|
- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
- /* ====================================================================
- * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
- /* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * ECC cipher suite support in OpenSSL originally developed by
- * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
- */
- /* ====================================================================
- * Copyright 2005 Nokia. All rights reserved.
- *
- * The portions of the attached software ("Contribution") is developed by
- * Nokia Corporation and is licensed pursuant to the OpenSSL open source
- * license.
- *
- * The Contribution, originally written by Mika Kousa and Pasi Eronen of
- * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
- * support (see RFC 4279) to OpenSSL.
- *
- * No patent licenses or other rights except those expressly stated in
- * the OpenSSL open source license shall be deemed granted or received
- * expressly, by implication, estoppel, or otherwise.
- *
- * No assurances are provided by Nokia that the Contribution does not
- * infringe the patent or other intellectual property rights of any third
- * party or that the license provides you with all the necessary rights
- * to make use of the Contribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
- * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
- * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
- * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
- * OTHERWISE. */
-
- #include <openssl/ssl.h>
-
- #include <assert.h>
- #include <stdlib.h>
- #include <string.h>
-
- #include <openssl/bytestring.h>
- #include <openssl/crypto.h>
- #include <openssl/err.h>
- #include <openssl/lhash.h>
- #include <openssl/mem.h>
- #include <openssl/rand.h>
-
- #include "internal.h"
- #include "../crypto/internal.h"
-
- #if defined(OPENSSL_WINDOWS)
- #include <sys/timeb.h>
- #else
- #include <sys/socket.h>
- #include <sys/time.h>
- #endif
-
-
- namespace bssl {
-
- // |SSL_R_UNKNOWN_PROTOCOL| is no longer emitted, but continue to define it
- // to avoid downstream churn.
- OPENSSL_DECLARE_ERROR_REASON(SSL, UNKNOWN_PROTOCOL)
-
- // The following errors are no longer emitted, but are used in nginx without
- // #ifdefs.
- OPENSSL_DECLARE_ERROR_REASON(SSL, BLOCK_CIPHER_PAD_IS_WRONG)
- OPENSSL_DECLARE_ERROR_REASON(SSL, NO_CIPHERS_SPECIFIED)
-
- // Some error codes are special. Ensure the make_errors.go script never
- // regresses this.
- static_assert(SSL_R_TLSV1_ALERT_NO_RENEGOTIATION ==
- SSL_AD_NO_RENEGOTIATION + SSL_AD_REASON_OFFSET,
- "alert reason code mismatch");
-
- // kMaxHandshakeSize is the maximum size, in bytes, of a handshake message.
- static const size_t kMaxHandshakeSize = (1u << 24) - 1;
-
- static CRYPTO_EX_DATA_CLASS g_ex_data_class_ssl =
- CRYPTO_EX_DATA_CLASS_INIT_WITH_APP_DATA;
- static CRYPTO_EX_DATA_CLASS g_ex_data_class_ssl_ctx =
- CRYPTO_EX_DATA_CLASS_INIT_WITH_APP_DATA;
-
- bool CBBFinishArray(CBB *cbb, Array<uint8_t> *out) {
- uint8_t *ptr;
- size_t len;
- if (!CBB_finish(cbb, &ptr, &len)) {
- OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR);
- return false;
- }
- out->Reset(ptr, len);
- return true;
- }
-
- void ssl_reset_error_state(SSL *ssl) {
- // Functions which use |SSL_get_error| must reset I/O and error state on
- // entry.
- ssl->s3->rwstate = SSL_NOTHING;
- ERR_clear_error();
- ERR_clear_system_error();
- }
-
- void ssl_set_read_error(SSL* ssl) {
- ssl->s3->read_shutdown = ssl_shutdown_error;
- ssl->s3->read_error.reset(ERR_save_state());
- }
-
- static bool check_read_error(const SSL *ssl) {
- if (ssl->s3->read_shutdown == ssl_shutdown_error) {
- ERR_restore_state(ssl->s3->read_error.get());
- return false;
- }
- return true;
- }
-
- int ssl_can_write(const SSL *ssl) {
- return !SSL_in_init(ssl) || ssl->s3->hs->can_early_write;
- }
-
- int ssl_can_read(const SSL *ssl) {
- return !SSL_in_init(ssl) || ssl->s3->hs->can_early_read;
- }
-
- ssl_open_record_t ssl_open_handshake(SSL *ssl, size_t *out_consumed,
- uint8_t *out_alert, Span<uint8_t> in) {
- *out_consumed = 0;
- if (!check_read_error(ssl)) {
- *out_alert = 0;
- return ssl_open_record_error;
- }
- auto ret = ssl->method->open_handshake(ssl, out_consumed, out_alert, in);
- if (ret == ssl_open_record_error) {
- ssl_set_read_error(ssl);
- }
- return ret;
- }
-
- ssl_open_record_t ssl_open_change_cipher_spec(SSL *ssl, size_t *out_consumed,
- uint8_t *out_alert,
- Span<uint8_t> in) {
- *out_consumed = 0;
- if (!check_read_error(ssl)) {
- *out_alert = 0;
- return ssl_open_record_error;
- }
- auto ret =
- ssl->method->open_change_cipher_spec(ssl, out_consumed, out_alert, in);
- if (ret == ssl_open_record_error) {
- ssl_set_read_error(ssl);
- }
- return ret;
- }
-
- ssl_open_record_t ssl_open_app_data(SSL *ssl, Span<uint8_t> *out,
- size_t *out_consumed, uint8_t *out_alert,
- Span<uint8_t> in) {
- *out_consumed = 0;
- if (!check_read_error(ssl)) {
- *out_alert = 0;
- return ssl_open_record_error;
- }
- auto ret = ssl->method->open_app_data(ssl, out, out_consumed, out_alert, in);
- if (ret == ssl_open_record_error) {
- ssl_set_read_error(ssl);
- }
- return ret;
- }
-
- void ssl_update_cache(SSL_HANDSHAKE *hs, int mode) {
- SSL *const ssl = hs->ssl;
- SSL_CTX *ctx = ssl->session_ctx;
- // Never cache sessions with empty session IDs.
- if (ssl->s3->established_session->session_id_length == 0 ||
- ssl->s3->established_session->not_resumable ||
- (ctx->session_cache_mode & mode) != mode) {
- return;
- }
-
- // Clients never use the internal session cache.
- int use_internal_cache = ssl->server && !(ctx->session_cache_mode &
- SSL_SESS_CACHE_NO_INTERNAL_STORE);
-
- // A client may see new sessions on abbreviated handshakes if the server
- // decides to renew the ticket. Once the handshake is completed, it should be
- // inserted into the cache.
- if (ssl->s3->established_session.get() != ssl->session ||
- (!ssl->server && hs->ticket_expected)) {
- if (use_internal_cache) {
- SSL_CTX_add_session(ctx, ssl->s3->established_session.get());
- }
- if (ctx->new_session_cb != NULL) {
- SSL_SESSION_up_ref(ssl->s3->established_session.get());
- if (!ctx->new_session_cb(ssl, ssl->s3->established_session.get())) {
- // |new_session_cb|'s return value signals whether it took ownership.
- SSL_SESSION_free(ssl->s3->established_session.get());
- }
- }
- }
-
- if (use_internal_cache &&
- !(ctx->session_cache_mode & SSL_SESS_CACHE_NO_AUTO_CLEAR)) {
- // Automatically flush the internal session cache every 255 connections.
- int flush_cache = 0;
- CRYPTO_MUTEX_lock_write(&ctx->lock);
- ctx->handshakes_since_cache_flush++;
- if (ctx->handshakes_since_cache_flush >= 255) {
- flush_cache = 1;
- ctx->handshakes_since_cache_flush = 0;
- }
- CRYPTO_MUTEX_unlock_write(&ctx->lock);
-
- if (flush_cache) {
- struct OPENSSL_timeval now;
- ssl_get_current_time(ssl, &now);
- SSL_CTX_flush_sessions(ctx, now.tv_sec);
- }
- }
- }
-
- static int cbb_add_hex(CBB *cbb, const uint8_t *in, size_t in_len) {
- static const char hextable[] = "0123456789abcdef";
- uint8_t *out;
-
- if (!CBB_add_space(cbb, &out, in_len * 2)) {
- return 0;
- }
-
- for (size_t i = 0; i < in_len; i++) {
- *(out++) = (uint8_t)hextable[in[i] >> 4];
- *(out++) = (uint8_t)hextable[in[i] & 0xf];
- }
-
- return 1;
- }
-
- int ssl_log_secret(const SSL *ssl, const char *label, const uint8_t *secret,
- size_t secret_len) {
- if (ssl->ctx->keylog_callback == NULL) {
- return 1;
- }
-
- ScopedCBB cbb;
- uint8_t *out;
- size_t out_len;
- if (!CBB_init(cbb.get(), strlen(label) + 1 + SSL3_RANDOM_SIZE * 2 + 1 +
- secret_len * 2 + 1) ||
- !CBB_add_bytes(cbb.get(), (const uint8_t *)label, strlen(label)) ||
- !CBB_add_bytes(cbb.get(), (const uint8_t *)" ", 1) ||
- !cbb_add_hex(cbb.get(), ssl->s3->client_random, SSL3_RANDOM_SIZE) ||
- !CBB_add_bytes(cbb.get(), (const uint8_t *)" ", 1) ||
- !cbb_add_hex(cbb.get(), secret, secret_len) ||
- !CBB_add_u8(cbb.get(), 0 /* NUL */) ||
- !CBB_finish(cbb.get(), &out, &out_len)) {
- return 0;
- }
-
- ssl->ctx->keylog_callback(ssl, (const char *)out);
- OPENSSL_free(out);
- return 1;
- }
-
- void ssl_do_info_callback(const SSL *ssl, int type, int value) {
- void (*cb)(const SSL *ssl, int type, int value) = NULL;
- if (ssl->info_callback != NULL) {
- cb = ssl->info_callback;
- } else if (ssl->ctx->info_callback != NULL) {
- cb = ssl->ctx->info_callback;
- }
-
- if (cb != NULL) {
- cb(ssl, type, value);
- }
- }
-
- void ssl_do_msg_callback(SSL *ssl, int is_write, int content_type,
- Span<const uint8_t> in) {
- if (ssl->msg_callback == NULL) {
- return;
- }
-
- // |version| is zero when calling for |SSL3_RT_HEADER| and |SSL2_VERSION| for
- // a V2ClientHello.
- int version;
- switch (content_type) {
- case 0:
- // V2ClientHello
- version = SSL2_VERSION;
- break;
- case SSL3_RT_HEADER:
- version = 0;
- break;
- default:
- version = SSL_version(ssl);
- }
-
- ssl->msg_callback(is_write, version, content_type, in.data(), in.size(), ssl,
- ssl->msg_callback_arg);
- }
-
- void ssl_get_current_time(const SSL *ssl, struct OPENSSL_timeval *out_clock) {
- // TODO(martinkr): Change callers to |ssl_ctx_get_current_time| and drop the
- // |ssl| arg from |current_time_cb| if possible.
- ssl_ctx_get_current_time(ssl->ctx, out_clock);
- }
-
- void ssl_ctx_get_current_time(const SSL_CTX *ctx,
- struct OPENSSL_timeval *out_clock) {
- if (ctx->current_time_cb != NULL) {
- // TODO(davidben): Update current_time_cb to use OPENSSL_timeval. See
- // https://crbug.com/boringssl/155.
