Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/bio/bio_lib.c

Index: openssl/crypto/bio/bio_lib.c
diff --git a/openssl/crypto/bio/bio_lib.c b/openssl/crypto/bio/bio_lib.c
deleted file mode 100644
index 9c9646afa8a22c3a6a208877c76e7f92d8458f31..0000000000000000000000000000000000000000
--- a/openssl/crypto/bio/bio_lib.c
+++ /dev/null
@@ -1,602 +0,0 @@
-/* crypto/bio/bio_lib.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 <openssl/crypto.h>
-#include "cryptlib.h"
-#include <openssl/bio.h>
-#include <openssl/stack.h>
-
-BIO *BIO_new(BIO_METHOD *method)
-	{
-	BIO *ret=NULL;
-
-	ret=(BIO *)OPENSSL_malloc(sizeof(BIO));
-	if (ret == NULL)
-		{
-		BIOerr(BIO_F_BIO_NEW,ERR_R_MALLOC_FAILURE);
-		return(NULL);
-		}
-	if (!BIO_set(ret,method))
-		{
-		OPENSSL_free(ret);
-		ret=NULL;
-		}
-	return(ret);
-	}
-
-int BIO_set(BIO *bio, BIO_METHOD *method)
-	{
-	bio->method=method;
-	bio->callback=NULL;
-	bio->cb_arg=NULL;
-	bio->init=0;
-	bio->shutdown=1;
-	bio->flags=0;
-	bio->retry_reason=0;
-	bio->num=0;
-	bio->ptr=NULL;
-	bio->prev_bio=NULL;
-	bio->next_bio=NULL;
-	bio->references=1;
-	bio->num_read=0L;
-	bio->num_write=0L;
-	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
-	if (method->create != NULL)
-		if (!method->create(bio))
-			{
-			CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio,
-					&bio->ex_data);
-			return(0);
-			}
-	return(1);
-	}
-
-int BIO_free(BIO *a)
-	{
-	int i;
-
-	if (a == NULL) return(0);
-
-	i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_BIO);
-#ifdef REF_PRINT
-	REF_PRINT("BIO",a);
-#endif
-	if (i > 0) return(1);
-#ifdef REF_CHECK
-	if (i < 0)
-		{
-		fprintf(stderr,"BIO_free, bad reference count\n");
-		abort();
-		}
-#endif
-	if ((a->callback != NULL) &&
-		((i=(int)a->callback(a,BIO_CB_FREE,NULL,0,0L,1L)) <= 0))
-			return(i);
-
-	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data);
-
-	if ((a->method == NULL) || (a->method->destroy == NULL)) return(1);
-	a->method->destroy(a);
-	OPENSSL_free(a);
-	return(1);
-	}
-
-void BIO_vfree(BIO *a)
-    { BIO_free(a); }
-
-void BIO_clear_flags(BIO *b, int flags)
-	{
-	b->flags &= ~flags;
-	}
-
-int	BIO_test_flags(const BIO *b, int flags)
-	{
-	return (b->flags & flags);
-	}
-
-void	BIO_set_flags(BIO *b, int flags)
-	{
-	b->flags |= flags;
-	}
-
-long (*BIO_get_callback(const BIO *b))(struct bio_st *,int,const char *,int, long,long)
-	{
-	return b->callback;
-	}
-
-void BIO_set_callback(BIO *b, long (*cb)(struct bio_st *,int,const char *,int, long,long))
-	{
-	b->callback = cb;
-	}
-
-void BIO_set_callback_arg(BIO *b, char *arg)
-	{
-	b->cb_arg = arg;
-	}
-
-char * BIO_get_callback_arg(const BIO *b)
-	{
-	return b->cb_arg;
-	}
-
-const char * BIO_method_name(const BIO *b)
-	{
