kpty/kptyprocess.cpp

   1 /*
   2     This file is part of the KDE libraries
   3
   4     Copyright (C) 2007 Oswald Buddenhagen <ossi@kde.org>
   5
   6     This library is free software; you can redistribute it and/or
   7     modify it under the terms of the GNU Library General Public
   8     License as published by the Free Software Foundation; either
   9     version 2 of the License, or (at your option) any later version.
  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
  23 #include "kptyprocess.h"
  24 #include "kprocess_p.h"
  25
  26 #include <kuser.h>
  27 #include <kptydevice.h>
  28
  29 #include <stdlib.h>
  30 #include <unistd.h>
  31
  32 //////////////////
  33 // private data //
  34 //////////////////
  35
  36 struct KPtyProcessPrivate : KProcessPrivate {
  37     KPtyProcessPrivate() :
  38         ptyChannels(KPtyProcess::NoChannels),
  39         addUtmp(false)
  40     {
  41     }
  42
  43     KPtyDevice *pty;
  44     KPtyProcess::PtyChannels ptyChannels;
  45     bool addUtmp : 1;
  46 };
  47
  48 KPtyProcess::KPtyProcess(QObject *parent) :
  49     KProcess(new KPtyProcessPrivate, parent)
  50 {
  51     Q_D(KPtyProcess);
  52
  53     d->pty = new KPtyDevice(this);
  54     d->pty->open();
  55 }
  56
  57 KPtyProcess::KPtyProcess(int ptyMasterFd, QObject *parent) :
  58     KProcess(new KPtyProcessPrivate, parent)
  59 {
  60     Q_D(KPtyProcess);
  61
  62     d->pty = new KPtyDevice(this);
  63     d->pty->open(ptyMasterFd);
  64 }
  65
  66 KPtyProcess::~KPtyProcess()
  67 {
  68     Q_D(KPtyProcess);
  69
  70     delete d->pty;
  71 }
  72
  73 void KPtyProcess::setPtyChannels(PtyChannels channels)
  74 {
  75     Q_D(KPtyProcess);
  76
  77     d->ptyChannels = channels;
  78 }
  79
  80 KPtyProcess::PtyChannels KPtyProcess::ptyChannels() const
  81 {
  82     Q_D(const KPtyProcess);
  83
  84     return d->ptyChannels;
  85 }
  86
  87 void KPtyProcess::setUseUtmp(bool value)
  88 {
  89     Q_D(KPtyProcess);
  90
  91     d->addUtmp = value;
  92 }
  93
  94 bool KPtyProcess::isUseUtmp() const
  95 {
  96     Q_D(const KPtyProcess);
  97
  98     return d->addUtmp;
  99 }
 100
 101 KPtyDevice *KPtyProcess::pty() const
 102 {
 103     Q_D(const KPtyProcess);
 104
 105     return d->pty;
 106 }
 107
 108 void KPtyProcess::setupChildProcess()
 109 {
 110     Q_D(KPtyProcess);
 111
 112     d->pty->setCTty();
 113     if (d->addUtmp)
 114         d->pty->login(KUser(KUser::UseRealUserID).loginName().toLocal8Bit().data(), qgetenv("DISPLAY"));
 115     if (d->ptyChannels & StdinChannel)
 116         dup2(d->pty->slaveFd(), 0);
 117     if (d->ptyChannels & StdoutChannel)
 118         dup2(d->pty->slaveFd(), 1);
 119     if (d->ptyChannels & StderrChannel)
 120         dup2(d->pty->slaveFd(), 2);
 121
 122     KProcess::setupChildProcess();
 123 }
 124
 125 #include "kptyprocess.moc"