Pull request 2361: imp-test-file-names
Merge in DNS/adguard-home from imp-test-file-names to master Squashed commit of the following: commit a0827efdf633fba012c5eb0e0f69eaabf7629724 Author: Stanislav Chzhen <s.chzhen@adguard.com> Date: Mon Mar 10 21:41:46 2025 +0300 all: imp tests commit 21fc274d9276ce0442572261ea39a1c018490870 Author: Stanislav Chzhen <s.chzhen@adguard.com> Date: Mon Mar 10 19:40:40 2025 +0300 all: imp test file names
This commit is contained in:
Stanislav Chzhen
244
internal/dnsforward/dnsrewrite_internal_test.go
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244
internal/dnsforward/dnsrewrite_internal_test.go
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package dnsforward
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import (
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"net"
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"testing"
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"github.com/AdguardTeam/AdGuardHome/internal/filtering"
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"github.com/AdguardTeam/dnsproxy/proxy"
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"github.com/AdguardTeam/golibs/netutil"
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"github.com/AdguardTeam/urlfilter/rules"
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"github.com/miekg/dns"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestServer_FilterDNSRewrite(t *testing.T) {
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// Helper data.
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const domain = "example.com"
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ip4, ip6 := netutil.IPv4Localhost(), netutil.IPv6Localhost()
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mxVal := &rules.DNSMX{
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Exchange: "mail.example.com",
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Preference: 32,
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}
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svcbVal := &rules.DNSSVCB{
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Params: map[string]string{"alpn": "h3", "dohpath": "/dns-query"},
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Target: dns.Fqdn(domain),
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Priority: 32,
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}
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srvVal := &rules.DNSSRV{
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Priority: 32,
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Weight: 60,
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Port: 8080,
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Target: dns.Fqdn(domain),
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}
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// Helper functions and entities.
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srv := createTestServer(t, &filtering.Config{
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BlockingMode: filtering.BlockingModeDefault,
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}, ServerConfig{
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Config: Config{
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UpstreamMode: UpstreamModeLoadBalance,
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EDNSClientSubnet: &EDNSClientSubnet{Enabled: false},
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ClientsContainer: EmptyClientsContainer{},
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},
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ServePlainDNS: true,
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})
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makeQ := func(qtype rules.RRType) (req *dns.Msg) {
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return &dns.Msg{
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Question: []dns.Question{{
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Qtype: qtype,
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}},
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}
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}
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makeRes := func(rcode rules.RCode, rr rules.RRType, v rules.RRValue) (res *filtering.Result) {
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resp := filtering.DNSRewriteResultResponse{
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rr: []rules.RRValue{v},
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}
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return &filtering.Result{
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DNSRewriteResult: &filtering.DNSRewriteResult{
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RCode: rcode,
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Response: resp,
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},
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}
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}
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// Tests.
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t.Run("nxdomain", func(t *testing.T) {
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req := makeQ(dns.TypeA)
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res := makeRes(dns.RcodeNameError, 0, nil)
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d := &proxy.DNSContext{}
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err := srv.filterDNSRewrite(req, res, d)
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require.NoError(t, err)
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assert.Equal(t, dns.RcodeNameError, d.Res.Rcode)
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})
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t.Run("noerror_empty", func(t *testing.T) {
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req := makeQ(dns.TypeA)
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res := makeRes(dns.RcodeSuccess, 0, nil)
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d := &proxy.DNSContext{}
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err := srv.filterDNSRewrite(req, res, d)
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require.NoError(t, err)
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assert.Equal(t, dns.RcodeSuccess, d.Res.Rcode)
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assert.Empty(t, d.Res.Answer)
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})
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t.Run("noerror_a", func(t *testing.T) {
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req := makeQ(dns.TypeA)
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res := makeRes(dns.RcodeSuccess, dns.TypeA, ip4)
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d := &proxy.DNSContext{}
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err := srv.filterDNSRewrite(req, res, d)
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require.NoError(t, err)
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assert.Equal(t, dns.RcodeSuccess, d.Res.Rcode)
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require.Len(t, d.Res.Answer, 1)
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assert.Equal(t, net.IP(ip4.AsSlice()), d.Res.Answer[0].(*dns.A).A)
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})
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t.Run("noerror_aaaa", func(t *testing.T) {
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req := makeQ(dns.TypeAAAA)
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res := makeRes(dns.RcodeSuccess, dns.TypeAAAA, ip6)
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d := &proxy.DNSContext{}
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err := srv.filterDNSRewrite(req, res, d)
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require.NoError(t, err)
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assert.Equal(t, dns.RcodeSuccess, d.Res.Rcode)
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require.Len(t, d.Res.Answer, 1)
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assert.Equal(t, net.IP(ip6.AsSlice()), d.Res.Answer[0].(*dns.AAAA).AAAA)
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})
