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tls_test.go
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package authority
import (
"context"
"crypto"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"crypto/sha1" // nolint:gosec // used to create the Subject Key Identifier by RFC 5280
"crypto/x509"
"crypto/x509/pkix"
"encoding/asn1"
"encoding/pem"
"errors"
"fmt"
"net/http"
"reflect"
"testing"
"time"
"gopkg.in/square/go-jose.v2/jwt"
"go.step.sm/crypto/jose"
"go.step.sm/crypto/keyutil"
"go.step.sm/crypto/minica"
"go.step.sm/crypto/pemutil"
"go.step.sm/crypto/x509util"
"github.com/smallstep/assert"
"github.com/smallstep/certificates/api/render"
"github.com/smallstep/certificates/authority/policy"
"github.com/smallstep/certificates/authority/provisioner"
"github.com/smallstep/certificates/cas/softcas"
"github.com/smallstep/certificates/db"
"github.com/smallstep/certificates/errs"
)
var (
stepOIDRoot = asn1.ObjectIdentifier{1, 3, 6, 1, 4, 1, 37476, 9000, 64}
stepOIDProvisioner = append(asn1.ObjectIdentifier(nil), append(stepOIDRoot, 1)...)
)
const provisionerTypeJWK = 1
type stepProvisionerASN1 struct {
Type int
Name []byte
CredentialID []byte
}
type certificateDurationEnforcer struct {
NotBefore time.Time
NotAfter time.Time
}
func (m *certificateDurationEnforcer) Enforce(cert *x509.Certificate) error {
cert.NotBefore = m.NotBefore
cert.NotAfter = m.NotAfter
return nil
}
func getDefaultIssuer(a *Authority) *x509.Certificate {
return a.x509CAService.(*softcas.SoftCAS).CertificateChain[len(a.x509CAService.(*softcas.SoftCAS).CertificateChain)-1]
}
func getDefaultSigner(a *Authority) crypto.Signer {
return a.x509CAService.(*softcas.SoftCAS).Signer
}
func generateCertificate(t *testing.T, commonName string, sans []string, opts ...interface{}) *x509.Certificate {
t.Helper()
priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
assert.FatalError(t, err)
cr, err := x509util.CreateCertificateRequest(commonName, sans, priv)
assert.FatalError(t, err)
template, err := x509util.NewCertificate(cr)
assert.FatalError(t, err)
cert := template.GetCertificate()
for _, m := range opts {
switch m := m.(type) {
case provisioner.CertificateModifierFunc:
err = m.Modify(cert, provisioner.SignOptions{})
assert.FatalError(t, err)
case signerFunc:
cert, err = m(cert, priv.Public())
assert.FatalError(t, err)
default:
t.Fatalf("unknown type %T", m)
}
}
return cert
}
func generateRootCertificate(t *testing.T) (*x509.Certificate, crypto.Signer) {
t.Helper()
priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
assert.FatalError(t, err)
cr, err := x509util.CreateCertificateRequest("TestRootCA", nil, priv)
assert.FatalError(t, err)
data := x509util.CreateTemplateData("TestRootCA", nil)
template, err := x509util.NewCertificate(cr, x509util.WithTemplate(x509util.DefaultRootTemplate, data))
assert.FatalError(t, err)
cert := template.GetCertificate()
cert, err = x509util.CreateCertificate(cert, cert, priv.Public(), priv)
assert.FatalError(t, err)
return cert, priv
}
func generateIntermidiateCertificate(t *testing.T, issuer *x509.Certificate, signer crypto.Signer) (*x509.Certificate, crypto.Signer) {
t.Helper()
priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
assert.FatalError(t, err)
cr, err := x509util.CreateCertificateRequest("TestIntermediateCA", nil, priv)
assert.FatalError(t, err)
