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d02b48c6 | 1 | /* ssl/s23_lib.c */ |
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. | |
40720ce3 | 8 | * |
d02b48c6 RE |
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). | |
40720ce3 | 15 | * |
d02b48c6 RE |
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. | |
40720ce3 | 22 | * |
d02b48c6 RE |
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 :-). | |
40720ce3 | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40720ce3 | 40 | * |
d02b48c6 RE |
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. | |
40720ce3 | 52 | * |
d02b48c6 RE |
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 | #include <stdio.h> | |
ec577822 | 60 | #include <openssl/objects.h> |
d02b48c6 RE |
61 | #include "ssl_locl.h" |
62 | ||
222f2246 | 63 | long ssl23_default_timeout(void) |
40720ce3 MC |
64 | { |
65 | return (300); | |
66 | } | |
d02b48c6 | 67 | |
222f2246 | 68 | IMPLEMENT_ssl23_meth_func(sslv23_base_method, |
40720ce3 MC |
69 | ssl_undefined_function, |
70 | ssl_undefined_function, ssl_bad_method) | |
d02b48c6 | 71 | |
222f2246 | 72 | int ssl23_num_ciphers(void) |
40720ce3 MC |
73 | { |
74 | return (ssl3_num_ciphers() | |
bc36ee62 | 75 | #ifndef OPENSSL_NO_SSL2 |
40720ce3 | 76 | + ssl2_num_ciphers() |
aa82db4f | 77 | #endif |
40720ce3 MC |
78 | ); |
79 | } | |
d02b48c6 | 80 | |
222f2246 | 81 | SSL_CIPHER *ssl23_get_cipher(unsigned int u) |
40720ce3 MC |
82 | { |
83 | unsigned int uu = ssl3_num_ciphers(); | |
d02b48c6 | 84 | |
40720ce3 MC |
85 | if (u < uu) |
86 | return (ssl3_get_cipher(u)); | |
87 | else | |
bc36ee62 | 88 | #ifndef OPENSSL_NO_SSL2 |
40720ce3 | 89 | return (ssl2_get_cipher(u - uu)); |
aa82db4f | 90 | #else |
40720ce3 | 91 | return (NULL); |
aa82db4f | 92 | #endif |
40720ce3 | 93 | } |
d02b48c6 | 94 | |
40720ce3 MC |
95 | /* |
96 | * This function needs to check if the ciphers required are actually | |
97 | * available | |
98 | */ | |
222f2246 | 99 | SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p) |
40720ce3 MC |
100 | { |
101 | SSL_CIPHER *cp; | |
d02b48c6 | 102 | |
40720ce3 | 103 | cp = ssl3_get_cipher_by_char(p); |
bc36ee62 | 104 | #ifndef OPENSSL_NO_SSL2 |
40720ce3 MC |
105 | if (cp == NULL) |
106 | cp = ssl2_get_cipher_by_char(p); | |
aa82db4f | 107 | #endif |
40720ce3 MC |
108 | return (cp); |
109 | } | |
d02b48c6 | 110 | |
222f2246 | 111 | int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p) |
40720ce3 MC |
112 | { |
113 | long l; | |
114 | ||
115 | /* We can write SSLv2 and SSLv3 ciphers */ | |
116 | /* but no ECC ciphers */ | |
117 | if (c->algorithms & (SSL_ECDH | SSL_aECDSA)) | |
118 | return 0; | |
119 | if (p != NULL) { | |
120 | l = c->id; | |
121 | p[0] = ((unsigned char)(l >> 16L)) & 0xFF; | |
122 | p[1] = ((unsigned char)(l >> 8L)) & 0xFF; | |
123 | p[2] = ((unsigned char)(l)) & 0xFF; | |
124 | } | |
125 | return (3); | |
126 | } | |
d02b48c6 | 127 | |
222f2246 | 128 | int ssl23_read(SSL *s, void *buf, int len) |
40720ce3 MC |
129 | { |
130 | int n; | |
131 | ||
132 | clear_sys_error(); | |
133 | if (SSL_in_init(s) && (!s->in_handshake)) { | |
134 | n = s->handshake_func(s); | |
135 | if (n < 0) | |
136 | return (n); | |
137 | if (n == 0) { | |
138 | SSLerr(SSL_F_SSL23_READ, SSL_R_SSL_HANDSHAKE_FAILURE); | |
139 | return (-1); | |
140 | } | |
141 | return (SSL_read(s, buf, len)); | |
142 | } else { | |
143 | ssl_undefined_function(s); | |
144 | return (-1); | |
145 | } | |
146 | } | |
d02b48c6 | 147 | |
222f2246 | 148 | int ssl23_peek(SSL *s, void *buf, int len) |
40720ce3 MC |
149 | { |
150 | int n; | |
151 | ||
152 | clear_sys_error(); | |
153 | if (SSL_in_init(s) && (!s->in_handshake)) { | |
154 | n = s->handshake_func(s); | |
155 | if (n < 0) | |
156 | return (n); | |
157 | if (n == 0) { | |
158 | SSLerr(SSL_F_SSL23_PEEK, SSL_R_SSL_HANDSHAKE_FAILURE); | |
159 | return (-1); | |
160 | } | |
161 | return (SSL_peek(s, buf, len)); | |
162 | } else { | |
163 | ssl_undefined_function(s); | |
164 | return (-1); | |
165 | } | |
166 | } | |
5451e0d9 | 167 | |
222f2246 | 168 | int ssl23_write(SSL *s, const void *buf, int len) |
40720ce3 MC |
169 | { |
170 | int n; | |
171 | ||
172 | clear_sys_error(); | |
173 | if (SSL_in_init(s) && (!s->in_handshake)) { | |
174 | n = s->handshake_func(s); | |
175 | if (n < 0) | |
176 | return (n); | |
177 | if (n == 0) { | |
178 | SSLerr(SSL_F_SSL23_WRITE, SSL_R_SSL_HANDSHAKE_FAILURE); | |
179 | return (-1); | |
180 | } | |
181 | return (SSL_write(s, buf, len)); | |
182 | } else { | |
183 | ssl_undefined_function(s); | |
184 | return (-1); | |
185 | } | |
186 | } |