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Diffstat (limited to 'Cryptlib/OpenSSL/crypto/dso/dso_lib.c')
-rw-r--r--Cryptlib/OpenSSL/crypto/dso/dso_lib.c247
1 files changed, 173 insertions, 74 deletions
diff --git a/Cryptlib/OpenSSL/crypto/dso/dso_lib.c b/Cryptlib/OpenSSL/crypto/dso/dso_lib.c
index f58237d6..2beb7c1b 100644
--- a/Cryptlib/OpenSSL/crypto/dso/dso_lib.c
+++ b/Cryptlib/OpenSSL/crypto/dso/dso_lib.c
@@ -1,33 +1,114 @@
+/* dso_lib.c */
/*
- * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * 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).
*
- * 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
*/
-#include "dso_locl.h"
+#include <stdio.h>
+#include <openssl/crypto.h>
+#include "cryptlib.h"
+#include <openssl/dso.h>
static DSO_METHOD *default_DSO_meth = NULL;
-static DSO *DSO_new_method(DSO_METHOD *meth)
+DSO *DSO_new(void)
+{
+ return (DSO_new_method(NULL));
+}
+
+void DSO_set_default_method(DSO_METHOD *meth)
+{
+ default_DSO_meth = meth;
+}
+
+DSO_METHOD *DSO_get_default_method(void)
+{
+ return (default_DSO_meth);
+}
+
+DSO_METHOD *DSO_get_method(DSO *dso)
+{
+ return (dso->meth);
+}
+
+DSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth)
+{
+ DSO_METHOD *mtmp;
+ mtmp = dso->meth;
+ dso->meth = meth;
+ return (mtmp);
+}
+
+DSO *DSO_new_method(DSO_METHOD *meth)
{
DSO *ret;
- if (default_DSO_meth == NULL) {
+ if (default_DSO_meth == NULL)
/*
* We default to DSO_METH_openssl() which in turn defaults to
* stealing the "best available" method. Will fallback to
* DSO_METH_null() in the worst case.
*/
default_DSO_meth = DSO_METHOD_openssl();
- }
- ret = OPENSSL_zalloc(sizeof(*ret));
+ ret = (DSO *)OPENSSL_malloc(sizeof(DSO));
if (ret == NULL) {
DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
return (NULL);
}
+ memset(ret, 0, sizeof(DSO));
ret->meth_data = sk_void_new_null();
if (ret->meth_data == NULL) {
/* sk_new doesn't generate any errors so we do */
@@ -35,62 +116,59 @@ static DSO *DSO_new_method(DSO_METHOD *meth)
OPENSSL_free(ret);
return (NULL);
}
- ret->meth = default_DSO_meth;
+ if (meth == NULL)
+ ret->meth = default_DSO_meth;
+ else
+ ret->meth = meth;
ret->references = 1;
- ret->lock = CRYPTO_THREAD_lock_new();
- if (ret->lock == NULL) {
- DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
+ if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
sk_void_free(ret->meth_data);
OPENSSL_free(ret);
- return NULL;
- }
-
- if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
- DSO_free(ret);
ret = NULL;
}
-
- return ret;
-}
-
-DSO *DSO_new(void)
-{
- return DSO_new_method(NULL);
+ return (ret);
}
int DSO_free(DSO *dso)
{
int i;
- if (dso == NULL)
- return (1);
-
- if (CRYPTO_atomic_add(&dso->references, -1, &i, dso->lock) <= 0)
- return 0;
+ if (dso == NULL) {
+ DSOerr(DSO_F_DSO_FREE, ERR_R_PASSED_NULL_PARAMETER);
+ return (0);
+ }
- REF_PRINT_COUNT("DSO", dso);
+ i = CRYPTO_add(&dso->references, -1, CRYPTO_LOCK_DSO);
+#ifdef REF_PRINT
+ REF_PRINT("DSO", dso);
+#endif
if (i > 0)
- return 1;
- REF_ASSERT_ISNT(i < 0);
+ return (1);
+#ifdef REF_CHECK
+ if (i < 0) {
+ fprintf(stderr, "DSO_free, bad reference count\n");
+ abort();
+ }
+#endif
- if ((dso->flags & DSO_FLAG_NO_UNLOAD_ON_FREE) == 0) {
- if ((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) {
- DSOerr(DSO_F_DSO_FREE, DSO_R_UNLOAD_FAILED);
- return 0;
- }
+ if ((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) {
+ DSOerr(DSO_F_DSO_FREE, DSO_R_UNLOAD_FAILED);
+ return (0);
}
if ((dso->meth->finish != NULL) && !dso->meth->finish(dso)) {
DSOerr(DSO_F_DSO_FREE, DSO_R_FINISH_FAILED);
- return 0;
+ return (0);
}
sk_void_free(dso->meth_data);
- OPENSSL_free(dso->filename);
- OPENSSL_free(dso->loaded_filename);
