1 | /* ssl/ssl2.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 | #ifndef HEADER_SSL2_H |
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60 | #define HEADER_SSL2_H |
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61 | |
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62 | #ifdef __cplusplus |
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63 | extern "C" { |
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64 | #endif |
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65 | |
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66 | /* Protocol Version Codes */ |
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67 | #define SSL2_VERSION 0x0002 |
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68 | #define SSL2_VERSION_MAJOR 0x00 |
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69 | #define SSL2_VERSION_MINOR 0x02 |
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70 | /* #define SSL2_CLIENT_VERSION 0x0002 */ |
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71 | /* #define SSL2_SERVER_VERSION 0x0002 */ |
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72 | |
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73 | /* Protocol Message Codes */ |
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74 | #define SSL2_MT_ERROR 0 |
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75 | #define SSL2_MT_CLIENT_HELLO 1 |
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76 | #define SSL2_MT_CLIENT_MASTER_KEY 2 |
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77 | #define SSL2_MT_CLIENT_FINISHED 3 |
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78 | #define SSL2_MT_SERVER_HELLO 4 |
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79 | #define SSL2_MT_SERVER_VERIFY 5 |
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80 | #define SSL2_MT_SERVER_FINISHED 6 |
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81 | #define SSL2_MT_REQUEST_CERTIFICATE 7 |
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82 | #define SSL2_MT_CLIENT_CERTIFICATE 8 |
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83 | |
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84 | /* Error Message Codes */ |
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85 | #define SSL2_PE_UNDEFINED_ERROR 0x0000 |
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86 | #define SSL2_PE_NO_CIPHER 0x0001 |
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87 | #define SSL2_PE_NO_CERTIFICATE 0x0002 |
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88 | #define SSL2_PE_BAD_CERTIFICATE 0x0004 |
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89 | #define SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE 0x0006 |
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90 | |
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91 | /* Cipher Kind Values */ |
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92 | #define SSL2_CK_NULL_WITH_MD5 0x02000000 /* v3 */ |
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93 | #define SSL2_CK_RC4_128_WITH_MD5 0x02010080 |
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94 | #define SSL2_CK_RC4_128_EXPORT40_WITH_MD5 0x02020080 |
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95 | #define SSL2_CK_RC2_128_CBC_WITH_MD5 0x02030080 |
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96 | #define SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5 0x02040080 |
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97 | #define SSL2_CK_IDEA_128_CBC_WITH_MD5 0x02050080 |
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98 | #define SSL2_CK_DES_64_CBC_WITH_MD5 0x02060040 |
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99 | #define SSL2_CK_DES_64_CBC_WITH_SHA 0x02060140 /* v3 */ |
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100 | #define SSL2_CK_DES_192_EDE3_CBC_WITH_MD5 0x020700c0 |
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101 | #define SSL2_CK_DES_192_EDE3_CBC_WITH_SHA 0x020701c0 /* v3 */ |
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102 | #define SSL2_CK_RC4_64_WITH_MD5 0x02080080 /* MS hack */ |
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103 | |
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104 | #define SSL2_CK_DES_64_CFB64_WITH_MD5_1 0x02ff0800 /* SSLeay */ |
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105 | #define SSL2_CK_NULL 0x02ff0810 /* SSLeay */ |
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106 | |
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107 | #define SSL2_TXT_DES_64_CFB64_WITH_MD5_1 "DES-CFB-M1" |
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108 | #define SSL2_TXT_NULL_WITH_MD5 "NULL-MD5" |
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109 | #define SSL2_TXT_RC4_128_WITH_MD5 "RC4-MD5" |
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110 | #define SSL2_TXT_RC4_128_EXPORT40_WITH_MD5 "EXP-RC4-MD5" |
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111 | #define SSL2_TXT_RC2_128_CBC_WITH_MD5 "RC2-CBC-MD5" |
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112 | #define SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 "EXP-RC2-CBC-MD5" |
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113 | #define SSL2_TXT_IDEA_128_CBC_WITH_MD5 "IDEA-CBC-MD5" |
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114 | #define SSL2_TXT_DES_64_CBC_WITH_MD5 "DES-CBC-MD5" |
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115 | #define SSL2_TXT_DES_64_CBC_WITH_SHA "DES-CBC-SHA" |
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116 | #define SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5 "DES-CBC3-MD5" |
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117 | #define SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA "DES-CBC3-SHA" |
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118 | #define SSL2_TXT_RC4_64_WITH_MD5 "RC4-64-MD5" |
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119 | |
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120 | #define SSL2_TXT_NULL "NULL" |
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121 | |
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122 | /* Flags for the SSL_CIPHER.algorithm2 field */ |
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123 | #define SSL2_CF_5_BYTE_ENC 0x01 |
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124 | #define SSL2_CF_8_BYTE_ENC 0x02 |
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125 | |
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126 | /* Certificate Type Codes */ |
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127 | #define SSL2_CT_X509_CERTIFICATE 0x01 |
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128 | |
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129 | /* Authentication Type Code */ |
