559 lines
17 KiB
Go
559 lines
17 KiB
Go
package mgmt
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import (
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"context"
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"encoding/json"
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"fmt"
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"github.com/smallstep/certificates/authority/provisioner"
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"github.com/smallstep/certificates/authority/status"
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"go.step.sm/crypto/jose"
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)
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type ProvisionerOption func(*ProvisionerCtx)
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type ProvisionerType string
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var (
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ProvisionerTypeACME = ProvisionerType("ACME")
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ProvisionerTypeAWS = ProvisionerType("AWS")
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ProvisionerTypeAZURE = ProvisionerType("AZURE")
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ProvisionerTypeGCP = ProvisionerType("GCP")
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ProvisionerTypeJWK = ProvisionerType("JWK")
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ProvisionerTypeK8SSA = ProvisionerType("K8SSA")
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ProvisionerTypeOIDC = ProvisionerType("OIDC")
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ProvisionerTypeSSHPOP = ProvisionerType("SSHPOP")
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ProvisionerTypeX5C = ProvisionerType("X5C")
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)
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type unmarshalProvisioner struct {
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ID string `json:"-"`
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AuthorityID string `json:"-"`
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Type string `json:"type"`
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Name string `json:"name"`
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Claims *Claims `json:"claims"`
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Details json.RawMessage `json:"details"`
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X509Template string `json:"x509Template"`
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X509TemplateData []byte `json:"x509TemplateData"`
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SSHTemplate string `json:"sshTemplate"`
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SSHTemplateData []byte `json:"sshTemplateData"`
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Status status.Type `json:"status"`
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}
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// Provisioner type.
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type Provisioner struct {
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ID string `json:"-"`
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AuthorityID string `json:"-"`
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Type string `json:"type"`
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Name string `json:"name"`
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Claims *Claims `json:"claims"`
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Details ProvisionerDetails `json:"details"`
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X509Template string `json:"x509Template"`
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X509TemplateData []byte `json:"x509TemplateData"`
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SSHTemplate string `json:"sshTemplate"`
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SSHTemplateData []byte `json:"sshTemplateData"`
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Status status.Type `json:"status"`
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}
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type typ struct {
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Type ProvisionerType `json:"type"`
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}
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// UnmarshalJSON implements the Unmarshal interface.
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func (p *Provisioner) UnmarshalJSON(b []byte) error {
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var (
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err error
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up = new(unmarshalProvisioner)
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)
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if err = json.Unmarshal(b, up); err != nil {
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return WrapErrorISE(err, "error unmarshaling provisioner to intermediate type")
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}
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p.Details, err = UnmarshalProvisionerDetails(up.Details)
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if err = json.Unmarshal(b, up); err != nil {
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return WrapErrorISE(err, "error unmarshaling provisioner details")
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}
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p.ID = up.ID
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p.AuthorityID = up.AuthorityID
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p.Type = up.Type
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p.Name = up.Name
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p.Claims = up.Claims
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p.X509Template = up.X509Template
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p.X509TemplateData = up.X509TemplateData
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p.SSHTemplate = up.SSHTemplate
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p.SSHTemplateData = up.SSHTemplateData
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p.Status = up.Status
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return nil
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}
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func (p *Provisioner) GetOptions() *provisioner.Options {
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return &provisioner.Options{
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X509: &provisioner.X509Options{
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Template: p.X509Template,
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TemplateData: p.X509TemplateData,
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},
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SSH: &provisioner.SSHOptions{
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Template: p.SSHTemplate,
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TemplateData: p.SSHTemplateData,
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},
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}
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}
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func CreateProvisioner(ctx context.Context, db DB, typ, name string, opts ...ProvisionerOption) (*Provisioner, error) {
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pc := NewProvisionerCtx(opts...)
