mirror of
https://github.com/smallstep/certificates.git
synced 2024-11-17 15:29:21 +00:00
531 lines
16 KiB
Go
531 lines
16 KiB
Go
package authority
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import (
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"crypto/rand"
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"crypto/sha1"
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"crypto/x509"
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"crypto/x509/pkix"
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"encoding/asn1"
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"fmt"
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"net/http"
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"reflect"
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"testing"
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"time"
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"github.com/pkg/errors"
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"github.com/smallstep/assert"
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"github.com/smallstep/certificates/authority/provisioner"
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"github.com/smallstep/cli/crypto/keys"
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"github.com/smallstep/cli/crypto/tlsutil"
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"github.com/smallstep/cli/crypto/x509util"
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"github.com/smallstep/cli/jose"
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)
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var (
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stepOIDRoot = asn1.ObjectIdentifier{1, 3, 6, 1, 4, 1, 37476, 9000, 64}
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stepOIDProvisioner = append(asn1.ObjectIdentifier(nil), append(stepOIDRoot, 1)...)
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)
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const provisionerTypeJWK = 1
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type stepProvisionerASN1 struct {
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Type int
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Name []byte
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CredentialID []byte
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}
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func withProvisionerOID(name, kid string) x509util.WithOption {
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return func(p x509util.Profile) error {
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crt := p.Subject()
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b, err := asn1.Marshal(stepProvisionerASN1{
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Type: provisionerTypeJWK,
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Name: []byte(name),
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CredentialID: []byte(kid),
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})
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if err != nil {
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return err
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}
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crt.ExtraExtensions = append(crt.ExtraExtensions, pkix.Extension{
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Id: stepOIDProvisioner,
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Critical: false,
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Value: b,
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})
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return nil
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}
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}
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func getCSR(t *testing.T, priv interface{}, opts ...func(*x509.CertificateRequest)) *x509.CertificateRequest {
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_csr := &x509.CertificateRequest{
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Subject: pkix.Name{CommonName: "smallstep test"},
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DNSNames: []string{"test.smallstep.com"},
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}
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for _, opt := range opts {
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opt(_csr)
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}
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csrBytes, err := x509.CreateCertificateRequest(rand.Reader, _csr, priv)
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assert.FatalError(t, err)
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csr, err := x509.ParseCertificateRequest(csrBytes)
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assert.FatalError(t, err)
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return csr
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}
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func TestSign(t *testing.T) {
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pub, priv, err := keys.GenerateDefaultKeyPair()
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assert.FatalError(t, err)
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a := testAuthority(t)
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assert.FatalError(t, err)
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a.config.AuthorityConfig.Template = &x509util.ASN1DN{
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Country: "Tazmania",
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Organization: "Acme Co",
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Locality: "Landscapes",
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Province: "Sudden Cliffs",
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StreetAddress: "TNT",
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CommonName: "test.smallstep.com",
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}
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nb := time.Now()
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signOpts := provisioner.Options{
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NotBefore: provisioner.NewTimeDuration(nb),
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NotAfter: provisioner.NewTimeDuration(nb.Add(time.Minute * 5)),
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}
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// Create a token to get test extra opts.
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p := a.config.AuthorityConfig.Provisioners[1].(*provisioner.JWK)
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key, err := jose.ParseKey("testdata/secrets/step_cli_key_priv.jwk", jose.WithPassword([]byte("pass")))
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assert.FatalError(t, err)
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token, err := generateToken("smallstep test", "step-cli", "https://test.ca.smallstep.com/sign", []string{"test.smallstep.com"}, time.Now(), key)
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assert.FatalError(t, err)
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extraOpts, err := a.Authorize(token)
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assert.FatalError(t, err)
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type signTest struct {
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auth *Authority
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csr *x509.CertificateRequest
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signOpts provisioner.Options
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extraOpts []provisioner.SignOption
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err *apiError
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}
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tests := map[string]func(*testing.T) *signTest{
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"fail invalid signature": func(t *testing.T) *signTest {
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csr := getCSR(t, priv)
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csr.Signature = []byte("foo")
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return &signTest{
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auth: a,
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csr: csr,
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extraOpts: extraOpts,
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signOpts: signOpts,
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err: &apiError{errors.New("sign: invalid certificate request"),
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http.StatusBadRequest,
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context{"csr": csr, "signOptions": signOpts},
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},
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}
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},
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"fail invalid extra option": func(t *testing.T) *signTest {
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csr := getCSR(t, priv)
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csr.Raw = []byte("foo")
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return &signTest{
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auth: a,
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csr: csr,
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extraOpts: append(extraOpts, "42"),
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signOpts: signOpts,
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err: &apiError{errors.New("sign: invalid extra option type string"),
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http.StatusInternalServerError,
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context{"csr": csr, "signOptions": signOpts},
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},
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}
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},
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"fail merge default ASN1DN": func(t *testing.T) *signTest {
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_a := testAuthority(t)
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_a.config.AuthorityConfig.Template = nil
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csr := getCSR(t, priv)
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return &signTest{
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auth: _a,
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csr: csr,
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extraOpts: extraOpts,
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signOpts: signOpts,
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err: &apiError{errors.New("sign: default ASN1DN template cannot be nil"),
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http.StatusInternalServerError,
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context{"csr": csr, "signOptions": signOpts},
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},
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}
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},
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"fail create cert": func(t *testing.T) *signTest {
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_a := testAuthority(t)
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_a.intermediateIdentity.Key = nil
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csr := getCSR(t, priv)
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return &signTest{
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auth: _a,
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csr: csr,
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extraOpts: extraOpts,
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signOpts: signOpts,
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err: &apiError{errors.New("sign: error creating new leaf certificate"),
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http.StatusInternalServerError,
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context{"csr": csr, "signOptions": signOpts},
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},
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}
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},
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"fail provisioner duration claim": func(t *testing.T) *signTest {
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csr := getCSR(t, priv)
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_signOpts := provisioner.Options{
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NotBefore: provisioner.NewTimeDuration(nb),
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NotAfter: provisioner.NewTimeDuration(nb.Add(time.Hour * 25)),
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}
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return &signTest{
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auth: a,
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csr: csr,
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extraOpts: extraOpts,
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signOpts: _signOpts,
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err: &apiError{errors.New("sign: requested duration of 25h0m0s is more than the authorized maximum certificate duration of 24h0m0s"),
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http.StatusUnauthorized,
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context{"csr": csr, "signOptions": _signOpts},
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},
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}
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},
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"fail validate sans when adding common name not in claims": func(t *testing.T) *signTest {
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csr := getCSR(t, priv, func(csr *x509.CertificateRequest) {
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csr.DNSNames = append(csr.DNSNames, csr.Subject.CommonName)
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})
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return &signTest{
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auth: a,
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csr: csr,
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extraOpts: extraOpts,
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signOpts: signOpts,
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err: &apiError{errors.New("sign: certificate request does not contain the valid DNS names - got [test.smallstep.com smallstep test], want [test.smallstep.com]"),
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http.StatusUnauthorized,
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context{"csr": csr, "signOptions": signOpts},
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},
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}
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},
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"ok": func(t *testing.T) *signTest {
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csr := getCSR(t, priv)
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return &signTest{
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auth: a,
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csr: csr,
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extraOpts: extraOpts,
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signOpts: signOpts,
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}
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},
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}
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for name, genTestCase := range tests {
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t.Run(name, func(t *testing.T) {
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tc := genTestCase(t)
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leaf, intermediate, err := tc.auth.Sign(tc.csr, tc.signOpts, tc.extraOpts...)
