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authorBrian Morris <bmorris2@cisco.com>2023-10-11 17:36:59 +0000
committerFlorin Coras <florin.coras@gmail.com>2023-10-11 20:12:50 +0000
commit733e093e7099552a4609dc5efadf9261df7778d4 (patch)
tree6381f6cbb0ba0d866a51e7a83dcf3c5b60c49830 /src
parent9eaf377a386473a0798966560062a10ae932204d (diff)
tls: Fix SSL_CTX leak on every client session
Type: fix Change-Id: I35b3920288269073cdd35f79c938396128d169c9 Signed-off-by: Brian Morris <bmorris2@cisco.com>
Diffstat (limited to 'src')
-rw-r--r--src/plugins/tlsopenssl/tls_openssl.c21
-rw-r--r--src/plugins/tlsopenssl/tls_openssl.h2
2 files changed, 12 insertions, 11 deletions
diff --git a/src/plugins/tlsopenssl/tls_openssl.c b/src/plugins/tlsopenssl/tls_openssl.c
index 15bea86ffd3..e63413a3904 100644
--- a/src/plugins/tlsopenssl/tls_openssl.c
+++ b/src/plugins/tlsopenssl/tls_openssl.c
@@ -72,7 +72,7 @@ openssl_ctx_free (tls_ctx_t * ctx)
SSL_free (oc->ssl);
vec_free (ctx->srv_hostname);
-
+ SSL_CTX_free (oc->client_ssl_ctx);
#ifdef HAVE_OPENSSL_ASYNC
openssl_evt_free (ctx->evt_index, ctx->c_thread_index);
#endif
@@ -739,30 +739,31 @@ openssl_ctx_init_client (tls_ctx_t * ctx)
return -1;
}
- oc->ssl_ctx = SSL_CTX_new (method);
- if (oc->ssl_ctx == NULL)
+ oc->client_ssl_ctx = SSL_CTX_new (method);
+ if (oc->client_ssl_ctx == NULL)
{
TLS_DBG (1, "SSL_CTX_new returned null");
return -1;
}
- SSL_CTX_set_ecdh_auto (oc->ssl_ctx, 1);
- SSL_CTX_set_mode (oc->ssl_ctx, SSL_MODE_ENABLE_PARTIAL_WRITE);
+ SSL_CTX_set_ecdh_auto (oc->client_ssl_ctx, 1);
+ SSL_CTX_set_mode (oc->client_ssl_ctx, SSL_MODE_ENABLE_PARTIAL_WRITE);
#ifdef HAVE_OPENSSL_ASYNC
if (om->async)
- SSL_CTX_set_mode (oc->ssl_ctx, SSL_MODE_ASYNC);
+ SSL_CTX_set_mode (oc->client_ssl_ctx, SSL_MODE_ASYNC);
#endif
- rv = SSL_CTX_set_cipher_list (oc->ssl_ctx, (const char *) om->ciphers);
+ rv =
+ SSL_CTX_set_cipher_list (oc->client_ssl_ctx, (const char *) om->ciphers);
if (rv != 1)
{
TLS_DBG (1, "Couldn't set cipher");
return -1;
}
- SSL_CTX_set_options (oc->ssl_ctx, flags);
- SSL_CTX_set_cert_store (oc->ssl_ctx, om->cert_store);
+ SSL_CTX_set_options (oc->client_ssl_ctx, flags);
+ SSL_CTX_set1_cert_store (oc->client_ssl_ctx, om->cert_store);
- oc->ssl = SSL_new (oc->ssl_ctx);
+ oc->ssl = SSL_new (oc->client_ssl_ctx);
if (oc->ssl == NULL)
{
TLS_DBG (1, "Couldn't initialize ssl struct");
diff --git a/src/plugins/tlsopenssl/tls_openssl.h b/src/plugins/tlsopenssl/tls_openssl.h
index a4beecc8ec1..1600cd77aba 100644
--- a/src/plugins/tlsopenssl/tls_openssl.h
+++ b/src/plugins/tlsopenssl/tls_openssl.h
@@ -33,7 +33,7 @@ typedef struct tls_ctx_openssl_
{
tls_ctx_t ctx; /**< First */
u32 openssl_ctx_index;
- SSL_CTX *ssl_ctx;
+ SSL_CTX *client_ssl_ctx;
SSL *ssl;
BIO *rbio;
BIO *wbio;
1 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494
/*
 *------------------------------------------------------------------
 * Copyright (c) 2016 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *------------------------------------------------------------------
 */
#include <stdint.h>
#include <net/if.h>
#include <sys/ioctl.h>
#include <inttypes.h>

