Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/bio/bss_acpt.c

Index: openssl/crypto/bio/bss_acpt.c
diff --git a/openssl/crypto/bio/bss_acpt.c b/openssl/crypto/bio/bss_acpt.c
deleted file mode 100644
index 5d49e1a72bcc950dcbf14b7b302f78e826c35d84..0000000000000000000000000000000000000000
--- a/openssl/crypto/bio/bss_acpt.c
+++ /dev/null
@@ -1,478 +0,0 @@
-/* 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
- *    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 <errno.h>
-#define USE_SOCKETS
-#include "cryptlib.h"
-#include <openssl/bio.h>
-
-#ifndef OPENSSL_NO_SOCK
-
-#ifdef OPENSSL_SYS_WIN16
-#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
-#else
-#define SOCKET_PROTOCOL IPPROTO_TCP
-#endif
-
-#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
-/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
-#undef FIONBIO
-#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 *bio_chain;
-	} BIO_ACCEPT;
-
-static int acpt_write(BIO *h, const char *buf, int num);
-static int acpt_read(BIO *h, char *buf, int size);
-static int acpt_puts(BIO *h, const char *str);
-static long acpt_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int acpt_new(BIO *h);
-static int acpt_free(BIO *data);
-static int acpt_state(BIO *b, BIO_ACCEPT *c);
-static void acpt_close_socket(BIO *data);
-static BIO_ACCEPT *BIO_ACCEPT_new(void );
-static 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=
-	{
-	BIO_TYPE_ACCEPT,
-	"socket accept",
-	acpt_write,
-	acpt_read,
-	acpt_puts,
-	NULL, /* connect_gets, */
-	acpt_ctrl,
-	acpt_new,
-	acpt_free,
-	NULL,
-	};
-
-BIO_METHOD *BIO_s_accept(void)
-	{
-	return(&methods_acceptp);
-	}
-
-static int acpt_new(BIO *bi)
-	{
-	BIO_ACCEPT *ba;
-
-	bi->init=0;
-	bi->num=INVALID_SOCKET;
-	bi->flags=0;
-	if ((ba=BIO_ACCEPT_new()) == NULL)
-		return(0);
-	bi->ptr=(char *)ba;
-	ba->state=ACPT_S_BEFORE;
-	bi->shutdown=1;
-	return(1);
-	}
-
-static BIO_ACCEPT *BIO_ACCEPT_new(void)
-	{
-	BIO_ACCEPT *ret;
-
-	if ((ret=(BIO_ACCEPT *)OPENSSL_malloc(sizeof(BIO_ACCEPT))) == NULL)
-		return(NULL);
-
-	memset(ret,0,sizeof(BIO_ACCEPT));
-	ret->accept_sock=INVALID_SOCKET;
-	ret->bind_mode=BIO_BIND_NORMAL;
-	return(ret);
-	}
-
-static void BIO_ACCEPT_free(BIO_ACCEPT *a)
-	{
-	if(a == NULL)
-	    return;
-
-	if (a->param_addr != NULL) OPENSSL_free(a->param_addr);
-	if (a->addr != NULL) OPENSSL_free(a->addr);
-	if (a->bio_chain != NULL) BIO_free(a->bio_chain);
-	OPENSSL_free(a);
-	}
-
-static void acpt_close_socket(BIO *bio)
-	{
-	BIO_ACCEPT *c;
-
-	c=(BIO_ACCEPT *)bio->ptr;
-	if (c->accept_sock != INVALID_SOCKET)
-		{
-		shutdown(c->accept_sock,2);
-		closesocket(c->accept_sock);
-		c->accept_sock=INVALID_SOCKET;
