You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
220 lines
7.3 KiB
220 lines
7.3 KiB
/*****************************************************************
|
|
* drkonqi - The KDE Crash Handler
|
|
*
|
|
* Copyright (C) 2000-2003 Hans Petter Bieker <bieker@kde.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*****************************************************************/
|
|
|
|
#include <qlayout.h>
|
|
#include <qhbox.h>
|
|
#include <qlabel.h>
|
|
|
|
#include <kdialog.h>
|
|
#include <klocale.h>
|
|
#include <kglobal.h>
|
|
#include <kglobalsettings.h>
|
|
#include <kfiledialog.h>
|
|
#include <kmessagebox.h>
|
|
#include <kpushbutton.h>
|
|
#include <kstdguiitem.h>
|
|
#include <ktextbrowser.h>
|
|
#include <ktempfile.h>
|
|
|
|
#include "backtrace.h"
|
|
#include "krashconf.h"
|
|
#include "debugger.h"
|
|
#include "debugger.moc"
|
|
|
|
KrashDebugger :: KrashDebugger (const KrashConfig *krashconf, QWidget *parent, const char *name)
|
|
: QWidget( parent, name ),
|
|
m_krashconf(krashconf),
|
|
m_proctrace(0)
|
|
{
|
|
QVBoxLayout *vbox = new QVBoxLayout( this, 0, KDialog::marginHint() );
|
|
vbox->setAutoAdd(TRUE);
|
|
|
|
m_backtrace = new KTextBrowser(this);
|
|
m_backtrace->setTextFormat(Qt::PlainText);
|
|
m_backtrace->setFont(KGlobalSettings::fixedFont());
|
|
|
|
QWidget *w = new QWidget( this );
|
|
( new QHBoxLayout( w, 0, KDialog::marginHint() ) )->setAutoAdd( true );
|
|
m_status = new QLabel( w );
|
|
m_status->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Preferred ) );
|
|
//m_copyButton = new KPushButton( KStdGuiItem::copy(), w );
|
|
KGuiItem item( i18n( "C&opy" ), QString::fromLatin1( "editcopy" ) );
|
|
m_copyButton = new KPushButton( item, w );
|
|
connect( m_copyButton, SIGNAL( clicked() ), this, SLOT( slotCopy() ) );
|
|
m_copyButton->setEnabled( false );
|
|
m_saveButton = new KPushButton( m_krashconf->safeMode() ? KStdGuiItem::save() : KStdGuiItem::saveAs(), w );
|
|
connect( m_saveButton, SIGNAL( clicked() ), this, SLOT( slotSave() ) );
|
|
m_saveButton->setEnabled( false );
|
|
}
|
|
|
|
KrashDebugger :: ~KrashDebugger()
|
|
{
|
|
// This will SIGKILL gdb and SIGCONT program which crashed.
|
|
// delete m_proctrace;
|
|
}
|
|
|
|
void KrashDebugger :: slotDone(const QString& str)
|
|
{
|
|
m_status->setText(i18n("Done."));
|
|
m_copyButton->setEnabled( true );
|
|
m_saveButton->setEnabled( true );
|
|
m_backtrace->setText( m_prependText + str ); // replace with possibly post-processed backtrace
|
|
}
|
|
|
|
void KrashDebugger :: slotCopy()
|
|
{
|
|
m_backtrace->selectAll();
|
|
m_backtrace->copy();
|
|
}
|
|
|
|
void KrashDebugger :: slotSave()
|
|
{
|
|
if (m_krashconf->safeMode())
|
|
{
|
|
KTempFile tf(QString::fromAscii("/tmp/"), QString::fromAscii(".kcrash"), 0600);
|
|
if (!tf.status())
|
|
{
|
|
*tf.textStream() << m_backtrace->text();
|
|
tf.close();
|
|
KMessageBox::information(this, i18n("Backtrace saved to %1").arg(tf.name()));
|
|
}
|
|
else
|
|
{
|
|
KMessageBox::sorry(this, i18n("Cannot create a file in which to save the backtrace"));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
QString defname = m_krashconf->execName() + QString::fromLatin1( ".kcrash" );
|
|
if( defname.contains( '/' ))
|
|
defname = defname.mid( defname.findRev( '/' ) + 1 );
