diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt
--- a/autotests/CMakeLists.txt
+++ b/autotests/CMakeLists.txt
@@ -51,6 +51,7 @@
   ecm_add_tests(
     klocalsockettest.cpp
     klocalsocketservertest.cpp
+    privilegejobtest.cpp
     NAME_PREFIX "kiocore-"
     LINK_LIBRARIES KF5::KIOCore KF5::I18n Qt5::Test Qt5::Network
   )
diff --git a/autotests/privilegejobtest.h b/autotests/privilegejobtest.h
new file mode 100644
--- /dev/null
+++ b/autotests/privilegejobtest.h
@@ -0,0 +1,45 @@
+/***
+    Copyright (C) 2017 by Chinmoy Ranjan Pradhan <chinmoyrp65@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) version 3, or any
+    later version accepted by the membership of KDE e.V. (or its
+    successor approved by the membership of KDE e.V.), which shall
+    act as a proxy defined in Section 6 of version 3 of the license.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifndef PRIVILEGEJOBTEST_H
+#define PRIVILEGEJOBTEST_H
+
+#include <QObject>
+
+class PrivilegeJobTest : public QObject
+{
+    Q_OBJECT
+private Q_SLOTS:
+    void initTestCase();
+    void cleanupTestCase();
+
+    void privilegeChmod();
+    void privilegeCopy();
+    void privilegeDelete();
+    void privilegeMkpath();
+    void privilegePut();
+    void privilegeRename();
+    void privileSymlink();
+
+private:
+    QString m_testFilePath;
+};
+
+#endif
diff --git a/autotests/privilegejobtest.cpp b/autotests/privilegejobtest.cpp
new file mode 100644
--- /dev/null
+++ b/autotests/privilegejobtest.cpp
@@ -0,0 +1,134 @@
+/***
+    Copyright (C) 2017 by Chinmoy Ranjan Pradhan <chinmoyrp65@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) version 3, or any
+    later version accepted by the membership of KDE e.V. (or its
+    successor approved by the membership of KDE e.V.), which shall
+    act as a proxy defined in Section 6 of version 3 of the license.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "privilegejobtest.h"
+
+#include <QtTest/QtTest>
+
+#include <KIO/ChmodJob>
+#include <KIO/CopyJob>
+#include <KIO/DeleteJob>
+#include <KIO/MkpathJob>
+#include <KIO/SimpleJob>
+#include <KIO/TransferJob>
+
+#include "kiotesthelper.h"
+
+QTEST_MAIN(PrivilegeJobTest)
+
+void PrivilegeJobTest::initTestCase()
+{
+    // To avoid a runtime dependency on klauncher
+    qputenv("KDE_FORK_SLAVES", "yes");
+
+    cleanupTestCase();
+    homeTmpDir();
+    m_testFilePath = homeTmpDir() + "testfile";
+    createTestFile(m_testFilePath);
+    QVERIFY(QFile::exists(m_testFilePath));
+    QVERIFY(QFile::setPermissions(homeTmpDir(), QFileDevice::ReadOwner | QFileDevice::ExeOwner));
+}
+
+void PrivilegeJobTest::cleanupTestCase()
+{
+    QFile::setPermissions(homeTmpDir(), QFileDevice::ReadOwner | QFileDevice::WriteOwner | QFileDevice::ExeOwner);
+    QDir(homeTmpDir()).removeRecursively();
+}
+
+void PrivilegeJobTest::privilegeChmod()
+{
+    KFileItem item(QUrl::fromLocalFile(m_testFilePath));
+    const mode_t origPerm = item.permissions();
+    mode_t newPerm = origPerm ^ S_IWGRP;
+    QVERIFY(newPerm != origPerm);
+    // Remove search permission
+    QVERIFY(QFile::setPermissions(homeTmpDir(), QFileDevice::ReadOwner));
+    KFileItemList items; items << item;
+    KIO::Job *job = KIO::chmod(items, newPerm, S_IWGRP, QString(), QString(), false, KIO::HideProgressInfo);
+    job->addMetaData("UnitTesting", "true");
+    job->setUiDelegate(nullptr);
+    QVERIFY(job->exec());
+    QCOMPARE(job->queryMetaData("TestData"), QLatin1String("PrivilegeOperationAllowed"));
