[331] | 1 | /*
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| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | /* ====================================================================
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| 11 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
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| 12 | * ECC cipher suite support in OpenSSL originally developed by
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| 13 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
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| 14 | */
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| 15 | /* ====================================================================
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| 16 | * Copyright 2005 Nokia. All rights reserved.
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| 17 | *
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| 18 | * The portions of the attached software ("Contribution") is developed by
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| 19 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source
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| 20 | * license.
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| 21 | *
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| 22 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of
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| 23 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
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| 24 | * support (see RFC 4279) to OpenSSL.
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| 25 | *
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| 26 | * No patent licenses or other rights except those expressly stated in
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| 27 | * the OpenSSL open source license shall be deemed granted or received
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| 28 | * expressly, by implication, estoppel, or otherwise.
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| 29 | *
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| 30 | * No assurances are provided by Nokia that the Contribution does not
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| 31 | * infringe the patent or other intellectual property rights of any third
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| 32 | * party or that the license provides you with all the necessary rights
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| 33 | * to make use of the Contribution.
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| 34 | *
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| 35 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
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| 36 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
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| 37 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
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| 38 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
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| 39 | * OTHERWISE.
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| 40 | */
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| 41 |
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| 42 | #ifndef HEADER_SSL_LOCL_H
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| 43 | # define HEADER_SSL_LOCL_H
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| 44 | # include <stdlib.h>
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| 45 | # include <time.h>
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| 46 | # include <string.h>
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| 47 | # include <errno.h>
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| 48 |
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| 49 | # include "e_os.h"
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| 50 | # if defined(__unix) || defined(__unix__)
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| 51 | # include <sys/time.h> /* struct timeval for DTLS */
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| 52 | # endif
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| 53 |
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| 54 | # include <openssl/buffer.h>
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| 55 | # include <openssl/comp.h>
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| 56 | # include <openssl/bio.h>
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| 57 | # include <openssl/stack.h>
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| 58 | # include <openssl/rsa.h>
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| 59 | # include <openssl/dsa.h>
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| 60 | # include <openssl/err.h>
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| 61 | # include <openssl/ssl.h>
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| 62 | # include <openssl/async.h>
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| 63 | # include <openssl/symhacks.h>
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| 64 | # include <openssl/ct.h>
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| 65 | # include "record/record.h"
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| 66 | # include "statem/statem.h"
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| 67 | # include "packet_locl.h"
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| 68 | # include "internal/dane.h"
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| 69 |
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| 70 | # ifdef OPENSSL_BUILD_SHLIBSSL
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| 71 | # undef OPENSSL_EXTERN
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| 72 | # define OPENSSL_EXTERN OPENSSL_EXPORT
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| 73 | # endif
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| 74 |
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| 75 | # undef PKCS1_CHECK
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| 76 |
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| 77 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
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| 78 | l|=(((unsigned long)(*((c)++)))<< 8), \
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| 79 | l|=(((unsigned long)(*((c)++)))<<16), \
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| 80 | l|=(((unsigned long)(*((c)++)))<<24))
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| 81 |
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| 82 | /* NOTE - c is not incremented as per c2l */
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| 83 | # define c2ln(c,l1,l2,n) { \
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| 84 | c+=n; \
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| 85 | l1=l2=0; \
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| 86 | switch (n) { \
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| 87 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \
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| 88 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \
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| 89 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
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| 90 | case 5: l2|=((unsigned long)(*(--(c)))); \
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| 91 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \
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| 92 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \
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| 93 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
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| 94 | case 1: l1|=((unsigned long)(*(--(c)))); \
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| 95 | } \
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| 96 | }
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| 97 |
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| 98 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
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| 99 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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| 100 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \
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| 101 | *((c)++)=(unsigned char)(((l)>>24)&0xff))
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| 102 |
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| 103 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
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| 104 | l|=((unsigned long)(*((c)++)))<<16, \
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| 105 | l|=((unsigned long)(*((c)++)))<< 8, \
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| 106 | l|=((unsigned long)(*((c)++))))
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| 107 |
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| 108 | # define n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \
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| 109 | l|=((uint64_t)(*((c)++)))<<48, \
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| 110 | l|=((uint64_t)(*((c)++)))<<40, \
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| 111 | l|=((uint64_t)(*((c)++)))<<32, \
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| 112 | l|=((uint64_t)(*((c)++)))<<24, \
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| 113 | l|=((uint64_t)(*((c)++)))<<16, \
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| 114 | l|=((uint64_t)(*((c)++)))<< 8, \
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| 115 | l|=((uint64_t)(*((c)++))))
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| 116 |
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| 117 |
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| 118 | # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
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| 119 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \
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| 120 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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| 121 | *((c)++)=(unsigned char)(((l) )&0xff))
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| 122 |
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| 123 | # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
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| 124 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \
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| 125 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \
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| 126 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \
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| 127 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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| 128 | *((c)++)=(unsigned char)(((l) )&0xff))
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| 129 |
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| 130 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \
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| 131 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \
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| 132 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \
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| 133 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \
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| 134 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \
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| 135 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \
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| 136 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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| 137 | *((c)++)=(unsigned char)(((l) )&0xff))
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| 138 |
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| 139 | /* NOTE - c is not incremented as per l2c */
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| 140 | # define l2cn(l1,l2,c,n) { \
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| 141 | c+=n; \
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| 142 | switch (n) { \
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| 143 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
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| 144 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
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| 145 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
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| 146 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
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| 147 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
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| 148 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
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| 149 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
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| 150 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
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| 151 | } \
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| 152 | }
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| 153 |
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| 154 | # define n2s(c,s) ((s=(((unsigned int)((c)[0]))<< 8)| \
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| 155 | (((unsigned int)((c)[1])) )),(c)+=2)
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| 156 | # define s2n(s,c) (((c)[0]=(unsigned char)(((s)>> 8)&0xff), \
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| 157 | (c)[1]=(unsigned char)(((s) )&0xff)),(c)+=2)
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| 158 |
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| 159 | # define n2l3(c,l) ((l =(((unsigned long)((c)[0]))<<16)| \
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| 160 | (((unsigned long)((c)[1]))<< 8)| \
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| 161 | (((unsigned long)((c)[2])) )),(c)+=3)
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| 162 |
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| 163 | # define l2n3(l,c) (((c)[0]=(unsigned char)(((l)>>16)&0xff), \
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| 164 | (c)[1]=(unsigned char)(((l)>> 8)&0xff), \
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| 165 | (c)[2]=(unsigned char)(((l) )&0xff)),(c)+=3)
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| 166 |
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| 167 | /*
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| 168 | * DTLS version numbers are strange because they're inverted. Except for
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| 169 | * DTLS1_BAD_VER, which should be considered "lower" than the rest.
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| 170 | */
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| 171 | # define dtls_ver_ordinal(v1) (((v1) == DTLS1_BAD_VER) ? 0xff00 : (v1))
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| 172 | # define DTLS_VERSION_GT(v1, v2) (dtls_ver_ordinal(v1) < dtls_ver_ordinal(v2))
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| 173 | # define DTLS_VERSION_GE(v1, v2) (dtls_ver_ordinal(v1) <= dtls_ver_ordinal(v2))
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| 174 | # define DTLS_VERSION_LT(v1, v2) (dtls_ver_ordinal(v1) > dtls_ver_ordinal(v2))
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| 175 | # define DTLS_VERSION_LE(v1, v2) (dtls_ver_ordinal(v1) >= dtls_ver_ordinal(v2))
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| 176 |
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| 177 | /* LOCAL STUFF */
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| 178 |
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| 179 | # define SSL_DECRYPT 0
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| 180 | # define SSL_ENCRYPT 1
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| 181 |
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| 182 | # define TWO_BYTE_BIT 0x80
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| 183 | # define SEC_ESC_BIT 0x40
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| 184 | # define TWO_BYTE_MASK 0x7fff
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| 185 | # define THREE_BYTE_MASK 0x3fff
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| 186 |
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| 187 | # define INC32(a) ((a)=((a)+1)&0xffffffffL)
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| 188 | # define DEC32(a) ((a)=((a)-1)&0xffffffffL)
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| 189 | # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
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| 190 |
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| 191 | /*
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| 192 | * Define the Bitmasks for SSL_CIPHER.algorithms.
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| 193 | * This bits are used packed as dense as possible. If new methods/ciphers
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| 194 | * etc will be added, the bits a likely to change, so this information
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| 195 | * is for internal library use only, even though SSL_CIPHER.algorithms
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| 196 | * can be publicly accessed.
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| 197 | * Use the according functions for cipher management instead.
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| 198 | *
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| 199 | * The bit mask handling in the selection and sorting scheme in
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| 200 | * ssl_create_cipher_list() has only limited capabilities, reflecting
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| 201 | * that the different entities within are mutually exclusive:
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| 202 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
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| 203 | */
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| 204 |
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| 205 | /* Bits for algorithm_mkey (key exchange algorithm) */
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| 206 | /* RSA key exchange */
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| 207 | # define SSL_kRSA 0x00000001U
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| 208 | /* tmp DH key no DH cert */
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| 209 | # define SSL_kDHE 0x00000002U
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| 210 | /* synonym */
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| 211 | # define SSL_kEDH SSL_kDHE
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| 212 | /* ephemeral ECDH */
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| 213 | # define SSL_kECDHE 0x00000004U
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| 214 | /* synonym */
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| 215 | # define SSL_kEECDH SSL_kECDHE
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| 216 | /* PSK */
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| 217 | # define SSL_kPSK 0x00000008U
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| 218 | /* GOST key exchange */
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| 219 | # define SSL_kGOST 0x00000010U
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| 220 | /* SRP */
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| 221 | # define SSL_kSRP 0x00000020U
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| 222 |
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| 223 | # define SSL_kRSAPSK 0x00000040U
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| 224 | # define SSL_kECDHEPSK 0x00000080U
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| 225 | # define SSL_kDHEPSK 0x00000100U
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| 226 |
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| 227 | /* all PSK */
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| 228 |
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| 229 | # define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK)
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| 230 |
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| 231 | /* Bits for algorithm_auth (server authentication) */
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| 232 | /* RSA auth */
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| 233 | # define SSL_aRSA 0x00000001U
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| 234 | /* DSS auth */
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| 235 | # define SSL_aDSS 0x00000002U
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| 236 | /* no auth (i.e. use ADH or AECDH) */
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| 237 | # define SSL_aNULL 0x00000004U
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| 238 | /* ECDSA auth*/
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| 239 | # define SSL_aECDSA 0x00000008U
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| 240 | /* PSK auth */
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| 241 | # define SSL_aPSK 0x00000010U
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| 242 | /* GOST R 34.10-2001 signature auth */
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| 243 | # define SSL_aGOST01 0x00000020U
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| 244 | /* SRP auth */
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| 245 | # define SSL_aSRP 0x00000040U
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| 246 | /* GOST R 34.10-2012 signature auth */
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| 247 | # define SSL_aGOST12 0x00000080U
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| 248 |
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| 249 | /* Bits for algorithm_enc (symmetric encryption) */
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| 250 | # define SSL_DES 0x00000001U
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| 251 | # define SSL_3DES 0x00000002U
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| 252 | # define SSL_RC4 0x00000004U
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| 253 | # define SSL_RC2 0x00000008U
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| 254 | # define SSL_IDEA 0x00000010U
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| 255 | # define SSL_eNULL 0x00000020U
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| 256 | # define SSL_AES128 0x00000040U
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| 257 | # define SSL_AES256 0x00000080U
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| 258 | # define SSL_CAMELLIA128 0x00000100U
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| 259 | # define SSL_CAMELLIA256 0x00000200U
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| 260 | # define SSL_eGOST2814789CNT 0x00000400U
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| 261 | # define SSL_SEED 0x00000800U
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| 262 | # define SSL_AES128GCM 0x00001000U
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| 263 | # define SSL_AES256GCM 0x00002000U
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| 264 | # define SSL_AES128CCM 0x00004000U
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| 265 | # define SSL_AES256CCM 0x00008000U
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| 266 | # define SSL_AES128CCM8 0x00010000U
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| 267 | # define SSL_AES256CCM8 0x00020000U
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| 268 | # define SSL_eGOST2814789CNT12 0x00040000U
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| 269 | # define SSL_CHACHA20POLY1305 0x00080000U
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| 270 |
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| 271 | # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM)
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| 272 | # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8)
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| 273 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM)
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| 274 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
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| 275 | # define SSL_CHACHA20 (SSL_CHACHA20POLY1305)
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| 276 |
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| 277 | /* Bits for algorithm_mac (symmetric authentication) */
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| 278 |
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| 279 | # define SSL_MD5 0x00000001U
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| 280 | # define SSL_SHA1 0x00000002U
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| 281 | # define SSL_GOST94 0x00000004U
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| 282 | # define SSL_GOST89MAC 0x00000008U
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| 283 | # define SSL_SHA256 0x00000010U
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| 284 | # define SSL_SHA384 0x00000020U
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| 285 | /* Not a real MAC, just an indication it is part of cipher */
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| 286 | # define SSL_AEAD 0x00000040U
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| 287 | # define SSL_GOST12_256 0x00000080U
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| 288 | # define SSL_GOST89MAC12 0x00000100U
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| 289 | # define SSL_GOST12_512 0x00000200U
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| 290 |
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| 291 | /*
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| 292 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make
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| 293 | * sure to update this constant too
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| 294 | */
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| 295 |
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| 296 | # define SSL_MD_MD5_IDX 0
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| 297 | # define SSL_MD_SHA1_IDX 1
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| 298 | # define SSL_MD_GOST94_IDX 2
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| 299 | # define SSL_MD_GOST89MAC_IDX 3
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| 300 | # define SSL_MD_SHA256_IDX 4
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| 301 | # define SSL_MD_SHA384_IDX 5
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| 302 | # define SSL_MD_GOST12_256_IDX 6
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| 303 | # define SSL_MD_GOST89MAC12_IDX 7
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| 304 | # define SSL_MD_GOST12_512_IDX 8
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| 305 | # define SSL_MD_MD5_SHA1_IDX 9
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| 306 | # define SSL_MD_SHA224_IDX 10
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| 307 | # define SSL_MD_SHA512_IDX 11
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| 308 | # define SSL_MAX_DIGEST 12
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| 309 |
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| 310 | /* Bits for algorithm2 (handshake digests and other extra flags) */
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| 311 |
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| 312 | /* Bits 0-7 are handshake MAC */
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| 313 | # define SSL_HANDSHAKE_MAC_MASK 0xFF
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| 314 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX
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| 315 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX
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| 316 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX
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| 317 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX
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| 318 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX
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| 319 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX
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| 320 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1
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| 321 |
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| 322 | /* Bits 8-15 bits are PRF */
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| 323 | # define TLS1_PRF_DGST_SHIFT 8
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| 324 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
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| 325 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT)
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| 326 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT)
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| 327 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT)
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| 328 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT)
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| 329 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT)
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| 330 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
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| 331 |
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| 332 | /*
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| 333 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also
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| 334 | * goes into algorithm2)
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| 335 | */
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| 336 | # define TLS1_STREAM_MAC 0x10000
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| 337 |
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| 338 | # define SSL_STRONG_MASK 0x0000001FU
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| 339 | # define SSL_DEFAULT_MASK 0X00000020U
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| 340 |
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| 341 | # define SSL_STRONG_NONE 0x00000001U
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| 342 | # define SSL_LOW 0x00000002U
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| 343 | # define SSL_MEDIUM 0x00000004U
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| 344 | # define SSL_HIGH 0x00000008U
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| 345 | # define SSL_FIPS 0x00000010U
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| 346 | # define SSL_NOT_DEFAULT 0x00000020U
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| 347 |
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| 348 | /* we have used 0000003f - 26 bits left to go */
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| 349 |
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| 350 | /* Check if an SSL structure is using DTLS */
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| 351 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
|
---|
| 352 | /* See if we need explicit IV */
|
---|
| 353 | # define SSL_USE_EXPLICIT_IV(s) \
|
---|
| 354 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV)
|
---|
| 355 | /*
|
---|
| 356 | * See if we use signature algorithms extension and signature algorithm
|
---|
| 357 | * before signatures.
