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// Copyright 2005-2017 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 "murmur_pch.h"
#ifdef Q_OS_WIN
#include "Tray.h"
#include "About.h"
#endif
#include "Server.h"
#include "ServerDB.h"
#include "DBus.h"
#include "Meta.h"
#include "Version.h"
#include "SSL.h"
#include "License.h"
#include "LogEmitter.h"
#ifdef Q_OS_UNIX
#include "UnixMurmur.h"
#endif
QFile *qfLog = NULL;
static bool bVerbose = false;
#ifdef QT_NO_DEBUG
static bool detach = true;
#else
static bool detach = false;
#endif
#ifdef Q_OS_UNIX
static UnixMurmur *unixMurmur = NULL;
#endif
Meta *meta = NULL;
static LogEmitter le;
static QStringList qlErrors;
static void murmurMessageOutputQString(QtMsgType type, const QString &msg) {
#ifdef Q_OS_UNIX
if (unixMurmur->logToSyslog) {
int level;
switch (type) {
case QtDebugMsg:
level = LOG_DEBUG;
break;
case QtWarningMsg:
level = LOG_WARNING;
break;
case QtCriticalMsg:
level = LOG_CRIT;
break;
case QtFatalMsg:
default:
level = LOG_ALERT;
break;
}
syslog(level, "%s", qPrintable(msg));
if (type == QtFatalMsg) {
exit(1);
}
return;
}
#endif
char c;
switch (type) {
case QtDebugMsg:
if (! bVerbose)
return;
c='D';
break;
case QtWarningMsg:
c='W';
break;
case QtCriticalMsg:
c='C';
break;
case QtFatalMsg:
c='F';
break;
default:
c='X';
}
QString m= QString::fromLatin1("<%1>%2 %3").arg(QChar::fromLatin1(c)).arg(QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss.zzz")).arg(msg);
if (! qfLog || ! qfLog->isOpen()) {
#ifdef Q_OS_UNIX
if (! detach)
fprintf(stderr, "%s\n", qPrintable(m));
else
qlErrors << m;
#else
qlErrors << m;
#ifndef QT_NO_DEBUG
fprintf(stderr, "%s\n", qPrintable(m));
#endif
#endif
} else {
if (! qlErrors.isEmpty()) {
foreach(const QString &e, qlErrors) {
qfLog->write(e.toUtf8());
qfLog->write("\n");
}
qlErrors.clear();
}
qfLog->write(m.toUtf8());
qfLog->write("\n");
qfLog->flush();
}
le.addLogEntry(m);
if (type == QtFatalMsg) {
#ifdef Q_OS_UNIX
if (detach) {
if (qlErrors.isEmpty())
qlErrors << msg;
qlErrors << QString();
m = qlErrors.join(QLatin1String("\n"));
fprintf(stderr, "%s", qPrintable(m));
}
#else
::MessageBoxA(NULL, qPrintable(m), "Murmur", MB_OK | MB_ICONWARNING);
#endif
exit(1);
}
}
#if QT_VERSION >= 0x050000
static void murmurMessageOutputWithContext(QtMsgType type, const QMessageLogContext &ctx, const QString &msg) {
Q_UNUSED(ctx);
murmurMessageOutputQString(type, msg);
}
#else
static void murmurMessageOutput(QtMsgType type, const char *msg) {
murmurMessageOutputQString(type, QString::fromUtf8(msg));
}
#endif
#ifdef USE_ICE
void IceParse(int &argc, char *argv[]);
void IceStart();
void IceStop();
#endif
#ifdef USE_GRPC
// From MurmurGRPCImpl.cpp.