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details, err := NewProvisionerDetails(ProvisionerType(typ), pc)
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if err != nil {
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return nil, err
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}
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p := &Provisioner{
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Type: typ,
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Name: name,
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Claims: pc.Claims,
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Details: details,
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X509Template: pc.X509Template,
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X509TemplateData: pc.X509TemplateData,
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SSHTemplate: pc.SSHTemplate,
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SSHTemplateData: pc.SSHTemplateData,
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Status: status.Active,
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}
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if err := db.CreateProvisioner(ctx, p); err != nil {
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return nil, WrapErrorISE(err, "error creating provisioner")
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}
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return p, nil
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}
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type ProvisionerCtx struct {
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JWK *jose.JSONWebKey
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JWE *jose.JSONWebEncryption
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X509Template, SSHTemplate string
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X509TemplateData, SSHTemplateData []byte
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Claims *Claims
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Password string
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}
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func NewProvisionerCtx(opts ...ProvisionerOption) *ProvisionerCtx {
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pc := &ProvisionerCtx{
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Claims: NewDefaultClaims(),
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}
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for _, o := range opts {
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o(pc)
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}
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return pc
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}
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func WithJWK(jwk *jose.JSONWebKey, jwe *jose.JSONWebEncryption) func(*ProvisionerCtx) {
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return func(ctx *ProvisionerCtx) {
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ctx.JWK = jwk
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ctx.JWE = jwe
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}
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}
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func WithPassword(pass string) func(*ProvisionerCtx) {
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return func(ctx *ProvisionerCtx) {
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ctx.Password = pass
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}
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}
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// ProvisionerDetails is the interface implemented by all provisioner details
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// attributes.
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type ProvisionerDetails interface {
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isProvisionerDetails()
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}
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// ProvisionerDetailsJWK represents the values required by a JWK provisioner.
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type ProvisionerDetailsJWK struct {
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Type ProvisionerType `json:"type"`
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PublicKey []byte `json:"publicKey"`
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PrivateKey string `json:"PrivateKey"`
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}
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// ProvisionerDetailsOIDC represents the values required by a OIDC provisioner.
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type ProvisionerDetailsOIDC struct {
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Type ProvisionerType `json:"type"`
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ClientID string `json:"clientID"`
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ClientSecret string `json:"clientSecret"`
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ConfigurationEndpoint string `json:"configurationEndpoint"`
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Admins []string `json:"admins"`
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Domains []string `json:"domains"`
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Groups []string `json:"groups"`
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ListenAddress string `json:"listenAddress"`
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TenantID string `json:"tenantID"`
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}
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// ProvisionerDetailsGCP represents the values required by a GCP provisioner.
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type ProvisionerDetailsGCP struct {
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Type ProvisionerType `json:"type"`
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ServiceAccounts []string `json:"serviceAccounts"`
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ProjectIDs []string `json:"projectIDs"`
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DisableCustomSANs bool `json:"disableCustomSANs"`
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DisableTrustOnFirstUse bool `json:"disableTrustOnFirstUse"`
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InstanceAge string `json:"instanceAge"`
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}
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// ProvisionerDetailsAWS represents the values required by a AWS provisioner.
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type ProvisionerDetailsAWS struct {
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Type ProvisionerType `json:"type"`
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Accounts []string `json:"accounts"`
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DisableCustomSANs bool `json:"disableCustomSANs"`
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DisableTrustOnFirstUse bool `json:"disableTrustOnFirstUse"`
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InstanceAge string `json:"instanceAge"`
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}
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// ProvisionerDetailsAzure represents the values required by a Azure provisioner.
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type ProvisionerDetailsAzure struct {
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Type ProvisionerType `json:"type"`
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ResourceGroups []string `json:"resourceGroups"`
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Audience string `json:"audience"`
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DisableCustomSANs bool `json:"disableCustomSANs"`
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DisableTrustOnFirstUse bool `json:"disableTrustOnFirstUse"`
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}
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// ProvisionerDetailsACME represents the values required by a ACME provisioner.
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type ProvisionerDetailsACME struct {
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Type ProvisionerType `json:"type"`
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ForceCN bool `json:"forceCN"`
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}
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// ProvisionerDetailsX5C represents the values required by a X5C provisioner.
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type ProvisionerDetailsX5C struct {
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Type ProvisionerType `json:"type"`
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Roots []byte `json:"roots"`
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}
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// ProvisionerDetailsK8SSA represents the values required by a K8SSA provisioner.
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type ProvisionerDetailsK8SSA struct {
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Type ProvisionerType `json:"type"`
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PublicKeys []byte `json:"publicKeys"`
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}
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// ProvisionerDetailsSSHPOP represents the values required by a SSHPOP provisioner.