|
---|
| 358 | */
|
---|
| 359 | # define SSL_USE_SIGALGS(s) \
|
---|
| 360 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS)
|
---|
| 361 | /*
|
---|
| 362 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
|
---|
| 363 | * apply to others in future.
|
---|
| 364 | */
|
---|
| 365 | # define SSL_USE_TLS1_2_CIPHERS(s) \
|
---|
| 366 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)
|
---|
| 367 | /*
|
---|
| 368 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method
|
---|
| 369 | * flags because it may not be set to correct version yet.
|
---|
| 370 | */
|
---|
| 371 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \
|
---|
| 372 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \
|
---|
| 373 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION)))
|
---|
| 374 | /*
|
---|
| 375 | * Determine if a client should send signature algorithms extension:
|
---|
| 376 | * as with TLS1.2 cipher we can't rely on method flags.
|
---|
| 377 | */
|
---|
| 378 | # define SSL_CLIENT_USE_SIGALGS(s) \
|
---|
| 379 | SSL_CLIENT_USE_TLS1_2_CIPHERS(s)
|
---|
| 380 |
|
---|
| 381 | # define SSL_READ_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ)
|
---|
| 382 | # define SSL_WRITE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE)
|
---|
| 383 |
|
---|
| 384 | /* Mostly for SSLv3 */
|
---|
| 385 | # define SSL_PKEY_RSA_ENC 0
|
---|
| 386 | # define SSL_PKEY_RSA_SIGN 1
|
---|
| 387 | # define SSL_PKEY_DSA_SIGN 2
|
---|
| 388 | # define SSL_PKEY_ECC 3
|
---|
| 389 | # define SSL_PKEY_GOST01 4
|
---|
| 390 | # define SSL_PKEY_GOST12_256 5
|
---|
| 391 | # define SSL_PKEY_GOST12_512 6
|
---|
| 392 | # define SSL_PKEY_NUM 7
|
---|
| 393 | /*
|
---|
| 394 | * Pseudo-constant. GOST cipher suites can use different certs for 1
|
---|
| 395 | * SSL_CIPHER. So let's see which one we have in fact.
|
---|
| 396 | */
|
---|
| 397 | # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1
|
---|
| 398 |
|
---|
| 399 | /*-
|
---|
| 400 | * SSL_kRSA <- RSA_ENC
|
---|
| 401 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
|
---|
| 402 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN
|
---|
| 403 | * SSL_aRSA <- RSA_ENC | RSA_SIGN
|
---|
| 404 | * SSL_aDSS <- DSA_SIGN
|
---|
| 405 | */
|
---|
| 406 |
|
---|
| 407 | /*-
|
---|
| 408 | #define CERT_INVALID 0
|
---|
| 409 | #define CERT_PUBLIC_KEY 1
|
---|
| 410 | #define CERT_PRIVATE_KEY 2
|
---|
| 411 | */
|
---|
| 412 |
|
---|
| 413 | /* CipherSuite length. SSLv3 and all TLS versions. */
|
---|
| 414 | # define TLS_CIPHER_LEN 2
|
---|
| 415 | /* used to hold info on the particular ciphers used */
|
---|
| 416 | struct ssl_cipher_st {
|
---|
| 417 | uint32_t valid;
|
---|
| 418 | const char *name; /* text name */
|
---|
| 419 | uint32_t id; /* id, 4 bytes, first is version */
|
---|
| 420 | /*
|
---|
| 421 | * changed in 1.0.0: these four used to be portions of a single value
|
---|
| 422 | * 'algorithms'
|
---|
| 423 | */
|
---|
| 424 | uint32_t algorithm_mkey; /* key exchange algorithm */
|
---|
| 425 | uint32_t algorithm_auth; /* server authentication */
|
---|
| 426 | uint32_t algorithm_enc; /* symmetric encryption */
|
---|
| 427 | uint32_t algorithm_mac; /* symmetric authentication */
|
---|
| 428 | int min_tls; /* minimum SSL/TLS protocol version */
|
---|
| 429 | int max_tls; /* maximum SSL/TLS protocol version */
|
---|
| 430 | int min_dtls; /* minimum DTLS protocol version */
|
---|
| 431 | int max_dtls; /* maximum DTLS protocol version */
|
---|
| 432 | uint32_t algo_strength; /* strength and export flags */
|
---|
| 433 | uint32_t algorithm2; /* Extra flags */
|
---|
| 434 | int32_t strength_bits; /* Number of bits really used */
|
---|
| 435 | uint32_t alg_bits; /* Number of bits for algorithm */
|
---|
| 436 | };
|
---|
| 437 |
|
---|
| 438 | /* Used to hold SSL/TLS functions */
|
---|
| 439 | struct ssl_method_st {
|
---|
| 440 | int version;
|
---|
| 441 | unsigned flags;
|
---|
| 442 | unsigned long mask;
|
---|
| 443 | int (*ssl_new) (SSL *s);
|
---|
| 444 | void (*ssl_clear) (SSL *s);
|
---|
| 445 | void (*ssl_free) (SSL *s);
|
---|
| 446 | int (*ssl_accept) (SSL *s);
|
---|
| 447 | int (*ssl_connect) (SSL *s);
|
---|
| 448 | int (*ssl_read) (SSL *s, void *buf, int len);
|
---|
| 449 | int (*ssl_peek) (SSL *s, void *buf, int len);
|
---|
| 450 | int (*ssl_write) (SSL *s, const void *buf, int len);
|
---|
| 451 | int (*ssl_shutdown) (SSL *s);
|
---|
| 452 | int (*ssl_renegotiate) (SSL *s);
|
---|
| 453 | int (*ssl_renegotiate_check) (SSL *s);
|
---|
| 454 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type,
|
---|
| 455 | unsigned char *buf, int len, int peek);
|
---|
| 456 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len);
|
---|
| 457 | int (*ssl_dispatch_alert) (SSL *s);
|
---|
| 458 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg);
|
---|
| 459 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg);
|
---|
| 460 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr);
|
---|
| 461 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, unsigned char *ptr);
|
---|
| 462 | int (*ssl_pending) (const SSL *s);
|
---|
| 463 | int (*num_ciphers) (void);
|
---|
| 464 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher);
|
---|
| 465 | long (*get_timeout) (void);
|
---|
| 466 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */
|
---|
| 467 | int (*ssl_version) (void);
|
---|
| 468 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void));
|
---|
| 469 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void));
|
---|
| 470 | };
|
---|
| 471 |
|
---|
| 472 | /*-
|
---|
| 473 | * Lets make this into an ASN.1 type structure as follows
|
---|
| 474 | * SSL_SESSION_ID ::= SEQUENCE {
|
---|
| 475 | * version INTEGER, -- structure version number
|
---|
| 476 | * SSLversion INTEGER, -- SSL version number
|
---|
| 477 | * Cipher OCTET STRING, -- the 3 byte cipher ID
|
---|
| 478 | * Session_ID OCTET STRING, -- the Session ID
|
---|
| 479 | * Master_key OCTET STRING, -- the master key
|
---|
| 480 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument
|
---|
| 481 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time
|
---|
| 482 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds
|
---|
| 483 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate
|
---|
| 484 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context
|
---|
| 485 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer'
|
---|
| 486 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension
|
---|
| 487 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
|
---|
| 488 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity
|
---|
| 489 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
|
---|
| 490 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only)
|
---|
| 491 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method
|
---|
| 492 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
|
---|
| 493 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags
|
---|
| 494 | * }
|
---|
| 495 | * Look in ssl/ssl_asn1.c for more details
|
---|
| 496 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
|
---|
| 497 | */
|
---|
| 498 | struct ssl_session_st {
|
---|
| 499 | int ssl_version; /* what ssl version session info is being kept
|
---|
| 500 | * in here? */
|
---|
| 501 | int master_key_length;
|
---|
| 502 | unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
|
---|
| 503 | /* session_id - valid? */
|
---|
| 504 | unsigned int session_id_length;
|
---|
| 505 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
|
---|
| 506 | /*
|
---|
| 507 | * this is used to determine whether the session is being reused in the
|
---|
| 508 | * appropriate context. It is up to the application to set this, via
|
---|
| 509 | * SSL_new
|
---|
| 510 | */
|
---|
| 511 | unsigned int sid_ctx_length;
|
---|
| 512 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
|
---|
| 513 | # ifndef OPENSSL_NO_PSK
|
---|
| 514 | char *psk_identity_hint;
|
---|
| 515 | char *psk_identity;
|
---|
| 516 | # endif
|
---|
| 517 | /*
|
---|
| 518 | * Used to indicate that session resumption is not allowed. Applications
|
---|
| 519 | * can also set this bit for a new session via not_resumable_session_cb
|
---|
| 520 | * to disable session caching and tickets.
|
---|
| 521 | */
|
---|
| 522 | int not_resumable;
|
---|
| 523 | /* This is the cert and type for the other end. */
|
---|
| 524 | X509 *peer;
|
---|
| 525 | int peer_type;
|
---|
| 526 | /* Certificate chain peer sent */
|
---|
| 527 | STACK_OF(X509) *peer_chain;
|
---|
| 528 | /*
|
---|
| 529 | * when app_verify_callback accepts a session where the peer's
|
---|
| 530 | * certificate is not ok, we must remember the error for session reuse:
|
---|
| 531 | */
|
---|
| 532 | long verify_result; /* only for servers */
|
---|
| 533 | int references;
|
---|
| 534 | long timeout;
|
---|
| 535 | long time;
|
---|
| 536 | unsigned int compress_meth; /* Need to lookup the method */
|
---|
| 537 | const SSL_CIPHER *cipher;
|
---|
| 538 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to
|
---|
| 539 | * load the 'cipher' structure */
|
---|
| 540 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */
|
---|
| 541 | CRYPTO_EX_DATA ex_data; /* application specific data */
|
---|
| 542 | /*
|
---|
| 543 | * These are used to make removal of session-ids more efficient and to
|
---|
| 544 | * implement a maximum cache size.
|
---|
| 545 | */
|
---|
| 546 | struct ssl_session_st *prev, *next;
|
---|
| 547 | char *tlsext_hostname;
|
---|
| 548 | # ifndef OPENSSL_NO_EC
|
---|
| 549 | size_t tlsext_ecpointformatlist_length;
|
---|
| 550 | unsigned char *tlsext_ecpointformatlist; /* peer's list */
|
---|
| 551 | size_t tlsext_ellipticcurvelist_length;
|
---|
| 552 | unsigned char *tlsext_ellipticcurvelist; /* peer's list */
|
---|
| 553 | # endif /* OPENSSL_NO_EC */
|
---|
| 554 | /* RFC4507 info */
|
---|
| 555 | unsigned char *tlsext_tick; /* Session ticket */
|
---|
| 556 | size_t tlsext_ticklen; /* Session ticket length */
|
---|
| 557 | unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in
|
---|
| 558 | * seconds */
|
---|
| 559 | # ifndef OPENSSL_NO_SRP
|
---|
| 560 | char *srp_username;
|
---|
| 561 | # endif
|
---|
| 562 | uint32_t flags;
|
---|
| 563 | CRYPTO_RWLOCK *lock;
|
---|
| 564 | };
|
---|
| 565 |
|
---|
| 566 | /* Extended master secret support */
|
---|
| 567 | # define SSL_SESS_FLAG_EXTMS 0x1
|
---|
| 568 |
|
---|
| 569 | # ifndef OPENSSL_NO_SRP
|
---|
| 570 |
|
---|
| 571 | typedef struct srp_ctx_st {
|
---|
| 572 | /* param for all the callbacks */
|
---|
| 573 | void *SRP_cb_arg;
|
---|
| 574 | /* set client Hello login callback */
|
---|
| 575 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *);
|
---|
| 576 | /* set SRP N/g param callback for verification */
|
---|
| 577 | int (*SRP_verify_param_callback) (SSL *, void *);
|
---|
| 578 | /* set SRP client passwd callback */
|
---|
| 579 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *);
|
---|
| 580 | char *login;
|
---|
| 581 | BIGNUM *N, *g, *s, *B, *A;
|
---|
| 582 | BIGNUM *a, *b, *v;
|
---|
| 583 | char *info;
|
---|
| 584 | int strength;
|
---|
| 585 | unsigned long srp_Mask;
|
---|
| 586 | } SRP_CTX;
|
---|
| 587 |
|
---|
| 588 | # endif
|
---|
| 589 |
|
---|
| 590 | struct ssl_comp_st {
|
---|
| 591 | int id;
|
---|
| 592 | const char *name;
|
---|
| 593 | COMP_METHOD *method;
|
---|
| 594 | };
|
---|
| 595 |
|
---|
| 596 | DEFINE_LHASH_OF(SSL_SESSION);
|
---|
| 597 | /* Needed in ssl_cert.c */
|
---|
| 598 | DEFINE_LHASH_OF(X509_NAME);
|
---|
| 599 |
|
---|
| 600 | # define TLSEXT_KEYNAME_LENGTH 16
|
---|
| 601 |
|
---|
| 602 | struct ssl_ctx_st {
|
---|
| 603 | const SSL_METHOD *method;
|
---|
| 604 | STACK_OF(SSL_CIPHER) *cipher_list;
|
---|
| 605 | /* same as above but sorted for lookup */
|
---|
| 606 | STACK_OF(SSL_CIPHER) *cipher_list_by_id;
|
---|
| 607 | struct x509_store_st /* X509_STORE */ *cert_store;
|
---|
| 608 | LHASH_OF(SSL_SESSION) *sessions;
|
---|
| 609 | /*
|
---|
| 610 | * Most session-ids that will be cached, default is
|
---|
| 611 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited.
