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Diffstat (limited to 'jvmfwk/plugins/sunmajor/pluginlib/util.cxx')
| -rw-r--r-- | jvmfwk/plugins/sunmajor/pluginlib/util.cxx | 1281 |
1 files changed, 1281 insertions, 0 deletions
diff --git a/jvmfwk/plugins/sunmajor/pluginlib/util.cxx b/jvmfwk/plugins/sunmajor/pluginlib/util.cxx new file mode 100644 index 000000000..6eb96d731 --- /dev/null +++ b/jvmfwk/plugins/sunmajor/pluginlib/util.cxx @@ -0,0 +1,1281 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <config_folders.h> + +#include "util.hxx" + +#include <osl/process.h> +#include <osl/file.hxx> +#include <osl/module.hxx> +#include <osl/diagnose.h> +#include <rtl/ustrbuf.hxx> +#include <sal/log.hxx> +#include <salhelper/linkhelper.hxx> +#include <salhelper/thread.hxx> +#include <o3tl/string_view.hxx> +#include <memory> +#include <utility> +#include <algorithm> +#include <map> +#include <string_view> + +#if defined(_WIN32) +#if !defined WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#endif +#include <string.h> + +#include "sunjre.hxx" +#include "vendorlist.hxx" +#include "diagnostics.h" +#if defined MACOSX && defined __x86_64__ +#include "util_cocoa.hxx" +#endif + +using namespace osl; + +using ::rtl::Reference; + +#ifdef _WIN32 +#define HKEY_SUN_JRE L"Software\\JavaSoft\\Java Runtime Environment" +#define HKEY_SUN_SDK L"Software\\JavaSoft\\Java Development Kit" +#endif + +#if defined( UNX ) && !defined( MACOSX ) +namespace { +char const *g_arJavaNames[] = { + "", + "j2re", + "j2se", + "j2sdk", + "jdk", + "jre", + "java" +}; + +/* These are directory names which could contain multiple java installations. + */ +char const *g_arCollectDirs[] = { + "", +#ifndef JVM_ONE_PATH_CHECK + "j2re/", + "j2se/", + "j2sdk/", + "jdk/", + "jre/", + "java/", +#endif + "jvm/" +}; + +/* These are directories in which a java installation is + looked for. +*/ +char const *g_arSearchPaths[] = { +#ifndef JVM_ONE_PATH_CHECK + "", + "usr/", + "usr/local/", +#ifdef X86_64 + "usr/lib64/", +#endif + "usr/lib/", + "usr/bin/" +#else + JVM_ONE_PATH_CHECK +#endif +}; +} +#endif // UNX && !MACOSX + +namespace jfw_plugin +{ +#if defined(_WIN32) +static bool getSDKInfoFromRegistry(std::vector<OUString> & vecHome); +static bool getJREInfoFromRegistry(std::vector<OUString>& vecJavaHome); +#endif + +static bool decodeOutput(std::string_view s, OUString* out); + + +namespace +{ + +bool addJREInfo( + rtl::Reference<VendorBase> const & info, + std::vector<rtl::Reference<VendorBase>> & infos) +{ + if (std::none_of(infos.begin(), infos.end(), InfoFindSame(info->getHome()))) { + infos.push_back(info); + return true; + } else { + return false; + } +} + +bool getAndAddJREInfoByPath( + const OUString& path, + std::vector<rtl::Reference<VendorBase> > & allInfos, + std::vector<rtl::Reference<VendorBase> > & addedInfos) +{ + rtl::Reference<VendorBase> aInfo = getJREInfoByPath(path); + if (aInfo.is()) { + if (addJREInfo(aInfo, allInfos)) { + addedInfos.push_back(aInfo); + } + return true; + } else { + return false; + } +} + +} + +namespace { + +class FileHandleGuard +{ +public: + explicit FileHandleGuard(oslFileHandle & rHandle): + m_rHandle(rHandle) {} + + inline ~FileHandleGuard(); + + FileHandleGuard(const FileHandleGuard&) = delete; + FileHandleGuard& operator=(const FileHandleGuard&) = delete; + + oslFileHandle & getHandle() { return m_rHandle; } + +private: + oslFileHandle & m_rHandle; +}; + +} + +inline FileHandleGuard::~FileHandleGuard() +{ + if (m_rHandle != nullptr) + { + if (osl_closeFile(m_rHandle) != osl_File_E_None) + { + OSL_FAIL("unexpected situation"); + } + } +} + +namespace { + +class FileHandleReader +{ +public: + enum Result + { + RESULT_OK, + RESULT_EOF, + RESULT_ERROR + }; + + explicit FileHandleReader(oslFileHandle & rHandle): + m_aGuard(rHandle), m_nSize(0), m_nIndex(0), m_bLf(false) {} + + Result readLine(OString * pLine); + +private: + enum { BUFFER_SIZE = 1024 }; + + char m_aBuffer[BUFFER_SIZE]; + FileHandleGuard m_aGuard; + int m_nSize; + int m_nIndex; + bool m_bLf; +}; + +} + +FileHandleReader::Result +FileHandleReader::readLine(OString * pLine) +{ + OSL_ENSURE(pLine, "specification violation"); + + for (bool bEof = true;; bEof = false) + { + if (m_nIndex == m_nSize) + { + sal_uInt64 nRead = 0; + switch (osl_readFile( + m_aGuard.getHandle(), m_aBuffer, sizeof(m_aBuffer), &nRead)) + { + case osl_File_E_PIPE: //HACK! for windows + nRead = 0; + [[fallthrough]]; + case osl_File_E_None: + if (nRead == 0) + { + m_bLf = false; + return bEof ? RESULT_EOF : RESULT_OK; + } + m_nIndex = 0; + m_nSize = static_cast< int >(nRead); + break; + case osl_File_E_INTR: + continue; + + default: + return RESULT_ERROR; + } + } + + if (m_bLf && m_aBuffer[m_nIndex] == 0x0A) + ++m_nIndex; + m_bLf = false; + + int nStart = m_nIndex; + while (m_nIndex != m_nSize) + switch (m_aBuffer[m_nIndex++]) + { + case 0x0D: + m_bLf = true; + [[fallthrough]]; + case 0x0A: + *pLine += std::string_view(m_aBuffer + nStart, + m_nIndex - 1 - nStart); + //TODO! check for overflow, and not very efficient + return RESULT_OK; + } + + *pLine += std::string_view(m_aBuffer + nStart, m_nIndex - nStart); + //TODO! check for overflow, and not very efficient + } +} + +namespace { + +class AsynchReader: public salhelper::Thread +{ + size_t m_nDataSize; + std::unique_ptr<char[]> m_arData; + + FileHandleGuard m_aGuard; + + virtual ~AsynchReader() override {} + + void execute() override; +public: + + explicit AsynchReader(oslFileHandle & rHandle); + + /** only call this function after this thread has finished. + + That is, call join on this instance and then call getData. + + */ + OString getData(); +}; + +} + +AsynchReader::AsynchReader(oslFileHandle & rHandle): + Thread("jvmfwkAsyncReader"), m_nDataSize(0), + m_aGuard(rHandle) +{ +} + +OString AsynchReader::getData() +{ + return OString(m_arData.get(), m_nDataSize); +} + +void AsynchReader::execute() +{ + const sal_uInt64 BUFFER_SIZE = 4096; + char aBuffer[BUFFER_SIZE]; + while (true) + { + sal_uInt64 nRead; + //the function blocks until something could be read or the pipe closed. + switch (osl_readFile( + m_aGuard.getHandle(), aBuffer, BUFFER_SIZE, &nRead)) + { + case osl_File_E_PIPE: //HACK! for windows + nRead = 0; + [[fallthrough]]; + case osl_File_E_None: + break; + default: + return; + } + + if (nRead == 0) + { + break; + } + else if (nRead <= BUFFER_SIZE) + { + //Save the data we have in m_arData into a temporary array + std::unique_ptr<char[]> arTmp( new char[m_nDataSize]); + if (m_nDataSize != 0) { + memcpy(arTmp.get(), m_arData.get(), m_nDataSize); + } + //Enlarge m_arData to hold the newly read data + m_arData.reset(new char[static_cast<size_t>(m_nDataSize + nRead)]); + //Copy back the data that was already in m_arData + memcpy(m_arData.get(), arTmp.get(), m_nDataSize); + //Add the newly read data to m_arData + memcpy(m_arData.get() + m_nDataSize, aBuffer, static_cast<size_t>(nRead)); + m_nDataSize += static_cast<size_t>(nRead); + } + } +} + +bool getJavaProps(const OUString & exePath, +#ifdef JVM_ONE_PATH_CHECK + const OUString & homePath, +#endif + std::vector<std::pair<OUString, OUString> >& props, + bool * bProcessRun) +{ + bool ret = false; + + OSL_ASSERT(!exePath.isEmpty()); + OUString usStartDir; + //We need to set the CLASSPATH in case the office is started from + //a different directory. The JREProperties.class is expected to reside + //next to the plugin, except on macOS where it is in ../Resources/java relative + //to the plugin. + OUString sThisLib; + if (!osl_getModuleURLFromAddress(reinterpret_cast<void *>(&getJavaProps), + & sThisLib.pData)) + { + return false; + } + sThisLib = getDirFromFile(sThisLib); + OUString sClassPath; + if (osl_getSystemPathFromFileURL(sThisLib.pData, & sClassPath.pData) + != osl_File_E_None) + { + return false; + } + +#ifdef MACOSX +#if defined __x86_64__ + if (!JvmfwkUtil_isLoadableJVM(exePath)) + return false; +#endif + if (sClassPath.endsWith("/")) + sClassPath += "../Resources/java/"; + else + sClassPath += "/../Resources/java"; +#endif + + //prepare the arguments + sal_Int32 const cArgs = 3; + OUString arg1 = "-classpath";// + sClassPath; + OUString