146 lines
4.1 KiB
Go
146 lines
4.1 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 (
|
|
"errors"
|
|
|
|
"gopkg.in/asn1-ber.v1"
|
|
)
|
|
|
|
type SimpleBindRequest struct {
|
|
Username string
|
|
Password string
|
|
Controls []Control
|
|
}
|
|
|
|
type SimpleBindResult struct {
|
|
Controls []Control
|
|
}
|
|
|
|
func NewSimpleBindRequest(username string, password string, controls []Control) *SimpleBindRequest {
|
|
return &SimpleBindRequest{
|
|
Username: username,
|
|
Password: password,
|
|
Controls: controls,
|
|
}
|
|
}
|
|
|
|
func (bindRequest *SimpleBindRequest) encode() *ber.Packet {
|
|
request := ber.Encode(ber.ClassApplication, ber.TypeConstructed, ApplicationBindRequest, nil, "Bind Request")
|
|
request.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagInteger, 3, "Version"))
|
|
request.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, bindRequest.Username, "User Name"))
|
|
request.AppendChild(ber.NewString(ber.ClassContext, ber.TypePrimitive, 0, bindRequest.Password, "Password"))
|
|
|
|
request.AppendChild(encodeControls(bindRequest.Controls))
|
|
|
|
return request
|
|
}
|
|
|
|
func (l *Conn) SimpleBind(simpleBindRequest *SimpleBindRequest) (*SimpleBindResult, error) {
|
|
messageID := l.nextMessageID()
|
|
|
|
packet := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "LDAP Request")
|
|
packet.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagInteger, messageID, "MessageID"))
|
|
encodedBindRequest := simpleBindRequest.encode()
|
|
packet.AppendChild(encodedBindRequest)
|
|
|
|
if l.Debug {
|
|
ber.PrintPacket(packet)
|
|
}
|
|
|
|
channel, err := l.sendMessage(packet)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if channel == nil {
|
|
return nil, NewError(ErrorNetwork, errors.New("ldap: could not send message"))
|
|
}
|
|
defer l.finishMessage(messageID)
|
|
|
|
packetResponse, ok := <-channel
|
|
if !ok {
|
|
return nil, NewError(ErrorNetwork, errors.New("ldap: channel closed"))
|
|
}
|
|
packet, err = packetResponse.ReadPacket()
|
|
l.Debug.Printf("%d: got response %p", messageID, packet)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if l.Debug {
|
|
if err := addLDAPDescriptions(packet); err != nil {
|
|
return nil, err
|
|
}
|
|
ber.PrintPacket(packet)
|
|
}
|
|
|
|
result := &SimpleBindResult{
|
|
Controls: make([]Control, 0),
|
|
}
|
|
|
|
if len(packet.Children) == 3 {
|
|
for _, child := range packet.Children[2].Children {
|
|
result.Controls = append(result.Controls, DecodeControl(child))
|
|
}
|
|
}
|
|
|
|
resultCode, resultDescription := getLDAPResultCode(packet)
|
|
if resultCode != 0 {
|
|
return result, NewError(resultCode, errors.New(resultDescription))
|
|
}
|
|
|
|
return result, nil
|
|
}
|
|
|
|
func (l *Conn) Bind(username, password string) error {
|
|
messageID := l.nextMessageID()
|
|
|
|
packet := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "LDAP Request")
|
|
packet.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagInteger, messageID, "MessageID"))
|
|
bindRequest := ber.Encode(ber.ClassApplication, ber.TypeConstructed, ApplicationBindRequest, nil, "Bind Request")
|
|
bindRequest.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagInteger, 3, "Version"))
|
|
bindRequest.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, username, "User Name"))
|
|
bindRequest.AppendChild(ber.NewString(ber.ClassContext, ber.TypePrimitive, 0, password, "Password"))
|
|
packet.AppendChild(bindRequest)
|
|
|
|
if l.Debug {
|
|
ber.PrintPacket(packet)
|
|
}
|
|
|
|
channel, err := l.sendMessage(packet)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if channel == nil {
|
|
return NewError(ErrorNetwork, errors.New("ldap: could not send message"))
|
|
}
|
|
defer l.finishMessage(messageID)
|
|
|
|
packetResponse, ok := <-channel
|
|
if !ok {
|
|
return NewError(ErrorNetwork, errors.New("ldap: channel closed"))
|
|
}
|
|
packet, err = packetResponse.ReadPacket()
|
|
l.Debug.Printf("%d: got response %p", messageID, packet)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if l.Debug {
|
|
if err := addLDAPDescriptions(packet); err != nil {
|
|
return err
|
|
}
|
|
ber.PrintPacket(packet)
|
|
}
|
|
|
|
resultCode, resultDescription := getLDAPResultCode(packet)
|
|
if resultCode != 0 {
|
|
return NewError(resultCode, errors.New(resultDescription))
|
|
}
|
|
|
|
return nil
|
|
}
|