- struct timeval clock;
- ctx->current_time_cb(nullptr /* ssl */, &clock);
- if (clock.tv_sec < 0) {
- assert(0);
- out_clock->tv_sec = 0;
- out_clock->tv_usec = 0;
- } else {
- out_clock->tv_sec = (uint64_t)clock.tv_sec;
- out_clock->tv_usec = (uint32_t)clock.tv_usec;
- }
- return;
- }
-
- #if defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE)
- out_clock->tv_sec = 1234;
- out_clock->tv_usec = 1234;
- #elif defined(OPENSSL_WINDOWS)
- struct _timeb time;
- _ftime(&time);
- if (time.time < 0) {
- assert(0);
- out_clock->tv_sec = 0;
- out_clock->tv_usec = 0;
- } else {
- out_clock->tv_sec = time.time;
- out_clock->tv_usec = time.millitm * 1000;
- }
- #else
- struct timeval clock;
- gettimeofday(&clock, NULL);
- if (clock.tv_sec < 0) {
- assert(0);
- out_clock->tv_sec = 0;
- out_clock->tv_usec = 0;
- } else {
- out_clock->tv_sec = (uint64_t)clock.tv_sec;
- out_clock->tv_usec = (uint32_t)clock.tv_usec;
- }
- #endif
- }
-
- void SSL_CTX_set_handoff_mode(SSL_CTX *ctx, bool on) {
- ctx->handoff = on;
- }
-
- } // namespace bssl
-
- using namespace bssl;
-
- int SSL_library_init(void) {
- CRYPTO_library_init();
- return 1;
- }
-
- int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings) {
- CRYPTO_library_init();
- return 1;
- }
-
- static uint32_t ssl_session_hash(const SSL_SESSION *sess) {
- const uint8_t *session_id = sess->session_id;
-
- uint8_t tmp_storage[sizeof(uint32_t)];
- if (sess->session_id_length < sizeof(tmp_storage)) {
- OPENSSL_memset(tmp_storage, 0, sizeof(tmp_storage));
- OPENSSL_memcpy(tmp_storage, sess->session_id, sess->session_id_length);
- session_id = tmp_storage;
- }
-
- uint32_t hash =
- ((uint32_t)session_id[0]) |
- ((uint32_t)session_id[1] << 8) |
- ((uint32_t)session_id[2] << 16) |
- ((uint32_t)session_id[3] << 24);
-
- return hash;
- }
-
- // NB: If this function (or indeed the hash function which uses a sort of
- // coarser function than this one) is changed, ensure
- // SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
- // able to construct an SSL_SESSION that will collide with any existing session
- // with a matching session ID.
- static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) {
- if (a->ssl_version != b->ssl_version) {
- return 1;
- }
-
- if (a->session_id_length != b->session_id_length) {
- return 1;
- }
-
- return OPENSSL_memcmp(a->session_id, b->session_id, a->session_id_length);
- }
-
- SSL_CTX *SSL_CTX_new(const SSL_METHOD *method) {
- SSL_CTX *ret = NULL;
-
- if (method == NULL) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_NULL_SSL_METHOD_PASSED);
- return NULL;
- }
-
- ret = (SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
- if (ret == NULL) {
- goto err;
- }
-
- OPENSSL_memset(ret, 0, sizeof(SSL_CTX));
-
- ret->method = method->method;
- ret->x509_method = method->x509_method;
-
- CRYPTO_MUTEX_init(&ret->lock);
-
- ret->session_cache_mode = SSL_SESS_CACHE_SERVER;
- ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
-
- ret->session_timeout = SSL_DEFAULT_SESSION_TIMEOUT;
- ret->session_psk_dhe_timeout = SSL_DEFAULT_SESSION_PSK_DHE_TIMEOUT;
-
- ret->references = 1;
-
- ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT;
- ret->verify_mode = SSL_VERIFY_NONE;
- ret->cert = New<CERT>(method->x509_method);
- if (ret->cert == NULL) {
- goto err;
- }
-
- ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp);
- if (ret->sessions == NULL) {
- goto err;
- }
-
- if (!ret->x509_method->ssl_ctx_new(ret)) {
- goto err;
- }
-
- if (!SSL_CTX_set_strict_cipher_list(ret, SSL_DEFAULT_CIPHER_LIST)) {
- goto err2;
- }
-
- ret->client_CA = sk_CRYPTO_BUFFER_new_null();
- if (ret->client_CA == NULL) {
- goto err;
- }
-
- CRYPTO_new_ex_data(&ret->ex_data);
-
- ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
-
- // Disable the auto-chaining feature by default. Once this has stuck without
- // problems, the feature will be removed entirely.
- ret->mode = SSL_MODE_NO_AUTO_CHAIN;
-
- ret->rsa_pss_rsae_certs_enabled = true;
-
- // Lock the SSL_CTX to the specified version, for compatibility with legacy
- // uses of SSL_METHOD.
- if (!SSL_CTX_set_max_proto_version(ret, method->version) ||
- !SSL_CTX_set_min_proto_version(ret, method->version)) {
- OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR);
- goto err2;
- }
-
- return ret;
-
- err:
- OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
- err2:
- SSL_CTX_free(ret);
- return NULL;
- }
-
- int SSL_CTX_up_ref(SSL_CTX *ctx) {
- CRYPTO_refcount_inc(&ctx->references);
- return 1;
- }
-
- void SSL_CTX_free(SSL_CTX *ctx) {
- if (ctx == NULL ||
- !CRYPTO_refcount_dec_and_test_zero(&ctx->references)) {
- return;
- }
-
- // Free internal session cache. However: the remove_cb() may reference the
- // ex_data of SSL_CTX, thus the ex_data store can only be removed after the
- // sessions were flushed. As the ex_data handling routines might also touch
- // the session cache, the most secure solution seems to be: empty (flush) the
- // cache, then free ex_data, then finally free the cache. (See ticket
- // [openssl.org #212].)
- SSL_CTX_flush_sessions(ctx, 0);
-
- CRYPTO_free_ex_data(&g_ex_data_class_ssl_ctx, ctx, &ctx->ex_data);
-
- CRYPTO_MUTEX_cleanup(&ctx->lock);
- lh_SSL_SESSION_free(ctx->sessions);
- Delete(ctx->cipher_list);
- Delete(ctx->cert);
- sk_SSL_CUSTOM_EXTENSION_pop_free(ctx->client_custom_extensions,
- SSL_CUSTOM_EXTENSION_free);
- sk_SSL_CUSTOM_EXTENSION_pop_free(ctx->server_custom_extensions,
- SSL_CUSTOM_EXTENSION_free);
- sk_CRYPTO_BUFFER_pop_free(ctx->client_CA, CRYPTO_BUFFER_free);
- ctx->x509_method->ssl_ctx_free(ctx);
- sk_SRTP_PROTECTION_PROFILE_free(ctx->srtp_profiles);
- OPENSSL_free(ctx->psk_identity_hint);
- OPENSSL_free(ctx->supported_group_list);
- OPENSSL_free(ctx->alpn_client_proto_list);
- EVP_PKEY_free(ctx->tlsext_channel_id_private);
- OPENSSL_free(ctx->verify_sigalgs);
- OPENSSL_free(ctx->tlsext_ticket_key_current);
- OPENSSL_free(ctx->tlsext_ticket_key_prev);
-
- OPENSSL_free(ctx);
- }
-
- SSL *SSL_new(SSL_CTX *ctx) {
- if (ctx == NULL) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_NULL_SSL_CTX);
- return NULL;
- }
- if (ctx->method == NULL) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
- return NULL;
- }
-
- SSL *ssl = (SSL *)OPENSSL_malloc(sizeof(SSL));
- if (ssl == NULL) {
- goto err;
- }
- OPENSSL_memset(ssl, 0, sizeof(SSL));
-
- ssl->conf_min_version = ctx->conf_min_version;
- ssl->conf_max_version = ctx->conf_max_version;
- ssl->tls13_variant = ctx->tls13_variant;
-
- // RFC 6347 states that implementations SHOULD use an initial timer value of
- // 1 second.
- ssl->initial_timeout_duration_ms = 1000;
-
- ssl->options = ctx->options;
- ssl->mode = ctx->mode;
- ssl->max_cert_list = ctx->max_cert_list;
-
- ssl->cert = ssl_cert_dup(ctx->cert).release();
- if (ssl->cert == NULL) {
- goto err;
- }
-
- ssl->msg_callback = ctx->msg_callback;
- ssl->msg_callback_arg = ctx->msg_callback_arg;
- ssl->verify_mode = ctx->verify_mode;
- ssl->verify_callback = ctx->default_verify_callback;
- ssl->custom_verify_callback = ctx->custom_verify_callback;
- ssl->retain_only_sha256_of_client_certs =
- ctx->retain_only_sha256_of_client_certs;
-
- ssl->quiet_shutdown = ctx->quiet_shutdown;
- ssl->max_send_fragment = ctx->max_send_fragment;
-
- SSL_CTX_up_ref(ctx);
- ssl->ctx = ctx;
- SSL_CTX_up_ref(ctx);
- ssl->session_ctx = ctx;
-
- if (!ssl->ctx->x509_method->ssl_new(ssl)) {
- goto err;
- }
-
- if (ctx->supported_group_list) {
- ssl->supported_group_list = (uint16_t *)BUF_memdup(
- ctx->supported_group_list, ctx->supported_group_list_len * 2);
- if (!ssl->supported_group_list) {
- goto err;
- }
- ssl->supported_group_list_len = ctx->supported_group_list_len;
- }
-
- if (ctx->alpn_client_proto_list) {
- ssl->alpn_client_proto_list = (uint8_t *)BUF_memdup(
- ctx->alpn_client_proto_list, ctx->alpn_client_proto_list_len);
- if (ssl->alpn_client_proto_list == NULL) {
- goto err;
- }
- ssl->alpn_client_proto_list_len = ctx->alpn_client_proto_list_len;
- }
-
- ssl->method = ctx->method;
-
- if (!ssl->method->ssl_new(ssl)) {
- goto err;
- }
-
- CRYPTO_new_ex_data(&ssl->ex_data);
-
- ssl->psk_identity_hint = NULL;
- if (ctx->psk_identity_hint) {
- ssl->psk_identity_hint = BUF_strdup(ctx->psk_identity_hint);
- if (ssl->psk_identity_hint == NULL) {
- goto err;
- }
- }
- ssl->psk_client_callback = ctx->psk_client_callback;
- ssl->psk_server_callback = ctx->psk_server_callback;
-
- ssl->tlsext_channel_id_enabled = ctx->tlsext_channel_id_enabled;
- if (ctx->tlsext_channel_id_private) {
- EVP_PKEY_up_ref(ctx->tlsext_channel_id_private);
- ssl->tlsext_channel_id_private = ctx->tlsext_channel_id_private;
- }
-
- ssl->signed_cert_timestamps_enabled = ctx->signed_cert_timestamps_enabled;
- ssl->ocsp_stapling_enabled = ctx->ocsp_stapling_enabled;
- ssl->handoff = ctx->handoff;
-
- return ssl;
-
- err:
- SSL_free(ssl);
- OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
-
- return NULL;
- }
-
- void SSL_free(SSL *ssl) {
- if (ssl == NULL) {
- return;
- }
-
- if (ssl->ctx != NULL) {
- ssl->ctx->x509_method->ssl_free(ssl);
- }
-
- CRYPTO_free_ex_data(&g_ex_data_class_ssl, ssl, &ssl->ex_data);
-
- BIO_free_all(ssl->rbio);
- BIO_free_all(ssl->wbio);
-
- // add extra stuff
- Delete(ssl->cipher_list);
-
- SSL_SESSION_free(ssl->session);
-
- Delete(ssl->cert);
-
- OPENSSL_free(ssl->tlsext_hostname);
- SSL_CTX_free(ssl->session_ctx);
- OPENSSL_free(ssl->supported_group_list);
- OPENSSL_free(ssl->alpn_client_proto_list);
- OPENSSL_free(ssl->token_binding_params);
- OPENSSL_free(ssl->quic_transport_params);
- EVP_PKEY_free(ssl->tlsext_channel_id_private);
- OPENSSL_free(ssl->psk_identity_hint);
- sk_CRYPTO_BUFFER_pop_free(ssl->client_CA, CRYPTO_BUFFER_free);
- sk_SRTP_PROTECTION_PROFILE_free(ssl->srtp_profiles);
-
- if (ssl->method != NULL) {
- ssl->method->ssl_free(ssl);
- }
- SSL_CTX_free(ssl->ctx);
-
- OPENSSL_free(ssl);
- }
-
- void SSL_set_connect_state(SSL *ssl) {
- ssl->server = false;
- ssl->do_handshake = ssl_client_handshake;
- }
-
- void SSL_set_accept_state(SSL *ssl) {
- ssl->server = true;
- ssl->do_handshake = ssl_server_handshake;
- }
-
- void SSL_set0_rbio(SSL *ssl, BIO *rbio) {
- BIO_free_all(ssl->rbio);
- ssl->rbio = rbio;
- }
-
- void SSL_set0_wbio(SSL *ssl, BIO *wbio) {
- BIO_free_all(ssl->wbio);
- ssl->wbio = wbio;
- }
-
- void SSL_set_bio(SSL *ssl, BIO *rbio, BIO *wbio) {
- // For historical reasons, this function has many different cases in ownership
- // handling.
