Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/bio/bss_mem.c

Index: openssl/crypto/bio/bss_mem.c
diff --git a/openssl/crypto/bio/bss_mem.c b/openssl/crypto/bio/bss_mem.c
deleted file mode 100644
index 37d4194e4bba5232e054b6389e0ecf4a1a5d9870..0000000000000000000000000000000000000000
--- a/openssl/crypto/bio/bss_mem.c
+++ /dev/null
@@ -1,319 +0,0 @@
-/* crypto/bio/bss_mem.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/bio.h>
-
-static int mem_write(BIO *h, const char *buf, int num);
-static int mem_read(BIO *h, char *buf, int size);
-static int mem_puts(BIO *h, const char *str);
-static int mem_gets(BIO *h, char *str, int size);
-static long mem_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int mem_new(BIO *h);
-static int mem_free(BIO *data);
-static BIO_METHOD mem_method=
-	{
-	BIO_TYPE_MEM,
-	"memory buffer",
-	mem_write,
-	mem_read,
-	mem_puts,
-	mem_gets,
-	mem_ctrl,
-	mem_new,
-	mem_free,
-	NULL,
-	};
-
-/* bio->num is used to hold the value to return on 'empty', if it is
- * 0, should_retry is not set */
-
-BIO_METHOD *BIO_s_mem(void)
-	{
-	return(&mem_method);
-	}
-
-BIO *BIO_new_mem_buf(void *buf, int len)
-{
-	BIO *ret;
-	BUF_MEM *b;
-	size_t sz;
-
-	if (!buf) {
-		BIOerr(BIO_F_BIO_NEW_MEM_BUF,BIO_R_NULL_PARAMETER);
-		return NULL;
-	}
-	sz = (len<0) ? strlen(buf) : (size_t)len;
-	if(!(ret = BIO_new(BIO_s_mem())) ) return NULL;
-	b = (BUF_MEM *)ret->ptr;
-	b->data = buf;
-	b->length = sz;
-	b->max = sz;
-	ret->flags |= BIO_FLAGS_MEM_RDONLY;
-	/* Since this is static data retrying wont help */
-	ret->num = 0;
-	return ret;
-}
-
-static int mem_new(BIO *bi)
-	{
-	BUF_MEM *b;
-
-	if ((b=BUF_MEM_new()) == NULL)
-		return(0);
-	bi->shutdown=1;
-	bi->init=1;
-	bi->num= -1;
-	bi->ptr=(char *)b;
-	return(1);
-	}
-
-static int mem_free(BIO *a)
-	{
-	if (a == NULL) return(0);
-	if (a->shutdown)
-		{
-		if ((a->init) && (a->ptr != NULL))
-			{
-			BUF_MEM *b;
-			b = (BUF_MEM *)a->ptr;
-			if(a->flags & BIO_FLAGS_MEM_RDONLY) b->data = NULL;
-			BUF_MEM_free(b);
-			a->ptr=NULL;
-			}
-		}
-	return(1);
-	}
-	
-static int mem_read(BIO *b, char *out, int outl)
-	{
-	int ret= -1;
-	BUF_MEM *bm;
-
-	bm=(BUF_MEM *)b->ptr;
-	BIO_clear_retry_flags(b);
-	ret=(outl >=0 && (size_t)outl > bm->length)?(int)bm->length:outl;
-	if ((out != NULL) && (ret > 0)) {
-		memcpy(out,bm->data,ret);
-		bm->length-=ret;
-		if(b->flags & BIO_FLAGS_MEM_RDONLY) bm->data += ret;
-		else {
-			memmove(&(bm->data[0]),&(bm->data[ret]),bm->length);
-		}
-	} else if (bm->length == 0)
-		{
-		ret = b->num;
-		if (ret != 0)
-			BIO_set_retry_read(b);
-		}
-	return(ret);
-	}
-
