| --TEST-- | |
| Bug #69316: Use-after-free in php_curl related to CURLOPT_FILE/_INFILE/_WRITEHEADER | |
| --EXTENSIONS-- | |
| curl | |
| --FILE-- | |
| function hdr_callback($ch, $data) { | |
| // close the stream, causing the FILE structure to be free()'d | |
| if($GLOBALS['f_file']) { | |
| fclose($GLOBALS['f_file']); $GLOBALS['f_file'] = 0; | |
| // cause an allocation of approx the same size as a FILE structure, size varies a bit depending on platform/libc | |
| $FILE_size = (PHP_INT_SIZE == 4 ? 0x160 : 0x238); | |
| curl_setopt($ch, CURLOPT_COOKIE, str_repeat("a", $FILE_size - 1)); | |
| } | |
| return strlen($data); | |
| } | |
| include 'server.inc'; | |
| $host = curl_cli_server_start(); | |
| $temp_file = __DIR__ . '/body.tmp'; | |
| $url = "{$host}/get.inc?test=getpost"; | |
| $ch = curl_init(); | |
| $f_file = fopen($temp_file, "w") or die("failed to open file\n"); | |
| curl_setopt($ch, CURLOPT_BUFFERSIZE, 10); | |
| curl_setopt($ch, CURLOPT_HEADERFUNCTION, "hdr_callback"); | |
| curl_setopt($ch, CURLOPT_FILE, $f_file); | |
| curl_setopt($ch, CURLOPT_URL, $url); | |
| curl_exec($ch); | |
| curl_close($ch); | |
| --CLEAN-- | |
| unlink(__DIR__ . '/body.tmp'); | |
| --EXPECTF-- | |
| Warning: curl_exec(): CURLOPT_FILE resource has gone away, resetting to default in %s on line %d | |
| array(1) { | |
| ["test"]=> | |
| string(7) "getpost" | |
| } | |
| array(0) { | |
| } | |