From 05a59748910cc11d43bffbfc4d00fdf3701e2ca1 Mon Sep 17 00:00:00 2001 From: Kai Blin Date: Sat, 13 Oct 2012 02:09:57 +0200 Subject: [PATCH] libcli/dns: Time out requests after a while Time out UDP requests after DNS_REQUEST_TIMEOUT seconds. Currently set to 2 seconds. This should fix bug #8878. Signed-off-by: Jeremy Allison Autobuild-User(master): Jeremy Allison Autobuild-Date(master): Tue Oct 16 12:58:32 CEST 2012 on sn-devel-104 --- libcli/dns/dns.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libcli/dns/dns.c b/libcli/dns/dns.c index da65ce4c4ff..43e1c4e0c79 100644 --- a/libcli/dns/dns.c +++ b/libcli/dns/dns.c @@ -38,6 +38,8 @@ struct dns_udp_request_state { size_t reply_len; }; +#define DNS_REQUEST_TIMEOUT 2 + /* Declare callback functions used below. */ static void dns_udp_request_get_reply(struct tevent_req *subreq); static void dns_udp_request_done(struct tevent_req *subreq); @@ -92,6 +94,12 @@ struct tevent_req *dns_udp_request_send(TALLOC_CTX *mem_ctx, return tevent_req_post(req, ev); } + if (!tevent_req_set_endtime(req, ev, + timeval_current_ofs(DNS_REQUEST_TIMEOUT, 0))) { + return tevent_req_post(req, ev); + } + + tevent_req_set_callback(subreq, dns_udp_request_get_reply, req); return req; } -- 2.11.4.GIT