提交 f7ceceb5 编写于 作者: R Ralf S. Engelschall

Remove more old temporary files from CVS

上级 6063b27b
DQpzaWduZWQgYm9keQ0KDQo=
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/* ssl/s23_srvr.c */
/* Copyright (C) 1995-1997 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 "buffer.h"
#include "rand.h"
#include "objects.h"
#include "evp.h"
#include "ssl_locl.h"
#define BREAK break
#ifndef NOPROTO
int ssl23_get_client_hello(SSL *s);
#else
int ssl23_get_client_hello();
#endif
static SSL_METHOD *ssl23_get_server_method(ver)
int ver;
{
if (ver == 2)
return(SSLv2_server_method());
else if (ver == 3)
return(SSLv3_server_method());
else
return(NULL);
}
SSL_METHOD *SSLv23_server_method()
{
static int init=1;
static SSL_METHOD SSLv23_server_data;
if (init)
{
init=0;
memcpy((char *)&SSLv23_server_data,
(char *)sslv23_base_method(),sizeof(SSL_METHOD));
SSLv23_server_data.ssl_accept=ssl23_accept;
SSLv23_server_data.get_ssl_method=ssl23_get_server_method;
}
return(&SSLv23_server_data);
}
int ssl23_accept(s)
SSL *s;
{
BUF_MEM *buf;
unsigned long Time=time(NULL);
void (*cb)()=NULL;
int ret= -1;
int new_state,state;
RAND_seed((unsigned char *)&Time,sizeof(Time));
ERR_clear_error();
errno=0;
if (s->info_callback != NULL)
cb=s->info_callback;
else if (s->ctx->info_callback != NULL)
cb=s->ctx->info_callback;
if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s);
s->in_handshake++;
for (;;)
{
state=s->state;
switch(s->state)
{
case SSL_ST_BEFORE:
case SSL_ST_ACCEPT:
case SSL_ST_BEFORE|SSL_ST_ACCEPT:
case SSL_ST_OK|SSL_ST_ACCEPT:
if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
s->version=3;
s->type=SSL_ST_ACCEPT;
if (s->init_buf == NULL)
{
if ((buf=BUF_MEM_new()) == NULL)
{
ret= -1;
goto end;
}
if (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH))
{
ret= -1;
goto end;
}
s->init_buf=buf;
}
ssl3_init_finished_mac(s);
s->state=SSL23_ST_SR_CLNT_HELLO_A;
s->ctx->sess_accept++;
s->init_num=0;
break;
case SSL23_ST_SR_CLNT_HELLO_A:
case SSL23_ST_SR_CLNT_HELLO_B:
s->shutdown=0;
ret=ssl23_get_client_hello(s);
if (ret >= 0) cb=NULL;
goto end;
break;
default:
SSLerr(SSL_F_SSL23_ACCEPT,SSL_R_UNKNOWN_STATE);
ret= -1;
goto end;
/* break; */
}
if ((cb != NULL) && (s->state != state))
{
new_state=s->state;
s->state=state;
cb(s,SSL_CB_ACCEPT_LOOP,1);
s->state=new_state;
}
}
end:
if (cb != NULL)
cb(s,SSL_CB_ACCEPT_EXIT,ret);
s->in_handshake--;
return(ret);
}
int ssl23_get_client_hello(s)
SSL *s;
{
char buf[8];
unsigned char *p,*d,*dd;
unsigned int i;
unsigned int csl,sil,cl;
int n=0,j;
BIO *bbio;
int type=0;
/* read the initial header */
if (s->state == SSL23_ST_SR_CLNT_HELLO_A)
{
if (!ssl3_setup_buffers(s)) goto err;
n=ssl23_read_bytes(s,7);
if (n != 7) return(n);
p=s->packet;
memcpy(buf,p,n);
if ((p[0] & 0x80) && (p[2] == SSL2_MT_CLIENT_HELLO))
{
/* SSLv2 header */
if ((p[3] == 0x00) && (p[4] == 0x02))
{
/* SSLv2 */
type=1;
}
else if ((p[3] == SSL3_VERSION_MAJOR) &&
(p[4] == SSL3_VERSION_MINOR))
{
/* SSLv3 */
s->state=SSL23_ST_SR_CLNT_HELLO_B;
}
}
else if ((p[0] == SSL3_RT_HANDSHAKE) &&
(p[1] == SSL3_VERSION_MAJOR) &&