- CRYPTO_THREAD_lock_free(dso->lock);
+ if (dso->filename != NULL)
+ OPENSSL_free(dso->filename);
+ if (dso->loaded_filename != NULL)
+ OPENSSL_free(dso->loaded_filename);
+
OPENSSL_free(dso);
- return 1;
+ return (1);
}
int DSO_flags(DSO *dso)
@@ -100,19 +178,13 @@ int DSO_flags(DSO *dso)
int DSO_up_ref(DSO *dso)
{
- int i;
-
if (dso == NULL) {
DSOerr(DSO_F_DSO_UP_REF, ERR_R_PASSED_NULL_PARAMETER);
- return 0;
+ return (0);
}
- if (CRYPTO_atomic_add(&dso->references, 1, &i, dso->lock) <= 0)
- return 0;
-
- REF_PRINT_COUNT("DSO", r);
- REF_ASSERT_ISNT(i < 2);
- return ((i > 1) ? 1 : 0);
+ CRYPTO_add(&dso->references, 1, CRYPTO_LOCK_DSO);
+ return (1);
}
DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags)
@@ -169,6 +241,26 @@ DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags)
return (NULL);
}
+void *DSO_bind_var(DSO *dso, const char *symname)
+{
+ void *ret = NULL;
+
+ if ((dso == NULL) || (symname == NULL)) {
+ DSOerr(DSO_F_DSO_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER);
+ return (NULL);
+ }
+ if (dso->meth->dso_bind_var == NULL) {
+ DSOerr(DSO_F_DSO_BIND_VAR, DSO_R_UNSUPPORTED);
+ return (NULL);
+ }
+ if ((ret = dso->meth->dso_bind_var(dso, symname)) == NULL) {
+ DSOerr(DSO_F_DSO_BIND_VAR, DSO_R_SYM_FAILURE);
+ return (NULL);
+ }
+ /* Success */
+ return (ret);
+}
+
DSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname)
{
DSO_FUNC_TYPE ret = NULL;
@@ -227,6 +319,19 @@ long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg)
return (dso->meth->dso_ctrl(dso, cmd, larg, parg));
}
+int DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb,
+ DSO_NAME_CONVERTER_FUNC *oldcb)
+{
+ if (dso == NULL) {
+ DSOerr(DSO_F_DSO_SET_NAME_CONVERTER, ERR_R_PASSED_NULL_PARAMETER);
+ return (0);
+ }
+ if (oldcb)
+ *oldcb = dso->name_converter;
+ dso->name_converter = cb;
+ return (1);
+}
+
const char *DSO_get_filename(DSO *dso)
{
if (dso == NULL) {
@@ -249,12 +354,14 @@ int DSO_set_filename(DSO *dso, const char *filename)
return (0);
}
/* We'll duplicate filename */
- copied = OPENSSL_strdup(filename);
+ copied = OPENSSL_malloc(strlen(filename) + 1);
if (copied == NULL) {
DSOerr(DSO_F_DSO_SET_FILENAME, ERR_R_MALLOC_FAILURE);
return (0);
}
- OPENSSL_free(dso->filename);
+ BUF_strlcpy(copied, filename, strlen(filename) + 1);
+ if (dso->filename)
+ OPENSSL_free(dso->filename);
dso->filename = copied;
return (1);
}
@@ -297,15 +404,25 @@ char *DSO_convert_filename(DSO *dso, const char *filename)
result = dso->meth->dso_name_converter(dso, filename);
}
if (result == NULL) {
- result = OPENSSL_strdup(filename);
+ result = OPENSSL_malloc(strlen(filename) + 1);
if (result == NULL) {
DSOerr(DSO_F_DSO_CONVERT_FILENAME, ERR_R_MALLOC_FAILURE);
return (NULL);
}
+ BUF_strlcpy(result, filename, strlen(filename) + 1);
}
return (result);
}
+const char *DSO_get_loaded_filename(DSO *dso)
+{
+ if (dso == NULL) {
+ DSOerr(DSO_F_DSO_GET_LOADED_FILENAME, ERR_R_PASSED_NULL_PARAMETER);
+ return (NULL);
+ }
+ return (dso->loaded_filename);
+}
+
int DSO_pathbyaddr(void *addr, char *path, int sz)
{
DSO_METHOD *meth = default_DSO_meth;
@@ -318,24 +435,6 @@ int DSO_pathbyaddr(void *addr, char *path, int sz)
return (*meth->pathbyaddr) (addr, path, sz);
}
-DSO *DSO_dsobyaddr(void *addr, int flags)
-{
- DSO *ret = NULL;
- char *filename = NULL;
- int len = DSO_pathbyaddr(addr, NULL, 0);
-
- if (len < 0)
- return NULL;
-
- filename = OPENSSL_malloc(len);
- if (filename != NULL
- && DSO_pathbyaddr(addr, filename, len) == len)
- ret = DSO_load(NULL, filename, NULL, flags);
-
- OPENSSL_free(filename);
- return ret;
-}
-
void *DSO_global_lookup(const char *name)
{
DSO_METHOD *meth = default_DSO_meth;
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-30 18:49:36 +0000