FD.io VPP  v18.04-17-g3a0d853
Vector Packet Processing
tls_openssl.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 <openssl/ssl.h>
17 #include <openssl/conf.h>
18 #include <openssl/err.h>
19 #include <vnet/plugin/plugin.h>
20 #include <vpp/app/version.h>
21 #include <vnet/tls/tls.h>
22 
23 typedef struct tls_ctx_openssl_
24 {
25  tls_ctx_t ctx; /**< First */
27  SSL_CTX *ssl_ctx;
28  SSL *ssl;
29  BIO *rbio;
30  BIO *wbio;
31  X509 *srvcert;
32  EVP_PKEY *pkey;
34 
35 typedef struct openssl_main_
36 {
38  X509_STORE *cert_store;
40 
42 
43 static u32
45 {
46  u8 thread_index = vlib_get_thread_index ();
49 
50  pool_get (tm->ctx_pool[thread_index], ctx);
51  if (!(*ctx))
52  *ctx = clib_mem_alloc (sizeof (openssl_ctx_t));
53 
54  memset (*ctx, 0, sizeof (openssl_ctx_t));
55  (*ctx)->ctx.c_thread_index = thread_index;
56  (*ctx)->ctx.tls_ctx_engine = TLS_ENGINE_OPENSSL;
57  (*ctx)->ctx.app_session_handle = SESSION_INVALID_HANDLE;
58  (*ctx)->openssl_ctx_index = ctx - tm->ctx_pool[thread_index];
59  return ((*ctx)->openssl_ctx_index);
60 }
61 
62 static void
64 {
65  openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
66 
67  if (SSL_is_init_finished (oc->ssl) && !ctx->is_passive_close)
68  SSL_shutdown (oc->ssl);
69 
70  if (SSL_is_server (oc->ssl))
71  {
72  X509_free (oc->srvcert);
73  EVP_PKEY_free (oc->pkey);
74  }
75  SSL_free (oc->ssl);
76 
77  pool_put_index (openssl_main.ctx_pool[ctx->c_thread_index],
78  oc->openssl_ctx_index);
79 }
80 
81 static tls_ctx_t *
82 openssl_ctx_get (u32 ctx_index)
83 {
85  ctx = pool_elt_at_index (openssl_main.ctx_pool[vlib_get_thread_index ()],
86  ctx_index);
87  return &(*ctx)->ctx;
88 }
89 
90 static tls_ctx_t *
91 openssl_ctx_get_w_thread (u32 ctx_index, u8 thread_index)
92 {
94  ctx = pool_elt_at_index (openssl_main.ctx_pool[thread_index], ctx_index);
95  return &(*ctx)->ctx;
96 }
97 
98 static int
100  stream_session_t * tls_session)
101 {
102  u32 deq_max, deq_now;
103  svm_fifo_t *f;
104  int wrote, rv;
105 
106  f = tls_session->server_rx_fifo;
107  deq_max = svm_fifo_max_dequeue (f);
108  if (!deq_max)
109  return 0;
110 
111  deq_now = clib_min (svm_fifo_max_read_chunk (f), deq_max);
112  wrote = BIO_write (oc->wbio, svm_fifo_head (f), deq_now);
113  if (wrote <= 0)
114  return 0;
115 
116  svm_fifo_dequeue_drop (f, wrote);
117  if (wrote < deq_max)
118  {
119  deq_now = clib_min (svm_fifo_max_read_chunk (f), deq_max - wrote);
120  rv = BIO_write (oc->wbio, svm_fifo_head (f), deq_now);
121  if (rv > 0)
122  {
123  svm_fifo_dequeue_drop (f, rv);
124  wrote += rv;
125  }
126  }
127  return wrote;
128 }
129 
130 static int
132  stream_session_t * tls_session)
133 {
134  u32 enq_max, deq_now;
135  svm_fifo_t *f;
136  int read, rv;
137 
138  if (BIO_ctrl_pending (oc->rbio) <= 0)
139  return 0;
140 
141  f = tls_session->server_tx_fifo;
142  enq_max = svm_fifo_max_enqueue (f);
