Manage Interfaces

- Add dialog to manage interfaces
- Add and delete pipes
- Hide local interfaces

Change-Id: I08323c306c2ea736f99e57c28e2fe3170a0c2216
Reviewed-on: https://code.wireshark.org/review/2613
Tested-by: Anders Broman <a.broman58@gmail.com>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Reviewed-by: Michael Tüxen <tuexen@wireshark.org>

1 files changed, 450 insertions, 0 deletions

diff --git a/ui/qt/manage_interfaces_dialog.cpp b/ui/qt/manage_interfaces_dialog.cpp
new file mode 100644
index 0000000000..c11bd8990b
--- /dev/null
+++ b/ui/qt/manage_interfaces_dialog.cpp
@@ -0,0 +1,450 @@
+/* manage_interfaces_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 "config.h"
+#include <glib.h>
+#include "manage_interfaces_dialog.h"
+#include "ui_manage_interfaces_dialog.h"
+#include "epan/prefs.h"
+#include "ui/last_open_dir.h"
+#include "capture_opts.h"
+#include "ui/capture_globals.h"
+#include "ui/qt/capture_interfaces_dialog.h"
+#include "ui/iface_lists.h"
+#include "ui/preference_utils.h"
+
+#ifdef HAVE_LIBPCAP
+#include <QFileDialog>
+#include <QHBoxLayout>
+#include <QMessageBox>
+#include <QCheckBox>
+
+ManageInterfacesDialog::ManageInterfacesDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::ManageInterfacesDialog)
+{
+    ui->setupUi(this);
+
+#ifdef Q_OS_MAC
+    ui->addButton->setAttribute(Qt::WA_MacSmallSize, true);
+    ui->delButton->setAttribute(Qt::WA_MacSmallSize, true);
+#endif
+    ui->pipeList->setItemDelegateForColumn(0, &new_pipe_item_delegate_);
+    new_pipe_item_delegate_.setTable(ui->pipeList);
+    showPipes();
+    connect(this, SIGNAL(ifsChanged()), parent, SIGNAL(ifsChanged()));
+
+    showLocalInterfaces();
+
+#if !defined(HAVE_PCAP_REMOTE)
+    ui->tabWidget->removeTab(2);
+#endif
+}
+
+ManageInterfacesDialog::~ManageInterfacesDialog()
+{
+    delete ui;
+}
+
+
+void ManageInterfacesDialog::showPipes()
+{
+    ui->pipeList->setRowCount(0);
+
+    if (global_capture_opts.all_ifaces->len > 0) {
+        interface_t device;
+
+        for (guint i = 0; i < global_capture_opts.all_ifaces->len; i++) {
+            device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
+
+            /* Continue if capture device is hidden */
+            if (device.hidden || device.type != IF_PIPE) {
+                continue;
+            }
+            ui->pipeList->setRowCount(ui->pipeList->rowCount()+1);
+            QString output = QString(device.display_name);
+            ui->pipeList->setItem(ui->pipeList->rowCount()-1, INTERFACE, new QTableWidgetItem(output));
+        }
+    }
+}
+
+void ManageInterfacesDialog::on_addButton_clicked()
+{
+    ui->pipeList->setRowCount(ui->pipeList->rowCount() + 1);
+    QTableWidgetItem *widget = new QTableWidgetItem(QString(tr("New Pipe")));
+    ui->pipeList->setItem(ui->pipeList->rowCount() - 1 , 0, widget);
+}
+
+
+void ManageInterfacesDialog::on_buttonBox_accepted()
+{
+    interface_t device;
+    gchar *pipe_name;
+
+    for (int row = 0; row < ui->pipeList->rowCount(); row++) {
+        pipe_name = g_strdup(ui->pipeList->item(row,0)->text().toUtf8().constData());
+        if (!strcmp(pipe_name, "New pipe") || !strcmp(pipe_name, "")) {
+            g_free(pipe_name);
+            return;
+        }
+        for (guint i = 0; i < global_capture_opts.all_ifaces->len; i++) {
+          device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
+          if (strcmp(pipe_name, device.name) == 0) {
+            g_free(pipe_name);
+            return;
+          }
+        }
+        device.name         = g_strdup(pipe_name);
+        device.display_name = g_strdup_printf("%s", device.name);
+        device.hidden       = FALSE;
+        device.selected     = TRUE;
+        device.type         = IF_PIPE;
+        device.pmode        = global_capture_opts.default_options.promisc_mode;
