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Merge pull request #993 from smallstep/ra-ids

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RA provisioner IDs
This commit is contained in:
Mariano Cano 2022-08-04 11:26:59 -07:00 committed by GitHub
commit 38fb92452f
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
19 changed files with 192 additions and 45 deletions
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5
authority/authority.go
View file

@ -312,6 +312,7 @@ func (a *Authority) init() error {
if id := a.config.AuthorityConfig.AuthorityID; id != "" && !strings.EqualFold(id, linkedcaClient.authorityID) {
return errors.New("error initializing linkedca: token authority and configured authority do not match")
}
a.config.AuthorityConfig.AuthorityID = linkedcaClient.authorityID
linkedcaClient.Run()
}
@ -322,6 +323,9 @@ func (a *Authority) init() error {
options = *a.config.AuthorityConfig.Options
}
// AuthorityID might be empty. It's always available linked CAs/RAs.
options.AuthorityID = a.config.AuthorityConfig.AuthorityID
// Configure linked RA
if linkedcaClient != nil && options.CertificateAuthority == "" {
conf, err := linkedcaClient.GetConfiguration(ctx)
@ -357,7 +361,6 @@ func (a *Authority) init() error {
return err
}
}
a.x509CAService, err = cas.New(ctx, options)
if err != nil {
return err

21
authority/linkedca.go
View file

@ -277,6 +277,7 @@ func (c *linkedCaClient) StoreCertificateChain(p provisioner.Interface, fullchai
PemCertificate: serializeCertificateChain(fullchain[0]),
PemCertificateChain: serializeCertificateChain(fullchain[1:]...),
Provisioner: createProvisionerIdentity(p),
RaProvisioner: createRegistrationAuthorityProvisioner(p),
})
return errors.Wrap(err, "error posting certificate")
}
@ -392,6 +393,26 @@ func createProvisionerIdentity(p provisioner.Interface) *linkedca.ProvisionerIde
}
}
type raProvisioner interface {
RAInfo() *provisioner.RAInfo
}
func createRegistrationAuthorityProvisioner(p provisioner.Interface) *linkedca.RegistrationAuthorityProvisioner {
if rap, ok := p.(raProvisioner); ok {
info := rap.RAInfo()
typ := linkedca.Provisioner_Type_value[strings.ToUpper(info.ProvisionerType)]
return &linkedca.RegistrationAuthorityProvisioner{
AuthorityId: info.AuthorityID,
Provisioner: &linkedca.ProvisionerIdentity{
Id: info.ProvisionerID,
Type: linkedca.Provisioner_Type(typ),
Name: info.ProvisionerName,
},
}
}
return nil
}
func serializeCertificate(crt *x509.Certificate) string {
if crt == nil {
return ""

12
authority/provisioner/jwk.go
View file

@ -24,6 +24,7 @@ type jwtPayload struct {
type stepPayload struct {
SSH *SignSSHOptions `json:"ssh,omitempty"`
RA *RAInfo `json:"ra,omitempty"`
}
// JWK is the default provisioner, an entity that can sign tokens necessary for
@ -172,8 +173,17 @@ func (p *JWK) AuthorizeSign(ctx context.Context, token string) ([]SignOption, er
return nil, errs.Wrap(http.StatusInternalServerError, err, "jwk.AuthorizeSign")
}
// Wrap provisioner if the token is an RA token.
var self Interface = p
if claims.Step != nil && claims.Step.RA != nil {
self = &raProvisioner{
Interface: p,
raInfo: claims.Step.RA,
}
}
return []SignOption{
p,
self,
templateOptions,
// modifiers / withOptions
newProvisionerExtensionOption(TypeJWK, p.Name, p.Key.KeyID),

