374 lines
13 KiB
Go
374 lines
13 KiB
Go
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package cert
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import (
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"crypto/rand"
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"fmt"
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"io"
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"net"
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"testing"
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"time"
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"github.com/golang/protobuf/proto"
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"github.com/stretchr/testify/assert"
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"golang.org/x/crypto/curve25519"
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"golang.org/x/crypto/ed25519"
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)
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func TestMarshalingNebulaCertificate(t *testing.T) {
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before := time.Now().Add(time.Second * -60).Round(time.Second)
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after := time.Now().Add(time.Second * 60).Round(time.Second)
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pubKey := []byte("1234567890abcedfghij1234567890ab")
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nc := NebulaCertificate{
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Details: NebulaCertificateDetails{
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Name: "testing",
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Ips: []*net.IPNet{
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{IP: net.ParseIP("10.1.1.1"), Mask: net.IPMask(net.ParseIP("255.255.255.0"))},
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{IP: net.ParseIP("10.1.1.2"), Mask: net.IPMask(net.ParseIP("255.255.0.0"))},
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{IP: net.ParseIP("10.1.1.3"), Mask: net.IPMask(net.ParseIP("255.0.255.0"))},
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},
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Subnets: []*net.IPNet{
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{IP: net.ParseIP("9.1.1.1"), Mask: net.IPMask(net.ParseIP("255.0.255.0"))},
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{IP: net.ParseIP("9.1.1.2"), Mask: net.IPMask(net.ParseIP("255.255.255.0"))},
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{IP: net.ParseIP("9.1.1.3"), Mask: net.IPMask(net.ParseIP("255.255.0.0"))},
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},
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Groups: []string{"test-group1", "test-group2", "test-group3"},
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NotBefore: before,
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NotAfter: after,
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PublicKey: pubKey,
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IsCA: false,
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Issuer: "1234567890abcedfghij1234567890ab",
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},
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Signature: []byte("1234567890abcedfghij1234567890ab"),
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}
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b, err := nc.Marshal()
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assert.Nil(t, err)
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t.Log("Cert size:", len(b))
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nc2, err := UnmarshalNebulaCertificate(b)
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assert.Nil(t, err)
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assert.Equal(t, nc.Signature, nc2.Signature)
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assert.Equal(t, nc.Details.Name, nc2.Details.Name)
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assert.Equal(t, nc.Details.NotBefore, nc2.Details.NotBefore)
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assert.Equal(t, nc.Details.NotAfter, nc2.Details.NotAfter)
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assert.Equal(t, nc.Details.PublicKey, nc2.Details.PublicKey)
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assert.Equal(t, nc.Details.IsCA, nc2.Details.IsCA)
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// IP byte arrays can be 4 or 16 in length so we have to go this route
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assert.Equal(t, len(nc.Details.Ips), len(nc2.Details.Ips))
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for i, wIp := range nc.Details.Ips {
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assert.Equal(t, wIp.String(), nc2.Details.Ips[i].String())
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}
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assert.Equal(t, len(nc.Details.Subnets), len(nc2.Details.Subnets))
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for i, wIp := range nc.Details.Subnets {
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assert.Equal(t, wIp.String(), nc2.Details.Subnets[i].String())
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}
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assert.EqualValues(t, nc.Details.Groups, nc2.Details.Groups)
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}
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func TestNebulaCertificate_Sign(t *testing.T) {
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before := time.Now().Add(time.Second * -60).Round(time.Second)
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after := time.Now().Add(time.Second * 60).Round(time.Second)
