sasl

Documentation

Index

• Variables
• func ClientSupport(mechanism string) bool
• func RegisterMechanism(name string, m Mechanism) error
• type AttributeValuePairs
  • func ParseAttributeValuePairs(src []byte) AttributeValuePairs
• type Mechanism
• type Properties
• type Property
• type PropertyMissingError
  • func (e PropertyMissingError) Error() string
• type Session
  • func NewClient(mechanism string) (Session, error)
• type Token
  • func DecodeToken(in []byte) (Token, error)
  • func (t Token) Encode() []byte
  • func (t Token) String() string

Variables

var (
	// ErrMechanismAlreadyRegistered indicates an attempt to register a duplicate mechanism
	ErrMechanismAlreadyRegistered = errors.New("the mechanism already registered")
	// ErrUnsupportedMechanism indicates an attempt to use an unregistered mechanism
	ErrUnsupportedMechanism = errors.New("the requested mechanism is not supported")
	// ErrUnsupportedProperty indicates an attempt to set a property unsupported by a mechanism
	ErrUnsupportedProperty = errors.New("unsupported property")
)

var (

	//ErrMissingParameter indicates a missing parameter from the server challenge
	ErrMissingParameter = errors.New("missing parameter in server challenge")
)

var Stringprep = transform.Chain(nonASCIISpaceTransformer, mappedToNothing, norm.NFKC)

Stringprep implements Stringprep Profile for User Names and Passwords (RFC 4013) as a transform.Transformer

Functions

func ClientSupport

func ClientSupport(mechanism string) bool

ClientSupport returns whether there is client-side support for a specified mechanism

func RegisterMechanism

func RegisterMechanism(name string, m Mechanism) error

RegisterMechanism registers an SASL mechanism for a name

Types

type AttributeValuePairs

type AttributeValuePairs map[string]string

AttributeValuePairs represents atribute-value pairs

func ParseAttributeValuePairs

func ParseAttributeValuePairs(src []byte) AttributeValuePairs

ParseAttributeValuePairs parses a string of comma-separated attribute=value pairs

type Mechanism

type Mechanism interface {
	NewClient() Session
}

Mechanism represents an SASL mechanism

type Properties

type Properties map[Property]string

Properties represents a map of property and value

type Property

type Property int

Property represents a SASL mechanism property

const (
	AuthID Property = iota
	Password
	AuthZID
	Realm
	Service
	QOP
	ClientNonce
)

All SASL mechanism properties, as defined by GSASL

type PropertyMissingError

type PropertyMissingError struct {
	Property
}

PropertyMissingError represents an error due a missing property

func (PropertyMissingError) Error

func (e PropertyMissingError) Error() string

type Session

type Session interface {
	SetProperty(Property, string) error
	Step(Token) (Token, error)
	NeedsMore() bool
	SetChannelBinding([]byte)
}

Session represents an authorization session

func NewClient

func NewClient(mechanism string) (Session, error)

NewClient returns a client session for a SASL mechanism

type Token

type Token []byte

Token represents a SASL token exchanged by client and server.

func DecodeToken

func DecodeToken(in []byte) (Token, error)

DecodeToken decodes a base64 encoded token

func (Token) Encode

func (t Token) Encode() []byte

Encode encoded the token using base64

func (Token) String

func (t Token) String() string