[a1bae3e] | 1 | /* ssl/ssl3.h */ |
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| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * This package is an SSL implementation written |
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| 6 | * by Eric Young (eay@cryptsoft.com). |
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| 7 | * The implementation was written so as to conform with Netscapes SSL. |
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| 8 | * |
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| 9 | * This library is free for commercial and non-commercial use as long as |
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| 10 | * the following conditions are aheared to. The following conditions |
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| 11 | * apply to all code found in this distribution, be it the RC4, RSA, |
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| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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| 13 | * included with this distribution is covered by the same copyright terms |
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| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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| 15 | * |
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| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
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| 17 | * the code are not to be removed. |
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| 18 | * If this package is used in a product, Eric Young should be given attribution |
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| 19 | * as the author of the parts of the library used. |
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| 20 | * This can be in the form of a textual message at program startup or |
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| 21 | * in documentation (online or textual) provided with the package. |
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| 22 | * |
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| 23 | * Redistribution and use in source and binary forms, with or without |
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| 24 | * modification, are permitted provided that the following conditions |
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| 25 | * are met: |
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| 26 | * 1. Redistributions of source code must retain the copyright |
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| 27 | * notice, this list of conditions and the following disclaimer. |
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| 28 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 29 | * notice, this list of conditions and the following disclaimer in the |
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| 30 | * documentation and/or other materials provided with the distribution. |
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| 31 | * 3. All advertising materials mentioning features or use of this software |
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| 32 | * must display the following acknowledgement: |
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| 33 | * "This product includes cryptographic software written by |
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| 34 | * Eric Young (eay@cryptsoft.com)" |
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| 35 | * The word 'cryptographic' can be left out if the rouines from the library |
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| 36 | * being used are not cryptographic related :-). |
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| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
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| 38 | * the apps directory (application code) you must include an acknowledgement: |
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| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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| 40 | * |
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| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 51 | * SUCH DAMAGE. |
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| 52 | * |
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| 53 | * The licence and distribution terms for any publically available version or |
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| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
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| 55 | * copied and put under another distribution licence |
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| 56 | * [including the GNU Public Licence.] |
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| 57 | */ |
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| 58 | /* ==================================================================== |
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| 59 | * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. |
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| 60 | * |
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| 61 | * Redistribution and use in source and binary forms, with or without |
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| 62 | * modification, are permitted provided that the following conditions |
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| 63 | * are met: |
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| 64 | * |
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| 65 | * 1. Redistributions of source code must retain the above copyright |
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| 66 | * notice, this list of conditions and the following disclaimer. |
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| 67 | * |
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| 68 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 69 | * notice, this list of conditions and the following disclaimer in |
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| 70 | * the documentation and/or other materials provided with the |
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| 71 | * distribution. |
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| 72 | * |
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| 73 | * 3. All advertising materials mentioning features or use of this |
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| 74 | * software must display the following acknowledgment: |
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| 75 | * "This product includes software developed by the OpenSSL Project |
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| 76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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| 77 | * |
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| 78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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| 79 | * endorse or promote products derived from this software without |
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| 80 | * prior written permission. For written permission, please contact |
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| 81 | * openssl-core@openssl.org. |
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| 82 | * |
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| 83 | * 5. Products derived from this software may not be called "OpenSSL" |
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| 84 | * nor may "OpenSSL" appear in their names without prior written |
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| 85 | * permission of the OpenSSL Project. |
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| 86 | * |
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| 87 | * 6. Redistributions of any form whatsoever must retain the following |
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| 88 | * acknowledgment: |
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| 89 | * "This product includes software developed by the OpenSSL Project |
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| 90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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| 91 | * |
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| 92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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| 93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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| 95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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| 96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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| 99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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| 101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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| 103 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 104 | * ==================================================================== |
