Merge pull request #941 from smallstep/ssh-provisioner

Report SSH provisioner
This commit is contained in:
Mariano Cano 2022-05-20 12:24:30 -07:00 committed by GitHub
commit 3c4d0412ef
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
20 changed files with 110 additions and 28 deletions

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@ -1034,7 +1034,7 @@ func TestAuthority_authorizeSSHSign(t *testing.T) {
} }
} else { } else {
if assert.Nil(t, tc.err) { if assert.Nil(t, tc.err) {
assert.Len(t, 8, got) // number of provisioner.SignOptions returned assert.Len(t, 9, got) // number of provisioner.SignOptions returned
} }
} }
}) })

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@ -289,18 +289,29 @@ func (c *linkedCaClient) StoreRenewedCertificate(parent *x509.Certificate, fullc
PemCertificateChain: serializeCertificateChain(fullchain[1:]...), PemCertificateChain: serializeCertificateChain(fullchain[1:]...),
PemParentCertificate: serializeCertificateChain(parent), PemParentCertificate: serializeCertificateChain(parent),
}) })
return errors.Wrap(err, "error posting certificate") return errors.Wrap(err, "error posting renewed certificate")
} }
func (c *linkedCaClient) StoreSSHCertificate(crt *ssh.Certificate) error { func (c *linkedCaClient) StoreSSHCertificate(prov provisioner.Interface, crt *ssh.Certificate) error {
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second) ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel() defer cancel()
_, err := c.client.PostSSHCertificate(ctx, &linkedca.SSHCertificateRequest{ _, err := c.client.PostSSHCertificate(ctx, &linkedca.SSHCertificateRequest{
Certificate: string(ssh.MarshalAuthorizedKey(crt)), Certificate: string(ssh.MarshalAuthorizedKey(crt)),
Provisioner: createProvisionerIdentity(prov),
}) })
return errors.Wrap(err, "error posting ssh certificate") return errors.Wrap(err, "error posting ssh certificate")
} }
func (c *linkedCaClient) StoreRenewedSSHCertificate(parent, crt *ssh.Certificate) error {
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel()
_, err := c.client.PostSSHCertificate(ctx, &linkedca.SSHCertificateRequest{
Certificate: string(ssh.MarshalAuthorizedKey(crt)),
ParentCertificate: string(ssh.MarshalAuthorizedKey(parent)),
})
return errors.Wrap(err, "error posting renewed ssh certificate")
}
func (c *linkedCaClient) Revoke(crt *x509.Certificate, rci *db.RevokedCertificateInfo) error { func (c *linkedCaClient) Revoke(crt *x509.Certificate, rci *db.RevokedCertificateInfo) error {
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second) ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel() defer cancel()

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@ -747,6 +747,7 @@ func (p *AWS) AuthorizeSSHSign(ctx context.Context, token string) ([]SignOption,
signOptions = append(signOptions, templateOptions) signOptions = append(signOptions, templateOptions)
return append(signOptions, return append(signOptions,
p,
// Validate user SignSSHOptions. // Validate user SignSSHOptions.
sshCertOptionsValidator(defaults), sshCertOptionsValidator(defaults),
// Set the validity bounds if not set. // Set the validity bounds if not set.

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@ -813,7 +813,6 @@ func TestAWS_AuthorizeSSHSign(t *testing.T) {
} else if assert.NotNil(t, got) { } else if assert.NotNil(t, got) {
cert, err := signSSHCertificate(tt.args.key, tt.args.sshOpts, got, signer.Key.(crypto.Signer)) cert, err := signSSHCertificate(tt.args.key, tt.args.sshOpts, got, signer.Key.(crypto.Signer))
if (err != nil) != tt.wantSignErr { if (err != nil) != tt.wantSignErr {
t.Errorf("SignSSH error = %v, wantSignErr %v", err, tt.wantSignErr) t.Errorf("SignSSH error = %v, wantSignErr %v", err, tt.wantSignErr)
} else { } else {
if tt.wantSignErr { if tt.wantSignErr {

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@ -418,6 +418,7 @@ func (p *Azure) AuthorizeSSHSign(ctx context.Context, token string) ([]SignOptio
signOptions = append(signOptions, templateOptions) signOptions = append(signOptions, templateOptions)
return append(signOptions, return append(signOptions,
p,
// Validate user SignSSHOptions. // Validate user SignSSHOptions.
sshCertOptionsValidator(defaults), sshCertOptionsValidator(defaults),
// Set the validity bounds if not set. // Set the validity bounds if not set.