143  if (!enq_max)
144  return 0;
145 
146  deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max);
147  read = BIO_read (oc->rbio, svm_fifo_tail (f), deq_now);
148  if (read <= 0)
149  return 0;
150 
151  svm_fifo_enqueue_nocopy (f, read);
153 
154  if (read < enq_max)
155  {
156  deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max - read);
157  rv = BIO_read (oc->rbio, svm_fifo_tail (f), deq_now);
158  if (rv > 0)
159  {
160  svm_fifo_enqueue_nocopy (f, rv);
161  read += rv;
162  }
163  }
164 
165  return read;
166 }
167 
168 static int
170 {
171  openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
172  int rv = 0, err;
173  while (SSL_in_init (oc->ssl))
174  {
175  if (!openssl_try_handshake_read (oc, tls_session))
176  break;
177 
178  rv = SSL_do_handshake (oc->ssl);
179  err = SSL_get_error (oc->ssl, rv);
180  openssl_try_handshake_write (oc, tls_session);
181  if (err != SSL_ERROR_WANT_WRITE)
182  {
183  if (err == SSL_ERROR_SSL)
184  {
185  char buf[512];
186  ERR_error_string (ERR_get_error (), buf);
187  clib_warning ("Err: %s", buf);
188  }
189  break;
190  }
191  }
192  TLS_DBG (2, "tls state for %u is %s", oc->openssl_ctx_index,
193  SSL_state_string_long (oc->ssl));
194 
195  if (SSL_in_init (oc->ssl))
196  return 0;
197 
198  /*
199  * Handshake complete
200  */
201  if (!SSL_is_server (oc->ssl))
202  {
203  /*
204  * Verify server certificate
205  */
206  if ((rv = SSL_get_verify_result (oc->ssl)) != X509_V_OK)
207  {
208  TLS_DBG (1, " failed verify: %s\n",
209  X509_verify_cert_error_string (rv));
210 
211  /*
212  * Presence of hostname enforces strict certificate verification
213  */
214  if (ctx->srv_hostname)
215  {
216  tls_notify_app_connected (ctx, /* is failed */ 0);
217  return -1;
218  }
219  }
220  tls_notify_app_connected (ctx, /* is failed */ 0);
221  }
222  else
223  {
224  tls_notify_app_accept (ctx);
225  }
226 
227  TLS_DBG (1, "Handshake for %u complete. TLS cipher is %s",
228  oc->openssl_ctx_index, SSL_get_cipher (oc->ssl));
229  return rv;
230 }
231 
232 static inline int
234 {
235  openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
236  int wrote = 0, rv, read, max_buf = 100 * TLS_CHUNK_SIZE, max_space;
237  u32 enq_max, deq_max, deq_now, to_write;
238  stream_session_t *tls_session;
239  svm_fifo_t *f;
240 
241  f = app_session->server_tx_fifo;
242  deq_max = svm_fifo_max_dequeue (f);
243  if (!deq_max)
244  goto check_tls_fifo;
245 
246  max_space = max_buf - BIO_ctrl_pending (oc->rbio);
247  max_space = (max_space < 0) ? 0 : max_space;
248  deq_now = clib_min (deq_max, (u32) max_space);
249  to_write = clib_min (svm_fifo_max_read_chunk (f), deq_now);
250  wrote = SSL_write (oc->ssl, svm_fifo_head (f), to_write);
251  if (wrote <= 0)
252  {
253  tls_add_vpp_q_evt (app_session->server_tx_fifo, FIFO_EVENT_APP_TX);
254  goto check_tls_fifo;