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| 105 | * |
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| 106 | * This product includes cryptographic software written by Eric Young |
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| 107 | * (eay@cryptsoft.com). This product includes software written by Tim |
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| 108 | * Hudson (tjh@cryptsoft.com). |
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| 109 | * |
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| 110 | */ |
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| 111 | /* ==================================================================== |
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| 112 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
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| 113 | * ECC cipher suite support in OpenSSL originally developed by |
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| 114 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
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| 115 | */ |
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| 116 | |
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| 117 | #ifndef HEADER_SSL3_H |
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| 118 | #define HEADER_SSL3_H |
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| 119 | |
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| 120 | #ifndef OPENSSL_NO_COMP |
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| 121 | #include <openssl/comp.h> |
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| 122 | #endif |
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| 123 | #include <openssl/buffer.h> |
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| 124 | #include <openssl/evp.h> |
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| 125 | #include <openssl/ssl.h> |
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| 126 | #include <openssl/pq_compat.h> |
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| 127 | |
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| 128 | #ifdef __cplusplus |
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| 129 | extern "C" { |
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| 130 | #endif |
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| 131 | |
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| 132 | #define SSL3_CK_RSA_NULL_MD5 0x03000001 |
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| 133 | #define SSL3_CK_RSA_NULL_SHA 0x03000002 |
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| 134 | #define SSL3_CK_RSA_RC4_40_MD5 0x03000003 |
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| 135 | #define SSL3_CK_RSA_RC4_128_MD5 0x03000004 |
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| 136 | #define SSL3_CK_RSA_RC4_128_SHA 0x03000005 |
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| 137 | #define SSL3_CK_RSA_RC2_40_MD5 0x03000006 |
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| 138 | #define SSL3_CK_RSA_IDEA_128_SHA 0x03000007 |
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| 139 | #define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008 |
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| 140 | #define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009 |
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| 141 | #define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A |
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| 142 | |
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| 143 | #define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B |
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| 144 | #define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C |
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| 145 | #define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D |
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| 146 | #define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E |
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| 147 | #define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F |
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| 148 | #define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010 |
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| 149 | |
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| 150 | #define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011 |
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| 151 | #define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012 |
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| 152 | #define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013 |
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| 153 | #define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014 |
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| 154 | #define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015 |
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| 155 | #define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016 |
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| 156 | |
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| 157 | #define SSL3_CK_ADH_RC4_40_MD5 0x03000017 |
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| 158 | #define SSL3_CK_ADH_RC4_128_MD5 0x03000018 |
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| 159 | #define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019 |
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| 160 | #define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A |
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| 161 | #define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B |
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| 162 | |
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| 163 | #define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C |
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| 164 | #define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D |
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| 165 | #if 0 /* Because it clashes with KRB5, is never used any more, and is safe |
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| 166 | to remove according to David Hopwood <david.hopwood@zetnet.co.uk> |
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| 167 | of the ietf-tls list */ |
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| 168 | #define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E |
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| 169 | #endif |
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| 170 | |
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| 171 | /* VRS Additional Kerberos5 entries |
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| 172 | */ |
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| 173 | #define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E |
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| 174 | #define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F |
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| 175 | #define SSL3_CK_KRB5_RC4_128_SHA 0x03000020 |
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| 176 | #define SSL3_CK_KRB5_IDEA_128_CBC_SHA 0x03000021 |
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| 177 | #define SSL3_CK_KRB5_DES_64_CBC_MD5 0x03000022 |
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| 178 | #define SSL3_CK_KRB5_DES_192_CBC3_MD5 0x03000023 |
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| 179 | #define SSL3_CK_KRB5_RC4_128_MD5 0x03000024 |
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| 180 | #define SSL3_CK_KRB5_IDEA_128_CBC_MD5 0x03000025 |
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| 181 | |
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| 182 | #define SSL3_CK_KRB5_DES_40_CBC_SHA 0x03000026 |
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| 183 | #define SSL3_CK_KRB5_RC2_40_CBC_SHA 0x03000027 |
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| 184 | #define SSL3_CK_KRB5_RC4_40_SHA 0x03000028 |
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| 185 | #define SSL3_CK_KRB5_DES_40_CBC_MD5 0x03000029 |
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| 186 | #define SSL3_CK_KRB5_RC2_40_CBC_MD5 0x0300002A |
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| 187 | #define SSL3_CK_KRB5_RC4_40_MD5 0x0300002B |
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| 188 | |
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| 189 | #define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5" |
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| 190 | #define SSL3_TXT_RSA_NULL_SHA "NULL-SHA" |
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| 191 | #define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5" |
