Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 1535 insertions, 0 deletions

diff --git a/kppp/connect.cpp b/kppp/connect.cpp
new file mode 100644
index 00000000..1203f4ba
--- /dev/null
+++ b/kppp/connect.cpp
@@ -0,0 +1,1535 @@
+/*
+ *            kPPP: A pppd front end for the KDE project
+ *
+ *
+ *            Copyright (C) 1997 Bernd Johannes Wuebben
+ *                   wuebben@math.cornell.edu
+ *            Copyright (C) 1998-2001 Harri Porten <porten@kde.org>
+ *
+ * based on EzPPP:
+ * Copyright (C) 1997  Jay Painter
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this program; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#include <config.h>
+
+#include <qlayout.h>
+#include <qregexp.h>
+
+#include <kapplication.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kpushbutton.h>
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/ioctl.h>
+#include <assert.h>
+
+#ifdef _XPG4_2
+#define __xnet_connect	connect
+#endif
+
+#include <errno.h>
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#ifdef __linux__
+#include "runtests.h"
+#endif
+
+#include "auth.h"
+#include "connect.h"
+#include "docking.h"
+#include "main.h"
+#include "modem.h"
+#include "kpppconfig.h"
+#include "pppdata.h"
+#include "pppstats.h"
+#include "requester.h"
+#include "utils.h"
+
+extern KPPPWidget *p_kppp;
+
+QString old_hostname;
+bool modified_hostname;
+
+
+ConnectWidget::ConnectWidget(QWidget *parent, const char *name, PPPStats *st)
+  : QWidget(parent, name),
+    // initialize some important variables
+    myreadbuffer(""),
+    main_timer_ID(0),
+    vmain(0),
+    substate(-1),
+    scriptindex(0),
+    loopnest(0),
+    loopend(false),
+    semaphore(false),
+    expecting(false),
+    readbuffer(""),
+    scanvar(""),
+    scanning(false),
+    pausing(false),
+    termwindow(0),
+    dialnumber(0),
+    stats(st)
+{
+  modified_hostname = false;
+
+  QVBoxLayout *tl = new QVBoxLayout(this, 8, 10);
+  QString tit = i18n("Connecting to: ");
+  setCaption(tit);
+
+  QHBoxLayout *l0 = new QHBoxLayout(10);
+  tl->addLayout(l0);
+  l0->addSpacing(10);
+  messg = new QLabel(this, "messg");
+  messg->setFrameStyle(QFrame::Panel|QFrame::Sunken);
+  messg->setAlignment(AlignCenter);
+  messg->setText(i18n("Unable to create modem lock file."));
+  messg->setMinimumHeight(messg->sizeHint().height() + 5);
+  int messw = (messg->sizeHint().width() * 12) / 10;
+  messw = QMAX(messw,280);
+  messg->setMinimumWidth(messw);
+  messg->setText(i18n("Looking for modem..."));
+  l0->addWidget(messg);
+  l0->addSpacing(10);
+
+  QHBoxLayout *l1 = new QHBoxLayout(10);
+  tl->addLayout(l1);
+  l1->addStretch(1);
+
+  debug = new QPushButton(i18n("&Log"), this);
+  debug->setToggleButton(true);
+  connect(debug, SIGNAL(clicked()), SIGNAL(toggleDebugWindow()));
+
+  cancel = new KPushButton(KStdGuiItem::cancel(), this);
+  cancel->setFocus();
+  connect(cancel, SIGNAL(clicked()), SLOT(cancelbutton()));
+
+  int maxw = QMAX(cancel->sizeHint().width(),
+		 debug->sizeHint().width());
+  maxw = QMAX(maxw,65);
+  debug->setFixedWidth(maxw);
+  cancel->setFixedWidth(maxw);
+  l1->addWidget(debug);
+  l1->addWidget(cancel);
+  l1->addSpacing(10);
+
+  setFixedSize(sizeHint());
+
+  pausetimer = new QTimer(this);
+  connect(pausetimer, SIGNAL(timeout()), SLOT(pause()));
+
+  kapp->processEvents();
+
+  timeout_timer = new QTimer(this);
+  connect(timeout_timer, SIGNAL(timeout()), SLOT(script_timed_out()));
+
+  inittimer = new QTimer(this);
+  connect(inittimer, SIGNAL(timeout()), SLOT(init()));
+
+  if_timeout_timer = new QTimer(this);
+  connect(if_timeout_timer, SIGNAL(timeout()), SLOT(if_waiting_timed_out()));
+
+  connect(this,SIGNAL(if_waiting_signal()),this,SLOT(if_waiting_slot()));
+
+  prompt = new PWEntry( this, "pw" );
+  if_timer = new QTimer(this);
+  connect(if_timer,SIGNAL(timeout()), SLOT(if_waiting_slot()));
+}
+
+
+ConnectWidget::~ConnectWidget() {
+}
+
+
+void ConnectWidget::disableButtons()
+{
+  debug->setEnabled(false);
+  cancel->setEnabled(false);
+}
+
+void ConnectWidget::enableButtons()
+{
+  debug->setEnabled(true);
+  cancel->setEnabled(true);
+}
+
+void ConnectWidget::preinit() {
+  // this is all just to keep the GUI nice and snappy ....
+  // you have to see to believe ...