|
---|
| 612 | */
|
---|
| 613 | unsigned long session_cache_size;
|
---|
| 614 | struct ssl_session_st *session_cache_head;
|
---|
| 615 | struct ssl_session_st *session_cache_tail;
|
---|
| 616 | /*
|
---|
| 617 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT,
|
---|
| 618 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which
|
---|
| 619 | * means only SSL_accept which cache SSL_SESSIONS.
|
---|
| 620 | */
|
---|
| 621 | uint32_t session_cache_mode;
|
---|
| 622 | /*
|
---|
| 623 | * If timeout is not 0, it is the default timeout value set when
|
---|
| 624 | * SSL_new() is called. This has been put in to make life easier to set
|
---|
| 625 | * things up
|
---|
| 626 | */
|
---|
| 627 | long session_timeout;
|
---|
| 628 | /*
|
---|
| 629 | * If this callback is not null, it will be called each time a session id
|
---|
| 630 | * is added to the cache. If this function returns 1, it means that the
|
---|
| 631 | * callback will do a SSL_SESSION_free() when it has finished using it.
|
---|
| 632 | * Otherwise, on 0, it means the callback has finished with it. If
|
---|
| 633 | * remove_session_cb is not null, it will be called when a session-id is
|
---|
| 634 | * removed from the cache. After the call, OpenSSL will
|
---|
| 635 | * SSL_SESSION_free() it.
|
---|
| 636 | */
|
---|
| 637 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess);
|
---|
| 638 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess);
|
---|
| 639 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl,
|
---|
| 640 | const unsigned char *data, int len,
|
---|
| 641 | int *copy);
|
---|
| 642 | struct {
|
---|
| 643 | int sess_connect; /* SSL new conn - started */
|
---|
| 644 | int sess_connect_renegotiate; /* SSL reneg - requested */
|
---|
| 645 | int sess_connect_good; /* SSL new conne/reneg - finished */
|
---|
| 646 | int sess_accept; /* SSL new accept - started */
|
---|
| 647 | int sess_accept_renegotiate; /* SSL reneg - requested */
|
---|
| 648 | int sess_accept_good; /* SSL accept/reneg - finished */
|
---|
| 649 | int sess_miss; /* session lookup misses */
|
---|
| 650 | int sess_timeout; /* reuse attempt on timeouted session */
|
---|
| 651 | int sess_cache_full; /* session removed due to full cache */
|
---|
| 652 | int sess_hit; /* session reuse actually done */
|
---|
| 653 | int sess_cb_hit; /* session-id that was not in the cache was
|
---|
| 654 | * passed back via the callback. This
|
---|
| 655 | * indicates that the application is supplying
|
---|
| 656 | * session-id's from other processes - spooky
|
---|
| 657 | * :-) */
|
---|
| 658 | } stats;
|
---|
| 659 |
|
---|
| 660 | int references;
|
---|
| 661 |
|
---|
| 662 | /* if defined, these override the X509_verify_cert() calls */
|
---|
| 663 | int (*app_verify_callback) (X509_STORE_CTX *, void *);
|
---|
| 664 | void *app_verify_arg;
|
---|
| 665 | /*
|
---|
| 666 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored
|
---|
| 667 | * ('app_verify_callback' was called with just one argument)
|
---|
| 668 | */
|
---|
| 669 |
|
---|
| 670 | /* Default password callback. */
|
---|
| 671 | pem_password_cb *default_passwd_callback;
|
---|
| 672 |
|
---|
| 673 | /* Default password callback user data. */
|
---|
| 674 | void *default_passwd_callback_userdata;
|
---|
| 675 |
|
---|
| 676 | /* get client cert callback */
|
---|
| 677 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey);
|
---|
| 678 |
|
---|
| 679 | /* cookie generate callback */
|
---|
| 680 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie,
|
---|
| 681 | unsigned int *cookie_len);
|
---|
| 682 |
|
---|
| 683 | /* verify cookie callback */
|
---|
| 684 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie,
|
---|
| 685 | unsigned int cookie_len);
|
---|
| 686 |
|
---|
| 687 | CRYPTO_EX_DATA ex_data;
|
---|
| 688 |
|
---|
| 689 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */
|
---|
| 690 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */
|
---|
| 691 |
|
---|
| 692 | STACK_OF(X509) *extra_certs;
|
---|
| 693 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */
|
---|
| 694 |
|
---|
| 695 | /* Default values used when no per-SSL value is defined follow */
|
---|
| 696 |
|
---|
| 697 | /* used if SSL's info_callback is NULL */
|
---|
| 698 | void (*info_callback) (const SSL *ssl, int type, int val);
|
---|
| 699 |
|
---|
| 700 | /* what we put in client cert requests */
|
---|
| 701 | STACK_OF(X509_NAME) *client_CA;
|
---|
| 702 |
|
---|
| 703 | /*
|
---|
| 704 | * Default values to use in SSL structures follow (these are copied by
|
---|
| 705 | * SSL_new)
|
---|
| 706 | */
|
---|
| 707 |
|
---|
| 708 | uint32_t options;
|
---|
| 709 | uint32_t mode;
|
---|
| 710 | int min_proto_version;
|
---|
| 711 | int max_proto_version;
|
---|
| 712 | long max_cert_list;
|
---|
| 713 |
|
---|
| 714 | struct cert_st /* CERT */ *cert;
|
---|
| 715 | int read_ahead;
|
---|
| 716 |
|
---|
| 717 | /* callback that allows applications to peek at protocol messages */
|
---|
| 718 | void (*msg_callback) (int write_p, int version, int content_type,
|
---|
| 719 | const void *buf, size_t len, SSL *ssl, void *arg);
|
---|
| 720 | void *msg_callback_arg;
|
---|
| 721 |
|
---|
| 722 | uint32_t verify_mode;
|
---|
| 723 | unsigned int sid_ctx_length;
|
---|
| 724 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
|
---|
| 725 | /* called 'verify_callback' in the SSL */
|
---|
| 726 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx);
|
---|
| 727 |
|
---|
| 728 | /* Default generate session ID callback. */
|
---|
| 729 | GEN_SESSION_CB generate_session_id;
|
---|
| 730 |
|
---|
| 731 | X509_VERIFY_PARAM *param;
|
---|
| 732 |
|
---|
| 733 | int quiet_shutdown;
|
---|
| 734 |
|
---|
| 735 | # ifndef OPENSSL_NO_CT
|
---|
| 736 | CTLOG_STORE *ctlog_store; /* CT Log Store */
|
---|
| 737 | /*
|
---|
| 738 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient.
|
---|
| 739 | * If they are not, the connection should be aborted.
|
---|
| 740 | */
|
---|
| 741 | ssl_ct_validation_cb ct_validation_callback;
|
---|
| 742 | void *ct_validation_callback_arg;
|
---|
| 743 | # endif
|
---|
| 744 |
|
---|
| 745 | /*
|
---|
| 746 | * If we're using more than one pipeline how should we divide the data
|
---|
| 747 | * up between the pipes?
|
---|
| 748 | */
|
---|
| 749 | unsigned int split_send_fragment;
|
---|
| 750 | /*
|
---|
| 751 | * Maximum amount of data to send in one fragment. actual record size can
|
---|
| 752 | * be more than this due to padding and MAC overheads.
|
---|
| 753 | */
|
---|
| 754 | unsigned int max_send_fragment;
|
---|
| 755 |
|
---|
| 756 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */
|
---|
| 757 | unsigned int max_pipelines;
|
---|
| 758 |
|
---|
| 759 | /* The default read buffer length to use (0 means not set) */
|
---|
| 760 | size_t default_read_buf_len;
|
---|
| 761 |
|
---|
| 762 | # ifndef OPENSSL_NO_ENGINE
|
---|
| 763 | /*
|
---|
| 764 | * Engine to pass requests for client certs to
|
---|
| 765 | */
|
---|
| 766 | ENGINE *client_cert_engine;
|
---|
| 767 | # endif
|
---|
| 768 |
|
---|
| 769 | /* TLS extensions servername callback */
|
---|
| 770 | int (*tlsext_servername_callback) (SSL *, int *, void *);
|
---|
| 771 | void *tlsext_servername_arg;
|
---|
| 772 | /* RFC 4507 session ticket keys */
|
---|
| 773 | unsigned char tlsext_tick_key_name[TLSEXT_KEYNAME_LENGTH];
|
---|
| 774 | unsigned char tlsext_tick_hmac_key[32];
|
---|
| 775 | unsigned char tlsext_tick_aes_key[32];
|
---|
| 776 | /* Callback to support customisation of ticket key setting */
|
---|
| 777 | int (*tlsext_ticket_key_cb) (SSL *ssl,
|
---|
| 778 | unsigned char *name, unsigned char *iv,
|
---|
| 779 | EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc);
|
---|
| 780 |
|
---|
| 781 | /* certificate status request info */
|
---|
| 782 | /* Callback for status request */
|
---|
| 783 | int (*tlsext_status_cb) (SSL *ssl, void *arg);
|
---|
| 784 | void *tlsext_status_arg;
|
---|
| 785 |
|
---|
| 786 | # ifndef OPENSSL_NO_PSK
|
---|
| 787 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint,
|
---|
| 788 | char *identity,
|
---|
| 789 | unsigned int max_identity_len,
|
---|
| 790 | unsigned char *psk,
|
---|
| 791 | unsigned int max_psk_len);
|
---|
| 792 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity,
|
---|
| 793 | unsigned char *psk,
|
---|
| 794 | unsigned int max_psk_len);
|
---|
| 795 | # endif
|
---|
| 796 |
|
---|
| 797 | # ifndef OPENSSL_NO_SRP
|
---|
| 798 | SRP_CTX srp_ctx; /* ctx for SRP authentication */
|
---|
| 799 | # endif
|
---|
| 800 |
|
---|
| 801 | # ifndef OPENSSL_NO_NEXTPROTONEG
|
---|
| 802 | /* Next protocol negotiation information */
|
---|
| 803 |
|
---|
| 804 | /*
|
---|
| 805 | * For a server, this contains a callback function by which the set of
|
---|
| 806 | * advertised protocols can be provided.
|
---|
| 807 | */
|
---|
| 808 | int (*next_protos_advertised_cb) (SSL *s, const unsigned char **buf,
|
---|
| 809 | unsigned int *len, void *arg);
|
---|
| 810 | void *next_protos_advertised_cb_arg;
|
---|
| 811 | /*
|
---|
| 812 | * For a client, this contains a callback function that selects the next
|
---|
| 813 | * protocol from the list provided by the server.
|
---|
| 814 | */
|
---|
| 815 | int (*next_proto_select_cb) (SSL *s, unsigned char **out,
|
---|
| 816 | unsigned char *outlen,
|
---|
| 817 | const unsigned char *in,
|
---|
| 818 | unsigned int inlen, void *arg);
|
---|
| 819 | void *next_proto_select_cb_arg;
|
---|
| 820 | # endif
|
---|
| 821 |
|
---|
| 822 | /*
|
---|
| 823 | * ALPN information (we are in the process of transitioning from NPN to
|
---|
| 824 | * ALPN.)
|
---|
| 825 | */
|
---|
| 826 |
|
---|
| 827 | /*-
|
---|
| 828 | * For a server, this contains a callback function that allows the
|
---|
| 829 | * server to select the protocol for the connection.
|
---|
| 830 | * out: on successful return, this must point to the raw protocol
|
---|
| 831 | * name (without the length prefix).
|
---|
| 832 | * outlen: on successful return, this contains the length of |*out|.
|
---|
| 833 | * in: points to the client's list of supported protocols in
|
---|
| 834 | * wire-format.
|
---|
| 835 | * inlen: the length of |in|.
|
---|
| 836 | */
|
---|
| 837 | int (*alpn_select_cb) (SSL *s,
|
---|
| 838 | const unsigned char **out,
|
---|
| 839 | unsigned char *outlen,
|
---|
| 840 | const unsigned char *in,
|
---|
| 841 | unsigned int inlen, void *arg);
|
---|
| 842 | void *alpn_select_cb_arg;
|
---|
| 843 |
|
---|
| 844 | /*
|
---|
| 845 | * For a client, this contains the list of supported protocols in wire
|
---|
| 846 | * format.
|
---|
| 847 | */
|
---|
| 848 | unsigned char *alpn_client_proto_list;
|
---|
| 849 | unsigned alpn_client_proto_list_len;
|
---|
| 850 |
|
---|
| 851 | /* Shared DANE context */
|
---|
| 852 | struct dane_ctx_st dane;
|
---|
| 853 |
|
---|
| 854 | /* SRTP profiles we are willing to do from RFC 5764 */
|
---|
| 855 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
|
---|
| 856 | /*
|
---|
| 857 | * Callback for disabling session caching and ticket support on a session
|
---|
| 858 | * basis, depending on the chosen cipher.