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| 192 | #define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5" |
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| 193 | #define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA" |
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| 194 | #define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5" |
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| 195 | #define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA" |
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| 196 | #define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA" |
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| 197 | #define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA" |
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| 198 | #define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA" |
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| 199 | |
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| 200 | #define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA" |
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| 201 | #define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA" |
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| 202 | #define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA" |
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| 203 | #define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA" |
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| 204 | #define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA" |
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| 205 | #define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA" |
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| 206 | |
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| 207 | #define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA" |
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| 208 | #define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA" |
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| 209 | #define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA" |
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| 210 | #define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA" |
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| 211 | #define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA" |
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| 212 | #define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA" |
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| 213 | |
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| 214 | #define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5" |
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| 215 | #define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5" |
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| 216 | #define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA" |
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| 217 | #define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" |
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| 218 | #define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA" |
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| 219 | |
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| 220 | #define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA" |
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| 221 | #define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA" |
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| 222 | #define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA" |
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| 223 | |
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| 224 | #define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA" |
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| 225 | #define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA" |
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| 226 | #define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA" |
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| 227 | #define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA" |
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| 228 | #define SSL3_TXT_KRB5_DES_64_CBC_MD5 "KRB5-DES-CBC-MD5" |
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| 229 | #define SSL3_TXT_KRB5_DES_192_CBC3_MD5 "KRB5-DES-CBC3-MD5" |
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| 230 | #define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5" |
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| 231 | #define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 "KRB5-IDEA-CBC-MD5" |
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| 232 | |
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| 233 | #define SSL3_TXT_KRB5_DES_40_CBC_SHA "EXP-KRB5-DES-CBC-SHA" |
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| 234 | #define SSL3_TXT_KRB5_RC2_40_CBC_SHA "EXP-KRB5-RC2-CBC-SHA" |
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| 235 | #define SSL3_TXT_KRB5_RC4_40_SHA "EXP-KRB5-RC4-SHA" |
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| 236 | #define SSL3_TXT_KRB5_DES_40_CBC_MD5 "EXP-KRB5-DES-CBC-MD5" |
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| 237 | #define SSL3_TXT_KRB5_RC2_40_CBC_MD5 "EXP-KRB5-RC2-CBC-MD5" |
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| 238 | #define SSL3_TXT_KRB5_RC4_40_MD5 "EXP-KRB5-RC4-MD5" |
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| 239 | |
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| 240 | #define SSL3_SSL_SESSION_ID_LENGTH 32 |
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| 241 | #define SSL3_MAX_SSL_SESSION_ID_LENGTH 32 |
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| 242 | |
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| 243 | #define SSL3_MASTER_SECRET_SIZE 48 |
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| 244 | #define SSL3_RANDOM_SIZE 32 |
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| 245 | #define SSL3_SESSION_ID_SIZE 32 |
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| 246 | #define SSL3_RT_HEADER_LENGTH 5 |
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| 247 | |
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| 248 | /* Due to MS stuffing up, this can change.... */ |
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| 249 | #if defined(OPENSSL_SYS_WIN16) || \ |
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| 250 | (defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32)) |
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| 251 | #define SSL3_RT_MAX_EXTRA (14000) |
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| 252 | #else |
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| 253 | #define SSL3_RT_MAX_EXTRA (16384) |
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| 254 | #endif |
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| 255 | |
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| 256 | #define SSL3_RT_MAX_PLAIN_LENGTH 16384 |
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| 257 | #define SSL3_RT_MAX_COMPRESSED_LENGTH (1024+SSL3_RT_MAX_PLAIN_LENGTH) |
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| 258 | #define SSL3_RT_MAX_ENCRYPTED_LENGTH (1024+SSL3_RT_MAX_COMPRESSED_LENGTH) |
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| 259 | #define SSL3_RT_MAX_PACKET_SIZE (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH) |
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| 260 | #define SSL3_RT_MAX_DATA_SIZE (1024*1024) |
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| 261 | |
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| 262 | #define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54" |
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| 263 | #define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52" |
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| 264 | |
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| 265 | #define SSL3_VERSION 0x0300 |
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| 266 | #define SSL3_VERSION_MAJOR 0x03 |
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| 267 | #define SSL3_VERSION_MINOR 0x00 |
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| 268 | |
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| 269 | #define SSL3_RT_CHANGE_CIPHER_SPEC 20 |
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| 270 | #define SSL3_RT_ALERT 21 |
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| 271 | #define SSL3_RT_HANDSHAKE 22 |
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| 272 | #define SSL3_RT_APPLICATION_DATA 23 |
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| 273 | |
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| 274 | #define SSL3_AL_WARNING 1 |
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| 275 | #define SSL3_AL_FATAL 2 |
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| 276 | |
