[Bug 270683] net/mDNSResponder: ipv6 broken with 1790.80.10

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 07 Apr 2023 08:42:56 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270683

            Bug ID: 270683
           Summary: net/mDNSResponder: ipv6 broken with 1790.80.10
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: sunpoet@FreeBSD.org
          Reporter: mazhe@alkumuna.eu
             Flags: maintainer-feedback?(sunpoet@FreeBSD.org)
          Assignee: sunpoet@FreeBSD.org

Created attachment 241336
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=241336&action=edit
Fix issues with IPV6_RECVPKTINFO, IPV6_RECVHOPLIMIT and SO_REUSEADDR

Hi,

I'm not sure why, but the patches regarding IPV6_RECVPKTINFO, IPV6_RECVHOPLIMIT
and SO_REUSEADDR were dropped in the last net/mDNSResponder update, breaking
mdnsd in a ipv6-enabled setup at least on freebsd 13.2-RC6, presumably also for
the whole 13.x and bellow versions:

# mdnsd -debug
Default: mDNSResponder (Engineering Build) (Apr  7 2023 10:37:48) starting
setsockopt - IPV6_PKTINFO: Invalid argument
Default: Unable to parse DNS server list. Unicast DNS-SD unavailable
Default: mDNSResponder (Engineering Build) (Apr  7 2023 10:37:48) stopping

Would you consider reintroducing the patches to mDNSPosix/mDNSPosix.c ?

Regards,

-- Mazhe

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