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pubKey := []byte("1234567890abcedfghij1234567890ab")
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nc := NebulaCertificate{
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Details: NebulaCertificateDetails{
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Name: "testing",
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Ips: []*net.IPNet{
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{IP: net.ParseIP("10.1.1.1"), Mask: net.IPMask(net.ParseIP("255.255.255.0"))},
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{IP: net.ParseIP("10.1.1.2"), Mask: net.IPMask(net.ParseIP("255.255.0.0"))},
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{IP: net.ParseIP("10.1.1.3"), Mask: net.IPMask(net.ParseIP("255.0.255.0"))},
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},
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Subnets: []*net.IPNet{
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{IP: net.ParseIP("9.1.1.1"), Mask: net.IPMask(net.ParseIP("255.0.255.0"))},
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{IP: net.ParseIP("9.1.1.2"), Mask: net.IPMask(net.ParseIP("255.255.255.0"))},
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{IP: net.ParseIP("9.1.1.3"), Mask: net.IPMask(net.ParseIP("255.255.0.0"))},
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},
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Groups: []string{"test-group1", "test-group2", "test-group3"},
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NotBefore: before,
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NotAfter: after,
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PublicKey: pubKey,
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IsCA: false,
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Issuer: "1234567890abcedfghij1234567890ab",
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},
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}
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pub, priv, err := ed25519.GenerateKey(rand.Reader)
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assert.Nil(t, err)
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assert.False(t, nc.CheckSignature(pub))
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assert.Nil(t, nc.Sign(priv))
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assert.True(t, nc.CheckSignature(pub))
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b, err := nc.Marshal()
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assert.Nil(t, err)
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t.Log("Cert size:", len(b))
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}
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func TestNebulaCertificate_Expired(t *testing.T) {
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nc := NebulaCertificate{
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Details: NebulaCertificateDetails{
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NotBefore: time.Now().Add(time.Second * -60).Round(time.Second),
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NotAfter: time.Now().Add(time.Second * 60).Round(time.Second),
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},
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}
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assert.True(t, nc.Expired(time.Now().Add(time.Hour)))
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assert.True(t, nc.Expired(time.Now().Add(-time.Hour)))
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assert.False(t, nc.Expired(time.Now()))
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}
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func TestNebulaCertificate_MarshalJSON(t *testing.T) {
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time.Local = time.UTC
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pubKey := []byte("1234567890abcedfghij1234567890ab")
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nc := NebulaCertificate{
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Details: NebulaCertificateDetails{
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Name: "testing",
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Ips: []*net.IPNet{
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{IP: net.ParseIP("10.1.1.1"), Mask: net.IPMask(net.ParseIP("255.255.255.0"))},
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{IP: net.ParseIP("10.1.1.2"), Mask: net.IPMask(net.ParseIP("255.255.0.0"))},
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{IP: net.ParseIP("10.1.1.3"), Mask: net.IPMask(net.ParseIP("255.0.255.0"))},
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},
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Subnets: []*net.IPNet{
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{IP: net.ParseIP("9.1.1.1"), Mask: net.IPMask(net.ParseIP("255.0.255.0"))},
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{IP: net.ParseIP("9.1.1.2"), Mask: net.IPMask(net.ParseIP("255.255.255.0"))},
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{IP: net.ParseIP("9.1.1.3"), Mask: net.IPMask(net.ParseIP("255.255.0.0"))},
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},
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Groups: []string{"test-group1", "test-group2", "test-group3"},
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NotBefore: time.Date(1, 0, 0, 1, 0, 0, 0, time.UTC),
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NotAfter: time.Date(1, 0, 0, 2, 0, 0, 0, time.UTC),
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PublicKey: pubKey,
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IsCA: false,
