File: client_claims.go

package info (click to toggle)
golang-gopkg-jcmturner-gokrb5.v5 5.3.0%2Bdfsg-2
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, bullseye, bullseye-backports, sid
  • size: 1,168 kB
  • sloc: makefile: 2
file content (41 lines) | stat: -rw-r--r-- 1,004 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
package pac

import (
	"fmt"

	"gopkg.in/jcmturner/gokrb5.v5/mstypes"
	"gopkg.in/jcmturner/rpc.v0/ndr"
)

// Claims reference: https://msdn.microsoft.com/en-us/library/hh553895.aspx

// ClientClaimsInfo implements https://msdn.microsoft.com/en-us/library/hh536365.aspx
type ClientClaimsInfo struct {
	Claims mstypes.ClaimsSetMetadata
}

// Unmarshal bytes into the ClientClaimsInfo struct
func (k *ClientClaimsInfo) Unmarshal(b []byte) error {
	ch, _, p, err := ndr.ReadHeaders(&b)
	if err != nil {
		return fmt.Errorf("error parsing byte stream headers of CLIENT_CLAIMS_INFO: %v", err)
	}
	e := &ch.Endianness
	//The next 4 bytes are an RPC unique pointer referent. We just skip these
	p += 4

	k.Claims, err = mstypes.ReadClaimsSetMetadata(&b, &p, e)
	if err != nil {
		return err
	}

	//Check that there is only zero padding left
	if len(b) >= p {
		for _, v := range b[p:] {
			if v != 0 {
				return ndr.Malformed{EText: "non-zero padding left over at end of data stream"}
			}
		}
	}
	return nil
}