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//go:build windows
// +build windows
package kerberos
import (
"github.com/alexbrainman/sspi"
"github.com/alexbrainman/sspi/negotiate"
)
// GSS implements the pq.GSS interface.
type GSS struct {
creds *sspi.Credentials
ctx *negotiate.ClientContext
}
// NewGSS creates a new GSS provider.
func NewGSS() (*GSS, error) {
g := &GSS{}
err := g.init()
if err != nil {
return nil, err
}
return g, nil
}
func (g *GSS) init() error {
creds, err := negotiate.AcquireCurrentUserCredentials()
if err != nil {
return err
}
g.creds = creds
return nil
}
// GetInitToken implements the GSS interface.
func (g *GSS) GetInitToken(host string, service string) ([]byte, error) {
host, err := canonicalizeHostname(host)
if err != nil {
return nil, err
}
spn := service + "/" + host
return g.GetInitTokenFromSpn(spn)
}
// GetInitTokenFromSpn implements the GSS interface.
func (g *GSS) GetInitTokenFromSpn(spn string) ([]byte, error) {
ctx, token, err := negotiate.NewClientContext(g.creds, spn)
if err != nil {
return nil, err
}
g.ctx = ctx
return token, nil
}
// Continue implements the GSS interface.
func (g *GSS) Continue(inToken []byte) (done bool, outToken []byte, err error) {
return g.ctx.Update(inToken)
}
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