-		bio->num=INVALID_SOCKET;
-		}
-	}
-
-static int acpt_free(BIO *a)
-	{
-	BIO_ACCEPT *data;
-
-	if (a == NULL) return(0);
-	data=(BIO_ACCEPT *)a->ptr;
-	 
-	if (a->shutdown)
-		{
-		acpt_close_socket(a);
-		BIO_ACCEPT_free(data);
-		a->ptr=NULL;
-		a->flags=0;
-		a->init=0;
-		}
-	return(1);
-	}
-	
-static int acpt_state(BIO *b, BIO_ACCEPT *c)
-	{
-	BIO *bio=NULL,*dbio;
-	int s= -1;
-	int i;
-
-again:
-	switch (c->state)
-		{
-	case ACPT_S_BEFORE:
-		if (c->param_addr == NULL)
-			{
-			BIOerr(BIO_F_ACPT_STATE,BIO_R_NO_ACCEPT_PORT_SPECIFIED);
-			return(-1);
-			}
-		s=BIO_get_accept_socket(c->param_addr,c->bind_mode);
-		if (s == INVALID_SOCKET)
-			return(-1);
-
-		if (c->accept_nbio)
-			{
-			if (!BIO_socket_nbio(s,1))
-				{
-				closesocket(s);
-				BIOerr(BIO_F_ACPT_STATE,BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET);
-				return(-1);
-				}
-			}
-		c->accept_sock=s;
-		b->num=s;
-		c->state=ACPT_S_GET_ACCEPT_SOCKET;
-		return(1);
-		/* break; */
-	case ACPT_S_GET_ACCEPT_SOCKET:
-		if (b->next_bio != NULL)
-			{
-			c->state=ACPT_S_OK;
-			goto again;
-			}
-		BIO_clear_retry_flags(b);
-		b->retry_reason=0;
-		i=BIO_accept(c->accept_sock,&(c->addr));
-
-		/* -2 return means we should retry */
-		if(i == -2)
-			{
-			BIO_set_retry_special(b);
-			b->retry_reason=BIO_RR_ACCEPT;
-			return -1;
-			}
-
-		if (i < 0) return(i);
-
-		bio=BIO_new_socket(i,BIO_CLOSE);
-		if (bio == NULL) goto err;
-
-		BIO_set_callback(bio,BIO_get_callback(b));
-		BIO_set_callback_arg(bio,BIO_get_callback_arg(b));
-
-		if (c->nbio)
-			{
-			if (!BIO_socket_nbio(i,1))
-				{
-				BIOerr(BIO_F_ACPT_STATE,BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET);
-				goto err;
-				}
-			}
-
-		/* If the accept BIO has an bio_chain, we dup it and
-		 * put the new socket at the end. */
-		if (c->bio_chain != NULL)
-			{
-			if ((dbio=BIO_dup_chain(c->bio_chain)) == NULL)
-				goto err;
-			if (!BIO_push(dbio,bio)) goto err;
-			bio=dbio;
-			}
-		if (BIO_push(b,bio) == NULL) goto err;
-
-		c->state=ACPT_S_OK;
-		return(1);
-err:
-		if (bio != NULL)
-			BIO_free(bio);
-		else if (s >= 0)
-			closesocket(s);
-		return(0);
-		/* break; */
-	case ACPT_S_OK:
-		if (b->next_bio == NULL)
-			{
-			c->state=ACPT_S_GET_ACCEPT_SOCKET;
-			goto again;
-			}
-		return(1);
-		/* break; */
-	default:	
-		return(0);
-		/* break; */
-		}
-
-	}
-
-static int acpt_read(BIO *b, char *out, int outl)
-	{
-	int ret=0;
-	BIO_ACCEPT *data;
-
-	BIO_clear_retry_flags(b);
-	data=(BIO_ACCEPT *)b->ptr;
-
-	while (b->next_bio == NULL)
-		{
-		ret=acpt_state(b,data);
-		if (ret <= 0) return(ret);
-		}
-
-	ret=BIO_read(b->next_bio,out,outl);
