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| 1 /* ssl/ssl2.h */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 11 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 18 * If this package is used in a product, Eric Young should be given attribution | |
| 19 * as the author of the parts of the library used. | |
| 20 * This can be in the form of a textual message at program startup or | |
| 21 * in documentation (online or textual) provided with the package. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 * the apps directory (application code) you must include an acknowledgement: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 53 * The licence and distribution terms for any publically available version or | |
| 54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 | |
| 59 #ifndef HEADER_SSL2_H | |
| 60 #define HEADER_SSL2_H | |
| 61 | |
| 62 #ifdef __cplusplus | |
| 63 extern "C" { | |
| 64 #endif | |
| 65 | |
| 66 /* Protocol Version Codes */ | |
| 67 #define SSL2_VERSION 0x0002 | |
| 68 #define SSL2_VERSION_MAJOR 0x00 | |
| 69 #define SSL2_VERSION_MINOR 0x02 | |
| 70 /* #define SSL2_CLIENT_VERSION 0x0002 */ | |
| 71 /* #define SSL2_SERVER_VERSION 0x0002 */ | |
| 72 | |
| 73 /* Protocol Message Codes */ | |
| 74 #define SSL2_MT_ERROR 0 | |
| 75 #define SSL2_MT_CLIENT_HELLO 1 | |
| 76 #define SSL2_MT_CLIENT_MASTER_KEY 2 | |
| 77 #define SSL2_MT_CLIENT_FINISHED 3 | |
| 78 #define SSL2_MT_SERVER_HELLO 4 | |
| 79 #define SSL2_MT_SERVER_VERIFY 5 | |
| 80 #define SSL2_MT_SERVER_FINISHED 6 | |
| 81 #define SSL2_MT_REQUEST_CERTIFICATE 7 | |
| 82 #define SSL2_MT_CLIENT_CERTIFICATE 8 | |
| 83 | |
| 84 /* Error Message Codes */ | |
| 85 #define SSL2_PE_UNDEFINED_ERROR 0x0000 | |
| 86 #define SSL2_PE_NO_CIPHER 0x0001 | |
| 87 #define SSL2_PE_NO_CERTIFICATE 0x0002 | |
| 88 #define SSL2_PE_BAD_CERTIFICATE 0x0004 | |
| 89 #define SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE 0x0006 | |
| 90 | |
| 91 /* Cipher Kind Values */ | |
| 92 #define SSL2_CK_NULL_WITH_MD5 0x02000000 /* v3 */ | |
| 93 #define SSL2_CK_RC4_128_WITH_MD5 0x02010080 | |
| 94 #define SSL2_CK_RC4_128_EXPORT40_WITH_MD5 0x02020080 | |
| 95 #define SSL2_CK_RC2_128_CBC_WITH_MD5 0x02030080 | |
| 96 #define SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5 0x02040080 | |
| 97 #define SSL2_CK_IDEA_128_CBC_WITH_MD5 0x02050080 | |
| 98 #define SSL2_CK_DES_64_CBC_WITH_MD5 0x02060040 | |
| 99 #define SSL2_CK_DES_64_CBC_WITH_SHA 0x02060140 /* v3 */ | |
| 100 #define SSL2_CK_DES_192_EDE3_CBC_WITH_MD5 0x020700c0 | |
| 101 #define SSL2_CK_DES_192_EDE3_CBC_WITH_SHA 0x020701c0 /* v3 */ | |
| 102 #define SSL2_CK_RC4_64_WITH_MD5 0x02080080 /* MS hack */ | |
| 103 | |
| 104 #define SSL2_CK_DES_64_CFB64_WITH_MD5_1 0x02ff0800 /* SSLeay */ | |
| 105 #define SSL2_CK_NULL 0x02ff0810 /* SSLeay */ | |
| 106 | |
| 107 #define SSL2_TXT_DES_64_CFB64_WITH_MD5_1 "DES-CFB-M1" | |
| 108 #define SSL2_TXT_NULL_WITH_MD5 "NULL-MD5" | |
| 109 #define SSL2_TXT_RC4_128_WITH_MD5 "RC4-MD5" | |
| 110 #define SSL2_TXT_RC4_128_EXPORT40_WITH_MD5 "EXP-RC4-MD5" | |
| 111 #define SSL2_TXT_RC2_128_CBC_WITH_MD5 "RC2-CBC-MD5" | |
| 112 #define SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 "EXP-RC2-CBC-MD5" | |
| 113 #define SSL2_TXT_IDEA_128_CBC_WITH_MD5 "IDEA-CBC-MD5" | |
| 114 #define SSL2_TXT_DES_64_CBC_WITH_MD5 "DES-CBC-MD5" | |
| 115 #define SSL2_TXT_DES_64_CBC_WITH_SHA "DES-CBC-SHA" | |
| 116 #define SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5 "DES-CBC3-MD5" | |