|
---|
| 859 | */
|
---|
| 860 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure);
|
---|
| 861 | # ifndef OPENSSL_NO_EC
|
---|
| 862 | /* EC extension values inherited by SSL structure */
|
---|
| 863 | size_t tlsext_ecpointformatlist_length;
|
---|
| 864 | unsigned char *tlsext_ecpointformatlist;
|
---|
| 865 | size_t tlsext_ellipticcurvelist_length;
|
---|
| 866 | unsigned char *tlsext_ellipticcurvelist;
|
---|
| 867 | # endif /* OPENSSL_NO_EC */
|
---|
| 868 |
|
---|
| 869 | /* ext status type used for CSR extension (OCSP Stapling) */
|
---|
| 870 | int tlsext_status_type;
|
---|
| 871 |
|
---|
| 872 | CRYPTO_RWLOCK *lock;
|
---|
| 873 | };
|
---|
| 874 |
|
---|
| 875 | struct ssl_st {
|
---|
| 876 | /*
|
---|
| 877 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION,
|
---|
| 878 | * DTLS1_VERSION)
|
---|
| 879 | */
|
---|
| 880 | int version;
|
---|
| 881 | /* SSLv3 */
|
---|
| 882 | const SSL_METHOD *method;
|
---|
| 883 | /*
|
---|
| 884 | * There are 2 BIO's even though they are normally both the same. This
|
---|
| 885 | * is so data can be read and written to different handlers
|
---|
| 886 | */
|
---|
| 887 | /* used by SSL_read */
|
---|
| 888 | BIO *rbio;
|
---|
| 889 | /* used by SSL_write */
|
---|
| 890 | BIO *wbio;
|
---|
| 891 | /* used during session-id reuse to concatenate messages */
|
---|
| 892 | BIO *bbio;
|
---|
| 893 | /*
|
---|
| 894 | * This holds a variable that indicates what we were doing when a 0 or -1
|
---|
| 895 | * is returned. This is needed for non-blocking IO so we know what
|
---|
| 896 | * request needs re-doing when in SSL_accept or SSL_connect
|
---|
| 897 | */
|
---|
| 898 | int rwstate;
|
---|
| 899 | int (*handshake_func) (SSL *);
|
---|
| 900 | /*
|
---|
| 901 | * Imagine that here's a boolean member "init" that is switched as soon
|
---|
| 902 | * as SSL_set_{accept/connect}_state is called for the first time, so
|
---|
| 903 | * that "state" and "handshake_func" are properly initialized. But as
|
---|
| 904 | * handshake_func is == 0 until then, we use this test instead of an
|
---|
| 905 | * "init" member.
|
---|
| 906 | */
|
---|
| 907 | /* are we the server side? */
|
---|
| 908 | int server;
|
---|
| 909 | /*
|
---|
| 910 | * Generate a new session or reuse an old one.
|
---|
| 911 | * NB: For servers, the 'new' session may actually be a previously
|
---|
| 912 | * cached session or even the previous session unless
|
---|
| 913 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set
|
---|
| 914 | */
|
---|
| 915 | int new_session;
|
---|
| 916 | /* don't send shutdown packets */
|
---|
| 917 | int quiet_shutdown;
|
---|
| 918 | /* we have shut things down, 0x01 sent, 0x02 for received */
|
---|
| 919 | int shutdown;
|
---|
| 920 | /* where we are */
|
---|
| 921 | OSSL_STATEM statem;
|
---|
| 922 | BUF_MEM *init_buf; /* buffer used during init */
|
---|
| 923 | void *init_msg; /* pointer to handshake message body, set by
|
---|
| 924 | * ssl3_get_message() */
|
---|
| 925 | int init_num; /* amount read/written */
|
---|
| 926 | int init_off; /* amount read/written */
|
---|
| 927 | struct ssl3_state_st *s3; /* SSLv3 variables */
|
---|
| 928 | struct dtls1_state_st *d1; /* DTLSv1 variables */
|
---|
| 929 | /* callback that allows applications to peek at protocol messages */
|
---|
| 930 | void (*msg_callback) (int write_p, int version, int content_type,
|
---|
| 931 | const void *buf, size_t len, SSL *ssl, void *arg);
|
---|
| 932 | void *msg_callback_arg;
|
---|
| 933 | int hit; /* reusing a previous session */
|
---|
| 934 | X509_VERIFY_PARAM *param;
|
---|
| 935 | /* Per connection DANE state */
|
---|
| 936 | SSL_DANE dane;
|
---|
| 937 | /* crypto */
|
---|
| 938 | STACK_OF(SSL_CIPHER) *cipher_list;
|
---|
| 939 | STACK_OF(SSL_CIPHER) *cipher_list_by_id;
|
---|
| 940 | /*
|
---|
| 941 | * These are the ones being used, the ones in SSL_SESSION are the ones to
|
---|
| 942 | * be 'copied' into these ones
|
---|
| 943 | */
|
---|
| 944 | uint32_t mac_flags;
|
---|
| 945 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */
|
---|
| 946 | EVP_MD_CTX *read_hash; /* used for mac generation */
|
---|
| 947 | COMP_CTX *compress; /* compression */
|
---|
| 948 | COMP_CTX *expand; /* uncompress */
|
---|
| 949 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
|
---|
| 950 | EVP_MD_CTX *write_hash; /* used for mac generation */
|
---|
| 951 | /* session info */
|
---|
| 952 | /* client cert? */
|
---|
| 953 | /* This is used to hold the server certificate used */
|
---|
| 954 | struct cert_st /* CERT */ *cert;
|
---|
| 955 | /*
|
---|
| 956 | * the session_id_context is used to ensure sessions are only reused in
|
---|
| 957 | * the appropriate context
|
---|
| 958 | */
|
---|
| 959 | unsigned int sid_ctx_length;
|
---|
| 960 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
|
---|
| 961 | /* This can also be in the session once a session is established */
|
---|
| 962 | SSL_SESSION *session;
|
---|
| 963 | /* Default generate session ID callback. */
|
---|
| 964 | GEN_SESSION_CB generate_session_id;
|
---|
| 965 | /* Used in SSL3 */
|
---|
| 966 | /*
|
---|
| 967 | * 0 don't care about verify failure.
|
---|
| 968 | * 1 fail if verify fails
|
---|
| 969 | */
|
---|
| 970 | uint32_t verify_mode;
|
---|
| 971 | /* fail if callback returns 0 */
|
---|
| 972 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx);
|
---|
| 973 | /* optional informational callback */
|
---|
| 974 | void (*info_callback) (const SSL *ssl, int type, int val);
|
---|
| 975 | /* error bytes to be written */
|
---|
| 976 | int error;
|
---|
| 977 | /* actual code */
|
---|
| 978 | int error_code;
|
---|
| 979 | # ifndef OPENSSL_NO_PSK
|
---|
| 980 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint,
|
---|
| 981 | char *identity,
|
---|
| 982 | unsigned int max_identity_len,
|
---|
| 983 | unsigned char *psk,
|
---|
| 984 | unsigned int max_psk_len);
|
---|
| 985 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity,
|
---|
| 986 | unsigned char *psk,
|
---|
| 987 | unsigned int max_psk_len);
|
---|
| 988 | # endif
|
---|
| 989 | SSL_CTX *ctx;
|
---|
| 990 | /* Verified chain of peer */
|
---|
| 991 | STACK_OF(X509) *verified_chain;
|
---|
| 992 | long verify_result;
|
---|
| 993 | /* extra application data */
|
---|
| 994 | CRYPTO_EX_DATA ex_data;
|
---|
| 995 | /* for server side, keep the list of CA_dn we can use */
|
---|
| 996 | STACK_OF(X509_NAME) *client_CA;
|
---|
| 997 | int references;
|
---|
| 998 | /* protocol behaviour */
|
---|
| 999 | uint32_t options;
|
---|
| 1000 | /* API behaviour */
|
---|
| 1001 | uint32_t mode;
|
---|
| 1002 | int min_proto_version;
|
---|
| 1003 | int max_proto_version;
|
---|
| 1004 | long max_cert_list;
|
---|
| 1005 | int first_packet;
|
---|
| 1006 | /* what was passed, used for SSLv3/TLS rollback check */
|
---|
| 1007 | int client_version;
|
---|
| 1008 | /*
|
---|
| 1009 | * If we're using more than one pipeline how should we divide the data
|
---|
| 1010 | * up between the pipes?
|
---|
| 1011 | */
|
---|
| 1012 | unsigned int split_send_fragment;
|
---|
| 1013 | /*
|
---|
| 1014 | * Maximum amount of data to send in one fragment. actual record size can
|
---|
| 1015 | * be more than this due to padding and MAC overheads.
|
---|
| 1016 | */
|
---|
| 1017 | unsigned int max_send_fragment;
|
---|
| 1018 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */
|
---|
| 1019 | unsigned int max_pipelines;
|
---|
| 1020 | /* TLS extension debug callback */
|
---|
| 1021 | void (*tlsext_debug_cb) (SSL *s, int client_server, int type,
|
---|
| 1022 | const unsigned char *data, int len, void *arg);
|
---|
| 1023 | void *tlsext_debug_arg;
|
---|
| 1024 | char *tlsext_hostname;
|
---|
| 1025 | /*-
|
---|
| 1026 | * no further mod of servername
|
---|
| 1027 | * 0 : call the servername extension callback.
|
---|
| 1028 | * 1 : prepare 2, allow last ack just after in server callback.
|
---|
| 1029 | * 2 : don't call servername callback, no ack in server hello
|
---|
| 1030 | */
|
---|
| 1031 | int servername_done;
|
---|
| 1032 | /* certificate status request info */
|
---|
| 1033 | /* Status type or -1 if no status type */
|
---|
| 1034 | int tlsext_status_type;
|
---|
| 1035 | # ifndef OPENSSL_NO_CT
|
---|
| 1036 | /*
|
---|
| 1037 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient.
|
---|
| 1038 | * If they are not, the connection should be aborted.
|
---|
| 1039 | */
|
---|
| 1040 | ssl_ct_validation_cb ct_validation_callback;
|
---|
| 1041 | /* User-supplied argument tha tis passed to the ct_validation_callback */
|
---|
| 1042 | void *ct_validation_callback_arg;
|
---|
| 1043 | /*
|
---|
| 1044 | * Consolidated stack of SCTs from all sources.
|
---|
| 1045 | * Lazily populated by CT_get_peer_scts(SSL*)
|
---|
| 1046 | */
|
---|
| 1047 | STACK_OF(SCT) *scts;
|
---|
| 1048 | /* Raw extension data, if seen */
|
---|
| 1049 | unsigned char *tlsext_scts;
|
---|
| 1050 | /* Length of raw extension data, if seen */
|
---|
| 1051 | uint16_t tlsext_scts_len;
|
---|
| 1052 | /* Have we attempted to find/parse SCTs yet? */
|
---|
| 1053 | int scts_parsed;
|
---|
| 1054 | # endif
|
---|
| 1055 | /* Expect OCSP CertificateStatus message */
|
---|
| 1056 | int tlsext_status_expected;
|
---|
| 1057 | /* OCSP status request only */
|
---|
| 1058 | STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids;
|
---|
| 1059 | X509_EXTENSIONS *tlsext_ocsp_exts;
|
---|
| 1060 | /* OCSP response received or to be sent */
|
---|
| 1061 | unsigned char *tlsext_ocsp_resp;
|
---|
| 1062 | int tlsext_ocsp_resplen;
|
---|
| 1063 | /* RFC4507 session ticket expected to be received or sent */
|
---|
| 1064 | int tlsext_ticket_expected;
|
---|
| 1065 | # ifndef OPENSSL_NO_EC
|
---|
| 1066 | size_t tlsext_ecpointformatlist_length;
|
---|
| 1067 | /* our list */
|
---|
| 1068 | unsigned char *tlsext_ecpointformatlist;
|
---|
| 1069 | size_t tlsext_ellipticcurvelist_length;
|
---|
| 1070 | /* our list */
|
---|
| 1071 | unsigned char *tlsext_ellipticcurvelist;
|
---|
| 1072 | # endif /* OPENSSL_NO_EC */
|
---|
| 1073 | /* TLS Session Ticket extension override */
|
---|
| 1074 | TLS_SESSION_TICKET_EXT *tlsext_session_ticket;
|
---|
| 1075 | /* TLS Session Ticket extension callback */
|
---|
| 1076 | tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb;
|
---|
| 1077 | void *tls_session_ticket_ext_cb_arg;
|
---|
| 1078 | /* TLS pre-shared secret session resumption */
|
---|
| 1079 | tls_session_secret_cb_fn tls_session_secret_cb;
|
---|
| 1080 | void *tls_session_secret_cb_arg;
|
---|
| 1081 | SSL_CTX *session_ctx; /* initial ctx, used to store sessions */
|
---|
| 1082 | # ifndef OPENSSL_NO_NEXTPROTONEG
|
---|
| 1083 | /*
|
---|
| 1084 | * Next protocol negotiation. For the client, this is the protocol that
|
---|
| 1085 | * we sent in NextProtocol and is set when handling ServerHello
|
---|
| 1086 | * extensions. For a server, this is the client's selected_protocol from
|
---|
| 1087 | * NextProtocol and is set when handling the NextProtocol message, before
|
---|
| 1088 | * the Finished message.
|
---|
| 1089 | */
|
---|
| 1090 | unsigned char *next_proto_negotiated;
|
---|
| 1091 | unsigned char next_proto_negotiated_len;
|
---|
| 1092 | # endif
|
---|
| 1093 | /* What we'll do */
|
---|
| 1094 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
|
---|
| 1095 | /* What's been chosen */
|
---|
| 1096 | SRTP_PROTECTION_PROFILE *srtp_profile;
|
---|
| 1097 | /*-
|
---|
| 1098 | * Is use of the Heartbeat extension negotiated?
|
---|
| 1099 | * 0: disabled
|
---|
| 1100 | * 1: enabled
|
---|
| 1101 | * 2: enabled, but not allowed to send Requests
|
---|
| 1102 | */
|
---|
| 1103 | unsigned int tlsext_heartbeat;
|
---|
| 1104 | /* Indicates if a HeartbeatRequest is in flight */
|
---|
| 1105 | unsigned int tlsext_hb_pending;
|
---|
| 1106 | /* HeartbeatRequest sequence number */
|
---|
| 1107 | unsigned int tlsext_hb_seq;
|
---|
| 1108 | /*
|
---|
| 1109 | * For a client, this contains the list of supported protocols in wire
|
---|
| 1110 | * format.
|
---|
| 1111 | */
|
---|
| 1112 | unsigned char *alpn_client_proto_list;
|
---|
| 1113 | unsigned alpn_client_proto_list_len;
|
---|
| 1114 |
|
---|
| 1115 | /* Set to one if we have negotiated ETM */
|
---|
| 1116 | int tlsext_use_etm;
|
---|
| 1117 |
|
---|
| 1118 | /*-
|
---|
| 1119 | * 1 if we are renegotiating.
|
---|
| 1120 | * 2 if we are a server and are inside a handshake
|
---|
| 1121 | * (i.e. not just sending a HelloRequest)
|
---|
| 1122 | */
|
---|
| 1123 | int renegotiate;
|
---|
| 1124 | # ifndef OPENSSL_NO_SRP
|
---|
| 1125 | /* ctx for SRP authentication */
|
---|
| 1126 | SRP_CTX srp_ctx;
|
---|
| 1127 | # endif
|
---|
| 1128 | /*
|
---|
| 1129 | * Callback for disabling session caching and ticket support on a session
|
---|
| 1130 | * basis, depending on the chosen cipher.
