844 lines
27 KiB
C++
844 lines
27 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifdef WNT
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# include <stdio.h>
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# include <sys/stat.h>
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# include <windows.h>
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#endif
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#ifdef ANDROID
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# include <dlfcn.h>
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#endif
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#if OSL_DEBUG_LEVEL > 0
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#include <stdio.h>
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#endif
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#include <string.h>
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#include "boost/scoped_array.hpp"
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#include "config_options.h"
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#include "osl/diagnose.h"
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#include "rtl/ustring.hxx"
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#include "rtl/ustrbuf.hxx"
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#include "osl/module.hxx"
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#include "osl/mutex.hxx"
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#include "osl/process.h"
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#include "osl/thread.hxx"
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#include "osl/file.hxx"
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#include "rtl/instance.hxx"
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#include "osl/getglobalmutex.hxx"
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#include <setjmp.h>
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#include <signal.h>
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#include <stack>
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#include "jni.h"
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#include "rtl/byteseq.hxx"
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#include "jvmfwk/vendorplugin.h"
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#include "util.hxx"
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#include "sunversion.hxx"
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#include "vendorlist.hxx"
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#include "diagnostics.h"
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#ifdef ANDROID
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#include <osl/detail/android-bootstrap.h>
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#else
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#if !ENABLE_RUNTIME_OPTIMIZATIONS
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#define FORCE_INTERPRETED 1
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#elif defined HAVE_VALGRIND_HEADERS
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#include <valgrind/valgrind.h>
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#define FORCE_INTERPRETED RUNNING_ON_VALGRIND
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#else
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#define FORCE_INTERPRETED 0
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#endif
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#endif
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using namespace osl;
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using namespace std;
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using namespace jfw_plugin;
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namespace {
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struct PluginMutex: public ::rtl::Static<osl::Mutex, PluginMutex> {};
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#if defined UNX
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OString getPluginJarPath(
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const OUString & sVendor,
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const OUString& sLocation,
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const OUString& sVersion)
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{
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OString ret;
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OUString sName1("javaplugin.jar");
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OUString sName2("plugin.jar");
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OUString sPath;
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if ( sVendor == "Sun Microsystems Inc." )
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{
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SunVersion ver142("1.4.2-ea");
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SunVersion ver150("1.5.0-ea");
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SunVersion ver(sVersion);
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OSL_ASSERT(ver142 && ver150 && ver);
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OUString sName;
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if (ver < ver142)
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{
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sName = sName1;
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}
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else if (ver < ver150)
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{//this will cause ea, beta etc. to have plugin.jar in path.
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//but this does not harm. 1.5.0-beta < 1.5.0
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sName = sName2;
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}
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if (!sName.isEmpty())
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{
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sName = sLocation + "/lib/" + sName;
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OSL_VERIFY(
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osl_getSystemPathFromFileURL(sName.pData, & sPath.pData)
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== osl_File_E_None);
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}
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}
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else
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{
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char sep[] = {SAL_PATHSEPARATOR, 0};
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OUString sName(sLocation + "/lib/" + sName1);
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OUString sPath1;
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OUString sPath2;
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if (osl_getSystemPathFromFileURL(sName.pData, & sPath1.pData)
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== osl_File_E_None)
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{
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sName = sLocation + "/lib/" + sName2;
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if (osl_getSystemPathFromFileURL(sName.pData, & sPath2.pData)
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== osl_File_E_None)
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{
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sPath = sPath1 + OUString::createFromAscii(sep) + sPath2;
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}
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}
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OSL_ASSERT(!sPath.isEmpty());
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}
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ret = OUStringToOString(sPath, osl_getThreadTextEncoding());
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return ret;
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}
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#endif // UNX
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JavaInfo* createJavaInfo(const rtl::Reference<VendorBase> & info)
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{
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JavaInfo* pInfo = (JavaInfo*) rtl_allocateMemory(sizeof(JavaInfo));
