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slackhq_nebula/cert/cert_v2_test.go
2024-11-05 11:00:10 -05:00

267 lines
9.2 KiB
Go

package cert
import (
"crypto/ed25519"
"crypto/rand"
"encoding/hex"
"net/netip"
"slices"
"testing"
"time"
"github.com/slackhq/nebula/test"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestCertificateV2_Marshal(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 := certificateV2{
details: detailsV2{
name: "testing",
networks: []netip.Prefix{
mustParsePrefixUnmapped("10.1.1.2/16"),
mustParsePrefixUnmapped("10.1.1.1/24"),
},
unsafeNetworks: []netip.Prefix{
mustParsePrefixUnmapped("9.1.1.3/16"),
mustParsePrefixUnmapped("9.1.1.2/24"),
},
groups: []string{"test-group1", "test-group2", "test-group3"},
notBefore: before,
notAfter: after,
isCA: false,
issuer: "1234567890abcdef1234567890abcdef",
},
signature: []byte("1234567890abcdef1234567890abcdef"),
publicKey: pubKey,
}
db, err := nc.details.Marshal()
require.NoError(t, err)
nc.rawDetails = db
b, err := nc.Marshal()
require.Nil(t, err)
//t.Log("Cert size:", len(b))
nc2, err := unmarshalCertificateV2(b, nil, Curve_CURVE25519)
assert.Nil(t, err)
assert.Equal(t, nc.Version(), Version2)
assert.Equal(t, nc.Curve(), Curve_CURVE25519)
assert.Equal(t, nc.Signature(), nc2.Signature())
assert.Equal(t, nc.Name(), nc2.Name())
assert.Equal(t, nc.NotBefore(), nc2.NotBefore())
assert.Equal(t, nc.NotAfter(), nc2.NotAfter())
assert.Equal(t, nc.PublicKey(), nc2.PublicKey())
assert.Equal(t, nc.IsCA(), nc2.IsCA())
assert.Equal(t, nc.Issuer(), nc2.Issuer())
// unmarshalling will sort networks and unsafeNetworks, we need to do the same
// but first make sure it fails
assert.NotEqual(t, nc.Networks(), nc2.Networks())
assert.NotEqual(t, nc.UnsafeNetworks(), nc2.UnsafeNetworks())
slices.SortFunc(nc.details.networks, comparePrefix)
slices.SortFunc(nc.details.unsafeNetworks, comparePrefix)
assert.Equal(t, nc.Networks(), nc2.Networks())
assert.Equal(t, nc.UnsafeNetworks(), nc2.UnsafeNetworks())
assert.Equal(t, nc.Groups(), nc2.Groups())
}
func TestCertificateV2_Expired(t *testing.T) {
nc := certificateV2{
details: detailsV2{
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 TestCertificateV2_MarshalJSON(t *testing.T) {
time.Local = time.UTC
pubKey := []byte("1234567890abcedf1234567890abcedf")
nc := certificateV2{
details: detailsV2{
name: "testing",
networks: []netip.Prefix{
mustParsePrefixUnmapped("10.1.1.1/24"),
mustParsePrefixUnmapped("10.1.1.2/16"),
},
unsafeNetworks: []netip.Prefix{
mustParsePrefixUnmapped("9.1.1.2/24"),
mustParsePrefixUnmapped("9.1.1.3/16"),
},
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),
isCA: false,
issuer: "1234567890abcedf1234567890abcedf",
},
publicKey: pubKey,
signature: []byte("1234567890abcedf1234567890abcedf1234567890abcedf1234567890abcedf"),
}
b, err := nc.MarshalJSON()
assert.ErrorIs(t, err, ErrMissingDetails)
