77d514c5a0
Change ssl_set_handshake_header from return void to returning int, and handle error return code appropriately. Reviewed-by: Richard Levitte <levitte@openssl.org>
2463 lines
94 KiB
C
2463 lines
94 KiB
C
/* ssl/ssl_locl.h */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/* ====================================================================
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* Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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/* ====================================================================
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* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
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* ECC cipher suite support in OpenSSL originally developed by
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* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
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*/
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/* ====================================================================
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* Copyright 2005 Nokia. All rights reserved.
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*
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* The portions of the attached software ("Contribution") is developed by
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* Nokia Corporation and is licensed pursuant to the OpenSSL open source
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* license.
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*
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* The Contribution, originally written by Mika Kousa and Pasi Eronen of
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* Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
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* support (see RFC 4279) to OpenSSL.
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*
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* No patent licenses or other rights except those expressly stated in
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* the OpenSSL open source license shall be deemed granted or received
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* expressly, by implication, estoppel, or otherwise.
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*
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* No assurances are provided by Nokia that the Contribution does not
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* infringe the patent or other intellectual property rights of any third
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* party or that the license provides you with all the necessary rights
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* to make use of the Contribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
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* ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
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* SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
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* OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
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* OTHERWISE.
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*/
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#ifndef HEADER_SSL_LOCL_H
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# define HEADER_SSL_LOCL_H
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# include <stdlib.h>
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# include <time.h>
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# include <string.h>
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# include <errno.h>
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# include "e_os.h"
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# include <openssl/buffer.h>
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# ifndef OPENSSL_NO_COMP
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# include <openssl/comp.h>
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# endif
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# include <openssl/bio.h>
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# include <openssl/stack.h>
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# ifndef OPENSSL_NO_RSA
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# include <openssl/rsa.h>
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# endif
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# ifndef OPENSSL_NO_DSA
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# include <openssl/dsa.h>
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# endif
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# include <openssl/err.h>
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# include <openssl/ssl.h>
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# include <openssl/symhacks.h>
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# ifdef OPENSSL_BUILD_SHLIBSSL
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# undef OPENSSL_EXTERN
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# define OPENSSL_EXTERN OPENSSL_EXPORT
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# endif
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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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/* RSA key exchange */
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# define SSL_kRSA 0x00000001L
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/* DH cert, RSA CA cert */
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# define SSL_kDHr 0x00000002L
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/* DH cert, DSA CA cert */
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# define SSL_kDHd 0x00000004L
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/* tmp DH key no DH cert */
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# define SSL_kDHE 0x00000008L
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/* synonym */
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# define SSL_kEDH SSL_kDHE
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/* Kerberos5 key exchange */
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# define SSL_kKRB5 0x00000010L
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/* ECDH cert, RSA CA cert */
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# define SSL_kECDHr 0x00000020L
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/* ECDH cert, ECDSA CA cert */
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# define SSL_kECDHe 0x00000040L
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/* ephemeral ECDH */
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# define SSL_kECDHE 0x00000080L
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/* synonym */
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# define SSL_kEECDH SSL_kECDHE
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/* PSK */
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# define SSL_kPSK 0x00000100L
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/* GOST key exchange */
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# define SSL_kGOST 0x00000200L
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/* SRP */
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# define SSL_kSRP 0x00000400L
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/* Bits for algorithm_auth (server authentication) */
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/* RSA auth */
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# define SSL_aRSA 0x00000001L
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/* DSS auth */
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# define SSL_aDSS 0x00000002L
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/* no auth (i.e. use ADH or AECDH) */
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# define SSL_aNULL 0x00000004L
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/* Fixed DH auth (kDHd or kDHr) */
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# define SSL_aDH 0x00000008L
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/* Fixed ECDH auth (kECDHe or kECDHr) */
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# define SSL_aECDH 0x00000010L
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/* KRB5 auth */
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# define SSL_aKRB5 0x00000020L
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/* ECDSA auth*/
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# define SSL_aECDSA 0x00000040L
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/* PSK auth */
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# define SSL_aPSK 0x00000080L
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/* GOST R 34.10-94 signature auth */
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# define SSL_aGOST94 0x00000100L
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/* GOST R 34.10-2001 signature auth */
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# define SSL_aGOST01 0x00000200L
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/* SRP auth */
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# define SSL_aSRP 0x00000400L
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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_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_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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/*
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* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX make
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* sure to update this constant too
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*/
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# define SSL_MAX_DIGEST 6
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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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/*
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* Stream MAC for GOST ciphersuites from cryptopro draft (currently this also
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* goes into algorithm2)
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*/
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# define TLS1_STREAM_MAC 0x04
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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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*/
|
|
# 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))
|
|
|
|
# ifdef TLSEXT_TYPE_encrypt_then_mac
|
|
# define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC)
|
|
# else
|
|
# define SSL_USE_ETM(s) (0)
|
|
# endif
|
|
|
|
/* 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_kDHE <- 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
|
|
*/
|
|
|
|
/* used to hold info on the particular ciphers used */
|
|
struct ssl_cipher_st {
|
|
int valid;
|
|
const char *name; /* text name */
|
|
unsigned long id; /* id, 4 bytes, first is version */
|
|
/*
|
|
* changed in 0.9.9: these four used to be portions of a single value
|
|
* 'algorithms'
|
|
*/
|
|
unsigned long algorithm_mkey; /* key exchange algorithm */
|
|
unsigned long algorithm_auth; /* server authentication */
|
|
unsigned long algorithm_enc; /* symmetric encryption */
|
|
unsigned long algorithm_mac; /* symmetric authentication */
|
|
unsigned long algorithm_ssl; /* (major) protocol version */
|
|
unsigned long algo_strength; /* strength and export flags */
|
|
unsigned long algorithm2; /* Extra flags */
|
|
int strength_bits; /* Number of bits really used */
|
|
int alg_bits; /* Number of bits for algorithm */
|
|
};
|
|
|
|
/* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */
|
|
struct ssl_method_st {
|
|
int version;
|
|
int (*ssl_new) (SSL *s);
|
|
void (*ssl_clear) (SSL *s);
|
|
void (*ssl_free) (SSL *s);
|
|
int (*ssl_accept) (SSL *s);
|
|
int (*ssl_connect) (SSL *s);
|
|
int (*ssl_read) (SSL *s, void *buf, int len);
|
|
int (*ssl_peek) (SSL *s, void *buf, int len);
|
|
int (*ssl_write) (SSL *s, const void *buf, int len);
|
|
int (*ssl_shutdown) (SSL *s);
|
|
int (*ssl_renegotiate) (SSL *s);
|
|
int (*ssl_renegotiate_check) (SSL *s);
|
|
long (*ssl_get_message) (SSL *s, int st1, int stn, int mt, long
|
|
max, int *ok);
|
|
int (*ssl_read_bytes) (SSL *s, int type, unsigned char *buf, int len,
|
|
int peek);
|
|
int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len);
|
|
int (*ssl_dispatch_alert) (SSL *s);
|
|
long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg);
|
|
long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg);
|
|
const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr);
|
|
int (*put_cipher_by_char) (const SSL_CIPHER *cipher, unsigned char *ptr);
|
|
int (*ssl_pending) (const SSL *s);
|
|
int (*num_ciphers) (void);
|
|
const SSL_CIPHER *(*get_cipher) (unsigned ncipher);
|
|
const struct ssl_method_st *(*get_ssl_method) (int version);
|
|
long (*get_timeout) (void);
|
|
const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */
|
|
int (*ssl_version) (void);
|
|
long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void));
|
|
long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void));
|
|
};
|
|
|
|
/*-
|
|
* Lets make this into an ASN.1 type structure as follows
|
|
* SSL_SESSION_ID ::= SEQUENCE {
|
|
* version INTEGER, -- structure version number
|
|
* SSLversion INTEGER, -- SSL version number
|
|
* Cipher OCTET STRING, -- the 3 byte cipher ID
|
|
* Session_ID OCTET STRING, -- the Session ID
|
|
* Master_key OCTET STRING, -- the master key
|
|
* KRB5_principal OCTET STRING -- optional Kerberos principal
|
|
* Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument
|
|
* Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time
|
|
* Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds
|
|
* Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate
|
|
* Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context
|
|
* Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer'
|
|
* HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension
|
|
* PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
|
|
* PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity
|
|
* Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
|
|
* Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only)
|
|
* Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method
|
|
* SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
|
|
* flags [ 13 ] EXPLICIT INTEGER -- optional flags
|
|
* }
|
|
* Look in ssl/ssl_asn1.c for more details
|
|
* I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
|
|
*/
|
|
struct ssl_session_st {
|
|
int ssl_version; /* what ssl version session info is being
|
|
* kept in here? */
|
|
int master_key_length;
|
|
unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
|
|
/* session_id - valid? */
|
|
unsigned int session_id_length;
|
|
unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
|
|
/*
|
|
* this is used to determine whether the session is being reused in the
|
|
* appropriate context. It is up to the application to set this, via
|
|
* SSL_new
|
|
*/
|
|
unsigned int sid_ctx_length;
|
|
unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
|
|
# ifndef OPENSSL_NO_KRB5
|
|
unsigned int krb5_client_princ_len;
|
|
unsigned char krb5_client_princ[SSL_MAX_KRB5_PRINCIPAL_LENGTH];
|
|
# endif /* OPENSSL_NO_KRB5 */
|
|
# ifndef OPENSSL_NO_PSK
|
|
char *psk_identity_hint;
|
|
char *psk_identity;
|
|
# endif
|
|
/*
|
|
* Used to indicate that session resumption is not allowed. Applications
|
|
* can also set this bit for a new session via not_resumable_session_cb
|
|
* to disable session caching and tickets.
