Differential D22438 Diff 61792 src/util/externalcommand.cpp

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src/util/externalcommand.cpp

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20#include "core/device.h" 20​#include "core/device.h"
21#include "core/copysource.h" 21​#include "core/copysource.h"
22#include "core/copytarget.h" 22​#include "core/copytarget.h"
23#include "core/copytargetbytearray.h" 23​#include "core/copytargetbytearray.h"
24#include "core/copysourcedevice.h" 24​#include "core/copysourcedevice.h"
25#include "core/copytargetdevice.h" 25​#include "core/copytargetdevice.h"
26#include "util/globallog.h" 26​#include "util/globallog.h"
27#include "util/externalcommand.h" 27​#include "util/externalcommand.h"
28​#include "util/externalcommand_polkitbackend.h"
29​#include "util/externalcommandhelper.h"
28#include "util/report.h" 30​#include "util/report.h"
29 ​
30#include "externalcommandhelper_interface.h" 31​#include "externalcommandhelper_interface.h"
31 32​
32#include <QCryptographicHash> 33​#include <QtDBus>
33#include <QDBusConnection> ​
34#include <QDBusInterface> ​
35#include <QDBusReply> ​
36#include <QEventLoop> 34​#include <QEventLoop>
37#include <QtGlobal> ​
38#include <QStandardPaths> 35​#include <QStandardPaths>
39#include <QString> 36​#include <QString>
40#include <QStringList> 37​#include <QStringList>
41#include <QTimer> ​
42#include <QThread> 38​#include <QThread>
39​#include <QTimer>
43#include <QVariant> 40​#include <QVariant>
44 41​
45#include <KAuth> ​
46#include <KJob> 42​#include <KJob>
47#include <KLocalizedString> 43​#include <KLocalizedString>
48 44​
45​#include <PolkitQt1/Authority>
46​
49struct ExternalCommandPrivate 47​struct ExternalCommandPrivate
50{ 48​{
51 Report *m_Report; 49​ Report *m_Report;
52 QString m_Command; 50​ QString m_Command;
53 QStringList m_Args; 51​ QStringList m_Args;
54 int m_ExitCode; 52​ int m_ExitCode;
55 QByteArray m_Output; 53​ QByteArray m_Output;
56 QByteArray m_Input; 54​ QByteArray m_Input;
57 DBusThread *m_thread; 55​ DBusThread *m_thread;
58 QProcess::ProcessChannelMode processChannelMode; 56​ QProcess::ProcessChannelMode processChannelMode;
59}; 57​};
60 58​
61KAuth::ExecuteJob* ExternalCommand::m_job; ​
62bool ExternalCommand::helperStarted = false; 59​bool ExternalCommand::helperStarted = false;
63QWidget* ExternalCommand::parent; 60​QWidget* ExternalCommand::parent;
64 61​Auth::PolkitQt1Backend* ExternalCommand::m_authJob;
65 62​
66/** Creates a new ExternalCommand instance without Report. 63​/** Creates a new ExternalCommand instance without Report.