-
- // If nothing has changed, do nothing
- if (rbio == SSL_get_rbio(ssl) && wbio == SSL_get_wbio(ssl)) {
- return;
- }
-
- // If the two arguments are equal, one fewer reference is granted than
- // taken.
- if (rbio != NULL && rbio == wbio) {
- BIO_up_ref(rbio);
- }
-
- // If only the wbio is changed, adopt only one reference.
- if (rbio == SSL_get_rbio(ssl)) {
- SSL_set0_wbio(ssl, wbio);
- return;
- }
-
- // There is an asymmetry here for historical reasons. If only the rbio is
- // changed AND the rbio and wbio were originally different, then we only adopt
- // one reference.
- if (wbio == SSL_get_wbio(ssl) && SSL_get_rbio(ssl) != SSL_get_wbio(ssl)) {
- SSL_set0_rbio(ssl, rbio);
- return;
- }
-
- // Otherwise, adopt both references.
- SSL_set0_rbio(ssl, rbio);
- SSL_set0_wbio(ssl, wbio);
- }
-
- BIO *SSL_get_rbio(const SSL *ssl) { return ssl->rbio; }
-
- BIO *SSL_get_wbio(const SSL *ssl) { return ssl->wbio; }
-
- int SSL_do_handshake(SSL *ssl) {
- ssl_reset_error_state(ssl);
-
- if (ssl->do_handshake == NULL) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_CONNECTION_TYPE_NOT_SET);
- return -1;
- }
-
- if (!SSL_in_init(ssl)) {
- return 1;
- }
-
- // Run the handshake.
- SSL_HANDSHAKE *hs = ssl->s3->hs.get();
-
- bool early_return = false;
- int ret = ssl_run_handshake(hs, &early_return);
- ssl_do_info_callback(
- ssl, ssl->server ? SSL_CB_ACCEPT_EXIT : SSL_CB_CONNECT_EXIT, ret);
- if (ret <= 0) {
- return ret;
- }
-
- // Destroy the handshake object if the handshake has completely finished.
- if (!early_return) {
- ssl->s3->hs.reset();
- }
-
- return 1;
- }
-
- int SSL_connect(SSL *ssl) {
- if (ssl->do_handshake == NULL) {
- // Not properly initialized yet
- SSL_set_connect_state(ssl);
- }
-
- return SSL_do_handshake(ssl);
- }
-
- int SSL_accept(SSL *ssl) {
- if (ssl->do_handshake == NULL) {
- // Not properly initialized yet
- SSL_set_accept_state(ssl);
- }
-
- return SSL_do_handshake(ssl);
- }
-
- static int ssl_do_post_handshake(SSL *ssl, const SSLMessage &msg) {
- if (ssl_protocol_version(ssl) >= TLS1_3_VERSION) {
- return tls13_post_handshake(ssl, msg);
- }
-
- // We do not accept renegotiations as a server or SSL 3.0. SSL 3.0 will be
- // removed entirely in the future and requires retaining more data for
- // renegotiation_info.
- if (ssl->server || ssl->version == SSL3_VERSION) {
- goto no_renegotiation;
- }
-
- if (msg.type != SSL3_MT_HELLO_REQUEST || CBS_len(&msg.body) != 0) {
- ssl_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_DECODE_ERROR);
- OPENSSL_PUT_ERROR(SSL, SSL_R_BAD_HELLO_REQUEST);
- return 0;
- }
-
- switch (ssl->renegotiate_mode) {
- case ssl_renegotiate_ignore:
- // Ignore the HelloRequest.
- return 1;
-
- case ssl_renegotiate_once:
- if (ssl->s3->total_renegotiations != 0) {
- goto no_renegotiation;
- }
- break;
-
- case ssl_renegotiate_never:
- goto no_renegotiation;
-
- case ssl_renegotiate_freely:
- break;
- }
-
- // Renegotiation is only supported at quiescent points in the application
- // protocol, namely in HTTPS, just before reading the HTTP response. Require
- // the record-layer be idle and avoid complexities of sending a handshake
- // record while an application_data record is being written.
- if (!ssl->s3->write_buffer.empty() ||
- ssl->s3->write_shutdown != ssl_shutdown_none) {
- goto no_renegotiation;
- }
-
- // Begin a new handshake.
- if (ssl->s3->hs != nullptr) {
- OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR);
- return 0;
- }
- ssl->s3->hs = ssl_handshake_new(ssl);
- if (ssl->s3->hs == nullptr) {
- return 0;
- }
-
- ssl->s3->total_renegotiations++;
- return 1;
-
- no_renegotiation:
- OPENSSL_PUT_ERROR(SSL, SSL_R_NO_RENEGOTIATION);
- ssl_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_NO_RENEGOTIATION);
- return 0;
- }
-
- static int ssl_read_impl(SSL *ssl) {
- ssl_reset_error_state(ssl);
-
- if (ssl->do_handshake == NULL) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED);
- return -1;
- }
-
- // Replay post-handshake message errors.
- if (!check_read_error(ssl)) {
- return -1;
- }
-
- while (ssl->s3->pending_app_data.empty()) {
- // Complete the current handshake, if any. False Start will cause
- // |SSL_do_handshake| to return mid-handshake, so this may require multiple
- // iterations.
- while (!ssl_can_read(ssl)) {
- int ret = SSL_do_handshake(ssl);
- if (ret < 0) {
- return ret;
- }
- if (ret == 0) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_HANDSHAKE_FAILURE);
- return -1;
- }
- }
-
- // Process any buffered post-handshake messages.
- SSLMessage msg;
- if (ssl->method->get_message(ssl, &msg)) {
- // If we received an interrupt in early read (EndOfEarlyData), loop again
- // for the handshake to process it.
- if (SSL_in_init(ssl)) {
- ssl->s3->hs->can_early_read = false;
- continue;
- }
-
- // Handle the post-handshake message and try again.
- if (!ssl_do_post_handshake(ssl, msg)) {
- ssl_set_read_error(ssl);
- return -1;
- }
- ssl->method->next_message(ssl);
- continue; // Loop again. We may have begun a new handshake.
- }
-
- uint8_t alert = SSL_AD_DECODE_ERROR;
- size_t consumed = 0;
- auto ret = ssl_open_app_data(ssl, &ssl->s3->pending_app_data, &consumed,
- &alert, ssl->s3->read_buffer.span());
- bool retry;
- int bio_ret = ssl_handle_open_record(ssl, &retry, ret, consumed, alert);
- if (bio_ret <= 0) {
- return bio_ret;
- }
- if (!retry) {
- assert(!ssl->s3->pending_app_data.empty());
- ssl->s3->key_update_count = 0;
- }
- }
-
- return 1;
- }
-
- int SSL_read(SSL *ssl, void *buf, int num) {
- int ret = SSL_peek(ssl, buf, num);
- if (ret <= 0) {
- return ret;
- }
- // TODO(davidben): In DTLS, should the rest of the record be discarded? DTLS
- // is not a stream. See https://crbug.com/boringssl/65.
- ssl->s3->pending_app_data =
- ssl->s3->pending_app_data.subspan(static_cast<size_t>(ret));
- if (ssl->s3->pending_app_data.empty()) {
- ssl->s3->read_buffer.DiscardConsumed();
- }
- return ret;
- }
-
- int SSL_peek(SSL *ssl, void *buf, int num) {
- int ret = ssl_read_impl(ssl);
- if (ret <= 0) {
- return ret;
- }
- if (num <= 0) {
- return num;
- }
- size_t todo =
- std::min(ssl->s3->pending_app_data.size(), static_cast<size_t>(num));
- OPENSSL_memcpy(buf, ssl->s3->pending_app_data.data(), todo);
- return static_cast<int>(todo);
- }
-
- int SSL_write(SSL *ssl, const void *buf, int num) {
- ssl_reset_error_state(ssl);
-
- if (ssl->do_handshake == NULL) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED);
- return -1;
- }
-
- if (ssl->s3->write_shutdown != ssl_shutdown_none) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_PROTOCOL_IS_SHUTDOWN);
- return -1;
- }
-
- int ret = 0;
- bool needs_handshake = false;
- do {
- // If necessary, complete the handshake implicitly.
- if (!ssl_can_write(ssl)) {
- ret = SSL_do_handshake(ssl);
- if (ret < 0) {
- return ret;
- }
- if (ret == 0) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_HANDSHAKE_FAILURE);
- return -1;
- }
- }
-
- ret = ssl->method->write_app_data(ssl, &needs_handshake,
- (const uint8_t *)buf, num);
- } while (needs_handshake);
- return ret;
- }
-
- int SSL_shutdown(SSL *ssl) {
- ssl_reset_error_state(ssl);
-
- if (ssl->do_handshake == NULL) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED);
- return -1;
- }
-
- // If we are in the middle of a handshake, silently succeed. Consumers often
- // call this function before |SSL_free|, whether the handshake succeeded or
- // not. We assume the caller has already handled failed handshakes.
- if (SSL_in_init(ssl)) {
- return 1;
- }
-
- if (ssl->quiet_shutdown) {
- // Do nothing if configured not to send a close_notify.
- ssl->s3->write_shutdown = ssl_shutdown_close_notify;
- ssl->s3->read_shutdown = ssl_shutdown_close_notify;
- return 1;
- }
-
- // This function completes in two stages. It sends a close_notify and then it
- // waits for a close_notify to come in. Perform exactly one action and return
- // whether or not it succeeds.
-
- if (ssl->s3->write_shutdown != ssl_shutdown_close_notify) {
- // Send a close_notify.
- if (ssl_send_alert(ssl, SSL3_AL_WARNING, SSL_AD_CLOSE_NOTIFY) <= 0) {
- return -1;
- }
- } else if (ssl->s3->alert_dispatch) {
- // Finish sending the close_notify.
