mirror of
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3068 lines
72 KiB
C
Executable File
3068 lines
72 KiB
C
Executable File
/* $OpenBSD: ssl_lib.c,v 1.234 2020/09/24 18:12:00 jsing Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/* ====================================================================
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* Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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/* ====================================================================
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* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
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* ECC cipher suite support in OpenSSL originally developed by
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* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
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*/
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/* ====================================================================
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* Copyright 2005 Nokia. All rights reserved.
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*
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* The portions of the attached software ("Contribution") is developed by
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* Nokia Corporation and is licensed pursuant to the OpenSSL open source
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* license.
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*
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* The Contribution, originally written by Mika Kousa and Pasi Eronen of
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* Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
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* support (see RFC 4279) to OpenSSL.
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*
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* No patent licenses or other rights except those expressly stated in
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* the OpenSSL open source license shall be deemed granted or received
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* expressly, by implication, estoppel, or otherwise.
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*
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* No assurances are provided by Nokia that the Contribution does not
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* infringe the patent or other intellectual property rights of any third
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* party or that the license provides you with all the necessary rights
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* to make use of the Contribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
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* ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
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* SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
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* OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
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* OTHERWISE.
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*/
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include "ssl_locl.h"
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#include <openssl/bn.h>
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#include <openssl/dh.h>
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#include <openssl/lhash.h>
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#include <openssl/objects.h>
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#include <openssl/ocsp.h>
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#include <openssl/x509v3.h>
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#ifndef OPENSSL_NO_ENGINE
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#include <openssl/engine.h>
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#endif
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#include "bytestring.h"
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#include "ssl_sigalgs.h"
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const char *SSL_version_str = OPENSSL_VERSION_TEXT;
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int
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SSL_clear(SSL *s)
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{
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if (s->method == NULL) {
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SSLerror(s, SSL_R_NO_METHOD_SPECIFIED);
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return (0);
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}
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if (ssl_clear_bad_session(s)) {
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SSL_SESSION_free(s->session);
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s->session = NULL;
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}
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s->error = 0;
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s->internal->hit = 0;
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s->internal->shutdown = 0;
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if (s->internal->renegotiate) {
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SSLerror(s, ERR_R_INTERNAL_ERROR);
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return (0);
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}
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s->internal->type = 0;
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s->version = s->method->internal->version;
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s->client_version = s->version;
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s->internal->rwstate = SSL_NOTHING;
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s->internal->rstate = SSL_ST_READ_HEADER;
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tls13_ctx_free(s->internal->tls13);
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s->internal->tls13 = NULL;
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ssl3_release_init_buffer(s);
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ssl_clear_cipher_state(s);
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s->internal->first_packet = 0;
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/*
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* Check to see if we were changed into a different method, if
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* so, revert back if we are not doing session-id reuse.
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*/
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if (!s->internal->in_handshake && (s->session == NULL) &&
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(s->method != s->ctx->method)) {
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s->method->internal->ssl_free(s);
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s->method = s->ctx->method;
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if (!s->method->internal->ssl_new(s))
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return (0);
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} else
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s->method->internal->ssl_clear(s);
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return (1);
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}
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/* Used to change an SSL_CTXs default SSL method type */
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int
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SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth)
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{
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STACK_OF(SSL_CIPHER) *ciphers;
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ctx->method = meth;
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ciphers = ssl_create_cipher_list(ctx->method, &ctx->cipher_list,
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ctx->internal->cipher_list_tls13, SSL_DEFAULT_CIPHER_LIST);
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if (ciphers == NULL || sk_SSL_CIPHER_num(ciphers) <= 0) {
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SSLerrorx(SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
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return (0);
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}
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return (1);
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}
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SSL *
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SSL_new(SSL_CTX *ctx)
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{
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SSL *s;
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if (ctx == NULL) {
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SSLerrorx(SSL_R_NULL_SSL_CTX);
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return (NULL);
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}
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if (ctx->method == NULL) {
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SSLerrorx(SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
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return (NULL);
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}
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if ((s = calloc(1, sizeof(*s))) == NULL)
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goto err;
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if ((s->internal = calloc(1, sizeof(*s->internal))) == NULL)
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goto err;
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s->internal->min_version = ctx->internal->min_version;
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s->internal->max_version = ctx->internal->max_version;
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s->internal->options = ctx->internal->options;
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s->internal->mode = ctx->internal->mode;
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s->internal->max_cert_list = ctx->internal->max_cert_list;
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if ((s->cert = ssl_cert_dup(ctx->internal->cert)) == NULL)
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goto err;
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s->internal->read_ahead = ctx->internal->read_ahead;
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s->internal->msg_callback = ctx->internal->msg_callback;
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s->internal->msg_callback_arg = ctx->internal->msg_callback_arg;
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s->verify_mode = ctx->verify_mode;
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s->sid_ctx_length = ctx->sid_ctx_length;
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OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
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memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx));
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s->internal->verify_callback = ctx->internal->default_verify_callback;
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s->internal->generate_session_id = ctx->internal->generate_session_id;
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s->param = X509_VERIFY_PARAM_new();
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if (!s->param)
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goto err;
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X509_VERIFY_PARAM_inherit(s->param, ctx->param);
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s->internal->quiet_shutdown = ctx->internal->quiet_shutdown;
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s->max_send_fragment = ctx->internal->max_send_fragment;
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CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
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s->ctx = ctx;
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s->internal->tlsext_debug_cb = 0;
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s->internal->tlsext_debug_arg = NULL;
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s->internal->tlsext_ticket_expected = 0;
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s->tlsext_status_type = -1;
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s->internal->tlsext_status_expected = 0;
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s->internal->tlsext_ocsp_ids = NULL;
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s->internal->tlsext_ocsp_exts = NULL;
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s->internal->tlsext_ocsp_resp = NULL;
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s->internal->tlsext_ocsp_resp_len = 0;
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CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
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s->initial_ctx = ctx;
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if (ctx->internal->tlsext_ecpointformatlist != NULL) {
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s->internal->tlsext_ecpointformatlist =
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calloc(ctx->internal->tlsext_ecpointformatlist_length,
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sizeof(ctx->internal->tlsext_ecpointformatlist[0]));
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if (s->internal->tlsext_ecpointformatlist == NULL)
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goto err;
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memcpy(s->internal->tlsext_ecpointformatlist,
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ctx->internal->tlsext_ecpointformatlist,
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ctx->internal->tlsext_ecpointformatlist_length *
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sizeof(ctx->internal->tlsext_ecpointformatlist[0]));
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s->internal->tlsext_ecpointformatlist_length =
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ctx->internal->tlsext_ecpointformatlist_length;
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}
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if (ctx->internal->tlsext_supportedgroups != NULL) {
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s->internal->tlsext_supportedgroups =
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calloc(ctx->internal->tlsext_supportedgroups_length,
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sizeof(ctx->internal->tlsext_supportedgroups[0]));
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if (s->internal->tlsext_supportedgroups == NULL)
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goto err;
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memcpy(s->internal->tlsext_supportedgroups,
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ctx->internal->tlsext_supportedgroups,
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ctx->internal->tlsext_supportedgroups_length *
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sizeof(ctx->internal->tlsext_supportedgroups[0]));
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s->internal->tlsext_supportedgroups_length =
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ctx->internal->tlsext_supportedgroups_length;
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}
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if (s->ctx->internal->alpn_client_proto_list != NULL) {
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s->internal->alpn_client_proto_list =
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malloc(s->ctx->internal->alpn_client_proto_list_len);
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if (s->internal->alpn_client_proto_list == NULL)
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goto err;
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memcpy(s->internal->alpn_client_proto_list,
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s->ctx->internal->alpn_client_proto_list,
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s->ctx->internal->alpn_client_proto_list_len);
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s->internal->alpn_client_proto_list_len =
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s->ctx->internal->alpn_client_proto_list_len;
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}
|
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|
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s->verify_result = X509_V_OK;
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|
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s->method = ctx->method;
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|
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if (!s->method->internal->ssl_new(s))
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goto err;
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if ((s->internal->rl = tls12_record_layer_new()) == NULL)
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goto err;
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|
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s->references = 1;
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s->server = (ctx->method->internal->ssl_accept == ssl_undefined_function) ? 0 : 1;
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SSL_clear(s);
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CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->internal->ex_data);
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return (s);
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err:
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SSL_free(s);
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SSLerrorx(ERR_R_MALLOC_FAILURE);
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return (NULL);
|
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}
|
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|
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int
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SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx,
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unsigned int sid_ctx_len)
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{
|
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if (sid_ctx_len > sizeof ctx->sid_ctx) {
|
|
SSLerrorx(SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
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return (0);
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}
|
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ctx->sid_ctx_length = sid_ctx_len;
|
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memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len);
|
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|
|
return (1);
|
|
}
|
|
|
|
int
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SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
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unsigned int sid_ctx_len)
|
|
{
|
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if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) {
|
|
SSLerror(ssl, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
|
|
return (0);
|
|
}
|
|
ssl->sid_ctx_length = sid_ctx_len;
|
|
memcpy(ssl->sid_ctx, sid_ctx, sid_ctx_len);
|
|
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
|
|
{
|
|
CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
|
|
ctx->internal->generate_session_id = cb;
|
|
CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
|
|
{
|
|
CRYPTO_w_lock(CRYPTO_LOCK_SSL);
|
|
ssl->internal->generate_session_id = cb;
|
|
CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
|
|
unsigned int id_len)
|
|
{
|
|
/*
|
|
* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp
|
|
* shows how we can "construct" a session to give us the desired
|
|
* check - ie. to find if there's a session in the hash table
|
|
* that would conflict with any new session built out of this
|
|
* id/id_len and the ssl_version in use by this SSL.
