From ee11f4ae53fe178e0800d5c6b762f61a666bd2d9 Mon Sep 17 00:00:00 2001
From: ritt <stefan.ritt@psi.ch>
Date: Mon, 10 Aug 2020 08:45:39 +0200
Subject: [PATCH] Added SSL read error fix thanks to H.S.S.

---
 src/elogd.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/elogd.c b/src/elogd.c
index abb67805..03b2ca7a 100755
--- a/src/elogd.c
+++ b/src/elogd.c
@@ -30031,9 +30031,15 @@ void server_loop(void) {
                         status = select(FD_SETSIZE, (void *) &readfds, NULL, NULL, (void *) &timeout);
                         if (FD_ISSET(_sock, &readfds)) {
 #ifdef HAVE_SSL
-                           if (_ssl_flag)
+                           if (_ssl_flag) {
                               i = SSL_read(_ssl_con, net_buffer + len, net_buffer_size - len);
-                           else
+                              if (i <= 0) {
+                                 int ssl_error = SSL_get_error(_ssl_con, i);
+                                 if (ssl_error == SSL_ERROR_WANT_READ ||
+                                     ssl_error == SSL_ERROR_WANT_WRITE)
+                                    continue; // continue reading if SSL layer wants more data
+                              }
+                           } else
 #endif
                               i = recv(_sock, net_buffer + len, net_buffer_size - len, 0);