diff --git a/sources/gui/src/bridgewidget.cpp b/sources/gui/src/bridgewidget.cpp
index 3484989..00bce4c 100644
--- a/sources/gui/src/bridgewidget.cpp
+++ b/sources/gui/src/bridgewidget.cpp
@@ -40,7 +40,7 @@ void BridgeWidget::clear()
 }
 
 
-void BridgeWidget::setShown(bool state)
+void BridgeWidget::setShown(const bool state)
 {
     if (state)
         show();
diff --git a/sources/gui/src/bridgewidget.h b/sources/gui/src/bridgewidget.h
index d25bd7a..c09d254 100644
--- a/sources/gui/src/bridgewidget.h
+++ b/sources/gui/src/bridgewidget.h
@@ -38,7 +38,7 @@ public:
 
 public slots:
     void clear();
-    void setShown(bool state);
+    void setShown(const bool state);
 
 private:
     Ui::BridgeWidget *ui;
diff --git a/sources/gui/src/errorwindow.cpp b/sources/gui/src/errorwindow.cpp
index 68871a1..e40425f 100644
--- a/sources/gui/src/errorwindow.cpp
+++ b/sources/gui/src/errorwindow.cpp
@@ -32,7 +32,7 @@ ErrorWindow::~ErrorWindow()
     delete ui;
 }
 
-void ErrorWindow::setMessage(int mess)
+void ErrorWindow::setMessage(const int mess)
 {
     QString message;
     switch(mess) {
diff --git a/sources/gui/src/errorwindow.h b/sources/gui/src/errorwindow.h
index 3d26ed3..883a041 100644
--- a/sources/gui/src/errorwindow.h
+++ b/sources/gui/src/errorwindow.h
@@ -30,12 +30,13 @@ class ErrorWindow : public QMainWindow
     Q_OBJECT
 
 public:
-    explicit ErrorWindow(QWidget *parent = 0, int messageNumber = 0);
+    explicit ErrorWindow(QWidget *parent = 0,
+                         int messageNumber = 0);
     ~ErrorWindow();
 
 private:
     Ui::ErrorWindow *ui;
-    void setMessage(int mess);
+    void setMessage(const int mess);
 };
 
 #endif /* ERRORWINDOW_H */
diff --git a/sources/gui/src/ethernetwidget.cpp b/sources/gui/src/ethernetwidget.cpp
index cc70978..b3407eb 100644
--- a/sources/gui/src/ethernetwidget.cpp
+++ b/sources/gui/src/ethernetwidget.cpp
@@ -54,7 +54,7 @@ void EthernetWidget::clear()
 }
 
 
-void EthernetWidget::setShown(bool state)
+void EthernetWidget::setShown(const bool state)
 {
     if (state)
         show();
@@ -96,7 +96,7 @@ void EthernetWidget::showAdvanced()
 }
 
 
-void EthernetWidget::showWpa(int state)
+void EthernetWidget::showWpa(const int state)
 {
     if (state == 0)
         ui->widget_wpa->setHidden(true);
diff --git a/sources/gui/src/ethernetwidget.h b/sources/gui/src/ethernetwidget.h
index a32f0d4..62f3a5f 100644
--- a/sources/gui/src/ethernetwidget.h
+++ b/sources/gui/src/ethernetwidget.h
@@ -39,12 +39,12 @@ public:
 
 public slots:
     void clear();
-    void setShown(bool state);
+    void setShown(const bool state);
 
 private slots:
     void selectWpaConfig();
     void showAdvanced();
-    void showWpa(int state);
+    void showWpa(const int state);
 
 private:
     Ui::EthernetWidget *ui;
diff --git a/sources/gui/src/generalwidget.cpp b/sources/gui/src/generalwidget.cpp
index 2bd7f94..ee04221 100644
--- a/sources/gui/src/generalwidget.cpp
+++ b/sources/gui/src/generalwidget.cpp
@@ -21,14 +21,14 @@
 #include <QKeyEvent>
 
 
-GeneralWidget::GeneralWidget(QWidget *parent, QString ifaceDir, QString profileDir)
+GeneralWidget::GeneralWidget(QWidget *parent, QMap<QString, QString> settings)
     : QWidget(parent),
-      ifaceDirectory(new QDir(ifaceDir)),
-      profileDirectory(new QDir(profileDir)),
       ui(new Ui::GeneralWidget)
 {
     ui->setupUi(this);
     connectionType = ui->comboBox_connection;
+    ifaceDirectory = new QDir(settings[QString("IFACE_DIR")]);
+    profileDirectory = new QDir(settings[QString("PROFILE_DIR")]);
     createActions();
     clear();
 }
@@ -66,7 +66,7 @@ void GeneralWidget::clear()
 }
 
 
-void GeneralWidget::setShown(bool state)
+void GeneralWidget::setShown(const bool state)
 {
     if (state)
         show();
diff --git a/sources/gui/src/generalwidget.h b/sources/gui/src/generalwidget.h
index 3b4182c..de79cc0 100644
--- a/sources/gui/src/generalwidget.h
+++ b/sources/gui/src/generalwidget.h
@@ -34,8 +34,7 @@ class GeneralWidget : public QWidget
 
 public:
     explicit GeneralWidget(QWidget *parent = 0,
-                           QString ifaceDir = QString(""),
-                           QString profileDir = QString(""));
+                           QMap<QString, QString> settings = QMap<QString, QString>());
     ~GeneralWidget();
     QComboBox *connectionType;
     QMap<QString, QString> getSettings();
@@ -44,7 +43,7 @@ public:
 
 public slots:
     void clear();
-    void setShown(bool state);
+    void setShown(const bool state);
 
 private slots:
     void addAfter();
diff --git a/sources/gui/src/ipwidget.cpp b/sources/gui/src/ipwidget.cpp
index 96a47e3..da07923 100644
--- a/sources/gui/src/ipwidget.cpp
+++ b/sources/gui/src/ipwidget.cpp
@@ -89,7 +89,7 @@ void IpWidget::clear()
 }
 
 
-void IpWidget::setShown(bool state)
+void IpWidget::setShown(const bool state)
 {
     if (state)
         show();
@@ -168,7 +168,7 @@ void IpWidget::keyPressEvent(QKeyEvent *pressedKey)
 }
 
 
-QString IpWidget::getIp(QString rawIp)
+QString IpWidget::getIp(const QString rawIp)
 {
     QStringList ip = rawIp.split(QString("."));
 
@@ -190,7 +190,7 @@ QString IpWidget::getIp(QString rawIp)
 }
 
 
-QString IpWidget::getPrefix(QString rawPrefix)
+QString IpWidget::getPrefix(const QString rawPrefix)
 {
     QString prefix;
 
@@ -205,7 +205,7 @@ QString IpWidget::getPrefix(QString rawPrefix)
 }
 
 
-QString IpWidget::getIp6(QString rawIp)
+QString IpWidget::getIp6(const QString rawIp)
 {
     QString ip = rawIp;
 
@@ -216,7 +216,7 @@ QString IpWidget::getIp6(QString rawIp)
 }
 
 
-QString IpWidget::getPrefix6(QString rawPrefix)
+QString IpWidget::getPrefix6(const QString rawPrefix)
 {
     QString prefix;
 
