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