types

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Version: v5.3.0 Latest Latest
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Published: Jul 31, 2018 License: Apache-2.0 Imports: 15 Imported by: 36

Documentation

Overview

Package types provides Kerberos 5 data types.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func GetPAEncTSEncAsnMarshalled

func GetPAEncTSEncAsnMarshalled() ([]byte, error)

GetPAEncTSEncAsnMarshalled returns the bytes of a PAEncTSEnc.

func HostAddressesContains

func HostAddressesContains(h []HostAddress, a HostAddress) bool

HostAddressesContains tests if a HostAddress is contained in a HostAddress slice.

func HostAddressesEqual

func HostAddressesEqual(h, a []HostAddress) bool

HostAddressesEqual tests if two HostAddress slices are equal.

func IsFlagSet

func IsFlagSet(f *asn1.BitString, i int) bool

IsFlagSet tests if a flag is set in the ASN1 BitString.

func NewKrbFlags

func NewKrbFlags() asn1.BitString

NewKrbFlags returns an ASN1 BitString struct of the right size for KrbFlags.

func SetFlag

func SetFlag(f *asn1.BitString, i int)

SetFlag sets a flag in an ASN1 BitString.

func SetFlags

func SetFlags(f *asn1.BitString, j []int)

SetFlags sets the flags of an ASN1 BitString.

func UnsetFlag

func UnsetFlag(f *asn1.BitString, i int)

UnsetFlag unsets a flag in an ASN1 BitString.

func UnsetFlags

func UnsetFlags(f *asn1.BitString, j []int)

UnsetFlags unsets flags in an ASN1 BitString.

Types

type ADAndOr

type ADAndOr struct {
	ConditionCount int32             `asn1:"explicit,tag:0"`
	Elements       AuthorizationData `asn1:"explicit,tag:1"`
}

ADAndOr implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.2.6.3

type ADKDCIssued

type ADKDCIssued struct {
	ADChecksum Checksum          `asn1:"explicit,tag:0"`
	IRealm     string            `asn1:"optional,generalstring,explicit,tag:1"`
	Isname     PrincipalName     `asn1:"optional,explicit,tag:2"`
	Elements   AuthorizationData `asn1:"explicit,tag:3"`
}

ADKDCIssued implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.2.6.2

func (*ADKDCIssued) Unmarshal

func (a *ADKDCIssued) Unmarshal(b []byte) error

Unmarshal bytes into the ADKDCIssued.

type ADMandatoryForKDC

type ADMandatoryForKDC AuthorizationData

ADMandatoryForKDC implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.2.6.4

type Authenticator

type Authenticator struct {
	AVNO              int               `asn1:"explicit,tag:0"`
	CRealm            string            `asn1:"generalstring,explicit,tag:1"`
	CName             PrincipalName     `asn1:"explicit,tag:2"`
	Cksum             Checksum          `asn1:"explicit,optional,tag:3"`
	Cusec             int               `asn1:"explicit,tag:4"`
	CTime             time.Time         `asn1:"generalized,explicit,tag:5"`
	SubKey            EncryptionKey     `asn1:"explicit,optional,tag:6"`
	SeqNumber         int64             `asn1:"explicit,optional,tag:7"`
	AuthorizationData AuthorizationData `asn1:"explicit,optional,tag:8"`
}

Authenticator - A record containing information that can be shown to have been recently generated using the session key known only by the client and server. https://tools.ietf.org/html/rfc4120#section-5.5.1

func NewAuthenticator

func NewAuthenticator(realm string, cname PrincipalName) (Authenticator, error)

NewAuthenticator creates a new Authenticator.

func (*Authenticator) GenerateSeqNumberAndSubKey

func (a *Authenticator) GenerateSeqNumberAndSubKey(keyType int32, keySize int) error

GenerateSeqNumberAndSubKey sets the Authenticator's sequence number and subkey.

func (*Authenticator) Marshal

func (a *Authenticator) Marshal() ([]byte, error)

Marshal the Authenticator.

func (*Authenticator) Unmarshal

func (a *Authenticator) Unmarshal(b []byte) error

Unmarshal bytes into the Authenticator.

type AuthorizationData

type AuthorizationData []AuthorizationDataEntry

AuthorizationData implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.2.6

func (*AuthorizationData) Unmarshal

func (a *AuthorizationData) Unmarshal(b []byte) error

Unmarshal bytes into the AuthorizationData.

type AuthorizationDataEntry

type AuthorizationDataEntry struct {
	ADType int32  `asn1:"explicit,tag:0"`
	ADData []byte `asn1:"explicit,tag:1"`
}

AuthorizationDataEntry implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.2.6

func (*AuthorizationDataEntry) Unmarshal

func (a *AuthorizationDataEntry) Unmarshal(b []byte) error

Unmarshal bytes into the AuthorizationDataEntry.

