bss_acpt.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* crypto/bio/bss_acpt.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_accept_st
{
int state;
char *param_addr;
int accept_sock;
int accept_nbio;
char *addr;
int nbio;
/* If 0, it means normal, if 1, do a connect on bind failure,
* and if there is no-one listening, bind with SO_REUSEADDR.
* If 2, always use SO_REUSEADDR. */
int bind_mode;
} BIO_ACCEPT;
BIO_ACCEPT *BIO_ACCEPT_new(void );
void BIO_ACCEPT_free(BIO_ACCEPT *a);
#define ACPT_S_BEFORE 1
#define ACPT_S_GET_ACCEPT_SOCKET 2
#define ACPT_S_OK 3
static BIO_METHOD methods_acceptp=
{
"socket accept",
NULL, /* connect_gets, */
NULL,
};
BIO_METHOD *BIO_s_accept(void)
{
return(&methods_acceptp);
}
{
BIO_ACCEPT *ba;
return(0);
return(1);
}
BIO_ACCEPT *BIO_ACCEPT_new(void)
{
return(NULL);
return(ret);
}
void BIO_ACCEPT_free(BIO_ACCEPT *a)
{
if(a == NULL)
return;
OPENSSL_free(a);
}
{
BIO_ACCEPT *c;
if (c->accept_sock != INVALID_SOCKET)
{
closesocket(c->accept_sock);
}
}
{
if (a == NULL) return(0);
if (a->shutdown)
{
a->flags=0;
a->init=0;
}
return(1);
}
{
int s= -1;
int i;
switch (c->state)
{
case ACPT_S_BEFORE:
if (c->param_addr == NULL)
{
return(-1);
}
if (s == INVALID_SOCKET)
return(-1);
if (c->accept_nbio)
{
if (!BIO_socket_nbio(s,1))
{
closesocket(s);
return(-1);
}
}
c->accept_sock=s;
b->num=s;
return(1);
/* break; */
case ACPT_S_GET_ACCEPT_SOCKET:
{
goto again;
}
b->retry_reason=0;
/* -2 return means we should retry */
if(i == -2)
{
return -1;
}
if (i < 0) return(i);
if (c->nbio)
{
if (!BIO_socket_nbio(i,1))
{
goto err;
}
}
/* If the accept BIO has an bio_chain, we dup it and
* put the new socket at the end. */
{
goto err;
}
return(1);
err:
else if (s >= 0)
closesocket(s);
return(0);
/* break; */
case ACPT_S_OK:
{
goto again;
}
return(1);
/* break; */
default:
return(0);
/* break; */
}
}
{
int ret=0;
{
}
return(ret);
}
{
int ret;
{
}
return(ret);
}
{
int *ip;
long ret=1;
char **pp;
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 */
break;
case BIO_C_SET_ACCEPT:
{
if (num == 0)
{
b->init=1;
}
else if (num == 1)
{
}
else if (num == 2)
{
}
}
break;
case BIO_C_SET_NBIO:
break;
case BIO_C_SET_FD:
b->init=1;
b->init=1;
break;
case BIO_C_GET_FD:
if (b->init)
{
}
else
ret= -1;
break;
case BIO_C_GET_ACCEPT:
if (b->init)
{
{
}
else
ret= -1;
}
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_C_SET_BIND_MODE:
break;
case BIO_C_GET_BIND_MODE:
break;
case BIO_CTRL_DUP:
/* if (data->param_port) EAY EAY
BIO_set_port(dbio,data->param_port);
if (data->param_hostname)
BIO_set_hostname(dbio,data->param_hostname);
BIO_set_nbio(dbio,data->nbio); */
break;
default:
ret=0;
break;
}
return(ret);
}
{
int n,ret;
return(ret);
}
{
return(ret);
else
{
return(NULL);
}
}
#endif