@@ -300,7 +300,7 @@ void IpWidget::addDnsOpt()
 }
 
 
-void IpWidget::changeIpMode(QString currentText)
+void IpWidget::changeIpMode(const QString currentText)
 {
     if (currentText == QString("dhcp"))
         ui->widget_ip->setHidden(true);
@@ -309,7 +309,7 @@ void IpWidget::changeIpMode(QString currentText)
 }
 
 
-void IpWidget::ipEnable(int state)
+void IpWidget::ipEnable(const int state)
 {
     if (state == 0) {
         ui->comboBox_ip->setDisabled(true);
@@ -324,7 +324,7 @@ void IpWidget::ipEnable(int state)
 }
 
 
-void IpWidget::changeIp6Mode(QString currentText)
+void IpWidget::changeIp6Mode(const QString currentText)
 {
     if ((currentText == QString("dhcp")) ||
             (currentText == QString("dhcp-noaddr")))
@@ -335,7 +335,7 @@ void IpWidget::changeIp6Mode(QString currentText)
 }
 
 
-void IpWidget::ip6Enable(int state)
+void IpWidget::ip6Enable(const int state)
 {
     if (state == 0) {
         ui->comboBox_ip6->setDisabled(true);
@@ -350,7 +350,7 @@ void IpWidget::ip6Enable(int state)
 }
 
 
-void IpWidget::changeDhcpClient(QString currentText)
+void IpWidget::changeDhcpClient(const QString currentText)
 {
     if (currentText == QString("dhcpcd")) {
         ui->widget_dhcpcdOpt->setShown(true);
diff --git a/sources/gui/src/ipwidget.h b/sources/gui/src/ipwidget.h
index ae23776..58c8f56 100644
--- a/sources/gui/src/ipwidget.h
+++ b/sources/gui/src/ipwidget.h
@@ -38,7 +38,7 @@ public:
 
 public slots:
     void clear();
-    void setShown(bool state);
+    void setShown(const bool state);
 
 private slots:
     // buttons
@@ -50,13 +50,13 @@ private slots:
     void addDns();
     void addDnsOpt();
     // ip mode
-    void changeIpMode(QString currentText);
-    void ipEnable(int state);
+    void changeIpMode(const QString currentText);
+    void ipEnable(const int state);
     // ipv6 mode
-    void changeIp6Mode(QString currentText);
+    void changeIp6Mode(const QString currentText);
     void ip6Enable(int state);
     // dhcp client
-    void changeDhcpClient(QString currentText);
+    void changeDhcpClient(const QString currentText);
     void showAdvanced();
 
 private:
@@ -64,10 +64,10 @@ private:
     void createActions();
     void createFilter();
     void keyPressEvent(QKeyEvent *pressedKey);
-    QString getIp(QString rawIp);
-    QString getPrefix(QString rawPrefix);
-    QString getIp6(QString rawIp);
-    QString getPrefix6(QString rawPrefix);
+    QString getIp(const QString rawIp);
+    QString getPrefix(const QString rawPrefix);
+    QString getIp6(const QString rawIp);
+    QString getPrefix6(const QString rawPrefix);
 };
 
 
diff --git a/sources/gui/src/mainwindow.cpp b/sources/gui/src/mainwindow.cpp
index 849a76a..900c090 100644
--- a/sources/gui/src/mainwindow.cpp
+++ b/sources/gui/src/mainwindow.cpp
@@ -19,6 +19,7 @@
 #include "ui_mainwindow.h"
 
 #include <QFileDialog>
+#include <QFileInfo>
 #include <QProcess>
 
 #include "bridgewidget.h"
@@ -31,6 +32,7 @@
 #include "netctlprofile.h"
 #include "passwdwidget.h"
 #include "pppoewidget.h"
+#include "settingswindow.h"
 #include "tunnelwidget.h"
 #include "tuntapwidget.h"
 #include "vlanwidget.h"
@@ -39,36 +41,22 @@
 #include <cstdio>
 
 
-MainWindow::MainWindow(QWidget *parent, bool defaultSettings, int tabNum)
+MainWindow::MainWindow(QWidget *parent, const bool defaultSettings, const int tabNum)
     : QMainWindow(parent),
       ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
     ui->tabWidget->setCurrentIndex(tabNum-1);
 
-    //  SettingsWindow *settingsWindow;
-    //  settingsWindow = new SettingsWindow(this);
-    // if (defaultSettings)
-    //      стандартные настройки
-    //  delete settingsWindow;
-
-    // temporary block
-    netctlPath = QString("/usr/bin/netctl");
-    profileDir = QString("/etc/netctl");
-    sudoPath = QString("/usr/bin/kdesu");
-    wpaConfig.append(QString("/usr/bin/wpa_cli"));
-    wpaConfig.append(QString("/usr/bin/wpa_supplicant"));
-    preferedInterface  = QString("");
-    //// additional settings
-    ifaceDir = QString("/sys/class/net/");
-    rfkillDir = QString("/sys/class/rfkill/");
-    wpaConfig.append(QString("/run/wpa_supplicant_netctl-gui.pid"));
-    wpaConfig.append(QString("nl80211,wext"));
-    wpaConfig.append(QString("/run/wpa_supplicant_netctl-gui"));
-    wpaConfig.append(QString("users"));
+    QString configPath = QDir::homePath() + QDir::separator() + QString(".config") +
+            QDir::separator() + QString("netctl-gui.conf");
+    settingsWin = new SettingsWindow(this, configPath);
+    if (defaultSettings)
+        settingsWin->setDefault();
+    configuration = settingsWin->getSettings();
 
     // gui
-    generalWid = new GeneralWidget(this, ifaceDir, profileDir);
+    generalWid = new GeneralWidget(this, configuration);
     ui->scrollAreaWidgetContents->layout()->addWidget(generalWid);
     ipWid = new IpWidget(this);
     ui->scrollAreaWidgetContents->layout()->addWidget(ipWid);
@@ -86,12 +74,12 @@ MainWindow::MainWindow(QWidget *parent, bool defaultSettings, int tabNum)
     ui->scrollAreaWidgetContents->layout()->addWidget(tuntapWid);
     vlanWid = new VlanWidget(this);
     ui->scrollAreaWidgetContents->layout()->addWidget(vlanWid);
-    wirelessWid = new WirelessWidget(this, rfkillDir);
+    wirelessWid = new WirelessWidget(this, configuration);
     ui->scrollAreaWidgetContents->layout()->addWidget(wirelessWid);
     // backend
-    netctlCommand = new Netctl(this, netctlPath, profileDir, sudoPath);
-    netctlProfile = new NetctlProfile(this, profileDir, sudoPath);
-    wpaCommand = new WpaSup(this, wpaConfig, sudoPath, ifaceDir, preferedInterface);
+    netctlCommand = new Netctl(this, configuration);
+    netctlProfile = new NetctlProfile(this, configuration);
+    wpaCommand = new WpaSup(this, configuration);
 
     createActions();
     updateTabs(ui->tabWidget->currentIndex());
@@ -115,21 +103,23 @@ MainWindow::~MainWindow()
     delete tuntapWid;
     delete vlanWid;
     delete wirelessWid;
+
+    delete settingsWin;
     delete ui;
 }
 