|
|
QString filename = KFileDialog::getSaveFileName(defname, QString::null, this, i18n("Select Filename"));
|
|
if (!filename.isEmpty())
|
|
{
|
|
QFile f(filename);
|
|
|
|
if (f.exists()) {
|
|
if (KMessageBox::Cancel ==
|
|
KMessageBox::warningContinueCancel( 0,
|
|
i18n( "A file named \"%1\" already exists. "
|
|
"Are you sure you want to overwrite it?" ).arg( filename ),
|
|
i18n( "Overwrite File?" ),
|
|
i18n( "&Overwrite" ) ))
|
|
return;
|
|
}
|
|
|
|
if (f.open(IO_WriteOnly))
|
|
{
|
|
QTextStream ts(&f);
|
|
ts << m_backtrace->text();
|
|
f.close();
|
|
}
|
|
else
|
|
{
|
|
KMessageBox::sorry(this, i18n("Cannot open file %1 for writing").arg(filename));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void KrashDebugger :: slotSomeError()
|
|
{
|
|
m_status->setText(i18n("Unable to create a valid backtrace."));
|
|
m_backtrace->setText(i18n("This backtrace appears to be of no use.\n"
|
|
"This is probably because your packages are built in a way "
|
|
"which prevents creation of proper backtraces, or the stack frame "
|
|
"was seriously corrupted in the crash.\n\n" )
|
|
+ m_backtrace->text());
|
|
}
|
|
|
|
void KrashDebugger :: slotAppend(const QString &str)
|
|
{
|
|
m_status->setText(i18n("Loading backtrace..."));
|
|
|
|
// append doesn't work here because it will add a newline as well
|
|
m_backtrace->setText(m_backtrace->text() + str);
|
|
}
|
|
|
|
void KrashDebugger :: showEvent(QShowEvent *e)
|
|
{
|
|
QWidget::showEvent(e);
|
|
startDebugger();
|
|
}
|
|
|
|
void KrashDebugger :: startDebugger()
|
|
{
|
|
// Only start one copy
|
|
if (m_proctrace || !m_backtrace->text().isEmpty())
|
|
return;
|
|
|
|
QString msg;
|
|
bool checks = performChecks( &msg );
|
|
if( !checks && !m_krashconf->disableChecks())
|
|
{
|
|
m_backtrace->setText( m_prependText +
|
|
i18n( "The following options are enabled:\n\n" )
|
|
+ msg
|
|
+ i18n( "\nAs the usage of these options is not recommended -"
|
|
" because they can, in rare cases, be responsible for KDE problems - a backtrace"
|
|
" will not be generated.\n"
|
|
"You need to turn these options off and reproduce"
|
|
" the problem again in order to get a backtrace.\n" ));
|
|
m_status->setText( i18n( "Backtrace will not be created."));
|
|
return;
|
|
}
|
|
if( !msg.isEmpty())
|
|
{
|
|
m_prependText += msg + '\n';
|
|
m_backtrace->setText( m_prependText );
|
|
}
|
|
m_status->setText(i18n("Loading symbols..."));
|
|
|
|
m_proctrace = new BackTrace(m_krashconf, this);
|
|
|
|
connect(m_proctrace, SIGNAL(append(const QString &)),
|
|
SLOT(slotAppend(const QString &)));
|
|
connect(m_proctrace, SIGNAL(done(const QString&)), SLOT(slotDone(const QString&)));
|
|
connect(m_proctrace, SIGNAL(someError()), SLOT(slotSomeError()));
|
|
|
|
m_proctrace->start();
|
|
}
|
|
|
|
// this function check for "dangerous" settings, returns false
|
|
// and message in case some of them are activated
|
|
bool KrashDebugger::performChecks( QString* msg )
|
|
{
|
|
bool ret = true;
|
|
KConfig kdedcfg( QString::fromLatin1( "kdedrc" ), true );
|
|
kdedcfg.setGroup( "General" );
|
|
if( kdedcfg.readBoolEntry( "DelayedCheck", false ))
|
|
{
|
|
// ret = false; it's not that dangerous
|
|
*msg += i18n( "System configuration startup check disabled.\n" );
|
|
}
|
|
return ret;
|
|
}
|