+  messg->setText(i18n("Looking for modem..."));
+  inittimer->start(100);
+}
+
+void ConnectWidget::init() {
+  gpppdata.setpppdError(0);
+  inittimer->stop();
+  vmain = 0;
+  substate = -1;
+  expecting = false;
+  pausing = false;
+  scriptindex = 0;
+  myreadbuffer = "";
+  scanning = false;
+  scanvar = "";
+  firstrunID = true;
+  firstrunPW = true;
+  stats->totalbytes = 0;
+  dialnumber = 0;
+
+  p_kppp->con_speed = "";
+
+  p_kppp->setQuitOnDisconnect (p_kppp->quitOnDisconnect() || gpppdata.quit_on_disconnect());
+
+  comlist = &gpppdata.scriptType();
+  arglist = &gpppdata.script();
+
+  QString tit = i18n("Connecting to: %1").arg(gpppdata.accname());
+  setCaption(tit);
+
+  kapp->processEvents();
+
+  // signal other applications that we are about to get connected
+  kapp->dcopClient()->emitDCOPSignal("KpppIface", "aboutToConnect()", QByteArray());
+
+  // run the "before-connect" command
+  if (!gpppdata.command_before_connect().isEmpty()) {
+    messg->setText(i18n("Running pre-startup command..."));
+    emit debugMessage(i18n("Running pre-startup command..."));
+
+    kapp->processEvents();
+    QApplication::flushX();
+    pid_t id = execute_command(gpppdata.command_before_connect());
+    int i, status;
+
+    do {
+      kapp->processEvents();
+      i = waitpid(id, &status, WNOHANG);
+      usleep(100000);
+    } while (i == 0 && errno == 0);
+  }
+
+  int lock = Modem::modem->lockdevice();
+
+  if (lock == 1) {
+    messg->setText(i18n("Modem device is locked."));
+    vmain = 20; // wait until cancel is pressed
+    return;
+  }
+
+  if (lock == -1) {
+    messg->setText(i18n("Unable to create modem lock file."));
+    vmain = 20; // wait until cancel is pressed
+    return;
+  }
+
+  if(Modem::modem->opentty()) {
+    messg->setText(Modem::modem->modemMessage());
+    kapp->processEvents();
+    if(Modem::modem->hangup()) {
+
+      kapp->processEvents();
+
+      semaphore = false;
+
+      Modem::modem->stop();
+      Modem::modem->notify(this, SLOT(readChar(unsigned char)));
+
+      // if we are stuck anywhere we will time out
+      timeout_timer->start(gpppdata.modemTimeout()*1000);
+
+      // this timer will run the script etc.
+      main_timer_ID = startTimer(10);
+
+      return;
+    }
+  }
+
+  // initialization failed
+  messg->setText(Modem::modem->modemMessage());
+  vmain = 20; // wait until cancel is pressed
+  Modem::modem->unlockdevice();
+}
+
+
+void ConnectWidget::timerEvent(QTimerEvent *) {
+  if (semaphore || pausing)
+    return;
+
+  if(vmain == 0) {
+#ifdef DEBUG_WO_DIALING
+    vmain = 10;
+    return;
+#endif
+
+    assert(PPPData::NumInitStrings > 0);
+    // first init string ?
+    if(substate == -1) {
+      messg->setText(i18n("Initializing modem..."));
+      emit debugMessage(i18n("Initializing modem..."));
+      substate = 0;
+    }
+
+    QString initStr = gpppdata.modemInitStr(substate);
+    if (!initStr.isEmpty()) {
+	// send a carriage return and then wait a bit so that the modem will
+	// let us issue commands.
+	if(gpppdata.modemPreInitDelay() > 0) {
+	    usleep(gpppdata.modemPreInitDelay() * 5000);
+	    writeline("");
+	    usleep(gpppdata.modemPreInitDelay() * 5000);
+	}
+	setExpect(gpppdata.modemInitResp());
+	writeline(initStr);
+	usleep(gpppdata.modemInitDelay() * 10000); // 0.01 - 3.0 sec
+    }
+
+    substate++;
+
+    /*
+     * FIXME after 3.0: Make it possible to disable ATS11 since it
+     * seems to be incompatible with some ISDN adapters (e.g. DataBox
+     * Speed Dragon). Even better would be to detect this when doing
+     * a "Modem Query"
+     */
+    if (MODEM_TONEDURATION != gpppdata.modemToneDuration())
+        vmain = 5;
+    else
+        vmain = 3;
+
+    return;
+  }
+
+  if (vmain == 5) {
+    if(!expecting) {
+        QString sToneDuration = "ATS11=" + QString::number(gpppdata.modemToneDuration());
+        QString msg = i18n("Setting ") + sToneDuration;
+        messg->setText(msg);
+	emit debugMessage(msg);
+	setExpect(gpppdata.modemInitResp());
+	writeline(sToneDuration);
+      }
+    vmain = 3;
+    return;
+  }
+
+  if(vmain == 3) {
+    if(!expecting) {
+      // done with all init strings ?