type Checksum

type Checksum struct {
	CksumType int32  `asn1:"explicit,tag:0"`
	Checksum  []byte `asn1:"explicit,tag:1"`
}

Checksum implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.2.9

func (*Checksum) Unmarshal

func (a *Checksum) Unmarshal(b []byte) error

Unmarshal bytes into the Checksum.

type ETypeInfo

type ETypeInfo []ETypeInfoEntry

ETypeInfo implements RFC 4120 types: https://tools.ietf.org/html/rfc4120#section-5.2.7.4

func (*ETypeInfo) Unmarshal

func (a *ETypeInfo) Unmarshal(b []byte) error

Unmarshal bytes into the ETypeInfo

type ETypeInfo2

type ETypeInfo2 []ETypeInfo2Entry

ETypeInfo2 implements RFC 4120 types: https://tools.ietf.org/html/rfc4120#section-5.2.7.5

func (*ETypeInfo2) Unmarshal

func (a *ETypeInfo2) Unmarshal(b []byte) error

Unmarshal bytes into the ETypeInfo2

type ETypeInfo2Entry

type ETypeInfo2Entry struct {
	EType     int32  `asn1:"explicit,tag:0"`
	Salt      string `asn1:"explicit,optional,generalstring,tag:1"`
	S2KParams []byte `asn1:"explicit,optional,tag:2"`
}

ETypeInfo2Entry implements RFC 4120 types: https://tools.ietf.org/html/rfc4120#section-5.2.7.5

func (*ETypeInfo2Entry) Unmarshal

func (a *ETypeInfo2Entry) Unmarshal(b []byte) error

Unmarshal bytes into the ETypeInfo2Entry

type ETypeInfoEntry

type ETypeInfoEntry struct {
	EType int32  `asn1:"explicit,tag:0"`
	Salt  []byte `asn1:"explicit,optional,tag:1"`
}

ETypeInfoEntry implements RFC 4120 types: https://tools.ietf.org/html/rfc4120#section-5.2.7.4

func (*ETypeInfoEntry) Unmarshal

func (a *ETypeInfoEntry) Unmarshal(b []byte) error

Unmarshal bytes into the ETypeInfoEntry

type EncryptedData

type EncryptedData struct {
	EType  int32  `asn1:"explicit,tag:0"`
	KVNO   int    `asn1:"explicit,optional,tag:1"`
	Cipher []byte `asn1:"explicit,tag:2"`
}

EncryptedData implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.2.9

func (*EncryptedData) Marshal

func (a *EncryptedData) Marshal() ([]byte, error)

Marshal the EncryptedData.

func (*EncryptedData) Unmarshal

func (a *EncryptedData) Unmarshal(b []byte) error

Unmarshal bytes into the EncryptedData.

type EncryptionKey

type EncryptionKey struct {
	KeyType  int32  `asn1:"explicit,tag:0"`
	KeyValue []byte `asn1:"explicit,tag:1"`
}

EncryptionKey implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.2.9 AKA KeyBlock

func (*EncryptionKey) Unmarshal

func (a *EncryptionKey) Unmarshal(b []byte) error

Unmarshal bytes into the EncryptionKey.

type HostAddress

type HostAddress struct {
	AddrType int32  `asn1:"explicit,tag:0"`
	Address  []byte `asn1:"explicit,tag:1"`
}

HostAddress implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.2.5

func GetHostAddress

func GetHostAddress(s string) (HostAddress, error)

GetHostAddress returns a HostAddress struct from a string in the format <hostname>:<port>

func HostAddressFromNetIP

func HostAddressFromNetIP(ip net.IP) HostAddress

HostAddressFromNetIP returns a HostAddress type from a net.IP

func (*HostAddress) Equal

func (h *HostAddress) Equal(a HostAddress) bool

Equal tests if the HostAddress is equal to another HostAddress provided.

func (*HostAddress) GetAddress

func (h *HostAddress) GetAddress() (string, error)

GetAddress returns a string representation of the HostAddress.

type HostAddresses

type HostAddresses []HostAddress

HostAddresses implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.2.5

func HostAddressesFromNetIPs

func HostAddressesFromNetIPs(ips []net.IP) (ha HostAddresses)

HostAddressesFromNetIPs returns a HostAddresses type from a slice of net.IP

func LocalHostAddresses

func LocalHostAddresses() (ha HostAddresses, err error)

LocalHostAddresses returns a HostAddresses struct for the local machines interface IP addresses.

func (*HostAddresses) Contains

func (h *HostAddresses) Contains(a HostAddress) bool

Contains tests if a HostAddress is contained within the HostAddresses struct.

