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Merge pull request #10864 from Chocobo1/qapp

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Tighten up qtsingleapplication
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Mike Tzou 2019-06-29 15:27:58 +08:00 committed by GitHub
commit 11000412d8
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1 changed files with 7 additions and 0 deletions
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7
src/app/qtsingleapplication/qtlocalpeer.cpp
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@ -101,6 +101,7 @@ QtLocalPeer::QtLocalPeer(QObject* parent, const QString &appId)
#endif #endif
server = new QLocalServer(this); server = new QLocalServer(this);
server->setSocketOptions(QLocalServer::UserAccessOption);
QString lockName = QDir(QDir::tempPath()).absolutePath() QString lockName = QDir(QDir::tempPath()).absolutePath()
+ QLatin1Char('/') + socketName + QLatin1Char('/') + socketName
+ QLatin1String("-lockfile"); + QLatin1String("-lockfile");
@ -191,6 +192,12 @@ void QtLocalPeer::receiveConnection()
QByteArray uMsg; QByteArray uMsg;
quint32 remaining; quint32 remaining;
ds >> remaining; ds >> remaining;
if (remaining > 65535) {
// drop suspiciously large data
delete socket;
return;
}
uMsg.resize(remaining); uMsg.resize(remaining);
int got = 0; int got = 0;
char* uMsgBuf = uMsg.data(); char* uMsgBuf = uMsg.data();