|
|
*/
|
|
int not_resumable;
|
|
/* The cert is the certificate used to establish this connection */
|
|
struct sess_cert_st /* SESS_CERT */ *sess_cert;
|
|
/*
|
|
* This is the cert for the other end. On clients, it will be the same as
|
|
* sess_cert->peer_key->x509 (the latter is not enough as sess_cert is
|
|
* not retained in the external representation of sessions, see
|
|
* ssl_asn1.c).
|
|
*/
|
|
X509 *peer;
|
|
/*
|
|
* when app_verify_callback accepts a session where the peer's
|
|
* certificate is not ok, we must remember the error for session reuse:
|
|
*/
|
|
long verify_result; /* only for servers */
|
|
int references;
|
|
long timeout;
|
|
long time;
|
|
unsigned int compress_meth; /* Need to lookup the method */
|
|
const SSL_CIPHER *cipher;
|
|
unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used
|
|
* to load the 'cipher' structure */
|
|
STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */
|
|
CRYPTO_EX_DATA ex_data; /* application specific data */
|
|
/*
|
|
* These are used to make removal of session-ids more efficient and to
|
|
* implement a maximum cache size.
|
|
*/
|
|
struct ssl_session_st *prev, *next;
|
|
# ifndef OPENSSL_NO_TLSEXT
|
|
char *tlsext_hostname;
|
|
# ifndef OPENSSL_NO_EC
|
|
size_t tlsext_ecpointformatlist_length;
|
|
unsigned char *tlsext_ecpointformatlist; /* peer's list */
|
|
size_t tlsext_ellipticcurvelist_length;
|
|
unsigned char *tlsext_ellipticcurvelist; /* peer's list */
|
|
# endif /* OPENSSL_NO_EC */
|
|
/* RFC4507 info */
|
|
unsigned char *tlsext_tick; /* Session ticket */
|
|
size_t tlsext_ticklen; /* Session ticket length */
|
|
unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */
|
|
# endif
|
|
# ifndef OPENSSL_NO_SRP
|
|
char *srp_username;
|
|
# endif
|
|
long flags;
|
|
};
|
|
|
|
/* Extended master secret support */
|
|
# define SSL_SESS_FLAG_EXTMS 0x1
|
|
|
|
|
|
# ifndef OPENSSL_NO_SRP
|
|
|
|
typedef struct srp_ctx_st {
|
|
/* param for all the callbacks */
|
|
void *SRP_cb_arg;
|
|
/* set client Hello login callback */
|
|
int (*TLS_ext_srp_username_callback) (SSL *, int *, void *);
|
|
/* set SRP N/g param callback for verification */
|
|
int (*SRP_verify_param_callback) (SSL *, void *);
|
|
/* set SRP client passwd callback */
|
|
char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *);
|
|
char *login;
|
|
BIGNUM *N, *g, *s, *B, *A;
|
|
BIGNUM *a, *b, *v;
|
|
char *info;
|
|
int strength;
|
|
unsigned long srp_Mask;
|
|
} SRP_CTX;
|
|
|
|
# endif
|
|
|
|
|
|
struct ssl_comp_st {
|
|
int id;
|
|
const char *name;
|
|
# ifndef OPENSSL_NO_COMP
|
|
COMP_METHOD *method;
|
|
# else
|
|
char *method;
|
|
# endif
|
|
};
|
|
|
|
DECLARE_STACK_OF(SSL_COMP)
|
|
DECLARE_LHASH_OF(SSL_SESSION);
|
|
|
|
struct ssl_ctx_st {
|
|
const SSL_METHOD *method;
|
|
STACK_OF(SSL_CIPHER) *cipher_list;
|
|
/* same as above but sorted for lookup */
|
|
STACK_OF(SSL_CIPHER) *cipher_list_by_id;
|
|
struct x509_store_st /* X509_STORE */ *cert_store;
|
|
LHASH_OF(SSL_SESSION) *sessions;
|
|
/*
|
|
* Most session-ids that will be cached, default is
|
|
* SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited.
|
|
*/
|
|
unsigned long session_cache_size;
|
|
struct ssl_session_st *session_cache_head;
|
|
struct ssl_session_st *session_cache_tail;
|
|
/*
|
|
* This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT,
|
|
* SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which
|
|
* means only SSL_accept which cache SSL_SESSIONS.
|
|
*/
|
|
int session_cache_mode;
|
|
/*
|
|
* If timeout is not 0, it is the default timeout value set when
|
|
* SSL_new() is called. This has been put in to make life easier to set
|
|
* things up
|
|
*/
|
|
long session_timeout;
|
|
/*
|
|
* If this callback is not null, it will be called each time a session id
|
|
* is added to the cache. If this function returns 1, it means that the
|
|
* callback will do a SSL_SESSION_free() when it has finished using it.
|
|
* Otherwise, on 0, it means the callback has finished with it. If
|
|
* remove_session_cb is not null, it will be called when a session-id is
|
|
* removed from the cache. After the call, OpenSSL will
|
|
* SSL_SESSION_free() it.
|
|
*/
|
|
int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess);
|
|
void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess);
|
|
SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl,
|
|
unsigned char *data, int len, int *copy);
|
|
struct {
|
|
int sess_connect; /* SSL new conn - started */
|
|
int sess_connect_renegotiate; /* SSL reneg - requested */
|
|
int sess_connect_good; /* SSL new conne/reneg - finished */
|
|
int sess_accept; /* SSL new accept - started */
|
|
int sess_accept_renegotiate; /* SSL reneg - requested */
|
|
int sess_accept_good; /* SSL accept/reneg - finished */
|
|
int sess_miss; /* session lookup misses */
|
|
int sess_timeout; /* reuse attempt on timeouted session */
|
|
int sess_cache_full; /* session removed due to full cache */
|
|
int sess_hit; /* session reuse actually done */
|
|
int sess_cb_hit; /* session-id that was not in the cache was
|
|
* passed back via the callback. This
|
|
* indicates that the application is
|
|
* supplying session-id's from other
|
|
* processes - spooky :-) */
|
|
} stats;
|
|
|
|
int references;
|
|
|
|
/* if defined, these override the X509_verify_cert() calls */
|
|
int (*app_verify_callback) (X509_STORE_CTX *, void *);
|
|
void *app_verify_arg;
|
|
/*
|
|
* before OpenSSL 0.9.7, 'app_verify_arg' was ignored
|
|
* ('app_verify_callback' was called with just one argument)
|
|
*/
|
|
|
|
/* Default password callback. */
|
|
pem_password_cb *default_passwd_callback;
|
|
|
|
/* Default password callback user data. */
|
|
void *default_passwd_callback_userdata;
|
|
|
|
/* get client cert callback */
|
|
int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey);
|
|
|
|
/* cookie generate callback */
|
|
int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie,
|
|
unsigned int *cookie_len);
|
|
|
|
/* verify cookie callback */
|
|
int (*app_verify_cookie_cb) (SSL *ssl, unsigned char *cookie,
|
|
unsigned int cookie_len);
|
|
|
|
CRYPTO_EX_DATA ex_data;
|
|
|
|
const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */
|
|
const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */
|
|
|
|
STACK_OF(X509) *extra_certs;
|
|
STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */
|
|
|
|
/* Default values used when no per-SSL value is defined follow */
|
|
|
|
/* used if SSL's info_callback is NULL */
|
|
void (*info_callback) (const SSL *ssl, int type, int val);
|
|
|
|
/* what we put in client cert requests */
|
|
STACK_OF(X509_NAME) *client_CA;
|
|
|
|
/*
|
|
* Default values to use in SSL structures follow (these are copied by
|
|
* SSL_new)
|
|
*/
|
|
|
|
unsigned long options;
|
|
unsigned long mode;
|
|
long max_cert_list;
|
|
|
|
struct cert_st /* CERT */ *cert;
|
|
int read_ahead;
|
|
|
|
/* callback that allows applications to peek at protocol messages */
|
|
void (*msg_callback) (int write_p, int version, int content_type,
|
|
const void *buf, size_t len, SSL *ssl, void *arg);
|
|
void *msg_callback_arg;
|
|
|
|
int verify_mode;
|
|
unsigned int sid_ctx_length;
|
|
unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
|
|
/* called 'verify_callback' in the SSL */
|
|
int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx);
|
|
|
|
/* Default generate session ID callback. */
|
|
GEN_SESSION_CB generate_session_id;
|
|
|
|
X509_VERIFY_PARAM *param;
|
|
|
|
int quiet_shutdown;
|
|
|
|
/*
|
|
* Maximum amount of data to send in one fragment. actual record size can
|
|
* be more than this due to padding and MAC overheads.
