bc35d57932
Notified by Verdon Walker <VWalker@novell.com>
2314 lines
54 KiB
C
2314 lines
54 KiB
C
/*! \file ssl/ssl_lib.c
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* \brief Version independent SSL functions.
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*/
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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) 1998-2001 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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#ifdef REF_CHECK
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# include <assert.h>
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#endif
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#include <stdio.h>
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#include "ssl_locl.h"
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#include "kssl_lcl.h"
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#include <openssl/objects.h>
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#include <openssl/lhash.h>
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#include <openssl/x509v3.h>
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#include "cryptlib.h"
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const char *SSL_version_str=OPENSSL_VERSION_TEXT;
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OPENSSL_GLOBAL SSL3_ENC_METHOD ssl3_undef_enc_method={
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/* evil casts, but these functions are only called if there's a library bug */
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(int (*)(SSL *,int))ssl_undefined_function,
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(int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
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ssl_undefined_function,
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(int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
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(int (*)(SSL*, int))ssl_undefined_function,
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(int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function
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};
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int SSL_clear(SSL *s)
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{
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if (s->method == NULL)
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{
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SSLerr(SSL_F_SSL_CLEAR,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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{
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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->hit=0;
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s->shutdown=0;
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#if 0 /* Disabled since version 1.10 of this file (early return not
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* needed because SSL_clear is not called when doing renegotiation) */
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/* This is set if we are doing dynamic renegotiation so keep
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* the old cipher. It is sort of a SSL_clear_lite :-) */
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if (s->new_session) return(1);
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#else
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if (s->new_session)
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{
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SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
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return 0;
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}
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#endif
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s->type=0;
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s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
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s->version=s->method->version;
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s->client_version=s->version;
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s->rwstate=SSL_NOTHING;
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s->rstate=SSL_ST_READ_HEADER;
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#if 0
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s->read_ahead=s->ctx->read_ahead;
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#endif
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if (s->init_buf != NULL)
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{
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BUF_MEM_free(s->init_buf);
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s->init_buf=NULL;
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}
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ssl_clear_cipher_ctx(s);
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s->first_packet=0;
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#if 1
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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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if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))
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{
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s->method->ssl_free(s);
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s->method=s->ctx->method;
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if (!s->method->ssl_new(s))
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return(0);
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}
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else
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#endif
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s->method->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 SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
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{
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STACK_OF(SSL_CIPHER) *sk;
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ctx->method=meth;
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sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
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&(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
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if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
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{
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SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,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 *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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{
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SSLerr(SSL_F_SSL_NEW,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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{
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SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
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return(NULL);
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}
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s=(SSL *)OPENSSL_malloc(sizeof(SSL));
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if (s == NULL) goto err;
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memset(s,0,sizeof(SSL));
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#ifndef OPENSSL_NO_KRB5
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s->kssl_ctx = kssl_ctx_new();
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#endif /* OPENSSL_NO_KRB5 */
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s->options=ctx->options;
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s->mode=ctx->mode;
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s->max_cert_list=ctx->max_cert_list;
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if (ctx->cert != NULL)
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{
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/* Earlier library versions used to copy the pointer to
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* the CERT, not its contents; only when setting new
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* parameters for the per-SSL copy, ssl_cert_new would be
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* called (and the direct reference to the per-SSL_CTX
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* settings would be lost, but those still were indirectly
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* accessed for various purposes, and for that reason they
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* used to be known as s->ctx->default_cert).
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* Now we don't look at the SSL_CTX's CERT after having
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* duplicated it once. */
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s->cert = ssl_cert_dup(ctx->cert);
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if (s->cert == NULL)
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goto err;
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}
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else
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s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
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s->read_ahead=ctx->read_ahead;
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s->msg_callback=ctx->msg_callback;
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s->msg_callback_arg=ctx->msg_callback_arg;
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s->verify_mode=ctx->verify_mode;
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s->verify_depth=ctx->verify_depth;
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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->verify_callback=ctx->default_verify_callback;
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s->generate_session_id=ctx->generate_session_id;
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s->purpose = ctx->purpose;
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s->trust = ctx->trust;
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s->quiet_shutdown=ctx->quiet_shutdown;
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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->verify_result=X509_V_OK;
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s->method=ctx->method;
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if (!s->method->ssl_new(s))
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goto err;
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s->references=1;
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s->server=(ctx->method->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->ex_data);
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return(s);
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err:
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if (s != NULL)
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{
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if (s->cert != NULL)
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ssl_cert_free(s->cert);
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if (s->ctx != NULL)
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SSL_CTX_free(s->ctx); /* decrement reference count */
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OPENSSL_free(s);
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}
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SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
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return(NULL);
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}
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int 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)
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{
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SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,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;
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}
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int 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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{
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if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
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{
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SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
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return 0;
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}
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ssl->sid_ctx_length=sid_ctx_len;
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memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
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return 1;
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}
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int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
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{
