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/*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config-kppp.h>
#include <qlayout.h>
#include <qregexp.h>
//Added by qt3to4:
#include <QLabel>
#include <QTimerEvent>
#include <QVBoxLayout>
#include <QFrame>
#include <QHBoxLayout>
#include <Q3CString>
#include <QCloseEvent>
#include <kdefakes.h> // gethostname
#include <kdebug.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kpushbutton.h>
#include <kapplication.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"
#include "kpppinterface.h"
extern KPPPWidget *p_kppp;
QString old_hostname;
bool modified_hostname;
ConnectWidget::ConnectWidget(QWidget *parent, const char *name, PPPStats *st)
: QWidget(parent),
// 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)
{
setObjectName(name);
modified_hostname = false;
QVBoxLayout *tl = new QVBoxLayout(this);
tl->setSpacing(10);
tl->setMargin(8);
QString tit = i18n("Connecting to: ");
setWindowTitle(tit);
QHBoxLayout *l0 = new QHBoxLayout();
l0->setSpacing( 10 );
tl->addLayout(l0);
l0->addSpacing(10);
messg = new QLabel( this );
messg->setObjectName( "messg" );
messg->setFrameStyle(QFrame::Panel|QFrame::Sunken);
messg->setAlignment(Qt::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();
l1->setSpacing( 10 );
tl->addLayout(l1);
l1->addStretch(1);
debug = new QPushButton(i18n("&Log"), this);
debug->setCheckable(true);
connect(debug, SIGNAL(clicked()), SIGNAL(toggleDebugWindow()));
cancel = new KPushButton(KStandardGuiItem::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()));
qApp->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", gpppdata.accname());
setWindowTitle(tit);
qApp->processEvents();
// signal other applications that we are about to get connected
emit aboutToConnect();
// 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..."));
qApp->processEvents();
QApplication::flush();
pid_t id = execute_command(gpppdata.command_before_connect());
int i, status;
do {
qApp->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());
qApp->processEvents();
if(Modem::modem->hangup()) {
qApp->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()) {
timeout_timer->stop();
// 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);
timeout_timer->start(gpppdata.modemTimeout()*1000);
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", 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", gpppdata.busyWait());
messg->setText(bm);
emit debugMessage(bm);
pausing = true;
pausetimer->setSingleShot(true);
pausetimer->start(gpppdata.busyWait()*1000);
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", gpppdata.busyWait());
messg->setText(bm);
emit debugMessage(bm);
pausing = true;
pausetimer->setSingleShot(true);
pausetimer->start(gpppdata.busyWait()*1000);
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(scriptindex < comlist->count()) {
scriptCommand = (comlist->at(scriptindex));
scriptArgument = (arglist->at(scriptindex));
} else {
kDebug(5002) << "End of script";
vmain = 10;
return;
}
if (scriptCommand == "Scan") {
QString bm = i18n("Scanning %1", scriptArgument);
messg->setText(bm);
emit debugMessage(bm);
setScan(scriptArgument);
scriptindex++;
return;
}
if (scriptCommand == "Save") {
QString bm = i18n("Saving %1", scriptArgument);
messg->setText(bm);
emit debugMessage(bm);
if (scriptArgument.toLower() == "password") {
gpppdata.setPassword(scanvar);
p_kppp->setPW_Edit(scanvar);
if(gpppdata.storePassword())
gpppdata.setStoredPassword(scanvar);
firstrunPW = true;
}
scriptindex++;
return;
}
if (scriptCommand == "Send" || scriptCommand == "SendNoEcho") {
// 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());
QString scriptarg;
if (scriptCommand == "Send")
scriptarg = scriptArgument;
else {
for(int i = 0; i < scriptArgument.length(); i++)
scriptarg += '*';
}
QString bm = i18n("Sending %1", scriptarg);
messg->setText(bm);
emit debugMessage(bm);
writeline(scriptArgument);
scriptindex++;
return;
}
if (scriptCommand == "Expect") {
QString bm = i18n("Expecting %1", 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", scriptArgument);
messg->setText(bm);
emit debugMessage(bm);
pausing = true;
pausetimer->setSingleShot(true);
pausetimer->start(scriptArgument.toInt()*1000);
timeout_timer->stop();
scriptindex++;
return;
}
if (scriptCommand == "Timeout") {
timeout_timer->stop();
QString bm = i18n("Timeout %1 seconds", 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", 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", 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") {
// 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.indexOf( "##" );
if( vstart != -1 ) {
ts.remove( vstart, 2 );
ts.insert( vstart, scanvar );
}
QString bm = i18n("Prompting %1", 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", 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", 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", scriptArgument);
if ( loopnest <= 0 ) {
bm = i18n("LoopEnd without matching Start. Line: %1", 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);
kDebug(5002) << "started if timeout timer with " << gpppdata.pppdTimeout()*1000;
// find out PPP interface and notify the stats module
stats->setUnit(pppInterfaceNumber());
kapp->flush();
semaphore = true;
result = execppp();
emit debugMessage(i18n("Starting pppd..."));
kDebug(5002) << "execppp() returned with return-code " << result;
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();
qApp->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.indexOf( scanstr ) + scanstr.length();
scanvar = scanbuffer.mid( vstart, scanbuffer.length() - vstart);
scanvar = scanvar.trimmed();
// Show the Variabel content in the debug window
QString sv = i18n("Scan Var: %1", scanvar);
emit debugMessage(sv);
}
if(expecting) {
if(readbuffer.contains(expectstr)) {
expecting = false;
// keep everything after the expected string
readbuffer.remove(0, readbuffer.indexOf(expectstr) + expectstr.length());
QString ts = i18n("Found: %1", expectstr);
emit debugMessage(ts);
if (loopend) {
loopend=false;
}
}
if (loopend && readbuffer.contains(loopstr[loopnest])) {
expecting = false;
readbuffer = "";
QString ts = i18n("Looping: %1", 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();
qApp->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", n);
emit debugMessage(ts);
}
void ConnectWidget::setExpect(const QString &n) {
expecting = true;
expectstr = n;
QString ts = i18n("Expecting: %1", 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();
kDebug(5002) << "if_waiting_timed_out()";
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->setSingleShot(true);
if_timer->start(100);
return;
}
// O.K the ppp interface is up and running
// give it a few time to come up completely (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
emit connected();
if(!gpppdata.command_on_connect().isEmpty()) {
messg->setText(i18n("Running startup command..."));
// make sure that we don't get any async errors
kapp->flush();
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->flush();
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.toLocal8Bit());
}
// 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.toAscii());
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.indexOf('.');
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) {
Q3CString tmp = "domain " + domain.toLocal8Bit() +
" \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")) {
Q3CString tmp = "# " + resolv[j].toLocal8Bit() +
" \t#entry disabled by kppp\n";
write(fd, tmp, tmp.length());
}
else {
Q3CString tmp = resolv[j].toLocal8Bit() + '\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 )
{
Q3CString dns = "nameserver " + (*it).toLocal8Bit() +
" \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")) {
Q3CString tmp = resolv[j].toLocal8Bit();
write(fd, tmp.data()+2, tmp.length() - 27);
write(fd, "\n", 1);
}
else {
Q3CString tmp = resolv[j].toLocal8Bit() + '\n';
write(fd, tmp, tmp.length());
}
}
}
close(fd);
}
if ( modified_hostname ) {
Requester::rq->setHostname(old_hostname);
modified_hostname = false;
}
}
#include "connect.moc"
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