-	return b->method->name;
-	}
-
-int BIO_method_type(const BIO *b)
-	{
-	return b->method->type;
-	}
-
-
-int BIO_read(BIO *b, void *out, int outl)
-	{
-	int i;
-	long (*cb)(BIO *,int,const char *,int,long,long);
-
-	if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL))
-		{
-		BIOerr(BIO_F_BIO_READ,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
-
-	cb=b->callback;
-	if ((cb != NULL) &&
-		((i=(int)cb(b,BIO_CB_READ,out,outl,0L,1L)) <= 0))
-			return(i);
-
-	if (!b->init)
-		{
-		BIOerr(BIO_F_BIO_READ,BIO_R_UNINITIALIZED);
-		return(-2);
-		}
-
-	i=b->method->bread(b,out,outl);
-
-	if (i > 0) b->num_read+=(unsigned long)i;
-
-	if (cb != NULL)
-		i=(int)cb(b,BIO_CB_READ|BIO_CB_RETURN,out,outl,
-			0L,(long)i);
-	return(i);
-	}
-
-int BIO_write(BIO *b, const void *in, int inl)
-	{
-	int i;
-	long (*cb)(BIO *,int,const char *,int,long,long);
-
-	if (b == NULL)
-		return(0);
-
-	cb=b->callback;
-	if ((b->method == NULL) || (b->method->bwrite == NULL))
-		{
-		BIOerr(BIO_F_BIO_WRITE,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
-
-	if ((cb != NULL) &&
-		((i=(int)cb(b,BIO_CB_WRITE,in,inl,0L,1L)) <= 0))
-			return(i);
-
-	if (!b->init)
-		{
-		BIOerr(BIO_F_BIO_WRITE,BIO_R_UNINITIALIZED);
-		return(-2);
-		}
-
-	i=b->method->bwrite(b,in,inl);
-
-	if (i > 0) b->num_write+=(unsigned long)i;
-
-	if (cb != NULL)
-		i=(int)cb(b,BIO_CB_WRITE|BIO_CB_RETURN,in,inl,
-			0L,(long)i);
-	return(i);
-	}
-
-int BIO_puts(BIO *b, const char *in)
-	{
-	int i;
-	long (*cb)(BIO *,int,const char *,int,long,long);
-
-	if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL))
-		{
-		BIOerr(BIO_F_BIO_PUTS,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
-
-	cb=b->callback;
-
-	if ((cb != NULL) &&
-		((i=(int)cb(b,BIO_CB_PUTS,in,0,0L,1L)) <= 0))
-			return(i);
-
-	if (!b->init)
-		{
-		BIOerr(BIO_F_BIO_PUTS,BIO_R_UNINITIALIZED);
-		return(-2);
-		}
-
-	i=b->method->bputs(b,in);
-
-	if (i > 0) b->num_write+=(unsigned long)i;
-
-	if (cb != NULL)
-		i=(int)cb(b,BIO_CB_PUTS|BIO_CB_RETURN,in,0,
-			0L,(long)i);
-	return(i);
-	}
-
-int BIO_gets(BIO *b, char *in, int inl)
-	{
-	int i;
-	long (*cb)(BIO *,int,const char *,int,long,long);
-
-	if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL))
-		{
-		BIOerr(BIO_F_BIO_GETS,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
-
-	cb=b->callback;
-
-	if ((cb != NULL) &&
-		((i=(int)cb(b,BIO_CB_GETS,in,inl,0L,1L)) <= 0))
-			return(i);
-
-	if (!b->init)
-		{
-		BIOerr(BIO_F_BIO_GETS,BIO_R_UNINITIALIZED);
-		return(-2);
-		}
-
-	i=b->method->bgets(b,in,inl);
-
-	if (cb != NULL)
-		i=(int)cb(b,BIO_CB_GETS|BIO_CB_RETURN,in,inl,
-			0L,(long)i);
-	return(i);
-	}
-
-int BIO_indent(BIO *b,int indent,int max)
-	{
-	if(indent < 0)
-		indent=0;
-	if(indent > max)
-		indent=max;
-	while(indent--)
-		if(BIO_puts(b," ") != 1)
-			return 0;
-	return 1;
-	}
-
-long BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg)
-	{
-	int i;
-
-	i=iarg;
-	return(BIO_ctrl(b,cmd,larg,(char *)&i));
-	}
-
-char *BIO_ptr_ctrl(BIO *b, int cmd, long larg)
-	{
-	char *p=NULL;
-
-	if (BIO_ctrl(b,cmd,larg,(char *)&p) <= 0)
-		return(NULL);
-	else
-		return(p);
-	}
-
-long BIO_ctrl(BIO *b, int cmd, long larg, void *parg)
-	{
-	long ret;
-	long (*cb)(BIO *,int,const char *,int,long,long);
-
-	if (b == NULL) return(0);
-
-	if ((b->method == NULL) || (b->method->ctrl == NULL))
-		{
-		BIOerr(BIO_F_BIO_CTRL,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
-
-	cb=b->callback;
-
-	if ((cb != NULL) &&
-		((ret=cb(b,BIO_CB_CTRL,parg,cmd,larg,1L)) <= 0))
-		return(ret);
-
-	ret=b->method->ctrl(b,cmd,larg,parg);
-
-	if (cb != NULL)
-		ret=cb(b,BIO_CB_CTRL|BIO_CB_RETURN,parg,cmd,
-			larg,ret);
-	return(ret);
-	}
-
-long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long))
-	{
-	long ret;
-	long (*cb)(BIO *,int,const char *,int,long,long);
-
-	if (b == NULL) return(0);
-
-	if ((b->method == NULL) || (b->method->callback_ctrl == NULL))
-		{
-		BIOerr(BIO_F_BIO_CALLBACK_CTRL,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
-
-	cb=b->callback;
-
-	if ((cb != NULL) &&
-		((ret=cb(b,BIO_CB_CTRL,(void *)&fp,cmd,0,1L)) <= 0))
-		return(ret);
-
-	ret=b->method->callback_ctrl(b,cmd,fp);
-
-	if (cb != NULL)
-		ret=cb(b,BIO_CB_CTRL|BIO_CB_RETURN,(void *)&fp,cmd,
-			0,ret);
-	return(ret);
-	}
-
-/* It is unfortunate to duplicate in functions what the BIO_(w)pending macros
- * do; but those macros have inappropriate return type, and for interfacing
- * from other programming languages, C macros aren't much of a help anyway. */
-size_t BIO_ctrl_pending(BIO *bio)
-	{
-	return BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL);
-	}
-
-size_t BIO_ctrl_wpending(BIO *bio)
-	{
-	return BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL);
-	}
-
-
-/* put the 'bio' on the end of b's list of operators */
-BIO *BIO_push(BIO *b, BIO *bio)
-	{
-	BIO *lb;
-
-	if (b == NULL) return(bio);
-	lb=b;
-	while (lb->next_bio != NULL)
-		lb=lb->next_bio;
-	lb->next_bio=bio;
-	if (bio != NULL)
-		bio->prev_bio=lb;
-	/* called to do internal processing */
-	BIO_ctrl(b,BIO_CTRL_PUSH,0,lb);
-	return(b);
-	}
-
-/* Remove the first and return the rest */
-BIO *BIO_pop(BIO *b)
-	{
-	BIO *ret;
-
-	if (b == NULL) return(NULL);
-	ret=b->next_bio;
-
-	BIO_ctrl(b,BIO_CTRL_POP,0,b);
-
-	if (b->prev_bio != NULL)
-		b->prev_bio->next_bio=b->next_bio;
-	if (b->next_bio != NULL)
-		b->next_bio->prev_bio=b->prev_bio;
-
-	b->next_bio=NULL;
-	b->prev_bio=NULL;
-	return(ret);
