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|
// Copyright 2005-2019 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#include "Overlay.h"
#include "MainWindow.h"
#include "ServerHandler.h"
#include "AudioInput.h"
#include "AudioOutput.h"
#include "AudioWizard.h"
#include "Cert.h"
#include "Database.h"
#include "Log.h"
#include "Plugins.h"
#include "LogEmitter.h"
#include "DeveloperConsole.h"
#include "Global.h"
#include "LCD.h"
#ifdef USE_BONJOUR
#include "BonjourClient.h"
#endif
#ifdef USE_DBUS
#include "DBus.h"
#endif
#ifdef USE_VLD
#include "vld.h"
#endif
#include "VersionCheck.h"
#include "NetworkConfig.h"
#include "CrashReporter.h"
#include "SocketRPC.h"
#include "SSL.h"
#include "MumbleApplication.h"
#include "ApplicationPalette.h"
#include "Themes.h"
#include "UserLockFile.h"
#include "License.h"
#include "EnvUtils.h"
#if defined(Q_OS_WIN) && defined(QT_NO_DEBUG)
#include <shellapi.h> // For CommandLineToArgvW()
#endif
#if defined(USE_STATIC_QT_PLUGINS) && QT_VERSION < 0x050000
Q_IMPORT_PLUGIN(qtaccessiblewidgets)
# ifdef Q_OS_WIN
Q_IMPORT_PLUGIN(qico)
# endif
Q_IMPORT_PLUGIN(qsvg)
Q_IMPORT_PLUGIN(qsvgicon)
# ifdef Q_OS_MAC
Q_IMPORT_PLUGIN(qicnsicon)
# endif
#endif
#ifdef BOOST_NO_EXCEPTIONS
namespace boost {
void throw_exception(std::exception const &) {
qFatal("Boost exception caught!");
}
}
#endif
extern void os_init();
extern char *os_lang;
#ifdef Q_OS_WIN
// from os_early_win.cpp
extern int os_early_init();
// from os_win.cpp
extern HWND mumble_mw_hwnd;
#endif // Q_OS_WIN
#if defined(Q_OS_WIN) && !defined(QT_NO_DEBUG)
extern "C" __declspec(dllexport) int main(int argc, char **argv) {
#else
int main(int argc, char **argv) {
#endif
int res = 0;
#if defined(Q_OS_WIN)
int ret = os_early_init();
if (ret != 0) {
return ret;
}
#endif
QT_REQUIRE_VERSION(argc, argv, "4.4.0");
#if defined(Q_OS_WIN)
SetDllDirectory(L"");
#else
#ifndef Q_OS_MAC
EnvUtils::setenv(QLatin1String("AVAHI_COMPAT_NOWARN"), QLatin1String("1"));
#endif
#endif
// Initialize application object.
MumbleApplication a(argc, argv);
a.setApplicationName(QLatin1String("Mumble"));
a.setOrganizationName(QLatin1String("Mumble"));
a.setOrganizationDomain(QLatin1String("mumble.sourceforge.net"));
a.setQuitOnLastWindowClosed(false);
#if QT_VERSION >= 0x050100
a.setAttribute(Qt::AA_UseHighDpiPixmaps);
#endif
#if QT_VERSION >= 0x050000 && defined(Q_OS_WIN)
a.installNativeEventFilter(&a);
#endif
MumbleSSL::initialize();
#ifdef USE_SBCELT
{
QDir d(a.applicationVersionRootPath());
QString helper = d.absoluteFilePath(QString::fromLatin1("sbcelt-helper"));
EnvUtils::setenv(QLatin1String("SBCELT_HELPER_BINARY"), helper.toUtf8().constData());
}
#endif
Global::g_global_struct = new Global();
qsrand(QDateTime::currentDateTime().toTime_t());
g.le = QSharedPointer<LogEmitter>(new LogEmitter());
g.c = new DeveloperConsole();
os_init();
bool bAllowMultiple = false;
bool suppressIdentity = false;
bool customJackClientName = false;
bool bRpcMode = false;
QString rpcCommand;
QUrl url;
if (a.arguments().count() > 1) {
QStringList args = a.arguments();
for (int i = 1; i < args.count(); ++i) {
if (args.at(i) == QLatin1String("-h") || args.at(i) == QLatin1String("--help")
#if defined(Q_OS_WIN)
|| args.at(i) == QLatin1String("/?")
