From 0fa39a04dc61834af981abf1ce3a128ee55bbbb2 Mon Sep 17 00:00:00 2001
From: Juliusz Sosinowicz <juliusz@wolfssl.com>
Date: Mon, 15 Mar 2021 19:00:11 +0100
Subject: [PATCH] Let user inspect error in wolfSSL_dtls_got_timeout

---
 src/ssl.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/ssl.c b/src/ssl.c
index e1c9e66fd..9a3131a07 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -12235,10 +12235,21 @@ int wolfSSL_dtls_got_timeout(WOLFSSL* ssl)
     if (ssl == NULL)
         return WOLFSSL_FATAL_ERROR;
 
-    if ((IsSCR(ssl) || !ssl->options.handShakeDone) &&
-        (DtlsMsgPoolTimeout(ssl) < 0 || DtlsMsgPoolSend(ssl, 0) < 0)) {
-
-        result = WOLFSSL_FATAL_ERROR;
+    if ((IsSCR(ssl) || !ssl->options.handShakeDone)) {
+        if (DtlsMsgPoolTimeout(ssl) < 0){
+            ssl->error = SOCKET_ERROR_E;
+            WOLFSSL_ERROR(ssl->error);
+            result = WOLFSSL_FATAL_ERROR;
+        }
+        else if ((result = DtlsMsgPoolSend(ssl, 0)) < 0)  {
+            ssl->error = result;
+            WOLFSSL_ERROR(result);
+            result = WOLFSSL_FATAL_ERROR;
+        }
+        else {
+            /* Reset return value to success */
+            result = WOLFSSL_SUCCESS;
+        }
     }
 
     WOLFSSL_LEAVE("wolfSSL_dtls_got_timeout()", result);