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CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
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ctx->generate_session_id = cb;
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CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
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return 1;
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}
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int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
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{
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CRYPTO_w_lock(CRYPTO_LOCK_SSL);
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ssl->generate_session_id = cb;
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CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
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return 1;
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}
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int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
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unsigned int id_len)
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{
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/* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
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* we can "construct" a session to give us the desired check - ie. to
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* find if there's a session in the hash table that would conflict with
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* any new session built out of this id/id_len and the ssl_version in
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* use by this SSL. */
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SSL_SESSION r, *p;
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if(id_len > sizeof r.session_id)
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return 0;
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r.ssl_version = ssl->version;
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r.session_id_length = id_len;
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memcpy(r.session_id, id, id_len);
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/* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
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* callback is calling us to check the uniqueness of a shorter ID, it
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* must be compared as a padded-out ID because that is what it will be
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* converted to when the callback has finished choosing it. */
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if((r.ssl_version == SSL2_VERSION) &&
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(id_len < SSL2_SSL_SESSION_ID_LENGTH))
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{
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memset(r.session_id + id_len, 0,
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SSL2_SSL_SESSION_ID_LENGTH - id_len);
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r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
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}
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CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
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p = (SSL_SESSION *)lh_retrieve(ssl->ctx->sessions, &r);
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CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
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return (p != NULL);
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}
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|
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int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
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{
|
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return X509_PURPOSE_set(&s->purpose, purpose);
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}
|
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|
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int SSL_set_purpose(SSL *s, int purpose)
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{
|
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return X509_PURPOSE_set(&s->purpose, purpose);
|
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}
|
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|
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int SSL_CTX_set_trust(SSL_CTX *s, int trust)
|
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{
|
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return X509_TRUST_set(&s->trust, trust);
|
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}
|
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|
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int SSL_set_trust(SSL *s, int trust)
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{
|
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return X509_TRUST_set(&s->trust, trust);
|
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}
|
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|
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void SSL_free(SSL *s)
|
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{
|
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int i;
|
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|
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if(s == NULL)
|
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return;
|
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|
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i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
|
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#ifdef REF_PRINT
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REF_PRINT("SSL",s);
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#endif
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if (i > 0) return;
|
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#ifdef REF_CHECK
|
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if (i < 0)
|
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{
|
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fprintf(stderr,"SSL_free, bad reference count\n");
|
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abort(); /* ok */
|
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}
|
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#endif
|
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|
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CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
|
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|
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if (s->bbio != NULL)
|
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{
|
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/* If the buffering BIO is in place, pop it off */
|
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if (s->bbio == s->wbio)
|
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{
|
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s->wbio=BIO_pop(s->wbio);
|
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}
|
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BIO_free(s->bbio);
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s->bbio=NULL;
|
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}
|
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if (s->rbio != NULL)
|
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BIO_free_all(s->rbio);
|
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if ((s->wbio != NULL) && (s->wbio != s->rbio))
|
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BIO_free_all(s->wbio);
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|
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if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
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|
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/* add extra stuff */
|
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if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
|
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if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
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|
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/* Make the next call work :-) */
|
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if (s->session != NULL)
|
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{
|
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ssl_clear_bad_session(s);
|
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SSL_SESSION_free(s->session);
|
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}
|
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|
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ssl_clear_cipher_ctx(s);
|
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|
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if (s->cert != NULL) ssl_cert_free(s->cert);
|
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/* Free up if allocated */
|
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|
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if (s->ctx) SSL_CTX_free(s->ctx);
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|
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if (s->client_CA != NULL)
|
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sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
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|
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if (s->method != NULL) s->method->ssl_free(s);
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|
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OPENSSL_free(s);
|
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}
|
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|
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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)
|
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{
|
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s->wbio=s->wbio->next_bio;
|
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s->bbio->next_bio=NULL;
|
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}
|
|
}
|
|
if ((s->rbio != NULL) && (s->rbio != rbio))
|
|
BIO_free_all(s->rbio);
|
|
if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
|
|
BIO_free_all(s->wbio);
|
|
s->rbio=rbio;
|
|
s->wbio=wbio;
|
|
}
|
|
|
|
BIO *SSL_get_rbio(SSL *s)
|
|
{ return(s->rbio); }
|
|
|
|
BIO *SSL_get_wbio(SSL *s)
|
|
{ return(s->wbio); }
|
|
|
|
int SSL_get_fd(SSL *s)
|
|
{
|
|
return(SSL_get_rfd(s));
|
|
}
|
|
|
|
int SSL_get_rfd(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(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);
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_SOCK
|
|
int SSL_set_fd(SSL *s,int fd)
|
|
{
|
|
int ret=0;
|
|
BIO *bio=NULL;
|
|
|
|
bio=BIO_new(BIO_s_socket());
|
|
|
|
if (bio == NULL)
|
|
{
|
|
SSLerr(SSL_F_SSL_SET_FD,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)
|
|
{ SSLerr(SSL_F_SSL_SET_WFD,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)
|
|
{
|
|
SSLerr(SSL_F_SSL_SET_RFD,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);
|
|
}
|
|
#endif
|
|
|
|
|
|
/* return length of latest Finished message we sent, copy to 'buf' */
|
|
size_t SSL_get_finished(SSL *s, void *buf, size_t count)
|
|
{
|
|
size_t ret = 0;
|
|
|
|
if (s->s3 != NULL)
|
|
{
|
|
ret = s->s3->tmp.finish_md_len;
|
|
if (count > ret)
|
|
count = ret;
|
|
memcpy(buf, s->s3->tmp.finish_md, count);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* return length of latest Finished message we expected, copy to 'buf' */
|
|
size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count)
|
|
{
|
|
size_t ret = 0;
|
|
|
|
if (s->s3 != NULL)
|
|
{
|
|
ret = s->s3->tmp.peer_finish_md_len;
|
|
if (count > ret)
|
|
count = ret;
|
|
memcpy(buf, s->s3->tmp.peer_finish_md, count);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
int SSL_get_verify_mode(SSL *s)
|
|
{
|
|
return(s->verify_mode);
|
|
}
|
|
|
|
int SSL_get_verify_depth(SSL *s)
|
|
{
|
|
return(s->verify_depth);
|
|
}
|
|
|
|
int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *)
|
|
{
|
|
return(s->verify_callback);
|
|
}
|
|
|
|
int SSL_CTX_get_verify_mode(SSL_CTX *ctx)
|
|
{
|
|
return(ctx->verify_mode);
|
|
}
|
|
|
|
int SSL_CTX_get_verify_depth(SSL_CTX *ctx)
|
|
{
|
|
return(ctx->verify_depth);
|
|
}
|
|
|
|
int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *)
|
|
{
|
|
return(ctx->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->verify_callback=callback;
|
|
}
|
|
|
|
void SSL_set_verify_depth(SSL *s,int depth)
|
|
{
|
|
s->verify_depth=depth;
|
|
}
|
|
|
|
void SSL_set_read_ahead(SSL *s,int yes)
|
|
{
|
|
s->read_ahead=yes;
|
|
}
|
|
|
|
int SSL_get_read_ahead(SSL *s)
|
|
{
|
|
return(s->read_ahead);
|
|
}
|
|
|
|
int SSL_pending(SSL *s)
|
|
{
|
|
/* SSL_pending cannot work properly if read-ahead is enabled
|
|
* (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
|
|
* and it is impossible to fix since SSL_pending cannot report
|
|
* errors that may be observed while scanning the new data.
|
|
* (Note that SSL_pending() is often used as a boolean value,
|
|
* so we'd better not return -1.)
