+++ /dev/null
-/* 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
- * 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 "cryptlib.h"
-#include <openssl/dso.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
-
-static int dl_load(DSO *dso);
-static int dl_unload(DSO *dso);
-static void *dl_bind_var(DSO *dso, const char *symname);
-static DSO_FUNC_TYPE dl_bind_func(DSO *dso, const char *symname);
-#if 0
-static int dl_unbind_var(DSO *dso, char *symname, void *symptr);
-static int dl_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr);
-static int dl_init(DSO *dso);
-static int dl_finish(DSO *dso);
-static int dl_ctrl(DSO *dso, int cmd, long larg, void *parg);
-#endif
-static char *dl_name_converter(DSO *dso, const char *filename);
-
-static DSO_METHOD dso_meth_dl = {
- "OpenSSL 'dl' shared library method",
- dl_load,
- dl_unload,
- dl_bind_var,
- dl_bind_func,
-/* For now, "unbind" doesn't exist */
-#if 0
- NULL, /* unbind_var */
- NULL, /* unbind_func */
-#endif
- NULL, /* ctrl */
- dl_name_converter,
- 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.
- */
-
-static int dl_load(DSO *dso)
- {
- shl_t ptr = NULL;
- /* 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. */
- char *filename= DSO_convert_filename(dso, NULL);
-
- if(filename == NULL)
- {
- DSOerr(DSO_F_DL_LOAD,DSO_R_NO_FILENAME);
- goto err;
- }
- ptr = shl_load(filename, BIND_IMMEDIATE|DYNAMIC_PATH, 0L);
- if(ptr == NULL)
- {
- DSOerr(DSO_F_DL_LOAD,DSO_R_LOAD_FAILED);
- ERR_add_error_data(4, "filename(", filename, "): ",
- strerror(errno));
- goto err;
- }
- if(!sk_push(dso->meth_data, (char *)ptr))
- {
- DSOerr(DSO_F_DL_LOAD,DSO_R_STACK_ERROR);
- 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). */
- dso->loaded_filename = filename;
- return(1);
-err:
- /* Cleanup! */
- if(filename != NULL)
- OPENSSL_free(filename);
- if(ptr != NULL)
- shl_unload(ptr);
- return(0);
- }
-
-static int dl_unload(DSO *dso)
- {
- shl_t ptr;
- if(dso == NULL)
- {
- DSOerr(DSO_F_DL_UNLOAD,ERR_R_PASSED_NULL_PARAMETER);
- return(0);
- }
- if(sk_num(dso->meth_data) < 1)
- return(1);
- /* Is this statement legal? */
- ptr = (shl_t)sk_pop(dso->meth_data);
- if(ptr == NULL)
- {
- DSOerr(DSO_F_DL_UNLOAD,DSO_R_NULL_HANDLE);
- /* Should push the value back onto the stack in
- * case of a retry. */
- sk_push(dso->meth_data, (char *)ptr);
- return(0);
- }
- shl_unload(ptr);
- return(1);
- }
-
-static void *dl_bind_var(DSO *dso, const char *symname)
- {
- shl_t ptr;
- void *sym;
-
- if((dso == NULL) || (symname == NULL))
- {
- DSOerr(DSO_F_DL_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER);
- return(NULL);
- }
- if(sk_num(dso->meth_data) < 1)
- {
- DSOerr(DSO_F_DL_BIND_VAR,DSO_R_STACK_ERROR);
- return(NULL);
- }
- ptr = (shl_t)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1);
- if(ptr == NULL)
- {
- DSOerr(DSO_F_DL_BIND_VAR,DSO_R_NULL_HANDLE);
- return(NULL);
- }
- if (shl_findsym(&ptr, symname, TYPE_UNDEFINED, &sym) < 0)
- {
- DSOerr(DSO_F_DL_BIND_VAR,DSO_R_SYM_FAILURE);
- ERR_add_error_data(4, "symname(", symname, "): ",
- strerror(errno));
- return(NULL);
- }
- return(sym);
- }
-
-static DSO_FUNC_TYPE dl_bind_func(DSO *dso, const char *symname)
- {
- shl_t ptr;
- void *sym;
-
- if((dso == NULL) || (symname == NULL))
- {
- DSOerr(DSO_F_DL_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER);
- return(NULL);
- }
- if(sk_num(dso->meth_data) < 1)
- {
- DSOerr(DSO_F_DL_BIND_FUNC,DSO_R_STACK_ERROR);
- return(NULL);
- }
- ptr = (shl_t)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1);
- if(ptr == NULL)
- {
- DSOerr(DSO_F_DL_BIND_FUNC,DSO_R_NULL_HANDLE);
- return(NULL);
- }
- if (shl_findsym(&ptr, symname, TYPE_UNDEFINED, &sym) < 0)
- {
- DSOerr(DSO_F_DL_BIND_FUNC,DSO_R_SYM_FAILURE);
- ERR_add_error_data(4, "symname(", symname, "): ",
- strerror(errno));
- 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
-static char *dl_name_converter(DSO *dso, const char *filename)
- {
- char *translated;
- int len, rsize, transform;
-
- len = strlen(filename);
- rsize = len + 1;
- transform = (strstr(filename, "/") == NULL);
- {
- /* We will convert this to "%s.s?" or "lib%s.s?" */
- rsize += strlen(extension);/* The length of ".s?" */
- 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_DL_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%s", filename, extension);
- else
- sprintf(translated, "%s%s", filename, extension);
- }
- else
- sprintf(translated, "%s", filename);
- return(translated);
- }
-
-#endif /* DSO_DL */
projects / bcm963xx.git / blobdiff