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nebula/cert/cert_test.go

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Public Release
2019-11-19 18:00:20 +01:00
package cert
import (
"crypto/rand"
"fmt"
"io"
"net"
"testing"
"time"
"github.com/golang/protobuf/proto"
"github.com/stretchr/testify/assert"
"golang.org/x/crypto/curve25519"
"golang.org/x/crypto/ed25519"
)
func TestMarshalingNebulaCertificate(t *testing.T) {
before := time.Now().Add(time.Second * -60).Round(time.Second)
after := time.Now().Add(time.Second * 60).Round(time.Second)
pubKey := []byte("1234567890abcedfghij1234567890ab")
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: pubKey,
IsCA: false,
Issuer: "1234567890abcedfghij1234567890ab",
},
Signature: []byte("1234567890abcedfghij1234567890ab"),
}
b, err := nc.Marshal()
assert.Nil(t, err)
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//t.Log("Cert size:", len(b))
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nc2, err := UnmarshalNebulaCertificate(b)
assert.Nil(t, err)
assert.Equal(t, nc.Signature, nc2.Signature)
assert.Equal(t, nc.Details.Name, nc2.Details.Name)
assert.Equal(t, nc.Details.NotBefore, nc2.Details.NotBefore)
assert.Equal(t, nc.Details.NotAfter, nc2.Details.NotAfter)
assert.Equal(t, nc.Details.PublicKey, nc2.Details.PublicKey)
assert.Equal(t, nc.Details.IsCA, nc2.Details.IsCA)
// IP byte arrays can be 4 or 16 in length so we have to go this route
assert.Equal(t, len(nc.Details.Ips), len(nc2.Details.Ips))
for i, wIp := range nc.Details.Ips {
assert.Equal(t, wIp.String(), nc2.Details.Ips[i].String())
}
assert.Equal(t, len(nc.Details.Subnets), len(nc2.Details.Subnets))
for i, wIp := range nc.Details.Subnets {
assert.Equal(t, wIp.String(), nc2.Details.Subnets[i].String())
}
assert.EqualValues(t, nc.Details.Groups, nc2.Details.Groups)
}
func TestNebulaCertificate_Sign(t *testing.T) {
before := time.Now().Add(time.Second * -60).Round(time.Second)
after := time.Now().Add(time.Second * 60).Round(time.Second)
pubKey := []byte("1234567890abcedfghij1234567890ab")
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: pubKey,
IsCA: false,
Issuer: "1234567890abcedfghij1234567890ab",
},
}
pub, priv, err := ed25519.GenerateKey(rand.Reader)
assert.Nil(t, err)
assert.False(t, nc.CheckSignature(pub))
assert.Nil(t, nc.Sign(priv))
assert.True(t, nc.CheckSignature(pub))
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_, err = nc.Marshal()
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assert.Nil(t, err)
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//t.Log("Cert size:", len(b))
Public Release
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}
func TestNebulaCertificate_Expired(t *testing.T) {
nc := NebulaCertificate{
Details: NebulaCertificateDetails{
NotBefore: time.Now().Add(time.Second * -60).Round(time.Second),
NotAfter: time.Now().Add(time.Second * 60).Round(time.Second),
},
}
assert.True(t, nc.Expired(time.Now().Add(time.Hour)))
assert.True(t, nc.Expired(time.Now().Add(-time.Hour)))
assert.False(t, nc.Expired(time.Now()))
}
func TestNebulaCertificate_MarshalJSON(t *testing.T) {
time.Local = time.UTC
pubKey := []byte("1234567890abcedfghij1234567890ab")
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: time.Date(1, 0, 0, 1, 0, 0, 0, time.UTC),
NotAfter: time.Date(1, 0, 0, 2, 0, 0, 0, time.UTC),
PublicKey: pubKey,
IsCA: false,
Issuer: "1234567890abcedfghij1234567890ab",
},
Signature: []byte("1234567890abcedfghij1234567890ab"),
}
b, err := nc.MarshalJSON()
assert.Nil(t, err)
assert.Equal(
t,
"{\"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\"}",
string(b),
)
}
func TestNebulaCertificate_Verify(t *testing.T) {
Support root IP assertions in cert.Verify
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ca, _, caKey, err := newTestCaCert(time.Now(), time.Now().Add(10*time.Minute), []*net.IPNet{}, []*net.IPNet{}, []string{})
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assert.Nil(t, err)
