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https://codeberg.org/forgejo/forgejo
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105 lines
3.2 KiB
Go
105 lines
3.2 KiB
Go
// Package ldap - moddn.go contains ModifyDN functionality
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//
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// https://tools.ietf.org/html/rfc4511
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// ModifyDNRequest ::= [APPLICATION 12] SEQUENCE {
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// entry LDAPDN,
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// newrdn RelativeLDAPDN,
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// deleteoldrdn BOOLEAN,
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// newSuperior [0] LDAPDN OPTIONAL }
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//
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//
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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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// ModifyDNRequest holds the request to modify a DN
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type ModifyDNRequest struct {
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DN string
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NewRDN string
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DeleteOldRDN bool
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NewSuperior string
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}
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// NewModifyDNRequest creates a new request which can be passed to ModifyDN().
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//
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// To move an object in the tree, set the "newSup" to the new parent entry DN. Use an
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// empty string for just changing the object's RDN.
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//
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// For moving the object without renaming, the "rdn" must be the first
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// RDN of the given DN.
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//
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// A call like
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// mdnReq := NewModifyDNRequest("uid=someone,dc=example,dc=org", "uid=newname", true, "")
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// will setup the request to just rename uid=someone,dc=example,dc=org to
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// uid=newname,dc=example,dc=org.
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func NewModifyDNRequest(dn string, rdn string, delOld bool, newSup string) *ModifyDNRequest {
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return &ModifyDNRequest{
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DN: dn,
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NewRDN: rdn,
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DeleteOldRDN: delOld,
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NewSuperior: newSup,
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}
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}
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func (m ModifyDNRequest) encode() *ber.Packet {
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request := ber.Encode(ber.ClassApplication, ber.TypeConstructed, ApplicationModifyDNRequest, nil, "Modify DN Request")
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request.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, m.DN, "DN"))
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request.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, m.NewRDN, "New RDN"))
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request.AppendChild(ber.NewBoolean(ber.ClassUniversal, ber.TypePrimitive, ber.TagBoolean, m.DeleteOldRDN, "Delete old RDN"))
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if m.NewSuperior != "" {
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request.AppendChild(ber.NewString(ber.ClassContext, ber.TypePrimitive, 0, m.NewSuperior, "New Superior"))
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}
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return request
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}
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// ModifyDN renames the given DN and optionally move to another base (when the "newSup" argument
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// to NewModifyDNRequest() is not "").
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func (l *Conn) ModifyDN(m *ModifyDNRequest) error {
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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, l.nextMessageID(), "MessageID"))
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packet.AppendChild(m.encode())
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l.Debug.PrintPacket(packet)
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msgCtx, 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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defer l.finishMessage(msgCtx)
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l.Debug.Printf("%d: waiting for response", msgCtx.id)
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packetResponse, ok := <-msgCtx.responses
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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", msgCtx.id, 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 == ApplicationModifyDNResponse {
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err := GetLDAPError(packet)
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if err != nil {
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return err
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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", msgCtx.id)
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return nil
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}
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