kshowmail: kshowmail/commandentry.cpp Source File

00001 /***************************************************************************
00002                           commandentry.cpp  -  description
00003                              -------------------
00004     begin                : Thu Jul 20 2000
00005     copyright            : (C) 2000-2001 by Eggert Ehmke
00006     email                : eggert.ehmke@berlin.de
00007  ***************************************************************************/
00008 
00009 /***************************************************************************
00010  *                                                                         *
00011  *   This program is free software; you can redistribute it and/or modify  *
00012  *   it under the terms of the GNU General Public License as published by  *
00013  *   the Free Software Foundation; either version 2 of the License, or     *
00014  *   (at your option) any later version.                                   *
00015  *                                                                         *
00016  ***************************************************************************/
00017 #include <stdlib.h>
00018 #include <stdio.h>
00019 #include <unistd.h>
00020 
00021 #include <kapplication.h>
00022 #include <kaction.h>
00023 #include <kdebug.h>
00024 #include <qmessagebox.h>
00025 
00026 #include "commandentry.h"
00027 #include "editdialog.h"
00028 
00029 CommandEntry& CommandEntry::operator = (const CommandEntry& entry)
00030 {
00031        m_id = entry.m_id;
00032        m_name = entry.m_name;
00033        m_path = entry.m_path;
00034   m_waitForCommand = entry.m_waitForCommand;
00035   return *this;
00036 }
00037 
00038 bool CommandEntry::exec (ConfigElem* pelem, const char* header, const char* body)
00039 {
00040        kdDebug () << "CommandEntry::exec ();" << endl;
00041        return exec (m_path, pelem, header, body);
00042 }
00043 
00044 bool CommandEntry::exec (const QString& path, ConfigElem* pelem, const char* header, const char* body)
00045 {
00046        kdDebug () << "CommandEntry::exec (" << path << ");" << endl;
00047        QString cmd = path;
00048        int pos;
00049        if (pelem)
00050        {
00051               if ((pos = cmd.find ("<user>")) >= 0)
00052                      cmd.replace (pos, strlen ("<user>"), pelem->getUser() );
00053               if ((pos = cmd.find ("<server>")) >= 0)
00054                      cmd.replace (pos, strlen ("<server>"), pelem->getHost());
00055               if ((pos = cmd.find ("<passwd>")) >= 0)
00056                      cmd.replace (pos, strlen ("<passwd>"), pelem->getPassword());
00057        }
00058   else
00059   {
00060               if ((pos = cmd.find ("<user>")) >= 0)
00061                      cmd.remove (pos, strlen ("<user>"));
00062               if ((pos = cmd.find ("<server>")) >= 0)
00063                      cmd.remove (pos, strlen ("<server>"));
00064               if ((pos = cmd.find ("<passwd>")) >= 0)
00065                      cmd.remove (pos, strlen ("<passwd>"));
00066   }
00067        if (header && (pos = cmd.find ("<header>")) >= 0)
00068        {
00069               FILE* tmp = fopen ("/tmp/spamheader", "w");
00070               fputs (header, tmp);
00071               fclose (tmp);
00072               cmd.replace (pos, strlen ("<header>"), "/tmp/spamheader");
00073        }
00074        if (body && (pos = cmd.find ("<body>")) >= 0)
00075        {
00076               FILE* tmp = fopen ("/tmp/spambody", "w");
00077               fputs (body, tmp);
00078               fclose (tmp);
00079               cmd.replace (pos, strlen ("<body>"), "/tmp/spambody");
00080        }
00081   int result = 0;
00082   if (m_waitForCommand) {
00083     //execute the command and wait for it to return
00084     FILE* output = popen (cmd, "r");
00085        char buffer [81];
00086        QString str;
00087        while (fgets (buffer, 80, output))
00088        {
00089               str += buffer;
00090        }
00091               KApplication::setOverrideCursor (Qt::arrowCursor);
00092        result = pclose (output);
00093        if (!str.isEmpty ())
00094        {
00095               EditDialog dlg (NULL, cmd, str, false);
00096               dlg.exec ();
00097        }
00098        kdDebug () << cmd << " returned " << result << endl;
00099   }
00100   else
00101   {
00102     //execute the command and don't wait for it to return
00103     int pid;
00104     if ((pid = fork()) == 0)
00105     {
00106       // child processing; don't do any gui stuff here !
00107       system (cmd);
00108       // we must terminate the child process
00109       exit (0);
00110       // the bad thing is, we never know if the command failed. We would need some pipe.
00111     }
00112     else if (pid == -1)
00113     {
00114       EditDialog dlg (NULL, cmd, "The command failed to execute", false);
00115       dlg.exec ();
00116     }
00117   }
00118   KApplication::restoreOverrideCursor ();
00119   return (result == 0);
00120 }
00121