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56276539 SS |
1 | /* ssl/s23_lib.c */ |
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. | |
9eaaad39 | 8 | * |
56276539 SS |
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). | |
9eaaad39 | 15 | * |
56276539 SS |
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. | |
9eaaad39 | 22 | * |
56276539 SS |
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 :-). | |
9eaaad39 | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
56276539 SS |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
9eaaad39 | 40 | * |
56276539 SS |
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. | |
9eaaad39 | 52 | * |
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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> | |
60 | #include <openssl/objects.h> | |
61 | #include "ssl_locl.h" | |
62 | ||
5bd86ce5 | 63 | long ssl23_default_timeout(void) |
9eaaad39 SW |
64 | { |
65 | return (300); | |
66 | } | |
56276539 | 67 | |
5bd86ce5 | 68 | int ssl23_num_ciphers(void) |
9eaaad39 SW |
69 | { |
70 | return (ssl3_num_ciphers() | |
56276539 | 71 | #ifndef OPENSSL_NO_SSL2 |
9eaaad39 | 72 | + ssl2_num_ciphers() |
56276539 | 73 | #endif |
9eaaad39 SW |
74 | ); |
75 | } | |
56276539 | 76 | |
919b01cc | 77 | const SSL_CIPHER *ssl23_get_cipher(unsigned int u) |
9eaaad39 SW |
78 | { |
79 | unsigned int uu = ssl3_num_ciphers(); | |
56276539 | 80 | |
9eaaad39 SW |
81 | if (u < uu) |
82 | return (ssl3_get_cipher(u)); | |
83 | else | |
56276539 | 84 | #ifndef OPENSSL_NO_SSL2 |
9eaaad39 | 85 | return (ssl2_get_cipher(u - uu)); |
56276539 | 86 | #else |
9eaaad39 | 87 | return (NULL); |
56276539 | 88 | #endif |
9eaaad39 | 89 | } |
56276539 | 90 | |
9eaaad39 SW |
91 | /* |
92 | * This function needs to check if the ciphers required are actually | |
93 | * available | |
94 | */ | |
919b01cc | 95 | const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p) |
9eaaad39 SW |
96 | { |
97 | const SSL_CIPHER *cp; | |
56276539 | 98 | |
9eaaad39 | 99 | cp = ssl3_get_cipher_by_char(p); |
56276539 | 100 | #ifndef OPENSSL_NO_SSL2 |
9eaaad39 SW |
101 | if (cp == NULL) |
102 | cp = ssl2_get_cipher_by_char(p); | |
56276539 | 103 | #endif |
9eaaad39 SW |
104 | return (cp); |
105 | } | |
56276539 | 106 | |
5bd86ce5 | 107 | int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p) |
9eaaad39 SW |
108 | { |
109 | long l; | |
56276539 | 110 | |
9eaaad39 SW |
111 | /* We can write SSLv2 and SSLv3 ciphers */ |
112 | /* but no ECC ciphers */ | |
113 | if (c->algorithm_mkey == SSL_kECDHr || | |
114 | c->algorithm_mkey == SSL_kECDHe || | |
115 | c->algorithm_mkey == SSL_kEECDH || | |
116 | c->algorithm_auth == SSL_aECDH || c->algorithm_auth == SSL_aECDSA) | |
117 | return 0; | |
118 | if (p != NULL) { | |
119 | l = c->id; | |
120 | p[0] = ((unsigned char)(l >> 16L)) & 0xFF; | |
121 | p[1] = ((unsigned char)(l >> 8L)) & 0xFF; | |
122 | p[2] = ((unsigned char)(l)) & 0xFF; | |
123 | } | |
124 | return (3); | |
125 | } | |
56276539 | 126 | |
5bd86ce5 | 127 | int ssl23_read(SSL *s, void *buf, int len) |
9eaaad39 SW |
128 | { |
129 | int n; | |
56276539 | 130 | |
9eaaad39 SW |
131 | clear_sys_error(); |
132 | if (SSL_in_init(s) && (!s->in_handshake)) { | |
133 | n = s->handshake_func(s); | |
134 | if (n < 0) | |
135 | return (n); | |
136 | if (n == 0) { | |
137 | SSLerr(SSL_F_SSL23_READ, SSL_R_SSL_HANDSHAKE_FAILURE); | |
138 | return (-1); | |
139 | } | |
140 | return (SSL_read(s, buf, len)); | |
141 | } else { | |
142 | ssl_undefined_function(s); | |
143 | return (-1); | |
144 | } | |
145 | } | |
56276539 | 146 | |
5bd86ce5 | 147 | int ssl23_peek(SSL *s, void *buf, int len) |
9eaaad39 SW |
148 | { |
149 | int n; | |
56276539 | 150 | |
9eaaad39 SW |
151 | clear_sys_error(); |
152 | if (SSL_in_init(s) && (!s->in_handshake)) { | |
153 | n = s->handshake_func(s); | |
154 | if (n < 0) | |
155 | return (n); | |
156 | if (n == 0) { | |
157 | SSLerr(SSL_F_SSL23_PEEK, SSL_R_SSL_HANDSHAKE_FAILURE); | |
158 | return (-1); | |
159 | } | |
160 | return (SSL_peek(s, buf, len)); | |
161 | } else { | |
162 | ssl_undefined_function(s); | |
163 | return (-1); | |
164 | } | |
165 | } | |
56276539 | 166 | |
5bd86ce5 | 167 | int ssl23_write(SSL *s, const void *buf, int len) |
9eaaad39 SW |
168 | { |
169 | int n; | |
56276539 | 170 | |
9eaaad39 SW |
171 | clear_sys_error(); |
172 | if (SSL_in_init(s) && (!s->in_handshake)) { | |
173 | n = s->handshake_func(s); | |
174 | if (n < 0) | |
175 | return (n); | |
176 | if (n == 0) { | |
177 | SSLerr(SSL_F_SSL23_WRITE, SSL_R_SSL_HANDSHAKE_FAILURE); | |
178 | return (-1); | |
179 | } | |
180 | return (SSL_write(s, buf, len)); | |
181 | } else { | |
182 | ssl_undefined_function(s); | |
183 | return (-1); | |
184 | } | |
185 | } |