Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/bio/bss_fd.c

Index: openssl/crypto/bio/bss_fd.c
diff --git a/openssl/crypto/bio/bss_fd.c b/openssl/crypto/bio/bss_fd.c
deleted file mode 100644
index d1bf85aae1750a0307b821e8b05f4b314693faa0..0000000000000000000000000000000000000000
--- a/openssl/crypto/bio/bss_fd.c
+++ /dev/null
@@ -1,319 +0,0 @@
-/* crypto/bio/bss_fd.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"
-
-#if defined(OPENSSL_NO_POSIX_IO)
-/*
- * One can argue that one should implement dummy placeholder for
- * BIO_s_fd here...
- */
-#else
-/*
- * As for unconditional usage of "UPLINK" interface in this module.
- * Trouble is that unlike Unix file descriptors [which are indexes
- * in kernel-side per-process table], corresponding descriptors on
- * platforms which require "UPLINK" interface seem to be indexes
- * in a user-land, non-global table. Well, in fact they are indexes
- * in stdio _iob[], and recall that _iob[] was the very reason why
- * "UPLINK" interface was introduced in first place. But one way on
- * another. Neither libcrypto or libssl use this BIO meaning that
- * file descriptors can only be provided by application. Therefore
- * "UPLINK" calls are due...
- */
-#include "bio_lcl.h"
-
-static int fd_write(BIO *h, const char *buf, int num);
-static int fd_read(BIO *h, char *buf, int size);
-static int fd_puts(BIO *h, const char *str);
-static int fd_gets(BIO *h, char *buf, int size);
-static long fd_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int fd_new(BIO *h);
-static int fd_free(BIO *data);
-int BIO_fd_should_retry(int s);
-
-static BIO_METHOD methods_fdp=
-	{
-	BIO_TYPE_FD,"file descriptor",
-	fd_write,
-	fd_read,
-	fd_puts,
-	fd_gets,
-	fd_ctrl,
-	fd_new,
-	fd_free,
-	NULL,
-	};
-
-BIO_METHOD *BIO_s_fd(void)
-	{
-	return(&methods_fdp);
-	}
-
-BIO *BIO_new_fd(int fd,int close_flag)
-	{
-	BIO *ret;
-	ret=BIO_new(BIO_s_fd());
-	if (ret == NULL) return(NULL);
-	BIO_set_fd(ret,fd,close_flag);
-	return(ret);
-	}
-
-static int fd_new(BIO *bi)
-	{
-	bi->init=0;
-	bi->num=-1;
-	bi->ptr=NULL;
-	bi->flags=BIO_FLAGS_UPLINK; /* essentially redundant */
-	return(1);
-	}
-
-static int fd_free(BIO *a)
-	{
-	if (a == NULL) return(0);
-	if (a->shutdown)
-		{
-		if (a->init)
-			{
-			UP_close(a->num);
-			}
-		a->init=0;
-		a->flags=BIO_FLAGS_UPLINK;
-		}
-	return(1);
-	}
-	
-static int fd_read(BIO *b, char *out,int outl)
-	{
-	int ret=0;
-
-	if (out != NULL)
-		{
-		clear_sys_error();
-		ret=UP_read(b->num,out,outl);
-		BIO_clear_retry_flags(b);
-		if (ret <= 0)
-			{
-			if (BIO_fd_should_retry(ret))
-				BIO_set_retry_read(b);
-			}
-		}
-	return(ret);
-	}
-
-static int fd_write(BIO *b, const char *in, int inl)
-	{
-	int ret;
-	clear_sys_error();
-	ret=UP_write(b->num,in,inl);
-	BIO_clear_retry_flags(b);
-	if (ret <= 0)
-		{
-		if (BIO_fd_should_retry(ret))
-			BIO_set_retry_write(b);
-		}
-	return(ret);
-	}
-
-static long fd_ctrl(BIO *b, int cmd, long num, void *ptr)
-	{
-	long ret=1;
-	int *ip;
-
-	switch (cmd)
-		{
-	case BIO_CTRL_RESET:
-		num=0;
-	case BIO_C_FILE_SEEK:
-		ret=(long)UP_lseek(b->num,num,0);
-		break;
-	case BIO_C_FILE_TELL:
-	case BIO_CTRL_INFO:
-		ret=(long)UP_lseek(b->num,0,1);
-		break;
-	case BIO_C_SET_FD:
-		fd_free(b);
-		b->num= *((int *)ptr);
-		b->shutdown=(int)num;
-		b->init=1;
-		break;
-	case BIO_C_GET_FD:
-		if (b->init)
-			{
-			ip=(int *)ptr;
-			if (ip != NULL) *ip=b->num;
-			ret=b->num;
-			}
-		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_DUP:
-	case BIO_CTRL_FLUSH:
-		ret=1;
-		break;
-	default:
-		ret=0;
-		break;
-		}
-	return(ret);
-	}
-
-static int fd_puts(BIO *bp, const char *str)
-	{
-	int n,ret;
-
-	n=strlen(str);
-	ret=fd_write(bp,str,n);
-	return(ret);
-	}
-
-static int fd_gets(BIO *bp, char *buf, int size)
-        {
-	int ret=0;
-	char *ptr=buf;
-	char *end=buf+size-1;
-
-	while ( (ptr < end) && (fd_read(bp, ptr, 1) > 0) && (ptr[0] != '\n') )
-		ptr++;
-
-	ptr[0]='\0';
-
-	if (buf[0] != '\0')
-		ret=strlen(buf);
-	return(ret);
-        }
-
-int BIO_fd_should_retry(int i)
-	{
-	int err;
-
-	if ((i == 0) || (i == -1))
-		{
-		err=get_last_sys_error();
-
-#if defined(OPENSSL_SYS_WINDOWS) && 0 /* more microsoft stupidity? perhaps not? Ben 4/1/99 */
-		if ((i == -1) && (err == 0))
-			return(1);
-#endif
-
-		return(BIO_fd_non_fatal_error(err));
-		}
-	return(0);
-	}
-
-int BIO_fd_non_fatal_error(int err)
-	{
-	switch (err)
-		{
-
-#ifdef EWOULDBLOCK
-# ifdef WSAEWOULDBLOCK
-#  if WSAEWOULDBLOCK != EWOULDBLOCK
-	case EWOULDBLOCK:
-#  endif
-# else
-	case EWOULDBLOCK:
-# endif
-#endif
-
-#if defined(ENOTCONN)
-	case ENOTCONN:
-#endif
-
-#ifdef EINTR
-	case EINTR:
-#endif
-
-#ifdef EAGAIN
-#if EWOULDBLOCK != EAGAIN
-	case EAGAIN:
-# endif
-#endif
-
-#ifdef EPROTO
-	case EPROTO:
-#endif
-
-#ifdef EINPROGRESS
-	case EINPROGRESS:
-#endif
-
-#ifdef EALREADY
-	case EALREADY:
-#endif
-		return(1);
-		/* break; */
-	default:
-		break;
-		}
-	return(0);
-	}
-#endif