|
|
*/
|
|
return(s->method->ssl_pending(s));
|
|
}
|
|
|
|
X509 *SSL_get_peer_certificate(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(SSL *s)
|
|
{
|
|
STACK_OF(X509) *r;
|
|
|
|
if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
|
|
r=NULL;
|
|
else
|
|
r=s->session->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 */
|
|
void SSL_copy_session_id(SSL *t,SSL *f)
|
|
{
|
|
CERT *tmp;
|
|
|
|
/* Do we need to to SSL locking? */
|
|
SSL_set_session(t,SSL_get_session(f));
|
|
|
|
/* what if we are setup as SSLv2 but want to talk SSLv3 or
|
|
* vice-versa */
|
|
if (t->method != f->method)
|
|
{
|
|
t->method->ssl_free(t); /* cleanup current */
|
|
t->method=f->method; /* change method */
|
|
t->method->ssl_new(t); /* setup new */
|
|
}
|
|
|
|
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;
|
|
if (tmp != NULL) ssl_cert_free(tmp);
|
|
SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
|
|
}
|
|
|
|
/* Fix this so it checks all the valid key/cert options */
|
|
int SSL_CTX_check_private_key(SSL_CTX *ctx)
|
|
{
|
|
if ( (ctx == NULL) ||
|
|
(ctx->cert == NULL) ||
|
|
(ctx->cert->key->x509 == NULL))
|
|
{
|
|
SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
|
|
return(0);
|
|
}
|
|
if (ctx->cert->key->privatekey == NULL)
|
|
{
|
|
SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
|
|
return(0);
|
|
}
|
|
return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
|
|
}
|
|
|
|
/* Fix this function so that it takes an optional type parameter */
|
|
int SSL_check_private_key(SSL *ssl)
|
|
{
|
|
if (ssl == NULL)
|
|
{
|
|
SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
|
|
return(0);
|
|
}
|
|
if (ssl->cert == NULL)
|
|
{
|
|
SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
|
|
return 0;
|
|
}
|
|
if (ssl->cert->key->x509 == NULL)
|
|
{
|
|
SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
|
|
return(0);
|
|
}
|
|
if (ssl->cert->key->privatekey == NULL)
|
|
{
|
|
SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,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->handshake_func == 0)
|
|
/* Not properly initialized yet */
|
|
SSL_set_accept_state(s);
|
|
|
|
return(s->method->ssl_accept(s));
|
|
}
|
|
|
|
int SSL_connect(SSL *s)
|
|
{
|
|
if (s->handshake_func == 0)
|
|
/* Not properly initialized yet */
|
|
SSL_set_connect_state(s);
|
|
|
|
return(s->method->ssl_connect(s));
|
|
}
|
|
|
|
long SSL_get_default_timeout(SSL *s)
|
|
{
|
|
return(s->method->get_timeout());
|
|
}
|
|
|
|
int SSL_read(SSL *s,void *buf,int num)
|
|
{
|
|
if (s->handshake_func == 0)
|
|
{
|
|
SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
|
|
return -1;
|
|
}
|
|
|
|
if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
|
|
{
|
|
s->rwstate=SSL_NOTHING;
|
|
return(0);
|
|
}
|
|
return(s->method->ssl_read(s,buf,num));
|
|
}
|
|
|
|
int SSL_peek(SSL *s,void *buf,int num)
|
|
{
|
|
if (s->handshake_func == 0)
|
|
{
|
|
SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
|
|
return -1;
|
|
}
|
|
|
|
if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
|
|
{
|
|
return(0);
|
|
}
|
|
return(s->method->ssl_peek(s,buf,num));
|
|
}
|
|
|
|
int SSL_write(SSL *s,const void *buf,int num)
|
|
{
|
|
if (s->handshake_func == 0)
|
|
{
|
|
SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
|
|
return -1;
|
|
}
|
|
|
|
if (s->shutdown & SSL_SENT_SHUTDOWN)
|
|
{
|
|
s->rwstate=SSL_NOTHING;
|
|
SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
|
|
return(-1);
|
|
}
|
|
return(s->method->ssl_write(s,buf,num));
|
|
}
|
|
|
|
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->handshake_func == 0)
|
|
{
|
|
SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
|
|
return -1;
|
|
}
|
|
|
|
if ((s != NULL) && !SSL_in_init(s))
|
|
return(s->method->ssl_shutdown(s));
|
|
else
|
|
return(1);
|
|
}
|
|
|
|
int SSL_renegotiate(SSL *s)
|
|
{
|
|
if (s->new_session == 0)
|
|
{
|
|
s->new_session=1;
|
|
}
|
|
return(s->method->ssl_renegotiate(s));
|
|
}
|
|
|
|
int SSL_renegotiate_pending(SSL *s)
|
|
{
|
|
/* becomes true when negotiation is requested;
|
|
* false again once a handshake has finished */
|
|
return (s->new_session != 0);
|
|
}
|
|
|
|
long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
|
|
{
|
|
long l;
|
|
|
|
switch (cmd)
|
|
{
|
|
case SSL_CTRL_GET_READ_AHEAD:
|
|
return(s->read_ahead);
|
|
case SSL_CTRL_SET_READ_AHEAD:
|
|
l=s->read_ahead;
|
|
s->read_ahead=larg;
|
|
return(l);
|
|
|
|
case SSL_CTRL_SET_MSG_CALLBACK_ARG:
|
|
s->msg_callback_arg = parg;
|
|
return 1;
|
|
|
|
case SSL_CTRL_OPTIONS:
|
|
return(s->options|=larg);
|
|
case SSL_CTRL_MODE:
|
|
return(s->mode|=larg);
|
|
case SSL_CTRL_GET_MAX_CERT_LIST:
|
|
return(s->max_cert_list);
|
|
case SSL_CTRL_SET_MAX_CERT_LIST:
|
|
l=s->max_cert_list;
|
|
s->max_cert_list=larg;
|
|
return(l);
|
|
default:
|
|
return(s->method->ssl_ctrl(s,cmd,larg,parg));
|
|
}
|
|
}
|
|
|
|
long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)())
|
|
{
|
|
switch(cmd)
|
|
{
|
|
case SSL_CTRL_SET_MSG_CALLBACK:
|
|
s->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(s->method->ssl_callback_ctrl(s,cmd,fp));
|
|
}
|
|
}
|
|
|
|
struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
|
|
{
|
|
return ctx->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->read_ahead);
|
|
case SSL_CTRL_SET_READ_AHEAD:
|
|
l=ctx->read_ahead;
|
|
ctx->read_ahead=larg;
|
|
return(l);
|
|
|
|
