123 lines
3.1 KiB
Go
123 lines
3.1 KiB
Go
package provider
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
"strings"
|
|
|
|
"github.com/qdm12/golibs/network"
|
|
"github.com/qdm12/private-internet-access-docker/internal/constants"
|
|
"github.com/qdm12/private-internet-access-docker/internal/models"
|
|
)
|
|
|
|
type cyberghost struct{}
|
|
|
|
func newCyberghost() *cyberghost {
|
|
return &cyberghost{}
|
|
}
|
|
|
|
func (c *cyberghost) GetOpenVPNConnections(selection models.ServerSelection) (connections []models.OpenVPNConnection, err error) {
|
|
var IPs []net.IP
|
|
for _, server := range constants.CyberghostServers() {
|
|
if strings.EqualFold(server.Region, selection.Region) && strings.EqualFold(server.Group, selection.Group) {
|
|
IPs = server.IPs
|
|
}
|
|
}
|
|
if len(IPs) == 0 {
|
|
return nil, fmt.Errorf("no IP found for group %q and region %q", selection.Group, selection.Region)
|
|
}
|
|
if selection.TargetIP != nil {
|
|
found := false
|
|
for i := range IPs {
|
|
if IPs[i].Equal(selection.TargetIP) {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
return nil, fmt.Errorf("target IP address %q not found in IP addresses", selection.TargetIP)
|
|
}
|
|
IPs = []net.IP{selection.TargetIP}
|
|
}
|
|
for _, IP := range IPs {
|
|
connections = append(connections, models.OpenVPNConnection{IP: IP, Port: 443, Protocol: selection.Protocol})
|
|
}
|
|
return connections, nil
|
|
}
|
|
|
|
func (c *cyberghost) BuildConf(connections []models.OpenVPNConnection, verbosity, uid, gid int, root bool, cipher, auth string, extras models.ExtraConfigOptions) (lines []string) {
|
|
if len(cipher) == 0 {
|
|
cipher = aes256cbc
|
|
}
|
|
if len(auth) == 0 {
|
|
auth = "SHA256"
|
|
}
|
|
lines = []string{
|
|
"client",
|
|
"dev tun",
|
|
"nobind",
|
|
"persist-key",
|
|
"persist-tun",
|
|
"remote-cert-tls server",
|
|
|
|
// Cyberghost specific
|
|
// "redirect-gateway def1",
|
|
"ncp-disable",
|
|
"ping 5",
|
|
"explicit-exit-notify 2",
|
|
"script-security 2",
|
|
"route-delay 5",
|
|
|
|
// Added constant values
|
|
"auth-nocache",
|
|
"mute-replay-warnings",
|
|
"pull-filter ignore \"auth-token\"", // prevent auth failed loops
|
|
"auth-retry nointeract",
|
|
"remote-random",
|
|
"suppress-timestamps",
|
|
|
|
// Modified variables
|
|
fmt.Sprintf("verb %d", verbosity),
|
|
fmt.Sprintf("auth-user-pass %s", constants.OpenVPNAuthConf),
|
|
fmt.Sprintf("proto %s", connections[0].Protocol),
|
|
fmt.Sprintf("cipher %s", cipher),
|
|
fmt.Sprintf("auth %s", auth),
|
|
}
|
|
if strings.HasSuffix(cipher, "-gcm") {
|
|
lines = append(lines, "ncp-ciphers AES-256-GCM:AES-256-CBC:AES-128-GCM")
|
|
}
|
|
if !root {
|
|
lines = append(lines, "user nonrootuser")
|
|
}
|
|
for _, connection := range connections {
|
|
lines = append(lines, fmt.Sprintf("remote %s %d", connection.IP, connection.Port))
|
|
}
|
|
lines = append(lines, []string{
|
|
"<ca>",
|
|
"-----BEGIN CERTIFICATE-----",
|
|
constants.CyberghostCertificate,
|
|
"-----END CERTIFICATE-----",
|
|
"</ca>",
|
|
}...)
|
|
lines = append(lines, []string{
|
|
"<cert>",
|
|
"-----BEGIN CERTIFICATE-----",
|
|
constants.CyberghostClientCertificate,
|
|
"-----END CERTIFICATE-----",
|
|
"</cert>",
|
|
}...)
|
|
lines = append(lines, []string{
|
|
"<key>",
|
|
"-----BEGIN PRIVATE KEY-----",
|
|
extras.ClientKey,
|
|
"-----END PRIVATE KEY-----",
|
|
"</key>",
|
|
"",
|
|
}...)
|
|
return lines
|
|
}
|
|
|
|
func (c *cyberghost) GetPortForward(client network.Client) (port uint16, err error) {
|
|
panic("port forwarding is not supported for cyberghost")
|
|
}
|