1386 lines
50 KiB
C
1386 lines
50 KiB
C
/* 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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#ifndef HEADER_SSL_LOCL_H
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#define HEADER_SSL_LOCL_H
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#include <openssl/base.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <openssl/aead.h>
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#include <openssl/bio.h>
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#include <openssl/buf.h>
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#include <openssl/dsa.h>
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#include <openssl/err.h>
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#include <openssl/rsa.h>
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#include <openssl/ssl.h>
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#include <openssl/stack.h>
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#undef PKCS1_CHECK
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#define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
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l|=(((unsigned long)(*((c)++)))<< 8), \
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l|=(((unsigned long)(*((c)++)))<<16), \
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l|=(((unsigned long)(*((c)++)))<<24))
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/* NOTE - c is not incremented as per c2l */
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#define c2ln(c,l1,l2,n) { \
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c+=n; \
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l1=l2=0; \
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switch (n) { \
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case 8: l2 =((unsigned long)(*(--(c))))<<24; \
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case 7: l2|=((unsigned long)(*(--(c))))<<16; \
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case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
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case 5: l2|=((unsigned long)(*(--(c)))); \
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case 4: l1 =((unsigned long)(*(--(c))))<<24; \
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case 3: l1|=((unsigned long)(*(--(c))))<<16; \
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case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
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case 1: l1|=((unsigned long)(*(--(c)))); \
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} \
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}
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#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16)&0xff), \
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*((c)++)=(unsigned char)(((l)>>24)&0xff))
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#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
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l|=((unsigned long)(*((c)++)))<<16, \
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l|=((unsigned long)(*((c)++)))<< 8, \
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l|=((unsigned long)(*((c)++))))
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#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16)&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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*((c)++)=(unsigned char)(((l) )&0xff))
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#define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
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*((c)++)=(unsigned char)(((l)>>32)&0xff), \
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*((c)++)=(unsigned char)(((l)>>24)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16)&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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*((c)++)=(unsigned char)(((l) )&0xff))
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#define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \
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*((c)++)=(unsigned char)(((l)>>48)&0xff), \
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*((c)++)=(unsigned char)(((l)>>40)&0xff), \
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*((c)++)=(unsigned char)(((l)>>32)&0xff), \
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*((c)++)=(unsigned char)(((l)>>24)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16)&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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*((c)++)=(unsigned char)(((l) )&0xff))
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#define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \
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l|=((BN_ULLONG)(*((c)++)))<<32, \
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l|=((BN_ULLONG)(*((c)++)))<<24, \
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l|=((BN_ULLONG)(*((c)++)))<<16, \
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l|=((BN_ULLONG)(*((c)++)))<< 8, \
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l|=((BN_ULLONG)(*((c)++))))
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/* NOTE - c is not incremented as per l2c */
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#define l2cn(l1,l2,c,n) { \
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c+=n; \
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switch (n) { \
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case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
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case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
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case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
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case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
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case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
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case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
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case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
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case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
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} \
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}
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#define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \
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(((unsigned int)(c[1])) )),c+=2)
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#define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
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c[1]=(unsigned char)(((s) )&0xff)),c+=2)
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#define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \
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(((unsigned long)(c[1]))<< 8)| \
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(((unsigned long)(c[2])) )),c+=3)
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#define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
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c[1]=(unsigned char)(((l)>> 8)&0xff), \
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c[2]=(unsigned char)(((l) )&0xff)),c+=3)
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/* LOCAL STUFF */
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#define SSL_DECRYPT 0
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#define SSL_ENCRYPT 1
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#define TWO_BYTE_BIT 0x80
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#define SEC_ESC_BIT 0x40
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#define TWO_BYTE_MASK 0x7fff
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#define THREE_BYTE_MASK 0x3fff
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#define INC32(a) ((a)=((a)+1)&0xffffffffL)
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#define DEC32(a) ((a)=((a)-1)&0xffffffffL)
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#define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
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/*
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* Define the Bitmasks for SSL_CIPHER.algorithms.
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* This bits are used packed as dense as possible. If new methods/ciphers
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* etc will be added, the bits a likely to change, so this information
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* is for internal library use only, even though SSL_CIPHER.algorithms
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* can be publicly accessed.
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* Use the according functions for cipher management instead.
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*
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* The bit mask handling in the selection and sorting scheme in
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* ssl_create_cipher_list() has only limited capabilities, reflecting
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* that the different entities within are mutually exclusive:
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* ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
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*/
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/* Bits for algorithm_mkey (key exchange algorithm) */
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#define SSL_kRSA 0x00000001L /* RSA key exchange */
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#define SSL_kDHr 0x00000002L /* DH cert, RSA CA cert */
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#define SSL_kDHd 0x00000004L /* DH cert, DSA CA cert */
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#define SSL_kEDH 0x00000008L /* tmp DH key no DH cert */
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#define SSL_kKRB5 0x00000010L /* Kerberos5 key exchange */
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#define SSL_kECDHr 0x00000020L /* ECDH cert, RSA CA cert */
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#define SSL_kECDHe 0x00000040L /* ECDH cert, ECDSA CA cert */
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#define SSL_kEECDH 0x00000080L /* ephemeral ECDH */
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#define SSL_kPSK 0x00000100L /* PSK */
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#define SSL_kGOST 0x00000200L /* GOST key exchange */
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#define SSL_kSRP 0x00000400L /* SRP */
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/* Bits for algorithm_auth (server authentication) */
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#define SSL_aRSA 0x00000001L /* RSA auth */
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#define SSL_aDSS 0x00000002L /* DSS auth */
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#define SSL_aNULL 0x00000004L /* no auth (i.e. use ADH or AECDH) */
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#define SSL_aDH 0x00000008L /* Fixed DH auth (kDHd or kDHr) */
