authority

package
v0.14.0-rc.10.badger2 Latest Latest
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 Go to latest Published: Mar 23, 2020 License: Apache-2.0 Imports: 32 Imported by: 38

Documentation

Index

Constants

View Source 
const (
	// SSHAddUserPrincipal is the principal that will run the add user command.
	// Defaults to "provisioner" but it can be changed in the configuration.
	SSHAddUserPrincipal = "provisioner"

	// SSHAddUserCommand is the default command to run to add a new user.
	// Defaults to "sudo useradd -m <principal>; nc -q0 localhost 22" but it can be changed in the
	// configuration. The string "<principal>" will be replace by the new
	// principal to add.
	SSHAddUserCommand = "sudo useradd -m <principal>; nc -q0 localhost 22"
)

Variables

View Source 
var (
	// DefaultTLSOptions represents the default TLS version as well as the cipher
	// suites used in the TLS certificates.
	DefaultTLSOptions = tlsutil.TLSOptions{
		CipherSuites: x509util.CipherSuites{
			"TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305",
			"TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
			"TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384",
		},
		MinVersion:    1.2,
		MaxVersion:    1.2,
		Renegotiation: false,
	}
)
View Source 
var GlobalVersion = Version{
	Version: "0.0.0",
}

GlobalVersion stores the version information of the server.

Functions

func NewContextWithSkipTokenReuse added in v0.14.0 

func NewContextWithSkipTokenReuse(ctx context.Context) context.Context

NewContextWithSkipTokenReuse creates a new context from ctx and attaches a value to skip the token reuse.

func SkipTokenReuseFromContext added in v0.14.0 

func SkipTokenReuseFromContext(ctx context.Context) bool

SkipTokenReuseFromContext returns if the token reuse needs to be ignored.

Types

type AuthConfig 

type AuthConfig struct {
	Provisioners         provisioner.List      `json:"provisioners"`
	Template             *x509util.ASN1DN      `json:"template,omitempty"`
	Claims               *provisioner.Claims   `json:"claims,omitempty"`
	DisableIssuedAtCheck bool                  `json:"disableIssuedAtCheck,omitempty"`
	Backdate             *provisioner.Duration `json:"backdate,omitempty"`
}

AuthConfig represents the configuration options for the authority.

func (*AuthConfig) Validate 

func (c *AuthConfig) Validate(audiences provisioner.Audiences) error

Validate validates the authority configuration.

type Authority 

type Authority struct {
	// contains filtered or unexported fields
}

Authority implements the Certificate Authority internal interface.

func New 

func New(config *Config, opts ...Option) (*Authority, error)

New creates and initiates a new Authority type.

func (*Authority) Authorize 

func (a *Authority) Authorize(ctx context.Context, token string) ([]provisioner.SignOption, error)

Authorize grabs the method from the context and authorizes the request by validating the one-time-token.

func (*Authority) AuthorizeSign added in v0.10.0 

func (a *Authority) AuthorizeSign(token string) ([]provisioner.SignOption, error)

AuthorizeSign authorizes a signature request by validating and authenticating a token that must be sent w/ the request.

NOTE: This method is deprecated and should not be used. We make it available in the short term os as not to break existing clients.

func (*Authority) CheckSSHHost added in v0.14.0 

func (a *Authority) CheckSSHHost(ctx context.Context, principal string, token string) (bool, error)

CheckSSHHost checks the given principal has been registered before.

func (*Authority) GetDatabase added in v0.11.0 

func (a *Authority) GetDatabase() db.AuthDB

GetDatabase returns the authority database. If the configuration does not define a database, GetDatabase will return a db.SimpleDB instance.

func (*Authority) GetEncryptedKey 

func (a *Authority) GetEncryptedKey(kid string) (string, error)

GetEncryptedKey returns the JWE key corresponding to the given kid argument.

func (*Authority) GetFederation added in v0.8.3 

func (a *Authority) GetFederation() (federation []*x509.Certificate, err error)

GetFederation returns all the root certificates in the federation. This method implements the Authority interface.

func (*Authority) GetProvisioners 

func (a *Authority) GetProvisioners(cursor string, limit int) (provisioner.List, string, error)

GetProvisioners returns a map listing each provisioner and the JWK Key Set with their public keys.

func (*Authority) GetRootCertificate 

func (a *Authority) GetRootCertificate() *x509.Certificate

GetRootCertificate returns the server root certificate.

func (*Authority) GetRootCertificates added in v0.8.3 

func (a *Authority) GetRootCertificates() []*x509.Certificate

GetRootCertificates returns the server root certificates.