arg2 = sClassPath; + OUString arg3("JREProperties"); + rtl_uString *args[cArgs] = {arg1.pData, arg2.pData, arg3.pData}; + + oslProcess javaProcess= nullptr; + oslFileHandle fileOut= nullptr; + oslFileHandle fileErr= nullptr; + + FileHandleReader stdoutReader(fileOut); + rtl::Reference< AsynchReader > stderrReader(new AsynchReader(fileErr)); + + JFW_TRACE2("Executing: " + exePath); + oslProcessError procErr = + osl_executeProcess_WithRedirectedIO( exePath.pData,//usExe.pData, + args, + cArgs, //sal_uInt32 nArguments, + osl_Process_HIDDEN, //oslProcessOption Options, + nullptr, //oslSecurity Security, + usStartDir.pData,//usStartDir.pData,//usWorkDir.pData, //rtl_uString *strWorkDir, + nullptr, //rtl_uString *strEnvironment[], + 0, // sal_uInt32 nEnvironmentVars, + &javaProcess, //oslProcess *pProcess, + nullptr,//oslFileHandle *pChildInputWrite, + &fileOut,//oslFileHandle *pChildOutputRead, + &fileErr);//oslFileHandle *pChildErrorRead); + + if( procErr != osl_Process_E_None) + { + JFW_TRACE2("Execution failed"); + *bProcessRun = false; + SAL_WARN("jfw", + "osl_executeProcess failed (" << ret << "): \"" << exePath << "\""); + return ret; + } + else + { + JFW_TRACE2("Java executed successfully"); + *bProcessRun = true; + } + + //Start asynchronous reading (different thread) of error stream + stderrReader->launch(); + + //Use this thread to read output stream + FileHandleReader::Result rs = FileHandleReader::RESULT_OK; + JFW_TRACE2("Properties found:"); + while (true) + { + OString aLine; + rs = stdoutReader.readLine( & aLine); + if (rs != FileHandleReader::RESULT_OK) + break; + OUString sLine; + if (!decodeOutput(aLine, &sLine)) + continue; + JFW_TRACE2(" \"" << sLine << "\""); + sLine = sLine.trim(); + if (sLine.isEmpty()) + continue; + //The JREProperties class writes key value pairs, separated by '=' + sal_Int32 index = sLine.indexOf('='); + OSL_ASSERT(index != -1); + OUString sKey = sLine.copy(0, index); + OUString sVal = sLine.copy(index + 1); + +#ifdef JVM_ONE_PATH_CHECK + //replace absolute path by linux distro link + OUString sHomeProperty("java.home"); + if(sHomeProperty.equals(sKey)) + { + sVal = homePath + "/jre"; + } +#endif + + props.emplace_back(sKey, sVal); + } + + if (rs != FileHandleReader::RESULT_ERROR && !props.empty()) + ret = true; + + //process error stream data + stderrReader->join(); + JFW_TRACE2("Java wrote to stderr:\" " + << stderrReader->getData() << " \""); + + TimeValue waitMax= {5 ,0}; + procErr = osl_joinProcessWithTimeout(javaProcess, &waitMax); + OSL_ASSERT(procErr == osl_Process_E_None); + osl_freeProcessHandle(javaProcess); + return ret; +} + +/* converts the properties printed by JREProperties.class into + readable strings. The strings are encoded as integer values separated + by spaces. + */ +bool decodeOutput(std::string_view s, OUString* out) +{ + OSL_ASSERT(out != nullptr); + OUStringBuffer buff(512); + sal_Int32 nIndex = 0; + do + { + std::string_view aToken = o3tl::getToken(s, 0, ' ', nIndex ); + if (!aToken.empty()) + { + for (size_t i = 0; i < aToken.size(); ++i) + { + if (aToken[i] < '0' || aToken[i] > '9') + return false; + } + sal_Unicode value = static_cast<sal_Unicode>(o3tl::toInt32(aToken)); + buff.append(value); + } + } while (nIndex >= 0); + + *out = buff.makeStringAndClear(); + return true; +} + + +#if defined(_WIN32) + +static bool getJavaInfoFromRegistry(const wchar_t* szRegKey, + std::vector<OUString>& vecJavaHome) +{ + HKEY hRoot; + if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szRegKey, 0, KEY_ENUMERATE_SUB_KEYS, &hRoot) + == ERROR_SUCCESS) + { + DWORD dwIndex = 0; + const DWORD BUFFSIZE = 1024; + wchar_t bufVersion[BUFFSIZE]; + FILETIME fileTime; + DWORD nNameLen = sizeof(bufVersion); + + // Iterate over all subkeys of HKEY_LOCAL_MACHINE\Software\JavaSoft\Java Runtime Environment + while (RegEnumKeyExW(hRoot, dwIndex, bufVersion, &nNameLen, nullptr, nullptr, nullptr, &fileTime) != ERROR_NO_MORE_ITEMS) + { + HKEY hKey; + // Open a Java Runtime Environment sub key, e.g. "1.4.0" + if (RegOpenKeyExW(hRoot, bufVersion, 