- if (ssl->method->dispatch_alert(ssl) <= 0) {
- return -1;
- }
- } else if (ssl->s3->read_shutdown != ssl_shutdown_close_notify) {
- if (SSL_is_dtls(ssl)) {
- // Bidirectional shutdown doesn't make sense for an unordered
- // transport. DTLS alerts also aren't delivered reliably, so we may even
- // time out because the peer never received our close_notify. Report to
- // the caller that the channel has fully shut down.
- if (ssl->s3->read_shutdown == ssl_shutdown_error) {
- ERR_restore_state(ssl->s3->read_error.get());
- return -1;
- }
- ssl->s3->read_shutdown = ssl_shutdown_close_notify;
- } else {
- // Keep discarding data until we see a close_notify.
- for (;;) {
- ssl->s3->pending_app_data = Span<uint8_t>();
- int ret = ssl_read_impl(ssl);
- if (ret <= 0) {
- break;
- }
- }
- if (ssl->s3->read_shutdown != ssl_shutdown_close_notify) {
- return -1;
- }
- }
- }
-
- // Return 0 for unidirectional shutdown and 1 for bidirectional shutdown.
- return ssl->s3->read_shutdown == ssl_shutdown_close_notify;
- }
-
- int SSL_send_fatal_alert(SSL *ssl, uint8_t alert) {
- if (ssl->s3->alert_dispatch) {
- if (ssl->s3->send_alert[0] != SSL3_AL_FATAL ||
- ssl->s3->send_alert[1] != alert) {
- // We are already attempting to write a different alert.
- OPENSSL_PUT_ERROR(SSL, SSL_R_PROTOCOL_IS_SHUTDOWN);
- return -1;
- }
- return ssl->method->dispatch_alert(ssl);
- }
-
- return ssl_send_alert(ssl, SSL3_AL_FATAL, alert);
- }
-
- int SSL_set_quic_transport_params(SSL *ssl, const uint8_t *params,
- size_t params_len) {
- ssl->quic_transport_params = (uint8_t *)BUF_memdup(params, params_len);
- if (!ssl->quic_transport_params) {
- return 0;
- }
- ssl->quic_transport_params_len = params_len;
- return 1;
- }
-
- void SSL_get_peer_quic_transport_params(const SSL *ssl,
- const uint8_t **out_params,
- size_t *out_params_len) {
- *out_params = ssl->s3->peer_quic_transport_params.data();
- *out_params_len = ssl->s3->peer_quic_transport_params.size();
- }
-
- void SSL_CTX_set_early_data_enabled(SSL_CTX *ctx, int enabled) {
- ctx->cert->enable_early_data = !!enabled;
- }
-
- void SSL_CTX_set_tls13_variant(SSL_CTX *ctx, enum tls13_variant_t variant) {
- ctx->tls13_variant = variant;
- }
-
- void SSL_set_tls13_variant(SSL *ssl, enum tls13_variant_t variant) {
- ssl->tls13_variant = variant;
- }
-
- void SSL_set_early_data_enabled(SSL *ssl, int enabled) {
- ssl->cert->enable_early_data = !!enabled;
- }
-
- int SSL_in_early_data(const SSL *ssl) {
- if (ssl->s3->hs == NULL) {
- return 0;
- }
- return ssl->s3->hs->in_early_data;
- }
-
- int SSL_early_data_accepted(const SSL *ssl) {
- return ssl->s3->early_data_accepted;
- }
-
- void SSL_reset_early_data_reject(SSL *ssl) {
- SSL_HANDSHAKE *hs = ssl->s3->hs.get();
- if (hs == NULL ||
- hs->wait != ssl_hs_early_data_rejected) {
- abort();
- }
-
- hs->wait = ssl_hs_ok;
- hs->in_early_data = false;
- hs->early_session.reset();
-
- // Discard any unfinished writes from the perspective of |SSL_write|'s
- // retry. The handshake will transparently flush out the pending record
- // (discarded by the server) to keep the framing correct.
- ssl->s3->wpend_pending = false;
- }
-
- static int bio_retry_reason_to_error(int reason) {
- switch (reason) {
- case BIO_RR_CONNECT:
- return SSL_ERROR_WANT_CONNECT;
- case BIO_RR_ACCEPT:
- return SSL_ERROR_WANT_ACCEPT;
- default:
- return SSL_ERROR_SYSCALL;
- }
- }
-
- int SSL_get_error(const SSL *ssl, int ret_code) {
- if (ret_code > 0) {
- return SSL_ERROR_NONE;
- }
-
- // Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
- // where we do encode the error
- uint32_t err = ERR_peek_error();
- if (err != 0) {
- if (ERR_GET_LIB(err) == ERR_LIB_SYS) {
- return SSL_ERROR_SYSCALL;
- }
- return SSL_ERROR_SSL;
- }
-
- if (ret_code == 0) {
- if (ssl->s3->read_shutdown == ssl_shutdown_close_notify) {
- return SSL_ERROR_ZERO_RETURN;
- }
- // An EOF was observed which violates the protocol, and the underlying
- // transport does not participate in the error queue. Bubble up to the
- // caller.
- return SSL_ERROR_SYSCALL;
- }
-
- switch (ssl->s3->rwstate) {
- case SSL_PENDING_SESSION:
- return SSL_ERROR_PENDING_SESSION;
-
- case SSL_CERTIFICATE_SELECTION_PENDING:
- return SSL_ERROR_PENDING_CERTIFICATE;
-
- case SSL_HANDOFF:
- return SSL_ERROR_HANDOFF;
-
- case SSL_HANDBACK:
- return SSL_ERROR_HANDBACK;
-
- case SSL_READING: {
- BIO *bio = SSL_get_rbio(ssl);
- if (BIO_should_read(bio)) {
- return SSL_ERROR_WANT_READ;
- }
-
- if (BIO_should_write(bio)) {
- // TODO(davidben): OpenSSL historically checked for writes on the read
- // BIO. Can this be removed?
- return SSL_ERROR_WANT_WRITE;
- }
-
- if (BIO_should_io_special(bio)) {
- return bio_retry_reason_to_error(BIO_get_retry_reason(bio));
- }
-
- break;
- }
-
- case SSL_WRITING: {
- BIO *bio = SSL_get_wbio(ssl);
- if (BIO_should_write(bio)) {
- return SSL_ERROR_WANT_WRITE;
- }
-
- if (BIO_should_read(bio)) {
- // TODO(davidben): OpenSSL historically checked for reads on the write
- // BIO. Can this be removed?
- return SSL_ERROR_WANT_READ;
- }
-
- if (BIO_should_io_special(bio)) {
- return bio_retry_reason_to_error(BIO_get_retry_reason(bio));
- }
-
- break;
- }
-
- case SSL_X509_LOOKUP:
- return SSL_ERROR_WANT_X509_LOOKUP;
-
- case SSL_CHANNEL_ID_LOOKUP:
- return SSL_ERROR_WANT_CHANNEL_ID_LOOKUP;
-
- case SSL_PRIVATE_KEY_OPERATION:
- return SSL_ERROR_WANT_PRIVATE_KEY_OPERATION;
-
- case SSL_PENDING_TICKET:
- return SSL_ERROR_PENDING_TICKET;
-
- case SSL_EARLY_DATA_REJECTED:
- return SSL_ERROR_EARLY_DATA_REJECTED;
-
- case SSL_CERTIFICATE_VERIFY:
- return SSL_ERROR_WANT_CERTIFICATE_VERIFY;
- }
-
- return SSL_ERROR_SYSCALL;
- }
-
- uint32_t SSL_CTX_set_options(SSL_CTX *ctx, uint32_t options) {
- ctx->options |= options;
- return ctx->options;
- }
-
- uint32_t SSL_CTX_clear_options(SSL_CTX *ctx, uint32_t options) {
- ctx->options &= ~options;
- return ctx->options;
- }
-
- uint32_t SSL_CTX_get_options(const SSL_CTX *ctx) { return ctx->options; }
-
- uint32_t SSL_set_options(SSL *ssl, uint32_t options) {
- ssl->options |= options;
- return ssl->options;
- }
-
- uint32_t SSL_clear_options(SSL *ssl, uint32_t options) {
- ssl->options &= ~options;
- return ssl->options;
- }
-
- uint32_t SSL_get_options(const SSL *ssl) { return ssl->options; }
-
- uint32_t SSL_CTX_set_mode(SSL_CTX *ctx, uint32_t mode) {
- ctx->mode |= mode;
- return ctx->mode;
- }
-
- uint32_t SSL_CTX_clear_mode(SSL_CTX *ctx, uint32_t mode) {
- ctx->mode &= ~mode;
- return ctx->mode;
- }
-
- uint32_t SSL_CTX_get_mode(const SSL_CTX *ctx) { return ctx->mode; }
-
- uint32_t SSL_set_mode(SSL *ssl, uint32_t mode) {
- ssl->mode |= mode;
- return ssl->mode;
- }
-
- uint32_t SSL_clear_mode(SSL *ssl, uint32_t mode) {
- ssl->mode &= ~mode;
- return ssl->mode;
- }
-
- uint32_t SSL_get_mode(const SSL *ssl) { return ssl->mode; }
-
- void SSL_CTX_set0_buffer_pool(SSL_CTX *ctx, CRYPTO_BUFFER_POOL *pool) {
- ctx->pool = pool;
- }
-
- int SSL_get_tls_unique(const SSL *ssl, uint8_t *out, size_t *out_len,
- size_t max_out) {
- *out_len = 0;
- OPENSSL_memset(out, 0, max_out);
-
- // tls-unique is not defined for SSL 3.0 or TLS 1.3.
- if (!ssl->s3->initial_handshake_complete ||
- ssl_protocol_version(ssl) < TLS1_VERSION ||
- ssl_protocol_version(ssl) >= TLS1_3_VERSION) {
- return 0;
- }
-
- // The tls-unique value is the first Finished message in the handshake, which
- // is the client's in a full handshake and the server's for a resumption. See
- // https://tools.ietf.org/html/rfc5929#section-3.1.
- const uint8_t *finished = ssl->s3->previous_client_finished;
- size_t finished_len = ssl->s3->previous_client_finished_len;
- if (ssl->session != NULL) {
- // tls-unique is broken for resumed sessions unless EMS is used.