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if (pInfo == NULL)
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return NULL;
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OUString sVendor = info->getVendor();
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pInfo->sVendor = sVendor.pData;
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rtl_uString_acquire(sVendor.pData);
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OUString sHome = info->getHome();
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pInfo->sLocation = sHome.pData;
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rtl_uString_acquire(pInfo->sLocation);
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OUString sVersion = info->getVersion();
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pInfo->sVersion = sVersion.pData;
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rtl_uString_acquire(pInfo->sVersion);
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pInfo->nFeatures = info->supportsAccessibility() ? 1 : 0;
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pInfo->nRequirements = info->needsRestart() ? JFW_REQUIRE_NEEDRESTART : 0;
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OUStringBuffer buf(1024);
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buf.append(info->getRuntimeLibrary());
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if (!info->getLibraryPaths().isEmpty())
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{
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buf.appendAscii("\n");
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buf.append(info->getLibraryPaths());
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buf.appendAscii("\n");
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}
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OUString sVendorData = buf.makeStringAndClear();
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rtl::ByteSequence byteSeq( (sal_Int8*) sVendorData.pData->buffer,
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sVendorData.getLength() * sizeof(sal_Unicode));
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pInfo->arVendorData = byteSeq.get();
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rtl_byte_sequence_acquire(pInfo->arVendorData);
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return pInfo;
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}
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OUString getRuntimeLib(const rtl::ByteSequence & data)
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{
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const sal_Unicode* chars = (sal_Unicode*) data.getConstArray();
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sal_Int32 len = data.getLength();
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OUString sData(chars, len / 2);
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//the runtime lib is on the first line
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sal_Int32 index = 0;
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OUString aToken = sData.getToken( 0, '\n', index);
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return aToken;
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}
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jmp_buf jmp_jvm_abort;
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sig_atomic_t g_bInGetJavaVM = 0;
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extern "C" void JNICALL abort_handler()
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{
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// If we are within JNI_CreateJavaVM then we jump back into getJavaVM
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if( g_bInGetJavaVM != 0 )
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{
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fprintf( stderr, "JavaVM: JNI_CreateJavaVM called _exit, caught by abort_handler in javavm.cxx\n");
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longjmp( jmp_jvm_abort, 0);
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}
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}
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}
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extern "C"
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javaPluginError jfw_plugin_getAllJavaInfos(
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rtl_uString *sVendor,
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rtl_uString *sMinVersion,
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rtl_uString *sMaxVersion,
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rtl_uString * *arExcludeList,
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sal_Int32 nLenList,
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JavaInfo*** parJavaInfo,
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sal_Int32 *nLenInfoList)
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{
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OSL_ASSERT(sVendor);
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OSL_ASSERT(sMinVersion);
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OSL_ASSERT(sMaxVersion);
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OSL_ASSERT(parJavaInfo);
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OSL_ASSERT(parJavaInfo);
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OSL_ASSERT(nLenInfoList);
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if (!sVendor || !sMinVersion || !sMaxVersion || !parJavaInfo || !nLenInfoList)
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return JFW_PLUGIN_E_INVALID_ARG;
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//nLenlist contains the number of element in arExcludeList.
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//If no exclude list is provided then nLenList must be 0
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OSL_ASSERT( ! (arExcludeList == NULL && nLenList > 0));
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if (arExcludeList == NULL && nLenList > 0)
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return JFW_PLUGIN_E_INVALID_ARG;
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OUString ouVendor(sVendor);
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OUString ouMinVer(sMinVersion);
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OUString ouMaxVer(sMaxVersion);
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OSL_ASSERT(!ouVendor.isEmpty());
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if (ouVendor.isEmpty())
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return JFW_PLUGIN_E_INVALID_ARG;
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JavaInfo** arInfo = NULL;
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//Find all JREs
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vector<rtl::Reference<VendorBase> > vecInfos =
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getAllJREInfos();
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vector<rtl::Reference<VendorBase> > vecVerifiedInfos;
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typedef vector<rtl::Reference<VendorBase> >::iterator it;
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for (it i= vecInfos.begin(); i != vecInfos.end(); ++i)
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{
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const rtl::Reference<VendorBase>& cur = *i;
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if (!ouVendor.equals(cur->getVendor()))
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continue;
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if (!ouMinVer.isEmpty())
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{
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try
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{
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if (cur->compareVersions(sMinVersion) == -1)
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continue;
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}
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catch (MalformedVersionException&)
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{
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//The minVersion was not recognized as valid for this vendor.