case SSL_CTRL_SET_MSG_CALLBACK_ARG:
|
|
ctx->msg_callback_arg = parg;
|
|
return 1;
|
|
|
|
case SSL_CTRL_GET_MAX_CERT_LIST:
|
|
return(ctx->max_cert_list);
|
|
case SSL_CTRL_SET_MAX_CERT_LIST:
|
|
l=ctx->max_cert_list;
|
|
ctx->max_cert_list=larg;
|
|
return(l);
|
|
|
|
case SSL_CTRL_SET_SESS_CACHE_SIZE:
|
|
l=ctx->session_cache_size;
|
|
ctx->session_cache_size=larg;
|
|
return(l);
|
|
case SSL_CTRL_GET_SESS_CACHE_SIZE:
|
|
return(ctx->session_cache_size);
|
|
case SSL_CTRL_SET_SESS_CACHE_MODE:
|
|
l=ctx->session_cache_mode;
|
|
ctx->session_cache_mode=larg;
|
|
return(l);
|
|
case SSL_CTRL_GET_SESS_CACHE_MODE:
|
|
return(ctx->session_cache_mode);
|
|
|
|
case SSL_CTRL_SESS_NUMBER:
|
|
return(ctx->sessions->num_items);
|
|
case SSL_CTRL_SESS_CONNECT:
|
|
return(ctx->stats.sess_connect);
|
|
case SSL_CTRL_SESS_CONNECT_GOOD:
|
|
return(ctx->stats.sess_connect_good);
|
|
case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
|
|
return(ctx->stats.sess_connect_renegotiate);
|
|
case SSL_CTRL_SESS_ACCEPT:
|
|
return(ctx->stats.sess_accept);
|
|
case SSL_CTRL_SESS_ACCEPT_GOOD:
|
|
return(ctx->stats.sess_accept_good);
|
|
case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
|
|
return(ctx->stats.sess_accept_renegotiate);
|
|
case SSL_CTRL_SESS_HIT:
|
|
return(ctx->stats.sess_hit);
|
|
case SSL_CTRL_SESS_CB_HIT:
|
|
return(ctx->stats.sess_cb_hit);
|
|
case SSL_CTRL_SESS_MISSES:
|
|
return(ctx->stats.sess_miss);
|
|
case SSL_CTRL_SESS_TIMEOUTS:
|
|
return(ctx->stats.sess_timeout);
|
|
case SSL_CTRL_SESS_CACHE_FULL:
|
|
return(ctx->stats.sess_cache_full);
|
|
case SSL_CTRL_OPTIONS:
|
|
return(ctx->options|=larg);
|
|
case SSL_CTRL_MODE:
|
|
return(ctx->mode|=larg);
|
|
default:
|
|
return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
|
|
}
|
|
}
|
|
|
|
long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
|
|
{
|
|
switch(cmd)
|
|
{
|
|
case SSL_CTRL_SET_MSG_CALLBACK:
|
|
ctx->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(ctx->method->ssl_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);
|
|
}
|
|
|
|
int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
|
|
const SSL_CIPHER * const *bp)
|
|
{
|
|
long l;
|
|
|
|
l=(*ap)->id-(*bp)->id;
|
|
if (l == 0L)
|
|
return(0);
|
|
else
|
|
return((l > 0)?1:-1);
|
|
}
|
|
|
|
/** return a STACK of the ciphers available for the SSL and in order of
|
|
* preference */
|
|
STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
|
|
{
|
|
if (s != NULL)
|
|
{
|
|
if (s->cipher_list != NULL)
|
|
{
|
|
return(s->cipher_list);
|
|
}
|
|
else if ((s->ctx != NULL) &&
|
|
(s->ctx->cipher_list != NULL))
|
|
{
|
|
return(s->ctx->cipher_list);
|
|
}
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/** return a STACK of the ciphers available for the SSL and in order of
|
|
* algorithm id */
|
|
STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
|
|
{
|
|
if (s != NULL)
|
|
{
|
|
if (s->cipher_list_by_id != NULL)
|
|
{
|
|
return(s->cipher_list_by_id);
|
|
}
|
|
else if ((s->ctx != NULL) &&
|
|
(s->ctx->cipher_list_by_id != NULL))
|
|
{
|
|
return(s->ctx->cipher_list_by_id);
|
|
}
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/** The old interface to get the same thing as SSL_get_ciphers() */
|
|
const char *SSL_get_cipher_list(SSL *s,int n)
|
|
{
|
|
SSL_CIPHER *c;
|
|
STACK_OF(SSL_CIPHER) *sk;
|
|
|
|
if (s == NULL) return(NULL);
|
|
sk=SSL_get_ciphers(s);
|
|
if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
|
|
return(NULL);
|
|
c=sk_SSL_CIPHER_value(sk,n);
|
|
if (c == NULL) return(NULL);
|
|
return(c->name);
|
|
}
|
|
|
|
/** 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) *sk;
|
|
|
|
sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
|
|
&ctx->cipher_list_by_id,str);
|
|
/* XXXX */
|
|
return((sk == NULL)?0:1);
|
|
}
|
|
|
|
/** specify the ciphers to be used by the SSL */
|
|
int SSL_set_cipher_list(SSL *s,const char *str)
|
|
{
|
|
STACK_OF(SSL_CIPHER) *sk;
|
|
|
|
sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
|
|
&s->cipher_list_by_id,str);
|
|
/* XXXX */
|
|
return((sk == NULL)?0:1);
|
|
}
|
|
|
|
/* works well for SSLv2, not so good for SSLv3 */
|
|
char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
|
|
{
|
|
char *p;
|
|
const char *cp;
|
|
STACK_OF(SSL_CIPHER) *sk;
|
|
SSL_CIPHER *c;
|
|
int i;
|
|
|
|
if ((s->session == NULL) || (s->session->ciphers == NULL) ||
|
|
(len < 2))
|
|
return(NULL);
|
|
|
|
p=buf;
|
|
sk=s->session->ciphers;
|
|
for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
|
|
{
|
|
/* Decrement for either the ':' or a '\0' */
|
|
len--;
|
|
c=sk_SSL_CIPHER_value(sk,i);
|
|
for (cp=c->name; *cp; )
|
|
{
|
|
if (len-- == 0)
|
|
{
|
|
*p='\0';
|
|
return(buf);
|
|
}
|
|
else
|
|
*(p++)= *(cp++);
|
|
}
|
|
*(p++)=':';
|
|
}
|
|
p[-1]='\0';
|
|
return(buf);
|
|
}
|
|
|
|
int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
|
|
{
|
|
int i,j=0;
|
|
SSL_CIPHER *c;
|
|
unsigned char *q;
|
|
#ifndef OPENSSL_NO_KRB5
|
|
int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
|
|
#endif /* OPENSSL_NO_KRB5 */
|
|
|
|
if (sk == NULL) return(0);
|
|
q=p;
|
|
|
|
for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
|
|
{
|
|
c=sk_SSL_CIPHER_value(sk,i);
|
|
#ifndef OPENSSL_NO_KRB5
|
|
if ((c->algorithms & SSL_KRB5) && nokrb5)
|
|
continue;
|
|
#endif /* OPENSSL_NO_KRB5 */
|
|
j=ssl_put_cipher_by_char(s,c,p);
|
|
p+=j;
|
|
}
|
|
return(p-q);
|
|
}
|
|
|
|
STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
|
|
STACK_OF(SSL_CIPHER) **skp)
|
|
{
|
|
SSL_CIPHER *c;
|
|
STACK_OF(SSL_CIPHER) *sk;
|
|
int i,n;
|
|
|
|
n=ssl_put_cipher_by_char(s,NULL,NULL);
|
|
if ((num%n) != 0)
|
|
{
|
|
SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
|
|
return(NULL);
|
|
}
|
|
if ((skp == NULL) || (*skp == NULL))
|
|
sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
|
|
else
|
|
{
|
|
sk= *skp;
|
|
sk_SSL_CIPHER_zero(sk);
|
|
}
|
|
|
|
for (i=0; i<num; i+=n)
|
|
{
|
|
c=ssl_get_cipher_by_char(s,p);
|
|
p+=n;
|
|
if (c != NULL)
|
|
{
|
|
if (!sk_SSL_CIPHER_push(sk,c))
|
|
{
|
|
SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
|
|
goto err;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (skp != NULL)
|
|
*skp=sk;
|
|
return(sk);
|
|
err:
|
|
if ((skp == NULL) || (*skp == NULL))
|
|
sk_SSL_CIPHER_free(sk);
|
|
return(NULL);
|
|
}
|
|
|
|
unsigned long SSL_SESSION_hash(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. */
|
|
int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
|
|
{
|
|
if (a->ssl_version != b->ssl_version)
|
|
return(1);
|
|
if (a->session_id_length != b->session_id_length)
|
|
return(1);
|
|
return(memcmp(a->session_id,b->session_id,a->session_id_length));
|
|
}
|
|
|
|
/* 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 IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
|
|
static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
|
|
|
|
SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
|
|
{
|
|
SSL_CTX *ret=NULL;
|
|
|
|
if (meth == NULL)
|
|
{
|
|
SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
|
|
return(NULL);
|
|
}
|
|
|
|
if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
|
|
{
|
|
SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
|
|
goto err;
|
|
}
|
|
ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
|
|
if (ret == NULL)
|
|
goto err;
|
|
|
|
memset(ret,0,sizeof(SSL_CTX));
|
|
|
|
ret->method=meth;
|
|
|
|
ret->cert_store=NULL;
|
|
ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
|
|
ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
|
|
ret->session_cache_head=NULL;
|
|
ret->session_cache_tail=NULL;
|
|
|
|
/* We take the system default */
|
|
ret->session_timeout=meth->get_timeout();
|
|
|
|
ret->new_session_cb=0;
|
|
ret->remove_session_cb=0;
|
|
ret->get_session_cb=0;
|
|
ret->generate_session_id=0;
|
|
|
|
memset((char *)&ret->stats,0,sizeof(ret->stats));
|
|
|
|
ret->references=1;
|
|
ret->quiet_shutdown=0;
|
|
|
|
/* ret->cipher=NULL;*/
|
|
/* ret->s2->challenge=NULL;
|
|
ret->master_key=NULL;
|
|
ret->key_arg=NULL;
|
|
ret->s2->conn_id=NULL; */
|
|
|
|
ret->info_callback=NULL;
|
|
|
|
ret->app_verify_callback=0;
|
|
ret->app_verify_arg=NULL;
|
|
|
|
ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
|
|
ret->read_ahead=0;
|
|
ret->msg_callback=0;
|
|
ret->msg_callback_arg=NULL;
|
|
ret->verify_mode=SSL_VERIFY_NONE;
|
|
ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
|
|
ret->sid_ctx_length=0;
|
|
ret->default_verify_callback=NULL;
|
|
if ((ret->cert=ssl_cert_new()) == NULL)
|
|
goto err;
|
|
|
|
ret->default_passwd_callback=0;
|
|
ret->default_passwd_callback_userdata=NULL;
|
|
ret->client_cert_cb=0;
|
|
|
|
ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
|
|
LHASH_COMP_FN(SSL_SESSION_cmp));
|
|
if (ret->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,&ret->cipher_list_by_id,
|
|
SSL_DEFAULT_CIPHER_LIST);
|
|
if (ret->cipher_list == NULL
|
|
|| sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
|
|
{
|
|
SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
|
|
goto err2;
|
|
}
|
|
|
|
if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
|
|
{
|
|
SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
|
|
goto err2;
|
|
}
|
|
if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
|
|
{
|
|
SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
|
|
goto err2;
|
|
}
|
|
if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
|
|
{
|
|
SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
|
|
goto err2;
|
|
}
|
|
|
|
if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
|
|
goto err;
|
|
|
|
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
|
|
|
|
ret->extra_certs=NULL;
|
|
ret->comp_methods=SSL_COMP_get_compression_methods();
|
|
|
|
return(ret);
|
|
err:
|
|
SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
|
|
err2:
|
|
if (ret != NULL) SSL_CTX_free(ret);
|
|
return(NULL);
|
|
}
|
|
|
|
#if 0
|
|
static void SSL_COMP_free(SSL_COMP *comp)
|
|
{ OPENSSL_free(comp); }
|
|
#endif
|
|
|
|
void SSL_CTX_free(SSL_CTX *a)
|
|
{
|
|
int i;
|
|
|
|
if (a == NULL) return;
|
|
|
|
i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
|
|
#ifdef REF_PRINT
|
|
REF_PRINT("SSL_CTX",a);
|
|
#endif
|
|
if (i > 0) return;
|
|
#ifdef REF_CHECK
|
|
if (i < 0)
|
|
{
|
|
fprintf(stderr,"SSL_CTX_free, bad reference count\n");
|
|
abort(); /* ok */
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* 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 (a->sessions != NULL)
|
|
SSL_CTX_flush_sessions(a,0);
|
|
|
|
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
|
|
|
|
if (a->sessions != NULL)
|
|
lh_free(a->sessions);
|
|
|
|
if (a->cert_store != NULL)
|
|
X509_STORE_free(a->cert_store);
|
|
if (a->cipher_list != NULL)
|
|
sk_SSL_CIPHER_free(a->cipher_list);
|
|
if (a->cipher_list_by_id != NULL)
|
|
sk_SSL_CIPHER_free(a->cipher_list_by_id);