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Issuer: "1234567890abcedfghij1234567890ab",
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},
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Signature: []byte("1234567890abcedfghij1234567890ab"),
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}
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b, err := nc.MarshalJSON()
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assert.Nil(t, err)
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assert.Equal(
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t,
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"{\"details\":{\"groups\":[\"test-group1\",\"test-group2\",\"test-group3\"],\"ips\":[\"10.1.1.1/24\",\"10.1.1.2/16\",\"10.1.1.3/ff00ff00\"],\"isCa\":false,\"issuer\":\"1234567890abcedfghij1234567890ab\",\"name\":\"testing\",\"notAfter\":\"0000-11-30T02:00:00Z\",\"notBefore\":\"0000-11-30T01:00:00Z\",\"publicKey\":\"313233343536373839306162636564666768696a313233343536373839306162\",\"subnets\":[\"9.1.1.1/ff00ff00\",\"9.1.1.2/24\",\"9.1.1.3/16\"]},\"fingerprint\":\"26cb1c30ad7872c804c166b5150fa372f437aa3856b04edb4334b4470ec728e4\",\"signature\":\"313233343536373839306162636564666768696a313233343536373839306162\"}",
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string(b),
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)
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}
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func TestNebulaCertificate_Verify(t *testing.T) {
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ca, _, caKey, err := newTestCaCert()
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assert.Nil(t, err)
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c, _, _, err := newTestCert(ca, caKey)
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assert.Nil(t, err)
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h, err := ca.Sha256Sum()
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assert.Nil(t, err)
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caPool := NewCAPool()
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caPool.CAs[h] = ca
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f, err := c.Sha256Sum()
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assert.Nil(t, err)
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caPool.BlacklistFingerprint(f)
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v, err := c.Verify(time.Now(), caPool)
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assert.False(t, v)
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assert.EqualError(t, err, "certificate has been blacklisted")
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caPool.ResetCertBlacklist()
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v, err = c.Verify(time.Now(), caPool)
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assert.True(t, v)
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assert.Nil(t, err)
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v, err = c.Verify(time.Now().Add(time.Hour*1000), caPool)
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assert.False(t, v)
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assert.EqualError(t, err, "root certificate is expired")
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}
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func TestNebulaVerifyPrivateKey(t *testing.T) {
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ca, _, caKey, err := newTestCaCert()
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assert.Nil(t, err)
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c, _, priv, err := newTestCert(ca, caKey)
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err = c.VerifyPrivateKey(priv)
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assert.Nil(t, err)
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_, priv2 := x25519Keypair()
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err = c.VerifyPrivateKey(priv2)
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assert.NotNil(t, err)
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}
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func TestNewCAPoolFromBytes(t *testing.T) {
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noNewLines := `
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# Current provisional, Remove once everything moves over to the real root.
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-----BEGIN NEBULA CERTIFICATE-----
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CkAKDm5lYnVsYSByb290IGNhKJfap9AFMJfg1+YGOiCUQGByMuNRhIlQBOyzXWbL
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vcKBwDhov900phEfJ5DN3kABEkDCq5R8qBiu8sl54yVfgRcQXEDt3cHr8UTSLszv
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bzBEr00kERQxxTzTsH8cpYEgRoipvmExvg8WP8NdAJEYJosB
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-----END NEBULA CERTIFICATE-----
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# root-ca01
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-----BEGIN NEBULA CERTIFICATE-----
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CkMKEW5lYnVsYSByb290IGNhIDAxKJL2u9EFMJL86+cGOiDPXMH4oU6HZTk/CqTG
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BVG+oJpAoqokUBbI4U0N8CSfpUABEkB/Pm5A2xyH/nc8mg/wvGUWG3pZ7nHzaDMf
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8/phAUt+FLzqTECzQKisYswKvE3pl9mbEYKbOdIHrxdIp95mo4sF
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-----END NEBULA CERTIFICATE-----
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`
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withNewLines := `
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# Current provisional, Remove once everything moves over to the real root.