20
authority/provisioner/provisioner.go
View file

@ -340,6 +340,26 @@ type Permissions struct {
CriticalOptions map[string]string `json:"criticalOptions"`
}
// RAInfo is the information about a provisioner present in RA tokens generated
// by StepCAS.
type RAInfo struct {
AuthorityID string `json:"authorityId"`
ProvisionerID string `json:"provisionerId"`
ProvisionerType string `json:"provisionerType"`
ProvisionerName string `json:"provisionerName"`
}
// raProvisioner wraps a provisioner with RA data.
type raProvisioner struct {
Interface
raInfo *RAInfo
}
// RAInfo returns the RAInfo in the wrapped provisioner.
func (p *raProvisioner) RAInfo() *RAInfo {
return p.raInfo
}
// MockProvisioner for testing
type MockProvisioner struct {
Mret1, Mret2, Mret3 interface{}

11
authority/provisioner/x5c.go
View file

@ -221,8 +221,17 @@ func (p *X5C) AuthorizeSign(ctx context.Context, token string) ([]SignOption, er
return nil, errs.Wrap(http.StatusInternalServerError, err, "jwk.AuthorizeSign")
}
// Wrap provisioner if the token is an RA token.
var self Interface = p
if claims.Step != nil && claims.Step.RA != nil {
self = &raProvisioner{
Interface: p,
raInfo: claims.Step.RA,
}
}
return []SignOption{
p,
self,
templateOptions,
// modifiers / withOptions
newProvisionerExtensionOption(TypeX5C, p.Name, ""),

8
authority/tls.go
View file

@ -93,12 +93,17 @@ func (a *Authority) Sign(csr *x509.CertificateRequest, signOpts provisioner.Sign
signOpts.Backdate = a.config.AuthorityConfig.Backdate.Duration
var prov provisioner.Interface
var pInfo *casapi.ProvisionerInfo
for _, op := range extraOpts {
switch k := op.(type) {
// Capture current provisioner
case provisioner.Interface:
prov = k
pInfo = &casapi.ProvisionerInfo{
ProvisionerID: prov.GetID(),
ProvisionerType: prov.GetType().String(),
ProvisionerName: prov.GetName(),
}
// Adds new options to NewCertificate
case provisioner.CertificateOptions:
certOptions = append(certOptions, k.Options(signOpts)...)
@ -225,6 +230,7 @@ func (a *Authority) Sign(csr *x509.CertificateRequest, signOpts provisioner.Sign
CSR: csr,
Lifetime: lifetime,
Backdate: signOpts.Backdate,
Provisioner: pInfo,
})
if err != nil {
return nil, errs.Wrap(http.StatusInternalServerError, err, "authority.Sign; error creating certificate", opts...)

5
ca/ca.go
View file

@ -1,6 +1,7 @@
package ca
import (
"bytes"
"context"
"crypto/tls"
"crypto/x509"
@ -342,10 +343,10 @@ func (ca *CA) Run() error {
log.Printf("X.509 Root Fingerprint: %s", x509util.Fingerprint(crt))
}
if authorityInfo.SSHCAHostPublicKey != nil {
log.Printf("SSH Host CA Key: %s\n", authorityInfo.SSHCAHostPublicKey)
log.Printf("SSH Host CA Key: %s\n", bytes.TrimSpace(authorityInfo.SSHCAHostPublicKey))
}
if authorityInfo.SSHCAUserPublicKey != nil {
log.Printf("SSH User CA Key: %s\n", authorityInfo.SSHCAUserPublicKey)
log.Printf("SSH User CA Key: %s\n", bytes.TrimSpace(authorityInfo.SSHCAUserPublicKey))
}
}

4
cas/apiv1/options.go
View file

@ -12,6 +12,10 @@ import (
// Options represents the configuration options used to select and configure the
// CertificateAuthorityService (CAS) to use.
type Options struct {
// AuthorityID is the the id oc the current authority. This is used on
// StepCAS to add information about the origin of a certificate.
AuthorityID string `json:"-"`
// The type of the CAS to use.
Type string `json:"type"`

9
cas/apiv1/requests.go
View file

@ -57,6 +57,15 @@ type CreateCertificateRequest struct {
Lifetime time.Duration
Backdate time.Duration
RequestID string
Provisioner *ProvisionerInfo
}
// ProvisionerInfo contains information of the provisioner used to authorize a
// certificate.
type ProvisionerInfo struct {
ProvisionerID string
ProvisionerType string
ProvisionerName string
}
// CreateCertificateResponse is the response to a create certificate request.

