diff options
| author | Oswald Buddenhagen <oswald.buddenhagen@qt.io> | 2017-08-11 14:36:23 +0200 |
|---|---|---|
| committer | Tony Sarajärvi <tony.sarajarvi@qt.io> | 2017-08-26 12:12:06 +0000 |
| commit | 702be65532263bd52ad0b67235c112083120699e (patch) | |
| tree | c3507ddfd6f5a0fa96be1bca06e9a10f129f6265 /qmake/library | |
| parent | 18533ae2a72aba9ad8c0f1862e1e6ace50655864 (diff) | |
qmake: fix hypothetical raw data leaks relating to qt i/o classes
technically, we should not rely on the i/o classes not storing the
strings beyond the instantiated object's life time.
Change-Id: I0990769b3cf86860184869036c096c531160e9be
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Diffstat (limited to 'qmake/library')
| -rw-r--r-- | qmake/library/qmakebuiltins.cpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/qmake/library/qmakebuiltins.cpp b/qmake/library/qmakebuiltins.cpp index b8b2c97c5b..acc1924e80 100644 --- a/qmake/library/qmakebuiltins.cpp +++ b/qmake/library/qmakebuiltins.cpp @@ -819,7 +819,8 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinExpand( if (args.count() < 1 || args.count() > 2) { evalError(fL1S("cat(file, singleline=true) requires one or two arguments.")); } else { - const QString &file = args.at(0).toQString(m_tmp1); + QString fn = resolvePath(m_option->expandEnvVars(args.at(0).toQString(m_tmp1))); + fn.detach(); bool blob = false; bool lines = false; @@ -833,7 +834,7 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinExpand( lines = true; } - QFile qfile(resolvePath(m_option->expandEnvVars(file))); + QFile qfile(fn); if (qfile.open(QIODevice::ReadOnly)) { QTextStream stream(&qfile); if (blob) { @@ -908,7 +909,7 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinExpand( lines = true; } int exitCode; - QByteArray bytes = getCommandOutput(args.at(0).toQString(m_tmp2), &exitCode); + QByteArray bytes = getCommandOutput(args.at(0).toQString(), &exitCode); if (args.count() > 2 && !args.at(2).isEmpty()) { m_valuemapStack.top()[args.at(2).toKey()] = ProStringList(ProString(QString::number(exitCode))); @@ -1689,7 +1690,7 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinConditional( #if QT_CONFIG(process) QProcess proc; proc.setProcessChannelMode(QProcess::ForwardedChannels); - runProcess(&proc, args.at(0).toQString(m_tmp2)); + runProcess(&proc, args.at(0).toQString()); return returnBool(proc.exitStatus() == QProcess::NormalExit && proc.exitCode() == 0); #else int ec = system((QLatin1String("cd ") @@ -1726,8 +1727,10 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinConditional( return ReturnTrue; int slsh = file.lastIndexOf(QLatin1Char('/')); QString fn = file.mid(slsh+1); + fn.detach(); if (fn.contains(QLatin1Char('*')) || fn.contains(QLatin1Char('?'))) { QString dirstr = file.left(slsh+1); + dirstr.detach(); if (!QDir(dirstr).entryList(QStringList(fn)).isEmpty()) return ReturnTrue; } @@ -1740,7 +1743,8 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinConditional( return ReturnFalse; } #ifdef PROEVALUATOR_FULL - const QString &fn = resolvePath(args.at(0).toQString(m_tmp1)); + QString fn = resolvePath(args.at(0).toQString(m_tmp1)); + fn.detach(); if (!QDir::current().mkpath(fn)) { evalError(fL1S("Cannot create directory %1.").arg(QDir::toNativeSeparators(fn))); return ReturnFalse; |