diff options
Diffstat (limited to 'crypto/openssl/ssl/s23_lib.c')
| -rw-r--r-- | crypto/openssl/ssl/s23_lib.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/crypto/openssl/ssl/s23_lib.c b/crypto/openssl/ssl/s23_lib.c new file mode 100644 index 0000000..822a395 --- /dev/null +++ b/crypto/openssl/ssl/s23_lib.c @@ -0,0 +1,213 @@ +/* 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" + +static int ssl23_num_ciphers(void ); +static SSL_CIPHER *ssl23_get_cipher(unsigned int u); +static int ssl23_read(SSL *s, void *buf, int len); +static int ssl23_write(SSL *s, const void *buf, int len); +static long ssl23_default_timeout(void ); +static int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); +static SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); +char *SSL23_version_str="SSLv2/3 compatibility" OPENSSL_VERSION_PTEXT; + +static SSL_METHOD SSLv23_data= { + TLS1_VERSION, + tls1_new, + tls1_clear, + tls1_free, + ssl_undefined_function, + ssl_undefined_function, + ssl23_read, + (int (*)(struct ssl_st *, char *, int))ssl_undefined_function, + ssl23_write, + ssl_undefined_function, + ssl_undefined_function, + ssl_ok, + ssl3_ctrl, + ssl3_ctx_ctrl, + ssl23_get_cipher_by_char, + ssl23_put_cipher_by_char, + ssl_undefined_function, + ssl23_num_ciphers, + ssl23_get_cipher, + ssl_bad_method, + ssl23_default_timeout, + &ssl3_undef_enc_method, + }; + +static long ssl23_default_timeout(void) + { + return(300); + } + +SSL_METHOD *sslv23_base_method(void) + { + return(&SSLv23_data); + } + +static int ssl23_num_ciphers(void) + { + return(ssl3_num_ciphers()+ssl2_num_ciphers()); + } + +static SSL_CIPHER *ssl23_get_cipher(unsigned int u) + { + unsigned int uu=ssl3_num_ciphers(); + + if (u < uu) + return(ssl3_get_cipher(u)); + else + return(ssl2_get_cipher(u-uu)); + } + +/* This function needs to check if the ciphers required are actually + * available */ +static SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p) + { + SSL_CIPHER c,*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); + if (cp == NULL) + cp=ssl2_get_cipher_by_char(p); + return(cp); + } + +static 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); + } + +static int ssl23_read(SSL *s, void *buf, int len) + { + int n; + +#if 0 + if (s->shutdown & SSL_RECEIVED_SHUTDOWN) + { + s->rwstate=SSL_NOTHING; + return(0); + } +#endif + 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); + } + } + +static int ssl23_write(SSL *s, const void *buf, int len) + { + int n; + +#if 0 + if (s->shutdown & SSL_SENT_SHUTDOWN) + { + s->rwstate=SSL_NOTHING; + return(0); + } +#endif + 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); + } + } |
