| 449 | |
| 450 | |
| 451 | bool ISC_analyze_tcp(tstring& file_name, tstring& node_name, bool need_file) |
| 452 | { |
| 453 | /************************************** |
| 454 | * |
| 455 | * I S C _ a n a l y z e _ t c p ( G E N E R I C ) |
| 456 | * |
| 457 | ************************************** |
| 458 | * |
| 459 | * Functional description |
| 460 | * Analyze a filename for a TCP node name on the front. If |
| 461 | * one is found, extract the node name, compute the residual |
| 462 | * file name, and return true. Otherwise return false. |
| 463 | * |
| 464 | **************************************/ |
| 465 | |
| 466 | // Avoid trivial case |
| 467 | |
| 468 | if (!file_name.hasData()) |
| 469 | return false; |
| 470 | |
| 471 | // Scan file name looking for separator character |
| 472 | |
| 473 | node_name.erase(); |
| 474 | size p = npos; |
| 475 | if (file_name[0] == '[') |
| 476 | { |
| 477 | // [host]:file or [host]/port:file |
| 478 | p = file_name.find(']'); |
| 479 | if (p == npos || p == file_name.length() - 1) |
| 480 | return false; |
| 481 | p = file_name.find(INET_FLAG, p + 1); |
| 482 | } |
| 483 | else |
| 484 | p = file_name.find(INET_FLAG); |
| 485 | |
| 486 | if (p == npos || p == 0 || (need_file && (p == file_name.length() - 1))) |
| 487 | return false; |
| 488 | |
| 489 | node_name = file_name.substr(0, p); |
| 490 | |
| 491 | #ifdef WIN_NT |
| 492 | // For Windows NT, insure that a single character node name does |
| 493 | // not conflict with an existing drive letter. |
| 494 | |
| 495 | if (p == 1) |
| 496 | { |
| 497 | const ULONG dtype = GetDriveType((node_name + ":\\").c_str()); |
| 498 | // Is it removable, fixed, cdrom or ramdisk? |
| 499 | if (dtype > DRIVE_NO_ROOT_DIR && (dtype != DRIVE_REMOTE || Config::getRemoteFileOpenAbility())) |
| 500 | { |
| 501 | // CVC: If we didn't match, clean our garbage or we produce side effects |
| 502 | // in the caller. |
| 503 | node_name.erase(); |
| 504 | return false; |
| 505 | } |
| 506 | } |
| 507 | #endif |
| 508 | |