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-----BEGIN NEBULA CERTIFICATE-----
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CkAKDm5lYnVsYSByb290IGNhKJfap9AFMJfg1+YGOiCUQGByMuNRhIlQBOyzXWbL
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vcKBwDhov900phEfJ5DN3kABEkDCq5R8qBiu8sl54yVfgRcQXEDt3cHr8UTSLszv
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bzBEr00kERQxxTzTsH8cpYEgRoipvmExvg8WP8NdAJEYJosB
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-----END NEBULA CERTIFICATE-----
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# root-ca01
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-----BEGIN NEBULA CERTIFICATE-----
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CkMKEW5lYnVsYSByb290IGNhIDAxKJL2u9EFMJL86+cGOiDPXMH4oU6HZTk/CqTG
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BVG+oJpAoqokUBbI4U0N8CSfpUABEkB/Pm5A2xyH/nc8mg/wvGUWG3pZ7nHzaDMf
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8/phAUt+FLzqTECzQKisYswKvE3pl9mbEYKbOdIHrxdIp95mo4sF
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-----END NEBULA CERTIFICATE-----
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`
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rootCA := NebulaCertificate{
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Details: NebulaCertificateDetails{
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Name: "nebula root ca",
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},
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}
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rootCA01 := NebulaCertificate{
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Details: NebulaCertificateDetails{
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Name: "nebula root ca 01",
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},
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}
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p, err := NewCAPoolFromBytes([]byte(noNewLines))
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assert.Nil(t, err)
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assert.Equal(t, p.CAs[string("c9bfaf7ce8e84b2eeda2e27b469f4b9617bde192efd214b68891ecda6ed49522")].Details.Name, rootCA.Details.Name)
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assert.Equal(t, p.CAs[string("5c9c3f23e7ee7fe97637cbd3a0a5b854154d1d9aaaf7b566a51f4a88f76b64cd")].Details.Name, rootCA01.Details.Name)
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pp, err := NewCAPoolFromBytes([]byte(withNewLines))
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assert.Nil(t, err)
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assert.Equal(t, pp.CAs[string("c9bfaf7ce8e84b2eeda2e27b469f4b9617bde192efd214b68891ecda6ed49522")].Details.Name, rootCA.Details.Name)
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assert.Equal(t, pp.CAs[string("5c9c3f23e7ee7fe97637cbd3a0a5b854154d1d9aaaf7b566a51f4a88f76b64cd")].Details.Name, rootCA01.Details.Name)
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}
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// Ensure that upgrading the protobuf library does not change how certificates
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// are marshalled, since this would break signature verification
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func TestMarshalingNebulaCertificateConsistency(t *testing.T) {
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before := time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC)
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after := time.Date(2017, time.January, 18, 28, 40, 0, 0, time.UTC)
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pubKey := []byte("1234567890abcedfghij1234567890ab")
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nc := NebulaCertificate{
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Details: NebulaCertificateDetails{
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Name: "testing",
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Ips: []*net.IPNet{
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{IP: net.ParseIP("10.1.1.1"), Mask: net.IPMask(net.ParseIP("255.255.255.0"))},
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{IP: net.ParseIP("10.1.1.2"), Mask: net.IPMask(net.ParseIP("255.255.0.0"))},
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{IP: net.ParseIP("10.1.1.3"), Mask: net.IPMask(net.ParseIP("255.0.255.0"))},
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},
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Subnets: []*net.IPNet{
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{IP: net.ParseIP("9.1.1.1"), Mask: net.IPMask(net.ParseIP("255.0.255.0"))},
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{IP: net.ParseIP("9.1.1.2"), Mask: net.IPMask(net.ParseIP("255.255.255.0"))},