|
|
*/
|
|
unsigned int max_send_fragment;
|
|
|
|
# ifndef OPENSSL_NO_ENGINE
|
|
/*
|
|
* Engine to pass requests for client certs to
|
|
*/
|
|
ENGINE *client_cert_engine;
|
|
# endif
|
|
|
|
# ifndef OPENSSL_NO_TLSEXT
|
|
/* TLS extensions servername callback */
|
|
int (*tlsext_servername_callback) (SSL *, int *, void *);
|
|
void *tlsext_servername_arg;
|
|
/* RFC 4507 session ticket keys */
|
|
unsigned char tlsext_tick_key_name[16];
|
|
unsigned char tlsext_tick_hmac_key[16];
|
|
unsigned char tlsext_tick_aes_key[16];
|
|
/* Callback to support customisation of ticket key setting */
|
|
int (*tlsext_ticket_key_cb) (SSL *ssl,
|
|
unsigned char *name, unsigned char *iv,
|
|
EVP_CIPHER_CTX *ectx,
|
|
HMAC_CTX *hctx, int enc);
|
|
|
|
/* certificate status request info */
|
|
/* Callback for status request */
|
|
int (*tlsext_status_cb) (SSL *ssl, void *arg);
|
|
void *tlsext_status_arg;
|
|
# endif
|
|
|
|
# ifndef OPENSSL_NO_PSK
|
|
char *psk_identity_hint;
|
|
unsigned int (*psk_client_callback) (SSL *ssl, const char *hint,
|
|
char *identity,
|
|
unsigned int max_identity_len,
|
|
unsigned char *psk,
|
|
unsigned int max_psk_len);
|
|
unsigned int (*psk_server_callback) (SSL *ssl, const char *identity,
|
|
unsigned char *psk,
|
|
unsigned int max_psk_len);
|
|
# endif
|
|
|
|
# ifndef OPENSSL_NO_SRP
|
|
SRP_CTX srp_ctx; /* ctx for SRP authentication */
|
|
# endif
|
|
|
|
# ifndef OPENSSL_NO_TLSEXT
|
|
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
/* Next protocol negotiation information */
|
|
/* (for experimental NPN extension). */
|
|
|
|
/*
|
|
* For a server, this contains a callback function by which the set of
|
|
* advertised protocols can be provided.
|
|
*/
|
|
int (*next_protos_advertised_cb) (SSL *s, const unsigned char **buf,
|
|
unsigned int *len, void *arg);
|
|
void *next_protos_advertised_cb_arg;
|
|
/*
|
|
* For a client, this contains a callback function that selects the next
|
|
* protocol from the list provided by the server.
|
|
*/
|
|
int (*next_proto_select_cb) (SSL *s, unsigned char **out,
|
|
unsigned char *outlen,
|
|
const unsigned char *in,
|
|
unsigned int inlen, void *arg);
|
|
void *next_proto_select_cb_arg;
|
|
# endif
|
|
|
|
/*
|
|
* ALPN information (we are in the process of transitioning from NPN to
|
|
* ALPN.)
|
|
*/
|
|
|
|
/*-
|
|
* For a server, this contains a callback function that allows the
|
|
* server to select the protocol for the connection.
|
|
* out: on successful return, this must point to the raw protocol
|
|
* name (without the length prefix).
|
|
* outlen: on successful return, this contains the length of |*out|.
|
|
* in: points to the client's list of supported protocols in
|
|
* wire-format.
|
|
* inlen: the length of |in|.
|
|
*/
|
|
int (*alpn_select_cb) (SSL *s,
|
|
const unsigned char **out,
|
|
unsigned char *outlen,
|
|
const unsigned char *in,
|
|
unsigned int inlen, void *arg);
|
|
void *alpn_select_cb_arg;
|
|
|
|
/*
|
|
* For a client, this contains the list of supported protocols in wire
|
|
* format.
|
|
*/
|
|
unsigned char *alpn_client_proto_list;
|
|
unsigned alpn_client_proto_list_len;
|
|
|
|
/* SRTP profiles we are willing to do from RFC 5764 */
|
|
STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
|
|
# endif
|
|
/*
|
|
* Callback for disabling session caching and ticket support on a session
|
|
* basis, depending on the chosen cipher.
|
|
*/
|
|
int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure);
|
|
# ifndef OPENSSL_NO_EC
|
|
/* EC extension values inherited by SSL structure */
|
|
size_t tlsext_ecpointformatlist_length;
|
|
unsigned char *tlsext_ecpointformatlist;
|
|
size_t tlsext_ellipticcurvelist_length;
|
|
unsigned char *tlsext_ellipticcurvelist;
|
|
# endif /* OPENSSL_NO_EC */
|
|
};
|
|
|
|
|
|
struct ssl_st {
|
|
/*
|
|
* protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION,
|
|
* DTLS1_VERSION)
|
|
*/
|
|
int version;
|
|
/* SSL_ST_CONNECT or SSL_ST_ACCEPT */
|
|
int type;
|
|
/* SSLv3 */
|
|
const SSL_METHOD *method;
|
|
/*
|
|
* There are 2 BIO's even though they are normally both the same. This
|
|
* is so data can be read and written to different handlers
|
|
*/
|
|
/* used by SSL_read */
|
|
BIO *rbio;
|
|
/* used by SSL_write */
|
|
BIO *wbio;
|
|
/* used during session-id reuse to concatenate messages */
|
|
BIO *bbio;
|
|
/*
|
|
* This holds a variable that indicates what we were doing when a 0 or -1
|
|
* is returned. This is needed for non-blocking IO so we know what
|
|
* request needs re-doing when in SSL_accept or SSL_connect
|
|
*/
|
|
int rwstate;
|
|
/* true when we are actually in SSL_accept() or SSL_connect() */
|
|
int in_handshake;
|
|
int (*handshake_func) (SSL *);
|
|
/*
|
|
* Imagine that here's a boolean member "init" that is switched as soon
|
|
* as SSL_set_{accept/connect}_state is called for the first time, so
|
|
* that "state" and "handshake_func" are properly initialized. But as
|
|
* handshake_func is == 0 until then, we use this test instead of an
|
|
* "init" member.
|
|
*/
|
|
/* are we the server side? - mostly used by SSL_clear */
|
|
int server;
|
|
/*
|
|
* Generate a new session or reuse an old one.