|
|
if (a->cert != NULL)
|
|
ssl_cert_free(a->cert);
|
|
if (a->client_CA != NULL)
|
|
sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
|
|
if (a->extra_certs != NULL)
|
|
sk_X509_pop_free(a->extra_certs,X509_free);
|
|
#if 0 /* This should never be done, since it removes a global database */
|
|
if (a->comp_methods != NULL)
|
|
sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
|
|
#else
|
|
a->comp_methods = NULL;
|
|
#endif
|
|
OPENSSL_free(a);
|
|
}
|
|
|
|
void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
|
|
{
|
|
ctx->default_passwd_callback=cb;
|
|
}
|
|
|
|
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->app_verify_callback=cb;
|
|
ctx->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->default_verify_callback=cb;
|
|
}
|
|
|
|
void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
|
|
{
|
|
ctx->verify_depth=depth;
|
|
}
|
|
|
|
void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
|
|
{
|
|
CERT_PKEY *cpk;
|
|
int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
|
|
int rsa_enc_export,dh_rsa_export,dh_dsa_export;
|
|
int rsa_tmp_export,dh_tmp_export,kl;
|
|
unsigned long mask,emask;
|
|
|
|
if (c == NULL) return;
|
|
|
|
kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
|
|
|
|
#ifndef OPENSSL_NO_RSA
|
|
rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
|
|
rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
|
|
(rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
|
|
#else
|
|
rsa_tmp=rsa_tmp_export=0;
|
|
#endif
|
|
#ifndef OPENSSL_NO_DH
|
|
dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
|
|
dh_tmp_export=(c->dh_tmp_cb != NULL ||
|
|
(dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
|
|
#else
|
|
dh_tmp=dh_tmp_export=0;
|
|
#endif
|
|
|
|
cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
|
|
rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
|
|
rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
|
|
cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
|
|
rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
|
|
cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
|
|
dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
|
|
cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
|
|
dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
|
|
dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
|
|
cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
|
|
/* FIX THIS EAY EAY EAY */
|
|
dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
|
|
dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
|
|
|
|
mask=0;
|
|
emask=0;
|
|
|
|
#ifdef CIPHER_DEBUG
|
|
printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
|
|
rsa_tmp,rsa_tmp_export,dh_tmp,
|
|
rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
|
|
#endif
|
|
|
|
if (rsa_enc || (rsa_tmp && rsa_sign))
|
|
mask|=SSL_kRSA;
|
|
if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
|
|
emask|=SSL_kRSA;
|
|
|
|
#if 0
|
|
/* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
|
|
if ( (dh_tmp || dh_rsa || dh_dsa) &&
|
|
(rsa_enc || rsa_sign || dsa_sign))
|
|
mask|=SSL_kEDH;
|
|
if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
|
|
(rsa_enc || rsa_sign || dsa_sign))
|
|
emask|=SSL_kEDH;
|
|
#endif
|
|
|
|
if (dh_tmp_export)
|
|
emask|=SSL_kEDH;
|
|
|
|
if (dh_tmp)
|
|
mask|=SSL_kEDH;
|
|
|
|
if (dh_rsa) mask|=SSL_kDHr;
|
|
if (dh_rsa_export) emask|=SSL_kDHr;
|
|
|
|
if (dh_dsa) mask|=SSL_kDHd;
|
|
if (dh_dsa_export) emask|=SSL_kDHd;
|
|
|
|
if (rsa_enc || rsa_sign)
|
|
{
|
|
mask|=SSL_aRSA;
|
|
emask|=SSL_aRSA;
|
|
}
|
|
|
|
if (dsa_sign)
|
|
{
|
|
mask|=SSL_aDSS;
|
|
emask|=SSL_aDSS;
|
|
}
|
|
|
|
mask|=SSL_aNULL;
|
|
emask|=SSL_aNULL;
|
|
|
|
#ifndef OPENSSL_NO_KRB5
|
|
mask|=SSL_kKRB5|SSL_aKRB5;
|
|
emask|=SSL_kKRB5|SSL_aKRB5;
|
|
#endif
|
|
|
|
c->mask=mask;
|
|
c->export_mask=emask;
|
|
c->valid=1;
|
|
}
|
|
|
|
/* THIS NEEDS CLEANING UP */
|
|
X509 *ssl_get_server_send_cert(SSL *s)
|
|
{
|
|
unsigned long alg,mask,kalg;
|
|
CERT *c;
|
|
int i,is_export;
|
|
|
|
c=s->cert;
|
|
ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
|
|
alg=s->s3->tmp.new_cipher->algorithms;
|
|
is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
|
|
mask=is_export?c->export_mask:c->mask;
|
|
kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
|
|
|
|
if (kalg & SSL_kDHr)
|
|
i=SSL_PKEY_DH_RSA;
|
|
else if (kalg & SSL_kDHd)
|
|
i=SSL_PKEY_DH_DSA;
|
|
else if (kalg & SSL_aDSS)
|
|
i=SSL_PKEY_DSA_SIGN;
|
|
else if (kalg & SSL_aRSA)
|
|
{
|
|
if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
|
|
i=SSL_PKEY_RSA_SIGN;
|
|
else
|
|
i=SSL_PKEY_RSA_ENC;
|
|
}
|
|
else if (kalg & SSL_aKRB5)
|
|
{
|
|
/* VRS something else here? */
|
|
return(NULL);
|
|
}
|
|
else /* if (kalg & SSL_aNULL) */
|
|
{
|
|
SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
|
|
return(NULL);
|
|
}
|
|
if (c->pkeys[i].x509 == NULL) return(NULL);
|
|
return(c->pkeys[i].x509);
|
|
}
|
|
|
|
EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
|
|
{
|
|
unsigned long alg;
|
|
CERT *c;
|
|
|
|
alg=cipher->algorithms;
|
|
c=s->cert;
|
|
|
|
if ((alg & SSL_aDSS) &&
|
|
(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
|
|
return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
|
|
else if (alg & SSL_aRSA)
|
|
{
|
|
if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
|
|
return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
|
|