+    // Bring it back
+    QVERIFY(QFile::setPermissions(homeTmpDir(), QFileDevice::ReadOwner | QFileDevice::ExeOwner));
+}
+
+void PrivilegeJobTest::privilegeCopy()
+{
+    const QUrl src = QUrl::fromLocalFile(m_testFilePath);
+    const QUrl dest = QUrl::fromLocalFile(homeTmpDir() + "newtestfile");
+    KIO::CopyJob *job = KIO::copy(src, dest, KIO::HideProgressInfo);
+    job->addMetaData("UnitTesting", "true");
+    job->setUiDelegate(nullptr);
+    QVERIFY(job->exec());
+    QCOMPARE(job->queryMetaData("TestData"), QStringLiteral("PrivilegeOperationAllowed"));
+}
+
+void PrivilegeJobTest::privilegeDelete()
+{
+    const QUrl url = QUrl::fromLocalFile(m_testFilePath);
+    KIO::DeleteJob *job = KIO::del(url, KIO::HideProgressInfo);
+    job->addMetaData("UnitTesting", "true");
+    job->setUiDelegate(nullptr);
+    QVERIFY(job->exec());
+    QCOMPARE(job->queryMetaData("TestData"), QStringLiteral("PrivilegeOperationAllowed"));
+}
+
+void PrivilegeJobTest::privilegeMkpath()
+{
+    const QUrl dirUrl = QUrl::fromLocalFile(homeTmpDir() + "testdir");
+    KIO::MkpathJob *job = KIO::mkpath(dirUrl, QUrl(), KIO::HideProgressInfo);
+    job->addMetaData("UnitTesting", "true");
+    job->setUiDelegate(nullptr);
+    QVERIFY(job->exec());
+    QCOMPARE(job->queryMetaData("TestData"), QStringLiteral("PrivilegeOperationAllowed"));
+}
+
+void PrivilegeJobTest::privilegePut()
+{
+    const QUrl url = QUrl::fromLocalFile(homeTmpDir() + "putfile");
+    KIO::TransferJob *job = KIO::put(url, -1, KIO::HideProgressInfo);
+    job->addMetaData("UnitTesting", "true");
+    job->setUiDelegate(nullptr);
+    QVERIFY(job->exec());
+    QCOMPARE(job->queryMetaData("TestData"), QStringLiteral("PrivilegeOperationAllowed"));
+}
+
+void PrivilegeJobTest::privilegeRename()
+{
+    const QUrl src = QUrl::fromLocalFile(homeTmpDir() + "testfile");
+    const QUrl dest = QUrl::fromLocalFile(homeTmpDir() + "newtestfile");
+    KIO::SimpleJob *job = KIO::rename(src, dest, KIO::HideProgressInfo);
+    job->addMetaData("UnitTesting", "true");
+    job->setUiDelegate(nullptr);
+    QVERIFY(job->exec());
+    QCOMPARE(job->queryMetaData("TestData"), QStringLiteral("PrivilegeOperationAllowed"));
+}
+
+void PrivilegeJobTest::privileSymlink()
+{
+    const QString target = homeTmpDir() + "testfile";
+    const QUrl dest = QUrl::fromLocalFile(homeTmpDir() + "symlink");
+    KIO::SimpleJob *job = KIO::symlink(target, dest, KIO::HideProgressInfo);
+    job->addMetaData("UnitTesting", "true");
+    job->setUiDelegate(nullptr);
+    QVERIFY(job->exec());
+    QCOMPARE(job->queryMetaData("TestData"), QStringLiteral("PrivilegeOperationAllowed"));
+}
diff --git a/src/ioslaves/file/file_win.cpp b/src/ioslaves/file/file_win.cpp
--- a/src/ioslaves/file/file_win.cpp
+++ b/src/ioslaves/file/file_win.cpp
@@ -392,12 +392,12 @@
 {
     return PrivilegeOperationReturnValue::failure();
 }
-PrivilegeOperationReturnValue tryOpen(QFile &f, const QByteArray &, int , int)
+PrivilegeOperationReturnValue FileProtocol::tryOpen(QFile &f, const QByteArray &, int , int)
 {
     return PrivilegeOperationReturnValue::failure();
 }
 
-PrivilegeOperationReturnValue tryChangeFileAttr(ActionType , const QVariant &, const QVariant &, const QVariant &)
+PrivilegeOperationReturnValue FileProtocol::tryChangeFileAttr(ActionType , const QVariant &, const QVariant &, const QVariant &)
 {
     return PrivilegeOperationReturnValue::failure();
 }