|
---|
| 1131 | */
|
---|
| 1132 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure);
|
---|
| 1133 | RECORD_LAYER rlayer;
|
---|
| 1134 | /* Default password callback. */
|
---|
| 1135 | pem_password_cb *default_passwd_callback;
|
---|
| 1136 | /* Default password callback user data. */
|
---|
| 1137 | void *default_passwd_callback_userdata;
|
---|
| 1138 | /* Async Job info */
|
---|
| 1139 | ASYNC_JOB *job;
|
---|
| 1140 | ASYNC_WAIT_CTX *waitctx;
|
---|
| 1141 | CRYPTO_RWLOCK *lock;
|
---|
| 1142 | };
|
---|
| 1143 |
|
---|
| 1144 | typedef struct ssl3_state_st {
|
---|
| 1145 | long flags;
|
---|
| 1146 | int read_mac_secret_size;
|
---|
| 1147 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
|
---|
| 1148 | int write_mac_secret_size;
|
---|
| 1149 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
|
---|
| 1150 | unsigned char server_random[SSL3_RANDOM_SIZE];
|
---|
| 1151 | unsigned char client_random[SSL3_RANDOM_SIZE];
|
---|
| 1152 | /* flags for countermeasure against known-IV weakness */
|
---|
| 1153 | int need_empty_fragments;
|
---|
| 1154 | int empty_fragment_done;
|
---|
| 1155 | /* used during startup, digest all incoming/outgoing packets */
|
---|
| 1156 | BIO *handshake_buffer;
|
---|
| 1157 | /*
|
---|
| 1158 | * When handshake digest is determined, buffer is hashed and
|
---|
| 1159 | * freed and MD_CTX for the required digest is stored here.
|
---|
| 1160 | */
|
---|
| 1161 | EVP_MD_CTX *handshake_dgst;
|
---|
| 1162 | /*
|
---|
| 1163 | * Set whenever an expected ChangeCipherSpec message is processed.
|
---|
| 1164 | * Unset when the peer's Finished message is received.
|
---|
| 1165 | * Unexpected ChangeCipherSpec messages trigger a fatal alert.
|
---|
| 1166 | */
|
---|
| 1167 | int change_cipher_spec;
|
---|
| 1168 | int warn_alert;
|
---|
| 1169 | int fatal_alert;
|
---|
| 1170 | /*
|
---|
| 1171 | * we allow one fatal and one warning alert to be outstanding, send close
|
---|
| 1172 | * alert via the warning alert
|
---|
| 1173 | */
|
---|
| 1174 | int alert_dispatch;
|
---|
| 1175 | unsigned char send_alert[2];
|
---|
| 1176 | /*
|
---|
| 1177 | * This flag is set when we should renegotiate ASAP, basically when there
|
---|
| 1178 | * is no more data in the read or write buffers
|
---|
| 1179 | */
|
---|
| 1180 | int renegotiate;
|
---|
| 1181 | int total_renegotiations;
|
---|
| 1182 | int num_renegotiations;
|
---|
| 1183 | int in_read_app_data;
|
---|
| 1184 | struct {
|
---|
| 1185 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
|
---|
| 1186 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2];
|
---|
| 1187 | int finish_md_len;
|
---|
| 1188 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2];
|
---|
| 1189 | int peer_finish_md_len;
|
---|
| 1190 | unsigned long message_size;
|
---|
| 1191 | int message_type;
|
---|
| 1192 | /* used to hold the new cipher we are going to use */
|
---|
| 1193 | const SSL_CIPHER *new_cipher;
|
---|
| 1194 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
|
---|
| 1195 | EVP_PKEY *pkey; /* holds short lived DH/ECDH key */
|
---|
| 1196 | # endif
|
---|
| 1197 | /* used for certificate requests */
|
---|
| 1198 | int cert_req;
|
---|
| 1199 | int ctype_num;
|
---|
| 1200 | char ctype[SSL3_CT_NUMBER];
|
---|
| 1201 | STACK_OF(X509_NAME) *ca_names;
|
---|
| 1202 | int key_block_length;
|
---|
| 1203 | unsigned char *key_block;
|
---|
| 1204 | const EVP_CIPHER *new_sym_enc;
|
---|
| 1205 | const EVP_MD *new_hash;
|
---|
| 1206 | int new_mac_pkey_type;
|
---|
| 1207 | int new_mac_secret_size;
|
---|
| 1208 | # ifndef OPENSSL_NO_COMP
|
---|
| 1209 | const SSL_COMP *new_compression;
|
---|
| 1210 | # else
|
---|
| 1211 | char *new_compression;
|
---|
| 1212 | # endif
|
---|
| 1213 | int cert_request;
|
---|
| 1214 | /* Raw values of the cipher list from a client */
|
---|
| 1215 | unsigned char *ciphers_raw;
|
---|
| 1216 | size_t ciphers_rawlen;
|
---|
| 1217 | /* Temporary storage for premaster secret */
|
---|
| 1218 | unsigned char *pms;
|
---|
| 1219 | size_t pmslen;
|
---|
| 1220 | # ifndef OPENSSL_NO_PSK
|
---|
| 1221 | /* Temporary storage for PSK key */
|
---|
| 1222 | unsigned char *psk;
|
---|
| 1223 | size_t psklen;
|
---|
| 1224 | # endif
|
---|
| 1225 | /*
|
---|
| 1226 | * signature algorithms peer reports: e.g. supported signature
|
---|
| 1227 | * algorithms extension for server or as part of a certificate
|
---|
| 1228 | * request for client.
|
---|
| 1229 | */
|
---|
| 1230 | unsigned char *peer_sigalgs;
|
---|
| 1231 | /* Size of above array */
|
---|
| 1232 | size_t peer_sigalgslen;
|
---|
| 1233 | /* Digest peer uses for signing */
|
---|
| 1234 | const EVP_MD *peer_md;
|
---|
| 1235 | /* Array of digests used for signing */
|
---|
| 1236 | const EVP_MD *md[SSL_PKEY_NUM];
|
---|
| 1237 | /*
|
---|
| 1238 | * Set if corresponding CERT_PKEY can be used with current
|
---|
| 1239 | * SSL session: e.g. appropriate curve, signature algorithms etc.
|
---|
| 1240 | * If zero it can't be used at all.
|
---|
| 1241 | */
|
---|
| 1242 | uint32_t valid_flags[SSL_PKEY_NUM];
|
---|
| 1243 | /*
|
---|
| 1244 | * For servers the following masks are for the key and auth algorithms
|
---|
| 1245 | * that are supported by the certs below. For clients they are masks of
|
---|
| 1246 | * *disabled* algorithms based on the current session.
|
---|
| 1247 | */
|
---|
| 1248 | uint32_t mask_k;
|
---|
| 1249 | uint32_t mask_a;
|
---|
| 1250 | /*
|
---|
| 1251 | * The following are used by the client to see if a cipher is allowed or
|
---|
| 1252 | * not. It contains the minimum and maximum version the client's using
|
---|
| 1253 | * based on what it knows so far.
|
---|
| 1254 | */
|
---|
| 1255 | int min_ver;
|
---|
| 1256 | int max_ver;
|
---|
| 1257 | } tmp;
|
---|
| 1258 |
|
---|
| 1259 | /* Connection binding to prevent renegotiation attacks */
|
---|
| 1260 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
|
---|
| 1261 | unsigned char previous_client_finished_len;
|
---|
| 1262 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
|
---|
| 1263 | unsigned char previous_server_finished_len;
|
---|
| 1264 | int send_connection_binding; /* TODOEKR */
|
---|
| 1265 |
|
---|
| 1266 | # ifndef OPENSSL_NO_NEXTPROTONEG
|
---|
| 1267 | /*
|
---|
| 1268 | * Set if we saw the Next Protocol Negotiation extension from our peer.
|
---|
| 1269 | */
|
---|
| 1270 | int next_proto_neg_seen;
|
---|
| 1271 | # endif
|
---|
| 1272 |
|
---|
| 1273 | /*
|
---|
| 1274 | * ALPN information (we are in the process of transitioning from NPN to
|
---|
| 1275 | * ALPN.)
|
---|
| 1276 | */
|
---|
| 1277 |
|
---|
| 1278 | /*
|
---|
| 1279 | * In a server these point to the selected ALPN protocol after the
|
---|
| 1280 | * ClientHello has been processed. In a client these contain the protocol
|
---|
| 1281 | * that the server selected once the ServerHello has been processed.
|
---|
| 1282 | */
|
---|
| 1283 | unsigned char *alpn_selected;
|
---|
| 1284 | size_t alpn_selected_len;
|
---|
| 1285 | /* used by the server to know what options were proposed */
|
---|
| 1286 | unsigned char *alpn_proposed;
|
---|
| 1287 | size_t alpn_proposed_len;
|
---|
| 1288 | /* used by the client to know if it actually sent alpn */
|
---|
| 1289 | int alpn_sent;
|
---|
| 1290 |
|
---|
| 1291 | # ifndef OPENSSL_NO_EC
|
---|
| 1292 | /*
|
---|
| 1293 | * This is set to true if we believe that this is a version of Safari
|
---|
| 1294 | * running on OS X 10.6 or newer. We wish to know this because Safari on
|
---|
| 1295 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support.
|
---|
| 1296 | */
|
---|
| 1297 | char is_probably_safari;
|
---|
| 1298 | # endif /* !OPENSSL_NO_EC */
|
---|
| 1299 |
|
---|
| 1300 | /* For clients: peer temporary key */
|
---|
| 1301 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
|
---|
| 1302 | EVP_PKEY *peer_tmp;
|
---|
| 1303 | # endif
|
---|
| 1304 |
|
---|
| 1305 | } SSL3_STATE;
|
---|
| 1306 |
|
---|
| 1307 | /* DTLS structures */
|
---|
| 1308 |
|
---|
| 1309 | # ifndef OPENSSL_NO_SCTP
|
---|
| 1310 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP"
|
---|
| 1311 | # endif
|
---|
| 1312 |
|
---|
| 1313 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */
|
---|
| 1314 | # define DTLS1_MAX_MTU_OVERHEAD 48
|
---|
| 1315 |
|
---|
| 1316 | /*
|
---|
| 1317 | * Flag used in message reuse to indicate the buffer contains the record
|
---|
| 1318 | * header as well as the the handshake message header.
|
---|
| 1319 | */
|
---|
| 1320 | # define DTLS1_SKIP_RECORD_HEADER 2
|
---|
| 1321 |
|
---|
| 1322 | struct dtls1_retransmit_state {
|
---|
| 1323 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
|
---|
| 1324 | EVP_MD_CTX *write_hash; /* used for mac generation */
|
---|
| 1325 | COMP_CTX *compress; /* compression */
|
---|
| 1326 | SSL_SESSION *session;
|
---|
| 1327 | unsigned short epoch;
|
---|
| 1328 | };
|
---|
| 1329 |
|
---|
| 1330 | struct hm_header_st {
|
---|
| 1331 | unsigned char type;
|
---|
| 1332 | unsigned long msg_len;
|
---|
| 1333 | unsigned short seq;
|
---|
| 1334 | unsigned long frag_off;
|
---|
| 1335 | unsigned long frag_len;
|
---|
| 1336 | unsigned int is_ccs;
|
---|
| 1337 | struct dtls1_retransmit_state saved_retransmit_state;
|
---|
| 1338 | };
|
---|
| 1339 |
|
---|
| 1340 | struct dtls1_timeout_st {
|
---|
| 1341 | /* Number of read timeouts so far */
|
---|
| 1342 | unsigned int read_timeouts;
|
---|
| 1343 | /* Number of write timeouts so far */
|
---|
| 1344 | unsigned int write_timeouts;
|
---|
| 1345 | /* Number of alerts received so far */
|
---|
| 1346 | unsigned int num_alerts;
|
---|
| 1347 | };
|
---|
| 1348 |
|
---|
| 1349 | typedef struct hm_fragment_st {
|
---|
| 1350 | struct hm_header_st msg_header;
|
---|
| 1351 | unsigned char *fragment;
|
---|
| 1352 | unsigned char *reassembly;
|
---|
| 1353 | } hm_fragment;
|
---|
| 1354 |
|
---|
| 1355 | typedef struct pqueue_st pqueue;
|
---|
| 1356 | typedef struct pitem_st pitem;
|
---|
| 1357 |
|
---|
| 1358 | struct pitem_st {
|
---|
| 1359 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */
|
---|
| 1360 | void *data;
|
---|
| 1361 | pitem *next;
|
---|
| 1362 | };
|
---|
| 1363 |
|
---|
| 1364 | typedef struct pitem_st *piterator;
|
---|
| 1365 |
|
---|
| 1366 | pitem *pitem_new(unsigned char *prio64be, void *data);
|
---|
| 1367 | void pitem_free(pitem *item);
|
---|
| 1368 | pqueue *pqueue_new(void);
|
---|
| 1369 | void pqueue_free(pqueue *pq);
|
---|
| 1370 | pitem *pqueue_insert(pqueue *pq, pitem *item);
|
---|
| 1371 | pitem *pqueue_peek(pqueue *pq);
|
---|
| 1372 | pitem *pqueue_pop(pqueue *pq);
|
---|
| 1373 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be);
|
---|
| 1374 | pitem *pqueue_iterator(pqueue *pq);
|
---|
| 1375 | pitem *pqueue_next(piterator *iter);
|
---|
| 1376 | int pqueue_size(pqueue *pq);
|
---|
| 1377 |
|
---|
| 1378 | typedef struct dtls1_state_st {
|
---|
| 1379 | unsigned char cookie[DTLS1_COOKIE_LENGTH];
|
---|
| 1380 | unsigned int cookie_len;
|
---|
| 1381 | unsigned int cookie_verified;
|
---|
| 1382 | /* handshake message numbers */
|
---|
| 1383 | unsigned short handshake_write_seq;
|
---|
| 1384 | unsigned short next_handshake_write_seq;
|
---|
| 1385 | unsigned short handshake_read_seq;
|
---|
| 1386 | /* Buffered handshake messages */
|
---|
| 1387 | pqueue *buffered_messages;
|
---|
| 1388 | /* Buffered (sent) handshake records */
|
---|
| 1389 | pqueue *sent_messages;
|
---|
| 1390 | unsigned int link_mtu; /* max on-the-wire DTLS packet size */
|
---|
| 1391 | unsigned int mtu; /* max DTLS packet size */
|
---|
| 1392 | struct hm_header_st w_msg_hdr;
|
---|
| 1393 | struct hm_header_st r_msg_hdr;
|
---|
| 1394 | struct dtls1_timeout_st timeout;
|
---|
| 1395 | /*
|
---|
| 1396 | * Indicates when the last handshake msg or heartbeat sent will timeout
|
---|
| 1397 | */
|
---|
| 1398 | struct timeval next_timeout;
|
---|
| 1399 | /* Timeout duration */
|
---|
| 1400 | unsigned short timeout_duration;
|
---|
| 1401 | unsigned int retransmitting;
|
---|
| 1402 | # ifndef OPENSSL_NO_SCTP
|
---|
| 1403 | int shutdown_received;
|
---|
| 1404 | # endif
|
---|
| 1405 | } DTLS1_STATE;
|
---|
| 1406 |
|
---|
| 1407 | # ifndef OPENSSL_NO_EC
|
---|
| 1408 | /*
|
---|
| 1409 | * From ECC-TLS draft, used in encoding the curve type in ECParameters
|
---|
| 1410 | */
|
---|
| 1411 | # define EXPLICIT_PRIME_CURVE_TYPE 1
|
---|
| 1412 | # define EXPLICIT_CHAR2_CURVE_TYPE 2
|
---|
| 1413 | # define NAMED_CURVE_TYPE 3
|
---|
| 1414 | # endif /* OPENSSL_NO_EC */
|
---|
| 1415 |
|
---|
| 1416 | typedef struct cert_pkey_st {
|
---|
| 1417 | X509 *x509;
|
---|
| 1418 | EVP_PKEY *privatekey;
|
---|
| 1419 | /* Chain for this certificate */
|
---|
| 1420 | STACK_OF(X509) *chain;
|
---|
| 1421 | /*-
|
---|
| 1422 | * serverinfo data for this certificate. The data is in TLS Extension
|
---|
| 1423 | * wire format, specifically it's a series of records like:
|
---|
| 1424 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension)
|
---|
| 1425 | * uint16_t length;
|
---|
| 1426 | * uint8_t data[length];
|
---|
| 1427 | */
|
---|
| 1428 | unsigned char *serverinfo;
|
---|
| 1429 | size_t serverinfo_length;
|
---|
| 1430 | } CERT_PKEY;
|
---|
| 1431 | /* Retrieve Suite B flags */
|
---|
| 1432 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS)
|
---|
| 1433 | /* Uses to check strict mode: suite B modes are always strict */
|
---|
| 1434 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \
|
---|
| 1435 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT)
|
---|
| 1436 |
|
---|
| 1437 | typedef struct {
|
---|
| 1438 | unsigned short ext_type;
|
---|
| 1439 | /*
|
---|
| 1440 | * Per-connection flags relating to this extension type: not used if
|
---|
| 1441 | * part of an SSL_CTX structure.