+        device.has_snaplen  = global_capture_opts.default_options.has_snaplen;
+        device.snaplen      = global_capture_opts.default_options.snaplen;
+        device.cfilter      = g_strdup(global_capture_opts.default_options.cfilter);
+        device.addresses    = g_strdup("");
+        device.no_addresses = 0;
+        device.last_packets = 0;
+        device.links        = NULL;
+    #if defined(_WIN32) || defined(HAVE_PCAP_CREATE)
+        device.buffer       = DEFAULT_CAPTURE_BUFFER_SIZE;
+    #endif
+        device.active_dlt = -1;
+        device.locked = FALSE;
+        device.if_info.name = g_strdup(pipe_name);
+        device.if_info.friendly_name = NULL;
+        device.if_info.vendor_description = NULL;
+        device.if_info.addrs = NULL;
+        device.if_info.loopback = FALSE;
+        device.if_info.type = IF_PIPE;
+    #if defined(HAVE_PCAP_CREATE)
+        device.monitor_mode_enabled = FALSE;
+        device.monitor_mode_supported = FALSE;
+    #endif
+        global_capture_opts.num_selected++;
+        g_array_append_val(global_capture_opts.all_ifaces, device);
+
+        g_free(pipe_name);
+    }
+    emit ifsChanged();
+}
+
+
+
+void ManageInterfacesDialog::on_delButton_clicked()
+{
+    interface_t device;
+    bool found = false;
+    QList<QTableWidgetItem*> selected = ui->pipeList->selectedItems();
+    if (selected.length() == 0) {
+        QMessageBox::warning(this, tr("Error"),
+                             tr("No interface selected."));
+        return;
+    }
+    QString pipename = selected[0]->text();
+    for (guint i = 0; i < global_capture_opts.all_ifaces->len; i++) {
+        device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
+        /* Continue if capture device is hidden or not a pipe*/
+        if (device.hidden || device.type != IF_PIPE) {
+            continue;
+        }
+        if (pipename.compare(device.name)) {
+            continue;
+        }
+        global_capture_opts.all_ifaces = g_array_remove_index(global_capture_opts.all_ifaces, i);
+        ui->pipeList->removeRow(selected[0]->row());
+        found = true;
+        break;
+    }
+    if (found)
+        emit ifsChanged();
+    else  /* pipe has not been saved yet */
+        ui->pipeList->removeRow(selected[0]->row());
+}
+
+void ManageInterfacesDialog::showLocalInterfaces()
+{
+    guint i;
+    interface_t device;
+    QString output;
+    Qt::ItemFlags eFlags;
+    gchar *pr_descr = g_strdup("");
+    char *comment = NULL;
+
+    ui->localList->setRowCount(0);
+    for (i = 0; i < global_capture_opts.all_ifaces->len; i++) {
+        device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
+        if (device.local && device.type != IF_PIPE && device.type != IF_STDIN) {
+            ui->localList->setRowCount(ui->localList->rowCount()+1);
+            QTableWidgetItem *item = new QTableWidgetItem("");
+            item->setCheckState(device.hidden?Qt::Checked:Qt::Unchecked);
+            ui->localList->setItem(ui->localList->rowCount()-1, HIDE, item);
+            ui->localList->setColumnWidth(HIDE, 40);
+#ifdef _WIN32
+            output = QString(device.friendly_name);
+            ui->localList->setItem(ui->localList->rowCount()-1, FRIENDLY, new QTableWidgetItem(output));
+            eFlags = ui->localList->item(ui->localList->rowCount()-1, FRIENDLY)->flags();
+            eFlags &= Qt::NoItemFlags;
+            eFlags |= Qt::ItemIsSelectable | Qt::ItemIsEnabled;
+            ui->localList->item(ui->localList->rowCount()-1, FRIENDLY)->setFlags(eFlags);
+#else
+            ui->localList->setColumnHidden(FRIENDLY, true);
+#endif
+            output = QString(device.name);
+            ui->localList->setItem(ui->localList->rowCount()-1, LOCAL_NAME, new QTableWidgetItem(output));
+            output = QString("");
