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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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