- if (!ssl->session->extended_master_secret) {
- return 0;
- }
- finished = ssl->s3->previous_server_finished;
- finished_len = ssl->s3->previous_server_finished_len;
- }
-
- *out_len = finished_len;
- if (finished_len > max_out) {
- *out_len = max_out;
- }
-
- OPENSSL_memcpy(out, finished, *out_len);
- return 1;
- }
-
- static int set_session_id_context(CERT *cert, const uint8_t *sid_ctx,
- size_t sid_ctx_len) {
- if (sid_ctx_len > sizeof(cert->sid_ctx)) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
- return 0;
- }
-
- static_assert(sizeof(cert->sid_ctx) < 256, "sid_ctx too large");
- cert->sid_ctx_length = (uint8_t)sid_ctx_len;
- OPENSSL_memcpy(cert->sid_ctx, sid_ctx, sid_ctx_len);
- return 1;
- }
-
- int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const uint8_t *sid_ctx,
- size_t sid_ctx_len) {
- return set_session_id_context(ctx->cert, sid_ctx, sid_ctx_len);
- }
-
- int SSL_set_session_id_context(SSL *ssl, const uint8_t *sid_ctx,
- size_t sid_ctx_len) {
- return set_session_id_context(ssl->cert, sid_ctx, sid_ctx_len);
- }
-
- const uint8_t *SSL_get0_session_id_context(const SSL *ssl, size_t *out_len) {
- *out_len = ssl->cert->sid_ctx_length;
- return ssl->cert->sid_ctx;
- }
-
- void SSL_certs_clear(SSL *ssl) { ssl_cert_clear_certs(ssl->cert); }
-
- int SSL_get_fd(const SSL *ssl) { return SSL_get_rfd(ssl); }
-
- int SSL_get_rfd(const SSL *ssl) {
- int ret = -1;
- BIO *b = BIO_find_type(SSL_get_rbio(ssl), BIO_TYPE_DESCRIPTOR);
- if (b != NULL) {
- BIO_get_fd(b, &ret);
- }
- return ret;
- }
-
- int SSL_get_wfd(const SSL *ssl) {
- int ret = -1;
- BIO *b = BIO_find_type(SSL_get_wbio(ssl), BIO_TYPE_DESCRIPTOR);
- if (b != NULL) {
- BIO_get_fd(b, &ret);
- }
- return ret;
- }
-
- int SSL_set_fd(SSL *ssl, int fd) {
- BIO *bio = BIO_new(BIO_s_socket());
- if (bio == NULL) {
- OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB);
- return 0;
- }
- BIO_set_fd(bio, fd, BIO_NOCLOSE);
- SSL_set_bio(ssl, bio, bio);
- return 1;
- }
-
- int SSL_set_wfd(SSL *ssl, int fd) {
- BIO *rbio = SSL_get_rbio(ssl);
- if (rbio == NULL || BIO_method_type(rbio) != BIO_TYPE_SOCKET ||
- BIO_get_fd(rbio, NULL) != fd) {
- BIO *bio = BIO_new(BIO_s_socket());
- if (bio == NULL) {
- OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB);
- return 0;
- }
- BIO_set_fd(bio, fd, BIO_NOCLOSE);
- SSL_set0_wbio(ssl, bio);
- } else {
- // Copy the rbio over to the wbio.
- BIO_up_ref(rbio);
- SSL_set0_wbio(ssl, rbio);
- }
-
- return 1;
- }
-
- int SSL_set_rfd(SSL *ssl, int fd) {
- BIO *wbio = SSL_get_wbio(ssl);
- if (wbio == NULL || BIO_method_type(wbio) != BIO_TYPE_SOCKET ||
- BIO_get_fd(wbio, NULL) != fd) {
- BIO *bio = BIO_new(BIO_s_socket());
- if (bio == NULL) {
- OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB);
- return 0;
- }
- BIO_set_fd(bio, fd, BIO_NOCLOSE);
- SSL_set0_rbio(ssl, bio);
- } else {
- // Copy the wbio over to the rbio.
- BIO_up_ref(wbio);
- SSL_set0_rbio(ssl, wbio);
- }
- return 1;
- }
-
- static size_t copy_finished(void *out, size_t out_len, const uint8_t *in,
- size_t in_len) {
- if (out_len > in_len) {
- out_len = in_len;
- }
- OPENSSL_memcpy(out, in, out_len);
- return in_len;
- }
-
- size_t SSL_get_finished(const SSL *ssl, void *buf, size_t count) {
- if (!ssl->s3->initial_handshake_complete ||
- ssl_protocol_version(ssl) < TLS1_VERSION ||
- ssl_protocol_version(ssl) >= TLS1_3_VERSION) {
- return 0;
- }
-
- if (ssl->server) {
- return copy_finished(buf, count, ssl->s3->previous_server_finished,
- ssl->s3->previous_server_finished_len);
- }
-
- return copy_finished(buf, count, ssl->s3->previous_client_finished,
- ssl->s3->previous_client_finished_len);
- }
-
- size_t SSL_get_peer_finished(const SSL *ssl, void *buf, size_t count) {
- if (!ssl->s3->initial_handshake_complete ||
- ssl_protocol_version(ssl) < TLS1_VERSION ||
- ssl_protocol_version(ssl) >= TLS1_3_VERSION) {
- return 0;
- }
-
- if (ssl->server) {
- return copy_finished(buf, count, ssl->s3->previous_client_finished,
- ssl->s3->previous_client_finished_len);
- }
-
- return copy_finished(buf, count, ssl->s3->previous_server_finished,
- ssl->s3->previous_server_finished_len);
- }
-
- int SSL_get_verify_mode(const SSL *ssl) { return ssl->verify_mode; }
-
- int SSL_get_extms_support(const SSL *ssl) {
- // TLS 1.3 does not require extended master secret and always reports as
- // supporting it.
- if (!ssl->s3->have_version) {
- return 0;
- }
- if (ssl_protocol_version(ssl) >= TLS1_3_VERSION) {
- return 1;
- }
-
- // If the initial handshake completed, query the established session.
- if (ssl->s3->established_session != NULL) {
- return ssl->s3->established_session->extended_master_secret;
- }
-
- // Otherwise, query the in-progress handshake.
- if (ssl->s3->hs != NULL) {
- return ssl->s3->hs->extended_master_secret;
- }
- assert(0);
- return 0;
- }
-
- int SSL_CTX_get_read_ahead(const SSL_CTX *ctx) { return 0; }
-
- int SSL_get_read_ahead(const SSL *ssl) { return 0; }
-
- void SSL_CTX_set_read_ahead(SSL_CTX *ctx, int yes) { }
-
- void SSL_set_read_ahead(SSL *ssl, int yes) { }
-
- int SSL_pending(const SSL *ssl) {
- return static_cast<int>(ssl->s3->pending_app_data.size());
- }
-
- // Fix this so it checks all the valid key/cert options
- int SSL_CTX_check_private_key(const SSL_CTX *ctx) {
- return ssl_cert_check_private_key(ctx->cert, ctx->cert->privatekey.get());
- }
-
- // Fix this function so that it takes an optional type parameter
- int SSL_check_private_key(const SSL *ssl) {
- return ssl_cert_check_private_key(ssl->cert, ssl->cert->privatekey.get());
- }
-
- long SSL_get_default_timeout(const SSL *ssl) {
- return SSL_DEFAULT_SESSION_TIMEOUT;
- }
-
- int SSL_renegotiate(SSL *ssl) {
- // Caller-initiated renegotiation is not supported.
- OPENSSL_PUT_ERROR(SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
- return 0;
- }
-
- int SSL_renegotiate_pending(SSL *ssl) {
- return SSL_in_init(ssl) && ssl->s3->initial_handshake_complete;
- }
-
- int SSL_total_renegotiations(const SSL *ssl) {
- return ssl->s3->total_renegotiations;
- }
-
- size_t SSL_CTX_get_max_cert_list(const SSL_CTX *ctx) {
- return ctx->max_cert_list;
- }
-
- void SSL_CTX_set_max_cert_list(SSL_CTX *ctx, size_t max_cert_list) {
- if (max_cert_list > kMaxHandshakeSize) {
- max_cert_list = kMaxHandshakeSize;
- }
- ctx->max_cert_list = (uint32_t)max_cert_list;
- }
-
- size_t SSL_get_max_cert_list(const SSL *ssl) {
- return ssl->max_cert_list;
- }
-
- void SSL_set_max_cert_list(SSL *ssl, size_t max_cert_list) {
- if (max_cert_list > kMaxHandshakeSize) {
- max_cert_list = kMaxHandshakeSize;
- }
- ssl->max_cert_list = (uint32_t)max_cert_list;
- }
-
- int SSL_CTX_set_max_send_fragment(SSL_CTX *ctx, size_t max_send_fragment) {
- if (max_send_fragment < 512) {
- max_send_fragment = 512;
- }
- if (max_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
- max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
- }
- ctx->max_send_fragment = (uint16_t)max_send_fragment;
-
- return 1;
- }
-
- int SSL_set_max_send_fragment(SSL *ssl, size_t max_send_fragment) {
- if (max_send_fragment < 512) {
- max_send_fragment = 512;
- }
- if (max_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
- max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
- }
- ssl->max_send_fragment = (uint16_t)max_send_fragment;
-
- return 1;
- }
-
- int SSL_set_mtu(SSL *ssl, unsigned mtu) {
- if (!SSL_is_dtls(ssl) || mtu < dtls1_min_mtu()) {
- return 0;
- }
- ssl->d1->mtu = mtu;
- return 1;
- }
-
- int SSL_get_secure_renegotiation_support(const SSL *ssl) {
- if (!ssl->s3->have_version) {
- return 0;
- }
- return ssl_protocol_version(ssl) >= TLS1_3_VERSION ||
- ssl->s3->send_connection_binding;
- }
-
- size_t SSL_CTX_sess_number(const SSL_CTX *ctx) {
- MutexReadLock lock(const_cast<CRYPTO_MUTEX *>(&ctx->lock));
- return lh_SSL_SESSION_num_items(ctx->sessions);
- }
-
- unsigned long SSL_CTX_sess_set_cache_size(SSL_CTX *ctx, unsigned long size) {
- unsigned long ret = ctx->session_cache_size;
- ctx->session_cache_size = size;
- return ret;
- }
-
- unsigned long SSL_CTX_sess_get_cache_size(const SSL_CTX *ctx) {
- return ctx->session_cache_size;
- }
-
- int SSL_CTX_set_session_cache_mode(SSL_CTX *ctx, int mode) {
- int ret = ctx->session_cache_mode;
- ctx->session_cache_mode = mode;
- return ret;
- }
-
- int SSL_CTX_get_session_cache_mode(const SSL_CTX *ctx) {
- return ctx->session_cache_mode;
- }
-
-
- int SSL_CTX_get_tlsext_ticket_keys(SSL_CTX *ctx, void *out, size_t len) {
- if (out == NULL) {
- return 48;
- }
- if (len != 48) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_INVALID_TICKET_KEYS_LENGTH);
- return 0;
- }
-
- // The default ticket keys are initialized lazily. Trigger a key
- // rotation to initialize them.
- if (!ssl_ctx_rotate_ticket_encryption_key(ctx)) {
- return 0;
- }
-
- uint8_t *out_bytes = reinterpret_cast<uint8_t *>(out);
- MutexReadLock lock(&ctx->lock);
- OPENSSL_memcpy(out_bytes, ctx->tlsext_ticket_key_current->name, 16);
- OPENSSL_memcpy(out_bytes + 16, ctx->tlsext_ticket_key_current->hmac_key, 16);
- OPENSSL_memcpy(out_bytes + 32, ctx->tlsext_ticket_key_current->aes_key, 16);
- return 1;
- }
-
- int SSL_CTX_set_tlsext_ticket_keys(SSL_CTX *ctx, const void *in, size_t len) {
- if (in == NULL) {
- return 48;
- }
- if (len != 48) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_INVALID_TICKET_KEYS_LENGTH);
- return 0;
- }
- if (!ctx->tlsext_ticket_key_current) {
- ctx->tlsext_ticket_key_current =
- (tlsext_ticket_key *)OPENSSL_malloc(sizeof(tlsext_ticket_key));
- if (!ctx->tlsext_ticket_key_current) {
- return 0;
- }
- }
- OPENSSL_memset(ctx->tlsext_ticket_key_current, 0, sizeof(tlsext_ticket_key));
- const uint8_t *in_bytes = reinterpret_cast<const uint8_t *>(in);
- OPENSSL_memcpy(ctx->tlsext_ticket_key_current->name, in_bytes, 16);
- OPENSSL_memcpy(ctx->tlsext_ticket_key_current->hmac_key, in_bytes + 16, 16);
- OPENSSL_memcpy(ctx->tlsext_ticket_key_current->aes_key, in_bytes + 32, 16);
- OPENSSL_free(ctx->tlsext_ticket_key_prev);
- ctx->tlsext_ticket_key_prev = nullptr;
- // Disable automatic key rotation.
