ca975b1c01
- 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
86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
package expressvpn
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import (
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"strconv"
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"github.com/qdm12/gluetun/internal/configuration"
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"github.com/qdm12/gluetun/internal/constants"
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"github.com/qdm12/gluetun/internal/models"
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"github.com/qdm12/gluetun/internal/provider/utils"
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)
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func (p *Provider) BuildConf(connection models.Connection,
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settings configuration.OpenVPN) (lines []string, err error) {
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if len(settings.Ciphers) == 0 {
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settings.Ciphers = []string{constants.AES256cbc}
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}
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if settings.Auth == "" {
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settings.Auth = constants.SHA512
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}
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if settings.MSSFix == 0 {
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settings.MSSFix = 1200
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}
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lines = []string{
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"client",
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"nobind",
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"tls-exit",
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"dev " + settings.Interface,
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"verb " + strconv.Itoa(settings.Verbosity),
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// Expressvpn specific
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"fast-io",
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"fragment 1300",
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"mssfix " + strconv.Itoa(int(settings.MSSFix)),
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"sndbuf 524288",
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"rcvbuf 524288",
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"verify-x509-name Server name-prefix", // security hole I guess?
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"remote-cert-tls server", // updated name of ns-cert-type
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"key-direction 1",
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"auth-user-pass " + constants.OpenVPNAuthConf,
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"auth " + settings.Auth,
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// Added constant values
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"mute-replay-warnings",
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"auth-nocache",
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"pull-filter ignore \"auth-token\"", // prevent auth failed loops
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"auth-retry nointeract",
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"suppress-timestamps",
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// Modified variables
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connection.OpenVPNProtoLine(),
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connection.OpenVPNRemoteLine(),
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}
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lines = append(lines, utils.CipherLines(settings.Ciphers, settings.Version)...)
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if connection.Protocol == constants.UDP {
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lines = append(lines, "explicit-exit-notify")
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}
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if !settings.Root {
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lines = append(lines, "user "+settings.ProcUser)
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lines = append(lines, "persist-tun")
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lines = append(lines, "persist-key")
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}
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if !settings.IPv6 {
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lines = append(lines, `pull-filter ignore "route-ipv6"`)
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lines = append(lines, `pull-filter ignore "ifconfig-ipv6"`)
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}
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lines = append(lines, utils.WrapOpenvpnCert(
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constants.ExpressvpnCert)...)
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lines = append(lines, utils.WrapOpenvpnRSAKey(
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constants.ExpressvpnRSAKey)...)
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lines = append(lines, utils.WrapOpenvpnTLSAuth(
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constants.ExpressvpnTLSAuthOpenvpnStaticKeyV1)...)
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lines = append(lines, utils.WrapOpenvpnCA(
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constants.ExpressvpnCA)...)
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lines = append(lines, "")
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return lines, nil
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}
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