| --TEST-- | |
| Bug #71263: fread() does not report bzip2.decompress errors | |
| --EXTENSIONS-- | |
| bz2 | |
| --FILE-- | |
| function test($case) { | |
| $plain = "The quick brown fox jumps over the lazy dog."; | |
| $fn = "bug71263.bz2"; | |
| $compressed = (string) bzcompress($plain); | |
| echo "Compressed len = ", strlen($compressed), "\n"; | |
| if ($case == 1) { | |
| // Set a random byte in the middle of the compressed data | |
| // --> php_bz2_decompress_filter() detects fatal error | |
| // --> fread() displays empty string then garbage, no errors detected: | |
| $compressed[strlen($compressed) - 15] = 'X'; | |
| } else if ($case == 2) { | |
| // Truncate the compressed data | |
| // --> php_bz2_decompress_filter() does not detect errors, | |
| // --> fread() displays the empty string: | |
| $compressed = substr($compressed, 0, strlen($compressed) - 20); | |
| } else { | |
| // Corrupted final CRC | |
| // --> php_bz2_decompress_filter() detects fatal error | |
| // --> fread() displays an empty string, then the correct plain text, no error detected: | |
| $compressed[strlen($compressed)-2] = 'X'; | |
| } | |
| file_put_contents($fn, $compressed); | |
| $r = fopen($fn, "r"); | |
| stream_filter_append($r, 'bzip2.decompress', STREAM_FILTER_READ); | |
| while (!feof($r)) { | |
| $s = fread($r, 100); | |
| echo "read: "; var_dump($s); | |
| } | |
| fclose($r); | |
| unlink($fn); | |
| } | |
| test(1); | |
| test(2); | |
| test(3); | |
| --EXPECTF-- | |
| Compressed len = 81 | |
| Notice: fread(): bzip2 decompression failed in %s on line %d | |
| read: bool(false) | |
| Compressed len = 81 | |
| read: string(0) "" | |
| Compressed len = 81 | |
| Notice: fread(): bzip2 decompression failed in %s on line %d | |
| read: bool(false) | |