Adding upstream version 5.3.1.upstream/5.3.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 109 insertions, 0 deletions

diff --git a/modules/policy/policy.slice.test.lua b/modules/policy/policy.slice.test.lua
new file mode 100644
index 0000000..89c1b05
--- /dev/null
+++ b/modules/policy/policy.slice.test.lua
@@ -0,0 +1,109 @@
+-- SPDX-License-Identifier: GPL-3.0-or-later
+-- check lua-psl is available
+local has_psl = pcall(require, 'psl')
+if not has_psl then
+	os.exit(77)  -- SKIP policy.slice
+end
+
+-- unload modules which are not related to this test
+if ta_update then
+        modules.unload('ta_update')
+end
+if ta_signal_query then
+        modules.unload('ta_signal_query')
+end
+if priming then
+        modules.unload('priming')
+end
+if detect_time_skew then
+        modules.unload('detect_time_skew')
+end
+
+local kres = require('kres')
+
+local slice_queries = {
+	{},
+	{},
+	{},
+}
+
+local function sliceaction(index)
+	return function(_, req)
+		-- log query
+		local qry = req:current()
+		local name = kres.dname2str(qry:name())
+		local count = slice_queries[index][name]
+		if not count then
+			count = 0
+		end
+		slice_queries[index][name] = count + 1
+
+		-- refuse query
+		local answer = req:ensure_answer()
+		if answer == nil then return nil end
+		answer:rcode(kres.rcode.REFUSED)
+		answer:ad(false)
+		return kres.DONE
+	end
+end
+
+-- configure slicing
+policy.add(policy.slice(
+	policy.slice_randomize_psl(0),
+	sliceaction(1),
+	sliceaction(2),
+	sliceaction(3)
+))
+
+local function check_slice(desc, qname, qtype, expected_slice, expected_count)
+	callback = function()
+		count = slice_queries[expected_slice][qname]
+		qtype_str = kres.tostring.type[qtype]
+		same(count, expected_count, desc .. qname .. ' ' .. qtype_str)
+	end
+	resolve(qname, qtype, kres.class.IN, {}, callback)
+end
+
+local function test_randomize_psl()
+	local desc = 'randomize_psl() same qname, different qtype (same slice): '
+	check_slice(desc, 'example.com.', kres.type.A, 2, 1)
+	check_slice(desc, 'example.com.', kres.type.AAAA, 2, 2)
+	check_slice(desc, 'example.com.', kres.type.MX, 2, 3)
+	check_slice(desc, 'example.com.', kres.type.NS, 2, 4)
+
+	desc = 'randomize_psl() subdomain in same slice: '
+	check_slice(desc, 'a.example.com.', kres.type.A, 2, 1)
+	check_slice(desc, 'b.example.com.', kres.type.A, 2, 1)
+	check_slice(desc, 'c.example.com.', kres.type.A, 2, 1)
+	check_slice(desc, 'a.a.example.com.', kres.type.A, 2, 1)
+	check_slice(desc, 'a.a.a.example.com.', kres.type.A, 2, 1)
+
+	desc = 'randomize_psl() different qnames in different slices: '
+	check_slice(desc, 'example2.com.', kres.type.A, 1, 1)
+	check_slice(desc, 'example5.com.', kres.type.A, 3, 1)
+
+	desc = 'randomize_psl() check unregistrable domains: '
+	check_slice(desc, '.', kres.type.A, 3, 1)
+	check_slice(desc, 'com.', kres.type.A, 1, 1)
+	check_slice(desc, 'cz.', kres.type.A, 2, 1)
+	check_slice(desc, 'co.uk.', kres.type.A, 1, 1)
+
+	desc = 'randomize_psl() check multi-level reg. domains: '
+	check_slice(desc, 'example.co.uk.', kres.type.A, 3, 1)
+	check_slice(desc, 'a.example.co.uk.', kres.type.A, 3, 1)
+	check_slice(desc, 'b.example.co.uk.', kres.type.MX, 3, 1)
+	check_slice(desc, 'example2.co.uk.', kres.type.A, 2, 1)
+
+	desc = 'randomize_psl() reg. domain - always ends up in slice: '
+	check_slice(desc, 'fdsnnsdfvkdn.com.', kres.type.A, 3, 1)
+	check_slice(desc, 'bdfbd.cz.', kres.type.A, 1, 1)
+	check_slice(desc, 'nrojgvn.net.', kres.type.A, 1, 1)
+	check_slice(desc, 'jnojtnbv.engineer.', kres.type.A, 2, 1)
+	check_slice(desc, 'dfnjonfdsjg.gov.', kres.type.A, 1, 1)
+	check_slice(desc, 'okfjnosdfgjn.mil.', kres.type.A, 1, 1)
+	check_slice(desc, 'josdhnojn.test.', kres.type.A, 2, 1)
+end
+
+return {
+	test_randomize_psl,
+}