1 files changed, 508 insertions, 0 deletions

diff --git a/ui/qt/voip_calls_dialog.cpp b/ui/qt/voip_calls_dialog.cpp
new file mode 100644
index 0000000000..aee0e08121
--- /dev/null
+++ b/ui/qt/voip_calls_dialog.cpp
@@ -0,0 +1,508 @@
+/* voip_calls_dialog.cpp
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "voip_calls_dialog.h"
+#include "ui_voip_calls_dialog.h"
+
+#include "file.h"
+
+#include "epan/addr_resolv.h"
+#include "epan/dissectors/packet-h225.h"
+
+#include "ui/utf8_entities.h"
+
+#include "sequence_dialog.h"
+#include "stock_icon.h"
+#include "wireshark_application.h"
+
+#include <QContextMenuEvent>
+#include <QPushButton>
+
+// To do:
+// - More context menu items
+//   - Don't select on right click
+// - Player
+// - Add a screenshot to the user's guide
+
+// Bugs:
+// - Preparing a filter overwrites the existing filter. The GTK+ UI appends.
+//   We'll probably have to add an "append" parameter to MainWindow::filterPackets.
+
+// VoipCallsTreeWidgetItem
+// QTreeWidgetItem subclass that allows sorting
+
+const int start_time_col_ = 0;
+const int stop_time_col_ = 1;
+const int initial_speaker_col_ = 2;
+const int from_col_ = 3;
+const int to_col_ = 4;
+const int protocol_col_ = 5;
+const int packets_col_ = 6;
+const int state_col_ = 7;
+const int comments_col_ = 8;
+
+Q_DECLARE_METATYPE(voip_calls_info_t*)
+
+class VoipCallsTreeWidgetItem : public QTreeWidgetItem
+{
+public:
+    VoipCallsTreeWidgetItem(QTreeWidget *tree, voip_calls_info_t *call_info) : QTreeWidgetItem(tree) {
+        setData(0, Qt::UserRole, qVariantFromValue(call_info));
+        drawData();
+    }
+
+    void drawData() {
+        voip_calls_info_t *call_info = data(0, Qt::UserRole).value<voip_calls_info_t*>();
+        if (!call_info) {
+            return;
+        }
+
+        // XXX Pull digit count from capture file precision
+        setText(start_time_col_, QString::number(nstime_to_sec(&(call_info->start_rel_ts)), 'f', 6));
+        setText(stop_time_col_, QString::number(nstime_to_sec(&(call_info->stop_rel_ts)), 'f', 6));
+        setText(initial_speaker_col_, ep_address_to_display(&(call_info->initial_speaker)));
+        setText(from_col_, call_info->from_identity);
+        setText(to_col_, call_info->to_identity);
+        setText(protocol_col_, ((call_info->protocol == VOIP_COMMON) && call_info->protocol_name) ?
+                        call_info->protocol_name : voip_protocol_name[call_info->protocol]);
+        setText(packets_col_, QString::number(call_info->npackets));
+        setText(state_col_, voip_call_state_name[call_info->call_state]);
+
+        /* Add comments based on the protocol */
+        QString call_comments;
+        switch (call_info->protocol) {
+        case VOIP_ISUP:
+        {
+            isup_calls_info_t *isup_info = (isup_calls_info_t *)call_info->prot_info;
+            call_comments = QString("%1-%2 %3 %4-%5")
+                    .arg(isup_info->ni)
+                    .arg(isup_info->opc)
+                    .arg(UTF8_RIGHTWARDS_ARROW)
+                    .arg(isup_info->ni)
+                    .arg(isup_info->dpc);
+        }
+            break;
+        case VOIP_H323:
+        {
+            h323_calls_info_t *h323_info = (h323_calls_info_t *)call_info->prot_info;
+            gboolean flag = FALSE;
+            static const QString on_str = QObject::tr("On");
+            static const QString off_str = QObject::tr("Off");
+            if (call_info->call_state == VOIP_CALL_SETUP) {
+                flag = h323_info->is_faststart_Setup;
