| 471 | } |
| 472 | |
| 473 | void |
| 474 | testIssue1880() |
| 475 | { |
| 476 | // A user raised the issue that multiple Content-Length fields and |
| 477 | // values are permissible provided all values are the same. |
| 478 | // See rfc7230 section-3.3.2 |
| 479 | // https://tools.ietf.org/html/rfc7230#section-3.3.2 |
| 480 | // Credit: Dimitry Bulsunov |
| 481 | |
| 482 | auto checkPass = [&](std::string const& message) |
| 483 | { |
| 484 | response_parser<string_body> parser; |
| 485 | error_code ec; |
| 486 | parser.put(net::buffer(message), ec); |
| 487 | BEAST_EXPECTS(!ec.failed(), ec.message()); |
| 488 | }; |
| 489 | |
| 490 | auto checkFail = [&](std::string const& message) |
| 491 | { |
| 492 | response_parser<string_body> parser; |
| 493 | error_code ec; |
| 494 | parser.put(net::buffer(message), ec); |
| 495 | BEAST_EXPECTS(ec == error::multiple_content_length, ec.message()); |
| 496 | }; |
| 497 | |
| 498 | // multiple contents lengths the same |
| 499 | checkPass( |
| 500 | "HTTP/1.1 200 OK\r\n" |
| 501 | "Content-Length: 0\r\n" |
| 502 | "Content-Length: 0\r\n" |
| 503 | "\r\n"); |
| 504 | |
| 505 | // multiple contents lengths different |
| 506 | checkFail( |
| 507 | "HTTP/1.1 200 OK\r\n" |
| 508 | "Content-Length: 0\r\n" |
| 509 | "Content-Length: 1\r\n" |
| 510 | "\r\n"); |
| 511 | |
| 512 | // multiple content in same header |
| 513 | checkPass( |
| 514 | "HTTP/1.1 200 OK\r\n" |
| 515 | "Content-Length: 0, 0, 0\r\n" |
| 516 | "\r\n"); |
| 517 | |
| 518 | // multiple content in same header but mismatch (case 1) |
| 519 | checkFail( |
| 520 | "HTTP/1.1 200 OK\r\n" |
| 521 | "Content-Length: 0, 0, 1\r\n" |
| 522 | "\r\n"); |
| 523 | |
| 524 | // multiple content in same header but mismatch (case 2) |
| 525 | checkFail( |
| 526 | "HTTP/1.1 200 OK\r\n" |
| 527 | "Content-Length: 0, 0, 0\r\n" |
| 528 | "Content-Length: 1\r\n" |
| 529 | "\r\n"); |
| 530 | } |