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d02b48c6 | 1 | /* ssl/ssl2.h */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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 */ | |
58964a49 RE |
67 | #define SSL2_VERSION 0x0002 |
68 | #define SSL2_VERSION_MAJOR 0x00 | |
69 | #define SSL2_VERSION_MINOR 0x02 | |
6d02d8e4 BM |
70 | /* #define SSL2_CLIENT_VERSION 0x0002 */ |
71 | /* #define SSL2_SERVER_VERSION 0x0002 */ | |
d02b48c6 RE |
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 | #define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER (unsigned int)32767 | |
137 | #define SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER 16383 /**/ | |
138 | ||
139 | #define SSL2_CHALLENGE_LENGTH 16 | |
140 | /*#define SSL2_CHALLENGE_LENGTH 32 */ | |
141 | #define SSL2_MIN_CHALLENGE_LENGTH 16 | |
142 | #define SSL2_MAX_CHALLENGE_LENGTH 32 | |
143 | #define SSL2_CONNECTION_ID_LENGTH 16 | |
144 | #define SSL2_MAX_CONNECTION_ID_LENGTH 16 | |
145 | #define SSL2_SSL_SESSION_ID_LENGTH 16 | |
146 | #define SSL2_MAX_CERT_CHALLENGE_LENGTH 32 | |
147 | #define SSL2_MIN_CERT_CHALLENGE_LENGTH 16 | |
148 | #define SSL2_MAX_KEY_MATERIAL_LENGTH 24 | |
149 | ||
150 | #ifndef HEADER_SSL_LOCL_H | |
151 | #define CERT char | |
152 | #endif | |
153 | ||
154 | typedef struct ssl2_ctx_st | |
155 | { | |
d02b48c6 RE |
156 | int three_byte_header; |
157 | int clear_text; /* clear text */ | |
158 | int escape; /* not used in SSLv2 */ | |
159 | int ssl2_rollback; /* used if SSLv23 rolled back to SSLv2 */ | |
160 | ||
161 | /* non-blocking io info, used to make sure the same | |
162 | * args were passwd */ | |
163 | unsigned int wnum; /* number of bytes sent so far */ | |
164 | int wpend_tot; | |
e778802f | 165 | const char *wpend_buf; |
d02b48c6 RE |
166 | |
167 | int wpend_off; /* offset to data to write */ | |
168 | int wpend_len; /* number of bytes passwd to write */ | |
169 | int wpend_ret; /* number of bytes to return to caller */ | |
170 | ||
171 | /* buffer raw data */ | |
172 | int rbuf_left; | |
173 | int rbuf_offs; | |
174 | unsigned char *rbuf; | |
175 | unsigned char *wbuf; | |
176 | ||
177 | unsigned char *write_ptr;/* used to point to the start due to | |
178 | * 2/3 byte header. */ | |
179 | ||
180 | unsigned int padding; | |
181 | unsigned int rlength; /* passed to ssl2_enc */ | |
182 | int ract_data_length; /* Set when things are encrypted. */ | |
183 | unsigned int wlength; /* passed to ssl2_enc */ | |
184 | int wact_data_length; /* Set when things are decrypted. */ | |
185 | unsigned char *ract_data; | |
186 | unsigned char *wact_data; | |
187 | unsigned char *mac_data; | |
188 | unsigned char *pad_data; | |
189 | ||
190 | unsigned char *read_key; | |
191 | unsigned char *write_key; | |
192 | ||
193 | /* Stuff specifically to do with this SSL session */ | |
194 | unsigned int challenge_length; | |
195 | unsigned char challenge[SSL2_MAX_CHALLENGE_LENGTH]; | |
196 | unsigned int conn_id_length; | |
197 | unsigned char conn_id[SSL2_MAX_CONNECTION_ID_LENGTH]; | |
198 | unsigned int key_material_length; | |
199 | unsigned char key_material[SSL2_MAX_KEY_MATERIAL_LENGTH*2]; | |
200 | ||
201 | unsigned long read_sequence; | |
202 | unsigned long write_sequence; | |
203 | ||
204 | struct { | |
205 | unsigned int conn_id_length; | |
