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/* vi: set sw=4 ts=4:
*
* Copyright (C) 2011 Christian Hohnstaedt.
*
* All rights reserved.
*/
#include "SearchPkcs11.h"
#include "lib/base.h"
#include "lib/func.h"
#include "lib/pkcs11_lib.h"
#include <QComboBox>
#include <QLineEdit>
#include <QFileDialog>
#include <QPushButton>
#include <QMessageBox>
#include <QStringList>
#include <QFile>
SearchPkcs11::SearchPkcs11(QWidget *parent, const QString &fname)
:QDialog(parent)
{
setupUi(this);
filename->setText(nativeSeparator(fname));
setWindowTitle(XCA_TITLE);
liblist->setSelectionMode(QAbstractItemView::ExtendedSelection);
searching = NULL;
}
SearchPkcs11::~SearchPkcs11()
{
if (searching)
search->click();
}
void SearchPkcs11::on_fileBut_clicked()
{
QString s = QFileDialog::getExistingDirectory(this, QString(XCA_TITLE),
filename->text(),
QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
if (!s.isEmpty())
filename->setText(nativeSeparator(s));
}
void SearchPkcs11::on_search_clicked()
{
if (searching) {
return;
}
searching = new searchThread(filename->text(),
getLibExtensions(),
subdirs->isChecked());
liblist->clear();
connect(searching, SIGNAL(updateLibs(QString)),
this, SLOT(updateLibs(QString)));
connect(searching, SIGNAL(updateCurrFile(QString)),
this, SLOT(updateCurrFile(QString)));
connect(searching, SIGNAL(finished()),
this, SLOT(finishSearch()));
connect(search, SIGNAL(clicked()),
searching, SLOT(cancelSearch()));
search->setText("Cancel");
searching->start();
}
void SearchPkcs11::finishSearch()
{
search->setText("Start");
currFile->setText(tr("The following files are possible PKCS#11 libraries"));
if (!searching)
return;
searching->wait(1000);
delete searching;
searching = NULL;
}
void SearchPkcs11::buttonPress(QAbstractButton *but)
{
QList<QListWidgetItem *> libitems;
QListWidgetItem *lib;
switch (buttonBox->standardButton(but)) {
case QDialogButtonBox::Ok:
accept();
break;
default:
case QDialogButtonBox::Cancel:
reject();
break;
case QDialogButtonBox::Open:
libitems = liblist->selectedItems();
foreach(lib, libitems)
loadItem(lib);
break;
}
}
void SearchPkcs11::loadItem(QListWidgetItem *lib)
{
emit addLib(lib->whatsThis());
delete lib;
}
void SearchPkcs11::updateCurrFile(QString f)
{
f = nativeSeparator(f);
int len = f.length();
QString reduced = f;
QFontMetrics fm(currFile->font());
currFile->setToolTip(f);
#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
while ((currFile->width() < (fm.horizontalAdvance(reduced) -10)) &&
#else
while ((currFile->width() < (fm.width(reduced) -10)) &&
#endif
(len > 0)) {
len -= 10;
reduced = compressFilename(f, len);
}
currFile->setText(reduced);
currFile->update();
}
void SearchPkcs11::updateLibs(QString f)
{
QListWidgetItem *i = new QListWidgetItem(nativeSeparator(f));
i->setWhatsThis(f);
liblist->addItem(i);
liblist->update();
}
searchThread::searchThread(QString _dir, const QStringList _ext, bool _recursive)
{
dirname = _dir;
ext = _ext;
recursive = _recursive;
keepOnRunning = true;
}
void searchThread::cancelSearch()
{
keepOnRunning = false;
}
bool searchThread::checkLib(QString file)
{
qint64 size;
int r = -1;
QFile qf(file);
size = qf.size();
if (qf.open(QIODevice::ReadOnly)) {
uchar *p = qf.map(0, size);
r = QByteArray::fromRawData((char*)p, size)
.indexOf("C_GetFunctionList");
qf.unmap(p);
qf.close();
}
return r != -1;
}
void searchThread::search(QString mydir)
{
QDir dir = QDir(mydir);
QStringList files = dir.entryList(
QStringList(ext),
QDir::Files | QDir::Readable);
while (!files.isEmpty() && keepOnRunning) {
QString file = files.takeFirst();
if (file.isEmpty())
continue;
file = mydir + "/" + file;
emit updateCurrFile(file);
if (checkLib(file))
emit updateLibs(file);
}
if (recursive && keepOnRunning) {
QString d;
QStringList dirs = dir.entryList(QStringList(),
QDir::AllDirs | QDir::NoDotAndDotDot);
foreach(d, dirs) {
if (!keepOnRunning)
break;
QString s = mydir + "/" + d;
emit updateCurrFile(s);
search(s);
}
}
}
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