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#define SSL_aECDH 0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */
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#define SSL_aKRB5 0x00000020L /* KRB5 auth */
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#define SSL_aECDSA 0x00000040L /* ECDSA auth*/
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#define SSL_aPSK 0x00000080L /* PSK auth */
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#define SSL_aGOST94 0x00000100L /* GOST R 34.10-94 signature auth */
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#define SSL_aGOST01 0x00000200L /* GOST R 34.10-2001 signature auth */
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/* Bits for algorithm_enc (symmetric encryption) */
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#define SSL_DES 0x00000001L
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#define SSL_3DES 0x00000002L
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#define SSL_RC4 0x00000004L
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#define SSL_RC2 0x00000008L
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#define SSL_IDEA 0x00000010L
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#define SSL_eNULL 0x00000020L
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#define SSL_AES128 0x00000040L
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#define SSL_AES256 0x00000080L
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#define SSL_CAMELLIA128 0x00000100L
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#define SSL_CAMELLIA256 0x00000200L
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#define SSL_eGOST2814789CNT 0x00000400L
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#define SSL_SEED 0x00000800L
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#define SSL_AES128GCM 0x00001000L
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#define SSL_AES256GCM 0x00002000L
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#define SSL_CHACHA20POLY1305 0x00004000L
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#define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM)
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#define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
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/* Bits for algorithm_mac (symmetric authentication) */
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#define SSL_MD5 0x00000001L
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#define SSL_SHA1 0x00000002L
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#define SSL_GOST94 0x00000004L
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#define SSL_GOST89MAC 0x00000008L
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#define SSL_SHA256 0x00000010L
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#define SSL_SHA384 0x00000020L
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/* Not a real MAC, just an indication it is part of cipher */
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#define SSL_AEAD 0x00000040L
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/* Bits for algorithm_ssl (protocol version) */
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#define SSL_SSLV2 0x00000001L
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#define SSL_SSLV3 0x00000002L
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#define SSL_TLSV1 SSL_SSLV3 /* for now */
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#define SSL_TLSV1_2 0x00000004L
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/* Bits for algorithm2 (handshake digests and other extra flags) */
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#define SSL_HANDSHAKE_MAC_MD5 0x10
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#define SSL_HANDSHAKE_MAC_SHA 0x20
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#define SSL_HANDSHAKE_MAC_GOST94 0x40
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#define SSL_HANDSHAKE_MAC_SHA256 0x80
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#define SSL_HANDSHAKE_MAC_SHA384 0x100
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#define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA)
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/* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX
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* make sure to update this constant too */
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#define SSL_MAX_DIGEST 6
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#define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT)
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#define TLS1_PRF_DGST_SHIFT 10
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#define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT)
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#define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT)
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#define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT)
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#define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT)
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#define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT)
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#define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1)
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/* Stream MAC for GOST ciphersuites from cryptopro draft
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* (currently this also goes into algorithm2) */
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#define TLS1_STREAM_MAC 0x04
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#define TLSEXT_CHANNEL_ID_SIZE 128
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/* SSL_CIPHER_ALGORITHM2_AEAD is a flag in SSL_CIPHER.algorithm2 which
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* indicates that the cipher is implemented via an EVP_AEAD. */
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#define SSL_CIPHER_ALGORITHM2_AEAD (1<<23)
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/* SSL_CIPHER_AEAD_FIXED_NONCE_LEN returns the number of bytes of fixed nonce
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* for an SSL_CIPHER* with the SSL_CIPHER_ALGORITHM2_AEAD flag. */
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#define SSL_CIPHER_AEAD_FIXED_NONCE_LEN(ssl_cipher) \
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(((ssl_cipher->algorithm2 >> 24) & 0xf)*2)
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/* SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD is a flag in
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* SSL_CIPHER.algorithm2 which indicates that the variable part of the nonce is
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* included as a prefix of the record. (AES-GCM, for example, does with with an
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* 8-byte variable nonce.) */
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#define SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD (1<<22)
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/*
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* Export and cipher strength information. For each cipher we have to decide
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* whether it is exportable or not. This information is likely to change
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* over time, since the export control rules are no static technical issue.
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*
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* Independent of the export flag the cipher strength is sorted into classes.
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* SSL_EXP40 was denoting the 40bit US export limit of past times, which now
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* is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
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* again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
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* since SSL_EXP64 could be similar to SSL_LOW.
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* For this reason SSL_MICRO and SSL_MINI macros are included to widen the
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* namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
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* and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
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* be possible.
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*/
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|
#define SSL_EXP_MASK 0x00000003L
|
|
#define SSL_STRONG_MASK 0x000001fcL
|
|
|
|
#define SSL_NOT_EXP 0x00000001L
|
|
#define SSL_EXPORT 0x00000002L
|
|
|
|
#define SSL_STRONG_NONE 0x00000004L
|
|
#define SSL_EXP40 0x00000008L
|
|
#define SSL_MICRO (SSL_EXP40)
|
|
#define SSL_EXP56 0x00000010L
|
|
#define SSL_MINI (SSL_EXP56)
|
|
#define SSL_LOW 0x00000020L
|
|
#define SSL_MEDIUM 0x00000040L
|
|
#define SSL_HIGH 0x00000080L
|
|
#define SSL_FIPS 0x00000100L
|
|
|
|
/* we have used 000001ff - 23 bits left to go */
|
|
|
|
/*
|
|
* Macros to check the export status and cipher strength for export ciphers.
|
|
* Even though the macros for EXPORT and EXPORT40/56 have similar names,
|
|
* their meaning is different:
|
|
* *_EXPORT macros check the 'exportable' status.
|
|
* *_EXPORT40/56 macros are used to check whether a certain cipher strength
|
|
* is given.
|
|
* Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
|
|
* algorithm structure element to be passed (algorithms, algo_strength) and no
|
|
* typechecking can be done as they are all of type unsigned long, their
|
|
* direct usage is discouraged.
|
|
* Use the SSL_C_* macros instead.
|
|
*/
|
|
#define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
|
|
#define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
|
|
#define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
|
|
#define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
|
|
#define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
|
|
#define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
|
|
|
|
#define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
|
|
(a) == SSL_DES ? 8 : 7)
|
|
#define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
|
|
#define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
|
|
(c)->algo_strength)
|
|
#define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
|
|
|
|
/* Check if an SSL structure is using DTLS */
|
|
#define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
|
|
/* See if we need explicit IV */
|
|
#define SSL_USE_EXPLICIT_IV(s) \
|
|
(s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV)
|
|
/* See if we use signature algorithms extension
|
|
* and signature algorithm before signatures.
|
|
*/
|
|
#define SSL_USE_SIGALGS(s) \
|
|
(s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS)
|
|
/* Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2:
|
|
* may apply to others in future.
|
|
*/
|
|
#define SSL_USE_TLS1_2_CIPHERS(s) \
|
|
(s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)
|
|
/* Determine if a client can use TLS 1.2 ciphersuites: can't rely on method
|
|
* flags because it may not be set to correct version yet.
