e374bb7e2d
* [Vendor] update go-ldap to v3.0.3 * update go-ldap to v3.2.4 Co-authored-by: techknowlogick <techknowlogick@gitea.io>
133 lines
4.1 KiB
Go
133 lines
4.1 KiB
Go
package ldap
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import (
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"log"
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ber "github.com/go-asn1-ber/asn1-ber"
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)
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// Change operation choices
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const (
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AddAttribute = 0
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DeleteAttribute = 1
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ReplaceAttribute = 2
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IncrementAttribute = 3 // (https://tools.ietf.org/html/rfc4525)
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)
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// PartialAttribute for a ModifyRequest as defined in https://tools.ietf.org/html/rfc4511
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type PartialAttribute struct {
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// Type is the type of the partial attribute
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Type string
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// Vals are the values of the partial attribute
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Vals []string
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}
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func (p *PartialAttribute) encode() *ber.Packet {
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seq := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "PartialAttribute")
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seq.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, p.Type, "Type"))
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set := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSet, nil, "AttributeValue")
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for _, value := range p.Vals {
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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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// Change for a ModifyRequest as defined in https://tools.ietf.org/html/rfc4511
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type Change struct {
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// Operation is the type of change to be made
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Operation uint
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// Modification is the attribute to be modified
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Modification PartialAttribute
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}
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func (c *Change) encode() *ber.Packet {
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change := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Change")
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change.AppendChild(ber.NewInteger(ber.ClassUniversal, ber.TypePrimitive, ber.TagEnumerated, uint64(c.Operation), "Operation"))
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change.AppendChild(c.Modification.encode())
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return change
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}
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// ModifyRequest as defined in https://tools.ietf.org/html/rfc4511
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type ModifyRequest struct {
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// DN is the distinguishedName of the directory entry to modify
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DN string
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// Changes contain the attributes to modify
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Changes []Change
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// Controls hold optional controls to send with the request
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Controls []Control
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}
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// Add appends the given attribute to the list of changes to be made
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func (req *ModifyRequest) Add(attrType string, attrVals []string) {
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req.appendChange(AddAttribute, attrType, attrVals)
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}
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// Delete appends the given attribute to the list of changes to be made
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func (req *ModifyRequest) Delete(attrType string, attrVals []string) {
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req.appendChange(DeleteAttribute, attrType, attrVals)
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}
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// Replace appends the given attribute to the list of changes to be made
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func (req *ModifyRequest) Replace(attrType string, attrVals []string) {
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req.appendChange(ReplaceAttribute, attrType, attrVals)
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}
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// Increment appends the given attribute to the list of changes to be made
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func (req *ModifyRequest) Increment(attrType string, attrVal string) {
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req.appendChange(IncrementAttribute, attrType, []string{attrVal})
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}
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func (req *ModifyRequest) appendChange(operation uint, attrType string, attrVals []string) {
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req.Changes = append(req.Changes, Change{operation, PartialAttribute{Type: attrType, Vals: attrVals}})
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}
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func (req *ModifyRequest) appendTo(envelope *ber.Packet) error {
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pkt := ber.Encode(ber.ClassApplication, ber.TypeConstructed, ApplicationModifyRequest, nil, "Modify Request")
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pkt.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, req.DN, "DN"))
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changes := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Changes")
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for _, change := range req.Changes {
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changes.AppendChild(change.encode())
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}
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pkt.AppendChild(changes)
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envelope.AppendChild(pkt)
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if len(req.Controls) > 0 {
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envelope.AppendChild(encodeControls(req.Controls))
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}
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return nil
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}
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// NewModifyRequest creates a modify request for the given DN
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func NewModifyRequest(dn string, controls []Control) *ModifyRequest {
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return &ModifyRequest{
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DN: dn,
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Controls: controls,
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}
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}
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// Modify performs the ModifyRequest
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func (l *Conn) Modify(modifyRequest *ModifyRequest) error {
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msgCtx, err := l.doRequest(modifyRequest)
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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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packet, err := l.readPacket(msgCtx)
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if err != nil {
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return err
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}
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if packet.Children[1].Tag == ApplicationModifyResponse {
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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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return nil
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}
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