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS) + { + DWORD dwType; + DWORD dwTmpPathLen= 0; + // Get the path to the JavaHome every JRE entry + // Find out how long the string for JavaHome is and allocate memory to hold the path + if( RegQueryValueExW(hKey, L"JavaHome", nullptr, &dwType, nullptr, &dwTmpPathLen)== ERROR_SUCCESS) + { + unsigned char* szTmpPath= static_cast<unsigned char *>(malloc(dwTmpPathLen+sizeof(sal_Unicode))); + // According to https://msdn.microsoft.com/en-us/ms724911, the application should ensure + // that the string is properly terminated before using it + for (DWORD i = 0; i < sizeof(sal_Unicode); ++i) + szTmpPath[dwTmpPathLen + i] = 0; + // Get the path for the runtime lib + if(RegQueryValueExW(hKey, L"JavaHome", nullptr, &dwType, szTmpPath, &dwTmpPathLen) == ERROR_SUCCESS) + { + // There can be several version entries referring with the same JavaHome,e.g 1.4 and 1.4.1 + OUString usHome(reinterpret_cast<sal_Unicode*>(szTmpPath)); + // check if there is already an entry with the same JavaHomeruntime lib + // if so, we use the one with the more accurate version + OUString usHomeUrl; + if (osl_getFileURLFromSystemPath(usHome.pData, & usHomeUrl.pData) == + osl_File_E_None) + { + bool bAppend= true; + //iterate over the vector with java home strings + for (auto const& javaHome : vecJavaHome) + { + if(usHomeUrl.equals(javaHome)) + { + bAppend= false; + break; + } + } + // Save the home dir + if(bAppend) + { + vecJavaHome.push_back(usHomeUrl); + } + } + } + free( szTmpPath); + RegCloseKey(hKey); + } + } + dwIndex ++; + nNameLen = BUFFSIZE; + } + RegCloseKey(hRoot); + } + return true; +} + + +bool getSDKInfoFromRegistry(std::vector<OUString> & vecHome) +{ + return getJavaInfoFromRegistry(HKEY_SUN_SDK, vecHome); +} + +bool getJREInfoFromRegistry(std::vector<OUString>& vecJavaHome) +{ + return getJavaInfoFromRegistry(HKEY_SUN_JRE, vecJavaHome); +} + +static void addJavaInfoFromWinReg( + std::vector<rtl::Reference<VendorBase> > & allInfos, + std::vector<rtl::Reference<VendorBase> > & addedInfos) +{ + // Get Java s from registry + std::vector<OUString> vecJavaHome; + if(getSDKInfoFromRegistry(vecJavaHome)) + { + // create impl objects + for (auto const& javaHome : vecJavaHome) + { + getAndAddJREInfoByPath(javaHome, allInfos, addedInfos); + } + } + + vecJavaHome.clear(); + if(getJREInfoFromRegistry(vecJavaHome)) + { + for (auto const& javaHome : vecJavaHome) + { + getAndAddJREInfoByPath(javaHome, allInfos, addedInfos); + } + } + + vecJavaHome.clear(); + if (getJavaInfoFromRegistry(L"Software\\JavaSoft\\JDK", vecJavaHome)) { + for (auto const & javaHome: vecJavaHome) { + getAndAddJREInfoByPath(javaHome, allInfos, addedInfos); + } + } + + vecJavaHome.clear(); + if (getJavaInfoFromRegistry(L"Software\\JavaSoft\\JRE", vecJavaHome)) { + for (auto const & javaHome: vecJavaHome) { + getAndAddJREInfoByPath(javaHome, allInfos, addedInfos); + } + } +} + +#endif // _WIN32 + +void bubbleSortVersion(std::vector<rtl::Reference<VendorBase> >& vec) +{ + if(vec.empty()) + return; + int size= vec.size() - 1; + int cIter= 0; + // sort for version + for(int i= 0; i < size; i++) + { + for(int j= size; j > 0 + cIter; j--) + { + rtl::Reference<VendorBase>& cur= vec.at(j); + rtl::Reference<VendorBase>& next= vec.at(j-1); + + int nCmp = 0; + // comparing invalid SunVersion s is possible, they will be less than a + // valid version + + //check if version of current is recognized, by comparing it with itself + try + { + (void)cur->compareVersions(cur->getVersion()); + } + catch (MalformedVersionException &) + { + nCmp = -1; // current < next + } + //The version of cur is valid, now compare with the second version + if (nCmp == 0) + { + try + { + nCmp = cur->compareVersions(next->getVersion()); + } + catch (MalformedVersionException & ) + { + //The second version is invalid, therefore it regards less. + nCmp = 1; + } + } + if(nCmp == 1) // cur > next + { + std::swap(cur, next); + } + } + ++cIter; + } +} + + +void addJREInfoFromBinPath( + const