67 @param cmd the command to run 64​ @param cmd the command to run
68 @param args the arguments to pass to the command 65​ @param args the arguments to pass to the command
69*/ 66​*/
70ExternalCommand::ExternalCommand(const QString& cmd, const QStringList& args, const QProcess::ProcessChannelMode processChannelMode) : 67​ExternalCommand::ExternalCommand(const QString& cmd, const QStringList& args, const QProcess::ProcessChannelMode processChannelMode) :
71 d(std::make_unique<ExternalCommandPrivate>()) 68​ d(std::make_unique<ExternalCommandPrivate>())
72{ 69​{
▲ Show 20 Lines • Show All 60 Lines • ▼ Show 20 Line(s)118{
133 130​
134 if ( qEnvironmentVariableIsSet( "KPMCORE_DEBUG" )) 131​ if ( qEnvironmentVariableIsSet( "KPMCORE_DEBUG" ))
135 qDebug() << xi18nc("@info:status", "Command: %1 %2", command(), args().join(QStringLiteral(" "))); 132​ qDebug() << xi18nc("@info:status", "Command: %1 %2", command(), args().join(QStringLiteral(" ")));
136 133​
137 QString cmd = QStandardPaths::findExecutable(command()); 134​ QString cmd = QStandardPaths::findExecutable(command());
138 if (cmd.isEmpty()) 135​ if (cmd.isEmpty())
139 cmd = QStandardPaths::findExecutable(command(), { QStringLiteral("/sbin/"), QStringLiteral("/usr/sbin/"), QStringLiteral("/usr/local/sbin/") }); 136​ cmd = QStandardPaths::findExecutable(command(), { QStringLiteral("/sbin/"), QStringLiteral("/usr/sbin/"), QStringLiteral("/usr/local/sbin/") });
140 137​
141 auto *interface = new org::kde::kpmcore::externalcommand(QStringLiteral("org.kde.kpmcore.externalcommand"), 138​ auto interface = new org::kde::kpmcore::externalcommand(QStringLiteral("org.kde.kpmcore.externalcommand"),
142 QStringLiteral("/Helper"), QDBusConnection::systemBus(), this); 139​ QStringLiteral("/Helper"), QDBusConnection::systemBus(), this);
143 140​
144 interface->setTimeout(10 * 24 * 3600 * 1000); // 10 days 141​ interface->setTimeout(10 * 24 * 3600 * 1000); // 10 days
145 142​
146 bool rval = false; 143​ bool rval = false;
147 144​
148 QDBusPendingCall pcall = interface->start(cmd, args(), d->m_Input, d->processChannelMode); 145​ QDBusPendingCall pcall = interface->start(cmd, args(), d->m_Input, d->processChannelMode);
149 146​
Show All 27 Lines173{
177 bool rval = true; 174​ bool rval = true;
178 const qint64 blockSize = 10 * 1024 * 1024; // number of bytes per block to copy 175​ const qint64 blockSize = 10 * 1024 * 1024; // number of bytes per block to copy
179 176​
180 if (!QDBusConnection::systemBus().isConnected()) { 177​ if (!QDBusConnection::systemBus().isConnected()) {
181 qWarning() << QDBusConnection::systemBus().lastError().message(); 178​ qWarning() << QDBusConnection::systemBus().lastError().message();
182 return false; 179​ return false;
183 } 180​ }
184 181​
185 // TODO KF6:Use new signal-slot syntax 182​ /*Use signals from externalcommandhelper*/
186 connect(m_job, SIGNAL(percent(KJob*, unsigned long)), this, SLOT(emitProgress(KJob*, unsigned long))); 183​ //connect(m_authJob, &ExternalCommandHelper::reportProgress, this, &ExternalCommand::emitReport);
187 connect(m_job, &KAuth::ExecuteJob::newData, this, &ExternalCommand::emitReport); 184​ //connect(m_authJob, &ExternalCommandHelper::progress, this, &ExternalCommand::emitProgress);
188 185​
189 auto *interface = new org::kde::kpmcore::externalcommand(QStringLiteral("org.kde.kpmcore.externalcommand"), 186​ auto interface = new org::kde::kpmcore::externalcommand(QStringLiteral("org.kde.kpmcore.externalcommand"),
190 QStringLiteral("/Helper"), QDBusConnection::systemBus(), this); 187​ QStringLiteral("/Helper"), QDBusConnection::systemBus(), this);
191 interface->setTimeout(10 * 24 * 3600 * 1000); // 10 days 188​ interface->setTimeout(10 * 24 * 3600 * 1000); // 10 days
192 189​
193 QDBusPendingCall pcall = interface->copyblocks(source.path(), source.firstByte(), source.length(), 190​ QDBusPendingCall pcall = interface->copyblocks(source.path(), source.firstByte(), source.length(),
194 target.path(), target.firstByte(), blockSize); 191​ target.path(), target.firstByte(), blockSize);
195 192​
196 QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(pcall, this); 193​ QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(pcall, this);
197 QEventLoop loop; 194​ QEventLoop loop;
▲ Show 20 Lines • Show All 71 Lines • ▼ Show 20 Line(s)265/** Runs the command.
