[feat] use firewall status to check if the vpn is in failed status

If openvpn is off, but the firewall is up, we are in a fail-close status
and we should report it properly.

- Resolves: #97

1 files changed, 5 insertions, 0 deletions

diff --git a/standalone/launcher_linux.go b/standalone/launcher_linux.go
index a434ecd..5266fa1 100644
--- a/standalone/launcher_linux.go
+++ b/standalone/launcher_linux.go
@@ -75,6 +75,11 @@ func (l *launcher) firewallStop() error {
 	return runBitmaskRoot("firewall", "stop")
 }
 
+func (l *launcher) firewallIsUp() bool {
+	err := runBitmaskRoot("firewall", "isup")
+	return err == nil
+}
+
 func (l *launcher) openvpnRunner(arg ...string) {
 	running := false
 	runOpenvpn := func(arg []string) {