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Diffstat (limited to 'pkg/standalone/vpn.go')
-rw-r--r--pkg/standalone/vpn.go156
1 files changed, 156 insertions, 0 deletions
diff --git a/pkg/standalone/vpn.go b/pkg/standalone/vpn.go
new file mode 100644
index 0000000..941d444
--- /dev/null
+++ b/pkg/standalone/vpn.go
@@ -0,0 +1,156 @@
+// 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 (
+ "io/ioutil"
+ "os"
+ "path"
+)
+
+const (
+ openvpnManagementAddr = "127.0.0.1"
+ openvpnManagementPort = "6061"
+)
+
+// StartVPN for provider
+func (b *Bitmask) StartVPN(provider string) error {
+ gateways, err := b.bonafide.getGateways()
+ if err != nil {
+ return err
+ }
+ certPemPath, err := b.getCert()
+ if err != nil {
+ return err
+ }
+
+ err = b.launch.firewallStart(gateways)
+ if err != nil {
+ return err
+ }
+
+ arg, err := b.bonafide.getOpenvpnArgs()
+ if err != nil {
+ return err
+ }
+ for _, gw := range gateways {
+ arg = append(arg, "--remote", gw.IPAddress, "443", "tcp4")
+ }
+ arg = append(arg,
+ "--verb", "1",
+ "--management-client",
+ "--management", openvpnManagementAddr, openvpnManagementPort,
+ "--ca", b.getCaCertPath(),
+ "--cert", certPemPath,
+ "--key", certPemPath)
+ return b.launch.openvpnStart(arg...)
+}
+
+func (b *Bitmask) getCert() (certPath string, err error) {
+ certPath = b.getCertPemPath()
+
+ if _, err := os.Stat(certPath); os.IsNotExist(err) {
+ cert, err := b.bonafide.getCertPem()
+ if err != nil {
+ return "", err
+ }
+ err = ioutil.WriteFile(certPath, cert, 0600)
+ }
+
+ return certPath, err
+}
+
+// StopVPN or cancel
+func (b *Bitmask) StopVPN() error {
+ err := b.launch.firewallStop()
+ if err != nil {
+ return err
+ }
+ return b.launch.openvpnStop()
+}
+
+// ReloadFirewall restarts the firewall
+func (b *Bitmask) ReloadFirewall() error {
+ err := b.launch.firewallStop()
+ if err != nil {
+ return err
+ }
+
+ status, err := b.GetStatus()
+ if err != nil {
+ return err
+ }
+
+ if status != Off {
+ gateways, err := b.bonafide.getGateways()
+ if err != nil {
+ return err
+ }
+ return b.launch.firewallStart(gateways)
+ }
+ return nil
+}
+
+// GetStatus returns the VPN status
+func (b *Bitmask) GetStatus() (string, error) {
+ status, err := b.getOpenvpnState()
+ if err != nil {
+ status = Off
+ }
+ if status == Off && b.launch.firewallIsUp() {
+ return Failed, nil
+ }
+ return status, nil
+}
+
+// InstallHelpers into the system
+func (b *Bitmask) InstallHelpers() error {
+ // TODO
+ return nil
+}
+
+// VPNCheck returns if the helpers are installed and up to date and if polkit is running
+func (b *Bitmask) VPNCheck() (helpers bool, priviledge bool, err error) {
+ // TODO
+ return true, true, nil
+}
+
+// ListGateways return the names of the gateways
+func (b *Bitmask) ListGateways(provider string) ([]string, error) {
+ gateways, err := b.bonafide.getGateways()
+ if err != nil {
+ return nil, err
+ }
+ gatewayNames := make([]string, len(gateways))
+ for i, gw := range gateways {
+ gatewayNames[i] = gw.Location
+ }
+ return gatewayNames, nil
+}
+
+// UseGateway selects name as the default gateway
+func (b *Bitmask) UseGateway(name string) error {
+ b.bonafide.setDefaultGateway(name)
+ return nil
+}
+
+func (b *Bitmask) getCertPemPath() string {
+ return path.Join(b.tempdir, "openvpn.pem")
+}
+
+func (b *Bitmask) getCaCertPath() string {
+ return path.Join(b.tempdir, "cacert.pem")
+}