+      if(substate < PPPData::NumInitStrings) {
+	vmain = 0;
+	return;
+      }
+      substate = -1;
+      // skip setting the volume if command is empty
+      if(gpppdata.volumeInitString().isEmpty()) {
+        vmain = 4;
+        return;
+      }
+      messg->setText(i18n("Setting speaker volume..."));
+      emit debugMessage(i18n("Setting speaker volume..."));
+
+      setExpect(gpppdata.modemInitResp());
+      QString vol("AT");
+      vol += gpppdata.volumeInitString();
+      writeline(vol);
+      usleep(gpppdata.modemInitDelay() * 10000); // 0.01 - 3.0 sec
+      vmain = 4;
+      return;
+    }
+  }
+
+  if(vmain == 4) {
+    if(!expecting) {
+      if(!gpppdata.waitForDialTone() || gpppdata.waitCallback()) {
+	QString msg = i18n("Turning off dial tone waiting...");
+	messg->setText(msg);
+	emit debugMessage(msg);
+	setExpect(gpppdata.modemInitResp());
+	writeline(gpppdata.modemNoDialToneDetectionStr());
+      }
+      vmain = 1;
+      return;
+    }
+  }
+
+  // dial the number and wait to connect
+  if(vmain == 1) {
+    if(!expecting) {
+
+      timeout_timer->stop();
+      timeout_timer->start(gpppdata.modemTimeout()*1000);
+
+      if(gpppdata.waitCallback()) {
+        QString msg = i18n("Waiting for callback...");
+        messg->setText(msg);
+        emit debugMessage(msg);
+        setExpect(gpppdata.modemRingResp());
+        vmain = 102;
+        return;
+      }
+
+      QStringList &plist = gpppdata.phonenumbers();
+      QString bmarg= gpppdata.dialPrefix();
+      bmarg += *plist.at(dialnumber);
+      QString bm = i18n("Dialing %1").arg(bmarg);
+      messg->setText(bm);
+      emit debugMessage(bm);
+
+      QString pn = gpppdata.modemDialStr();
+      pn += gpppdata.dialPrefix();
+      pn += *plist.at(dialnumber);
+      if(++dialnumber >= plist.count())
+        dialnumber = 0;
+      writeline(pn);
+
+      setExpect(gpppdata.modemConnectResp());
+      vmain = 100;
+      return;
+    }
+  }
+
+  // wait for connect, but redial if BUSY or wait for user cancel
+  // if NO CARRIER or NO DIALTONE
+  if(vmain == 100) {
+    if(!expecting) {
+      myreadbuffer = gpppdata.modemConnectResp();
+      setExpect("\n");
+      vmain = 101;
+      return;
+    }
+
+    if(readbuffer.contains(gpppdata.modemBusyResp())) {
+      timeout_timer->stop();
+      timeout_timer->start(gpppdata.modemTimeout()*1000);
+
+      messg->setText(i18n("Line busy. Hanging up..."));
+      emit debugPutChar('\n');
+      Modem::modem->hangup();
+
+      if(gpppdata.busyWait() > 0) {
+	QString bm = i18n("Line busy. Waiting: %1 seconds").arg(gpppdata.busyWait());
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+	pausing = true;
+
+	pausetimer->start(gpppdata.busyWait()*1000, true);
+	timeout_timer->stop();
+      }
+
+      Modem::modem->setDataMode(false);
+      vmain = 0;
+      substate = -1;
+      gpppdata.setWaitCallback(false);
+      return;
+    }
+
+    if(readbuffer.contains(gpppdata.modemNoDialtoneResp())) {
+      timeout_timer->stop();
+
+      messg->setText(i18n("No Dial Tone"));
+      vmain = 20;
+      Modem::modem->unlockdevice();
+      gpppdata.setWaitCallback(false);
+      return;
+    }
+
+    if(readbuffer.contains(gpppdata.modemNoCarrierResp())) {
+      if (gpppdata.get_redial_on_nocarrier()) {
+        timeout_timer->stop();
+        timeout_timer->start(gpppdata.modemTimeout()*1000);
+
+        if(gpppdata.busyWait() > 0) {
+	  QString bm = i18n("No carrier. Waiting: %1 seconds").arg(gpppdata.busyWait());
+	  messg->setText(bm);
+	  emit debugMessage(bm);
+
+	  pausing = true;
+
+	  pausetimer->start(gpppdata.busyWait()*1000, true);
+	  timeout_timer->stop();
+        }
+
+        Modem::modem->setDataMode(false);
+        vmain = 0;
+        substate = -1;
+        return;
+      } else {
+        timeout_timer->stop();
+
+        messg->setText(i18n("No Carrier"));
+        vmain = 20;
+        Modem::modem->unlockdevice();
+        gpppdata.setWaitCallback(false);
+      }
+      return;
+    }
+
+    if(readbuffer.contains(gpppdata.modemDLPResp())) {
+      timeout_timer->stop();
+
+      messg->setText(i18n("Digital Line Protection Detected."));
+      vmain = 20;
+      Modem::modem->unlockdevice();
+      KMessageBox::error(this,
+                         i18n("A Digital Line Protection (DLP) error response "
+			      "has been detected.\n"
+                              "Please disconnect the phone line.\n\n"
+                              "Do NOT connect this modem to a digital phone "
+			      "line or the modem could get permanently "
+			      "damaged"));
+      gpppdata.setWaitCallback(false);
+      return;
+    }
+
+
+  }
+
+  // wait for newline after CONNECT response (so we get the speed)
+  if(vmain == 101) {
+    if(!expecting) {
+      Modem::modem->setDataMode(true); // modem will no longer respond to AT commands
+
+      emit startAccounting();
+      p_kppp->con_win->startClock();
+
+      vmain = 2;
+      scriptTimeout=gpppdata.modemTimeout()*1000;
+      return;
+    }
+  }
+
+  // send answer on callback phase
+  if(vmain == 102) {
+    if(!expecting) {
+      writeline(gpppdata.modemAnswerStr());
+      setExpect(gpppdata.modemConnectResp());
+      vmain = 100;
+      return;
+    }
+  }
+
+  // execute the script
+  if(vmain == 2) {
+    if(!expecting && !pausing && !scanning) {
+
+      timeout_timer->stop();
+      timeout_timer->start(scriptTimeout);
+
+      if((unsigned) scriptindex < comlist->count()) {
+        scriptCommand = *(comlist->at(scriptindex));
+        scriptArgument = *(arglist->at(scriptindex));
+      } else {
+        kdDebug(5002) << "End of script" << endl;
+	vmain = 10;
+        return;
+      }
+
+      if (scriptCommand == "Scan") {
+	QString bm = i18n("Scanning %1").arg(scriptArgument);
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+        setScan(scriptArgument);
+	scriptindex++;
+        return;
+      }
+
+      if (scriptCommand == "Save") {
+	QString bm = i18n("Saving %1").arg(scriptArgument);
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+	if (scriptArgument.lower() == "password") {
+	  gpppdata.setPassword(scanvar);
+	  p_kppp->setPW_Edit(scanvar);
+	  if(gpppdata.storePassword())
+	    gpppdata.setStoredPassword(scanvar);
+	  firstrunPW = true;
+	}
+
+	scriptindex++;
+        return;
+      }
+
+
+      if (scriptCommand == "Send" || scriptCommand == "SendNoEcho") {
+	QString bm = i18n("Sending %1");
+
+	// replace %USERNAME% and %PASSWORD%
+	QString arg = scriptArgument;
+	QRegExp re1("%USERNAME%");
+	QRegExp re2("%PASSWORD%");
+	arg = arg.replace(re1, gpppdata.storedUsername());
+	arg = arg.replace(re2, gpppdata.storedPassword());
+
+	if (scriptCommand == "Send")
+	  bm = bm.arg(scriptArgument);
+	else {
+	  for(uint i = 0; i < scriptArgument.length(); i++)
+	    bm = bm.arg("*");
+	}
+
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+	writeline(scriptArgument);
+	scriptindex++;
+        return;
+      }
+
+      if (scriptCommand == "Expect") {
+        QString bm = i18n("Expecting %1").arg(scriptArgument);
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+	// The incrementing of the scriptindex MUST be before the
+	// call to setExpect otherwise the expect will miss a string that is
+	// already in the buffer.
