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fix: add path traversal check in mkTempDir function #191

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Merged
deepin-bot merged 1 commit into from
Feb 3, 2026
Merged

fix: add path traversal check in mkTempDir function #191

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7 changes: 7 additions & 0 deletions basestruct/utils.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -817,6 +817,13 @@ bool Utils::kernelSupportFS(const QString &fsType)
QString Utils::mkTempDir(const QString &infix)
{
qDebug() << "Utils::mkTempDir - Creating temp dir with infix:" << infix;

// 路径遍历检查：拒绝包含 ".." 的 infix
if (infix.contains("..")) {
qWarning() << "Utils::mkTempDir - Invalid infix contains path traversal:" << infix;
return QString();
}

// Construct template like "/var/tmp/diskmanager-XXXXXX" or "/var/tmp/diskmanager-INFIX-XXXXXX"
QString dirTemplate = "/var/tmp/";

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