data := x509util.CreateTemplateData("TestIntermediateCA", nil)
template, err := x509util.NewCertificate(cr, x509util.WithTemplate(x509util.DefaultRootTemplate, data))
assert.FatalError(t, err)
cert := template.GetCertificate()
cert, err = x509util.CreateCertificate(cert, issuer, priv.Public(), signer)
assert.FatalError(t, err)
return cert, priv
}
func withProvisionerOID(name, kid string) provisioner.CertificateModifierFunc {
return func(crt *x509.Certificate, _ provisioner.SignOptions) error {
b, err := asn1.Marshal(stepProvisionerASN1{
Type: provisionerTypeJWK,
Name: []byte(name),
CredentialID: []byte(kid),
})
if err != nil {
return err
}
crt.ExtraExtensions = append(crt.ExtraExtensions, pkix.Extension{
Id: stepOIDProvisioner,
Critical: false,
Value: b,
})
return nil
}
}
func withNotBeforeNotAfter(notBefore, notAfter time.Time) provisioner.CertificateModifierFunc {
return func(crt *x509.Certificate, _ provisioner.SignOptions) error {
crt.NotBefore = notBefore
crt.NotAfter = notAfter
return nil
}
}
type signerFunc func(crt *x509.Certificate, pub crypto.PublicKey) (*x509.Certificate, error)
func withSigner(issuer *x509.Certificate, signer crypto.Signer) signerFunc {
return func(crt *x509.Certificate, pub crypto.PublicKey) (*x509.Certificate, error) {
return x509util.CreateCertificate(crt, issuer, pub, signer)
}
}
func getCSR(t *testing.T, priv interface{}, opts ...func(*x509.CertificateRequest)) *x509.CertificateRequest {
_csr := &x509.CertificateRequest{
Subject: pkix.Name{CommonName: "smallstep test"},
DNSNames: []string{"test.smallstep.com"},
}
for _, opt := range opts {
opt(_csr)
}
csrBytes, err := x509.CreateCertificateRequest(rand.Reader, _csr, priv)
assert.FatalError(t, err)
csr, err := x509.ParseCertificateRequest(csrBytes)
assert.FatalError(t, err)
return csr
}
func setExtraExtsCSR(exts []pkix.Extension) func(*x509.CertificateRequest) {
return func(csr *x509.CertificateRequest) {
csr.ExtraExtensions = exts
}
}
func generateSubjectKeyID(pub crypto.PublicKey) ([]byte, error) {
b, err := x509.MarshalPKIXPublicKey(pub)
if err != nil {
return nil, fmt.Errorf("error marshaling public key: %w", err)
}
info := struct {
Algorithm pkix.AlgorithmIdentifier
SubjectPublicKey asn1.BitString
}{}
if _, err = asn1.Unmarshal(b, &info); err != nil {
return nil, fmt.Errorf("error unmarshaling public key: %w", err)
}
// nolint:gosec // used to create the Subject Key Identifier by RFC 5280
hash := sha1.Sum(info.SubjectPublicKey.Bytes)
return hash[:], nil
}
type basicConstraints struct {
IsCA bool `asn1:"optional"`
MaxPathLen int `asn1:"optional,default:-1"`
}
type testEnforcer struct {
enforcer func(*x509.Certificate) error
}
func (e *testEnforcer) Enforce(cert *x509.Certificate) error {
if e.enforcer != nil {
return e.enforcer(cert)
}
return nil
}
func TestAuthority_Sign(t *testing.T) {
pub, priv, err := keyutil.GenerateDefaultKeyPair()
assert.FatalError(t, err)
a := testAuthority(t)
assert.FatalError(t, err)
a.config.AuthorityConfig.Template = &ASN1DN{
Country: "Tazmania",
Organization: "Acme Co",
Locality: "Landscapes",
Province: "Sudden Cliffs",
StreetAddress: "TNT",
CommonName: "test.smallstep.com",
}
nb := time.Now()
signOpts := provisioner.SignOptions{
NotBefore: provisioner.NewTimeDuration(nb),
NotAfter: provisioner.NewTimeDuration(nb.Add(time.Minute * 5)),
Backdate: 1 * time.Minute,
}
// Create a token to get test extra opts.
