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/* remote_capture_dialog.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
// XXX This shouldn't exist. These controls should be in ManageInterfacesDialog instead.
#include "config.h"
#ifdef HAVE_PCAP_REMOTE
#include <ui/qt/utils/qt_ui_utils.h>
#include <ui/qt/utils/variant_pointer.h>
#include "ui/capture_globals.h"
#include "remote_capture_dialog.h"
#include <ui_remote_capture_dialog.h>
#include "capture_opts.h"
#include "capture/capture-pcap-util.h"
#include "ui/capture_ui_utils.h"
#include "epan/prefs.h"
#include "epan/to_str.h"
#include "ui/ws_ui_util.h"
#include "ui/recent.h"
#include <QMessageBox>
RemoteCaptureDialog::RemoteCaptureDialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::RemoteCaptureDialog)
{
ui->setupUi(this);
fillComboBox();
connect(ui->buttonBox, SIGNAL(accepted()), this, SLOT(apply_remote()));
connect(this, SIGNAL(remoteAdded(GList *, remote_options*)), parent, SIGNAL(remoteAdded(GList *, remote_options*)));
connect(ui->hostCombo, &QComboBox::currentTextChanged, this, &RemoteCaptureDialog::hostChanged);
}
RemoteCaptureDialog::~RemoteCaptureDialog()
{
delete ui;
}
void RemoteCaptureDialog::hostChanged(const QString host)
{
if (!host.compare(tr("Clear list"))) {
recent_free_remote_host_list();
ui->hostCombo->clear();
} else {
const struct remote_host *rh = nullptr;
int index = ui->hostCombo->findText(host);
if (index != -1) {
rh = VariantPointer<const struct remote_host>::asPtr(ui->hostCombo->itemData(index));
}
if (rh) {
ui->portText->setText(QString(rh->remote_port));
if (rh->auth_type == CAPTURE_AUTH_NULL) {
ui->nullAuth->setChecked(true);
} else {
ui->pwAuth->setChecked(true);
}
}
}
}
static void fillBox(void *value, void *user_data)
{
QComboBox *cb = (QComboBox *)user_data;
struct remote_host* rh = (struct remote_host*)value;
cb->addItem(QString((char*)rh->r_host), VariantPointer<const struct remote_host>::asQVariant(rh));
}
void RemoteCaptureDialog::fillComboBox()
{
int remote_host_list_size;
ui->hostCombo->addItem(QString(""));
remote_host_list_size = recent_get_remote_host_list_size();
if (remote_host_list_size > 0) {
recent_remote_host_list_foreach(fillBox, ui->hostCombo);
ui->hostCombo->insertSeparator(remote_host_list_size+1);
ui->hostCombo->addItem(QString(tr("Clear list")));
}
}
void RemoteCaptureDialog::apply_remote()
{
int err;
char *err_str;
remote_options global_remote_opts;
QString host = ui->hostCombo->currentText();
if (host.isEmpty()) {
return;
}
global_remote_opts.src_type = CAPTURE_IFREMOTE;
global_remote_opts.remote_host_opts.remote_host = qstring_strdup(host);
QString port = ui->portText->text();
global_remote_opts.remote_host_opts.remote_port = qstring_strdup(port);
if (ui->pwAuth->isChecked()) {
global_remote_opts.remote_host_opts.auth_type = CAPTURE_AUTH_PWD;
} else {
global_remote_opts.remote_host_opts.auth_type = CAPTURE_AUTH_NULL;
}
QString user = ui->userText->text();
global_remote_opts.remote_host_opts.auth_username = qstring_strdup(user);
QString pw = ui->pwText->text();
global_remote_opts.remote_host_opts.auth_password = qstring_strdup(pw);
global_remote_opts.remote_host_opts.datatx_udp = false;
global_remote_opts.remote_host_opts.nocap_rpcap = true;
global_remote_opts.remote_host_opts.nocap_local = false;
#ifdef HAVE_PCAP_SETSAMPLING
global_remote_opts.sampling_method = CAPTURE_SAMP_NONE;
global_remote_opts.sampling_param = 0;
#endif
GList *rlist = get_remote_interface_list(global_remote_opts.remote_host_opts.remote_host,
global_remote_opts.remote_host_opts.remote_port,
global_remote_opts.remote_host_opts.auth_type,
global_remote_opts.remote_host_opts.auth_username,
global_remote_opts.remote_host_opts.auth_password,
&err, &err_str);
if (rlist == NULL) {
if (err == 0)
QMessageBox::warning(this, tr("Error"), tr("No remote interfaces found."));
else if (err == CANT_GET_INTERFACE_LIST)
QMessageBox::critical(this, tr("Error"), err_str);
else if (err == DONT_HAVE_PCAP)
QMessageBox::critical(this, tr("Error"), tr("PCAP not found"));
else
QMessageBox::critical(this, tr("Error"), "Unknown error");
return;
}
// Add the remote host even if it already exists, to update the port and
// auth type and move it to the front.
struct remote_host* rh;
rh = (struct remote_host *)g_malloc (sizeof (*rh));
rh->r_host = qstring_strdup(host);
rh->remote_port = qstring_strdup(port);
rh->auth_type = global_remote_opts.remote_host_opts.auth_type;
rh->auth_password = g_strdup("");
rh->auth_username = g_strdup("");
recent_add_remote_host(global_remote_opts.remote_host_opts.remote_host, rh);
// We don't need to add the new entry to hostCombo since we only call
// this when accepting the dialog.
// Tell the parent ManageInterfacesDialog we added this.
// XXX: If the remote hostname already exists in ManageInterfacesDialog,
// this doesn't remove it. Most of the time it won't, but there is the
// corner case of a host existing with empty (hence default, 2002) port,
// and then adding it a second time explicitly starting port 2002.
// Someone could bind rpcapd to multiple ports on the same host for
// some reason too, I suppose.
emit remoteAdded(rlist, &global_remote_opts);
}
void RemoteCaptureDialog::on_pwAuth_toggled(bool checked)
{
if (checked) {
ui->userLabel->setEnabled(true);
ui->userText->setEnabled(true);
ui->pwLabel->setEnabled(true);
ui->pwText->setEnabled(true);
}
}
void RemoteCaptureDialog::on_nullAuth_toggled(bool checked)
{
if (checked) {
ui->userLabel->setEnabled(false);
ui->userText->setEnabled(false);
ui->pwLabel->setEnabled(false);
ui->pwText->setEnabled(false);
}
}
#endif /* HAVE_PCAP_REMOTE */
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