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if err != nil {
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if assert.NotNil(t, tc.err) {
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switch v := err.(type) {
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case *apiError:
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assert.HasPrefix(t, v.err.Error(), tc.err.Error())
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assert.Equals(t, v.code, tc.err.code)
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assert.Equals(t, v.context, tc.err.context)
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default:
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t.Errorf("unexpected error type: %T", v)
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}
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}
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} else {
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if assert.Nil(t, tc.err) {
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assert.Equals(t, leaf.NotBefore, signOpts.NotBefore.Time().Truncate(time.Second))
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assert.Equals(t, leaf.NotAfter, signOpts.NotAfter.Time().Truncate(time.Second))
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tmplt := a.config.AuthorityConfig.Template
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assert.Equals(t, fmt.Sprintf("%v", leaf.Subject),
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fmt.Sprintf("%v", &pkix.Name{
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Country: []string{tmplt.Country},
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Organization: []string{tmplt.Organization},
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Locality: []string{tmplt.Locality},
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StreetAddress: []string{tmplt.StreetAddress},
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Province: []string{tmplt.Province},
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CommonName: "smallstep test",
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}))
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assert.Equals(t, leaf.Issuer, intermediate.Subject)
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assert.Equals(t, leaf.SignatureAlgorithm, x509.ECDSAWithSHA256)
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assert.Equals(t, leaf.PublicKeyAlgorithm, x509.ECDSA)
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assert.Equals(t, leaf.ExtKeyUsage,
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[]x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth})
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assert.Equals(t, leaf.DNSNames, []string{"test.smallstep.com"})
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pubBytes, err := x509.MarshalPKIXPublicKey(pub)
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assert.FatalError(t, err)
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hash := sha1.Sum(pubBytes)
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assert.Equals(t, leaf.SubjectKeyId, hash[:])
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assert.Equals(t, leaf.AuthorityKeyId, a.intermediateIdentity.Crt.SubjectKeyId)
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// Verify Provisioner OID
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found := 0
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for _, ext := range leaf.Extensions {
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id := ext.Id.String()
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if id != stepOIDProvisioner.String() {
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continue
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}
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found++
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val := stepProvisionerASN1{}
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_, err := asn1.Unmarshal(ext.Value, &val)
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assert.FatalError(t, err)
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assert.Equals(t, val.Type, provisionerTypeJWK)
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assert.Equals(t, val.Name, []byte(p.Name))
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assert.Equals(t, val.CredentialID, []byte(p.Key.KeyID))
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}
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assert.Equals(t, found, 1)
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realIntermediate, err := x509.ParseCertificate(a.intermediateIdentity.Crt.Raw)
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assert.FatalError(t, err)
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assert.Equals(t, intermediate, realIntermediate)
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}
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}
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})
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}
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}
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func TestRenew(t *testing.T) {
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pub, _, err := keys.GenerateDefaultKeyPair()
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assert.FatalError(t, err)
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a := testAuthority(t)
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a.config.AuthorityConfig.Template = &x509util.ASN1DN{
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Country: "Tazmania",
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Organization: "Acme Co",
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Locality: "Landscapes",
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Province: "Sudden Cliffs",
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StreetAddress: "TNT",
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CommonName: "renew",
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}
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now := time.Now().UTC()
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nb1 := now.Add(-time.Minute * 7)
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na1 := now
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so := &provisioner.Options{
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NotBefore: provisioner.NewTimeDuration(nb1),
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NotAfter: provisioner.NewTimeDuration(na1),
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}
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leaf, err := x509util.NewLeafProfile("renew", a.intermediateIdentity.Crt,
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a.intermediateIdentity.Key,
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x509util.WithNotBeforeAfterDuration(so.NotBefore.Time(), so.NotAfter.Time(), 0),
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withDefaultASN1DN(a.config.AuthorityConfig.Template),
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x509util.WithPublicKey(pub), x509util.WithHosts("test.smallstep.com,test"),
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withProvisionerOID("Max", a.config.AuthorityConfig.Provisioners[0].(*provisioner.JWK).Key.KeyID))
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assert.FatalError(t, err)
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crtBytes, err := leaf.CreateCertificate()
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assert.FatalError(t, err)
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crt, err := x509.ParseCertificate(crtBytes)
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assert.FatalError(t, err)
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leafNoRenew, err := x509util.NewLeafProfile("norenew", a.intermediateIdentity.Crt,
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a.intermediateIdentity.Key,
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x509util.WithNotBeforeAfterDuration(so.NotBefore.Time(), so.NotAfter.Time(), 0),
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withDefaultASN1DN(a.config.AuthorityConfig.Template),
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x509util.WithPublicKey(pub), x509util.WithHosts("test.smallstep.com,test"),
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withProvisionerOID("dev", a.config.AuthorityConfig.Provisioners[2].(*provisioner.JWK).Key.KeyID),
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)
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assert.FatalError(t, err)
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crtBytesNoRenew, err := leafNoRenew.CreateCertificate()
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assert.FatalError(t, err)
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crtNoRenew, err := x509.ParseCertificate(crtBytesNoRenew)
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assert.FatalError(t, err)
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type renewTest struct {
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auth *Authority
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crt *x509.Certificate
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err *apiError
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}
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tests := map[string]func() (*renewTest, error){
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"fail-create-cert": func() (*renewTest, error) {
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_a := testAuthority(t)
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_a.intermediateIdentity.Key = nil
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return &renewTest{
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auth: _a,
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crt: crt,
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err: &apiError{errors.New("error renewing certificate from existing server certificate"),
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http.StatusInternalServerError, context{}},
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}, nil
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},
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"fail-unauthorized": func() (*renewTest, error) {
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ctx := map[string]interface{}{
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"serialNumber": crtNoRenew.SerialNumber.String(),
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}
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return &renewTest{
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crt: crtNoRenew,
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err: &apiError{errors.New("renew is disabled for provisioner dev:IMi94WBNI6gP5cNHXlZYNUzvMjGdHyBRmFoo-lCEaqk"),
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http.StatusUnauthorized, ctx},
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}, nil
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},
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"success": func() (*renewTest, error) {
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return &renewTest{
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auth: a,
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crt: crt,
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}, nil
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},
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"success-new-intermediate": func() (*renewTest, error) {
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newRootProfile, err := x509util.NewRootProfile("new-root")
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assert.FatalError(t, err)
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newRootBytes, err := newRootProfile.CreateCertificate()
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assert.FatalError(t, err)
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newRootCrt, err := x509.ParseCertificate(newRootBytes)
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assert.FatalError(t, err)
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newIntermediateProfile, err := x509util.NewIntermediateProfile("new-intermediate",
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newRootCrt, newRootProfile.SubjectPrivateKey())
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assert.FatalError(t, err)
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newIntermediateBytes, err := newIntermediateProfile.CreateCertificate()
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assert.FatalError(t, err)
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newIntermediateCrt, err := x509.ParseCertificate(newIntermediateBytes)
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assert.FatalError(t, err)
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_a := testAuthority(t)
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_a.intermediateIdentity.Key = newIntermediateProfile.SubjectPrivateKey()
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_a.intermediateIdentity.Crt = newIntermediateCrt
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return &renewTest{
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auth: _a,
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crt: crt,
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}, nil
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},
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}
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|
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for name, genTestCase := range tests {
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t.Run(name, func(t *testing.T) {
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tc, err := genTestCase()
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assert.FatalError(t, err)
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|
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var leaf, intermediate *x509.Certificate
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if tc.auth != nil {
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leaf, intermediate, err = tc.auth.Renew(tc.crt)
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} else {
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leaf, intermediate, err = a.Renew(tc.crt)
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}
|
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if err != nil {
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if assert.NotNil(t, tc.err) {
|
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switch v := err.(type) {
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case *apiError:
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assert.HasPrefix(t, v.err.Error(), tc.err.Error())
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assert.Equals(t, v.code, tc.err.code)
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assert.Equals(t, v.context, tc.err.context)
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default:
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t.Errorf("unexpected error type: %T", v)
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}
|
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}
|
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} else {
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if assert.Nil(t, tc.err) {
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assert.Equals(t, leaf.NotAfter.Sub(leaf.NotBefore), tc.crt.NotAfter.Sub(crt.NotBefore))
|
|
|
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assert.True(t, leaf.NotBefore.After(now.Add(-time.Minute)))
|
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assert.True(t, leaf.NotBefore.Before(now.Add(time.Minute)))
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|
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expiry := now.Add(time.Minute * 7)
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assert.True(t, leaf.NotAfter.After(expiry.Add(-time.Minute)))
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assert.True(t, leaf.NotAfter.Before(expiry.Add(time.Minute)))
|
|
|
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tmplt := a.config.AuthorityConfig.Template
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assert.Equals(t, fmt.Sprintf("%v", leaf.Subject),
|
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fmt.Sprintf("%v", &pkix.Name{
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Country: []string{tmplt.Country},
|
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Organization: []string{tmplt.Organization},
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Locality: []string{tmplt.Locality},
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StreetAddress: []string{tmplt.StreetAddress},
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Province: []string{tmplt.Province},
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CommonName: tmplt.CommonName,
|
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}))
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assert.Equals(t, leaf.Issuer, intermediate.Subject)
|
|
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assert.Equals(t, leaf.SignatureAlgorithm, x509.ECDSAWithSHA256)
|
|
assert.Equals(t, leaf.PublicKeyAlgorithm, x509.ECDSA)
|
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assert.Equals(t, leaf.ExtKeyUsage,
|
|
[]x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth})
|
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assert.Equals(t, leaf.DNSNames, []string{"test.smallstep.com", "test"})
|
|
|
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pubBytes, err := x509.MarshalPKIXPublicKey(pub)
|
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assert.FatalError(t, err)
|
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hash := sha1.Sum(pubBytes)
|
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assert.Equals(t, leaf.SubjectKeyId, hash[:])
|
|
|
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// We did not change the intermediate before renewing.