#endif
) {
QString helpMessage = MainWindow::tr(
"Usage: mumble [options] [<url>]\n"
"\n"
"<url> specifies a URL to connect to after startup instead of showing\n"
"the connection window, and has the following form:\n"
"mumble://[<username>[:<password>]@]<host>[:<port>][/<channel>[/<subchannel>...]][?version=<x.y.z>]\n"
"\n"
"The version query parameter has to be set in order to invoke the\n"
"correct client version. It currently defaults to 1.2.0.\n"
"\n"
"Valid options are:\n"
" -h, --help Show this help text and exit.\n"
" -m, --multiple\n"
" Allow multiple instances of the client to be started.\n"
" -n, --noidentity\n"
" Suppress loading of identity files (i.e., certificates.)\n"
" -jn, --jackname\n"
" Set custom Jack client name.\n"
" --license\n"
" Show the Mumble license.\n"
" --authors\n"
" Show the Mumble authors.\n"
" --third-party-licenses\n"
" Show licenses for third-party software used by Mumble.\n"
"\n"
);
QString rpcHelpBanner = MainWindow::tr(
"Remote controlling Mumble:\n"
"\n"
);
QString rpcHelpMessage = MainWindow::tr(
"Usage: mumble rpc <action> [options]\n"
"\n"
"It is possible to remote control a running instance of Mumble by using\n"
"the 'mumble rpc' command.\n"
"\n"
"Valid actions are:\n"
" mute\n"
" Mute self\n"
" unmute\n"
" Unmute self\n"
" togglemute\n"
" Toggle self-mute status\n"
" deaf\n"
" Deafen self\n"
" undeaf\n"
" Undeafen self\n"
" toggledeaf\n"
" Toggle self-deafen status\n"
"\n"
);
QString helpOutput = helpMessage + rpcHelpBanner + rpcHelpMessage;
if (bRpcMode) {
helpOutput = rpcHelpMessage;
}
#if defined(Q_OS_WIN)
QMessageBox::information(NULL, MainWindow::tr("Invocation"), helpOutput);
#else
printf("%s", qPrintable(helpOutput));
#endif
return 1;
} else if (args.at(i) == QLatin1String("-m") || args.at(i) == QLatin1String("--multiple")) {
bAllowMultiple = true;
} else if (args.at(i) == QLatin1String("-n") || args.at(i) == QLatin1String("--noidentity")) {
suppressIdentity = true;
g.s.bSuppressIdentity = true;
} else if (args.at(i) == QLatin1String("-jn") || args.at(i) == QLatin1String("--jackname")) {
g.s.qsJackClientName = QString(args.at(i+1));
customJackClientName = true;
} else if (args.at(i) == QLatin1String("-license") || args.at(i) == QLatin1String("--license")) {
printf("%s\n", qPrintable(License::license()));
return 0;
} else if (args.at(i) == QLatin1String("-authors") || args.at(i) == QLatin1String("--authors")) {
printf("%s\n", qPrintable(License::authors()));
return 0;
} else if (args.at(i) == QLatin1String("-third-party-licenses") || args.at(i) == QLatin1String("--third-party-licenses")) {
printf("%s", qPrintable(License::printableThirdPartyLicenseInfo()));
return 0;
} else if (args.at(i) == QLatin1String("rpc")) {
bRpcMode = true;
if (args.count() - 1 > i) {
rpcCommand = QString(args.at(i + 1));
}
else {
QString rpcError = MainWindow::tr("Error: No RPC command specified");
#if defined(Q_OS_WIN)
QMessageBox::information(NULL, MainWindow::tr("RPC"), rpcError);
