-/* 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 2001-2021 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the Apache License 2.0 (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>
+/* We need to use some engine deprecated APIs */
+#define OPENSSL_SUPPRESS_DEPRECATED
+
+#include "eng_local.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_zalloc(sizeof(*c));
+ int ret = 0;
if (c == NULL) {
- ENGINEerr(ENGINE_F_DYNAMIC_SET_DATA_CTX, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_ENGINE, ERR_R_MALLOC_FAILURE);
return 0;
}
c->dirs = sk_OPENSSL_STRING_new_null();
if (c->dirs == NULL) {
- ENGINEerr(ENGINE_F_DYNAMIC_SET_DATA_CTX, ERR_R_MALLOC_FAILURE);
- OPENSSL_free(c);
- return 0;
+ ERR_raise(ERR_LIB_ENGINE, ERR_R_MALLOC_FAILURE);
+ goto end;
}
c->DYNAMIC_F1 = "v_check";
c->DYNAMIC_F2 = "bind_engine";
c->dir_load = 1;
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ if (!CRYPTO_THREAD_write_lock(global_engine_lock))
+ goto end;
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);
+ ret = 1;
/*
* If we lost the race to set the context, c is non-NULL and *ctx is the
* context of the thread that won.
*/
+end:
+ if (c != NULL)
+ sk_OPENSSL_STRING_free(c->dirs);
OPENSSL_free(c);
- return 1;
+ return ret;
}
/*
int new_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL,
dynamic_data_ctx_free_func);
if (new_idx == -1) {
- ENGINEerr(ENGINE_F_DYNAMIC_GET_DATA_CTX, ENGINE_R_NO_INDEX);
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NO_INDEX);
return NULL;
}
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ if (!CRYPTO_THREAD_write_lock(global_engine_lock))
+ return NULL;
/* 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.
return ret;
}
-void ENGINE_load_dynamic(void)
+void engine_load_dynamic_int(void)
{
ENGINE *toadd = engine_dynamic();
if (!toadd)
return;
+
+ ERR_set_mark();
ENGINE_add(toadd);
/*
* If the "add" worked, it gets a structural reference. So either way, we
* already added (eg. someone calling ENGINE_load_blah then calling
* ENGINE_load_builtin_engines() perhaps).
*/
- ERR_clear_error();
+ ERR_pop_to_mark();
}
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;
int initialised;
if (!ctx) {
- ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_NOT_LOADED);
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NOT_LOADED);
return 0;
}
initialised = ((ctx->dynamic_dso == NULL) ? 0 : 1);
/* All our control commands require the ENGINE to be uninitialised */
if (initialised) {
- ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_ALREADY_LOADED);
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_ALREADY_LOADED);
return 0;
}
switch (cmd) {
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);
case DYNAMIC_CMD_LIST_ADD:
if ((i < 0) || (i > 2)) {
- ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_INVALID_ARGUMENT);
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_INVALID_ARGUMENT);
return 0;
}
ctx->list_add_value = (int)i;
return dynamic_load(e, ctx);
case DYNAMIC_CMD_DIR_LOAD:
if ((i < 0) || (i > 2)) {
- ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_INVALID_ARGUMENT);
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_INVALID_ARGUMENT);
return 0;
}
ctx->dir_load = (int)i;
return 1;
case DYNAMIC_CMD_DIR_ADD:
/* a NULL 'p' or a string of zero-length is the same thing */
- if (!p || (strlen((const char *)p) < 1)) {
- ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_INVALID_ARGUMENT);
+ if (p == NULL || (strlen((const char *)p) < 1)) {
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_INVALID_ARGUMENT);
return 0;
}
{
- char *tmp_str = BUF_strdup(p);
- if (!tmp_str) {
- ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ERR_R_MALLOC_FAILURE);
+ char *tmp_str = OPENSSL_strdup(p);
+ if (tmp_str == NULL) {
+ ERR_raise(ERR_LIB_ENGINE, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ if (!sk_OPENSSL_STRING_push(ctx->dirs, tmp_str)) {
+ OPENSSL_free(tmp_str);
+ ERR_raise(ERR_LIB_ENGINE, ERR_R_MALLOC_FAILURE);
return 0;
}
- sk_OPENSSL_STRING_insert(ctx->dirs, tmp_str, -1);
}
return 1;
default:
break;
}
- ENGINEerr(ENGINE_F_DYNAMIC_CTRL, ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
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);
}
if (!int_load(ctx)) {
- ENGINEerr(ENGINE_F_DYNAMIC_LOAD, ENGINE_R_DSO_NOT_FOUND);
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_DSO_NOT_FOUND);
DSO_free(ctx->dynamic_dso);
ctx->dynamic_dso = NULL;
return 0;
ctx->bind_engine = NULL;
DSO_free(ctx->dynamic_dso);
ctx->dynamic_dso = NULL;
- ENGINEerr(ENGINE_F_DYNAMIC_LOAD, ENGINE_R_DSO_FAILURE);
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_DSO_FAILURE);
return 0;
}
/* Do we perform version checking? */
ctx->v_check = NULL;
DSO_free(ctx->dynamic_dso);
ctx->dynamic_dso = NULL;
- ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
- ENGINE_R_VERSION_INCOMPATIBILITY);
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_VERSION_INCOMPATIBILITY);
return 0;
}
}
* 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.
ctx->v_check = NULL;
DSO_free(ctx->dynamic_dso);
ctx->dynamic_dso = NULL;
- ENGINEerr(ENGINE_F_DYNAMIC_LOAD, ENGINE_R_INIT_FAILED);
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_INIT_FAILED);
/* Copy the original ENGINE structure back */
memcpy(e, &cpy, sizeof(ENGINE));
return 0;
* created leaks. We just have to fail where we are, after
* the ENGINE has changed.
*/
- ENGINEerr(ENGINE_F_DYNAMIC_LOAD,
- ENGINE_R_CONFLICTING_ENGINE_ID);
+ ERR_raise(ERR_LIB_ENGINE, ENGINE_R_CONFLICTING_ENGINE_ID);
return 0;
}
/* Tolerate */