kinit/kioslave.cpp

   1 /*
   2  * This file is part of the KDE libraries
   3  * Copyright (c) 1999-2000 Waldo Bastian <bastian@kde.org>
   4  *           (c) 1999 Mario Weilguni <mweilguni@sime.com>
   5  *           (c) 2001 Lubos Lunak <l.lunak@kde.org>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License version 2 as published by the Free Software Foundation.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22 #include <kdebug.h>
  23 #include <config.h>
  24
  25 #include <stdlib.h>
  26 #include <stdio.h>
  27 #include <errno.h>
  28 #include <locale.h>
  29
  30 #include <QtCore/QString>
  31 #include <QtCore/QLibrary>
  32 #include <QtCore/QFile>
  33 #ifdef Q_WS_WIN
  34 #include <QtCore/QDir>
  35 #include <QtCore/QProcess>
  36 #include <QtCore/QStringList>
  37 #include <windows.h>
  38 #include <process.h>
  39 #include "kstandarddirs.h"
  40 #endif
  41
  42 #ifndef Q_WS_WIN
  43 /* These are to link libkio even if 'smart' linker is used */
  44 #include <kio/authinfo.h>
  45 extern "C" KIO::AuthInfo* _kioslave_init_kio() { return new KIO::AuthInfo(); }
  46 #endif
  47
  48 int main(int argc, char **argv)
  49 {
  50      if (argc < 5)
  51      {
  52         fprintf(stderr, "Usage: kioslave <slave-lib> <protocol> <klauncher-socket> <app-socket>\n\nThis program is part of KDE.\n");
  53         exit(1);
  54      }
  55      setlocale(LC_ALL, "");
  56      QString libpath = QFile::decodeName(argv[1]);
  57
  58      if (libpath.isEmpty())
  59      {
  60         fprintf(stderr, "library path is empty.\n");
  61         exit(1);
  62      }
  63
  64      QLibrary lib(libpath);
  65 #ifdef Q_WS_WIN
  66      qDebug("trying to load '%s'", qPrintable(libpath));
  67 #endif
  68      if ( !lib.load() || !lib.isLoaded() )
  69      {
  70 #ifdef Q_WS_WIN
  71         libpath = KStandardDirs::installPath("module") + QFileInfo(libpath).fileName();
  72         lib.setFileName( libpath );
  73         if(!lib.load() || !lib.isLoaded())
  74         {
  75             QByteArray kdedirs = qgetenv("KDEDIRS");
  76             if (!kdedirs.size()) {
  77               qDebug("not able to find '%s' because KDEDIRS environment variable is not set.\n"
  78                      "Set KDEDIRS to the KDE installation root dir and restart klauncher to fix this problem.",
  79                      qPrintable(libpath));
  80               exit(1);
  81             }
  82             QString paths = QString::fromLocal8Bit(kdedirs);
  83             QStringList pathlist = paths.split(';');
  84             Q_FOREACH(const QString &path, pathlist) {
  85               QString slave_path = path + QLatin1String("/lib/kde4/") + QFileInfo(libpath).fileName();
  86               qDebug("trying to load '%s'",slave_path.toAscii().data());
  87               lib.setFileName(slave_path);
  88               if (lib.load() && lib.isLoaded() )
  89                 break;
  90             }
  91             if (!lib.isLoaded())
  92             {
  93               qWarning("could not open %s: %s", libpath.data(), qPrintable (lib.errorString()) );
  94               exit(1);
  95             }
  96         }
  97 #else
  98         fprintf(stderr, "could not open %s: %s", qPrintable(libpath),
  99                 qPrintable (lib.errorString()) );
 100         exit(1);
 101 #endif
 102      }
 103
 104      void* sym = lib.resolve("kdemain");
 105      if (!sym )
 106      {
 107         sym = lib.resolve("main");
 108         if (!sym )
 109         {
 110            fprintf(stderr, "Could not find main: %s\n", qPrintable(lib.errorString() ));
 111            exit(1);
 112         }
 113      }
 114
 115 #ifdef Q_WS_WIN
 116      // enter debugger in case debugging is actived
 117      QString slaveDebugWait( QString::fromLocal8Bit( qgetenv("KDE_SLAVE_DEBUG_WAIT") ) );
 118      if (slaveDebugWait == QLatin1String("all") || slaveDebugWait == argv[2])
 119      {
 120 # ifdef Q_CC_MSVC
 121         // msvc debugger or windbg supports jit debugging, the latter requires setting up windbg jit with windbg -i
 122         DebugBreak();
 123 # else
 124         // gdb does not support win32 jit debug support, so implement it by ourself
 125         WCHAR buf[1024];
 126         GetModuleFileName(NULL,buf, 1024);
 127         QStringList params;
 128         params << QString::fromUtf16((const unsigned short*)buf);
 129         params << QString::number(GetCurrentProcessId());
 130         QProcess::startDetached("gdb",params);
 131         Sleep(1000);
 132 # endif
 133      }
 134 # ifdef Q_CC_MSVC
 135      else {
 136         QString slaveDebugPopup( QString::fromLocal8Bit( qgetenv("KDE_SLAVE_DEBUG_POPUP") ) );
 137         if (slaveDebugPopup == QLatin1String("all") || slaveDebugPopup == argv[2]) {
 138            // A workaround for OSes where DebugBreak() does not work in administrative mode (actually Vista with msvc 2k5)
 139            // - display a native message box so developer can attach the debugger to the KIO slave process and click OK.
 140            MessageBoxA(NULL,
 141              QString("Please attach the debugger to process #%1 (%2)").arg(getpid()).arg(argv[0]).toLatin1(),
 142              QString("\"%1\" KIO Slave Debugging").arg(argv[2]).toLatin1(), MB_OK|MB_ICONINFORMATION|MB_TASKMODAL);
 143         }
 144      }
 145 # endif
 146 #endif // Q_WS_WIN
 147
 148      int (*func)(int, char *[]) = (int (*)(int, char *[])) sym;
 149
 150      exit( func(argc-1, argv+1)); /* Launch! */
 151 }