dex/vendor/gopkg.in/ldap.v2/control.go
2016-03-09 13:04:05 -08:00

332 lines
9.3 KiB
Go

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ldap
import (
"fmt"
"strconv"
"gopkg.in/asn1-ber.v1"
)
const (
ControlTypePaging = "1.2.840.113556.1.4.319"
ControlTypeBeheraPasswordPolicy = "1.3.6.1.4.1.42.2.27.8.5.1"
ControlTypeVChuPasswordMustChange = "2.16.840.1.113730.3.4.4"
ControlTypeVChuPasswordWarning = "2.16.840.1.113730.3.4.5"
ControlTypeManageDsaIT = "2.16.840.1.113730.3.4.2"
)
var ControlTypeMap = map[string]string{
ControlTypePaging: "Paging",
ControlTypeBeheraPasswordPolicy: "Password Policy - Behera Draft",
ControlTypeManageDsaIT: "Manage DSA IT",
}
type Control interface {
GetControlType() string
Encode() *ber.Packet
String() string
}
type ControlString struct {
ControlType string
Criticality bool
ControlValue string
}
func (c *ControlString) GetControlType() string {
return c.ControlType
}
func (c *ControlString) Encode() *ber.Packet {
packet := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Control")
packet.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, c.ControlType, "Control Type ("+ControlTypeMap[c.ControlType]+")"))
if c.Criticality {
packet.AppendChild(ber.NewBoolean(ber.ClassUniversal, ber.TypePrimitive, ber.TagBoolean, c.Criticality, "Criticality"))
}
packet.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, string(c.ControlValue), "Control Value"))
return packet
}
func (c *ControlString) String() string {
return fmt.Sprintf("Control Type: %s (%q) Criticality: %t Control Value: %s", ControlTypeMap[c.ControlType], c.ControlType, c.Criticality, c.ControlValue)
}
type ControlPaging struct {
PagingSize uint32
Cookie []byte
}
func (c *ControlPaging) GetControlType() string {
return ControlTypePaging
}
func (c *ControlPaging) Encode() *ber.Packet {
packet := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Control")
packet.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, ControlTypePaging, "Control Type ("+ControlTypeMap[ControlTypePaging]+")"))
p2 := ber.Encode(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, nil, "Control Value (Paging)")
seq := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Search Control Value")
seq.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagInteger, uint64(c.PagingSize), "Paging Size"))
cookie := ber.Encode(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, nil, "Cookie")
cookie.Value = c.Cookie
cookie.Data.Write(c.Cookie)
seq.AppendChild(cookie)
p2.AppendChild(seq)
packet.AppendChild(p2)
return packet
}
func (c *ControlPaging) String() string {
return fmt.Sprintf(
"Control Type: %s (%q) Criticality: %t PagingSize: %d Cookie: %q",
ControlTypeMap[ControlTypePaging],
ControlTypePaging,
false,
c.PagingSize,
c.Cookie)
}
func (c *ControlPaging) SetCookie(cookie []byte) {
c.Cookie = cookie
}
type ControlBeheraPasswordPolicy struct {
Expire int64
Grace int64
Error int8
ErrorString string
}
func (c *ControlBeheraPasswordPolicy) GetControlType() string {
return ControlTypeBeheraPasswordPolicy
}
func (c *ControlBeheraPasswordPolicy) Encode() *ber.Packet {
packet := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Control")
packet.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, ControlTypeBeheraPasswordPolicy, "Control Type ("+ControlTypeMap[ControlTypeBeheraPasswordPolicy]+")"))
return packet
}
func (c *ControlBeheraPasswordPolicy) String() string {
return fmt.Sprintf(
"Control Type: %s (%q) Criticality: %t Expire: %d Grace: %d Error: %d, ErrorString: %s",
ControlTypeMap[ControlTypeBeheraPasswordPolicy],
ControlTypeBeheraPasswordPolicy,
false,
c.Expire,
c.Grace,
c.Error,
c.ErrorString)
}
type ControlVChuPasswordMustChange struct {
MustChange bool
}
func (c *ControlVChuPasswordMustChange) GetControlType() string {
return ControlTypeVChuPasswordMustChange
}
func (c *ControlVChuPasswordMustChange) Encode() *ber.Packet {
return nil
}
func (c *ControlVChuPasswordMustChange) String() string {
return fmt.Sprintf(
"Control Type: %s (%q) Criticality: %t MustChange: %b",
ControlTypeMap[ControlTypeVChuPasswordMustChange],
ControlTypeVChuPasswordMustChange,
false,
c.MustChange)
}
type ControlVChuPasswordWarning struct {
Expire int64
}
func (c *ControlVChuPasswordWarning) GetControlType() string {
return ControlTypeVChuPasswordWarning
}
func (c *ControlVChuPasswordWarning) Encode() *ber.Packet {