+            } else {
+                if ((h323_info->is_faststart_Setup) && (h323_info->is_faststart_Proc)) {
+                    flag = TRUE;
+                }
+            }
+            call_comments = QObject::tr("Tunneling: %1  Fast Start: %2")
+                    .arg(h323_info->is_h245Tunneling ? on_str : off_str)
+                    .arg(flag ? on_str : off_str);
+        }
+            break;
+        case VOIP_COMMON:
+        default:
+            call_comments = call_info->call_comment;
+            break;
+        }
+        setText(comments_col_, call_comments);
+    }
+
+    bool operator< (const QTreeWidgetItem &other) const
+    {
+        voip_calls_info_t *this_call_info = data(0, Qt::UserRole).value<voip_calls_info_t*>();
+        voip_calls_info_t *other_call_info = other.data(0, Qt::UserRole).value<voip_calls_info_t*>();
+        if (!this_call_info || !other_call_info) {
+            return false;
+        }
+
+        switch (treeWidget()->sortColumn()) {
+        case start_time_col_:
+            return nstime_cmp(&(this_call_info->start_rel_ts), &(other_call_info->start_rel_ts)) < 0;
+            break;
+        case stop_time_col_:
+            return nstime_cmp(&(this_call_info->stop_rel_ts), &(other_call_info->stop_rel_ts)) < 0;
+            break;
+        case initial_speaker_col_:
+            return cmp_address(&(this_call_info->initial_speaker), &(other_call_info->initial_speaker)) < 0;
+            break;
+        case packets_col_:
+            return this_call_info->npackets < other_call_info->npackets;
+            break;
+        default:
+            break;
+        }
+
+        // Fall back to string comparison
+        return QTreeWidgetItem::operator <(other);
+    }
+
+};
+
+VoipCallsDialog::VoipCallsDialog(QWidget *parent, capture_file *cf, bool all_flows) :
+    QDialog(parent),
+    ui(new Ui::VoipCallsDialog),
+    cap_file_(cf)
+{
+    ui->setupUi(this);
+    ui->callTreeWidget->sortByColumn(start_time_col_, Qt::AscendingOrder);
+
+    ctx_menu_.addActions(QList<QAction *>() << ui->actionSelect_All);
+
+    prepare_button_ = ui->buttonBox->addButton(tr("Prepare Filter"), QDialogButtonBox::ApplyRole);
+    sequence_button_ = ui->buttonBox->addButton(tr("Flow Sequence"), QDialogButtonBox::ApplyRole);
+    player_button_ = ui->buttonBox->addButton(tr("Play Call"), QDialogButtonBox::ApplyRole);
+    player_button_->setIcon(StockIcon("media-playback-start"));
+
+    // XXX Use recent settings instead
+    if (parent) {
+        resize(parent->width() * 4 / 5, parent->height() * 2 / 3);
+    }
+
+    memset (&tapinfo_, 0, sizeof(tapinfo_));
+    tapinfo_.tap_packet = tapPacket;
+    tapinfo_.tap_draw = tapDraw;
+    tapinfo_.tap_data = this;
+    tapinfo_.callsinfos = g_queue_new();
+    tapinfo_.h225_cstype = H225_OTHER;
+    tapinfo_.fs_option = all_flows ? FLOW_ALL : FLOW_ONLY_INVITES; /* flow show option */
+    tapinfo_.graph_analysis = sequence_analysis_info_new();
+    tapinfo_.graph_analysis->type = SEQ_ANALYSIS_VOIP;
+
+    voip_calls_init_all_taps(&tapinfo_);
+
+    updateWidgets();
+
+    if (cap_file_) {
+        tapinfo_.session = cap_file_->epan;
+        cf_retap_packets(cap_file_);
+    }
+}
+
+VoipCallsDialog::~VoipCallsDialog()
+{
+    delete ui;
+
+    voip_calls_remove_all_tap_listeners(&tapinfo_);
+    sequence_analysis_info_free(tapinfo_.graph_analysis);
+}
+
+void VoipCallsDialog::setCaptureFile(capture_file *cf)
+{
+    if (!cf) { // We only want to know when the file closes.
