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253 lines
8.0 KiB
253 lines
8.0 KiB
/* dso_beos.c */ |
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/* |
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* Written by Marcin Konicki (ahwayakchih@neoni.net) for the OpenSSL project |
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* 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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/* |
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* For this DSO_METHOD, our meth_data STACK will contain; (i) a pointer to |
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* the handle (image_id) returned from 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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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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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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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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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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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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DSOerr(DSO_F_BEOS_UNLOAD, DSO_R_UNLOAD_FAILED); |
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/* |
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* We should push the value back onto the stack in case of a retry. |
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*/ |
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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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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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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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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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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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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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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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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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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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/* 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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DSOerr(DSO_F_BEOS_NAME_CONVERTER, 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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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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} 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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