Exemplo n.º 1
0
func (p *Profile) parseLine(line string) {
	p.pushOutput(string(line))

	if strings.Contains(line, "Initialization Sequence Completed") {
		p.Status = "connected"
		p.update()
	} else if strings.Contains(line, "Inactivity timeout") {
		p.Status = "reconnecting"
		p.update()
	} else if strings.Contains(line, "AUTH_FAILED") || strings.Contains(
		line, "auth-failure") {

		evt := event.Event{
			Type: "auto_error",
			Data: p,
		}
		evt.Init()
	} else if strings.Contains(line, "link remote:") {
		sIndex := strings.LastIndex(line, "]") + 1
		eIndex := strings.LastIndex(line, ":")

		p.ServerAddr = line[sIndex:eIndex]
		p.update()
	} else if strings.Contains(line, "network/local/netmask") {
		eIndex := strings.LastIndex(line, "/")
		line = line[:eIndex]
		sIndex := strings.LastIndex(line, "/") + 1

		p.ClientAddr = line[sIndex:]
		p.update()
	} else if strings.Contains(line, "ifconfig") && strings.Contains(
		line, "netmask") {

		sIndex := strings.Index(line, "ifconfig") + 9
		eIndex := strings.Index(line, "netmask")
		line = line[sIndex:eIndex]

		split := strings.Split(line, " ")
		if len(split) > 2 {
			p.ClientAddr = split[1]
			p.update()
		}
	} else if strings.Contains(line, "ip addr add dev") {
		sIndex := strings.Index(line, "ip addr add dev") + 16
		eIndex := strings.Index(line, "broadcast")
		line = line[sIndex:eIndex]
		split := strings.Split(line, " ")

		if len(split) > 1 {
			split := strings.Split(split[1], "/")
			if len(split) > 1 {
				p.ClientAddr = split[0]
				p.update()
			}
		}
	}
}
Exemplo n.º 2
0
func (p *Profile) update() {
	evt := event.Event{
		Type: "update",
		Data: p,
	}
	evt.Init()

	status := GetStatus()

	if status {
		evt := event.Event{
			Type: "connected",
		}
		evt.Init()
	} else {
		evt := event.Event{
			Type: "disconnected",
		}
		evt.Init()
	}
}
Exemplo n.º 3
0
func (p *Profile) Start(timeout bool) (err error) {
	start := time.Now()

	p.Status = "connecting"
	p.Timestamp = start.Unix()

	profilesLock.Lock()
	_, ok := Profiles[p.Id]
	if ok {
		profilesLock.Unlock()
		return
	}
	Profiles[p.Id] = p
	profilesLock.Unlock()

	confPath, err := p.write()
	if err != nil {
		p.clearStatus(start)
		return
	}

	var authPath string
	if p.Username != "" || p.Password != "" {
		authPath, err = p.writeAuth()
		if err != nil {
			p.clearStatus(start)
			return
		}
	}

	p.update()

	args := []string{
		"--config", confPath,
		"--script-security", "1",
		"--verb", "2",
	}

	if authPath != "" {
		args = append(args, "--auth-user-pass", authPath)
	}

	cmd := exec.Command(getOpenvpnPath(), args...)
	p.cmd = cmd

	stdout, err := cmd.StdoutPipe()
	if err != nil {
		err = &ExecError{
			errors.Wrap(err, "profile: Failed to get stdout"),
		}
		p.clearStatus(start)
		return
	}

	stderr, err := cmd.StderrPipe()
	if err != nil {
		err = &ExecError{
			errors.Wrap(err, "profile: Failed to get stderr"),
		}
		p.clearStatus(start)
		return
	}

	go func() {
		out := bufio.NewReader(stdout)
		for {
			line, _, err := out.ReadLine()
			if err != nil {
				if err != io.EOF {
					err = &ExecError{
						errors.Wrap(err, "profile: Failed to read stdout"),
					}
					logrus.WithFields(logrus.Fields{
						"error": err,
					}).Error("profile: Stdout error")
				}

				return
			}
			p.parseLine(string(line))
		}
	}()

	go func() {
		out := bufio.NewReader(stderr)
		for {
			line, _, err := out.ReadLine()
			if err != nil {
				if err != io.EOF {
					err = &ExecError{
						errors.Wrap(err, "profile: Failed to read stderr"),
					}
					logrus.WithFields(logrus.Fields{
						"error": err,
					}).Error("profile: Stderr error")
				}

				return
			}
			p.parseLine(string(line))
		}
	}()

	err = cmd.Start()
	if err != nil {
		err = &ExecError{
			errors.Wrap(err, "profile: Failed to start openvpn"),
		}
		p.clearStatus(start)
		return
	}

