stv0g/libwebsockets
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Subject: [PATCH] do not pass AI_CANONNAME to getaddrinfo()

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In some cases this flag causes libc to do reverse DNS lookup the result
of which is not used.
This commit is contained in:
Martin Milata 2018-02-23 00:33:31 +01:00 • committed by Andy Green
parent 341f280662
commit 27115c3258
3 changed files with 0 additions and 3 deletions
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1
lib/client/client-handshake.c
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@ -20,7 +20,6 @@ lws_getaddrinfo46(struct lws *wsi, const char *ads, struct addrinfo **result)
{
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_CANONNAME;
}
return getaddrinfo(ads, NULL, &hints, result);

1
lib/libwebsockets.c
View file

@ -970,7 +970,6 @@ lws_get_addresses(struct lws_vhost *vh, void *ads, char *name,
memset(&ai, 0, sizeof ai);
ai.ai_family = PF_UNSPEC;
ai.ai_socktype = SOCK_STREAM;
ai.ai_flags = AI_CANONNAME;
#if !defined(LWS_WITH_ESP32)
if (getnameinfo((struct sockaddr *)ads,
sizeof(struct sockaddr_in),

1
test-apps/fuzxy.c
View file

@ -672,7 +672,6 @@ handle_accept(int n)
memset (&ai, 0, sizeof ai);
ai.ai_family = PF_UNSPEC;
ai.ai_socktype = SOCK_STREAM;
ai.ai_flags = AI_CANONNAME;
if (getaddrinfo(s->address, NULL, &ai, &result)) {
lwsl_notice("failed to lookup %s\n",