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/*
* tlskeylog_launcher_dialog.c
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <config.h>
#include "tlskeylog_launcher_dialog.h"
#include <ui_tlskeylog_launcher_dialog.h>
#include "main_application.h"
#include "ui/qt/widgets/wireshark_file_dialog.h"
#include "wsutil/report_message.h"
#include <models/pref_models.h>
#include <epan/prefs-int.h>
#include <ui/preference_utils.h>
TLSKeylogDialog::TLSKeylogDialog(QWidget &parent) :
QDialog(&parent),
ui(new Ui::TLSKeylogDialog),
pref_tls_keylog_(nullptr),
pref_tlskeylog_command_(nullptr)
{
ui->setupUi(this);
QString title(tr("Launch application with SSLKEYLOGFILE"));
setWindowTitle(mainApp->windowTitleString(title));
QPushButton *launch_button = ui->buttonBox->addButton(tr("Launch"), QDialogButtonBox::ActionRole);
launch_button->setDefault(true);
connect(launch_button, &QPushButton::clicked, this, &TLSKeylogDialog::on_launchActivated);
QPushButton *save_button = ui->buttonBox->addButton(tr("Save"), QDialogButtonBox::ApplyRole);
connect(save_button, &QPushButton::clicked, this, &TLSKeylogDialog::on_saveActivated);
QPushButton *reset_button = ui->buttonBox->button(QDialogButtonBox::Reset);
connect(reset_button, &QPushButton::clicked, this, &TLSKeylogDialog::on_resetActivated);
connect(ui->keylogPushButton, &QPushButton::clicked, this, &TLSKeylogDialog::on_browseKeylogPath);
connect(ui->programPushbutton, &QPushButton::clicked, this, &TLSKeylogDialog::on_browseProgramPath);
tls_module_ = prefs_find_module("tls");
if (tls_module_) {
pref_tls_keylog_ = prefs_find_preference(tls_module_, "keylog_file");
if (pref_tls_keylog_) {
const char *path = prefs_get_string_value(pref_tls_keylog_, pref_current);
if (path && *path) {
ui->keylogLineEdit->setText(QString(path));
}
}
}
gui_module_ = prefs_find_module("gui");
ws_assert(gui_module_);
pref_tlskeylog_command_ = prefs_find_preference(gui_module_, "tlskeylog_command");
ws_assert(pref_tlskeylog_command_);
const char *path = prefs_get_string_value(pref_tlskeylog_command_, pref_current);
if (path && *path) {
ui->commandLineEdit->setText(QString(path));
}
}
TLSKeylogDialog::~TLSKeylogDialog()
{
delete ui;
}
void TLSKeylogDialog::on_saveActivated()
{
int changed;
if (pref_tls_keylog_) {
QString keylog = ui->keylogLineEdit->text();
changed = prefs_set_string_value(pref_tls_keylog_, qUtf8Printable(keylog), pref_current);
tls_module_->prefs_changed_flags |= changed;
}
QString command = ui->commandLineEdit->text();
changed = prefs_set_string_value(pref_tlskeylog_command_, qUtf8Printable(command), pref_current);
gui_module_->prefs_changed_flags |= changed;
prefs_main_write();
}
#if (QT_VERSION < QT_VERSION_CHECK(5, 15, 0))
// Splits the string \a command into a list of tokens, and returns the list.
//
// Tokens with spaces can be surrounded by double quotes; three
// consecutive double quotes represent the quote character itself.
//
// Copied from Qt 5.15.2
static QStringList splitCommand(QStringView command)
{
QStringList args;
QString tmp;
int quoteCount = 0;
bool inQuote = false;
// handle quoting. tokens can be surrounded by double quotes
// "hello world". three consecutive double quotes represent
// the quote character itself.
for (int i = 0; i < command.size(); ++i) {
if (command.at(i) == QLatin1Char('"')) {
++quoteCount;
if (quoteCount == 3) {
// third consecutive quote
quoteCount = 0;
tmp += command.at(i);
}
continue;
}
if (quoteCount) {
if (quoteCount == 1)
inQuote = !inQuote;
quoteCount = 0;
}
if (!inQuote && command.at(i).isSpace()) {
if (!tmp.isEmpty()) {
args += tmp;
tmp.clear();
}
} else {
tmp += command.at(i);
}
}
if (!tmp.isEmpty())
args += tmp;
return args;
}
#endif
void TLSKeylogDialog::on_launchActivated()
{
QProcess externalProcess;
QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
QString keylog = ui->keylogLineEdit->text();
if (keylog.isEmpty())
return;
QString command = ui->commandLineEdit->text();
if (command.isEmpty())
return;
#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
QStringList commandArgs = QProcess::splitCommand(command);
#else
QStringList commandArgs = splitCommand(command);
#endif
if (commandArgs.isEmpty())
return;
// This should work with command lines such as:
// - firefox
// - firefox -profile /tmp/ff
// - /usr/bin/firefox -profile /tmp/ff
// - "C:\Program Files\Mozilla Firefox\firefox.exe"
// - "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome" --user-data-dir=/tmp/cr
externalProcess.setProgram(commandArgs.takeFirst());
externalProcess.setArguments(commandArgs);
env.insert("SSLKEYLOGFILE", keylog);
externalProcess.setProcessEnvironment(env);
bool ok = externalProcess.startDetached();
if (ok) {
return;
}
QString error = externalProcess.errorString();
if (!error.isEmpty())
report_failure("Error launching command: %s", qUtf8Printable(error));
else
report_failure("Error launching command");
}
// Restore user preferences
void TLSKeylogDialog::on_resetActivated()
{
QString keylog_path;
QString tlskeylog_command;
if (pref_tls_keylog_) {
keylog_path = prefs_get_string_value(pref_tls_keylog_, pref_current);
ui->keylogLineEdit->setText(keylog_path);
}
tlskeylog_command = prefs_get_string_value(pref_tlskeylog_command_, pref_current);
ui->commandLineEdit->setText(tlskeylog_command);
}
void TLSKeylogDialog::on_browseKeylogPath()
{
QString caption = mainApp->windowTitleString(tr("TLS Keylog file"));
QString file_name = WiresharkFileDialog::getSaveFileName(this, caption,
mainApp->openDialogInitialDir().path());
if (!file_name.isEmpty()) {
ui->keylogLineEdit->setText(file_name);
}
}
void TLSKeylogDialog::on_browseProgramPath()
{
QString caption = mainApp->windowTitleString(tr("Program to start with SSLKEYLOGFILE"));
QString file_name = WiresharkFileDialog::getOpenFileName(this, caption);
if (file_name.isEmpty()) {
return;
}
#ifdef Q_OS_MAC
if (file_name.endsWith(".app")) {
QString base_name = QFileInfo(file_name).baseName();
QString bundle_exe_name = QString("%1/Contents/MacOS/%2").arg(file_name, base_name);
if (QFile::exists(bundle_exe_name)) {
file_name = bundle_exe_name;
}
}
#endif
// If the program contains spaces, quote it to ensure it is not broken up
// into multiple arguments.
if (file_name.contains(" ")) {
file_name = QString("\"%1\"").arg(file_name);
}
ui->commandLineEdit->setText(file_name);
}
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