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| 277 | #define SSL3_AD_CLOSE_NOTIFY 0 |
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| 278 | #define SSL3_AD_UNEXPECTED_MESSAGE 10 /* fatal */ |
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| 279 | #define SSL3_AD_BAD_RECORD_MAC 20 /* fatal */ |
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| 280 | #define SSL3_AD_DECOMPRESSION_FAILURE 30 /* fatal */ |
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| 281 | #define SSL3_AD_HANDSHAKE_FAILURE 40 /* fatal */ |
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| 282 | #define SSL3_AD_NO_CERTIFICATE 41 |
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| 283 | #define SSL3_AD_BAD_CERTIFICATE 42 |
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| 284 | #define SSL3_AD_UNSUPPORTED_CERTIFICATE 43 |
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| 285 | #define SSL3_AD_CERTIFICATE_REVOKED 44 |
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| 286 | #define SSL3_AD_CERTIFICATE_EXPIRED 45 |
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| 287 | #define SSL3_AD_CERTIFICATE_UNKNOWN 46 |
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| 288 | #define SSL3_AD_ILLEGAL_PARAMETER 47 /* fatal */ |
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| 289 | |
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| 290 | typedef struct ssl3_record_st |
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| 291 | { |
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| 292 | /*r */ int type; /* type of record */ |
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| 293 | /*rw*/ unsigned int length; /* How many bytes available */ |
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| 294 | /*r */ unsigned int off; /* read/write offset into 'buf' */ |
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| 295 | /*rw*/ unsigned char *data; /* pointer to the record data */ |
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| 296 | /*rw*/ unsigned char *input; /* where the decode bytes are */ |
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| 297 | /*r */ unsigned char *comp; /* only used with decompression - malloc()ed */ |
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| 298 | /*r */ unsigned long epoch; /* epoch number, needed by DTLS1 */ |
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| 299 | /*r */ PQ_64BIT seq_num; /* sequence number, needed by DTLS1 */ |
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| 300 | } SSL3_RECORD; |
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| 301 | |
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| 302 | typedef struct ssl3_buffer_st |
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| 303 | { |
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| 304 | unsigned char *buf; /* at least SSL3_RT_MAX_PACKET_SIZE bytes, |
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| 305 | * see ssl3_setup_buffers() */ |
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| 306 | size_t len; /* buffer size */ |
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| 307 | int offset; /* where to 'copy from' */ |
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| 308 | int left; /* how many bytes left */ |
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| 309 | } SSL3_BUFFER; |
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| 310 | |
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| 311 | #define SSL3_CT_RSA_SIGN 1 |
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| 312 | #define SSL3_CT_DSS_SIGN 2 |
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| 313 | #define SSL3_CT_RSA_FIXED_DH 3 |
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| 314 | #define SSL3_CT_DSS_FIXED_DH 4 |
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| 315 | #define SSL3_CT_RSA_EPHEMERAL_DH 5 |
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| 316 | #define SSL3_CT_DSS_EPHEMERAL_DH 6 |
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| 317 | #define SSL3_CT_FORTEZZA_DMS 20 |
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| 318 | /* SSL3_CT_NUMBER is used to size arrays and it must be large |
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| 319 | * enough to contain all of the cert types defined either for |
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| 320 | * SSLv3 and TLSv1. |
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| 321 | */ |
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| 322 | #define SSL3_CT_NUMBER 7 |
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| 323 | |
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| 324 | |
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| 325 | #define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001 |
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| 326 | #define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002 |
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| 327 | #define SSL3_FLAGS_POP_BUFFER 0x0004 |
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| 328 | #define TLS1_FLAGS_TLS_PADDING_BUG 0x0008 |
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| 329 | |
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| 330 | typedef struct ssl3_state_st |
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| 331 | { |
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| 332 | long flags; |
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| 333 | int delay_buf_pop_ret; |
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| 334 | |
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| 335 | unsigned char read_sequence[8]; |
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| 336 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; |
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| 337 | unsigned char write_sequence[8]; |
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| 338 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; |
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| 339 | |
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| 340 | unsigned char server_random[SSL3_RANDOM_SIZE]; |
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| 341 | unsigned char client_random[SSL3_RANDOM_SIZE]; |
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| 342 | |
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| 343 | /* flags for countermeasure against known-IV weakness */ |
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| 344 | int need_empty_fragments; |
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| 345 | int empty_fragment_done; |
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| 346 | |
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| 347 | SSL3_BUFFER rbuf; /* read IO goes into here */ |
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| 348 | SSL3_BUFFER wbuf; /* write IO goes into here */ |
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| 349 | |
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| 350 | SSL3_RECORD rrec; /* each decoded record goes in here */ |
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| 351 | SSL3_RECORD wrec; /* goes out from here */ |
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| 352 | |
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| 353 | /* storage for Alert/Handshake protocol data received but not |
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| 354 | * yet processed by ssl3_read_bytes: */ |
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| 355 | unsigned char alert_fragment[2]; |
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| 356 | unsigned int alert_fragment_len; |
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| 357 | unsigned char handshake_fragment[4]; |
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| 358 | unsigned int handshake_fragment_len; |
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| 359 | |
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| 360 | /* partial write - check the numbers match */ |
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| 361 | unsigned int wnum; /* number of bytes sent so far */ |
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| 362 | int wpend_tot; /* number bytes written */ |
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| 363 | int wpend_type; |
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| 364 | int wpend_ret; /* number of bytes submitted */ |
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| 365 | const unsigned char *wpend_buf; |
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| 366 | |
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| 367 | /* used during startup, digest all incoming/outgoing packets */ |
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| 368 | EVP_MD_CTX finish_dgst1; |
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| 369 | EVP_MD_CTX finish_dgst2; |
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| 370 | |
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| 371 | /* this is set whenerver we see a change_cipher_spec message |