+	scriptindex++;
+	setExpect(scriptArgument);
+        return;
+      }
+
+
+      if (scriptCommand == "Pause") {
+	QString bm = i18n("Pause %1 seconds").arg(scriptArgument);
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+	pausing = true;
+
+	pausetimer->start(scriptArgument.toInt()*1000, true);
+	timeout_timer->stop();
+
+	scriptindex++;
+	return;
+      }
+
+      if (scriptCommand == "Timeout") {
+
+	timeout_timer->stop();
+
+	QString bm = i18n("Timeout %1 seconds").arg(scriptArgument);
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+	scriptTimeout=scriptArgument.toInt()*1000;
+        timeout_timer->start(scriptTimeout);
+
+	scriptindex++;
+	return;
+      }
+
+      if (scriptCommand == "Hangup") {
+	messg->setText(i18n("Hangup"));
+	emit debugMessage(i18n("Hangup"));
+
+	writeline(gpppdata.modemHangupStr());
+	setExpect(gpppdata.modemHangupResp());
+
+	scriptindex++;
+	return;
+      }
+
+      if (scriptCommand == "Answer") {
+
+	timeout_timer->stop();
+
+	messg->setText(i18n("Answer"));
+	emit debugMessage(i18n("Answer"));
+
+	setExpect(gpppdata.modemRingResp());
+	vmain = 150;
+	return;
+      }
+
+      if (scriptCommand == "ID") {
+	QString bm = i18n("ID %1").arg(scriptArgument);
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+	QString idstring = gpppdata.storedUsername();
+
+	if(!idstring.isEmpty() && firstrunID) {
+	  // the user entered an Id on the main kppp dialog
+	  writeline(idstring);
+	  firstrunID = false;
+	  scriptindex++;
+	}
+	else {
+	  // the user didn't enter and Id on the main kppp dialog
+	  // let's query for an ID
+	     /* if not around yet, then post window... */
+	     if (prompt->Consumed()) {
+	       if (!(prompt->isVisible())) {
+		 prompt->setPrompt(scriptArgument);
+		 prompt->setEchoModeNormal();
+		 prompt->show();
+	       }
+	     } else {
+	       /* if prompt withdrawn ... then, */
+	       if(!(prompt->isVisible())) {
+		 writeline(prompt->text());
+		 prompt->setConsumed();
+		 scriptindex++;
+		 return;
+	       }
+	       /* replace timeout value */
+	     }
+	}
+      }
+
+      if (scriptCommand == "Password") {
+	QString bm = i18n("Password %1").arg(scriptArgument);
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+	QString pwstring = gpppdata.password();
+
+	if(!pwstring.isEmpty() && firstrunPW) {
+	  // the user entered a password on the main kppp dialog
+	  writeline(pwstring);
+	  firstrunPW = false;
+	  scriptindex++;
+	}
+	else {
+	  // the user didn't enter a password on the main kppp dialog
+	  // let's query for a password
+	     /* if not around yet, then post window... */
+	     if (prompt->Consumed()) {
+	       if (!(prompt->isVisible())) {
+		 prompt->setPrompt(scriptArgument);
+		 prompt->setEchoModePassword();
+		 prompt->show();
+	       }
+	     } else {
+	       /* if prompt withdrawn ... then, */
+	       if(!(prompt->isVisible())) {
+		 p_kppp->setPW_Edit(prompt->text());
+		 writeline(prompt->text());
+		 prompt->setConsumed();
+		 scriptindex++;
+		 return;
+	       }
+	       /* replace timeout value */
+	     }
+	}
+      }
+
+      if (scriptCommand == "Prompt") {
+	QString bm = i18n("Prompting %1");
+
+        // if the scriptindex (aka the prompt text) includes a ## marker
+        // this marker should get substituted with the contents of our stored
+        // variable (from the subsequent scan).