#include <vlib/vlib.h>
#include <vlib/unix/unix.h>
#include <vnet/ethernet/ethernet.h>

#include <memif/memif.h>
#include <memif/private.h>


static clib_error_t *
memif_socket_filename_create_command_fn (vlib_main_t * vm,
					 unformat_input_t * input,
					 vlib_cli_command_t * cmd)
{
  unformat_input_t _line_input, *line_input = &_line_input;
  clib_error_t *err;
  u32 socket_id;
  u8 *socket_filename;

  /* Get a line of input. */
  if (!unformat_user (input, unformat_line_input, line_input))
    return 0;

  socket_id = ~0;
  socket_filename = 0;

  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (line_input, "id %u", &socket_id))
	;
      else if (unformat (line_input, "filename %s", &socket_filename))
	;
      else
	{
	  vec_free (socket_filename);
	  unformat_free (line_input);
	  return clib_error_return (0, "unknown input `%U'",
				    format_unformat_error, input);
	}
    }

  unformat_free (line_input);

  if (socket_id == 0 || socket_id == ~0)
    {
      vec_free (socket_filename);
      return clib_error_return (0, "Invalid socket id");
    }

  if (!socket_filename || *socket_filename == 0)
    {
      vec_free (socket_filename);
      return clib_error_return (0, "Invalid socket filename");
    }

  err = memif_socket_filename_add_del (1, socket_id, (char *) socket_filename);

  vec_free (socket_filename);

  return err;
}

VLIB_CLI_COMMAND (memif_socket_filename_create_command, static) = {
  .path = "create memif socket",
  .short_help = "create memif socket [id <id>] [filename <path>]",
  .function = memif_socket_filename_create_command_fn,
};

static clib_error_t *
memif_socket_filename_delete_command_fn (vlib_main_t * vm,
					 unformat_input_t * input,
					 vlib_cli_command_t * cmd)
{
  unformat_input_t _line_input, *line_input = &_line_input;
  u32 socket_id;

  /* Get a line of input. */
  if (!unformat_user (input, unformat_line_input, line_input))
    return 0;

  socket_id = ~0;

  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (line_input, "id %u", &socket_id))
	;
      else
	{
	  unformat_free (line_input);
	  return clib_error_return (0, "unknown input `%U'",
				    format_unformat_error, input);
	}
    }

  unformat_free (line_input);

  if (socket_id == 0 || socket_id == ~0)
    {
      return clib_error_return (0, "Invalid socket id");
    }

  return memif_socket_filename_add_del (0, socket_id, 0);
}

VLIB_CLI_COMMAND (memif_socket_filename_delete_command, static) = {
  .path = "delete memif socket",
  .short_help = "delete memif socket [id <id>]",
  .function = memif_socket_filename_delete_command_fn,
};

static clib_error_t *
memif_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
			 vlib_cli_command_t * cmd)
{
  unformat_input_t _line_input, *line_input = &_line_input;
  clib_error_t *err;
  u32 ring_size = MEMIF_DEFAULT_RING_SIZE;
  memif_create_if_args_t args = { 0 };
  args.buffer_size = MEMIF_DEFAULT_BUFFER_SIZE;
  u32 rx_queues = MEMIF_DEFAULT_RX_QUEUES;
  u32 tx_queues = MEMIF_DEFAULT_TX_QUEUES;