- ctx->tlsext_ticket_key_current->next_rotation_tv_sec = 0;
- return 1;
- }
-
- int SSL_CTX_set_tlsext_ticket_key_cb(
- SSL_CTX *ctx, int (*callback)(SSL *ssl, uint8_t *key_name, uint8_t *iv,
- EVP_CIPHER_CTX *ctx, HMAC_CTX *hmac_ctx,
- int encrypt)) {
- ctx->tlsext_ticket_key_cb = callback;
- return 1;
- }
-
- int SSL_CTX_set1_curves(SSL_CTX *ctx, const int *curves, size_t curves_len) {
- return tls1_set_curves(&ctx->supported_group_list,
- &ctx->supported_group_list_len, curves,
- curves_len);
- }
-
- int SSL_set1_curves(SSL *ssl, const int *curves, size_t curves_len) {
- return tls1_set_curves(&ssl->supported_group_list,
- &ssl->supported_group_list_len, curves,
- curves_len);
- }
-
- int SSL_CTX_set1_curves_list(SSL_CTX *ctx, const char *curves) {
- return tls1_set_curves_list(&ctx->supported_group_list,
- &ctx->supported_group_list_len, curves);
- }
-
- int SSL_set1_curves_list(SSL *ssl, const char *curves) {
- return tls1_set_curves_list(&ssl->supported_group_list,
- &ssl->supported_group_list_len, curves);
- }
-
- uint16_t SSL_get_curve_id(const SSL *ssl) {
- // TODO(davidben): This checks the wrong session if there is a renegotiation
- // in progress.
- SSL_SESSION *session = SSL_get_session(ssl);
- if (session == NULL) {
- return 0;
- }
-
- return session->group_id;
- }
-
- int SSL_CTX_set_tmp_dh(SSL_CTX *ctx, const DH *dh) {
- return 1;
- }
-
- int SSL_set_tmp_dh(SSL *ssl, const DH *dh) {
- return 1;
- }
-
- STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx) {
- return ctx->cipher_list->ciphers.get();
- }
-
- int SSL_CTX_cipher_in_group(const SSL_CTX *ctx, size_t i) {
- if (i >= sk_SSL_CIPHER_num(ctx->cipher_list->ciphers.get())) {
- return 0;
- }
- return ctx->cipher_list->in_group_flags[i];
- }
-
- STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *ssl) {
- if (ssl == NULL) {
- return NULL;
- }
-
- const SSLCipherPreferenceList *prefs = ssl_get_cipher_preferences(ssl);
- return prefs == nullptr ? nullptr : prefs->ciphers.get();
- }
-
- const char *SSL_get_cipher_list(const SSL *ssl, int n) {
- if (ssl == NULL) {
- return NULL;
- }
-
- STACK_OF(SSL_CIPHER) *sk = SSL_get_ciphers(ssl);
- if (sk == NULL || n < 0 || (size_t)n >= sk_SSL_CIPHER_num(sk)) {
- return NULL;
- }
-
- const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, n);
- if (c == NULL) {
- return NULL;
- }
-
- return c->name;
- }
-
- int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) {
- return ssl_create_cipher_list(&ctx->cipher_list, str, false /* not strict */);
- }
-
- int SSL_CTX_set_strict_cipher_list(SSL_CTX *ctx, const char *str) {
- return ssl_create_cipher_list(&ctx->cipher_list, str, true /* strict */);
- }
-
- int SSL_set_cipher_list(SSL *ssl, const char *str) {
- return ssl_create_cipher_list(&ssl->cipher_list, str, false /* not strict */);
- }
-
- int SSL_set_strict_cipher_list(SSL *ssl, const char *str) {
- return ssl_create_cipher_list(&ssl->cipher_list, str, true /* strict */);
- }
-
- const char *SSL_get_servername(const SSL *ssl, const int type) {
- if (type != TLSEXT_NAMETYPE_host_name) {
- return NULL;
- }
-
- // Historically, |SSL_get_servername| was also the configuration getter
- // corresponding to |SSL_set_tlsext_host_name|.
- if (ssl->tlsext_hostname != NULL) {
- return ssl->tlsext_hostname;
- }
-
- return ssl->s3->hostname.get();
- }
-
- int SSL_get_servername_type(const SSL *ssl) {
- if (SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name) == NULL) {
- return -1;
- }
- return TLSEXT_NAMETYPE_host_name;
- }
-
- void SSL_CTX_set_custom_verify(
- SSL_CTX *ctx, int mode,
- enum ssl_verify_result_t (*callback)(SSL *ssl, uint8_t *out_alert)) {
- ctx->verify_mode = mode;
- ctx->custom_verify_callback = callback;
- }
-
- void SSL_set_custom_verify(
- SSL *ssl, int mode,
- enum ssl_verify_result_t (*callback)(SSL *ssl, uint8_t *out_alert)) {
- ssl->verify_mode = mode;
- ssl->custom_verify_callback = callback;
- }
-
- void SSL_CTX_enable_signed_cert_timestamps(SSL_CTX *ctx) {
- ctx->signed_cert_timestamps_enabled = true;
- }
-
- void SSL_enable_signed_cert_timestamps(SSL *ssl) {
- ssl->signed_cert_timestamps_enabled = true;
- }
-
- void SSL_CTX_enable_ocsp_stapling(SSL_CTX *ctx) {
- ctx->ocsp_stapling_enabled = true;
- }
-
- void SSL_enable_ocsp_stapling(SSL *ssl) {
- ssl->ocsp_stapling_enabled = true;
- }
-
- void SSL_get0_signed_cert_timestamp_list(const SSL *ssl, const uint8_t **out,
- size_t *out_len) {
- SSL_SESSION *session = SSL_get_session(ssl);
- if (ssl->server || !session || !session->signed_cert_timestamp_list) {
- *out_len = 0;
- *out = NULL;
- return;
- }
-
- *out = CRYPTO_BUFFER_data(session->signed_cert_timestamp_list);
- *out_len = CRYPTO_BUFFER_len(session->signed_cert_timestamp_list);
- }
-
- void SSL_get0_ocsp_response(const SSL *ssl, const uint8_t **out,
- size_t *out_len) {
- SSL_SESSION *session = SSL_get_session(ssl);
- if (ssl->server || !session || !session->ocsp_response) {
- *out_len = 0;
- *out = NULL;
- return;
- }
-
- *out = CRYPTO_BUFFER_data(session->ocsp_response);
- *out_len = CRYPTO_BUFFER_len(session->ocsp_response);
- }
-
- int SSL_set_tlsext_host_name(SSL *ssl, const char *name) {
- OPENSSL_free(ssl->tlsext_hostname);
- ssl->tlsext_hostname = NULL;
-
- if (name == NULL) {
- return 1;
- }
-
- size_t len = strlen(name);
- if (len == 0 || len > TLSEXT_MAXLEN_host_name) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_SSL3_EXT_INVALID_SERVERNAME);
- return 0;
- }
- ssl->tlsext_hostname = BUF_strdup(name);
- if (ssl->tlsext_hostname == NULL) {
- OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- return 1;
- }
-
- int SSL_CTX_set_tlsext_servername_callback(
- SSL_CTX *ctx, int (*callback)(SSL *ssl, int *out_alert, void *arg)) {
- ctx->tlsext_servername_callback = callback;
- return 1;
- }
-
- int SSL_CTX_set_tlsext_servername_arg(SSL_CTX *ctx, void *arg) {
- ctx->tlsext_servername_arg = arg;
- return 1;
- }
-
- int SSL_select_next_proto(uint8_t **out, uint8_t *out_len, const uint8_t *peer,
- unsigned peer_len, const uint8_t *supported,
- unsigned supported_len) {
- const uint8_t *result;
- int status;
-
- // For each protocol in peer preference order, see if we support it.
- for (unsigned i = 0; i < peer_len;) {
- for (unsigned j = 0; j < supported_len;) {
- if (peer[i] == supported[j] &&
- OPENSSL_memcmp(&peer[i + 1], &supported[j + 1], peer[i]) == 0) {
- // We found a match
- result = &peer[i];
- status = OPENSSL_NPN_NEGOTIATED;
- goto found;
- }
- j += supported[j];
- j++;
- }
- i += peer[i];
- i++;
- }
-
- // There's no overlap between our protocols and the peer's list.