|
|
*/
|
|
SSL_SESSION r, *p;
|
|
|
|
if (id_len > sizeof r.session_id)
|
|
return (0);
|
|
|
|
r.ssl_version = ssl->version;
|
|
r.session_id_length = id_len;
|
|
memcpy(r.session_id, id, id_len);
|
|
|
|
CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
|
|
p = lh_SSL_SESSION_retrieve(ssl->ctx->internal->sessions, &r);
|
|
CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
|
|
return (p != NULL);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
|
|
{
|
|
return (X509_VERIFY_PARAM_set_purpose(s->param, purpose));
|
|
}
|
|
|
|
int
|
|
SSL_set_purpose(SSL *s, int purpose)
|
|
{
|
|
return (X509_VERIFY_PARAM_set_purpose(s->param, purpose));
|
|
}
|
|
|
|
int
|
|
SSL_CTX_set_trust(SSL_CTX *s, int trust)
|
|
{
|
|
return (X509_VERIFY_PARAM_set_trust(s->param, trust));
|
|
}
|
|
|
|
int
|
|
SSL_set_trust(SSL *s, int trust)
|
|
{
|
|
return (X509_VERIFY_PARAM_set_trust(s->param, trust));
|
|
}
|
|
|
|
int
|
|
SSL_set1_host(SSL *s, const char *hostname)
|
|
{
|
|
struct in_addr ina;
|
|
struct in6_addr in6a;
|
|
|
|
if (hostname != NULL && *hostname != '\0' &&
|
|
(inet_pton(AF_INET, hostname, &ina) == 1 ||
|
|
inet_pton(AF_INET6, hostname, &in6a) == 1))
|
|
return X509_VERIFY_PARAM_set1_ip_asc(s->param, hostname);
|
|
else
|
|
return X509_VERIFY_PARAM_set1_host(s->param, hostname, 0);
|
|
}
|
|
|
|
const char *
|
|
SSL_get0_peername(SSL *s)
|
|
{
|
|
return X509_VERIFY_PARAM_get0_peername(s->param);
|
|
}
|
|
|
|
X509_VERIFY_PARAM *
|
|
SSL_CTX_get0_param(SSL_CTX *ctx)
|
|
{
|
|
return (ctx->param);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm)
|
|
{
|
|
return (X509_VERIFY_PARAM_set1(ctx->param, vpm));
|
|
}
|
|
|
|
X509_VERIFY_PARAM *
|
|
SSL_get0_param(SSL *ssl)
|
|
{
|
|
return (ssl->param);
|
|
}
|
|
|
|
int
|
|
SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)
|
|
{
|
|
return (X509_VERIFY_PARAM_set1(ssl->param, vpm));
|
|
}
|
|
|
|
void
|
|
SSL_free(SSL *s)
|
|
{
|
|
int i;
|
|
|
|
if (s == NULL)
|
|
return;
|
|
|
|
i = CRYPTO_add(&s->references, -1, CRYPTO_LOCK_SSL);
|
|
if (i > 0)
|
|
return;
|
|
|
|
X509_VERIFY_PARAM_free(s->param);
|
|
|
|
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->internal->ex_data);
|
|
|
|
if (s->bbio != NULL) {
|
|
/* If the buffering BIO is in place, pop it off */
|
|
if (s->bbio == s->wbio) {
|
|
s->wbio = BIO_pop(s->wbio);
|
|
}
|
|
BIO_free(s->bbio);
|
|
s->bbio = NULL;
|
|
}
|
|
|
|
if (s->rbio != s->wbio)
|
|
BIO_free_all(s->rbio);
|
|
BIO_free_all(s->wbio);
|
|
|
|
tls13_ctx_free(s->internal->tls13);
|
|
|
|
ssl3_release_init_buffer(s);
|
|
|
|
sk_SSL_CIPHER_free(s->cipher_list);
|
|
sk_SSL_CIPHER_free(s->internal->cipher_list_tls13);
|
|
|
|
/* Make the next call work :-) */
|
|
if (s->session != NULL) {
|
|
ssl_clear_bad_session(s);
|
|
SSL_SESSION_free(s->session);
|
|
}
|
|
|
|
ssl_clear_cipher_state(s);
|
|
|
|
ssl_cert_free(s->cert);
|
|
|
|
free(s->tlsext_hostname);
|
|
SSL_CTX_free(s->initial_ctx);
|
|
|
|
free(s->internal->tlsext_ecpointformatlist);
|
|
free(s->internal->tlsext_supportedgroups);
|
|
|
|
sk_X509_EXTENSION_pop_free(s->internal->tlsext_ocsp_exts,
|
|
X509_EXTENSION_free);
|
|
sk_OCSP_RESPID_pop_free(s->internal->tlsext_ocsp_ids, OCSP_RESPID_free);
|
|
free(s->internal->tlsext_ocsp_resp);
|
|
|
|
sk_X509_NAME_pop_free(s->internal->client_CA, X509_NAME_free);
|
|
|
|
if (s->method != NULL)
|
|
s->method->internal->ssl_free(s);
|
|
|
|
SSL_CTX_free(s->ctx);
|
|
|
|
free(s->internal->alpn_client_proto_list);
|
|
|
|
#ifndef OPENSSL_NO_SRTP
|
|
sk_SRTP_PROTECTION_PROFILE_free(s->internal->srtp_profiles);
|
|
#endif
|
|
|
|
tls12_record_layer_free(s->internal->rl);
|
|
|
|
free(s->internal);
|
|
free(s);
|
|
}
|
|
|
|
int
|
|
SSL_up_ref(SSL *s)
|
|
{
|
|
int refs = CRYPTO_add(&s->references, 1, CRYPTO_LOCK_SSL);
|
|
return (refs > 1) ? 1 : 0;
|
|
}
|
|
|
|
void
|
|
SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio)
|
|
{
|
|
/* If the output buffering BIO is still in place, remove it */
|
|
if (s->bbio != NULL) {
|
|
if (s->wbio == s->bbio) {
|
|
s->wbio = s->wbio->next_bio;
|
|
s->bbio->next_bio = NULL;
|
|
}
|
|
}
|
|
|
|
if (s->rbio != rbio && s->rbio != s->wbio)
|
|
BIO_free_all(s->rbio);
|
|
if (s->wbio != wbio)
|
|
BIO_free_all(s->wbio);
|
|
s->rbio = rbio;
|
|
s->wbio = wbio;
|
|
}
|
|
|
|
BIO *
|
|
SSL_get_rbio(const SSL *s)
|
|
{
|
|
return (s->rbio);
|
|
}
|
|
|
|
BIO *
|
|
SSL_get_wbio(const SSL *s)
|
|
{
|
|
return (s->wbio);
|
|
}
|
|
|
|
int
|
|
SSL_get_fd(const SSL *s)
|
|
{
|
|
return (SSL_get_rfd(s));
|
|
}
|
|
|
|
int
|
|
SSL_get_rfd(const SSL *s)
|
|
{
|
|
int ret = -1;
|
|
BIO *b, *r;
|
|
|
|
b = SSL_get_rbio(s);
|
|
r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR);
|
|
if (r != NULL)
|
|
BIO_get_fd(r, &ret);
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
SSL_get_wfd(const SSL *s)
|
|
{
|
|
int ret = -1;
|
|
BIO *b, *r;
|
|
|
|
b = SSL_get_wbio(s);
|
|
r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR);
|
|
if (r != NULL)
|
|
BIO_get_fd(r, &ret);
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
SSL_set_fd(SSL *s, int fd)
|
|
{
|
|
int ret = 0;
|
|
BIO *bio = NULL;
|
|
|
|
bio = BIO_new(BIO_s_socket());
|
|
|
|
if (bio == NULL) {
|
|
SSLerror(s, ERR_R_BUF_LIB);
|
|
goto err;
|
|
}
|
|
BIO_set_fd(bio, fd, BIO_NOCLOSE);
|
|
SSL_set_bio(s, bio, bio);
|
|
ret = 1;
|
|
err:
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
SSL_set_wfd(SSL *s, int fd)
|
|
{
|
|
int ret = 0;
|
|
BIO *bio = NULL;
|
|
|
|
if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
|
|
|| ((int)BIO_get_fd(s->rbio, NULL) != fd)) {
|
|
bio = BIO_new(BIO_s_socket());
|
|
|
|
if (bio == NULL) {
|
|
SSLerror(s, ERR_R_BUF_LIB);
|
|
goto err;
|
|
}
|
|
BIO_set_fd(bio, fd, BIO_NOCLOSE);
|
|
SSL_set_bio(s, SSL_get_rbio(s), bio);
|
|
} else
|
|
SSL_set_bio(s, SSL_get_rbio(s), SSL_get_rbio(s));
|
|
ret = 1;
|
|
err:
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
SSL_set_rfd(SSL *s, int fd)
|
|
{
|
|
int ret = 0;
|
|
BIO *bio = NULL;
|
|
|
|
if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
|
|
|| ((int)BIO_get_fd(s->wbio, NULL) != fd)) {
|
|
bio = BIO_new(BIO_s_socket());
|
|
|
|
if (bio == NULL) {
|
|
SSLerror(s, ERR_R_BUF_LIB);
|
|
goto err;
|
|
}
|
|
BIO_set_fd(bio, fd, BIO_NOCLOSE);
|
|
SSL_set_bio(s, bio, SSL_get_wbio(s));
|
|
} else
|
|
SSL_set_bio(s, SSL_get_wbio(s), SSL_get_wbio(s));
|
|
ret = 1;
|
|
err:
|
|
return (ret);
|
|
}
|
|
|
|
|
|
/* return length of latest Finished message we sent, copy to 'buf' */
|
|
size_t
|
|
SSL_get_finished(const SSL *s, void *buf, size_t count)
|
|
{
|
|
size_t ret;
|
|
|
|
ret = S3I(s)->tmp.finish_md_len;
|
|
if (count > ret)
|
|
count = ret;
|
|
memcpy(buf, S3I(s)->tmp.finish_md, count);
|
|
return (ret);
|
|
}
|
|
|
|
/* return length of latest Finished message we expected, copy to 'buf' */
|
|
size_t
|
|
SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
|
|
{
|
|
size_t ret;
|
|
|
|
ret = S3I(s)->tmp.peer_finish_md_len;
|
|
if (count > ret)
|
|
count = ret;
|
|
memcpy(buf, S3I(s)->tmp.peer_finish_md, count);
|
|
return (ret);
|
|
}
|
|
|
|
|
|
int
|
|
SSL_get_verify_mode(const SSL *s)
|
|
{
|
|
return (s->verify_mode);
|
|
}
|
|
|
|
int
|
|
SSL_get_verify_depth(const SSL *s)
|
|
{
|
|
return (X509_VERIFY_PARAM_get_depth(s->param));
|
|
}
|
|
|
|
int
|
|
(*SSL_get_verify_callback(const SSL *s))(int, X509_STORE_CTX *)
|
|
{
|
|
return (s->internal->verify_callback);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
|
|
{
|
|
return (ctx->verify_mode);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
|
|
{
|
|
return (X509_VERIFY_PARAM_get_depth(ctx->param));
|
|
}
|
|
|
|
int
|
|
(*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int, X509_STORE_CTX *)
|
|
{
|
|
return (ctx->internal->default_verify_callback);
|
|
}
|
|
|
|
void
|
|
SSL_set_verify(SSL *s, int mode,
|
|
int (*callback)(int ok, X509_STORE_CTX *ctx))
|
|
{
|
|
s->verify_mode = mode;
|
|
if (callback != NULL)
|
|
s->internal->verify_callback = callback;
|
|
}
|
|
|
|
void
|
|
SSL_set_verify_depth(SSL *s, int depth)
|
|
{
|
|
X509_VERIFY_PARAM_set_depth(s->param, depth);
|
|
}
|
|
|
|
void
|
|
SSL_set_read_ahead(SSL *s, int yes)
|
|
{
|
|
s->internal->read_ahead = yes;
|
|
}
|
|
|
|
int
|
|
SSL_get_read_ahead(const SSL *s)
|
|
{
|
|
return (s->internal->read_ahead);
|
|
}
|
|
|
|
int
|
|
SSL_pending(const SSL *s)
|
|
{
|
|
return (s->method->internal->ssl_pending(s));
|
|
}
|
|
|
|
X509 *
|
|
SSL_get_peer_certificate(const SSL *s)
|
|
{
|
|
X509 *r;
|
|
|
|
if ((s == NULL) || (s->session == NULL))
|
|
r = NULL;
|
|
else
|
|
r = s->session->peer;
|
|
|
|
if (r == NULL)
|
|
return (r);
|
|
|
|
CRYPTO_add(&r->references, 1, CRYPTO_LOCK_X509);
|
|
|
|
return (r);
|
|
}
|
|
|
|
STACK_OF(X509) *
|
|
SSL_get_peer_cert_chain(const SSL *s)
|
|
{
|
|
STACK_OF(X509) *r;
|
|
|
|
if ((s == NULL) || (s->session == NULL) ||
|
|
(SSI(s)->sess_cert == NULL))
|
|
r = NULL;
|
|
else
|
|
r = SSI(s)->sess_cert->cert_chain;
|
|
|
|
/*
|
|
* If we are a client, cert_chain includes the peer's own
|
|
* certificate;
|
|
* if we are a server, it does not.
|
|
*/
|
|
return (r);
|
|
}
|
|
|
|
/*
|
|
* Now in theory, since the calling process own 't' it should be safe to
|
|
* modify. We need to be able to read f without being hassled
|
|
*/
|
|
int
|
|
SSL_copy_session_id(SSL *t, const SSL *f)
|
|
{
|
|
CERT *tmp;
|
|
|
|
/* Do we need to do SSL locking? */
|
|
if (!SSL_set_session(t, SSL_get_session(f)))
|
|
return 0;
|
|
|
|
/* What if we are set up for one protocol but want to talk another? */
|
|
if (t->method != f->method) {
|
|
t->method->internal->ssl_free(t);
|
|
t->method = f->method;
|
|
if (!t->method->internal->ssl_new(t))
|
|
return 0;
|
|
}
|
|
|
|
tmp = t->cert;
|
|
if (f->cert != NULL) {
|
|
CRYPTO_add(&f->cert->references, 1, CRYPTO_LOCK_SSL_CERT);
|
|
t->cert = f->cert;
|
|
} else
|
|
t->cert = NULL;
|
|
ssl_cert_free(tmp);
|
|
|
|
if (!SSL_set_session_id_context(t, f->sid_ctx, f->sid_ctx_length))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Fix this so it checks all the valid key/cert options */
|
|
int
|
|
SSL_CTX_check_private_key(const SSL_CTX *ctx)
|
|
{
|
|
if ((ctx == NULL) || (ctx->internal->cert == NULL) ||
|
|
(ctx->internal->cert->key->x509 == NULL)) {
|
|
SSLerrorx(SSL_R_NO_CERTIFICATE_ASSIGNED);
|
|
return (0);
|
|
}
|
|
if (ctx->internal->cert->key->privatekey == NULL) {
|
|
SSLerrorx(SSL_R_NO_PRIVATE_KEY_ASSIGNED);
|
|
return (0);
|
|
}
|
|
return (X509_check_private_key(ctx->internal->cert->key->x509,
|
|
ctx->internal->cert->key->privatekey));
|
|
}
|
|
|
|
/* Fix this function so that it takes an optional type parameter */
|
|
int
|
|
SSL_check_private_key(const SSL *ssl)
|
|
{
|
|
if (ssl == NULL) {
|
|
SSLerrorx(ERR_R_PASSED_NULL_PARAMETER);
|
|
return (0);
|
|
}
|
|
if (ssl->cert == NULL) {
|
|
SSLerror(ssl, SSL_R_NO_CERTIFICATE_ASSIGNED);
|
|
return (0);
|
|
}
|
|
if (ssl->cert->key->x509 == NULL) {
|
|
SSLerror(ssl, SSL_R_NO_CERTIFICATE_ASSIGNED);
|
|
return (0);
|
|
}
|
|
if (ssl->cert->key->privatekey == NULL) {
|
|
SSLerror(ssl, SSL_R_NO_PRIVATE_KEY_ASSIGNED);
|
|
return (0);
|
|
}
|
|
return (X509_check_private_key(ssl->cert->key->x509,
|
|
ssl->cert->key->privatekey));
|
|
}
|
|
|
|
int
|
|
SSL_accept(SSL *s)
|
|
{
|
|
if (s->internal->handshake_func == NULL)
|
|
SSL_set_accept_state(s); /* Not properly initialized yet */
|
|
|
|
return (s->method->internal->ssl_accept(s));
|
|
}
|
|
|
|
int
|
|
SSL_connect(SSL *s)
|
|
{
|
|
if (s->internal->handshake_func == NULL)
|
|
SSL_set_connect_state(s); /* Not properly initialized yet */
|
|
|
|
return (s->method->internal->ssl_connect(s));
|
|
}
|
|
|
|
int
|
|
SSL_is_server(const SSL *s)
|
|
{
|
|
return s->server;
|
|
}
|
|
|
|
static long
|
|
ssl_get_default_timeout()
|
|
{
|
|
/*
|
|
* 2 hours, the 24 hours mentioned in the TLSv1 spec
|
|
* is way too long for http, the cache would over fill.
