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zonemd_test.go
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package dnsutils_test
import (
"bytes"
_ "embed"
"github.com/miekg/dns"
"github.com/mimuret/dnsutils"
. "github.com/mimuret/dnsutils/testtool"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
//go:embed testdata/zonemd/example.simple.no-zonemd
var testExampleNoZONEMDData []byte
//go:embed testdata/zonemd/example.simple.zone
var testExampleSimpleData []byte
//go:embed testdata/zonemd/example.complex.zone
var testExampleComplexData []byte
//go:embed testdata/zonemd/example.complex.valid-zone
var testExampleComplexValidData []byte
//go:embed testdata/zonemd/example.multiple-support.zone
var testMultipleSupportData []byte
//go:embed testdata/zonemd/example.multiple.zone
var testMultipleData []byte
//go:embed testdata/zonemd/example.normalize.zone
var testNormalizeData []byte
//go:embed testdata/zonemd/uri.arpa.zone
var uriArpaZone []byte
//go:embed testdata/zonemd/root.zone
var rootZone []byte
//go:embed testdata/zonemd/keys/Kexample.+015+49842.private
var testZONEMDDnskeyED25519KSKPriv []byte
//go:embed testdata/zonemd/keys/Kexample.+015+49842.key
var testZONEMDDnskeyED25519KSKPub []byte
//go:embed testdata/zonemd/keys/Kexample.+015+04770.private
var testZONEMDDnskeyED25519ZSKPriv []byte
//go:embed testdata/zonemd/keys/Kexample.+015+04770.key
var testZONEMDDnskeyED25519ZSKPub []byte
var _ = Describe("zonemd", func() {
var (
err error
z *dnsutils.Zone
ok bool
)
Context("AddZONEMDPlaceholder", func() {
When("empty ZONMED", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testExampleNoZONEMDData))
Expect(err).To(Succeed(), "read zone")
err = dnsutils.AddZONEMDPlaceholder(z, nil, nil)
})
It("succeed", func() {
Expect(err).To(Succeed())
rrset := z.GetRootNode().GetRRSet(dns.TypeZONEMD)
Expect(rrset).NotTo(BeNil())
Expect(rrset.GetRRs()).To(HaveLen(1))
Expect(rrset.GetRRs()[0]).To(Equal(MustNewRR("example. 86400 IN ZONEMD 2018031900 1 1 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")))
})
})
When("ZONMED exists", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testExampleSimpleData))
Expect(err).To(Succeed(), "read zone")
err = dnsutils.AddZONEMDPlaceholder(z, nil, nil)
})
It("succeed", func() {
Expect(err).To(Succeed())
rrset := z.GetRootNode().GetRRSet(dns.TypeZONEMD)
Expect(rrset).NotTo(BeNil())
Expect(rrset.GetRRs()).To(HaveLen(1))
Expect(rrset.GetRRs()[0]).To(Equal(MustNewRR("example. 86400 IN ZONEMD 2018031900 1 1 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")))
})
})
})
Context("UpdateZONEMDDigest", func() {
When("simple", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testExampleNoZONEMDData))
Expect(err).To(Succeed(), "read zone")
err = dnsutils.AddZONEMDPlaceholder(z, nil, nil)
Expect(err).To(Succeed(), "AddZONEMDPlaceholder")
err = dnsutils.UpdateZONEMDDigest(z, nil)
})
It("succeed", func() {
Expect(err).To(Succeed())
rrset := z.GetRootNode().GetRRSet(dns.TypeZONEMD)
Expect(rrset).NotTo(BeNil())
Expect(rrset.GetRRs()).To(HaveLen(1))
Expect(rrset.GetRRs()[0]).To(Equal(MustNewRR("example. 86400 IN ZONEMD 2018031900 1 1 c68090d90a7aed716bc459f9340e3d7c1370d4d24b7e2fc3a1ddc0b9a87153b9a9713b3c9ae5cc27777f98b8e730044c")))
})
})
When("complex", func() {
When("outout zone", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testExampleComplexData))
})
It("failed to read zone", func() {