+
+	QString ts = scriptArgument;
+	int vstart = ts.find( "##" );
+	if( vstart != -1 ) {
+		ts.remove( vstart, 2 );
+		ts.insert( vstart, scanvar );
+	}
+
+	bm = bm.arg(ts);
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+	/* if not around yet, then post window... */
+	if (prompt->Consumed()) {
+	   if (!(prompt->isVisible())) {
+		prompt->setPrompt( ts );
+		prompt->setEchoModeNormal();
+	        prompt->show();
+	   }
+	} else {
+	    /* if prompt withdrawn ... then, */
+	    if (!(prompt->isVisible())) {
+	    	writeline(prompt->text());
+	        prompt->setConsumed();
+	        scriptindex++;
+        	return;
+	    }
+	    /* replace timeout value */
+	}
+      }
+
+      if (scriptCommand == "PWPrompt") {
+	QString bm = i18n("PW Prompt %1").arg(scriptArgument);
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+	/* if not around yet, then post window... */
+	if (prompt->Consumed()) {
+	   if (!(prompt->isVisible())) {
+		prompt->setPrompt(scriptArgument);
+		prompt->setEchoModePassword();
+	        prompt->show();
+	   }
+	} else {
+	    /* if prompt withdrawn ... then, */
+	    if (!(prompt->isVisible())) {
+	    	writeline(prompt->text());
+	        prompt->setConsumed();
+	        scriptindex++;
+        	return;
+	    }
+	    /* replace timeout value */
+	}
+      }
+
+      if (scriptCommand == "LoopStart") {
+
+        QString bm = i18n("Loop Start %1").arg(scriptArgument);
+
+	// The incrementing of the scriptindex MUST be before the
+	// call to setExpect otherwise the expect will miss a string that is
+	// already in the buffer.
+	scriptindex++;
+
+	if ( loopnest > (MAXLOOPNEST-2) ) {
+		bm += i18n("ERROR: Nested too deep, ignored.");
+		vmain=20;
+		cancelbutton();
+	        KMessageBox::error(0, i18n("Loops nested too deeply."));
+	} else {
+        	setExpect(scriptArgument);
+		loopstartindex[loopnest] = scriptindex;
+		loopstr[loopnest] = scriptArgument;
+		loopend = false;
+		loopnest++;
+	}
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+      }
+
+      if (scriptCommand == "LoopEnd") {
+        QString bm = i18n("Loop End %1").arg(scriptArgument);
+	if ( loopnest <= 0 ) {
+		bm = i18n("LoopEnd without matching Start. Line: %1").arg(bm);
+		vmain=20;
+		cancelbutton();
+	        KMessageBox::error(0, bm);
+		return;
+	} else {
+	        // NB! The incrementing of the scriptindex MUST be before the
+	        // call to setExpect otherwise the expect will miss a string
+	        // that is already in the buffer.
+        	scriptindex++;
+        	setExpect(scriptArgument);
+		loopnest--;
+		loopend = true;
+	}
+	messg->setText(bm);
+	emit debugMessage(bm);
+
+      }
+    }
+  }
+
+  // this is a subroutine for the "Answer" script option
+
+  if(vmain == 150) {
+    if(!expecting) {
+      writeline(gpppdata.modemAnswerStr());
+      setExpect(gpppdata.modemAnswerResp());
+
+      vmain = 2;
+      scriptindex++;
+      return;
+    }
+  }
+
+  if(vmain == 30) {
+    if (termwindow->isVisible())
+      return;
+    if (termwindow->pressedContinue())
+      vmain = 10;
+    else
+      cancelbutton();
+  }
+
+  if(vmain == 10) {
+    if(!expecting) {
+
+      int result;
+
+      timeout_timer->stop();
+      if_timeout_timer->stop(); // better be sure.
+
+      // stop reading of data
+      Modem::modem->stop();
+
+      if(gpppdata.authMethod() == AUTH_TERMINAL) {
+	if (termwindow) {
+	  delete termwindow;
+	  termwindow = 0L;
+	  show();
+	} else {
+	  termwindow = new LoginTerm(0L, 0L);
+	  hide();
+	  termwindow->show();
+	  vmain = 30;
+	  return;
+	}
+      }
+
+      // Close the tty. This prevents the QTimer::singleShot() in
+      // Modem::readtty() from re-enabling the socket notifier.
+      // The port is still held open by the helper process.
+      Modem::modem->closetty();
+
+      killTimer( main_timer_ID );
+
+      if_timeout_timer->start(gpppdata.pppdTimeout()*1000);
+      kdDebug(5002) << "started if timeout timer with " << gpppdata.pppdTimeout()*1000 << endl;
+
+      // find out PPP interface and notify the stats module
+      stats->setUnit(pppInterfaceNumber());
+
+      kapp->flushX();
+      semaphore = true;
+      result = execppp();
+
+      emit debugMessage(i18n("Starting pppd..."));
+      kdDebug(5002) << "execppp() returned with return-code " << result << endl;
+
+      if(result) {
+        if(!gpppdata.autoDNS())
+          adddns();
+
+	// O.K we are done here, let's change over to the if_waiting loop
+	// where we wait for the ppp if (interface) to come up.
+
+	emit if_waiting_signal();
+      } else {
+
+	// starting pppd wasn't successful. Error messages were
+	// handled by execppp();
+	if_timeout_timer->stop();
+
+	hide();
+	messg->setText("");
+	p_kppp->quit_b->setFocus();
+	p_kppp->show();
+	kapp->processEvents();
+	Modem::modem->hangup();
+	emit stopAccounting();
+	p_kppp->con_win->stopClock();
+	Modem::modem->closetty();
+        Modem::modem->unlockdevice();
+
+      }
+
+      return;
+    }
+  }
+
+  // this is a "wait until cancel" entry
+
+  if(vmain == 20) {
+    gpppdata.setWaitCallback(false);
+  }
+}
+
+
+void ConnectWidget::set_con_speed_string() {
+  // Here we are trying to determine the speed at which we are connected.
+  // Usually the modem responds after connect with something like
+  // CONNECT 115200, so all we need to do is find the number after CONNECT
+  // or whatever the modemConnectResp() is.