In the Authority interface we also have a similar method, GetRoots, at the moment the functionality of these two methods are almost identical, but this method is intended to be used internally by CA HTTP server to load the roots that will be set in the tls.Config while GetRoots will be used by the Authority interface and might have extra checks in the future.

func (*Authority) GetRoots added in v0.8.3 

func (a *Authority) GetRoots() ([]*x509.Certificate, error)

GetRoots returns all the root certificates for this CA. This method implements the Authority interface.

func (*Authority) GetSSHBastion added in v0.14.0 

func (a *Authority) GetSSHBastion(ctx context.Context, user string, hostname string) (*Bastion, error)

GetSSHBastion returns the bastion configuration, for the given pair user, hostname.

func (*Authority) GetSSHConfig added in v0.14.0 

func (a *Authority) GetSSHConfig(ctx context.Context, typ string, data map[string]string) ([]templates.Output, error)

GetSSHConfig returns rendered templates for clients (user) or servers (host).

func (*Authority) GetSSHFederation added in v0.14.0 

func (a *Authority) GetSSHFederation(context.Context) (*SSHKeys, error)

GetSSHFederation returns the public keys for federated SSH signers.

func (*Authority) GetSSHHosts added in v0.14.0 

func (a *Authority) GetSSHHosts(ctx context.Context, cert *x509.Certificate) ([]sshutil.Host, error)

GetSSHHosts returns a list of valid host principals.

func (*Authority) GetSSHRoots added in v0.14.0 

func (a *Authority) GetSSHRoots(context.Context) (*SSHKeys, error)

GetSSHRoots returns the SSH User and Host public keys.

func (*Authority) GetTLSCertificate 

func (a *Authority) GetTLSCertificate() (*tls.Certificate, error)

GetTLSCertificate creates a new leaf certificate to be used by the CA HTTPS server.

func (*Authority) GetTLSOptions 

func (a *Authority) GetTLSOptions() *tlsutil.TLSOptions

GetTLSOptions returns the tls options configured.

func (*Authority) LoadProvisionerByCertificate added in v0.10.0 

func (a *Authority) LoadProvisionerByCertificate(crt *x509.Certificate) (provisioner.Interface, error)

LoadProvisionerByCertificate returns an interface to the provisioner that provisioned the certificate.

func (*Authority) LoadProvisionerByID added in v0.13.0 

func (a *Authority) LoadProvisionerByID(id string) (provisioner.Interface, error)

LoadProvisionerByID returns an interface to the provisioner with the given ID.

func (*Authority) RekeySSH added in v0.14.0 

func (a *Authority) RekeySSH(ctx context.Context, oldCert *ssh.Certificate, pub ssh.PublicKey, signOpts ...provisioner.SignOption) (*ssh.Certificate, error)

RekeySSH creates a signed SSH certificate using the old SSH certificate as a template.

func (*Authority) Renew 

func (a *Authority) Renew(oldCert *x509.Certificate) ([]*x509.Certificate, error)

Renew creates a new Certificate identical to the old certificate, except with a validity window that begins 'now'.

func (*Authority) RenewSSH added in v0.14.0 

func (a *Authority) RenewSSH(ctx context.Context, oldCert *ssh.Certificate) (*ssh.Certificate, error)

RenewSSH creates a signed SSH certificate using the old SSH certificate as a template.

func (*Authority) Revoke added in v0.10.0 

func (a *Authority) Revoke(ctx context.Context, revokeOpts *RevokeOptions) error

Revoke revokes a certificate.

NOTE: Only supports passive revocation - prevent existing certificates from being renewed.