255  }
256  svm_fifo_dequeue_drop (app_session->server_tx_fifo, wrote);
257  if (wrote < deq_now)
258  {
259  to_write = clib_min (svm_fifo_max_read_chunk (f), deq_now - wrote);
260  rv = SSL_write (oc->ssl, svm_fifo_head (f), to_write);
261  if (rv > 0)
262  {
263  svm_fifo_dequeue_drop (app_session->server_tx_fifo, rv);
264  wrote += rv;
265  }
266  }
267 
268  if (deq_now < deq_max)
269  tls_add_vpp_q_evt (app_session->server_tx_fifo, FIFO_EVENT_APP_TX);
270 
271 check_tls_fifo:
272 
273  if (BIO_ctrl_pending (oc->rbio) <= 0)
274  return wrote;
275 
276  tls_session = session_get_from_handle (ctx->tls_session_handle);
277  f = tls_session->server_tx_fifo;
278  enq_max = svm_fifo_max_enqueue (f);
279  if (!enq_max)
280  {
281  tls_add_vpp_q_evt (app_session->server_tx_fifo, FIFO_EVENT_APP_TX);
282  return wrote;
283  }
284 
285  deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max);
286  read = BIO_read (oc->rbio, svm_fifo_tail (f), deq_now);
287  if (read <= 0)
288  {
289  tls_add_vpp_q_evt (app_session->server_tx_fifo, FIFO_EVENT_APP_TX);
290  return wrote;
291  }
292 
293  svm_fifo_enqueue_nocopy (f, read);
295 
296  if (read < enq_max && BIO_ctrl_pending (oc->rbio) > 0)
297  {
298  deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max - read);
299  read = BIO_read (oc->rbio, svm_fifo_tail (f), deq_now);
300  if (read > 0)
301  svm_fifo_enqueue_nocopy (f, read);
302  }
303 
304  if (BIO_ctrl_pending (oc->rbio) > 0)
305  tls_add_vpp_q_evt (app_session->server_tx_fifo, FIFO_EVENT_APP_TX);
306 
307  return wrote;
308 }
309 
310 static inline int
312 {
313  int read, wrote = 0, max_space, max_buf = 100 * TLS_CHUNK_SIZE, rv;
314  openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
315  u32 deq_max, enq_max, deq_now, to_read;
316  stream_session_t *app_session;
317  svm_fifo_t *f;
318 
319  if (PREDICT_FALSE (SSL_in_init (oc->ssl)))
320  {
321  openssl_ctx_handshake_rx (ctx, tls_session);
322  return 0;
323  }
324 
325  f = tls_session->server_rx_fifo;
326  deq_max = svm_fifo_max_dequeue (f);
327  max_space = max_buf - BIO_ctrl_pending (oc->wbio);
328  max_space = max_space < 0 ? 0 : max_space;
329  deq_now = clib_min (deq_max, max_space);
330  if (!deq_now)
331  goto check_app_fifo;
332 
333  to_read = clib_min (svm_fifo_max_read_chunk (f), deq_now);
334  wrote = BIO_write (oc->wbio, svm_fifo_head (f), to_read);
335  if (wrote <= 0)
336  {
337  tls_add_vpp_q_evt (tls_session->server_rx_fifo, FIFO_EVENT_BUILTIN_RX);
338  goto check_app_fifo;
339  }
340  svm_fifo_dequeue_drop (f, wrote);
341  if (wrote < deq_now)
342  {
343  to_read = clib_min (svm_fifo_max_read_chunk (f), deq_now - wrote);
344  rv = BIO_write (oc->wbio, svm_fifo_head (f), to_read);
345  if (rv > 0)
346  {
347  svm_fifo_dequeue_drop (f, rv);
348  wrote += rv;
349  }
350  }
351  if (svm_fifo_max_dequeue (f))
352  tls_add_vpp_q_evt (tls_session->server_rx_fifo, FIFO_EVENT_BUILTIN_RX);
353 
354 check_app_fifo:
355 
356  if (BIO_ctrl_pending (oc->wbio) <= 0)
357  return wrote;
358 
359  app_session = session_get_from_handle (ctx->app_session_handle);
360  f = app_session->server_rx_fifo;
361  enq_max = svm_fifo_max_enqueue (f);
362  if (!enq_max)
363  {
364  tls_add_vpp_q_evt (tls_session->server_rx_fifo, FIFO_EVENT_BUILTIN_RX);
365  return wrote;
366  }
367 
368  deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max);
369  read = SSL_read (oc->ssl, svm_fifo_tail (f), deq_now);
370  if (read <= 0)
371  {
372  tls_add_vpp_q_evt (tls_session->server_rx_fifo, FIFO_EVENT_BUILTIN_RX);
373  return wrote;
374  }
375  svm_fifo_enqueue_nocopy (f, read);
376  if (read < enq_max && BIO_ctrl_pending (oc->wbio) > 0)
377  {
378  deq_now = clib_min (svm_fifo_max_write_chunk (f), enq_max - read);
379  read = SSL_read (oc->ssl, svm_fifo_tail (f), deq_now);
380  if (read > 0)
381  svm_fifo_enqueue_nocopy (f, read);
382  }
383 
384  tls_notify_app_enqueue (ctx, app_session);
385  if (BIO_ctrl_pending (oc->wbio) > 0)
386  tls_add_vpp_q_evt (tls_session->server_rx_fifo, FIFO_EVENT_BUILTIN_RX);
387 
388  return wrote;
389 }
390 
391 static int
393 {
394  char *ciphers = "ALL:!ADH:!LOW:!EXP:!MD5:!RC4-SHA:!DES-CBC3-SHA:@STRENGTH";
395  long flags = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_COMPRESSION;
396  openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
398  stream_session_t *tls_session;
399  const SSL_METHOD *method;
400  int rv, err;
401 
402  method = SSLv23_client_method ();
403  if (method == NULL)
404  {
405  TLS_DBG (1, "SSLv23_method returned null");
406  return -1;
407  }
408 
409  oc->ssl_ctx = SSL_CTX_new (method);
410  if (oc->ssl_ctx == NULL)
411  {
412  TLS_DBG (1, "SSL_CTX_new returned null");
413  return -1;
414  }
415 
416  SSL_CTX_set_ecdh_auto (oc->ssl_ctx, 1);
417  SSL_CTX_set_mode (oc->ssl_ctx, SSL_MODE_ENABLE_PARTIAL_WRITE);
418  rv = SSL_CTX_set_cipher_list (oc->ssl_ctx, (const char *) ciphers);
419  if (rv != 1)
420  {
421  TLS_DBG (1, "Couldn't set cipher");
422  return -1;
423  }
424 
425  SSL_CTX_set_options (oc->ssl_ctx, flags);
426  SSL_CTX_set_cert_store (oc->ssl_ctx, om->cert_store);
427 
428  oc->ssl = SSL_new (oc->ssl_ctx);
429  if (oc->ssl == NULL)
430  {
431  TLS_DBG (1, "Couldn't initialize ssl struct");
432  return -1;
433  }
434 
435  oc->rbio = BIO_new (BIO_s_mem ());
436  oc->wbio = BIO_new (BIO_s_mem ());
437 
438  BIO_set_mem_eof_return (oc->rbio, -1);
439  BIO_set_mem_eof_return (oc->wbio, -1);
440 
441  SSL_set_bio (oc->ssl, oc->wbio, oc->rbio);
442  SSL_set_connect_state (oc->ssl);
443 
444  rv = SSL_set_tlsext_host_name (oc->ssl, ctx->srv_hostname);
445  if (rv != 1)
446  {
447  TLS_DBG (1, "Couldn't set hostname");
448  return -1;
449  }
450 
451  /*
452  * 2. Do the first steps in the handshake.
453  */
454  TLS_DBG (1, "Initiating handshake for [%u]%u", ctx->c_thread_index,
455  oc->openssl_ctx_index);
456 
457  tls_session = session_get_from_handle (ctx->tls_session_handle);
458  while (1)
459  {
460  rv = SSL_do_handshake (oc->ssl);
461  err = SSL_get_error (oc->ssl, rv);
462  openssl_try_handshake_write (oc, tls_session);
463  if (err != SSL_ERROR_WANT_WRITE)
464  break;
465  }
466 
467  TLS_DBG (2, "tls state for [%u]%u is su", ctx->c_thread_index,
468  oc->openssl_ctx_index, SSL_state_string_long (oc->ssl));
469  return 0;
470 }
471 
472 static int
474 {
475  char *ciphers = "ALL:!ADH:!LOW:!EXP:!MD5:!RC4-SHA:!DES-CBC3-SHA:@STRENGTH";
476  long flags = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_COMPRESSION;
477  openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
478  stream_session_t *tls_session;
479  const SSL_METHOD *method;
480  application_t *app;
481  int rv, err;
482  BIO *cert_bio;
483 
484  app = application_get (ctx->parent_app_index);
485  if (!app->tls_cert || !app->tls_key)
486  {
487  TLS_DBG (1, "tls cert and/or key not configured %d",
488  ctx->parent_app_index);
489  return -1;
490  }
491 
492  method = SSLv23_method ();
493  oc->ssl_ctx = SSL_CTX_new (method);
494  if (!oc->ssl_ctx)
495  {
496  clib_warning ("Unable to create SSL context");
497  return -1;
498  }
499 
500  SSL_CTX_set_mode (oc->ssl_ctx, SSL_MODE_ENABLE_PARTIAL_WRITE);
501  SSL_CTX_set_options (oc->ssl_ctx, flags);
502  SSL_CTX_set_ecdh_auto (oc->ssl_ctx, 1);
503 
504  rv = SSL_CTX_set_cipher_list (oc->ssl_ctx, (const char *) ciphers);
505  if (rv != 1)
506  {
507  TLS_DBG (1, "Couldn't set cipher");
508  return -1;
509  }
510 
511  /*
512  * Set the key and cert
513  */
514  cert_bio = BIO_new (BIO_s_mem ());
515  BIO_write (cert_bio, app->tls_cert, vec_len (app->tls_cert));
516  oc->srvcert = PEM_read_bio_X509 (cert_bio, NULL, NULL, NULL);
517  if (!oc->srvcert)
518  {
519  clib_warning ("unable to parse certificate");
520  return -1;
521  }
522  BIO_free (cert_bio);
523  cert_bio = BIO_new (BIO_s_mem ());
524  BIO_write (cert_bio, app->tls_key, vec_len (app->tls_key));
525  oc->pkey = PEM_read_bio_PrivateKey (cert_bio, NULL, NULL, NULL);
526  if (!oc->pkey)
527  {
528  clib_warning ("unable to parse pkey");
529  return -1;
530  }
531 
532  BIO_free (cert_bio);
533 
534  oc->ssl = SSL_new (oc->ssl_ctx);
535  if (oc->ssl == NULL)
536  {
537  TLS_DBG (1, "Couldn't initialize ssl struct");
538  return -1;
539  }
540 
541  oc->rbio = BIO_new (BIO_s_mem ());
542  oc->wbio = BIO_new (BIO_s_mem ());
543 
544  BIO_set_mem_eof_return (oc->rbio, -1);
545  BIO_set_mem_eof_return (oc->wbio, -1);
546 
547  SSL_set_bio (oc->ssl, oc->wbio, oc->rbio);
548  SSL_set_accept_state (oc->ssl);
549 
550  TLS_DBG (1, "Initiating handshake for [%u]%u", ctx->c_thread_index,
551  oc->openssl_ctx_index);
552 
553  tls_session = session_get_from_handle (ctx->tls_session_handle);
554  while (1)
555  {
556  rv = SSL_do_handshake (oc->ssl);
557  err = SSL_get_error (oc->ssl, rv);
558  openssl_try_handshake_write (oc, tls_session);
559  if (err != SSL_ERROR_WANT_WRITE)
560  break;
561  }
562 
563  TLS_DBG (2, "tls state for [%u]%u is su", ctx->c_thread_index,
564  oc->openssl_ctx_index, SSL_state_string_long (oc->ssl));
565  return 0;
566 }
567 
568 static u8
570 {
571  openssl_ctx_t *mc = (openssl_ctx_t *) ctx;
572  if (!mc->ssl)
573  return 0;
574  return SSL_is_init_finished (mc->ssl);
575 }
576 
577 const static tls_engine_vft_t openssl_engine = {
579  .ctx_free = openssl_ctx_free,