#else
printf("%s\n", qPrintable(rpcError));
#endif
return 1;
}
} else {
if (!bRpcMode) {
QUrl u = QUrl::fromEncoded(args.at(i).toUtf8());
if (u.isValid() && (u.scheme() == QLatin1String("mumble"))) {
url = u;
} else {
QFile f(args.at(i));
if (f.exists()) {
url = QUrl::fromLocalFile(f.fileName());
}
}
}
}
}
}
#ifdef USE_DBUS
#ifdef Q_OS_WIN
// By default, windbus expects the path to dbus-daemon to be in PATH, and the path
// should contain bin\\, and the path to the config is hardcoded as ..\etc
{
size_t reqSize;
if (_wgetenv_s(&reqSize, NULL, 0, L"PATH") != 0)) {
qWarning() << "Failed to get PATH. Not adding application directory to PATH. DBus bindings may not work.";
} else if (reqSize > 0) {
STACKVAR(wchar_t, buff, reqSize+1);
if (_wgetenv_s(&reqSize, buff, reqSize, L"PATH") != 0) {
qWarning() << "Failed to get PATH. Not adding application directory to PATH. DBus bindings may not work.";
} else {
QString path = QString::fromLatin1("%1;%2").arg(QDir::toNativeSeparators(MumbleApplication::instance()->applicationVersionRootPath())).arg(QString::fromWCharArray(buff));
STACKVAR(wchar_t, buffout, path.length() + 1);
path.toWCharArray(buffout);
if (_wputenv_s(L"PATH", buffout) != 0) {
qWarning() << "Failed to set PATH. DBus bindings may not work.";
}
}
}
}
#endif
#endif
if (bRpcMode) {
bool sent = false;
QMap<QString, QVariant> param;
param.insert(rpcCommand, rpcCommand);
sent = SocketRPC::send(QLatin1String("Mumble"), QLatin1String("self"), param);
if (sent) {
return 0;
} else {
return 1;
}
}
if (! bAllowMultiple) {
if (url.isValid()) {
#ifndef USE_DBUS
QMap<QString, QVariant> param;
param.insert(QLatin1String("href"), url);
#endif
bool sent = false;
#ifdef USE_DBUS
QDBusInterface qdbi(QLatin1String("net.sourceforge.mumble.mumble"), QLatin1String("/"), QLatin1String("net.sourceforge.mumble.Mumble"));
QDBusMessage reply=qdbi.call(QLatin1String("openUrl"), QLatin1String(url.toEncoded()));
sent = (reply.type() == QDBusMessage::ReplyMessage);
#else
sent = SocketRPC::send(QLatin1String("Mumble"), QLatin1String("url"), param);
#endif
if (sent)
return 0;
} else {
bool sent = false;
#ifdef USE_DBUS
QDBusInterface qdbi(QLatin1String("net.sourceforge.mumble.mumble"), QLatin1String("/"), QLatin1String("net.sourceforge.mumble.Mumble"));
QDBusMessage reply=qdbi.call(QLatin1String("focus"));
sent = (reply.type() == QDBusMessage::ReplyMessage);
#else
sent = SocketRPC::send(QLatin1String("Mumble"), QLatin1String("focus"));
#endif
if (sent)
return 0;
}
}
#ifdef Q_OS_WIN
// The code above this block is somewhat racy, in that it might not
// be possible to do RPC/DBus if two processes start at almost the
// same time.
//
// In order to be completely sure we don't open multiple copies of
// Mumble, we open a lock file. The file is opened without any sharing
// modes enabled. This gives us exclusive access to the file.
// If another Mumble instance attempts to open the file, it will fail,
// and that instance will know to terminate itself.
