Don't signal SSL_CB_HANDSHAKE_START for TLSv1.3 post-handshake messages
[openssl.git] / engines / e_dasync.c
index 89b12775b1c4896401fe4eacddfb69a8a1724c60..3d80610b67ec5e2bc8276da40dc911fb164f9622 100644 (file)
@@ -1,7 +1,7 @@
 /*
- * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * 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
@@ -25,7 +25,7 @@
 #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>
@@ -34,7 +34,6 @@
 # define ASYNC_WIN
 #endif
 
-#define DASYNC_LIB_NAME "DASYNC"
 #include "e_dasync_err.c"
 
 /* Engine Id and Name */
@@ -404,6 +403,8 @@ static void wait_cleanup(ASYNC_WAIT_CTX *ctx, const void *key,
 static void dummy_pause_job(void) {
     ASYNC_JOB *job;
     ASYNC_WAIT_CTX *waitctx;
+    ASYNC_callback_fn callback;
+    void * callback_arg;
     OSSL_ASYNC_FD pipefds[2] = {0, 0};
     OSSL_ASYNC_FD *writefd;
 #if defined(ASYNC_WIN)
@@ -418,6 +419,18 @@ static void dummy_pause_job(void) {
 
     waitctx = ASYNC_get_wait_ctx(job);
 
+    if (ASYNC_WAIT_CTX_get_callback(waitctx, &callback, &callback_arg) && callback != NULL) {
+        /*
+         * In the Dummy async engine we are cheating. We call the callback that the job
+         * is complete before the call to ASYNC_pause_job(). A real
+         * async engine would only call the callback when the job was actually complete
+         */
+        (*callback)(callback_arg);
+        ASYNC_pause_job();
+        return;
+    }
+
+
     if (ASYNC_WAIT_CTX_get_fd(waitctx, engine_dasync_id, &pipefds[0],
                               (void **)&writefd)) {
         pipefds[1] = *writefd;
@@ -438,8 +451,8 @@ 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;
         }
@@ -606,6 +619,8 @@ 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;
                 }