-/* crypto/engine/eng_dyn.c */
/*
- * Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project
- * 2001.
- */
-/* ====================================================================
- * Copyright (c) 1999-2001 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 2001-2016 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
*/
#include "eng_int.h"
-#include <openssl/dso.h>
+#include "internal/dso.h"
+#include <openssl/crypto.h>
/*
* Shared libraries implementing ENGINEs for use by the "dynamic" ENGINE
*/
static int dynamic_set_data_ctx(ENGINE *e, dynamic_data_ctx **ctx)
{
- dynamic_data_ctx *c = OPENSSL_malloc(sizeof(*c));
+ dynamic_data_ctx *c = OPENSSL_zalloc(sizeof(*c));
+ int ret = 1;
- if (!c) {
+ if (c == NULL) {
ENGINEerr(ENGINE_F_DYNAMIC_SET_DATA_CTX, ERR_R_MALLOC_FAILURE);
return 0;
}
- memset(c, 0, sizeof(*c));
- c->dynamic_dso = NULL;
- c->v_check = NULL;
- c->bind_engine = NULL;
- c->DYNAMIC_LIBNAME = NULL;
- c->no_vcheck = 0;
- c->engine_id = NULL;
- c->list_add_value = 0;
- c->DYNAMIC_F1 = "v_check";
- c->DYNAMIC_F2 = "bind_engine";
- c->dir_load = 1;
c->dirs = sk_OPENSSL_STRING_new_null();
- if (!c->dirs) {
+ if (c->dirs == NULL) {
ENGINEerr(ENGINE_F_DYNAMIC_SET_DATA_CTX, ERR_R_MALLOC_FAILURE);
OPENSSL_free(c);
return 0;
}
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ c->DYNAMIC_F1 = "v_check";
+ c->DYNAMIC_F2 = "bind_engine";
+ c->dir_load = 1;
+ CRYPTO_THREAD_write_lock(global_engine_lock);
if ((*ctx = (dynamic_data_ctx *)ENGINE_get_ex_data(e,
dynamic_ex_data_idx))
== NULL) {
/* Good, we're the first */
- ENGINE_set_ex_data(e, dynamic_ex_data_idx, c);
- *ctx = c;
- c = NULL;
+ ret = ENGINE_set_ex_data(e, dynamic_ex_data_idx, c);
+ if (ret) {
+ *ctx = c;
+ c = NULL;
+ }
}
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ CRYPTO_THREAD_unlock(global_engine_lock);
/*
* If we lost the race to set the context, c is non-NULL and *ctx is the
* context of the thread that won.
*/
+ if (c)
+ sk_OPENSSL_STRING_free(c->dirs);
OPENSSL_free(c);
- return 1;
+ return ret;
}
/*
ENGINEerr(ENGINE_F_DYNAMIC_GET_DATA_CTX, ENGINE_R_NO_INDEX);
return NULL;
}
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ CRYPTO_THREAD_write_lock(global_engine_lock);
/* Avoid a race by checking again inside this lock */
if (dynamic_ex_data_idx < 0) {
/* Good, someone didn't beat us to it */
dynamic_ex_data_idx = new_idx;
new_idx = -1;
}
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ CRYPTO_THREAD_unlock(global_engine_lock);
/*
* In theory we could "give back" the index here if (new_idx>-1), but
* it's not possible and wouldn't gain us much if it were.
static ENGINE *engine_dynamic(void)
{
ENGINE *ret = ENGINE_new();
- if (!ret)
+ if (ret == NULL)
return NULL;
if (!ENGINE_set_id(ret, engine_dynamic_id) ||
!ENGINE_set_name(ret, engine_dynamic_name) ||
return ret;
}
-void ENGINE_load_dynamic(void)
+void engine_load_dynamic_int(void)
{
ENGINE *toadd = engine_dynamic();
if (!toadd)
static int dynamic_init(ENGINE *e)
{
/*
- * We always return failure - the "dyanamic" engine itself can't be used
+ * We always return failure - the "dynamic" engine itself can't be used
* for anything.
*/
return 0;
p = NULL;
OPENSSL_free(ctx->DYNAMIC_LIBNAME);
if (p)
- ctx->DYNAMIC_LIBNAME = BUF_strdup(p);
+ ctx->DYNAMIC_LIBNAME = OPENSSL_strdup(p);
else
ctx->DYNAMIC_LIBNAME = NULL;
return (ctx->DYNAMIC_LIBNAME ? 1 : 0);
p = NULL;
OPENSSL_free(ctx->engine_id);
if (p)
- ctx->engine_id = BUF_strdup(p);
+ ctx->engine_id = OPENSSL_strdup(p);
else
ctx->engine_id = NULL;
return (ctx->engine_id ? 1 : 0);
return 0;
}
{
- char *tmp_str = BUF_strdup(p);
+ char *tmp_str = OPENSSL_strdup(p);
if (!tmp_str) {
ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ERR_R_MALLOC_FAILURE);
return 0;
ENGINE cpy;
dynamic_fns fns;
- if (!ctx->dynamic_dso)
+ if (ctx->dynamic_dso == NULL)
ctx->dynamic_dso = DSO_new();
+ if (ctx->dynamic_dso == NULL)
+ return 0;
if (!ctx->DYNAMIC_LIBNAME) {
if (!ctx->engine_id)
return 0;
+ DSO_ctrl(ctx->dynamic_dso, DSO_CTRL_SET_FLAGS,
+ DSO_FLAG_NAME_TRANSLATION_EXT_ONLY, NULL);
ctx->DYNAMIC_LIBNAME =
DSO_convert_filename(ctx->dynamic_dso, ctx->engine_id);
}
* would also increase opaqueness.
*/
fns.static_state = ENGINE_get_static_state();
- CRYPTO_get_mem_functions(&fns.mem_fns.malloc_cb,
- &fns.mem_fns.realloc_cb, &fns.mem_fns.free_cb);
- fns.lock_fns.lock_locking_cb = CRYPTO_get_locking_callback();
- fns.lock_fns.lock_add_lock_cb = CRYPTO_get_add_lock_callback();
- fns.lock_fns.dynlock_create_cb = CRYPTO_get_dynlock_create_callback();
- fns.lock_fns.dynlock_lock_cb = CRYPTO_get_dynlock_lock_callback();
- fns.lock_fns.dynlock_destroy_cb = CRYPTO_get_dynlock_destroy_callback();
+ CRYPTO_get_mem_functions(&fns.mem_fns.malloc_fn, &fns.mem_fns.realloc_fn,
+ &fns.mem_fns.free_fn);
/*
* Now that we've loaded the dynamic engine, make sure no "dynamic"
* ENGINE elements will show through.
projects / openssl.git / blobdiff