mirror of https://github.com/0xERR0R/blocky.git
1131 lines
37 KiB
Go
1131 lines
37 KiB
Go
package resolver
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import (
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"time"
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"github.com/0xERR0R/blocky/config"
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. "github.com/0xERR0R/blocky/evt"
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. "github.com/0xERR0R/blocky/helpertest"
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"github.com/0xERR0R/blocky/lists"
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"github.com/0xERR0R/blocky/log"
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. "github.com/0xERR0R/blocky/model"
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"github.com/0xERR0R/blocky/util"
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"github.com/miekg/dns"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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"github.com/stretchr/testify/mock"
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)
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var (
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group1File, group2File, defaultGroupFile *TmpFile
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tmpDir *TmpFolder
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)
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var _ = BeforeSuite(func() {
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tmpDir = NewTmpFolder("BlockingResolver")
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Expect(tmpDir.Error).Should(Succeed())
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DeferCleanup(tmpDir.Clean)
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group1File = tmpDir.CreateStringFile("group1File", "DOMAIN1.com")
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Expect(group1File.Error).Should(Succeed())
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group2File = tmpDir.CreateStringFile("group2File", "blocked2.com")
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Expect(group2File.Error).Should(Succeed())
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defaultGroupFile = tmpDir.CreateStringFile("defaultGroupFile",
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"blocked3.com",
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"123.145.123.145",
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"2001:db8:85a3:08d3::370:7344",
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"badcnamedomain.com")
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Expect(defaultGroupFile.Error).Should(Succeed())
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})
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var _ = Describe("BlockingResolver", Label("blockingResolver"), func() {
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var (
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sut *BlockingResolver
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sutConfig config.BlockingConfig
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m *mockResolver
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mockAnswer *dns.Msg
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)
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Describe("Type", func() {
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It("follows conventions", func() {
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expectValidResolverType(sut)
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})
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})
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BeforeEach(func() {
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sutConfig = config.BlockingConfig{
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BlockType: "ZEROIP",
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BlockTTL: config.Duration(time.Minute),
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}
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mockAnswer = new(dns.Msg)
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})
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JustBeforeEach(func() {
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var err error
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m = &mockResolver{}
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m.On("Resolve", mock.Anything).Return(&Response{Res: mockAnswer}, nil)
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sut, err = NewBlockingResolver(sutConfig, nil, systemResolverBootstrap)
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Expect(err).Should(Succeed())
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sut.Next(m)
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})
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Describe("IsEnabled", func() {
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It("is false", func() {
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Expect(sut.IsEnabled()).Should(BeFalse())
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})
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})
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Describe("LogConfig", func() {
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It("should log something", func() {
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logger, hook := log.NewMockEntry()
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sut.LogConfig(logger)
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Expect(hook.Calls).ShouldNot(BeEmpty())
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})
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})
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Describe("Events", func() {
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BeforeEach(func() {
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sutConfig = config.BlockingConfig{
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BlockType: "ZEROIP",
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BlockTTL: config.Duration(time.Minute),
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BlackLists: map[string][]string{
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"gr1": {group1File.Path},
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"gr2": {group2File.Path},
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},
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}
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})
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When("List is refreshed", func() {
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It("event should be fired", func() {
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groupCnt := make(map[string]int)
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err := Bus().Subscribe(BlockingCacheGroupChanged, func(listType lists.ListCacheType, group string, cnt int) {
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groupCnt[group] = cnt
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})
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Expect(err).Should(Succeed())
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// recreate to trigger a reload
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sut, err = NewBlockingResolver(sutConfig, nil, systemResolverBootstrap)
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Expect(err).Should(Succeed())
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Eventually(groupCnt, "1s").Should(HaveLen(2))
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})
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})
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})
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Describe("Blocking with full-qualified client name", func() {
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BeforeEach(func() {
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sutConfig = config.BlockingConfig{
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BlockType: "ZEROIP",
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BlockTTL: config.Duration(time.Minute),
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BlackLists: map[string][]string{
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"gr1": {group1File.Path},
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"gr2": {group2File.Path},
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},
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ClientGroupsBlock: map[string][]string{
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"default": {"gr1"},
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"full.qualified.com": {"gr2"},
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},
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}
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})
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When("Full-qualified group name is used", func() {
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It("should block request", func() {
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m.AnswerFn = func(t dns.Type, qName string) (*dns.Msg, error) {
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if t == dns.Type(dns.TypeA) && qName == "full.qualified.com." {
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return util.NewMsgWithAnswer(qName, 60*60, A, "192.168.178.39")
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}
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return nil, nil //nolint:nilnil
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}
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Bus().Publish(ApplicationStarted, "")
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Eventually(func(g Gomega) {
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g.Expect(sut.Resolve(newRequestWithClient("blocked2.com.", A, "192.168.178.39", "client1"))).