p := a.config.AuthorityConfig.Provisioners[1].(*provisioner.JWK)
key, err := jose.ReadKey("testdata/secrets/step_cli_key_priv.jwk", jose.WithPassword([]byte("pass")))
assert.FatalError(t, err)
token, err := generateToken("smallstep test", "step-cli", testAudiences.Sign[0], []string{"test.smallstep.com"}, time.Now(), key)
assert.FatalError(t, err)
ctx := provisioner.NewContextWithMethod(context.Background(), provisioner.SignMethod)
extraOpts, err := a.Authorize(ctx, token)
assert.FatalError(t, err)
type signTest struct {
auth *Authority
csr *x509.CertificateRequest
signOpts provisioner.SignOptions
extraOpts []provisioner.SignOption
notBefore time.Time
notAfter time.Time
extensionsCount int
err error
code int
}
tests := map[string]func(*testing.T) *signTest{
"fail invalid signature": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
csr.Signature = []byte("foo")
return &signTest{
auth: a,
csr: csr,
extraOpts: extraOpts,
signOpts: signOpts,
err: errors.New("invalid certificate request"),
code: http.StatusBadRequest,
}
},
"fail invalid extra option": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
csr.Raw = []byte("foo")
return &signTest{
auth: a,
csr: csr,
extraOpts: append(extraOpts, "42"),
signOpts: signOpts,
err: errors.New("authority.Sign; invalid extra option type string"),
code: http.StatusInternalServerError,
}
},
"fail merge default ASN1DN": func(t *testing.T) *signTest {
_a := testAuthority(t)
_a.config.AuthorityConfig.Template = nil
csr := getCSR(t, priv)
return &signTest{
auth: _a,
csr: csr,
extraOpts: extraOpts,
signOpts: signOpts,
err: errors.New("default ASN1DN template cannot be nil"),
code: http.StatusForbidden,
}
},
"fail create cert": func(t *testing.T) *signTest {
_a := testAuthority(t)
_a.x509CAService.(*softcas.SoftCAS).Signer = nil
csr := getCSR(t, priv)
return &signTest{
auth: _a,
csr: csr,
extraOpts: extraOpts,
signOpts: signOpts,
err: errors.New("authority.Sign; error creating certificate"),
code: http.StatusInternalServerError,
}
},
"fail provisioner duration claim": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
_signOpts := provisioner.SignOptions{
NotBefore: provisioner.NewTimeDuration(nb),
NotAfter: provisioner.NewTimeDuration(nb.Add(time.Hour * 25)),
}
return &signTest{
auth: a,
csr: csr,
extraOpts: extraOpts,
signOpts: _signOpts,
err: errors.New("requested duration of 25h0m0s is more than the authorized maximum certificate duration of 24h1m0s"),
code: http.StatusForbidden,
}
},
"fail validate sans when adding common name not in claims": func(t *testing.T) *signTest {
csr := getCSR(t, priv, func(csr *x509.CertificateRequest) {
csr.DNSNames = append(csr.DNSNames, csr.Subject.CommonName)
})
return &signTest{
auth: a,
csr: csr,
extraOpts: extraOpts,
signOpts: signOpts,
err: errors.New("certificate request does not contain the valid DNS names - got [test.smallstep.com smallstep test], want [test.smallstep.com]"),
code: http.StatusForbidden,
}
},
"fail rsa key too short": func(t *testing.T) *signTest {
shortRSAKeyPEM := `-----BEGIN CERTIFICATE REQUEST-----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-----END CERTIFICATE REQUEST-----`
block, _ := pem.Decode([]byte(shortRSAKeyPEM))
assert.FatalError(t, err)
csr, err := x509.ParseCertificateRequest(block.Bytes)
assert.FatalError(t, err)
return &signTest{
auth: a,
csr: csr,
extraOpts: extraOpts,
signOpts: signOpts,
err: errors.New("certificate request RSA key must be at least 2048 bits (256 bytes)"),
code: http.StatusForbidden,
}
},
"fail store cert in db": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
_a := testAuthority(t)
_a.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
return errors.New("force")
},
}
return &signTest{
auth: _a,
csr: csr,
extraOpts: extraOpts,
signOpts: signOpts,
err: errors.New("authority.Sign; error storing certificate in db: force"),
code: http.StatusInternalServerError,
}
},
"fail custom template": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
