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Fix ping crash if the host address is not valid

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This commit is contained in:
Simon Stürz 2022-04-25 15:27:35 +02:00
parent 61bbd3cbdf
commit 76b7bc1267
4 changed files with 14 additions and 10 deletions
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4
libnymea-core/hardware/network/networkdevicediscoveryreplyimpl.cpp
View File

@ -33,9 +33,9 @@
#include <QDateTime>
namespace nymeaserver {
Q_DECLARE_LOGGING_CATEGORY(dcNetworkDeviceDiscovery)
NYMEA_LOGGING_CATEGORY(dcNetworkDeviceDiscovery, "NetworkDeviceDiscovery")
namespace nymeaserver {
NetworkDeviceDiscoveryReplyImpl::NetworkDeviceDiscoveryReplyImpl(QObject *parent) :
NetworkDeviceDiscoveryReply(parent)

8
libnymea/network/arpsocket.cpp
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@ -71,9 +71,6 @@ bool ArpSocket::sendRequest()
if (!m_isOpen)
return false;
// Initially load the arp cache before we start to broadcast
//loadArpCache();
// Send the ARP request trough each network interface
qCDebug(dcArpSocket()) << "Sending ARP request to all local network interfaces...";
foreach (const QNetworkInterface &networkInterface, QNetworkInterface::allInterfaces()) {
@ -88,9 +85,8 @@ bool ArpSocket::sendRequest(const QString &interfaceName)
if (!m_isOpen)
return false;
// Get the interface
qCDebug(dcArpSocket()) << "Sending ARP request to all network interfaces" << interfaceName << "...";
qCDebug(dcArpSocket()) << "Sending ARP request to network interface" << interfaceName << "...";
QNetworkInterface networkInterface = QNetworkInterface::interfaceFromName(interfaceName);
if (!networkInterface.isValid()) {
qCWarning(dcArpSocket()) << "Failed to send the ARP request to network interface" << interfaceName << "because the interface is not valid.";
@ -109,7 +105,7 @@ bool ArpSocket::sendRequest(const QNetworkInterface &networkInterface)
if (networkInterface.flags().testFlag(QNetworkInterface::IsLoopBack))
return false;
// If have no interface indes, we cannot use this network
// If the interface index is unknown, we cannot use this network
if (networkInterface.index() == 0) {
qCDebug(dcArpSocket()) << "Failed to send the ARP request to network interface" << networkInterface.name() << "because the system interface index is unknown.";
return false;

9
libnymea/network/ping.cpp
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@ -135,7 +135,7 @@ void Ping::sendNextReply()
PingReply *reply = m_replyQueue.dequeue();
//qCDebug(dcPing()) << "Send next reply," << m_replyQueue.count() << "left in queue";
m_queueTimer->start();
QTimer::singleShot(0, this, [=]() { performPing(reply); });
QTimer::singleShot(0, reply, [=]() { performPing(reply); });
}
void Ping::performPing(PingReply *reply)
@ -146,6 +146,13 @@ void Ping::performPing(PingReply *reply)
return;
}
if (reply->targetHostAddress().isNull()) {
m_error = PingReply::ErrorInvalidHostAddress;
qCWarning(dcPing()) << "Cannot send ping request" << m_error;
finishReply(reply, m_error);
return;
}
// Get host ip address
struct hostent *hostname = gethostbyname(reply->targetHostAddress().toString().toLocal8Bit().constData());
struct sockaddr_in pingAddress;

3
libnymea/network/pingreply.h
View File

@ -57,7 +57,8 @@ public:
ErrorPermissionDenied,
ErrorSocketError,
ErrorTimeout,
ErrorHostUnreachable
ErrorHostUnreachable,
ErrorInvalidHostAddress
};
Q_ENUM(Error)