269 @param timeout timeout to use for waiting when starting and when waiting for the process to finish 266​ @param timeout timeout to use for waiting when starting and when waiting for the process to finish
270 @return true on success 267​ @return true on success
271*/ 268​*/
272bool ExternalCommand::run(int timeout) 269​bool ExternalCommand::run(int timeout)
273{ 270​{
274 return start(timeout) /* && exitStatus() == 0*/; 271​ return start(timeout) /* && exitStatus() == 0*/;
275} 272​}
276 273​
277void ExternalCommand::onReadOutput() 274​//void ExternalCommand::onReadOutput()
278{ 275​//{
279// const QByteArray s = readAllStandardOutput(); 276​// const QByteArray s = readAllStandardOutput();
280// 277​//
281// if(m_Output.length() > 10*1024*1024) { // prevent memory overflow for badly corrupted file systems 278​// if(m_Output.length() > 10*1024*1024) { // prevent memory overflow for badly corrupted file systems
282// if (report()) 279​// if (report())
283// report()->line() << xi18nc("@info:status", "(Command is printing too much output)"); 280​// report()->line() << xi18nc("@info:status", "(Command is printing too much output)");
284// return; 281​// return;
285// } 282​// }
286// 283​//
287// m_Output += s; 284​// m_Output += s;
288// 285​//
289// if (report()) 286​// if (report())
290// *report() << QString::fromLocal8Bit(s); 287​// *report() << QString::fromLocal8Bit(s);
291} 288​//}
292 289​
293void ExternalCommand::setCommand(const QString& cmd) 290​void ExternalCommand::setCommand(const QString& cmd)
294{ 291​{
295 d->m_Command = cmd; 292​ d->m_Command = cmd;
296} 293​}
297 294​
298const QString& ExternalCommand::command() const 295​const QString& ExternalCommand::command() const
299{ 296​{
Show All 35 Lines331{
335 return d->m_Report; 332​ return d->m_Report;
336} 333​}
337 334​
338void ExternalCommand::setExitCode(int i) 335​void ExternalCommand::setExitCode(int i)
339{ 336​{
340 d->m_ExitCode = i; 337​ d->m_ExitCode = i;
341} 338​}
342 339​
343/**< Dummy function for QTimer when needed. */ 340​// Dummy function for QTimer
344void ExternalCommand::quit() 341​void ExternalCommand::quit()
345{ 342​{
346 343​
347} 344​}
348 345​
349bool ExternalCommand::startHelper() 346​bool ExternalCommand::startHelper()
350{ 347​{
351 if (!QDBusConnection::systemBus().isConnected()) { 348​ if (!QDBusConnection::systemBus().isConnected()) {
352 qWarning() << QDBusConnection::systemBus().lastError().message(); 349​ qWarning() << QDBusConnection::systemBus().lastError().message();
353 return false; 350​ return false;
354 } 351​ }
355 352​
356 QDBusInterface iface(QStringLiteral("org.kde.kpmcore.helperinterface"), QStringLiteral("/Helper"), QStringLiteral("org.kde.kpmcore.externalcommand"), QDBusConnection::systemBus()); 353​ QDBusInterface iface(QStringLiteral("org.kde.kpmcore.helperinterface"), QStringLiteral("/Helper"), QStringLiteral("org.kde.kpmcore.externalcommand"), QDBusConnection::systemBus());
354​
357 if (iface.isValid()) { 355​ if (iface.isValid()) {
358 exit(0); 356​ exit(0);
359 } 357​ }
360 358​
361 d->m_thread = new DBusThread; 359​ d->m_thread = new DBusThread;
362 d->m_thread->start(); 360​ d->m_thread->start();
363 361​
364 KAuth::Action action = KAuth::Action(QStringLiteral("org.kde.kpmcore.externalcommand.init")); 362​ //////////////////////////////////////
365 action.setHelperId(QStringLiteral("org.kde.kpmcore.externalcommand")); 363​ // Authorize using Polkit backend ///