|
|
*/
|
|
#define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \
|
|
((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \
|
|
(!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION))
|
|
|
|
/* Mostly for SSLv3 */
|
|
#define SSL_PKEY_RSA_ENC 0
|
|
#define SSL_PKEY_RSA_SIGN 1
|
|
#define SSL_PKEY_DSA_SIGN 2
|
|
#define SSL_PKEY_DH_RSA 3
|
|
#define SSL_PKEY_DH_DSA 4
|
|
#define SSL_PKEY_ECC 5
|
|
#define SSL_PKEY_GOST94 6
|
|
#define SSL_PKEY_GOST01 7
|
|
#define SSL_PKEY_NUM 8
|
|
|
|
/* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
|
|
* <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
|
|
* SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
|
|
* SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
|
|
* SSL_aRSA <- RSA_ENC | RSA_SIGN
|
|
* SSL_aDSS <- DSA_SIGN
|
|
*/
|
|
|
|
/*
|
|
#define CERT_INVALID 0
|
|
#define CERT_PUBLIC_KEY 1
|
|
#define CERT_PRIVATE_KEY 2
|
|
*/
|
|
|
|
#define PENDING_SESSION -10000
|
|
#define CERTIFICATE_SELECTION_PENDING -10001
|
|
|
|
#ifndef OPENSSL_NO_EC
|
|
/* From ECC-TLS draft, used in encoding the curve type in
|
|
* ECParameters
|
|
*/
|
|
#define EXPLICIT_PRIME_CURVE_TYPE 1
|
|
#define EXPLICIT_CHAR2_CURVE_TYPE 2
|
|
#define NAMED_CURVE_TYPE 3
|
|
#endif /* OPENSSL_NO_EC */
|
|
|
|
typedef struct cert_pkey_st
|
|
{
|
|
X509 *x509;
|
|
EVP_PKEY *privatekey;
|
|
/* Digest to use when signing */
|
|
const EVP_MD *digest;
|
|
/* Chain for this certificate */
|
|
STACK_OF(X509) *chain;
|
|
#ifndef OPENSSL_NO_TLSEXT
|
|
/* authz/authz_length contain authz data for this certificate. The data
|
|
* is in wire format, specifically it's a series of records like:
|
|
* uint8_t authz_type; // (RFC 5878, AuthzDataFormat)
|
|
* uint16_t length;
|
|
* uint8_t data[length]; */
|
|
unsigned char *authz;
|
|
size_t authz_length;
|
|
|
|
/* serverinfo data for this certificate. The data is in TLS Extension
|
|
* wire format, specifically it's a series of records like:
|
|
* uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension)
|
|
* uint16_t length;
|
|
* uint8_t data[length]; */
|
|
unsigned char *serverinfo;
|
|
size_t serverinfo_length;
|
|
#endif
|
|
/* Set if CERT_PKEY can be used with current SSL session: e.g.
|
|
* appropriate curve, signature algorithms etc. If zero it can't be
|
|
* used at all.
|
|
*/
|
|
int valid_flags;
|
|
} CERT_PKEY;
|
|
/* Retrieve Suite B flags */
|
|
#define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS)
|
|
/* Uses to check strict mode: suite B modes are always strict */
|
|
#define SSL_CERT_FLAGS_CHECK_TLS_STRICT \
|
|
(SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT)
|
|
|
|
typedef struct cert_st
|
|
{
|
|
/* Current active set */
|
|
CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
|
|
* Probably it would make more sense to store
|
|
* an index, not a pointer. */
|
|
|
|
/* For servers the following masks are for the key and auth
|
|
* algorithms that are supported by the certs below.
|
|
* For clients they are masks of *disabled* algorithms based
|
|
* on the current session.
|
|
*/
|
|
int valid;
|
|
unsigned long mask_k;
|
|
unsigned long mask_a;
|
|
unsigned long export_mask_k;
|
|
unsigned long export_mask_a;
|
|
/* Client only */
|
|
unsigned long mask_ssl;
|
|
#ifndef OPENSSL_NO_RSA
|
|
RSA *rsa_tmp;
|
|
RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
|
|
#endif
|
|
#ifndef OPENSSL_NO_DH
|
|
DH *dh_tmp;
|
|
DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
|
|
#endif
|
|
#ifndef OPENSSL_NO_ECDH
|
|
EC_KEY *ecdh_tmp;
|
|
/* Callback for generating ephemeral ECDH keys */
|
|
EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
|
|
/* Select ECDH parameters automatically */
|
|
int ecdh_tmp_auto;
|
|
#endif
|
|
/* Flags related to certificates */
|
|
unsigned int cert_flags;
|
|
CERT_PKEY pkeys[SSL_PKEY_NUM];
|
|
|
|
/* Certificate types (received or sent) in certificate request
|
|
* message. On receive this is only set if number of certificate
|
|
* types exceeds SSL3_CT_NUMBER.
|
|
*/
|
|
unsigned char *ctypes;
|
|
size_t ctype_num;
|
|
|
|
/* signature algorithms peer reports: e.g. supported signature
|
|
* algorithms extension for server or as part of a certificate
|
|
* request for client.
|
|
*/
|
|
unsigned char *peer_sigalgs;
|
|
/* Size of above array */
|
|
size_t peer_sigalgslen;
|
|
/* suppported signature algorithms.
|
|
* When set on a client this is sent in the client hello as the
|
|
* supported signature algorithms extension. For servers
|
|
* it represents the signature algorithms we are willing to use.
|
|
*/
|
|
unsigned char *conf_sigalgs;
|
|
/* Size of above array */
|
|
size_t conf_sigalgslen;
|
|
/* Client authentication signature algorithms, if not set then
|
|
* uses conf_sigalgs. On servers these will be the signature
|
|
* algorithms sent to the client in a cerificate request for TLS 1.2.
|
|
* On a client this represents the signature algortithms we are
|
|
* willing to use for client authentication.
|
|
*/
|
|
unsigned char *client_sigalgs;
|
|
/* Size of above array */
|
|
size_t client_sigalgslen;
|
|
/* Signature algorithms shared by client and server: cached
|
|
* because these are used most often.
|
|
*/
|
|
TLS_SIGALGS *shared_sigalgs;
|
|
size_t shared_sigalgslen;
|
|
|
|
/* Certificate setup callback: if set is called whenever a
|
|
* certificate may be required (client or server). the callback
|
|
* can then examine any appropriate parameters and setup any
|
|
* certificates required. This allows advanced applications
|
|
* to select certificates on the fly: for example based on
|
|
* supported signature algorithms or curves.
|
|
*/
|
|
int (*cert_cb)(SSL *ssl, void *arg);
|
|
void *cert_cb_arg;
|
|
|
|
/* Optional X509_STORE for chain building or certificate validation
|
|
* If NULL the parent SSL_CTX store is used instead.