|
|
*/
|
|
return (2 * 60 * 60);
|
|
}
|
|
|
|
long
|
|
SSL_get_default_timeout(const SSL *s)
|
|
{
|
|
return (ssl_get_default_timeout());
|
|
}
|
|
|
|
int
|
|
SSL_read(SSL *s, void *buf, int num)
|
|
{
|
|
if (s->internal->handshake_func == NULL) {
|
|
SSLerror(s, SSL_R_UNINITIALIZED);
|
|
return (-1);
|
|
}
|
|
|
|
if (s->internal->shutdown & SSL_RECEIVED_SHUTDOWN) {
|
|
s->internal->rwstate = SSL_NOTHING;
|
|
return (0);
|
|
}
|
|
return ssl3_read(s, buf, num);
|
|
}
|
|
|
|
int
|
|
SSL_peek(SSL *s, void *buf, int num)
|
|
{
|
|
if (s->internal->handshake_func == NULL) {
|
|
SSLerror(s, SSL_R_UNINITIALIZED);
|
|
return (-1);
|
|
}
|
|
|
|
if (s->internal->shutdown & SSL_RECEIVED_SHUTDOWN) {
|
|
return (0);
|
|
}
|
|
return ssl3_peek(s, buf, num);
|
|
}
|
|
|
|
int
|
|
SSL_write(SSL *s, const void *buf, int num)
|
|
{
|
|
if (s->internal->handshake_func == NULL) {
|
|
SSLerror(s, SSL_R_UNINITIALIZED);
|
|
return (-1);
|
|
}
|
|
|
|
if (s->internal->shutdown & SSL_SENT_SHUTDOWN) {
|
|
s->internal->rwstate = SSL_NOTHING;
|
|
SSLerror(s, SSL_R_PROTOCOL_IS_SHUTDOWN);
|
|
return (-1);
|
|
}
|
|
return ssl3_write(s, buf, num);
|
|
}
|
|
|
|
uint32_t
|
|
SSL_CTX_get_max_early_data(const SSL_CTX *ctx)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
uint32_t
|
|
SSL_get_max_early_data(const SSL *s)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
SSL_set_max_early_data(SSL *s, uint32_t max_early_data)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
SSL_get_early_data_status(const SSL *s)
|
|
{
|
|
return SSL_EARLY_DATA_REJECTED;
|
|
}
|
|
|
|
int
|
|
SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes)
|
|
{
|
|
*readbytes = 0;
|
|
|
|
if (!s->server) {
|
|
SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
|
|
return SSL_READ_EARLY_DATA_ERROR;
|
|
}
|
|
|
|
return SSL_READ_EARLY_DATA_FINISH;
|
|
}
|
|
|
|
int
|
|
SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written)
|
|
{
|
|
*written = 0;
|
|
SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
SSL_shutdown(SSL *s)
|
|
{
|
|
/*
|
|
* Note that this function behaves differently from what one might
|
|
* expect. Return values are 0 for no success (yet),
|
|
* 1 for success; but calling it once is usually not enough,
|
|
* even if blocking I/O is used (see ssl3_shutdown).
|
|
*/
|
|
|
|
if (s->internal->handshake_func == NULL) {
|
|
SSLerror(s, SSL_R_UNINITIALIZED);
|
|
return (-1);
|
|
}
|
|
|
|
if (s != NULL && !SSL_in_init(s))
|
|
return (s->method->internal->ssl_shutdown(s));
|
|
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
SSL_renegotiate(SSL *s)
|
|
{
|
|
if (s->internal->renegotiate == 0)
|
|
s->internal->renegotiate = 1;
|
|
|
|
s->internal->new_session = 1;
|
|
|
|
return (s->method->internal->ssl_renegotiate(s));
|
|
}
|
|
|
|
int
|
|
SSL_renegotiate_abbreviated(SSL *s)
|
|
{
|
|
if (s->internal->renegotiate == 0)
|
|
s->internal->renegotiate = 1;
|
|
|
|
s->internal->new_session = 0;
|
|
|
|
return (s->method->internal->ssl_renegotiate(s));
|
|
}
|
|
|
|
int
|
|
SSL_renegotiate_pending(SSL *s)
|
|
{
|
|
/*
|
|
* Becomes true when negotiation is requested;
|
|
* false again once a handshake has finished.
|
|
*/
|
|
return (s->internal->renegotiate != 0);
|
|
}
|
|
|
|
long
|
|
SSL_ctrl(SSL *s, int cmd, long larg, void *parg)
|
|
{
|
|
long l;
|
|
|
|
switch (cmd) {
|
|
case SSL_CTRL_GET_READ_AHEAD:
|
|
return (s->internal->read_ahead);
|
|
case SSL_CTRL_SET_READ_AHEAD:
|
|
l = s->internal->read_ahead;
|
|
s->internal->read_ahead = larg;
|
|
return (l);
|
|
|
|
case SSL_CTRL_SET_MSG_CALLBACK_ARG:
|
|
s->internal->msg_callback_arg = parg;
|
|
return (1);
|
|
|
|
case SSL_CTRL_OPTIONS:
|
|
return (s->internal->options|=larg);
|
|
case SSL_CTRL_CLEAR_OPTIONS:
|
|
return (s->internal->options&=~larg);
|
|
case SSL_CTRL_MODE:
|
|
return (s->internal->mode|=larg);
|
|
case SSL_CTRL_CLEAR_MODE:
|
|
return (s->internal->mode &=~larg);
|
|
case SSL_CTRL_GET_MAX_CERT_LIST:
|
|
return (s->internal->max_cert_list);
|
|
case SSL_CTRL_SET_MAX_CERT_LIST:
|
|
l = s->internal->max_cert_list;
|
|
s->internal->max_cert_list = larg;
|
|
return (l);
|
|
case SSL_CTRL_SET_MTU:
|
|
#ifndef OPENSSL_NO_DTLS1
|
|
if (larg < (long)dtls1_min_mtu())
|
|
return (0);
|
|
#endif
|
|
if (SSL_IS_DTLS(s)) {
|
|
D1I(s)->mtu = larg;
|
|
return (larg);
|
|
}
|
|
return (0);
|
|
case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
|
|
if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
|
|
return (0);
|
|
s->max_send_fragment = larg;
|
|
return (1);
|
|
case SSL_CTRL_GET_RI_SUPPORT:
|
|
if (s->s3)
|
|
return (S3I(s)->send_connection_binding);
|
|
else return (0);
|
|
default:
|
|
if (SSL_IS_DTLS(s))
|
|
return dtls1_ctrl(s, cmd, larg, parg);
|
|
return ssl3_ctrl(s, cmd, larg, parg);
|
|
}
|
|
}
|
|
|
|
long
|
|
SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
|
|
{
|
|
switch (cmd) {
|
|
case SSL_CTRL_SET_MSG_CALLBACK:
|
|
s->internal->msg_callback = (void (*)(int write_p, int version,
|
|
int content_type, const void *buf, size_t len,
|
|
SSL *ssl, void *arg))(fp);
|
|
return (1);
|
|
|
|
default:
|
|
return (ssl3_callback_ctrl(s, cmd, fp));
|
|
}
|
|
}
|
|
|
|
struct lhash_st_SSL_SESSION *
|
|
SSL_CTX_sessions(SSL_CTX *ctx)
|
|
{
|
|
return (ctx->internal->sessions);
|
|
}
|
|
|
|
long
|
|
SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
|
|
{
|
|
long l;
|
|
|
|
switch (cmd) {
|
|
case SSL_CTRL_GET_READ_AHEAD:
|
|
return (ctx->internal->read_ahead);
|
|
case SSL_CTRL_SET_READ_AHEAD:
|
|
l = ctx->internal->read_ahead;
|
|
ctx->internal->read_ahead = larg;
|
|
return (l);
|
|
|
|
case SSL_CTRL_SET_MSG_CALLBACK_ARG:
|
|
ctx->internal->msg_callback_arg = parg;
|
|
return (1);
|
|
|
|
case SSL_CTRL_GET_MAX_CERT_LIST:
|
|
return (ctx->internal->max_cert_list);
|
|
case SSL_CTRL_SET_MAX_CERT_LIST:
|
|
l = ctx->internal->max_cert_list;
|
|
ctx->internal->max_cert_list = larg;
|
|
return (l);
|
|
|
|
case SSL_CTRL_SET_SESS_CACHE_SIZE:
|
|
l = ctx->internal->session_cache_size;
|
|
ctx->internal->session_cache_size = larg;
|
|
return (l);
|
|
case SSL_CTRL_GET_SESS_CACHE_SIZE:
|
|
return (ctx->internal->session_cache_size);
|
|
case SSL_CTRL_SET_SESS_CACHE_MODE:
|
|
l = ctx->internal->session_cache_mode;
|
|
ctx->internal->session_cache_mode = larg;
|
|
return (l);
|
|
case SSL_CTRL_GET_SESS_CACHE_MODE:
|
|
return (ctx->internal->session_cache_mode);
|
|
|
|
case SSL_CTRL_SESS_NUMBER:
|
|
return (lh_SSL_SESSION_num_items(ctx->internal->sessions));
|
|
case SSL_CTRL_SESS_CONNECT:
|
|
return (ctx->internal->stats.sess_connect);
|
|
case SSL_CTRL_SESS_CONNECT_GOOD:
|
|
return (ctx->internal->stats.sess_connect_good);
|
|
case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
|
|
return (ctx->internal->stats.sess_connect_renegotiate);
|
|
case SSL_CTRL_SESS_ACCEPT:
|
|
return (ctx->internal->stats.sess_accept);
|
|
case SSL_CTRL_SESS_ACCEPT_GOOD:
|
|
return (ctx->internal->stats.sess_accept_good);
|
|
case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
|
|
return (ctx->internal->stats.sess_accept_renegotiate);
|
|
case SSL_CTRL_SESS_HIT:
|
|
return (ctx->internal->stats.sess_hit);
|
|
case SSL_CTRL_SESS_CB_HIT:
|
|
return (ctx->internal->stats.sess_cb_hit);
|
|
case SSL_CTRL_SESS_MISSES:
|
|
return (ctx->internal->stats.sess_miss);
|
|
case SSL_CTRL_SESS_TIMEOUTS:
|
|
return (ctx->internal->stats.sess_timeout);
|
|
case SSL_CTRL_SESS_CACHE_FULL:
|
|
return (ctx->internal->stats.sess_cache_full);
|
|
case SSL_CTRL_OPTIONS:
|
|
return (ctx->internal->options|=larg);
|
|
case SSL_CTRL_CLEAR_OPTIONS:
|
|
return (ctx->internal->options&=~larg);
|
|
case SSL_CTRL_MODE:
|
|
return (ctx->internal->mode|=larg);
|
|
case SSL_CTRL_CLEAR_MODE:
|
|
return (ctx->internal->mode&=~larg);
|
|
case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
|
|
if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
|
|
return (0);
|
|
ctx->internal->max_send_fragment = larg;
|
|
return (1);
|
|
default:
|
|
return (ssl3_ctx_ctrl(ctx, cmd, larg, parg));
|
|
}
|
|
}
|
|
|
|
long
|
|
SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
|
|
{
|
|
switch (cmd) {
|
|
case SSL_CTRL_SET_MSG_CALLBACK:
|
|
ctx->internal->msg_callback = (void (*)(int write_p, int version,
|
|
int content_type, const void *buf, size_t len, SSL *ssl,
|
|
void *arg))(fp);
|
|
return (1);
|
|
|
|
default:
|
|
return (ssl3_ctx_callback_ctrl(ctx, cmd, fp));
|
|
}
|
|
}
|
|
|
|
int
|
|
ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
|
|
{
|
|
long l;
|
|
|
|
l = a->id - b->id;
|
|
if (l == 0L)
|
|
return (0);
|
|
else
|
|
return ((l > 0) ? 1:-1);
|
|
}
|
|
|
|
STACK_OF(SSL_CIPHER) *
|
|
SSL_get_ciphers(const SSL *s)
|
|
{
|
|
if (s == NULL)
|
|
return (NULL);
|
|
if (s->cipher_list != NULL)
|
|
return (s->cipher_list);
|
|
|
|
return (s->ctx->cipher_list);
|
|
}
|
|
|
|
STACK_OF(SSL_CIPHER) *
|
|
SSL_get_client_ciphers(const SSL *s)
|
|
{
|
|
if (s == NULL || s->session == NULL || !s->server)
|
|
return NULL;
|
|
return s->session->ciphers;
|
|
}
|
|
|
|
STACK_OF(SSL_CIPHER) *
|
|
SSL_get1_supported_ciphers(SSL *s)
|
|
{
|
|
STACK_OF(SSL_CIPHER) *supported_ciphers = NULL, *ciphers;
|
|
const SSL_CIPHER *cipher;
|
|
uint16_t min_vers, max_vers;
|
|
int i;
|
|
|
|
if (s == NULL)
|
|
return NULL;
|
|
if (!ssl_supported_version_range(s, &min_vers, &max_vers))
|
|
return NULL;
|
|
if ((ciphers = SSL_get_ciphers(s)) == NULL)
|
|
return NULL;
|
|
if ((supported_ciphers = sk_SSL_CIPHER_new_null()) == NULL)
|
|
return NULL;
|
|
|
|
for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
|
|
if ((cipher = sk_SSL_CIPHER_value(ciphers, i)) == NULL)
|
|
goto err;
|
|
if (!ssl_cipher_allowed_in_version_range(cipher, min_vers,
|
|
max_vers))
|
|
continue;
|
|
if (!sk_SSL_CIPHER_push(supported_ciphers, cipher))
|
|
goto err;
|
|
}
|
|
|
|
if (sk_SSL_CIPHER_num(supported_ciphers) > 0)
|
|
return supported_ciphers;
|
|
|
|
err:
|
|
sk_SSL_CIPHER_free(supported_ciphers);
|
|
return NULL;
|
|
}
|
|
|
|
/* See if we have any ECC cipher suites. */
|
|
int
|
|
ssl_has_ecc_ciphers(SSL *s)
|
|
{
|
|
STACK_OF(SSL_CIPHER) *ciphers;
|
|
unsigned long alg_k, alg_a;
|
|
SSL_CIPHER *cipher;
|
|
int i;
|
|
|
|
if (s->version == DTLS1_VERSION)
|
|
return 0;
|
|
if ((ciphers = SSL_get_ciphers(s)) == NULL)
|
|
return 0;
|
|
|
|
for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
|
|
cipher = sk_SSL_CIPHER_value(ciphers, i);
|
|
|
|
alg_k = cipher->algorithm_mkey;
|
|
alg_a = cipher->algorithm_auth;
|
|
|
|
if ((alg_k & SSL_kECDHE) || (alg_a & SSL_aECDSA))
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* The old interface to get the same thing as SSL_get_ciphers(). */
|
|
const char *
|
|
SSL_get_cipher_list(const SSL *s, int n)
|
|
{
|
|
STACK_OF(SSL_CIPHER) *ciphers;
|
|
const SSL_CIPHER *cipher;
|
|
|
|
if ((ciphers = SSL_get_ciphers(s)) == NULL)
|
|
return (NULL);
|
|
if ((cipher = sk_SSL_CIPHER_value(ciphers, n)) == NULL)
|
|
return (NULL);
|
|
|
|
return (cipher->name);
|
|
}
|
|
|
|
STACK_OF(SSL_CIPHER) *
|
|
SSL_CTX_get_ciphers(const SSL_CTX *ctx)
|
|
{
|
|
if (ctx == NULL)
|
|
return NULL;
|
|
return ctx->cipher_list;
|
|
}
|
|
|
|
/* Specify the ciphers to be used by default by the SSL_CTX. */
|
|
int
|
|
SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
|
|
{
|
|
STACK_OF(SSL_CIPHER) *ciphers;
|
|
|
|
/*
|
|
* ssl_create_cipher_list may return an empty stack if it was unable to
|
|
* find a cipher matching the given rule string (for example if the
|
|
* rule string specifies a cipher which has been disabled). This is not
|
|
* an error as far as ssl_create_cipher_list is concerned, and hence
|
|
* ctx->cipher_list has been updated.
|
|
*/
|
|
ciphers = ssl_create_cipher_list(ctx->method, &ctx->cipher_list,
|
|
ctx->internal->cipher_list_tls13, str);
|
|
if (ciphers == NULL) {
|
|
return (0);
|
|
} else if (sk_SSL_CIPHER_num(ciphers) == 0) {
|
|
SSLerrorx(SSL_R_NO_CIPHER_MATCH);
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str)
|
|
{
|
|
if (!ssl_parse_ciphersuites(&ctx->internal->cipher_list_tls13, str)) {
|
|
SSLerrorx(SSL_R_NO_CIPHER_MATCH);
|
|
return 0;
|
|
}
|
|
if (!ssl_merge_cipherlists(ctx->cipher_list,
|
|
ctx->internal->cipher_list_tls13, &ctx->cipher_list))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Specify the ciphers to be used by the SSL. */
|
|
int
|
|
SSL_set_cipher_list(SSL *s, const char *str)
|
|
{
|
|
STACK_OF(SSL_CIPHER) *ciphers, *ciphers_tls13;
|
|
|
|
if ((ciphers_tls13 = s->internal->cipher_list_tls13) == NULL)
|
|
ciphers_tls13 = s->ctx->internal->cipher_list_tls13;
|
|
|
|
/* See comment in SSL_CTX_set_cipher_list. */
|
|
ciphers = ssl_create_cipher_list(s->ctx->method, &s->cipher_list,
|
|
ciphers_tls13, str);
|
|
if (ciphers == NULL) {
|
|
return (0);
|
|
} else if (sk_SSL_CIPHER_num(ciphers) == 0) {
|
|
SSLerror(s, SSL_R_NO_CIPHER_MATCH);
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
SSL_set_ciphersuites(SSL *s, const char *str)
|
|
{
|
|
STACK_OF(SSL_CIPHER) *ciphers;
|
|
|
|
if ((ciphers = s->cipher_list) == NULL)
|
|
ciphers = s->ctx->cipher_list;
|
|
|
|
if (!ssl_parse_ciphersuites(&s->internal->cipher_list_tls13, str)) {
|
|
SSLerrorx(SSL_R_NO_CIPHER_MATCH);
|
|
return (0);
|
|
}
|
|
if (!ssl_merge_cipherlists(ciphers, s->internal->cipher_list_tls13,
|
|
&s->cipher_list))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
char *
|
|
SSL_get_shared_ciphers(const SSL *s, char *buf, int len)
|
|
{
|
|
STACK_OF(SSL_CIPHER) *ciphers;
|
|
const SSL_CIPHER *cipher;
|
|
size_t curlen = 0;
|
|
char *end;
|
|
int i;
|
|
|
|
if (s->session == NULL || s->session->ciphers == NULL || len < 2)
|
|
return (NULL);
|
|
|
|
ciphers = s->session->ciphers;
|
|
if (sk_SSL_CIPHER_num(ciphers) == 0)
|
|
return (NULL);
|
|
|
|
buf[0] = '\0';
|
|
for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
|
|
cipher = sk_SSL_CIPHER_value(ciphers, i);
|
|
end = buf + curlen;
|
|
if (strlcat(buf, cipher->name, len) >= len ||
|
|
(curlen = strlcat(buf, ":", len)) >= len) {
|
|
/* remove truncated cipher from list */
|
|
*end = '\0';
|
|
break;
|
|
}
|
|
}
|
|
/* remove trailing colon */
|
|
if ((end = strrchr(buf, ':')) != NULL)
|
|
*end = '\0';
|
|
return (buf);
|
|
}
|
|
|
|
/*
|
|
* Return a servername extension value if provided in Client Hello, or NULL.
|
|
* So far, only host_name types are defined (RFC 3546).
|
|
*/
|
|
const char *
|
|
SSL_get_servername(const SSL *s, const int type)
|
|
{
|
|
if (type != TLSEXT_NAMETYPE_host_name)
|
|
return (NULL);
|
|
|
|
return (s->session && !s->tlsext_hostname ?
|
|
s->session->tlsext_hostname :
|
|
s->tlsext_hostname);
|
|
}
|
|
|
|
int
|
|
SSL_get_servername_type(const SSL *s)
|
|
{
|
|
if (s->session &&
|
|
(!s->tlsext_hostname ?
|
|
s->session->tlsext_hostname : s->tlsext_hostname))
|
|
return (TLSEXT_NAMETYPE_host_name);
|
|
return (-1);
|
|
}
|
|
|
|
/*
|
|
* SSL_select_next_proto implements standard protocol selection. It is
|
|
* expected that this function is called from the callback set by
|
|
* SSL_CTX_set_alpn_select_cb.
|
|
*
|
|
* The protocol data is assumed to be a vector of 8-bit, length prefixed byte
|
|
* strings. The length byte itself is not included in the length. A byte
|
|
* string of length 0 is invalid. No byte string may be truncated.
|
|
*
|
|
* It returns either:
|
|
* OPENSSL_NPN_NEGOTIATED if a common protocol was found, or
|
|
* OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
|
|
*/
|
|
int
|
|
SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
|
|
const unsigned char *server, unsigned int server_len,
|
|
const unsigned char *client, unsigned int client_len)
|
|
{
|
|
unsigned int i, j;
|
|
const unsigned char *result;
|
|
int status = OPENSSL_NPN_UNSUPPORTED;
|
|
|
|
/*
|
|
* For each protocol in server preference order,
|
|
* see if we support it.
|
|
*/
|
|
for (i = 0; i < server_len; ) {
|
|
for (j = 0; j < client_len; ) {
|
|
if (server[i] == client[j] &&
|
|
memcmp(&server[i + 1],
|
|
&client[j + 1], server[i]) == 0) {
|
|
/* We found a match */
|
|
result = &server[i];
|
|
status = OPENSSL_NPN_NEGOTIATED;
|
|
goto found;
|
|
}
|
|
j += client[j];
|
|
j++;
|
|
}
|
|
i += server[i];
|
|
i++;
|
|
}
|
|
|
|
/* There's no overlap between our protocols and the server's list. */
|
|
result = client;
|
|
status = OPENSSL_NPN_NO_OVERLAP;
|
|
|
|
found:
|
|
*out = (unsigned char *) result + 1;
|
|
*outlen = result[0];
|
|
return (status);
|
|
}
|
|
|
|
/* SSL_get0_next_proto_negotiated is deprecated. */
|
|
void
|
|
SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
|
|
unsigned int *len)
|
|
{
|
|
*data = NULL;
|
|
*len = 0;
|
|
}
|
|
|
|
/* SSL_CTX_set_next_protos_advertised_cb is deprecated. */
|
|
void
|
|
SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx, int (*cb) (SSL *ssl,
|
|
const unsigned char **out, unsigned int *outlen, void *arg), void *arg)
|
|
{
|
|
}
|
|
|
|
/* SSL_CTX_set_next_proto_select_cb is deprecated. */
|
|
void
|
|
SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, int (*cb) (SSL *s,
|
|
unsigned char **out, unsigned char *outlen, const unsigned char *in,
|
|
unsigned int inlen, void *arg), void *arg)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* SSL_CTX_set_alpn_protos sets the ALPN protocol list to the specified
|
|
* protocols, which must be in wire-format (i.e. a series of non-empty,
|
|
* 8-bit length-prefixed strings). Returns 0 on success.
|
|
*/
|
|
int
|
|
SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
|
|
unsigned int protos_len)
|
|
{
|
|
int failed = 1;
|
|
|
|
if (protos == NULL || protos_len == 0)
|
|
goto err;
|
|
|
|
free(ctx->internal->alpn_client_proto_list);
|
|
ctx->internal->alpn_client_proto_list = NULL;
|
|
ctx->internal->alpn_client_proto_list_len = 0;
|
|
|
|
if ((ctx->internal->alpn_client_proto_list = malloc(protos_len))
|
|
== NULL)
|
|
goto err;
|
|
ctx->internal->alpn_client_proto_list_len = protos_len;
|
|
|
|
memcpy(ctx->internal->alpn_client_proto_list, protos, protos_len);
|
|
|
|
failed = 0;
|
|
|
|
err:
|
|
/* NOTE: Return values are the reverse of what you expect. */
|
|
return (failed);
|
|
}
|
|
|
|
/*
|
|
* SSL_set_alpn_protos sets the ALPN protocol list to the specified
|
|
* protocols, which must be in wire-format (i.e. a series of non-empty,
|
|
* 8-bit length-prefixed strings). Returns 0 on success.
|
|
*/
|
|
int
|
|
SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
|
|
unsigned int protos_len)
|
|
{
|
|
int failed = 1;
|
|
|
|
if (protos == NULL || protos_len == 0)
|
|
goto err;
|
|
|
|
free(ssl->internal->alpn_client_proto_list);
|
|
ssl->internal->alpn_client_proto_list = NULL;
|
|
ssl->internal->alpn_client_proto_list_len = 0;
|
|
|
|
if ((ssl->internal->alpn_client_proto_list = malloc(protos_len))
|
|
== NULL)
|
|
goto err;
|
|
ssl->internal->alpn_client_proto_list_len = protos_len;
|
|
|
|
memcpy(ssl->internal->alpn_client_proto_list, protos, protos_len);
|
|
|
|
failed = 0;
|
|
|
|
err:
|
|
/* NOTE: Return values are the reverse of what you expect. */
|
|
return (failed);
|
|
}
|
|
|
|
/*
|
|
* SSL_CTX_set_alpn_select_cb sets a callback function that is called during
|
|
* ClientHello processing in order to select an ALPN protocol from the
|
|
* client's list of offered protocols.
|
|
*/
|
|
void
|
|
SSL_CTX_set_alpn_select_cb(SSL_CTX* ctx,
|
|
int (*cb) (SSL *ssl, const unsigned char **out, unsigned char *outlen,
|
|
const unsigned char *in, unsigned int inlen, void *arg), void *arg)
|
|
{
|
|
ctx->internal->alpn_select_cb = cb;
|
|
ctx->internal->alpn_select_cb_arg = arg;
|
|
}
|
|
|
|
/*
|
|
* SSL_get0_alpn_selected gets the selected ALPN protocol (if any). On return
|
|
* it sets data to point to len bytes of protocol name (not including the
|
|
* leading length-prefix byte). If the server didn't respond with* a negotiated
|
|
* protocol then len will be zero.
|
|
*/
|
|
void
|
|
SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
|
|
unsigned int *len)
|
|
{
|
|
*data = NULL;
|
|
*len = 0;
|
|
|
|
*data = ssl->s3->internal->alpn_selected;
|
|
*len = ssl->s3->internal->alpn_selected_len;
|
|
}
|
|
|
|
int
|
|
SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
|
|
const char *label, size_t llen, const unsigned char *p, size_t plen,
|
|
int use_context)
|
|
{
|
|
return (tls1_export_keying_material(s, out, olen,
|
|
label, llen, p, plen, use_context));
|
|
}
|
|
|
|
static unsigned long
|
|
ssl_session_hash(const SSL_SESSION *a)
|
|
{
|
|
unsigned long l;
|
|
|
|
l = (unsigned long)
|
|
((unsigned int) a->session_id[0] )|
|
|
((unsigned int) a->session_id[1]<< 8L)|
|
|
((unsigned long)a->session_id[2]<<16L)|
|
|
((unsigned long)a->session_id[3]<<24L);
|
|
return (l);
|
|
}
|
|
|
|
/*
|
|
* 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);
|
|
if (timingsafe_memcmp(a->session_id, b->session_id, a->session_id_length) != 0)
|
|
return (1);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* These wrapper functions should remain rather than redeclaring
|
|
* SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
|
|
* variable. The reason is that the functions aren't static, they're exposed via
|
|
* ssl.h.
|
|
*/
|
|
static unsigned long
|
|
ssl_session_LHASH_HASH(const void *arg)
|
|
{
|
|
const SSL_SESSION *a = arg;
|
|
|
|
return ssl_session_hash(a);
|
|
}
|
|
|
|
static int
|
|
ssl_session_LHASH_COMP(const void *arg1, const void *arg2)
|
|
{
|
|
const SSL_SESSION *a = arg1;
|
|
const SSL_SESSION *b = arg2;
|
|
|
|
return ssl_session_cmp(a, b);
|
|
}
|
|
|
|
SSL_CTX *
|
|
SSL_CTX_new(const SSL_METHOD *meth)
|
|
{
|
|
SSL_CTX *ret;
|
|
|
|
if (!OPENSSL_init_ssl(0, NULL)) {
|
|
SSLerrorx(SSL_R_LIBRARY_BUG);
|
|
return (NULL);
|
|
}
|
|
|
|
if (meth == NULL) {
|
|
SSLerrorx(SSL_R_NULL_SSL_METHOD_PASSED);
|
|
return (NULL);
|
|
}
|
|
|
|
if ((ret = calloc(1, sizeof(*ret))) == NULL) {
|
|
SSLerrorx(ERR_R_MALLOC_FAILURE);
|
|
return (NULL);
|
|
}
|
|
if ((ret->internal = calloc(1, sizeof(*ret->internal))) == NULL) {
|
|
free(ret);
|
|
SSLerrorx(ERR_R_MALLOC_FAILURE);
|
|
return (NULL);
|
|
}
|
|
|
|
if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
|
|
SSLerrorx(SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
|
|
goto err;
|
|
}
|
|
|
|
ret->method = meth;
|
|
ret->internal->min_version = meth->internal->min_version;
|
|
ret->internal->max_version = meth->internal->max_version;
|
|
ret->internal->mode = SSL_MODE_AUTO_RETRY;
|
|
|
|
ret->cert_store = NULL;
|
|
ret->internal->session_cache_mode = SSL_SESS_CACHE_SERVER;
|
|
ret->internal->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
|
|
ret->internal->session_cache_head = NULL;
|
|
ret->internal->session_cache_tail = NULL;
|
|
|
|
/* We take the system default */
|
|
ret->session_timeout = ssl_get_default_timeout();
|
|
|
|
ret->internal->new_session_cb = 0;
|
|
ret->internal->remove_session_cb = 0;
|
|
ret->internal->get_session_cb = 0;
|
|
ret->internal->generate_session_id = 0;
|
|
|
|
memset((char *)&ret->internal->stats, 0, sizeof(ret->internal->stats));
|
|
|
|
ret->references = 1;
|
|
ret->internal->quiet_shutdown = 0;
|
|
|
|
ret->internal->info_callback = NULL;
|
|
|
|
ret->internal->app_verify_callback = 0;
|
|
ret->internal->app_verify_arg = NULL;
|
|
|
|
ret->internal->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT;
|
|
ret->internal->read_ahead = 0;
|
|
ret->internal->msg_callback = 0;
|
|
ret->internal->msg_callback_arg = NULL;
|
|
ret->verify_mode = SSL_VERIFY_NONE;
|
|
ret->sid_ctx_length = 0;
|
|
ret->internal->default_verify_callback = NULL;
|
|
|
|
if ((ret->internal->cert = ssl_cert_new()) == NULL)
|
|
goto err;
|
|
|
|
ret->default_passwd_callback = 0;
|
|
ret->default_passwd_callback_userdata = NULL;
|
|
ret->internal->client_cert_cb = 0;
|
|
ret->internal->app_gen_cookie_cb = 0;
|
|
ret->internal->app_verify_cookie_cb = 0;
|
|
|
|
ret->internal->sessions = lh_SSL_SESSION_new();
|
|
if (ret->internal->sessions == NULL)
|
|
goto err;
|
|
ret->cert_store = X509_STORE_new();
|
|
if (ret->cert_store == NULL)
|
|
goto err;
|
|
|
|
ssl_create_cipher_list(ret->method, &ret->cipher_list,
|
|
NULL, SSL_DEFAULT_CIPHER_LIST);
|
|
if (ret->cipher_list == NULL ||
|
|
sk_SSL_CIPHER_num(ret->cipher_list) <= 0) {
|
|
SSLerrorx(SSL_R_LIBRARY_HAS_NO_CIPHERS);
|
|
goto err2;
|
|
}
|
|
|
|
ret->param = X509_VERIFY_PARAM_new();
|
|
if (!ret->param)
|
|
goto err;
|
|
|
|
if ((ret->internal->client_CA = sk_X509_NAME_new_null()) == NULL)
|
|
goto err;
|
|
|
|
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->internal->ex_data);
|
|
|
|
ret->extra_certs = NULL;
|
|
|
|
ret->internal->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
|
|
|
|
ret->internal->tlsext_servername_callback = 0;
|
|
ret->internal->tlsext_servername_arg = NULL;
|
|
|
|
/* Setup RFC4507 ticket keys */
|
|
arc4random_buf(ret->internal->tlsext_tick_key_name, 16);
|
|
arc4random_buf(ret->internal->tlsext_tick_hmac_key, 16);
|
|
arc4random_buf(ret->internal->tlsext_tick_aes_key, 16);
|
|
|
|
ret->internal->tlsext_status_cb = 0;
|
|
ret->internal->tlsext_status_arg = NULL;
|
|
|
|
#ifndef OPENSSL_NO_ENGINE
|
|
ret->internal->client_cert_engine = NULL;
|
|
#ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
|
|
#define eng_strx(x) #x
|
|
#define eng_str(x) eng_strx(x)
|
|
/* Use specific client engine automatically... ignore errors */
|
|
{
|
|
ENGINE *eng;
|
|
eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
|
|
if (!eng) {
|
|
ERR_clear_error();
|
|
ENGINE_load_builtin_engines();
|
|
eng = ENGINE_by_id(eng_str(
|
|
OPENSSL_SSL_CLIENT_ENGINE_AUTO));
|
|
}
|
|
if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng))
|
|
ERR_clear_error();
|
|
}
|
|
#endif
|
|
#endif
|
|
/*
|
|
* Default is to connect to non-RI servers. When RI is more widely
|
|
* deployed might change this.
|
|
*/
|
|
ret->internal->options |= SSL_OP_LEGACY_SERVER_CONNECT;
|
|
|
|
return (ret);
|
|
err:
|
|
SSLerrorx(ERR_R_MALLOC_FAILURE);
|
|
err2:
|
|
SSL_CTX_free(ret);
|
|
return (NULL);
|
|
}
|
|
|
|
void
|
|
SSL_CTX_free(SSL_CTX *ctx)
|
|
{
|
|
int i;
|
|
|
|
if (ctx == NULL)
|
|
return;
|
|
|
|
i = CRYPTO_add(&ctx->references, -1, CRYPTO_LOCK_SSL_CTX);
|
|
if (i > 0)
|
|
return;
|
|
|
|
X509_VERIFY_PARAM_free(ctx->param);
|
|
|
|
/*
|
|
* 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].)