OUString& path, std::vector<rtl::Reference<VendorBase>> & allInfos, + std::vector<rtl::Reference<VendorBase>> & addedInfos) +{ + // file:///c:/jre/bin + //map: jre/bin/java.exe + + for ( sal_Int32 pos = 0; + gVendorMap[pos].sVendorName != nullptr; ++pos ) + { + std::vector<OUString> vecPaths; + getJavaExePaths_func pFunc = gVendorMap[pos].getJavaFunc; + + int size = 0; + char const* const* arExePaths = (*pFunc)(&size); + vecPaths = getVectorFromCharArray(arExePaths, size); + + //make sure argument path does not end with '/' + OUString sBinPath = path; + if (path.endsWith("/")) + sBinPath = path.copy(0, path.getLength() - 1); + + for (auto const& looppath : vecPaths) + { + //the map contains e.g. jre/bin/java.exe + //get the directory where the executable is contained + OUString sHome; + sal_Int32 index = looppath.lastIndexOf('/'); + if (index == -1) + { + //map contained only : "java.exe, then the argument + //path is already the home directory + sHome = sBinPath; + } + else + { + // jre/bin/jre -> jre/bin + OUString sMapPath = looppath.copy(0, index); + index = sBinPath.lastIndexOf(sMapPath); + if (index != -1 + && (index + sMapPath.getLength() == sBinPath.getLength()) + && sBinPath[index - 1] == '/') + { + sHome = sBinPath.copy(index - 1); + } + } + if (!sHome.isEmpty() + && getAndAddJREInfoByPath(path, allInfos, addedInfos)) + { + return; + } + } + } +} + +std::vector<Reference<VendorBase> > addAllJREInfos( + bool checkJavaHomeAndPath, + std::vector<rtl::Reference<VendorBase>> & allInfos) +{ + std::vector<Reference<VendorBase> > addedInfos; + +#if defined(_WIN32) + // Get Javas from the registry + addJavaInfoFromWinReg(allInfos, addedInfos); +#endif // _WIN32 + + if (checkJavaHomeAndPath) { + addJavaInfoFromJavaHome(allInfos, addedInfos); + //this function should be called after addJavaInfosDirScan. + //Otherwise in SDKs Java may be started twice + addJavaInfosFromPath(allInfos, addedInfos); + } + +#ifdef UNX + addJavaInfosDirScan(allInfos, addedInfos); +#endif + + bubbleSortVersion(addedInfos); + return addedInfos; +} + + +std::vector<OUString> getVectorFromCharArray(char const * const * ar, int size) +{ + std::vector<OUString> vec; + for( int i = 0; i < size; i++) + { + OUString s(ar[i], strlen(ar[i]), RTL_TEXTENCODING_UTF8); + vec.push_back(s); + } + return vec; +} + +/** Checks if the path is a directory. Links are resolved. + In case of an error the returned string has the length 0. + Otherwise the returned string is the "resolved" file URL. + */ +static OUString resolveDirPath(const OUString & path) +{ + OUString ret; + salhelper::LinkResolver aResolver(osl_FileStatus_Mask_Type | + osl_FileStatus_Mask_FileURL); + if (aResolver.fetchFileStatus(path) == osl::FileBase::E_None) + { + //check if this is a directory + if (aResolver.m_aStatus.getFileType() == FileStatus::Directory) + { +#ifndef JVM_ONE_PATH_CHECK + ret = aResolver.m_aStatus.getFileURL(); +#else + ret = path; +#endif + } + } + return ret; +} +/** Checks if the path is a file. If it is a link to a file than + it is resolved. + */ +static OUString resolveFilePath(const OUString & path) +{ + OUString ret; + salhelper::LinkResolver aResolver(osl_FileStatus_Mask_Type | + osl_FileStatus_Mask_FileURL); + if (aResolver.fetchFileStatus(path) == osl::FileBase::E_None) + { + //check if this is a file + if (aResolver.m_aStatus.getFileType() == FileStatus::Regular) + { +#ifndef JVM_ONE_PATH_CHECK + ret = aResolver.m_aStatus.getFileURL(); +#else + ret = path; +#endif + } + } + return ret; +} + +rtl::Reference<VendorBase> getJREInfoByPath( + const OUString& path) +{ + rtl::Reference<VendorBase> ret; + static std::vector<OUString> vecBadPaths; + + static std::map<OUString, rtl::Reference<VendorBase> > mapJREs; + OUString sFilePath; + std::vector<std::pair<OUString, OUString> > props; + + OUString sResolvedDir = resolveDirPath(path); + // If this path is invalid then there is no chance to find a JRE here + if (sResolvedDir.isEmpty()) + { + return nullptr; + } + + //check if the directory path is good, that is a JRE was already recognized. + //Then we need not detect it again + //For example, a sun JDK contains <jdk>/bin/java and <jdk>/jre/bin/java. + //When <jdk>/bin/java has been found then we need not find <jdk>/jre/bin/java. + //Otherwise we would execute java two times for every JDK found. + auto entry2 = find_if(mapJREs.cbegin(), mapJREs.cend(), + SameOrSubDirJREMap(sResolvedDir)); + if (entry2 != mapJREs.end()) + { + JFW_TRACE2("JRE found again (detected before): " << sResolvedDir); + return entry2->second; + } + + for ( sal_Int32 pos = 0; + gVendorMap[pos].sVendorName != nullptr; ++pos ) + { + std::vector<OUString> vecPaths; + getJavaExePaths_func pFunc = gVendorMap[pos].getJavaFunc; + + int size = 0; + char const* const* arExePaths = (*pFunc)(&size); + vecPaths = getVectorFromCharArray(arExePaths, size); + + bool bBreak = false; + for (auto const& looppath : vecPaths) + { + //if the path is a link, then resolve it + //check if the executable exists at all + + //path can be only "file:///". Then do not append a '/' + //sizeof counts the terminating 0 + OUString sFullPath; + if (path.getLength() == sizeof("file:///") - 1) + sFullPath = sResolvedDir + looppath; + else + sFullPath = sResolvedDir + "/" + looppath; + + sFilePath = resolveFilePath(sFullPath); + + if (sFilePath.isEmpty()) + { + //The file path (to java exe) is not valid + auto ifull = find(vecBadPaths.cbegin(), vecBadPaths.cend(), sFullPath); + if (ifull == vecBadPaths.cend()) + { + vecBadPaths.push_back(sFullPath); + } + continue; + } + + auto ifile = find(vecBadPaths.cbegin(), vecBadPaths.cend(), sFilePath); + if (ifile != vecBadPaths.cend()) + { + continue; + } + + auto entry = mapJREs.find(sFilePath); + if (entry != mapJREs.end()) + { + JFW_TRACE2("JRE found again (detected before): " << sFilePath); + + return entry->second; + } + + bool bProcessRun= false; + if (!getJavaProps(sFilePath, +#ifdef JVM_ONE_PATH_CHECK + sResolvedDir, +#endif + props, & bProcessRun)) + { + //The java executable could not be run or the system properties + //could not be retrieved. We can assume that this java is corrupt. + vecBadPaths.push_back(sFilePath); + //If there was a java executable, that could be run but we did not get + //the system properties, then we also assume that the whole Java installation + //does not work. In a jdk there are two executables. One in jdk/bin and the other + //in jdk/jre/bin. We do not search any further, because we assume that if one java + //does not work then the other does not work as well. This saves us to run java + //again which is quite costly. + if (bProcessRun) + { + // 1.3.1 special treatment: jdk/bin/java and /jdk/jre/bin/java are links to + //a script, named .java_wrapper. The script starts jdk/bin/sparc/native_threads/java + //or jdk/jre/bin/sparc/native_threads/java. The script uses the name with which it was + //invoked to build the path to the executable. It we start the script directly as .java_wrapper + //then it tries to start a jdk/.../native_threads/.java_wrapper. Therefore the link, which + //is named java, must be used to start the script. + getJavaProps(sFullPath, +#ifdef JVM_ONE_PATH_CHECK + sResolvedDir, +#endif + props, & bProcessRun); + // Either we found a working 1.3.1 + // Or the java is broken. In both cases we stop searching under this "root" directory + bBreak = true; + break; + } + //sFilePath is no working java executable. We continue with another possible + //path. + else + { + continue; + } + } + //sFilePath is a java and we could get the system properties. We proceed with this + //java. + else + { + bBreak = true; + break; + } + } + if (bBreak) + break; + } + + if (props.empty()) + { + return rtl::Reference<VendorBase>(); + } + + //find java.vendor property + OUString sVendorName; + + for (auto const& prop : props) + { + if (prop.first == "java.vendor") + { + sVendorName = prop.second; + break; + } + } + + auto knownVendor = false; + if (!sVendorName.isEmpty()) + { + //find the creator func for the respective vendor name + for ( sal_Int32 c = 0; + gVendorMap[c].sVendorName != nullptr; ++c ) + { + OUString