php-src/sapi/fuzzer/generate_parser_corpus.php
Nikita Popov 11649a6d77 Reduce size limit in parser fuzzer
Avoid stack overflows during compilation of deeply nested
expressions.
2019-11-07 21:20:34 +01:00

24 lines
717 B
PHP

<?php
$testsDir = __DIR__ . '/../../Zend/tests/';
$it = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($testsDir),
RecursiveIteratorIterator::LEAVES_ONLY
);
$corpusDir = __DIR__ . '/corpus/parser';
@mkdir($corpusDir);
$maxLen = 32 * 1024;
foreach ($it as $file) {
if (!preg_match('/\.phpt$/', $file)) continue;
$code = file_get_contents($file);
if (!preg_match('/--FILE--\R(.*?)\R--([_A-Z]+)--/s', $code, $matches)) continue;
$code = $matches[1];
if (strlen($code) > $maxLen) continue;
$outFile = str_replace($testsDir, '', $file);
$outFile = str_replace('/', '_', $outFile);
$outFile = $corpusDir . '/' . $outFile;
file_put_contents($outFile, $code);
}