Files
gluetun/internal/vpn/openvpn.go
2022-02-20 02:58:16 +00:00

49 lines
1.6 KiB
Go

package vpn
import (
"context"
"fmt"
"github.com/qdm12/gluetun/internal/configuration/settings"
"github.com/qdm12/gluetun/internal/firewall"
"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.VPNConnectionSetter,
openvpnConf openvpn.Interface, providerConf provider.Provider,
settings settings.VPN, starter command.Starter, logger openvpn.Logger) (
runner vpnRunner, 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, err := providerConf.BuildConf(connection, settings.OpenVPN)
if err != nil {
return nil, "", fmt.Errorf("failed building configuration: %w", err)
}
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 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.Hostname, nil
}