Files
gluetun/internal/openvpn/custom/custom.go
Quentin McGaw (desktop) bec8ff27ae Feat: OPENVPN_INTERFACE defaulting to tun0
- Fix: custom config with custom network interface name for firewall
- Keep VPN tunnel interface in firewall state
- Vul fix: only allow traffic through vpn interface when needed
- Adapt code to adapt to network interface name
- Remove outdated TUN and TAP constants
2021-08-19 23:22:55 +00:00

36 lines
900 B
Go

package custom
import (
"errors"
"fmt"
"github.com/qdm12/gluetun/internal/configuration"
"github.com/qdm12/gluetun/internal/models"
)
var (
ErrReadCustomConfig = errors.New("cannot read custom configuration file")
ErrExtractConnection = errors.New("cannot extract connection from custom configuration file")
)
func BuildConfig(settings configuration.OpenVPN) (
lines []string, connection models.Connection, intf string, err error) {
lines, err = readCustomConfigLines(settings.Config)
if err != nil {
return nil, connection, "", fmt.Errorf("%w: %s", ErrReadCustomConfig, err)
}
connection, intf, err = extractDataFromLines(lines)
if err != nil {
return nil, connection, "", fmt.Errorf("%w: %s", ErrExtractConnection, err)
}
if intf == "" {
intf = settings.Interface
}
lines = modifyCustomConfig(lines, settings, connection, intf)
return lines, connection, intf, nil
}