renumber tests

diff --git a/modules/meson.build b/modules/meson.build
index 7eb1e3238fca3c9739d0a0ee1655866e6d9c78b0..cf03859b361a5c95e99dd1524d52537bdc6d57df 100644 (file)
--- a/modules/meson.build
+++ b/modules/meson.build
@@ -23,6 +23,7 @@ lua_mod_src = [  # add lua modules without separate meson.build
 config_tests += [
   ['dns64', files('dns64/dns64.test.lua')],
   ['prefill', files('prefill/prefill.test/prefill.test.lua')],
+  ['renumber', files('renumber/renumber.test.lua')],
   ['ta_update', files('ta_update/ta_update.test.lua'), ['snowflake']],
 ]
 

diff --git a/modules/renumber/renumber.test.lua b/modules/renumber/renumber.test.lua
new file mode 100644 (file)
index 0000000..c62bd77
--- /dev/null
+++ b/modules/renumber/renumber.test.lua
@@ -0,0 +1,87 @@
+local function gen_rrset(owner, rrtype, rdataset)
+       assert(type(rdataset) == 'table' or type(rdataset) == 'string')
+       if type(rdataset) ~= 'table' then
+               rdataset = { rdataset }
+       end
+       local rrset = kres.rrset(todname(owner), rrtype, kres.class.IN, 3600)
+       for _, rdata in pairs(rdataset) do
+               assert(rrset:add_rdata(rdata, #rdata))
+       end
+       return rrset
+end
+
+local function prepare_cache()
+       cache.open(100*MB)
+       cache.clear()
+
+       local ffi = require('ffi')
+       local c = kres.context().cache
+
+       assert(c:insert(
+               gen_rrset('a10-0.test.',
+                       kres.type.A, kres.str2ip('10.0.0.1')),
+               nil, ffi.C.KR_RANK_SECURE + ffi.C.KR_RANK_AUTH))
+       assert(c:insert(
+               gen_rrset('a10-2.test.',
+                       kres.type.A, kres.str2ip('10.2.0.1')),
+               nil, ffi.C.KR_RANK_SECURE + ffi.C.KR_RANK_AUTH))
+       assert(c:insert(
+               gen_rrset('a10-0plus2.test.',
+                       kres.type.A, {
+                               kres.str2ip('10.0.0.1'),
+                               kres.str2ip('10.2.0.1')
+                       }),
+               nil, ffi.C.KR_RANK_SECURE + ffi.C.KR_RANK_AUTH))
+       assert(c:insert(
+               gen_rrset('a166-66.test.',
+                       kres.type.A, kres.str2ip('166.66.42.123')),
+               nil, ffi.C.KR_RANK_SECURE + ffi.C.KR_RANK_AUTH))
+       assert(c:insert(
+               gen_rrset('aaaa-db8-1.test.',
+                       kres.type.AAAA, {
+                               kres.str2ip('2001:db8:1::1'),
+                               kres.str2ip('2001:db8:1::2'),
+                       }),
+               nil, ffi.C.KR_RANK_SECURE + ffi.C.KR_RANK_AUTH))
+
+       c:commit()
+end
+
+local check_answer = require('test_utils').check_answer
+
+local function test_renumber()
+       check_answer('unknown IPv4 range passes through unaffected',
+               'a10-0.test.', kres.type.A, kres.rcode.NOERROR, '10.0.0.1')
+       check_answer('known IPv4 range is remapped when matching first-defined rule',
+               'a10-2.test.', kres.type.A, kres.rcode.NOERROR, '192.168.2.1')
+       check_answer('mix of known and unknown IPv4 ranges is remapped correctly',
+               'a10-0plus2.test.', kres.type.A, kres.rcode.NOERROR, {'192.168.2.1', '10.0.0.1'})
+       check_answer('known IPv4 range is remapped when matching second-defined rule',
+               'a166-66.test.', kres.type.A, kres.rcode.NOERROR, '127.0.42.123')
+
+
+       check_answer('two AAAA records',
+               'aaaa-db8-1.test.', kres.type.AAAA, kres.rcode.NOERROR,
+               {'2001:db8:2::2', '2001:db8:2::1'})
+end
+
+net.ipv4 = false
+net.ipv6 = false
+
+trust_anchors.remove('.')
+policy.add(policy.all(policy.DEBUG_ALWAYS))
+policy.add(policy.suffix(policy.PASS, {todname('test.')}))
+prepare_cache()
+
+verbose(true)
+modules.load('renumber < cache')
+renumber.config({
+       -- Source subnet, destination subnet
+       {'10.2.0.0/24', '192.168.2.0'},
+       {'166.66.0.0/16', '127.0.0.0'},
+       {'2001:db8:1::/48', '2001:db8:2::'},
+})
+
+return {
+       test_renumber,
+}