TODO: Add OCSP and CRL support.

func (*Authority) Root 

func (a *Authority) Root(sum string) (*x509.Certificate, error)

Root returns the certificate corresponding to the given SHA sum argument.

func (*Authority) Shutdown added in v0.10.0 

func (a *Authority) Shutdown() error

Shutdown safely shuts down any clients, databases, etc. held by the Authority.

func (*Authority) Sign 

func (a *Authority) Sign(csr *x509.CertificateRequest, signOpts provisioner.Options, extraOpts ...provisioner.SignOption) ([]*x509.Certificate, error)

Sign creates a signed certificate from a certificate signing request.

func (*Authority) SignSSH added in v0.12.0 

func (a *Authority) SignSSH(ctx context.Context, key ssh.PublicKey, opts provisioner.SSHOptions, signOpts ...provisioner.SignOption) (*ssh.Certificate, error)

SignSSH creates a signed SSH certificate with the given public key and options.

func (*Authority) SignSSHAddUser added in v0.12.0 

func (a *Authority) SignSSHAddUser(ctx context.Context, key ssh.PublicKey, subject *ssh.Certificate) (*ssh.Certificate, error)

SignSSHAddUser signs a certificate that provisions a new user in a server.

func (*Authority) Version added in v0.14.0 

func (a *Authority) Version() Version

Version returns the version information of the server.

type Bastion added in v0.14.0 

type Bastion struct {
	Hostname string `json:"hostname"`
	User     string `json:"user,omitempty"`
	Port     string `json:"port,omitempty"`
	Command  string `json:"cmd,omitempty"`
	Flags    string `json:"flags,omitempty"`
}

Bastion contains the custom properties used on bastion.

type Claims added in v0.8.4 

type Claims struct {
	jose.Claims
	SANs  []string `json:"sans,omitempty"`
	Email string   `json:"email,omitempty"`
	Nonce string   `json:"nonce,omitempty"`
}

Claims extends jose.Claims with step attributes.

type Config 

type Config struct {
	Root             multiString          `json:"root"`
	FederatedRoots   []string             `json:"federatedRoots"`
	IntermediateCert string               `json:"crt"`
	IntermediateKey  string               `json:"key"`
	Address          string               `json:"address"`
	DNSNames         []string             `json:"dnsNames"`
	KMS              *kms.Options         `json:"kms,omitempty"`
	SSH              *SSHConfig           `json:"ssh,omitempty"`
	Logger           json.RawMessage      `json:"logger,omitempty"`
	DB               *db.Config           `json:"db,omitempty"`
	Monitoring       json.RawMessage      `json:"monitoring,omitempty"`
	AuthorityConfig  *AuthConfig          `json:"authority,omitempty"`
	TLS              *tlsutil.TLSOptions  `json:"tls,omitempty"`
	Password         string               `json:"password,omitempty"`
	Templates        *templates.Templates `json:"templates,omitempty"`
}

Config represents the CA configuration and it's mapped to a JSON object.

func LoadConfiguration 

func LoadConfiguration(filename string) (*Config, error)

LoadConfiguration parses the given filename in JSON format and returns the configuration struct.

func (*Config) Save 

func (c *Config) Save(filename string) error

Save saves the configuration to the given filename.

func (*Config) Validate 

func (c *Config) Validate() error

Validate validates the configuration.

type Option added in v0.11.0 

type Option func(*Authority) error

Option sets options to the Authority.

func WithDatabase added in v0.11.0 

func WithDatabase(db db.AuthDB) Option

WithDatabase sets an already initialized authority database to a new authority. This option is intended to be use on graceful reloads.

func WithGetIdentityFunc added in v0.14.0 

func WithGetIdentityFunc(fn func(ctx context.Context, p provisioner.Interface, email string) (*provisioner.Identity, error)) Option

WithGetIdentityFunc sets a custom function to retrieve the identity from an external resource.

func WithKeyManager added in v0.14.0 

func WithKeyManager(k kms.KeyManager) Option

WithKeyManager defines the key manager used to get and create keys, and sign certificates.

func WithSSHBastionFunc added in v0.14.0 

func WithSSHBastionFunc(fn func(ctx context.Context, user, host string) (*Bastion, error)) Option

