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// +build !linux
// Copyright (C) 2018 LEAP
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package standalone
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"strconv"
"0xacab.org/leap/bitmask-vpn/pkg/standalone/bonafide"
)
const (
helperAddr = "http://localhost:7171"
)
type launcher struct {
}
func newLauncher() (*launcher, error) {
return &launcher{}, nil
}
func (l *launcher) close() error {
return nil
}
func (l *launcher) check() (helpers bool, priviledge bool, err error) {
return true, true, nil
}
func (l *launcher) openvpnStart(flags ...string) error {
byteFlags, err := json.Marshal(flags)
if err != nil {
return err
}
return l.send("/openvpn/start", byteFlags)
}
func (l *launcher) openvpnStop() error {
return l.send("/openvpn/stop", nil)
}
func (l *launcher) firewallStart(gateways []bonafide.Gateway) error {
ipList := make([]string, len(gateways))
for i, gw := range gateways {
ipList[i] = gw.IPAddress
}
byteIPs, err := json.Marshal(ipList)
if err != nil {
return err
}
return l.send("/firewall/start", byteIPs)
}
func (l *launcher) firewallStop() error {
return l.send("/firewall/stop", nil)
}
func (l *launcher) firewallIsUp() bool {
var isup bool = false
res, err := http.Post(helperAddr+"/firewall/isup", "", nil)
if err != nil {
return false
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
fmt.Printf("Got an error status code for firewall/isup: %v\n", res.StatusCode)
isup = false
} else {
upStr, err := ioutil.ReadAll(res.Body)
if err != nil {
fmt.Errorf("Error getting body for firewall/isup: %q", err)
return false
}
isup, err = strconv.ParseBool(string(upStr))
if err != nil {
fmt.Errorf("Error parsing body for firewall/isup: %q", err)
return false
}
}
return isup
}
func (l *launcher) send(path string, body []byte) error {
var reader io.Reader
if body != nil {
reader = bytes.NewReader(body)
}
res, err := http.Post(helperAddr+path, "", reader)
if err != nil {
return err
}
defer res.Body.Close()
resErr, err := ioutil.ReadAll(res.Body)
if len(resErr) > 0 {
return fmt.Errorf("Helper returned an error: %q", resErr)
}
return err
}
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