rd, err := nc.details.Marshal()
assert.NoError(t, err)
nc.rawDetails = rd
b, err = nc.MarshalJSON()
assert.Nil(t, err)
assert.Equal(
t,
"{\"curve\":\"CURVE25519\",\"details\":{\"groups\":[\"test-group1\",\"test-group2\",\"test-group3\"],\"isCa\":false,\"issuer\":\"1234567890abcedf1234567890abcedf\",\"name\":\"testing\",\"networks\":[\"10.1.1.1/24\",\"10.1.1.2/16\"],\"notAfter\":\"0000-11-30T02:00:00Z\",\"notBefore\":\"0000-11-30T01:00:00Z\",\"unsafeNetworks\":[\"9.1.1.2/24\",\"9.1.1.3/16\"]},\"fingerprint\":\"152d9a7400c1e001cb76cffd035215ebb351f69eeb797f7f847dd086e15e56dd\",\"publicKey\":\"3132333435363738393061626365646631323334353637383930616263656466\",\"signature\":\"31323334353637383930616263656466313233343536373839306162636564663132333435363738393061626365646631323334353637383930616263656466\",\"version\":2}",
string(b),
)
}
func TestCertificateV2_VerifyPrivateKey(t *testing.T) {
ca, _, caKey, _ := NewTestCaCert(Version2, Curve_CURVE25519, time.Time{}, time.Time{}, nil, nil, nil)
err := ca.VerifyPrivateKey(Curve_CURVE25519, caKey)
assert.Nil(t, err)
err = ca.VerifyPrivateKey(Curve_CURVE25519, caKey[:16])
assert.ErrorIs(t, err, ErrInvalidPrivateKey)
_, caKey2, err := ed25519.GenerateKey(rand.Reader)
require.Nil(t, err)
err = ca.VerifyPrivateKey(Curve_CURVE25519, caKey2)
assert.ErrorIs(t, err, ErrPublicPrivateKeyMismatch)
c, _, priv, _ := NewTestCert(Version2, Curve_CURVE25519, ca, caKey, "test", time.Time{}, time.Time{}, nil, nil, nil)
rawPriv, b, curve, err := UnmarshalPrivateKeyFromPEM(priv)
assert.NoError(t, err)
assert.Empty(t, b)
assert.Equal(t, Curve_CURVE25519, curve)
err = c.VerifyPrivateKey(Curve_CURVE25519, rawPriv)
assert.Nil(t, err)
_, priv2 := X25519Keypair()
err = c.VerifyPrivateKey(Curve_P256, priv2)
assert.ErrorIs(t, err, ErrPublicPrivateCurveMismatch)
err = c.VerifyPrivateKey(Curve_CURVE25519, priv2)
assert.ErrorIs(t, err, ErrPublicPrivateKeyMismatch)
err = c.VerifyPrivateKey(Curve_CURVE25519, priv2[:16])
assert.ErrorIs(t, err, ErrInvalidPrivateKey)
ac, ok := c.(*certificateV2)
require.True(t, ok)
ac.curve = Curve(99)
err = c.VerifyPrivateKey(Curve(99), priv2)
assert.EqualError(t, err, "invalid curve: 99")
ca2, _, caKey2, _ := NewTestCaCert(Version2, Curve_P256, time.Time{}, time.Time{}, nil, nil, nil)
err = ca.VerifyPrivateKey(Curve_CURVE25519, caKey)
assert.Nil(t, err)
err = ca2.VerifyPrivateKey(Curve_P256, caKey2[:16])
assert.ErrorIs(t, err, ErrInvalidPrivateKey)
c, _, priv, _ = NewTestCert(Version2, Curve_P256, ca2, caKey2, "test", time.Time{}, time.Time{}, nil, nil, nil)
rawPriv, b, curve, err = UnmarshalPrivateKeyFromPEM(priv)
err = c.VerifyPrivateKey(Curve_P256, priv[:16])
assert.ErrorIs(t, err, ErrInvalidPrivateKey)
err = c.VerifyPrivateKey(Curve_P256, priv)
assert.ErrorIs(t, err, ErrInvalidPrivateKey)
aCa, ok := ca2.(*certificateV2)
require.True(t, ok)
aCa.curve = Curve(99)
err = aCa.VerifyPrivateKey(Curve(99), priv2)
assert.EqualError(t, err, "invalid curve: 99")
}
func TestCertificateV2_VerifyPrivateKeyP256(t *testing.T) {
ca, _, caKey, _ := NewTestCaCert(Version2, Curve_P256, time.Time{}, time.Time{}, nil, nil, nil)
err := ca.VerifyPrivateKey(Curve_P256, caKey)
assert.Nil(t, err)
_, _, caKey2, _ := NewTestCaCert(Version2, Curve_P256, time.Time{}, time.Time{}, nil, nil, nil)
assert.Nil(t, err)
err = ca.VerifyPrivateKey(Curve_P256, caKey2)
assert.NotNil(t, err)
c, _, priv, _ := NewTestCert(Version2, Curve_P256, ca, caKey, "test", time.Time{}, time.Time{}, nil, nil, nil)
rawPriv, b, curve, err := UnmarshalPrivateKeyFromPEM(priv)
assert.NoError(t, err)
assert.Empty(t, b)
assert.Equal(t, Curve_P256, curve)
err = c.VerifyPrivateKey(Curve_P256, rawPriv)
assert.Nil(t, err)
_, priv2 := P256Keypair()
err = c.VerifyPrivateKey(Curve_P256, priv2)
assert.NotNil(t, err)
}
func TestCertificateV2_Copy(t *testing.T) {
ca, _, caKey, _ := NewTestCaCert(Version2, Curve_CURVE25519, time.Now(), time.Now().Add(10*time.Minute), nil, nil, nil)
c, _, _, _ := NewTestCert(Version2, Curve_CURVE25519, ca, caKey, "test", time.Now(), time.Now().Add(5*time.Minute), nil, nil, nil)
cc := c.Copy()
test.AssertDeepCopyEqual(t, c, cc)
}
func TestUnmarshalCertificateV2(t *testing.T) {
data := []byte("\x98\x00\x00")
_, err := unmarshalCertificateV2(data, nil, Curve_CURVE25519)
assert.EqualError(t, err, "bad wire format")
}
func TestCertificateV2_marshalForSigningStability(t *testing.T) {
before := time.Date(1996, time.May, 5, 0, 0, 0, 0, time.UTC)
after := before.Add(time.Second * 60).Round(time.Second)
pubKey := []byte("1234567890abcedfghij1234567890ab")
nc := certificateV2{
details: detailsV2{
name: "testing",
networks: []netip.Prefix{
mustParsePrefixUnmapped("10.1.1.2/16"),
mustParsePrefixUnmapped("10.1.1.1/24"),
},
unsafeNetworks: []netip.Prefix{
mustParsePrefixUnmapped("9.1.1.3/16"),
mustParsePrefixUnmapped("9.1.1.2/24"),
},
groups: []string{"test-group1", "test-group2", "test-group3"},
notBefore: before,
notAfter: after,
isCA: false,
issuer: "1234567890abcdef1234567890abcdef",
},
signature: []byte("1234567890abcdef1234567890abcdef"),
publicKey: pubKey,
}
const expectedRawDetailsStr = "a070800774657374696e67a10e04050a0101021004050a01010118a20e0405090101031004050901010218a3270c0b746573742d67726f7570310c0b746573742d67726f7570320c0b746573742d67726f7570338504318bef808604318befbc87101234567890abcdef1234567890abcdef"
expectedRawDetails, err := hex.DecodeString(expectedRawDetailsStr)
require.NoError(t, err)
db, err := nc.details.Marshal()
require.NoError(t, err)
assert.Equal(t, expectedRawDetails, db)
expectedForSigning, err := hex.DecodeString(expectedRawDetailsStr + "00313233343536373839306162636564666768696a313233343536373839306162")
b, err := nc.marshalForSigning()
require.NoError(t, err)
assert.Equal(t, expectedForSigning, b)
}