testAuthority := testAuthority(t)
p, ok := testAuthority.provisioners.Load("step-cli:4UELJx8e0aS9m0CH3fZ0EB7D5aUPICb759zALHFejvc")
if !ok {
t.Fatal("provisioner not found")
}
p.(*provisioner.JWK).Options = &provisioner.Options{
X509: &provisioner.X509Options{Template: `{{ fail "fail message" }}`},
}
testExtraOpts, err := testAuthority.Authorize(ctx, token)
assert.FatalError(t, err)
testAuthority.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
assert.Equals(t, crt.Subject.CommonName, "smallstep test")
return nil
},
}
return &signTest{
auth: testAuthority,
csr: csr,
extraOpts: testExtraOpts,
signOpts: signOpts,
err: errors.New("fail message"),
code: http.StatusBadRequest,
}
},
"fail bad JSON syntax template file": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
testAuthority := testAuthority(t)
p, ok := testAuthority.provisioners.Load("step-cli:4UELJx8e0aS9m0CH3fZ0EB7D5aUPICb759zALHFejvc")
if !ok {
t.Fatal("provisioner not found")
}
p.(*provisioner.JWK).Options = &provisioner.Options{
X509: &provisioner.X509Options{
TemplateFile: "./testdata/templates/badjsonsyntax.tpl",
},
}
testExtraOpts, err := testAuthority.Authorize(ctx, token)
assert.FatalError(t, err)
testAuthority.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
assert.Equals(t, crt.Subject.CommonName, "smallstep test")
return nil
},
}
return &signTest{
auth: testAuthority,
csr: csr,
extraOpts: testExtraOpts,
signOpts: signOpts,
err: errors.New("error applying certificate template: invalid character"),
code: http.StatusInternalServerError,
}
},
"fail bad JSON value template file": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
testAuthority := testAuthority(t)
p, ok := testAuthority.provisioners.Load("step-cli:4UELJx8e0aS9m0CH3fZ0EB7D5aUPICb759zALHFejvc")
if !ok {
t.Fatal("provisioner not found")
}
p.(*provisioner.JWK).Options = &provisioner.Options{
X509: &provisioner.X509Options{
TemplateFile: "./testdata/templates/badjsonvalue.tpl",
},
}
testExtraOpts, err := testAuthority.Authorize(ctx, token)
assert.FatalError(t, err)
testAuthority.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
assert.Equals(t, crt.Subject.CommonName, "smallstep test")
return nil
},
}
return &signTest{
auth: testAuthority,
csr: csr,
extraOpts: testExtraOpts,
signOpts: signOpts,
err: errors.New("error applying certificate template: cannot unmarshal"),
code: http.StatusInternalServerError,
}
},
"fail with provisioner enforcer": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
aa := testAuthority(t)
aa.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
assert.Equals(t, crt.Subject.CommonName, "smallstep test")
return nil
},
}
return &signTest{
auth: aa,
csr: csr,
extraOpts: append(extraOpts, &testEnforcer{
enforcer: func(crt *x509.Certificate) error { return fmt.Errorf("an error") },
}),
signOpts: signOpts,
err: errors.New("error creating certificate"),
code: http.StatusForbidden,
}
},
"fail with custom enforcer": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
aa := testAuthority(t, WithX509Enforcers(&testEnforcer{
enforcer: func(cert *x509.Certificate) error {
return fmt.Errorf("an error")
},
}))
aa.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
assert.Equals(t, crt.Subject.CommonName, "smallstep test")
return nil
},
}
return &signTest{
auth: aa,
csr: csr,
extraOpts: extraOpts,
signOpts: signOpts,
err: errors.New("error creating certificate"),
code: http.StatusForbidden,
}
},
"fail with policy": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
aa := testAuthority(t)
aa.config.AuthorityConfig.Template = a.config.AuthorityConfig.Template
aa.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
fmt.Println(crt.Subject)
assert.Equals(t, crt.Subject.CommonName, "smallstep test")
return nil
},
}
options := &policy.Options{
X509: &policy.X509PolicyOptions{
DeniedNames: &policy.X509NameOptions{
DNSDomains: []string{"test.smallstep.com"},
},
},
}
engine, err := policy.New(options)
assert.FatalError(t, err)