|
---|
| 1442 | */
|
---|
| 1443 | uint32_t ext_flags;
|
---|
| 1444 | custom_ext_add_cb add_cb;
|
---|
| 1445 | custom_ext_free_cb free_cb;
|
---|
| 1446 | void *add_arg;
|
---|
| 1447 | custom_ext_parse_cb parse_cb;
|
---|
| 1448 | void *parse_arg;
|
---|
| 1449 | } custom_ext_method;
|
---|
| 1450 |
|
---|
| 1451 | /* ext_flags values */
|
---|
| 1452 |
|
---|
| 1453 | /*
|
---|
| 1454 | * Indicates an extension has been received. Used to check for unsolicited or
|
---|
| 1455 | * duplicate extensions.
|
---|
| 1456 | */
|
---|
| 1457 | # define SSL_EXT_FLAG_RECEIVED 0x1
|
---|
| 1458 | /*
|
---|
| 1459 | * Indicates an extension has been sent: used to enable sending of
|
---|
| 1460 | * corresponding ServerHello extension.
|
---|
| 1461 | */
|
---|
| 1462 | # define SSL_EXT_FLAG_SENT 0x2
|
---|
| 1463 |
|
---|
| 1464 | typedef struct {
|
---|
| 1465 | custom_ext_method *meths;
|
---|
| 1466 | size_t meths_count;
|
---|
| 1467 | } custom_ext_methods;
|
---|
| 1468 |
|
---|
| 1469 | typedef struct cert_st {
|
---|
| 1470 | /* Current active set */
|
---|
| 1471 | /*
|
---|
| 1472 | * ALWAYS points to an element of the pkeys array
|
---|
| 1473 | * Probably it would make more sense to store
|
---|
| 1474 | * an index, not a pointer.
|
---|
| 1475 | */
|
---|
| 1476 | CERT_PKEY *key;
|
---|
| 1477 | # ifndef OPENSSL_NO_DH
|
---|
| 1478 | EVP_PKEY *dh_tmp;
|
---|
| 1479 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize);
|
---|
| 1480 | int dh_tmp_auto;
|
---|
| 1481 | # endif
|
---|
| 1482 | /* Flags related to certificates */
|
---|
| 1483 | uint32_t cert_flags;
|
---|
| 1484 | CERT_PKEY pkeys[SSL_PKEY_NUM];
|
---|
| 1485 | /*
|
---|
| 1486 | * Certificate types (received or sent) in certificate request message.
|
---|
| 1487 | * On receive this is only set if number of certificate types exceeds
|
---|
| 1488 | * SSL3_CT_NUMBER.
|
---|
| 1489 | */
|
---|
| 1490 | unsigned char *ctypes;
|
---|
| 1491 | size_t ctype_num;
|
---|
| 1492 | /*
|
---|
| 1493 | * supported signature algorithms. When set on a client this is sent in
|
---|
| 1494 | * the client hello as the supported signature algorithms extension. For
|
---|
| 1495 | * servers it represents the signature algorithms we are willing to use.
|
---|
| 1496 | */
|
---|
| 1497 | unsigned char *conf_sigalgs;
|
---|
| 1498 | /* Size of above array */
|
---|
| 1499 | size_t conf_sigalgslen;
|
---|
| 1500 | /*
|
---|
| 1501 | * Client authentication signature algorithms, if not set then uses
|
---|
| 1502 | * conf_sigalgs. On servers these will be the signature algorithms sent
|
---|
| 1503 | * to the client in a cerificate request for TLS 1.2. On a client this
|
---|
| 1504 | * represents the signature algortithms we are willing to use for client
|
---|
| 1505 | * authentication.
|
---|
| 1506 | */
|
---|
| 1507 | unsigned char *client_sigalgs;
|
---|
| 1508 | /* Size of above array */
|
---|
| 1509 | size_t client_sigalgslen;
|
---|
| 1510 | /*
|
---|
| 1511 | * Signature algorithms shared by client and server: cached because these
|
---|
| 1512 | * are used most often.
|
---|
| 1513 | */
|
---|
| 1514 | TLS_SIGALGS *shared_sigalgs;
|
---|
| 1515 | size_t shared_sigalgslen;
|
---|
| 1516 | /*
|
---|
| 1517 | * Certificate setup callback: if set is called whenever a certificate
|
---|
| 1518 | * may be required (client or server). the callback can then examine any
|
---|
| 1519 | * appropriate parameters and setup any certificates required. This
|
---|
| 1520 | * allows advanced applications to select certificates on the fly: for
|
---|
| 1521 | * example based on supported signature algorithms or curves.
|
---|
| 1522 | */
|
---|
| 1523 | int (*cert_cb) (SSL *ssl, void *arg);
|
---|
| 1524 | void *cert_cb_arg;
|
---|
| 1525 | /*
|
---|
| 1526 | * Optional X509_STORE for chain building or certificate validation If
|
---|
| 1527 | * NULL the parent SSL_CTX store is used instead.
|
---|
| 1528 | */
|
---|
| 1529 | X509_STORE *chain_store;
|
---|
| 1530 | X509_STORE *verify_store;
|
---|
| 1531 | /* Custom extension methods for server and client */
|
---|
| 1532 | custom_ext_methods cli_ext;
|
---|
| 1533 | custom_ext_methods srv_ext;
|
---|
| 1534 | /* Security callback */
|
---|
| 1535 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid,
|
---|
| 1536 | void *other, void *ex);
|
---|
| 1537 | /* Security level */
|
---|
| 1538 | int sec_level;
|
---|
| 1539 | void *sec_ex;
|
---|
| 1540 | # ifndef OPENSSL_NO_PSK
|
---|
| 1541 | /* If not NULL psk identity hint to use for servers */
|
---|
| 1542 | char *psk_identity_hint;
|
---|
| 1543 | # endif
|
---|
| 1544 | int references; /* >1 only if SSL_copy_session_id is used */
|
---|
| 1545 | CRYPTO_RWLOCK *lock;
|
---|
| 1546 | } CERT;
|
---|
| 1547 |
|
---|
| 1548 | /* Structure containing decoded values of signature algorithms extension */
|
---|
| 1549 | struct tls_sigalgs_st {
|
---|
| 1550 | /* NID of hash algorithm */
|
---|
| 1551 | int hash_nid;
|
---|
| 1552 | /* NID of signature algorithm */
|
---|
| 1553 | int sign_nid;
|
---|
| 1554 | /* Combined hash and signature NID */
|
---|
| 1555 | int signandhash_nid;
|
---|
| 1556 | /* Raw values used in extension */
|
---|
| 1557 | unsigned char rsign;
|
---|
| 1558 | unsigned char rhash;
|
---|
| 1559 | };
|
---|
| 1560 |
|
---|
| 1561 | # define FP_ICC (int (*)(const void *,const void *))
|
---|
| 1562 |
|
---|
| 1563 | /*
|
---|
| 1564 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit
|
---|
| 1565 | * of a mess of functions, but hell, think of it as an opaque structure :-)
|
---|
| 1566 | */
|
---|
| 1567 | typedef struct ssl3_enc_method {
|
---|
| 1568 | int (*enc) (SSL *, SSL3_RECORD *, unsigned int, int);
|
---|
| 1569 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int);
|
---|
| 1570 | int (*setup_key_block) (SSL *);
|
---|
| 1571 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *,
|
---|
| 1572 | int);
|
---|
| 1573 | int (*change_cipher_state) (SSL *, int);
|
---|
| 1574 | int (*final_finish_mac) (SSL *, const char *, int, unsigned char *);
|
---|
| 1575 | int finish_mac_length;
|
---|
| 1576 | const char *client_finished_label;
|
---|
| 1577 | int client_finished_label_len;
|
---|
| 1578 | const char *server_finished_label;
|
---|
| 1579 | int server_finished_label_len;
|
---|
| 1580 | int (*alert_value) (int);
|
---|
| 1581 | int (*export_keying_material) (SSL *, unsigned char *, size_t,
|
---|
| 1582 | const char *, size_t,
|
---|
| 1583 | const unsigned char *, size_t,
|
---|
| 1584 | int use_context);
|
---|
| 1585 | /* Various flags indicating protocol version requirements */
|
---|
| 1586 | uint32_t enc_flags;
|
---|
| 1587 | /* Handshake header length */
|
---|
| 1588 | unsigned int hhlen;
|
---|
| 1589 | /* Set the handshake header */
|
---|
| 1590 | int (*set_handshake_header) (SSL *s, int type, unsigned long len);
|
---|
| 1591 | /* Write out handshake message */
|
---|
| 1592 | int (*do_write) (SSL *s);
|
---|
| 1593 | } SSL3_ENC_METHOD;
|
---|
| 1594 |
|
---|
| 1595 | # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen
|
---|
| 1596 | # define ssl_handshake_start(s) \
|
---|
| 1597 | (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen)
|
---|
| 1598 | # define ssl_set_handshake_header(s, htype, len) \
|
---|
| 1599 | s->method->ssl3_enc->set_handshake_header(s, htype, len)
|
---|
| 1600 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s)
|
---|
| 1601 |
|
---|
| 1602 | /* Values for enc_flags */
|
---|
| 1603 |
|
---|
| 1604 | /* Uses explicit IV for CBC mode */
|
---|
| 1605 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1
|
---|
| 1606 | /* Uses signature algorithms extension */
|
---|
| 1607 | # define SSL_ENC_FLAG_SIGALGS 0x2
|
---|
| 1608 | /* Uses SHA256 default PRF */
|
---|
| 1609 | # define SSL_ENC_FLAG_SHA256_PRF 0x4
|
---|
| 1610 | /* Is DTLS */
|
---|
| 1611 | # define SSL_ENC_FLAG_DTLS 0x8
|
---|
| 1612 | /*
|
---|
| 1613 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
|
---|
| 1614 | * apply to others in future.
