tdesktop/Telegram/SourceFiles/platform/linux/launcher_linux.cpp

154 lines
3.6 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "platform/linux/launcher_linux.h"
#include "core/crash_reports.h"
#include "core/update_checker.h"
#include "webview/platform/linux/webview_linux_webkit2gtk.h"
#include <QtWidgets/QApplication>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <cstdlib>
#include <unistd.h>
#include <dirent.h>
#include <pwd.h>
namespace Platform {
namespace {
Launcher *LauncherInstance = nullptr;
class Arguments {
public:
void push(QByteArray argument) {
argument.append(char(0));
_argumentValues.push_back(argument);
_arguments.push_back(_argumentValues.back().data());
}
char **result() {
_arguments.push_back(nullptr);
return _arguments.data();
}
private:
std::vector<QByteArray> _argumentValues;
std::vector<char*> _arguments;
};
} // namespace
Launcher::Launcher(int argc, char *argv[])
: Core::Launcher(argc, argv)
, _arguments(argv, argv + argc) {
Expects(LauncherInstance == nullptr);
LauncherInstance = this;
}
Launcher &Launcher::Instance() {
Expects(LauncherInstance != nullptr);
return *LauncherInstance;
}
int Launcher::exec() {
for (auto i = begin(_arguments), e = end(_arguments); i != e; ++i) {
if (*i == "-webviewhelper" && std::distance(i, e) > 1) {
Webview::WebKit2Gtk::SetSocketPath(*(i + 1));
return Webview::WebKit2Gtk::Exec();
}
}
return Core::Launcher::exec();
}
void Launcher::initHook() {
QApplication::setAttribute(Qt::AA_DisableSessionManager, true);
}
bool Launcher::launchUpdater(UpdaterLaunch action) {
if (cExeName().isEmpty()) {
return false;
}
const auto binaryPath = (action == UpdaterLaunch::JustRelaunch)
? (cExeDir() + cExeName())
: (cWriteProtected()
? (cWorkingDir() + u"tupdates/temp/Updater"_q)
: (cExeDir() + u"Updater"_q));
auto argumentsList = Arguments();
if (action == UpdaterLaunch::PerformUpdate && cWriteProtected()) {
argumentsList.push("pkexec");
}
argumentsList.push(QFile::encodeName(binaryPath));
if (cLaunchMode() == LaunchModeAutoStart) {
argumentsList.push("-autostart");
}
if (Logs::DebugEnabled()) {
argumentsList.push("-debug");
}
if (cStartInTray()) {
argumentsList.push("-startintray");
}
if (cDataFile() != u"data"_q) {
argumentsList.push("-key");
argumentsList.push(QFile::encodeName(cDataFile()));
}
if (action == UpdaterLaunch::JustRelaunch) {
argumentsList.push("-noupdate");
argumentsList.push("-tosettings");
if (customWorkingDir()) {
argumentsList.push("-workdir");
argumentsList.push(QFile::encodeName(cWorkingDir()));
}
} else {
argumentsList.push("-workpath");
argumentsList.push(QFile::encodeName(cWorkingDir()));
argumentsList.push("-exename");
argumentsList.push(QFile::encodeName(cExeName()));
argumentsList.push("-exepath");
argumentsList.push(QFile::encodeName(cExeDir()));
if (customWorkingDir()) {
argumentsList.push("-workdir_custom");
}
if (cWriteProtected()) {
argumentsList.push("-writeprotected");
}
}
Logs::closeMain();
CrashReports::Finish();
const auto args = argumentsList.result();
pid_t pid = fork();
switch (pid) {
case -1: return false;
case 0: execvp(args[0], args); return false;
}
// pkexec needs an alive parent
if (action == UpdaterLaunch::PerformUpdate && cWriteProtected()) {
waitpid(pid, nullptr, 0);
// launch new version in the same environment
return launchUpdater(UpdaterLaunch::JustRelaunch);
}
return true;
}
} // namespace