void GRPCStart();
void GRPCStop();
#endif
int main(int argc, char **argv) {
// Check for SSE and MMX, but only in the windows binaries
#ifdef Q_OS_WIN
int cpuinfo[4];
__cpuid(cpuinfo, 1);
#define MMXSSE 0x02800000
if ((cpuinfo[3] & MMXSSE) != MMXSSE) {
::MessageBoxA(NULL, "Mumble requires a SSE capable processor (Pentium 3 / Ahtlon-XP)", "Mumble", MB_OK | MB_ICONERROR);
exit(0);
}
SetDllDirectory(L"");
#endif
int res;
#ifdef USE_ICE
IceParse(argc, argv);
#endif
#ifdef Q_OS_WIN
QApplication a(argc, argv);
a.setQuitOnLastWindowClosed(false);
QIcon icon;
icon.addFile(QLatin1String(":/murmur.16x16.png"));
icon.addFile(QLatin1String(":/murmur.32x32.png"));
icon.addFile(QLatin1String(":/murmur.64x64.png"));
a.setWindowIcon(icon);
#else
#ifndef Q_OS_MAC
setenv("AVAHI_COMPAT_NOWARN", "1", 1);
#endif
QCoreApplication a(argc, argv);
UnixMurmur unixhandler;
unixMurmur = &unixhandler;
unixhandler.initialcap();
#endif
a.setApplicationName("Murmur");
a.setOrganizationName("Mumble");
a.setOrganizationDomain("mumble.sourceforge.net");
MumbleSSL::initialize();
QTextCodec::setCodecForLocale(QTextCodec::codecForName("UTF-8"));
#if QT_VERSION < 0x050000
QTextCodec::setCodecForCStrings(QTextCodec::codecForName("UTF-8"));
#endif
#ifdef Q_OS_WIN
{
size_t reqSize;
_wgetenv_s(&reqSize, NULL, 0, L"PATH");
if (reqSize > 0) {
STACKVAR(wchar_t, buff, reqSize+1);
_wgetenv_s(&reqSize, buff, reqSize, L"PATH");
QString path = QString::fromLatin1("%1;%2").arg(QDir::toNativeSeparators(a.applicationDirPath())).arg(QString::fromWCharArray(buff));
STACKVAR(wchar_t, buffout, path.length() + 1);
path.toWCharArray(buffout);
_wputenv_s(L"PATH", buffout);
}
}
#endif
QString inifile;
QString supw;
bool disableSu = false;
bool wipeSsl = false;
bool wipeLogs = false;
int sunum = 1;
#ifdef Q_OS_UNIX
bool readPw = false;
#endif
qsrand(QDateTime::currentDateTime().toTime_t());
#if QT_VERSION >= 0x050000
qInstallMessageHandler(murmurMessageOutputWithContext);
#else
qInstallMsgHandler(murmurMessageOutput);
#endif
#ifdef Q_OS_WIN
Tray tray(NULL, &le);
#endif
QStringList args = a.arguments();
for (int i = 1; i < args.size(); i++) {
bool bLast = false;
QString arg = args.at(i).toLower();
if ((arg == "-supw")) {
detach = false;
if (i+1 < args.size()) {
i++;
supw = args.at(i);
if (i+1 < args.size()) {
i++;
sunum = args.at(i).toInt();
}
bLast = true;
} else {
#ifdef Q_OS_UNIX
qFatal("-supw expects the password on the command line - maybe you meant -readsupw?");
#else
qFatal("-supw expects the password on the command line");
#endif
}
#ifdef Q_OS_UNIX
} else if ((arg == "-readsupw")) {
detach = false;
readPw = true;
if (i+1 < args.size()) {
i++;
sunum = args.at(i).toInt();
}
bLast = true;
#endif
} else if ((arg == "-disablesu")) {
detach = false;
disableSu = true;
if (i+1 < args.size()) {
i++;
sunum = args.at(i).toInt();
}
bLast = true;
} else if ((arg == "-ini") && (i+1 < args.size())) {
i++;
inifile = args.at(i);
} else if ((arg == "-wipessl")) {
wipeSsl = true;
} else if ((arg == "-wipelogs")) {
wipeLogs = true;
} else if ((arg == "-fg")) {
detach = false;
} else if ((arg == "-v")) {
bVerbose = true;
} else if ((arg == "-version") || (arg == "--version")) {
detach = false;
qFatal("%s -- %s", qPrintable(args.at(0)), MUMBLE_RELEASE);
} else if (args.at(i) == QLatin1String("-license") || args.at(i) == QLatin1String("--license")) {
#ifdef Q_OS_WIN
AboutDialog ad(NULL, AboutDialogOptionsShowLicense);
ad.exec();
return 0;
#else
qFatal("%s\n", qPrintable(License::license()));
#endif
} else if (args.at(i) == QLatin1String("-authors") || args.at(i) == QLatin1String("--authors")) {