|
---|
| 1615 | */
|
---|
| 1616 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10
|
---|
| 1617 |
|
---|
| 1618 | # ifndef OPENSSL_NO_COMP
|
---|
| 1619 | /* Used for holding the relevant compression methods loaded into SSL_CTX */
|
---|
| 1620 | typedef struct ssl3_comp_st {
|
---|
| 1621 | int comp_id; /* The identifier byte for this compression
|
---|
| 1622 | * type */
|
---|
| 1623 | char *name; /* Text name used for the compression type */
|
---|
| 1624 | COMP_METHOD *method; /* The method :-) */
|
---|
| 1625 | } SSL3_COMP;
|
---|
| 1626 | # endif
|
---|
| 1627 |
|
---|
| 1628 | extern SSL3_ENC_METHOD ssl3_undef_enc_method;
|
---|
| 1629 |
|
---|
| 1630 | __owur const SSL_METHOD *ssl_bad_method(int ver);
|
---|
| 1631 | __owur const SSL_METHOD *sslv3_method(void);
|
---|
| 1632 | __owur const SSL_METHOD *sslv3_server_method(void);
|
---|
| 1633 | __owur const SSL_METHOD *sslv3_client_method(void);
|
---|
| 1634 | __owur const SSL_METHOD *tlsv1_method(void);
|
---|
| 1635 | __owur const SSL_METHOD *tlsv1_server_method(void);
|
---|
| 1636 | __owur const SSL_METHOD *tlsv1_client_method(void);
|
---|
| 1637 | __owur const SSL_METHOD *tlsv1_1_method(void);
|
---|
| 1638 | __owur const SSL_METHOD *tlsv1_1_server_method(void);
|
---|
| 1639 | __owur const SSL_METHOD *tlsv1_1_client_method(void);
|
---|
| 1640 | __owur const SSL_METHOD *tlsv1_2_method(void);
|
---|
| 1641 | __owur const SSL_METHOD *tlsv1_2_server_method(void);
|
---|
| 1642 | __owur const SSL_METHOD *tlsv1_2_client_method(void);
|
---|
| 1643 | __owur const SSL_METHOD *dtlsv1_method(void);
|
---|
| 1644 | __owur const SSL_METHOD *dtlsv1_server_method(void);
|
---|
| 1645 | __owur const SSL_METHOD *dtlsv1_client_method(void);
|
---|
| 1646 | __owur const SSL_METHOD *dtls_bad_ver_client_method(void);
|
---|
| 1647 | __owur const SSL_METHOD *dtlsv1_2_method(void);
|
---|
| 1648 | __owur const SSL_METHOD *dtlsv1_2_server_method(void);
|
---|
| 1649 | __owur const SSL_METHOD *dtlsv1_2_client_method(void);
|
---|
| 1650 |
|
---|
| 1651 | extern const SSL3_ENC_METHOD TLSv1_enc_data;
|
---|
| 1652 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data;
|
---|
| 1653 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data;
|
---|
| 1654 | extern const SSL3_ENC_METHOD SSLv3_enc_data;
|
---|
| 1655 | extern const SSL3_ENC_METHOD DTLSv1_enc_data;
|
---|
| 1656 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data;
|
---|
| 1657 |
|
---|
| 1658 | /*
|
---|
| 1659 | * Flags for SSL methods
|
---|
| 1660 | */
|
---|
| 1661 | # define SSL_METHOD_NO_FIPS (1U<<0)
|
---|
| 1662 | # define SSL_METHOD_NO_SUITEB (1U<<1)
|
---|
| 1663 |
|
---|
| 1664 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \
|
---|
| 1665 | s_connect, enc_data) \
|
---|
| 1666 | const SSL_METHOD *func_name(void) \
|
---|
| 1667 | { \
|
---|
| 1668 | static const SSL_METHOD func_name##_data= { \
|
---|
| 1669 | version, \
|
---|
| 1670 | flags, \
|
---|
| 1671 | mask, \
|
---|
| 1672 | tls1_new, \
|
---|
| 1673 | tls1_clear, \
|
---|
| 1674 | tls1_free, \
|
---|
| 1675 | s_accept, \
|
---|
| 1676 | s_connect, \
|
---|
| 1677 | ssl3_read, \
|
---|
| 1678 | ssl3_peek, \
|
---|
| 1679 | ssl3_write, \
|
---|
| 1680 | ssl3_shutdown, \
|
---|
| 1681 | ssl3_renegotiate, \
|
---|
| 1682 | ssl3_renegotiate_check, \
|
---|
| 1683 | ssl3_read_bytes, \
|
---|
| 1684 | ssl3_write_bytes, \
|
---|
| 1685 | ssl3_dispatch_alert, \
|
---|
| 1686 | ssl3_ctrl, \
|
---|
| 1687 | ssl3_ctx_ctrl, \
|
---|
| 1688 | ssl3_get_cipher_by_char, \
|
---|
| 1689 | ssl3_put_cipher_by_char, \
|
---|
| 1690 | ssl3_pending, \
|
---|
| 1691 | ssl3_num_ciphers, \
|
---|
| 1692 | ssl3_get_cipher, \
|
---|
| 1693 | tls1_default_timeout, \
|
---|
| 1694 | &enc_data, \
|
---|
| 1695 | ssl_undefined_void_function, \
|
---|
| 1696 | ssl3_callback_ctrl, \
|
---|
| 1697 | ssl3_ctx_callback_ctrl, \
|
---|
| 1698 | }; \
|
---|
| 1699 | return &func_name##_data; \
|
---|
| 1700 | }
|
---|
| 1701 |
|
---|
| 1702 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \
|
---|
| 1703 | const SSL_METHOD *func_name(void) \
|
---|
| 1704 | { \
|
---|
| 1705 | static const SSL_METHOD func_name##_data= { \
|
---|
| 1706 | SSL3_VERSION, \
|
---|
| 1707 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \
|
---|
| 1708 | SSL_OP_NO_SSLv3, \
|
---|
| 1709 | ssl3_new, \
|
---|
| 1710 | ssl3_clear, \
|
---|
| 1711 | ssl3_free, \
|
---|
| 1712 | s_accept, \
|
---|
| 1713 | s_connect, \
|
---|
| 1714 | ssl3_read, \
|
---|
| 1715 | ssl3_peek, \
|
---|
| 1716 | ssl3_write, \
|
---|
| 1717 | ssl3_shutdown, \
|
---|
| 1718 | ssl3_renegotiate, \
|
---|
| 1719 | ssl3_renegotiate_check, \
|
---|
| 1720 | ssl3_read_bytes, \
|
---|
| 1721 | ssl3_write_bytes, \
|
---|
| 1722 | ssl3_dispatch_alert, \
|
---|
| 1723 | ssl3_ctrl, \
|
---|
| 1724 | ssl3_ctx_ctrl, \
|
---|
| 1725 | ssl3_get_cipher_by_char, \
|
---|
| 1726 | ssl3_put_cipher_by_char, \
|
---|
| 1727 | ssl3_pending, \
|
---|
| 1728 | ssl3_num_ciphers, \
|
---|
| 1729 | ssl3_get_cipher, \
|
---|
| 1730 | ssl3_default_timeout, \
|
---|
| 1731 | &SSLv3_enc_data, \
|
---|
| 1732 | ssl_undefined_void_function, \
|
---|
| 1733 | ssl3_callback_ctrl, \
|
---|
| 1734 | ssl3_ctx_callback_ctrl, \
|
---|
| 1735 | }; \
|
---|
| 1736 | return &func_name##_data; \
|
---|
| 1737 | }
|
---|
| 1738 |
|
---|
| 1739 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \
|
---|
| 1740 | s_connect, enc_data) \
|
---|
| 1741 | const SSL_METHOD *func_name(void) \
|
---|
| 1742 | { \
|
---|
| 1743 | static const SSL_METHOD func_name##_data= { \
|
---|
| 1744 | version, \
|
---|
| 1745 | flags, \
|
---|
| 1746 | mask, \
|
---|
| 1747 | dtls1_new, \
|
---|
| 1748 | dtls1_clear, \
|
---|
| 1749 | dtls1_free, \
|
---|
| 1750 | s_accept, \
|
---|
| 1751 | s_connect, \
|
---|
| 1752 | ssl3_read, \
|
---|
| 1753 | ssl3_peek, \
|
---|
| 1754 | ssl3_write, \
|
---|
| 1755 | dtls1_shutdown, \
|
---|
| 1756 | ssl3_renegotiate, \
|
---|
| 1757 | ssl3_renegotiate_check, \
|
---|
| 1758 | dtls1_read_bytes, \
|
---|
| 1759 | dtls1_write_app_data_bytes, \
|
---|
| 1760 | dtls1_dispatch_alert, \
|
---|
| 1761 | dtls1_ctrl, \
|
---|
| 1762 | ssl3_ctx_ctrl, \
|
---|
| 1763 | ssl3_get_cipher_by_char, \
|
---|
| 1764 | ssl3_put_cipher_by_char, \
|
---|
| 1765 | ssl3_pending, \
|
---|
| 1766 | ssl3_num_ciphers, \
|
---|
| 1767 | ssl3_get_cipher, \
|
---|
| 1768 | dtls1_default_timeout, \
|
---|
| 1769 | &enc_data, \
|
---|
| 1770 | ssl_undefined_void_function, \
|
---|
| 1771 | ssl3_callback_ctrl, \
|
---|
| 1772 | ssl3_ctx_callback_ctrl, \
|
---|
| 1773 | }; \
|
---|
| 1774 | return &func_name##_data; \
|
---|
| 1775 | }
|
---|
| 1776 |
|
---|
| 1777 | struct openssl_ssl_test_functions {
|
---|
| 1778 | int (*p_ssl_init_wbio_buffer) (SSL *s);
|
---|
| 1779 | int (*p_ssl3_setup_buffers) (SSL *s);
|
---|
| 1780 | # ifndef OPENSSL_NO_HEARTBEATS
|
---|
| 1781 | int (*p_dtls1_process_heartbeat) (SSL *s,
|
---|
| 1782 | unsigned char *p, unsigned int length);
|
---|
| 1783 | # endif
|
---|
| 1784 | };
|
---|
| 1785 |
|
---|
| 1786 | const char *ssl_protocol_to_string(int version);
|
---|
| 1787 |
|
---|
| 1788 | # ifndef OPENSSL_UNIT_TEST
|
---|
| 1789 |
|
---|
| 1790 | void ssl_clear_cipher_ctx(SSL *s);
|
---|
| 1791 | int ssl_clear_bad_session(SSL *s);
|
---|
| 1792 | __owur CERT *ssl_cert_new(void);
|
---|
| 1793 | __owur CERT *ssl_cert_dup(CERT *cert);
|
---|
| 1794 | void ssl_cert_clear_certs(CERT *c);
|
---|
| 1795 | void ssl_cert_free(CERT *c);
|
---|
| 1796 | __owur int ssl_get_new_session(SSL *s, int session);
|
---|
| 1797 | __owur int ssl_get_prev_session(SSL *s, const PACKET *ext,
|
---|
| 1798 | const PACKET *session_id);
|
---|
| 1799 | __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket);
|
---|
| 1800 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b);
|
---|
| 1801 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id);
|
---|
| 1802 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
|
---|
| 1803 | const SSL_CIPHER *const *bp);
|
---|
| 1804 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
|
---|
| 1805 | STACK_OF(SSL_CIPHER) **pref,
|
---|
| 1806 | STACK_OF(SSL_CIPHER)
|
---|
| 1807 | **sorted,
|
---|
| 1808 | const char *rule_str,
|
---|
| 1809 | CERT *c);
|
---|
| 1810 | void ssl_update_cache(SSL *s, int mode);
|
---|
| 1811 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
|
---|
| 1812 | const EVP_MD **md, int *mac_pkey_type,
|
---|
| 1813 | int *mac_secret_size, SSL_COMP **comp,
|
---|
| 1814 | int use_etm);
|
---|
| 1815 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c);
|
---|
| 1816 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl,
|
---|
| 1817 | const unsigned char *ptr);
|
---|
| 1818 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
|
---|
| 1819 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain);
|
---|
| 1820 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
|
---|
| 1821 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x);
|
---|
| 1822 | __owur int ssl_cert_select_current(CERT *c, X509 *x);
|
---|
| 1823 | __owur int ssl_cert_set_current(CERT *c, long arg);
|
---|
| 1824 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first);
|
---|
| 1825 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg);
|
---|
| 1826 |
|
---|
| 1827 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk);
|
---|
| 1828 | __owur int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l);
|
---|
| 1829 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags);
|
---|
| 1830 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain,
|
---|
| 1831 | int ref);
|
---|
| 1832 |
|
---|
| 1833 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other);
|
---|
| 1834 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid,
|
---|
| 1835 | void *other);
|
---|
| 1836 |
|
---|
| 1837 | int ssl_undefined_function(SSL *s);
|
---|
| 1838 | __owur int ssl_undefined_void_function(void);
|
---|
| 1839 | __owur int ssl_undefined_const_function(const SSL *s);
|
---|
| 1840 | __owur CERT_PKEY *ssl_get_server_send_pkey(SSL *s);
|
---|
| 1841 | __owur int ssl_get_server_cert_serverinfo(SSL *s,
|
---|
| 1842 | const unsigned char **serverinfo,
|
---|
| 1843 | size_t *serverinfo_length);
|
---|
| 1844 | __owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c,
|
---|
| 1845 | const EVP_MD **pmd);
|
---|
| 1846 | __owur int ssl_cert_type(const X509 *x, const EVP_PKEY *pkey);
|
---|
| 1847 | void ssl_set_masks(SSL *s);
|
---|
| 1848 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
|
---|
| 1849 | __owur int ssl_verify_alarm_type(long type);
|
---|
| 1850 | void ssl_sort_cipher_list(void);
|
---|
| 1851 | void ssl_load_ciphers(void);
|
---|
| 1852 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field,
|
---|
| 1853 | int len);
|
---|
| 1854 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen,
|
---|
| 1855 | int free_pms);
|
---|
| 1856 | __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm);
|
---|
| 1857 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey);
|
---|
| 1858 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh);
|
---|
| 1859 |
|
---|
| 1860 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
|
---|
| 1861 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
|
---|
| 1862 | int ssl3_init_finished_mac(SSL *s);
|
---|
| 1863 | __owur int ssl3_setup_key_block(SSL *s);
|
---|
| 1864 | __owur int ssl3_change_cipher_state(SSL *s, int which);
|
---|
| 1865 | void ssl3_cleanup_key_block(SSL *s);
|
---|
| 1866 | __owur int ssl3_do_write(SSL *s, int type);
|
---|
| 1867 | int ssl3_send_alert(SSL *s, int level, int desc);
|
---|
| 1868 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out,
|
---|
| 1869 | unsigned char *p, int len);
|
---|
| 1870 | __owur int ssl3_get_req_cert_type(SSL *s, unsigned char *p);
|
---|
| 1871 | __owur int ssl3_num_ciphers(void);
|
---|
| 1872 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
|
---|
| 1873 | int ssl3_renegotiate(SSL *ssl);
|
---|
| 1874 | int ssl3_renegotiate_check(SSL *ssl);
|
---|
| 1875 | __owur int ssl3_dispatch_alert(SSL *s);
|
---|
| 1876 | __owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,
|
---|
| 1877 | unsigned char *p);
|
---|
| 1878 | __owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
|
---|
| 1879 | void ssl3_free_digest_list(SSL *s);
|
---|
| 1880 | __owur unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk);
|
---|
| 1881 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,
|
---|
| 1882 | STACK_OF(SSL_CIPHER) *clnt,
|
---|
| 1883 | STACK_OF(SSL_CIPHER) *srvr);
|
---|
| 1884 | __owur int ssl3_digest_cached_records(SSL *s, int keep);
|
---|
| 1885 | __owur int ssl3_new(SSL *s);
|
---|
| 1886 | void ssl3_free(SSL *s);
|
---|
