Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/dso/dso_lib.c

Index: openssl/crypto/dso/dso_lib.c
diff --git a/openssl/crypto/dso/dso_lib.c b/openssl/crypto/dso/dso_lib.c
deleted file mode 100644
index 7801529829862bf7f550e82e7a856e28e1d20146..0000000000000000000000000000000000000000
--- a/openssl/crypto/dso/dso_lib.c
+++ /dev/null
@@ -1,491 +0,0 @@
-/* dso_lib.c -*- mode:C; c-file-style: "eay" -*- */
-/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
- * project 2000.
- */
-/* ====================================================================
- * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
- *
- * 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 above 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 acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#include <stdio.h>
-#include <openssl/crypto.h>
-#include "cryptlib.h"
-#include <openssl/dso.h>
-
-static DSO_METHOD *default_DSO_meth = NULL;
-
-DSO *DSO_new(void)
-	{
-	return(DSO_new_method(NULL));
-	}
-
-void DSO_set_default_method(DSO_METHOD *meth)
-	{
-	default_DSO_meth = meth;
-	}
-
-DSO_METHOD *DSO_get_default_method(void)
-	{
-	return(default_DSO_meth);
-	}
-
-DSO_METHOD *DSO_get_method(DSO *dso)
-	{
-	return(dso->meth);
-	}
-
-DSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth)
-	{
-	DSO_METHOD *mtmp;
-	mtmp = dso->meth;
-	dso->meth = meth;
-	return(mtmp);
-	}
-
-DSO *DSO_new_method(DSO_METHOD *meth)
-	{
-	DSO *ret;
-
-	if(default_DSO_meth == NULL)
-		/* We default to DSO_METH_openssl() which in turn defaults
-		 * to stealing the "best available" method. Will fallback
-		 * to DSO_METH_null() in the worst case. */
-		default_DSO_meth = DSO_METHOD_openssl();
-	ret = (DSO *)OPENSSL_malloc(sizeof(DSO));
-	if(ret == NULL)
-		{
-		DSOerr(DSO_F_DSO_NEW_METHOD,ERR_R_MALLOC_FAILURE);
-		return(NULL);
-		}
-	memset(ret, 0, sizeof(DSO));
-	ret->meth_data = sk_void_new_null();
-	if(ret->meth_data == NULL)
-		{
-		/* sk_new doesn't generate any errors so we do */
-		DSOerr(DSO_F_DSO_NEW_METHOD,ERR_R_MALLOC_FAILURE);
-		OPENSSL_free(ret);
-		return(NULL);
-		}
-	if(meth == NULL)
-		ret->meth = default_DSO_meth;
-	else
-		ret->meth = meth;
-	ret->references = 1;
-	if((ret->meth->init != NULL) && !ret->meth->init(ret))
-		{
-		OPENSSL_free(ret);
-		ret=NULL;
-		}
-	return(ret);
-	}
-
-int DSO_free(DSO *dso)
-	{
-        int i;
- 
-	if(dso == NULL)
-		{
-		DSOerr(DSO_F_DSO_FREE,ERR_R_PASSED_NULL_PARAMETER);
-		return(0);
-		}
- 
-	i=CRYPTO_add(&dso->references,-1,CRYPTO_LOCK_DSO);
-#ifdef REF_PRINT
-	REF_PRINT("DSO",dso);
-#endif
-	if(i > 0) return(1);
-#ifdef REF_CHECK
-	if(i < 0)
-		{
-		fprintf(stderr,"DSO_free, bad reference count\n");
-		abort();
-		}
-#endif
-
-	if((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso))
-		{
-		DSOerr(DSO_F_DSO_FREE,DSO_R_UNLOAD_FAILED);
-		return(0);
-		}
- 
-	if((dso->meth->finish != NULL) && !dso->meth->finish(dso))
-		{
-		DSOerr(DSO_F_DSO_FREE,DSO_R_FINISH_FAILED);
-		return(0);
-		}
-	
-	sk_void_free(dso->meth_data);
-	if(dso->filename != NULL)
-		OPENSSL_free(dso->filename);
-	if(dso->loaded_filename != NULL)
-		OPENSSL_free(dso->loaded_filename);
- 
-	OPENSSL_free(dso);
-	return(1);
-	}
-
-int DSO_flags(DSO *dso)
-	{
-	return((dso == NULL) ? 0 : dso->flags);
-	}
-
-
-int DSO_up_ref(DSO *dso)
-	{
-	if (dso == NULL)
-		{
-		DSOerr(DSO_F_DSO_UP_REF,ERR_R_PASSED_NULL_PARAMETER);
-		return(0);
-		}
-
-	CRYPTO_add(&dso->references,1,CRYPTO_LOCK_DSO);
-	return(1);
-	}
-
-DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags)
-	{
-	DSO *ret;
-	int allocated = 0;
-
-	if(dso == NULL)
-		{
