv(void *ctx_indexp, unsigned char *buf, size_t len)
Definition: tls_mbedtls.c:177
int svm_fifo_dequeue_drop(svm_fifo_t *f, u32 max_bytes)
Definition: svm_fifo.c:726
static void mbedtls_debug(void *ctx, int level, const char *file, int line, const char *str)
Definition: tls_mbedtls.c:192
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
int tls_add_vpp_q_builtin_rx_evt(stream_session_t *s)
Definition: tls.c:62
u64 uword
Definition: types.h:112
static clib_error_t * tls_mbedtls_init(vlib_main_t *vm)
Definition: tls_mbedtls.c:606
u8 * srv_hostname
Definition: tls.h:74
mbedtls_ssl_config conf
Definition: tls_mbedtls.c:33
int tls_notify_app_accept(tls_ctx_t *ctx)
Definition: tls.c:190
static int mbedtls_ctx_init_server(tls_ctx_t *ctx)
Definition: tls_mbedtls.c:274
static vlib_thread_main_t * vlib_get_thread_main()
Definition: global_funcs.h:32
u8 * tls_cert
Certificate to be used for listen sessions.
Definition: application.h:161
static int mbedtls_stop_listen(tls_ctx_t *lctx)
Definition: tls_mbedtls.c:268
mbedtls_ctr_drbg_context * ctr_drbgs
Definition: tls_mbedtls.c:41
static tls_ctx_t * mbedtls_ctx_get(u32 ctx_index)
Definition: tls_mbedtls.c:108
int svm_fifo_peek(svm_fifo_t *f, u32 relative_offset, u32 max_bytes, u8 *copy_here)
Definition: svm_fifo.c:718
static clib_error_t * tls_init(vlib_main_t *vm)
Definition: tls.c:753
int svm_fifo_dequeue_nowait(svm_fifo_t *f, u32 max_bytes, u8 *copy_here)
Definition: svm_fifo.c:670
#define TLS_DBG(_lvl, _fmt, _args...)
Definition: tls.h:35