dso_dl.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* dso_dl.c */
/* Written by Richard Levitte (richard@levitte.org) 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 "cryptlib.h"
#ifndef DSO_DL
DSO_METHOD *DSO_METHOD_dl(void)
{
return NULL;
}
#else
#include <dl.h>
/* Part of the hack in "dl_load" ... */
#define DSO_MAX_TRANSLATED_SIZE 256
#if 0
#endif
static DSO_METHOD dso_meth_dl = {
"OpenSSL 'dl' 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_dl(void)
{
return(&dso_meth_dl);
}
/* For this DSO_METHOD, our meth_data STACK will contain;
* (i) the handle (shl_t) returned from shl_load().
* NB: I checked on HPUX11 and shl_t is itself a pointer
* type so the cast is safe.
*/
{
/* We don't do any fancy retries or anything, just take the method's
* (or DSO's if it has the callback set) best translation of the
* platform-independant filename and try once with that. */
{
goto err;
}
{
goto err;
}
{
goto err;
}
/* Success, stick the converted filename we've loaded under into the DSO
* (it also serves as the indicator that we are currently loaded). */
return(1);
err:
/* Cleanup! */
return(0);
}
{
{
return(0);
}
return(1);
/* Is this statement legal? */
{
/* Should push the value back onto the stack in
* case of a retry. */
return(0);
}
return(1);
}
{
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);
}
/* This function is identical to the one in dso_dlfcn.c, but as it is highly
* unlikely that both the "dl" *and* "dlfcn" variants are being compiled at the
* same time, there's no great duplicating the code. Figuring out an elegant
* way to share one copy of the code would be more difficult and would not
* leave the implementations independant. */
#if defined(__hpux)
static const char extension[] = ".sl";
#else
static const char extension[] = ".so";
#endif
{
char *translated;
{
}
if(translated == NULL)
{
return(NULL);
}
if(transform)
{
else
}
else
return(translated);
}
#endif /* DSO_DL */