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Should(And(
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BeDNSRecord("blocked2.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 60)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReturnCode(dns.RcodeSuccess),
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))
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}, "10s", "1s").Should(Succeed())
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})
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})
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})
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Describe("Blocking with fast start strategy", func() {
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BeforeEach(func() {
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sutConfig = config.BlockingConfig{
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BlockType: "ZEROIP",
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BlockTTL: config.Duration(time.Minute),
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BlackLists: map[string][]string{
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"gr1": {"\n/regex/"},
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},
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ClientGroupsBlock: map[string][]string{
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"default": {"gr1"},
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},
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StartStrategy: config.StartStrategyTypeFast,
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}
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})
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When("Domain is on the black list", func() {
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It("should block request", func() {
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Eventually(sut.Resolve).
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WithArguments(newRequestWithClient("regex.com.", dns.Type(dns.TypeA), "1.2.1.2", "client1")).
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Should(
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SatisfyAll(
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BeDNSRecord("regex.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 60)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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})
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})
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Describe("Blocking requests", func() {
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BeforeEach(func() {
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sutConfig = config.BlockingConfig{
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BlockTTL: config.Duration(6 * time.Hour),
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BlackLists: map[string][]string{
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"gr1": {group1File.Path},
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"gr2": {group2File.Path},
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"defaultGroup": {defaultGroupFile.Path},
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},
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ClientGroupsBlock: map[string][]string{
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"Client1": {"gr1"},
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"client2,client3": {"gr1"},
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"client3": {"gr2"},
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"192.168.178.55": {"gr1"},
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"altName": {"gr2"},
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"10.43.8.67/28": {"gr1"},
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"wildcard[0-9]*": {"gr1"},
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"default": {"defaultGroup"},
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},
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BlockType: "ZeroIP",
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}
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})
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When("client name is defined in client groups block", func() {
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It("should block the A query if domain is on the black list (single)", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "client1"))).
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Should(
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SatisfyAll(
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BeDNSRecord("domain1.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 21600)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReason("BLOCKED (gr1)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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It("should block the A query if domain is on the black list (multipart 1)", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "client2"))).
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Should(
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SatisfyAll(
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BeDNSRecord("domain1.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 21600)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReason("BLOCKED (gr1)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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It("should block the A query if domain is on the black list (multipart 2)", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "client3"))).
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Should(
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SatisfyAll(
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BeDNSRecord("domain1.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 21600)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReason("BLOCKED (gr1)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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It("should block the A query if domain is on the black list (merged)", func() {
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Expect(sut.Resolve(newRequestWithClient("blocked2.com.", A, "1.2.1.2", "client3"))).
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Should(
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SatisfyAll(
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BeDNSRecord("blocked2.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 21600)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReason("BLOCKED (gr2)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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It("should block the AAAA query if domain is on the black list", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", AAAA, "1.2.1.2", "client1"))).
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Should(
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SatisfyAll(
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BeDNSRecord("domain1.com.", AAAA, "::"),
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HaveTTL(BeNumerically("==", 21600)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReason("BLOCKED (gr1)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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It("should block the HTTPS query if domain is on the black list", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", HTTPS, "1.2.1.2", "client1"))).