|
|
* NB: For servers, the 'new' session may actually be a previously
|
|
* cached session or even the previous session unless
|
|
* SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set
|
|
*/
|
|
int new_session;
|
|
/* don't send shutdown packets */
|
|
int quiet_shutdown;
|
|
/* we have shut things down, 0x01 sent, 0x02 for received */
|
|
int shutdown;
|
|
/* where we are */
|
|
int state;
|
|
/* where we are when reading */
|
|
int rstate;
|
|
BUF_MEM *init_buf; /* buffer used during init */
|
|
void *init_msg; /* pointer to handshake message body, set by
|
|
* ssl3_get_message() */
|
|
int init_num; /* amount read/written */
|
|
int init_off; /* amount read/written */
|
|
/* used internally to point at a raw packet */
|
|
unsigned char *packet;
|
|
unsigned int packet_length;
|
|
struct ssl3_state_st *s3; /* SSLv3 variables */
|
|
struct dtls1_state_st *d1; /* DTLSv1 variables */
|
|
int read_ahead; /* Read as many input bytes as possible (for
|
|
* non-blocking reads) */
|
|
/* callback that allows applications to peek at protocol messages */
|
|
void (*msg_callback) (int write_p, int version, int content_type,
|
|
const void *buf, size_t len, SSL *ssl, void *arg);
|
|
void *msg_callback_arg;
|
|
int hit; /* reusing a previous session */
|
|
X509_VERIFY_PARAM *param;
|
|
/* crypto */
|
|
STACK_OF(SSL_CIPHER) *cipher_list;
|
|
STACK_OF(SSL_CIPHER) *cipher_list_by_id;
|
|
/*
|
|
* These are the ones being used, the ones in SSL_SESSION are the ones to
|
|
* be 'copied' into these ones
|
|
*/
|
|
int mac_flags;
|
|
EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */
|
|
EVP_MD_CTX *read_hash; /* used for mac generation */
|
|
# ifndef OPENSSL_NO_COMP
|
|
COMP_CTX *expand; /* uncompress */
|
|
# else
|
|
char *expand;
|
|
# endif
|
|
EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
|
|
EVP_MD_CTX *write_hash; /* used for mac generation */
|
|
# ifndef OPENSSL_NO_COMP
|
|
COMP_CTX *compress; /* compression */
|
|
# else
|
|
char *compress;
|
|
# endif
|
|
/* session info */
|
|
/* client cert? */
|
|
/* This is used to hold the server certificate used */
|
|
struct cert_st /* CERT */ *cert;
|
|
/*
|
|
* the session_id_context is used to ensure sessions are only reused in
|
|
* the appropriate context
|
|
*/
|
|
unsigned int sid_ctx_length;
|
|
unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
|
|
/* This can also be in the session once a session is established */
|
|
SSL_SESSION *session;
|
|
/* Default generate session ID callback. */
|
|
GEN_SESSION_CB generate_session_id;
|
|
/* Used in SSL3 */
|
|
/*
|
|
* 0 don't care about verify failure.
|
|
* 1 fail if verify fails
|
|
*/
|
|
int verify_mode;
|
|
/* fail if callback returns 0 */
|
|
int (*verify_callback) (int ok, X509_STORE_CTX *ctx);
|
|
/* optional informational callback */
|
|
void (*info_callback) (const SSL *ssl, int type, int val);
|
|
/* error bytes to be written */
|
|
int error;
|
|
/* actual code */
|
|
int error_code;
|
|
# ifndef OPENSSL_NO_KRB5
|
|
/* Kerberos 5 context */
|
|
KSSL_CTX *kssl_ctx;
|
|
# endif /* OPENSSL_NO_KRB5 */
|
|
# ifndef OPENSSL_NO_PSK
|
|
unsigned int (*psk_client_callback) (SSL *ssl, const char *hint,
|
|
char *identity,
|
|
unsigned int max_identity_len,
|
|
unsigned char *psk,
|
|
unsigned int max_psk_len);
|
|
unsigned int (*psk_server_callback) (SSL *ssl, const char *identity,
|
|
unsigned char *psk,
|
|
unsigned int max_psk_len);
|
|
# endif
|
|
SSL_CTX *ctx;
|
|
/*
|
|
* set this flag to 1 and a sleep(1) is put into all SSL_read() and
|
|
* SSL_write() calls, good for nbio debuging :-)
|
|
*/
|
|
int debug;
|
|
/* extra application data */
|
|
long verify_result;
|
|
CRYPTO_EX_DATA ex_data;
|
|
/* for server side, keep the list of CA_dn we can use */
|
|
STACK_OF(X509_NAME) *client_CA;
|
|
int references;
|
|
/* protocol behaviour */
|
|
unsigned long options;
|
|
/* API behaviour */
|
|
unsigned long mode;
|
|
long max_cert_list;
|
|
int first_packet;
|
|
/* what was passed, used for SSLv3/TLS rollback check */
|
|
int client_version;
|
|
unsigned int max_send_fragment;
|
|
# ifndef OPENSSL_NO_TLSEXT
|
|
/* TLS extension debug callback */
|
|
void (*tlsext_debug_cb) (SSL *s, int client_server, int type,
|
|
unsigned char *data, int len, void *arg);
|
|
void *tlsext_debug_arg;
|
|
char *tlsext_hostname;
|
|
/*-
|
|
* no further mod of servername
|
|
* 0 : call the servername extension callback.
|
|
* 1 : prepare 2, allow last ack just after in server callback.
|
|
* 2 : don't call servername callback, no ack in server hello
|
|
*/
|
|
int servername_done;
|
|
/* certificate status request info */
|
|
/* Status type or -1 if no status type */
|
|
int tlsext_status_type;
|
|
/* Expect OCSP CertificateStatus message */
|
|
int tlsext_status_expected;
|
|
/* OCSP status request only */
|
|
STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids;
|
|
X509_EXTENSIONS *tlsext_ocsp_exts;
|
|
/* OCSP response received or to be sent */
|
|
unsigned char *tlsext_ocsp_resp;
|
|
int tlsext_ocsp_resplen;
|
|
/* RFC4507 session ticket expected to be received or sent */
|
|
int tlsext_ticket_expected;
|
|
# ifndef OPENSSL_NO_EC
|
|
size_t tlsext_ecpointformatlist_length;
|
|
/* our list */
|
|
unsigned char *tlsext_ecpointformatlist;
|
|
size_t tlsext_ellipticcurvelist_length;
|
|
/* our list */
|
|
unsigned char *tlsext_ellipticcurvelist;
|
|
# endif /* OPENSSL_NO_EC */
|
|
/* TLS Session Ticket extension override */
|
|
TLS_SESSION_TICKET_EXT *tlsext_session_ticket;
|
|
/* TLS Session Ticket extension callback */
|
|
tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb;
|
|
void *tls_session_ticket_ext_cb_arg;
|
|
/* TLS pre-shared secret session resumption */
|
|
tls_session_secret_cb_fn tls_session_secret_cb;
|
|
void *tls_session_secret_cb_arg;
|
|
SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
/*
|
|
* Next protocol negotiation. For the client, this is the protocol that
|
|
* we sent in NextProtocol and is set when handling ServerHello
|
|
* extensions. For a server, this is the client's selected_protocol from
|
|
* NextProtocol and is set when handling the NextProtocol message, before
|
|
* the Finished message.
|
|
*/
|
|
unsigned char *next_proto_negotiated;
|
|
unsigned char next_proto_negotiated_len;
|
|
# endif
|
|
# define session_ctx initial_ctx
|
|
/* What we'll do */
|
|
STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
|
|
/* What's been chosen */
|
|
SRTP_PROTECTION_PROFILE *srtp_profile;
|
|
/*-
|
|
* Is use of the Heartbeat extension negotiated?
|
|
* 0: disabled
|
|
* 1: enabled
|
|
* 2: enabled, but not allowed to send Requests
|
|
*/
|
|
unsigned int tlsext_heartbeat;
|
|
/* Indicates if a HeartbeatRequest is in flight */
|
|
unsigned int tlsext_hb_pending;
|
|
/* HeartbeatRequest sequence number */
|
|
unsigned int tlsext_hb_seq;
|
|
/*
|
|
* For a client, this contains the list of supported protocols in wire
|
|
* format.
|
|
*/
|
|
unsigned char *alpn_client_proto_list;
|
|
unsigned alpn_client_proto_list_len;
|
|
# else
|
|
# define session_ctx ctx
|
|
# endif /* OPENSSL_NO_TLSEXT */
|
|
/*-
|
|
* 1 if we are renegotiating.
|
|
* 2 if we are a server and are inside a handshake
|
|
* (i.e. not just sending a HelloRequest)
|
|
*/
|
|
int renegotiate;
|
|
# ifndef OPENSSL_NO_SRP
|
|
/* ctx for SRP authentication */
|
|
SRP_CTX srp_ctx;
|
|
# endif
|
|
/*
|
|
* Callback for disabling session caching and ticket support on a session
|
|
* basis, depending on the chosen cipher.
|
|
*/
|
|
int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure);
|
|
};
|
|
|
|
typedef struct ssl3_record_st {
|
|
/* type of record */
|
|
/*
|
|
* r
|
|
*/ int type;
|
|
/* How many bytes available */
|
|
/*
|
|
* rw
|
|
*/ unsigned int length;
|
|
/*
|
|
* How many bytes were available before padding was removed? This is used
|
|
* to implement the MAC check in constant time for CBC records.
