s2_lib.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* 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
* 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 "ssl_locl.h"
#ifndef OPENSSL_NO_SSL2
#include <stdio.h>
static long ssl2_default_timeout(void );
/* NULL_WITH_MD5 v3 */
#if 0
{
1,
0,
0,
0,
},
#endif
/* RC4_128_EXPORT40_WITH_MD5 */
{
1,
40,
128,
},
/* RC4_128_WITH_MD5 */
{
1,
0,
128,
128,
},
/* RC2_128_CBC_EXPORT40_WITH_MD5 */
{
1,
40,
128,
},
/* RC2_128_CBC_WITH_MD5 */
{
1,
0,
128,
128,
},
/* IDEA_128_CBC_WITH_MD5 */
#ifndef OPENSSL_NO_IDEA
{
1,
0,
128,
128,
},
#endif
/* DES_64_CBC_WITH_MD5 */
{
1,
0,
56,
56,
},
/* DES_192_EDE3_CBC_WITH_MD5 */
{
1,
0,
168,
168,
},
/* RC4_64_WITH_MD5 */
#if 1
{
1,
64,
64,
},
#endif
/* NULL SSLeay (testing) */
#if 0
{
0,
0,
0,
0,
0,
},
#endif
/* end of list :-) */
};
static SSL_METHOD SSLv2_data= {
ssl2_new, /* local */
ssl2_clear, /* local */
ssl2_free, /* local */
ssl_ok, /* NULL - renegotiate */
ssl_ok, /* NULL - check renegotiate */
ssl2_ctrl, /* local */
ssl2_ctx_ctrl, /* local */
ssl2_callback_ctrl, /* local */
ssl2_ctx_callback_ctrl, /* local */
};
static long ssl2_default_timeout(void)
{
return(300);
}
SSL_METHOD *sslv2_base_method(void)
{
return(&SSLv2_data);
}
int ssl2_num_ciphers(void)
{
return(SSL2_NUM_CIPHERS);
}
SSL_CIPHER *ssl2_get_cipher(unsigned int u)
{
if (u < SSL2_NUM_CIPHERS)
else
return(NULL);
}
int ssl2_pending(SSL *s)
{
}
{
SSL2_STATE *s2;
# error "assertion failed"
#endif
/* wbuf needs one byte more because when using two-byte headers,
* we leave the first byte unused in do_ssl_write (s2_pkt.c) */
ssl2_clear(s);
return(1);
err:
{
}
return(0);
}
{
SSL2_STATE *s2;
if(s == NULL)
return;
}
void ssl2_clear(SSL *s)
{
SSL2_STATE *s2;
s->version=SSL2_VERSION;
s->packet_length=0;
}
{
int ret=0;
switch(cmd)
{
break;
default:
break;
}
return(ret);
}
{
return(0);
}
{
return(0);
}
{
return(0);
}
/* This function needs to check if the ciphers required are actually
* available */
SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p)
{
static int init=1;
unsigned long id;
int i;
if (init)
{
if (init)
{
for (i=0; i<SSL2_NUM_CIPHERS; i++)
sorted[i]= &(ssl2_ciphers[i]);
SSL2_NUM_CIPHERS,sizeof(SSL_CIPHER *),
init=0;
}
}
((unsigned long)p[1]<<8L)|(unsigned long)p[2];
(char *)sorted,
SSL2_NUM_CIPHERS,sizeof(SSL_CIPHER *),
return(NULL);
else
return(*cpp);
}
int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
{
long l;
if (p != NULL)
{
l=c->id;
if ((l & 0xff000000) != 0x02000000) return(0);
p[0]=((unsigned char)(l>>16L))&0xFF;
p[1]=((unsigned char)(l>> 8L))&0xFF;
p[2]=((unsigned char)(l ))&0xFF;
}
return(3);
}
int ssl2_generate_key_material(SSL *s)
{
unsigned int i;
unsigned char *km;
unsigned char c='0';
#ifdef CHARSET_EBCDIC
see SSLv2 docu */
#endif
if (s->session->master_key_length < 0 || s->session->master_key_length > sizeof s->session->master_key)
{
return 0;
}
{
{
/* EVP_DigestFinal_ex() below would write beyond buffer */
return 0;
}
&& s->session->master_key_length
< sizeof s->session->master_key);
c++;
}
return 1;
}
{
if (!s->error)
{
s->error=3;
s->error_code=err;
ssl2_write_error(s);
}
}
void ssl2_write_error(SSL *s)
{
unsigned char buf[3];
int i,error;
buf[0]=SSL2_MT_ERROR;
/* state=s->rwstate;*/
s->error=0;
/* if (i == error) s->rwstate=state; */
if (i < 0)
else
{
if (s->error == 0)
if (s->msg_callback)
}
}
int ssl2_shutdown(SSL *s)
{
return(1);
}
#else /* !OPENSSL_NO_SSL2 */
# if PEDANTIC
# endif
#endif