dso_win32.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* dso_win32.c */
/* 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
* 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 <string.h>
#include "cryptlib.h"
#if !defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINCE)
DSO_METHOD *DSO_METHOD_win32(void)
{
return NULL;
}
#else
/* Part of the hack in "win32_load" ... */
#define DSO_MAX_TRANSLATED_SIZE 256
#if 0
#endif
static DSO_METHOD dso_meth_win32 = {
"OpenSSL 'win32' shared library method",
/* For now, "unbind" doesn't exist */
#if 0
NULL, /* unbind_var */
NULL, /* unbind_func */
#endif
NULL, /* ctrl */
NULL, /* init */
NULL /* finish */
};
DSO_METHOD *DSO_METHOD_win32(void)
{
return(&dso_meth_win32);
}
/* For this DSO_METHOD, our meth_data STACK will contain;
* (i) a pointer to the handle (HINSTANCE) returned from
* LoadLibrary(), and copied.
*/
{
/* See applicable comments from dso_dl.c */
{
goto err;
}
h = LoadLibrary(filename);
if(h == NULL)
{
goto err;
}
if(p == NULL)
{
goto err;
}
*p = h;
{
goto err;
}
/* Success */
return(1);
err:
/* Cleanup !*/
if(p != NULL)
OPENSSL_free(p);
if(h != NULL)
FreeLibrary(h);
return(0);
}
{
HINSTANCE *p;
{
return(0);
}
return(1);
if(p == NULL)
{
return(0);
}
if(!FreeLibrary(*p))
{
/* We should push the value back onto the stack in
* case of a retry. */
return(0);
}
/* Cleanup */
OPENSSL_free(p);
return(1);
}
/* Using GetProcAddress for variables? TODO: Check this out in
* the Win32 API docs, there's probably a variant for variables. */
{
void *sym;
{
return(NULL);
}
{
return(NULL);
}
{
return(NULL);
}
{
return(NULL);
}
return(sym);
}
{
void *sym;
{
return(NULL);
}
{
return(NULL);
}
{
return(NULL);
}
{
return(NULL);
}
return((DSO_FUNC_TYPE)sym);
}
{
char *translated;
if(transform)
/* We will convert this to "%s.dll" */
else
/* We will simply duplicate filename */
if(translated == NULL)
{
return(NULL);
}
if(transform)
else
return(translated);
}
#endif /* OPENSSL_SYS_WIN32 */