- result = supported;
- status = OPENSSL_NPN_NO_OVERLAP;
-
- found:
- *out = (uint8_t *)result + 1;
- *out_len = result[0];
- return status;
- }
-
- void SSL_get0_next_proto_negotiated(const SSL *ssl, const uint8_t **out_data,
- unsigned *out_len) {
- *out_data = ssl->s3->next_proto_negotiated.data();
- *out_len = ssl->s3->next_proto_negotiated.size();
- }
-
- void SSL_CTX_set_next_protos_advertised_cb(
- SSL_CTX *ctx,
- int (*cb)(SSL *ssl, const uint8_t **out, unsigned *out_len, void *arg),
- void *arg) {
- ctx->next_protos_advertised_cb = cb;
- ctx->next_protos_advertised_cb_arg = arg;
- }
-
- void SSL_CTX_set_next_proto_select_cb(
- SSL_CTX *ctx, int (*cb)(SSL *ssl, uint8_t **out, uint8_t *out_len,
- const uint8_t *in, unsigned in_len, void *arg),
- void *arg) {
- ctx->next_proto_select_cb = cb;
- ctx->next_proto_select_cb_arg = arg;
- }
-
- int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const uint8_t *protos,
- unsigned protos_len) {
- OPENSSL_free(ctx->alpn_client_proto_list);
- ctx->alpn_client_proto_list = (uint8_t *)BUF_memdup(protos, protos_len);
- if (!ctx->alpn_client_proto_list) {
- return 1;
- }
- ctx->alpn_client_proto_list_len = protos_len;
-
- return 0;
- }
-
- int SSL_set_alpn_protos(SSL *ssl, const uint8_t *protos, unsigned protos_len) {
- OPENSSL_free(ssl->alpn_client_proto_list);
- ssl->alpn_client_proto_list = (uint8_t *)BUF_memdup(protos, protos_len);
- if (!ssl->alpn_client_proto_list) {
- return 1;
- }
- ssl->alpn_client_proto_list_len = protos_len;
-
- return 0;
- }
-
- void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
- int (*cb)(SSL *ssl, const uint8_t **out,
- uint8_t *out_len, const uint8_t *in,
- unsigned in_len, void *arg),
- void *arg) {
- ctx->alpn_select_cb = cb;
- ctx->alpn_select_cb_arg = arg;
- }
-
- void SSL_get0_alpn_selected(const SSL *ssl, const uint8_t **out_data,
- unsigned *out_len) {
- if (SSL_in_early_data(ssl) && !ssl->server) {
- *out_data = ssl->s3->hs->early_session->early_alpn;
- *out_len = ssl->s3->hs->early_session->early_alpn_len;
- } else {
- *out_data = ssl->s3->alpn_selected.data();
- *out_len = ssl->s3->alpn_selected.size();
- }
- }
-
- void SSL_CTX_set_allow_unknown_alpn_protos(SSL_CTX *ctx, int enabled) {
- ctx->allow_unknown_alpn_protos = !!enabled;
- }
-
- void SSL_CTX_set_tls_channel_id_enabled(SSL_CTX *ctx, int enabled) {
- ctx->tlsext_channel_id_enabled = !!enabled;
- }
-
- int SSL_CTX_enable_tls_channel_id(SSL_CTX *ctx) {
- SSL_CTX_set_tls_channel_id_enabled(ctx, 1);
- return 1;
- }
-
- void SSL_set_tls_channel_id_enabled(SSL *ssl, int enabled) {
- ssl->tlsext_channel_id_enabled = !!enabled;
- }
-
- int SSL_enable_tls_channel_id(SSL *ssl) {
- SSL_set_tls_channel_id_enabled(ssl, 1);
- return 1;
- }
-
- static int is_p256_key(EVP_PKEY *private_key) {
- const EC_KEY *ec_key = EVP_PKEY_get0_EC_KEY(private_key);
- return ec_key != NULL &&
- EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key)) ==
- NID_X9_62_prime256v1;
- }
-
- int SSL_CTX_set1_tls_channel_id(SSL_CTX *ctx, EVP_PKEY *private_key) {
- if (!is_p256_key(private_key)) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_CHANNEL_ID_NOT_P256);
- return 0;
- }
-
- EVP_PKEY_free(ctx->tlsext_channel_id_private);
- EVP_PKEY_up_ref(private_key);
- ctx->tlsext_channel_id_private = private_key;
- ctx->tlsext_channel_id_enabled = true;
-
- return 1;
- }
-
- int SSL_set1_tls_channel_id(SSL *ssl, EVP_PKEY *private_key) {
- if (!is_p256_key(private_key)) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_CHANNEL_ID_NOT_P256);
- return 0;
- }
-
- EVP_PKEY_free(ssl->tlsext_channel_id_private);
- EVP_PKEY_up_ref(private_key);
- ssl->tlsext_channel_id_private = private_key;
- ssl->tlsext_channel_id_enabled = true;
-
- return 1;
- }
-
- size_t SSL_get_tls_channel_id(SSL *ssl, uint8_t *out, size_t max_out) {
- if (!ssl->s3->tlsext_channel_id_valid) {
- return 0;
- }
- OPENSSL_memcpy(out, ssl->s3->tlsext_channel_id,
- (max_out < 64) ? max_out : 64);
- return 64;
- }
-
- int SSL_set_token_binding_params(SSL *ssl, const uint8_t *params, size_t len) {
- if (len > 256) {
- OPENSSL_PUT_ERROR(SSL, ERR_R_OVERFLOW);
- return 0;
- }
- OPENSSL_free(ssl->token_binding_params);
- ssl->token_binding_params = (uint8_t *)BUF_memdup(params, len);
- if (!ssl->token_binding_params) {
- return 0;
- }
- ssl->token_binding_params_len = len;
- return 1;
- }
-
- int SSL_is_token_binding_negotiated(const SSL *ssl) {
- return ssl->s3->token_binding_negotiated;
- }
-
- uint8_t SSL_get_negotiated_token_binding_param(const SSL *ssl) {
- return ssl->s3->negotiated_token_binding_param;
- }
-
- size_t SSL_get0_certificate_types(SSL *ssl, const uint8_t **out_types) {
- if (ssl->server || ssl->s3->hs == NULL) {
- *out_types = NULL;
- return 0;
- }
- *out_types = ssl->s3->hs->certificate_types.data();
- return ssl->s3->hs->certificate_types.size();
- }
-
- EVP_PKEY *SSL_get_privatekey(const SSL *ssl) {
- if (ssl->cert != NULL) {
- return ssl->cert->privatekey.get();
- }
-
- return NULL;
- }
-
- EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) {
- if (ctx->cert != NULL) {
- return ctx->cert->privatekey.get();
- }
-
- return NULL;
- }
-
- const SSL_CIPHER *SSL_get_current_cipher(const SSL *ssl) {
- return ssl->s3->aead_write_ctx->cipher();
- }
-
- int SSL_session_reused(const SSL *ssl) {
- return ssl->s3->session_reused || SSL_in_early_data(ssl);
- }
-
- const COMP_METHOD *SSL_get_current_compression(SSL *ssl) { return NULL; }
-
- const COMP_METHOD *SSL_get_current_expansion(SSL *ssl) { return NULL; }
-
- int *SSL_get_server_tmp_key(SSL *ssl, EVP_PKEY **out_key) { return 0; }
-
- void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) {
- ctx->quiet_shutdown = (mode != 0);
- }
-
- int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) {
- return ctx->quiet_shutdown;
- }
-
- void SSL_set_quiet_shutdown(SSL *ssl, int mode) {
- ssl->quiet_shutdown = (mode != 0);
- }
-
- int SSL_get_quiet_shutdown(const SSL *ssl) { return ssl->quiet_shutdown; }
-
- void SSL_set_shutdown(SSL *ssl, int mode) {
- // It is an error to clear any bits that have already been set. (We can't try
- // to get a second close_notify or send two.)
- assert((SSL_get_shutdown(ssl) & mode) == SSL_get_shutdown(ssl));
-
- if (mode & SSL_RECEIVED_SHUTDOWN &&
- ssl->s3->read_shutdown == ssl_shutdown_none) {
- ssl->s3->read_shutdown = ssl_shutdown_close_notify;
- }
-
- if (mode & SSL_SENT_SHUTDOWN &&
- ssl->s3->write_shutdown == ssl_shutdown_none) {
- ssl->s3->write_shutdown = ssl_shutdown_close_notify;
- }
- }
-
- int SSL_get_shutdown(const SSL *ssl) {
- int ret = 0;
- if (ssl->s3->read_shutdown != ssl_shutdown_none) {
- // Historically, OpenSSL set |SSL_RECEIVED_SHUTDOWN| on both close_notify
- // and fatal alert.
- ret |= SSL_RECEIVED_SHUTDOWN;
- }
- if (ssl->s3->write_shutdown == ssl_shutdown_close_notify) {
- // Historically, OpenSSL set |SSL_SENT_SHUTDOWN| on only close_notify.
- ret |= SSL_SENT_SHUTDOWN;
- }
- return ret;
- }
-
- SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) { return ssl->ctx; }
-
- SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) {
- if (ssl->ctx == ctx) {
- return ssl->ctx;
- }
-
- // One cannot change the X.509 callbacks during a connection.
- if (ssl->ctx->x509_method != ctx->x509_method) {
- assert(0);
- return NULL;
- }
-
- if (ctx == NULL) {
- ctx = ssl->session_ctx;
- }
-
- Delete(ssl->cert);
- ssl->cert = ssl_cert_dup(ctx->cert).release();
-
- SSL_CTX_up_ref(ctx);
- SSL_CTX_free(ssl->ctx);
- ssl->ctx = ctx;
-
- return ssl->ctx;
- }
-
- void SSL_set_info_callback(SSL *ssl,
- void (*cb)(const SSL *ssl, int type, int value)) {
- ssl->info_callback = cb;
- }
-
- void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, int type,
- int value) {
- return ssl->info_callback;
- }
-
- int SSL_state(const SSL *ssl) {
- return SSL_in_init(ssl) ? SSL_ST_INIT : SSL_ST_OK;
- }
-
- void SSL_set_state(SSL *ssl, int state) { }
-
- char *SSL_get_shared_ciphers(const SSL *ssl, char *buf, int len) {
- if (len <= 0) {
- return NULL;
- }
- buf[0] = '\0';
- return buf;
- }
-
- int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_unused *unused,
- CRYPTO_EX_dup *dup_unused, CRYPTO_EX_free *free_func) {
- int index;
- if (!CRYPTO_get_ex_new_index(&g_ex_data_class_ssl, &index, argl, argp,
- free_func)) {
- return -1;
- }
- return index;
- }
-
- int SSL_set_ex_data(SSL *ssl, int idx, void *data) {
- return CRYPTO_set_ex_data(&ssl->ex_data, idx, data);
- }
-
- void *SSL_get_ex_data(const SSL *ssl, int idx) {
- return CRYPTO_get_ex_data(&ssl->ex_data, idx);
- }
-
- int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_unused *unused,
- CRYPTO_EX_dup *dup_unused,
- CRYPTO_EX_free *free_func) {
- int index;
- if (!CRYPTO_get_ex_new_index(&g_ex_data_class_ssl_ctx, &index, argl, argp,
- free_func)) {
- return -1;
- }
- return index;
- }
-
- int SSL_CTX_set_ex_data(SSL_CTX *ctx, int idx, void *data) {
- return CRYPTO_set_ex_data(&ctx->ex_data, idx, data);
- }
-
- void *SSL_CTX_get_ex_data(const SSL_CTX *ctx, int idx) {
- return CRYPTO_get_ex_data(&ctx->ex_data, idx);
- }
-
- int SSL_want(const SSL *ssl) { return ssl->s3->rwstate; }
-
- void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,
- RSA *(*cb)(SSL *ssl, int is_export,
- int keylength)) {}
-
- void SSL_set_tmp_rsa_callback(SSL *ssl, RSA *(*cb)(SSL *ssl, int is_export,
- int keylength)) {}
-
- void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
- DH *(*cb)(SSL *ssl, int is_export,
- int keylength)) {}
-
- void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*cb)(SSL *ssl, int is_export,
- int keylength)) {}
-
- static int use_psk_identity_hint(char **out, const char *identity_hint) {
- if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) {
- OPENSSL_PUT_ERROR(SSL, SSL_R_DATA_LENGTH_TOO_LONG);
- return 0;
- }
-
- // Clear currently configured hint, if any.
- OPENSSL_free(*out);
- *out = NULL;
-
- // Treat the empty hint as not supplying one. Plain PSK makes it possible to
- // send either no hint (omit ServerKeyExchange) or an empty hint, while
- // ECDHE_PSK can only spell empty hint. Having different capabilities is odd,
- // so we interpret empty and missing as identical.