WithSSHBastionFunc sets a custom function to get the bastion for a given user-host pair.

func WithSSHCheckHost added in v0.14.0 

func WithSSHCheckHost(fn func(ctx context.Context, principal string, tok string, roots []*x509.Certificate) (bool, error)) Option

WithSSHCheckHost sets a custom function to check whether a given host is step ssh enabled. The token is used to validate the request, while the roots are used to validate the token.

func WithSSHGetHosts added in v0.14.0 

func WithSSHGetHosts(fn func(ctx context.Context, cert *x509.Certificate) ([]sshutil.Host, error)) Option

WithSSHGetHosts sets a custom function to get the bastion for a given user-host pair.

func WithSSHHostSigner added in v0.14.0 

func WithSSHHostSigner(s crypto.Signer) Option

WithSSHHostSigner defines the signer used to sign SSH host certificates.

func WithSSHUserSigner added in v0.14.0 

func WithSSHUserSigner(s crypto.Signer) Option

WithSSHUserSigner defines the signer used to sign SSH user certificates.

func WithX509FederatedBundle added in v0.14.0 

func WithX509FederatedBundle(pemCerts []byte) Option

WithX509FederatedBundle is an option that allows to define the list of federated certificates. This option will replace any federated certificate defined before.

func WithX509FederatedCerts added in v0.14.0 

func WithX509FederatedCerts(certs ...*x509.Certificate) Option

WithX509FederatedCerts is an option that allows to define the list of federated certificates. This option will replace any federated certificate defined before.

func WithX509RootBundle added in v0.14.0 

func WithX509RootBundle(pemCerts []byte) Option

WithX509RootBundle is an option that allows to define the list of root certificates. This option will replace any root certificate defined before.

func WithX509RootCerts added in v0.14.0 

func WithX509RootCerts(rootCerts ...*x509.Certificate) Option

WithX509RootCerts is an option that allows to define the list of root certificates to use. This option will replace any root certificate defined before.

func WithX509Signer added in v0.14.0 

func WithX509Signer(crt *x509.Certificate, s crypto.Signer) Option

WithX509Signer defines the signer used to sign X509 certificates.

type RevokeOptions added in v0.10.0 

type RevokeOptions struct {
	Serial      string
	Reason      string
	ReasonCode  int
	PassiveOnly bool
	MTLS        bool
	Crt         *x509.Certificate
	OTT         string
}

RevokeOptions are the options for the Revoke API.

type SSHConfig added in v0.12.0 

type SSHConfig struct {
	HostKey          string          `json:"hostKey"`
	UserKey          string          `json:"userKey"`
	Keys             []*SSHPublicKey `json:"keys,omitempty"`
	AddUserPrincipal string          `json:"addUserPrincipal,omitempty"`
	AddUserCommand   string          `json:"addUserCommand,omitempty"`
	Bastion          *Bastion        `json:"bastion,omitempty"`
}

SSHConfig contains the user and host keys.

func (*SSHConfig) Validate added in v0.14.0 

func (c *SSHConfig) Validate() error

Validate checks the fields in SSHConfig.

type SSHKeys added in v0.14.0 

type SSHKeys struct {
	UserKeys []ssh.PublicKey
	HostKeys []ssh.PublicKey
}

SSHKeys represents the SSH User and Host public keys.

type SSHPublicKey added in v0.14.0 

type SSHPublicKey struct {
	Type      string          `json:"type"`
	Federated bool            `json:"federated"`
	Key       jose.JSONWebKey `json:"key"`
	// contains filtered or unexported fields
}

SSHPublicKey contains a public key used by federated CAs to keep old signing keys for this ca.

func (*SSHPublicKey) PublicKey added in v0.14.0 

func (k *SSHPublicKey) PublicKey() ssh.PublicKey

PublicKey returns the ssh public key.

func (*SSHPublicKey) Validate added in v0.14.0 

func (k *SSHPublicKey) Validate() error

Validate checks the fields in SSHPublicKey.

type Version added in v0.14.0 

type Version struct {
	Version                     string
	RequireClientAuthentication bool
}

Version defines the

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