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| 372 | * come in when we are not looking for one */ |
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| 373 | int change_cipher_spec; |
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| 374 | |
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| 375 | int warn_alert; |
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| 376 | int fatal_alert; |
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| 377 | /* we allow one fatal and one warning alert to be outstanding, |
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| 378 | * send close alert via the warning alert */ |
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| 379 | int alert_dispatch; |
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| 380 | unsigned char send_alert[2]; |
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| 381 | |
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| 382 | /* This flag is set when we should renegotiate ASAP, basically when |
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| 383 | * there is no more data in the read or write buffers */ |
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| 384 | int renegotiate; |
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| 385 | int total_renegotiations; |
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| 386 | int num_renegotiations; |
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| 387 | |
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| 388 | int in_read_app_data; |
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| 389 | |
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| 390 | struct { |
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| 391 | /* actually only needs to be 16+20 */ |
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| 392 | unsigned char cert_verify_md[EVP_MAX_MD_SIZE*2]; |
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| 393 | |
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| 394 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ |
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| 395 | unsigned char finish_md[EVP_MAX_MD_SIZE*2]; |
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| 396 | int finish_md_len; |
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| 397 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE*2]; |
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| 398 | int peer_finish_md_len; |
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| 399 | |
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| 400 | unsigned long message_size; |
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| 401 | int message_type; |
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| 402 | |
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| 403 | /* used to hold the new cipher we are going to use */ |
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| 404 | SSL_CIPHER *new_cipher; |
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| 405 | #ifndef OPENSSL_NO_DH |
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| 406 | DH *dh; |
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| 407 | #endif |
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| 408 | |
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| 409 | #ifndef OPENSSL_NO_ECDH |
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| 410 | EC_KEY *ecdh; /* holds short lived ECDH key */ |
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| 411 | #endif |
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| 412 | |
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| 413 | /* used when SSL_ST_FLUSH_DATA is entered */ |
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| 414 | int next_state; |
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| 415 | |
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| 416 | int reuse_message; |
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| 417 | |
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| 418 | /* used for certificate requests */ |
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| 419 | int cert_req; |
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| 420 | int ctype_num; |
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| 421 | char ctype[SSL3_CT_NUMBER]; |
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| 422 | STACK_OF(X509_NAME) *ca_names; |
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| 423 | |
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| 424 | int use_rsa_tmp; |
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| 425 | |
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| 426 | int key_block_length; |
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| 427 | unsigned char *key_block; |
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| 428 | |
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| 429 | const EVP_CIPHER *new_sym_enc; |
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| 430 | const EVP_MD *new_hash; |
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| 431 | #ifndef OPENSSL_NO_COMP |
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| 432 | const SSL_COMP *new_compression; |
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| 433 | #else |
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| 434 | char *new_compression; |
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| 435 | #endif |
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| 436 | int cert_request; |
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| 437 | } tmp; |
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| 438 | |
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| 439 | } SSL3_STATE; |
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| 440 | |
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| 441 | |
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| 442 | /* SSLv3 */ |
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| 443 | /*client */ |
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| 444 | /* extra state */ |
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| 445 | #define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT) |
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| 446 | /* write to server */ |
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| 447 | #define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT) |
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| 448 | #define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT) |
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| 449 | /* read from server */ |
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| 450 | #define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT) |
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| 451 | #define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT) |
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| 452 | #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A (0x126|SSL_ST_CONNECT) |
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| 453 | #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B (0x127|SSL_ST_CONNECT) |
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| 454 | #define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT) |
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| 455 | #define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT) |
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| 456 | #define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT) |
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| 457 | #define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT) |
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| 458 | #define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT) |
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| 459 | #define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT) |
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| 460 | #define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT) |
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| 461 | #define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT) |
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| 462 | /* write to server */ |
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| 463 | #define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT) |
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| 464 | #define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT) |
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| 465 | #define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT) |
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| 466 | #define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT) |
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| 467 | #define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT) |
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| 468 | #define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT) |
