Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/bio/bf_nbio.c

Index: openssl/crypto/bio/bf_nbio.c
diff --git a/openssl/crypto/bio/bf_nbio.c b/openssl/crypto/bio/bf_nbio.c
deleted file mode 100644
index 028616c06481c4f1049cb147c80eea919bb4d201..0000000000000000000000000000000000000000
--- a/openssl/crypto/bio/bf_nbio.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/* crypto/bio/bf_nbio.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>
-#include "cryptlib.h"
-#include <openssl/rand.h>
-#include <openssl/bio.h>
-
-/* BIO_put and BIO_get both add to the digest,
- * BIO_gets returns the digest */
-
-static int nbiof_write(BIO *h,const char *buf,int num);
-static int nbiof_read(BIO *h,char *buf,int size);
-static int nbiof_puts(BIO *h,const char *str);
-static int nbiof_gets(BIO *h,char *str,int size);
-static long nbiof_ctrl(BIO *h,int cmd,long arg1,void *arg2);
-static int nbiof_new(BIO *h);
-static int nbiof_free(BIO *data);
-static long nbiof_callback_ctrl(BIO *h,int cmd,bio_info_cb *fp);
-typedef struct nbio_test_st
-	{
-	/* only set if we sent a 'should retry' error */
-	int lrn;
-	int lwn;
-	} NBIO_TEST;
-
-static BIO_METHOD methods_nbiof=
-	{
-	BIO_TYPE_NBIO_TEST,
-	"non-blocking IO test filter",
-	nbiof_write,
-	nbiof_read,
-	nbiof_puts,
-	nbiof_gets,
-	nbiof_ctrl,
-	nbiof_new,
-	nbiof_free,
-	nbiof_callback_ctrl,
-	};
-
-BIO_METHOD *BIO_f_nbio_test(void)
-	{
-	return(&methods_nbiof);
-	}
-
-static int nbiof_new(BIO *bi)
-	{
-	NBIO_TEST *nt;
-
-	if (!(nt=(NBIO_TEST *)OPENSSL_malloc(sizeof(NBIO_TEST)))) return(0);
-	nt->lrn= -1;
-	nt->lwn= -1;
-	bi->ptr=(char *)nt;
-	bi->init=1;
-	bi->flags=0;
-	return(1);
-	}
-
-static int nbiof_free(BIO *a)
-	{
-	if (a == NULL) return(0);
-	if (a->ptr != NULL)
-		OPENSSL_free(a->ptr);
-	a->ptr=NULL;
-	a->init=0;
-	a->flags=0;
-	return(1);
-	}
-	
-static int nbiof_read(BIO *b, char *out, int outl)
-	{
-	int ret=0;
-#if 1
-	int num;
-	unsigned char n;
-#endif
-
-	if (out == NULL) return(0);
-	if (b->next_bio == NULL) return(0);
-
-	BIO_clear_retry_flags(b);
-#if 1
-	RAND_pseudo_bytes(&n,1);
-	num=(n&0x07);
-
-	if (outl > num) outl=num;
-
-	if (num == 0)
-		{
-		ret= -1;
-		BIO_set_retry_read(b);
-		}
-	else
-#endif
-		{
-		ret=BIO_read(b->next_bio,out,outl);
-		if (ret < 0)
-			BIO_copy_next_retry(b);
-		}
-	return(ret);
-	}
-
-static int nbiof_write(BIO *b, const char *in, int inl)
-	{
-	NBIO_TEST *nt;
-	int ret=0;
-	int num;
-	unsigned char n;
-
-	if ((in == NULL) || (inl <= 0)) return(0);
-	if (b->next_bio == NULL) return(0);
-	nt=(NBIO_TEST *)b->ptr;
-
-	BIO_clear_retry_flags(b);
-
-#if 1
-	if (nt->lwn > 0)
-		{
-		num=nt->lwn;
-		nt->lwn=0;
-		}
-	else
-		{
-		RAND_pseudo_bytes(&n,1);
-		num=(n&7);
-		}
-
-	if (inl > num) inl=num;
-
-	if (num == 0)
-		{
-		ret= -1;
-		BIO_set_retry_write(b);
-		}
-	else
-#endif
-		{
-		ret=BIO_write(b->next_bio,in,inl);
-		if (ret < 0)
-			{
-			BIO_copy_next_retry(b);
-			nt->lwn=inl;
-			}
-		}
-	return(ret);
-	}
-
-static long nbiof_ctrl(BIO *b, int cmd, long num, void *ptr)
-	{
-	long ret;
-
-	if (b->next_bio == NULL) return(0);
-	switch (cmd)
-		{
-        case BIO_C_DO_STATE_MACHINE:
-		BIO_clear_retry_flags(b);
-		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
-		BIO_copy_next_retry(b);
-		break;
-	case BIO_CTRL_DUP:
-		ret=0L;
-		break;
-	default:
-		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
-		break;
-		}
-	return(ret);
-	}
-
-static long nbiof_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
-	{
-	long ret=1;
-
-	if (b->next_bio == NULL) return(0);
-	switch (cmd)
-		{
-	default:
-		ret=BIO_callback_ctrl(b->next_bio,cmd,fp);
-		break;
-		}
-	return(ret);
-	}
-
-static int nbiof_gets(BIO *bp, char *buf, int size)
-	{
-	if (bp->next_bio == NULL) return(0);
-	return(BIO_gets(bp->next_bio,buf,size));
-	}
-
-
-static int nbiof_puts(BIO *bp, const char *str)
-	{
-	if (bp->next_bio == NULL) return(0);
-	return(BIO_puts(bp->next_bio,str));
-	}
-
-