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JFW_ENSURE(
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false,
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"[Java framework]sunjavaplugin does not know version: "
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+ ouMinVer + " for vendor: " + cur->getVendor()
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+ " .Check minimum Version." );
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return JFW_PLUGIN_E_WRONG_VERSION_FORMAT;
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}
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}
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if (!ouMaxVer.isEmpty())
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{
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try
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{
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if (cur->compareVersions(sMaxVersion) == 1)
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continue;
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}
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catch (MalformedVersionException&)
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{
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//The maxVersion was not recognized as valid for this vendor.
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JFW_ENSURE(
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false,
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"[Java framework]sunjavaplugin does not know version: "
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+ ouMaxVer + " for vendor: " + cur->getVendor()
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+ " .Check maximum Version." );
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return JFW_PLUGIN_E_WRONG_VERSION_FORMAT;
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}
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}
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bool bExclude = false;
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for (int j = 0; j < nLenList; j++)
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{
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OUString sExVer(arExcludeList[j]);
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try
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{
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if (cur->compareVersions(sExVer) == 0)
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{
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bExclude = true;
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break;
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}
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}
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catch (MalformedVersionException&)
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{
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//The excluded version was not recognized as valid for this vendor.
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JFW_ENSURE(
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false,
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"[Java framework]sunjavaplugin does not know version: "
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+ sExVer + " for vendor: " + cur->getVendor()
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+ " .Check excluded versions." );
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return JFW_PLUGIN_E_WRONG_VERSION_FORMAT;
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}
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}
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if (bExclude == true)
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continue;
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vecVerifiedInfos.push_back(*i);
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}
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//Now vecVerifiedInfos contains all those JREs which meet the version requirements
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//Transfer them into the array that is passed out.
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arInfo = (JavaInfo**) rtl_allocateMemory(vecVerifiedInfos.size() * sizeof (JavaInfo*));
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int j = 0;
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typedef vector<rtl::Reference<VendorBase> >::const_iterator cit;
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for (cit ii = vecVerifiedInfos.begin(); ii != vecVerifiedInfos.end(); ++ii, ++j)
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{
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arInfo[j] = createJavaInfo(*ii);
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}
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*nLenInfoList = vecVerifiedInfos.size();
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*parJavaInfo = arInfo;
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return JFW_PLUGIN_E_NONE;
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}
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extern "C"
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javaPluginError jfw_plugin_getJavaInfoByPath(
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rtl_uString *path,
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rtl_uString *sVendor,
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rtl_uString *sMinVersion,
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rtl_uString *sMaxVersion,
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rtl_uString * *arExcludeList,
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sal_Int32 nLenList,
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JavaInfo ** ppInfo)
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{
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javaPluginError errorcode = JFW_PLUGIN_E_NONE;
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OSL_ASSERT(path);
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OSL_ASSERT(sVendor);
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OSL_ASSERT(sMinVersion);
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OSL_ASSERT(sMaxVersion);
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if (!path || !sVendor || !sMinVersion || !sMaxVersion || !ppInfo)
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return JFW_PLUGIN_E_INVALID_ARG;
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OUString ouPath(path);
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OSL_ASSERT(!ouPath.isEmpty());
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if (ouPath.isEmpty())
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return JFW_PLUGIN_E_INVALID_ARG;
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//nLenlist contains the number of element in arExcludeList.
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//If no exclude list is provided then nLenList must be 0
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OSL_ASSERT( ! (arExcludeList == NULL && nLenList > 0));
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if (arExcludeList == NULL && nLenList > 0)
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return JFW_PLUGIN_E_INVALID_ARG;
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OUString ouVendor(sVendor);
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OUString ouMinVer(sMinVersion);
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OUString ouMaxVer(sMaxVersion);
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OSL_ASSERT(!ouVendor.isEmpty());
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if (ouVendor.isEmpty())
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return JFW_PLUGIN_E_INVALID_ARG;
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rtl::Reference<VendorBase> aVendorInfo = getJREInfoByPath(ouPath);
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if (!aVendorInfo.is())
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return JFW_PLUGIN_E_NO_JRE;
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//Check if the detected JRE matches the version requirements
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if (!ouVendor.equals(aVendorInfo->getVendor()))
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return JFW_PLUGIN_E_NO_JRE;
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if (!ouMinVer.isEmpty())
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{
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int nRes = 0;
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try
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{
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nRes = aVendorInfo->compareVersions(ouMinVer);
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}
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catch (MalformedVersionException&)
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{
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//The minVersion was not recognized as valid for this vendor.