|
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if a.intermediateIdentity.Crt.SerialNumber == tc.auth.intermediateIdentity.Crt.SerialNumber {
|
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assert.Equals(t, leaf.AuthorityKeyId, a.intermediateIdentity.Crt.SubjectKeyId)
|
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// Compare extensions: they can be in a different order
|
|
for _, ext1 := range tc.crt.Extensions {
|
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found := false
|
|
for _, ext2 := range leaf.Extensions {
|
|
if reflect.DeepEqual(ext1, ext2) {
|
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found = true
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break
|
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}
|
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}
|
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if !found {
|
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t.Errorf("x509 extension %s not found in renewed certificate", ext1.Id.String())
|
|
}
|
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}
|
|
} else {
|
|
// We did change the intermediate before renewing.
|
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assert.Equals(t, leaf.AuthorityKeyId, tc.auth.intermediateIdentity.Crt.SubjectKeyId)
|
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// Compare extensions: they can be in a different order
|
|
for _, ext1 := range tc.crt.Extensions {
|
|
// The authority key id extension should be different b/c the intermediates are different.
|
|
if ext1.Id.Equal(oidAuthorityKeyIdentifier) {
|
|
for _, ext2 := range leaf.Extensions {
|
|
assert.False(t, reflect.DeepEqual(ext1, ext2))
|
|
}
|
|
continue
|
|
} else {
|
|
found := false
|
|
for _, ext2 := range leaf.Extensions {
|
|
if reflect.DeepEqual(ext1, ext2) {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
t.Errorf("x509 extension %s not found in renewed certificate", ext1.Id.String())
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
realIntermediate, err := x509.ParseCertificate(tc.auth.intermediateIdentity.Crt.Raw)
|
|
assert.FatalError(t, err)
|
|
assert.Equals(t, intermediate, realIntermediate)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestGetTLSOptions(t *testing.T) {
|
|
type renewTest struct {
|
|
auth *Authority
|
|
opts *tlsutil.TLSOptions
|
|
}
|
|
tests := map[string]func() (*renewTest, error){
|
|
"default": func() (*renewTest, error) {
|
|
a := testAuthority(t)
|
|
return &renewTest{auth: a, opts: &DefaultTLSOptions}, nil
|
|
},
|
|
"non-default": func() (*renewTest, error) {
|
|
a := testAuthority(t)
|
|
a.config.TLS = &tlsutil.TLSOptions{
|
|
CipherSuites: x509util.CipherSuites{
|
|
"TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305",
|
|
"TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384",
|
|
},
|
|
MinVersion: 1.0,
|
|
MaxVersion: 1.1,
|
|
Renegotiation: true,
|
|
}
|
|
return &renewTest{auth: a, opts: a.config.TLS}, nil
|
|
},
|
|
}
|
|
|
|
for name, genTestCase := range tests {
|
|
t.Run(name, func(t *testing.T) {
|
|
tc, err := genTestCase()
|
|
assert.FatalError(t, err)
|
|
|
|
opts := tc.auth.GetTLSOptions()
|
|
assert.Equals(t, opts, tc.opts)
|
|
})
|
|
}
|
|
}
|