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/* dso_beos.c */
/* Written by Marcin Konicki (ahwayakchih@neoni.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 <string.h>
#include "cryptlib.h"
#include <openssl/dso.h>
#if !defined(OPENSSL_SYS_BEOS)
DSO_METHOD *DSO_METHOD_beos(void)
{
return NULL;
}
#else
#include <kernel/image.h>
static int beos_load(DSO *dso);
static int beos_unload(DSO *dso);
static void *beos_bind_var(DSO *dso, const char *symname);
static DSO_FUNC_TYPE beos_bind_func(DSO *dso, const char *symname);
#if 0
static int beos_unbind_var(DSO *dso, char *symname, void *symptr);
static int beos_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr);
static int beos_init(DSO *dso);
static int beos_finish(DSO *dso);
static long beos_ctrl(DSO *dso, int cmd, long larg, void *parg);
#endif
static char *beos_name_converter(DSO *dso, const char *filename);
static DSO_METHOD dso_meth_beos = {
"OpenSSL 'beos' shared library method",
beos_load,
beos_unload,
beos_bind_var,
beos_bind_func,
/* For now, "unbind" doesn't exist */
#if 0
NULL, /* unbind_var */
NULL, /* unbind_func */
#endif
NULL, /* ctrl */
beos_name_converter,
NULL, /* init */
NULL /* finish */
};
DSO_METHOD *DSO_METHOD_beos(void)
{
return(&dso_meth_beos);
}
/* For this DSO_METHOD, our meth_data STACK will contain;
* (i) a pointer to the handle (image_id) returned from
* load_add_on().
*/
static int beos_load(DSO *dso)
{
image_id id;
/* See applicable comments from dso_dl.c */
char *filename = DSO_convert_filename(dso, NULL);
if(filename == NULL)
{
DSOerr(DSO_F_BEOS_LOAD,DSO_R_NO_FILENAME);
goto err;
}
id = load_add_on(filename);
if(id < 1)
{
DSOerr(DSO_F_BEOS_LOAD,DSO_R_LOAD_FAILED);
ERR_add_error_data(3, "filename(", filename, ")");
goto err;
}
if(!sk_push(dso->meth_data, (char *)id))
{
DSOerr(DSO_F_BEOS_LOAD,DSO_R_STACK_ERROR);
goto err;
}
/* Success */
dso->loaded_filename = filename;
return(1);
err:
/* Cleanup !*/
if(filename != NULL)
OPENSSL_free(filename);
if(id > 0)
unload_add_on(id);
return(0);
}
static int beos_unload(DSO *dso)
{
image_id id;
if(dso == NULL)
{
DSOerr(DSO_F_BEOS_UNLOAD,ERR_R_PASSED_NULL_PARAMETER);
return(0);
}
if(sk_num(dso->meth_data) < 1)
return(1);
id = (image_id)sk_pop(dso->meth_data);
if(id < 1)
{
DSOerr(DSO_F_BEOS_UNLOAD,DSO_R_NULL_HANDLE);
return(0);
}
if(unload_add_on(id) != B_OK)
{
DSOerr(DSO_F_BEOS_UNLOAD,DSO_R_UNLOAD_FAILED);
/* We should push the value back onto the stack in
* case of a retry. */
sk_push(dso->meth_data, (char *)id);
return(0);
}
return(1);
}
static void *beos_bind_var(DSO *dso, const char *symname)
{
image_id id;
void *sym;
if((dso == NULL) || (symname == NULL))
{
DSOerr(DSO_F_BEOS_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER);
return(NULL);
}
if(sk_num(dso->meth_data) < 1)
{
DSOerr(DSO_F_BEOS_BIND_VAR,DSO_R_STACK_ERROR);
return(NULL);
}
id = (image_id)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1);
if(id < 1)
{
DSOerr(DSO_F_BEOS_BIND_VAR,DSO_R_NULL_HANDLE);
return(NULL);
}
if(get_image_symbol(id, symname, B_SYMBOL_TYPE_DATA, &sym) != B_OK)
{
DSOerr(DSO_F_BEOS_BIND_VAR,DSO_R_SYM_FAILURE);
ERR_add_error_data(3, "symname(", symname, ")");
return(NULL);
}
return(sym);
}
static DSO_FUNC_TYPE beos_bind_func(DSO *dso, const char *symname)
{
image_id id;
void *sym;
if((dso == NULL) || (symname == NULL))
{
DSOerr(DSO_F_BEOS_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER);
return(NULL);
}
if(sk_num(dso->meth_data) < 1)
{
DSOerr(DSO_F_BEOS_BIND_FUNC,DSO_R_STACK_ERROR);
return(NULL);
}
id = (image_id)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1);
if(id < 1)
{
DSOerr(DSO_F_BEOS_BIND_FUNC,DSO_R_NULL_HANDLE);
return(NULL);
}
if(get_image_symbol(id, symname, B_SYMBOL_TYPE_TEXT, &sym) != B_OK)
{
DSOerr(DSO_F_BEOS_BIND_FUNC,DSO_R_SYM_FAILURE);
ERR_add_error_data(3, "symname(", symname, ")");
return(NULL);
}
return((DSO_FUNC_TYPE)sym);
}
/* This one is the same as the one in dlfcn */
static char *beos_name_converter(DSO *dso, const char *filename)
{
char *translated;
int len, rsize, transform;
len = strlen(filename);
rsize = len + 1;
transform = (strstr(filename, "/") == NULL);
if(transform)
{
/* We will convert this to "%s.so" or "lib%s.so" */
rsize += 3; /* The length of ".so" */
if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
rsize += 3; /* The length of "lib" */
}
translated = OPENSSL_malloc(rsize);
if(translated == NULL)
{
DSOerr(DSO_F_BEOS_NAME_CONVERTER,
DSO_R_NAME_TRANSLATION_FAILED);
return(NULL);
}
if(transform)
{
if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
sprintf(translated, "lib%s.so", filename);
else
sprintf(translated, "%s.so", filename);
}
else
sprintf(translated, "%s", filename);
return(translated);
}
#endif
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