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c, _, _, err := newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{}, []*net.IPNet{}, []string{})
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assert.Nil(t, err)
h, err := ca.Sha256Sum()
assert.Nil(t, err)
caPool := NewCAPool()
caPool.CAs[h] = ca
f, err := c.Sha256Sum()
assert.Nil(t, err)
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caPool.BlocklistFingerprint(f)
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v, err := c.Verify(time.Now(), caPool)
assert.False(t, v)
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assert.EqualError(t, err, "certificate has been blocked")
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caPool.ResetCertBlocklist()
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v, err = c.Verify(time.Now(), caPool)
assert.True(t, v)
assert.Nil(t, err)
v, err = c.Verify(time.Now().Add(time.Hour*1000), caPool)
assert.False(t, v)
assert.EqualError(t, err, "root certificate is expired")
Support root IP assertions in cert.Verify
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c, _, _, err = newTestCert(ca, caKey, time.Time{}, time.Time{}, []*net.IPNet{}, []*net.IPNet{}, []string{})
assert.Nil(t, err)
v, err = c.Verify(time.Now().Add(time.Minute*6), caPool)
assert.False(t, v)
assert.EqualError(t, err, "certificate is expired")
// Test group assertion
ca, _, caKey, err = newTestCaCert(time.Now(), time.Now().Add(10*time.Minute), []*net.IPNet{}, []*net.IPNet{}, []string{"test1", "test2"})
assert.Nil(t, err)
caPem, err := ca.MarshalToPEM()
assert.Nil(t, err)
caPool = NewCAPool()
caPool.AddCACertificate(caPem)
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{}, []*net.IPNet{}, []string{"test1", "bad"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.False(t, v)
assert.EqualError(t, err, "certificate contained a group not present on the signing ca: bad")
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{}, []*net.IPNet{}, []string{"test1"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.True(t, v)
assert.Nil(t, err)
}
func TestNebulaCertificate_Verify_IPs(t *testing.T) {
_, caIp1, _ := net.ParseCIDR("10.0.0.0/16")
_, caIp2, _ := net.ParseCIDR("192.168.0.0/24")
ca, _, caKey, err := newTestCaCert(time.Now(), time.Now().Add(10*time.Minute), []*net.IPNet{caIp1, caIp2}, []*net.IPNet{}, []string{"test"})
assert.Nil(t, err)
caPem, err := ca.MarshalToPEM()
assert.Nil(t, err)
caPool := NewCAPool()
caPool.AddCACertificate(caPem)
// ip is outside the network
cIp1 := &net.IPNet{IP: net.ParseIP("10.1.0.0"), Mask: []byte{255, 255, 255, 0}}
cIp2 := &net.IPNet{IP: net.ParseIP("192.168.0.1"), Mask: []byte{255, 255, 0, 0}}
c, _, _, err := newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{cIp1, cIp2}, []*net.IPNet{}, []string{"test"})
assert.Nil(t, err)
v, err := c.Verify(time.Now(), caPool)
assert.False(t, v)
assert.EqualError(t, err, "certificate contained an ip assignment outside the limitations of the signing ca: 10.1.0.0/24")
// ip is outside the network reversed order of above
cIp1 = &net.IPNet{IP: net.ParseIP("192.168.0.1"), Mask: []byte{255, 255, 255, 0}}
cIp2 = &net.IPNet{IP: net.ParseIP("10.1.0.0"), Mask: []byte{255, 255, 255, 0}}
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{cIp1, cIp2}, []*net.IPNet{}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.False(t, v)
assert.EqualError(t, err, "certificate contained an ip assignment outside the limitations of the signing ca: 10.1.0.0/24")
// ip is within the network but mask is outside
cIp1 = &net.IPNet{IP: net.ParseIP("10.0.1.0"), Mask: []byte{255, 254, 0, 0}}
cIp2 = &net.IPNet{IP: net.ParseIP("192.168.0.1"), Mask: []byte{255, 255, 255, 0}}
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{cIp1, cIp2}, []*net.IPNet{}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.False(t, v)
assert.EqualError(t, err, "certificate contained an ip assignment outside the limitations of the signing ca: 10.0.1.0/15")