return nil
}
func (c *ControlVChuPasswordWarning) String() string {
return fmt.Sprintf(
"Control Type: %s (%q) Criticality: %t Expire: %b",
ControlTypeMap[ControlTypeVChuPasswordWarning],
ControlTypeVChuPasswordWarning,
false,
c.Expire)
}
type ControlManageDsaIT struct {
Criticality bool
}
func (c *ControlManageDsaIT) GetControlType() string {
return ControlTypeManageDsaIT
}
func (c *ControlManageDsaIT) Encode() *ber.Packet {
//FIXME
packet := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Control")
packet.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, ControlTypeManageDsaIT, "Control Type ("+ControlTypeMap[ControlTypeManageDsaIT]+")"))
if c.Criticality {
packet.AppendChild(ber.NewBoolean(ber.ClassUniversal, ber.TypePrimitive, ber.TagBoolean, c.Criticality, "Criticality"))
}
return packet
}
func (c *ControlManageDsaIT) String() string {
return fmt.Sprintf(
"Control Type: %s (%q) Criticality: %t",
ControlTypeMap[ControlTypeManageDsaIT],
ControlTypeManageDsaIT,
c.Criticality)
}
func NewControlManageDsaIT(Criticality bool) *ControlManageDsaIT {
return &ControlManageDsaIT{Criticality: Criticality}
}
func FindControl(controls []Control, controlType string) Control {
for _, c := range controls {
if c.GetControlType() == controlType {
return c
}
}
return nil
}
func DecodeControl(packet *ber.Packet) Control {
ControlType := packet.Children[0].Value.(string)
Criticality := false
packet.Children[0].Description = "Control Type (" + ControlTypeMap[ControlType] + ")"
value := packet.Children[1]
if len(packet.Children) == 3 {
value = packet.Children[2]
packet.Children[1].Description = "Criticality"
Criticality = packet.Children[1].Value.(bool)
}
value.Description = "Control Value"
switch ControlType {
case ControlTypePaging:
value.Description += " (Paging)"
c := new(ControlPaging)
if value.Value != nil {
valueChildren := ber.DecodePacket(value.Data.Bytes())
value.Data.Truncate(0)
value.Value = nil
value.AppendChild(valueChildren)
}
value = value.Children[0]
value.Description = "Search Control Value"
value.Children[0].Description = "Paging Size"
value.Children[1].Description = "Cookie"
c.PagingSize = uint32(value.Children[0].Value.(int64))
c.Cookie = value.Children[1].Data.Bytes()
value.Children[1].Value = c.Cookie
return c
case ControlTypeBeheraPasswordPolicy:
value.Description += " (Password Policy - Behera)"
c := NewControlBeheraPasswordPolicy()
if value.Value != nil {
valueChildren := ber.DecodePacket(value.Data.Bytes())
value.Data.Truncate(0)
value.Value = nil
value.AppendChild(valueChildren)
}
sequence := value.Children[0]
for _, child := range sequence.Children {
if child.Tag == 0 {
//Warning
child := child.Children[0]
packet := ber.DecodePacket(child.Data.Bytes())
val, ok := packet.Value.(int64)
if ok {
if child.Tag == 0 {
//timeBeforeExpiration
c.Expire = val
child.Value = c.Expire
} else if child.Tag == 1 {
//graceAuthNsRemaining
c.Grace = val
child.Value = c.Grace
}
}
} else if child.Tag == 1 {
// Error
packet := ber.DecodePacket(child.Data.Bytes())
val, ok := packet.Value.(int8)
if !ok {
// what to do?
val = -1
}
c.Error = val
child.Value = c.Error
c.ErrorString = BeheraPasswordPolicyErrorMap[c.Error]
}
}
return c
case ControlTypeVChuPasswordMustChange:
c := &ControlVChuPasswordMustChange{MustChange: true}
return c
case ControlTypeVChuPasswordWarning:
c := &ControlVChuPasswordWarning{Expire: -1}
expireStr := ber.DecodeString(value.Data.Bytes())
expire, err := strconv.ParseInt(expireStr, 10, 64)
if err != nil {
return nil
}
c.Expire = expire
value.Value = c.Expire
return c
}
c := new(ControlString)
c.ControlType = ControlType
c.Criticality = Criticality
c.ControlValue = value.Value.(string)
return c
}
func NewControlString(controlType string, criticality bool, controlValue string) *ControlString {
return &ControlString{
ControlType: controlType,
Criticality: criticality,
ControlValue: controlValue,
}
}
func NewControlPaging(pagingSize uint32) *ControlPaging {
return &ControlPaging{PagingSize: pagingSize}
}
func NewControlBeheraPasswordPolicy() *ControlBeheraPasswordPolicy {
return &ControlBeheraPasswordPolicy{
Expire: -1,
Grace: -1,
Error: -1,
}
}
func encodeControls(controls []Control) *ber.Packet {
packet := ber.Encode(ber.ClassContext, ber.TypeConstructed, 0, nil, "Controls")
for _, control := range controls {
packet.AppendChild(control.Encode())
}
return packet
}