 
-bool MainWindow::checkExternalApps(QString apps = QString("all"))
+bool MainWindow::checkExternalApps(const QString apps = QString("all"))
 {
     QStringList commandLine;
     commandLine.append("which");
-    commandLine.append(sudoPath);
+    commandLine.append(configuration[QString("SUDO_PATH")]);
     if ((apps == QString("netctl")) || (apps == QString("all"))) {
-        commandLine.append(netctlPath);
+        commandLine.append(configuration[QString("NETCTL_PATH")]);
     }
     if ((apps == QString("wpasup")) || (apps == QString("all"))) {
-        commandLine.append(wpaConfig[0]);
-        commandLine.append(wpaConfig[1]);
+        commandLine.append(configuration[QString("WPACLI_PATH")]);
+        commandLine.append(configuration[QString("WPASUP_PATH")]);
     }
     QProcess command;
     command.start(commandLine.join(QString(" ")));
@@ -141,7 +131,7 @@ bool MainWindow::checkExternalApps(QString apps = QString("all"))
 }
 
 
-bool MainWindow::checkState(QString state, QString item)
+bool MainWindow::checkState(const QString state, const QString item)
 {
     if (item.indexOf(state) > -1)
         return true;
@@ -154,6 +144,7 @@ bool MainWindow::checkState(QString state, QString item)
 void MainWindow::createActions()
 {
     connect(ui->tabWidget, SIGNAL(currentChanged(int)), this, SLOT(updateTabs(int)));
+    connect(ui->actionSettings, SIGNAL(triggered(bool)), settingsWin, SLOT(showWindow()));
     connect(ui->actionQuit, SIGNAL(triggered(bool)), this, SLOT(close()));
 
     // main page events
@@ -415,7 +406,7 @@ void MainWindow::profileTabBrowseProfile()
 }
 
 
-void MainWindow::profileTabChangeState(QString current)
+void MainWindow::profileTabChangeState(const QString current)
 {
     if (current == QString("ethernet")) {
         generalWid->setShown(true);
@@ -806,7 +797,7 @@ void MainWindow::profileTabLoadProfile()
 
 
 // wifi tab slots
-void MainWindow::wifiTabSetEnabled(bool state)
+void MainWindow::wifiTabSetEnabled(const bool state)
 {
     if (state) {
         ui->tableWidget_wifi->show();
@@ -822,7 +813,7 @@ void MainWindow::wifiTabSetEnabled(bool state)
 }
 
 
-void MainWindow::connectToUnknownEssid(QString passwd)
+void MainWindow::connectToUnknownEssid(const QString passwd)
 {
     if (!passwd.isEmpty())
         delete passwdWid;
diff --git a/sources/gui/src/mainwindow.h b/sources/gui/src/mainwindow.h
index 6ea7867..556836d 100644
--- a/sources/gui/src/mainwindow.h
+++ b/sources/gui/src/mainwindow.h
@@ -33,6 +33,7 @@ class Netctl;
 class NetctlProfile;
 class PasswdWidget;
 class PppoeWidget;
+class SettingsWindow;
 class TunnelWidget;
 class TuntapWidget;
 class VlanWidget;
@@ -49,25 +50,17 @@ class MainWindow : public QMainWindow
     
 public:
     explicit MainWindow(QWidget *parent = 0,
-                        bool defaultSettings = false,
-                        int tabNum = 0);
+                        const bool defaultSettings = false,
+                        const int tabNum = 0);
     ~MainWindow();
     Netctl *netctlCommand;
     NetctlProfile *netctlProfile;
     WpaSup *wpaCommand;
-    enum wpaConfigIndex {
-        wpaCliPath = 0,
-        wpaSupplicantPath = 1,
-        wpaPidPath = 2,
-        wpadSupDrivers = 3,
-        wpaConfDir = 4,
-        wpaConfGroup = 5
-    };
 
 public slots:
     void updateTabs(const int tab);
     // wifi tab slots
-    void connectToUnknownEssid(QString passwd);
+    void connectToUnknownEssid(const QString passwd);
     
 private slots:
     void updateMainTab();
@@ -80,12 +73,12 @@ private slots:
     void mainTabRefreshButtons(QTableWidgetItem *current, QTableWidgetItem *previous);
     // profile tab slots
     void profileTabBrowseProfile();
-    void profileTabChangeState(QString current);
+    void profileTabChangeState(const QString current);
     void profileTabClear();
     void profileTabCreateProfile();
     void profileTabLoadProfile();
     // wifi tab slots
-    void wifiTabSetEnabled(bool state);
+    void wifiTabSetEnabled(const bool state);
     void wifiTabStart();
     void wifiTabRefreshButtons(QTableWidgetItem *current, QTableWidgetItem *previous);
 
@@ -105,17 +98,12 @@ private:
     // backend
     ErrorWindow *errorWin;
     PasswdWidget *passwdWid;
-    bool checkExternalApps(QString apps);
-    bool checkState(QString state, QString item);
+    SettingsWindow *settingsWin;
+    bool checkExternalApps(const QString apps);
+    bool checkState(const QString state, const QString item);
     void createActions();
     // configuration
-    QString ifaceDir;
-    QString netctlPath;
-    QString preferedInterface;
-    QString profileDir;
-    QString rfkillDir;
-    QString sudoPath;
-    QStringList wpaConfig;
+    QMap<QString, QString> configuration;
 };
 
 
diff --git a/sources/gui/src/mobilewidget.cpp b/sources/gui/src/mobilewidget.cpp
index 9be26a3..5b52b21 100644
--- a/sources/gui/src/mobilewidget.cpp
+++ b/sources/gui/src/mobilewidget.cpp
@@ -56,7 +56,7 @@ void MobileWidget::clear()
 }
 
 
-void MobileWidget::setShown(bool state)
+void MobileWidget::setShown(const bool state)
 {
     if (state)
         show();
diff --git a/sources/gui/src/mobilewidget.h b/sources/gui/src/mobilewidget.h
index cbeb60e..0d5298b 100644
--- a/sources/gui/src/mobilewidget.h
+++ b/sources/gui/src/mobilewidget.h
@@ -38,7 +38,7 @@ public:
 
 public slots:
     void clear();
-    void setShown(bool state);
+    void setShown(const bool state);
 
 private slots:
     void selectOptionsFile();
diff --git a/sources/gui/src/netctlinteract.cpp b/sources/gui/src/netctlinteract.cpp
index 77d0904..297a016 100644
--- a/sources/gui/src/netctlinteract.cpp
+++ b/sources/gui/src/netctlinteract.cpp
@@ -23,13 +23,12 @@
 #include "mainwindow.h"
 
 
-Netctl::Netctl(MainWindow *wid, QString netctlPath, QString profileDir, QString sudoPath)
-    : parent(wid),
-      netctlCommand(netctlPath),
-      profileDirectory(new QDir(profileDir)),
-      sudoCommand(sudoPath)
+Netctl::Netctl(MainWindow *wid, QMap<QString, QString> settings)
+    : parent(wid)
 {
-
+    netctlCommand = settings[QString("NETCTL_PATH")];
+    profileDirectory = new QDir(settings[QString("PROFILE_DIR")]);
+    sudoCommand = settings[QString("SUDO_PATH")];
 }
 
 
@@ -58,7 +57,7 @@ QList<QStringList> Netctl::getProfileList()
 }
 
 
-QStringList Netctl::getProfileDescriptions(QStringList profileList)
+QStringList Netctl::getProfileDescriptions(const QStringList profileList)
 {
     QStringList descriptions;
 
@@ -88,7 +87,7 @@ QStringList Netctl::getProfileDescriptions(QStringList profileList)
 }
 
 
-QStringList Netctl::getProfileStatuses(QStringList profileList)
+QStringList Netctl::getProfileStatuses(const QStringList profileList)
 {
     QStringList statuses;
 
@@ -109,7 +108,7 @@ QStringList Netctl::getProfileStatuses(QStringList profileList)
 }
 
 
-QString Netctl::getSsidFromProfile(QString profile)
+QString Netctl::getSsidFromProfile(const QString profile)
 {
     QString ssidName = QString("");
     QFile profileFile(profileDirectory->absolutePath() + QDir::separator() + profile);
@@ -136,7 +135,7 @@ QString Netctl::getSsidFromProfile(QString profile)
 }
 
 
-bool Netctl::isProfileActive(QString profile)
+bool Netctl::isProfileActive(const QString profile)
 {
     bool status = false;
     QProcess command;
@@ -153,7 +152,7 @@ bool Netctl::isProfileActive(QString profile)
 }
 
 
-bool Netctl::isProfileEnabled(QString profile)
+bool Netctl::isProfileEnabled(const QString profile)
 {
     bool status = false;
     QProcess command;
@@ -175,7 +174,7 @@ bool Netctl::isProfileEnabled(QString profile)
 
 
 // functions
-bool Netctl::enableProfile(QString profile)
+bool Netctl::enableProfile(const QString profile)
 {
     QProcess command;
     if (isProfileEnabled(profile))
@@ -190,7 +189,7 @@ bool Netctl::enableProfile(QString profile)
 }
 
 
-bool Netctl::restartProfile(QString profile)
+bool Netctl::restartProfile(const QString profile)
 {
     QProcess command;
     if (isProfileActive(profile))
@@ -203,7 +202,7 @@ bool Netctl::restartProfile(QString profile)
 }
 
 
-bool Netctl::startProfile(QString profile)
+bool Netctl::startProfile(const QString profile)
 {
     QProcess command;
     if (isProfileActive(profile))
diff --git a/sources/gui/src/netctlinteract.h b/sources/gui/src/netctlinteract.h
index a8b826b..8b2c1cd 100644
--- a/sources/gui/src/netctlinteract.h
+++ b/sources/gui/src/netctlinteract.h
@@ -19,6 +19,7 @@
 #define NETCTLINTERACT_H
 
 #include <QDir>
+#include <QMap>
 #include <QObject>
 
 
@@ -30,23 +31,21 @@ class Netctl : public QObject
 
 public:
     explicit Netctl(MainWindow *wid = 0,
-                    QString netctlPath = QString(""),
-                    QString profileDir = QString(""),
-                    QString sudoPath = QString(""));
+                    QMap<QString, QString> settings = QMap<QString, QString>());
     ~Netctl();
     // general information
     QList<QStringList> getProfileList();
-    QStringList getProfileDescriptions(QStringList profileList);
-    QStringList getProfileStatuses(QStringList profileList);
-    QString getSsidFromProfile(QString profile);
-    bool isProfileActive(QString profile);
-    bool isProfileEnabled(QString profile);
+    QStringList getProfileDescriptions(const QStringList profileList);
+    QStringList getProfileStatuses(const QStringList profileList);
+    QString getSsidFromProfile(const QString profile);
+    bool isProfileActive(const QString profile);
+    bool isProfileEnabled(const QString profile);
 
 public slots:
     // functions
-    bool enableProfile(QString profile);
-    bool restartProfile(QString profile);
-    bool startProfile(QString profile);
+    bool enableProfile(const QString profile);
+    bool restartProfile(const QString profile);
+    bool startProfile(const QString profile);
 
 private:
     MainWindow *parent;
diff --git a/sources/gui/src/netctlprofile.cpp b/sources/gui/src/netctlprofile.cpp
index ac331c6..388df81 100644
--- a/sources/gui/src/netctlprofile.cpp
+++ b/sources/gui/src/netctlprofile.cpp
@@ -26,12 +26,11 @@
 #include <cstdio>
 
 
-NetctlProfile::NetctlProfile(MainWindow *wid, QString profileDir, QString sudoPath)
-    : parent(wid),
-      profileDirectory(new QDir(profileDir)),
-      sudoCommand(sudoPath)
+NetctlProfile::NetctlProfile(MainWindow *wid, QMap<QString, QString> settings)
+    : parent(wid)
 {
-
+    profileDirectory = new QDir(settings[QString("PROFILE_DIR")]);
+    sudoCommand = settings[QString("SUDO_PATH")];
 }
 
 
@@ -41,7 +40,7 @@ NetctlProfile::~NetctlProfile()
 }
 
 
-bool NetctlProfile::copyProfile(QString oldPath)
+bool NetctlProfile::copyProfile(const QString oldPath)
 {
     QString newPath = profileDirectory->absolutePath() + QDir::separator() + QFileInfo(oldPath).fileName();
     QProcess command;
@@ -54,7 +53,7 @@ bool NetctlProfile::copyProfile(QString oldPath)
 }
 
 
-QString NetctlProfile::createProfile(QString profile, QMap<QString, QString> settings)
+QString NetctlProfile::createProfile(const QString profile, const QMap<QString, QString> settings)
 {
 
     QString profileTempName = QDir::homePath() + QDir::separator() +
@@ -88,7 +87,7 @@ QString NetctlProfile::createProfile(QString profile, QMap<QString, QString> set
 }
 
 
-QMap<QString, QString> NetctlProfile::getSettingsFromProfile(QString profile)
+QMap<QString, QString> NetctlProfile::getSettingsFromProfile(const QString profile)
 {
     QMap<QString, QString> settings;
     QFile profileFile;
diff --git a/sources/gui/src/netctlprofile.h b/sources/gui/src/netctlprofile.h
index 187699c..af057a2 100644
--- a/sources/gui/src/netctlprofile.h
+++ b/sources/gui/src/netctlprofile.h
@@ -19,6 +19,7 @@
 #define NETCTLPROFILE_H
 
