bss_conn.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* crypto/bio/bss_conn.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
* 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.]
*/
#ifndef OPENSSL_NO_SOCK
#include <stdio.h>
#include <errno.h>
#define USE_SOCKETS
#include "cryptlib.h"
#ifdef OPENSSL_SYS_WIN16
#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
#else
#define SOCKET_PROTOCOL IPPROTO_TCP
#endif
/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
#endif
typedef struct bio_connect_st
{
int state;
char *param_hostname;
char *param_port;
int nbio;
unsigned char ip[4];
unsigned short port;
struct sockaddr_in them;
/* int socket; this will be kept in bio->num so that it is
* compatible with the bss_sock bio */
/* called when the connection is initially made
* callback(BIO,state,ret); The callback should return
* 'ret'. state is for compatibility with the ssl info_callback */
} BIO_CONNECT;
BIO_CONNECT *BIO_CONNECT_new(void );
void BIO_CONNECT_free(BIO_CONNECT *a);
static BIO_METHOD methods_connectp=
{
"socket connect",
NULL, /* connect_gets, */
};
{
int ret= -1,i;
unsigned long l;
char *p,*q;
if (c->info_callback != NULL)
cb=c->info_callback;
for (;;)
{
switch (c->state)
{
case BIO_CONN_S_BEFORE:
p=c->param_hostname;
if (p == NULL)
{
goto exit_loop;
}
for ( ; *p != '\0'; p++)
{
if ((*p == ':') || (*p == '/')) break;
}
i= *p;
if ((i == ':') || (i == '/'))
{
*(p++)='\0';
if (i == ':')
{
for (q=p; *q; q++)
if (*q == '/')
{
*q='\0';
break;
}
if (c->param_port != NULL)
OPENSSL_free(c->param_port);
c->param_port=BUF_strdup(p);
}
}
if (c->param_port == NULL)
{
goto exit_loop;
}
break;
case BIO_CONN_S_GET_IP:
goto exit_loop;
break;
case BIO_CONN_S_GET_PORT:
if (c->param_port == NULL)
{
/* abort(); */
goto exit_loop;
}
goto exit_loop;
break;
case BIO_CONN_S_CREATE_SOCKET:
/* now setup address */
l=(unsigned long)
((unsigned long)c->ip[0]<<24L)|
((unsigned long)c->ip[3]);
if (ret == INVALID_SOCKET)
{
":",c->param_port);
goto exit_loop;
}
c->state=BIO_CONN_S_NBIO;
break;
case BIO_CONN_S_NBIO:
if (c->nbio)
{
{
c->param_hostname,
":",c->param_port);
goto exit_loop;
}
}
#if defined(SO_KEEPALIVE) && !defined(OPENSSL_SYS_MPE)
i=1;
if (i < 0)
{
":",c->param_port);
goto exit_loop;
}
#endif
break;
case BIO_CONN_S_CONNECT:
sizeof(c->them));
b->retry_reason=0;
if (ret < 0)
{
if (BIO_sock_should_retry(ret))
{
}
else
{
c->param_hostname,
":",c->param_port);
}
goto exit_loop;
}
else
c->state=BIO_CONN_S_OK;
break;
i=BIO_sock_error(b->num);
if (i)
{
SYSerr(SYS_F_CONNECT,i);
c->param_hostname,
":",c->param_port);
ret=0;
goto exit_loop;
}
else
c->state=BIO_CONN_S_OK;
break;
case BIO_CONN_S_OK:
ret=1;
goto exit_loop;
default:
/* abort(); */
goto exit_loop;
}
{
goto end;
}
}
/* Loop does not exit */
end:
return(ret);
}
BIO_CONNECT *BIO_CONNECT_new(void)
{
return(NULL);
return(ret);
}
void BIO_CONNECT_free(BIO_CONNECT *a)
{
if(a == NULL)
return;
if (a->param_hostname != NULL)
if (a->param_port != NULL)
OPENSSL_free(a->param_port);
OPENSSL_free(a);
}
BIO_METHOD *BIO_s_connect(void)
{
return(&methods_connectp);
}
{
return(0);
else
return(1);
}
{
BIO_CONNECT *c;
{
/* Only do a shutdown if things were established */
if (c->state == BIO_CONN_S_OK)
}
}
{
if (a == NULL) return(0);
if (a->shutdown)
{
a->flags=0;
a->init=0;
}
return(1);
}
{
int ret=0;
{
if (ret <= 0)
return(ret);
}
{
if (ret <= 0)
{
if (BIO_sock_should_retry(ret))
}
}
return(ret);
}
{
int ret;
{
}
if (ret <= 0)
{
if (BIO_sock_should_retry(ret))
}
return(ret);
}
{
int *ip;
const char **pptr;
long ret=1;
switch (cmd)
{
case BIO_CTRL_RESET:
ret=0;
b->flags=0;
break;
case BIO_C_DO_STATE_MACHINE:
/* use this one to start the connection */
else
ret=1;
break;
case BIO_C_GET_CONNECT:
{
if (num == 0)
{
}
else if (num == 1)
{
}
else if (num == 2)
{
}
else if (num == 3)
{
}
*pptr="not initialized";
ret=1;
}
break;
case BIO_C_SET_CONNECT:
{
b->init=1;
if (num == 0)
{
}
else if (num == 1)
{
}
else if (num == 2)
{
char buf[16];
unsigned char *p = ptr;
p[0],p[1],p[2],p[3]);
}
else if (num == 3)
{
}
}
break;
case BIO_C_SET_NBIO:
break;
case BIO_C_GET_FD:
if (b->init)
{
}
else
ret= -1;
break;
case BIO_CTRL_GET_CLOSE:
break;
case BIO_CTRL_SET_CLOSE:
break;
case BIO_CTRL_PENDING:
case BIO_CTRL_WPENDING:
ret=0;
break;
case BIO_CTRL_FLUSH:
break;
case BIO_CTRL_DUP:
{
if (data->param_port)
if (data->param_hostname)
/* FIXME: the cast of the function seems unlikely to be a good idea */
}
break;
case BIO_CTRL_SET_CALLBACK:
{
#if 0 /* FIXME: Should this be used? -- Richard Levitte */
ret = -1;
#else
ret=0;
#endif
}
break;
case BIO_CTRL_GET_CALLBACK:
{
int (**fptr)();
}
break;
default:
ret=0;
break;
}
return(ret);
}
{
long ret=1;
switch (cmd)
{
case BIO_CTRL_SET_CALLBACK:
{
}
break;
default:
ret=0;
break;
}
return(ret);
}
{
int n,ret;
return(ret);
}
{
return(ret);
else
{
return(NULL);
}
}
#endif