diff --git a/Ring/Ring.xcodeproj/project.pbxproj b/Ring/Ring.xcodeproj/project.pbxproj
index 227070a..9c56ed5 100644
--- a/Ring/Ring.xcodeproj/project.pbxproj
+++ b/Ring/Ring.xcodeproj/project.pbxproj
@@ -108,6 +108,7 @@
 		5557FD4D1E81AFF50043E394 /* ConfigKeyModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 02DD80CC1E1EB2E4009A3510 /* ConfigKeyModel.swift */; };
 		5557FD4E1E81B1F20043E394 /* AccountModelHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5516C29E1E71CEFF009D3D2D /* AccountModelHelper.swift */; };
 		5557FD4F1E81B2990043E394 /* AccountCredentialsModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 02DD80C91E1EAF1A009A3510 /* AccountCredentialsModel.swift */; };
+		557086521E8ADB9D001A7CE4 /* SystemAdapter.mm in Sources */ = {isa = PBXBuildFile; fileRef = 557086511E8ADB9D001A7CE4 /* SystemAdapter.mm */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -238,6 +239,8 @@
 		5516C29E1E71CEFF009D3D2D /* AccountModelHelper.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = AccountModelHelper.swift; path = Account/AccountModelHelper.swift; sourceTree = "<group>"; };
 		56AC64D41E7C7F4000EA1AA9 /* WelcomeViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = WelcomeViewController.swift; sourceTree = "<group>"; };
 		5557FD491E81AE850043E394 /* AccountModelHelperTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AccountModelHelperTests.swift; sourceTree = "<group>"; };
+		557086501E8ADB9D001A7CE4 /* SystemAdapter.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = SystemAdapter.h; path = Bridging/SystemAdapter.h; sourceTree = "<group>"; };
+		557086511E8ADB9D001A7CE4 /* SystemAdapter.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = SystemAdapter.mm; path = Bridging/SystemAdapter.mm; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -403,6 +406,8 @@
 				04399AA91D1C304300E99CD9 /* Ring-Bridging-Header.h */,
 				04399AA51D1C304300E99CD9 /* AccountAdapter.h */,
 				04399AA61D1C304300E99CD9 /* AccountAdapter.mm */,
+				557086501E8ADB9D001A7CE4 /* SystemAdapter.h */,
+				557086511E8ADB9D001A7CE4 /* SystemAdapter.mm */,
 				04399AA71D1C304300E99CD9 /* DRingAdapter.h */,
 				04399AA81D1C304300E99CD9 /* DRingAdapter.mm */,
 				04399AAA1D1C304300E99CD9 /* Utils.h */,
@@ -739,6 +744,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				557086521E8ADB9D001A7CE4 /* SystemAdapter.mm in Sources */,
 				0273C3051E0C68B100CF00BA /* CreateProfileViewController.swift in Sources */,
 				02E1A0251DDE4ABA00D75B59 /* BoolStringExtension.swift in Sources */,
 				04399AAC1D1C304300E99CD9 /* AccountAdapter.mm in Sources */,
diff --git a/Ring/Ring/AppDelegate.swift b/Ring/Ring/AppDelegate.swift
index e99143b..709f31b 100644
--- a/Ring/Ring/AppDelegate.swift
+++ b/Ring/Ring/AppDelegate.swift
@@ -26,9 +26,10 @@
 class AppDelegate: UIResponder, UIApplicationDelegate {
 
     var window: UIWindow?
-    let daemonService = DaemonService.init(dRingAdaptor: DRingAdapter())
+    let daemonService = DaemonService(dRingAdaptor: DRingAdapter())
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+        SystemAdapter().registerConfigurationHandler()
         self.startDaemon()
         return true
     }
diff --git a/Ring/Ring/Bridging/Ring-Bridging-Header.h b/Ring/Ring/Bridging/Ring-Bridging-Header.h
index 834ccd1..4273a27 100644
--- a/Ring/Ring/Bridging/Ring-Bridging-Header.h
+++ b/Ring/Ring/Bridging/Ring-Bridging-Header.h
@@ -23,4 +23,5 @@
  Expose Objective-C bridging classes to Swift.
  */
 #import "AccountAdapter.h"
+#import "SystemAdapter.h"
 #import "DRingAdapter.h"
diff --git a/Ring/Ring/Bridging/SystemAdapter.h b/Ring/Ring/Bridging/SystemAdapter.h
new file mode 100644
index 0000000..11da312
--- /dev/null
+++ b/Ring/Ring/Bridging/SystemAdapter.h
@@ -0,0 +1,27 @@
+/*
+ *  Copyright (C) 2017 Savoir-faire Linux Inc.
+ *
+ *  Author: Romain Bertozzi <romain.bertozzi@savoirfairelinux.com>
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
+ */
+
+#import <Foundation/Foundation.h>
+
+@interface SystemAdapter : NSObject
+
+- (void)registerConfigurationHandler;
+
+@end
diff --git a/Ring/Ring/Bridging/SystemAdapter.mm b/Ring/Ring/Bridging/SystemAdapter.mm
new file mode 100644
index 0000000..53942ab
--- /dev/null
+++ b/Ring/Ring/Bridging/SystemAdapter.mm
@@ -0,0 +1,51 @@
+/*
+ *  Copyright (C) 2017 Savoir-faire Linux Inc.
+ *
+ *  Author: Romain Bertozzi <romain.bertozzi@savoirfairelinux.com>
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
+ */
+
+#import "Ring-Swift.h"
+
+#import "SystemAdapter.h"
+
+#import "dring/configurationmanager_interface.h"
+
+@implementation SystemAdapter
+
+using namespace DRing;
+
+#pragma mark Callbacks registration
+- (void)registerConfigurationHandler {
+    std::map<std::string, std::shared_ptr<CallbackWrapperBase>> confHandlers;
+    confHandlers.insert(exportable_callback<ConfigurationSignal::GetAppDataPath>([&](const std::string& name,
+                                                                                     std::vector<std::string>* ret) {
+        if (name == "cache") {
+            NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
+            NSString *documentsDirectory = [paths objectAtIndex:0];
+            ret->push_back(std::string([documentsDirectory UTF8String]));
+        }
+        else {
+            NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
+            NSString *documentsDirectory = [paths objectAtIndex:0];
+            ret->push_back(std::string([documentsDirectory UTF8String]));
+        }
+    }));
+    registerConfHandlers(confHandlers);
+}
+#pragma mark -
+
+@end