+  p_kppp->con_speed = Modem::modem->parseModemSpeed(myreadbuffer);
+}
+
+
+
+void ConnectWidget::readChar(unsigned char c) {
+  if(semaphore)
+    return;
+
+    readbuffer += c;
+    myreadbuffer += c;
+
+    // While in scanning mode store each char to the scan buffer
+    // for use in the prompt command
+    if( scanning )
+       scanbuffer += c;
+
+    // add to debug window
+    emit debugPutChar(c);
+
+    checkBuffers();
+}
+
+
+void ConnectWidget::checkBuffers() {
+  // Let's check if we are finished with scanning:
+  // The scanstring have to be in the buffer and the latest character
+  // was a carriage return or an linefeed (depending on modem setup)
+  if( scanning && scanbuffer.contains(scanstr) &&
+      ( scanbuffer.right(1) == "\n" || scanbuffer.right(1) == "\r") ) {
+      scanning = false;
+
+      int vstart = scanbuffer.find( scanstr ) + scanstr.length();
+      scanvar = scanbuffer.mid( vstart, scanbuffer.length() - vstart);
+      scanvar = scanvar.stripWhiteSpace();
+
+      // Show the Variabel content in the debug window
+      QString sv = i18n("Scan Var: %1").arg(scanvar);
+      emit debugMessage(sv);
+  }
+
+  if(expecting) {
+    if(readbuffer.contains(expectstr)) {
+      expecting = false;
+      // keep everything after the expected string
+      readbuffer.remove(0, readbuffer.find(expectstr) + expectstr.length());
+
+      QString ts = i18n("Found: %1").arg(expectstr);
+      emit debugMessage(ts);
+
+      if (loopend) {
+	loopend=false;
+      }
+    }
+
+    if (loopend && readbuffer.contains(loopstr[loopnest])) {
+      expecting = false;
+      readbuffer = "";
+      QString ts = i18n("Looping: %1").arg(loopstr[loopnest]);
+      emit debugMessage(ts);
+      scriptindex = loopstartindex[loopnest];
+      loopend = false;
+      loopnest++;
+    }
+    // notify event loop if expected string was found
+    if(!expecting)
+      timerEvent((QTimerEvent *) 0);
+  }
+}
+
+
+
+void ConnectWidget::pause() {
+  pausing = false;
+  pausetimer->stop();
+}
+
+
+void ConnectWidget::cancelbutton() {
+  gpppdata.setWaitCallback(false);
+  Modem::modem->stop();
+  killTimer(main_timer_ID);
+  timeout_timer->stop();
+  if_timer->stop();
+  if_timeout_timer->stop();
+
+  if (termwindow) {
+    delete termwindow;
+    termwindow = 0L;
+    show();
+  }
+
+  messg->setText(i18n("One moment please..."));
+
+  // just to be sure
+  Requester::rq->removeSecret(AUTH_PAP);
+  Requester::rq->removeSecret(AUTH_CHAP);
+  removedns();
+
+  kapp->processEvents();
+
+  Requester::rq->killPPPDaemon();
+  Modem::modem->hangup();
+
+  hide();
+  messg->setText("");
+  p_kppp->quit_b->setFocus();
+  p_kppp->show();
+  emit stopAccounting();	// just to be sure
+  p_kppp->con_win->stopClock();
+  Modem::modem->closetty();
+  Modem::modem->unlockdevice();
+
+  //abort prompt window...
+  if (prompt->isVisible()) {
+  	prompt->hide();
+  }
+  prompt->setConsumed();
+
+  if(p_kppp->quitOnDisconnect())
+    kapp->exit(0);
+}
+
+
+void ConnectWidget::script_timed_out() {
+  if(vmain == 20) { // we are in the 'wait for the user to cancel' state
+    timeout_timer->stop();
+    emit stopAccounting();
+    p_kppp->con_win->stopClock();
+    return;
+  }
+
+  if (prompt->isVisible())
+    prompt->hide();
+
+  prompt->setConsumed();
+  messg->setText(i18n("Script timed out."));
+  Modem::modem->hangup();
+  emit stopAccounting();
+  p_kppp->con_win->stopClock();
+
+  vmain = 0; // let's try again.
+  substate = -1;
+}
+
+
+void ConnectWidget::setScan(const QString &n) {
+  scanning = true;
+  scanstr = n;
+  scanbuffer = "";
+
+  QString ts = i18n("Scanning: %1").arg(n);
+  emit debugMessage(ts);
+}
+
+
+void ConnectWidget::setExpect(const QString &n) {
+  expecting = true;
+  expectstr = n;
+
+  QString ts = i18n("Expecting: %1").arg(n);
+  ts.replace(QRegExp("\n"), "<LF>");
+  emit debugMessage(ts);
+
+  // check if the expected string is in the read buffer already.
+  checkBuffers();
+}
+
+
+void ConnectWidget::if_waiting_timed_out() {
+  if_timer->stop();
+  if_timeout_timer->stop();
+  kdDebug(5002) << "if_waiting_timed_out()" << endl;
+
+  gpppdata.setpppdError(E_IF_TIMEOUT);
+
+  // let's kill the stuck pppd
+  Requester::rq->killPPPDaemon();
+
+  emit stopAccounting();
+  p_kppp->con_win->stopClock();
+
+
+  // killing ppp will generate a SIGCHLD which will be caught in pppdie()
+  // in main.cpp what happens next will depend on the boolean
+  // reconnect_on_disconnect which is set in ConnectWidget::init();
+}
+
+void ConnectWidget::pppdDied()
+{
+  if_timer->stop();
+  if_timeout_timer->stop();
+}
+
+void ConnectWidget::if_waiting_slot() {
+  messg->setText(i18n("Logging on to network..."));
+
+  if(!stats->ifIsUp()) {
+
+    if(gpppdata.pppdError() != 0) {
+      // we are here if pppd died immediately after starting it.
