Files
gluetun/internal/vpn/portforward.go
2024-07-29 13:55:28 +00:00

71 lines
1.9 KiB
Go

package vpn
import (
"context"
"errors"
"fmt"
"github.com/qdm12/gluetun/internal/portforward"
"github.com/qdm12/gluetun/internal/portforward/service"
pfutils "github.com/qdm12/gluetun/internal/provider/utils"
)
func getPortForwarder(provider Provider, providers Providers, //nolint:ireturn
customPortForwarderName string) (portForwarder PortForwarder) {
if customPortForwarderName != "" {
provider = providers.Get(customPortForwarderName)
}
portForwarder, ok := provider.(PortForwarder)
if ok {
return portForwarder
}
return newNoPortForwarder(provider.Name())
}
func (l *Loop) startPortForwarding(data tunnelUpData) (err error) {
partialUpdate := portforward.Settings{
VPNIsUp: ptrTo(true),
Service: service.Settings{
PortForwarder: data.portForwarder,
Interface: data.vpnIntf,
ServerName: data.serverName,
CanPortForward: data.canPortForward,
Username: data.username,
Password: data.password,
},
}
return l.portForward.UpdateWith(partialUpdate)
}
func (l *Loop) stopPortForwarding() (err error) {
partialUpdate := portforward.Settings{
VPNIsUp: ptrTo(false),
}
return l.portForward.UpdateWith(partialUpdate)
}
type noPortForwarder struct {
providerName string
}
func newNoPortForwarder(providerName string) *noPortForwarder {
return &noPortForwarder{
providerName: providerName,
}
}
var ErrPortForwardingNotSupported = errors.New("custom port forwarding obtention is not supported")
func (n *noPortForwarder) Name() string {
return n.providerName
}
func (n *noPortForwarder) PortForward(context.Context, pfutils.PortForwardObjects) (
ports []uint16, err error) {
return nil, fmt.Errorf("%w: for %s", ErrPortForwardingNotSupported, n.providerName)
}
func (n *noPortForwarder) KeepPortForward(context.Context, pfutils.PortForwardObjects) (err error) {
return fmt.Errorf("%w: for %s", ErrPortForwardingNotSupported, n.providerName)
}