/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  OMJ S60 preinstaller process

 *

*/

#include <e32std.h>

#include <e32base.h>

#include <f32file.h>

#include <e32property.h>

#include <javadomainpskeys.h>

#include "javauids.h"

#include "javaoslayer.h"

#include "javasymbianoslayer.h"

#include "silentmidletinstall.h"

#include "logger.h"

using namespace java::util;

_LIT_SECURE_ID(KJavaCaptainSecureID, KJavaCaptainUid);

// This file is used to indicate when converting old S60 midlets

// to OMJ midlets has been done.

_LIT(KConversionOngoing, "D:\\OMJConverting.dat");

/**

 * The PS keys can be created from this process because javapreinstaller

 * has the same Symbian secure ID as javainstaller and so javainstaller

 * can later destroy the keys if necessary.

 */

static void CreateJavaInstallerPSKeys()

{

    LOG(EJavaPreinstaller, EInfo,

        "CreateJavaInstallerPSKeys: Going to create Java Installer PS keys");

    // any process can read the values of the PS keys

    _LIT_SECURITY_POLICY_PASS(KReadPolicy);

    // update allowed by processes with write system data capability

    _LIT_SECURITY_POLICY_C1(KWritePolicy, ECapabilityWriteDeviceData);

    TInt err = RProperty::Define(KUidSystemCategory, KPSUidJavaLatestInstallation,

                                 RProperty::EInt, KReadPolicy, KWritePolicy);

    if (KErrAlreadyExists == err)

    {

        err = KErrNone; // Ignore KErrAlreadyExists status.

    }

    if (err != KErrNone)

    {

        ELOG1(EJavaPreinstaller, "CreateJavaInstallerPSKeys: "

              "creating KPSUidJavaLatestInstallation failed with error %d", err);

    }

    err = RProperty::Define(KUidSystemCategory, KPSUidJavaLatestInstallationProgress,

                            RProperty::EInt, KReadPolicy, KWritePolicy);

    if (KErrAlreadyExists == err)

    {

        err = KErrNone; // Ignore KErrAlreadyExists status.

    }

    if (err != KErrNone)

    {

        ELOG1(EJavaPreinstaller, "CreateJavaInstallerPSKeys: "

              "creating KPSUidJavaLatestInstallationProgress failed with error %d", err);

    }

    err = RProperty::Define(KUidSystemCategory, KPSUidJavaLatestInstallationState,

                            RProperty::EInt, KReadPolicy, KWritePolicy);

    if (KErrAlreadyExists == err)

    {

        err = KErrNone; // Ignore KErrAlreadyExists status.

    }

    if (err != KErrNone)

    {

        ELOG1(EJavaPreinstaller, "CreateJavaInstallerPSKeys: "

              "creating KPSUidJavaLatestInstallationState failed with error %d", err);

    }

}

/**

 * Create file server connection,

 * create active scheduler,

 * add CSilentMIDletInstall active object to it and start it

 */

static void startPreinstallationL()

{

    JELOG2(EJavaPreinstaller);

    CActiveScheduler* as = new(ELeave) CActiveScheduler();

    // Install active scheduler

    CActiveScheduler::Install(as);

    CleanupStack::PushL(as);

    RFs fs;

    User::LeaveIfError(fs.Connect());

    CleanupClosePushL(fs);

    // Setup the MIDlet preinstaller and add it to the active scheduler

    CSilentMIDletInstall* si = CSilentMIDletInstall::NewLC(fs);

    LOG(EJavaPreinstaller, EInfo, "startPreinstallationL: Call CSilentMIDletInstall::Start()");

    // Initialize the MIDlet preinstaller

    si->Start();

    // Start active scheduler. Preinstallation starts.

    LOG(EJavaPreinstaller, EInfo, "startPreinstallationL: Starting CActiveScheduler");

    // Now preinstallation has been done

    LOG(EJavaPreinstaller, EInfo, "startPreinstallationL: Cleaning up");

    TInt err = fs.Delete(KConversionOngoing);

    LOG1(EJavaPreinstaller,

         EInfo,

         "startPreinstallationL: Delete flag file returned status code %d",

         err);

    CleanupStack::PopAndDestroy(si);

    CleanupStack::PopAndDestroy(&fs); // close connection to file server

    CleanupStack::PopAndDestroy(as);

}

/**

 * Allow starting process only from Java Captain.

 * Execute actual preinstaller code in CSilentMIDletInstall.

 */

void preinstallerMainL()

{

    // The only time that this application should be executed

    // is when Java Captain calls it.

    if (User::CreatorSecureId() != KJavaCaptainSecureID)

    {

        ELOG(EJavaPreinstaller,

             "preinstallerMainL: Mismatch in secure ID, only Java Captain can launch this exe.");

        User::Leave(KErrPermissionDenied);

    }

    // Create the PS keys that Java Installer will update already now

    // so that other processes starting during device boot can start

    // immediately listening to the keys.

    CreateJavaInstallerPSKeys();

    startPreinstallationL();

}

/**

 * Using this kind of dllMain() allows starting preinstaller from

 * the same starter process as installer and runtime (so that they have the same

 * Symbian secure Uid and can access the same data cage).

 */

int dllMain(int /*argc*/, char */*argv*/[])

{

    JELOG(EJavaPreinstaller, "PREINSTALLER main()");

    JavaOsLayer::startUpTrace("PREINSTALLER main() start", -1, -1);

    User::RenameProcess(_L("javapreinstaller"));

    User::RenameThread(_L("JavaPreinstallerMainThread"));

    LOG(EJavaPreinstaller, EInfo, "dllMain: Renaming process and thread done");

    // Make sure that this thread has always cleanup stack

    CTrapCleanup* cleanupStack = CTrapCleanup::New();

    TRAPD(err, preinstallerMainL());

    if (KErrNone != err)

    {

        ELOG1(EJavaPreinstaller, "dllMain: preinstallerMainL leaved with error %d", err);

    }

    delete cleanupStack;

    LOG1(EJavaPreinstaller, EInfo, "PREINSTALLER main() exit = %d", err);

    JavaOsLayer::startUpTrace("PREINSTALLER main() end", -1, -1);

    return err;

}

EXPORT_C FuncPtr findDllMethod(const char* funcName)

{

    FuncPtr ptr = 0;

    if (strcmp(funcName, "dllMain") == 0)

    {

        ptr = (FuncPtr)dllMain;

    }

    return ptr;

}

// eof