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type ProvisionerDetailsSSHPOP struct {
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Type ProvisionerType `json:"type"`
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}
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func (*ProvisionerDetailsJWK) isProvisionerDetails() {}
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func (*ProvisionerDetailsOIDC) isProvisionerDetails() {}
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func (*ProvisionerDetailsGCP) isProvisionerDetails() {}
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func (*ProvisionerDetailsAWS) isProvisionerDetails() {}
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func (*ProvisionerDetailsAzure) isProvisionerDetails() {}
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func (*ProvisionerDetailsACME) isProvisionerDetails() {}
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func (*ProvisionerDetailsX5C) isProvisionerDetails() {}
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func (*ProvisionerDetailsK8SSA) isProvisionerDetails() {}
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func (*ProvisionerDetailsSSHPOP) isProvisionerDetails() {}
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func NewProvisionerDetails(typ ProvisionerType, pc *ProvisionerCtx) (ProvisionerDetails, error) {
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switch typ {
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case ProvisionerTypeJWK:
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return createJWKDetails(pc)
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/*
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case ProvisionerTypeOIDC:
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return createOIDCDetails(pc)
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case ProvisionerTypeACME:
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return createACMEDetails(pc)
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case ProvisionerTypeK8SSA:
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return createK8SSADetails(pc)
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case ProvisionerTypeSSHPOP:
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return createSSHPOPDetails(pc)
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case ProvisionerTypeX5C:
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return createSSHPOPDetails(pc)
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*/
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default:
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return nil, NewErrorISE("unsupported provisioner type %s", typ)
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}
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}
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func createJWKDetails(pc *ProvisionerCtx) (*ProvisionerDetailsJWK, error) {
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var err error
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if pc.JWK != nil && pc.JWE == nil {
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return nil, NewErrorISE("JWE is required with JWK for createJWKProvisioner")
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}
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if pc.JWE != nil && pc.JWK == nil {
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return nil, NewErrorISE("JWK is required with JWE for createJWKProvisioner")
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}
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if pc.JWK == nil && pc.JWE == nil {
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// Create a new JWK w/ encrypted private key.
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if pc.Password == "" {
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return nil, NewErrorISE("password is required to provisioner with new keys")
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}
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pc.JWK, pc.JWE, err = jose.GenerateDefaultKeyPair([]byte(pc.Password))
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if err != nil {
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return nil, WrapErrorISE(err, "error generating JWK key pair")
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}
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}
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jwkPubBytes, err := pc.JWK.MarshalJSON()
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if err != nil {
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return nil, WrapErrorISE(err, "error marshaling JWK")
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}
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jwePrivStr, err := pc.JWE.CompactSerialize()
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if err != nil {
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return nil, WrapErrorISE(err, "error serializing JWE")
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}
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return &ProvisionerDetailsJWK{
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Type: ProvisionerTypeJWK,
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PublicKey: jwkPubBytes,
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PrivateKey: jwePrivStr,
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}, nil
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}
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func createACMEDetails(pc *ProvisionerCtx) (*ProvisionerDetailsJWK, error) {
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var err error
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if pc.JWK != nil && pc.JWE == nil {
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return nil, NewErrorISE("JWE is required with JWK for createJWKProvisioner")
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}
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if pc.JWE != nil && pc.JWK == nil {
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return nil, NewErrorISE("JWK is required with JWE for createJWKProvisioner")
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}
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if pc.JWK == nil && pc.JWE == nil {
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// Create a new JWK w/ encrypted private key.
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if pc.Password == "" {
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return nil, NewErrorISE("password is required to provisioner with new keys")
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}
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pc.JWK, pc.JWE, err = jose.GenerateDefaultKeyPair([]byte(pc.Password))
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if err != nil {
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return nil, WrapErrorISE(err, "error generating JWK key pair")
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}
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}
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jwkPubBytes, err := pc.JWK.MarshalJSON()
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if err != nil {
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return nil, WrapErrorISE(err, "error marshaling JWK")
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}
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jwePrivStr, err := pc.JWE.CompactSerialize()
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if err != nil {
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return nil, WrapErrorISE(err, "error serializing JWE")
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}
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return &ProvisionerDetailsJWK{
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Type: ProvisionerTypeJWK,
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PublicKey: jwkPubBytes,
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PrivateKey: jwePrivStr,
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}, nil
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}
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// ToCertificates converts the landlord provisioner type to the open source
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// provisioner type.
