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gluon-core: make sure dns traffic leaves the correct interface when there is ipv6 wan uplink

This commit is contained in:
Christof Schulze 2018-05-16 16:59:47 +02:00 committed by Andreas Ziegler
parent 0f9ab5e306
commit b3d7011130
1 changed files with 7 additions and 0 deletions
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7
package/gluon-core/luasrc/lib/gluon/upgrade/820-dns-config
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@ -16,6 +16,13 @@ uci:delete('dhcp', dnsmasq, 'cachesize')
uci:delete('firewall', 'client_dns')
if dns.servers then
localipv6 = uci:get("network", "loopback", "ip6addr")
-- below is an ugly hack that makes sure the dns upstream traffic is leaving the correct network interface.
appended = {}
for i,s in ipairs(dns.servers) do
table.insert(appended, s .. "@" .. string.sub(localipv6,0, string.find(localipv6,"/")-1 ) )
end
uci:set('dhcp', dnsmasq, 'server', appended )
-- allow inbound traffic for dns from client zone
uci:section('firewall', 'rule', 'client_dns', {
src = 'local_client',