	running := true
	go func() {
		cmd.Wait()
		running = false
		p.clearStatus(start)
		delete(Profiles, p.Id)
	}()

	if timeout {
		go func() {
			time.Sleep(connTimeout)
			if p.Status != "connected" && running {
				cmd.Process.Kill()

				evt := event.Event{
					Type: "timeout_error",
					Data: p,
				}
				evt.Init()
			}
		}()
	}

	return
}
Exemplo n.º 4
0
func (p *Profile) Start(timeout bool) (err error) {
	start := time.Now()
	p.remPaths = []string{}

	p.Status = "connecting"
	p.Timestamp = start.Unix()

	profilesLock.Lock()
	_, ok := Profiles[p.Id]
	if ok {
		profilesLock.Unlock()
		return
	}
	Profiles[p.Id] = p
	profilesLock.Unlock()

	confPath, err := p.write()
	if err != nil {
		p.clearStatus(start)
		return
	}
	p.remPaths = append(p.remPaths, confPath)

	var authPath string
	if p.Username != "" || p.Password != "" {
		authPath, err = p.writeAuth()
		if err != nil {
			p.clearStatus(start)
			return
		}
		p.remPaths = append(p.remPaths, authPath)
	}

	p.update()

	args := []string{
		"--config", confPath,
		"--verb", "2",
	}

	if runtime.GOOS == "windows" {
		p.intf, err = utils.AcquireTap()
		if err != nil {
			return
		}

		if p.intf != nil {
			args = append(args, "--dev-node", p.intf.Name)
		}
	}

	if runtime.GOOS == "darwin" {
		upPath, e := p.writeUp()
		if e != nil {
			err = e
			p.clearStatus(start)
			return
		}
		p.remPaths = append(p.remPaths, upPath)

		downPath, e := p.writeDown()
		if e != nil {
			err = e
			p.clearStatus(start)
			return
		}
		p.remPaths = append(p.remPaths, downPath)

		preDownPath, e := p.writePreDown()
		if e != nil {
			err = e
			p.clearStatus(start)
			return
		}
		p.remPaths = append(p.remPaths, preDownPath)

		blockPath, e := p.writeBlock()
		if e != nil {
			err = e
			p.clearStatus(start)
			return
		}
		p.remPaths = append(p.remPaths, blockPath)

		args = append(args, "--script-security", "2",
			"--up", upPath,
			"--down", downPath,
			"--route-pre-down", preDownPath,
			"--tls-verify", blockPath,
			"--ipchange", blockPath,
			"--route-up", blockPath,
		)
	} else {
		args = append(args, "--script-security", "1")
	}

	if authPath != "" {
		args = append(args, "--auth-user-pass", authPath)
	}

	cmd := exec.Command(getOpenvpnPath(), args...)
	p.cmd = cmd

	stdout, err := cmd.StdoutPipe()
	if err != nil {
		err = &ExecError{
			errors.Wrap(err, "profile: Failed to get stdout"),
		}
		p.clearStatus(start)
		return
	}

	stderr, err := cmd.StderrPipe()
	if err != nil {
		err = &ExecError{
			errors.Wrap(err, "profile: Failed to get stderr"),
		}
		p.clearStatus(start)
		return
	}

	go func() {
		out := bufio.NewReader(stdout)
		for {
			line, _, err := out.ReadLine()
			if err != nil {
				if err != io.EOF {
					err = &ExecError{
						errors.Wrap(err, "profile: Failed to read stdout"),
					}
					logrus.WithFields(logrus.Fields{
						"error": err,
					}).Error("profile: Stdout error")
				}

				return
			}
			p.parseLine(string(line))
		}
	}()

	go func() {
		out := bufio.NewReader(stderr)
		for {
			line, _, err := out.ReadLine()
			if err != nil {
				if err != io.EOF {
					err = &ExecError{
						errors.Wrap(err, "profile: Failed to read stderr"),
					}
					logrus.WithFields(logrus.Fields{
						"error": err,
					}).Error("profile: Stderr error")
				}

				return
			}
			p.parseLine(string(line))
		}
	}()

	err = cmd.Start()
	if err != nil {
		err = &ExecError{
			errors.Wrap(err, "profile: Failed to start openvpn"),
		}
		p.clearStatus(start)
		return
	}

	running := true
	go func() {
		cmd.Wait()
		running = false
		p.clearStatus(start)
		delete(Profiles, p.Id)
	}()

	if timeout {
		go func() {
			time.Sleep(connTimeout)
			if p.Status != "connected" && running {
				cmd.Process.Kill()

				evt := event.Event{
					Type: "timeout_error",
					Data: p,
				}
				evt.Init()
			}
		}()
	}

	return
}