looqs/gui/main.cpp

238 rader
6.9 KiB
C++
Normal vy Historik

#include <QApplication>
#include <QSettings>
#include <QMessageBox>
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#include <QStandardPaths>
#include <QProcess>
#include <QDir>
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#include <QCommandLineParser>
#include <QFileInfo>
#include "mainwindow.h"
#include "searchresult.h"
#include "previewresultpdf.h"
#include "../shared/common.h"
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#include "../shared/sandboxedprocessor.h"
#include "../shared/dbmigrator.h"
#include "../shared/logger.h"
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#include "../submodules/exile.h/exile.h"
#include "ipcserver.h"
void enableIpcSandbox()
{
struct exile_policy *policy = exile_create_policy();
if(policy == NULL)
{
qCritical() << "Failed to init policy for sandbox";
exit(EXIT_FAILURE);
}
policy->namespace_options = EXILE_UNSHARE_USER | EXILE_UNSHARE_MOUNT | EXILE_UNSHARE_NETWORK;
policy->no_new_privs = 1;
policy->drop_caps = 1;
policy->vow_promises = exile_vows_from_str("thread cpath rpath wpath unix stdio proc error");
policy->mount_path_policies_to_chroot = 1;
QString ipcSocketPath = Common::ipcSocketPath();
QFileInfo info{ipcSocketPath};
QString ipcSocketPathDir = info.absolutePath();
std::string stdIpcSocketPath = ipcSocketPathDir.toStdString();
/* we only need the 'server' side of the 'unix' vow (for unix sockets)'. The process
* has no business to connect anywhere.
*
* Maybe this case should be handled by exile at some point, but for now deal with it here */
exile_append_syscall_policy(policy, EXILE_SYS(connect), EXILE_SYSCALL_DENY_RET_ERROR, NULL, 0);
/* ALLOW_EXEC is needed for fallback, not in landlock mode. It does not allow executing anything though here
* due to the vows */
exile_append_path_policies(policy, EXILE_FS_ALLOW_ALL_READ | EXILE_FS_ALLOW_EXEC, "/");
exile_append_path_policies(policy, EXILE_FS_ALLOW_ALL_READ | EXILE_FS_ALLOW_ALL_WRITE | EXILE_FS_ALLOW_EXEC,
stdIpcSocketPath.c_str());
int ret = exile_enable_policy(policy);
if(ret != 0)
{
qDebug() << "Failed to establish sandbox" << Qt::endl;
exit(EXIT_FAILURE);
}
/* Arguments are irrelevant for sandbox test, just want to silence analyzer/compiler warnings */
ret = socket(AF_INET, SOCK_STREAM, 0);
if(ret != -1 || errno != EACCES)
{
qCritical() << "Sandbox sanity check failed" << Qt::endl;
exit(EXIT_FAILURE);
}
const struct sockaddr *addr = {};
ret = connect(3, addr, sizeof(*addr));
if(ret != -1 || errno != EACCES)
{
qCritical() << "Sandbox sanity check failed" << Qt::endl;
exit(EXIT_FAILURE);
}
exile_free_policy(policy);
}
int main(int argc, char *argv[])
{
QString socketPath = Common::ipcSocketPath();
if(argc > 1)
{
QString arg = argv[1];
if(arg == "ipc")
{
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Common::setupAppInfo();
if(Common::noSandboxModeRequested())
{
qInfo() << "Launching with no sandbox!" << Qt::endl;
}
else
{
enableIpcSandbox();
}
QCoreApplication a(argc, argv);
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IpcServer *ipcserver = new IpcServer();
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qDebug() << "Launching IPC Server";
if(!ipcserver->startSpawner(socketPath))
{
qCritical() << "Error failed to spawn" << Qt::endl;
return 1;
}
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qDebug() << "Launched IPC Server";
return a.exec();
}
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if(arg == "process")
{
Common::setupAppInfo();
QCoreApplication a(argc, argv);
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QStringList args = a.arguments();
if(args.length() < 3)
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{
qDebug() << "Filename is required";
return 1;