|
|
*/
|
|
/*
|
|
* rw
|
|
*/ unsigned int orig_len;
|
|
/* read/write offset into 'buf' */
|
|
/*
|
|
* r
|
|
*/ unsigned int off;
|
|
/* pointer to the record data */
|
|
/*
|
|
* rw
|
|
*/ unsigned char *data;
|
|
/* where the decode bytes are */
|
|
/*
|
|
* rw
|
|
*/ unsigned char *input;
|
|
/* only used with decompression - malloc()ed */
|
|
/*
|
|
* r
|
|
*/ unsigned char *comp;
|
|
/* epoch number, needed by DTLS1 */
|
|
/*
|
|
* r
|
|
*/ unsigned long epoch;
|
|
/* sequence number, needed by DTLS1 */
|
|
/*
|
|
* r
|
|
*/ unsigned char seq_num[8];
|
|
} SSL3_RECORD;
|
|
|
|
typedef struct ssl3_buffer_st {
|
|
/* at least SSL3_RT_MAX_PACKET_SIZE bytes, see ssl3_setup_buffers() */
|
|
unsigned char *buf;
|
|
/* buffer size */
|
|
size_t len;
|
|
/* where to 'copy from' */
|
|
int offset;
|
|
/* how many bytes left */
|
|
int left;
|
|
} SSL3_BUFFER;
|
|
|
|
typedef struct ssl3_state_st {
|
|
long flags;
|
|
int delay_buf_pop_ret;
|
|
unsigned char read_sequence[8];
|
|
int read_mac_secret_size;
|
|
unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
|
|
unsigned char write_sequence[8];
|
|
int write_mac_secret_size;
|
|
unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
|
|
unsigned char server_random[SSL3_RANDOM_SIZE];
|
|
unsigned char client_random[SSL3_RANDOM_SIZE];
|
|
/* flags for countermeasure against known-IV weakness */
|
|
int need_empty_fragments;
|
|
int empty_fragment_done;
|
|
/* The value of 'extra' when the buffers were initialized */
|
|
int init_extra;
|
|
SSL3_BUFFER rbuf; /* read IO goes into here */
|
|
SSL3_BUFFER wbuf; /* write IO goes into here */
|
|
SSL3_RECORD rrec; /* each decoded record goes in here */
|
|
SSL3_RECORD wrec; /* goes out from here */
|
|
/*
|
|
* storage for Alert/Handshake protocol data received but not yet
|
|
* processed by ssl3_read_bytes:
|
|
*/
|
|
unsigned char alert_fragment[2];
|
|
unsigned int alert_fragment_len;
|
|
unsigned char handshake_fragment[4];
|
|
unsigned int handshake_fragment_len;
|
|
/* partial write - check the numbers match */
|
|
unsigned int wnum; /* number of bytes sent so far */
|
|
int wpend_tot; /* number bytes written */
|
|
int wpend_type;
|
|
int wpend_ret; /* number of bytes submitted */
|
|
const unsigned char *wpend_buf;
|
|
/* used during startup, digest all incoming/outgoing packets */
|
|
BIO *handshake_buffer;
|
|
/*
|
|
* When set of handshake digests is determined, buffer is hashed and
|
|
* freed and MD_CTX-es for all required digests are stored in this array
|
|
*/
|
|
EVP_MD_CTX **handshake_dgst;
|
|
/*
|
|
* Set whenever an expected ChangeCipherSpec message is processed.
|
|
* Unset when the peer's Finished message is received.
|
|
* Unexpected ChangeCipherSpec messages trigger a fatal alert.
|
|
*/
|
|
int change_cipher_spec;
|
|
int warn_alert;
|
|
int fatal_alert;
|
|
/*
|
|
* we allow one fatal and one warning alert to be outstanding, send close
|
|
* alert via the warning alert
|
|
*/
|
|
int alert_dispatch;
|
|
unsigned char send_alert[2];
|
|
/*
|
|
* This flag is set when we should renegotiate ASAP, basically when there
|
|
* is no more data in the read or write buffers
|
|
*/
|
|
int renegotiate;
|
|
int total_renegotiations;
|
|
int num_renegotiations;
|
|
int in_read_app_data;
|
|
struct {
|
|
/* actually only needs to be 16+20 */
|
|
unsigned char cert_verify_md[EVP_MAX_MD_SIZE * 2];
|
|
/* actually only need to be 16+20 for SSLv3 and 12 for TLS */
|
|
unsigned char finish_md[EVP_MAX_MD_SIZE * 2];
|
|
int finish_md_len;
|
|
unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2];
|
|
int peer_finish_md_len;
|
|
unsigned long message_size;
|
|
int message_type;
|
|
/* used to hold the new cipher we are going to use */
|
|
const SSL_CIPHER *new_cipher;
|
|
# ifndef OPENSSL_NO_DH
|
|
DH *dh;
|
|
# endif
|
|
# ifndef OPENSSL_NO_EC
|
|
EC_KEY *ecdh; /* holds short lived ECDH key */
|
|
# endif
|
|
/* used when SSL_ST_FLUSH_DATA is entered */
|
|
int next_state;
|
|
int reuse_message;
|
|
/* used for certificate requests */
|
|
int cert_req;
|
|
int ctype_num;
|
|
char ctype[SSL3_CT_NUMBER];
|
|
STACK_OF(X509_NAME) *ca_names;
|
|
int use_rsa_tmp;
|
|
int key_block_length;
|
|
unsigned char *key_block;
|
|
const EVP_CIPHER *new_sym_enc;
|
|
const EVP_MD *new_hash;
|
|
int new_mac_pkey_type;
|
|
int new_mac_secret_size;
|
|
# ifndef OPENSSL_NO_COMP
|
|
const SSL_COMP *new_compression;
|
|
# else
|
|
char *new_compression;
|
|
# endif
|
|
int cert_request;
|
|
} tmp;
|
|
|
|
/* Connection binding to prevent renegotiation attacks */
|
|
unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
|
|
unsigned char previous_client_finished_len;
|
|
unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
|
|
unsigned char previous_server_finished_len;
|
|
int send_connection_binding; /* TODOEKR */
|
|
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
/*
|
|
* Set if we saw the Next Protocol Negotiation extension from our peer.
|
|
*/
|
|
int next_proto_neg_seen;
|
|
# endif
|
|
|
|
# ifndef OPENSSL_NO_TLSEXT
|
|
|
|
/*
|
|
* ALPN information (we are in the process of transitioning from NPN to
|
|
* ALPN.)
|
|
*/
|
|
|
|
/*
|
|
* In a server these point to the selected ALPN protocol after the
|
|
* ClientHello has been processed. In a client these contain the protocol
|
|
* that the server selected once the ServerHello has been processed.
|
|
*/
|
|
unsigned char *alpn_selected;
|
|
unsigned alpn_selected_len;
|
|
|
|
# ifndef OPENSSL_NO_EC
|
|
/*
|
|
* This is set to true if we believe that this is a version of Safari
|
|
* running on OS X 10.6 or newer. We wish to know this because Safari on
|
|
* 10.8 .. 10.8.3 has broken ECDHE-ECDSA support.