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JFW_ENSURE(
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false,
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"[Java framework]sunjavaplugin does not know version: "
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+ ouMinVer + " for vendor: " + aVendorInfo->getVendor()
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+ " .Check minimum Version." );
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return JFW_PLUGIN_E_WRONG_VERSION_FORMAT;
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}
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if (nRes < 0)
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return JFW_PLUGIN_E_FAILED_VERSION;
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}
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if (!ouMaxVer.isEmpty())
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{
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int nRes = 0;
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try
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{
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nRes = aVendorInfo->compareVersions(ouMaxVer);
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}
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catch (MalformedVersionException&)
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{
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//The maxVersion was not recognized as valid for this vendor.
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JFW_ENSURE(
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false,
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"[Java framework]sunjavaplugin does not know version: "
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+ ouMaxVer + " for vendor: " + aVendorInfo->getVendor()
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+ " .Check maximum Version." );
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return JFW_PLUGIN_E_WRONG_VERSION_FORMAT;
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}
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if (nRes > 0)
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return JFW_PLUGIN_E_FAILED_VERSION;
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}
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for (int i = 0; i < nLenList; i++)
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{
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OUString sExVer(arExcludeList[i]);
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int nRes = 0;
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try
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{
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nRes = aVendorInfo->compareVersions(sExVer);
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}
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catch (MalformedVersionException&)
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{
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//The excluded version was not recognized as valid for this vendor.
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JFW_ENSURE(
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false,
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"[Java framework]sunjavaplugin does not know version: "
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+ sExVer + " for vendor: " + aVendorInfo->getVendor()
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+ " .Check excluded versions." );
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return JFW_PLUGIN_E_WRONG_VERSION_FORMAT;
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}
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if (nRes == 0)
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return JFW_PLUGIN_E_FAILED_VERSION;
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}
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*ppInfo = createJavaInfo(aVendorInfo);
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return errorcode;
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}
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#if defined(WNT)
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// Load msvcr71.dll using an explicit full path from where it is
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|
// present as bundled with the JRE. In case it is not found where we
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// think it should be, do nothing, and just let the implicit loading
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// that happens when loading the JVM take care of it.
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static void load_msvcr(LPCWSTR jvm_dll, wchar_t const* msvcr)
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{
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wchar_t msvcr_dll[MAX_PATH];
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wchar_t *slash;
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if (wcslen(jvm_dll) > MAX_PATH - 15)
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return;
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wcscpy(msvcr_dll, jvm_dll);
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|
// First check if msvcr71.dll is in the same folder as jvm.dll. It
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// normally isn't, at least up to 1.6.0_22, but who knows if it
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// might be in the future.
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slash = wcsrchr(msvcr_dll, L'\\');
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if (!slash)
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{
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// Huh, weird path to jvm.dll. Oh well.
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return;
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}
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wcscpy(slash+1, msvcr);
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|
if (LoadLibraryW(msvcr_dll))
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return;
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|
// Then check if msvcr71.dll is in the parent folder of where
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|
// jvm.dll is. That is currently (1.6.0_22) as far as I know the
|
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// normal case.