-		ret = DSO_new_method(meth);
-		if(ret == NULL)
-			{
-			DSOerr(DSO_F_DSO_LOAD,ERR_R_MALLOC_FAILURE);
-			goto err;
-			}
-		allocated = 1;
-		/* Pass the provided flags to the new DSO object */
-		if(DSO_ctrl(ret, DSO_CTRL_SET_FLAGS, flags, NULL) < 0)
-			{
-			DSOerr(DSO_F_DSO_LOAD,DSO_R_CTRL_FAILED);
-			goto err;
-			}
-		}
-	else
-		ret = dso;
-	/* Don't load if we're currently already loaded */
-	if(ret->filename != NULL)
-		{
-		DSOerr(DSO_F_DSO_LOAD,DSO_R_DSO_ALREADY_LOADED);
-		goto err;
-		}
-	/* filename can only be NULL if we were passed a dso that already has
-	 * one set. */
-	if(filename != NULL)
-		if(!DSO_set_filename(ret, filename))
-			{
-			DSOerr(DSO_F_DSO_LOAD,DSO_R_SET_FILENAME_FAILED);
-			goto err;
-			}
-	filename = ret->filename;
-	if(filename == NULL)
-		{
-		DSOerr(DSO_F_DSO_LOAD,DSO_R_NO_FILENAME);
-		goto err;
-		}
-	if(ret->meth->dso_load == NULL)
-		{
-		DSOerr(DSO_F_DSO_LOAD,DSO_R_UNSUPPORTED);
-		/* Make sure we unset the filename on failure, because we use
-		 * this to determine when the DSO has been loaded above. */
-		OPENSSL_free(ret->filename);
-		ret->filename = NULL;
-		goto err;
-		}
-	if(!ret->meth->dso_load(ret))
-		{
-		DSOerr(DSO_F_DSO_LOAD,DSO_R_LOAD_FAILED);
-		/* Make sure we unset the filename on failure, because we use
-		 * this to determine when the DSO has been loaded above. */
-		OPENSSL_free(ret->filename);
-		ret->filename = NULL;
-		goto err;
-		}
-	/* Load succeeded */
-	return(ret);
-err:
-	if(allocated)
-		DSO_free(ret);
-	return(NULL);
-	}
-
-void *DSO_bind_var(DSO *dso, const char *symname)
-	{
-	void *ret = NULL;
-
-	if((dso == NULL) || (symname == NULL))
-		{
-		DSOerr(DSO_F_DSO_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER);
-		return(NULL);
-		}
-	if(dso->meth->dso_bind_var == NULL)
-		{
-		DSOerr(DSO_F_DSO_BIND_VAR,DSO_R_UNSUPPORTED);
-		return(NULL);
-		}
-	if((ret = dso->meth->dso_bind_var(dso, symname)) == NULL)
-		{
-		DSOerr(DSO_F_DSO_BIND_VAR,DSO_R_SYM_FAILURE);
-		return(NULL);
-		}
-	/* Success */
-	return(ret);
-	}
-
-DSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname)
-	{
-	DSO_FUNC_TYPE ret = NULL;
-
-	if((dso == NULL) || (symname == NULL))
-		{
-		DSOerr(DSO_F_DSO_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER);
-		return(NULL);
-		}
-	if(dso->meth->dso_bind_func == NULL)
-		{
-		DSOerr(DSO_F_DSO_BIND_FUNC,DSO_R_UNSUPPORTED);
-		return(NULL);
-		}
-	if((ret = dso->meth->dso_bind_func(dso, symname)) == NULL)
-		{
-		DSOerr(DSO_F_DSO_BIND_FUNC,DSO_R_SYM_FAILURE);
-		return(NULL);
-		}
-	/* Success */
-	return(ret);
-	}
-
-/* I don't really like these *_ctrl functions very much to be perfectly
- * honest. For one thing, I think I have to return a negative value for
- * any error because possible DSO_ctrl() commands may return values
- * such as "size"s that can legitimately be zero (making the standard
- * "if(DSO_cmd(...))" form that works almost everywhere else fail at
- * odd times. I'd prefer "output" values to be passed by reference and
- * the return value as success/failure like usual ... but we conform
- * when we must... :-) */
-long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg)
-	{
-	if(dso == NULL)
-		{
-		DSOerr(DSO_F_DSO_CTRL,ERR_R_PASSED_NULL_PARAMETER);
-		return(-1);
-		}
-	/* We should intercept certain generic commands and only pass control
-	 * to the method-specific ctrl() function if it's something we don't
-	 * handle. */
-	switch(cmd)
-		{
-	case DSO_CTRL_GET_FLAGS:
-		return dso->flags;
-	case DSO_CTRL_SET_FLAGS:
-		dso->flags = (int)larg;
-		return(0);
-	case DSO_CTRL_OR_FLAGS:
-		dso->flags |= (int)larg;
-		return(0);
-	default:
-		break;
-		}
-	if((dso->meth == NULL) || (dso->meth->dso_ctrl == NULL))
-		{
-		DSOerr(DSO_F_DSO_CTRL,DSO_R_UNSUPPORTED);
-		return(-1);
-		}
-	return(dso->meth->dso_ctrl(dso,cmd,larg,parg));
-	}
-
-int DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb,
-			DSO_NAME_CONVERTER_FUNC *oldcb)
-	{
-	if(dso == NULL)
-		{
-		DSOerr(DSO_F_DSO_SET_NAME_CONVERTER,
-				ERR_R_PASSED_NULL_PARAMETER);
-		return(0);
-		}
-	if(oldcb)
-		*oldcb = dso->name_converter;
-	dso->name_converter = cb;
-	return(1);
-	}
-
-const char *DSO_get_filename(DSO *dso)
-	{
-	if(dso == NULL)
-		{
-		DSOerr(DSO_F_DSO_GET_FILENAME,ERR_R_PASSED_NULL_PARAMETER);
-		return(NULL);
-		}
-	return(dso->filename);
-	}
-
-int DSO_set_filename(DSO *dso, const char *filename)
-	{
-	char *copied;
-
-	if((dso == NULL) || (filename == NULL))
-		{
-		DSOerr(DSO_F_DSO_SET_FILENAME,ERR_R_PASSED_NULL_PARAMETER);
-		return(0);
-		}
-	if(dso->loaded_filename)
-		{
-		DSOerr(DSO_F_DSO_SET_FILENAME,DSO_R_DSO_ALREADY_LOADED);
-		return(0);
-		}
-	/* We'll duplicate filename */
-	copied = OPENSSL_malloc(strlen(filename) + 1);
-	if(copied == NULL)
-		{
-		DSOerr(DSO_F_DSO_SET_FILENAME,ERR_R_MALLOC_FAILURE);
-		return(0);
-		}
-	BUF_strlcpy(copied, filename, strlen(filename) + 1);
-	if(dso->filename)
-		OPENSSL_free(dso->filename);
-	dso->filename = copied;
-	return(1);
-	}
-
-char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2)
-	{
-	char *result = NULL;
-
-	if(dso == NULL || filespec1 == NULL)
-		{
-		DSOerr(DSO_F_DSO_MERGE,ERR_R_PASSED_NULL_PARAMETER);
-		return(NULL);
-		}
-	if((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0)
-		{
-		if(dso->merger != NULL)
-			result = dso->merger(dso, filespec1, filespec2);
-		else if(dso->meth->dso_merger != NULL)
-			result = dso->meth->dso_merger(dso,
-				filespec1, filespec2);
-		}
-	return(result);
-	}
-
-char *DSO_convert_filename(DSO *dso, const char *filename)
-	{
-	char *result = NULL;
-
-	if(dso == NULL)
-		{
-		DSOerr(DSO_F_DSO_CONVERT_FILENAME,ERR_R_PASSED_NULL_PARAMETER);
-		return(NULL);
-		}
-	if(filename == NULL)
-		filename = dso->filename;
-	if(filename == NULL)
-		{
-		DSOerr(DSO_F_DSO_CONVERT_FILENAME,DSO_R_NO_FILENAME);
-		return(NULL);
-		}
-	if((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0)
-		{
-		if(dso->name_converter != NULL)
-			result = dso->name_converter(dso, filename);
-		else if(dso->meth->dso_name_converter != NULL)
-			result = dso->meth->dso_name_converter(dso, filename);
-		}
-	if(result == NULL)
-		{
-		result = OPENSSL_malloc(strlen(filename) + 1);
-		if(result == NULL)
-			{
-			DSOerr(DSO_F_DSO_CONVERT_FILENAME,
-					ERR_R_MALLOC_FAILURE);
-			return(NULL);
-			}
-		BUF_strlcpy(result, filename, strlen(filename) + 1);
-		}
-	return(result);
-	}
-
-const char *DSO_get_loaded_filename(DSO *dso)
-	{
-	if(dso == NULL)
-		{
-		DSOerr(DSO_F_DSO_GET_LOADED_FILENAME,
-				ERR_R_PASSED_NULL_PARAMETER);
-		return(NULL);
-		}
-	return(dso->loaded_filename);
-	}
-
-int DSO_pathbyaddr(void *addr,char *path,int sz)
-	{
-	DSO_METHOD *meth = default_DSO_meth;
-	if (meth == NULL) meth = DSO_METHOD_openssl();
-	if (meth->pathbyaddr == NULL)
-		{
-		DSOerr(DSO_F_DSO_PATHBYADDR,DSO_R_UNSUPPORTED);
-		return -1;
-		}
-	return (*meth->pathbyaddr)(addr,path,sz);
-	}
-
-void *DSO_global_lookup(const char *name)
-	{
-	DSO_METHOD *meth = default_DSO_meth;
-	if (meth == NULL) meth = DSO_METHOD_openssl();
-	if (meth->globallookup == NULL)
-		{
-		DSOerr(DSO_F_DSO_GLOBAL_LOOKUP,DSO_R_UNSUPPORTED);
-		return NULL;
-		}
-	return (*meth->globallookup)(name);
-	}