-static int mem_write(BIO *b, const char *in, int inl)
-	{
-	int ret= -1;
-	int blen;
-	BUF_MEM *bm;
-
-	bm=(BUF_MEM *)b->ptr;
-	if (in == NULL)
-		{
-		BIOerr(BIO_F_MEM_WRITE,BIO_R_NULL_PARAMETER);
-		goto end;
-		}
-
-	if(b->flags & BIO_FLAGS_MEM_RDONLY) {
-		BIOerr(BIO_F_MEM_WRITE,BIO_R_WRITE_TO_READ_ONLY_BIO);
-		goto end;
-	}
-
-	BIO_clear_retry_flags(b);
-	blen=bm->length;
-	if (BUF_MEM_grow_clean(bm,blen+inl) != (blen+inl))
-		goto end;
-	memcpy(&(bm->data[blen]),in,inl);
-	ret=inl;
-end:
-	return(ret);
-	}
-
-static long mem_ctrl(BIO *b, int cmd, long num, void *ptr)
-	{
-	long ret=1;
-	char **pptr;
-
-	BUF_MEM *bm=(BUF_MEM *)b->ptr;
-
-	switch (cmd)
-		{
-	case BIO_CTRL_RESET:
-		if (bm->data != NULL)
-			{
-			/* For read only case reset to the start again */
-			if(b->flags & BIO_FLAGS_MEM_RDONLY) 
-				{
-				bm->data -= bm->max - bm->length;
-				bm->length = bm->max;
-				}
-			else
-				{
-				memset(bm->data,0,bm->max);
-				bm->length=0;
-				}
-			}
-		break;
-	case BIO_CTRL_EOF:
-		ret=(long)(bm->length == 0);
-		break;
-	case BIO_C_SET_BUF_MEM_EOF_RETURN:
-		b->num=(int)num;
-		break;
-	case BIO_CTRL_INFO:
-		ret=(long)bm->length;
-		if (ptr != NULL)
-			{
-			pptr=(char **)ptr;
-			*pptr=(char *)&(bm->data[0]);
-			}
-		break;
-	case BIO_C_SET_BUF_MEM:
-		mem_free(b);
-		b->shutdown=(int)num;
-		b->ptr=ptr;
-		break;
-	case BIO_C_GET_BUF_MEM_PTR:
-		if (ptr != NULL)
-			{
-			pptr=(char **)ptr;
-			*pptr=(char *)bm;
-			}
-		break;
-	case BIO_CTRL_GET_CLOSE:
-		ret=(long)b->shutdown;
-		break;
-	case BIO_CTRL_SET_CLOSE:
-		b->shutdown=(int)num;
-		break;
-
-	case BIO_CTRL_WPENDING:
-		ret=0L;
-		break;
-	case BIO_CTRL_PENDING:
-		ret=(long)bm->length;
-		break;
-	case BIO_CTRL_DUP:
-	case BIO_CTRL_FLUSH:
-		ret=1;
-		break;
-	case BIO_CTRL_PUSH:
-	case BIO_CTRL_POP:
-	default:
-		ret=0;
-		break;
-		}
-	return(ret);
-	}
-
-static int mem_gets(BIO *bp, char *buf, int size)
-	{
-	int i,j;
-	int ret= -1;
-	char *p;
-	BUF_MEM *bm=(BUF_MEM *)bp->ptr;
-
-	BIO_clear_retry_flags(bp);
-	j=bm->length;
-	if ((size-1) < j) j=size-1;
-	if (j <= 0)
-		{
-		*buf='\0';
-		return 0;
-		}
-	p=bm->data;
-	for (i=0; i<j; i++)
-		{
-		if (p[i] == '\n')
-			{
-			i++;
-			break;
-			}
-		}
-
-	/*
-	 * i is now the max num of bytes to copy, either j or up to
-	 * and including the first newline
-	 */ 
-
-	i=mem_read(bp,buf,i);
-	if (i > 0) buf[i]='\0';
-	ret=i;
-	return(ret);
-	}
-
-static int mem_puts(BIO *bp, const char *str)
-	{
-	int n,ret;
-
-	n=strlen(str);
-	ret=mem_write(bp,str,n);
-	/* memory semantics is that it will always work */
-	return(ret);
-	}
-