 #include <QDir>
+#include <QMap>
 #include <QObject>
 
 
@@ -30,12 +31,11 @@ class NetctlProfile : public QObject
 
 public:
     explicit NetctlProfile(MainWindow *wid = 0,
-                           QString profileDir = QString(""),
-                           QString sudoPath = QString(""));
+                           QMap<QString, QString> settings = QMap<QString, QString>());
     ~NetctlProfile();
-    bool copyProfile(QString oldPath);
-    QString createProfile(QString profile, QMap<QString, QString> settings);
-    QMap<QString, QString> getSettingsFromProfile(QString profile);
+    bool copyProfile(const QString oldPath);
+    QString createProfile(const QString profile, const QMap<QString, QString> settings);
+    QMap<QString, QString> getSettingsFromProfile(const QString profile);
 
 private:
     MainWindow *parent;
diff --git a/sources/gui/src/passwdwidget.cpp b/sources/gui/src/passwdwidget.cpp
index dd8623c..43f431d 100644
--- a/sources/gui/src/passwdwidget.cpp
+++ b/sources/gui/src/passwdwidget.cpp
@@ -27,8 +27,8 @@ PasswdWidget::PasswdWidget(MainWindow *wid)
       ui(new Ui::PasswdWidget)
 {
     ui->setupUi(this);
-    okButton = ui->buttonBox->button(QDialogButtonBox::Ok);
     cancelButton = ui->buttonBox->button(QDialogButtonBox::Cancel);
+    okButton = ui->buttonBox->button(QDialogButtonBox::Ok);
     createActions();
 }
 
diff --git a/sources/gui/src/pppoewidget.cpp b/sources/gui/src/pppoewidget.cpp
index e84ee7f..7089c5a 100644
--- a/sources/gui/src/pppoewidget.cpp
+++ b/sources/gui/src/pppoewidget.cpp
@@ -65,7 +65,7 @@ void PppoeWidget::clear()
 }
 
 
-void PppoeWidget::setShown(bool state)
+void PppoeWidget::setShown(const bool state)
 {
     if (state)
         show();
@@ -91,7 +91,7 @@ void PppoeWidget::createActions()
 }
 
 
-void PppoeWidget::changeMode(QString currentText)
+void PppoeWidget::changeMode(const QString currentText)
 {
     if (currentText == QString("persist"))
         ui->widget_timeout->setHidden(true);
diff --git a/sources/gui/src/pppoewidget.h b/sources/gui/src/pppoewidget.h
index df0ecf4..e17805a 100644
--- a/sources/gui/src/pppoewidget.h
+++ b/sources/gui/src/pppoewidget.h
@@ -38,10 +38,10 @@ public:
 
 public slots:
     void clear();
-    void setShown(bool state);
+    void setShown(const bool state);
 
 private slots:
-    void changeMode(QString currentText);
+    void changeMode(const QString currentText);
     void selectOptionsFile();
     void showAdvanced();
 
diff --git a/sources/gui/src/settingswindow.cpp b/sources/gui/src/settingswindow.cpp
index c614407..6aa98fb 100644
--- a/sources/gui/src/settingswindow.cpp
+++ b/sources/gui/src/settingswindow.cpp
@@ -18,16 +18,261 @@
 #include "settingswindow.h"
 #include "ui_settingswindow.h"
 
+#include <QFile>
+#include <QFileDialog>
+#include <QTextStream>
 
-SettingsWindow::SettingsWindow(QWidget *parent)
-    : QMainWindow(parent),
+#include "mainwindow.h"
+#include <cstdio>
+
+
+SettingsWindow::SettingsWindow(MainWindow *wid, QString configFile)
+    : QMainWindow(wid),
+      parent(wid),
+      file(configFile),
       ui(new Ui::SettingsWindow)
 {
     ui->setupUi(this);
+    cancelButton = ui->buttonBox->button(QDialogButtonBox::Cancel);
+    defaultButton = ui->buttonBox->button(QDialogButtonBox::Reset);
+    okButton = ui->buttonBox->button(QDialogButtonBox::Ok);
+    ui->comboBox_language->addItem(QString("english"));
+    ui->comboBox_language->addItem(QString("russian"));
+    createActions();
 }
 
