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- package ldap
- import (
- "errors"
- "log"
- "gopkg.in/asn1-ber.v1"
- )
- const (
- AddAttribute = 0
- DeleteAttribute = 1
- ReplaceAttribute = 2
- )
- type PartialAttribute struct {
-
- Type string
-
- Vals []string
- }
- func (p *PartialAttribute) encode() *ber.Packet {
- seq := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "PartialAttribute")
- seq.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, p.Type, "Type"))
- set := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSet, nil, "AttributeValue")
- for _, value := range p.Vals {
- set.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, value, "Vals"))
- }
- seq.AppendChild(set)
- return seq
- }
- type ModifyRequest struct {
-
- DN string
-
- AddAttributes []PartialAttribute
-
- DeleteAttributes []PartialAttribute
-
- ReplaceAttributes []PartialAttribute
- }
- func (m *ModifyRequest) Add(attrType string, attrVals []string) {
- m.AddAttributes = append(m.AddAttributes, PartialAttribute{Type: attrType, Vals: attrVals})
- }
- func (m *ModifyRequest) Delete(attrType string, attrVals []string) {
- m.DeleteAttributes = append(m.DeleteAttributes, PartialAttribute{Type: attrType, Vals: attrVals})
- }
- func (m *ModifyRequest) Replace(attrType string, attrVals []string) {
- m.ReplaceAttributes = append(m.ReplaceAttributes, PartialAttribute{Type: attrType, Vals: attrVals})
- }
- func (m ModifyRequest) encode() *ber.Packet {
- request := ber.Encode(ber.ClassApplication, ber.TypeConstructed, ApplicationModifyRequest, nil, "Modify Request")
- request.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, m.DN, "DN"))
- changes := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Changes")
- for _, attribute := range m.AddAttributes {
- change := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Change")
- change.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagEnumerated, uint64(AddAttribute), "Operation"))
- change.AppendChild(attribute.encode())
- changes.AppendChild(change)
- }
- for _, attribute := range m.DeleteAttributes {
- change := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Change")
- change.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagEnumerated, uint64(DeleteAttribute), "Operation"))
- change.AppendChild(attribute.encode())
- changes.AppendChild(change)
- }
- for _, attribute := range m.ReplaceAttributes {
- change := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Change")
- change.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagEnumerated, uint64(ReplaceAttribute), "Operation"))
- change.AppendChild(attribute.encode())
- changes.AppendChild(change)
- }
- request.AppendChild(changes)
- return request
- }
- func NewModifyRequest(
- dn string,
- ) *ModifyRequest {
- return &ModifyRequest{
- DN: dn,
- }
- }
- func (l *Conn) Modify(modifyRequest *ModifyRequest) error {
- packet := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "LDAP Request")
- packet.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagInteger, l.nextMessageID(), "MessageID"))
- packet.AppendChild(modifyRequest.encode())
- l.Debug.PrintPacket(packet)
- msgCtx, err := l.sendMessage(packet)
- if err != nil {
- return err
- }
- defer l.finishMessage(msgCtx)
- l.Debug.Printf("%d: waiting for response", msgCtx.id)
- packetResponse, ok := <-msgCtx.responses
- if !ok {
- return NewError(ErrorNetwork, errors.New("ldap: response channel closed"))
- }
- packet, err = packetResponse.ReadPacket()
- l.Debug.Printf("%d: got response %p", msgCtx.id, packet)
- if err != nil {
- return err
- }
- if l.Debug {
- if err := addLDAPDescriptions(packet); err != nil {
- return err
- }
- ber.PrintPacket(packet)
- }
- if packet.Children[1].Tag == ApplicationModifyResponse {
- resultCode, resultDescription := getLDAPResultCode(packet)
- if resultCode != 0 {
- return NewError(resultCode, errors.New(resultDescription))
- }
- } else {
- log.Printf("Unexpected Response: %d", packet.Children[1].Tag)
- }
- l.Debug.Printf("%d: returning", msgCtx.id)
- return nil
- }
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