366 action.setTimeout(10 * 24 * 3600 * 1000); // 10 days 364​ ////////////////////////////////////
367 action.setParentWidget(parent); 365​
368 QVariantMap arguments; 366​ // initialize KDE Polkit daemon
369 action.setArguments(arguments); 367​ m_authJob->initPolkitAgent(QStringLiteral("org.kde.kpmcore.externalcommand.init"), parent);
370 m_job = action.execute(); ​
371 m_job->start(); ​
372 368​
373 // Wait until ExternalCommand Helper is ready (helper sends newData signal just before it enters event loop) 369​ bool isActionAuthorized = m_authJob->authorizeAction(QStringLiteral("org.kde.kpmcore.externalcommand.init"), m_authJob->callerID());
370​
371​ auto authResult = m_authJob->actionStatus(QStringLiteral("org.kde.kpmcore.externalcommand.init"), m_authJob->callerID());
372​
373​
374​ // Wait until ExternalCommand Helper is ready (helper sends progress(int) and reportProgress(QVariantMap &) signal just before it enters event loop)
374 QEventLoop loop; 375​ QEventLoop loop;
375 auto exitLoop = [&] () { loop.exit(); }; 376​ auto exitLoop = [&] () { loop.exit(); };
376 auto conn = QObject::connect(m_job, &KAuth::ExecuteJob::newData, exitLoop); 377​
377 QObject::connect(m_job, &KJob::finished, [=] () { if(m_job->error()) exitLoop(); } ); 378​ ExternalCommandHelper helper;
379​ helper.init(QVariantMap());
380​
381​ auto conn1 = QObject::connect(&helper, &ExternalCommandHelper::progress, exitLoop);
382​ auto conn2 = QObject::connect(&helper, &ExternalCommandHelper::reportProgress, exitLoop);
383​
378 loop.exec(); 384​ loop.exec();
379 QObject::disconnect(conn); 385​
386​ QObject::disconnect(conn1);
387​ QObject::disconnect(conn2);
388​
389​ if (!isActionAuthorized || authResult == PolkitQt1::Authority::No || authResult == PolkitQt1::Authority::Unknown) {
390​ qDebug() << "Unable to obtain Administrative privileges, the action can not be executed!!";
391​ }
380 392​
381 helperStarted = true; 393​ helperStarted = true;
382 return true; 394​ return true;
383} 395​}
384 396​
385void ExternalCommand::stopHelper() 397​void ExternalCommand::stopHelper()
386{ 398​{
387 auto *interface = new org::kde::kpmcore::externalcommand(QStringLiteral("org.kde.kpmcore.externalcommand"), 399​ auto interface = new org::kde::kpmcore::externalcommand(QStringLiteral("org.kde.kpmcore.externalcommand"),
388 QStringLiteral("/Helper"), QDBusConnection::systemBus()); 400​ QStringLiteral("/Helper"), QDBusConnection::systemBus());
389 interface->exit(); 401​ interface->exit();
390 ​
391} 402​}
392 403​
393void DBusThread::run() 404​void DBusThread::run()
394{ 405​{
395 if (!QDBusConnection::systemBus().registerService(QStringLiteral("org.kde.kpmcore.applicationinterface")) || 406​ if (!QDBusConnection::systemBus().registerService(QStringLiteral("org.kde.kpmcore.applicationinterface")) ||
396 !QDBusConnection::systemBus().registerObject(QStringLiteral("/Application"), this, QDBusConnection::ExportAllSlots)) { 407​ !QDBusConnection::systemBus().registerObject(QStringLiteral("/Application"), this, QDBusConnection::ExportAllSlots)) {
397 qWarning() << QDBusConnection::systemBus().lastError().message(); 408​ qWarning() << QDBusConnection::systemBus().lastError().message();
398 return; 409​ return;
399 } 410​ }
400 411​
401 QEventLoop loop; 412​ QEventLoop loop;
402 loop.exec(); 413​ loop.exec();
403} 414​}
415​
416​#include "moc_externalcommand.cpp"