mirror of
https://github.com/cwinfo/matterbridge.git
synced 2024-09-20 20:42:31 +00:00
81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
// File contains Compare functionality
|
|
//
|
|
// https://tools.ietf.org/html/rfc4511
|
|
//
|
|
// CompareRequest ::= [APPLICATION 14] SEQUENCE {
|
|
// entry LDAPDN,
|
|
// ava AttributeValueAssertion }
|
|
//
|
|
// AttributeValueAssertion ::= SEQUENCE {
|
|
// attributeDesc AttributeDescription,
|
|
// assertionValue AssertionValue }
|
|
//
|
|
// AttributeDescription ::= LDAPString
|
|
// -- Constrained to <attributedescription>
|
|
// -- [RFC4512]
|
|
//
|
|
// AttributeValue ::= OCTET STRING
|
|
//
|
|
|
|
package ldap
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
ber "github.com/go-asn1-ber/asn1-ber"
|
|
)
|
|
|
|
// CompareRequest represents an LDAP CompareRequest operation.
|
|
type CompareRequest struct {
|
|
DN string
|
|
Attribute string
|
|
Value string
|
|
}
|
|
|
|
func (req *CompareRequest) appendTo(envelope *ber.Packet) error {
|
|
pkt := ber.Encode(ber.ClassApplication, ber.TypeConstructed, ApplicationCompareRequest, nil, "Compare Request")
|
|
pkt.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, req.DN, "DN"))
|
|
|
|
ava := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "AttributeValueAssertion")
|
|
ava.AppendChild(ber.NewString(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, req.Attribute, "AttributeDesc"))
|
|
ava.AppendChild(ber.Encode(ber.ClassUniversal, ber.TypePrimitive, ber.TagOctetString, req.Value, "AssertionValue"))
|
|
|
|
pkt.AppendChild(ava)
|
|
|
|
envelope.AppendChild(pkt)
|
|
|
|
return nil
|
|
}
|
|
|
|
// Compare checks to see if the attribute of the dn matches value. Returns true if it does otherwise
|
|
// false with any error that occurs if any.
|
|
func (l *Conn) Compare(dn, attribute, value string) (bool, error) {
|
|
msgCtx, err := l.doRequest(&CompareRequest{
|
|
DN: dn,
|
|
Attribute: attribute,
|
|
Value: value})
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer l.finishMessage(msgCtx)
|
|
|
|
packet, err := l.readPacket(msgCtx)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
if packet.Children[1].Tag == ApplicationCompareResponse {
|
|
err := GetLDAPError(packet)
|
|
|
|
switch {
|
|
case IsErrorWithCode(err, LDAPResultCompareTrue):
|
|
return true, nil
|
|
case IsErrorWithCode(err, LDAPResultCompareFalse):
|
|
return false, nil
|
|
default:
|
|
return false, err
|
|
}
|
|
}
|
|
return false, fmt.Errorf("unexpected Response: %d", packet.Children[1].Tag)
|
|
}
|