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*slash = 0;
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slash = wcsrchr(msvcr_dll, L'\\');
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if (!slash)
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return;
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wcscpy(slash+1, msvcr);
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LoadLibraryW(msvcr_dll);
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}
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|
|
// Check if the jvm DLL imports msvcr71.dll, and in that case try
|
|
// loading it explicitly. In case something goes wrong, do nothing,
|
|
// and just let the implicit loading try to take care of it.
|
|
static void do_msvcr_magic(rtl_uString *jvm_dll)
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{
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rtl_uString* Module(0);
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struct stat st;
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oslFileError nError = osl_getSystemPathFromFileURL(jvm_dll, &Module);
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|
|
if ( osl_File_E_None != nError )
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|
rtl_uString_assign(&Module, jvm_dll);
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FILE *f = _wfopen(reinterpret_cast<LPCWSTR>(Module->buffer), L"rb");
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|
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if (fstat(fileno(f), &st) == -1)
|
|
{
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|
fclose(f);
|
|
return;
|
|
}
|
|
|
|
PIMAGE_DOS_HEADER dos_hdr = (PIMAGE_DOS_HEADER) malloc(st.st_size);
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|
|
|
if (fread(dos_hdr, st.st_size, 1, f) != 1 ||
|
|
memcmp(dos_hdr, "MZ", 2) != 0 ||
|
|
dos_hdr->e_lfanew < 0 ||
|
|
dos_hdr->e_lfanew > (LONG) (st.st_size - sizeof(IMAGE_NT_HEADERS)))
|
|
{
|
|
free(dos_hdr);
|
|
fclose(f);
|
|
return;
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
IMAGE_NT_HEADERS *nt_hdr = (IMAGE_NT_HEADERS *) ((char *)dos_hdr + dos_hdr->e_lfanew);
|
|
|
|
DWORD importsVA = nt_hdr->OptionalHeader
|
|
.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress;
|
|
// first determine Virtual-to-File-address mapping for the section
|
|
// that contains the import directory
|
|
IMAGE_SECTION_HEADER *sections = IMAGE_FIRST_SECTION(nt_hdr);
|
|
ptrdiff_t VAtoPhys = -1;
|
|
for (int i = 0; i < nt_hdr->FileHeader.NumberOfSections; ++i)
|
|
{
|
|
if (sections->VirtualAddress <= importsVA &&
|
|
importsVA < sections->VirtualAddress + sections->SizeOfRawData)
|
|
{
|
|
VAtoPhys = sections->PointerToRawData - sections->VirtualAddress;
|
|
break;
|
|
}
|
|
++sections;
|
|
}
|
|
if (-1 == VAtoPhys) // not found?
|
|
{
|
|
free(dos_hdr);
|
|
return;
|
|
}
|
|
IMAGE_IMPORT_DESCRIPTOR *imports =
|
|
(IMAGE_IMPORT_DESCRIPTOR *) ((char *) dos_hdr + importsVA + VAtoPhys);
|
|
|
|
while (imports <= (IMAGE_IMPORT_DESCRIPTOR *) ((char *) dos_hdr + st.st_size - sizeof (IMAGE_IMPORT_DESCRIPTOR)) &&
|
|
imports->Name != 0 &&
|
|
imports->Name + VAtoPhys < (DWORD) st.st_size)
|
|
{
|
|
static struct { char const * name; wchar_t const * wname; } msvcrts[] =
|
|
{
|
|
{ "msvcr71.dll" , L"msvcr71.dll" },
|
|
{ "msvcr100.dll", L"msvcr100.dll" },
|
|
};
|
|
char const* importName = (char *) dos_hdr + imports->Name + VAtoPhys;
|
|
for (size_t i = 0; i < SAL_N_ELEMENTS(msvcrts); ++i)
|
|
{
|
|
if (0 == strnicmp(importName,
|
|
// Intentional strlen() + 1 here to include terminating zero
|
|
msvcrts[i].name, strlen(msvcrts[i].name) + 1))
|
|
{
|
|
load_msvcr(reinterpret_cast<LPCWSTR>(Module->buffer),
|
|
msvcrts[i].wname);
|
|
free(dos_hdr);
|
|
return;
|
|
}
|
|
}
|
|
imports++;
|
|
}
|
|
|
|
free(dos_hdr);
|
|
}
|
|
|
|
#endif
|
|
|
|
/** starts a Java Virtual Machine.
|
|
<p>
|
|
The function shall ensure, that the VM does not abort the process
|
|
during instantiation.
