382 lines
11 KiB
C++
382 lines
11 KiB
C++
/* search_frame.cpp
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "search_frame.h"
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#include <ui_search_frame.h>
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#include "file.h"
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#include <epan/proto.h>
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#include <epan/strutil.h>
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#include "wireshark_application.h"
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#include <QKeyEvent>
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#include <QCheckBox>
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enum {
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in_packet_list_,
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in_proto_tree_,
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in_bytes_
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};
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enum {
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df_search_,
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hex_search_,
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string_search_
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};
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enum {
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narrow_and_wide_chars_,
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narrow_chars_,
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wide_chars_
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};
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SearchFrame::SearchFrame(QWidget *parent) :
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AccordionFrame(parent),
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sf_ui_(new Ui::SearchFrame),
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cap_file_(NULL)
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{
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sf_ui_->setupUi(this);
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#ifdef Q_OS_MAC
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foreach (QWidget *w, findChildren<QWidget *>()) {
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w->setAttribute(Qt::WA_MacSmallSize, true);
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}
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#endif
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sf_ui_->searchTypeComboBox->setCurrentIndex(df_search_);
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updateWidgets();
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}
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SearchFrame::~SearchFrame()
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{
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delete sf_ui_;
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}
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void SearchFrame::animatedShow()
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{
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AccordionFrame::animatedShow();
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sf_ui_->searchLineEdit->setFocus();
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}
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void SearchFrame::findNext()
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{
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if (!cap_file_) return;
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cap_file_->dir = SD_FORWARD;
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if (isHidden()) {
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animatedShow();
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return;
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}
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on_findButton_clicked();
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}
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void SearchFrame::findPrevious()
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{
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if (!cap_file_) return;
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cap_file_->dir = SD_BACKWARD;
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if (isHidden()) {
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animatedShow();
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return;
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}
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on_findButton_clicked();
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}
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void SearchFrame::setFocus()
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{
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sf_ui_->searchLineEdit->setFocus();
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cap_file_->dir = SD_FORWARD;
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}
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void SearchFrame::setCaptureFile(capture_file *cf)
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{
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cap_file_ = cf;
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if (!cf && isVisible()) {
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animatedHide();
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}
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updateWidgets();
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}
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void SearchFrame::findFrameWithFilter(QString &filter)
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{
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animatedShow();
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sf_ui_->searchLineEdit->setText(filter);
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sf_ui_->searchTypeComboBox->setCurrentIndex(df_search_);
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updateWidgets();
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}
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void SearchFrame::keyPressEvent(QKeyEvent *event)
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{
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if (wsApp->focusWidget() == sf_ui_->searchLineEdit) {
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if (event->modifiers() == Qt::NoModifier) {
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if (event->key() == Qt::Key_Escape) {
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on_cancelButton_clicked();
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} else if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) {
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on_findButton_clicked();
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}
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}
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return; // searchLineEdit didn't want it and we don't either.
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}
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}
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void SearchFrame::updateWidgets()
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{
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if (cap_file_) {
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setEnabled(true);
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} else {
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setEnabled(false);
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return;
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}
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bool enable = sf_ui_->searchTypeComboBox->currentIndex() == string_search_;
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sf_ui_->searchInComboBox->setEnabled(enable);
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sf_ui_->caseCheckBox->setEnabled(enable);
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sf_ui_->charEncodingComboBox->setEnabled(enable);
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switch (sf_ui_->searchTypeComboBox->currentIndex()) {
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case df_search_:
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sf_ui_->searchLineEdit->checkDisplayFilter(sf_ui_->searchLineEdit->text());
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break;
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case hex_search_:
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if (sf_ui_->searchLineEdit->text().isEmpty()) {
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sf_ui_->searchLineEdit->setSyntaxState(SyntaxLineEdit::Invalid);
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} else {
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guint8 *bytes;
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size_t nbytes;
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bytes = convert_string_to_hex(sf_ui_->searchLineEdit->text().toUtf8().constData(), &nbytes);
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if (bytes == NULL)
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sf_ui_->searchLineEdit->setSyntaxState(SyntaxLineEdit::Invalid);
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else {
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g_free(bytes);
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sf_ui_->searchLineEdit->setSyntaxState(SyntaxLineEdit::Valid);
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}
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}
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break;
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case string_search_:
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if (sf_ui_->searchLineEdit->text().isEmpty()) {
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sf_ui_->searchLineEdit->setSyntaxState(SyntaxLineEdit::Invalid);
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} else {
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sf_ui_->searchLineEdit->setSyntaxState(SyntaxLineEdit::Valid);
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}
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break;
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default:
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// currentIndex is probably -1. Nothing is selected or list is empty.
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return;
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}
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if (sf_ui_->searchLineEdit->text().isEmpty() || sf_ui_->searchLineEdit->syntaxState() == SyntaxLineEdit::Invalid) {
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sf_ui_->findButton->setEnabled(false);
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} else {
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sf_ui_->findButton->setEnabled(true);
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}
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}
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void SearchFrame::on_searchTypeComboBox_currentIndexChanged(int)
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{
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updateWidgets();
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}
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void SearchFrame::on_searchLineEdit_textChanged(const QString &)
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{
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updateWidgets();
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}
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void SearchFrame::on_findButton_clicked()
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{
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guint8 *bytes = NULL;
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size_t nbytes;
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char *string = NULL;
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dfilter_t *dfp;
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gboolean found_packet = FALSE;
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QString err_string;
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if (!cap_file_) {
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return;
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}
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cap_file_->hex = FALSE;
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cap_file_->string = FALSE;
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cap_file_->case_type = FALSE;
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cap_file_->packet_data = FALSE;
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cap_file_->decode_data = FALSE;
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cap_file_->summary_data = FALSE;
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cap_file_->scs_type = SCS_NARROW_AND_WIDE;
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switch (sf_ui_->searchTypeComboBox->currentIndex()) {
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case df_search_:
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if (!dfilter_compile(sf_ui_->searchLineEdit->text().toUtf8().constData(), &dfp, NULL)) {
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err_string = tr("Invalid filter.");
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emit pushFilterSyntaxStatus(err_string);
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return;
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}
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if (dfp == NULL) {
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err_string = tr("That filter doesn't test anything.");
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emit pushFilterSyntaxStatus(err_string);
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return;
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}
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break;
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case hex_search_:
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bytes = convert_string_to_hex(sf_ui_->searchLineEdit->text().toUtf8().constData(), &nbytes);
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if (bytes == NULL) {
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err_string = tr("That's not a valid hex string.");
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emit pushFilterSyntaxStatus(err_string);
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return;
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}
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cap_file_->hex = TRUE;
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break;
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case string_search_:
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if (sf_ui_->searchLineEdit->text().isEmpty()) {
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err_string = tr("You didn't specify any text for which to search.");
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emit pushFilterSyntaxStatus(err_string);
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return;
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}
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cap_file_->string = TRUE;
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cap_file_->case_type = sf_ui_->caseCheckBox->isChecked() ? FALSE : TRUE;
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switch (sf_ui_->charEncodingComboBox->currentIndex()) {
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case narrow_and_wide_chars_:
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cap_file_->scs_type = SCS_NARROW_AND_WIDE;
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break;
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case narrow_chars_:
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cap_file_->scs_type = SCS_NARROW;
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break;
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case wide_chars_:
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cap_file_->scs_type = SCS_WIDE;
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break;
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default:
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err_string = tr("No valid character set selected. Please report this to the development team.");
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emit pushFilterSyntaxStatus(err_string);
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return;
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}
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string = convert_string_case(sf_ui_->searchLineEdit->text().toUtf8().constData(), cap_file_->case_type);
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break;
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default:
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err_string = tr("No valid search type selected. Please report this to the development team.");
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emit pushFilterSyntaxStatus(err_string);
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return;
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}
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switch (sf_ui_->searchInComboBox->currentIndex()) {
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case in_packet_list_:
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cap_file_->summary_data = TRUE;
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break;
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case in_proto_tree_:
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cap_file_->decode_data = TRUE;
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break;
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case in_bytes_:
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cap_file_->packet_data = TRUE;
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break;
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default:
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err_string = tr("No valid search area selected. Please report this to the development team.");
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emit pushFilterSyntaxStatus(err_string);
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return;
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}
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g_free(cap_file_->sfilter);
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cap_file_->sfilter = g_strdup(sf_ui_->searchLineEdit->text().toUtf8().constData());
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if (cap_file_->hex) {
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/* Hex value in packet data */
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found_packet = cf_find_packet_data(cap_file_, bytes, nbytes, cap_file_->dir);
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g_free(bytes);
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if (!found_packet) {
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/* We didn't find a packet */
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err_string = tr("No packet contained those bytes.");
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emit pushFilterSyntaxStatus(err_string);
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return;
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}
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} else if (cap_file_->string) {
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if (cap_file_->summary_data) {
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/* String in the Info column of the summary line */
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found_packet = cf_find_packet_summary_line(cap_file_, string, cap_file_->dir);
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g_free(string);
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if (!found_packet) {
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err_string = tr("No packet contained that string in its Info column.");
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emit pushFilterSyntaxStatus(err_string);
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return;
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}
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} else if (cap_file_->decode_data) {
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/* String in the protocol tree headings */
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found_packet = cf_find_packet_protocol_tree(cap_file_, string, cap_file_->dir);
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g_free(string);
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if (!found_packet) {
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err_string = tr("No packet contained that string in its dissected display.");
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emit pushFilterSyntaxStatus(err_string);
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return;
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}
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} else if (cap_file_->packet_data && string) {
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/* String in the ASCII-converted packet data */
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found_packet = cf_find_packet_data(cap_file_, (guint8 *) string, strlen(string), cap_file_->dir);
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g_free(string);
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if (!found_packet) {
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err_string = tr("No packet contained that string in its converted data.");
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emit pushFilterSyntaxStatus(err_string);
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return;
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}
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}
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} else {
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/* Search via display filter */
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found_packet = cf_find_packet_dfilter(cap_file_, dfp, cap_file_->dir);
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dfilter_free(dfp);
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if (!found_packet) {
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err_string = tr("No packet matched that filter.");
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emit pushFilterSyntaxStatus(err_string);
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g_free(bytes);
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return;
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}
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}
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}
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void SearchFrame::on_cancelButton_clicked()
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{
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animatedHide();
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}
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void SearchFrame::changeEvent(QEvent* event)
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{
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if (0 != event)
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{
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switch (event->type())
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{
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case QEvent::LanguageChange:
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sf_ui_->retranslateUi(this);
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break;
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default:
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break;
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}
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}
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AccordionFrame::changeEvent(event);
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}
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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