|
|
*/
|
|
char is_probably_safari;
|
|
# endif /* !OPENSSL_NO_EC */
|
|
|
|
# endif /* !OPENSSL_NO_TLSEXT */
|
|
} SSL3_STATE;
|
|
|
|
|
|
/* DTLS structures */
|
|
|
|
# ifndef OPENSSL_NO_SCTP
|
|
# define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP"
|
|
# endif
|
|
|
|
/* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */
|
|
# define DTLS1_MAX_MTU_OVERHEAD 48
|
|
|
|
typedef struct dtls1_bitmap_st {
|
|
unsigned long map; /* track 32 packets on 32-bit systems and 64
|
|
* - on 64-bit systems */
|
|
unsigned char max_seq_num[8]; /* max record number seen so far, 64-bit
|
|
* value in big-endian encoding */
|
|
} DTLS1_BITMAP;
|
|
|
|
struct dtls1_retransmit_state {
|
|
EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
|
|
EVP_MD_CTX *write_hash; /* used for mac generation */
|
|
# ifndef OPENSSL_NO_COMP
|
|
COMP_CTX *compress; /* compression */
|
|
# else
|
|
char *compress;
|
|
# endif
|
|
SSL_SESSION *session;
|
|
unsigned short epoch;
|
|
};
|
|
|
|
struct hm_header_st {
|
|
unsigned char type;
|
|
unsigned long msg_len;
|
|
unsigned short seq;
|
|
unsigned long frag_off;
|
|
unsigned long frag_len;
|
|
unsigned int is_ccs;
|
|
struct dtls1_retransmit_state saved_retransmit_state;
|
|
};
|
|
|
|
struct ccs_header_st {
|
|
unsigned char type;
|
|
unsigned short seq;
|
|
};
|
|
|
|
struct dtls1_timeout_st {
|
|
/* Number of read timeouts so far */
|
|
unsigned int read_timeouts;
|
|
/* Number of write timeouts so far */
|
|
unsigned int write_timeouts;
|
|
/* Number of alerts received so far */
|
|
unsigned int num_alerts;
|
|
};
|
|
|
|
typedef struct record_pqueue_st {
|
|
unsigned short epoch;
|
|
pqueue q;
|
|
} record_pqueue;
|
|
|
|
typedef struct hm_fragment_st {
|
|
struct hm_header_st msg_header;
|
|
unsigned char *fragment;
|
|
unsigned char *reassembly;
|
|
} hm_fragment;
|
|
|
|
typedef struct dtls1_state_st {
|
|
unsigned int send_cookie;
|
|
unsigned char cookie[DTLS1_COOKIE_LENGTH];
|
|
unsigned char rcvd_cookie[DTLS1_COOKIE_LENGTH];
|
|
unsigned int cookie_len;
|
|
/*
|
|
* The current data and handshake epoch. This is initially
|
|
* undefined, and starts at zero once the initial handshake is
|
|
* completed
|
|
*/
|
|
unsigned short r_epoch;
|
|
unsigned short w_epoch;
|
|
/* records being received in the current epoch */
|
|
DTLS1_BITMAP bitmap;
|
|
/* renegotiation starts a new set of sequence numbers */
|
|
DTLS1_BITMAP next_bitmap;
|
|
/* handshake message numbers */
|
|
unsigned short handshake_write_seq;
|
|
unsigned short next_handshake_write_seq;
|
|
unsigned short handshake_read_seq;
|
|
/* save last sequence number for retransmissions */
|
|
unsigned char last_write_sequence[8];
|
|
/* Received handshake records (processed and unprocessed) */
|
|
record_pqueue unprocessed_rcds;
|
|
record_pqueue processed_rcds;
|
|
/* Buffered handshake messages */
|
|
pqueue buffered_messages;
|
|
/* Buffered (sent) handshake records */
|
|
pqueue sent_messages;
|
|
/*
|
|
* Buffered application records. Only for records between CCS and
|
|
* Finished to prevent either protocol violation or unnecessary message
|
|
* loss.
|
|
*/
|
|
record_pqueue buffered_app_data;
|
|
/* Is set when listening for new connections with dtls1_listen() */
|
|
unsigned int listen;
|
|
unsigned int link_mtu; /* max on-the-wire DTLS packet size */
|
|
unsigned int mtu; /* max DTLS packet size */
|
|
struct hm_header_st w_msg_hdr;
|
|
struct hm_header_st r_msg_hdr;
|
|
struct dtls1_timeout_st timeout;
|
|
/*
|
|
* Indicates when the last handshake msg or heartbeat sent will timeout
|
|
*/
|
|
struct timeval next_timeout;
|
|
/* Timeout duration */
|
|
unsigned short timeout_duration;
|
|
/*
|
|
* storage for Alert/Handshake protocol data received but not yet
|
|
* processed by ssl3_read_bytes:
|
|
*/
|
|
unsigned char alert_fragment[DTLS1_AL_HEADER_LENGTH];
|
|
unsigned int alert_fragment_len;
|
|
unsigned char handshake_fragment[DTLS1_HM_HEADER_LENGTH];
|
|
unsigned int handshake_fragment_len;
|
|
unsigned int retransmitting;
|
|
/*
|
|
* Set when the handshake is ready to process peer's ChangeCipherSpec message.
|
|
* Cleared after the message has been processed.
|
|
*/
|
|
unsigned int change_cipher_spec_ok;
|
|
# ifndef OPENSSL_NO_SCTP
|
|
/* used when SSL_ST_XX_FLUSH is entered */
|
|
int next_state;
|
|
int shutdown_received;
|
|
# endif
|
|
} DTLS1_STATE;
|
|
|
|
typedef struct dtls1_record_data_st {
|
|
unsigned char *packet;
|
|
unsigned int packet_length;
|
|
SSL3_BUFFER rbuf;
|
|
SSL3_RECORD rrec;
|
|
# ifndef OPENSSL_NO_SCTP
|
|
struct bio_dgram_sctp_rcvinfo recordinfo;
|
|
# endif
|
|
} DTLS1_RECORD_DATA;
|
|
|
|
|
|
# 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
|
|
/*-
|
|
* 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 {
|
|
unsigned short ext_type;
|
|
/*
|
|
* Per-connection flags relating to this extension type: not used if
|
|
* part of an SSL_CTX structure.
|
|
*/
|
|
unsigned short ext_flags;
|
|
custom_ext_add_cb add_cb;
|
|
custom_ext_free_cb free_cb;
|
|
void *add_arg;
|
|
custom_ext_parse_cb parse_cb;
|
|
void *parse_arg;
|
|
} custom_ext_method;
|
|
|
|
/* ext_flags values */
|
|
|
|
/*
|
|
* Indicates an extension has been received. Used to check for unsolicited or
|
|
* duplicate extensions.
|
|
*/
|
|
# define SSL_EXT_FLAG_RECEIVED 0x1
|
|
/*
|
|
* Indicates an extension has been sent: used to enable sending of
|
|
* corresponding ServerHello extension.
|
|
*/
|
|
# define SSL_EXT_FLAG_SENT 0x2
|
|
|
|
typedef struct {
|
|
custom_ext_method *meths;
|
|
size_t meths_count;
|
|
} custom_ext_methods;
|
|
|
|
typedef struct cert_st {
|
|
/* Current active set */
|
|
/*
|
|
* ALWAYS points to an element of the pkeys array
|
|
* Probably it would make more sense to store
|
|
* an index, not a pointer.
|
|
*/
|
|
CERT_PKEY *key;
|
|
/*
|
|
* 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);
|
|
int dh_tmp_auto;
|
|
# endif
|
|
# ifndef OPENSSL_NO_EC
|
|
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;
|
|
/* Temporary storage for premaster secret */
|
|
unsigned char *pms;
|
|
size_t pmslen;
|
|
/*
|
|
* 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;
|
|
/* Custom extension methods for server and client */
|
|
custom_ext_methods cli_ext;
|
|
custom_ext_methods srv_ext;
|
|
/* Security callback */
|
|
int (*sec_cb) (SSL *s, SSL_CTX *ctx, int op, int bits, int nid,
|
|
void *other, void *ex);
|
|
/* Security level */
|
|
int sec_level;
|
|
void *sec_ex;
|
|
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 */
|
|
/* 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_EC
|
|
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 */
|
|
int (*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
|
|
|
|
# ifndef OPENSSL_NO_COMP
|
|
/* Used for holding the relevant compression methods loaded into SSL_CTX */
|
|
typedef struct ssl3_comp_st {
|
|
int comp_id; /* The identifier byte for this compression
|
|
* type */
|
|
char *name; /* Text name used for the compression type */
|
|
COMP_METHOD *method; /* The method :-) */
|
|
} SSL3_COMP;
|
|
# endif
|
|
|
|
extern SSL3_ENC_METHOD ssl3_undef_enc_method;
|
|
OPENSSL_EXTERN const SSL_CIPHER ssl3_ciphers[];
|
|
|
|
SSL_METHOD *ssl_bad_method(int ver);
|
|
|
|
extern const SSL3_ENC_METHOD TLSv1_enc_data;
|
|
extern const SSL3_ENC_METHOD TLSv1_1_enc_data;
|
|
extern const SSL3_ENC_METHOD TLSv1_2_enc_data;
|
|
extern const SSL3_ENC_METHOD SSLv3_enc_data;
|
|
extern const SSL3_ENC_METHOD DTLSv1_enc_data;
|
|
extern const 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_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; \
|
|
}
|
|
|
|
struct openssl_ssl_test_functions {
|
|
int (*p_ssl_init_wbio_buffer) (SSL *s, int push);
|
|
int (*p_ssl3_setup_buffers) (SSL *s);
|
|
int (*p_tls1_process_heartbeat) (SSL *s);
|
|
int (*p_dtls1_process_heartbeat) (SSL *s);
|
|
};
|
|
|
|
# ifndef OPENSSL_UNIT_TEST
|
|
|
|
void ssl_clear_cipher_ctx(SSL *s);
|
|
int ssl_clear_bad_session(SSL *s);
|
|
__owur CERT *ssl_cert_new(void);
|
|
__owur CERT *ssl_cert_dup(CERT *cert);
|
|
void ssl_cert_set_default_md(CERT *cert);
|
|
void ssl_cert_clear_certs(CERT *c);
|
|
void ssl_cert_free(CERT *c);
|
|
__owur SESS_CERT *ssl_sess_cert_new(void);
|
|
void ssl_sess_cert_free(SESS_CERT *sc);
|
|
__owur int ssl_set_peer_cert_type(SESS_CERT *c, int type);
|
|
__owur int ssl_get_new_session(SSL *s, int session);
|
|
__owur int ssl_get_prev_session(SSL *s, unsigned char *session, int len,
|
|
const unsigned char *limit);
|
|
__owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b);
|
|
DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id);
|
|
__owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
|
|
const SSL_CIPHER *const *bp);
|
|
__owur STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p,
|
|
int num,
|
|
STACK_OF(SSL_CIPHER) **skp);
|
|
__owur int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk,
|
|
unsigned char *p,
|
|
int (*put_cb) (const SSL_CIPHER *,
|
|
unsigned char *));
|
|
__owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
|
|
STACK_OF(SSL_CIPHER) **pref,
|
|
STACK_OF(SSL_CIPHER) **sorted,
|
|
const char *rule_str, CERT *c);
|
|
void ssl_update_cache(SSL *s, int mode);
|
|
__owur 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, SSL_COMP **comp, int use_etm);
|
|
__owur int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md);
|
|
__owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c);
|
|
__owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr);
|
|
__owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
|
|
__owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
|
|
__owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
|
|
__owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
|
|
__owur int ssl_cert_select_current(CERT *c, X509 *x);
|
|
__owur int ssl_cert_set_current(CERT *c, long arg);
|
|
__owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first);
|
|
void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg),
|
|
void *arg);
|
|
|
|
__owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk);
|
|
__owur int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l);
|
|
__owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags);
|
|
__owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref);
|
|
|
|
__owur int ssl_security(SSL *s, int op, int bits, int nid, void *other);
|
|
__owur int ssl_ctx_security(SSL_CTX *ctx, int op, int bits, int nid, void *other);
|
|
|
|
int ssl_undefined_function(SSL *s);
|
|
__owur int ssl_undefined_void_function(void);
|
|
__owur int ssl_undefined_const_function(const SSL *s);
|
|
__owur CERT_PKEY *ssl_get_server_send_pkey(const SSL *s);
|
|
# ifndef OPENSSL_NO_TLSEXT
|
|
__owur int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
|
|
size_t *serverinfo_length);
|
|
# endif
|
|
__owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd);
|
|
__owur int ssl_cert_type(X509 *x, EVP_PKEY *pkey);
|
|
void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher);
|
|
__owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
|
|
__owur int ssl_verify_alarm_type(long type);
|
|
void ssl_load_ciphers(void);
|
|
__owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len);
|
|
|
|
__owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
|
|
__owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
|
|
void ssl3_init_finished_mac(SSL *s);
|
|
__owur int ssl3_send_server_certificate(SSL *s);
|
|
__owur int ssl3_send_newsession_ticket(SSL *s);
|
|
__owur int ssl3_send_cert_status(SSL *s);
|
|
__owur int ssl3_get_finished(SSL *s, int state_a, int state_b);
|
|
__owur int ssl3_setup_key_block(SSL *s);
|
|
__owur int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b);
|
|
__owur int ssl3_change_cipher_state(SSL *s, int which);
|
|
void ssl3_cleanup_key_block(SSL *s);
|
|
__owur int ssl3_do_write(SSL *s, int type);
|
|
int ssl3_send_alert(SSL *s, int level, int desc);
|
|
__owur int ssl3_generate_master_secret(SSL *s, unsigned char *out,
|
|
unsigned char *p, int len);
|
|
__owur int ssl3_get_req_cert_type(SSL *s, unsigned char *p);
|
|
__owur long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
|
|
__owur int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen);
|
|
__owur int ssl3_num_ciphers(void);
|
|
__owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
|
|
int ssl3_renegotiate(SSL *ssl);
|
|
int ssl3_renegotiate_check(SSL *ssl);
|
|
__owur int ssl3_dispatch_alert(SSL *s);
|
|
__owur int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
|
|
__owur int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
|
|
__owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,
|
|
unsigned char *p);
|
|
__owur 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);
|
|
__owur int ssl3_enc(SSL *s, int send_data);
|
|
__owur int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
|
|
void ssl3_free_digest_list(SSL *s);
|
|
__owur unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk);
|
|
__owur SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt,
|
|
STACK_OF(SSL_CIPHER) *srvr);
|
|
__owur int ssl3_setup_buffers(SSL *s);
|
|
__owur int ssl3_setup_read_buffer(SSL *s);
|
|
__owur int ssl3_setup_write_buffer(SSL *s);
|
|
int ssl3_release_read_buffer(SSL *s);
|
|
int ssl3_release_write_buffer(SSL *s);
|
|
__owur int ssl3_digest_cached_records(SSL *s);
|
|
__owur int ssl3_new(SSL *s);
|
|
void ssl3_free(SSL *s);
|
|
__owur int ssl3_accept(SSL *s);
|
|
__owur int ssl3_connect(SSL *s);
|
|
__owur int ssl3_read(SSL *s, void *buf, int len);
|
|
__owur int ssl3_peek(SSL *s, void *buf, int len);
|
|
__owur int ssl3_write(SSL *s, const void *buf, int len);
|
|
__owur int ssl3_shutdown(SSL *s);
|
|
void ssl3_clear(SSL *s);
|
|
__owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg);
|
|
__owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
|
|
__owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
|
|
__owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
|
|
__owur int ssl3_pending(const SSL *s);
|
|
|
|
void ssl3_record_sequence_update(unsigned char *seq);
|
|
__owur int ssl3_do_change_cipher_spec(SSL *ssl);
|
|
__owur long ssl3_default_timeout(void);
|
|
|
|
__owur int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len);
|
|
__owur int ssl3_handshake_write(SSL *s);
|
|
|
|
__owur int ssl23_num_ciphers(void);
|
|
__owur const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
|
|
__owur int ssl23_read(SSL *s, void *buf, int len);
|
|
__owur int ssl23_peek(SSL *s, void *buf, int len);
|
|
__owur int ssl23_write(SSL *s, const void *buf, int len);
|
|
__owur int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
|
|
__owur const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
|
|
__owur long ssl23_default_timeout(void);
|
|
|
|
__owur int ssl_allow_compression(SSL *s);
|
|
|
|
__owur long tls1_default_timeout(void);
|
|
__owur int dtls1_do_write(SSL *s, int type);
|
|
__owur int ssl3_read_n(SSL *s, int n, int max, int extend);
|
|
__owur int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
|
|
__owur int ssl3_do_compress(SSL *ssl);
|
|
__owur int ssl3_do_uncompress(SSL *ssl);
|
|
__owur int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
|
|
unsigned int len);
|
|
void dtls1_set_message_header(SSL *s,
|
|
unsigned char *p, unsigned char mt,
|
|
unsigned long len,
|
|
unsigned long frag_off,
|
|
unsigned long frag_len);
|
|
|
|
__owur int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
|
|
__owur int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
|
|
|
|
__owur int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
|
|
__owur int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
|
|
__owur int dtls1_read_failed(SSL *s, int code);
|
|
__owur int dtls1_buffer_message(SSL *s, int ccs);
|
|
__owur int dtls1_retransmit_message(SSL *s, unsigned short seq,
|
|
unsigned long frag_off, int *found);
|
|
__owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
|
|
__owur 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);
|
|
__owur long dtls1_default_timeout(void);
|
|
__owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft);
|
|
__owur int dtls1_check_timeout_num(SSL *s);
|
|
__owur int dtls1_handle_timeout(SSL *s);
|
|
__owur const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
|
|
void dtls1_start_timer(SSL *s);
|
|
void dtls1_stop_timer(SSL *s);
|
|
__owur int dtls1_is_timer_expired(SSL *s);
|
|
void dtls1_double_timeout(SSL *s);
|
|
__owur int dtls1_send_newsession_ticket(SSL *s);
|
|
__owur unsigned int dtls1_min_mtu(SSL *s);
|
|
__owur unsigned int dtls1_link_min_mtu(void);
|
|
void dtls1_hm_fragment_free(hm_fragment *frag);
|
|
|
|
/* some client-only functions */
|
|
__owur int ssl3_client_hello(SSL *s);
|
|
__owur int ssl3_get_server_hello(SSL *s);
|
|
__owur int ssl3_get_certificate_request(SSL *s);
|
|
__owur int ssl3_get_new_session_ticket(SSL *s);
|
|
__owur int ssl3_get_cert_status(SSL *s);
|
|
__owur int ssl3_get_server_done(SSL *s);
|
|
__owur int ssl3_send_client_verify(SSL *s);
|
|
__owur int ssl3_send_client_certificate(SSL *s);
|
|
__owur int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
|
|
__owur int ssl3_send_client_key_exchange(SSL *s);
|
|
__owur int ssl3_get_key_exchange(SSL *s);
|
|
__owur int ssl3_get_server_certificate(SSL *s);
|
|
__owur int ssl3_check_cert_and_algorithm(SSL *s);
|
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# ifndef OPENSSL_NO_TLSEXT
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# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
__owur int ssl3_send_next_proto(SSL *s);
|
|
# endif
|
|
# endif
|
|
|
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int dtls1_client_hello(SSL *s);
|
|
|
|
/* some server-only functions */
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__owur int ssl3_get_client_hello(SSL *s);
|
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__owur int ssl3_send_server_hello(SSL *s);
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__owur int ssl3_send_hello_request(SSL *s);