else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
|
|
return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
|
|
else
|
|
return(NULL);
|
|
}
|
|
else /* if (alg & SSL_aNULL) */
|
|
{
|
|
SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
|
|
return(NULL);
|
|
}
|
|
}
|
|
|
|
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->ctx->session_cache_mode;
|
|
if ((i & mode) && (!s->hit)
|
|
&& ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
|
|
|| SSL_CTX_add_session(s->ctx,s->session))
|
|
&& (s->ctx->new_session_cb != NULL))
|
|
{
|
|
CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
|
|
if (!s->ctx->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->ctx->stats.sess_connect_good
|
|
:s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
|
|
{
|
|
SSL_CTX_flush_sessions(s->ctx,time(NULL));
|
|
}
|
|
}
|
|
}
|
|
|
|
SSL_METHOD *SSL_get_ssl_method(SSL *s)
|
|
{
|
|
return(s->method);
|
|
}
|
|
|
|
int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
|
|
{
|
|
int conn= -1;
|
|
int ret=1;
|
|
|
|
if (s->method != meth)
|
|
{
|
|
if (s->handshake_func != NULL)
|
|
conn=(s->handshake_func == s->method->ssl_connect);
|
|
|
|
if (s->method->version == meth->version)
|
|
s->method=meth;
|
|
else
|
|
{
|
|
s->method->ssl_free(s);
|
|
s->method=meth;
|
|
ret=s->method->ssl_new(s);
|
|
}
|
|
|
|
if (conn == 1)
|
|
s->handshake_func=meth->ssl_connect;
|
|
else if (conn == 0)
|
|
s->handshake_func=meth->ssl_accept;
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
int SSL_get_error(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->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->version == SSL2_VERSION)
|
|
{
|
|
/* assume it is the socket being closed */
|
|
return(SSL_ERROR_ZERO_RETURN);
|
|
}
|
|
else
|
|
{
|
|
if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
|
|
(s->s3->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->handshake_func == NULL)
|
|
{
|
|
SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
|
|
return(-1);
|
|
}
|
|
|
|
s->method->ssl_renegotiate_check(s);
|
|
|
|
if (SSL_in_init(s) || SSL_in_before(s))
|
|
{
|
|
ret=s->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->shutdown=0;
|
|
s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
|
|
s->handshake_func=s->method->ssl_accept;
|
|
/* clear the current cipher */
|
|
ssl_clear_cipher_ctx(s);
|
|
}
|
|
|
|
void SSL_set_connect_state(SSL *s)
|
|
{
|
|
s->server=0;
|
|
s->shutdown=0;
|
|
s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
|
|
s->handshake_func=s->method->ssl_connect;
|
|
/* clear the current cipher */
|
|
ssl_clear_cipher_ctx(s);
|
|
}
|
|
|
|
int ssl_undefined_function(SSL *s)
|
|
{
|
|
SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
|
|
return(0);
|
|
}
|
|
|
|
SSL_METHOD *ssl_bad_method(int ver)
|
|
{
|
|
SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
|
|
return(NULL);
|
|
}
|
|
|
|
const char *SSL_get_version(SSL *s)
|
|
{
|
|
if (s->version == TLS1_VERSION)
|
|
return("TLSv1");
|
|
else if (s->version == SSL3_VERSION)
|
|
return("SSLv3");
|
|
else if (s->version == SSL2_VERSION)
|
|
return("SSLv2");
|
|
else
|
|
return("unknown");
|
|
}
|
|
|
|
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)
|
|
return(NULL);
|
|
|
|
ret->version = s->version;
|
|
ret->type = s->type;
|
|
ret->method = s->method;
|
|
|
|
if (s->session != NULL)
|
|
{
|
|
/* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
|
|
SSL_copy_session_id(ret,s);
|
|
}
|
|
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 = s->method;
|
|
ret->method->ssl_new(ret);
|
|
|
|
if (s->cert != NULL)
|
|
{
|
|
if (ret->cert != NULL)
|
|
{
|
|
ssl_cert_free(ret->cert);
|
|
}
|
|
ret->cert = ssl_cert_dup(s->cert);
|
|
if (ret->cert == NULL)
|
|
goto err;
|
|
}
|
|
|
|
SSL_set_session_id_context(ret,
|
|
s->sid_ctx, s->sid_ctx_length);
|
|
}
|
|
|
|
ret->options=s->options;
|
|
ret->mode=s->mode;
|
|
SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));
|
|
SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
|
|
ret->msg_callback = s->msg_callback;
|
|
ret->msg_callback_arg = s->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->generate_session_id = s->generate_session_id;
|
|
|
|
SSL_set_info_callback(ret,SSL_get_info_callback(s));
|
|
|
|
ret->debug=s->debug;
|
|
|
|
/* copy app data, a little dangerous perhaps */
|
|
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->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->rwstate = s->rwstate;
|
|
ret->in_handshake = s->in_handshake;
|
|
ret->handshake_func = s->handshake_func;
|
|
ret->server = s->server;
|
|
ret->new_session = s->new_session;
|
|
ret->quiet_shutdown = s->quiet_shutdown;
|
|
ret->shutdown=s->shutdown;
|
|
ret->state=s->state; /* SSL_dup does not really work at any state, though */
|
|
ret->rstate=s->rstate;
|
|
ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
|
|
ret->hit=s->hit;
|
|
ret->purpose=s->purpose;
|
|
ret->trust=s->trust;
|
|
|
|
/* dup the cipher_list and cipher_list_by_id stacks */
|
|
if (s->cipher_list != NULL)
|
|
{
|
|
if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
|
|
goto err;
|
|
}
|
|
if (s->cipher_list_by_id != NULL)
|
|
if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
|
|
== NULL)
|
|
goto err;
|
|
|
|
/* Dup the client_CA list */
|
|
if (s->client_CA != NULL)
|
|
{
|
|
if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
|
|