|
|
</p>
|
|
*/
|
|
extern "C"
|
|
javaPluginError jfw_plugin_startJavaVirtualMachine(
|
|
const JavaInfo *pInfo,
|
|
const JavaVMOption* arOptions,
|
|
sal_Int32 cOptions,
|
|
JavaVM ** ppVm,
|
|
JNIEnv ** ppEnv)
|
|
{
|
|
// unless guard is volatile the following warning occurs on gcc:
|
|
// warning: variable 't' might be clobbered by `longjmp' or `vfork'
|
|
volatile osl::MutexGuard guard(PluginMutex::get());
|
|
// unless errorcode is volatile the following warning occurs on gcc:
|
|
// warning: variable 'errorcode' might be clobbered by `longjmp' or `vfork'
|
|
volatile javaPluginError errorcode = JFW_PLUGIN_E_NONE;
|
|
if ( pInfo == NULL || ppVm == NULL || ppEnv == NULL)
|
|
return JFW_PLUGIN_E_INVALID_ARG;
|
|
//Check if the Vendor (pInfo->sVendor) is supported by this plugin
|
|
if ( ! isVendorSupported(pInfo->sVendor))
|
|
return JFW_PLUGIN_E_WRONG_VENDOR;
|
|
OUString sRuntimeLib = getRuntimeLib(pInfo->arVendorData);
|
|
JFW_TRACE2("[Java framework] Using Java runtime library: "
|
|
+ sRuntimeLib + ".\n");
|
|
|
|
#ifndef ANDROID
|
|
// On linux we load jvm with RTLD_GLOBAL. This is necessary for debugging, because
|
|
// libjdwp.so need a symbol (fork1) from libjvm which it only gets if the jvm is loaded
|
|
// witd RTLD_GLOBAL. On Solaris libjdwp.so is correctly linked with libjvm.so
|
|
oslModule moduleRt = 0;
|
|
#if defined(LINUX)
|
|
if ((moduleRt = osl_loadModule(sRuntimeLib.pData,
|
|
SAL_LOADMODULE_GLOBAL | SAL_LOADMODULE_NOW)) == 0 )
|
|
#else
|
|
#if defined(WNT)
|
|
do_msvcr_magic(sRuntimeLib.pData);
|
|
#endif
|
|
if ((moduleRt = osl_loadModule(sRuntimeLib.pData, SAL_LOADMODULE_DEFAULT)) == 0)
|
|
#endif
|
|
{
|
|
JFW_ENSURE(false,
|
|
"[Java framework]sunjavaplugin" SAL_DLLEXTENSION
|
|
" could not load Java runtime library: \n"
|
|
+ sRuntimeLib + "\n");
|
|
JFW_TRACE0("[Java framework]sunjavaplugin" SAL_DLLEXTENSION
|
|
" could not load Java runtime library: \n"
|
|
+ sRuntimeLib + "\n");
|
|
return JFW_PLUGIN_E_VM_CREATION_FAILED;
|
|
}
|
|
|
|
#if defined UNX && !defined MACOSX
|
|
//Setting the JAVA_HOME is needed for awt
|
|
OUString sPathLocation;
|
|
osl_getSystemPathFromFileURL(pInfo->sLocation, & sPathLocation.pData);
|
|
osl_setEnvironment(OUString("JAVA_HOME").pData, sPathLocation.pData);
|
|
#endif
|
|
|
|
typedef jint JNICALL JNI_CreateVM_Type(JavaVM **, JNIEnv **, void *);
|
|
OUString sSymbolCreateJava("JNI_CreateJavaVM");
|
|
|
|
JNI_CreateVM_Type * pCreateJavaVM = (JNI_CreateVM_Type *) osl_getFunctionSymbol(
|
|
moduleRt, sSymbolCreateJava.pData);
|
|
if (!pCreateJavaVM)
|
|
{
|
|
OSL_ASSERT(false);
|
|
OString sLib = OUStringToOString(
|
|
sRuntimeLib, osl_getThreadTextEncoding());
|
|
OString sSymbol = OUStringToOString(
|
|
sSymbolCreateJava, osl_getThreadTextEncoding());
|
|
fprintf(stderr,"[Java framework]sunjavaplugin" SAL_DLLEXTENSION
|
|
"Java runtime library: %s does not export symbol %s !\n",
|
|
sLib.getStr(), sSymbol.getStr());
|
|
osl_unloadModule(moduleRt);
|
|