  /* Get a line of input. */
  if (!unformat_user (input, unformat_line_input, line_input))
    return 0;

  args.is_zero_copy = 1;

  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (line_input, "id %u", &args.id))
	;
      else if (unformat (line_input, "socket-id %u", &args.socket_id))
	;
      else if (unformat (line_input, "secret %s", &args.secret))
	;
      else if (unformat (line_input, "ring-size %u", &ring_size))
	;
      else if (unformat (line_input, "rx-queues %u", &rx_queues))
	;
      else if (unformat (line_input, "tx-queues %u", &tx_queues))
	;
      else if (unformat (line_input, "buffer-size %u", &args.buffer_size))
	;
      else if (unformat (line_input, "master"))
	args.is_master = 1;
      else if (unformat (line_input, "slave"))
	args.is_master = 0;
      else if (unformat (line_input, "no-zero-copy"))
	args.is_zero_copy = 0;
      else if (unformat (line_input, "use-dma"))
	args.use_dma = 1;
      else if (unformat (line_input, "mode ip"))
	args.mode = MEMIF_INTERFACE_MODE_IP;
      else if (unformat (line_input, "hw-addr %U",
			 unformat_ethernet_address, args.hw_addr))
	args.hw_addr_set = 1;
      else
	{
	  unformat_free (line_input);
	  return clib_error_return (0, "unknown input `%U'",
				    format_unformat_error, input);
	}
    }
  unformat_free (line_input);

  if (!is_pow2 (ring_size))
    return clib_error_return (0, "ring size must be power of 2");

  if (ring_size > 32768)
    return clib_error_return (0, "maximum ring size is 32768");

  args.log2_ring_size = min_log2 (ring_size);

  if (rx_queues > 255 || rx_queues < 1)
    return clib_error_return (0, "rx queue must be between 1 - 255");
  if (tx_queues > 255 || tx_queues < 1)
    return clib_error_return (0, "tx queue must be between 1 - 255");

  args.rx_queues = rx_queues;
  args.tx_queues = tx_queues;

  err = memif_create_if (vm, &args);

  vec_free (args.secret);

  return err;
}

VLIB_CLI_COMMAND (memif_create_command, static) = {
  .path = "create interface memif",
  .short_help = "create interface memif [id <id>] [socket-id <socket-id>] "
                "[ring-size <size>] [buffer-size <size>] "
		"[hw-addr <mac-address>] "
		"<master|slave> [rx-queues <number>] [tx-queues <number>] "
		"[mode ip] [secret <string>]",
  .function = memif_create_command_fn,
};

static clib_error_t *
memif_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
			 vlib_cli_command_t * cmd)
{
  unformat_input_t _line_input, *line_input = &_line_input;
  u32 sw_if_index = ~0;
  vnet_hw_interface_t *hw;
  memif_main_t *mm = &memif_main;
  memif_if_t *mif;
  vnet_main_t *vnm = vnet_get_main ();

  /* Get a line of input. */
  if (!unformat_user (input, unformat_line_input, line_input))
    return 0;

  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (line_input, "sw_if_index %d", &sw_if_index))
	;
      else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
			 vnm, &sw_if_index))
	;
      else
	{
	  unformat_free (line_input);
	  return clib_error_return (0, "unknown input `%U'",
				    format_unformat_error, input);
	}
    }
  unformat_free (line_input);

  if (sw_if_index == ~0)
    return clib_error_return (0,
			      "please specify interface name or sw_if_index");

  hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
  if (hw == NULL || memif_device_class.index != hw->dev_class_index)
    return clib_error_return (0, "not a memif interface");

  mif = pool_elt_at_index (mm->interfaces, hw->dev_instance);
  memif_delete_if (vm, mif);

  return 0;
}

VLIB_CLI_COMMAND (memif_delete_command, static) = {
  .path = "delete interface memif",
  .short_help = "delete interface memif {<interface> | sw_if_index <sw_idx>}",
  .function = memif_delete_command_fn,
};