9
cas/stepcas/issuer.go
View file

@ -10,8 +10,15 @@ import (
"github.com/smallstep/certificates/cas/apiv1"
)
type raInfo struct {
AuthorityID string `json:"authorityId,omitempty"`
ProvisionerID string `json:"provisionerId"`
ProvisionerType string `json:"provisionerType"`
ProvisionerName string `json:"provisionerName"`
}
type stepIssuer interface {
SignToken(subject string, sans []string) (string, error)
SignToken(subject string, sans []string, info *raInfo) (string, error)
RevokeToken(subject string) (string, error)
Lifetime(d time.Duration) time.Duration
}

2
cas/stepcas/issuer_test.go
View file

@ -13,7 +13,7 @@ import (
type mockErrIssuer struct{}
func (m mockErrIssuer) SignToken(subject string, sans []string) (string, error) {
func (m mockErrIssuer) SignToken(subject string, sans []string, info *raInfo) (string, error) {
return "", apiv1.ErrNotImplemented{}
}

15
cas/stepcas/jwk_issuer.go
View file

@ -53,25 +53,25 @@ func newJWKIssuer(caURL *url.URL, client *ca.Client, cfg *apiv1.CertificateIssue
}, nil
}
func (i *jwkIssuer) SignToken(subject string, sans []string) (string, error) {
func (i *jwkIssuer) SignToken(subject string, sans []string, info *raInfo) (string, error) {
aud := i.caURL.ResolveReference(&url.URL{
Path: "/1.0/sign",
}).String()
return i.createToken(aud, subject, sans)
return i.createToken(aud, subject, sans, info)
}
func (i *jwkIssuer) RevokeToken(subject string) (string, error) {
aud := i.caURL.ResolveReference(&url.URL{
Path: "/1.0/revoke",
}).String()
return i.createToken(aud, subject, nil)
return i.createToken(aud, subject, nil, nil)
}
func (i *jwkIssuer) Lifetime(d time.Duration) time.Duration {
return d
}
func (i *jwkIssuer) createToken(aud, sub string, sans []string) (string, error) {
func (i *jwkIssuer) createToken(aud, sub string, sans []string, info *raInfo) (string, error) {
id, err := randutil.Hex(64) // 256 bits
if err != nil {
return "", err
@ -84,6 +84,13 @@ func (i *jwkIssuer) createToken(aud, sub string, sans []string) (string, error)
"sans": sans,
})
}
if info != nil {
builder = builder.Claims(map[string]interface{}{
"step": map[string]interface{}{
"ra": info,
},
})
}
tok, err := builder.CompactSerialize()
if err != nil {