}
QString file = args.at(2);
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SandboxedProcessor processor(file);
return static_cast<int>(processor.process());
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}
}
QString ipcSocketPath = Common::ipcSocketPath();
QFileInfo info{ipcSocketPath};
QString ipcSocketPathDir = info.absolutePath();
QDir dir;
if(!dir.mkpath(ipcSocketPathDir))
{
qCritical() << "Failed to create dir for ipc socket" << Qt::endl;
exit(EXIT_FAILURE);
}
QProcess process;
QStringList args;
args << "ipc";
process.setProcessChannelMode(QProcess::ForwardedChannels);
process.start("/proc/self/exe", args);
if(!process.waitForStarted(5000))
{
QString errorMsg = "Failed to start IPC server";
qDebug() << errorMsg;
QMessageBox::critical(nullptr, "Error", errorMsg);
}
Common::setupAppInfo();
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QCommandLineParser parser;
QStringList appArgs;
for(int i = 0; i < argc; i++)
{
appArgs.append(argv[i]);
}
parser.parse(appArgs);
QApplication a(argc, argv);
try
{
Common::ensureConfigured();
DatabaseFactory factory{Common::databasePath()};
DBMigrator migrator{factory};
if(migrator.migrationNeeded())
{
auto answer = QMessageBox::question(nullptr, "Proceed with upgrade?",
"A database upgrade is required. This might take a few minutes. Say "
"'yes' to start upgrade, 'no' to exit.");
if(answer == QMessageBox::No)
{
a.quit();
return 0;
}
QFile out;
out.open(stderr, QIODevice::WriteOnly);
Logger migrationLogger{&out};
migrationLogger << "Database is being upgraded, please be patient..." << Qt::endl;
QThread migratorThread;
migrator.moveToThread(&migratorThread);
migratorThread.start();
QProgressDialog progressDialog;
QObject::connect(&migrator, &DBMigrator::migrationDone,
[&migrationLogger](uint32_t migration)
{ migrationLogger << "Progress: Successfully migrated to: " << migration << Qt::endl; });
QObject::connect(&migrator, &DBMigrator::done, &progressDialog, &QProgressDialog::reset);
QObject::connect(&migrator, &DBMigrator::error,
[&](QString error)
{
QMetaObject::invokeMethod(qApp,
[error]
{
Logger::error() << error << Qt::endl;
QMessageBox::critical(nullptr, "Error during upgrade",
error);
exit(EXIT_FAILURE);
}
);
});
QTimer::singleShot(0, &migrator, &DBMigrator::start);
progressDialog.setWindowTitle("Upgrading database");
progressDialog.setLabelText("Upgrading database - this might take several minutes, please wait");
progressDialog.setWindowModality(Qt::ApplicationModal);
progressDialog.setMinimum(0);
progressDialog.setMaximum(0);
progressDialog.setValue(0);
progressDialog.setCancelButton(nullptr);
progressDialog.exec();
migrationLogger << "Database has been successfully upgraded" << Qt::endl;
migratorThread.quit();
}
}
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catch(LooqsGeneralException &e)
{
qDebug() << e.message;
QMessageBox::critical(nullptr, "Error", e.message);
return 1;
}
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a.setWindowIcon(QIcon(":/looqs.svg"));
QObject::connect(&a, &QApplication::aboutToQuit, &process, &QProcess::kill);
qRegisterMetaType<QVector<SearchResult>>("QVector<SearchResult>");
qRegisterMetaType<QVector<PreviewResultPdf>>("QVector<PreviewResultPdf>");
qRegisterMetaType<PreviewResultPdf>("PreviewResultPdf");
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qRegisterMetaType<FileScanResult>("FileScanResult");
qRegisterMetaType<RenderConfig>("RenderConfig");
qRegisterMetaType<QVector<RenderTarget>>("QVector<RenderTarget>");
qRegisterMetaType<QSharedPointer<PreviewResult>>("QSharedPointer<PreviewResult>");
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MainWindow *w = new MainWindow{0, socketPath};
w->showMaximized();
int ret = a.exec();
process.waitForFinished(1000);
return ret;
}