// ip is within the network but mask is outside reversed order of above
cIp1 = &net.IPNet{IP: net.ParseIP("192.168.0.1"), Mask: []byte{255, 255, 255, 0}}
cIp2 = &net.IPNet{IP: net.ParseIP("10.0.1.0"), Mask: []byte{255, 254, 0, 0}}
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{cIp1, cIp2}, []*net.IPNet{}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.False(t, v)
assert.EqualError(t, err, "certificate contained an ip assignment outside the limitations of the signing ca: 10.0.1.0/15")
// ip and mask are within the network
cIp1 = &net.IPNet{IP: net.ParseIP("10.0.1.0"), Mask: []byte{255, 255, 0, 0}}
cIp2 = &net.IPNet{IP: net.ParseIP("192.168.0.1"), Mask: []byte{255, 255, 255, 128}}
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{cIp1, cIp2}, []*net.IPNet{}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.True(t, v)
assert.Nil(t, err)
// Exact matches
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{caIp1, caIp2}, []*net.IPNet{}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.True(t, v)
assert.Nil(t, err)
// Exact matches reversed
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{caIp2, caIp1}, []*net.IPNet{}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.True(t, v)
assert.Nil(t, err)
// Exact matches reversed with just 1
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{caIp1}, []*net.IPNet{}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.True(t, v)
assert.Nil(t, err)
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}
Support root subnet asserts
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func TestNebulaCertificate_Verify_Subnets(t *testing.T) {
_, caIp1, _ := net.ParseCIDR("10.0.0.0/16")
_, caIp2, _ := net.ParseCIDR("192.168.0.0/24")
ca, _, caKey, err := newTestCaCert(time.Now(), time.Now().Add(10*time.Minute), []*net.IPNet{}, []*net.IPNet{caIp1, caIp2}, []string{"test"})
assert.Nil(t, err)
caPem, err := ca.MarshalToPEM()
assert.Nil(t, err)
caPool := NewCAPool()
caPool.AddCACertificate(caPem)
// ip is outside the network
cIp1 := &net.IPNet{IP: net.ParseIP("10.1.0.0"), Mask: []byte{255, 255, 255, 0}}
cIp2 := &net.IPNet{IP: net.ParseIP("192.168.0.1"), Mask: []byte{255, 255, 0, 0}}
c, _, _, err := newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{}, []*net.IPNet{cIp1, cIp2}, []string{"test"})
assert.Nil(t, err)
v, err := c.Verify(time.Now(), caPool)
assert.False(t, v)
assert.EqualError(t, err, "certificate contained a subnet assignment outside the limitations of the signing ca: 10.1.0.0/24")
// ip is outside the network reversed order of above
cIp1 = &net.IPNet{IP: net.ParseIP("192.168.0.1"), Mask: []byte{255, 255, 255, 0}}
cIp2 = &net.IPNet{IP: net.ParseIP("10.1.0.0"), Mask: []byte{255, 255, 255, 0}}
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{}, []*net.IPNet{cIp1, cIp2}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.False(t, v)
assert.EqualError(t, err, "certificate contained a subnet assignment outside the limitations of the signing ca: 10.1.0.0/24")
// ip is within the network but mask is outside
cIp1 = &net.IPNet{IP: net.ParseIP("10.0.1.0"), Mask: []byte{255, 254, 0, 0}}
cIp2 = &net.IPNet{IP: net.ParseIP("192.168.0.1"), Mask: []byte{255, 255, 255, 0}}
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{}, []*net.IPNet{cIp1, cIp2}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.False(t, v)
assert.EqualError(t, err, "certificate contained a subnet assignment outside the limitations of the signing ca: 10.0.1.0/15")
// ip is within the network but mask is outside reversed order of above
cIp1 = &net.IPNet{IP: net.ParseIP("192.168.0.1"), Mask: []byte{255, 255, 255, 0}}
cIp2 = &net.IPNet{IP: net.ParseIP("10.0.1.0"), Mask: []byte{255, 254, 0, 0}}
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{}, []*net.IPNet{cIp1, cIp2}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.False(t, v)
assert.EqualError(t, err, "certificate contained a subnet assignment outside the limitations of the signing ca: 10.0.1.0/15")
