| 393 | } |
| 394 | |
| 395 | static DWORD LoadIndexFile_V2(TCascStorage * hs, CASC_INDEX_HEADER & InHeader, EKEY_ENTRY_CALLBACK PfnEKeyEntry, LPBYTE pbFileData, size_t cbFileData) |
| 396 | { |
| 397 | LPBYTE pbEKeyEntry; |
| 398 | LPBYTE pbFileEnd = pbFileData + cbFileData; |
| 399 | LPBYTE pbFilePtr = pbFileData + InHeader.HeaderLength + InHeader.HeaderPadding; |
| 400 | size_t EKeyEntriesLength; |
| 401 | DWORD BlockSize = 0; |
| 402 | DWORD dwErrCode = ERROR_NOT_SUPPORTED; |
| 403 | |
| 404 | // Remember the values from the index header |
| 405 | SaveFileOffsetBitsAndEKeyLength(hs, InHeader.FileOffsetBits, InHeader.EKeyLength); |
| 406 | |
| 407 | // Get the pointer to the first block of EKey entries |
| 408 | if((pbEKeyEntry = CaptureGuardedBlock2(pbFilePtr, pbFileEnd, InHeader.EntryLength, &BlockSize)) != NULL) |
| 409 | { |
| 410 | // Supply the number of EKey entries |
| 411 | InHeader.HeaderPadding += sizeof(FILE_INDEX_GUARDED_BLOCK); |
| 412 | |
| 413 | // Load the continuous array of EKeys |
| 414 | return LoadIndexItems(hs, InHeader, PfnEKeyEntry, pbEKeyEntry, pbEKeyEntry + BlockSize); |
| 415 | } |
| 416 | |
| 417 | // Get the pointer to the second block of EKey entries. |
| 418 | // They are alway at the position aligned to 4096 |
| 419 | EKeyEntriesLength = pbFileEnd - pbFilePtr; |
| 420 | if(EKeyEntriesLength >= 0x7800) |
| 421 | { |
| 422 | LPBYTE pbStartPage = pbFileData + 0x1000; |
| 423 | LPBYTE pbEndPage = pbStartPage + FILE_INDEX_PAGE_SIZE; |
| 424 | size_t AlignedLength = ALIGN_TO_SIZE(InHeader.EntryLength, 4); |
| 425 | |
| 426 | // Parse the chunks with the EKey entries |
| 427 | while(pbStartPage < pbFileEnd) |
| 428 | { |
| 429 | pbEKeyEntry = pbStartPage; |
| 430 | |
| 431 | while(pbEKeyEntry < pbEndPage) |
| 432 | { |
| 433 | // Check the EKey entry protected by 32-bit hash |
| 434 | if((pbEKeyEntry = CaptureGuardedBlock3(pbEKeyEntry, pbEndPage, InHeader.EntryLength)) == NULL) |
| 435 | break; |
| 436 | |
| 437 | // CASC\\0001: Encoding |
| 438 | //BREAK_ON_XKEY3(pbEKeyEntry, 0xbc, 0xe8, 0x23); |
| 439 | |
| 440 | // Call the EKey entry callback |
| 441 | if(!PfnEKeyEntry(hs, InHeader, pbEKeyEntry)) |
| 442 | return ERROR_INDEX_PARSING_DONE; |
| 443 | |
| 444 | pbEKeyEntry += AlignedLength; |
| 445 | } |
| 446 | |
| 447 | // Move to the next chunk |
| 448 | pbStartPage += FILE_INDEX_PAGE_SIZE; |
| 449 | } |
| 450 | dwErrCode = ERROR_SUCCESS; |
| 451 | } |
| 452 |
no test coverage detected