17
cas/stepcas/jwk_issuer_test.go
View file

@ -27,11 +27,16 @@ func Test_jwkIssuer_SignToken(t *testing.T) {
type args struct {
subject string
sans []string
info *raInfo
}
type stepClaims struct {
RA *raInfo `json:"ra"`
}
type claims struct {
Aud []string `json:"aud"`
Sub string `json:"sub"`
Sans []string `json:"sans"`
Step stepClaims `json:"step"`
}
tests := []struct {
name string
@ -39,8 +44,11 @@ func Test_jwkIssuer_SignToken(t *testing.T) {
args args
wantErr bool
}{
{"ok", fields{caURL, "ra@doe.org", signer}, args{"doe", []string{"doe.org"}}, false},
{"fail", fields{caURL, "ra@doe.org", &mockErrSigner{}}, args{"doe", []string{"doe.org"}}, true},
{"ok", fields{caURL, "ra@doe.org", signer}, args{"doe", []string{"doe.org"}, nil}, false},
{"ok ra", fields{caURL, "ra@doe.org", signer}, args{"doe", []string{"doe.org"}, &raInfo{
AuthorityID: "authority-id", ProvisionerID: "provisioner-id", ProvisionerType: "provisioner-type",
}}, false},
{"fail", fields{caURL, "ra@doe.org", &mockErrSigner{}}, args{"doe", []string{"doe.org"}, nil}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -49,7 +57,7 @@ func Test_jwkIssuer_SignToken(t *testing.T) {
issuer: tt.fields.issuer,
signer: tt.fields.signer,
}
got, err := i.SignToken(tt.args.subject, tt.args.sans)
got, err := i.SignToken(tt.args.subject, tt.args.sans, tt.args.info)
if (err != nil) != tt.wantErr {
t.Errorf("jwkIssuer.SignToken() error = %v, wantErr %v", err, tt.wantErr)
return
@ -65,6 +73,9 @@ func Test_jwkIssuer_SignToken(t *testing.T) {
Sub: tt.args.subject,
Sans: tt.args.sans,
}
if tt.args.info != nil {
want.Step.RA = tt.args.info
}
if err := jwt.Claims(testX5CKey.Public(), &c); err != nil {
t.Errorf("jwt.Claims() error = %v", err)
}

18
cas/stepcas/stepcas.go
View file

@ -23,6 +23,7 @@ func init() {
type StepCAS struct {
iss stepIssuer
client *ca.Client
authorityID string
fingerprint string
}
@ -59,6 +60,7 @@ func New(ctx context.Context, opts apiv1.Options) (*StepCAS, error) {
return &StepCAS{
iss: iss,
client: client,
authorityID: opts.AuthorityID,
fingerprint: opts.CertificateAuthorityFingerprint,
}, nil
}
@ -73,7 +75,17 @@ func (s *StepCAS) CreateCertificate(req *apiv1.CreateCertificateRequest) (*apiv1
return nil, errors.New("createCertificateRequest `lifetime` cannot be 0")
}
cert, chain, err := s.createCertificate(req.CSR, req.Lifetime)
var info *raInfo
if p := req.Provisioner; p != nil {
info = &raInfo{
AuthorityID: s.authorityID,
ProvisionerID: p.ProvisionerID,
ProvisionerType: p.ProvisionerType,
ProvisionerName: p.ProvisionerName,
}
}
cert, chain, err := s.createCertificate(req.CSR, req.Lifetime, info)
if err != nil {
return nil, err
}
@ -135,7 +147,7 @@ func (s *StepCAS) GetCertificateAuthority(req *apiv1.GetCertificateAuthorityRequ
}, nil
}
func (s *StepCAS) createCertificate(cr *x509.CertificateRequest, lifetime time.Duration) (*x509.Certificate, []*x509.Certificate, error) {
func (s *StepCAS) createCertificate(cr *x509.CertificateRequest, lifetime time.Duration, raInfo *raInfo) (*x509.Certificate, []*x509.Certificate, error) {
sans := make([]string, 0, len(cr.DNSNames)+len(cr.EmailAddresses)+len(cr.IPAddresses)+len(cr.URIs))
sans = append(sans, cr.DNSNames...)
sans = append(sans, cr.EmailAddresses...)
@ -151,7 +163,7 @@ func (s *StepCAS) createCertificate(cr *x509.CertificateRequest, lifetime time.D
commonName = sans[0]
}
token, err := s.iss.SignToken(commonName, sans)
token, err := s.iss.SignToken(commonName, sans, raInfo)
if err != nil {
return nil, nil, err
}