206 | unsigned int cert_type; | |
207 | unsigned int cert_length; | |
208 | int csl; | |
209 | int clear; | |
210 | unsigned int enc; | |
211 | unsigned char ccl[SSL2_MAX_CERT_CHALLENGE_LENGTH]; | |
212 | int cipher_spec_length; | |
213 | unsigned int session_id_length; | |
214 | unsigned int clen; | |
215 | unsigned int rlen; | |
216 | } tmp; | |
217 | } SSL2_CTX; | |
218 | ||
219 | /* SSLv2 */ | |
220 | /* client */ | |
221 | #define SSL2_ST_SEND_CLIENT_HELLO_A (0x10|SSL_ST_CONNECT) | |
222 | #define SSL2_ST_SEND_CLIENT_HELLO_B (0x11|SSL_ST_CONNECT) | |
223 | #define SSL2_ST_GET_SERVER_HELLO_A (0x20|SSL_ST_CONNECT) | |
224 | #define SSL2_ST_GET_SERVER_HELLO_B (0x21|SSL_ST_CONNECT) | |
225 | #define SSL2_ST_SEND_CLIENT_MASTER_KEY_A (0x30|SSL_ST_CONNECT) | |
226 | #define SSL2_ST_SEND_CLIENT_MASTER_KEY_B (0x31|SSL_ST_CONNECT) | |
227 | #define SSL2_ST_SEND_CLIENT_FINISHED_A (0x40|SSL_ST_CONNECT) | |
228 | #define SSL2_ST_SEND_CLIENT_FINISHED_B (0x41|SSL_ST_CONNECT) | |
229 | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_A (0x50|SSL_ST_CONNECT) | |
230 | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_B (0x51|SSL_ST_CONNECT) | |
231 | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_C (0x52|SSL_ST_CONNECT) | |
232 | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_D (0x53|SSL_ST_CONNECT) | |
233 | #define SSL2_ST_GET_SERVER_VERIFY_A (0x60|SSL_ST_CONNECT) | |
234 | #define SSL2_ST_GET_SERVER_VERIFY_B (0x61|SSL_ST_CONNECT) | |
235 | #define SSL2_ST_GET_SERVER_FINISHED_A (0x70|SSL_ST_CONNECT) | |
236 | #define SSL2_ST_GET_SERVER_FINISHED_B (0x71|SSL_ST_CONNECT) | |
237 | #define SSL2_ST_CLIENT_START_ENCRYPTION (0x80|SSL_ST_CONNECT) | |
238 | #define SSL2_ST_X509_GET_CLIENT_CERTIFICATE (0x90|SSL_ST_CONNECT) | |
239 | /* server */ | |
240 | #define SSL2_ST_GET_CLIENT_HELLO_A (0x10|SSL_ST_ACCEPT) | |
241 | #define SSL2_ST_GET_CLIENT_HELLO_B (0x11|SSL_ST_ACCEPT) | |
242 | #define SSL2_ST_GET_CLIENT_HELLO_C (0x12|SSL_ST_ACCEPT) | |
243 | #define SSL2_ST_SEND_SERVER_HELLO_A (0x20|SSL_ST_ACCEPT) | |
244 | #define SSL2_ST_SEND_SERVER_HELLO_B (0x21|SSL_ST_ACCEPT) | |
245 | #define SSL2_ST_GET_CLIENT_MASTER_KEY_A (0x30|SSL_ST_ACCEPT) | |
246 | #define SSL2_ST_GET_CLIENT_MASTER_KEY_B (0x31|SSL_ST_ACCEPT) | |
247 | #define SSL2_ST_SEND_SERVER_VERIFY_A (0x40|SSL_ST_ACCEPT) | |
248 | #define SSL2_ST_SEND_SERVER_VERIFY_B (0x41|SSL_ST_ACCEPT) | |
249 | #define SSL2_ST_SEND_SERVER_VERIFY_C (0x42|SSL_ST_ACCEPT) | |
250 | #define SSL2_ST_GET_CLIENT_FINISHED_A (0x50|SSL_ST_ACCEPT) | |
251 | #define SSL2_ST_GET_CLIENT_FINISHED_B (0x51|SSL_ST_ACCEPT) | |
252 | #define SSL2_ST_SEND_SERVER_FINISHED_A (0x60|SSL_ST_ACCEPT) | |
253 | #define SSL2_ST_SEND_SERVER_FINISHED_B (0x61|SSL_ST_ACCEPT) | |
254 | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_A (0x70|SSL_ST_ACCEPT) | |
255 | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_B (0x71|SSL_ST_ACCEPT) | |
256 | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_C (0x72|SSL_ST_ACCEPT) | |
257 | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_D (0x73|SSL_ST_ACCEPT) | |
258 | #define SSL2_ST_SERVER_START_ENCRYPTION (0x80|SSL_ST_ACCEPT) | |
259 | #define SSL2_ST_X509_GET_SERVER_CERTIFICATE (0x90|SSL_ST_ACCEPT) | |
260 | ||
261 | #ifdef __cplusplus | |
262 | } | |
263 | #endif | |
264 | #endif | |
265 |