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{IP: net.ParseIP("9.1.1.3"), Mask: net.IPMask(net.ParseIP("255.255.0.0"))},
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},
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Groups: []string{"test-group1", "test-group2", "test-group3"},
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NotBefore: before,
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NotAfter: after,
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PublicKey: pubKey,
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IsCA: false,
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Issuer: "1234567890abcedfghij1234567890ab",
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},
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Signature: []byte("1234567890abcedfghij1234567890ab"),
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}
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b, err := nc.Marshal()
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assert.Nil(t, err)
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t.Log("Cert size:", len(b))
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|
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assert.Equal(t, "0aa2010a0774657374696e67121b8182845080feffff0f828284508080fcff0f8382845080fe83f80f1a1b8182844880fe83f80f8282844880feffff0f838284488080fcff0f220b746573742d67726f757031220b746573742d67726f757032220b746573742d67726f75703328f0e0e7d70430a08681c4053a20313233343536373839306162636564666768696a3132333435363738393061624a081234567890abcedf1220313233343536373839306162636564666768696a313233343536373839306162", fmt.Sprintf("%x", b))
|
||
|
|
|
||
|
|
b, err = proto.Marshal(nc.getRawDetails())
|
||
|
|
assert.Nil(t, err)
|
||
|
|
t.Log("Raw cert size:", len(b))
|
||
|
|
assert.Equal(t, "0a0774657374696e67121b8182845080feffff0f828284508080fcff0f8382845080fe83f80f1a1b8182844880fe83f80f8282844880feffff0f838284488080fcff0f220b746573742d67726f757031220b746573742d67726f757032220b746573742d67726f75703328f0e0e7d70430a08681c4053a20313233343536373839306162636564666768696a3132333435363738393061624a081234567890abcedf", fmt.Sprintf("%x", b))
|
||
|
|
}
|
||
|
|
|
||
|
|
func newTestCaCert() (*NebulaCertificate, []byte, []byte, error) {
|
||
|
|
pub, priv, err := ed25519.GenerateKey(rand.Reader)
|
||
|
|
before := time.Now().Add(time.Second * -60).Round(time.Second)
|
||
|
|
after := time.Now().Add(time.Second * 60).Round(time.Second)
|
||
|
|
|
||
|
|
nc := &NebulaCertificate{
|
||
|
|
Details: NebulaCertificateDetails{
|
||
|
|
Name: "test ca",
|
||
|
|
NotBefore: before,
|
||
|
|
NotAfter: after,
|
||
|
|
PublicKey: pub,
|
||
|
|
IsCA: true,
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
err = nc.Sign(priv)
|
||
|
|
if err != nil {
|
||
|
|
return nil, nil, nil, err
|
||
|
|
}
|
||
|
|
return nc, pub, priv, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func newTestCert(ca *NebulaCertificate, key []byte) (*NebulaCertificate, []byte, []byte, error) {
|
||
|
|
issuer, err := ca.Sha256Sum()
|
||
|
|
if err != nil {
|
||
|
|
return nil, nil, nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
before := time.Now().Add(time.Second * -60).Round(time.Second)
|
||
|
|
after := time.Now().Add(time.Second * 60).Round(time.Second)
|
||
|
|
pub, rawPriv := x25519Keypair()
|
||
|
|
|
||
|
|
nc := &NebulaCertificate{
|
||
|
|
Details: NebulaCertificateDetails{
|
||
|
|
Name: "testing",
|
||
|
|
Ips: []*net.IPNet{
|
||
|
|
{IP: net.ParseIP("10.1.1.1"), Mask: net.IPMask(net.ParseIP("255.255.255.0"))},
|
||
|
|
{IP: net.ParseIP("10.1.1.2"), Mask: net.IPMask(net.ParseIP("255.255.0.0"))},
|
||
|
|
{IP: net.ParseIP("10.1.1.3"), Mask: net.IPMask(net.ParseIP("255.0.255.0"))},
|
||
|
|
},
|
||
|
|
Subnets: []*net.IPNet{
|
||
|
|
{IP: net.ParseIP("9.1.1.1"), Mask: net.IPMask(net.ParseIP("255.0.255.0"))},
|
||
|
|
{IP: net.ParseIP("9.1.1.2"), Mask: net.IPMask(net.ParseIP("255.255.255.0"))},
|
||
|
|
{IP: net.ParseIP("9.1.1.3"), Mask: net.IPMask(net.ParseIP("255.255.0.0"))},
|
||
|
|
},
|
||
|
|
Groups: []string{"test-group1", "test-group2", "test-group3"},
|
||
|
|
NotBefore: before,
|
||
|
|
NotAfter: after,
|
||
|
|
PublicKey: pub,
|
||
|
|
IsCA: false,
|
||
|
|
Issuer: issuer,
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
err = nc.Sign(key)
|
||
|
|
if err != nil {
|
||
|
|
return nil, nil, nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
return nc, pub, rawPriv, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func x25519Keypair() ([]byte, []byte) {
|
||
|
|
var pubkey, privkey [32]byte
|
||
|
|
if _, err := io.ReadFull(rand.Reader, privkey[:]); err != nil {
|
||
|
|
panic(err)
|
||
|
|
}
|
||
|
|
curve25519.ScalarBaseMult(&pubkey, &privkey)
|
||
|
|
return pubkey[:], privkey[:]
|
||
|
|
}
|