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@ -425,6 +425,7 @@ func (p *GCP) AuthorizeSSHSign(ctx context.Context, token string) ([]SignOption,
signOptions = append(signOptions, templateOptions) signOptions = append(signOptions, templateOptions)
return append(signOptions, return append(signOptions,
p,
// Validate user SignSSHOptions. // Validate user SignSSHOptions.
sshCertOptionsValidator(defaults), sshCertOptionsValidator(defaults),
// Set the validity bounds if not set. // Set the validity bounds if not set.

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@ -257,6 +257,7 @@ func (p *JWK) AuthorizeSSHSign(ctx context.Context, token string) ([]SignOption,
} }
return append(signOptions, return append(signOptions,
p,
// Set the validity bounds if not set. // Set the validity bounds if not set.
&sshDefaultDuration{p.ctl.Claimer}, &sshDefaultDuration{p.ctl.Claimer},
// Validate public key // Validate public key

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@ -275,6 +275,7 @@ func (p *K8sSA) AuthorizeSSHSign(ctx context.Context, token string) ([]SignOptio
signOptions := []SignOption{templateOptions} signOptions := []SignOption{templateOptions}
return append(signOptions, return append(signOptions,
p,
// Require type, key-id and principals in the SignSSHOptions. // Require type, key-id and principals in the SignSSHOptions.
&sshCertOptionsRequireValidator{CertType: true, KeyID: true, Principals: true}, &sshCertOptionsRequireValidator{CertType: true, KeyID: true, Principals: true},
// Set the validity bounds if not set. // Set the validity bounds if not set.

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@ -368,9 +368,10 @@ func TestK8sSA_AuthorizeSSHSign(t *testing.T) {
} else { } else {
if assert.Nil(t, tc.err) { if assert.Nil(t, tc.err) {
if assert.NotNil(t, opts) { if assert.NotNil(t, opts) {
assert.Len(t, 7, opts) assert.Len(t, 8, opts)
for _, o := range opts { for _, o := range opts {
switch v := o.(type) { switch v := o.(type) {
case Interface:
case sshCertificateOptionsFunc: case sshCertificateOptionsFunc:
case *sshCertOptionsRequireValidator: case *sshCertOptionsRequireValidator:
assert.Equals(t, v, &sshCertOptionsRequireValidator{CertType: true, KeyID: true, Principals: true}) assert.Equals(t, v, &sshCertOptionsRequireValidator{CertType: true, KeyID: true, Principals: true})

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@ -250,6 +250,7 @@ func (p *Nebula) AuthorizeSSHSign(ctx context.Context, token string) ([]SignOpti
} }
return append(signOptions, return append(signOptions,
p,
templateOptions, templateOptions,
// Checks the validity bounds, and set the validity if has not been set. // Checks the validity bounds, and set the validity if has not been set.
&sshLimitDuration{p.ctl.Claimer, crt.Details.NotAfter}, &sshLimitDuration{p.ctl.Claimer, crt.Details.NotAfter},

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@ -50,7 +50,7 @@ func (p *noop) AuthorizeRevoke(ctx context.Context, token string) error {
} }
func (p *noop) AuthorizeSSHSign(ctx context.Context, token string) ([]SignOption, error) { func (p *noop) AuthorizeSSHSign(ctx context.Context, token string) ([]SignOption, error) {
return []SignOption{}, nil return []SignOption{p}, nil
} }
func (p *noop) AuthorizeSSHRenew(ctx context.Context, token string) (*ssh.Certificate, error) { func (p *noop) AuthorizeSSHRenew(ctx context.Context, token string) (*ssh.Certificate, error) {

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@ -434,6 +434,7 @@ func (o *OIDC) AuthorizeSSHSign(ctx context.Context, token string) ([]SignOption
} }
return append(signOptions, return append(signOptions,
o,
// Set the validity bounds if not set. // Set the validity bounds if not set.
&sshDefaultDuration{o.ctl.Claimer}, &sshDefaultDuration{o.ctl.Claimer},
// Validate public key // Validate public key

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@ -53,6 +53,7 @@ func signSSHCertificate(key crypto.PublicKey, opts SignSSHOptions, signOpts []Si
for _, op := range signOpts { for _, op := range signOpts {
switch o := op.(type) { switch o := op.(type) {
case Interface:
// add options to NewCertificate // add options to NewCertificate
case SSHCertificateOptions: case SSHCertificateOptions:
certOptions = append(certOptions, o.Options(opts)...) certOptions = append(certOptions, o.Options(opts)...)

