VMS: modernise rand_pool_acquire_entropy, step 2

[openssl.git] / engines / e_dasync.c

diff --git a/engines/e_dasync.c b/engines/e_dasync.c
index c307998bcf131f4beced1cbc976b7738f1cb1347..b005f421a6604388d16e4da92606d3ebf453d6e8 100644 (file)
--- a/engines/e_dasync.c
+++ b/engines/e_dasync.c
@@ -1,55 +1,16 @@
 /*
- * Written by Matt Caswell (matt@openssl.org) for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 2015 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.
+ * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * 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.
- * ====================================================================
+ * 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
  */
 
+#if defined(_WIN32)
+# include <windows.h>
+#endif
+
 #include <stdio.h>
 #include <string.h>
 
@@ -64,17 +25,15 @@
 #include <openssl/ssl.h>
 #include <openssl/modes.h>
 
-#if (defined(OPENSSL_SYS_UNIX) || defined(OPENSSL_SYS_CYGWIN)) && defined(OPENSSL_THREADS)
+#if defined(OPENSSL_SYS_UNIX) && defined(OPENSSL_THREADS)
 # undef ASYNC_POSIX
 # define ASYNC_POSIX
 # include <unistd.h>
 #elif defined(_WIN32)
 # undef ASYNC_WIN
 # define ASYNC_WIN
-# include <windows.h>
 #endif
 
-#define DASYNC_LIB_NAME "DASYNC"
 #include "e_dasync_err.c"
 
 /* Engine Id and Name */
@@ -478,8 +437,8 @@ static void dummy_pause_job(void) {
 #endif
         *writefd = pipefds[1];
 
-        if(!ASYNC_WAIT_CTX_set_wait_fd(waitctx, engine_dasync_id, pipefds[0],
-                                       writefd, wait_cleanup)) {
+        if (!ASYNC_WAIT_CTX_set_wait_fd(waitctx, engine_dasync_id, pipefds[0],
+                                        writefd, wait_cleanup)) {
             wait_cleanup(waitctx, engine_dasync_id, pipefds[0], writefd);
             return;
         }
@@ -646,6 +605,8 @@ static int dasync_cipher_ctrl_helper(EVP_CIPHER_CTX *ctx, int type, int arg,
 
             if (pipe_ctx->enc) {
                 if ((p[arg - 4] << 8 | p[arg - 3]) >= TLS1_1_VERSION) {
+                    if (len < AES_BLOCK_SIZE)
+                        return 0;
                     len -= AES_BLOCK_SIZE;
                 }