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Should(HaveReturnCode(dns.RcodeNameError))
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})
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It("should block the MX query if domain is on the black list", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", MX, "1.2.1.2", "client1"))).
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Should(HaveReturnCode(dns.RcodeNameError))
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})
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})
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When("Client ip is defined in client groups block", func() {
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It("should block the query if domain is on the black list", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "192.168.178.55", "unknown"))).
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Should(
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SatisfyAll(
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BeDNSRecord("domain1.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 21600)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReason("BLOCKED (gr1)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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})
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When("Client CIDR (10.43.8.64 - 10.43.8.79) is defined in client groups block", func() {
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It("should not block the query for 10.43.8.63 if domain is on the black list", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "10.43.8.63", "unknown"))).
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Should(
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SatisfyAll(
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HaveNoAnswer(),
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HaveResponseType(ResponseTypeRESOLVED),
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HaveReturnCode(dns.RcodeSuccess),
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))
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// was delegated to next resolver
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m.AssertExpectations(GinkgoT())
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})
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It("should not block the query for 10.43.8.80 if domain is on the black list", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "10.43.8.80", "unknown"))).
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Should(
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SatisfyAll(
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HaveNoAnswer(),
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HaveResponseType(ResponseTypeRESOLVED),
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HaveReturnCode(dns.RcodeSuccess),
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))
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// was delegated to next resolver
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m.AssertExpectations(GinkgoT())
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})
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})
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When("Client CIDR (10.43.8.64 - 10.43.8.79) is defined in client groups block", func() {
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It("should block the query for 10.43.8.64 if domain is on the black list", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "10.43.8.64", "unknown"))).
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Should(
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SatisfyAll(
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BeDNSRecord("domain1.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 21600)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReason("BLOCKED (gr1)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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It("should block the query for 10.43.8.79 if domain is on the black list", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "10.43.8.79", "unknown"))).
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Should(
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SatisfyAll(
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BeDNSRecord("domain1.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 21600)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReason("BLOCKED (gr1)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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})
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When("Client has multiple names and for each name a client group block definition exists", func() {
