From d4837fd7734d1454998949f12478b3cbd19e05e5 Mon Sep 17 00:00:00 2001
From: "Sungjun, Lee" <sjun221.lee@samsung.com>
Date: Tue, 10 Jan 2017 15:48:23 +0900
Subject: [PATCH] Add SD Card Event Receiver

Change-Id: I775482a74e48698d10088a5d1ba03209d319604c
Signed-off-by: Sungjun, Lee <sjun221.lee@samsung.com>
---
 server/external-encryption.cpp | 76 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)

diff --git a/server/external-encryption.cpp b/server/external-encryption.cpp
index 0904773..8906b8d 100644
--- a/server/external-encryption.cpp
+++ b/server/external-encryption.cpp
@@ -26,6 +26,8 @@
 #include "app-bundle.h"
 #include "engine/ecryptfs-engine.h"
 #include "key-manager/key-manager.h"
+#include <klay/dbus/variant.h>
+#include <klay/dbus/connection.h>
 
 #include "rmi/external-encryption.h"
 
@@ -57,6 +59,77 @@ void showProgressUI(const std::string type) {
 	launchpad.launch("org.tizen.ode-gui", bundle);
 }
 
+void externalCallback(dbus::Variant parameters)
+{
+	INFO("SD Card State Changed");
+	int intparams[6];
+	char* strparams[7];
+
+	parameters.get("(issssssisibii)",
+		     &intparams[0], // block type: 0 - scsi, 1 : mmc
+		     &strparams[0], // devnode
+		     &strparams[1], // syspath
+		     &strparams[2], // usage
+		     &strparams[3], // fs type
+		     &strparams[4], // fs version
+		     &strparams[5], // fs uuid enc
+		     &intparams[1], // readonly: 0 - rw, 1 - ro
+		     &strparams[6], // mount point
+		     &intparams[2], // state: 0 - unmount, 1 - mount
+		     &intparams[3], // primary: 0 - flase, 1 - true
+		     &intparams[4], // flags: 1 - unmounted 2 - broken filesystem 4 - no filesystem 8 - not supported 16 - readonly
+		     &intparams[5]); // strage id
+	if(intparams[2] == 0) {
+		INFO("Unmounted!!!");
+	}
+	else {
+		INFO("Mounted!!!");
+		// TODO
+		// Password Popup
+		std::string pw = "tizen";
+		KeyManager::data pwData(pw.begin(), pw.end());
+		engine.mount(keyManager.getDEK(pwData));
+	}
+}
+
+void externalAddEventReceiver()
+{
+	dbus::Connection &systemDBus = dbus::Connection::getSystem();
+	dbus::Connection::SubscriptionId id;
+
+	id = systemDBus.subscribeSignal("",
+							    "org.tizen.system.storage.BlockManager",
+							    "DeviceChanged",
+							    "/Org/Tizen/System/Storage/Block/Manager",
+							    externalCallback);
+	INFO("Event ID: " + std::to_string(id));
+}
+
+void externalCheckMount()
+{
+	INFO("EcryptfsEncrypt");
+	if (!engine.isMountpointMounted(EXTERNAL_STORAGE_PATH)) {
+		INFO("SD Card not inserted!");
+	}
+	else {
+		INFO("SD Card inserted!");
+		if (engine.checkEncryptMetaData(ORIG_META_FILE_PATH) == 0) {
+			INFO("SD Card encrypted!");
+			if (engine.isEcryptfsMountpointMounted(EXTERNAL_STORAGE_PATH) == 0) {
+				INFO("Already Ecryptfs Mounted");
+			}
+			else {
+				std::string pw = "tizen";
+				KeyManager::data pwData(pw.begin(), pw.end());
+				engine.mount(keyManager.getDEK(pwData));
+			}
+		}
+		else {
+			INFO("SD Card not encrypted!");
+		}
+	}
+}
+
 }
 
 ExternalEncryption::ExternalEncryption(ODEControlContext& ctx) :
@@ -68,6 +141,9 @@ ExternalEncryption::ExternalEncryption(ODEControlContext& ctx) :
 	context.registerParametricMethod(this, "", (int)(ExternalEncryption::decrypt)(std::string));
 	context.registerParametricMethod(this, "", (int)(ExternalEncryption::changePassword)(std::string, std::string));
 	context.registerNonparametricMethod(this, "", (int)(ExternalEncryption::getState));
+
+	externalAddEventReceiver();
+	externalCheckMount();
 }
 
 
-- 
2.7.4