#ifdef Q_OS_WIN
AboutDialog ad(NULL, AboutDialogOptionsShowAuthors);
ad.exec();
return 0;
#else
qFatal("%s\n", qPrintable(License::authors()));
#endif
} else if (args.at(i) == QLatin1String("-third-party-licenses") || args.at(i) == QLatin1String("--third-party-licenses")) {
#ifdef Q_OS_WIN
AboutDialog ad(NULL, AboutDialogOptionsShowThirdPartyLicenses);
ad.exec();
return 0;
#else
qFatal("%s", qPrintable(License::printableThirdPartyLicenseInfo()));
#endif
} else if ((arg == "-h") || (arg == "-help") || (arg == "--help")) {
detach = false;
qFatal("Usage: %s [-ini <inifile>] [-supw <password>]\n"
" -ini <inifile> Specify ini file to use.\n"
" -supw <pw> [srv] Set password for 'SuperUser' account on server srv.\n"
#ifdef Q_OS_UNIX
" -readsupw [srv] Reads password for server srv from standard input.\n"
#endif
" -disablesu [srv] Disable password for 'SuperUser' account on server srv.\n"
#ifdef Q_OS_UNIX
" -limits Tests and shows how many file descriptors and threads can be created.\n"
" The purpose of this option is to test how many clients Murmur can handle.\n"
" Murmur will exit after this test.\n"
#endif
" -v Add verbose output.\n"
#ifdef Q_OS_UNIX
" -fg Don't detach from console.\n"
#else
" -fg Don't write to the log file.\n"
#endif
" -wipessl Remove SSL certificates from database.\n"
" -wipelogs Remove all log entries from database.\n"
" -version Show version information.\n"
"\n"
" -license Show Murmur's license.\n"
" -authors Show Murmur's authors.\n"
" -third-party-licenses Show licenses for third-party software used by Murmur.\n"
"\n"
"If no inifile is provided, murmur will search for one in \n"
"default locations.", qPrintable(args.at(0)));
#ifdef Q_OS_UNIX
} else if (arg == "-limits") {
Meta::mp.read(inifile);
unixhandler.setuid();
unixhandler.finalcap();
LimitTest::testLimits(a);
#endif
} else {
detach = false;
qFatal("Unknown argument %s", qPrintable(args.at(i)));
}
if (bLast && (i+1 != args.size())) {
detach = false;
qFatal("Password arguments must be last.");
}
}
#ifdef Q_OS_UNIX
inifile = unixhandler.trySystemIniFiles(inifile);
#endif
Meta::mp.read(inifile);
// need to open log file early so log dir can be root owned:
// http://article.gmane.org/gmane.comp.security.oss.general/4404
#ifdef Q_OS_UNIX
unixhandler.logToSyslog = Meta::mp.qsLogfile == QLatin1String("syslog");
if (detach && ! Meta::mp.qsLogfile.isEmpty() && !unixhandler.logToSyslog) {
#else
if (detach && ! Meta::mp.qsLogfile.isEmpty()) {
#endif
qfLog = new QFile(Meta::mp.qsLogfile);
if (! qfLog->open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::Text)) {
delete qfLog;
qfLog = NULL;
#ifdef Q_OS_UNIX
fprintf(stderr, "murmurd: failed to open logfile %s: no logging will be done\n", qPrintable(Meta::mp.qsLogfile));
#else
qWarning("Failed to open logfile %s. No logging will be performed.", qPrintable(Meta::mp.qsLogfile));
#endif
} else {
qfLog->setTextModeEnabled(true);
QFileInfo qfi(*qfLog);
Meta::mp.qsLogfile = qfi.absoluteFilePath();
#ifdef Q_OS_UNIX
if (Meta::mp.uiUid != 0 && fchown(qfLog->handle(), Meta::mp.uiUid, Meta::mp.uiGid) == -1) {
qFatal("can't change log file owner to %d %d:%d - %s", qfLog->handle(), Meta::mp.uiUid, Meta::mp.uiGid, strerror(errno));
}
#endif
}
#ifdef Q_OS_UNIX
} else if (detach && unixhandler.logToSyslog) {
openlog("murmurd", LOG_PID, LOG_DAEMON);
syslog(LOG_DEBUG, "murmurd syslog adapter up and running");
#endif
} else {
detach = false;
}
#ifdef Q_OS_UNIX
unixhandler.setuid();
#endif
MumbleSSL::addSystemCA();
ServerDB db;
meta = new Meta();
#ifdef Q_OS_UNIX
if (readPw) {
char password[256];
char *p;