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It("should block query if domain is in one group", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "client1", "altname"))).
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Should(
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SatisfyAll(
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BeDNSRecord("domain1.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 21600)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReason("BLOCKED (gr1)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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It("should block query if domain is in another group too", func() {
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Expect(sut.Resolve(newRequestWithClient("blocked2.com.", A, "1.2.1.2", "client1", "altName"))).
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Should(
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SatisfyAll(
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BeDNSRecord("blocked2.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 21600)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReason("BLOCKED (gr2)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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})
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When("Client name matches wildcard", func() {
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It("should block query if domain is in one group", func() {
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Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "wildcard1name"))).
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Should(
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SatisfyAll(
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BeDNSRecord("domain1.com.", A, "0.0.0.0"),
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HaveTTL(BeNumerically("==", 21600)),
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HaveResponseType(ResponseTypeBLOCKED),
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HaveReason("BLOCKED (gr1)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
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})
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})
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|
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When("Default group is defined", func() {
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It("should block domains from default group for each client", func() {
|
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Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
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Should(
|
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SatisfyAll(
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BeDNSRecord("blocked3.com.", A, "0.0.0.0"),
|
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HaveTTL(BeNumerically("==", 21600)),
|
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HaveResponseType(ResponseTypeBLOCKED),
|
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HaveReason("BLOCKED (defaultGroup)"),
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HaveReturnCode(dns.RcodeSuccess),
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))
|
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})
|
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})
|
|
|
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When("BlockType is NxDomain", func() {
|
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BeforeEach(func() {
|
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sutConfig = config.BlockingConfig{
|
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BlockTTL: config.Duration(time.Minute),
|
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BlackLists: map[string][]string{
|
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"defaultGroup": {defaultGroupFile.Path},
|
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},
|
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ClientGroupsBlock: map[string][]string{
|
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"default": {"defaultGroup"},
|
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},
|
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BlockType: "NxDomain",
|
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}
|
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})
|
|
|
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It("should return NXDOMAIN if query is blocked", func() {
|
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Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
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HaveReturnCode(dns.RcodeNameError),
|
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HaveReason("BLOCKED (defaultGroup)"),
|
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))
|
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})