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130 | #define SSL2_AT_MD5_WITH_RSA_ENCRYPTION 0x01 |
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131 | |
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132 | #define SSL2_MAX_SSL_SESSION_ID_LENGTH 32 |
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133 | |
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134 | /* Upper/Lower Bounds */ |
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135 | #define SSL2_MAX_MASTER_KEY_LENGTH_IN_BITS 256 |
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136 | #ifdef OPENSSL_SYS_MPE |
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137 | #define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 29998u |
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138 | #else |
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139 | #define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 32767u /* 2^15-1 */ |
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140 | #endif |
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141 | #define SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER 16383 /* 2^14-1 */ |
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142 | |
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143 | #define SSL2_CHALLENGE_LENGTH 16 |
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144 | /*#define SSL2_CHALLENGE_LENGTH 32 */ |
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145 | #define SSL2_MIN_CHALLENGE_LENGTH 16 |
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146 | #define SSL2_MAX_CHALLENGE_LENGTH 32 |
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147 | #define SSL2_CONNECTION_ID_LENGTH 16 |
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148 | #define SSL2_MAX_CONNECTION_ID_LENGTH 16 |
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149 | #define SSL2_SSL_SESSION_ID_LENGTH 16 |
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150 | #define SSL2_MAX_CERT_CHALLENGE_LENGTH 32 |
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151 | #define SSL2_MIN_CERT_CHALLENGE_LENGTH 16 |
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152 | #define SSL2_MAX_KEY_MATERIAL_LENGTH 24 |
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153 | |
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154 | #ifndef HEADER_SSL_LOCL_H |
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155 | #define CERT char |
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156 | #endif |
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157 | |
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158 | typedef struct ssl2_state_st |
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159 | { |
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160 | int three_byte_header; |
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161 | int clear_text; /* clear text */ |
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162 | int escape; /* not used in SSLv2 */ |
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163 | int ssl2_rollback; /* used if SSLv23 rolled back to SSLv2 */ |
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164 | |
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165 | /* non-blocking io info, used to make sure the same |
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166 | * args were passwd */ |
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167 | unsigned int wnum; /* number of bytes sent so far */ |
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168 | int wpend_tot; |
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169 | const unsigned char *wpend_buf; |
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170 | |
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171 | int wpend_off; /* offset to data to write */ |
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172 | int wpend_len; /* number of bytes passwd to write */ |
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173 | int wpend_ret; /* number of bytes to return to caller */ |
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174 | |
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175 | /* buffer raw data */ |
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176 | int rbuf_left; |
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177 | int rbuf_offs; |
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178 | unsigned char *rbuf; |
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179 | unsigned char *wbuf; |
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180 | |
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181 | unsigned char *write_ptr;/* used to point to the start due to |
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182 | * 2/3 byte header. */ |
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183 | |
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184 | unsigned int padding; |
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185 | unsigned int rlength; /* passed to ssl2_enc */ |
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186 | int ract_data_length; /* Set when things are encrypted. */ |
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187 | unsigned int wlength; /* passed to ssl2_enc */ |
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188 | int wact_data_length; /* Set when things are decrypted. */ |
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189 | unsigned char *ract_data; |
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190 | unsigned char *wact_data; |
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191 | unsigned char *mac_data; |
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192 | |
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193 | unsigned char *read_key; |
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194 | unsigned char *write_key; |
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195 | |
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196 | /* Stuff specifically to do with this SSL session */ |
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197 | unsigned int challenge_length; |
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198 | unsigned char challenge[SSL2_MAX_CHALLENGE_LENGTH]; |
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199 | unsigned int conn_id_length; |
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200 | unsigned char conn_id[SSL2_MAX_CONNECTION_ID_LENGTH]; |
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201 | unsigned int key_material_length; |
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202 | unsigned char key_material[SSL2_MAX_KEY_MATERIAL_LENGTH*2]; |
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203 | |
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204 | unsigned long read_sequence; |
