SimpleMachines /
SMF2.1
| @@ 406-450 (lines=45) @@ | ||
| 403 | } |
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| 404 | ||
| 405 | // First, we clean strings out of the query, reduce whitespace, lowercase, and trim - so we can check it over. |
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| 406 | if (empty($modSettings['disableQueryCheck'])) |
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| 407 | { |
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| 408 | $clean = ''; |
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| 409 | $old_pos = 0; |
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| 410 | $pos = -1; |
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| 411 | while (true) |
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| 412 | { |
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| 413 | $pos = strpos($db_string, '\'', $pos + 1); |
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| 414 | if ($pos === false) |
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| 415 | break; |
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| 416 | $clean .= substr($db_string, $old_pos, $pos - $old_pos); |
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| 417 | ||
| 418 | while (true) |
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| 419 | { |
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| 420 | $pos1 = strpos($db_string, '\'', $pos + 1); |
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| 421 | $pos2 = strpos($db_string, '\\', $pos + 1); |
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| 422 | if ($pos1 === false) |
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| 423 | break; |
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| 424 | elseif ($pos2 === false || $pos2 > $pos1) |
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| 425 | { |
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| 426 | $pos = $pos1; |
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| 427 | break; |
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| 428 | } |
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| 429 | ||
| 430 | $pos = $pos2 + 1; |
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| 431 | } |
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| 432 | $clean .= ' %s '; |
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| 433 | ||
| 434 | $old_pos = $pos + 1; |
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| 435 | } |
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| 436 | $clean .= substr($db_string, $old_pos); |
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| 437 | $clean = trim(strtolower(preg_replace($allowed_comments_from, $allowed_comments_to, $clean))); |
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| 438 | ||
| 439 | // Comments? We don't use comments in our queries, we leave 'em outside! |
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| 440 | if (strpos($clean, '/*') > 2 || strpos($clean, '--') !== false || strpos($clean, ';') !== false) |
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| 441 | $fail = true; |
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| 442 | // Trying to change passwords, slow us down, or something? |
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| 443 | elseif (strpos($clean, 'sleep') !== false && preg_match('~(^|[^a-z])sleep($|[^[_a-z])~s', $clean) != 0) |
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| 444 | $fail = true; |
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| 445 | elseif (strpos($clean, 'benchmark') !== false && preg_match('~(^|[^a-z])benchmark($|[^[a-z])~s', $clean) != 0) |
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| 446 | $fail = true; |
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| 447 | ||
| 448 | if (!empty($fail) && function_exists('log_error')) |
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| 449 | smf_db_error_backtrace('Hacking attempt...', 'Hacking attempt...' . "\n" . $db_string, E_USER_ERROR, __FILE__, __LINE__); |
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| 450 | } |
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| 451 | ||
| 452 | $db_last_result = @pg_query($connection, $db_string); |
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| 453 | ||
| @@ 448-492 (lines=45) @@ | ||
| 445 | } |
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| 446 | ||
| 447 | // First, we clean strings out of the query, reduce whitespace, lowercase, and trim - so we can check it over. |
|
| 448 | if (empty($modSettings['disableQueryCheck'])) |
|
| 449 | { |
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| 450 | $clean = ''; |
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| 451 | $old_pos = 0; |
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| 452 | $pos = -1; |
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| 453 | while (true) |
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| 454 | { |
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| 455 | $pos = strpos($db_string, '\'', $pos + 1); |
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| 456 | if ($pos === false) |
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| 457 | break; |
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| 458 | $clean .= substr($db_string, $old_pos, $pos - $old_pos); |
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| 459 | ||
| 460 | while (true) |
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| 461 | { |
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| 462 | $pos1 = strpos($db_string, '\'', $pos + 1); |
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| 463 | $pos2 = strpos($db_string, '\\', $pos + 1); |
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| 464 | if ($pos1 === false) |
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| 465 | break; |
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| 466 | elseif ($pos2 === false || $pos2 > $pos1) |
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| 467 | { |
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| 468 | $pos = $pos1; |
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| 469 | break; |
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| 470 | } |
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| 471 | ||
| 472 | $pos = $pos2 + 1; |
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| 473 | } |
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| 474 | $clean .= ' %s '; |
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| 475 | ||
| 476 | $old_pos = $pos + 1; |
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| 477 | } |
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| 478 | $clean .= substr($db_string, $old_pos); |
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| 479 | $clean = trim(strtolower(preg_replace($allowed_comments_from, $allowed_comments_to, $clean))); |
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| 480 | ||
| 481 | // Comments? We don't use comments in our queries, we leave 'em outside! |
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| 482 | if (strpos($clean, '/*') > 2 || strpos($clean, '--') !== false || strpos($clean, ';') !== false) |
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| 483 | $fail = true; |
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| 484 | // Trying to change passwords, slow us down, or something? |
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| 485 | elseif (strpos($clean, 'sleep') !== false && preg_match('~(^|[^a-z])sleep($|[^[_a-z])~s', $clean) != 0) |
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| 486 | $fail = true; |
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| 487 | elseif (strpos($clean, 'benchmark') !== false && preg_match('~(^|[^a-z])benchmark($|[^[a-z])~s', $clean) != 0) |
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| 488 | $fail = true; |
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| 489 | ||
| 490 | if (!empty($fail) && function_exists('log_error')) |
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| 491 | smf_db_error_backtrace('Hacking attempt...', 'Hacking attempt...' . "\n" . $db_string, E_USER_ERROR, __FILE__, __LINE__); |
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| 492 | } |
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| 493 | ||
| 494 | if (empty($db_unbuffered)) |
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| 495 | $ret = @mysqli_query($connection, $db_string); |
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