|
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})
|
|
|
|
When("BlockTTL is set", func() {
|
|
BeforeEach(func() {
|
|
sutConfig = config.BlockingConfig{
|
|
BlockType: "ZEROIP",
|
|
BlackLists: map[string][]string{
|
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"defaultGroup": {defaultGroupFile.Path},
|
|
},
|
|
ClientGroupsBlock: map[string][]string{
|
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"default": {"defaultGroup"},
|
|
},
|
|
BlockTTL: config.Duration(time.Second * 1234),
|
|
}
|
|
})
|
|
|
|
It("should return answer with specified TTL", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked3.com.", A, "0.0.0.0"),
|
|
HaveTTL(BeNumerically("==", 1234)),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
HaveReason("BLOCKED (defaultGroup)"),
|
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))
|
|
})
|
|
|
|
When("BlockType is custom IP", func() {
|
|
BeforeEach(func() {
|
|
sutConfig.BlockType = "12.12.12.12"
|
|
})
|
|
|
|
It("should return custom IP with specified TTL", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked3.com.", A, "12.12.12.12"),
|
|
HaveTTL(BeNumerically("==", 1234)),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
HaveReason("BLOCKED (defaultGroup)"),
|
|
))
|
|
})
|
|
})
|
|
})
|
|
|
|
When("BlockType is custom IP", func() {
|
|
BeforeEach(func() {
|
|
sutConfig = config.BlockingConfig{
|
|
BlockTTL: config.Duration(6 * time.Hour),
|
|
BlackLists: map[string][]string{
|
|
"defaultGroup": {defaultGroupFile.Path},
|
|
},
|
|
ClientGroupsBlock: map[string][]string{
|
|
"default": {"defaultGroup"},
|
|
},
|
|
BlockType: "12.12.12.12, 2001:0db8:85a3:0000:0000:8a2e:0370:7334",
|
|
}
|
|
})
|
|
|
|
It("should return ipv4 address for A query if query is blocked", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked3.com.", A, "12.12.12.12"),
|
|
HaveTTL(BeNumerically("==", 21600)),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
HaveReason("BLOCKED (defaultGroup)"),
|
|
))
|
|
})
|
|
|
|
It("should return ipv6 address for AAAA query if query is blocked", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", AAAA, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked3.com.", AAAA, "2001:db8:85a3::8a2e:370:7334"),
|
|
HaveTTL(BeNumerically("==", 21600)),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
HaveReason("BLOCKED (defaultGroup)"),
|
|
))
|
|
})
|
|
})
|
|
|
|
When("BlockType is custom IP only for ipv4", func() {
|
|
BeforeEach(func() {
|
|
sutConfig = config.BlockingConfig{
|
|
BlackLists: map[string][]string{
|
|
"defaultGroup": {defaultGroupFile.Path},
|
|
},
|
|
ClientGroupsBlock: map[string][]string{
|
|
"default": {"defaultGroup"},
|
|
},
|
|
BlockType: "12.12.12.12",
|
|
BlockTTL: config.Duration(6 * time.Hour),
|
|
}
|
|
})
|
|
|
|
It("should use fallback for ipv6 and return zero ip", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", AAAA, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked3.com.", AAAA, "::"),
|
|
HaveTTL(BeNumerically("==", 21600)),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
HaveReason("BLOCKED (defaultGroup)"),
|
|
))
|
|
})
|
|
})
|
|
|
|
When("Blacklist contains IP", func() {
|
|
When("IP4", func() {
|
|
BeforeEach(func() {
|
|
// return defined IP as response
|
|
mockAnswer, _ = util.NewMsgWithAnswer("example.com.", 300, A, "123.145.123.145")
|
|
})
|
|
It("should block query, if lookup result contains blacklisted IP", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("example.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("example.com.", A, "0.0.0.0"),
|
|
HaveTTL(BeNumerically("==", 21600)),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
HaveReason("BLOCKED IP (defaultGroup)"),
|
|
))
|
|
})
|
|
})
|
|
When("IP6", func() {
|
|
BeforeEach(func() {
|
|
// return defined IP as response
|
|
mockAnswer, _ = util.NewMsgWithAnswer(
|
|
"example.com.", 300,
|
|
AAAA, "2001:0db8:85a3:08d3::0370:7344",
|
|
)
|
|
})
|
|
It("should block query, if lookup result contains blacklisted IP", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("example.com.", AAAA, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("example.com.", AAAA, "::"),
|
|
HaveTTL(BeNumerically("==", 21600)),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
HaveReason("BLOCKED IP (defaultGroup)"),
|
|
))
|
|
})
|
|
})
|
|
})
|
|
|
|
When("blacklist contains domain which is CNAME in response", func() {
|
|
BeforeEach(func() {
|
|
// reconfigure mock, to return CNAMEs
|
|
rr1, _ := dns.NewRR("example.com 300 IN CNAME domain.com")
|
|
rr2, _ := dns.NewRR("domain.com 300 IN CNAME badcnamedomain.com")
|
|
rr3, _ := dns.NewRR("badcnamedomain.com 300 IN A 125.125.125.125")
|
|
mockAnswer = new(dns.Msg)
|
|
mockAnswer.Answer = []dns.RR{rr1, rr2, rr3}
|
|
})
|
|
