diff --git a/src/solid/devices/backends/hal/halfstabhandling.cpp b/src/solid/devices/backends/hal/halfstabhandling.cpp index 749ef7e..64a8eb4 100644 --- a/src/solid/devices/backends/hal/halfstabhandling.cpp +++ b/src/solid/devices/backends/hal/halfstabhandling.cpp @@ -1,205 +1,205 @@ /* Copyright 2007 Kevin Ottens This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) version 3, or any later version accepted by the membership of KDE e.V. (or its successor approved by the membership of KDE e.V.), which shall act as a proxy defined in Section 6 of version 3 of the license. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library. If not, see . */ #include "halfstabhandling.h" #include #include #include #include #include #include -#include +#include #include #include #if HAVE_MNTENT_H #include #elif defined(HAVE_SYS_MNTENT_H) #include #endif #ifdef Q_OS_SOLARIS #define FSTAB "/etc/vfstab" #else #define FSTAB "/etc/fstab" #endif typedef QMultiHash QStringMultiHash; class MountPointsCache { public: QReadWriteLock lock; bool firstCall = true; - QTime elapsedTime; + QElapsedTimer elapsedTime; QMultiHash values; }; Q_GLOBAL_STATIC(MountPointsCache, globalMountPointsCache) QString _k_resolveSymLink(const QString &filename) { QString resolved = filename; QString tmp = QFile::symLinkTarget(filename); while (!tmp.isEmpty()) { resolved = tmp; tmp = QFile::symLinkTarget(resolved); } return resolved; } bool _k_isNetworkFileSystem(const QString &fstype, const QString &devName) { if (fstype == "nfs" || fstype == "nfs4" || fstype == "smbfs" || fstype == "cifs" || devName.startsWith(QLatin1String("//"))) { return true; } return false; } void _k_updateMountPointsCache() { QWriteLocker locker(&globalMountPointsCache->lock); if (globalMountPointsCache->firstCall) { globalMountPointsCache->firstCall = false; globalMountPointsCache->elapsedTime.start(); } else if (globalMountPointsCache->elapsedTime.elapsed() > 10000) { globalMountPointsCache->elapsedTime.restart(); } else { return; } globalMountPointsCache->values.clear(); #if HAVE_SETMNTENT FILE *fstab; if ((fstab = setmntent(FSTAB, "r")) == nullptr) { return; } struct mntent *fe; while ((fe = getmntent(fstab)) != nullptr) { if (!_k_isNetworkFileSystem(fe->mnt_type, fe->mnt_fsname)) { const QString device = _k_resolveSymLink(QFile::decodeName(fe->mnt_fsname)); const QString mountpoint = _k_resolveSymLink(QFile::decodeName(fe->mnt_dir)); globalMountPointsCache->values.insert(device, mountpoint); } } endmntent(fstab); #else QFile fstab(FSTAB); if (!fstab.open(QIODevice::ReadOnly)) { return; } QTextStream stream(&fstab); QString line; while (!stream.atEnd()) { line = stream.readLine().simplified(); if (line.isEmpty() || line.startsWith('#')) { continue; } // not empty or commented out by '#' const QStringList items = line.split(' '); #ifdef Q_OS_SOLARIS if (items.count() < 5) { continue; } #else if (items.count() < 4) { continue; } #endif //prevent accessing a blocking directory if (!_k_isNetworkFileSystem(items.at(2), items.at(0))) { const QString device = _k_resolveSymLink(items.at(0)); const QString mountpoint = _k_resolveSymLink(items.at(1)); globalMountPointsCache->values.insert(device, mountpoint); } } fstab.close(); #endif } bool Solid::Backends::Hal::FstabHandling::isInFstab(const QString &device) { _k_updateMountPointsCache(); const QString deviceToFind = _k_resolveSymLink(device); QReadLocker lock(&globalMountPointsCache->lock); return globalMountPointsCache->values.contains(deviceToFind); } QStringList Solid::Backends::Hal::FstabHandling::possibleMountPoints(const QString &device) { _k_updateMountPointsCache(); const QString deviceToFind = _k_resolveSymLink(device); QReadLocker lock(&globalMountPointsCache->lock); return globalMountPointsCache->values.values(deviceToFind); } QProcess *Solid::Backends::Hal::FstabHandling::callSystemCommand(const QString &commandName, const QStringList &args, QObject *obj, const char *slot) { QStringList env = QProcess::systemEnvironment(); env.replaceInStrings(QRegExp("^PATH=(.*)", Qt::CaseInsensitive), "PATH=/sbin:/bin:/usr/sbin/:/usr/bin"); QProcess *process = new QProcess(obj); QObject::connect(process, SIGNAL(finished(int,QProcess::ExitStatus)), obj, slot); process->setEnvironment(env); process->start(commandName, args); if (process->waitForStarted()) { return process; } else { delete process; return nullptr; } } QProcess *Solid::Backends::Hal::FstabHandling::callSystemCommand(const QString &commandName, const QString &device, QObject *obj, const char *slot) { return callSystemCommand(commandName, QStringList() << device, obj, slot); }