+      pppdDied();
+      // error message handled in main.cpp: sigPPPDDied()
+      return;
+    }
+
+    if_timer->start(100, TRUE); // single shot
+    return;
+  }
+
+  // O.K the ppp interface is up and running
+  // give it a few time to come up completly (0.2 seconds)
+  if_timeout_timer->stop();
+  if_timer->stop();
+  usleep(200000);
+
+  if(gpppdata.autoDNS())
+    addpeerdns();
+
+  // Close the debugging window. If we are connected, we
+  // are not really interested in debug output
+  emit closeDebugWindow();
+  p_kppp->statdlg->take_stats(); // start taking ppp statistics
+  auto_hostname();
+
+  // signal other applications that we are connected now
+  kapp->dcopClient()->emitDCOPSignal("KpppIface", "connected()", QByteArray());
+
+  if(!gpppdata.command_on_connect().isEmpty()) {
+    messg->setText(i18n("Running startup command..."));
+
+    // make sure that we don't get any async errors
+    kapp->flushX();
+    execute_command(gpppdata.command_on_connect());
+    messg->setText(i18n("Done"));
+  }
+
+  // remove the authentication file
+  Requester::rq->removeSecret(AUTH_PAP);
+  Requester::rq->removeSecret(AUTH_CHAP);
+
+  emit debugMessage(i18n("Done"));
+  set_con_speed_string();
+
+  p_kppp->con_win->setConnectionSpeed(p_kppp->con_speed);
+  hide();
+  messg->setText("");
+
+  // prepare the con_win so as to have the right size for
+  // accounting / non-accounting mode
+  if(p_kppp->acct != 0)
+    p_kppp->con_win->accounting(p_kppp->acct->running());
+  else
+    p_kppp->con_win->accounting(false);
+
+  if (gpppdata.get_dock_into_panel()) {
+    DockWidget::dock_widget->show();
+    DockWidget::dock_widget->take_stats();
+    hide();
+  }
+  else {
+    p_kppp->con_win->show();
+
+    if(gpppdata.get_iconify_on_connect()) {
+      p_kppp->con_win->showMinimized();
+    }
+  }
+
+  Modem::modem->closetty();
+}
+
+
+bool ConnectWidget::execppp() {
+  QString command;
+
+  command = "pppd";
+
+  // as of version 2.3.6 pppd falls back to the real user rights when
+  // opening a device given in a command line. To avoid permission conflicts
+  // we'll simply leave this argument away. pppd will then use the default tty
+  // which is the serial port we connected stdin/stdout to in opener.cpp.
+  //  command += " ";
+  //  command += gpppdata.modemDevice();
+
+  command += " " + gpppdata.speed();
+
+  command += " -detach";
+
+  if(gpppdata.ipaddr() != "0.0.0.0" ||
+     gpppdata.gateway() != "0.0.0.0") {
+    if(gpppdata.ipaddr() != "0.0.0.0") {
+      command += " ";
+      command += gpppdata.ipaddr();
+      command +=  ":";
+    }
+    else {
+      command += " ";
+      command += ":";
+    }
+
+    if(gpppdata.gateway() != "0.0.0.0")
+      command += gpppdata.gateway();
+  }
+
+  if(gpppdata.subnetmask() != "0.0.0.0")
+    command += " netmask " + gpppdata.subnetmask();
+
+  // the english/i18n mix below is ugly but we want to keep working
+  // after someone changed the code to use i18n'ed config values
+  QString flowCtrl = gpppdata.flowcontrol();
+  if(flowCtrl != "None" && flowCtrl != i18n("None")) {
+    if(flowCtrl == "CRTSCTS" || flowCtrl == "Hardware [CRTSCTS]" ||
+       flowCtrl == i18n("Hardware [CRTSCTS]"))
+      command += " crtscts";
+    else
+      command += " xonxoff";
+  }
+
+  if(gpppdata.defaultroute())
+    command += " defaultroute";
+
+  if(gpppdata.autoDNS())
+    command += " usepeerdns";
+
+  QStringList &arglist = gpppdata.pppdArgument();
+  for ( QStringList::Iterator it = arglist.begin();
+        it != arglist.end();
+        ++it )
+  {
+    command += " " + *it;
+  }
+
+  // Callback settings
+  if(gpppdata.callbackType() && !gpppdata.waitCallback()) {
+    if(!gpppdata.pppdVersionMin(2, 4, 2)) {
+      command += " +callback";
+      if(gpppdata.callbackType() == CBTYPE_USER)
+        command += " callback " + gpppdata.callbackPhone();
+    } else {
+      command += " callback ";
+      command += gpppdata.callbackType() == CBTYPE_ADMIN ?
+                 QString("0") : gpppdata.callbackPhone();
+    }
+  } else
+    gpppdata.setWaitCallback(false);
+
+  // PAP settings
+  if(gpppdata.authMethod() == AUTH_PAP) {
+    command += " -chap user ";
+    command = command + "\"" + gpppdata.storedUsername() + "\"";
+  }
+
+  // CHAP settings
+  if(gpppdata.authMethod() == AUTH_CHAP) {
+    command += " -pap user ";
+    command = command + "\"" + gpppdata.storedUsername() + "\"";
+  }
+
+  // PAP/CHAP settings
+  if(gpppdata.authMethod() == AUTH_PAPCHAP) {
+    command += " user ";
+    command = command + "\"" + gpppdata.storedUsername() + "\"";
+  }
+
+  // check for debug
+  if(gpppdata.getPPPDebug())
+    command += " debug";
+
+  if (command.length() > MAX_CMDLEN) {
+    KMessageBox::error(this, i18n(
+			      "pppd command + command-line arguments exceed "
+			      "2024 characters in length."
+			      ));
+
+    return false; // nonsensically long command which would bust my buffer buf.