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205 | unsigned long write_sequence; |
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206 | |
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207 | struct { |
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208 | unsigned int conn_id_length; |
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209 | unsigned int cert_type; |
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210 | unsigned int cert_length; |
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211 | unsigned int csl; |
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212 | unsigned int clear; |
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213 | unsigned int enc; |
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214 | unsigned char ccl[SSL2_MAX_CERT_CHALLENGE_LENGTH]; |
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215 | unsigned int cipher_spec_length; |
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216 | unsigned int session_id_length; |
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217 | unsigned int clen; |
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218 | unsigned int rlen; |
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219 | } tmp; |
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220 | } SSL2_STATE; |
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221 | |
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222 | /* SSLv2 */ |
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223 | /* client */ |
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224 | #define SSL2_ST_SEND_CLIENT_HELLO_A (0x10|SSL_ST_CONNECT) |
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225 | #define SSL2_ST_SEND_CLIENT_HELLO_B (0x11|SSL_ST_CONNECT) |
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226 | #define SSL2_ST_GET_SERVER_HELLO_A (0x20|SSL_ST_CONNECT) |
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227 | #define SSL2_ST_GET_SERVER_HELLO_B (0x21|SSL_ST_CONNECT) |
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228 | #define SSL2_ST_SEND_CLIENT_MASTER_KEY_A (0x30|SSL_ST_CONNECT) |
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229 | #define SSL2_ST_SEND_CLIENT_MASTER_KEY_B (0x31|SSL_ST_CONNECT) |
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230 | #define SSL2_ST_SEND_CLIENT_FINISHED_A (0x40|SSL_ST_CONNECT) |
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231 | #define SSL2_ST_SEND_CLIENT_FINISHED_B (0x41|SSL_ST_CONNECT) |
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232 | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_A (0x50|SSL_ST_CONNECT) |
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233 | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_B (0x51|SSL_ST_CONNECT) |
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234 | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_C (0x52|SSL_ST_CONNECT) |
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235 | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_D (0x53|SSL_ST_CONNECT) |
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236 | #define SSL2_ST_GET_SERVER_VERIFY_A (0x60|SSL_ST_CONNECT) |
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237 | #define SSL2_ST_GET_SERVER_VERIFY_B (0x61|SSL_ST_CONNECT) |
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238 | #define SSL2_ST_GET_SERVER_FINISHED_A (0x70|SSL_ST_CONNECT) |
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239 | #define SSL2_ST_GET_SERVER_FINISHED_B (0x71|SSL_ST_CONNECT) |
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240 | #define SSL2_ST_CLIENT_START_ENCRYPTION (0x80|SSL_ST_CONNECT) |
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241 | #define SSL2_ST_X509_GET_CLIENT_CERTIFICATE (0x90|SSL_ST_CONNECT) |
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242 | /* server */ |
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243 | #define SSL2_ST_GET_CLIENT_HELLO_A (0x10|SSL_ST_ACCEPT) |
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244 | #define SSL2_ST_GET_CLIENT_HELLO_B (0x11|SSL_ST_ACCEPT) |
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245 | #define SSL2_ST_GET_CLIENT_HELLO_C (0x12|SSL_ST_ACCEPT) |
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246 | #define SSL2_ST_SEND_SERVER_HELLO_A (0x20|SSL_ST_ACCEPT) |
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247 | #define SSL2_ST_SEND_SERVER_HELLO_B (0x21|SSL_ST_ACCEPT) |
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248 | #define SSL2_ST_GET_CLIENT_MASTER_KEY_A (0x30|SSL_ST_ACCEPT) |
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249 | #define SSL2_ST_GET_CLIENT_MASTER_KEY_B (0x31|SSL_ST_ACCEPT) |
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250 | #define SSL2_ST_SEND_SERVER_VERIFY_A (0x40|SSL_ST_ACCEPT) |
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251 | #define SSL2_ST_SEND_SERVER_VERIFY_B (0x41|SSL_ST_ACCEPT) |
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252 | #define SSL2_ST_SEND_SERVER_VERIFY_C (0x42|SSL_ST_ACCEPT) |
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253 | #define SSL2_ST_GET_CLIENT_FINISHED_A (0x50|SSL_ST_ACCEPT) |
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254 | #define SSL2_ST_GET_CLIENT_FINISHED_B (0x51|SSL_ST_ACCEPT) |
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255 | #define SSL2_ST_SEND_SERVER_FINISHED_A (0x60|SSL_ST_ACCEPT) |
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256 | #define SSL2_ST_SEND_SERVER_FINISHED_B (0x61|SSL_ST_ACCEPT) |
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257 | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_A (0x70|SSL_ST_ACCEPT) |
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258 | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_B (0x71|SSL_ST_ACCEPT) |
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259 | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_C (0x72|SSL_ST_ACCEPT) |
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260 | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_D (0x73|SSL_ST_ACCEPT) |
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261 | #define SSL2_ST_SERVER_START_ENCRYPTION (0x80|SSL_ST_ACCEPT) |
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262 | #define SSL2_ST_X509_GET_SERVER_CERTIFICATE (0x90|SSL_ST_ACCEPT) |
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263 | |
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264 | #ifdef __cplusplus |
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265 | } |
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266 | #endif |
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267 | #endif |
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268 | |
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