/* Copyright (C) 1995-1998 Eric Young ([email protected]) * All rights reserved. * * This package is an SSL implementation written * by Eric Young ([email protected]). * 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 ([email protected]). * * 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 ([email protected])" * 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 ([email protected])" * * 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 * [email protected]. * * 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 * ([email protected]). This product includes software written by Tim * Hudson ([email protected]). * */ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. * * Portions of the attached software ("Contribution") are developed by * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. * * The Contribution is licensed pursuant to the OpenSSL open source * license provided above. * * ECC cipher suite support in OpenSSL originally written by * Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories. * */ /* ==================================================================== * 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 <limits.h> #include <string.h> #include <algorithm> #include <utility> #include <openssl/aead.h> #include <openssl/bn.h> #include <openssl/bytestring.h> #include <openssl/ec_key.h> #include <openssl/ecdsa.h> #include <openssl/err.h> #include <openssl/evp.h> #include <openssl/hpke.h> #include <openssl/md5.h> #include <openssl/mem.h> #include <openssl/rand.h> #include <openssl/sha.h> #include "../crypto/internal.h" #include "internal.h" BSSL_NAMESPACE_BEGIN enum ssl_client_hs_state_t { … }; // ssl_get_client_disabled sets |*out_mask_a| and |*out_mask_k| to masks of // disabled algorithms. static void ssl_get_client_disabled(const SSL_HANDSHAKE *hs, uint32_t *out_mask_a, uint32_t *out_mask_k) { … } static bool ssl_add_tls13_cipher(CBB *cbb, uint16_t cipher_id, ssl_compliance_policy_t policy) { … } static bool ssl_write_client_cipher_list(const SSL_HANDSHAKE *hs, CBB *out, ssl_client_hello_type_t type) { … } bool ssl_write_client_hello_without_extensions(const SSL_HANDSHAKE *hs, CBB *cbb, ssl_client_hello_type_t type, bool empty_session_id) { … } bool ssl_add_client_hello(SSL_HANDSHAKE *hs) { … } static bool parse_server_version(const SSL_HANDSHAKE *hs, uint16_t *out_version, uint8_t *out_alert, const ParsedServerHello &server_hello) { … } // should_offer_early_data returns |ssl_early_data_accepted| if |hs| should // offer early data, and some other reason code otherwise. static ssl_early_data_reason_t should_offer_early_data( const SSL_HANDSHAKE *hs) { … } void ssl_done_writing_client_hello(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_start_connect(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_enter_early_data(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_early_reverify_server_certificate(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_read_hello_verify_request(SSL_HANDSHAKE *hs) { … } bool ssl_parse_server_hello(ParsedServerHello *out, uint8_t *out_alert, const SSLMessage &msg) { … } static enum ssl_hs_wait_t do_read_server_hello(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_tls13(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_read_server_certificate(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_read_certificate_status(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_verify_server_certificate(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_reverify_server_certificate(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_read_server_key_exchange(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_read_certificate_request(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_read_server_hello_done(SSL_HANDSHAKE *hs) { … } static bool check_credential(SSL_HANDSHAKE *hs, const SSL_CREDENTIAL *cred, uint16_t *out_sigalg) { … } static enum ssl_hs_wait_t do_send_client_certificate(SSL_HANDSHAKE *hs) { … } static_assert …; static enum ssl_hs_wait_t do_send_client_key_exchange(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_send_client_certificate_verify(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_send_client_finished(SSL_HANDSHAKE *hs) { … } static bool can_false_start(const SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_finish_flight(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_read_session_ticket(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_process_change_cipher_spec(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_read_server_finished(SSL_HANDSHAKE *hs) { … } static enum ssl_hs_wait_t do_finish_client_handshake(SSL_HANDSHAKE *hs) { … } enum ssl_hs_wait_t ssl_client_handshake(SSL_HANDSHAKE *hs) { … } const char *ssl_client_handshake_state(SSL_HANDSHAKE *hs) { … } BSSL_NAMESPACE_END
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