diff -Nru lxsession-vala-0.0.1/debian/changelog lxsession-vala-0.0.1/debian/changelog
--- lxsession-vala-0.0.1/debian/changelog	2011-01-18 19:03:37.000000000 +0000
+++ lxsession-vala-0.0.1/debian/changelog	2011-01-19 00:45:24.000000000 +0000
@@ -1,4 +1,4 @@
-lxsession-vala (0.0.1-0ubuntu1~ppa2) natty; urgency=low
+lxsession-vala (0.0.1-0ubuntu1~ppa3) natty; urgency=low
 
   * Initial release
 
diff -Nru lxsession-vala-0.0.1/src/main.vala lxsession-vala-0.0.1/src/main.vala
--- lxsession-vala-0.0.1/src/main.vala	2011-01-18 01:41:52.000000000 +0000
+++ lxsession-vala-0.0.1/src/main.vala	2011-01-19 00:51:50.000000000 +0000
@@ -1,7 +1,5 @@
-/*TODO
-Implement functiosn to read keyfile for options
-Read settings to load or not org.gnome.SessionManager session
-*/
+/* TODO Read parameter and launch a Setting Manager (a GNOME or a LXDE ....)
+ */
 
 void main() {
     try {
@@ -18,13 +16,21 @@
         var lxde_server = new LxdeSessionServer();
         conn.register_object("/org/lxde/SessionManager", lxde_server);
 
-        // try to register service in session bus
-        uint reply_gnome = bus.request_name("org.gnome.SessionManager", (uint) 0);
-        assert(reply_gnome == DBus.RequestNameReply.PRIMARY_OWNER);
+        var config = new LxsessionConfig();
 
-        // start service
-        var gnome_server = new GnomeSessionServer();
-        conn.register_object("/org/gnome/SessionManager", gnome_server);
+        stdout.printf(config.gnome_session.to_string());
+
+        if (config.gnome_session) {
+
+            // try to register service in session bus
+            uint reply_gnome = bus.request_name("org.gnome.SessionManager", (uint) 0);
+            assert(reply_gnome == DBus.RequestNameReply.PRIMARY_OWNER);
+
+            // start service
+            var gnome_server = new GnomeSessionServer();
+            conn.register_object("/org/gnome/SessionManager", gnome_server);
+
+        }
 
         // start main loop
         new MainLoop().run();
diff -Nru lxsession-vala-0.0.1/src/settings.vala lxsession-vala-0.0.1/src/settings.vala
--- lxsession-vala-0.0.1/src/settings.vala	2011-01-09 12:59:54.000000000 +0000
+++ lxsession-vala-0.0.1/src/settings.vala	2011-01-19 00:52:27.000000000 +0000
@@ -0,0 +1,90 @@
+public class LxsessionConfig: GLib.Object {
+
+    /* Fields */
+    private KeyFile config_file;
+
+    /* For Properties */
+    private bool _gnome_session;
+
+    /* Properties */
+    [Description(nick = "gnome session fallback", blurb = "Determine if the Gnome Session fallback is launched")]
+    public bool gnome_session { 
+        get { return _gnome_session; }
+        set { _gnome_session = value; }
+    }
+    /* Constructor */
+    construct {
+        config_file = load_config("desktop.conf");
+        _gnome_session = read_gnome_session();
+        this.notify["gnome_session"].connect(this.update_value_gnome_session);
+    }
+
+    private bool read_gnome_session() {
+        bool setting;
+        try {
+            setting = config_file.get_boolean ("Session", "gnome_session");
+        }
+        catch (KeyFileError err) {
+                warning (err.message);
+                setting = false;
+        }
+        return setting;
+    }
+
+    private void update_value_gnome_session() {
+        bool gnome_session_value;
+        try {
+            gnome_session_value = config_file.get_boolean ("Session", "gnome_session");
+            if (_gnome_session != gnome_session_value){
+                config_file.set_boolean ("Session", "gnome_session", _gnome_session);
+        }
+        }
+        catch (KeyFileError err) {
+            warning (err.message);
+        }
+    }
+
+}
+
+/* Remove when full support of lxsession will be merged */
+public string get_session_name () {
+    string? session_name = Environment.get_variable ("DESKTOP_SESSION");
+    return session_name;
+}
+
+public KeyFile load_config(string conf) {
+    KeyFile kf = new KeyFile();
+    string session = get_session_name ();
+    string user_config_dir = Environment.get_user_config_dir ();
+    string config_file = Path.build_filename (user_config_dir, session, conf);
+    string config_system_file;
+    try {
+        kf.load_from_file(config_file, KeyFileFlags.NONE);
+    } 
+    catch (KeyFileError err) {
+                warning (err.message);
+    } 
+    catch (FileError err) {
+        string[] system_config_dirs = Environment.get_system_config_dirs ();
+        string config_system_location;
+        foreach (string config in (system_config_dirs)) {
+            config_system_location = Path.build_filename (config, session);
+            if (FileUtils.test (config, FileTest.EXISTS)) {
+                config_system_file = Path.build_filename (session, conf);
+                break;
+            }
+        }
+        try {
+            kf.load_from_file(config_file, KeyFileFlags.NONE);
+        } 
+        catch (KeyFileError err) {
+            warning (err.message);
+            kf = null;
+        }
+        catch (FileError err) {
+            warning (err.message);
+            kf = null;
+        }
+    }
+    return kf;
+}