|
|
*/
|
|
if (ctx->internal->sessions != NULL)
|
|
SSL_CTX_flush_sessions(ctx, 0);
|
|
|
|
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ctx, &ctx->internal->ex_data);
|
|
|
|
lh_SSL_SESSION_free(ctx->internal->sessions);
|
|
|
|
X509_STORE_free(ctx->cert_store);
|
|
sk_SSL_CIPHER_free(ctx->cipher_list);
|
|
sk_SSL_CIPHER_free(ctx->internal->cipher_list_tls13);
|
|
ssl_cert_free(ctx->internal->cert);
|
|
sk_X509_NAME_pop_free(ctx->internal->client_CA, X509_NAME_free);
|
|
sk_X509_pop_free(ctx->extra_certs, X509_free);
|
|
|
|
#ifndef OPENSSL_NO_SRTP
|
|
if (ctx->internal->srtp_profiles)
|
|
sk_SRTP_PROTECTION_PROFILE_free(ctx->internal->srtp_profiles);
|
|
#endif
|
|
|
|
#ifndef OPENSSL_NO_ENGINE
|
|
ENGINE_finish(ctx->internal->client_cert_engine);
|
|
#endif
|
|
|
|
free(ctx->internal->tlsext_ecpointformatlist);
|
|
free(ctx->internal->tlsext_supportedgroups);
|
|
|
|
free(ctx->internal->alpn_client_proto_list);
|
|
|
|
free(ctx->internal);
|
|
free(ctx);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_up_ref(SSL_CTX *ctx)
|
|
{
|
|
int refs = CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
|
|
return ((refs > 1) ? 1 : 0);
|
|
}
|
|
|
|
pem_password_cb *
|
|
SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx)
|
|
{
|
|
return (ctx->default_passwd_callback);
|
|
}
|
|
|
|
void
|
|
SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
|
|
{
|
|
ctx->default_passwd_callback = cb;
|
|
}
|
|
|
|
void *
|
|
SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx)
|
|
{
|
|
return ctx->default_passwd_callback_userdata;
|
|
}
|
|
|
|
void
|
|
SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u)
|
|
{
|
|
ctx->default_passwd_callback_userdata = u;
|
|
}
|
|
|
|
void
|
|
SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
|
|
int (*cb)(X509_STORE_CTX *, void *), void *arg)
|
|
{
|
|
ctx->internal->app_verify_callback = cb;
|
|
ctx->internal->app_verify_arg = arg;
|
|
}
|
|
|
|
void
|
|
SSL_CTX_set_verify(SSL_CTX *ctx, int mode, int (*cb)(int, X509_STORE_CTX *))
|
|
{
|
|
ctx->verify_mode = mode;
|
|
ctx->internal->default_verify_callback = cb;
|
|
}
|
|
|
|
void
|
|
SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth)
|
|
{
|
|
X509_VERIFY_PARAM_set_depth(ctx->param, depth);
|
|
}
|
|
|
|
static int
|
|
ssl_cert_can_sign(X509 *x)
|
|
{
|
|
/* This call populates extension flags (ex_flags). */
|
|
X509_check_purpose(x, -1, 0);
|
|
|
|
/* Key usage, if present, must allow signing. */
|
|
return ((x->ex_flags & EXFLAG_KUSAGE) == 0 ||
|
|
(x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE));
|
|
}
|
|
|
|
void
|
|
ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
|
|
{
|
|
unsigned long mask_a, mask_k;
|
|
CERT_PKEY *cpk;
|
|
|
|
if (c == NULL)
|
|
return;
|
|
|
|
mask_a = SSL_aNULL | SSL_aTLS1_3;
|
|
mask_k = SSL_kECDHE | SSL_kTLS1_3;
|
|
|
|
if (c->dh_tmp != NULL || c->dh_tmp_cb != NULL || c->dh_tmp_auto != 0)
|
|
mask_k |= SSL_kDHE;
|
|
|
|
cpk = &(c->pkeys[SSL_PKEY_ECC]);
|
|
if (cpk->x509 != NULL && cpk->privatekey != NULL) {
|
|
if (ssl_cert_can_sign(cpk->x509))
|
|
mask_a |= SSL_aECDSA;
|
|
}
|
|
|
|
cpk = &(c->pkeys[SSL_PKEY_GOST01]);
|
|
if (cpk->x509 != NULL && cpk->privatekey != NULL) {
|
|
mask_k |= SSL_kGOST;
|
|
mask_a |= SSL_aGOST01;
|
|
}
|
|
|
|
cpk = &(c->pkeys[SSL_PKEY_RSA]);
|
|
if (cpk->x509 != NULL && cpk->privatekey != NULL) {
|
|
mask_a |= SSL_aRSA;
|
|
mask_k |= SSL_kRSA;
|
|
}
|
|
|
|
c->mask_k = mask_k;
|
|
c->mask_a = mask_a;
|
|
c->valid = 1;
|
|
}
|
|
|
|
/* See if this handshake is using an ECC cipher suite. */
|
|
int
|
|
ssl_using_ecc_cipher(SSL *s)
|
|
{
|
|
unsigned long alg_a, alg_k;
|
|
|
|
alg_a = S3I(s)->hs.new_cipher->algorithm_auth;
|
|
alg_k = S3I(s)->hs.new_cipher->algorithm_mkey;
|
|
|
|
return SSI(s)->tlsext_ecpointformatlist != NULL &&
|
|
SSI(s)->tlsext_ecpointformatlist_length > 0 &&
|
|
((alg_k & SSL_kECDHE) || (alg_a & SSL_aECDSA));
|
|
}
|
|
|
|
int
|
|
ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
|
|
{
|
|
const SSL_CIPHER *cs = S3I(s)->hs.new_cipher;
|
|
unsigned long alg_a;
|
|
|
|
alg_a = cs->algorithm_auth;
|
|
|
|
if (alg_a & SSL_aECDSA) {
|
|
/* This call populates extension flags (ex_flags). */
|
|
X509_check_purpose(x, -1, 0);
|
|
|
|
/* Key usage, if present, must allow signing. */
|
|
if ((x->ex_flags & EXFLAG_KUSAGE) &&
|
|
((x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) == 0)) {
|
|
SSLerror(s, SSL_R_ECC_CERT_NOT_FOR_SIGNING);
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
return (1);
|
|
}
|
|
|
|
CERT_PKEY *
|
|
ssl_get_server_send_pkey(const SSL *s)
|
|
{
|
|
unsigned long alg_a;
|
|
CERT *c;
|
|
int i;
|
|
|
|
c = s->cert;
|
|
ssl_set_cert_masks(c, S3I(s)->hs.new_cipher);
|
|
|
|
alg_a = S3I(s)->hs.new_cipher->algorithm_auth;
|
|
|
|
if (alg_a & SSL_aECDSA) {
|
|
i = SSL_PKEY_ECC;
|
|
} else if (alg_a & SSL_aRSA) {
|
|
i = SSL_PKEY_RSA;
|
|
} else if (alg_a & SSL_aGOST01) {
|
|
i = SSL_PKEY_GOST01;
|
|
} else { /* if (alg_a & SSL_aNULL) */
|
|
SSLerror(s, ERR_R_INTERNAL_ERROR);
|
|
return (NULL);
|
|
}
|
|
|
|
return (c->pkeys + i);
|
|
}
|
|
|
|
EVP_PKEY *
|
|
ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *cipher, const EVP_MD **pmd,
|
|
const struct ssl_sigalg **sap)
|
|
{
|
|
const struct ssl_sigalg *sigalg = NULL;
|
|
EVP_PKEY *pkey = NULL;
|
|
unsigned long alg_a;
|
|
CERT *c;
|
|
int idx = -1;
|
|
|
|
alg_a = cipher->algorithm_auth;
|
|
c = s->cert;
|
|
|
|
if (alg_a & SSL_aRSA) {
|
|
idx = SSL_PKEY_RSA;
|
|
} else if ((alg_a & SSL_aECDSA) &&
|
|
(c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
|
|
idx = SSL_PKEY_ECC;
|
|
if (idx == -1) {
|
|
SSLerror(s, ERR_R_INTERNAL_ERROR);
|
|
return (NULL);
|
|
}
|
|
|
|
pkey = c->pkeys[idx].privatekey;
|
|
if ((sigalg = ssl_sigalg_select(s, pkey)) == NULL) {
|
|
SSLerror(s, SSL_R_SIGNATURE_ALGORITHMS_ERROR);
|
|
return (NULL);
|
|
}
|
|
*pmd = sigalg->md();
|
|
*sap = sigalg;
|
|
|
|
return (pkey);
|
|
}
|
|
|
|
DH *
|
|
ssl_get_auto_dh(SSL *s)
|
|
{
|
|
CERT_PKEY *cpk;
|
|
int keylen;
|
|
DH *dhp;
|
|
|
|
if (s->cert->dh_tmp_auto == 2) {
|
|
keylen = 1024;
|
|
} else if (S3I(s)->hs.new_cipher->algorithm_auth & SSL_aNULL) {
|
|
keylen = 1024;
|
|
if (S3I(s)->hs.new_cipher->strength_bits == 256)
|
|
keylen = 3072;
|
|
} else {
|
|
if ((cpk = ssl_get_server_send_pkey(s)) == NULL)
|
|
return (NULL);
|
|
if (cpk->privatekey == NULL || cpk->privatekey->pkey.dh == NULL)
|
|
return (NULL);
|
|
keylen = EVP_PKEY_bits(cpk->privatekey);
|
|
}
|
|
|
|
if ((dhp = DH_new()) == NULL)
|
|
return (NULL);
|
|
|
|
dhp->g = BN_new();
|
|
if (dhp->g != NULL)
|
|
BN_set_word(dhp->g, 2);
|
|
|
|
if (keylen >= 8192)
|
|
dhp->p = get_rfc3526_prime_8192(NULL);
|
|
else if (keylen >= 4096)
|
|
dhp->p = get_rfc3526_prime_4096(NULL);
|
|
else if (keylen >= 3072)
|
|
dhp->p = get_rfc3526_prime_3072(NULL);
|
|
else if (keylen >= 2048)
|
|
dhp->p = get_rfc3526_prime_2048(NULL);
|
|
else if (keylen >= 1536)
|
|
dhp->p = get_rfc3526_prime_1536(NULL);
|
|
else
|
|
dhp->p = get_rfc2409_prime_1024(NULL);
|
|
|
|
if (dhp->p == NULL || dhp->g == NULL) {
|
|
DH_free(dhp);
|
|
return (NULL);
|
|
}
|
|
return (dhp);
|
|
}
|
|
|
|
void
|
|
ssl_update_cache(SSL *s, int mode)
|
|
{
|
|
int i;
|
|
|
|
/*
|
|
* If the session_id_length is 0, we are not supposed to cache it,
|
|
* and it would be rather hard to do anyway :-)
|
|
*/
|
|
if (s->session->session_id_length == 0)
|
|
return;
|
|
|
|
i = s->session_ctx->internal->session_cache_mode;
|
|
if ((i & mode) && (!s->internal->hit) && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
|
|
|| SSL_CTX_add_session(s->session_ctx, s->session))
|
|
&& (s->session_ctx->internal->new_session_cb != NULL)) {
|
|
CRYPTO_add(&s->session->references, 1, CRYPTO_LOCK_SSL_SESSION);
|
|
if (!s->session_ctx->internal->new_session_cb(s, s->session))
|
|
SSL_SESSION_free(s->session);
|
|
}
|
|
|
|
/* auto flush every 255 connections */
|
|
if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
|
|
((i & mode) == mode)) {
|
|
if ((((mode & SSL_SESS_CACHE_CLIENT) ?
|
|
s->session_ctx->internal->stats.sess_connect_good :
|
|
s->session_ctx->internal->stats.sess_accept_good) & 0xff) == 0xff) {
|
|
SSL_CTX_flush_sessions(s->session_ctx, time(NULL));
|
|
}
|
|
}
|
|
}
|
|
|
|
const SSL_METHOD *
|
|
SSL_get_ssl_method(SSL *s)
|
|
{
|
|
return (s->method);
|
|
}
|
|
|
|
int
|
|
SSL_set_ssl_method(SSL *s, const SSL_METHOD *method)
|
|
{
|
|
int (*handshake_func)(SSL *) = NULL;
|
|
int ret = 1;
|
|
|
|
if (s->method == method)
|
|
return (ret);
|
|
|
|
if (s->internal->handshake_func == s->method->internal->ssl_connect)
|
|
handshake_func = method->internal->ssl_connect;
|
|
else if (s->internal->handshake_func == s->method->internal->ssl_accept)
|
|
handshake_func = method->internal->ssl_accept;
|
|
|
|
if (s->method->internal->version == method->internal->version) {
|
|
s->method = method;
|
|
} else {
|
|
s->method->internal->ssl_free(s);
|
|
s->method = method;
|
|
ret = s->method->internal->ssl_new(s);
|
|
}
|
|
s->internal->handshake_func = handshake_func;
|
|
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
SSL_get_error(const SSL *s, int i)
|
|
{
|
|
int reason;
|
|
unsigned long l;
|
|
BIO *bio;
|
|
|
|
if (i > 0)
|
|
return (SSL_ERROR_NONE);
|
|
|
|
/* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
|
|
* etc, where we do encode the error */
|
|
if ((l = ERR_peek_error()) != 0) {
|
|
if (ERR_GET_LIB(l) == ERR_LIB_SYS)
|
|
return (SSL_ERROR_SYSCALL);
|
|
else
|
|
return (SSL_ERROR_SSL);
|
|
}
|
|
|
|
if ((i < 0) && SSL_want_read(s)) {
|
|
bio = SSL_get_rbio(s);
|
|
if (BIO_should_read(bio)) {
|
|
return (SSL_ERROR_WANT_READ);
|
|
} else if (BIO_should_write(bio)) {
|
|
/*
|
|
* This one doesn't make too much sense... We never
|
|
* try to write to the rbio, and an application
|
|
* program where rbio and wbio are separate couldn't
|
|
* even know what it should wait for. However if we
|
|
* ever set s->internal->rwstate incorrectly (so that we have
|
|
* SSL_want_read(s) instead of SSL_want_write(s))
|
|
* and rbio and wbio *are* the same, this test works
|
|
* around that bug; so it might be safer to keep it.
