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forgejo/vendor/github.com/go-ldap/ldap/v3/request.go
6543 e374bb7e2d
[Vendor] Update go-ldap to v3.2.4 (#13163)
* [Vendor] update go-ldap to v3.0.3

* update go-ldap to v3.2.4

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2020-10-15 15:27:33 -04:00

66 lines
1.5 KiB
Go
Vendored

package ldap
import (
"errors"
ber "github.com/go-asn1-ber/asn1-ber"
)
var (
errRespChanClosed = errors.New("ldap: response channel closed")
errCouldNotRetMsg = errors.New("ldap: could not retrieve message")
)
type request interface {
appendTo(*ber.Packet) error
}
type requestFunc func(*ber.Packet) error
func (f requestFunc) appendTo(p *ber.Packet) error {
return f(p)
}
func (l *Conn) doRequest(req request) (*messageContext, 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"))
if err := req.appendTo(packet); err != nil {
return nil, err
}
if l.Debug {
l.Debug.PrintPacket(packet)
}
msgCtx, err := l.sendMessage(packet)
if err != nil {
return nil, err
}
l.Debug.Printf("%d: returning", msgCtx.id)
return msgCtx, nil
}
func (l *Conn) readPacket(msgCtx *messageContext) (*ber.Packet, error) {
l.Debug.Printf("%d: waiting for response", msgCtx.id)
packetResponse, ok := <-msgCtx.responses
if !ok {
return nil, NewError(ErrorNetwork, errRespChanClosed)
}
packet, err := packetResponse.ReadPacket()
l.Debug.Printf("%d: got response %p", msgCtx.id, packet)
if err != nil {
return nil, err
}
if packet == nil {
return nil, NewError(ErrorNetwork, errCouldNotRetMsg)
}
if l.Debug {
if err = addLDAPDescriptions(packet); err != nil {
return nil, err
}
l.Debug.PrintPacket(packet)
}
return packet, nil
}