UserLockFile userLockFile(g.qdBasePath.filePath(QLatin1String("mumble.lock")));
if (! bAllowMultiple) {
if (!userLockFile.acquire()) {
qWarning("Another process has already acquired the lock file at '%s'. Terminating...", qPrintable(userLockFile.path()));
return 1;
}
}
#endif
// Load preferences
g.s.load();
// Check whether we need to enable accessibility features
#ifdef Q_OS_WIN
// Only windows for now. Could not find any information on how to query this for osx or linux
{
HIGHCONTRAST hc;
hc.cbSize = sizeof(HIGHCONTRAST);
SystemParametersInfo(SPI_GETHIGHCONTRAST, sizeof(HIGHCONTRAST), &hc, 0);
if (hc.dwFlags & HCF_HIGHCONTRASTON)
g.s.bHighContrast = true;
}
#endif
DeferInit::run_initializers();
ApplicationPalette applicationPalette;
Themes::apply();
QString qsSystemLocale = QLocale::system().name();
#ifdef Q_OS_MAC
if (os_lang) {
qWarning("Using Mac OS X system language as locale name");
qsSystemLocale = QLatin1String(os_lang);
}
#endif
const QString locale = g.s.qsLanguage.isEmpty() ? qsSystemLocale : g.s.qsLanguage;
qWarning("Locale is \"%s\" (System: \"%s\")", qPrintable(locale), qPrintable(qsSystemLocale));
QTranslator translator;
if (translator.load(QLatin1String(":mumble_") + locale))
a.installTranslator(&translator);
QTranslator loctranslator;
if (loctranslator.load(QLatin1String("mumble_") + locale, a.applicationDirPath()))
a.installTranslator(&loctranslator); // Can overwrite strings from bundled mumble translation
// With modularization of Qt 5 some - but not all - of the qt_<locale>.ts files have become
// so-called meta catalogues which no longer contain actual translations but refer to other
// more specific ts files like qtbase_<locale>.ts . To successfully load a meta catalogue all
// of its referenced translations must be available. As we do not want to bundle them all
// we now try to load the old qt_<locale>.ts file first and then fall back to loading
// qtbase_<locale>.ts if that failed.
//
// See http://doc.qt.io/qt-5/linguist-programmers.html#deploying-translations for more information
QTranslator qttranslator;
if (qttranslator.load(QLatin1String("qt_") + locale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) { // Try system qt translations
a.installTranslator(&qttranslator);
} else if (qttranslator.load(QLatin1String("qtbase_") + locale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
a.installTranslator(&qttranslator);
} else if (qttranslator.load(QLatin1String(":qt_") + locale)) { // Try bundled translations
a.installTranslator(&qttranslator);
} else if (qttranslator.load(QLatin1String(":qtbase_") + locale)) {
a.installTranslator(&qttranslator);
}
// Initialize proxy settings
NetworkConfig::SetupProxy();
g.nam = new QNetworkAccessManager();
#ifndef NO_CRASH_REPORT
CrashReporter *cr = new CrashReporter();
cr->run();
delete cr;
#endif
// Initialize logger
g.l = new Log();
// Initialize database
g.db = new Database(QLatin1String("main"));
#ifdef USE_BONJOUR
// Initialize bonjour
g.bc = new BonjourClient();
#endif
//TODO: This already loads up the DLL and does some initial hooking, even
// when the OL is disabled. This should either not be done (object instantiation)
// or the dll loading and preparation be delayed to first use.
g.o = new Overlay();
g.o->setActive(g.s.os.bEnable);
g.lcd = new LCD();
// Process any waiting events before initializing our MainWindow.
// The mumble:// URL support for Mac OS X happens through AppleEvents,
// so we need to loop a little before we begin.
a.processEvents();
// Main Window
g.mw=new MainWindow(NULL);
g.mw->show();
#ifdef Q_OS_WIN
// Set mumble_mw_hwnd in os_win.cpp.