It("should block the query, if response contains a CNAME with domain on a blacklist", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("example.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("example.com.", A, "0.0.0.0"),
|
|
HaveTTL(BeNumerically("==", 21600)),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
HaveReason("BLOCKED CNAME (defaultGroup)"),
|
|
))
|
|
})
|
|
})
|
|
})
|
|
|
|
Describe("Whitelisting", func() {
|
|
When("Requested domain is on black and white list", func() {
|
|
BeforeEach(func() {
|
|
sutConfig = config.BlockingConfig{
|
|
BlockType: "ZEROIP",
|
|
BlockTTL: config.Duration(time.Minute),
|
|
BlackLists: map[string][]string{"gr1": {group1File.Path}},
|
|
WhiteLists: map[string][]string{"gr1": {group1File.Path}},
|
|
ClientGroupsBlock: map[string][]string{
|
|
"default": {"gr1"},
|
|
},
|
|
}
|
|
})
|
|
It("Should not be blocked", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
// was delegated to next resolver
|
|
m.AssertExpectations(GinkgoT())
|
|
})
|
|
})
|
|
|
|
When("Only whitelist is defined", func() {
|
|
BeforeEach(func() {
|
|
sutConfig = config.BlockingConfig{
|
|
BlockType: "zeroIP",
|
|
BlockTTL: config.Duration(60 * time.Second),
|
|
WhiteLists: map[string][]string{
|
|
"gr1": {group1File.Path},
|
|
"gr2": {group2File.Path},
|
|
},
|
|
ClientGroupsBlock: map[string][]string{
|
|
"default": {"gr1"},
|
|
"one-client": {"gr1"},
|
|
"two-client": {"gr2"},
|
|
"all-client": {"gr1", "gr2"},
|
|
},
|
|
}
|
|
})
|
|
It("should block everything else except domains on the white list with default group", func() {
|
|
By("querying domain on the whitelist", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
// was delegated to next resolver
|
|
m.AssertExpectations(GinkgoT())
|
|
})
|
|
|
|
By("querying another domain, which is not on the whitelist", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("google.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("google.com.", A, "0.0.0.0"),
|
|
HaveTTL(BeNumerically("==", 60)),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
HaveReason("BLOCKED (WHITELIST ONLY)"),
|
|
))
|
|
|
|
Expect(m.Calls).Should(HaveLen(1))
|
|
})
|
|
})
|
|
It("should block everything else except domains on the white list "+
|
|
"if multiple white list only groups are defined", func() {
|
|
By("querying domain on the whitelist", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "one-client"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
// was delegated to next resolver
|
|
m.AssertExpectations(GinkgoT())
|
|
})
|
|
|
|
By("querying another domain, which is not on the whitelist", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("blocked2.com.", A, "1.2.1.2", "one-client"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked2.com.", A, "0.0.0.0"),
|
|
HaveTTL(BeNumerically("==", 60)),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
HaveReason("BLOCKED (WHITELIST ONLY)"),
|
|
))
|
|
Expect(m.Calls).Should(HaveLen(1))
|
|
})
|
|
})
|
|
It("should block everything else except domains on the white list "+
|
|
"if multiple white list only groups are defined", func() {
|
|
By("querying domain on the whitelist group 1", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "all-client"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
// was delegated to next resolver
|
|
m.AssertExpectations(GinkgoT())
|
|
})
|
|
|
|
By("querying another domain, which is in the whitelist group 1", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("blocked2.com.", A, "1.2.1.2", "all-client"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
Expect(m.Calls).Should(HaveLen(2))
|
|
})
|
|
})
|
|
})
|
|
|
|
When("IP address is on black and white list", func() {
|
|
BeforeEach(func() {
|
|
sutConfig = config.BlockingConfig{
|
|
BlockType: "ZEROIP",
|
|
BlockTTL: config.Duration(time.Minute),
|
|
BlackLists: map[string][]string{"gr1": {group1File.Path}},
|
|
WhiteLists: map[string][]string{"gr1": {defaultGroupFile.Path}},
|
|
ClientGroupsBlock: map[string][]string{
|
|
"default": {"gr1"},
|
|
},
|
|
}
|
|
mockAnswer, _ = util.NewMsgWithAnswer("example.com.", 300, A, "123.145.123.145")
|
|
})
|
|
It("should not block if DNS answer contains IP from the white list", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("example.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("example.com.", A, "123.145.123.145"),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
// was delegated to next resolver
|
|
m.AssertExpectations(GinkgoT())
|
|
})
|
|
})
|
|
})
|
|
|
|
Describe("Delegate request to next resolver", func() {
|
|
BeforeEach(func() {
|
|
sutConfig = config.BlockingConfig{
|
|
BlockType: "ZEROIP",
|
|
BlockTTL: config.Duration(time.Minute),
|
|
BlackLists: map[string][]string{"gr1": {group1File.Path}},
|
|
ClientGroupsBlock: map[string][]string{
|
|
"default": {"gr1"},
|
|
},
|
|
}
|
|
})
|
|
AfterEach(func() {
|
|
// was delegated to next resolver
|
|
m.AssertExpectations(GinkgoT())
|
|
})
|
|
