From 61e58885f48f7519a6a546922f14d8a35be3501e Mon Sep 17 00:00:00 2001
From: namowen <namowen@user.github.invalid.com>
Date: Tue, 25 Jul 2017 17:14:37 +0800
Subject: [PATCH] client: ipv6 reject when lws_getaddrinfo46 failed
https://github.com/warmcat/libwebsockets/issues/978
---
lib/client-handshake.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/lib/client-handshake.c b/lib/client-handshake.c
index 42d1a9b3..6ae27d28 100644
--- a/lib/client-handshake.c
+++ b/lib/client-handshake.c
@@ -111,6 +111,14 @@ lws_client_connect_2(struct lws *wsi)
#ifdef LWS_USE_IPV6
if (wsi->ipv6) {
+ if (n) {
+ /* lws_getaddrinfo46 failed, there is no usable result */
+ lwsl_notice("%s: lws_getaddrinfo46 failed %d\n",
+ __func__, n);
+ cce = "ipv6 lws_getaddrinfo46 failed";
+ goto oom4;
+ }
+
memset(&sa46, 0, sizeof(sa46));
sa46.sa6.sin6_family = AF_INET6;
--
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