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@ -312,6 +312,7 @@ func (p *X5C) AuthorizeSSHSign(ctx context.Context, token string) ([]SignOption,
} }
return append(signOptions, return append(signOptions,
p,
// Checks the validity bounds, and set the validity if has not been set. // Checks the validity bounds, and set the validity if has not been set.
&sshLimitDuration{p.ctl.Claimer, claims.chains[0][0].NotAfter}, &sshLimitDuration{p.ctl.Claimer, claims.chains[0][0].NotAfter},
// Validate public key. // Validate public key.

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@ -769,6 +769,7 @@ func TestX5C_AuthorizeSSHSign(t *testing.T) {
nw := now() nw := now()
for _, o := range opts { for _, o := range opts {
switch v := o.(type) { switch v := o.(type) {
case Interface:
case sshCertOptionsValidator: case sshCertOptionsValidator:
tc.claims.Step.SSH.ValidAfter.t = time.Time{} tc.claims.Step.SSH.ValidAfter.t = time.Time{}
tc.claims.Step.SSH.ValidBefore.t = time.Time{} tc.claims.Step.SSH.ValidBefore.t = time.Time{}
@ -799,9 +800,9 @@ func TestX5C_AuthorizeSSHSign(t *testing.T) {
tot++ tot++
} }
if len(tc.claims.Step.SSH.CertType) > 0 { if len(tc.claims.Step.SSH.CertType) > 0 {
assert.Equals(t, tot, 10) assert.Equals(t, tot, 11)
} else { } else {
assert.Equals(t, tot, 8) assert.Equals(t, tot, 9)
} }
} }
} }

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@ -161,8 +161,13 @@ func (a *Authority) SignSSH(ctx context.Context, key ssh.PublicKey, opts provisi
// Set backdate with the configured value // Set backdate with the configured value
opts.Backdate = a.config.AuthorityConfig.Backdate.Duration opts.Backdate = a.config.AuthorityConfig.Backdate.Duration
var prov provisioner.Interface
for _, op := range signOpts { for _, op := range signOpts {
switch o := op.(type) { switch o := op.(type) {
// Capture current provisioner
case provisioner.Interface:
prov = o
// add options to NewCertificate // add options to NewCertificate
case provisioner.SSHCertificateOptions: case provisioner.SSHCertificateOptions:
certOptions = append(certOptions, o.Options(opts)...) certOptions = append(certOptions, o.Options(opts)...)
@ -276,7 +281,7 @@ func (a *Authority) SignSSH(ctx context.Context, key ssh.PublicKey, opts provisi
} }
} }
if err = a.storeSSHCertificate(cert); err != nil && err != db.ErrNotImplemented { if err = a.storeSSHCertificate(prov, cert); err != nil && err != db.ErrNotImplemented {
return nil, errs.Wrap(http.StatusInternalServerError, err, "authority.SignSSH: error storing certificate in db") return nil, errs.Wrap(http.StatusInternalServerError, err, "authority.SignSSH: error storing certificate in db")
} }
@ -340,7 +345,7 @@ func (a *Authority) RenewSSH(ctx context.Context, oldCert *ssh.Certificate) (*ss
return nil, errs.Wrap(http.StatusInternalServerError, err, "signSSH: error signing certificate") return nil, errs.Wrap(http.StatusInternalServerError, err, "signSSH: error signing certificate")
} }
if err = a.storeSSHCertificate(cert); err != nil && err != db.ErrNotImplemented { if err = a.storeRenewedSSHCertificate(oldCert, cert); err != nil && err != db.ErrNotImplemented {
return nil, errs.Wrap(http.StatusInternalServerError, err, "renewSSH: error storing certificate in db") return nil, errs.Wrap(http.StatusInternalServerError, err, "renewSSH: error storing certificate in db")
} }
@ -419,21 +424,59 @@ func (a *Authority) RekeySSH(ctx context.Context, oldCert *ssh.Certificate, pub
} }
} }
if err = a.storeSSHCertificate(cert); err != nil && err != db.ErrNotImplemented { if err = a.storeRenewedSSHCertificate(oldCert, cert); err != nil && err != db.ErrNotImplemented {
return nil, errs.Wrap(http.StatusInternalServerError, err, "rekeySSH; error storing certificate in db") return nil, errs.Wrap(http.StatusInternalServerError, err, "rekeySSH; error storing certificate in db")
} }
return cert, nil return cert, nil
} }
func (a *Authority) storeSSHCertificate(cert *ssh.Certificate) error { func (a *Authority) storeSSHCertificate(prov provisioner.Interface, cert *ssh.Certificate) error {
type sshCertificateStorer interface { type sshCertificateStorer interface {
StoreSSHCertificate(crt *ssh.Certificate) error StoreSSHCertificate(provisioner.Interface, *ssh.Certificate) error
} }
if s, ok := a.adminDB.(sshCertificateStorer); ok {
// Store certificate in admindb or linkedca
switch s := a.adminDB.(type) {
case sshCertificateStorer:
return s.StoreSSHCertificate(prov, cert)
case db.CertificateStorer:
return s.StoreSSHCertificate(cert) return s.StoreSSHCertificate(cert)
} }
return a.db.StoreSSHCertificate(cert)
// Store certificate in localdb
switch s := a.db.(type) {
case sshCertificateStorer:
return s.StoreSSHCertificate(prov, cert)
case db.CertificateStorer:
return s.StoreSSHCertificate(cert)
default:
return nil
}
}
func (a *Authority) storeRenewedSSHCertificate(parent, cert *ssh.Certificate) error {
type sshRenewerCertificateStorer interface {
StoreRenewedSSHCertificate(parent, cert *ssh.Certificate) error
}
// Store certificate in admindb or linkedca
switch s := a.adminDB.(type) {
case sshRenewerCertificateStorer:
return s.StoreRenewedSSHCertificate(parent, cert)
case db.CertificateStorer:
return s.StoreSSHCertificate(cert)
}
// Store certificate in localdb
switch s := a.db.(type) {
case sshRenewerCertificateStorer:
return s.StoreRenewedSSHCertificate(parent, cert)
case db.CertificateStorer:
return s.StoreSSHCertificate(cert)
default:
return nil
}
} }
// IsValidForAddUser checks if a user provisioner certificate can be issued to // IsValidForAddUser checks if a user provisioner certificate can be issued to
@ -511,7 +554,7 @@ func (a *Authority) SignSSHAddUser(ctx context.Context, key ssh.PublicKey, subje
} }
cert.Signature = sig cert.Signature = sig
if err = a.storeSSHCertificate(cert); err != nil && err != db.ErrNotImplemented { if err = a.storeRenewedSSHCertificate(subject, cert); err != nil && err != db.ErrNotImplemented {
return nil, errs.Wrap(http.StatusInternalServerError, err, "signSSHAddUser: error storing certificate in db") return nil, errs.Wrap(http.StatusInternalServerError, err, "signSSHAddUser: error storing certificate in db")
} }