+  }
+
+  kapp->flushX();
+
+  return Requester::rq->execPPPDaemon(command);
+}
+
+
+void ConnectWidget::closeEvent( QCloseEvent *e ) {
+  e->ignore();
+  emit cancelbutton();
+}
+
+
+void ConnectWidget::setMsg(const QString &msg) {
+  messg->setText(msg);
+}
+
+void ConnectWidget::writeline(const QString &s) {
+  Modem::modem->writeLine(s.local8Bit());
+}
+
+// Set the hostname and domain from DNS Server
+void auto_hostname() {
+  struct in_addr local_ip;
+  struct hostent *hostname_entry;
+  QString new_hostname;
+  int    dot;
+  char   tmp_str[100]; // buffer overflow safe
+
+  gethostname(tmp_str, sizeof(tmp_str));
+  tmp_str[sizeof(tmp_str)-1]=0; // panic
+  old_hostname=tmp_str; // copy to QString
+
+  if (!p_kppp->stats->local_ip_address.isEmpty() && gpppdata.autoname()) {
+    local_ip.s_addr=inet_addr(p_kppp->stats->local_ip_address.ascii());
+    hostname_entry=gethostbyaddr((const char *)&local_ip,sizeof(in_addr),AF_INET);
+
+    if (hostname_entry != 0L) {
+      new_hostname=hostname_entry->h_name;
+      dot=new_hostname.find('.');
+      new_hostname=new_hostname.remove(dot,new_hostname.length()-dot);
+      Requester::rq->setHostname(new_hostname);
+      modified_hostname = TRUE;
+
+      new_hostname=hostname_entry->h_name;
+      new_hostname.remove(0,dot+1);
+
+      add_domain(new_hostname);
+    }
+  }
+
+}
+
+// Replace the DNS domain entry in the /etc/resolv.conf file and
+// disable the nameserver entries if option is enabled
+void add_domain(const QString &domain) {
+
+  int fd;
+  char c;
+  QString resolv[MAX_RESOLVCONF_LINES];
+
+  if (domain.isEmpty())
+    return;
+
+  if((fd = Requester::rq->openResolv(O_RDONLY)) >= 0) {
+
+    int i=0;
+    while((read(fd, &c, 1) == 1) && (i < MAX_RESOLVCONF_LINES)) {
+      if(c == '\n') {
+	i++;
+      }
+      else {
+	resolv[i] += c;
+      }
+    }
+    close(fd);
+    if ((c != '\n') && (i < MAX_RESOLVCONF_LINES)) i++;
+
+    if((fd = Requester::rq->openResolv(O_WRONLY|O_TRUNC)) >= 0) {
+      QCString tmp = "domain " + domain.local8Bit() +
+		     " \t\t#kppp temp entry\n";
+      write(fd, tmp.data(), tmp.length());
+
+      for(int j=0; j < i; j++) {
+	if((resolv[j].contains("domain") ||
+	      ( resolv[j].contains("nameserver")
+		&& !resolv[j].contains("#kppp temp entry")
+		&& gpppdata.exDNSDisabled()))
+	        && !resolv[j].contains("#entry disabled by kppp")) {
+	  QCString tmp = "# " + resolv[j].local8Bit() +
+			 " \t#entry disabled by kppp\n";
+	  write(fd, tmp, tmp.length());
+	}
+	else {
+	  QCString tmp = resolv[j].local8Bit() + "\n";
+	  write(fd, tmp, tmp.length());
+	}
+      }
+    }
+    close(fd);
+  }
+}
+
+
+// adds the DNS entries in the /etc/resolv.conf file
+void adddns()
+{
+  int fd;
+
+  if ((fd = Requester::rq->openResolv(O_WRONLY|O_APPEND)) >= 0) {
+    QStringList &dnslist = gpppdata.dns();
+    for ( QStringList::Iterator it = dnslist.begin();
+          it != dnslist.end();
+          ++it )
+    {
+      QCString dns = "nameserver " + (*it).local8Bit() +
+		     " \t#kppp temp entry\n";
+      write(fd, dns.data(), dns.length());
+    }
+    close(fd);
+  }
+  add_domain(gpppdata.domain());
+}
+
+void addpeerdns() {
+  int fd, fd2;
+
+  if((fd = Requester::rq->openResolv(O_WRONLY|O_APPEND)) >= 0) {
+    if((fd2 = open("/etc/ppp/resolv.conf", O_RDONLY)) >= 0) {
+      char c;
+      int i = 0;
+      while(i++ < 100 && read(fd2, &c, 1) == 1) {
+        if(c == '\n')
+          write(fd, "\t#kppp temp entry\n", 18);
+        else
+          write(fd, &c, 1);
+      }
+      close(fd2);
+    } else
+      fprintf(stderr, "failed to read from /etc/ppp/resolv.conf\n");
+    close(fd);
+  }
+  add_domain(gpppdata.domain());
+}
+
+// remove the dns entries from the /etc/resolv.conf file
+void removedns() {
+
+  int fd;
+  char c;
+  QString resolv[MAX_RESOLVCONF_LINES];
+
+  if((fd = Requester::rq->openResolv(O_RDONLY)) >= 0) {
+
+    int i=0;
+    while(read(fd, &c, 1) == 1 && i < MAX_RESOLVCONF_LINES) {
+      if(c == '\n') {
+	i++;
+      }
+      else {
+	resolv[i] += c;
+      }
+    }
+    close(fd);
+
+    if((fd = Requester::rq->openResolv(O_WRONLY|O_TRUNC)) >= 0) {
+      for(int j=0; j < i; j++) {
+	if(resolv[j].contains("#kppp temp entry")) continue;
+	if(resolv[j].contains("#entry disabled by kppp")) {
+          QCString tmp = resolv[j].local8Bit();
+	  write(fd, tmp.data()+2, tmp.length() - 27);
+	  write(fd, "\n", 1);
+	}
+	else {
+	  QCString tmp = resolv[j].local8Bit() + "\n";
+	  write(fd, tmp, tmp.length());
+	}
+      }
+    }
+    close(fd);
+
+  }
+
+  if (  modified_hostname ) {
+    Requester::rq->setHostname(old_hostname);
+    modified_hostname = FALSE;
+  }
+
+}
+
+#include "connect.moc"