return JFW_PLUGIN_E_VM_CREATION_FAILED;
|
|
}
|
|
|
|
// Valgrind typically emits many false errors when executing JIT'ed JVM
|
|
// code, so force the JVM into interpreted mode:
|
|
bool forceInterpreted = FORCE_INTERPRETED > 0;
|
|
|
|
// Some testing with Java 1.4 showed that JavaVMOption.optionString has to
|
|
// be encoded with the system encoding (i.e., osl_getThreadTextEncoding):
|
|
JavaVMInitArgs vm_args;
|
|
|
|
sal_Int32 nOptions = 1 + cOptions + (forceInterpreted ? 1 : 0);
|
|
//TODO: check for overflow
|
|
boost::scoped_array<JavaVMOption> sarOptions(new JavaVMOption[nOptions]);
|
|
JavaVMOption * options = sarOptions.get();
|
|
|
|
// We set an abort handler which is called when the VM calls _exit during
|
|
// JNI_CreateJavaVM. This happens when the LD_LIBRARY_PATH does not contain
|
|
// all some directories of the Java installation. This is necessary for
|
|
// all versions below 1.5.1
|
|
int n = 0;
|
|
options[n].optionString= (char *) "abort";
|
|
options[n].extraInfo= (void* )(sal_IntPtr)abort_handler;
|
|
++n;
|
|
OString sClassPathOption;
|
|
for (int i = 0; i < cOptions; i++)
|
|
{
|
|
#ifdef UNX
|
|
// Until java 1.5 we need to put a plugin.jar or javaplugin.jar (<1.4.2)
|
|
// in the class path in order to have applet support.
|
|
OString sClassPath = arOptions[i].optionString;
|
|
if (sClassPath.startsWith("-Djava.class.path="))
|
|
{
|
|
OString sAddPath = getPluginJarPath(pInfo->sVendor, pInfo->sLocation,pInfo->sVersion);
|
|
if (!sAddPath.isEmpty())
|
|
sClassPathOption = sClassPath + OString(SAL_PATHSEPARATOR)
|
|
+ sAddPath;
|
|
else
|
|
sClassPathOption = sClassPath;
|
|
options[n].optionString = (char *) sClassPathOption.getStr();
|
|
options[n].extraInfo = arOptions[i].extraInfo;
|
|
}
|
|
else
|
|
{
|
|
#endif
|
|
options[n].optionString = arOptions[i].optionString;
|
|
options[n].extraInfo = arOptions[i].extraInfo;
|
|
#ifdef UNX
|
|
}
|
|
#endif
|
|
#if OSL_DEBUG_LEVEL >= 2
|
|
JFW_TRACE2("VM option: " << options[n].optionString << "\n");
|
|
#endif
|
|
++n;
|
|
}
|
|
if (forceInterpreted) {
|
|
options[n].optionString = const_cast<char *>("-Xint");
|
|
options[n].extraInfo = 0;
|
|
++n;
|
|
}
|
|
|
|
#ifdef MACOSX
|
|
vm_args.version= JNI_VERSION_1_4; // issue 88987
|
|
#else
|
|
vm_args.version= JNI_VERSION_1_2;
|
|
#endif
|
|
vm_args.options= options;
|
|
vm_args.nOptions= nOptions;
|
|
vm_args.ignoreUnrecognized= JNI_TRUE;
|
|
|
|
/* We set a global flag which is used by the abort handler in order to
|
|
determine whether it is should use longjmp to get back into this function.
|
|
That is, the abort handler determines if it is on the same stack as this function
|
|
and then jumps back into this function.
|
|
*/
|
|
g_bInGetJavaVM = 1;
|
|
jint err;
|
|
JavaVM * pJavaVM = 0;
|
|
memset( jmp_jvm_abort, 0, sizeof(jmp_jvm_abort));
|
|
int jmpval= setjmp( jmp_jvm_abort );
|
|
/* If jmpval is not "0" then this point was reached by a longjmp in the
|
|
abort_handler, which was called indirectly by JNI_CreateVM.
