1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  This main entry point of Java processes.

    15 *

    16 */

    17 

    18 

    19 #include <unistd.h>

    20 #include <string.h>

    21 #include <memory>

    22 

    23 #include "logger.h"

    24 #include "javaoslayer.h"

    25 #include "exceptionbase.h"

    26 #include "dynamiclibloader.h"

    27 

    28 #include "javaprocessconstants.h"

    29 

    30 using namespace java::util;

    31 

    32 typedef int (*DllmainFunc)(int argc, const char *argv[]);

    33 

    34 

    35 const char* allowedDlls[] = {java::runtime::JAVA_MIDP_STARTER_DLL,

    36                              java::runtime::JAVA_INSTALLER_STARTER_DLL,

    37                              java::runtime::JAVA_PREINSTALLER_STARTER_DLL,

    38                              java::runtime::JAVA_SIZE_HELPER_SERVER_DLL

    39                             };

    40 

    41 const int tableSize = sizeof(allowedDlls) / sizeof(char*);

    42 int main(int argc, const char *argv[])

    43 {

    44     JELOG(EJavaRuntime, "Java main()");

    45     LOG(EJavaRuntime, EInfo, "JAVA MAIN STARTED");

    46     JavaOsLayer::startUpTrace("Java main", -1, -1);

    47 

    48     int result = -1;

    49     try

    50     {

    51         //Verifying that the dll name has been provided

    52         if (argc > 1)

    53         {

    54             const char* libName = argv[1];

    55             for (int i = 0; i<tableSize; ++i)

    56             {

    57                 if (strcmp(libName, allowedDlls[i]) == 0) // codescanner::accessArrayElementWithoutCheck2

    58                 {

    59                     result = 0;

    60                     break;

    61                 }

    62             }

    63             if (result != 0)

    64             {

    65                 ELOG1(EJavaRuntime, "Tried to create Java process with "

    66                       "illegal dll: %s ", libName);

    67                 return -1;

    68             }

    69 

    70             //Loading the defined library

    71             std::auto_ptr<DynamicLibLoader>

    72             lib(new DynamicLibLoader(libName)); // codescanner::nonleavenew

    73             DllmainFunc dllMain = (DllmainFunc)(lib->getFunction("dllMain"));

    74 

    75             argv[1] = argv[0];

    76 

    77             //Calling the main entry point.

    78             result = dllMain(argc-1, &argv[1]); // codescanner::accessArrayElementWithoutCheck2

    79             lib->closeLib();

    80         }

    81         else

    82         {

    83             ELOG(EJavaRuntime, "Not enough arguments for loading the runtime "

    84                  "dll.");

    85         }

    86     }

    87 

    88     catch (ExceptionBase& e)

    89     {

    90         ELOG1(EJavaRuntime, "Java main() ExceptionBase catched: %s ",

    91               e.toString().c_str());

    92     }

    93 

    94     catch (std::exception& e)

    95     {

    96 

    97         ELOG1(EJavaRuntime, "Java main() Exception %s catched", e.what());

    98     }

    99 

   100     LOG1(EJavaRuntime, EInfo, "JAVA MAIN EXIT = %d", result);

   101     return result;

   102 }