+        voip_calls_remove_all_tap_listeners(&tapinfo_);
+        cap_file_ = NULL;
+        tapinfo_.session = NULL;
+    }
+    emit captureFileChanged(cap_file_);
+    updateWidgets();
+}
+
+void VoipCallsDialog::contextMenuEvent(QContextMenuEvent *event)
+{
+    ctx_menu_.exec(event->globalPos());
+}
+
+void VoipCallsDialog::changeEvent(QEvent *event)
+{
+    if (0 != event)
+    {
+        switch (event->type())
+        {
+        case QEvent::LanguageChange:
+            ui->retranslateUi(this);
+            break;
+        default:
+            break;
+        }
+    }
+    QDialog::changeEvent(event);
+}
+
+//void VoipCallsDialog::tapReset(void *tapinfo_ptr)
+//{
+//    Q_UNUSED(tapinfo_ptr)
+//    voip_calls_tapinfo_t *tapinfo = (voip_calls_tapinfo_t *) tapinfo_ptr;
+//}
+
+gboolean VoipCallsDialog::tapPacket(void *tapinfo_ptr, packet_info *pinfo, epan_dissect_t *, const void *data)
+{
+    Q_UNUSED(tapinfo_ptr)
+    Q_UNUSED(pinfo)
+    Q_UNUSED(data)
+#ifdef QT_MULTIMEDIAWIDGETS_LIB
+//    voip_calls_tapinfo_t *tapinfo = (voip_calls_tapinfo_t *) tapinfo_ptr;
+    // add_rtp_packet for voip player.
+//    return TRUE;
+#endif
+    return FALSE;
+}
+
+void VoipCallsDialog::tapDraw(void *tapinfo_ptr)
+{
+    voip_calls_tapinfo_t *tapinfo = (voip_calls_tapinfo_t *) tapinfo_ptr;
+
+    if (!tapinfo || !tapinfo->redraw) {
+        return;
+    }
+
+    VoipCallsDialog *voip_calls_dialog = static_cast<VoipCallsDialog *>(tapinfo->tap_data);
+    if (voip_calls_dialog) {
+        voip_calls_dialog->updateCalls();
+    }
+}
+
+void VoipCallsDialog::updateCalls()
+{
+    GList *cur_call = g_queue_peek_nth_link(tapinfo_.callsinfos, ui->callTreeWidget->topLevelItemCount());
+    ui->callTreeWidget->setSortingEnabled(false);
+
+    // Add any missing items
+    while (cur_call && cur_call->data) {
+        voip_calls_info_t *call_info = (voip_calls_info_t*) cur_call->data;
+        new VoipCallsTreeWidgetItem(ui->callTreeWidget, call_info);
+        cur_call = g_list_next(cur_call);
+    }
+
+    // Fill in the tree
+    QTreeWidgetItemIterator iter(ui->callTreeWidget);
+    while (*iter) {
+        VoipCallsTreeWidgetItem *vcti = static_cast<VoipCallsTreeWidgetItem*>(*iter);
+        vcti->drawData();
+        ++iter;
+    }
+
+    // Resize columns
+    for (int i = 0; i < ui->callTreeWidget->columnCount(); i++) {
+        ui->callTreeWidget->resizeColumnToContents(i);
+    }
+
+    ui->callTreeWidget->setSortingEnabled(true);
+
+    updateWidgets();
+}
+
+void VoipCallsDialog::updateWidgets()
+{
+    bool selected = ui->callTreeWidget->selectedItems().count() > 0 ? true : false;
+    bool have_ga_items = false;
+
+    if (tapinfo_.graph_analysis && tapinfo_.graph_analysis->items) {
+        have_ga_items = true;
+    }
+
+    foreach (QMenu *submenu, ctx_menu_.findChildren<QMenu*>()) {
+        submenu->setEnabled(selected);
+    }
+    prepare_button_->setEnabled(selected && have_ga_items);
+    sequence_button_->setEnabled(selected && have_ga_items);
+#if defined(QT_MULTIMEDIAWIDGETS_LIB) && 0 // We don't have a playback dialog yet.