|
|
*/
|
|
X509_STORE *chain_store;
|
|
X509_STORE *verify_store;
|
|
|
|
/* Raw values of the cipher list from a client */
|
|
unsigned char *ciphers_raw;
|
|
size_t ciphers_rawlen;
|
|
|
|
int references; /* >1 only if SSL_copy_session_id is used */
|
|
} CERT;
|
|
|
|
|
|
typedef struct sess_cert_st
|
|
{
|
|
STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
|
|
|
|
/* The 'peer_...' members are used only by clients. */
|
|
int peer_cert_type;
|
|
|
|
CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
|
|
CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
|
|
/* Obviously we don't have the private keys of these,
|
|
* so maybe we shouldn't even use the CERT_PKEY type here. */
|
|
|
|
#ifndef OPENSSL_NO_RSA
|
|
RSA *peer_rsa_tmp; /* not used for SSL 2 */
|
|
#endif
|
|
#ifndef OPENSSL_NO_DH
|
|
DH *peer_dh_tmp; /* not used for SSL 2 */
|
|
#endif
|
|
#ifndef OPENSSL_NO_ECDH
|
|
EC_KEY *peer_ecdh_tmp;
|
|
#endif
|
|
|
|
int references; /* actually always 1 at the moment */
|
|
} SESS_CERT;
|
|
/* Structure containing decoded values of signature algorithms extension */
|
|
struct tls_sigalgs_st
|
|
{
|
|
/* NID of hash algorithm */
|
|
int hash_nid;
|
|
/* NID of signature algorithm */
|
|
int sign_nid;
|
|
/* Combined hash and signature NID */
|
|
int signandhash_nid;
|
|
/* Raw values used in extension */
|
|
unsigned char rsign;
|
|
unsigned char rhash;
|
|
};
|
|
|
|
/*#define MAC_DEBUG */
|
|
|
|
/*#define ERR_DEBUG */
|
|
/*#define ABORT_DEBUG */
|
|
/*#define PKT_DEBUG 1 */
|
|
/*#define DES_DEBUG */
|
|
/*#define DES_OFB_DEBUG */
|
|
/*#define SSL_DEBUG */
|
|
/*#define RSA_DEBUG */
|
|
/*#define IDEA_DEBUG */
|
|
|
|
#define FP_ICC (int (*)(const void *,const void *))
|
|
#define ssl_put_cipher_by_char(ssl,ciph,ptr) \
|
|
((ssl)->method->put_cipher_by_char((ciph),(ptr)))
|
|
|
|
/* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
|
|
* It is a bit of a mess of functions, but hell, think of it as
|
|
* an opaque structure :-) */
|
|
typedef struct ssl3_enc_method
|
|
{
|
|
int (*enc)(SSL *, int);
|
|
int (*mac)(SSL *, unsigned char *, int);
|
|
int (*setup_key_block)(SSL *);
|
|
int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
|
|
int (*change_cipher_state)(SSL *, int);
|
|
int (*final_finish_mac)(SSL *, const char *, int, unsigned char *);
|
|
int finish_mac_length;
|
|
int (*cert_verify_mac)(SSL *, int, unsigned char *);
|
|
const char *client_finished_label;
|
|
int client_finished_label_len;
|
|
const char *server_finished_label;
|
|
int server_finished_label_len;
|
|
int (*alert_value)(int);
|
|
int (*export_keying_material)(SSL *, unsigned char *, size_t,
|
|
const char *, size_t,
|
|
const unsigned char *, size_t,
|
|
int use_context);
|
|
/* Various flags indicating protocol version requirements */
|
|
unsigned int enc_flags;
|
|
/* Handshake header length */
|
|
unsigned int hhlen;
|
|
/* Set the handshake header */
|
|
void (*set_handshake_header)(SSL *s, int type, unsigned long len);
|
|
/* Write out handshake message */
|
|
int (*do_write)(SSL *s);
|
|
} SSL3_ENC_METHOD;
|
|
|
|
#define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen
|
|
#define ssl_handshake_start(s) \
|
|
(((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen)
|
|
#define ssl_set_handshake_header(s, htype, len) \
|
|
s->method->ssl3_enc->set_handshake_header(s, htype, len)
|
|
#define ssl_do_write(s) s->method->ssl3_enc->do_write(s)
|
|
|
|
/* Values for enc_flags */
|
|
|
|
/* Uses explicit IV for CBC mode */
|
|
#define SSL_ENC_FLAG_EXPLICIT_IV 0x1
|
|
/* Uses signature algorithms extension */
|
|
#define SSL_ENC_FLAG_SIGALGS 0x2
|
|
/* Uses SHA256 default PRF */
|
|
#define SSL_ENC_FLAG_SHA256_PRF 0x4
|
|
/* Is DTLS */
|
|
#define SSL_ENC_FLAG_DTLS 0x8
|
|
/* Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2:
|
|
* may apply to others in future.