9
cas/stepcas/stepcas_test.go
View file

@ -665,6 +665,14 @@ func TestStepCAS_CreateCertificate(t *testing.T) {
Certificate: testCrt,
CertificateChain: []*x509.Certificate{testIssCrt},
}, false},
{"ok with provisioner", fields{jwk, client, testRootFingerprint}, args{&apiv1.CreateCertificateRequest{
CSR: testCR,
Lifetime: time.Hour,
Provisioner: &apiv1.ProvisionerInfo{ProvisionerID: "provisioner-id", ProvisionerType: "ACME"},
}}, &apiv1.CreateCertificateResponse{
Certificate: testCrt,
CertificateChain: []*x509.Certificate{testIssCrt},
}, false},
{"fail CSR", fields{x5c, client, testRootFingerprint}, args{&apiv1.CreateCertificateRequest{
CSR: nil,
Lifetime: time.Hour,
@ -691,6 +699,7 @@ func TestStepCAS_CreateCertificate(t *testing.T) {
s := &StepCAS{
iss: tt.fields.iss,
client: tt.fields.client,
authorityID: "authority-id",
fingerprint: tt.fields.fingerprint,
}
got, err := s.CreateCertificate(tt.args.req)

15
cas/stepcas/x5c_issuer.go
View file

@ -46,13 +46,13 @@ func newX5CIssuer(caURL *url.URL, cfg *apiv1.CertificateIssuer) (*x5cIssuer, err
}, nil
}
func (i *x5cIssuer) SignToken(subject string, sans []string) (string, error) {
func (i *x5cIssuer) SignToken(subject string, sans []string, info *raInfo) (string, error) {
aud := i.caURL.ResolveReference(&url.URL{
Path: "/1.0/sign",
Fragment: "x5c/" + i.issuer,
}).String()
return i.createToken(aud, subject, sans)
return i.createToken(aud, subject, sans, info)
}
func (i *x5cIssuer) RevokeToken(subject string) (string, error) {
@ -61,7 +61,7 @@ func (i *x5cIssuer) RevokeToken(subject string) (string, error) {
Fragment: "x5c/" + i.issuer,
}).String()
return i.createToken(aud, subject, nil)
return i.createToken(aud, subject, nil, nil)
}
func (i *x5cIssuer) Lifetime(d time.Duration) time.Duration {
@ -76,7 +76,7 @@ func (i *x5cIssuer) Lifetime(d time.Duration) time.Duration {
return d
}
func (i *x5cIssuer) createToken(aud, sub string, sans []string) (string, error) {
func (i *x5cIssuer) createToken(aud, sub string, sans []string, info *raInfo) (string, error) {
signer, err := newX5CSigner(i.certFile, i.keyFile, i.password)
if err != nil {
return "", err
@ -94,6 +94,13 @@ func (i *x5cIssuer) createToken(aud, sub string, sans []string) (string, error)
"sans": sans,
})
}
if info != nil {
builder = builder.Claims(map[string]interface{}{
"step": map[string]interface{}{
"ra": info,
},
})
}
tok, err := builder.CompactSerialize()
if err != nil {

