Files
gluetun/internal/provider/fastestvpn/openvpnconf.go
Quentin McGaw (desktop) ca975b1c01 Feat: multiple OpenVPN ciphers for negotiation
- Perfect privacy to accept AES-256-CBC and AES-256-GCM
- Cyberghost default cipher set to AES-256-GCM
- `OPENVPN_CIPHER` accept comma separated cipher values
- Use `ncp-ciphers` for OpenVPN 2.4
2021-10-05 20:36:23 +00:00

81 lines
2.3 KiB
Go

package fastestvpn
import (
"strconv"
"github.com/qdm12/gluetun/internal/configuration"
"github.com/qdm12/gluetun/internal/constants"
"github.com/qdm12/gluetun/internal/models"
"github.com/qdm12/gluetun/internal/provider/utils"
)
func (f *Fastestvpn) BuildConf(connection models.Connection,
settings configuration.OpenVPN) (lines []string, err error) {
if len(settings.Ciphers) == 0 {
settings.Ciphers = []string{constants.AES256cbc}
}
if settings.Auth == "" {
settings.Auth = constants.SHA256
}
if settings.MSSFix == 0 {
settings.MSSFix = 1450
}
lines = []string{
"client",
"nobind",
"tls-exit",
"dev " + settings.Interface,
"verb " + strconv.Itoa(settings.Verbosity),
// Fastestvpn specific
"mssfix " + strconv.Itoa(int(settings.MSSFix)), // defaults to 1450
"tls-cipher TLS-DHE-RSA-WITH-AES-256-GCM-SHA384:TLS-DHE-RSA-WITH-AES-256-CBC-SHA256:TLS-DHE-RSA-WITH-CAMELLIA-256-CBC-SHA:TLS-DHE-RSA-WITH-AES-256-CBC-SHA:TLS-RSA-WITH-CAMELLIA-256-CBC-SHA:TLS-RSA-WITH-AES-256-CBC-SHA", //nolint:lll
"key-direction 1",
"auth-user-pass " + constants.OpenVPNAuthConf,
"auth " + settings.Auth,
"comp-lzo",
"reneg-sec 0",
// Added constant values
"auth-nocache",
"mute-replay-warnings",
// "pull-filter ignore \"auth-token\"", // needed for FastestVPN
"auth-retry nointeract",
"suppress-timestamps",
// Connection variables
connection.OpenVPNProtoLine(),
connection.OpenVPNRemoteLine(),
}
lines = append(lines, utils.CipherLines(settings.Ciphers, settings.Version)...)
if connection.Protocol == constants.UDP {
lines = append(lines, "explicit-exit-notify")
lines = append(lines, "tun-mtu 1500") // FastestVPN specific
lines = append(lines, "tun-mtu-extra 32") // FastestVPN specific
lines = append(lines, "ping 15") // FastestVPN specific
}
if !settings.Root {
lines = append(lines, "user "+settings.ProcUser)
lines = append(lines, "persist-tun")
lines = append(lines, "persist-key")
}
if !settings.IPv6 {
lines = append(lines, `pull-filter ignore "route-ipv6"`)
lines = append(lines, `pull-filter ignore "ifconfig-ipv6"`)
}
lines = append(lines, utils.WrapOpenvpnCA(
constants.FastestvpnCertificate)...)
lines = append(lines, utils.WrapOpenvpnTLSAuth(
constants.FastestvpnOpenvpnStaticKeyV1)...)
lines = append(lines, "")
return lines, nil
}