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func (p *Provisioner) ToCertificates() (provisioner.Interface, error) {
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claims, err := p.Claims.ToCertificates()
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if err != nil {
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return nil, err
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}
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switch details := p.Details.(type) {
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case *ProvisionerDetailsJWK:
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jwk := new(jose.JSONWebKey)
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if err := json.Unmarshal(details.PublicKey, &jwk); err != nil {
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return nil, err
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}
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return &provisioner.JWK{
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ID: p.ID,
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Type: p.Type,
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Name: p.Name,
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Key: jwk,
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EncryptedKey: details.PrivateKey,
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Claims: claims,
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Options: p.GetOptions(),
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}, nil
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/*
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case *ProvisionerDetails_OIDC:
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cfg := d.OIDC
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return &provisioner.OIDC{
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Type: p.Type.String(),
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Name: p.Name,
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TenantID: cfg.TenantId,
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ClientID: cfg.ClientId,
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ClientSecret: cfg.ClientSecret,
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ConfigurationEndpoint: cfg.ConfigurationEndpoint,
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Admins: cfg.Admins,
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Domains: cfg.Domains,
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Groups: cfg.Groups,
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ListenAddress: cfg.ListenAddress,
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Claims: claims,
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Options: options,
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}, nil
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case *ProvisionerDetails_GCP:
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cfg := d.GCP
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return &provisioner.GCP{
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Type: p.Type.String(),
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Name: p.Name,
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ServiceAccounts: cfg.ServiceAccounts,
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ProjectIDs: cfg.ProjectIds,
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DisableCustomSANs: cfg.DisableCustomSans,
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DisableTrustOnFirstUse: cfg.DisableTrustOnFirstUse,
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InstanceAge: durationValue(cfg.InstanceAge),
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Claims: claims,
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Options: options,
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}, nil
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case *ProvisionerDetails_AWS:
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cfg := d.AWS
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return &provisioner.AWS{
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Type: p.Type.String(),
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Name: p.Name,
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Accounts: cfg.Accounts,
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DisableCustomSANs: cfg.DisableCustomSans,
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DisableTrustOnFirstUse: cfg.DisableTrustOnFirstUse,
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InstanceAge: durationValue(cfg.InstanceAge),
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Claims: claims,
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Options: options,
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}, nil
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case *ProvisionerDetails_Azure:
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cfg := d.Azure
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return &provisioner.Azure{
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Type: p.Type.String(),
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Name: p.Name,
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TenantID: cfg.TenantId,
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ResourceGroups: cfg.ResourceGroups,
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Audience: cfg.Audience,
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DisableCustomSANs: cfg.DisableCustomSans,
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DisableTrustOnFirstUse: cfg.DisableTrustOnFirstUse,
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Claims: claims,
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Options: options,
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}, nil
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case *ProvisionerDetails_X5C:
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var roots []byte
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for i, k := range d.X5C.GetRoots() {
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if b := k.GetKey().GetPublic(); b != nil {
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if i > 0 {
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roots = append(roots, '\n')
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}
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roots = append(roots, b...)
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}
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}
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return &provisioner.X5C{
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Type: p.Type.String(),
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Name: p.Name,
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Roots: roots,
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Claims: claims,
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Options: options,
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}, nil
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case *ProvisionerDetails_K8SSA:
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var publicKeys []byte
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for i, k := range d.K8SSA.GetPublicKeys() {
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if b := k.GetKey().GetPublic(); b != nil {
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if i > 0 {
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publicKeys = append(publicKeys, '\n')
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}
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publicKeys = append(publicKeys, k.Key.Public...)
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}
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}
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return &provisioner.K8sSA{
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Type: p.Type.String(),
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Name: p.Name,
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PubKeys: publicKeys,
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Claims: claims,
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Options: options,
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}, nil
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case *ProvisionerDetails_SSHPOP:
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return &provisioner.SSHPOP{
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Type: p.Type.String(),
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Name: p.Name,
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Claims: claims,
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}, nil
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case *ProvisionerDetails_ACME:
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cfg := d.ACME
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return &provisioner.ACME{
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Type: p.Type.String(),
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Name: p.Name,
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ForceCN: cfg.ForceCn,
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Claims: claims,
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Options: options,
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}, nil
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*/
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default:
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return nil, fmt.Errorf("provisioner %s not implemented", p.Type)
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}
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}
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// ToCertificates converts the landlord provisioner claims type to the open source
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// (step-ca) claims type.