-	}
-
-BIO *BIO_get_retry_BIO(BIO *bio, int *reason)
-	{
-	BIO *b,*last;
-
-	b=last=bio;
-	for (;;)
-		{
-		if (!BIO_should_retry(b)) break;
-		last=b;
-		b=b->next_bio;
-		if (b == NULL) break;
-		}
-	if (reason != NULL) *reason=last->retry_reason;
-	return(last);
-	}
-
-int BIO_get_retry_reason(BIO *bio)
-	{
-	return(bio->retry_reason);
-	}
-
-BIO *BIO_find_type(BIO *bio, int type)
-	{
-	int mt,mask;
-
-	if(!bio) return NULL;
-	mask=type&0xff;
-	do	{
-		if (bio->method != NULL)
-			{
-			mt=bio->method->type;
-
-			if (!mask)
-				{
-				if (mt & type) return(bio);
-				}
-			else if (mt == type)
-				return(bio);
-			}
-		bio=bio->next_bio;
-		} while (bio != NULL);
-	return(NULL);
-	}
-
-BIO *BIO_next(BIO *b)
-	{
-	if(!b) return NULL;
-	return b->next_bio;
-	}
-
-void BIO_free_all(BIO *bio)
-	{
-	BIO *b;
-	int ref;
-
-	while (bio != NULL)
-		{
-		b=bio;
-		ref=b->references;
-		bio=bio->next_bio;
-		BIO_free(b);
-		/* Since ref count > 1, don't free anyone else. */
-		if (ref > 1) break;
-		}
-	}
-
-BIO *BIO_dup_chain(BIO *in)
-	{
-	BIO *ret=NULL,*eoc=NULL,*bio,*new_bio;
-
-	for (bio=in; bio != NULL; bio=bio->next_bio)
-		{
-		if ((new_bio=BIO_new(bio->method)) == NULL) goto err;
-		new_bio->callback=bio->callback;
-		new_bio->cb_arg=bio->cb_arg;
-		new_bio->init=bio->init;
-		new_bio->shutdown=bio->shutdown;
-		new_bio->flags=bio->flags;
-
-		/* This will let SSL_s_sock() work with stdin/stdout */
-		new_bio->num=bio->num;
-
-		if (!BIO_dup_state(bio,(char *)new_bio))
-			{
-			BIO_free(new_bio);
-			goto err;
-			}
-
-		/* copy app data */
-		if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO, &new_bio->ex_data,
-					&bio->ex_data))
-			goto err;
-
-		if (ret == NULL)
-			{
-			eoc=new_bio;
-			ret=eoc;
-			}
-		else
-			{
-			BIO_push(eoc,new_bio);
-			eoc=new_bio;
-			}
-		}
-	return(ret);
-err:
-	if (ret != NULL)
-		BIO_free(ret);
-	return(NULL);	
-	}
-
-void BIO_copy_next_retry(BIO *b)
-	{
-	BIO_set_flags(b,BIO_get_retry_flags(b->next_bio));
-	b->retry_reason=b->next_bio->retry_reason;
-	}
-
-int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
-	     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
-	{
-	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, argl, argp,
-				new_func, dup_func, free_func);
-	}
-
-int BIO_set_ex_data(BIO *bio, int idx, void *data)
-	{
-	return(CRYPTO_set_ex_data(&(bio->ex_data),idx,data));
-	}
-
-void *BIO_get_ex_data(BIO *bio, int idx)
-	{
-	return(CRYPTO_get_ex_data(&(bio->ex_data),idx));
-	}
-
-unsigned long BIO_number_read(BIO *bio)
-{
-	if(bio) return bio->num_read;
-	return 0;
-}
-
-unsigned long BIO_number_written(BIO *bio)
-{
-	if(bio) return bio->num_write;
-	return 0;
-}
-
-IMPLEMENT_STACK_OF(BIO)