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This document is not UTF8. It was detected as Shift JIS and converted to UTF8 for display.
/*
main.cpp - A (not yet) secure Qt 4 dialog for PIN entry.
Copyright (C) 2002, 2008 Klar舁vdalens Datakonsult AB (KDAB)
Copyright (C) 2003 g10 Code GmbH
Copyright 2007 Ingo Klﾃｶcker
Written by Steffen Hansen <steffen@klaralvdalens-datakonsult.se>.
Modified by Marcus Brinkmann <marcus@g10code.de>.
Modified by Marc Mutz <marc@kdab.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU 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
General Public License for more details.
You should have received a copy of the GNU 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pinentrydialog.h"
#include "pinentry.h"
#include <qapplication.h>
#include <QIcon>
#include <QString>
#include <qwidget.h>
#include <qmessagebox.h>
#include <QPushButton>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <memory>
#include <stdexcept>
#ifdef FALLBACK_CURSES
#include <pinentry-curses.h>
#endif
static QString escape_accel( const QString & s ) {
QString result;
result.reserve( s.size() );
bool afterUnderscore = false;
for ( unsigned int i = 0, end = s.size() ; i != end ; ++i ) {
const QChar ch = s[i];
if ( ch == QLatin1Char( '_' ) )
{
if ( afterUnderscore ) // escaped _
{
result += QLatin1Char( '_' );
afterUnderscore = false;
}
else // accel
{
afterUnderscore = true;
}
}
else
{
if ( afterUnderscore || // accel
ch == QLatin1Char( '&' ) ) // escape & from being interpreted by Qt
result += QLatin1Char( '&' );
result += ch;
afterUnderscore = false;
}
}
if ( afterUnderscore )
// trailing single underscore: shouldn't happen, but deal with it robustly:
result += QLatin1Char( '_' );
return result;
}
/* Hack for creating a QWidget with a "foreign" window ID */
class ForeignWidget : public QWidget
{
public:
explicit ForeignWidget( WId wid ) : QWidget( 0 )
{
QWidget::destroy();
create( wid, false, false );
}
~ForeignWidget()
{
destroy( false, false );
}
};
namespace {
class InvalidUtf8 : public std::invalid_argument {
public:
InvalidUtf8() : std::invalid_argument( "invalid utf8" ) {}
~InvalidUtf8() throw() {}
};
}
static const bool GPG_AGENT_IS_PORTED_TO_ONLY_SEND_UTF8 = false;
static QString from_utf8( const char * s ) {
const QString result = QString::fromUtf8( s );
if ( result.contains( QChar::ReplacementCharacter ) )
{
if ( GPG_AGENT_IS_PORTED_TO_ONLY_SEND_UTF8 )
throw InvalidUtf8();
else
return QString::fromLocal8Bit( s );
}
return result;
}
static int
qt_cmd_handler (pinentry_t pe)
{
QWidget *parent = 0;
/* FIXME: Add parent window ID to pinentry and GTK. */
if (pe->parent_wid)
parent = new ForeignWidget ((WId) pe->parent_wid);
int want_pass = !!pe->pin;
const QString ok =
pe->ok ? escape_accel( from_utf8( pe->ok ) ) :
pe->default_ok ? escape_accel( from_utf8( pe->default_ok ) ) :
/* else */ QLatin1String( "&OK" ) ;
const QString cancel =
pe->cancel ? escape_accel( from_utf8( pe->cancel ) ) :
pe->default_cancel ? escape_accel( from_utf8( pe->default_cancel ) ) :
/* else */ QLatin1String( "&Cancel" ) ;
const QString title =
pe->title ? from_utf8( pe->title ) :
/* else */ QLatin1String( "pinentry-qt4" ) ;
if (want_pass)
{
PinEntryDialog pinentry (parent, 0, true, !!pe->quality_bar);
pinentry.setPinentryInfo (pe);
pinentry.setPrompt (escape_accel (from_utf8 (pe->prompt)) );
pinentry.setDescription (from_utf8 (pe->description));
if ( pe->title )
pinentry.setWindowTitle( from_utf8( pe->title ) );
/* If we reuse the same dialog window. */
pinentry.setPin (secqstring());
pinentry.setOkText (ok);
pinentry.setCancelText (cancel);
if (pe->error)
pinentry.setError (from_utf8 (pe->error));
if (pe->quality_bar)
pinentry.setQualityBar (from_utf8 (pe->quality_bar));
if (pe->quality_bar_tt)
pinentry.setQualityBarTT (from_utf8 (pe->quality_bar_tt));
bool ret = pinentry.exec ();
if (!ret)
return -1;
const secstring pinUtf8 = toUtf8( pinentry.pin() );
const char *pin = pinUtf8.data();
int len = strlen (pin);
if (len >= 0)
{
pinentry_setbufferlen (pe, len + 1);
if (pe->pin)
{
strcpy (pe->pin, pin);
return len;
}
}
return -1;
}
else
{
const QString desc = pe->description ? from_utf8 ( pe->description ) : QString();
const QString notok = pe->notok ? escape_accel (from_utf8 ( pe->notok )) : QString();
const QMessageBox::StandardButtons buttons =
pe->one_button ? QMessageBox::Ok :
pe->notok ? QMessageBox::Yes|QMessageBox::No|QMessageBox::Cancel :
/* else */ QMessageBox::Ok|QMessageBox::Cancel ;
QMessageBox box( QMessageBox::Information, title, desc, buttons, parent );
const struct {
QMessageBox::StandardButton button;
QString label;
} buttonLabels[] = {
{ QMessageBox::Ok, ok },
{ QMessageBox::Yes, ok },
{ QMessageBox::No, notok },
{ QMessageBox::Cancel, cancel },
};
for ( size_t i = 0 ; i < sizeof buttonLabels / sizeof *buttonLabels ; ++i )
if ( (buttons & buttonLabels[i].button) && !buttonLabels[i].label.isEmpty() )
box.button( buttonLabels[i].button )->setText( buttonLabels[i].label );
box.setIconPixmap( icon() );
if ( !pe->one_button )
box.setDefaultButton( QMessageBox::Cancel );
box.show();
raiseWindow( &box );
const int rc = box.exec();
if ( rc == QMessageBox::Cancel )
pe->canceled = true;
return rc == QMessageBox::Ok || rc == QMessageBox::Yes ;
}
}
static int
qt_cmd_handler_ex (pinentry_t pe)
{
try {
return qt_cmd_handler (pe);
} catch ( const InvalidUtf8 & ) {
pe->locale_err = true;
return pe->pin ? -1 : false ;
} catch ( ... ) {
pe->canceled = true;
return pe->pin ? -1 : false ;
}
}
pinentry_cmd_handler_t pinentry_cmd_handler = qt_cmd_handler_ex;
int
main (int argc, char *argv[])
{
pinentry_init ("pinentry-qt4");
std::auto_ptr<QApplication> app;
#ifdef FALLBACK_CURSES
if (!pinentry_have_display (argc, argv))
pinentry_cmd_handler = curses_cmd_handler;
else
#endif
{
/* Qt does only understand -display but not --display; thus we
are fixing that here. The code is pretty simply and may get
confused if an argument is called "--display". */
char **new_argv, *p;
size_t n;
int i, done;
for (n=0,i=0; i < argc; i++)
n += strlen (argv[i])+1;
n++;
new_argv = (char**)calloc (argc+1, sizeof *new_argv);
if (new_argv)
*new_argv = (char*)malloc (n);
if (!new_argv || !*new_argv)
{
fprintf (stderr, "pinentry-qt4: can't fixup argument list: %s\n",
strerror (errno));
exit (EXIT_FAILURE);
}
for (done=0,p=*new_argv,i=0; i < argc; i++)
if (!done && !strcmp (argv[i], "--display"))
{
new_argv[i] = strcpy (p, argv[i]+1);
p += strlen (argv[i]+1) + 1;
done = 1;
}
else
{
new_argv[i] = strcpy (p, argv[i]);
p += strlen (argv[i]) + 1;
}
/* We use a modal dialog window, so we don't need the application
window anymore. */
i = argc;
app.reset (new QApplication (i, new_argv));
const QIcon icon( QLatin1String( ":/document-encrypt.png" ) );
app->setWindowIcon( icon );
}
/* Consumes all arguments. */
if (pinentry_parse_opts (argc, argv))
{
printf ("pinentry-qt4 (pinentry) " /* VERSION */ "\n");
return EXIT_SUCCESS;
}
else
{
return pinentry_loop () ? EXIT_FAILURE : EXIT_SUCCESS ;
}
}

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