21
cas/stepcas/x5c_issuer_test.go
View file

@ -51,11 +51,16 @@ func Test_x5cIssuer_SignToken(t *testing.T) {
type args struct {
subject string
sans []string
info *raInfo
}
type stepClaims struct {
RA *raInfo `json:"ra"`
}
type claims struct {
Aud []string `json:"aud"`
Sub string `json:"sub"`
Sans []string `json:"sans"`
Step stepClaims `json:"step"`
}
tests := []struct {
name string
@ -63,10 +68,13 @@ func Test_x5cIssuer_SignToken(t *testing.T) {
args args
wantErr bool
}{
{"ok", fields{caURL, testX5CPath, testX5CKeyPath, "X5C"}, args{"doe", []string{"doe.org"}}, false},
{"fail crt", fields{caURL, "", testX5CKeyPath, "X5C"}, args{"doe", []string{"doe.org"}}, true},
{"fail key", fields{caURL, testX5CPath, "", "X5C"}, args{"doe", []string{"doe.org"}}, true},
{"fail no signer", fields{caURL, testIssKeyPath, testIssPath, "X5C"}, args{"doe", []string{"doe.org"}}, true},
{"ok", fields{caURL, testX5CPath, testX5CKeyPath, "X5C"}, args{"doe", []string{"doe.org"}, nil}, false},
{"ok ra", fields{caURL, testX5CPath, testX5CKeyPath, "X5C"}, args{"doe", []string{"doe.org"}, &raInfo{
AuthorityID: "authority-id", ProvisionerID: "provisioner-id", ProvisionerType: "provisioner-type",
}}, false},
{"fail crt", fields{caURL, "", testX5CKeyPath, "X5C"}, args{"doe", []string{"doe.org"}, nil}, true},
{"fail key", fields{caURL, testX5CPath, "", "X5C"}, args{"doe", []string{"doe.org"}, nil}, true},
{"fail no signer", fields{caURL, testIssKeyPath, testIssPath, "X5C"}, args{"doe", []string{"doe.org"}, nil}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -76,7 +84,7 @@ func Test_x5cIssuer_SignToken(t *testing.T) {
keyFile: tt.fields.keyFile,
issuer: tt.fields.issuer,
}
got, err := i.SignToken(tt.args.subject, tt.args.sans)
got, err := i.SignToken(tt.args.subject, tt.args.sans, tt.args.info)
if (err != nil) != tt.wantErr {
t.Errorf("x5cIssuer.SignToken() error = %v, wantErr %v", err, tt.wantErr)
}
@ -91,6 +99,9 @@ func Test_x5cIssuer_SignToken(t *testing.T) {
Sub: tt.args.subject,
Sans: tt.args.sans,
}
if tt.args.info != nil {
want.Step.RA = tt.args.info
}
if err := jwt.Claims(testX5CKey.Public(), &c); err != nil {
t.Errorf("jwt.Claims() error = %v", err)
}

2
go.mod
View file

@ -48,7 +48,7 @@ require (
go.mozilla.org/pkcs7 v0.0.0-20210826202110-33d05740a352
go.step.sm/cli-utils v0.7.0
go.step.sm/crypto v0.16.2
go.step.sm/linkedca v0.16.1
go.step.sm/linkedca v0.17.0
golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3
golang.org/x/net v0.0.0-20220403103023-749bd193bc2b
golang.org/x/sys v0.0.0-20220405052023-b1e9470b6e64 // indirect

4
go.sum
View file

@ -816,8 +816,8 @@ go.step.sm/cli-utils v0.7.0/go.mod h1:Ur6bqA/yl636kCUJbp30J7Unv5JJ226eW2KqXPDwF/
go.step.sm/crypto v0.9.0/go.mod h1:+CYG05Mek1YDqi5WK0ERc6cOpKly2i/a5aZmU1sfGj0=
go.step.sm/crypto v0.16.2 h1:Pr9aazTwWBBZNogUsOqhOrPSdwAa9pPs+lMB602lnDA=
go.step.sm/crypto v0.16.2/go.mod h1:1WkTOTY+fOX/RY4TnZREp6trQAsBHRQ7nu6QJBiNQF8=
go.step.sm/linkedca v0.16.1 h1:CdbMV5SjnlRsgeYTXaaZmQCkYIgJq8BOzpewri57M2k=
go.step.sm/linkedca v0.16.1/go.mod h1:W59ucS4vFpuR0g4PtkGbbtXAwxbDEnNCg+ovkej1ANM=
go.step.sm/linkedca v0.17.0 h1:90XYS0cPCVilsS1udTOph7TVnsNVVPK/gb66VIAP4RU=
go.step.sm/linkedca v0.17.0/go.mod h1:W59ucS4vFpuR0g4PtkGbbtXAwxbDEnNCg+ovkej1ANM=
go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=