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/*
Copyright (C) 2006 - 2015 Evan Teran
evan.teran@gmail.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, see <http://www.gnu.org/licenses/>.
*/
#include "DialogStrings.h"
#include "Configuration.h"
#include "DialogResults.h"
#include "IRegion.h"
#include "MemoryRegions.h"
#include "ResultsModel.h"
#include "edb.h"
#include "util/Math.h"
#include <QHeaderView>
#include <QMessageBox>
#include <QPushButton>
#include <QSortFilterProxyModel>
namespace ProcessPropertiesPlugin {
/**
* @brief DialogStrings::DialogStrings
* @param parent
* @param f
*/
DialogStrings::DialogStrings(QWidget *parent, Qt::WindowFlags f)
: QDialog(parent, f) {
ui.setupUi(this);
ui.tableView->verticalHeader()->hide();
ui.tableView->horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
filterModel_ = new QSortFilterProxyModel(this);
connect(ui.txtSearch, &QLineEdit::textChanged, filterModel_, &QSortFilterProxyModel::setFilterFixedString);
buttonFind_ = new QPushButton(QIcon::fromTheme("edit-find"), tr("Find"));
connect(buttonFind_, &QPushButton::clicked, this, [this]() {
buttonFind_->setEnabled(false);
ui.progressBar->setValue(0);
doFind();
ui.progressBar->setValue(100);
buttonFind_->setEnabled(true);
});
ui.buttonBox->addButton(buttonFind_, QDialogButtonBox::ActionRole);
}
/**
* @brief DialogStrings::showEvent
*/
void DialogStrings::showEvent(QShowEvent *) {
filterModel_->setFilterKeyColumn(3);
filterModel_->setSourceModel(&edb::v1::memory_regions());
ui.tableView->setModel(filterModel_);
ui.progressBar->setValue(0);
}
/**
* @brief DialogStrings::doFind
*/
void DialogStrings::doFind() {
const int min_string_length = edb::v1::config().min_string_length;
const QItemSelectionModel *const selection_model = ui.tableView->selectionModel();
const QModelIndexList sel = selection_model->selectedRows();
QString str;
if (sel.size() == 0) {
QMessageBox::critical(
this,
tr("No Region Selected"),
tr("You must select a region which is to be scanned for strings."));
return;
}
auto resultsDialog = new DialogResults(this);
for (const QModelIndex &selected_item : sel) {
const QModelIndex index = filterModel_->mapToSource(selected_item);
if (auto region = *reinterpret_cast<const std::shared_ptr<IRegion> *>(index.internalPointer())) {
edb::address_t start_address = region->start();
const edb::address_t end_address = region->end();
const edb::address_t orig_start = start_address;
// do the search for this region!
while (start_address < end_address) {
int string_length = 0;
bool ok = edb::v1::get_ascii_string_at_address(start_address, str, min_string_length, 256, string_length);
if (ok) {
resultsDialog->addResult({start_address, str, ResultsModel::Result::Ascii});
} else if (ui.search_unicode->isChecked()) {
string_length = 0;
ok = edb::v1::get_utf16_string_at_address(start_address, str, min_string_length, 256, string_length);
if (ok) {
resultsDialog->addResult({start_address, str, ResultsModel::Result::Utf16});
}
}
ui.progressBar->setValue(util::percentage((start_address - orig_start), region->size()));
if (ok) {
start_address += string_length;
} else {
++start_address;
}
}
}
}
if (resultsDialog->resultCount() == 0) {
QMessageBox::information(this, tr("No Strings Found"), tr("No strings were found in the selected region"));
delete resultsDialog;
} else {
resultsDialog->show();
}
}
}
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