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| 469 | #define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT) |
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| 470 | #define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT) |
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| 471 | #define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT) |
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| 472 | #define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT) |
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| 473 | #define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT) |
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| 474 | #define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT) |
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| 475 | /* read from server */ |
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| 476 | #define SSL3_ST_CR_CHANGE_A (0x1C0|SSL_ST_CONNECT) |
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| 477 | #define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT) |
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| 478 | #define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT) |
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| 479 | #define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT) |
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| 480 | |
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| 481 | /* server */ |
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| 482 | /* extra state */ |
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| 483 | #define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT) |
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| 484 | /* read from client */ |
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| 485 | /* Do not change the number values, they do matter */ |
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| 486 | #define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT) |
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| 487 | #define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT) |
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| 488 | #define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT) |
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| 489 | /* write to client */ |
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| 490 | #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT) |
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| 491 | #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT) |
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| 492 | #define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT) |
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| 493 | #define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT) |
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| 494 | #define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT) |
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| 495 | #define SSL3_ST_SW_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT) |
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| 496 | #define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT) |
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| 497 | #define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT) |
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| 498 | #define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT) |
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| 499 | #define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT) |
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| 500 | #define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT) |
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| 501 | #define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT) |
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| 502 | #define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT) |
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| 503 | #define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT) |
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| 504 | #define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT) |
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| 505 | /* read from client */ |
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| 506 | #define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT) |
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| 507 | #define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT) |
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| 508 | #define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT) |
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| 509 | #define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT) |
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| 510 | #define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT) |
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| 511 | #define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT) |
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| 512 | #define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT) |
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| 513 | #define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT) |
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| 514 | #define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT) |
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| 515 | #define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT) |
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| 516 | /* write to client */ |
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| 517 | #define SSL3_ST_SW_CHANGE_A (0x1D0|SSL_ST_ACCEPT) |
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| 518 | #define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT) |
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| 519 | #define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT) |
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| 520 | #define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT) |
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| 521 | |
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| 522 | #define SSL3_MT_HELLO_REQUEST 0 |
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| 523 | #define SSL3_MT_CLIENT_HELLO 1 |
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| 524 | #define SSL3_MT_SERVER_HELLO 2 |
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| 525 | #define SSL3_MT_CERTIFICATE 11 |
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| 526 | #define SSL3_MT_SERVER_KEY_EXCHANGE 12 |
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| 527 | #define SSL3_MT_CERTIFICATE_REQUEST 13 |
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| 528 | #define SSL3_MT_SERVER_DONE 14 |
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| 529 | #define SSL3_MT_CERTIFICATE_VERIFY 15 |
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| 530 | #define SSL3_MT_CLIENT_KEY_EXCHANGE 16 |
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| 531 | #define SSL3_MT_FINISHED 20 |
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| 532 | #define DTLS1_MT_HELLO_VERIFY_REQUEST 3 |
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| 533 | |
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| 534 | |
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| 535 | #define SSL3_MT_CCS 1 |
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| 536 | |
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| 537 | /* These are used when changing over to a new cipher */ |
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| 538 | #define SSL3_CC_READ 0x01 |
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| 539 | #define SSL3_CC_WRITE 0x02 |
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| 540 | #define SSL3_CC_CLIENT 0x10 |
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| 541 | #define SSL3_CC_SERVER 0x20 |
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| 542 | #define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE) |
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| 543 | #define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ) |
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| 544 | #define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ) |
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| 545 | #define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE) |
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| 546 | |
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| 547 | #ifdef __cplusplus |
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| 548 | } |
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| 549 | #endif |
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| 550 | #endif |
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| 551 | |
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