+            eFlags = ui->localList->item(ui->localList->rowCount()-1, FRIENDLY)->flags();
+            eFlags &= Qt::NoItemFlags;
+            eFlags |= Qt::ItemIsSelectable | Qt::ItemIsEnabled;
+            ui->localList->item(ui->localList->rowCount()-1, LOCAL_NAME)->setFlags(eFlags);
+
+            comment = capture_dev_user_descr_find(device.name);
+            if (comment)
+                output = QString(comment);
+            ui->localList->setItem(ui->localList->rowCount()-1, COMMENT, new QTableWidgetItem(output));
+        } else {
+          continue;
+        }
+    }
+    g_free(pr_descr);
+}
+
+void ManageInterfacesDialog::saveLocalHideChanges(QTableWidgetItem* item)
+{
+    guint i;
+    interface_t device;
+
+    if (item->column() != HIDE) {
+        return;
+    }
+    QTableWidgetItem* nameItem = ui->localList->item(item->row(), LOCAL_NAME);
+
+    if (!nameItem) {
+        return;
+    }
+
+    QString name = nameItem->text();
+    /* See if this is the currently selected capturing device */
+
+    for (i = 0; i < global_capture_opts.all_ifaces->len; i++) {
+        device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
+        if (name.compare(device.name)) {
+            continue;
+        }
+        device.hidden = (item->checkState()==Qt::Checked?true:false);
+        global_capture_opts.all_ifaces = g_array_remove_index(global_capture_opts.all_ifaces, i);
+        g_array_insert_val(global_capture_opts.all_ifaces, i, device);
+    }
+}
+
+void ManageInterfacesDialog::saveLocalCommentChanges(QTableWidgetItem* item)
+{
+    guint i;
+    interface_t device;
+
+    if (item->column() != COMMENT) {
+        return;
+    }
+    QTableWidgetItem* nameItem = ui->localList->item(item->row(), LOCAL_NAME);
+
+    if (!nameItem) {
+        return;
+    }
+
+    QString name = nameItem->text();
+    QString comment = ui->localList->item(item->row(), COMMENT)->text();
+    /* See if this is the currently selected capturing device */
+
+    for (i = 0; i < global_capture_opts.all_ifaces->len; i++) {
+        device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
+        if (name.compare(device.name)) {
+            continue;
+        }
+        if (!comment.compare("")) {
+            device.display_name = g_strdup_printf("%s", name.toUtf8().constData());
+        } else {
+            device.display_name = g_strdup_printf("%s: %s", comment.toUtf8().constData(), name.toUtf8().constData());
+        }
+        global_capture_opts.all_ifaces = g_array_remove_index(global_capture_opts.all_ifaces, i);
+        g_array_insert_val(global_capture_opts.all_ifaces, i, device);
+    }
+}
+
+
+void ManageInterfacesDialog::checkBoxChanged(QTableWidgetItem* item)
+{
+    guint i;
+    interface_t device;
+
+    if (item->column() != HIDE) {
+        return;
+    }
+    QTableWidgetItem* nameItem = ui->localList->item(item->row(), LOCAL_NAME);
+
+    if (!nameItem) {
+        return;
+    }
+
+    QString name = nameItem->text();
+    /* See if this is the currently selected capturing device */
+
+    for (i = 0; i < global_capture_opts.all_ifaces->len; i++) {
+        device = g_array_index(global_capture_opts.all_ifaces, interface_t, i);
+        if (name.compare(device.name)) {
+            continue;
+        }
+        if (prefs.capture_device && strstr(prefs.capture_device, device.name) && item->checkState() == Qt::Checked) {
+            /* Don't allow current interface to be hidden */
+            QMessageBox::warning(this, tr("Error"),
+                                 tr("Default interface cannot be hidden."));
+            item->setCheckState(Qt::Unchecked);
+            return;
+        }
+    }
+}
+
+void ManageInterfacesDialog::on_localButtonBox_accepted()
+{
+    gchar *new_hide = g_strdup("");
+    gchar *new_comment = NULL;
+    QString name;
+    gchar *tmp_descr = NULL;
+