580  .ctx_get = openssl_ctx_get,
581  .ctx_get_w_thread = openssl_ctx_get_w_thread,
582  .ctx_init_server = openssl_ctx_init_server,
583  .ctx_init_client = openssl_ctx_init_client,
584  .ctx_write = openssl_ctx_write,
585  .ctx_read = openssl_ctx_read,
586  .ctx_handshake_is_over = openssl_handshake_is_over,
587 };
588 
589 int
591 {
593  tls_main_t *tm = vnet_tls_get_main ();
594  BIO *cert_bio;
595  X509 *testcert;
596  int rv;
597 
598  if (access (tm->ca_cert_path, F_OK | R_OK) == -1)
599  {
600  clib_warning ("Could not initialize TLS CA certificates");
601  return -1;
602  }
603 
604  if (!(om->cert_store = X509_STORE_new ()))
605  {
606  clib_warning ("failed to create cert store");
607  return -1;
608  }
609 
610  rv = X509_STORE_load_locations (om->cert_store, tm->ca_cert_path, 0);
611  if (rv < 0)
612  {
613  clib_warning ("failed to load ca certificate");
614  }
615 
616  if (tm->use_test_cert_in_ca)
617  {
618  cert_bio = BIO_new (BIO_s_mem ());
619  BIO_write (cert_bio, test_srv_crt_rsa, test_srv_crt_rsa_len);
620  testcert = PEM_read_bio_X509 (cert_bio, NULL, NULL, NULL);
621  if (!testcert)
622  {
623  clib_warning ("unable to parse certificate");
624  return -1;
625  }
626  X509_STORE_add_cert (om->cert_store, testcert);
627  rv = 0;
628  }
629  return (rv < 0 ? -1 : 0);
630 }
631 
632 static clib_error_t *
634 {
637  clib_error_t *error;
638  u32 num_threads;
639 
640  num_threads = 1 /* main thread */ + vtm->n_threads;
641 
642  if ((error = vlib_call_init_function (vm, tls_init)))
643  return error;
644 
645  SSL_library_init ();
646  SSL_load_error_strings ();
647 
648  if (tls_init_ca_chain ())
649  {
650  clib_warning ("failed to initialize TLS CA chain");
651  return 0;
652  }
653 
654  vec_validate (om->ctx_pool, num_threads - 1);
655 
656  tls_register_engine (&openssl_engine, TLS_ENGINE_OPENSSL);
657  return 0;
658 }
659 
661 
662 /* *INDENT-OFF* */
664  .version = VPP_BUILD_VER,
665  .description = "openssl based TLS Engine",
666 };
667 /* *INDENT-ON* */
668 
669 /*
670  * fd.io coding-style-patch-verification: ON
671  *
672  * Local Variables:
673  * eval: (c-set-style "gnu")
674  * End:
675  */
tls_main_t * vnet_tls_get_main(void)
Definition: tls.c:783
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:434
#define clib_min(x, y)
Definition: clib.h:340
static u8 openssl_handshake_is_over(tls_ctx_t *ctx)
Definition: tls_openssl.c:569
X509_STORE * cert_store
Definition: tls_openssl.c:38
static int openssl_try_handshake_write(openssl_ctx_t *oc, stream_session_t *tls_session)
Definition: tls_openssl.c:131
const u32 test_srv_crt_rsa_len
char * ca_cert_path
Definition: tls.h:87
#define NULL
Definition: clib.h:55
static u32 openssl_ctx_alloc(void)
Definition: tls_openssl.c:44
static void openssl_ctx_free(tls_ctx_t *ctx)
Definition: tls_openssl.c:63
void tls_notify_app_enqueue(tls_ctx_t *ctx, stream_session_t *app_session)
Definition: tls.c:188
u8 use_test_cert_in_ca
Definition: tls.h:86
static u32 svm_fifo_max_enqueue(svm_fifo_t *f)
Definition: svm_fifo.h:106
static tls_ctx_t * openssl_ctx_get(u32 ctx_index)
Definition: tls_openssl.c:82
static stream_session_t * session_get_from_handle(session_handle_t handle)
Definition: session.h:287
#define pool_get(P, E)
Allocate an object E from a pool P (unspecified alignment).
Definition: pool.h:227
static u8 * svm_fifo_tail(svm_fifo_t *f)
Definition: svm_fifo.h:208
struct _svm_fifo svm_fifo_t
static void svm_fifo_enqueue_nocopy(svm_fifo_t *f, u32 bytes)
Advance tail pointer.
