From 7d3fe66e50fc3c47783d9beb0474a4ed9d2d9953 Mon Sep 17 00:00:00 2001
From: TheLemonMan <LemonBoy@users.noreply.github.com>
Date: Thu, 17 Mar 2016 22:07:57 +0100
Subject: [PATCH] Merge pull request #439 from horgh/ssl-errors

Clear error queue before SSL I/O operations
---
 src/core/network-openssl.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/network-openssl.c b/src/core/network-openssl.c
index 465c4154..a18e6fc7 100644
--- a/src/core/network-openssl.c
+++ b/src/core/network-openssl.c
@@ -289,6 +289,7 @@ static GIOStatus irssi_ssl_read(GIOChannel *handle, gchar *buf, gsize len, gsize
 	const char *errstr;
 	gchar *errmsg;
 
+	ERR_clear_error();
 	ret1 = SSL_read(chan->ssl, buf, len);
 	if(ret1 <= 0)
 	{
@@ -334,6 +335,7 @@ static GIOStatus irssi_ssl_write(GIOChannel *handle, const gchar *buf, gsize len
 	const char *errstr;
 	gchar *errmsg;
 
+	ERR_clear_error();
 	ret1 = SSL_write(chan->ssl, (const char *)buf, len);
 	if(ret1 <= 0)
 	{
@@ -471,6 +473,7 @@ static GIOChannel *irssi_ssl_get_iochannel(GIOChannel *handle, int port, SERVER_
 	if(!(fd = g_io_channel_unix_get_fd(handle)))
 		return NULL;
 
+	ERR_clear_error();
 	ctx = SSL_CTX_new(SSLv23_client_method());
 	if (ctx == NULL) {
 		g_error("Could not allocate memory for SSL context");
@@ -489,6 +492,7 @@ static GIOChannel *irssi_ssl_get_iochannel(GIOChannel *handle, int port, SERVER_
 		scert = convert_home(mycert);
 		if (mypkey && *mypkey)
 			spkey = convert_home(mypkey);
+		ERR_clear_error();
 		if (! SSL_CTX_use_certificate_file(ctx, scert, SSL_FILETYPE_PEM))
 			g_warning("Loading of client certificate '%s' failed: %s", mycert, ERR_reason_error_string(ERR_get_error()));
 		else if (! SSL_CTX_use_PrivateKey_file(ctx, spkey ? spkey : scert, SSL_FILETYPE_PEM))
@@ -581,6 +585,7 @@ int irssi_ssl_handshake(GIOChannel *handle)
 	X509 *cert;
 	const char *errstr;
 
+	ERR_clear_error();
 	ret = SSL_connect(chan->ssl);
 	if (ret <= 0) {
 		err = SSL_get_error(chan->ssl, ret);