|
|
*/
|
|
if( jmpval == 0)
|
|
{
|
|
//returns negative number on failure
|
|
err= pCreateJavaVM(&pJavaVM, ppEnv, &vm_args);
|
|
g_bInGetJavaVM = 0;
|
|
}
|
|
else
|
|
// set err to a positive number, so as or recognize that an abort (longjmp)
|
|
//occurred
|
|
err= 1;
|
|
|
|
if(err != 0)
|
|
{
|
|
if( err < 0)
|
|
{
|
|
fprintf(stderr,"[Java framework] sunjavaplugin" SAL_DLLEXTENSION
|
|
"Can not create Java Virtual Machine\n");
|
|
errorcode = JFW_PLUGIN_E_VM_CREATION_FAILED;
|
|
}
|
|
else if( err > 0)
|
|
{
|
|
fprintf(stderr,"[Java framework] sunjavaplugin" SAL_DLLEXTENSION
|
|
"Can not create JavaVirtualMachine, abort handler was called.\n");
|
|
errorcode = JFW_PLUGIN_E_VM_CREATION_FAILED;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*ppVm = pJavaVM;
|
|
JFW_TRACE2("[Java framework] sunjavaplugin" SAL_DLLEXTENSION " has created a VM.\n");
|
|
}
|
|
#else
|
|
(void) arOptions;
|
|
(void) cOptions;
|
|
// On Android we always have a Java VM as we only expect this code
|
|
// to be run in an Android app anyway.
|
|
*ppVm = lo_get_javavm();
|
|
fprintf(stderr, "lo_get_javavm returns %p", *ppVm);
|
|
#endif
|
|
|
|
return errorcode;
|
|
}
|
|
|
|
extern "C"
|
|
javaPluginError jfw_plugin_existJRE(const JavaInfo *pInfo, sal_Bool *exist)
|
|
{
|
|
javaPluginError ret = JFW_PLUGIN_E_NONE;
|
|
if (!pInfo || !exist)
|
|
return JFW_PLUGIN_E_INVALID_ARG;
|
|
OUString sLocation(pInfo->sLocation);
|
|
|
|
if (sLocation.isEmpty())
|
|
return JFW_PLUGIN_E_INVALID_ARG;
|
|
::osl::DirectoryItem item;
|
|
::osl::File::RC rc_item = ::osl::DirectoryItem::get(sLocation, item);
|
|
if (::osl::File::E_None == rc_item)
|
|
{
|
|
*exist = sal_True;
|
|
}
|
|
else if (::osl::File::E_NOENT == rc_item)
|
|
{
|
|
*exist = sal_False;
|
|
}
|
|
else
|
|
{
|
|
ret = JFW_PLUGIN_E_ERROR;
|
|
}
|
|
//We can have the situation that the JavaVM runtime library is not
|
|
//contained within JAVA_HOME. Then the check for JAVA_HOME would return
|
|
//true although the runtime library may not be loadable.
|
|
//Or the JAVA_HOME directory of a deinstalled JRE left behind.
|
|
if (ret == JFW_PLUGIN_E_NONE && *exist == sal_True)
|
|
{
|
|
OUString sRuntimeLib = getRuntimeLib(pInfo->arVendorData);
|
|
JFW_TRACE2("[Java framework] Checking existence of Java runtime library.\n");
|
|
|
|
::osl::DirectoryItem itemRt;
|
|
::osl::File::RC rc_itemRt = ::osl::DirectoryItem::get(sRuntimeLib, itemRt);
|
|
if (::osl::File::E_None == rc_itemRt)
|
|
{
|
|
*exist = sal_True;
|
|
JFW_TRACE2("[Java framework] Java runtime library exist: "
|
|
+ sRuntimeLib + "\n");
|
|
|
|
}
|
|
else if (::osl::File::E_NOENT == rc_itemRt)
|
|
{
|
|
*exist = sal_False;
|
|
JFW_TRACE2("[Java framework] Java runtime library does not exist: "
|
|
+ sRuntimeLib + "\n");
|
|
}
|
|
else
|
|
{
|
|
ret = JFW_PLUGIN_E_ERROR;
|
|
JFW_TRACE2("[Java framework] Error while looking for Java runtime library: "
|
|
+ sRuntimeLib + " \n");
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|