// Used by APIs in ASIOInput, DirectSound and GlobalShortcut_win that require a HWND.
mumble_mw_hwnd = GetForegroundWindow();
#endif
#ifdef USE_DBUS
new MumbleDBus(g.mw);
QDBusConnection::sessionBus().registerObject(QLatin1String("/"), g.mw);
QDBusConnection::sessionBus().registerService(QLatin1String("net.sourceforge.mumble.mumble"));
#endif
SocketRPC *srpc = new SocketRPC(QLatin1String("Mumble"));
g.l->log(Log::Information, MainWindow::tr("Welcome to Mumble."));
// Plugins
g.p = new Plugins(NULL);
g.p->rescanPlugins();
Audio::start();
a.setQuitOnLastWindowClosed(false);
// Configuration updates
bool runaudiowizard = false;
if (g.s.uiUpdateCounter == 0) {
// Previous version was an pre 1.2.3 release or this is the first run
runaudiowizard = true;
} else if (g.s.uiUpdateCounter == 1) {
// Previous versions used old idle action style, convert it
if (g.s.iIdleTime == 5 * 60) { // New default
g.s.iaeIdleAction = Settings::Nothing;
} else {
g.s.iIdleTime = 60 * qRound(g.s.iIdleTime / 60.); // Round to minutes
g.s.iaeIdleAction = Settings::Deafen; // Old behavior
}
}
if (runaudiowizard) {
AudioWizard *aw = new AudioWizard(g.mw);
aw->exec();
delete aw;
}
g.s.uiUpdateCounter = 2;
if (! CertWizard::validateCert(g.s.kpCertificate)) {
#if QT_VERSION >= 0x050000
QDir qd(QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation));
#else
QDir qd(QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation));
#endif
QFile qf(qd.absoluteFilePath(QLatin1String("MumbleAutomaticCertificateBackup.p12")));
if (qf.open(QIODevice::ReadOnly | QIODevice::Unbuffered)) {
Settings::KeyPair kp = CertWizard::importCert(qf.readAll());
qf.close();
if (CertWizard::validateCert(kp))
g.s.kpCertificate = kp;
}
if (! CertWizard::validateCert(g.s.kpCertificate)) {
CertWizard *cw = new CertWizard(g.mw);
cw->exec();
delete cw;
if (! CertWizard::validateCert(g.s.kpCertificate)) {
g.s.kpCertificate = CertWizard::generateNewCert();
if (qf.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Unbuffered)) {
qf.write(CertWizard::exportCert(g.s.kpCertificate));
qf.close();
}
}
}
}
if (QDateTime::currentDateTime().daysTo(g.s.kpCertificate.first.first().expiryDate()) < 14)
g.l->log(Log::Warning, CertWizard::tr("<b>Certificate Expiry:</b> Your certificate is about to expire. You need to renew it, or you will no longer be able to connect to servers you are registered on."));
#ifdef QT_NO_DEBUG
#ifndef SNAPSHOT_BUILD
if (g.s.bUpdateCheck)
#endif
new VersionCheck(true, g.mw);
#ifdef SNAPSHOT_BUILD
new VersionCheck(false, g.mw, true);
#endif
#else
g.mw->msgBox(MainWindow::tr("Skipping version check in debug mode."));
#endif
if (g.s.bPluginCheck) {
g.p->checkUpdates();
}
if (url.isValid()) {
OpenURLEvent *oue = new OpenURLEvent(url);
qApp->postEvent(g.mw, oue);
#ifdef Q_OS_MAC
} else if (! a.quLaunchURL.isEmpty()) {
OpenURLEvent *oue = new OpenURLEvent(a.quLaunchURL);
qApp->postEvent(g.mw, oue);
#endif
} else {
g.mw->on_qaServerConnect_triggered(true);
}
if (! g.bQuit)
res=a.exec();
g.s.save();
url.clear();
ServerHandlerPtr sh = g.sh;
if (sh && sh->isRunning()) {
url = sh->getServerURL();
g.db->setShortcuts(g.sh->qbaDigest, g.s.qlShortcuts);
}
Audio::stop();
if (sh)
sh->disconnect();
delete srpc;
g.sh.reset();
while (sh && ! sh.unique())
QThread::yieldCurrentThread();
sh.reset();
delete g.mw;
delete g.nam;
delete g.lcd;
delete g.db;
delete g.p;
delete g.l;
#ifdef USE_BONJOUR
delete g.bc;
#endif
delete g.o;
delete g.c;
g.le.clear();
DeferInit::run_destroyers();
delete Global::g_global_struct;
Global::g_global_struct = NULL;
#ifndef QT_NO_DEBUG
// Hide Qt memory leak.