+    player_button_->setEnabled(selected && have_ga_items);
+#else
+    player_button_->setEnabled(false);
+    player_button_->setText(tr("No Audio"));
+#endif
+}
+
+void VoipCallsDialog::prepareFilter()
+{
+    if (ui->callTreeWidget->selectedItems().count() < 1 || !tapinfo_.graph_analysis) {
+        return;
+    }
+
+    QString filter_str;
+    QSet<guint16> selected_calls;
+
+    /* Build a new filter based on frame numbers */
+    const char *or_prepend = "";
+    foreach (QTreeWidgetItem *ti, ui->callTreeWidget->selectedItems()) {
+        voip_calls_info_t *call_info = ti->data(0, Qt::UserRole).value<voip_calls_info_t*>();
+        selected_calls << call_info->call_num;
+    }
+
+    GList *cur_ga_item = g_queue_peek_nth_link(tapinfo_.graph_analysis->items, 0);
+    while (cur_ga_item && cur_ga_item->data) {
+        seq_analysis_item_t *ga_item = (seq_analysis_item_t*) cur_ga_item->data;
+        if (selected_calls.contains(ga_item->conv_num)) {
+            filter_str += QString("%1frame.number == %2").arg(or_prepend).arg(ga_item->fd->num);
+            or_prepend = " or ";
+        }
+        cur_ga_item = g_list_next(cur_ga_item);
+    }
+
+#if 0
+    // XXX The GTK+ UI falls back to building a filter based on protocols if the filter
+    // length is too long. Leaving this here for the time being in case we need to do
+    // the same in the Qt UI.
+    const sip_calls_info_t *sipinfo;
+    const isup_calls_info_t *isupinfo;
+    const h323_calls_info_t *h323info;
+    const h245_address_t *h245_add = NULL;
+    const gcp_ctx_t* ctx;
+
+    if (filter_length < max_filter_length) {
+        gtk_editable_insert_text(GTK_EDITABLE(main_display_filter_widget), filter_string_fwd->str, -1, &pos);
+    } else {
+        g_string_free(filter_string_fwd, TRUE);
+        filter_string_fwd = g_string_new(filter_prepend);
+
+        g_string_append_printf(filter_string_fwd, "(");
+        is_first = TRUE;
+        /* Build a new filter based on protocol fields */
+        lista = g_queue_peek_nth_link(voip_calls_get_info()->callsinfos, 0);
+        while (lista) {
+            listinfo = (voip_calls_info_t *)lista->data;
+            if (listinfo->selected) {
+                if (!is_first)
+                    g_string_append_printf(filter_string_fwd, " or ");
+                switch (listinfo->protocol) {
+                case VOIP_SIP:
+                    sipinfo = (sip_calls_info_t *)listinfo->prot_info;
+                    g_string_append_printf(filter_string_fwd,
+                        "(sip.Call-ID == \"%s\")",
+                        sipinfo->call_identifier
+                    );
+                    break;
+                case VOIP_ISUP:
+                    isupinfo = (isup_calls_info_t *)listinfo->prot_info;
+                    g_string_append_printf(filter_string_fwd,
+                        "(isup.cic == %i and frame.number >= %i and frame.number <= %i and mtp3.network_indicator == %i and ((mtp3.dpc == %i) and (mtp3.opc == %i)) or ((mtp3.dpc == %i) and (mtp3.opc == %i)))",
+                        isupinfo->cic, listinfo->start_fd->num,
+                        listinfo->stop_fd->num,
+                        isupinfo->ni, isupinfo->dpc, isupinfo->opc,
+                        isupinfo->opc, isupinfo->dpc
+                    );
+                    break;
+                case VOIP_H323:
+                    h323info = (h323_calls_info_t *)listinfo->prot_info;
+                    g_string_append_printf(filter_string_fwd,
+                        "((h225.guid == %s || q931.call_ref == %x:%x || q931.call_ref == %x:%x)",
+                        guid_to_ep_str(&h323info->guid[0]),
+                        (guint8) (h323info->q931_crv & 0x00ff),