|
|
*/
|
|
return (SSL_ERROR_WANT_WRITE);
|
|
} else if (BIO_should_io_special(bio)) {
|
|
reason = BIO_get_retry_reason(bio);
|
|
if (reason == BIO_RR_CONNECT)
|
|
return (SSL_ERROR_WANT_CONNECT);
|
|
else if (reason == BIO_RR_ACCEPT)
|
|
return (SSL_ERROR_WANT_ACCEPT);
|
|
else
|
|
return (SSL_ERROR_SYSCALL); /* unknown */
|
|
}
|
|
}
|
|
|
|
if ((i < 0) && SSL_want_write(s)) {
|
|
bio = SSL_get_wbio(s);
|
|
if (BIO_should_write(bio)) {
|
|
return (SSL_ERROR_WANT_WRITE);
|
|
} else if (BIO_should_read(bio)) {
|
|
/*
|
|
* See above (SSL_want_read(s) with
|
|
* BIO_should_write(bio))
|
|
*/
|
|
return (SSL_ERROR_WANT_READ);
|
|
} else if (BIO_should_io_special(bio)) {
|
|
reason = BIO_get_retry_reason(bio);
|
|
if (reason == BIO_RR_CONNECT)
|
|
return (SSL_ERROR_WANT_CONNECT);
|
|
else if (reason == BIO_RR_ACCEPT)
|
|
return (SSL_ERROR_WANT_ACCEPT);
|
|
else
|
|
return (SSL_ERROR_SYSCALL);
|
|
}
|
|
}
|
|
if ((i < 0) && SSL_want_x509_lookup(s)) {
|
|
return (SSL_ERROR_WANT_X509_LOOKUP);
|
|
}
|
|
|
|
if (i == 0) {
|
|
if ((s->internal->shutdown & SSL_RECEIVED_SHUTDOWN) &&
|
|
(S3I(s)->warn_alert == SSL_AD_CLOSE_NOTIFY))
|
|
return (SSL_ERROR_ZERO_RETURN);
|
|
}
|
|
return (SSL_ERROR_SYSCALL);
|
|
}
|
|
|
|
int
|
|
SSL_do_handshake(SSL *s)
|
|
{
|
|
int ret = 1;
|
|
|
|
if (s->internal->handshake_func == NULL) {
|
|
SSLerror(s, SSL_R_CONNECTION_TYPE_NOT_SET);
|
|
return (-1);
|
|
}
|
|
|
|
s->method->internal->ssl_renegotiate_check(s);
|
|
|
|
if (SSL_in_init(s) || SSL_in_before(s)) {
|
|
ret = s->internal->handshake_func(s);
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* For the next 2 functions, SSL_clear() sets shutdown and so
|
|
* one of these calls will reset it
|
|
*/
|
|
void
|
|
SSL_set_accept_state(SSL *s)
|
|
{
|
|
s->server = 1;
|
|
s->internal->shutdown = 0;
|
|
S3I(s)->hs.state = SSL_ST_ACCEPT|SSL_ST_BEFORE;
|
|
s->internal->handshake_func = s->method->internal->ssl_accept;
|
|
ssl_clear_cipher_state(s);
|
|
}
|
|
|
|
void
|
|
SSL_set_connect_state(SSL *s)
|
|
{
|
|
s->server = 0;
|
|
s->internal->shutdown = 0;
|
|
S3I(s)->hs.state = SSL_ST_CONNECT|SSL_ST_BEFORE;
|
|
s->internal->handshake_func = s->method->internal->ssl_connect;
|
|
ssl_clear_cipher_state(s);
|
|
}
|
|
|
|
int
|
|
ssl_undefined_function(SSL *s)
|
|
{
|
|
SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ssl_undefined_void_function(void)
|
|
{
|
|
SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ssl_undefined_const_function(const SSL *s)
|
|
{
|
|
SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
|
|
return (0);
|
|
}
|
|
|
|
const char *
|
|
ssl_version_string(int ver)
|
|
{
|
|
switch (ver) {
|
|
case DTLS1_VERSION:
|
|
return (SSL_TXT_DTLS1);
|
|
case TLS1_VERSION:
|
|
return (SSL_TXT_TLSV1);
|
|
case TLS1_1_VERSION:
|
|
return (SSL_TXT_TLSV1_1);
|
|
case TLS1_2_VERSION:
|
|
return (SSL_TXT_TLSV1_2);
|
|
case TLS1_3_VERSION:
|
|
return (SSL_TXT_TLSV1_3);
|
|
default:
|
|
return ("unknown");
|
|
}
|
|
}
|
|
|
|
const char *
|
|
SSL_get_version(const SSL *s)
|
|
{
|
|
return ssl_version_string(s->version);
|
|
}
|
|
|
|
SSL *
|
|
SSL_dup(SSL *s)
|
|
{
|
|
STACK_OF(X509_NAME) *sk;
|
|
X509_NAME *xn;
|
|
SSL *ret;
|
|
int i;
|
|
|
|
if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL)
|
|
goto err;
|
|
|
|
ret->version = s->version;
|
|
ret->internal->type = s->internal->type;
|
|
ret->method = s->method;
|
|
|
|
if (s->session != NULL) {
|
|
if (!SSL_copy_session_id(ret, s))
|
|
goto err;
|
|
} else {
|
|
/*
|
|
* No session has been established yet, so we have to expect
|
|
* that s->cert or ret->cert will be changed later --
|
|
* they should not both point to the same object,
|
|
* and thus we can't use SSL_copy_session_id.
|
|
*/
|
|
|
|
ret->method->internal->ssl_free(ret);
|
|
ret->method = s->method;
|
|
ret->method->internal->ssl_new(ret);
|
|
|
|
ssl_cert_free(ret->cert);
|
|
if ((ret->cert = ssl_cert_dup(s->cert)) == NULL)
|
|
goto err;
|
|
|
|
if (!SSL_set_session_id_context(ret, s->sid_ctx,
|
|
s->sid_ctx_length))
|
|
goto err;
|
|
}
|
|
|
|
ret->internal->options = s->internal->options;
|
|
ret->internal->mode = s->internal->mode;
|
|
SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s));
|
|
SSL_set_read_ahead(ret, SSL_get_read_ahead(s));
|
|
ret->internal->msg_callback = s->internal->msg_callback;
|
|
ret->internal->msg_callback_arg = s->internal->msg_callback_arg;
|
|
SSL_set_verify(ret, SSL_get_verify_mode(s),
|
|
SSL_get_verify_callback(s));
|
|
SSL_set_verify_depth(ret, SSL_get_verify_depth(s));
|
|
ret->internal->generate_session_id = s->internal->generate_session_id;
|
|
|
|
SSL_set_info_callback(ret, SSL_get_info_callback(s));
|
|
|
|
ret->internal->debug = s->internal->debug;
|
|
|
|
/* copy app data, a little dangerous perhaps */
|
|
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL,
|
|
&ret->internal->ex_data, &s->internal->ex_data))
|
|
goto err;
|
|
|
|
/* setup rbio, and wbio */
|
|
if (s->rbio != NULL) {
|
|
if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
|
|
goto err;
|
|
}
|
|
if (s->wbio != NULL) {
|
|
if (s->wbio != s->rbio) {
|
|
if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
|
|
goto err;
|
|
} else
|
|
ret->wbio = ret->rbio;
|
|
}
|
|
ret->internal->rwstate = s->internal->rwstate;
|
|
ret->internal->in_handshake = s->internal->in_handshake;
|
|
ret->internal->handshake_func = s->internal->handshake_func;
|
|
ret->server = s->server;
|
|
ret->internal->renegotiate = s->internal->renegotiate;
|
|
ret->internal->new_session = s->internal->new_session;
|
|
ret->internal->quiet_shutdown = s->internal->quiet_shutdown;
|
|
ret->internal->shutdown = s->internal->shutdown;
|
|
/* SSL_dup does not really work at any state, though */
|
|
S3I(ret)->hs.state = S3I(s)->hs.state;
|
|
ret->internal->rstate = s->internal->rstate;
|
|
|
|
/*
|
|
* Would have to copy ret->init_buf, ret->init_msg, ret->init_num,
|
|
* ret->init_off
|
|
*/
|
|
ret->internal->init_num = 0;
|
|
|
|
ret->internal->hit = s->internal->hit;
|
|
|
|
X509_VERIFY_PARAM_inherit(ret->param, s->param);
|
|
|
|
if (s->cipher_list != NULL) {
|
|
if ((ret->cipher_list =
|
|
sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
|
|
goto err;
|
|
}
|
|
if (s->internal->cipher_list_tls13 != NULL) {
|
|
if ((ret->internal->cipher_list_tls13 =
|
|
sk_SSL_CIPHER_dup(s->internal->cipher_list_tls13)) == NULL)
|
|
goto err;
|
|
}
|
|
|
|
/* Dup the client_CA list */
|
|
if (s->internal->client_CA != NULL) {
|
|
if ((sk = sk_X509_NAME_dup(s->internal->client_CA)) == NULL) goto err;
|
|
ret->internal->client_CA = sk;
|
|
for (i = 0; i < sk_X509_NAME_num(sk); i++) {
|
|
xn = sk_X509_NAME_value(sk, i);
|
|
if (sk_X509_NAME_set(sk, i,
|
|
X509_NAME_dup(xn)) == NULL) {
|
|
X509_NAME_free(xn);
|
|
goto err;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
err:
|
|
SSL_free(ret);
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
ssl_clear_cipher_state(SSL *s)
|
|
{
|
|
ssl_clear_cipher_read_state(s);
|
|
ssl_clear_cipher_write_state(s);
|
|
}
|
|
|
|
void
|
|
ssl_clear_cipher_read_state(SSL *s)
|
|
{
|
|
EVP_CIPHER_CTX_free(s->enc_read_ctx);
|
|
s->enc_read_ctx = NULL;
|
|
EVP_MD_CTX_free(s->read_hash);
|
|
s->read_hash = NULL;
|
|
|
|
tls12_record_layer_clear_read_state(s->internal->rl);
|
|
tls12_record_layer_set_read_seq_num(s->internal->rl,
|
|
S3I(s)->read_sequence);
|
|
|
|
if (s->internal->aead_read_ctx != NULL) {
|
|
EVP_AEAD_CTX_cleanup(&s->internal->aead_read_ctx->ctx);
|
|
free(s->internal->aead_read_ctx);
|
|
s->internal->aead_read_ctx = NULL;
|
|
}
|
|
}
|
|
|
|
void
|
|
ssl_clear_cipher_write_state(SSL *s)
|
|
{
|
|
EVP_CIPHER_CTX_free(s->internal->enc_write_ctx);
|
|
s->internal->enc_write_ctx = NULL;
|
|
EVP_MD_CTX_free(s->internal->write_hash);
|
|
s->internal->write_hash = NULL;
|
|
|
|
tls12_record_layer_clear_write_state(s->internal->rl);
|
|
tls12_record_layer_set_write_seq_num(s->internal->rl,
|
|
S3I(s)->write_sequence);
|
|
|
|
if (s->internal->aead_write_ctx != NULL) {
|
|
EVP_AEAD_CTX_cleanup(&s->internal->aead_write_ctx->ctx);
|
|
free(s->internal->aead_write_ctx);
|
|
s->internal->aead_write_ctx = NULL;
|
|
}
|
|
}
|
|
|
|
/* Fix this function so that it takes an optional type parameter */
|
|
X509 *
|
|
SSL_get_certificate(const SSL *s)
|
|
{
|
|
return (s->cert->key->x509);
|
|
}
|
|
|
|
/* Fix this function so that it takes an optional type parameter */
|
|
EVP_PKEY *
|
|
SSL_get_privatekey(const SSL *s)
|
|
{
|
|
return (s->cert->key->privatekey);
|
|
}
|
|
|
|
const SSL_CIPHER *
|
|
SSL_get_current_cipher(const SSL *s)
|
|
{
|
|
if ((s->session != NULL) && (s->session->cipher != NULL))
|
|
return (s->session->cipher);
|
|
return (NULL);
|
|
}
|
|
const void *
|
|
SSL_get_current_compression(SSL *s)
|
|
{
|
|
return (NULL);
|
|
}
|
|
|
|
const void *
|
|
SSL_get_current_expansion(SSL *s)
|
|
{
|
|
return (NULL);
|
|
}
|
|
|
|
size_t
|
|
SSL_get_client_random(const SSL *s, unsigned char *out, size_t max_out)