QSslSocket::setDefaultCaCertificates(QList<QSslCertificate>());
// Release global protobuf memory allocations.
#if (GOOGLE_PROTOBUF_VERSION >= 2001000)
google::protobuf::ShutdownProtobufLibrary();
#endif
#endif
#ifdef Q_OS_WIN
// Release the userLockFile.
//
// It is important that we release it before we attempt to
// restart Mumble (if requested). If we do not release it
// before that, the new instance might not be able to start
// correctly.
userLockFile.release();
#endif
// Tear down OpenSSL state.
MumbleSSL::destroy();
// At this point termination of our process is immenent. We can safely
// launch another version of Mumble. The reason we do an actual
// restart instead of re-creating our data structures is that making
// sure we won't leave state is quite tricky. Mumble has quite a
// few spots which might not consider seeing to basic initializations.
// Until we invest the time to verify this, rather be safe (and a bit slower)
// than sorry (and crash/bug out). Also take care to reconnect if possible.
if (res == MUMBLE_EXIT_CODE_RESTART) {
QStringList arguments;
if (bAllowMultiple) arguments << QLatin1String("--multiple");
if (suppressIdentity) arguments << QLatin1String("--noidentity");
if (customJackClientName) arguments << QLatin1String("--jackname ") + g.s.qsJackClientName;
if (!url.isEmpty()) arguments << url.toString();
qWarning() << "Triggering restart of Mumble with arguments: " << arguments;
#ifdef Q_OS_WIN
// Work around bug related to QTBUG-7645. Mumble has uiaccess=true set
// on windows which makes normal CreateProcess calls (like Qt uses in
// startDetached) fail unless they specifically enable additional priviledges.
// Note that we do not actually require user interaction by UAC nor full admin
// rights but only the right token on launch. Here we use ShellExecuteEx
// which handles this transparently for us.
const std::wstring applicationFilePath = qApp->applicationFilePath().toStdWString();
const std::wstring argumentsString = arguments.join(QLatin1String(" ")).toStdWString();
SHELLEXECUTEINFO si;
ZeroMemory(&si, sizeof(SHELLEXECUTEINFO));
si.cbSize = sizeof(SHELLEXECUTEINFO);
si.lpFile = applicationFilePath.data();
si.lpParameters = argumentsString.data();
bool ok = (ShellExecuteEx(&si) == TRUE);
#else
bool ok = QProcess::startDetached(qApp->applicationFilePath(), arguments);
#endif
if(!ok) {
QMessageBox::warning(NULL,
QApplication::tr("Failed to restart mumble"),
QApplication::tr("Mumble failed to restart itself. Please restart it manually.")
);
return 1;
}
return 0;
}
return res;
}
#if defined(Q_OS_WIN) && defined(QT_NO_DEBUG)
extern "C" __declspec(dllexport) int MumbleMain(HINSTANCE instance, HINSTANCE prevInstance, LPSTR cmdArg, int cmdShow) {
Q_UNUSED(instance)
Q_UNUSED(prevInstance)
Q_UNUSED(cmdArg)
Q_UNUSED(cmdShow)
int argc;
wchar_t **argvW = CommandLineToArgvW(GetCommandLineW(), &argc);
if (argvW == Q_NULLPTR) {
return -1;
}
QVector<QByteArray> argvS;
argvS.reserve(argc);
QVector<char *> argvV(argc, Q_NULLPTR);
for (int i = 0; i < argc; ++i) {
argvS.append(QString::fromWCharArray(argvW[i]).toLocal8Bit());
argvV[i] = argvS.back().data();
}
LocalFree(argvW);
return main(argc, argvV.data());
}
#endif
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