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Current File : //usr/src/crypto/openssl/ssl/s23_lib.c |
/* 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); } IMPLEMENT_ssl23_meth_func(sslv23_base_method, ssl_undefined_function, ssl_undefined_function, ssl_bad_method) int ssl23_num_ciphers(void) { return(ssl3_num_ciphers() #ifndef OPENSSL_NO_SSL2 + ssl2_num_ciphers() #endif ); } 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 */ SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p) { 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 */ 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); } }