From 406864e0875058f9533c861eaf65d956902bdb96 Mon Sep 17 00:00:00 2001
From: Luke Bratch <luke@bratch.co.uk>
Date: Sun, 15 Sep 2019 17:33:26 +0100
Subject: Use global signal(SIGPIPE, SIG_IGN) instead of the send() flag
 MSG_NOSIGNAL since we can't pass MSG_NOSIGNAL to OpenSSL's SSL_write when
 using TLS connections.

---
 blabouncer.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'blabouncer.c')

diff --git a/blabouncer.c b/blabouncer.c
index d6df294..d692d19 100644
--- a/blabouncer.c
+++ b/blabouncer.c
@@ -482,6 +482,9 @@ void dochat(int *serversockfd, int *clientsockfd, struct settings *settings) {
   sigaddset(&sigset, SIGTERM);
   sigprocmask(SIG_BLOCK, &sigset, &oldset);
 
+  // Extra signal handling to ignore SIGPIPE so failing send() and/or SSL_write() doesn't terminate blabouncer with SIGPIPE
+  signal(SIGPIPE, SIG_IGN);
+
   while (1) {
     debugprint(DEBUG_FULL, "top of loop, fdmax %d.\n", fdmax);
     FD_ZERO(&rfds); // clear entries from fd set
-- 
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