From: Lee Sung Jun <sjun221.lee@samsung.com>
Date: Thu, 12 Oct 2017 05:48:10 +0000 (+0900)
Subject: Add USB Client policy
X-Git-Tag: submit/tizen_4.0/20171129.062733~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b31c2e0be56fdd43b8754fd244d5240d9ce68a81;p=platform%2Fcore%2Fsecurity%2Fdpm-usb.git

Add USB Client policy

Change-Id: Ia3ed1e51897872bfb823f8525e70c24a62fcba3b
Signed-off-by: Lee Sung Jun <sjun221.lee@samsung.com>
---

diff --git a/plugin/usb.cpp b/plugin/usb.cpp
index db053ee..d2a4ab3 100644
--- a/plugin/usb.cpp
+++ b/plugin/usb.cpp
@@ -20,6 +20,18 @@
 #include <dpm/pil/policy-model.h>
 #include <dpm/pil/policy-storage.h>
 #include <dpm/pil/policy-event.h>
+#include <dpm/pil/app-bundle.h>
+#include <dpm/pil/launchpad.h>
+
+#include <klay/auth/user.h>
+#include <klay/dbus/variant.h>
+#include <klay/dbus/connection.h>
+
+#include <tzplatform_config.h>
+
+#define DEVICED_INTERFACE_USB "org.tizen.system.deviced.Usb"
+#define DEVICED_PATH_USB "/Org/Tizen/System/DeviceD/Usb"
+#define SIGNAL_STATE_CHANGED "StateChanged"
 
 class DebuggingMode : public GlobalPolicy<DataSetInt> {
 public:
@@ -51,19 +63,46 @@ public:
 	}
 };
 
+class Client : public GlobalPolicy<DataSetInt> {
+public:
+	Client() : GlobalPolicy("usb-client")
+	{
+		PolicyEventNotifier::create("usb-client");
+	}
+
+	bool apply(const DataType& value)
+	{
+		int enable = value;
+		PolicyEventNotifier::emit("usb-client", enable ? "allowed" : "disallowed");
+		return true;
+	}
+};
+
 class Usb : public AbstractPolicyProvider {
 public:
+	Usb();
+
 	int setDebuggingState(bool enable);
 	bool getDebuggingState();
 
 	int setTetheringState(bool enable);
 	bool getTetheringState();
 
+	int setClientState(bool enable);
+	bool getClientState();
+
+	void addDbusSignalHandler(void);
+
 private:
 	DebuggingMode debugging;
 	Tethering tethering;
+	Client client;
 };
 
+Usb::Usb()
+{
+	addDbusSignalHandler();
+}
 
 int Usb::setDebuggingState(bool enable)
 {
@@ -99,6 +138,48 @@ bool Usb::getTetheringState()
 	return tethering.get();
 }
 
+int Usb::setClientState(bool enable)
+{
+	try {
+		client.set(enable);
+	} catch (runtime::Exception& e) {
+		ERROR(e.what());
+		return -1;
+	}
+
+	return 0;
+}
+
+bool Usb::getClientState()
+{
+	return client.get();
+}
+
+void Usb::addDbusSignalHandler(void)
+{
+	dbus::Connection &systemDBus = dbus::Connection::getSystem();
+
+	auto onUSBConnectionStateChanged = [this](dbus::Variant parameters) {
+		unsigned int intparam;
+
+		parameters.get("(u)", &intparam);
+
+		if (intparam == 1 && client.get().value == 0) {
+			try {
+				Bundle bundle;
+				bundle.add("id", "usb-client");
+
+				runtime::User defaultUser(::tzplatform_getenv(TZ_SYS_DEFAULT_USER));
+				Launchpad launchpad(defaultUser.getUid());
+				launchpad.launch("org.tizen.dpm-syspopup", bundle);
+			} catch(runtime::Exception& e) {
+				ERROR(e.what());
+			}
+		}
+	};
+
+	systemDBus.subscribeSignal("", DEVICED_PATH_USB, DEVICED_INTERFACE_USB, SIGNAL_STATE_CHANGED, onUSBConnectionStateChanged);
+}
 
 extern "C" {
 
@@ -111,9 +192,11 @@ AbstractPolicyProvider *PolicyFactory(PolicyControlContext& context)
 
 	context.expose(policy, PRIVILEGE_DEBUGGING, (int)(Usb::setDebuggingState)(bool));
 	context.expose(policy, PRIVILEGE_USB, (int)(Usb::setTetheringState)(bool));
+	context.expose(policy, PRIVILEGE_USB, (int)(Usb::setClientState)(bool));
 
 	context.expose(policy, "", (bool)(Usb::getDebuggingState)());
 	context.expose(policy, "", (bool)(Usb::getTetheringState)());
+	context.expose(policy, "", (bool)(Usb::getClientState)());
 
 	return policy;
 }