forked from mystiq/dex
109 lines
3 KiB
Go
109 lines
3 KiB
Go
//
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// https://tools.ietf.org/html/rfc4511
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//
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// AddRequest ::= [APPLICATION 8] SEQUENCE {
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// entry LDAPDN,
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// attributes AttributeList }
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//
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// AttributeList ::= SEQUENCE OF attribute Attribute
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package ldap
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import (
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"errors"
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"log"
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"gopkg.in/asn1-ber.v1"
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)
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type Attribute struct {
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attrType string
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attrVals []string
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}
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func (a *Attribute) encode() *ber.Packet {
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seq := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Attribute")
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seq.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, a.attrType, "Type"))
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set := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSet, nil, "AttributeValue")
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for _, value := range a.attrVals {
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set.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, value, "Vals"))
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}
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seq.AppendChild(set)
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return seq
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}
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type AddRequest struct {
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dn string
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attributes []Attribute
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}
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func (a AddRequest) encode() *ber.Packet {
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request := ber.Encode(ber.ClassApplication, ber.TypeConstructed, ApplicationAddRequest, nil, "Add Request")
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request.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, a.dn, "DN"))
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attributes := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Attributes")
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for _, attribute := range a.attributes {
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attributes.AppendChild(attribute.encode())
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}
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request.AppendChild(attributes)
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return request
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}
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func (a *AddRequest) Attribute(attrType string, attrVals []string) {
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a.attributes = append(a.attributes, Attribute{attrType: attrType, attrVals: attrVals})
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}
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func NewAddRequest(dn string) *AddRequest {
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return &AddRequest{
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dn: dn,
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}
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}
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func (l *Conn) Add(addRequest *AddRequest) error {
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messageID := l.nextMessageID()
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packet := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "LDAP Request")
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packet.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagInteger, messageID, "MessageID"))
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packet.AppendChild(addRequest.encode())
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l.Debug.PrintPacket(packet)
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channel, err := l.sendMessage(packet)
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if err != nil {
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return err
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}
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if channel == nil {
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return NewError(ErrorNetwork, errors.New("ldap: could not send message"))
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}
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defer l.finishMessage(messageID)
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l.Debug.Printf("%d: waiting for response", messageID)
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packetResponse, ok := <-channel
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if !ok {
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return NewError(ErrorNetwork, errors.New("ldap: channel closed"))
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}
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packet, err = packetResponse.ReadPacket()
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l.Debug.Printf("%d: got response %p", messageID, packet)
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if err != nil {
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return err
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}
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if l.Debug {
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if err := addLDAPDescriptions(packet); err != nil {
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return err
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}
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ber.PrintPacket(packet)
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}
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if packet.Children[1].Tag == ApplicationAddResponse {
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resultCode, resultDescription := getLDAPResultCode(packet)
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if resultCode != 0 {
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return NewError(resultCode, errors.New(resultDescription))
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}
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} else {
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log.Printf("Unexpected Response: %d", packet.Children[1].Tag)
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}
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l.Debug.Printf("%d: returning", messageID)
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return nil
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}
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