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__owur int ssl3_send_server_key_exchange(SSL *s);
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__owur int ssl3_send_certificate_request(SSL *s);
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__owur int ssl3_send_server_done(SSL *s);
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__owur int ssl3_get_client_certificate(SSL *s);
|
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__owur int ssl3_get_client_key_exchange(SSL *s);
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__owur int ssl3_get_cert_verify(SSL *s);
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# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
__owur int ssl3_get_next_proto(SSL *s);
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|
# endif
|
|
|
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__owur int ssl23_accept(SSL *s);
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__owur int ssl23_connect(SSL *s);
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__owur int ssl23_read_bytes(SSL *s, int n);
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__owur int ssl23_write_bytes(SSL *s);
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__owur int tls1_new(SSL *s);
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void tls1_free(SSL *s);
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void tls1_clear(SSL *s);
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long tls1_ctrl(SSL *s, int cmd, long larg, void *parg);
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long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
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|
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__owur int dtls1_new(SSL *s);
|
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__owur int dtls1_accept(SSL *s);
|
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__owur int dtls1_connect(SSL *s);
|
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void dtls1_free(SSL *s);
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void dtls1_clear(SSL *s);
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long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg);
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__owur int dtls1_shutdown(SSL *s);
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|
|
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__owur long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
|
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__owur int dtls1_get_record(SSL *s);
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__owur int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
|
|
unsigned int len, int create_empty_fragement);
|
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__owur int dtls1_dispatch_alert(SSL *s);
|
|
|
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__owur int ssl_init_wbio_buffer(SSL *s, int push);
|
|
void ssl_free_wbio_buffer(SSL *s);
|
|
|
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__owur int tls1_change_cipher_state(SSL *s, int which);
|
|
__owur int tls1_setup_key_block(SSL *s);
|
|
__owur int tls1_enc(SSL *s, int snd);
|
|
__owur int tls1_final_finish_mac(SSL *s,
|
|
const char *str, int slen, unsigned char *p);
|
|
__owur int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
|
|
__owur int tls1_mac(SSL *ssl, unsigned char *md, int snd);
|
|
__owur int tls1_generate_master_secret(SSL *s, unsigned char *out,
|
|
unsigned char *p, int len);
|
|
__owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
|
|
const char *label, size_t llen,
|
|
const unsigned char *p, size_t plen,
|
|
int use_context);
|
|
__owur int tls1_alert_code(int code);
|
|
__owur int ssl3_alert_code(int code);
|
|
__owur int ssl_ok(SSL *s);
|
|
|
|
# ifndef OPENSSL_NO_EC
|
|
__owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
|
|
# endif
|
|
|
|
SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
|
|
|
|
# ifndef OPENSSL_NO_EC
|
|
__owur int tls1_ec_curve_id2nid(int curve_id);
|
|
__owur int tls1_ec_nid2curve_id(int nid);
|
|
__owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len);
|
|
__owur int tls1_shared_curve(SSL *s, int nmatch);
|
|
__owur int tls1_set_curves(unsigned char **pext, size_t *pextlen,
|
|
int *curves, size_t ncurves);
|
|
__owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
|
|
const char *str);
|
|
__owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id);
|
|
# endif /* OPENSSL_NO_EC */
|
|
|
|
# ifndef OPENSSL_NO_TLSEXT
|
|
__owur int tls1_shared_list(SSL *s,
|
|
const unsigned char *l1, size_t l1len,
|
|
const unsigned char *l2, size_t l2len, int nmatch);
|
|
__owur unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf,
|
|
unsigned char *limit, int *al);
|
|
__owur unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf,
|
|
unsigned char *limit, int *al);
|
|
__owur int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data,
|
|
unsigned char *d, int n);
|
|
__owur int tls1_set_server_sigalgs(SSL *s);
|
|
__owur int ssl_check_clienthello_tlsext_late(SSL *s);
|
|
__owur int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data,
|
|
unsigned char *d, int n);
|
|
__owur int ssl_prepare_clienthello_tlsext(SSL *s);
|
|
__owur int ssl_prepare_serverhello_tlsext(SSL *s);
|
|
|
|
# ifndef OPENSSL_NO_HEARTBEATS
|
|
__owur int tls1_heartbeat(SSL *s);
|
|
__owur int dtls1_heartbeat(SSL *s);
|
|
__owur int tls1_process_heartbeat(SSL *s);
|
|
__owur int dtls1_process_heartbeat(SSL *s);
|
|
# endif
|
|
|
|
__owur int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
|
|
const unsigned char *limit, SSL_SESSION **ret);
|
|
|
|
__owur int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
|
|
const EVP_MD *md);
|
|
__owur int tls12_get_sigid(const EVP_PKEY *pk);
|
|
__owur const EVP_MD *tls12_get_hash(unsigned char hash_alg);
|
|
void ssl_set_sig_mask(unsigned long *pmask_a, SSL *s, int op);
|
|
|
|
__owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
|
|
__owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client);
|
|
__owur 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
|
|
# ifndef OPENSSL_NO_DH
|
|
__owur DH *ssl_get_auto_dh(SSL *s);
|
|
# endif
|
|
|
|
__owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee);
|
|
__owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, int vfy);
|
|
|
|
__owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md);
|
|
void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
|
|
__owur int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
|
|
int maxlen);
|
|
__owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
|
|
int *al);
|
|
__owur int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
|
|
int maxlen);
|
|
__owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
|
|
int *al);
|
|
__owur long ssl_get_algorithm2(SSL *s);
|
|
__owur size_t tls12_copy_sigalgs(SSL *s, unsigned char *out,
|
|
const unsigned char *psig, size_t psiglen);
|
|
__owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize);
|
|
__owur int tls1_process_sigalgs(SSL *s);
|
|
__owur size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs);
|
|
__owur 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);
|
|
__owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op);
|
|
|
|
__owur int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
|
|
int maxlen);
|
|
__owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,
|
|
int *al);
|
|
__owur int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
|
|
int maxlen);
|
|
__owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,
|
|
int *al);
|
|
|
|
__owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen);
|
|
|
|
/* s3_cbc.c */
|
|
void ssl3_cbc_copy_mac(unsigned char *out,
|
|
const SSL3_RECORD *rec, unsigned md_size);
|
|
__owur int ssl3_cbc_remove_padding(const SSL *s,
|
|
SSL3_RECORD *rec,
|
|
unsigned block_size, unsigned mac_size);
|
|
__owur int tls1_cbc_remove_padding(const SSL *s,
|
|
SSL3_RECORD *rec,
|
|
unsigned block_size, unsigned mac_size);
|
|
__owur 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);
|
|
|
|
__owur int srp_verify_server_param(SSL *s, int *al);
|
|
|
|
/* t1_ext.c */
|
|
|
|
void custom_ext_init(custom_ext_methods *meths);
|
|
|
|
__owur int custom_ext_parse(SSL *s, int server,
|
|
unsigned int ext_type,
|
|
const unsigned char *ext_data, size_t ext_size, int *al);
|
|
__owur int custom_ext_add(SSL *s, int server,
|
|
unsigned char **pret, unsigned char *limit, int *al);
|
|
|
|
__owur int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src);
|
|
void custom_exts_free(custom_ext_methods *exts);
|
|
|
|
# else
|
|
|
|
# define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
|
|
# define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
|
|
# define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat
|
|
# define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat
|
|
|
|
# endif
|
|
#endif
|