sNameMap(gVendorMap[c].sVendorName, strlen(gVendorMap[c].sVendorName), + RTL_TEXTENCODING_ASCII_US); + if (sNameMap == sVendorName) + { + ret = createInstance(gVendorMap[c].createFunc, props); + knownVendor = true; + break; + } + } + } + // For unknown vendors, try SunInfo as fallback: + if (!knownVendor) + { + ret = createInstance(SunInfo::createInstance, props); + } + if (!ret.is()) + { + vecBadPaths.push_back(sFilePath); + } + else + { + JFW_TRACE2("Found JRE: " << sResolvedDir << " at: " << path); + + mapJREs.emplace(sResolvedDir, ret); + mapJREs.emplace(sFilePath, ret); + } + + return ret; +} + +Reference<VendorBase> createInstance(createInstance_func pFunc, + const std::vector<std::pair<OUString, OUString> >& properties) +{ + + Reference<VendorBase> aBase = (*pFunc)(); + if (aBase.is()) + { + if (!aBase->initialize(properties)) + aBase = nullptr; + } + return aBase; +} + +inline OUString getDirFromFile(std::u16string_view usFilePath) +{ + size_t index = usFilePath.rfind('/'); + return OUString(usFilePath.substr(0, index)); +} + +void addJavaInfosFromPath( + std::vector<rtl::Reference<VendorBase>> & allInfos, + std::vector<rtl::Reference<VendorBase>> & addedInfos) +{ +#if !defined JVM_ONE_PATH_CHECK +// Get Java from PATH environment variable + char *szPath= getenv("PATH"); + if(!szPath) + return; + + OUString usAllPath(szPath, strlen(szPath), osl_getThreadTextEncoding()); + sal_Int32 nIndex = 0; + do + { + OUString usToken( usAllPath.getToken( 0, SAL_PATHSEPARATOR, nIndex ) ); + OUString usTokenUrl; + if(File::getFileURLFromSystemPath(usToken, usTokenUrl) == File::E_None) + { + if(!usTokenUrl.isEmpty()) + { + OUString usBin; + if(usTokenUrl == ".") + { + OUString usWorkDirUrl; + if(osl_Process_E_None == osl_getProcessWorkingDir(&usWorkDirUrl.pData)) + usBin= usWorkDirUrl; + } + else if(usTokenUrl == "..") + { + OUString usWorkDir; + if(osl_Process_E_None == osl_getProcessWorkingDir(&usWorkDir.pData)) + usBin= getDirFromFile(usWorkDir); + } + else + { + usBin = usTokenUrl; + } + if(!usBin.isEmpty()) + { + addJREInfoFromBinPath(usBin, allInfos, addedInfos); + } + } + } + } + while ( nIndex >= 0 ); +#endif +} + + +void addJavaInfoFromJavaHome( + std::vector<rtl::Reference<VendorBase>> & allInfos, + std::vector<rtl::Reference<VendorBase>> & addedInfos) +{ +#if !defined JVM_ONE_PATH_CHECK + // Get Java from JAVA_HOME environment + + // Note that on macOS is it not normal at all to have a JAVA_HOME environment + // variable. We set it in our build environment for build-time programs, though, + // so it is set when running unit tests that involve Java functionality. (Which affects + // at least CppunitTest_dbaccess_dialog_save, too, and not only the JunitTest ones.) + char *szJavaHome= getenv("JAVA_HOME"); + if(szJavaHome) + { + OUString sHome(szJavaHome, strlen(szJavaHome), osl_getThreadTextEncoding()); + OUString sHomeUrl; + if(File::getFileURLFromSystemPath(sHome, sHomeUrl) == File::E_None) + { + getAndAddJREInfoByPath(sHomeUrl, allInfos, addedInfos); + } + } +#endif +} + +bool makeDriveLetterSame(OUString * fileURL) +{ + bool ret = false; + DirectoryItem item; + if (DirectoryItem::get(*fileURL, item) == File::E_None) + { + FileStatus status(osl_FileStatus_Mask_FileURL); + if (item.getFileStatus(status) == File::E_None) + { + *fileURL = status.getFileURL(); + ret = true; + } + } + return ret; +} + +#ifdef UNX +#ifdef __sun + +void addJavaInfosDirScan( + std::vector<rtl::Reference<VendorBase>> & allInfos, + std::vector<rtl::Reference<VendorBase>> & addedInfos) +{ + JFW_TRACE2("Checking /usr/jdk/latest"); + getAndAddJREInfoByPath("file:////usr/jdk/latest", allInfos, addedInfos); +} + +#else +void addJavaInfosDirScan( + std::vector<rtl::Reference<VendorBase>> & allInfos, + std::vector<rtl::Reference<VendorBase>> & addedInfos) +{ +#ifdef MACOSX + // Ignore all but Oracle's JDK as loading Apple's Java and Oracle's JRE + // will cause macOS's JavaVM framework to display a dialog and invoke + // exit() when loaded via JNI on macOS 10.10 + Directory aDir("file:///Library/Java/JavaVirtualMachines"); + if (aDir.open() == File::E_None) + { + DirectoryItem aItem; + while (aDir.getNextItem(aItem) == File::E_None) + { + FileStatus aStatus(osl_FileStatus_Mask_FileURL); + if (aItem.getFileStatus(aStatus) == File::E_None) + { + OUString aItemURL( aStatus.getFileURL() ); + if (aItemURL.getLength()) + { + aItemURL += "/Contents/Home"; + if (DirectoryItem::get(aItemURL, aItem) == File::E_None) + getAndAddJREInfoByPath(aItemURL, allInfos, addedInfos); + } + } + } + aDir.close(); + } +#else // MACOSX + OUString excMessage = "[Java framework] sunjavaplugin: " + "Error in function addJavaInfosDirScan in util.cxx."; + int cJavaNames= SAL_N_ELEMENTS(g_arJavaNames); + std::unique_ptr<OUString[]> sarJavaNames(new OUString[cJavaNames]); + OUString *arNames = sarJavaNames.get(); + for(int i= 0; i < cJavaNames; i++) + arNames[i] = OUString(g_arJavaNames[i], strlen(g_arJavaNames[i]), + RTL_TEXTENCODING_UTF8); + + int cSearchPaths= SAL_N_ELEMENTS(g_arSearchPaths); + std::unique_ptr<OUString[]> sarPathNames(new OUString[cSearchPaths]); + OUString *arPaths = sarPathNames.get(); + for(int c = 0; c < cSearchPaths; c++) + arPaths[c] = OUString(g_arSearchPaths[c], strlen(g_arSearchPaths[c]), + RTL_TEXTENCODING_UTF8); + + int cCollectDirs = SAL_N_ELEMENTS(g_arCollectDirs); + std::unique_ptr<OUString[]> sarCollectDirs(new OUString[cCollectDirs]); + OUString *arCollectDirs = sarCollectDirs.get(); + for(int d = 0; d < cCollectDirs; d++) + arCollectDirs[d] = OUString(g_arCollectDirs[d], strlen(g_arCollectDirs[d]), + RTL_TEXTENCODING_UTF8); + + + for( int ii = 0; ii < cSearchPaths; ii ++) + { + OUString usDir1("file:///" + arPaths[ii]); + DirectoryItem item; + if(DirectoryItem::get(usDir1, item) == File::E_None) + { + for(int j= 0; j < cCollectDirs; j++) + { + OUString usDir2(usDir1 + arCollectDirs[j]); + // prevent that we scan the whole /usr, /usr/lib, etc directories + if (!arCollectDirs[j].isEmpty()) + { + //usr/java/xxx + //Examining every subdirectory + Directory aCollectionDir(usDir2); + + Directory::RC openErr = aCollectionDir.open(); + switch (openErr) + { + case File::E_None: + break; + case File::E_NOENT: + case File::E_NOTDIR: + continue; + case File::E_ACCES: + JFW_TRACE2("Could not read directory " << usDir2 << " because of missing access rights"); + continue; + default: + JFW_TRACE2("Could not read directory " << usDir2 << ". Osl file error: " << openErr); + continue; + } + + DirectoryItem curIt; + File::RC errNext = File::E_None; + while( (errNext = aCollectionDir.getNextItem(curIt)) == File::E_None) + { + FileStatus aStatus(osl_FileStatus_Mask_FileURL); + File::RC errStatus = File::E_None; + if ((errStatus = curIt.getFileStatus(aStatus)) != File::E_None) + { + JFW_TRACE2(excMessage + "getFileStatus failed with error " << errStatus); + continue; + } + JFW_TRACE2("Checking if directory: " << aStatus.getFileURL() << " is a Java"); + + getAndAddJREInfoByPath( + aStatus.getFileURL(), allInfos, addedInfos); + } + + JFW_ENSURE(errNext == File::E_None || errNext == File::E_NOENT, + "[Java framework] sunjavaplugin: " + "Error while iterating over contents of " + + usDir2 + ". Osl file error: " + + OUString::number(openErr)); + } + else + { + //usr/java + //When we look directly into a dir like /usr, /usr/lib, etc. then we only + //look for certain java directories, such as jre, jdk, etc. We do not want + //to examine the whole directory because of performance reasons. + DirectoryItem item2; + if(DirectoryItem::get(usDir2, item2) == File::E_None) + { + for( int k= 0; k < cJavaNames; k++) + { + // /usr/java/j2re1.4.0 + OUString usDir3(usDir2 + arNames[k]); + + DirectoryItem item3; + if(DirectoryItem::get(usDir3, item3) == File::E_None) + { + //remove trailing '/' + sal_Int32 islash = usDir3.lastIndexOf('/'); + if (islash == usDir3.getLength() - 1 + && (islash + > RTL_CONSTASCII_LENGTH("file://"))) + usDir3 = usDir3.copy(0, islash); + getAndAddJREInfoByPath( + usDir3, allInfos, addedInfos); + } + } + } + } + } + } + } +#endif // MACOSX +} +#endif // ifdef __sun +#endif // ifdef UNX +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |