Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/bio/bf_lbuf.c

Index: openssl/crypto/bio/bf_lbuf.c
diff --git a/openssl/crypto/bio/bf_lbuf.c b/openssl/crypto/bio/bf_lbuf.c
deleted file mode 100644
index ec0f7eb0b7ee21ba436a620d1a62b57021083400..0000000000000000000000000000000000000000
--- a/openssl/crypto/bio/bf_lbuf.c
+++ /dev/null
@@ -1,397 +0,0 @@
-/* crypto/bio/bf_buff.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>
-#include <openssl/evp.h>
-
-static int linebuffer_write(BIO *h, const char *buf,int num);
-static int linebuffer_read(BIO *h, char *buf, int size);
-static int linebuffer_puts(BIO *h, const char *str);
-static int linebuffer_gets(BIO *h, char *str, int size);
-static long linebuffer_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int linebuffer_new(BIO *h);
-static int linebuffer_free(BIO *data);
-static long linebuffer_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
-
-/* A 10k maximum should be enough for most purposes */
-#define DEFAULT_LINEBUFFER_SIZE	1024*10
-
-/* #define DEBUG */
-
-static BIO_METHOD methods_linebuffer=
-	{
-	BIO_TYPE_LINEBUFFER,
-	"linebuffer",
-	linebuffer_write,
-	linebuffer_read,
-	linebuffer_puts,
-	linebuffer_gets,
-	linebuffer_ctrl,
-	linebuffer_new,
-	linebuffer_free,
-	linebuffer_callback_ctrl,
-	};
-
-BIO_METHOD *BIO_f_linebuffer(void)
-	{
-	return(&methods_linebuffer);
-	}
-
-typedef struct bio_linebuffer_ctx_struct
-	{
-	char *obuf;		/* the output char array */
-	int obuf_size;		/* how big is the output buffer */
-	int obuf_len;		/* how many bytes are in it */
-	} BIO_LINEBUFFER_CTX;
-
-static int linebuffer_new(BIO *bi)
-	{
-	BIO_LINEBUFFER_CTX *ctx;
-
-	ctx=(BIO_LINEBUFFER_CTX *)OPENSSL_malloc(sizeof(BIO_LINEBUFFER_CTX));
-	if (ctx == NULL) return(0);
-	ctx->obuf=(char *)OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE);
-	if (ctx->obuf == NULL) { OPENSSL_free(ctx); return(0); }
-	ctx->obuf_size=DEFAULT_LINEBUFFER_SIZE;
-	ctx->obuf_len=0;
-
-	bi->init=1;
-	bi->ptr=(char *)ctx;
-	bi->flags=0;
-	return(1);
-	}
-
-static int linebuffer_free(BIO *a)
-	{
-	BIO_LINEBUFFER_CTX *b;
-
-	if (a == NULL) return(0);
-	b=(BIO_LINEBUFFER_CTX *)a->ptr;
-	if (b->obuf != NULL) OPENSSL_free(b->obuf);
-	OPENSSL_free(a->ptr);
-	a->ptr=NULL;
-	a->init=0;
-	a->flags=0;
-	return(1);
-	}
-	
-static int linebuffer_read(BIO *b, char *out, int outl)
-	{
-	int ret=0;
- 
-	if (out == NULL) return(0);
-	if (b->next_bio == NULL) return(0);
-	ret=BIO_read(b->next_bio,out,outl);
-	BIO_clear_retry_flags(b);
-	BIO_copy_next_retry(b);
-	return(ret);
-	}
-
-static int linebuffer_write(BIO *b, const char *in, int inl)
-	{
-	int i,num=0,foundnl;
-	BIO_LINEBUFFER_CTX *ctx;
-
-	if ((in == NULL) || (inl <= 0)) return(0);
-	ctx=(BIO_LINEBUFFER_CTX *)b->ptr;
-	if ((ctx == NULL) || (b->next_bio == NULL)) return(0);
-
-	BIO_clear_retry_flags(b);
-
-	do
-		{
-		const char *p;
-
-		for(p = in; p < in + inl && *p != '\n'; p++)
-			;
-		if (*p == '\n')
-			{
-			p++;
-			foundnl = 1;
-			}
-		else
-			foundnl = 0;
-
-		/* If a NL was found and we already have text in the save
-		   buffer, concatenate them and write */
-		while ((foundnl || p - in > ctx->obuf_size - ctx->obuf_len)
-			&& ctx->obuf_len > 0)
-			{
-			int orig_olen = ctx->obuf_len;
-			
-			i = ctx->obuf_size - ctx->obuf_len;
-			if (p - in > 0)
-				{
-				if (i >= p - in)
-					{
-					memcpy(&(ctx->obuf[ctx->obuf_len]),
-						in,p - in);
-					ctx->obuf_len += p - in;
-					inl -= p - in;
-					num += p - in;
-					in = p;
-					}
-				else
-					{
-					memcpy(&(ctx->obuf[ctx->obuf_len]),
-						in,i);
-					ctx->obuf_len += i;
-					inl -= i;
-					in += i;
-					num += i;
-					}
-				}
-
-#if 0
-BIO_write(b->next_bio, "<*<", 3);
-#endif
-			i=BIO_write(b->next_bio,
-				ctx->obuf, ctx->obuf_len);
-			if (i <= 0)
-				{
-				ctx->obuf_len = orig_olen;
-				BIO_copy_next_retry(b);
