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-- SPDX-License-Identifier: GPL-3.0-or-later
local condition = require('cqueues.condition')
-- setup resolver
modules = { 'hints', 'dns64' }
hints['dns64.example'] = '192.168.1.1'
hints.use_nodata(true) -- Respond NODATA to AAAA query
hints.ttl(60)
dns64.config('fe80::21b:77ff:0:0')
-- helper to wait for query resolution
local function wait_resolve(qname, qtype)
local waiting, done, cond = false, false, condition.new()
local rcode, answers = kres.rcode.SERVFAIL, {}
resolve {
name = qname,
type = qtype,
finish = function (answer, _)
rcode = answer:rcode()
answers = answer:section(kres.section.ANSWER)
-- Signal as completed
if waiting then
cond:signal()
end
done = true
end,
}
-- Wait if it didn't finish immediately
if not done then
waiting = true
cond:wait()
end
return rcode, answers
end
-- test builtin rules
local function test_builtin_rules()
local rcode, answers = wait_resolve('dns64.example', kres.type.AAAA)
same(rcode, kres.rcode.NOERROR, 'dns64.example returns NOERROR')
same(#answers, 1, 'dns64.example synthesised answer')
local expect = {'dns64.example.', '60', 'AAAA', 'fe80::21b:77ff:c0a8:101'}
if #answers > 0 then
local rr = {kres.rr2str(answers[1]):match('(%S+)%s+(%S+)%s+(%S+)%s+(%S+)')}
same(rr, expect, 'dns64.example synthesised correct AAAA record')
end
end
-- plan tests
local tests = {
test_builtin_rules,
}
return tests
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