-	BIO_copy_next_retry(b);
-	return(ret);
-	}
-
-static int acpt_write(BIO *b, const char *in, int inl)
-	{
-	int ret;
-	BIO_ACCEPT *data;
-
-	BIO_clear_retry_flags(b);
-	data=(BIO_ACCEPT *)b->ptr;
-
-	while (b->next_bio == NULL)
-		{
-		ret=acpt_state(b,data);
-		if (ret <= 0) return(ret);
-		}
-
-	ret=BIO_write(b->next_bio,in,inl);
-	BIO_copy_next_retry(b);
-	return(ret);
-	}
-
-static long acpt_ctrl(BIO *b, int cmd, long num, void *ptr)
-	{
-	int *ip;
-	long ret=1;
-	BIO_ACCEPT *data;
-	char **pp;
-
-	data=(BIO_ACCEPT *)b->ptr;
-
-	switch (cmd)
-		{
-	case BIO_CTRL_RESET:
-		ret=0;
-		data->state=ACPT_S_BEFORE;
-		acpt_close_socket(b);
-		b->flags=0;
-		break;
-	case BIO_C_DO_STATE_MACHINE:
-		/* use this one to start the connection */
-		ret=(long)acpt_state(b,data);
-		break;
-	case BIO_C_SET_ACCEPT:
-		if (ptr != NULL)
-			{
-			if (num == 0)
-				{
-				b->init=1;
-				if (data->param_addr != NULL)
-					OPENSSL_free(data->param_addr);
-				data->param_addr=BUF_strdup(ptr);
-				}
-			else if (num == 1)
-				{
-				data->accept_nbio=(ptr != NULL);
-				}
-			else if (num == 2)
-				{
-				if (data->bio_chain != NULL)
-					BIO_free(data->bio_chain);
-				data->bio_chain=(BIO *)ptr;
-				}
-			}
-		break;
-	case BIO_C_SET_NBIO:
-		data->nbio=(int)num;
-		break;
-	case BIO_C_SET_FD:
-		b->init=1;
-		b->num= *((int *)ptr);
-		data->accept_sock=b->num;
-		data->state=ACPT_S_GET_ACCEPT_SOCKET;
-		b->shutdown=(int)num;
-		b->init=1;
-		break;
-	case BIO_C_GET_FD:
-		if (b->init)
-			{
-			ip=(int *)ptr;
-			if (ip != NULL)
-				*ip=data->accept_sock;
-			ret=data->accept_sock;
-			}
-		else
-			ret= -1;
-		break;
-	case BIO_C_GET_ACCEPT:
-		if (b->init)
-			{
-			if (ptr != NULL)
-				{
-				pp=(char **)ptr;
-				*pp=data->param_addr;
-				}
-			else
-				ret= -1;
-			}
-		else
-			ret= -1;
-		break;
-	case BIO_CTRL_GET_CLOSE:
-		ret=b->shutdown;
-		break;
-	case BIO_CTRL_SET_CLOSE:
-		b->shutdown=(int)num;
-		break;
-	case BIO_CTRL_PENDING:
-	case BIO_CTRL_WPENDING:
-		ret=0;
-		break;
-	case BIO_CTRL_FLUSH:
-		break;
-	case BIO_C_SET_BIND_MODE:
-		data->bind_mode=(int)num;
-		break;
-	case BIO_C_GET_BIND_MODE:
-		ret=(long)data->bind_mode;
-		break;
-	case BIO_CTRL_DUP:
-/*		dbio=(BIO *)ptr;
-		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);
-	}
-
-static int acpt_puts(BIO *bp, const char *str)
-	{
-	int n,ret;
-
-	n=strlen(str);
-	ret=acpt_write(bp,str,n);
-	return(ret);
-	}
-
-BIO *BIO_new_accept(char *str)
-	{
-	BIO *ret;
-
-	ret=BIO_new(BIO_s_accept());
-	if (ret == NULL) return(NULL);
-	if (BIO_set_accept_port(ret,str))
-		return(ret);
-	else
-		{
-		BIO_free(ret);
-		return(NULL);
-		}
-	}
-
-#endif