static u8 *
format_memif_if_flags (u8 * s, va_list * args)
{
  u32 flags = va_arg (*args, u32);
#define _(a,b,c) if ( flags & (1 << a)) s = format (s, " %s", c);
  foreach_memif_if_flag
#undef _
    return s;
}

static u8 *
format_memif_if_mode (u8 * s, va_list * args)
{
  memif_if_t *mif = va_arg (*args, memif_if_t *);
  if (mif->mode == MEMIF_INTERFACE_MODE_ETHERNET)
    return format (s, "ethernet");
  if (mif->mode == MEMIF_INTERFACE_MODE_IP)
    return format (s, "ip");
  if (mif->mode == MEMIF_INTERFACE_MODE_PUNT_INJECT)
    return format (s, "punt-inject");
  return format (s, "unknown mode (%u)", mif->mode);;
}

static u8 *
format_memif_queue (u8 * s, va_list * args)
{
  memif_queue_t *mq = va_arg (*args, memif_queue_t *);
  uword i = va_arg (*args, uword);
  u32 indent = format_get_indent (s);

  s = format (s, "%U%s ring %u:\n",
	      format_white_space, indent,
	      (mq->type == MEMIF_RING_S2M) ?
	      "slave-to-master" : "master-to-slave", i);
  s = format (s, "%Uregion %u offset %u ring-size %u int-fd %d\n",
	      format_white_space, indent + 4,
	      mq->region, mq->offset, (1 << mq->log2_ring_size), mq->int_fd);

  if (mq->ring)
    s = format (s, "%Uhead %u tail %u flags 0x%04x interrupts %u\n",
		format_white_space, indent + 4,
		mq->ring->head, mq->ring->tail, mq->ring->flags,
		mq->int_count);

  return s;
}

static u8 *
format_memif_descriptor (u8 * s, va_list * args)
{
  memif_if_t *mif = va_arg (*args, memif_if_t *);
  memif_queue_t *mq = va_arg (*args, memif_queue_t *);
  u32 indent = format_get_indent (s);
  memif_ring_t *ring;
  u16 ring_size;
  u16 slot;

  ring_size = 1 << mq->log2_ring_size;
  ring = mq->ring;
  if (ring)
    {
      s = format (s, "%Udescriptor table:\n", format_white_space, indent);
      s = format (s,
		  "%Uid    flags region len         address         offset    "
		  "    user address\n",
		  format_white_space, indent);
      s = format (s,
		  "%U===== ===== ====== ======== ================== "
		  "========== ==================\n",
		  format_white_space, indent);
      for (slot = 0; slot < ring_size; slot++)
	{
	  s = format (s, "%U%-5d %-5d %-6d %-7d  0x%016lx %-10d 0x%016lx\n",
		      format_white_space, indent, slot, ring->desc[slot].flags,
		      ring->desc[slot].region, ring->desc[slot].length,
		      mif->regions[ring->desc[slot].region].shm,
		      ring->desc[slot].offset,
		      memif_get_buffer (mif, ring, slot));
	}
      s = format (s, "\n");
    }

  return s;
}

static clib_error_t *
memif_show_command_fn (vlib_main_t * vm, unformat_input_t * input,
		       vlib_cli_command_t * cmd)
{
  memif_main_t *mm = &memif_main;
  memif_if_t *mif;
  vnet_main_t *vnm = vnet_get_main ();
  memif_region_t *mr;
  memif_queue_t *mq;
  uword i;
  int show_descr = 0;
  clib_error_t *error = 0;
  u32 hw_if_index, *hw_if_indices = 0;
  u32 sock_id;
  u32 msf_idx;
  u8 *s = 0;

