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185 lines
5.8 KiB
185 lines
5.8 KiB
/* ssl/s23_lib.c */ |
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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* All rights reserved. |
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* |
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* This package is an SSL implementation written |
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* by Eric Young (eay@cryptsoft.com). |
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* The implementation was written so as to conform with Netscapes SSL. |
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* |
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* This library is free for commercial and non-commercial use as long as |
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* the following conditions are aheared to. The following conditions |
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* apply to all code found in this distribution, be it the RC4, RSA, |
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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* included with this distribution is covered by the same copyright terms |
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* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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* |
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* Copyright remains Eric Young's, and as such any Copyright notices in |
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* the code are not to be removed. |
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* If this package is used in a product, Eric Young should be given attribution |
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* as the author of the parts of the library used. |
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* This can be in the form of a textual message at program startup or |
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* in documentation (online or textual) provided with the package. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* "This product includes cryptographic software written by |
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* Eric Young (eay@cryptsoft.com)" |
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* The word 'cryptographic' can be left out if the rouines from the library |
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* being used are not cryptographic related :-). |
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* 4. If you include any Windows specific code (or a derivative thereof) from |
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* the apps directory (application code) you must include an acknowledgement: |
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* The licence and distribution terms for any publically available version or |
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* derivative of this code cannot be changed. i.e. this code cannot simply be |
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* copied and put under another distribution licence |
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* [including the GNU Public Licence.] |
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*/ |
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#include <stdio.h> |
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#include <openssl/objects.h> |
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#include "ssl_locl.h" |
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long ssl23_default_timeout(void) |
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{ |
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return (300); |
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} |
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int ssl23_num_ciphers(void) |
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{ |
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return (ssl3_num_ciphers() |
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#ifndef OPENSSL_NO_SSL2 |
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+ ssl2_num_ciphers() |
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#endif |
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); |
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} |
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const SSL_CIPHER *ssl23_get_cipher(unsigned int u) |
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{ |
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unsigned int uu = ssl3_num_ciphers(); |
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if (u < uu) |
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return (ssl3_get_cipher(u)); |
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else |
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#ifndef OPENSSL_NO_SSL2 |
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return (ssl2_get_cipher(u - uu)); |
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#else |
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return (NULL); |
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#endif |
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} |
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/* |
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* This function needs to check if the ciphers required are actually |
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* available |
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*/ |
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const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p) |
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{ |
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const SSL_CIPHER *cp; |
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cp = ssl3_get_cipher_by_char(p); |
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#ifndef OPENSSL_NO_SSL2 |
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if (cp == NULL) |
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cp = ssl2_get_cipher_by_char(p); |
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#endif |
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return (cp); |
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} |
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int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p) |
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{ |
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long l; |
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/* We can write SSLv2 and SSLv3 ciphers */ |
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/* but no ECC ciphers */ |
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if (c->algorithm_mkey == SSL_kECDHr || |
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c->algorithm_mkey == SSL_kECDHe || |
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c->algorithm_mkey == SSL_kEECDH || |
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c->algorithm_auth == SSL_aECDH || c->algorithm_auth == SSL_aECDSA) |
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return 0; |
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if (p != NULL) { |
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l = c->id; |
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p[0] = ((unsigned char)(l >> 16L)) & 0xFF; |
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p[1] = ((unsigned char)(l >> 8L)) & 0xFF; |
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p[2] = ((unsigned char)(l)) & 0xFF; |
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} |
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return (3); |
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} |
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int ssl23_read(SSL *s, void *buf, int len) |
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{ |
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int n; |
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clear_sys_error(); |
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if (SSL_in_init(s) && (!s->in_handshake)) { |
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n = s->handshake_func(s); |
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if (n < 0) |
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return (n); |
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if (n == 0) { |
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SSLerr(SSL_F_SSL23_READ, SSL_R_SSL_HANDSHAKE_FAILURE); |
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return (-1); |
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} |
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return (SSL_read(s, buf, len)); |
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} else { |
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ssl_undefined_function(s); |
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return (-1); |
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} |
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} |
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int ssl23_peek(SSL *s, void *buf, int len) |
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{ |
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int n; |
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clear_sys_error(); |
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if (SSL_in_init(s) && (!s->in_handshake)) { |
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n = s->handshake_func(s); |
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if (n < 0) |
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return (n); |
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if (n == 0) { |
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SSLerr(SSL_F_SSL23_PEEK, SSL_R_SSL_HANDSHAKE_FAILURE); |
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return (-1); |
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} |
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return (SSL_peek(s, buf, len)); |
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} else { |
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ssl_undefined_function(s); |
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return (-1); |
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} |
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} |
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int ssl23_write(SSL *s, const void *buf, int len) |
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{ |
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int n; |
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clear_sys_error(); |
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if (SSL_in_init(s) && (!s->in_handshake)) { |
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n = s->handshake_func(s); |
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if (n < 0) |
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return (n); |
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if (n == 0) { |
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SSLerr(SSL_F_SSL23_WRITE, SSL_R_SSL_HANDSHAKE_FAILURE); |
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return (-1); |
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} |
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return (SSL_write(s, buf, len)); |
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} else { |
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ssl_undefined_function(s); |
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return (-1); |
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} |
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}
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