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func (c *Claims) ToCertificates() (*provisioner.Claims, error) {
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var durs = map[string]struct {
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durStr string
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dur *provisioner.Duration
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}{
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"minTLSDur": {durStr: c.X509.Durations.Min},
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"maxTLSDur": {durStr: c.X509.Durations.Max},
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"defaultTLSDur": {durStr: c.X509.Durations.Default},
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"minSSHUserDur": {durStr: c.SSH.UserDurations.Min},
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"maxSSHUserDur": {durStr: c.SSH.UserDurations.Max},
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"defaultSSHUserDur": {durStr: c.SSH.UserDurations.Default},
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"minSSHHostDur": {durStr: c.SSH.HostDurations.Min},
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"maxSSHHostDur": {durStr: c.SSH.HostDurations.Max},
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"defaultSSHHostDur": {durStr: c.SSH.HostDurations.Default},
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}
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var err error
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for k, v := range durs {
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v.dur, err = provisioner.NewDuration(v.durStr)
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if err != nil {
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return nil, WrapErrorISE(err, "error parsing %s %s from claims", k, v.durStr)
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}
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}
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return &provisioner.Claims{
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MinTLSDur: durs["minTLSDur"].dur,
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MaxTLSDur: durs["maxTLSDur"].dur,
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DefaultTLSDur: durs["defaultTLSDur"].dur,
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DisableRenewal: &c.DisableRenewal,
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MinUserSSHDur: durs["minSSHUserDur"].dur,
|
|
MaxUserSSHDur: durs["maxSSHUserDur"].dur,
|
|
DefaultUserSSHDur: durs["defaultSSHUserDur"].dur,
|
|
MinHostSSHDur: durs["minSSHHostDur"].dur,
|
|
MaxHostSSHDur: durs["maxSSHHostDur"].dur,
|
|
DefaultHostSSHDur: durs["defaultSSHHostDur"].dur,
|
|
EnableSSHCA: &c.SSH.Enabled,
|
|
}, nil
|
|
}
|
|
|
|
type detailsType struct {
|
|
Type ProvisionerType
|
|
}
|
|
|
|
// UnmarshalProvisionerDetails unmarshals bytes into the proper details type.
|
|
func UnmarshalProvisionerDetails(data json.RawMessage) (ProvisionerDetails, error) {
|
|
dt := new(detailsType)
|
|
if err := json.Unmarshal(data, dt); err != nil {
|
|
return nil, WrapErrorISE(err, "error unmarshaling provisioner details")
|
|
}
|
|
|
|
var v ProvisionerDetails
|
|
switch dt.Type {
|
|
case ProvisionerTypeJWK:
|
|
v = new(ProvisionerDetailsJWK)
|
|
case ProvisionerTypeOIDC:
|
|
v = new(ProvisionerDetailsOIDC)
|
|
case ProvisionerTypeGCP:
|
|
v = new(ProvisionerDetailsGCP)
|
|
case ProvisionerTypeAWS:
|
|
v = new(ProvisionerDetailsAWS)
|
|
case ProvisionerTypeAZURE:
|
|
v = new(ProvisionerDetailsAzure)
|
|
case ProvisionerTypeACME:
|
|
v = new(ProvisionerDetailsACME)
|
|
case ProvisionerTypeX5C:
|
|
v = new(ProvisionerDetailsX5C)
|
|
case ProvisionerTypeK8SSA:
|
|
v = new(ProvisionerDetailsK8SSA)
|
|
case ProvisionerTypeSSHPOP:
|
|
v = new(ProvisionerDetailsSSHPOP)
|
|
default:
|
|
return nil, fmt.Errorf("unsupported provisioner type %s", dt.Type)
|
|
}
|
|
|
|
if err := json.Unmarshal(data, v); err != nil {
|
|
return nil, err
|
|
}
|
|
return v, nil
|
|
}
|