|
|
*/
|
|
#define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10
|
|
|
|
/* ssl_aead_ctx_st contains information about an AEAD that is being used to
|
|
* encrypt an SSL connection. */
|
|
struct ssl_aead_ctx_st
|
|
{
|
|
EVP_AEAD_CTX ctx;
|
|
/* fixed_nonce contains any bytes of the nonce that are fixed for all
|
|
* records. */
|
|
unsigned char fixed_nonce[8];
|
|
unsigned char fixed_nonce_len, variable_nonce_len, tag_len;
|
|
/* variable_nonce_included_in_record is non-zero if the variable nonce
|
|
* for a record is included as a prefix before the ciphertext. */
|
|
char variable_nonce_included_in_record;
|
|
};
|
|
|
|
#ifndef OPENSSL_NO_BUF_FREELISTS
|
|
typedef struct ssl3_buf_freelist_st
|
|
{
|
|
size_t chunklen;
|
|
unsigned int len;
|
|
struct ssl3_buf_freelist_entry_st *head;
|
|
} SSL3_BUF_FREELIST;
|
|
|
|
typedef struct ssl3_buf_freelist_entry_st
|
|
{
|
|
struct ssl3_buf_freelist_entry_st *next;
|
|
} SSL3_BUF_FREELIST_ENTRY;
|
|
#endif
|
|
|
|
extern SSL3_ENC_METHOD ssl3_undef_enc_method;
|
|
extern const SSL_CIPHER ssl2_ciphers[];
|
|
extern SSL_CIPHER ssl3_ciphers[];
|
|
|
|
|
|
SSL_METHOD *ssl_bad_method(int ver);
|
|
|
|
extern SSL3_ENC_METHOD TLSv1_enc_data;
|
|
extern SSL3_ENC_METHOD TLSv1_1_enc_data;
|
|
extern SSL3_ENC_METHOD TLSv1_2_enc_data;
|
|
extern SSL3_ENC_METHOD SSLv3_enc_data;
|
|
extern SSL3_ENC_METHOD DTLSv1_enc_data;
|
|
extern SSL3_ENC_METHOD DTLSv1_2_enc_data;
|
|
|
|
#define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
|
|
s_get_meth, enc_data) \
|
|
const SSL_METHOD *func_name(void) \
|
|
{ \
|
|
static const SSL_METHOD func_name##_data= { \
|
|
version, \
|
|
tls1_new, \
|
|
tls1_clear, \
|
|
tls1_free, \
|
|
s_accept, \
|
|
s_connect, \
|
|
ssl3_read, \
|
|
ssl3_peek, \
|
|
ssl3_write, \
|
|
ssl3_shutdown, \
|
|
ssl3_renegotiate, \
|
|
ssl3_renegotiate_check, \
|
|
ssl3_get_message, \
|
|
ssl3_read_bytes, \
|
|
ssl3_write_bytes, \
|
|
ssl3_dispatch_alert, \
|
|
ssl3_ctrl, \
|
|
ssl3_ctx_ctrl, \
|
|
ssl3_get_cipher_by_char, \
|
|
ssl3_put_cipher_by_char, \
|
|
ssl3_pending, \
|
|
ssl3_num_ciphers, \
|
|
ssl3_get_cipher, \
|
|
s_get_meth, \
|
|
tls1_default_timeout, \
|
|
&enc_data, \
|
|
ssl_undefined_void_function, \
|
|
ssl3_callback_ctrl, \
|
|
ssl3_ctx_callback_ctrl, \
|
|
}; \
|
|
return &func_name##_data; \
|
|
}
|
|
|
|
#define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
|
|
const SSL_METHOD *func_name(void) \
|
|
{ \
|
|
static const SSL_METHOD func_name##_data= { \
|
|
SSL3_VERSION, \
|
|
ssl3_new, \
|
|
ssl3_clear, \
|
|
ssl3_free, \
|
|
s_accept, \
|
|
s_connect, \
|
|
ssl3_read, \
|
|
ssl3_peek, \
|
|
ssl3_write, \
|
|
ssl3_shutdown, \
|
|
ssl3_renegotiate, \
|
|
ssl3_renegotiate_check, \
|
|
ssl3_get_message, \
|
|
ssl3_read_bytes, \
|
|
ssl3_write_bytes, \
|
|
ssl3_dispatch_alert, \
|
|
ssl3_ctrl, \
|
|
ssl3_ctx_ctrl, \
|
|
ssl3_get_cipher_by_char, \
|
|
ssl3_put_cipher_by_char, \
|
|
ssl3_pending, \
|
|
ssl3_num_ciphers, \
|
|
ssl3_get_cipher, \
|
|
s_get_meth, \
|
|
ssl3_default_timeout, \
|
|
&SSLv3_enc_data, \
|
|
ssl_undefined_void_function, \
|
|
ssl3_callback_ctrl, \
|
|
ssl3_ctx_callback_ctrl, \
|
|
}; \
|
|
return &func_name##_data; \
|
|
}
|
|
|
|
#define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
|
|
const SSL_METHOD *func_name(void) \
|
|
{ \
|
|
static const SSL_METHOD func_name##_data= { \
|
|
TLS1_2_VERSION, \
|
|
tls1_new, \
|
|
tls1_clear, \
|
|
tls1_free, \
|
|
s_accept, \
|
|
s_connect, \
|
|
ssl23_read, \
|
|
ssl23_peek, \
|
|
ssl23_write, \
|
|
ssl_undefined_function, \
|
|
ssl_undefined_function, \
|
|
ssl_ok, \
|
|
ssl3_get_message, \
|
|
ssl3_read_bytes, \
|
|
ssl3_write_bytes, \
|
|
ssl3_dispatch_alert, \
|
|
ssl3_ctrl, \
|
|
ssl3_ctx_ctrl, \
|
|
ssl23_get_cipher_by_char, \
|
|
ssl23_put_cipher_by_char, \
|
|
ssl_undefined_const_function, \
|
|
ssl23_num_ciphers, \
|
|
ssl23_get_cipher, \
|
|
s_get_meth, \
|
|
ssl23_default_timeout, \
|
|
&TLSv1_2_enc_data, \
|
|
ssl_undefined_void_function, \
|
|
ssl3_callback_ctrl, \
|
|
ssl3_ctx_callback_ctrl, \
|
|
}; \
|
|
return &func_name##_data; \
|
|
}
|
|
|
|
#define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
|
|
const SSL_METHOD *func_name(void) \
|
|
{ \
|
|
static const SSL_METHOD func_name##_data= { \
|
|
SSL2_VERSION, \
|
|
ssl2_new, /* local */ \
|
|
ssl2_clear, /* local */ \
|
|
ssl2_free, /* local */ \
|
|
s_accept, \
|
|
s_connect, \
|
|
ssl2_read, \
|
|
ssl2_peek, \
|
|
ssl2_write, \
|
|
ssl2_shutdown, \
|
|
ssl_ok, /* NULL - renegotiate */ \
|
|
ssl_ok, /* NULL - check renegotiate */ \
|
|
NULL, /* NULL - ssl_get_message */ \
|
|
NULL, /* NULL - ssl_get_record */ \
|
|
NULL, /* NULL - ssl_write_bytes */ \
|
|
NULL, /* NULL - dispatch_alert */ \
|
|
ssl2_ctrl, /* local */ \
|
|
ssl2_ctx_ctrl, /* local */ \
|
|
ssl2_get_cipher_by_char, \
|
|
ssl2_put_cipher_by_char, \
|
|
ssl2_pending, \
|
|
ssl2_num_ciphers, \
|
|
ssl2_get_cipher, \
|
|
s_get_meth, \
|
|
ssl2_default_timeout, \
|
|
&ssl3_undef_enc_method, \
|
|
ssl_undefined_void_function, \
|
|
ssl2_callback_ctrl, /* local */ \
|
|
ssl2_ctx_callback_ctrl, /* local */ \
|
|
}; \
|
|
return &func_name##_data; \
|
|
}
|
|
|
|
#define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \
|
|
s_get_meth, enc_data) \
|
|
const SSL_METHOD *func_name(void) \
|
|
{ \
|
|
static const SSL_METHOD func_name##_data= { \
|
|
version, \
|
|
dtls1_new, \
|
|
dtls1_clear, \
|
|
dtls1_free, \
|
|
s_accept, \
|
|
s_connect, \
|
|
ssl3_read, \
|
|
ssl3_peek, \
|
|
ssl3_write, \
|
|
dtls1_shutdown, \
|
|
ssl3_renegotiate, \
|
|
ssl3_renegotiate_check, \
|
|
dtls1_get_message, \
|
|
dtls1_read_bytes, \
|
|
dtls1_write_app_data_bytes, \
|
|
dtls1_dispatch_alert, \
|
|
dtls1_ctrl, \
|
|
ssl3_ctx_ctrl, \
|
|
ssl3_get_cipher_by_char, \
|
|
ssl3_put_cipher_by_char, \
|
|
ssl3_pending, \
|
|
ssl3_num_ciphers, \
|
|
dtls1_get_cipher, \
|
|
s_get_meth, \
|
|
dtls1_default_timeout, \
|
|
&enc_data, \
|
|
ssl_undefined_void_function, \
|
|
ssl3_callback_ctrl, \
|
|
ssl3_ctx_callback_ctrl, \
|
|
}; \
|
|
return &func_name##_data; \
|
|
}
|
|
|
|
void ssl_clear_cipher_ctx(SSL *s);
|
|
int ssl_clear_bad_session(SSL *s);
|
|
CERT *ssl_cert_new(void);
|
|
CERT *ssl_cert_dup(CERT *cert);
|
|
void ssl_cert_set_default_md(CERT *cert);
|
|
int ssl_cert_inst(CERT **o);
|
|
void ssl_cert_clear_certs(CERT *c);
|
|
void ssl_cert_free(CERT *c);
|
|
SESS_CERT *ssl_sess_cert_new(void);
|
|
void ssl_sess_cert_free(SESS_CERT *sc);
|
|
int ssl_set_peer_cert_type(SESS_CERT *c, int type);
|
|
int ssl_get_new_session(SSL *s, int session);
|
|
int ssl_get_prev_session(SSL *s, const struct ssl_early_callback_ctx *ctx);
|
|
int ssl_cipher_id_cmp(const void *in_a, const void *in_b);
|
|
int ssl_cipher_ptr_id_cmp(const SSL_CIPHER **ap, const SSL_CIPHER **bp);
|
|
STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
|
|
STACK_OF(SSL_CIPHER) **skp);
|
|
int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
|
|
int (*put_cb)(const SSL_CIPHER *, unsigned char *));
|
|
STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
|
|
struct ssl_cipher_preference_list_st **pref,
|
|
STACK_OF(SSL_CIPHER) **sorted,
|
|
const char *rule_str, CERT *c);
|
|
void ssl_update_cache(SSL *s, int mode);
|
|
struct ssl_cipher_preference_list_st* ssl_cipher_preference_list_dup(
|
|
struct ssl_cipher_preference_list_st *cipher_list);
|
|
void ssl_cipher_preference_list_free(
|
|
struct ssl_cipher_preference_list_st *cipher_list);
|
|
struct ssl_cipher_preference_list_st* ssl_cipher_preference_list_from_ciphers(
|
|
STACK_OF(SSL_CIPHER) *ciphers);
|
|
struct ssl_cipher_preference_list_st* ssl_get_cipher_preferences(SSL *s);
|
|
int ssl_cipher_get_evp_aead(const SSL_SESSION *s, const EVP_AEAD **aead);
|
|
int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
|
|
const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size);
|
|
int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md);
|
|
int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md);
|
|
int ssl_cipher_get_cert_index(const SSL_CIPHER *c);
|
|
const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr);
|
|
int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain);
|
|
int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain);
|
|
int ssl_cert_add0_chain_cert(CERT *c, X509 *x);
|
|
int ssl_cert_add1_chain_cert(CERT *c, X509 *x);
|
|
int ssl_cert_select_current(CERT *c, X509 *x);
|
|
void ssl_cert_set_cert_cb(CERT *c, int (*cb)(SSL *ssl, void *arg), void *arg);
|
|
|
|
int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
|
|
int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l);
|
|
int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags);
|
|
int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref);
|
|
int ssl_undefined_function(SSL *s);
|
|
int ssl_undefined_void_function(void);
|
|
int ssl_undefined_const_function(const SSL *s);
|
|
CERT_PKEY *ssl_get_server_send_pkey(const SSL *s);
|
|
#ifndef OPENSSL_NO_TLSEXT
|
|
unsigned char *ssl_get_authz_data(SSL *s, size_t *authz_length);
|
|
int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
|
|
size_t *serverinfo_length);
|
|
#endif
|
|
EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd);
|
|
int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
|
|
void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher);
|
|
STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
|
|
int ssl_verify_alarm_type(long type);
|
|
void ssl_load_ciphers(void);
|
|
int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len);
|
|
|
|
int ssl2_enc_init(SSL *s, int client);
|
|
int ssl2_generate_key_material(SSL *s);
|
|
void ssl2_enc(SSL *s,int send_data);
|
|
void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
|
|
const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
|
|
int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
|
|
int ssl2_part_read(SSL *s, unsigned long f, int i);
|
|
int ssl2_do_write(SSL *s);
|
|
int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data);
|
|
void ssl2_return_error(SSL *s,int reason);
|
|
void ssl2_write_error(SSL *s);
|
|
int ssl2_num_ciphers(void);
|
|
const SSL_CIPHER *ssl2_get_cipher(unsigned int u);
|
|
int ssl2_new(SSL *s);
|
|
void ssl2_free(SSL *s);
|
|
int ssl2_accept(SSL *s);
|
|
int ssl2_connect(SSL *s);
|
|
int ssl2_read(SSL *s, void *buf, int len);
|
|
int ssl2_peek(SSL *s, void *buf, int len);
|
|
int ssl2_write(SSL *s, const void *buf, int len);
|
|
int ssl2_shutdown(SSL *s);
|
|
void ssl2_clear(SSL *s);
|
|
long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
|
|
long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
|
|
long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
|
|
long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
|
|
int ssl2_pending(const SSL *s);
|
|
long ssl2_default_timeout(void );
|
|
|
|
const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
|
|
int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
|
|
void ssl3_init_finished_mac(SSL *s);
|
|
int ssl3_send_server_certificate(SSL *s);
|
|
int ssl3_send_newsession_ticket(SSL *s);
|
|
int ssl3_send_cert_status(SSL *s);
|
|
int ssl3_get_finished(SSL *s,int state_a,int state_b);
|
|
int ssl3_setup_key_block(SSL *s);
|
|
int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
|
|
int ssl3_change_cipher_state(SSL *s,int which);
|
|
void ssl3_cleanup_key_block(SSL *s);
|
|
int ssl3_do_write(SSL *s,int type);
|
|
int ssl3_send_alert(SSL *s,int level, int desc);
|
|
int ssl3_generate_master_secret(SSL *s, unsigned char *out,
|
|
unsigned char *p, int len);
|
|
int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
|
|
long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
|
|
int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
|
|
int ssl3_num_ciphers(void);
|
|
const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
|
|
int ssl3_renegotiate(SSL *ssl);
|
|
int ssl3_renegotiate_check(SSL *ssl);
|
|
int ssl3_dispatch_alert(SSL *s);
|
|
int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
|
|
int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
|
|
int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p);
|
|
int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
|
|
void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
|
|
int ssl3_enc(SSL *s, int send_data);
|
|
int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
|
|
void ssl3_free_digest_list(SSL *s);
|
|
unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk);
|
|
SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
|
|
struct ssl_cipher_preference_list_st *srvr);
|
|
int ssl3_setup_buffers(SSL *s);
|
|
int ssl3_setup_read_buffer(SSL *s);
|
|
int ssl3_setup_write_buffer(SSL *s);
|
|
int ssl3_release_read_buffer(SSL *s);
|
|
int ssl3_release_write_buffer(SSL *s);
|
|
int ssl3_digest_cached_records(SSL *s);
|
|
int ssl3_new(SSL *s);
|
|
void ssl3_free(SSL *s);
|
|
int ssl3_accept(SSL *s);
|
|
int ssl3_connect(SSL *s);
|
|
int ssl3_read(SSL *s, void *buf, int len);
|
|