| 117 #define SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA "DES-CBC3-SHA" | |
| 118 #define SSL2_TXT_RC4_64_WITH_MD5 "RC4-64-MD5" | |
| 119 | |
| 120 #define SSL2_TXT_NULL "NULL" | |
| 121 | |
| 122 /* Flags for the SSL_CIPHER.algorithm2 field */ | |
| 123 #define SSL2_CF_5_BYTE_ENC 0x01 | |
| 124 #define SSL2_CF_8_BYTE_ENC 0x02 | |
| 125 | |
| 126 /* Certificate Type Codes */ | |
| 127 #define SSL2_CT_X509_CERTIFICATE 0x01 | |
| 128 | |
| 129 /* Authentication Type Code */ | |
| 130 #define SSL2_AT_MD5_WITH_RSA_ENCRYPTION 0x01 | |
| 131 | |
| 132 #define SSL2_MAX_SSL_SESSION_ID_LENGTH 32 | |
| 133 | |
| 134 /* Upper/Lower Bounds */ | |
| 135 #define SSL2_MAX_MASTER_KEY_LENGTH_IN_BITS 256 | |
| 136 #ifdef OPENSSL_SYS_MPE | |
| 137 #define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 29998u | |
| 138 #else | |
| 139 #define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 32767u /* 2^15-1 */ | |
| 140 #endif | |
| 141 #define SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER 16383 /* 2^14-1 */ | |
| 142 | |
| 143 #define SSL2_CHALLENGE_LENGTH 16 | |
| 144 /*#define SSL2_CHALLENGE_LENGTH 32 */ | |
| 145 #define SSL2_MIN_CHALLENGE_LENGTH 16 | |
| 146 #define SSL2_MAX_CHALLENGE_LENGTH 32 | |
| 147 #define SSL2_CONNECTION_ID_LENGTH 16 | |
| 148 #define SSL2_MAX_CONNECTION_ID_LENGTH 16 | |
| 149 #define SSL2_SSL_SESSION_ID_LENGTH 16 | |
| 150 #define SSL2_MAX_CERT_CHALLENGE_LENGTH 32 | |
| 151 #define SSL2_MIN_CERT_CHALLENGE_LENGTH 16 | |
| 152 #define SSL2_MAX_KEY_MATERIAL_LENGTH 24 | |
| 153 | |
| 154 #ifndef HEADER_SSL_LOCL_H | |
| 155 #define CERT char | |
| 156 #endif | |
| 157 | |
| 158 #ifndef OPENSSL_NO_SSL_INTERN | |
| 159 | |
| 160 typedef struct ssl2_state_st | |
| 161 { | |
| 162 int three_byte_header; | |
| 163 int clear_text; /* clear text */ | |
| 164 int escape; /* not used in SSLv2 */ | |
| 165 int ssl2_rollback; /* used if SSLv23 rolled back to SSLv2 */ | |
| 166 | |
| 167 /* non-blocking io info, used to make sure the same | |
| 168 * args were passwd */ | |
| 169 unsigned int wnum; /* number of bytes sent so far */ | |
| 170 int wpend_tot; | |
| 171 const unsigned char *wpend_buf; | |
| 172 | |
| 173 int wpend_off; /* offset to data to write */ | |
| 174 int wpend_len; /* number of bytes passwd to write */ | |
| 175 int wpend_ret; /* number of bytes to return to caller */ | |
| 176 | |
| 177 /* buffer raw data */ | |
| 178 int rbuf_left; | |
| 179 int rbuf_offs; | |
| 180 unsigned char *rbuf; | |
| 181 unsigned char *wbuf; | |
| 182 | |
| 183 unsigned char *write_ptr;/* used to point to the start due to | |
| 184 * 2/3 byte header. */ | |
| 185 | |
| 186 unsigned int padding; | |
| 187 unsigned int rlength; /* passed to ssl2_enc */ | |
| 188 int ract_data_length; /* Set when things are encrypted. */ | |
| 189 unsigned int wlength; /* passed to ssl2_enc */ | |
| 190 int wact_data_length; /* Set when things are decrypted. */ | |
| 191 unsigned char *ract_data; | |
| 192 unsigned char *wact_data; | |
| 193 unsigned char *mac_data; | |
| 194 | |
| 195 unsigned char *read_key; | |
| 196 unsigned char *write_key; | |
| 197 | |
| 198 /* Stuff specifically to do with this SSL session */ | |
| 199 unsigned int challenge_length; | |
| 200 unsigned char challenge[SSL2_MAX_CHALLENGE_LENGTH]; | |
| 201 unsigned int conn_id_length; | |
| 202 unsigned char conn_id[SSL2_MAX_CONNECTION_ID_LENGTH]; | |
| 203 unsigned int key_material_length; | |
| 204 unsigned char key_material[SSL2_MAX_KEY_MATERIAL_LENGTH*2]; | |
| 205 | |
| 206 unsigned long read_sequence; | |
