diff options
Diffstat (limited to 'ui/qt/packet_dialog.cpp')
| -rw-r--r-- | ui/qt/packet_dialog.cpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/ui/qt/packet_dialog.cpp b/ui/qt/packet_dialog.cpp new file mode 100644 index 0000000..8bf7a3b --- /dev/null +++ b/ui/qt/packet_dialog.cpp @@ -0,0 +1,211 @@ +/* packet_dialog.cpp + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "packet_dialog.h" +#include <ui_packet_dialog.h> + +#include "file.h" + +#include "epan/column.h" +#include "epan/ftypes/ftypes.h" +#include "epan/prefs.h" +#include "ui/preference_utils.h" + +#include "frame_tvbuff.h" + +#include <wsutil/utf8_entities.h> + +#include "byte_view_tab.h" +#include "proto_tree.h" +#include "main_application.h" + +#include <ui/qt/utils/field_information.h> +#include <QTreeWidgetItemIterator> + +// To do: +// - Copy over experimental packet editing code. +// - Fix ElidedText width. + +PacketDialog::PacketDialog(QWidget &parent, CaptureFile &cf, frame_data *fdata) : + WiresharkDialog(parent, cf), + ui(new Ui::PacketDialog), + proto_tree_(NULL), + byte_view_tab_(NULL) +{ + ui->setupUi(this); + loadGeometry(parent.width() * 4 / 5, parent.height() * 4 / 5); + ui->hintLabel->setSmallText(); + + wtap_rec_init(&rec_); + ws_buffer_init(&buf_, 1514); + + edt_.session = NULL; + edt_.tvb = NULL; + edt_.tree = NULL; + + memset(&edt_.pi, 0x0, sizeof(edt_.pi)); + + setWindowSubtitle(tr("Packet %1").arg(fdata->num)); + + if (!cf_read_record(cap_file_.capFile(), fdata, &rec_, &buf_)) { + reject(); + return; + } + + /* proto tree, visible. We need a proto tree if there are custom columns */ + epan_dissect_init(&edt_, cap_file_.capFile()->epan, TRUE, TRUE); + col_custom_prime_edt(&edt_, &(cap_file_.capFile()->cinfo)); + + epan_dissect_run(&edt_, cap_file_.capFile()->cd_t, &rec_, + frame_tvbuff_new_buffer(&cap_file_.capFile()->provider, fdata, &buf_), + fdata, &(cap_file_.capFile()->cinfo)); + epan_dissect_fill_in_columns(&edt_, TRUE, TRUE); + + proto_tree_ = new ProtoTree(ui->packetSplitter, &edt_); + // Do not call proto_tree_->setCaptureFile, ProtoTree only needs the + // dissection context. + proto_tree_->setRootNode(edt_.tree); + + byte_view_tab_ = new ByteViewTab(ui->packetSplitter, &edt_); + byte_view_tab_->setCaptureFile(cap_file_.capFile()); + byte_view_tab_->selectedFrameChanged(QList<int>() << 0); + + ui->packetSplitter->setStretchFactor(1, 0); + + QStringList col_parts; + for (int i = 0; i < cap_file_.capFile()->cinfo.num_cols; ++i) { + // ElidedLabel doesn't support rich text / HTML + col_parts << QString("%1: %2") + .arg(get_column_title(i)) + .arg(get_column_text(&cap_file_.capFile()->cinfo, i)); + } + col_info_ = col_parts.join(" " UTF8_MIDDLE_DOT " "); + + ui->hintLabel->setText(col_info_); + + /* Handle preference value correctly */ + Qt::CheckState state = Qt::Checked; + if (!prefs.gui_packet_details_show_byteview) { + state = Qt::Unchecked; + byte_view_tab_->setVisible(false); + } + ui->chkShowByteView->setCheckState(state); + + connect(mainApp, SIGNAL(zoomMonospaceFont(QFont)), + proto_tree_, SLOT(setMonospaceFont(QFont))); + + connect(byte_view_tab_, SIGNAL(fieldSelected(FieldInformation *)), + proto_tree_, SLOT(selectedFieldChanged(FieldInformation *))); + connect(proto_tree_, SIGNAL(fieldSelected(FieldInformation *)), + byte_view_tab_, SLOT(selectedFieldChanged(FieldInformation *))); + + connect(byte_view_tab_, SIGNAL(fieldHighlight(FieldInformation *)), + this, SLOT(setHintText(FieldInformation *))); + connect(byte_view_tab_, &ByteViewTab::fieldSelected, + this, &PacketDialog::setHintTextSelected); + connect(proto_tree_, &ProtoTree::fieldSelected, + this, &PacketDialog::setHintTextSelected); + + connect(proto_tree_, SIGNAL(showProtocolPreferences(QString)), + this, SIGNAL(showProtocolPreferences(QString))); + connect(proto_tree_, SIGNAL(editProtocolPreference(preference*,pref_module*)), + this, SIGNAL(editProtocolPreference(preference*,pref_module*))); + + connect(ui->chkShowByteView, &QCheckBox::stateChanged, this, &PacketDialog::viewVisibilityStateChanged); +} + +PacketDialog::~PacketDialog() +{ + delete ui; + epan_dissect_cleanup(&edt_); + wtap_rec_cleanup(&rec_); + ws_buffer_free(&buf_); +} + +void PacketDialog::captureFileClosing() +{ + QString closed_title = tr("[%1 closed] " UTF8_MIDDLE_DOT " %2") + .arg(cap_file_.fileName()) + .arg(col_info_); + ui->hintLabel->setText(closed_title); + byte_view_tab_->captureFileClosing(); + WiresharkDialog::captureFileClosing(); +} + +void PacketDialog::on_buttonBox_helpRequested() +{ + mainApp->helpTopicAction(HELP_NEW_PACKET_DIALOG); +} + +void PacketDialog::setHintText(FieldInformation * finfo) +{ + QString hint; + + if (finfo) + { + FieldInformation::Position pos = finfo->position(); + QString field_str; + + if (pos.length < 2) { + hint = QString(tr("Byte %1")).arg(pos.start); + } else { + hint = QString(tr("Bytes %1-%2")).arg(pos.start).arg(pos.start + pos.length - 1); + } + hint += QString(": %1 (%2)") + .arg(finfo->headerInfo().name) + .arg(finfo->headerInfo().abbreviation); + } + else { + hint = col_info_; + } + ui->hintLabel->setText(hint); +} + +void PacketDialog::setHintTextSelected(FieldInformation* finfo) +{ + QString hint; + + if (finfo) + { + FieldInformation::HeaderInfo hInfo = finfo->headerInfo(); + + if (hInfo.isValid) + { + if (hInfo.description.length() > 0) { + hint.append(hInfo.description); + } + else { + hint.append(hInfo.name); + } + } + + if (!hint.isEmpty()) { + int finfo_length; + if (hInfo.isValid) + hint.append(" (" + hInfo.abbreviation + ")"); + + finfo_length = finfo->position().length + finfo->appendix().length; + if (finfo_length > 0) { + hint.append(", " + tr("%Ln byte(s)", "", finfo_length)); + } + } + } + else { + hint = col_info_; + } + ui->hintLabel->setText(hint); +} + +void PacketDialog::viewVisibilityStateChanged(int state) +{ + byte_view_tab_->setVisible(state == Qt::Checked); + + prefs.gui_packet_details_show_byteview = (state == Qt::Checked ? TRUE : FALSE); + prefs_main_write(); +} |