When("domain is not on the black list", func() {
|
|
It("should delegate to next resolver", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("example.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
})
|
|
When("no lists defined", func() {
|
|
BeforeEach(func() {
|
|
sutConfig = config.BlockingConfig{
|
|
BlockType: "ZEROIP",
|
|
BlockTTL: config.Duration(time.Minute),
|
|
}
|
|
})
|
|
It("should delegate to next resolver", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("example.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
})
|
|
})
|
|
|
|
Describe("Control status via API", func() {
|
|
BeforeEach(func() {
|
|
sutConfig = config.BlockingConfig{
|
|
BlackLists: map[string][]string{
|
|
"defaultGroup": {defaultGroupFile.Path},
|
|
"group1": {group1File.Path},
|
|
},
|
|
ClientGroupsBlock: map[string][]string{
|
|
"default": {"defaultGroup", "group1"},
|
|
},
|
|
BlockType: "ZeroIP",
|
|
}
|
|
})
|
|
When("Disable blocking is called", func() {
|
|
It("no query should be blocked", func() {
|
|
By("Perform query to ensure that the blocking status is active (defaultGroup)", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked3.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (defaultGroup)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
|
|
By("Perform query to ensure that the blocking status is active (group1)", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("domain1.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (group1)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
|
|
By("Calling Rest API to deactivate all groups", func() {
|
|
err := sut.DisableBlocking(0, []string{})
|
|
Expect(err).Should(Succeed())
|
|
})
|
|
|
|
By("perform the same query again (defaultGroup)", func() {
|
|
// now is blocking disabled, query the url again
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
m.AssertExpectations(GinkgoT())
|
|
m.AssertNumberOfCalls(GinkgoT(), "Resolve", 1)
|
|
})
|
|
|
|
By("perform the same query again (group1)", func() {
|
|
// now is blocking disabled, query the url again
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
m.AssertExpectations(GinkgoT())
|
|
m.AssertNumberOfCalls(GinkgoT(), "Resolve", 2)
|
|
})
|
|
|
|
By("Calling Rest API to deactivate only defaultGroup", func() {
|
|
err := sut.DisableBlocking(0, []string{"defaultGroup"})
|
|
Expect(err).Should(Succeed())
|
|
})
|
|
|
|
By("perform the same query again (defaultGroup)", func() {
|
|
// now is blocking disabled, query the url again
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
m.AssertExpectations(GinkgoT())
|
|
m.AssertNumberOfCalls(GinkgoT(), "Resolve", 3)
|
|
})
|
|
|
|
By("Perform query to ensure that the blocking status is active (group1)", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("domain1.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (group1)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
})
|
|
})
|
|
|
|
When("Disable blocking for all groups is called with a duration parameter", func() {
|
|
It("No query should be blocked only for passed amount of time", func() {
|
|
By("Perform query to ensure that the blocking status is active (defaultGroup)", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked3.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (defaultGroup)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
By("Perform query to ensure that the blocking status is active (group1)", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("domain1.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (group1)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
|
|
By("Calling Rest API to deactivate blocking for 0.5 sec", func() {
|
|
enabled := make(chan bool, 1)
|
|
err := Bus().SubscribeOnce(BlockingEnabledEvent, func(state bool) {
|
|
enabled <- state
|
|
})
|
|
Expect(err).Should(Succeed())
|
|
err = sut.DisableBlocking(500*time.Millisecond, []string{})
|
|
Expect(err).Should(Succeed())
|
|
Eventually(enabled, "1s").Should(Receive(BeFalse()))
|
|
})
|
|
|
|
By("perform the same query again to ensure that this query will not be blocked (defaultGroup)", func() {
|
|
// now is blocking disabled, query the url again
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
m.AssertExpectations(GinkgoT())
|
|
m.AssertNumberOfCalls(GinkgoT(), "Resolve", 1)
|
|
})
|
|
By("perform the same query again to ensure that this query will not be blocked (group1)", func() {
|
|
// now is blocking disabled, query the url again
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
m.AssertExpectations(GinkgoT())
|
|
m.AssertNumberOfCalls(GinkgoT(), "Resolve", 2)
|
|
})
|
|
|
|
By("Wait 1 sec and perform the same query again, should be blocked now", func() {
|
|
enabled := make(chan bool, 1)
|
|
_ = Bus().SubscribeOnce(BlockingEnabledEvent, func(state bool) {
|
|
enabled <- state
|
|
})
|
|
// wait 1 sec
|
|
Eventually(enabled, "1s").Should(Receive(BeTrue()))