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t.Run("noerror_ptr", func(t *testing.T) {
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req := makeQ(dns.TypePTR)
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res := makeRes(dns.RcodeSuccess, dns.TypePTR, domain)
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d := &proxy.DNSContext{}
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err := srv.filterDNSRewrite(req, res, d)
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require.NoError(t, err)
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assert.Equal(t, dns.RcodeSuccess, d.Res.Rcode)
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require.Len(t, d.Res.Answer, 1)
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assert.Equal(t, dns.Fqdn(domain), d.Res.Answer[0].(*dns.PTR).Ptr)
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})
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t.Run("noerror_txt", func(t *testing.T) {
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req := makeQ(dns.TypeTXT)
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res := makeRes(dns.RcodeSuccess, dns.TypeTXT, domain)
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d := &proxy.DNSContext{}
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err := srv.filterDNSRewrite(req, res, d)
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require.NoError(t, err)
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assert.Equal(t, dns.RcodeSuccess, d.Res.Rcode)
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require.Len(t, d.Res.Answer, 1)
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assert.Equal(t, []string{domain}, d.Res.Answer[0].(*dns.TXT).Txt)
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})
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t.Run("noerror_mx", func(t *testing.T) {
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req := makeQ(dns.TypeMX)
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res := makeRes(dns.RcodeSuccess, dns.TypeMX, mxVal)
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d := &proxy.DNSContext{}
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err := srv.filterDNSRewrite(req, res, d)
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require.NoError(t, err)
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assert.Equal(t, dns.RcodeSuccess, d.Res.Rcode)
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require.Len(t, d.Res.Answer, 1)
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ans, ok := d.Res.Answer[0].(*dns.MX)
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require.True(t, ok)
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assert.Equal(t, dns.Fqdn(mxVal.Exchange), ans.Mx)
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assert.Equal(t, mxVal.Preference, ans.Preference)
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})
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t.Run("noerror_svcb", func(t *testing.T) {
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req := makeQ(dns.TypeSVCB)
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res := makeRes(dns.RcodeSuccess, dns.TypeSVCB, svcbVal)
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d := &proxy.DNSContext{}
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err := srv.filterDNSRewrite(req, res, d)
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require.NoError(t, err)
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assert.Equal(t, dns.RcodeSuccess, d.Res.Rcode)
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require.Len(t, d.Res.Answer, 1)
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ans, ok := d.Res.Answer[0].(*dns.SVCB)
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require.True(t, ok)
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require.Len(t, ans.Value, 2)
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assert.ElementsMatch(
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t,
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[]dns.SVCBKey{dns.SVCB_ALPN, dns.SVCB_DOHPATH},
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[]dns.SVCBKey{ans.Value[0].Key(), ans.Value[1].Key()},
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)
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assert.ElementsMatch(
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t,
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[]string{svcbVal.Params["alpn"], svcbVal.Params["dohpath"]},
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[]string{ans.Value[0].String(), ans.Value[1].String()},
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)
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assert.Equal(t, svcbVal.Target, ans.Target)
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assert.Equal(t, svcbVal.Priority, ans.Priority)
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})
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t.Run("noerror_https", func(t *testing.T) {
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req := makeQ(dns.TypeHTTPS)
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res := makeRes(dns.RcodeSuccess, dns.TypeHTTPS, svcbVal)
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d := &proxy.DNSContext{}
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err := srv.filterDNSRewrite(req, res, d)
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require.NoError(t, err)
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assert.Equal(t, dns.RcodeSuccess, d.Res.Rcode)
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require.Len(t, d.Res.Answer, 1)
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ans, ok := d.Res.Answer[0].(*dns.HTTPS)
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require.True(t, ok)
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require.Len(t, ans.Value, 2)
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assert.ElementsMatch(
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t,
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[]dns.SVCBKey{dns.SVCB_ALPN, dns.SVCB_DOHPATH},
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[]dns.SVCBKey{ans.Value[0].Key(), ans.Value[1].Key()},
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)
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assert.ElementsMatch(
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t,
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[]string{svcbVal.Params["alpn"], svcbVal.Params["dohpath"]},
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[]string{ans.Value[0].String(), ans.Value[1].String()},
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)
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assert.Equal(t, svcbVal.Target, ans.Target)
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assert.Equal(t, svcbVal.Priority, ans.Priority)
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})
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t.Run("noerror_srv", func(t *testing.T) {
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req := makeQ(dns.TypeSRV)
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res := makeRes(dns.RcodeSuccess, dns.TypeSRV, srvVal)
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d := &proxy.DNSContext{}
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err := srv.filterDNSRewrite(req, res, d)
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require.NoError(t, err)
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assert.Equal(t, dns.RcodeSuccess, d.Res.Rcode)
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require.Len(t, d.Res.Answer, 1)
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ans, ok := d.Res.Answer[0].(*dns.SRV)
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require.True(t, ok)
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assert.Equal(t, srvVal.Priority, ans.Priority)
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assert.Equal(t, srvVal.Weight, ans.Weight)
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assert.Equal(t, srvVal.Port, ans.Port)
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assert.Equal(t, srvVal.Target, ans.Target)
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})
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}
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