| 207 unsigned long write_sequence; | |
| 208 | |
| 209 struct { | |
| 210 unsigned int conn_id_length; | |
| 211 unsigned int cert_type; | |
| 212 unsigned int cert_length; | |
| 213 unsigned int csl; | |
| 214 unsigned int clear; | |
| 215 unsigned int enc; | |
| 216 unsigned char ccl[SSL2_MAX_CERT_CHALLENGE_LENGTH]; | |
| 217 unsigned int cipher_spec_length; | |
| 218 unsigned int session_id_length; | |
| 219 unsigned int clen; | |
| 220 unsigned int rlen; | |
| 221 } tmp; | |
| 222 } SSL2_STATE; | |
| 223 | |
| 224 #endif | |
| 225 | |
| 226 /* SSLv2 */ | |
| 227 /* client */ | |
| 228 #define SSL2_ST_SEND_CLIENT_HELLO_A (0x10|SSL_ST_CONNECT) | |
| 229 #define SSL2_ST_SEND_CLIENT_HELLO_B (0x11|SSL_ST_CONNECT) | |
| 230 #define SSL2_ST_GET_SERVER_HELLO_A (0x20|SSL_ST_CONNECT) | |
| 231 #define SSL2_ST_GET_SERVER_HELLO_B (0x21|SSL_ST_CONNECT) | |
| 232 #define SSL2_ST_SEND_CLIENT_MASTER_KEY_A (0x30|SSL_ST_CONNECT) | |
| 233 #define SSL2_ST_SEND_CLIENT_MASTER_KEY_B (0x31|SSL_ST_CONNECT) | |
| 234 #define SSL2_ST_SEND_CLIENT_FINISHED_A (0x40|SSL_ST_CONNECT) | |
| 235 #define SSL2_ST_SEND_CLIENT_FINISHED_B (0x41|SSL_ST_CONNECT) | |
| 236 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_A (0x50|SSL_ST_CONNECT) | |
| 237 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_B (0x51|SSL_ST_CONNECT) | |
| 238 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_C (0x52|SSL_ST_CONNECT) | |
| 239 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_D (0x53|SSL_ST_CONNECT) | |
| 240 #define SSL2_ST_GET_SERVER_VERIFY_A (0x60|SSL_ST_CONNECT) | |
| 241 #define SSL2_ST_GET_SERVER_VERIFY_B (0x61|SSL_ST_CONNECT) | |
| 242 #define SSL2_ST_GET_SERVER_FINISHED_A (0x70|SSL_ST_CONNECT) | |
| 243 #define SSL2_ST_GET_SERVER_FINISHED_B (0x71|SSL_ST_CONNECT) | |
| 244 #define SSL2_ST_CLIENT_START_ENCRYPTION (0x80|SSL_ST_CONNECT) | |
| 245 #define SSL2_ST_X509_GET_CLIENT_CERTIFICATE (0x90|SSL_ST_CONNECT) | |
| 246 /* server */ | |
| 247 #define SSL2_ST_GET_CLIENT_HELLO_A (0x10|SSL_ST_ACCEPT) | |
| 248 #define SSL2_ST_GET_CLIENT_HELLO_B (0x11|SSL_ST_ACCEPT) | |
| 249 #define SSL2_ST_GET_CLIENT_HELLO_C (0x12|SSL_ST_ACCEPT) | |
| 250 #define SSL2_ST_SEND_SERVER_HELLO_A (0x20|SSL_ST_ACCEPT) | |
| 251 #define SSL2_ST_SEND_SERVER_HELLO_B (0x21|SSL_ST_ACCEPT) | |
| 252 #define SSL2_ST_GET_CLIENT_MASTER_KEY_A (0x30|SSL_ST_ACCEPT) | |
| 253 #define SSL2_ST_GET_CLIENT_MASTER_KEY_B (0x31|SSL_ST_ACCEPT) | |
| 254 #define SSL2_ST_SEND_SERVER_VERIFY_A (0x40|SSL_ST_ACCEPT) | |
| 255 #define SSL2_ST_SEND_SERVER_VERIFY_B (0x41|SSL_ST_ACCEPT) | |
| 256 #define SSL2_ST_SEND_SERVER_VERIFY_C (0x42|SSL_ST_ACCEPT) | |
| 257 #define SSL2_ST_GET_CLIENT_FINISHED_A (0x50|SSL_ST_ACCEPT) | |
| 258 #define SSL2_ST_GET_CLIENT_FINISHED_B (0x51|SSL_ST_ACCEPT) | |
| 259 #define SSL2_ST_SEND_SERVER_FINISHED_A (0x60|SSL_ST_ACCEPT) | |
| 260 #define SSL2_ST_SEND_SERVER_FINISHED_B (0x61|SSL_ST_ACCEPT) | |
| 261 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_A (0x70|SSL_ST_ACCEPT) | |
| 262 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_B (0x71|SSL_ST_ACCEPT) | |
| 263 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_C (0x72|SSL_ST_ACCEPT) | |
| 264 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_D (0x73|SSL_ST_ACCEPT) | |
| 265 #define SSL2_ST_SERVER_START_ENCRYPTION (0x80|SSL_ST_ACCEPT) | |
| 266 #define SSL2_ST_X509_GET_SERVER_CERTIFICATE (0x90|SSL_ST_ACCEPT) | |
| 267 | |
| 268 #ifdef __cplusplus | |
| 269 } | |
| 270 #endif | |
| 271 #endif | |
| 272 | |
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