bool _execUpdater(bool update = true) {
static const int MaxLen = 65536, MaxArgsCount = 128;
char path[MaxLen] = {0};
QByteArray data(QFile::encodeName(cExeDir() + "Updater"));
memcpy(path, data.constData(), data.size());
char *args[MaxArgsCount] = {0}, p_noupdate[] = "-noupdate", p_autostart[] = "-autostart", p_debug[] = "-debug", p_tosettings[] = "-tosettings", p_key[] = "-key", p_path[] = "-workpath", p_startintray[] = "-startintray", p_testmode[] = "-testmode";
char p_datafile[MaxLen] = {0}, p_pathbuf[MaxLen] = {0};
int argIndex = 0;
args[argIndex++] = path;
if (!update) {
args[argIndex++] = p_noupdate;
args[argIndex++] = p_tosettings;
}
if (cFromAutoStart()) args[argIndex++] = p_autostart;
if (cDebug()) args[argIndex++] = p_debug;
if (cStartInTray()) args[argIndex++] = p_startintray;
if (cTestMode()) args[argIndex++] = p_testmode;
if (cDataFile() != qsl("data")) {
QByteArray dataf = QFile::encodeName(cDataFile());
if (dataf.size() < MaxLen) {
memcpy(p_datafile, dataf.constData(), dataf.size());
args[argIndex++] = p_key;
args[argIndex++] = p_datafile;
}
}
QByteArray pathf = cWorkingDir().toUtf8();
if (pathf.size() < MaxLen) {
memcpy(p_pathbuf, pathf.constData(), pathf.size());
args[argIndex++] = p_path;
args[argIndex++] = p_pathbuf;
}
pid_t pid = fork();
switch (pid) {
case -1: return false;
case 0: execv(path, args); return false;
}
return true;
}
bool Launcher::launchUpdater(UpdaterLaunch action) {
if (cExeName().isEmpty()) {
return false;
}
const auto operation = (action == UpdaterLaunch::JustRelaunch)
? QString()
: (cWriteProtected()
? qsl("runas")
: QString());
const auto binaryPath = (action == UpdaterLaunch::JustRelaunch)
? (cExeDir() + cExeName())
: (cWriteProtected()
? (cWorkingDir() + qsl("tupdates/temp/Updater.exe"))
: (cExeDir() + qsl("Updater.exe")));
auto argumentsList = QStringList();
const auto pushArgument = [&](const QString &argument) {
argumentsList.push_back(argument.trimmed());
};
if (cLaunchMode() == LaunchModeAutoStart) {
pushArgument(qsl("-autostart"));
}
if (Logs::DebugEnabled()) {
pushArgument(qsl("-debug"));
}
if (cStartInTray()) {
pushArgument(qsl("-startintray"));
}
if (cTestMode()) {
pushArgument(qsl("-testmode"));
}
#ifndef TDESKTOP_DISABLE_AUTOUPDATE
if (Core::UpdaterDisabled()) {
pushArgument(qsl("-externalupdater"));
}
#endif // !TDESKTOP_DISABLE_AUTOUPDATE
if (customWorkingDir()) {
pushArgument(qsl("-workdir"));
pushArgument('"' + cWorkingDir() + '"');
}
if (cDataFile() != qsl("data")) {
pushArgument(qsl("-key"));
pushArgument('"' + cDataFile() + '"');
}
if (action == UpdaterLaunch::JustRelaunch) {
pushArgument(qsl("-noupdate"));
if (cRestartingToSettings()) {
pushArgument(qsl("-tosettings"));
}
} else {
pushArgument(qsl("-update"));
pushArgument(qsl("-exename"));
pushArgument('"' + cExeName() + '"');
if (cWriteProtected()) {
pushArgument(qsl("-writeprotected"));
pushArgument('"' + cExeDir() + '"');
}
}
return launch(operation, binaryPath, argumentsList);
}