| 1887 | __owur int ssl3_read(SSL *s, void *buf, int len);
|
---|
| 1888 | __owur int ssl3_peek(SSL *s, void *buf, int len);
|
---|
| 1889 | __owur int ssl3_write(SSL *s, const void *buf, int len);
|
---|
| 1890 | __owur int ssl3_shutdown(SSL *s);
|
---|
| 1891 | void ssl3_clear(SSL *s);
|
---|
| 1892 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg);
|
---|
| 1893 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
|
---|
| 1894 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
|
---|
| 1895 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
|
---|
| 1896 |
|
---|
| 1897 | __owur int ssl3_do_change_cipher_spec(SSL *ssl);
|
---|
| 1898 | __owur long ssl3_default_timeout(void);
|
---|
| 1899 |
|
---|
| 1900 | __owur int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len);
|
---|
| 1901 | __owur int ssl3_handshake_write(SSL *s);
|
---|
| 1902 |
|
---|
| 1903 | __owur int ssl_allow_compression(SSL *s);
|
---|
| 1904 |
|
---|
| 1905 | __owur int ssl_version_supported(const SSL *s, int version);
|
---|
| 1906 |
|
---|
| 1907 | __owur int ssl_set_client_hello_version(SSL *s);
|
---|
| 1908 | __owur int ssl_check_version_downgrade(SSL *s);
|
---|
| 1909 | __owur int ssl_set_version_bound(int method_version, int version, int *bound);
|
---|
| 1910 | __owur int ssl_choose_server_version(SSL *s);
|
---|
| 1911 | __owur int ssl_choose_client_version(SSL *s, int version);
|
---|
| 1912 | int ssl_get_client_min_max_version(const SSL *s, int *min_version,
|
---|
| 1913 | int *max_version);
|
---|
| 1914 |
|
---|
| 1915 | __owur long tls1_default_timeout(void);
|
---|
| 1916 | __owur int dtls1_do_write(SSL *s, int type);
|
---|
| 1917 | void dtls1_set_message_header(SSL *s,
|
---|
| 1918 | unsigned char mt,
|
---|
| 1919 | unsigned long len,
|
---|
| 1920 | unsigned long frag_off, unsigned long frag_len);
|
---|
| 1921 |
|
---|
| 1922 | __owur int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf,
|
---|
| 1923 | int len);
|
---|
| 1924 |
|
---|
| 1925 | __owur int dtls1_read_failed(SSL *s, int code);
|
---|
| 1926 | __owur int dtls1_buffer_message(SSL *s, int ccs);
|
---|
| 1927 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found);
|
---|
| 1928 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
|
---|
| 1929 | int dtls1_retransmit_buffered_messages(SSL *s);
|
---|
| 1930 | void dtls1_clear_received_buffer(SSL *s);
|
---|
| 1931 | void dtls1_clear_sent_buffer(SSL *s);
|
---|
| 1932 | void dtls1_get_message_header(unsigned char *data,
|
---|
| 1933 | struct hm_header_st *msg_hdr);
|
---|
| 1934 | __owur long dtls1_default_timeout(void);
|
---|
| 1935 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft);
|
---|
| 1936 | __owur int dtls1_check_timeout_num(SSL *s);
|
---|
| 1937 | __owur int dtls1_handle_timeout(SSL *s);
|
---|
| 1938 | void dtls1_start_timer(SSL *s);
|
---|
| 1939 | void dtls1_stop_timer(SSL *s);
|
---|
| 1940 | __owur int dtls1_is_timer_expired(SSL *s);
|
---|
| 1941 | void dtls1_double_timeout(SSL *s);
|
---|
| 1942 | __owur unsigned int dtls_raw_hello_verify_request(unsigned char *buf,
|
---|
| 1943 | unsigned char *cookie,
|
---|
| 1944 | unsigned char cookie_len);
|
---|
| 1945 | __owur int dtls1_send_newsession_ticket(SSL *s);
|
---|
| 1946 | __owur unsigned int dtls1_min_mtu(SSL *s);
|
---|
| 1947 | void dtls1_hm_fragment_free(hm_fragment *frag);
|
---|
| 1948 | __owur int dtls1_query_mtu(SSL *s);
|
---|
| 1949 |
|
---|
| 1950 | __owur int tls1_new(SSL *s);
|
---|
| 1951 | void tls1_free(SSL *s);
|
---|
| 1952 | void tls1_clear(SSL *s);
|
---|
| 1953 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg);
|
---|
| 1954 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
|
---|
| 1955 |
|
---|
| 1956 | __owur int dtls1_new(SSL *s);
|
---|
| 1957 | void dtls1_free(SSL *s);
|
---|
| 1958 | void dtls1_clear(SSL *s);
|
---|
| 1959 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg);
|
---|
| 1960 | __owur int dtls1_shutdown(SSL *s);
|
---|
| 1961 |
|
---|
| 1962 | __owur int dtls1_dispatch_alert(SSL *s);
|
---|
| 1963 |
|
---|
| 1964 | __owur int ssl_init_wbio_buffer(SSL *s);
|
---|
| 1965 | void ssl_free_wbio_buffer(SSL *s);
|
---|
| 1966 |
|
---|
| 1967 | __owur int tls1_change_cipher_state(SSL *s, int which);
|
---|
| 1968 | __owur int tls1_setup_key_block(SSL *s);
|
---|
| 1969 | __owur int tls1_final_finish_mac(SSL *s,
|
---|
| 1970 | const char *str, int slen, unsigned char *p);
|
---|
| 1971 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out,
|
---|
| 1972 | unsigned char *p, int len);
|
---|
| 1973 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
|
---|
| 1974 | const char *label, size_t llen,
|
---|
| 1975 | const unsigned char *p, size_t plen,
|
---|
| 1976 | int use_context);
|
---|
| 1977 | __owur int tls1_alert_code(int code);
|
---|
| 1978 | __owur int ssl3_alert_code(int code);
|
---|
| 1979 | __owur int ssl_ok(SSL *s);
|
---|
| 1980 |
|
---|
| 1981 | # ifndef OPENSSL_NO_EC
|
---|
| 1982 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
|
---|
| 1983 | # endif
|
---|
| 1984 |
|
---|
| 1985 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
|
---|
| 1986 |
|
---|
| 1987 | # ifndef OPENSSL_NO_EC
|
---|
| 1988 | /* Flags values from tls1_ec_curve_id2nid() */
|
---|
| 1989 | /* Mask for curve type */
|
---|
| 1990 | # define TLS_CURVE_TYPE 0x3
|
---|
| 1991 | # define TLS_CURVE_PRIME 0x0
|
---|
| 1992 | # define TLS_CURVE_CHAR2 0x1
|
---|
| 1993 | # define TLS_CURVE_CUSTOM 0x2
|
---|
| 1994 | __owur int tls1_ec_curve_id2nid(int curve_id, unsigned int *pflags);
|
---|
| 1995 | __owur int tls1_ec_nid2curve_id(int nid);
|
---|
| 1996 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len);
|
---|
| 1997 | __owur int tls1_shared_curve(SSL *s, int nmatch);
|
---|
| 1998 | __owur int tls1_set_curves(unsigned char **pext, size_t *pextlen,
|
---|
| 1999 | int *curves, size_t ncurves);
|
---|
| 2000 | __owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
|
---|
| 2001 | const char *str);
|
---|
| 2002 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id);
|
---|
| 2003 | __owur EVP_PKEY *ssl_generate_pkey_curve(int id);
|
---|
| 2004 | # endif /* OPENSSL_NO_EC */
|
---|
| 2005 |
|
---|
| 2006 | __owur int tls1_shared_list(SSL *s,
|
---|
| 2007 | const unsigned char *l1, size_t l1len,
|
---|
| 2008 | const unsigned char *l2, size_t l2len, int nmatch);
|
---|
| 2009 | __owur unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf,
|
---|
| 2010 | unsigned char *limit, int *al);
|
---|
| 2011 | __owur unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf,
|
---|
| 2012 | unsigned char *limit, int *al);
|
---|
| 2013 | __owur int ssl_parse_clienthello_tlsext(SSL *s, PACKET *pkt);
|
---|
| 2014 | void ssl_set_default_md(SSL *s);
|
---|
| 2015 | __owur int tls1_set_server_sigalgs(SSL *s);
|
---|
| 2016 | __owur int ssl_check_clienthello_tlsext_late(SSL *s, int *al);
|
---|
| 2017 | __owur int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt);
|
---|
| 2018 | __owur int ssl_prepare_clienthello_tlsext(SSL *s);
|
---|
| 2019 | __owur int ssl_prepare_serverhello_tlsext(SSL *s);
|
---|
| 2020 |
|
---|
| 2021 | # ifndef OPENSSL_NO_HEARTBEATS
|
---|
| 2022 | __owur int dtls1_heartbeat(SSL *s);
|
---|
| 2023 | __owur int dtls1_process_heartbeat(SSL *s, unsigned char *p,
|
---|
| 2024 | unsigned int length);
|
---|
| 2025 | # endif
|
---|
| 2026 |
|
---|
| 2027 | __owur int tls_check_serverhello_tlsext_early(SSL *s, const PACKET *ext,
|
---|
| 2028 | const PACKET *session_id,
|
---|
| 2029 | SSL_SESSION **ret);
|
---|
| 2030 |
|
---|
| 2031 | __owur int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
|
---|
| 2032 | const EVP_MD *md);
|
---|
| 2033 | __owur int tls12_get_sigid(const EVP_PKEY *pk);
|
---|
| 2034 | __owur const EVP_MD *tls12_get_hash(unsigned char hash_alg);
|
---|
| 2035 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op);
|
---|
| 2036 |
|
---|
| 2037 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
|
---|
| 2038 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen,
|
---|
| 2039 | int client);
|
---|
| 2040 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain,
|
---|
| 2041 | int idx);
|
---|
| 2042 | void tls1_set_cert_validity(SSL *s);
|
---|
| 2043 |
|
---|
| 2044 | # ifndef OPENSSL_NO_CT
|
---|
| 2045 | __owur int ssl_validate_ct(SSL *s);
|
---|
| 2046 | # endif
|
---|
| 2047 |
|
---|
| 2048 | # ifndef OPENSSL_NO_DH
|
---|
| 2049 | __owur DH *ssl_get_auto_dh(SSL *s);
|
---|
| 2050 | # endif
|
---|
| 2051 |
|
---|
| 2052 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee);
|
---|
| 2053 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex,
|
---|
| 2054 | int vfy);
|
---|
| 2055 |
|
---|
| 2056 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md);
|
---|
| 2057 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
|
---|
| 2058 | __owur int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p,
|
---|
| 2059 | int *len, int maxlen);
|
---|
| 2060 | __owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, PACKET *pkt, int *al);
|
---|
| 2061 | __owur int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p,
|
---|
| 2062 | int *len, int maxlen);
|
---|
| 2063 | __owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, PACKET *pkt, int *al);
|
---|
| 2064 | __owur long ssl_get_algorithm2(SSL *s);
|
---|
| 2065 | __owur size_t tls12_copy_sigalgs(SSL *s, unsigned char *out,
|
---|
| 2066 | const unsigned char *psig, size_t psiglen);
|
---|
| 2067 | __owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize);
|
---|
| 2068 | __owur int tls1_process_sigalgs(SSL *s);
|
---|
| 2069 | __owur size_t tls12_get_psigalgs(SSL *s, int sent, const unsigned char **psigs);
|
---|
| 2070 | __owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s,
|
---|
| 2071 | const unsigned char *sig, EVP_PKEY *pkey);
|
---|
| 2072 | void ssl_set_client_disabled(SSL *s);
|
---|
| 2073 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op);
|
---|
| 2074 |
|
---|
| 2075 | __owur int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
|
---|
| 2076 | int maxlen);
|
---|
| 2077 | __owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, PACKET *pkt, int *al);
|
---|
| 2078 | __owur int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
|
---|
| 2079 | int maxlen);
|
---|
| 2080 | __owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, PACKET *pkt, int *al);
|
---|
| 2081 |
|
---|
| 2082 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen);
|
---|
| 2083 | __owur const EVP_MD *ssl_md(int idx);
|
---|
| 2084 | __owur const EVP_MD *ssl_handshake_md(SSL *s);
|
---|
| 2085 | __owur const EVP_MD *ssl_prf_md(SSL *s);
|
---|
| 2086 |
|
---|
| 2087 | /* s3_cbc.c */
|
---|
| 2088 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
|
---|
| 2089 | __owur int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx,
|
---|
| 2090 | unsigned char *md_out,
|
---|
| 2091 | size_t *md_out_size,
|
---|
| 2092 | const unsigned char header[13],
|
---|
| 2093 | const unsigned char *data,
|
---|
| 2094 | size_t data_plus_mac_size,
|
---|
| 2095 | size_t data_plus_mac_plus_padding_size,
|
---|
| 2096 | const unsigned char *mac_secret,
|
---|
| 2097 | unsigned mac_secret_length, char is_sslv3);
|
---|
| 2098 |
|
---|
| 2099 | __owur int tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx,
|
---|
| 2100 | EVP_MD_CTX *mac_ctx, const unsigned char *data,
|
---|
| 2101 | size_t data_len, size_t orig_len);
|
---|
| 2102 |
|
---|
| 2103 | __owur int srp_generate_server_master_secret(SSL *s);
|
---|
| 2104 | __owur int srp_generate_client_master_secret(SSL *s);
|
---|
| 2105 | __owur int srp_verify_server_param(SSL *s, int *al);
|
---|
| 2106 |
|
---|
| 2107 | /* t1_ext.c */
|
---|
| 2108 |
|
---|
| 2109 | void custom_ext_init(custom_ext_methods *meths);
|
---|
| 2110 |
|
---|
| 2111 | __owur int custom_ext_parse(SSL *s, int server,
|
---|
| 2112 | unsigned int ext_type,
|
---|
| 2113 | const unsigned char *ext_data, size_t ext_size,
|
---|
| 2114 | int *al);
|
---|
| 2115 | __owur int custom_ext_add(SSL *s, int server, unsigned char **pret,
|
---|
| 2116 | unsigned char *limit, int *al);
|
---|
| 2117 |
|
---|
| 2118 | __owur int custom_exts_copy(custom_ext_methods *dst,
|
---|
| 2119 | const custom_ext_methods *src);
|
---|
| 2120 | void custom_exts_free(custom_ext_methods *exts);
|
---|
| 2121 |
|
---|
| 2122 | void ssl_comp_free_compression_methods_int(void);
|
---|
| 2123 |
|
---|
| 2124 | # else
|
---|
| 2125 |
|
---|
| 2126 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
|
---|
| 2127 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
|
---|
| 2128 | # define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat
|
---|
| 2129 |
|
---|
| 2130 | # endif
|
---|
| 2131 | #endif
|
---|