printf("Password: ");
fflush(NULL);
if (fgets(password, 255, stdin) != password)
qFatal("No password provided");
p = strchr(password, '\r');
if (p)
*p = 0;
p = strchr(password, '\n');
if (p)
*p = 0;
supw = QLatin1String(password);
}
#endif
if (!supw.isNull()) {
if (supw.isEmpty()) {
qFatal("Superuser password can not be empty");
}
ServerDB::setSUPW(sunum, supw);
qFatal("Superuser password set on server %d", sunum);
}
if (disableSu) {
ServerDB::disableSU(sunum);
qFatal("SuperUser password disabled on server %d", sunum);
}
if (wipeSsl) {
qWarning("Removing all per-server SSL certificates from the database.");
foreach(int sid, ServerDB::getAllServers()) {
ServerDB::setConf(sid, "key");
ServerDB::setConf(sid, "certificate");
ServerDB::setConf(sid, "passphrase");
ServerDB::setConf(sid, "sslDHParams");
}
}
if (wipeLogs) {
qWarning("Removing all log entries from the database.");
ServerDB::wipeLogs();
}
#ifdef Q_OS_UNIX
if (detach) {
if (fork() != 0) {
_exit(0);
}
setsid();
if (fork() != 0) {
_exit(0);
}
if (! Meta::mp.qsPid.isEmpty()) {
QFile pid(Meta::mp.qsPid);
if (pid.open(QIODevice::WriteOnly)) {
QFileInfo fi(pid);
Meta::mp.qsPid = fi.absoluteFilePath();
QTextStream out(&pid);
out << getpid();
pid.close();
}
}
if (chdir("/") != 0)
fprintf(stderr, "Failed to chdir to /");
int fd;
fd = open("/dev/null", O_RDONLY);
dup2(fd, 0);
close(fd);
fd = open("/dev/null", O_WRONLY);
dup2(fd, 1);
close(fd);
fd = open("/dev/null", O_WRONLY);
dup2(fd, 2);
close(fd);
}
unixhandler.finalcap();
#endif
#ifdef USE_DBUS
MurmurDBus::registerTypes();
if (! Meta::mp.qsDBus.isEmpty()) {
if (Meta::mp.qsDBus == "session")
MurmurDBus::qdbc = QDBusConnection::sessionBus();
else if (Meta::mp.qsDBus == "system")
MurmurDBus::qdbc = QDBusConnection::systemBus();
else {
// QtDBus is not quite finished yet.
qWarning("Warning: Peer-to-peer session support is currently nonworking.");
MurmurDBus::qdbc = QDBusConnection::connectToBus(Meta::mp.qsDBus, "mainbus");
if (! MurmurDBus::qdbc.isConnected()) {
QDBusServer *qdbs = new QDBusServer(Meta::mp.qsDBus, &a);
qWarning("%s",qPrintable(qdbs->lastError().name()));
qWarning("%d",qdbs->isConnected());
qWarning("%s",qPrintable(qdbs->address()));
MurmurDBus::qdbc = QDBusConnection::connectToBus(Meta::mp.qsDBus, "mainbus");
}
}
if (! MurmurDBus::qdbc.isConnected()) {
qWarning("Failed to connect to D-Bus %s",qPrintable(Meta::mp.qsDBus));
}
}
new MetaDBus(meta);
if (MurmurDBus::qdbc.isConnected()) {
if (! MurmurDBus::qdbc.registerObject("/", meta) || ! MurmurDBus::qdbc.registerService(Meta::mp.qsDBusService)) {
QDBusError e=MurmurDBus::qdbc.lastError();
qWarning("Failed to register on DBus: %s %s", qPrintable(e.name()), qPrintable(e.message()));
} else {
qWarning("DBus registration succeeded");
}
}
#endif
#ifdef USE_ICE
IceStart();
#endif
#ifdef USE_GRPC
GRPCStart();
#endif
meta->getOSInfo();
int major, minor, patch;
QString strver;
meta->getVersion(major, minor, patch, strver);
qWarning("Murmur %d.%d.%d (%s) running on %s: %s: Booting servers", major, minor, patch, qPrintable(strver), qPrintable(meta->qsOS), qPrintable(meta->qsOSVersion));
meta->bootAll();
res=a.exec();
qWarning("Killing running servers");
meta->killAll();
qWarning("Shutting down");
#ifdef USE_ICE
IceStop();
#endif
#ifdef USE_GRPC
GRPCStop();
#endif
delete qfLog;
qfLog = NULL;
delete meta;
#if QT_VERSION >= 0x050000
qInstallMessageHandler(NULL);
#else
qInstallMsgHandler(NULL);
#endif
#ifdef Q_OS_UNIX
if (! Meta::mp.qsPid.isEmpty()) {
QFile pid(Meta::mp.qsPid);
pid.remove();
}
#endif
return res;
}
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