|
|
{
|
|
size_t len = sizeof(s->s3->client_random);
|
|
|
|
if (out == NULL)
|
|
return len;
|
|
|
|
if (len > max_out)
|
|
len = max_out;
|
|
|
|
memcpy(out, s->s3->client_random, len);
|
|
|
|
return len;
|
|
}
|
|
|
|
size_t
|
|
SSL_get_server_random(const SSL *s, unsigned char *out, size_t max_out)
|
|
{
|
|
size_t len = sizeof(s->s3->server_random);
|
|
|
|
if (out == NULL)
|
|
return len;
|
|
|
|
if (len > max_out)
|
|
len = max_out;
|
|
|
|
memcpy(out, s->s3->server_random, len);
|
|
|
|
return len;
|
|
}
|
|
|
|
int
|
|
ssl_init_wbio_buffer(SSL *s, int push)
|
|
{
|
|
BIO *bbio;
|
|
|
|
if (s->bbio == NULL) {
|
|
bbio = BIO_new(BIO_f_buffer());
|
|
if (bbio == NULL)
|
|
return (0);
|
|
s->bbio = bbio;
|
|
} else {
|
|
bbio = s->bbio;
|
|
if (s->bbio == s->wbio)
|
|
s->wbio = BIO_pop(s->wbio);
|
|
}
|
|
(void)BIO_reset(bbio);
|
|
/* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
|
|
if (!BIO_set_read_buffer_size(bbio, 1)) {
|
|
SSLerror(s, ERR_R_BUF_LIB);
|
|
return (0);
|
|
}
|
|
if (push) {
|
|
if (s->wbio != bbio)
|
|
s->wbio = BIO_push(bbio, s->wbio);
|
|
} else {
|
|
if (s->wbio == bbio)
|
|
s->wbio = BIO_pop(bbio);
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
ssl_free_wbio_buffer(SSL *s)
|
|
{
|
|
if (s == NULL)
|
|
return;
|
|
|
|
if (s->bbio == NULL)
|
|
return;
|
|
|
|
if (s->bbio == s->wbio) {
|
|
/* remove buffering */
|
|
s->wbio = BIO_pop(s->wbio);
|
|
}
|
|
BIO_free(s->bbio);
|
|
s->bbio = NULL;
|
|
}
|
|
|
|
void
|
|
SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode)
|
|
{
|
|
ctx->internal->quiet_shutdown = mode;
|
|
}
|
|
|
|
int
|
|
SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
|
|
{
|
|
return (ctx->internal->quiet_shutdown);
|
|
}
|
|
|
|
void
|
|
SSL_set_quiet_shutdown(SSL *s, int mode)
|
|
{
|
|
s->internal->quiet_shutdown = mode;
|
|
}
|
|
|
|
int
|
|
SSL_get_quiet_shutdown(const SSL *s)
|
|
{
|
|
return (s->internal->quiet_shutdown);
|
|
}
|
|
|
|
void
|
|
SSL_set_shutdown(SSL *s, int mode)
|
|
{
|
|
s->internal->shutdown = mode;
|
|
}
|
|
|
|
int
|
|
SSL_get_shutdown(const SSL *s)
|
|
{
|
|
return (s->internal->shutdown);
|
|
}
|
|
|
|
int
|
|
SSL_version(const SSL *s)
|
|
{
|
|
return (s->version);
|
|
}
|
|
|
|
SSL_CTX *
|
|
SSL_get_SSL_CTX(const SSL *ssl)
|
|
{
|
|
return (ssl->ctx);
|
|
}
|
|
|
|
SSL_CTX *
|
|
SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx)
|
|
{
|
|
CERT *new_cert;
|
|
|
|
if (ctx == NULL)
|
|
ctx = ssl->initial_ctx;
|
|
if (ssl->ctx == ctx)
|
|
return (ssl->ctx);
|
|
|
|
if ((new_cert = ssl_cert_dup(ctx->internal->cert)) == NULL)
|
|
return NULL;
|
|
ssl_cert_free(ssl->cert);
|
|
ssl->cert = new_cert;
|
|
|
|
SSL_CTX_up_ref(ctx);
|
|
SSL_CTX_free(ssl->ctx); /* decrement reference count */
|
|
ssl->ctx = ctx;
|
|
|
|
return (ssl->ctx);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
|
|
{
|
|
return (X509_STORE_set_default_paths(ctx->cert_store));
|
|
}
|
|
|
|
int
|
|
SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
|
|
const char *CApath)
|
|
{
|
|
return (X509_STORE_load_locations(ctx->cert_store, CAfile, CApath));
|
|
}
|
|
|
|
int
|
|
SSL_CTX_load_verify_mem(SSL_CTX *ctx, void *buf, int len)
|
|
{
|
|
return (X509_STORE_load_mem(ctx->cert_store, buf, len));
|
|
}
|
|
|
|
void
|
|
SSL_set_info_callback(SSL *ssl, void (*cb)(const SSL *ssl, int type, int val))
|
|
{
|
|
ssl->internal->info_callback = cb;
|
|
}
|
|
|
|
void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, int type, int val)
|
|
{
|
|
return (ssl->internal->info_callback);
|
|
}
|
|
|
|
int
|
|
SSL_state(const SSL *ssl)
|
|
{
|
|
return (S3I(ssl)->hs.state);
|
|
}
|
|
|
|
void
|
|
SSL_set_state(SSL *ssl, int state)
|
|
{
|
|
S3I(ssl)->hs.state = state;
|
|
}
|
|
|
|
void
|
|
SSL_set_verify_result(SSL *ssl, long arg)
|
|
{
|
|
ssl->verify_result = arg;
|
|
}
|
|
|
|
long
|
|
SSL_get_verify_result(const SSL *ssl)
|
|
{
|
|
return (ssl->verify_result);
|
|
}
|
|
|
|
int
|
|
SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
|
|
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
|
|
{
|
|
return (CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
|
|
new_func, dup_func, free_func));
|
|
}
|
|
|
|
int
|
|
SSL_set_ex_data(SSL *s, int idx, void *arg)
|
|
{
|
|
return (CRYPTO_set_ex_data(&s->internal->ex_data, idx, arg));
|
|
}
|
|
|
|
void *
|
|
SSL_get_ex_data(const SSL *s, int idx)
|
|
{
|
|
return (CRYPTO_get_ex_data(&s->internal->ex_data, idx));
|
|
}
|
|
|
|
int
|
|
SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
|
|
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
|
|
{
|
|
return (CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
|
|
new_func, dup_func, free_func));
|
|
}
|
|
|
|
int
|
|
SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg)
|
|
{
|
|
return (CRYPTO_set_ex_data(&s->internal->ex_data, idx, arg));
|
|
}
|
|
|
|
void *
|
|
SSL_CTX_get_ex_data(const SSL_CTX *s, int idx)
|
|
{
|
|
return (CRYPTO_get_ex_data(&s->internal->ex_data, idx));
|
|
}
|
|
|
|
int
|
|
ssl_ok(SSL *s)
|
|
{
|
|
return (1);
|
|
}
|
|
|
|
X509_STORE *
|
|
SSL_CTX_get_cert_store(const SSL_CTX *ctx)
|
|
{
|
|
return (ctx->cert_store);
|
|
}
|
|
|
|
void
|
|
SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store)
|
|
{
|
|
X509_STORE_free(ctx->cert_store);
|
|
ctx->cert_store = store;
|
|
}
|
|
|
|
X509 *
|
|
SSL_CTX_get0_certificate(const SSL_CTX *ctx)
|
|
{
|
|
if (ctx->internal->cert == NULL)
|
|
return NULL;
|
|
|
|
return ctx->internal->cert->key->x509;
|
|
}
|
|
|
|
int
|
|
SSL_want(const SSL *s)
|
|
{
|
|
return (s->internal->rwstate);
|
|
}
|
|
|
|
void
|
|
SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx, RSA *(*cb)(SSL *ssl, int is_export,
|
|
int keylength))
|
|
{
|
|
SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
|
|
}
|
|
|
|
void
|
|
SSL_set_tmp_rsa_callback(SSL *ssl, RSA *(*cb)(SSL *ssl, int is_export,
|
|
int keylength))
|
|
{
|
|
SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
|
|
}
|
|
|
|
void
|
|
SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, DH *(*dh)(SSL *ssl, int is_export,
|
|
int keylength))
|
|
{
|
|
SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
|
|
}
|
|
|
|
void
|
|
SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh)(SSL *ssl, int is_export,
|
|
int keylength))
|
|
{
|
|
SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
|
|
}
|
|
|
|
void
|
|
SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx, EC_KEY *(*ecdh)(SSL *ssl,
|
|
int is_export, int keylength))
|
|
{
|
|
SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_ECDH_CB,
|
|
(void (*)(void))ecdh);
|
|
}
|
|
|
|
void
|
|
SSL_set_tmp_ecdh_callback(SSL *ssl, EC_KEY *(*ecdh)(SSL *ssl, int is_export,
|
|
int keylength))
|
|
{
|
|
SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
|
|
}
|
|
|
|
|
|
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))
|
|
{
|
|
SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK,
|
|
(void (*)(void))cb);
|
|
}
|
|
|
|
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_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
|
|
}
|
|
|
|
void
|
|
SSL_set_debug(SSL *s, int debug)
|
|
{
|
|
s->internal->debug = debug;
|
|
}
|
|
|
|
int
|
|
SSL_cache_hit(SSL *s)
|
|
{
|
|
return (s->internal->hit);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_get_min_proto_version(SSL_CTX *ctx)
|
|
{
|
|
return ctx->internal->min_version;
|
|
}
|
|
|
|
int
|
|
SSL_CTX_set_min_proto_version(SSL_CTX *ctx, uint16_t version)
|
|
{
|
|
return ssl_version_set_min(ctx->method, version,
|
|
ctx->internal->max_version, &ctx->internal->min_version);
|
|
}
|
|
|
|
int
|
|
SSL_CTX_get_max_proto_version(SSL_CTX *ctx)
|
|
{
|
|
return ctx->internal->max_version;
|
|
}
|
|
|
|
int
|
|
SSL_CTX_set_max_proto_version(SSL_CTX *ctx, uint16_t version)
|
|
{
|
|
return ssl_version_set_max(ctx->method, version,
|
|
ctx->internal->min_version, &ctx->internal->max_version);
|
|
}
|
|
|
|
int
|
|
SSL_get_min_proto_version(SSL *ssl)
|
|
{
|
|
return ssl->internal->min_version;
|
|
}
|
|
|
|
int
|
|
SSL_set_min_proto_version(SSL *ssl, uint16_t version)
|
|
{
|
|
return ssl_version_set_min(ssl->method, version,
|
|
ssl->internal->max_version, &ssl->internal->min_version);
|
|
}
|
|
int
|
|
SSL_get_max_proto_version(SSL *ssl)
|
|
{
|
|
return ssl->internal->max_version;
|
|
}
|
|
|
|
int
|
|
SSL_set_max_proto_version(SSL *ssl, uint16_t version)
|
|
{
|
|
return ssl_version_set_max(ssl->method, version,
|
|
ssl->internal->min_version, &ssl->internal->max_version);
|
|
}
|
|
|
|
static int
|
|
ssl_cipher_id_cmp_BSEARCH_CMP_FN(const void *a_, const void *b_)
|
|
{
|
|
SSL_CIPHER const *a = a_;
|
|
SSL_CIPHER const *b = b_;
|
|
return ssl_cipher_id_cmp(a, b);
|
|
}
|
|
|
|
SSL_CIPHER *
|
|
OBJ_bsearch_ssl_cipher_id(SSL_CIPHER *key, SSL_CIPHER const *base, int num)
|
|
{
|
|
return (SSL_CIPHER *)OBJ_bsearch_(key, base, num, sizeof(SSL_CIPHER),
|
|
ssl_cipher_id_cmp_BSEARCH_CMP_FN);
|
|
}
|