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-rw-r--r--daemon/lua/config.lua35
1 files changed, 35 insertions, 0 deletions
diff --git a/daemon/lua/config.lua b/daemon/lua/config.lua
new file mode 100644
index 0000000..448d6dd
--- /dev/null
+++ b/daemon/lua/config.lua
@@ -0,0 +1,35 @@
+-- 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