shared/gui: Add LOOQS_DISABLE_SANDBOX env to allow disabling sandboxing

Mainly for devs to check whether a problem is caused by sandboxing.

shared/common.cpp

@@ -157,6 +157,16 @@ QString Common::databasePath()
 	return env;
 }
 
+bool Common::noSandboxModeRequested()
+{
+	QString env = getenv("LOOQS_DISABLE_SANDBOX");
+	if(env == "1")
+	{
+		return true;
+	}
+	return false;
+}
+
 QString Common::ipcSocketPath()
 {
 	return "/tmp/.looqs/looqs-ipc-socket";

shared/common.h

@@ -15,6 +15,7 @@ QStringList excludedPaths();
 QStringList mountPaths();
 bool isTextFile(QFileInfo fileInfo);
 bool isMountPath(QString path);
+bool noSandboxModeRequested();
 QString versionText();
 } // namespace Common
 #endif

shared/sandboxedprocessor.cpp

@@ -27,6 +27,11 @@ static QMap<QString, Processor *> processors{
 
 void SandboxedProcessor::enableSandbox(QString readablePath)
 {
+	if(Common::noSandboxModeRequested())
+	{
+		qInfo() << "Sandbox is disabled!" << Qt::endl;
+		return;
+	}
 	struct exile_policy *policy = exile_init_policy();
 	if(policy == NULL)
 	{