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Dynamic (#77)

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Eli Peter 2026-06-05 10:16:30 -05:00 • committed by GitHub
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20
tests/dynamic_fixtures/php/fileio_negative.php Normal file
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<?php
// File I/O — negative fixture.
// Safe: realpath + prefix validation prevents directory traversal.
// Entry: runReadFile($userPath) Cap: FILE_IO
// Expected verdict: NotConfirmed
function runReadFile($userPath) {
$baseDir = '/var/data';
$filePath = realpath($baseDir . '/' . $userPath);
if ($filePath === false || strpos($filePath, $baseDir . DIRECTORY_SEPARATOR) !== 0) {
echo "Access denied\n";
return;
}
$content = @file_get_contents($filePath);
if ($content !== false) {
echo substr($content, 0, 100);
} else {
echo "File not found\n";
}
}