Expect(err).To(HaveOccurred(), "read zone")
})
})
When("valid zone", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testExampleComplexValidData))
Expect(err).To(Succeed(), "read zone")
err = dnsutils.AddZONEMDPlaceholder(z, nil, nil)
Expect(err).To(Succeed(), "AddZONEMDPlaceholder")
err = dnsutils.UpdateZONEMDDigest(z, nil)
})
It("succeed", func() {
Expect(err).To(Succeed())
rrset := z.GetRootNode().GetRRSet(dns.TypeZONEMD)
Expect(rrset).NotTo(BeNil())
Expect(rrset.GetRRs()).To(HaveLen(1))
Expect(rrset.GetRRs()[0]).To(Equal(MustNewRR("example. 86400 IN ZONEMD 2018031900 1 1 a3b69bad980a3504e1cffcb0fd6397f93848071c93151f552ae2f6b1711d4bd2d8b39808226d7b9db71e34b72077f8fe")))
})
})
})
When("Multiple Digests", func() {
When("valid zone", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testMultipleSupportData))
Expect(err).To(Succeed(), "read zone")
err = dnsutils.AddZONEMDPlaceholder(z, []*dns.ZONEMD{
{Scheme: dns.ZoneMDSchemeSimple, Hash: dns.ZoneMDHashAlgSHA384},
{Scheme: dns.ZoneMDSchemeSimple, Hash: dns.ZoneMDHashAlgSHA512},
}, nil)
Expect(err).To(Succeed(), "AddZONEMDPlaceholder")
err = dnsutils.UpdateZONEMDDigest(z, nil)
})
It("succeed", func() {
Expect(err).To(Succeed())
rrset := z.GetRootNode().GetRRSet(dns.TypeZONEMD)
Expect(rrset).NotTo(BeNil())
Expect(rrset.GetRRs()).To(HaveLen(2))
eq := map[int8]dns.RR{
dns.ZoneMDHashAlgSHA384: MustNewRR("example. 86400 IN ZONEMD 2018031900 1 1 62e6cf51b02e54b9b5f967d547ce43136792901f9f88e637493daaf401c92c279dd10f0edb1c56f8080211f8480ee306"),
dns.ZoneMDHashAlgSHA512: MustNewRR("example. 86400 IN ZONEMD 2018031900 1 2 08cfa1115c7b948c4163a901270395ea226a930cd2cbcf2fa9a5e6eb85f37c8a4e114d884e66f176eab121cb02db7d652e0cc4827e7a3204f166b47e5613fd27"),
}
for _, rr := range rrset.GetRRs() {
zonemd := rr.(*dns.ZONEMD)
Expect(rr).To(Equal(eq[int8(zonemd.Hash)]))
}
})
})
})
})
Context("CalcZONEMD", func() {
var (
digest string
)
When("normalize zone", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testNormalizeData))
Expect(err).To(Succeed(), "read zone")
zonemd := MustNewRR("example. 86400 IN ZONEMD 2018031900 1 1 0").(*dns.ZONEMD)
digest, err = dnsutils.CalcZONEMD(z, zonemd)
})
It("returns true", func() {
Expect(err).To(Succeed())
Expect(digest).To(Equal("f3ee6ced3a4af3dc0c82abef485311482218da9649af8b6c332c4fd2dd31a44a8e48f8b8e4717db08e244e0a26a020d7"))
})
})
When("unkown schema", func() {
BeforeEach(func() {
zonemd := MustNewRR("example. 86400 IN ZONEMD 2018031900 0 1 0").(*dns.ZONEMD)
_, err = dnsutils.CalcZONEMD(nil, zonemd)
})
It("returns ErrZONEMDUnknownSchema", func() {
Expect(err).To(Equal(dnsutils.ErrZONEMDUnknownSchema))
})
})
When("unkown hash", func() {
BeforeEach(func() {
zonemd := MustNewRR("example. 86400 IN ZONEMD 2018031900 1 0 0").(*dns.ZONEMD)
_, err = dnsutils.CalcZONEMD(nil, zonemd)
})
It("returns ErrZONEMDUnknownSchema", func() {
Expect(err).To(Equal(dnsutils.ErrZONEMDUnknownHash))
})
})
})
Context("VerifyZONEMDDigest", func() {
When("valid ZONEMD", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testExampleComplexValidData))
Expect(err).To(Succeed(), "read zone")
zonemd := MustNewRR("example. 86400 IN ZONEMD 2018031900 1 1 a3b69bad980a3504e1cffcb0fd6397f93848071c93151f552ae2f6b1711d4bd2d8b39808226d7b9db71e34b72077f8fe").(*dns.ZONEMD)
ok, err = dnsutils.VerifyZONEMDDigest(z, zonemd)
})
It("returns true", func() {
Expect(err).To(Succeed())