ret->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;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (0)
|
|
{
|
|
err:
|
|
if (ret != NULL) SSL_free(ret);
|
|
ret=NULL;
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
void ssl_clear_cipher_ctx(SSL *s)
|
|
{
|
|
if (s->enc_read_ctx != NULL)
|
|
{
|
|
EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
|
|
OPENSSL_free(s->enc_read_ctx);
|
|
s->enc_read_ctx=NULL;
|
|
}
|
|
if (s->enc_write_ctx != NULL)
|
|
{
|
|
EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
|
|
OPENSSL_free(s->enc_write_ctx);
|
|
s->enc_write_ctx=NULL;
|
|
}
|
|
if (s->expand != NULL)
|
|
{
|
|
COMP_CTX_free(s->expand);
|
|
s->expand=NULL;
|
|
}
|
|
if (s->compress != NULL)
|
|
{
|
|
COMP_CTX_free(s->compress);
|
|
s->compress=NULL;
|
|
}
|
|
}
|
|
|
|
/* Fix this function so that it takes an optional type parameter */
|
|
X509 *SSL_get_certificate(SSL *s)
|
|
{
|
|
if (s->cert != NULL)
|
|
return(s->cert->key->x509);
|
|
else
|
|
return(NULL);
|
|
}
|
|
|
|
/* Fix this function so that it takes an optional type parameter */
|
|
EVP_PKEY *SSL_get_privatekey(SSL *s)
|
|
{
|
|
if (s->cert != NULL)
|
|
return(s->cert->key->privatekey);
|
|
else
|
|
return(NULL);
|
|
}
|
|
|
|
SSL_CIPHER *SSL_get_current_cipher(SSL *s)
|
|
{
|
|
if ((s->session != NULL) && (s->session->cipher != NULL))
|
|
return(s->session->cipher);
|
|
return(NULL);
|
|
}
|
|
|
|
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))
|
|
{
|
|
SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,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->bbio == NULL) return;
|
|
|
|
if (s->bbio == s->wbio)
|
|
{
|
|
/* remove buffering */
|
|
s->wbio=BIO_pop(s->wbio);
|
|
#ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
|
|
assert(s->wbio != NULL);
|
|
#endif
|
|
}
|
|
BIO_free(s->bbio);
|
|
s->bbio=NULL;
|
|
}
|
|
|
|
void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
|
|
{
|
|
ctx->quiet_shutdown=mode;
|
|
}
|
|
|
|
int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
|
|
{
|
|
return(ctx->quiet_shutdown);
|
|
}
|
|
|
|
void SSL_set_quiet_shutdown(SSL *s,int mode)
|
|
{
|
|
s->quiet_shutdown=mode;
|
|
}
|
|
|
|
int SSL_get_quiet_shutdown(SSL *s)
|
|
{
|
|
return(s->quiet_shutdown);
|
|
}
|
|
|
|
void SSL_set_shutdown(SSL *s,int mode)
|
|
{
|
|
s->shutdown=mode;
|
|
}
|
|
|
|
int SSL_get_shutdown(SSL *s)
|
|
{
|
|
return(s->shutdown);
|
|
}
|
|
|
|
int SSL_version(SSL *s)
|
|
{
|
|
return(s->version);
|
|
}
|
|
|
|
SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
|
|
{
|
|
return(ssl->ctx);
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_STDIO
|
|
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));
|
|
}
|
|
#endif
|
|
|
|
void SSL_set_info_callback(SSL *ssl,
|
|
void (*cb)(const SSL *ssl,int type,int val))
|
|
{
|
|
ssl->info_callback=cb;
|
|
}
|
|
|
|
void (*SSL_get_info_callback(SSL *ssl))(const SSL *ssl,int type,int val)
|
|
{
|
|
return ssl->info_callback;
|
|
}
|
|
|
|
int SSL_state(SSL *ssl)
|
|
{
|
|
return(ssl->state);
|
|
}
|
|
|
|
void SSL_set_verify_result(SSL *ssl,long arg)
|
|
{
|
|
ssl->verify_result=arg;
|
|
}
|
|
|
|
long SSL_get_verify_result(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->ex_data,idx,arg));
|
|
}
|
|
|
|
void *SSL_get_ex_data(SSL *s,int idx)
|
|
{
|
|
return(CRYPTO_get_ex_data(&s->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->ex_data,idx,arg));
|
|
}
|
|
|
|
void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
|
|
{
|
|
return(CRYPTO_get_ex_data(&s->ex_data,idx));
|
|
}
|
|
|
|
int ssl_ok(SSL *s)
|
|
{
|
|
return(1);
|
|
}
|
|
|
|
X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
|
|
{
|
|
return(ctx->cert_store);
|
|
}
|
|
|
|
void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
|
|
{
|
|
if (ctx->cert_store != NULL)
|
|
X509_STORE_free(ctx->cert_store);
|
|
ctx->cert_store=store;
|
|
}
|
|
|
|
int SSL_want(SSL *s)
|
|
{
|
|
return(s->rwstate);
|
|
}
|
|
|
|
/*!
|
|
* \brief Set the callback for generating temporary RSA keys.
|
|
* \param ctx the SSL context.
|
|
* \param cb the callback
|
|
*/
|
|
|
|
#ifndef OPENSSL_NO_RSA
|
|
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 (*)())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 (*)())cb);
|
|
}
|
|
#endif
|
|
|
|
#ifdef DOXYGEN
|
|
/*!
|
|
* \brief The RSA temporary key callback function.
|
|
* \param ssl the SSL session.
|
|
* \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
|
|
* \param keylength if \c is_export is \c TRUE, then \c keylength is the size
|
|
* of the required key in bits.
|
|
* \return the temporary RSA key.
|
|
* \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
|
|
*/
|
|
|
|
RSA *cb(SSL *ssl,int is_export,int keylength)
|
|
{}
|
|
#endif
|
|
|
|
/*!
|
|
* \brief Set the callback for generating temporary DH keys.
|
|
* \param ctx the SSL context.
|
|
* \param dh the callback
|
|
*/
|
|
|
|
#ifndef OPENSSL_NO_DH
|
|
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 (*)())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 (*)())dh);
|
|
}
|
|
#endif
|
|
|
|
|
|
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 (*)())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 (*)())cb);
|
|
}
|
|
|
|
|
|
|
|
#if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
|
|
#include "../crypto/bio/bss_file.c"
|
|
#endif
|
|
|
|
IMPLEMENT_STACK_OF(SSL_CIPHER)
|
|
IMPLEMENT_STACK_OF(SSL_COMP)
|