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@ -365,28 +365,31 @@ func (a *Authority) Rekey(oldCert *x509.Certificate, pk crypto.PublicKey) ([]*x5
// `StoreCertificate(...*x509.Certificate) error` instead of just // `StoreCertificate(...*x509.Certificate) error` instead of just
// `StoreCertificate(*x509.Certificate) error`. // `StoreCertificate(*x509.Certificate) error`.
func (a *Authority) storeCertificate(prov provisioner.Interface, fullchain []*x509.Certificate) error { func (a *Authority) storeCertificate(prov provisioner.Interface, fullchain []*x509.Certificate) error {
type linkedChainStorer interface { type certificateChainStorer interface {
StoreCertificateChain(provisioner.Interface, ...*x509.Certificate) error StoreCertificateChain(provisioner.Interface, ...*x509.Certificate) error
} }
type certificateChainStorer interface { type certificateChainSimpleStorer interface {
StoreCertificateChain(...*x509.Certificate) error StoreCertificateChain(...*x509.Certificate) error
} }
// Store certificate in linkedca // Store certificate in linkedca
switch s := a.adminDB.(type) { switch s := a.adminDB.(type) {
case linkedChainStorer:
return s.StoreCertificateChain(prov, fullchain...)
case certificateChainStorer: case certificateChainStorer:
return s.StoreCertificateChain(prov, fullchain...)
case certificateChainSimpleStorer:
return s.StoreCertificateChain(fullchain...) return s.StoreCertificateChain(fullchain...)
} }
// Store certificate in local db // Store certificate in local db
switch s := a.db.(type) { switch s := a.db.(type) {
case linkedChainStorer:
return s.StoreCertificateChain(prov, fullchain...)
case certificateChainStorer: case certificateChainStorer:
return s.StoreCertificateChain(prov, fullchain...)
case certificateChainSimpleStorer:
return s.StoreCertificateChain(fullchain...) return s.StoreCertificateChain(fullchain...)
case db.CertificateStorer:
return s.StoreCertificate(fullchain[0])
default: default:
return a.db.StoreCertificate(fullchain[0]) return nil
} }
} }
@ -398,15 +401,21 @@ func (a *Authority) storeRenewedCertificate(oldCert *x509.Certificate, fullchain
type renewedCertificateChainStorer interface { type renewedCertificateChainStorer interface {
StoreRenewedCertificate(*x509.Certificate, ...*x509.Certificate) error StoreRenewedCertificate(*x509.Certificate, ...*x509.Certificate) error
} }
// Store certificate in linkedca // Store certificate in linkedca
if s, ok := a.adminDB.(renewedCertificateChainStorer); ok { if s, ok := a.adminDB.(renewedCertificateChainStorer); ok {
return s.StoreRenewedCertificate(oldCert, fullchain...) return s.StoreRenewedCertificate(oldCert, fullchain...)
} }
// Store certificate in local db // Store certificate in local db
if s, ok := a.db.(renewedCertificateChainStorer); ok { switch s := a.db.(type) {
case renewedCertificateChainStorer:
return s.StoreRenewedCertificate(oldCert, fullchain...) return s.StoreRenewedCertificate(oldCert, fullchain...)
case db.CertificateStorer:
return s.StoreCertificate(fullchain[0])
default:
return nil
} }
return a.db.StoreCertificate(fullchain[0])
} }
// RevokeOptions are the options for the Revoke API. // RevokeOptions are the options for the Revoke API.

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@ -7,6 +7,7 @@ import (
"net" "net"
"net/http" "net/http"
"net/http/httptest" "net/http/httptest"
"os"
"reflect" "reflect"
"strings" "strings"
"sync" "sync"
@ -370,6 +371,9 @@ func TestBootstrapClient(t *testing.T) {
} }
func TestBootstrapClientServerRotation(t *testing.T) { func TestBootstrapClientServerRotation(t *testing.T) {
if os.Getenv("CI") == "true" {
t.Skipf("skip until we fix https://github.com/smallstep/certificates/issues/873")
}
reset := setMinCertDuration(1 * time.Second) reset := setMinCertDuration(1 * time.Second)
defer reset() defer reset()

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@ -50,14 +50,19 @@ type AuthDB interface {
Revoke(rci *RevokedCertificateInfo) error Revoke(rci *RevokedCertificateInfo) error
RevokeSSH(rci *RevokedCertificateInfo) error RevokeSSH(rci *RevokedCertificateInfo) error
GetCertificate(serialNumber string) (*x509.Certificate, error) GetCertificate(serialNumber string) (*x509.Certificate, error)
StoreCertificate(crt *x509.Certificate) error
UseToken(id, tok string) (bool, error) UseToken(id, tok string) (bool, error)
IsSSHHost(name string) (bool, error) IsSSHHost(name string) (bool, error)
StoreSSHCertificate(crt *ssh.Certificate) error
GetSSHHostPrincipals() ([]string, error) GetSSHHostPrincipals() ([]string, error)
Shutdown() error Shutdown() error
} }
// CertificateStorer is an extension of AuthDB that allows to store
// certificates.
type CertificateStorer interface {
StoreCertificate(crt *x509.Certificate) error
StoreSSHCertificate(crt *ssh.Certificate) error
}
// DB is a wrapper over the nosql.DB interface. // DB is a wrapper over the nosql.DB interface.
type DB struct { type DB struct {
nosql.DB nosql.DB

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@ -20,7 +20,7 @@ type SimpleDB struct {
usedTokens *sync.Map usedTokens *sync.Map
} }
func newSimpleDB(c *Config) (AuthDB, error) { func newSimpleDB(c *Config) (*SimpleDB, error) {
db := &SimpleDB{} db := &SimpleDB{}
db.usedTokens = new(sync.Map) db.usedTokens = new(sync.Map)
return db, nil return db, nil