Merge pull request #10451 from Frauschi/fix/client-nonblocking-resume-err

Minor error handling fixes in client and server examples

Author: SparkiDev

examples/client/client.c

@@ -849,6 +849,7 @@ static int ClientBenchmarkThroughput(WOLFSSL_CTX* ctx, char* host, word16 port,
                     WOLFSSL_ASYNC_WHILE_PENDING(ret = wolfSSL_write(ssl, tx_buffer, len),
                                                 ret <= 0);
                     if (ret != len) {
+                        err = wolfSSL_get_error(ssl, 0);
                         LOG_ERROR("SSL_write bench error %d!\n", err);
                         if (!exitWithRet)
                             err_sys("SSL_write failed");
@@ -912,7 +913,11 @@ static int ClientBenchmarkThroughput(WOLFSSL_CTX* ctx, char* host, word16 port,
         XFREE(rx_buffer, NULL, DYNAMIC_TYPE_TMP_BUFFER);
     }
     else {
-        err_sys("wolfSSL_connect failed");
+        err = wolfSSL_get_error(ssl, 0);
+        LOG_ERROR("wolfSSL_connect error %d, %s\n", err,
+            wolfSSL_ERR_error_string((unsigned long)err, NULL));
+        if (!exitWithRet)
+            err_sys("wolfSSL_connect failed");
     }
 
     wolfSSL_shutdown(ssl);
@@ -4884,6 +4889,7 @@ THREAD_RETURN WOLFSSL_THREAD client_test(void* args)
         ret = NonBlockingSSL_Connect(sslResume);  /* will keep retrying on timeout */
 #endif
         if (ret != WOLFSSL_SUCCESS) {
+            err = wolfSSL_get_error(sslResume, 0);
             LOG_ERROR("wolfSSL_connect resume error %d, %s\n", err,
                 wolfSSL_ERR_error_string((unsigned long)err, buffer));
             wolfSSL_free(sslResume); sslResume = NULL;

examples/server/server.c

@@ -487,6 +487,7 @@ int ServerEchoData(WOLFSSL* ssl, int clientfd, int echoData, int block,
                   ret = wolfSSL_write(ssl, buffer, (int)min((word32)len, (word32)rx_pos)),
                   ret <= 0);
             if (ret != (int)min((word32)len, (word32)rx_pos)) {
+                err = wolfSSL_get_error(ssl, 0);
                 LOG_ERROR("SSL_write echo error %d\n", err);
                 err_sys_ex(runWithErrors, "SSL_write failed");
             }