-/* dso_dlfcn.c -*- mode:C; c-file-style: "eay" -*- */
/*
- * Written by Geoff Thorpe (geoff@geoffthorpe.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).
+ * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
/*
# define _GNU_SOURCE /* make sure dladdr is declared */
#endif
-#include <stdio.h>
-#include "internal/cryptlib.h"
-#include <openssl/dso.h>
+#include "dso_locl.h"
-#ifndef DSO_DLFCN
-DSO_METHOD *DSO_METHOD_dlfcn(void)
-{
- return NULL;
-}
-#else
+#ifdef DSO_DLFCN
# ifdef HAVE_DLFCN_H
# ifdef __osf__
static int dlfcn_load(DSO *dso);
static int dlfcn_unload(DSO *dso);
-static void *dlfcn_bind_var(DSO *dso, const char *symname);
static DSO_FUNC_TYPE dlfcn_bind_func(DSO *dso, const char *symname);
static char *dlfcn_name_converter(DSO *dso, const char *filename);
static char *dlfcn_merger(DSO *dso, const char *filespec1,
"OpenSSL 'dlfcn' shared library method",
dlfcn_load,
dlfcn_unload,
- dlfcn_bind_var,
dlfcn_bind_func,
NULL, /* ctrl */
dlfcn_name_converter,
dlfcn_globallookup
};
-DSO_METHOD *DSO_METHOD_dlfcn(void)
+DSO_METHOD *DSO_METHOD_openssl(void)
{
- return (&dso_meth_dlfcn);
+ return &dso_meth_dlfcn;
}
/*
return (1);
}
-static void *dlfcn_bind_var(DSO *dso, const char *symname)
-{
- void *ptr, *sym;
-
- if ((dso == NULL) || (symname == NULL)) {
- DSOerr(DSO_F_DLFCN_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER);
- return (NULL);
- }
- if (sk_void_num(dso->meth_data) < 1) {
- DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_STACK_ERROR);
- return (NULL);
- }
- ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);
- if (ptr == NULL) {
- DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_NULL_HANDLE);
- return (NULL);
- }
- sym = dlsym(ptr, symname);
- if (sym == NULL) {
- DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_SYM_FAILURE);
- ERR_add_error_data(4, "symname(", symname, "): ", dlerror());
- return (NULL);
- }
- return (sym);
-}
-
static DSO_FUNC_TYPE dlfcn_bind_func(DSO *dso, const char *symname)
{
void *ptr;
* if the second file specification is missing.
*/
if (!filespec2 || (filespec1 != NULL && filespec1[0] == '/')) {
- merged = OPENSSL_malloc(strlen(filespec1) + 1);
+ merged = OPENSSL_strdup(filespec1);
if (merged == NULL) {
DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE);
return (NULL);
}
- strcpy(merged, filespec1);
}
/*
* If the first file specification is missing, the second one rules.
*/
else if (!filespec1) {
- merged = OPENSSL_malloc(strlen(filespec2) + 1);
+ merged = OPENSSL_strdup(filespec2);
if (merged == NULL) {
DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE);
return (NULL);
}
- strcpy(merged, filespec2);
} else {
/*
* This part isn't as trivial as it looks. It assumes that the
return (merged);
}
-# ifdef OPENSSL_SYS_MACOSX
-# define DSO_ext ".dylib"
-# define DSO_extlen 6
-# else
-# define DSO_ext ".so"
-# define DSO_extlen 3
-# endif
-
static char *dlfcn_name_converter(DSO *dso, const char *filename)
{
char *translated;
transform = (strstr(filename, "/") == NULL);
if (transform) {
/* We will convert this to "%s.so" or "lib%s.so" etc */
- rsize += DSO_extlen; /* The length of ".so" */
+ rsize += strlen(DSO_EXTENSION); /* The length of ".so" */
if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
rsize += 3; /* The length of "lib" */
}
}
if (transform) {
if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
- sprintf(translated, "lib%s" DSO_ext, filename);
+ sprintf(translated, "lib%s" DSO_EXTENSION, filename);
else
- sprintf(translated, "%s" DSO_ext, filename);
+ sprintf(translated, "%s" DSO_EXTENSION, filename);
} else
sprintf(translated, "%s", filename);
return (translated);
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