|
|
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked3.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (defaultGroup)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("domain1.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (group1)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
})
|
|
})
|
|
|
|
When("Disable blocking for one group is called with a duration parameter", func() {
|
|
It("No query should be blocked only for passed amount of time", func() {
|
|
By("Perform query to ensure that the blocking status is active (defaultGroup)", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked3.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (defaultGroup)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
By("Perform query to ensure that the blocking status is active (group1)", func() {
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("domain1.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (group1)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
|
|
By("Calling Rest API to deactivate blocking for one group for 0.5 sec", func() {
|
|
enabled := make(chan bool, 1)
|
|
err := Bus().SubscribeOnce(BlockingEnabledEvent, func(state bool) {
|
|
enabled <- false
|
|
})
|
|
Expect(err).Should(Succeed())
|
|
err = sut.DisableBlocking(500*time.Millisecond, []string{"group1"})
|
|
Expect(err).Should(Succeed())
|
|
Eventually(enabled, "1s").Should(Receive(BeFalse()))
|
|
})
|
|
|
|
By("perform the same query again to ensure that this query will not be blocked (defaultGroup)", func() {
|
|
// now is blocking disabled, query the url again
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked3.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (defaultGroup)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
By("perform the same query again to ensure that this query will not be blocked (group1)", func() {
|
|
// now is blocking disabled, query the url again
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
HaveNoAnswer(),
|
|
HaveResponseType(ResponseTypeRESOLVED),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
m.AssertExpectations(GinkgoT())
|
|
m.AssertNumberOfCalls(GinkgoT(), "Resolve", 1)
|
|
})
|
|
|
|
By("Wait 1 sec and perform the same query again, should be blocked now", func() {
|
|
enabled := make(chan bool, 1)
|
|
_ = Bus().SubscribeOnce(BlockingEnabledEvent, func(state bool) {
|
|
enabled <- state
|
|
})
|
|
// wait 1 sec
|
|
Eventually(enabled, "1s").Should(Receive(BeTrue()))
|
|
|
|
Expect(sut.Resolve(newRequestWithClient("blocked3.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("blocked3.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (defaultGroup)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
|
|
Expect(sut.Resolve(newRequestWithClient("domain1.com.", A, "1.2.1.2", "unknown"))).
|
|
Should(
|
|
SatisfyAll(
|
|
BeDNSRecord("domain1.com.", A, "0.0.0.0"),
|
|
HaveResponseType(ResponseTypeBLOCKED),
|
|
HaveReason("BLOCKED (group1)"),
|
|
HaveReturnCode(dns.RcodeSuccess),
|
|
))
|
|
})
|
|
})
|
|
})
|
|
|
|
When("Disable blocking is called with wrong group name", func() {
|
|
It("should fail", func() {
|
|
err := sut.DisableBlocking(500*time.Millisecond, []string{"unknownGroupName"})
|
|
Expect(err).Should(HaveOccurred())
|
|
})
|
|
})
|
|
|
|
When("Blocking status is called", func() {
|
|
It("should return correct status", func() {
|
|
By("enable blocking via API", func() {
|
|
sut.EnableBlocking()
|
|
})
|
|
|
|
By("Query blocking status via API should return 'enabled'", func() {
|
|
result := sut.BlockingStatus()
|
|
Expect(result.Enabled).Should(BeTrue())
|
|
})
|
|
|
|
By("disable blocking via API", func() {
|
|
err := sut.DisableBlocking(500*time.Millisecond, []string{})
|
|
Expect(err).Should(Succeed())
|
|
})
|
|
|
|
By("Query blocking status via API again should return 'disabled'", func() {
|
|
result := sut.BlockingStatus()
|
|
|
|
Expect(result.Enabled).Should(BeFalse())
|
|
})
|
|
})
|
|
})
|
|
})
|
|
|
|
Describe("Create resolver with wrong parameter", func() {
|
|
When("Wrong blockType is used", func() {
|
|
It("should return error", func() {
|
|
_, err := NewBlockingResolver(config.BlockingConfig{
|
|
BlockType: "wrong",
|
|
}, nil, systemResolverBootstrap)
|
|
|
|
Expect(err).Should(
|
|
MatchError("unknown blockType 'wrong', please use one of: ZeroIP, NxDomain or specify destination IP address(es)"))
|
|
})
|
|
})
|
|
When("startStrategy is failOnError", func() {
|
|
It("should fail if lists can't be downloaded", func() {
|
|
_, err := NewBlockingResolver(config.BlockingConfig{
|
|
BlackLists: map[string][]string{"gr1": {"wrongPath"}},
|
|
WhiteLists: map[string][]string{"whitelist": {"wrongPath"}},
|
|
StartStrategy: config.StartStrategyTypeFailOnError,
|
|
BlockType: "zeroIp",
|
|
}, nil, systemResolverBootstrap)
|
|
Expect(err).Should(HaveOccurred())
|
|
})
|
|
})
|
|
})
|
|
})
|