int ssl3_peek(SSL *s, void *buf, int len);
|
|
int ssl3_write(SSL *s, const void *buf, int len);
|
|
int ssl3_shutdown(SSL *s);
|
|
void ssl3_clear(SSL *s);
|
|
long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
|
|
long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
|
|
long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
|
|
long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
|
|
int ssl3_pending(const SSL *s);
|
|
|
|
void ssl3_record_sequence_update(unsigned char *seq);
|
|
int ssl3_do_change_cipher_spec(SSL *ssl);
|
|
long ssl3_default_timeout(void );
|
|
|
|
void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len);
|
|
int ssl3_handshake_write(SSL *s);
|
|
|
|
int ssl23_num_ciphers(void );
|
|
const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
|
|
int ssl23_read(SSL *s, void *buf, int len);
|
|
int ssl23_peek(SSL *s, void *buf, int len);
|
|
int ssl23_write(SSL *s, const void *buf, int len);
|
|
int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
|
|
const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
|
|
long ssl23_default_timeout(void );
|
|
|
|
long tls1_default_timeout(void);
|
|
int dtls1_do_write(SSL *s,int type);
|
|
int ssl3_read_n(SSL *s, int n, int max, int extend);
|
|
int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
|
|
int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
|
|
unsigned int len);
|
|
unsigned char *dtls1_set_message_header(SSL *s,
|
|
unsigned char *p, unsigned char mt, unsigned long len,
|
|
unsigned long frag_off, unsigned long frag_len);
|
|
|
|
int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
|
|
int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
|
|
|
|
int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
|
|
int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
|
|
unsigned long dtls1_output_cert_chain(SSL *s, CERT_PKEY *cpk);
|
|
int dtls1_read_failed(SSL *s, int code);
|
|
int dtls1_buffer_message(SSL *s, int ccs);
|
|
int dtls1_retransmit_message(SSL *s, unsigned short seq,
|
|
unsigned long frag_off, int *found);
|
|
int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
|
|
int dtls1_retransmit_buffered_messages(SSL *s);
|
|
void dtls1_clear_record_buffer(SSL *s);
|
|
void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
|
|
void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
|
|
void dtls1_reset_seq_numbers(SSL *s, int rw);
|
|
long dtls1_default_timeout(void);
|
|
struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft);
|
|
int dtls1_check_timeout_num(SSL *s);
|
|
int dtls1_handle_timeout(SSL *s);
|
|
const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
|
|
void dtls1_start_timer(SSL *s);
|
|
void dtls1_stop_timer(SSL *s);
|
|
int dtls1_is_timer_expired(SSL *s);
|
|
void dtls1_double_timeout(SSL *s);
|
|
int dtls1_send_newsession_ticket(SSL *s);
|
|
unsigned int dtls1_min_mtu(void);
|
|
|
|
/* some client-only functions */
|
|
int ssl3_client_hello(SSL *s);
|
|
int ssl3_get_server_hello(SSL *s);
|
|
int ssl3_get_certificate_request(SSL *s);
|
|
int ssl3_get_new_session_ticket(SSL *s);
|
|
int ssl3_get_cert_status(SSL *s);
|
|
int ssl3_get_server_done(SSL *s);
|
|
int ssl3_send_client_verify(SSL *s);
|
|
int ssl3_send_client_certificate(SSL *s);
|
|
int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
|
|
int ssl3_send_client_key_exchange(SSL *s);
|
|
int ssl3_get_key_exchange(SSL *s);
|
|
int ssl3_get_server_certificate(SSL *s);
|
|
int ssl3_check_cert_and_algorithm(SSL *s);
|
|
#ifndef OPENSSL_NO_TLSEXT
|
|
int ssl3_check_finished(SSL *s);
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
int ssl3_send_next_proto(SSL *s);
|
|
int ssl3_send_channel_id(SSL *s);
|
|
# endif
|
|
#endif
|
|
|
|
int dtls1_client_hello(SSL *s);
|
|
|
|
/* some server-only functions */
|
|
int ssl3_get_client_hello(SSL *s);
|
|
int ssl3_send_server_hello(SSL *s);
|
|
int ssl3_send_hello_request(SSL *s);
|
|
int ssl3_send_server_key_exchange(SSL *s);
|
|
int ssl3_send_certificate_request(SSL *s);
|
|
int ssl3_send_server_done(SSL *s);
|
|
int ssl3_check_client_hello(SSL *s);
|
|
int ssl3_get_client_certificate(SSL *s);
|
|
int ssl3_get_client_key_exchange(SSL *s);
|
|
int ssl3_get_cert_verify(SSL *s);
|
|
#ifndef OPENSSL_NO_NEXTPROTONEG
|
|
int ssl3_get_next_proto(SSL *s);
|
|
int ssl3_get_channel_id(SSL *s);
|
|
#endif
|
|
|
|
int ssl23_accept(SSL *s);
|
|
int ssl23_connect(SSL *s);
|
|
int ssl23_read_bytes(SSL *s, int n);
|
|
int ssl23_write_bytes(SSL *s);
|
|
|
|
int tls1_new(SSL *s);
|
|
void tls1_free(SSL *s);
|
|
void tls1_clear(SSL *s);
|
|
long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
|
|
long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
|
|
|
|
int dtls1_new(SSL *s);
|
|
int dtls1_accept(SSL *s);
|
|
int dtls1_connect(SSL *s);
|
|
void dtls1_free(SSL *s);
|
|
void dtls1_clear(SSL *s);
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long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg);
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int dtls1_shutdown(SSL *s);
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long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
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int dtls1_get_record(SSL *s);
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int dtls1_dispatch_alert(SSL *s);
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int dtls1_enc(SSL *s, int snd);
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int ssl_init_wbio_buffer(SSL *s, int push);
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void ssl_free_wbio_buffer(SSL *s);
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int tls1_change_cipher_state(SSL *s, int which);
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int tls1_setup_key_block(SSL *s);
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int tls1_enc(SSL *s, int snd);
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int tls1_handshake_digest(SSL *s, unsigned char *out, size_t out_len);
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int tls1_final_finish_mac(SSL *s,
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const char *str, int slen, unsigned char *p);
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int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
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int tls1_mac(SSL *ssl, unsigned char *md, int snd);
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int tls1_generate_master_secret(SSL *s, unsigned char *out,