 
 SettingsWindow::~SettingsWindow()
 {
+    delete cancelButton;
+    delete defaultButton;
+    delete okButton;
     delete ui;
 }
+
+
+void SettingsWindow::createActions()
+{
+    connect(ui->comboBox_language, SIGNAL(currentIndexChanged(int)), ui->label_info, SLOT(show()));
+    connect(cancelButton, SIGNAL(clicked(bool)), this, SLOT(close()));
+    connect(defaultButton, SIGNAL(clicked(bool)), this, SLOT(setDefault()));
+    connect(okButton, SIGNAL(clicked(bool)), this, SLOT(saveSettings()));
+    connect(okButton, SIGNAL(clicked(bool)), this, SLOT(close()));
+    // buttons
+    connect(ui->pushButton_interfaceDir, SIGNAL(clicked(bool)), SLOT(selectIfaceDir()));
+    connect(ui->pushButton_netctlPath, SIGNAL(clicked(bool)), SLOT(selectNetctlPath()));
+    connect(ui->pushButton_profilePath, SIGNAL(clicked(bool)), SLOT(selectProfileDir()));
+    connect(ui->pushButton_rfkill, SIGNAL(clicked(bool)), SLOT(selectRfkillDir()));
+    connect(ui->pushButton_sudo, SIGNAL(clicked(bool)), SLOT(selectSudoPath()));
+    connect(ui->pushButton_wpaCliPath, SIGNAL(clicked(bool)), SLOT(selectWpaCliPath()));
+    connect(ui->pushButton_wpaSupPath, SIGNAL(clicked(bool)), SLOT(selectWpaSupPath()));
+}
+
+
+// ESC press event
+void SettingsWindow::keyPressEvent(QKeyEvent *pressedKey)
+{
+    if (pressedKey->key() == Qt::Key_Escape)
+        close();
+}
+
+
+void SettingsWindow::saveSettings()
+{
+    QMap<QString, QString> settings = readSettings();
+    QFile configFile(file);
+
+    if (!configFile.open(QIODevice::WriteOnly | QIODevice::Text))
+        return;
+    QTextStream out(&configFile);
+    for (int i=0; i<settings.keys().count(); i++)
+        out << settings.keys()[i] << QString("=") << settings[settings.keys()[i]] << QString("\n");
+    configFile.close();
+}
+
+
+void SettingsWindow::setDefault()
+{
+    setSettings(getDefault());
+    saveSettings();
+}
+
+
+void SettingsWindow::selectIfaceDir()
+{
+    QString directory = QFileDialog::getExistingDirectory(
+                this,
+                QApplication::translate("SettingsWindow", "Select path to directory with interfaces"),
+                QString("/sys/"));
+    if (!directory.isEmpty())
+        ui->lineEdit_interfacesDir->setText(directory);
+}
+
+
+void SettingsWindow::selectNetctlPath()
+{
+    QString filename = QFileDialog::getOpenFileName(
+                this,
+                QApplication::translate("SettingsWindow", "Select netctl command"),
+                QString("/usr/bin/"),
+                QApplication::translate("SettingsWindow", "All files (*)"));
+    if (!filename.isEmpty())
+        ui->lineEdit_netctlPath->setText(filename);
+}
+
+
+void SettingsWindow::selectProfileDir()
+{
+    QString directory = QFileDialog::getExistingDirectory(
+                this,
+                QApplication::translate("SettingsWindow", "Select path to profile directory"),
+                QString("/etc/"));
+    if (!directory.isEmpty())
+        ui->lineEdit_profilePath->setText(directory);
+}
+
+
+void SettingsWindow::selectRfkillDir()
+{
+    QString directory = QFileDialog::getExistingDirectory(
+                this,
+                QApplication::translate("SettingsWindow", "Select path to directory with rfkill devices"),
+                QString("/sys/"));
+    if (!directory.isEmpty())
+        ui->lineEdit_rfkill->setText(directory);
+}
+
+
+void SettingsWindow::selectSudoPath()
+{
+    QString filename = QFileDialog::getOpenFileName(
+                this,
+                QApplication::translate("SettingsWindow", "Select sudo command"),
+                QString("/usr/bin/"),
+                QApplication::translate("SettingsWindow", "All files (*)"));
+    if (!filename.isEmpty())
+        ui->lineEdit_sudo->setText(filename);
+}
+
+
+void SettingsWindow::selectWpaCliPath()
+{
+    QString filename = QFileDialog::getOpenFileName(
+                this,
+                QApplication::translate("SettingsWindow", "Select wpa_cli command"),
+                QString("/usr/bin/"),
+                QApplication::translate("SettingsWindow", "All files (*)"));
+    if (!filename.isEmpty())
+        ui->lineEdit_wpaCliPath->setText(filename);
+}
+
+
+void SettingsWindow::selectWpaSupPath()
+{
+    QString filename = QFileDialog::getOpenFileName(
+                this,
+                QApplication::translate("SettingsWindow", "Select wpa_supplicant command"),
+                QString("/usr/bin/"),
+                QApplication::translate("SettingsWindow", "All files (*)"));
+    if (!filename.isEmpty())
+        ui->lineEdit_wpaSupPath->setText(filename);
+}
+
+
+void SettingsWindow::showWindow()
+{
+    setSettings(getSettings());
+    ui->label_info->hide();
+    show();
+}
+
+
+QMap<QString, QString> SettingsWindow::readSettings()
+{
+    QMap<QString, QString> settings;
+
+    settings[QString("CTRL_DIR")] = ui->lineEdit_wpaDir->text();
+    settings[QString("CTRL_GROUP")] = ui->lineEdit_wpaGroup->text();
+    settings[QString("IFACE_DIR")] = ui->lineEdit_interfacesDir->text();
+    settings[QString("LANGUAGE")] = ui->comboBox_language->currentText();
+    settings[QString("NETCTL_PATH")] = ui->lineEdit_netctlPath->text();
+    settings[QString("PID_FILE")] = ui->lineEdit_pid->text();
+    settings[QString("PREFERED_IFACE")] = ui->lineEdit_interface->text();
+    settings[QString("PROFILE_DIR")] = ui->lineEdit_profilePath->text();
+    settings[QString("RFKILL_DIR")] = ui->lineEdit_rfkill->text();
+    settings[QString("SUDO_PATH")] = ui->lineEdit_sudo->text();
+    settings[QString("WPA_DRIVERS")] = ui->lineEdit_wpaSupDrivers->text();
+    settings[QString("WPACLI_PATH")] = ui->lineEdit_wpaCliPath->text();
+    settings[QString("WPASUP_PATH")] = ui->lineEdit_wpaSupPath->text();
+
+    return settings;
+}
+
+
+void SettingsWindow::setSettings(QMap<QString, QString> settings)
+{
+    ui->lineEdit_wpaDir->setText(settings[QString("CTRL_DIR")]);
+    ui->lineEdit_wpaGroup->setText(settings[QString("CTRL_GROUP")]);
+    ui->lineEdit_interfacesDir->setText(settings[QString("IFACE_DIR")]);
+    ui->comboBox_language->setCurrentIndex(0);
+    for (int i=0; i<ui->comboBox_language->count(); i++)
+        if (ui->comboBox_language->itemText(i) == settings[QString("LANGUAGE")])
+            ui->comboBox_language->setCurrentIndex(i);
+    ui->lineEdit_netctlPath->setText(settings[QString("NETCTL_PATH")]);
+    ui->lineEdit_pid->setText(settings[QString("PID_FILE")]);
+    ui->lineEdit_interface->setText(settings[QString("PREFERED_IFACE")]);
+    ui->lineEdit_profilePath->setText(settings[QString("PROFILE_DIR")]);
+    ui->lineEdit_rfkill->setText(settings[QString("RFKILL_DIR")]);
+    ui->lineEdit_sudo->setText(settings[QString("SUDO_PATH")]);
+    ui->lineEdit_wpaSupDrivers->setText(settings[QString("WPA_DRIVERS")]);
+    ui->lineEdit_wpaCliPath->setText(settings[QString("WPACLI_PATH")]);
+    ui->lineEdit_wpaSupPath->setText(settings[QString("WPASUP_PATH")]);
+}
+
+
+QMap<QString, QString> SettingsWindow::getDefault()
+{
+    QMap<QString, QString> settings;
+
+    settings[QString("CTRL_DIR")] = QString("/run/wpa_supplicant_netctl-gui");
+    settings[QString("CTRL_GROUP")] = QString("users");
+    settings[QString("IFACE_DIR")] = QString("/sys/class/net/");
+    settings[QString("LANGUAGE")] = QString("english");
+    settings[QString("NETCTL_PATH")] = QString("/usr/bin/netctl");
+    settings[QString("PID_FILE")] = QString("/run/wpa_supplicant_netctl-gui.pid");
+    settings[QString("PREFERED_IFACE")] = QString("");
+    settings[QString("PROFILE_DIR")] = QString("/etc/netctl/");
+    settings[QString("RFKILL_DIR")] = QString("/sys/class/rfkill/");
+    settings[QString("SUDO_PATH")] = QString("/usr/bin/kdesu");
+    settings[QString("WPA_DRIVERS")] = QString("nl80211,wext");
+    settings[QString("WPACLI_PATH")] = QString("/usr/bin/wpa_cli");
+    settings[QString("WPASUP_PATH")] = QString("/usr/bin/wpa_supplicant");
+
+    return settings;
+}
+
+
+QMap<QString, QString> SettingsWindow::getSettings()
+{
+    QMap<QString, QString> settings;
+    QFile configFile(file);
+    QString fileStr;
+
+    if (!configFile.open(QIODevice::ReadOnly))
+        return getDefault();
+    while (true) {
+        fileStr = QString(configFile.readLine());
+        if (configFile.atEnd())
+            break;
+        else if (fileStr[0] != '#') {
+            if (fileStr.indexOf(QString("=")) > -1)
+                    settings[fileStr.split(QString("="))[0]] = fileStr.split(QString("="))[1]
+                            .remove(QString(" "))
+                            .trimmed();
+        }
+    }
+
+    configFile.close();
+
+    return settings;
+}
diff --git a/sources/gui/src/settingswindow.h b/sources/gui/src/settingswindow.h
index a18accf..fc3d26b 100644
--- a/sources/gui/src/settingswindow.h
+++ b/sources/gui/src/settingswindow.h
@@ -18,9 +18,13 @@
 #ifndef SETTINGSWINDOW_H
 #define SETTINGSWINDOW_H
 