// ip and mask are within the network
cIp1 = &net.IPNet{IP: net.ParseIP("10.0.1.0"), Mask: []byte{255, 255, 0, 0}}
cIp2 = &net.IPNet{IP: net.ParseIP("192.168.0.1"), Mask: []byte{255, 255, 255, 128}}
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{}, []*net.IPNet{cIp1, cIp2}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.True(t, v)
assert.Nil(t, err)
// Exact matches
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{}, []*net.IPNet{caIp1, caIp2}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.True(t, v)
assert.Nil(t, err)
// Exact matches reversed
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{}, []*net.IPNet{caIp2, caIp1}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.True(t, v)
assert.Nil(t, err)
// Exact matches reversed with just 1
c, _, _, err = newTestCert(ca, caKey, time.Now(), time.Now().Add(5*time.Minute), []*net.IPNet{}, []*net.IPNet{caIp1}, []string{"test"})
assert.Nil(t, err)
v, err = c.Verify(time.Now(), caPool)
assert.True(t, v)
assert.Nil(t, err)
}
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func TestNebulaVerifyPrivateKey(t *testing.T) {
Support root IP assertions in cert.Verify
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ca, _, caKey, err := newTestCaCert(time.Time{}, time.Time{}, []*net.IPNet{}, []*net.IPNet{}, []string{})
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assert.Nil(t, err)
Support root IP assertions in cert.Verify
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c, _, priv, err := newTestCert(ca, caKey, time.Time{}, time.Time{}, []*net.IPNet{}, []*net.IPNet{}, []string{})
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err = c.VerifyPrivateKey(priv)
assert.Nil(t, err)
_, priv2 := x25519Keypair()
err = c.VerifyPrivateKey(priv2)
assert.NotNil(t, err)
}
func TestNewCAPoolFromBytes(t *testing.T) {
noNewLines := `
# Current provisional, Remove once everything moves over to the real root.
-----BEGIN NEBULA CERTIFICATE-----
CkAKDm5lYnVsYSByb290IGNhKJfap9AFMJfg1+YGOiCUQGByMuNRhIlQBOyzXWbL
vcKBwDhov900phEfJ5DN3kABEkDCq5R8qBiu8sl54yVfgRcQXEDt3cHr8UTSLszv
bzBEr00kERQxxTzTsH8cpYEgRoipvmExvg8WP8NdAJEYJosB
-----END NEBULA CERTIFICATE-----
# root-ca01
-----BEGIN NEBULA CERTIFICATE-----
CkMKEW5lYnVsYSByb290IGNhIDAxKJL2u9EFMJL86+cGOiDPXMH4oU6HZTk/CqTG
BVG+oJpAoqokUBbI4U0N8CSfpUABEkB/Pm5A2xyH/nc8mg/wvGUWG3pZ7nHzaDMf
8/phAUt+FLzqTECzQKisYswKvE3pl9mbEYKbOdIHrxdIp95mo4sF
-----END NEBULA CERTIFICATE-----
`
withNewLines := `
# Current provisional, Remove once everything moves over to the real root.
-----BEGIN NEBULA CERTIFICATE-----
CkAKDm5lYnVsYSByb290IGNhKJfap9AFMJfg1+YGOiCUQGByMuNRhIlQBOyzXWbL
vcKBwDhov900phEfJ5DN3kABEkDCq5R8qBiu8sl54yVfgRcQXEDt3cHr8UTSLszv
bzBEr00kERQxxTzTsH8cpYEgRoipvmExvg8WP8NdAJEYJosB
-----END NEBULA CERTIFICATE-----
# root-ca01
-----BEGIN NEBULA CERTIFICATE-----
CkMKEW5lYnVsYSByb290IGNhIDAxKJL2u9EFMJL86+cGOiDPXMH4oU6HZTk/CqTG
BVG+oJpAoqokUBbI4U0N8CSfpUABEkB/Pm5A2xyH/nc8mg/wvGUWG3pZ7nHzaDMf
8/phAUt+FLzqTECzQKisYswKvE3pl9mbEYKbOdIHrxdIp95mo4sF
-----END NEBULA CERTIFICATE-----
`
rootCA := NebulaCertificate{
Details: NebulaCertificateDetails{
Name: "nebula root ca",
},
}
rootCA01 := NebulaCertificate{
Details: NebulaCertificateDetails{
Name: "nebula root ca 01",
},
}
p, err := NewCAPoolFromBytes([]byte(noNewLines))
assert.Nil(t, err)
assert.Equal(t, p.CAs[string("c9bfaf7ce8e84b2eeda2e27b469f4b9617bde192efd214b68891ecda6ed49522")].Details.Name, rootCA.Details.Name)
assert.Equal(t, p.CAs[string("5c9c3f23e7ee7fe97637cbd3a0a5b854154d1d9aaaf7b566a51f4a88f76b64cd")].Details.Name, rootCA01.Details.Name)
pp, err := NewCAPoolFromBytes([]byte(withNewLines))
assert.Nil(t, err)
assert.Equal(t, pp.CAs[string("c9bfaf7ce8e84b2eeda2e27b469f4b9617bde192efd214b68891ecda6ed49522")].Details.Name, rootCA.Details.Name)
assert.Equal(t, pp.CAs[string("5c9c3f23e7ee7fe97637cbd3a0a5b854154d1d9aaaf7b566a51f4a88f76b64cd")].Details.Name, rootCA01.Details.Name)
}
// Ensure that upgrading the protobuf library does not change how certificates
