c40d4e075e
- Move validation functions from `internal/constants` to `internal/configuration/settings/validation` - Concatenate all OpenVPN constants in `internal/constants/openvpn.go`
94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
package cyberghost
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import (
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"fmt"
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"strconv"
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"github.com/qdm12/gluetun/internal/configuration/settings"
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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/openvpn/parse"
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"github.com/qdm12/gluetun/internal/provider/utils"
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)
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func (c *Cyberghost) BuildConf(connection models.Connection,
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settings settings.OpenVPN) (lines []string, err error) {
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if len(settings.Ciphers) == 0 {
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settings.Ciphers = []string{
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constants.AES256gcm,
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constants.AES256cbc,
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constants.AES128gcm,
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}
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}
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auth := *settings.Auth
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if auth == "" {
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auth = constants.SHA256
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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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// Cyberghost specific
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"ping 10",
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"remote-cert-tls server",
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"auth-user-pass " + constants.OpenVPNAuthConf,
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"auth " + auth,
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// Added constant values
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"auth-nocache",
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"mute-replay-warnings",
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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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// Connection 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.ProcessUser != "root" {
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lines = append(lines, "user "+settings.ProcessUser)
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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.MSSFix > 0 {
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lines = append(lines, "mssfix "+strconv.Itoa(int(*settings.MSSFix)))
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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.WrapOpenvpnCA(
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constants.CyberghostCA)...)
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certData, err := parse.ExtractCert([]byte(*settings.ClientCrt))
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if err != nil {
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return nil, fmt.Errorf("client cert is not valid: %w", err)
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}
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lines = append(lines, utils.WrapOpenvpnCert(certData)...)
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keyData, err := parse.ExtractPrivateKey([]byte(*settings.ClientKey))
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if err != nil {
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return nil, fmt.Errorf("client key is not valid: %w", err)
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}
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lines = append(lines, utils.WrapOpenvpnKey(keyData)...)
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lines = append(lines, "")
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return lines, nil
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}
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