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moddn.go
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moddn.go
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package ldap
import (
"fmt"
ber "github.com/go-asn1-ber/asn1-ber"
)
// ModifyDNRequest holds the request to modify a DN
type ModifyDNRequest struct {
DN string
NewRDN string
DeleteOldRDN bool
NewSuperior string
// Controls hold optional controls to send with the request
Controls []Control
}
// NewModifyDNRequest creates a new request which can be passed to ModifyDN().
//
// To move an object in the tree, set the "newSup" to the new parent entry DN. Use an
// empty string for just changing the object's RDN.
//
// For moving the object without renaming, the "rdn" must be the first
// RDN of the given DN.
//
// A call like
//
// mdnReq := NewModifyDNRequest("uid=someone,dc=example,dc=org", "uid=newname", true, "")
//
// will setup the request to just rename uid=someone,dc=example,dc=org to
// uid=newname,dc=example,dc=org.
func NewModifyDNRequest(dn string, rdn string, delOld bool, newSup string) *ModifyDNRequest {
return &ModifyDNRequest{
DN: dn,
NewRDN: rdn,
DeleteOldRDN: delOld,
NewSuperior: newSup,
}
}
// NewModifyDNWithControlsRequest creates a new request which can be passed to ModifyDN()
// and also allows setting LDAP request controls.
//
// Refer NewModifyDNRequest for other parameters
func NewModifyDNWithControlsRequest(dn string, rdn string, delOld bool,
newSup string, controls []Control) *ModifyDNRequest {
return &ModifyDNRequest{
DN: dn,
NewRDN: rdn,
DeleteOldRDN: delOld,
NewSuperior: newSup,
Controls: controls,
}
}
func (req *ModifyDNRequest) appendTo(envelope *ber.Packet) error {
pkt := ber.Encode(ber.ClassApplication, ber.TypeConstructed, ApplicationModifyDNRequest, nil, "Modify DN Request")
pkt.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, req.DN, "DN"))
pkt.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, req.NewRDN, "New RDN"))
if req.DeleteOldRDN {
buf := []byte{0xff}
pkt.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagBoolean, string(buf), "Delete old RDN"))
} else {
pkt.AppendChild(ber.NewBoolean(ber.ClassUniversal, ber.TypePrimitive, ber.TagBoolean, req.DeleteOldRDN, "Delete old RDN"))
}
if req.NewSuperior != "" {
pkt.AppendChild(ber.NewString(ber.ClassContext, ber.TypePrimitive, 0, req.NewSuperior, "New Superior"))
}
envelope.AppendChild(pkt)
if len(req.Controls) > 0 {
envelope.AppendChild(encodeControls(req.Controls))
}
return nil
}
// ModifyDN renames the given DN and optionally move to another base (when the "newSup" argument
// to NewModifyDNRequest() is not "").
func (l *Conn) ModifyDN(m *ModifyDNRequest) error {
msgCtx, err := l.doRequest(m)
if err != nil {
return err
}
defer l.finishMessage(msgCtx)
packet, err := l.readPacket(msgCtx)
if err != nil {
return err
}
if packet.Children[1].Tag == ApplicationModifyDNResponse {
err := GetLDAPError(packet)
if err != nil {
return err
}
} else {
return fmt.Errorf("ldap: unexpected response: %d", packet.Children[1].Tag)
}
return nil
}