// are marshalled, since this would break signature verification
func TestMarshalingNebulaCertificateConsistency(t *testing.T) {
before := time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC)
after := time.Date(2017, time.January, 18, 28, 40, 0, 0, time.UTC)
pubKey := []byte("1234567890abcedfghij1234567890ab")
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: pubKey,
IsCA: false,
Issuer: "1234567890abcedfghij1234567890ab",
},
Signature: []byte("1234567890abcedfghij1234567890ab"),
}
b, err := nc.Marshal()
assert.Nil(t, err)
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//t.Log("Cert size:", len(b))
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assert.Equal(t, "0aa2010a0774657374696e67121b8182845080feffff0f828284508080fcff0f8382845080fe83f80f1a1b8182844880fe83f80f8282844880feffff0f838284488080fcff0f220b746573742d67726f757031220b746573742d67726f757032220b746573742d67726f75703328f0e0e7d70430a08681c4053a20313233343536373839306162636564666768696a3132333435363738393061624a081234567890abcedf1220313233343536373839306162636564666768696a313233343536373839306162", fmt.Sprintf("%x", b))
b, err = proto.Marshal(nc.getRawDetails())
assert.Nil(t, err)
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//t.Log("Raw cert size:", len(b))
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assert.Equal(t, "0a0774657374696e67121b8182845080feffff0f828284508080fcff0f8382845080fe83f80f1a1b8182844880fe83f80f8282844880feffff0f838284488080fcff0f220b746573742d67726f757031220b746573742d67726f757032220b746573742d67726f75703328f0e0e7d70430a08681c4053a20313233343536373839306162636564666768696a3132333435363738393061624a081234567890abcedf", fmt.Sprintf("%x", b))
}
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func newTestCaCert(before, after time.Time, ips, subnets []*net.IPNet, groups []string) (*NebulaCertificate, []byte, []byte, error) {
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pub, priv, err := ed25519.GenerateKey(rand.Reader)
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if before.IsZero() {
before = time.Now().Add(time.Second * -60).Round(time.Second)
}
if after.IsZero() {
after = time.Now().Add(time.Second * 60).Round(time.Second)
}
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nc := &NebulaCertificate{
Details: NebulaCertificateDetails{
Name: "test ca",
NotBefore: before,
NotAfter: after,
PublicKey: pub,
IsCA: true,
},
}
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if len(ips) > 0 {
nc.Details.Ips = ips
}
if len(subnets) > 0 {
nc.Details.Subnets = subnets
}
if len(groups) > 0 {
nc.Details.Groups = groups
}
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err = nc.Sign(priv)
if err != nil {
return nil, nil, nil, err
}
return nc, pub, priv, nil
}
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func newTestCert(ca *NebulaCertificate, key []byte, before, after time.Time, ips, subnets []*net.IPNet, groups []string) (*NebulaCertificate, []byte, []byte, error) {
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issuer, err := ca.Sha256Sum()
if err != nil {
return nil, nil, nil, err
}
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if before.IsZero() {
before = time.Now().Add(time.Second * -60).Round(time.Second)
}
if after.IsZero() {
after = time.Now().Add(time.Second * 60).Round(time.Second)
}
if len(groups) == 0 {
groups = []string{"test-group1", "test-group2", "test-group3"}
}
if len(ips) == 0 {
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"))},
}
}
if len(subnets) == 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"))},
}
}
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pub, rawPriv := x25519Keypair()
nc := &NebulaCertificate{
Details: NebulaCertificateDetails{
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Name: "testing",
Ips: ips,
Subnets: subnets,
Groups: groups,
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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[:]
}