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270 lines
7.3 KiB
270 lines
7.3 KiB
/* dso_beos.c */
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/* Written by Marcin Konicki (ahwayakchih@neoni.net) for the OpenSSL
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* project 2000.
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*/
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/* ====================================================================
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* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include "cryptlib.h"
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#include <openssl/dso.h>
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#if !defined(OPENSSL_SYS_BEOS)
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DSO_METHOD *DSO_METHOD_beos(void)
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{
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return NULL;
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}
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#else
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#include <kernel/image.h>
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static int beos_load(DSO *dso);
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static int beos_unload(DSO *dso);
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static void *beos_bind_var(DSO *dso, const char *symname);
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static DSO_FUNC_TYPE beos_bind_func(DSO *dso, const char *symname);
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#if 0
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static int beos_unbind_var(DSO *dso, char *symname, void *symptr);
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static int beos_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr);
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static int beos_init(DSO *dso);
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static int beos_finish(DSO *dso);
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static long beos_ctrl(DSO *dso, int cmd, long larg, void *parg);
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#endif
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static char *beos_name_converter(DSO *dso, const char *filename);
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static DSO_METHOD dso_meth_beos = {
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"OpenSSL 'beos' shared library method",
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beos_load,
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beos_unload,
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beos_bind_var,
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beos_bind_func,
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/* For now, "unbind" doesn't exist */
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#if 0
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NULL, /* unbind_var */
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NULL, /* unbind_func */
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#endif
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NULL, /* ctrl */
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beos_name_converter,
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NULL, /* init */
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NULL /* finish */
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};
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DSO_METHOD *DSO_METHOD_beos(void)
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{
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return(&dso_meth_beos);
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}
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/* For this DSO_METHOD, our meth_data STACK will contain;
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* (i) a pointer to the handle (image_id) returned from
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* load_add_on().
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*/
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static int beos_load(DSO *dso)
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{
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image_id id;
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/* See applicable comments from dso_dl.c */
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char *filename = DSO_convert_filename(dso, NULL);
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if(filename == NULL)
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{
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DSOerr(DSO_F_BEOS_LOAD,DSO_R_NO_FILENAME);
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goto err;
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}
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id = load_add_on(filename);
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if(id < 1)
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{
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DSOerr(DSO_F_BEOS_LOAD,DSO_R_LOAD_FAILED);
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ERR_add_error_data(3, "filename(", filename, ")");
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goto err;
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}
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if(!sk_push(dso->meth_data, (char *)id))
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{
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DSOerr(DSO_F_BEOS_LOAD,DSO_R_STACK_ERROR);
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goto err;
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}
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/* Success */
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dso->loaded_filename = filename;
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return(1);
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err:
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/* Cleanup !*/
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if(filename != NULL)
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OPENSSL_free(filename);
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if(id > 0)
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unload_add_on(id);
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return(0);
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}
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static int beos_unload(DSO *dso)
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{
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image_id id;
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if(dso == NULL)
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{
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DSOerr(DSO_F_BEOS_UNLOAD,ERR_R_PASSED_NULL_PARAMETER);
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return(0);
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}
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if(sk_num(dso->meth_data) < 1)
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return(1);
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id = (image_id)sk_pop(dso->meth_data);
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if(id < 1)
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{
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DSOerr(DSO_F_BEOS_UNLOAD,DSO_R_NULL_HANDLE);
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return(0);
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}
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if(unload_add_on(id) != B_OK)
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{
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DSOerr(DSO_F_BEOS_UNLOAD,DSO_R_UNLOAD_FAILED);
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/* We should push the value back onto the stack in
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* case of a retry. */
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sk_push(dso->meth_data, (char *)id);
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return(0);
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}
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return(1);
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}
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static void *beos_bind_var(DSO *dso, const char *symname)
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{
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image_id id;
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void *sym;
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if((dso == NULL) || (symname == NULL))
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{
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DSOerr(DSO_F_BEOS_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER);
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return(NULL);
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}
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if(sk_num(dso->meth_data) < 1)
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{
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DSOerr(DSO_F_BEOS_BIND_VAR,DSO_R_STACK_ERROR);
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return(NULL);
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}
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id = (image_id)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1);
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if(id < 1)
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{
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DSOerr(DSO_F_BEOS_BIND_VAR,DSO_R_NULL_HANDLE);
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return(NULL);
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}
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if(get_image_symbol(id, symname, B_SYMBOL_TYPE_DATA, &sym) != B_OK)
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{
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DSOerr(DSO_F_BEOS_BIND_VAR,DSO_R_SYM_FAILURE);
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ERR_add_error_data(3, "symname(", symname, ")");
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return(NULL);
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}
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return(sym);
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}
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static DSO_FUNC_TYPE beos_bind_func(DSO *dso, const char *symname)
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{
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image_id id;
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void *sym;
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if((dso == NULL) || (symname == NULL))
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{
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DSOerr(DSO_F_BEOS_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER);
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return(NULL);
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}
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if(sk_num(dso->meth_data) < 1)
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{
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DSOerr(DSO_F_BEOS_BIND_FUNC,DSO_R_STACK_ERROR);
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return(NULL);
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}
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id = (image_id)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1);
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if(id < 1)
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{
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DSOerr(DSO_F_BEOS_BIND_FUNC,DSO_R_NULL_HANDLE);
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return(NULL);
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}
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if(get_image_symbol(id, symname, B_SYMBOL_TYPE_TEXT, &sym) != B_OK)
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{
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DSOerr(DSO_F_BEOS_BIND_FUNC,DSO_R_SYM_FAILURE);
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ERR_add_error_data(3, "symname(", symname, ")");
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return(NULL);
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}
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return((DSO_FUNC_TYPE)sym);
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}
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/* This one is the same as the one in dlfcn */
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static char *beos_name_converter(DSO *dso, const char *filename)
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{
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char *translated;
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int len, rsize, transform;
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len = strlen(filename);
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rsize = len + 1;
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transform = (strstr(filename, "/") == NULL);
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if(transform)
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{
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/* We will convert this to "%s.so" or "lib%s.so" */
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rsize += 3; /* The length of ".so" */
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if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
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rsize += 3; /* The length of "lib" */
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}
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translated = OPENSSL_malloc(rsize);
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if(translated == NULL)
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{
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DSOerr(DSO_F_BEOS_NAME_CONVERTER,
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DSO_R_NAME_TRANSLATION_FAILED);
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return(NULL);
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}
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if(transform)
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{
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if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
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sprintf(translated, "lib%s.so", filename);
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else
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sprintf(translated, "%s.so", filename);
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}
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else
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sprintf(translated, "%s", filename);
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return(translated);
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}
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#endif
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