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unsigned char *p, int len);
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int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
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const char *label, size_t llen,
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const unsigned char *p, size_t plen, int use_context);
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int tls1_alert_code(int code);
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int ssl3_alert_code(int code);
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int ssl_ok(SSL *s);
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#ifndef OPENSSL_NO_ECDH
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int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
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#endif
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char ssl_early_callback_init(struct ssl_early_callback_ctx *ctx);
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#ifndef OPENSSL_NO_EC
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int tls1_ec_curve_id2nid(int curve_id);
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int tls1_ec_nid2curve_id(int nid);
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int tls1_check_curve(SSL *s, const unsigned char *p, size_t len);
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int tls1_shared_curve(SSL *s, int nmatch);
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int tls1_set_curves(unsigned char **pext, size_t *pextlen,
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int *curves, size_t ncurves);
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int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
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const char *str);
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int tls1_check_ec_tmp_key(SSL *s, unsigned long id);
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#endif /* OPENSSL_NO_EC */
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|
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#ifndef OPENSSL_NO_TLSEXT
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int tls1_shared_list(SSL *s,
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const unsigned char *l1, size_t l1len,
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const unsigned char *l2, size_t l2len,
|
|
int nmatch);
|
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unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, unsigned char *limit, size_t header_len);
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unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, unsigned char *limit);
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int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n);
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int ssl_check_clienthello_tlsext_late(SSL *s);
|
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int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n);
|
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int ssl_prepare_clienthello_tlsext(SSL *s);
|
|
int ssl_prepare_serverhello_tlsext(SSL *s);
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|
|
|
/* server only */
|
|
int tls1_send_server_supplemental_data(SSL *s);
|
|
/* client only */
|
|
int tls1_get_server_supplemental_data(SSL *s);
|
|
|
|
#ifndef OPENSSL_NO_HEARTBEATS
|
|
int tls1_heartbeat(SSL *s);
|
|
int dtls1_heartbeat(SSL *s);
|
|
int tls1_process_heartbeat(SSL *s);
|
|
int dtls1_process_heartbeat(SSL *s);
|
|
#endif
|
|
|
|
#ifdef OPENSSL_NO_SHA256
|
|
#define tlsext_tick_md EVP_sha1
|
|
#else
|
|
#define tlsext_tick_md EVP_sha256
|
|
#endif
|
|
int tls1_process_ticket(SSL *s, const struct ssl_early_callback_ctx *ctx,
|
|
SSL_SESSION **ret);
|
|
|
|
int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
|
|
const EVP_MD *md);
|
|
int tls12_get_sigid(const EVP_PKEY *pk);
|
|
const EVP_MD *tls12_get_hash(unsigned char hash_alg);
|
|
|
|
int tls1_channel_id_hash(EVP_MD_CTX *ctx, SSL *s);
|
|
int tls1_record_handshake_hashes_for_channel_id(SSL *s);
|
|
|
|
int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
|
|
int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client);
|
|
int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain,
|
|
int idx);
|
|
void tls1_set_cert_validity(SSL *s);
|
|
|
|
#endif
|
|
|
|
int ssl3_can_cutthrough(const SSL *s);
|
|
int ssl_get_max_version(const SSL *s);
|
|
EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ;
|
|
void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
|
|
int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
|
|
int maxlen);
|
|
int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
|
|
int *al);
|
|
int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
|
|
int maxlen);
|
|
int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
|
|
int *al);
|
|
long ssl_get_algorithm2(SSL *s);
|
|
int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize);
|
|
size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs);
|
|
int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s,
|
|
const unsigned char *sig, EVP_PKEY *pkey);
|
|
void ssl_set_client_disabled(SSL *s);
|
|
|
|
int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
|
|
int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
|
|
int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
|
|
int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
|
|
|
|
/* s3_cbc.c */
|
|
void ssl3_cbc_copy_mac(unsigned char* out,
|
|
const SSL3_RECORD *rec,
|
|
unsigned md_size,unsigned orig_len);
|
|
int ssl3_cbc_remove_padding(const SSL* s,
|
|
SSL3_RECORD *rec,
|
|
unsigned block_size,
|
|
unsigned mac_size);
|
|
int tls1_cbc_remove_padding(const SSL* s,
|
|
SSL3_RECORD *rec,
|
|
unsigned block_size,
|
|
unsigned mac_size);
|
|
char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
|
|
void ssl3_cbc_digest_record(
|
|
const EVP_MD_CTX *ctx,
|
|
unsigned char* md_out,
|
|
size_t* md_out_size,
|
|
const unsigned char header[13],
|
|
const unsigned char *data,
|
|
size_t data_plus_mac_size,
|
|
size_t data_plus_mac_plus_padding_size,
|
|
const unsigned char *mac_secret,
|
|
unsigned mac_secret_length,
|
|
char is_sslv3);
|
|
|
|
void tls_fips_digest_extra(
|
|
const EVP_CIPHER_CTX *cipher_ctx, EVP_MD_CTX *mac_ctx,
|
|
const unsigned char *data, size_t data_len, size_t orig_len);
|
|
|
|
#endif
|