| /* 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) |
| { |
| SSL_CIPHER c; |
| const SSL_CIPHER *cp; |
| unsigned long id; |
| int n; |
| |
| n=ssl3_num_ciphers(); |
| id=0x03000000|((unsigned long)p[0]<<16L)| |
| ((unsigned long)p[1]<<8L)|(unsigned long)p[2]; |
| c.id=id; |
| 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); |
| } |
| } |