libdns: Fix connect and try next nameserver when ECONNREFUSED.
699fe4b36f62
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Description

libdns: Fix connect and try next nameserver when ECONNREFUSED.

* dirmngr/dns.c (dns_so_check): When EINVAL, release the association
by connect with AF_UNSPEC and try again.  Also try again for
ECONNREFUSED.
(dns_res_exec): Try next nameserver when ECONNREFUSED.

Cherry pick from master commit:

bcdbf8b8ebe9d61160e0b007dabe1b6462ffbc93

GnuPG-bug-id: T3374
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>

Details

Provenance

• gniibe

Authored on Jun 15 2018, 5:58 AM

Parents

rG0c05b08e8b5c: libdns: Clear struct sockaddr_storage by zero.

Branches

Unknown

Tags

Unknown

Tasks

T3374: gpg recv-keys fail if first dns server end up with "Connection refused"

Event Timeline

• gniibe added a task: T3374: gpg recv-keys fail if first dns server end up with "Connection refused".Jun 18 2018, 10:28 AM

• gniibe committed rG699fe4b36f62: libdns: Fix connect and try next nameserver when ECONNREFUSED. (authored by • gniibe).Jun 18 2018, 10:26 AM

Changes (1)

Path

Size

dirmngr/

dns.c

rG699fe4b36f62

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