- if (identity_hint != NULL && identity_hint[0] != '\0') {
- *out = BUF_strdup(identity_hint);
- if (*out == NULL) {
- return 0;
- }
- }
-
- return 1;
- }
-
- int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) {
- return use_psk_identity_hint(&ctx->psk_identity_hint, identity_hint);
- }
-
- int SSL_use_psk_identity_hint(SSL *ssl, const char *identity_hint) {
- return use_psk_identity_hint(&ssl->psk_identity_hint, identity_hint);
- }
-
- const char *SSL_get_psk_identity_hint(const SSL *ssl) {
- if (ssl == NULL) {
- return NULL;
- }
- return ssl->psk_identity_hint;
- }
-
- const char *SSL_get_psk_identity(const SSL *ssl) {
- if (ssl == NULL) {
- return NULL;
- }
- SSL_SESSION *session = SSL_get_session(ssl);
- if (session == NULL) {
- return NULL;
- }
- return session->psk_identity;
- }
-
- void SSL_set_psk_client_callback(
- SSL *ssl, unsigned (*cb)(SSL *ssl, const char *hint, char *identity,
- unsigned max_identity_len, uint8_t *psk,
- unsigned max_psk_len)) {
- ssl->psk_client_callback = cb;
- }
-
- void SSL_CTX_set_psk_client_callback(
- SSL_CTX *ctx, unsigned (*cb)(SSL *ssl, const char *hint, char *identity,
- unsigned max_identity_len, uint8_t *psk,
- unsigned max_psk_len)) {
- ctx->psk_client_callback = cb;
- }
-
- void SSL_set_psk_server_callback(
- SSL *ssl, unsigned (*cb)(SSL *ssl, const char *identity, uint8_t *psk,
- unsigned max_psk_len)) {
- ssl->psk_server_callback = cb;
- }
-
- void SSL_CTX_set_psk_server_callback(
- SSL_CTX *ctx, unsigned (*cb)(SSL *ssl, const char *identity,
- uint8_t *psk, unsigned max_psk_len)) {
- ctx->psk_server_callback = cb;
- }
-
- int SSL_set_dummy_pq_padding_size(SSL *ssl, size_t num_bytes) {
- if (num_bytes > 0xffff) {
- return 0;
- }
-
- ssl->dummy_pq_padding_len = num_bytes;
- return 1;
- }
-
- int SSL_dummy_pq_padding_used(SSL *ssl) {
- if (ssl->server) {
- return 0;
- }
-
- return ssl->did_dummy_pq_padding;
- }
-
- void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
- void (*cb)(int write_p, int version,
- int content_type, const void *buf,
- size_t len, SSL *ssl, void *arg)) {
- ctx->msg_callback = cb;
- }
-
- void SSL_CTX_set_msg_callback_arg(SSL_CTX *ctx, void *arg) {
- ctx->msg_callback_arg = arg;
- }
-
- void SSL_set_msg_callback(SSL *ssl,
- void (*cb)(int write_p, int version, int content_type,
- const void *buf, size_t len, SSL *ssl,
- void *arg)) {
- ssl->msg_callback = cb;
- }
-
- void SSL_set_msg_callback_arg(SSL *ssl, void *arg) {
- ssl->msg_callback_arg = arg;
- }
-
- void SSL_CTX_set_keylog_callback(SSL_CTX *ctx,
- void (*cb)(const SSL *ssl, const char *line)) {
- ctx->keylog_callback = cb;
- }
-
- void (*SSL_CTX_get_keylog_callback(const SSL_CTX *ctx))(const SSL *ssl,
- const char *line) {
- return ctx->keylog_callback;
- }
-
- void SSL_CTX_set_current_time_cb(SSL_CTX *ctx,
- void (*cb)(const SSL *ssl,
- struct timeval *out_clock)) {
- ctx->current_time_cb = cb;
- }
-
- int SSL_is_init_finished(const SSL *ssl) {
- return !SSL_in_init(ssl);
- }
-
- int SSL_in_init(const SSL *ssl) {
- // This returns false once all the handshake state has been finalized, to
- // allow callbacks and getters based on SSL_in_init to return the correct
- // values.
- SSL_HANDSHAKE *hs = ssl->s3->hs.get();
- return hs != nullptr && !hs->handshake_finalized;
- }
-
- int SSL_in_false_start(const SSL *ssl) {
- if (ssl->s3->hs == NULL) {
- return 0;
- }
- return ssl->s3->hs->in_false_start;
- }
-
- int SSL_cutthrough_complete(const SSL *ssl) {
- return SSL_in_false_start(ssl);
- }
-
- void SSL_get_structure_sizes(size_t *ssl_size, size_t *ssl_ctx_size,
- size_t *ssl_session_size) {
- *ssl_size = sizeof(SSL);
- *ssl_ctx_size = sizeof(SSL_CTX);
- *ssl_session_size = sizeof(SSL_SESSION);
- }
-
- int SSL_is_server(const SSL *ssl) { return ssl->server; }
-
- int SSL_is_dtls(const SSL *ssl) { return ssl->method->is_dtls; }
-
- void SSL_CTX_set_select_certificate_cb(
- SSL_CTX *ctx,
- enum ssl_select_cert_result_t (*cb)(const SSL_CLIENT_HELLO *)) {
- ctx->select_certificate_cb = cb;
- }
-
- void SSL_CTX_set_dos_protection_cb(SSL_CTX *ctx,
- int (*cb)(const SSL_CLIENT_HELLO *)) {
- ctx->dos_protection_cb = cb;
- }
-
- void SSL_set_renegotiate_mode(SSL *ssl, enum ssl_renegotiate_mode_t mode) {
- ssl->renegotiate_mode = mode;
- }
-
- int SSL_get_ivs(const SSL *ssl, const uint8_t **out_read_iv,
- const uint8_t **out_write_iv, size_t *out_iv_len) {
- size_t write_iv_len;
- if (!ssl->s3->aead_read_ctx->GetIV(out_read_iv, out_iv_len) ||
- !ssl->s3->aead_write_ctx->GetIV(out_write_iv, &write_iv_len) ||
- *out_iv_len != write_iv_len) {
- return 0;
- }
-
- return 1;
- }
-
- static uint64_t be_to_u64(const uint8_t in[8]) {
- return (((uint64_t)in[0]) << 56) | (((uint64_t)in[1]) << 48) |
- (((uint64_t)in[2]) << 40) | (((uint64_t)in[3]) << 32) |
- (((uint64_t)in[4]) << 24) | (((uint64_t)in[5]) << 16) |
- (((uint64_t)in[6]) << 8) | ((uint64_t)in[7]);
- }
-
- uint64_t SSL_get_read_sequence(const SSL *ssl) {
- // TODO(davidben): Internally represent sequence numbers as uint64_t.
- if (SSL_is_dtls(ssl)) {
- // max_seq_num already includes the epoch.
- assert(ssl->d1->r_epoch == (ssl->d1->bitmap.max_seq_num >> 48));
- return ssl->d1->bitmap.max_seq_num;
- }
- return be_to_u64(ssl->s3->read_sequence);
- }
-
- uint64_t SSL_get_write_sequence(const SSL *ssl) {
- uint64_t ret = be_to_u64(ssl->s3->write_sequence);
- if (SSL_is_dtls(ssl)) {
- assert((ret >> 48) == 0);
- ret |= ((uint64_t)ssl->d1->w_epoch) << 48;
- }
- return ret;
- }
-
- uint16_t SSL_get_peer_signature_algorithm(const SSL *ssl) {
- // TODO(davidben): This checks the wrong session if there is a renegotiation
- // in progress.
- SSL_SESSION *session = SSL_get_session(ssl);
- if (session == NULL) {
- return 0;
- }
-
- return session->peer_signature_algorithm;
- }
-
- size_t SSL_get_client_random(const SSL *ssl, uint8_t *out, size_t max_out) {
- if (max_out == 0) {
- return sizeof(ssl->s3->client_random);
- }
- if (max_out > sizeof(ssl->s3->client_random)) {
- max_out = sizeof(ssl->s3->client_random);
- }
- OPENSSL_memcpy(out, ssl->s3->client_random, max_out);
- return max_out;
- }
-
- size_t SSL_get_server_random(const SSL *ssl, uint8_t *out, size_t max_out) {
- if (max_out == 0) {
- return sizeof(ssl->s3->server_random);
- }
- if (max_out > sizeof(ssl->s3->server_random)) {
- max_out = sizeof(ssl->s3->server_random);
- }
- OPENSSL_memcpy(out, ssl->s3->server_random, max_out);
- return max_out;
- }
-
- const SSL_CIPHER *SSL_get_pending_cipher(const SSL *ssl) {
- SSL_HANDSHAKE *hs = ssl->s3->hs.get();
- if (hs == NULL) {
- return NULL;
- }
- return hs->new_cipher;
- }
-
- void SSL_set_retain_only_sha256_of_client_certs(SSL *ssl, int enabled) {
- ssl->retain_only_sha256_of_client_certs = !!enabled;
- }
-
- void SSL_CTX_set_retain_only_sha256_of_client_certs(SSL_CTX *ctx, int enabled) {
- ctx->retain_only_sha256_of_client_certs = !!enabled;
- }
-
- void SSL_CTX_set_grease_enabled(SSL_CTX *ctx, int enabled) {
- ctx->grease_enabled = !!enabled;
- }
-
- int32_t SSL_get_ticket_age_skew(const SSL *ssl) {
- return ssl->s3->ticket_age_skew;
- }
-
- void SSL_CTX_set_false_start_allowed_without_alpn(SSL_CTX *ctx, int allowed) {
- ctx->false_start_allowed_without_alpn = !!allowed;
- }
-
- int SSL_is_draft_downgrade(const SSL *ssl) { return ssl->s3->draft_downgrade; }
-
- int SSL_clear(SSL *ssl) {
- // In OpenSSL, reusing a client |SSL| with |SSL_clear| causes the previously
- // established session to be offered the next time around. wpa_supplicant
- // depends on this behavior, so emulate it.
- UniquePtr<SSL_SESSION> session;
- if (!ssl->server && ssl->s3->established_session != NULL) {
- session.reset(ssl->s3->established_session.get());
- SSL_SESSION_up_ref(session.get());
- }
-
- // The ssl->d1->mtu is simultaneously configuration (preserved across
- // clear) and connection-specific state (gets reset).
- //
- // TODO(davidben): Avoid this.
- unsigned mtu = 0;
- if (ssl->d1 != NULL) {
- mtu = ssl->d1->mtu;
- }
-
- ssl->method->ssl_free(ssl);
- if (!ssl->method->ssl_new(ssl)) {
- return 0;
- }
-
- if (SSL_is_dtls(ssl) && (SSL_get_options(ssl) & SSL_OP_NO_QUERY_MTU)) {
- ssl->d1->mtu = mtu;
- }
-
- if (session != nullptr) {
- SSL_set_session(ssl, session.get());
- }
-
- return 1;
- }
-
- int SSL_CTX_sess_connect(const SSL_CTX *ctx) { return 0; }
- int SSL_CTX_sess_connect_good(const SSL_CTX *ctx) { return 0; }
- int SSL_CTX_sess_connect_renegotiate(const SSL_CTX *ctx) { return 0; }
- int SSL_CTX_sess_accept(const SSL_CTX *ctx) { return 0; }
- int SSL_CTX_sess_accept_renegotiate(const SSL_CTX *ctx) { return 0; }
- int SSL_CTX_sess_accept_good(const SSL_CTX *ctx) { return 0; }
- int SSL_CTX_sess_hits(const SSL_CTX *ctx) { return 0; }
- int SSL_CTX_sess_cb_hits(const SSL_CTX *ctx) { return 0; }
- int SSL_CTX_sess_misses(const SSL_CTX *ctx) { return 0; }
- int SSL_CTX_sess_timeouts(const SSL_CTX *ctx) { return 0; }
- int SSL_CTX_sess_cache_full(const SSL_CTX *ctx) { return 0; }
-
- int SSL_num_renegotiations(const SSL *ssl) {
- return SSL_total_renegotiations(ssl);
- }
-
- int SSL_CTX_need_tmp_RSA(const SSL_CTX *ctx) { return 0; }
- int SSL_need_tmp_RSA(const SSL *ssl) { return 0; }
- int SSL_CTX_set_tmp_rsa(SSL_CTX *ctx, const RSA *rsa) { return 1; }
- int SSL_set_tmp_rsa(SSL *ssl, const RSA *rsa) { return 1; }
- void ERR_load_SSL_strings(void) {}
- void SSL_load_error_strings(void) {}
- int SSL_cache_hit(SSL *ssl) { return SSL_session_reused(ssl); }
-
- int SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, const EC_KEY *ec_key) {
- if (ec_key == NULL || EC_KEY_get0_group(ec_key) == NULL) {
- OPENSSL_PUT_ERROR(SSL, ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
- int nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key));
- return SSL_CTX_set1_curves(ctx, &nid, 1);
- }
-
- int SSL_set_tmp_ecdh(SSL *ssl, const EC_KEY *ec_key) {
- if (ec_key == NULL || EC_KEY_get0_group(ec_key) == NULL) {
- OPENSSL_PUT_ERROR(SSL, ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
- int nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key));
- return SSL_set1_curves(ssl, &nid, 1);
- }
-
- void SSL_CTX_set_ticket_aead_method(SSL_CTX *ctx,
- const SSL_TICKET_AEAD_METHOD *aead_method) {
- ctx->ticket_aead_method = aead_method;
- }
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