func (*HostAddresses) Equal

func (h *HostAddresses) Equal(a []HostAddress) bool

Equal tests if a HostAddress slice is equal to the HostAddresses struct.

type MethodData

type MethodData []PAData

MethodData implements RFC 4120 types: https://tools.ietf.org/html/rfc4120#section-5.9.1

type PAData

type PAData struct {
	PADataType  int32  `asn1:"explicit,tag:1"`
	PADataValue []byte `asn1:"explicit,tag:2"`
}

PAData implements RFC 4120 types: https://tools.ietf.org/html/rfc4120#section-5.2.7

func (*PAData) GetETypeInfo

func (pa *PAData) GetETypeInfo() (d ETypeInfo, err error)

GetETypeInfo returns an ETypeInfo from the PAData.

func (*PAData) GetETypeInfo2

func (pa *PAData) GetETypeInfo2() (d ETypeInfo2, err error)

GetETypeInfo2 returns an ETypeInfo2 from the PAData.

func (*PAData) Unmarshal

func (pa *PAData) Unmarshal(b []byte) error

Unmarshal bytes into the PAData

type PADataSequence

type PADataSequence []PAData

PADataSequence implements RFC 4120 types: https://tools.ietf.org/html/rfc4120#section-5.2.7

func (*PADataSequence) Contains

func (pas *PADataSequence) Contains(patype int32) bool

Contains tests if a PADataSequence contains PA Data of a certain type.

func (*PADataSequence) Unmarshal

func (pas *PADataSequence) Unmarshal(b []byte) error

Unmarshal bytes into the PADataSequence

type PAEncTSEnc

type PAEncTSEnc struct {
	PATimestamp time.Time `asn1:"generalized,explicit,tag:0"`
	PAUSec      int       `asn1:"explicit,optional,tag:1"`
}

PAEncTSEnc implements RFC 4120 types: https://tools.ietf.org/html/rfc4120#section-5.2.7.2

func (*PAEncTSEnc) Unmarshal

func (pa *PAEncTSEnc) Unmarshal(b []byte) error

Unmarshal bytes into the PAEncTSEnc

type PAEncTimestamp

type PAEncTimestamp EncryptedData

PAEncTimestamp implements RFC 4120 types: https://tools.ietf.org/html/rfc4120#section-5.2.7.2

func (*PAEncTimestamp) Unmarshal

func (pa *PAEncTimestamp) Unmarshal(b []byte) error

Unmarshal bytes into the PAEncTimestamp

type PAReqEncPARep

type PAReqEncPARep struct {
	ChksumType int32  `asn1:"explicit,tag:0"`
	Chksum     []byte `asn1:"explicit,tag:1"`
}

PAReqEncPARep PA Data Type

func (*PAReqEncPARep) Unmarshal

func (pa *PAReqEncPARep) Unmarshal(b []byte) error

Unmarshal bytes into the PAReqEncPARep

type PrincipalName

type PrincipalName struct {
	NameType   int32    `asn1:"explicit,tag:0"`
	NameString []string `asn1:"generalstring,explicit,tag:1"`
}

PrincipalName implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.2.2

func NewPrincipalName

func NewPrincipalName(ntype int32, spn string) PrincipalName

NewPrincipalName creates a new PrincipalName from the name type int32 and name string provided.

func ParseSPNString added in v5.2.0

func ParseSPNString(spn string) (pn PrincipalName, realm string)

ParseSPNString will parse a string in the format <service>/<name>@<realm> a PrincipalName type will be returned with the name type set to KRB_NT_PRINCIPAL(1) and the realm will be returned as a string. If the "@<realm>" suffix is not included in the SPN then the value of realm string returned will be ""

func (*PrincipalName) Equal

func (pn *PrincipalName) Equal(n PrincipalName) bool

Equal tests if the PrincipalName is equal to the one provided.

func (*PrincipalName) GetPrincipalNameString

func (pn *PrincipalName) GetPrincipalNameString() string

GetPrincipalNameString returns the PrincipalName in string form.

func (*PrincipalName) GetSalt

func (pn *PrincipalName) GetSalt(realm string) string

GetSalt returns a salt derived from the PrincipalName.

type TypedData

type TypedData struct {
	DataType  int32  `asn1:"explicit,tag:0"`
	DataValue []byte `asn1:"optional,explicit,tag:1"`
}

TypedData implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.9.1

type TypedDataSequence

type TypedDataSequence []TypedData

TypedDataSequence implements RFC 4120 type: https://tools.ietf.org/html/rfc4120#section-5.9.1

func (*TypedDataSequence) Unmarshal

func (a *TypedDataSequence) Unmarshal(b []byte) error

Unmarshal bytes into the TypedDataSequence.

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