-
-#if 0
-BIO_write(b->next_bio, ">*>", 3);
-#endif
-				if (i < 0) return((num > 0)?num:i);
-				if (i == 0) return(num);
-				}
-#if 0
-BIO_write(b->next_bio, ">*>", 3);
-#endif
-			if (i < ctx->obuf_len)
-				memmove(ctx->obuf, ctx->obuf + i,
-					ctx->obuf_len - i);
-			ctx->obuf_len-=i;
-			}
-
-		/* Now that the save buffer is emptied, let's write the input
-		   buffer if a NL was found and there is anything to write. */
-		if ((foundnl || p - in > ctx->obuf_size) && p - in > 0)
-			{
-#if 0
-BIO_write(b->next_bio, "<*<", 3);
-#endif
-			i=BIO_write(b->next_bio,in,p - in);
-			if (i <= 0)
-				{
-				BIO_copy_next_retry(b);
-#if 0
-BIO_write(b->next_bio, ">*>", 3);
-#endif
-				if (i < 0) return((num > 0)?num:i);
-				if (i == 0) return(num);
-				}
-#if 0
-BIO_write(b->next_bio, ">*>", 3);
-#endif
-			num+=i;
-			in+=i;
-			inl-=i;
-			}
-		}
-	while(foundnl && inl > 0);
-	/* We've written as much as we can.  The rest of the input buffer, if
-	   any, is text that doesn't and with a NL and therefore needs to be
-	   saved for the next trip. */
-	if (inl > 0)
-		{
-		memcpy(&(ctx->obuf[ctx->obuf_len]), in, inl);
-		ctx->obuf_len += inl;
-		num += inl;
-		}
-	return num;
-	}
-
-static long linebuffer_ctrl(BIO *b, int cmd, long num, void *ptr)
-	{
-	BIO *dbio;
-	BIO_LINEBUFFER_CTX *ctx;
-	long ret=1;
-	char *p;
-	int r;
-	int obs;
-
-	ctx=(BIO_LINEBUFFER_CTX *)b->ptr;
-
-	switch (cmd)
-		{
-	case BIO_CTRL_RESET:
-		ctx->obuf_len=0;
-		if (b->next_bio == NULL) return(0);
-		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
-		break;
-	case BIO_CTRL_INFO:
-		ret=(long)ctx->obuf_len;
-		break;
-	case BIO_CTRL_WPENDING:
-		ret=(long)ctx->obuf_len;
-		if (ret == 0)
-			{
-			if (b->next_bio == NULL) return(0);
-			ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
-			}
-		break;
-	case BIO_C_SET_BUFF_SIZE:
-		obs=(int)num;
-		p=ctx->obuf;
-		if ((obs > DEFAULT_LINEBUFFER_SIZE) && (obs != ctx->obuf_size))
-			{
-			p=(char *)OPENSSL_malloc((int)num);
-			if (p == NULL)
-				goto malloc_error;
-			}
-		if (ctx->obuf != p)
-			{
-			if (ctx->obuf_len > obs)
-				{
-				ctx->obuf_len = obs;
-				}
-			memcpy(p, ctx->obuf, ctx->obuf_len);
-			OPENSSL_free(ctx->obuf);
-			ctx->obuf=p;
-			ctx->obuf_size=obs;
-			}
-		break;
-	case BIO_C_DO_STATE_MACHINE:
-		if (b->next_bio == NULL) return(0);
-		BIO_clear_retry_flags(b);
-		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
-		BIO_copy_next_retry(b);
-		break;
-
-	case BIO_CTRL_FLUSH:
-		if (b->next_bio == NULL) return(0);
-		if (ctx->obuf_len <= 0)
-			{
-			ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
-			break;
-			}
-
-		for (;;)
-			{
-			BIO_clear_retry_flags(b);
-			if (ctx->obuf_len > 0)
-				{
-				r=BIO_write(b->next_bio,
-					ctx->obuf, ctx->obuf_len);
-#if 0
-fprintf(stderr,"FLUSH %3d -> %3d\n",ctx->obuf_len,r);
-#endif
-				BIO_copy_next_retry(b);
-				if (r <= 0) return((long)r);
-				if (r < ctx->obuf_len)
-					memmove(ctx->obuf, ctx->obuf + r,
-						ctx->obuf_len - r);
-				ctx->obuf_len-=r;
-				}
-			else
-				{
-				ctx->obuf_len=0;
-				ret=1;
-				break;
-				}
-			}
-		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
-		break;
-	case BIO_CTRL_DUP:
-		dbio=(BIO *)ptr;
-		if (	!BIO_set_write_buffer_size(dbio,ctx->obuf_size))
-			ret=0;
-		break;
-	default:
-		if (b->next_bio == NULL) return(0);
-		ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
-		break;
-		}
-	return(ret);
-malloc_error:
-	BIOerr(BIO_F_LINEBUFFER_CTRL,ERR_R_MALLOC_FAILURE);
-	return(0);
-	}
-
-static long linebuffer_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 linebuffer_gets(BIO *b, char *buf, int size)
-	{
-	if (b->next_bio == NULL) return(0);
-	return(BIO_gets(b->next_bio,buf,size));
-	}
-
-static int linebuffer_puts(BIO *b, const char *str)
-	{
-	return(linebuffer_write(b,str,strlen(str)));
-	}
-