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/*
KSysGuard, the KDE System Guard
SPDX-FileCopyrightText: 2009 John Tapsell <john.tapsell@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "helper.h"
#include "processes_local_p.h"
using namespace KAuth;
KSysGuardProcessListHelper::KSysGuardProcessListHelper()
{
qRegisterMetaType<QList<long long>>();
}
/* The functions here run as ROOT. So be careful. DO NOT TRUST THE INPUTS TO BE SANE. */
#define GET_PID(i) \
parameters.value(QStringLiteral("pid%1").arg(i), -1).toULongLong(); \
if (pid < 0) { \
return ActionReply(ActionReply::HelperErrorType); \
}
ActionReply KSysGuardProcessListHelper::sendsignal(const QVariantMap ¶meters)
{
ActionReply reply(ActionReply::HelperErrorType);
if (!parameters.contains(QLatin1String("signal"))) {
reply.setErrorDescription(QStringLiteral("Internal error - no signal parameter was passed to the helper"));
reply.setErrorCode(static_cast<ActionReply::Error>(KSysGuard::Processes::InvalidPid));
return reply;
}
if (!parameters.contains(QLatin1String("pidcount"))) {
reply.setErrorDescription(QStringLiteral("Internal error - no pidcount parameter was passed to the helper"));
reply.setErrorCode(static_cast<ActionReply::Error>(KSysGuard::Processes::InvalidParameter));
return reply;
}
KSysGuard::ProcessesLocal processes;
int signal = qvariant_cast<int>(parameters.value(QStringLiteral("signal")));
bool success = true;
int numProcesses = parameters.value(QStringLiteral("pidcount")).toInt();
QStringList errorList;
for (int i = 0; i < numProcesses; ++i) {
qlonglong pid = GET_PID(i);
KSysGuard::Processes::Error error = processes.sendSignal(pid, signal);
if (error != KSysGuard::Processes::NoError) {
errorList << QString::number(pid);
success = false;
}
}
if (success) {
return ActionReply::SuccessReply();
} else {
reply.setErrorDescription(QStringLiteral("Could not send signal to: ") + errorList.join(QLatin1String(", ")));
reply.setErrorCode(static_cast<ActionReply::Error>(KSysGuard::Processes::Unknown));
return reply;
}
}
ActionReply KSysGuardProcessListHelper::renice(const QVariantMap ¶meters)
{
if (!parameters.contains(QLatin1String("nicevalue")) || !parameters.contains(QLatin1String("pidcount"))) {
return ActionReply(ActionReply::HelperErrorType);
}
KSysGuard::ProcessesLocal processes;
int niceValue = qvariant_cast<int>(parameters.value(QStringLiteral("nicevalue")));
bool success = true;
int numProcesses = parameters.value(QStringLiteral("pidcount")).toInt();
for (int i = 0; i < numProcesses; ++i) {
qlonglong pid = GET_PID(i);
success &= (processes.setNiceness(pid, niceValue) != KSysGuard::Processes::NoError);
}
if (success) {
return ActionReply::SuccessReply();
} else {
return ActionReply(ActionReply::HelperErrorType);
}
}
ActionReply KSysGuardProcessListHelper::changeioscheduler(const QVariantMap ¶meters)
{
if (!parameters.contains(QLatin1String("ioScheduler")) || !parameters.contains(QLatin1String("ioSchedulerPriority"))
|| !parameters.contains(QLatin1String("pidcount"))) {
return ActionReply(ActionReply::HelperErrorType);
}
KSysGuard::ProcessesLocal processes;
int ioScheduler = qvariant_cast<int>(parameters.value(QStringLiteral("ioScheduler")));
int ioSchedulerPriority = qvariant_cast<int>(parameters.value(QStringLiteral("ioSchedulerPriority")));
bool success = true;
const int numProcesses = parameters.value(QStringLiteral("pidcount")).toInt();
for (int i = 0; i < numProcesses; ++i) {
qlonglong pid = GET_PID(i);
success &= (processes.setIoNiceness(pid, ioScheduler, ioSchedulerPriority) != KSysGuard::Processes::NoError);
}
if (success) {
return ActionReply::SuccessReply();
} else {
return ActionReply(ActionReply::HelperErrorType);
}
}
ActionReply KSysGuardProcessListHelper::changecpuscheduler(const QVariantMap ¶meters)
{
if (!parameters.contains(QLatin1String("cpuScheduler")) || !parameters.contains(QLatin1String("cpuSchedulerPriority"))
|| !parameters.contains(QLatin1String("pidcount"))) {
return ActionReply(ActionReply::HelperErrorType);
}
KSysGuard::ProcessesLocal processes;
int cpuScheduler = qvariant_cast<int>(parameters.value(QStringLiteral("cpuScheduler")));
int cpuSchedulerPriority = qvariant_cast<int>(parameters.value(QStringLiteral("cpuSchedulerPriority")));
bool success = true;
const int numProcesses = parameters.value(QStringLiteral("pidcount")).toInt();
for (int i = 0; i < numProcesses; ++i) {
qlonglong pid = GET_PID(i);
success &= (processes.setScheduler(pid, cpuScheduler, cpuSchedulerPriority) != KSysGuard::Processes::NoError);
}
if (success) {
return ActionReply::SuccessReply();
} else {
return ActionReply(ActionReply::HelperErrorType);
}
}
KAUTH_HELPER_MAIN("org.kde.ksysguard.processlisthelper", KSysGuardProcessListHelper)
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