From bf7b88a9914343808cc010487bc7461296a45499 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 4 Jul 2021 08:49:26 -0400
Subject: Explicitly tls_handshake(3) in ircPrintCert

Otherwise we won't have any certificate to print yet, as reported
by Klemens Nanni.

Fixes 981ebc4f12b88fbf52ed0352428a0612dd2c2568.
---
 irc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/irc.c b/irc.c
index dc40201..5f14c9e 100644
--- a/irc.c
+++ b/irc.c
@@ -166,6 +166,12 @@ int ircConnect(const char *bindHost, const char *host, const char *port) {
 }
 
 void ircPrintCert(void) {
+	int error;
+	do {
+		error = tls_handshake(client);
+	} while (error == TLS_WANT_POLLIN || error == TLS_WANT_POLLOUT);
+	if (error) errx(EX_PROTOCOL, "tls_handshake: %s", tls_error(client));
+
 	size_t len;
 	const byte *pem = tls_peer_cert_chain_pem(client, &len);
 	printf("subject= %s\n", tls_peer_cert_subject(client));
-- 
cgit 1.4.1