Expect(ok).To(BeTrue())
})
})
When("invalid ZONEMD", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testExampleComplexValidData))
Expect(err).To(Succeed(), "read zone")
zonemd := MustNewRR("example. 86400 IN ZONEMD 2018031900 1 1 000").(*dns.ZONEMD)
ok, err = dnsutils.VerifyZONEMDDigest(z, zonemd)
})
It("returns false", func() {
Expect(err).To(Succeed())
Expect(ok).To(BeFalse())
})
})
})
Context("VerifyAnyZONEMDDigest", func() {
When("valid ZONEMD", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testMultipleData))
Expect(err).To(Succeed(), "read zone")
ok, err = dnsutils.VerifyAnyZONEMDDigest(z)
})
It("returns true", func() {
Expect(err).To(Succeed())
Expect(ok).To(BeTrue())
})
})
When("root zone", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(rootZone))
Expect(err).To(Succeed(), "read zone")
ok, err = dnsutils.VerifyAnyZONEMDDigest(z)
})
It("returns true", func() {
Expect(err).To(Succeed())
Expect(ok).To(BeTrue())
})
})
When("uri.arpa zone", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(uriArpaZone))
Expect(err).To(Succeed(), "read zone")
ok, err = dnsutils.VerifyAnyZONEMDDigest(z)
})
It("returns true", func() {
Expect(err).To(Succeed())
Expect(ok).To(BeTrue())
})
})
When("uri.arpa zone", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(uriArpaZone))
Expect(err).To(Succeed(), "read zone")
ok, err = dnsutils.VerifyAnyZONEMDDigest(z)
})
It("returns true", func() {
Expect(err).To(Succeed())
Expect(ok).To(BeTrue())
})
})
When("apex zonemd doesn't exist", func() {
BeforeEach(func() {
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testExampleNoZONEMDData))
Expect(err).To(Succeed(), "read zone")
ok, err = dnsutils.VerifyAnyZONEMDDigest(z)
})
It("returns true", func() {
Expect(err).To(Equal(dnsutils.ErrZONEMDVerifySkip))
})
})
})
Context("UpdateZONEMDDigest & Sign", func() {
var (
inception = uint32(1704067200)
expiration = uint32(1893456000)
nsecSignOption = dnsutils.SignOption{
DoEMethod: dnsutils.DenialOfExistenceMethodNSEC,
Inception: &inception,
Expiration: &expiration,
ZONEMDEnabled: &True,
CDSEnabled: &False,
CDNSKEYEnabled: &False,
}
nsec3SignOption = dnsutils.SignOption{
DoEMethod: dnsutils.DenialOfExistenceMethodNSEC3,
Inception: &inception,
Expiration: &expiration,
ZONEMDEnabled: &True,
CDSEnabled: &False,
CDNSKEYEnabled: &False,
}
zsk *dnsutils.DNSKEY
ksk *dnsutils.DNSKEY
dnskeys []*dnsutils.DNSKEY
)
BeforeEach(func() {
ksk, err = dnsutils.ReadDNSKEY(bytes.NewBuffer(testZONEMDDnskeyED25519KSKPriv), bytes.NewBuffer(testZONEMDDnskeyED25519KSKPub))
Expect(err).To(Succeed())
zsk, err = dnsutils.ReadDNSKEY(bytes.NewBuffer(testZONEMDDnskeyED25519ZSKPriv), bytes.NewBuffer(testZONEMDDnskeyED25519ZSKPub))
Expect(err).To(Succeed())
dnskeys = []*dnsutils.DNSKEY{ksk, zsk}
z = &dnsutils.Zone{}
err = z.Read(bytes.NewBuffer(testExampleComplexValidData))
})
Context("sign with nsec", func() {
BeforeEach(func() {
err = dnsutils.Sign(z, nsecSignOption, dnskeys, nil)
Expect(err).To(Succeed())
ok, err = dnsutils.VerifyAnyZONEMDDigest(z)
})
It("returns true", func() {
Expect(err).To(Succeed())
Expect(ok).To(BeTrue())
})
})
Context("sign with nsec3", func() {
BeforeEach(func() {
err = dnsutils.Sign(z, nsec3SignOption, dnskeys, nil)
Expect(err).To(Succeed())
ok, err = dnsutils.VerifyAnyZONEMDDigest(z)
})
It("returns true", func() {
Expect(err).To(Succeed())
Expect(ok).To(BeTrue())
})
})
})
})