(p[2] == SSL3_VERSION_MINOR) &&
(p[5] == SSL3_MT_CLIENT_HELLO))
{
/* true SSLv3 */
type=3;
}
}
if (s->state == SSL23_ST_SR_CLNT_HELLO_B)
{
/* we have a SSLv3 in a SSLv2 header */
type=2;
p=s->packet;
n=((p[0]&0x7f)<<8)|p[1];
if (n > (1024*4))
{
SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_RECORD_TOO_LARGE);
goto err;
}
j=ssl23_read_bytes(s,n+2);
if (j <= 0) return(j);
ssl3_finish_mac(s,&(s->packet[2]),s->packet_length-2);
p=s->packet;
p+=5;
n2s(p,csl);
n2s(p,sil);
n2s(p,cl);
d=(unsigned char *)s->init_buf->data;
if ((csl+sil+cl+11) != s->packet_length)
{
SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_RECORD_LENGTH_MISMATCH);
goto err;
}
*(d++)=SSL3_VERSION_MAJOR;
*(d++)=SSL3_VERSION_MINOR;
/* lets populate the random area */
/* get the chalenge_length */
i=(cl > SSL3_RANDOM_SIZE)?SSL3_RANDOM_SIZE:cl;
memset(d,0,SSL3_RANDOM_SIZE);
memcpy(&(d[SSL3_RANDOM_SIZE-i]),&(p[csl+sil]),i);
d+=SSL3_RANDOM_SIZE;
/* no session-id reuse */
*(d++)=0;
/* ciphers */
j=0;
dd=d;
d+=2;
for (i=0; i<csl; i+=3)
{
if (p[i] != 0) continue;
*(d++)=p[i+1];
*(d++)=p[i+2];
j+=2;
}
s2n(j,dd);
/* compression */
*(d++)=1;
*(d++)=0;
i=(d-(unsigned char *)s->init_buf->data);
/* get the data reused from the init_buf */
s->s3->tmp.reuse_message=1;
s->s3->tmp.message_type=SSL3_MT_CLIENT_HELLO;
s->s3->tmp.message_size=i;
}
if (type == 1)
{
/* we are talking sslv2 */
/* we need to clean up the SSLv3 setup and put in the
* sslv2 stuff. */
if (s->s2 == NULL)
{
if (!ssl2_new(s))
goto err;
}
else
ssl2_clear(s);
if (s->s3 != NULL) ssl3_free(s);
if (!BUF_MEM_grow(s->init_buf,
SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER))
{
goto err;
}
s->state=SSL2_ST_GET_CLIENT_HELLO_A;
if (s->ctx->options & SSL_OP_MSIE_SSLV2_RSA_PADDING)
s->s2->ssl2_rollback=0;
else
s->s2->ssl2_rollback=1;
/* setup the 5 bytes we have read so we get them from
* the sslv2 buffer */
s->rstate=SSL_ST_READ_HEADER;
s->packet_length=n;
s->packet= &(s->s2->rbuf[0]);
memcpy(s->packet,buf,n);
s->s2->rbuf_left=n;
s->s2->rbuf_offs=0;
s->method=SSLv2_server_method();
s->handshake_func=s->method->ssl_accept;
}
if ((type == 2) || (type == 3))
{
/* we have sslv3 */
if (s->bbio == NULL)
{
bbio=BIO_new(BIO_f_buffer());
if (bbio == NULL)
goto err;
s->bbio=bbio;
}
else
bbio=s->bbio;
BIO_reset(bbio);
if (!BIO_set_write_buffer_size(bbio,16*1024))
goto err;
s->wbio=BIO_push(bbio,s->wbio);
/* we are in this state */
s->state=SSL3_ST_SR_CLNT_HELLO_A;
if (type == 3)
{
/* put the 'n' bytes we have read into the input buffer
* for SSLv3 */
s->rstate=SSL_ST_READ_HEADER;
s->packet_length=n;
s->packet= &(s->s3->rbuf.buf[0]);
memcpy(s->packet,buf,n);
s->s3->rbuf.left=n;
s->s3->rbuf.offset=0;
}
else
{
s->packet_length=0;
s->s3->rbuf.left=0;
s->s3->rbuf.offset=0;
}
s->method=SSLv3_server_method();
s->handshake_func=s->method->ssl_accept;
}
if ((type < 1) || (type > 3))
{
/* bad, very bad */
SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,SSL_R_UNKNOWN_PROTOCOL);
goto err;
}
s->init_num=0;
return(SSL_accept(s));
err:
return(-1);
}
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