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-- Listen on localhost
if not next(net.list()) and not env.KRESD_NO_LISTEN then
local ok, err = pcall(net.listen, '127.0.0.1')
if not ok then
error('bind to 127.0.0.1@53 '..err)
end
-- IPv6 loopback may fail
ok, err = pcall(net.listen, '::1')
if not ok and verbose() then
print('bind to ::1@53 '..err)
end
-- Exit when kresd isn't listening on any interfaces
if not next(net.list()) then
panic('not listening on any interface, exiting...')
end
end
-- Open cache if not set/disabled
if not cache.current_size then
cache.size = 100 * MB
end
-- If no addresses for root servers are set, load them from the default file
if require('ffi').C.kr_zonecut_is_empty(kres.context().root_hints) then
_hint_root_file()
end
if not trust_anchors.keysets['\0'] and trust_anchors.keyfile_default then
if io.open(trust_anchors.keyfile_default, 'r') then
trust_anchors.config(trust_anchors.keyfile_default, true)
else
panic("cannot open default trust anchor file:'%s'",
trust_anchors.keyfile_default
)
end
end
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