aa.policyEngine = engine
return &signTest{
auth: aa,
csr: csr,
extraOpts: extraOpts,
signOpts: signOpts,
notBefore: signOpts.NotBefore.Time().Truncate(time.Second),
notAfter: signOpts.NotAfter.Time().Truncate(time.Second),
extensionsCount: 6,
err: errors.New("authority not allowed to sign"),
code: http.StatusForbidden,
}
},
"ok": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
_a := testAuthority(t)
_a.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
assert.Equals(t, crt.Subject.CommonName, "smallstep test")
return nil
},
}
return &signTest{
auth: a,
csr: csr,
extraOpts: extraOpts,
signOpts: signOpts,
notBefore: signOpts.NotBefore.Time().Truncate(time.Second),
notAfter: signOpts.NotAfter.Time().Truncate(time.Second),
extensionsCount: 6,
}
},
"ok with enforced modifier": func(t *testing.T) *signTest {
bcExt := pkix.Extension{}
bcExt.Id = asn1.ObjectIdentifier{2, 5, 29, 19}
bcExt.Critical = false
bcExt.Value, err = asn1.Marshal(basicConstraints{IsCA: true, MaxPathLen: 4})
assert.FatalError(t, err)
csr := getCSR(t, priv, setExtraExtsCSR([]pkix.Extension{
bcExt,
{Id: stepOIDProvisioner, Value: []byte("foo")},
{Id: []int{1, 1, 1}, Value: []byte("bar")}}))
now := time.Now().UTC()
// nolint:gocritic
enforcedExtraOptions := append(extraOpts, &certificateDurationEnforcer{
NotBefore: now,
NotAfter: now.Add(365 * 24 * time.Hour),
})
_a := testAuthority(t)
_a.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
assert.Equals(t, crt.Subject.CommonName, "smallstep test")
return nil
},
}
return &signTest{
auth: a,
csr: csr,
extraOpts: enforcedExtraOptions,
signOpts: signOpts,
notBefore: now.Truncate(time.Second),
notAfter: now.Add(365 * 24 * time.Hour).Truncate(time.Second),
extensionsCount: 6,
}
},
"ok with custom template": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
testAuthority := testAuthority(t)
testAuthority.config.AuthorityConfig.Template = a.config.AuthorityConfig.Template
p, ok := testAuthority.provisioners.Load("step-cli:4UELJx8e0aS9m0CH3fZ0EB7D5aUPICb759zALHFejvc")
if !ok {
t.Fatal("provisioner not found")
}
p.(*provisioner.JWK).Options = &provisioner.Options{
X509: &provisioner.X509Options{Template: `{
"subject": {{toJson .Subject}},
"dnsNames": {{ toJson .Insecure.CR.DNSNames }},
"keyUsage": ["digitalSignature"],
"extKeyUsage": ["serverAuth","clientAuth"]
}`},
}
testExtraOpts, err := testAuthority.Authorize(ctx, token)
assert.FatalError(t, err)
testAuthority.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
assert.Equals(t, crt.Subject.CommonName, "smallstep test")
return nil
},
}
return &signTest{
auth: testAuthority,
csr: csr,
extraOpts: testExtraOpts,
signOpts: signOpts,
notBefore: signOpts.NotBefore.Time().Truncate(time.Second),
notAfter: signOpts.NotAfter.Time().Truncate(time.Second),
extensionsCount: 6,
}
},
"ok/csr with no template critical SAN extension": func(t *testing.T) *signTest {
csr := getCSR(t, priv, func(csr *x509.CertificateRequest) {
csr.Subject = pkix.Name{}
}, func(csr *x509.CertificateRequest) {
csr.DNSNames = []string{"foo", "bar"}
})
now := time.Now().UTC()
enforcedExtraOptions := []provisioner.SignOption{&certificateDurationEnforcer{
NotBefore: now,
NotAfter: now.Add(365 * 24 * time.Hour),
}}
_a := testAuthority(t)
_a.config.AuthorityConfig.Template = &ASN1DN{}
_a.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
assert.Equals(t, crt.Subject, pkix.Name{})
return nil
},
}
return &signTest{
auth: _a,
csr: csr,
extraOpts: enforcedExtraOptions,
signOpts: provisioner.SignOptions{},
notBefore: now.Truncate(time.Second),
notAfter: now.Add(365 * 24 * time.Hour).Truncate(time.Second),
extensionsCount: 5,
}
},
"ok with custom enforcer": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
aa := testAuthority(t, WithX509Enforcers(&testEnforcer{
enforcer: func(cert *x509.Certificate) error {
cert.CRLDistributionPoints = []string{"http://ca.example.org/leaf.crl"}
return nil
},
}))
aa.config.AuthorityConfig.Template = a.config.AuthorityConfig.Template
aa.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
assert.Equals(t, crt.Subject.CommonName, "smallstep test")
assert.Equals(t, crt.CRLDistributionPoints, []string{"http://ca.example.org/leaf.crl"})
return nil
},
}
return &signTest{
auth: aa,
csr: csr,
extraOpts: extraOpts,
signOpts: signOpts,
notBefore: signOpts.NotBefore.Time().Truncate(time.Second),
notAfter: signOpts.NotAfter.Time().Truncate(time.Second),
extensionsCount: 7,
}
},
"ok with policy": func(t *testing.T) *signTest {
csr := getCSR(t, priv)
aa := testAuthority(t)
aa.config.AuthorityConfig.Template = a.config.AuthorityConfig.Template
aa.db = &db.MockAuthDB{
MStoreCertificate: func(crt *x509.Certificate) error {
fmt.Println(crt.Subject)
assert.Equals(t, crt.Subject.CommonName, "smallstep test")
return nil
},
}
options := &policy.Options{
X509: &policy.X509PolicyOptions{
AllowedNames: &policy.X509NameOptions{
CommonNames: []string{"smallstep test"},
DNSDomains: []string{"*.smallstep.com"},
},
},
}
engine, err := policy.New(options)
assert.FatalError(t, err)
aa.policyEngine = engine
return &signTest{
auth: aa,
csr: csr,
extraOpts: extraOpts,
signOpts: signOpts,
notBefore: signOpts.NotBefore.Time().Truncate(time.Second),
notAfter: signOpts.NotAfter.Time().Truncate(time.Second),
extensionsCount: 6,
}
},
}
for name, genTestCase := range tests {
t.Run(name, func(t *testing.T) {
tc := genTestCase(t)
certChain, err := tc.auth.Sign(tc.csr, tc.signOpts, tc.extraOpts...)
if err != nil {
if assert.NotNil(t, tc.err, fmt.Sprintf("unexpected error: %s", err)) {
assert.Nil(t, certChain)
sc, ok := err.(render.StatusCodedError)
assert.Fatal(t, ok, "error does not implement StatusCodedError interface")
assert.Equals(t, sc.StatusCode(), tc.code)
assert.HasPrefix(t, err.Error(), tc.err.Error())
ctxErr, ok := err.(*errs.Error)
assert.Fatal(t, ok, "error is not of type *errs.Error")
assert.Equals(t, ctxErr.Details["csr"], tc.csr)
assert.Equals(t, ctxErr.Details["signOptions"], tc.signOpts)
}
} else {
leaf := certChain[0]
intermediate := certChain[1]
if assert.Nil(t, tc.err) {
assert.Equals(t, leaf.NotBefore, tc.notBefore)
assert.Equals(t, leaf.NotAfter, tc.notAfter)
tmplt := a.config.AuthorityConfig.Template
if tc.csr.Subject.CommonName == "" {
assert.Equals(t, leaf.Subject, pkix.Name{})
} else {
assert.Equals(t, leaf.Subject.String(),
pkix.Name{
Country: []string{tmplt.Country},
Organization: []string{tmplt.Organization},
Locality: []string{tmplt.Locality},
StreetAddress: []string{tmplt.StreetAddress},
Province: []string{tmplt.Province},
CommonName: "smallstep test",
}.String())
assert.Equals(t, leaf.DNSNames, []string{"test.smallstep.com"})
}
assert.Equals(t, leaf.Issuer, intermediate.Subject)
assert.Equals(t, leaf.SignatureAlgorithm, x509.ECDSAWithSHA256)
assert.Equals(t, leaf.PublicKeyAlgorithm, x509.ECDSA)
assert.Equals(t, leaf.ExtKeyUsage, []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth})
issuer := getDefaultIssuer(a)
subjectKeyID, err := generateSubjectKeyID(pub)
assert.FatalError(t, err)
assert.Equals(t, leaf.SubjectKeyId, subjectKeyID)
assert.Equals(t, leaf.AuthorityKeyId, issuer.SubjectKeyId)
// Verify Provisioner OID
found := 0
for _, ext := range leaf.Extensions {
switch {
case ext.Id.Equal(stepOIDProvisioner):
found++
val := stepProvisionerASN1{}
_, err := asn1.Unmarshal(ext.Value, &val)
assert.FatalError(t, err)
assert.Equals(t, val.Type, provisionerTypeJWK)
assert.Equals(t, val.Name, []byte(p.Name))
assert.Equals(t, val.CredentialID, []byte(p.Key.KeyID))
// Basic Constraints
case ext.Id.Equal(asn1.ObjectIdentifier([]int{2, 5, 29, 19})):
val := basicConstraints{}
_, err := asn1.Unmarshal(ext.Value, &val)
assert.FatalError(t, err)
assert.False(t, val.IsCA, false)
assert.Equals(t, val.MaxPathLen, 0)
// SAN extension
case ext.Id.Equal(asn1.ObjectIdentifier([]int{2, 5, 29, 17})):
if tc.csr.Subject.CommonName == "" {
// Empty CSR subject test does not use any provisioner extensions.
// So provisioner ID ext will be missing.
found = 1
}
}
}
assert.Equals(t, found, 1)
realIntermediate, err := x509.ParseCertificate(issuer.Raw)
assert.FatalError(t, err)
assert.Equals(t, intermediate, realIntermediate)
assert.Len(t, tc.extensionsCount, leaf.Extensions)
}
}
})
}
}
func TestAuthority_Renew(t *testing.T) {
a := testAuthority(t)
a.config.AuthorityConfig.Template = &ASN1DN{
Country: "Tazmania",
Organization: "Acme Co",
Locality: "Landscapes",
Province: "Sudden Cliffs",
StreetAddress: "TNT",
CommonName: "renew",
}
now := time.Now().UTC()
nb1 := now.Add(-time.Minute * 7)
na1 := now.Add(time.Hour)
so := &provisioner.SignOptions{
NotBefore: provisioner.NewTimeDuration(nb1),
NotAfter: provisioner.NewTimeDuration(na1),
}
issuer := getDefaultIssuer(a)
signer := getDefaultSigner(a)
cert := generateCertificate(t, "renew", []string{"test.smallstep.com", "test"},
withNotBeforeNotAfter(so.NotBefore.Time(), so.NotAfter.Time()),
withDefaultASN1DN(a.config.AuthorityConfig.Template),
withProvisionerOID("Max", a.config.AuthorityConfig.Provisioners[0].(*provisioner.JWK).Key.KeyID),
withSigner(issuer, signer))
certNoRenew := generateCertificate(t, "renew", []string{"test.smallstep.com", "test"},
withNotBeforeNotAfter(so.NotBefore.Time(), so.NotAfter.Time()),
withDefaultASN1DN(a.config.AuthorityConfig.Template),
withProvisionerOID("dev", a.config.AuthorityConfig.Provisioners[2].(*provisioner.JWK).Key.KeyID),
withSigner(issuer, signer))
type renewTest struct {
auth *Authority
cert *x509.Certificate
err error
code int
}
tests := map[string]func() (*renewTest, error){
"fail/create-cert": func() (*renewTest, error) {
_a := testAuthority(t)
_a.x509CAService.(*softcas.SoftCAS).Signer = nil
return &renewTest{
auth: _a,
cert: cert,
err: errors.New("authority.Rekey: error creating certificate"),
code: http.StatusInternalServerError,
}, nil
},
"fail/unauthorized": func() (*renewTest, error) {
return &renewTest{
cert: certNoRenew,
err: errors.New("authority.Rekey: authority.authorizeRenew: renew is disabled for provisioner 'dev'"),
code: http.StatusUnauthorized,
}, nil
},
"fail/WithAuthorizeRenewFunc": func() (*renewTest, error) {
aa := testAuthority(t, WithAuthorizeRenewFunc(func(ctx context.Context, p *provisioner.Controller, cert *x509.Certificate) error {
return errs.Unauthorized("not authorized")
}))
aa.x509CAService = a.x509CAService
aa.config.AuthorityConfig.Template = a.config.AuthorityConfig.Template
return &renewTest{
auth: aa,
cert: cert,
err: errors.New("authority.Rekey: authority.authorizeRenew: not authorized"),
code: http.StatusUnauthorized,
}, nil
},
"ok": func() (*renewTest, error) {
return &renewTest{
auth: a,
cert: cert,
}, nil
},
"ok/success-new-intermediate": func() (*renewTest, error) {
rootCert, rootSigner := generateRootCertificate(t)
intCert, intSigner := generateIntermidiateCertificate(t, rootCert, rootSigner)
_a := testAuthority(t)
_a.x509CAService.(*softcas.SoftCAS).CertificateChain = []*x509.Certificate{intCert}
_a.x509CAService.(*softcas.SoftCAS).Signer = intSigner