+#include <QKeyEvent>
 #include <QMainWindow>
+#include <QPushButton>
 
 
+class MainWindow;
+
 namespace Ui {
 class SettingsWindow;
 }
@@ -30,11 +34,39 @@ class SettingsWindow : public QMainWindow
     Q_OBJECT
 
 public:
-    explicit SettingsWindow(QWidget *parent = 0);
+    explicit SettingsWindow(MainWindow *wid = 0,
+                            QString configFile = QString(""));
     ~SettingsWindow();
+    QMap<QString, QString> getDefault();
+    QMap<QString, QString> getSettings();
+
+public slots:
+    void setDefault();
+    void showWindow();
+
+private slots:
+    void saveSettings();
+    // buttons
+    void selectIfaceDir();
+    void selectNetctlPath();
+    void selectProfileDir();
+    void selectRfkillDir();
+    void selectSudoPath();
+    void selectWpaCliPath();
+    void selectWpaSupPath();
 
 private:
+    MainWindow *parent;
+    QString file;
     Ui::SettingsWindow *ui;
+    QPushButton *cancelButton;
+    QPushButton *defaultButton;
+    QPushButton *okButton;
+    void createActions();
+    // ESC pressed event
+    void keyPressEvent(QKeyEvent *pressedKey);
+    QMap<QString, QString> readSettings();
+    void setSettings(QMap<QString, QString> settings);
 };
 
 
diff --git a/sources/gui/src/settingswindow.ui b/sources/gui/src/settingswindow.ui
index 6396893..367234c 100644
--- a/sources/gui/src/settingswindow.ui
+++ b/sources/gui/src/settingswindow.ui
@@ -490,7 +490,7 @@
     <item>
      <widget class="QDialogButtonBox" name="buttonBox">
       <property name="standardButtons">
-       <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+       <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok|QDialogButtonBox::Reset</set>
       </property>
      </widget>
     </item>
diff --git a/sources/gui/src/tunnelwidget.cpp b/sources/gui/src/tunnelwidget.cpp
index 8177abd..5eaba93 100644
--- a/sources/gui/src/tunnelwidget.cpp
+++ b/sources/gui/src/tunnelwidget.cpp
@@ -43,7 +43,7 @@ void TunnelWidget::clear()
 }
 
 
-void TunnelWidget::setShown(bool state)
+void TunnelWidget::setShown(const bool state)
 {
     if (state)
         show();
@@ -61,7 +61,7 @@ void TunnelWidget::createFilter()
 }
 
 
-QString TunnelWidget::getIp(QString rawIp)
+QString TunnelWidget::getIp(const QString rawIp)
 {
     QStringList ip = rawIp.split(QString("."));
 
diff --git a/sources/gui/src/tunnelwidget.h b/sources/gui/src/tunnelwidget.h
index d4f6c82..69bc1f8 100644
--- a/sources/gui/src/tunnelwidget.h
+++ b/sources/gui/src/tunnelwidget.h
@@ -38,12 +38,12 @@ public:
 
 public slots:
     void clear();
-    void setShown(bool state);
+    void setShown(const bool state);
 
 private:
     Ui::TunnelWidget *ui;
     void createFilter();
-    QString getIp(QString rawIp);
+    QString getIp(const QString rawIp);
 };
 
 
diff --git a/sources/gui/src/tuntapwidget.cpp b/sources/gui/src/tuntapwidget.cpp
index 5d79dec..4c4f52e 100644
--- a/sources/gui/src/tuntapwidget.cpp
+++ b/sources/gui/src/tuntapwidget.cpp
@@ -42,7 +42,7 @@ void TuntapWidget::clear()
 }
 
 
-void TuntapWidget::setShown(bool state)
+void TuntapWidget::setShown(const bool state)
 {
     if (state)
         show();
diff --git a/sources/gui/src/tuntapwidget.h b/sources/gui/src/tuntapwidget.h
index e837566..2e1f000 100644
--- a/sources/gui/src/tuntapwidget.h
+++ b/sources/gui/src/tuntapwidget.h
@@ -38,7 +38,7 @@ public:
 
 public slots:
     void clear();
-    void setShown(bool state);
+    void setShown(const bool state);
 
 private:
     Ui::TuntapWidget *ui;
diff --git a/sources/gui/src/vlanwidget.cpp b/sources/gui/src/vlanwidget.cpp
index 9c7dc63..bc1b10d 100644
--- a/sources/gui/src/vlanwidget.cpp
+++ b/sources/gui/src/vlanwidget.cpp
@@ -40,7 +40,7 @@ void VlanWidget::clear()
 }
 
 
-void VlanWidget::setShown(bool state)
+void VlanWidget::setShown(const bool state)
 {
     if (state)
         show();
diff --git a/sources/gui/src/vlanwidget.h b/sources/gui/src/vlanwidget.h
index 540938b..87f12a6 100644
--- a/sources/gui/src/vlanwidget.h
+++ b/sources/gui/src/vlanwidget.h
@@ -38,7 +38,7 @@ public:
 
 public slots:
     void clear();
-    void setShown(bool state);
+    void setShown(const bool state);
 
 private:
     Ui::VlanWidget *ui;
diff --git a/sources/gui/src/wirelesswidget.cpp b/sources/gui/src/wirelesswidget.cpp
index d765707..3a7ff0d 100644
--- a/sources/gui/src/wirelesswidget.cpp
+++ b/sources/gui/src/wirelesswidget.cpp
@@ -23,12 +23,12 @@
 #include <QKeyEvent>
 
 
-WirelessWidget::WirelessWidget(QWidget *parent, QString rfkillDir)
+WirelessWidget::WirelessWidget(QWidget *parent, QMap<QString, QString> settings)
     : QWidget(parent),
-      rfkillDirectory(new QDir(rfkillDir)),
       ui(new Ui::WirelessWidget)
 {
     ui->setupUi(this);
+    rfkillDirectory = new QDir(settings[QString("RFKILL_DIR")]);
     createActions();
     clear();
 }
@@ -83,7 +83,7 @@ void WirelessWidget::clear()
 }
 
 
-void WirelessWidget::setShown(bool state)
+void WirelessWidget::setShown(const bool state)
 {
     if (state)
         show();
@@ -150,7 +150,7 @@ void WirelessWidget::addOption()
 }
 
 
-void WirelessWidget::changeSecurity(QString currentText)
+void WirelessWidget::changeSecurity(const QString currentText)
 {
     if (currentText == QString("none")) {
         ui->widget_essid->setShown(true);
diff --git a/sources/gui/src/wirelesswidget.h b/sources/gui/src/wirelesswidget.h
index 69a6c20..d935f0f 100644
--- a/sources/gui/src/wirelesswidget.h
+++ b/sources/gui/src/wirelesswidget.h
@@ -19,6 +19,7 @@
 #define WIRELESSWIDGET_H
 
 #include <QDir>
+#include <QMap>
 #include <QWidget>
 
 
@@ -32,7 +33,7 @@ class WirelessWidget : public QWidget
 
 public:
     explicit WirelessWidget(QWidget *parent = 0,
-                            QString rfkillDir = QString(""));
+                            QMap<QString, QString> settings = QMap<QString, QString>());
     ~WirelessWidget();
     QMap<QString, QString> getSettings();
     int isOk();
@@ -40,13 +41,13 @@ public:
 
 public slots:
     void clear();
-    void setShown(bool state);
+    void setShown(const bool state);
 
 private slots:
     void addDriver();
     void addFreq();
     void addOption();
-    void changeSecurity(QString currentText);
+    void changeSecurity(const QString currentText);
     void showAdvanced();
     void selectWpaConfig();
 
diff --git a/sources/gui/src/wpasupinteract.cpp b/sources/gui/src/wpasupinteract.cpp
index 7be512c..4fa1e66 100644
--- a/sources/gui/src/wpasupinteract.cpp
+++ b/sources/gui/src/wpasupinteract.cpp
@@ -24,15 +24,21 @@
 #include "sleepthread.h"
 
 
-WpaSup::WpaSup(MainWindow *wid, QStringList wpaConfig, QString sudoPath, QString ifaceDir, QString preferedInterface)
-    : parent(wid),
-      wpaConf(wpaConfig),
-      sudoCommand(sudoPath),
-      ifaceDirectory(new QDir(ifaceDir)),
-      mainInterface(preferedInterface)
+WpaSup::WpaSup(MainWindow *wid, QMap<QString, QString> settings)
+    : parent(wid)
 {
+    ctrlDir = settings[QString("CTRL_DIR")];
+    ctrlGroup = settings[QString("CTRL_GROUP")];
+    ifaceDirectory = new QDir(settings[QString("IFACE_DIR")]);
+    mainInterface = settings[QString("PREFERED_IFACE")];
+    pidFile = settings[QString("PID_FILE")];
+    sudoCommand = settings[QString("SUDO_PATH")];
+    wpaCliPath = settings[QString("WPACLI_PATH")];
+    wpaDrivers = settings[QString("WPA_DRIVERS")];
+    wpaSupPath = settings[QString("WPASUP_PATH")];
+
     // terminate old loaded profile
-    if (QFile(wpaConf[2]).exists() || QDir(wpaConf[4]).exists())
+    if (QFile(pidFile).exists() || QDir(ctrlDir).exists())
         stopWpaSupplicant();
 }
 
@@ -62,12 +68,12 @@ QStringList WpaSup::getInterfaceList()
 
 
 // functions
-bool WpaSup::wpaCliCall(QString commandLine)
+bool WpaSup::wpaCliCall(const QString commandLine)
 {
     QString interface = getInterfaceList()[0];
     QProcess command;
-    command.start(wpaConf[0] + QString(" -i ") + interface + QString(" -p ") + wpaConf[4] +
-            QString(" -P ") + wpaConf[2] + QString(" ") + commandLine);
+    command.start(wpaCliPath + QString(" -i ") + interface + QString(" -p ") + ctrlDir +
+            QString(" -P ") + pidFile + QString(" ") + commandLine);
     command.waitForFinished(-1);
     SleepThread::sleep(1);
     if (command.exitCode() == 0)
@@ -77,18 +83,18 @@ bool WpaSup::wpaCliCall(QString commandLine)
 }
 
 
-QString WpaSup::getWpaCliOutput(QString commandLine)
+QString WpaSup::getWpaCliOutput(const QString commandLine)
 {
     QString interface = getInterfaceList()[0];
     QProcess command;
-    command.start(wpaConf[0] + QString(" -i ") + interface + QString(" -p ") + wpaConf[4] +
-            QString(" -P ") + wpaConf[2] + QString(" ") + commandLine);
+    command.start(wpaCliPath + QString(" -i ") + interface + QString(" -p ") + ctrlDir +
+            QString(" -P ") + pidFile + QString(" ") + commandLine);
     command.waitForFinished(-1);
     return command.readAllStandardOutput();
 }
 
 
-bool WpaSup::isProfileActive(QString profile)
+bool WpaSup::isProfileActive(const QString profile)
 {
     QString profileFile;
     QList<QStringList> profileList = parent->netctlCommand->getProfileList();
@@ -99,7 +105,7 @@ bool WpaSup::isProfileActive(QString profile)
 }
 
 
-bool WpaSup::isProfileExists(QString profile)
+bool WpaSup::isProfileExists(const QString profile)
 {
     bool exists = false;
     QList<QStringList> profileList = parent->netctlCommand->getProfileList();
@@ -110,7 +116,7 @@ bool WpaSup::isProfileExists(QString profile)
 }
 
 
-QString WpaSup::existentProfile(QString profile)
+QString WpaSup::existentProfile(const QString profile)
 {
     QString profileFile = QString("");
     QList<QStringList> profileList = parent->netctlCommand->getProfileList();
@@ -123,12 +129,12 @@ QString WpaSup::existentProfile(QString profile)
 
 bool WpaSup::startWpaSupplicant()
 {
-    if (!QFile(wpaConf[2]).exists()) {
+    if (!QFile(pidFile).exists()) {
         QString interface = getInterfaceList()[0];
         QProcess command;
-        command.start(sudoCommand + QString(" ") + wpaConf[1] + QString(" -B -P ") + wpaConf[2] +
-                QString(" -i ") + interface + QString(" -D ") + wpaConf[3] +
-                QString(" -C \"DIR=") + wpaConf[4] + QString(" GROUP=") + wpaConf[5]);
+        command.start(sudoCommand + QString(" ") + wpaSupPath + QString(" -B -P ") + pidFile +
+                QString(" -i ") + interface + QString(" -D ") + wpaDrivers +
+                QString(" -C \"DIR=") + ctrlDir + QString(" GROUP=") + ctrlGroup);
         command.waitForFinished(-1);
         SleepThread::sleep(1);
         if (command.exitCode() != 0)
diff --git a/sources/gui/src/wpasupinteract.h b/sources/gui/src/wpasupinteract.h
index 00aeac9..e281a9c 100644
--- a/sources/gui/src/wpasupinteract.h
+++ b/sources/gui/src/wpasupinteract.h
@@ -19,6 +19,7 @@
 #define WPASUPINTERACT_H
 
 #include <QDir>
+#include <QMap>
 #include <QObject>
 
 
@@ -30,19 +31,16 @@ class WpaSup : public QObject
 
 public:
     explicit WpaSup(MainWindow *wid = 0,
-                    QStringList wpaConfig = QStringList(),
-                    QString sudoPath = QString(""),
-                    QString ifaceDir = QString(""),
-                    QString preferedInterface = QString(""));
+                    QMap<QString, QString> settings = QMap<QString, QString>());
     ~WpaSup();
     // general information
     QStringList getInterfaceList();
     // functions
-    bool wpaCliCall(QString commandLine);
-    QString getWpaCliOutput(QString commandLine);
-    bool isProfileExists(QString profile);
-    QString existentProfile(QString profile);
-    bool isProfileActive(QString profile);
+    bool wpaCliCall(const QString commandLine);
+    QString getWpaCliOutput(const QString commandLine);
+    bool isProfileExists(const QString profile);
+    QString existentProfile(const QString profile);
+    bool isProfileActive(const QString profile);
 
 public slots:
     // functions
@@ -52,10 +50,15 @@ public slots:
 
 private:
     MainWindow *parent;
-    QStringList wpaConf;
-    QString sudoCommand;
+    QString ctrlDir;
+    QString ctrlGroup;
     QDir *ifaceDirectory;
     QString mainInterface;
+    QString pidFile;
+    QString sudoCommand;
+    QString wpaCliPath;
+    QString wpaDrivers;
+    QString wpaSupPath;
 };