  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat
	  (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
	vec_add1 (hw_if_indices, hw_if_index);
      else if (unformat (input, "descriptors"))
	show_descr = 1;
      else
	{
	  error = clib_error_return (0, "unknown input `%U'",
				     format_unformat_error, input);
	  goto done;
	}
    }

  vlib_cli_output (vm, "sockets\n");
  vlib_cli_output (vm, "  %-3s %-11s %s\n", "id", "listener", "filename");

  hash_foreach (sock_id, msf_idx, mm->socket_file_index_by_sock_id,
    ({
      memif_socket_file_t *msf;
      u8 *filename;

      msf = pool_elt_at_index(mm->socket_files, msf_idx);
      filename = msf->filename;
      if (msf->is_listener)
        s = format (s, "yes (%u)", msf->ref_cnt);
      else
        s = format (s, "no");

      vlib_cli_output(vm, "  %-3u %-11v %s\n", sock_id, s, filename);
      vec_reset_length (s);
    }));
  vec_free (s);

  vlib_cli_output (vm, "\n");

  if (vec_len (hw_if_indices) == 0)
    {
      pool_foreach (mif, mm->interfaces)
	  vec_add1 (hw_if_indices, mif->hw_if_index);
    }

  for (hw_if_index = 0; hw_if_index < vec_len (hw_if_indices); hw_if_index++)
    {
      vnet_hw_interface_t *hi =
	vnet_get_hw_interface (vnm, hw_if_indices[hw_if_index]);
      mif = pool_elt_at_index (mm->interfaces, hi->dev_instance);
      memif_socket_file_t *msf = vec_elt_at_index (mm->socket_files,
						   mif->socket_file_index);
      vlib_cli_output (vm, "interface %U", format_vnet_sw_if_index_name,
		       vnm, mif->sw_if_index);
      if (mif->remote_name)
	vlib_cli_output (vm, "  remote-name \"%s\"", mif->remote_name);
      if (mif->remote_if_name)
	vlib_cli_output (vm, "  remote-interface \"%s\"",
			 mif->remote_if_name);
      vlib_cli_output (vm, "  socket-id %u id %u mode %U", msf->socket_id,
		       mif->id, format_memif_if_mode, mif);
      vlib_cli_output (vm, "  flags%U", format_memif_if_flags, mif->flags);
      vlib_cli_output (vm, "  listener-fd %d conn-fd %d",
		       msf->sock ? msf->sock->fd : 0,
		       mif->sock ? mif->sock->fd : 0);
      vlib_cli_output (vm, "  num-s2m-rings %u num-m2s-rings %u "
		       "buffer-size %u num-regions %u",
		       mif->run.num_s2m_rings, mif->run.num_m2s_rings,
		       mif->run.buffer_size, vec_len (mif->regions));

      if (mif->local_disc_string)
	vlib_cli_output (vm, "  local-disc-reason \"%s\"",
			 mif->local_disc_string);
      if (mif->remote_disc_string)
	vlib_cli_output (vm, "  remote-disc-reason \"%s\"",
			 mif->remote_disc_string);

      vec_foreach_index (i, mif->regions)
	{
	  mr = vec_elt_at_index (mif->regions, i);
	  vlib_cli_output (vm, "  region %u size %u fd %d", i,
			   mr->region_size, mr->fd);
	}
      vec_foreach_index (i, mif->tx_queues)
	{
	  mq = vec_elt_at_index (mif->tx_queues, i);
	  vlib_cli_output (vm, "  %U", format_memif_queue, mq, i);
	  if (show_descr)
	    vlib_cli_output (vm, "  %U", format_memif_descriptor, mif, mq);
	}
      vec_foreach_index (i, mif->rx_queues)
	{
	  mq = vec_elt_at_index (mif->rx_queues, i);
	  vlib_cli_output (vm, "  %U", format_memif_queue, mq, i);
	  if (show_descr)
	    vlib_cli_output (vm, "  %U", format_memif_descriptor, mif, mq);
	}
    }
done:
  vec_free (hw_if_indices);
  return error;
}

VLIB_CLI_COMMAND (memif_show_command, static) = {
  .path = "show memif",
  .short_help = "show memif [<interface>] [descriptors]",
  .function = memif_show_command_fn,
};

clib_error_t *
memif_cli_init (vlib_main_t * vm)
{
  return 0;
}

VLIB_INIT_FUNCTION (memif_cli_init);

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */