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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
package pgproto3
import (
"encoding/binary"
"encoding/json"
"errors"
"github.com/jackc/pgio"
)
type AuthenticationGSS struct{}
func (a *AuthenticationGSS) Backend() {}
func (a *AuthenticationGSS) AuthenticationResponse() {}
func (a *AuthenticationGSS) Decode(src []byte) error {
if len(src) < 4 {
return errors.New("authentication message too short")
}
authType := binary.BigEndian.Uint32(src)
if authType != AuthTypeGSS {
return errors.New("bad auth type")
}
return nil
}
func (a *AuthenticationGSS) Encode(dst []byte) []byte {
dst = append(dst, 'R')
dst = pgio.AppendInt32(dst, 4)
dst = pgio.AppendUint32(dst, AuthTypeGSS)
return dst
}
func (a *AuthenticationGSS) MarshalJSON() ([]byte, error) {
return json.Marshal(struct {
Type string
Data []byte
}{
Type: "AuthenticationGSS",
})
}
func (a *AuthenticationGSS) UnmarshalJSON(data []byte) error {
// Ignore null, like in the main JSON package.
if string(data) == "null" {
return nil
}
var msg struct {
Type string
}
if err := json.Unmarshal(data, &msg); err != nil {
return err
}
return nil
}
|
