Files
gluetun/internal/vpn/openvpn.go
Quentin McGaw 5ddd703f6a feat(vpn): auto detection of IPv6 support
- `OPENVPN_IPV6` removed
- Affects OpenVPN
- Use the same mechanism for OpenVPN and Wireguard
- Check only once at program start since this is unlikely to change at runtime
- Log if IPv6 is supported
- Remove `IPv6` boolean from settings structs
- Move IPv6 detection as a method on NetLinker
2022-09-06 12:16:29 +00:00

52 lines
1.7 KiB
Go

package vpn
import (
"context"
"fmt"
"github.com/qdm12/gluetun/internal/configuration/settings"
"github.com/qdm12/gluetun/internal/openvpn"
"github.com/qdm12/gluetun/internal/provider"
"github.com/qdm12/golibs/command"
)
// setupOpenVPN sets OpenVPN up using the configurators and settings given.
// It returns a serverName for port forwarding (PIA) and an error if it fails.
func setupOpenVPN(ctx context.Context, fw Firewall,
openvpnConf OpenVPN, providerConf provider.Provider,
settings settings.VPN, ipv6Supported bool, starter command.Starter,
logger openvpn.Logger) (runner *openvpn.Runner, serverName string, err error) {
connection, err := providerConf.GetConnection(settings.Provider.ServerSelection)
if err != nil {
return nil, "", fmt.Errorf("failed finding a valid server connection: %w", err)
}
lines := providerConf.OpenVPNConfig(connection, settings.OpenVPN, ipv6Supported)
if err := openvpnConf.WriteConfig(lines); err != nil {
return nil, "", fmt.Errorf("failed writing configuration to file: %w", err)
}
if *settings.OpenVPN.User != "" {
err := openvpnConf.WriteAuthFile(*settings.OpenVPN.User, *settings.OpenVPN.Password)
if err != nil {
return nil, "", fmt.Errorf("failed writing auth to file: %w", err)
}
}
if *settings.OpenVPN.KeyPassphrase != "" {
err := openvpnConf.WriteAskPassFile(*settings.OpenVPN.KeyPassphrase)
if err != nil {
return nil, "", fmt.Errorf("writing askpass file: %w", err)
}
}
if err := fw.SetVPNConnection(ctx, connection, settings.OpenVPN.Interface); err != nil {
return nil, "", fmt.Errorf("failed allowing VPN connection through firewall: %w", err)
}
runner = openvpn.NewRunner(settings.OpenVPN, starter, logger)
return runner, connection.ServerName, nil
}