return &renewTest{
auth: _a,
cert: cert,
}, nil
},
"ok/WithAuthorizeRenewFunc": func() (*renewTest, error) {
aa := testAuthority(t, WithAuthorizeRenewFunc(func(ctx context.Context, p *provisioner.Controller, cert *x509.Certificate) error {
return nil
}))
aa.x509CAService = a.x509CAService
aa.config.AuthorityConfig.Template = a.config.AuthorityConfig.Template
return &renewTest{
auth: aa,
cert: cert,
}, nil
},
}
for name, genTestCase := range tests {
t.Run(name, func(t *testing.T) {
tc, err := genTestCase()
assert.FatalError(t, err)
var certChain []*x509.Certificate
if tc.auth != nil {
certChain, err = tc.auth.Renew(tc.cert)
} else {
certChain, err = a.Renew(tc.cert)
}
if err != nil {
if assert.NotNil(t, tc.err, fmt.Sprintf("unexpected error: %s", err)) {
assert.Nil(t, certChain)
sc, ok := err.(render.StatusCodedError)
assert.Fatal(t, ok, "error does not implement StatusCodedError interface")
assert.Equals(t, sc.StatusCode(), tc.code)
assert.HasPrefix(t, err.Error(), tc.err.Error())
ctxErr, ok := err.(*errs.Error)
assert.Fatal(t, ok, "error is not of type *errs.Error")
assert.Equals(t, ctxErr.Details["serialNumber"], tc.cert.SerialNumber.String())
}
} else {
leaf := certChain[0]
intermediate := certChain[1]
if assert.Nil(t, tc.err) {
assert.Equals(t, leaf.NotAfter.Sub(leaf.NotBefore), tc.cert.NotAfter.Sub(cert.NotBefore))
assert.True(t, leaf.NotBefore.After(now.Add(-2*time.Minute)))
assert.True(t, leaf.NotBefore.Before(now.Add(time.Minute)))
expiry := now.Add(time.Minute * 7)
assert.True(t, leaf.NotAfter.After(expiry.Add(-2*time.Minute)))
assert.True(t, leaf.NotAfter.Before(expiry.Add(time.Hour)))
tmplt := a.config.AuthorityConfig.Template
assert.Equals(t, leaf.Subject.String(),
pkix.Name{
Country: []string{tmplt.Country},
Organization: []string{tmplt.Organization},
Locality: []string{tmplt.Locality},
StreetAddress: []string{tmplt.StreetAddress},
Province: []string{tmplt.Province},
CommonName: tmplt.CommonName,
}.String())
assert.Equals(t, leaf.Issuer, intermediate.Subject)
assert.Equals(t, leaf.SignatureAlgorithm, x509.ECDSAWithSHA256)
assert.Equals(t, leaf.PublicKeyAlgorithm, x509.ECDSA)
assert.Equals(t, leaf.ExtKeyUsage,
[]x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth})
assert.Equals(t, leaf.DNSNames, []string{"test.smallstep.com", "test"})
subjectKeyID, err := generateSubjectKeyID(leaf.PublicKey)
assert.FatalError(t, err)
assert.Equals(t, leaf.SubjectKeyId, subjectKeyID)
// We did not change the intermediate before renewing.
authIssuer := getDefaultIssuer(tc.auth)
if issuer.SerialNumber == authIssuer.SerialNumber {
assert.Equals(t, leaf.AuthorityKeyId, issuer.SubjectKeyId)
// Compare extensions: they can be in a different order
for _, ext1 := range tc.cert.Extensions {
//skip SubjectKeyIdentifier
if ext1.Id.Equal(oidSubjectKeyIdentifier) {
continue
}
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())
}
}
} else {
// We did change the intermediate before renewing.
assert.Equals(t, leaf.AuthorityKeyId, authIssuer.SubjectKeyId)