Definition: svm_fifo.h:194
SSL_CTX * ssl_ctx
Definition: tls_openssl.c:27
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:111
static u32 svm_fifo_max_dequeue(svm_fifo_t *f)
Definition: svm_fifo.h:100
struct tls_ctx_openssl_ openssl_ctx_t
u8 is_passive_close
Definition: tls.h:70
static u32 svm_fifo_max_write_chunk(svm_fifo_t *f)
Max contiguous chunk of data that can be written.
Definition: svm_fifo.h:183
struct _stream_session_t stream_session_t
#define vlib_call_init_function(vm, x)
Definition: init.h:162
static u8 * svm_fifo_head(svm_fifo_t *f)
Definition: svm_fifo.h:202
static u32 svm_fifo_max_read_chunk(svm_fifo_t *f)
Max contiguous chunk of data that can be read.
Definition: svm_fifo.h:174
int tls_init_ca_chain(void)
Definition: tls_openssl.c:590
#define TLS_CHUNK_SIZE
Definition: tls.h:27
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:461
Definition: tls.h:74
int tls_notify_app_connected(tls_ctx_t *ctx, u8 is_failed)
Definition: tls.c:226
#define PREDICT_FALSE(x)
Definition: clib.h:105
const char test_srv_crt_rsa[]
Definition: tls.h:52
u32(* ctx_alloc)(void)
Definition: tls.h:92
static int openssl_ctx_write(tls_ctx_t *ctx, stream_session_t *app_session)
Definition: tls_openssl.c:233
static int openssl_ctx_init_client(tls_ctx_t *ctx)
Definition: tls_openssl.c:392
static_always_inline uword vlib_get_thread_index(void)
Definition: threads.h:221
vlib_main_t * vm
Definition: buffer.c:294
openssl_ctx_t *** ctx_pool
Definition: tls_openssl.c:37
#define clib_warning(format, args...)
Definition: error.h:59
#define SESSION_INVALID_HANDLE
Definition: session_table.h:59
static openssl_main_t openssl_main
Definition: tls_openssl.c:41
struct openssl_main_ openssl_main_t
struct _application application_t
#define TLS_DBG(_fmt, _args...)
Definition: tls.h:35
void tls_register_engine(const tls_engine_vft_t *vft, tls_engine_type_t type)
Definition: tls.c:706
#define pool_put_index(p, i)
Free pool element with given index.
Definition: pool.h:296
unsigned int u32
Definition: types.h:88
static clib_error_t * tls_openssl_init(vlib_main_t *vm)
Definition: tls_openssl.c:633
static int openssl_try_handshake_read(openssl_ctx_t *oc, stream_session_t *tls_session)
Definition: tls_openssl.c:99
static void * clib_mem_alloc(uword size)
Definition: mem.h:112
static int openssl_ctx_init_server(tls_ctx_t *ctx)
Definition: tls_openssl.c:473
int svm_fifo_dequeue_drop(svm_fifo_t *f, u32 max_bytes)
Definition: svm_fifo.c:774
static tls_ctx_t * openssl_ctx_get_w_thread(u32 ctx_index, u8 thread_index)
Definition: tls_openssl.c:91
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
unsigned char u8
Definition: types.h:56
EVP_PKEY * pkey
Definition: tls_openssl.c:32
application_t * application_get(u32 index)
Definition: application.c:386
int tls_add_vpp_q_evt(svm_fifo_t *f, u8 evt_type)
Definition: tls.c:42
u8 * srv_hostname
Definition: tls.h:71
static int openssl_ctx_handshake_rx(tls_ctx_t *ctx, stream_session_t *tls_session)
Definition: tls_openssl.c:169
VLIB_PLUGIN_REGISTER()
int tls_notify_app_accept(tls_ctx_t *ctx)
Definition: tls.c:197
static vlib_thread_main_t * vlib_get_thread_main()
Definition: global_funcs.h:32
static int openssl_ctx_read(tls_ctx_t *ctx, stream_session_t *tls_session)
Definition: tls_openssl.c:311
tls_ctx_t ctx
First.
Definition: tls_openssl.c:25
u32 flags
Definition: vhost-user.h:77
static clib_error_t * tls_init(vlib_main_t *vm)
Definition: tls.c:713