+    if (global_capture_opts.all_ifaces->len > 0) {
+        new_hide = (gchar*)g_malloc0(MAX_VAL_LEN);
+        for (int row = 0; row < ui->localList->rowCount(); row++) {
+            QTableWidgetItem* hitem = ui->localList->item(row, HIDE);
+            checkBoxChanged(hitem);
+            if (hitem->checkState() == Qt::Checked) {
+                name = ui->localList->item(row, LOCAL_NAME)->text();
+                g_strlcat (new_hide, ",", MAX_VAL_LEN);
+                g_strlcat (new_hide, name.toUtf8().constData(), MAX_VAL_LEN);
+            }
+            saveLocalHideChanges(hitem);
+        }
+        /* write new "hidden" string to preferences */
+        g_free(prefs.capture_devices_hide);
+        prefs.capture_devices_hide = new_hide;
+        hide_interface(g_strdup(new_hide));
+
+        new_comment = (gchar*)g_malloc0(MAX_VAL_LEN);
+        for (int row = 0; row < ui->localList->rowCount(); row++) {
+            name = ui->localList->item(row, LOCAL_NAME)->text();
+            QTableWidgetItem* citem = ui->localList->item(row, COMMENT);
+            if (citem->text().compare("")) {
+                g_strlcat (new_comment, ",", MAX_VAL_LEN);
+                tmp_descr = g_strdup_printf("%s(%s)", name.toUtf8().constData(), citem->text().toUtf8().constData());
+                g_strlcat (new_comment, tmp_descr, MAX_VAL_LEN);
+                g_free(tmp_descr);
+            }
+            saveLocalCommentChanges(citem);
+        }
+        /* write new description string to preferences */
+        if (prefs.capture_devices_descr)
+            g_free(prefs.capture_devices_descr);
+        prefs.capture_devices_descr = new_comment;
+    }
+
+    /* save changes to the preferences file */
+    if (!prefs.gui_use_pref_save) {
+        prefs_main_write();
+    }
+    emit ifsChanged();
+}
+
+
+NewFileDelegate::NewFileDelegate(QObject *parent)
+    : QStyledItemDelegate(parent)
+{
+}
+
+
+NewFileDelegate::~NewFileDelegate()
+{
+}
+
+
+QWidget* NewFileDelegate::createEditor( QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index ) const
+{
+    Q_UNUSED(option);
+    Q_UNUSED(index);
+
+    QWidget * widg = new QWidget(parent);
+    QHBoxLayout *hbox = new QHBoxLayout(widg);
+    widg->setLayout(hbox);
+    QLineEdit *le = new QLineEdit(widg);
+    QPushButton *pb = new QPushButton(widg);
+    pb->setText(QString(tr("Browse...")));
+    le->setText(table->currentItem()->text());
+    hbox->addWidget(le);
+    hbox->addWidget(pb);
+    hbox->setMargin(0);
+
+    connect(le, SIGNAL(textEdited(const QString &)), this, SLOT(setTextField(const QString &)));
+    connect(le, SIGNAL(editingFinished()), this, SLOT(stopEditor()));
+    connect(pb, SIGNAL(pressed()), this, SLOT(browse_button_clicked()));
+    return widg;
+}
+
+void NewFileDelegate::setTextField(const QString &text)
+{
+    table->currentItem()->setText(text);
+}
+
+void NewFileDelegate::stopEditor()
+{
+   closeEditor(table->cellWidget(table->currentRow(), 0));
+}
+
+void NewFileDelegate::browse_button_clicked()
+{
+    char *open_dir = NULL;
+
+    switch (prefs.gui_fileopen_style) {
+
+    case FO_STYLE_LAST_OPENED:
+        open_dir = get_last_open_dir();
+        break;
+
+    case FO_STYLE_SPECIFIED:
+        if (prefs.gui_fileopen_dir[0] != '\0')
+            open_dir = prefs.gui_fileopen_dir;
+        break;
+    }
+    QString file_name = QFileDialog::getOpenFileName(table, tr("Open Pipe"), open_dir);
+    closeEditor(table->cellWidget(table->currentRow(), 0));
+    table->currentItem()->setText(file_name);
+}
+
+#endif /* HAVE_LIBPCAP */
+//
+// Editor modelines  -  http://www.wireshark.org/tools/modelines.html
+//
+// Local variables:
+// c-basic-offset: 4
+// tab-width: 4
+// indent-tabs-mode: nil
+// End:
+//
+// vi: set shiftwidth=4 tabstop=4 expandtab:
+// :indentSize=4:tabSize=4:noTabs=true:
+//