+                        (guint8)((h323info->q931_crv & 0xff00)>>8),
+                        (guint8) (h323info->q931_crv2 & 0x00ff),
+                        (guint8)((h323info->q931_crv2 & 0xff00)>>8));
+                    listb = g_list_first(h323info->h245_list);
+                    while (listb) {
+                        h245_add = (h245_address_t *)listb->data;
+                        g_string_append_printf(filter_string_fwd,
+                            " || (ip.addr == %s && tcp.port == %d && h245)",
+                            ip_to_str((guint8 *)(h245_add->h245_address.data)), h245_add->h245_port);
+                        listb = g_list_next(listb);
+                    }
+                    g_string_append_printf(filter_string_fwd, ")");
+                    break;
+                case TEL_H248:
+                    ctx = (gcp_ctx_t *)listinfo->prot_info;
+                    g_string_append_printf(filter_string_fwd,
+                        "(h248.ctx == 0x%x)", ctx->id);
+                    break;
+                default:
+                    /* placeholder to assure valid display filter expression */
+                    g_string_append_printf(filter_string_fwd,
+                        "(frame)");
+                    break;
+                }
+                is_first = FALSE;
+            }
+            lista = g_list_next(lista);
+        }
+
+        g_string_append_printf(filter_string_fwd, ")");
+        gtk_editable_insert_text(GTK_EDITABLE(main_display_filter_widget), filter_string_fwd->str, -1, &pos);
+    }
+#endif
+
+    emit updateFilter(filter_str);
+}
+
+void VoipCallsDialog::showSequence()
+{
+    if (!cap_file_) return;
+
+    QSet<guint16> selected_calls;
+    foreach (QTreeWidgetItem *ti, ui->callTreeWidget->selectedItems()) {
+        voip_calls_info_t *call_info = ti->data(0, Qt::UserRole).value<voip_calls_info_t*>();
+        selected_calls << call_info->call_num;
+    }
+
+    sequence_analysis_list_sort(tapinfo_.graph_analysis);
+    GList *cur_ga_item = g_queue_peek_nth_link(tapinfo_.graph_analysis->items, 0);
+    while (cur_ga_item && cur_ga_item->data) {
+        seq_analysis_item_t *ga_item = (seq_analysis_item_t*) cur_ga_item->data;
+        ga_item->display = selected_calls.contains(ga_item->conv_num);
+        cur_ga_item = g_list_next(cur_ga_item);
+    }
+
+    SequenceDialog *sequence_dialog = new SequenceDialog(this, cap_file_, tapinfo_.graph_analysis);
+    // XXX This goes away when we close the VoIP Calls dialog.
+    connect(sequence_dialog, SIGNAL(goToPacket(int)),
+            this, SIGNAL(goToPacket(int)));
+    connect(this, SIGNAL(captureFileChanged(capture_file*)),
+            sequence_dialog, SLOT(setCaptureFile(capture_file*)));
+    sequence_dialog->show();
+}
+
+void VoipCallsDialog::on_callTreeWidget_itemActivated(QTreeWidgetItem *item, int)
+{
+    voip_calls_info_t *call_info = item->data(0, Qt::UserRole).value<voip_calls_info_t*>();
+    if (!call_info) {
+        return;
+    }
+    emit goToPacket(call_info->start_fd->num);
+}
+
+void VoipCallsDialog::on_callTreeWidget_itemSelectionChanged()
+{
+    updateWidgets();
+}
+
+void VoipCallsDialog::on_actionSelect_All_triggered()
+{
+    ui->callTreeWidget->selectAll();
+}
+
+void VoipCallsDialog::on_buttonBox_clicked(QAbstractButton *button)
+{
+    if (button == prepare_button_) {
+        prepareFilter();
+    } else if (button == sequence_button_) {
+        showSequence();
+    }
+}
+
+void VoipCallsDialog::on_buttonBox_helpRequested()
+{
+    wsApp->helpTopicAction(HELP_TELEPHONY_VOIP_CALLS_DIALOG);
+}
+
+/*
+ * Editor modelines
+ *
+ * Local Variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */