| 333 | // write version and fileid to empty file before writing to it |
| 334 | |
| 335 | BOOL CryptFileForward::WriteVersionAndFileId() |
| 336 | { |
| 337 | if (m_real_file_size == (long long)-1) |
| 338 | return FALSE; |
| 339 | |
| 340 | OVERLAPPED ov; |
| 341 | memset(&ov, 0, sizeof(ov)); |
| 342 | |
| 343 | if (!get_random_bytes(m_con, m_header.fileid, FILE_ID_LEN)) |
| 344 | return FALSE; |
| 345 | |
| 346 | unsigned short version = CRYPT_VERSION; |
| 347 | |
| 348 | m_header.version = MakeBigEndian(version); |
| 349 | |
| 350 | DWORD nWritten = 0; |
| 351 | |
| 352 | if (!WriteFile(m_handle, &m_header, sizeof(m_header), &nWritten, &ov)) { |
| 353 | m_header.version = CRYPT_VERSION; |
| 354 | return FALSE; |
| 355 | } |
| 356 | |
| 357 | m_header.version = CRYPT_VERSION; |
| 358 | |
| 359 | m_real_file_size = FILE_HEADER_LEN; |
| 360 | |
| 361 | m_is_empty = false; |
| 362 | |
| 363 | return nWritten == FILE_HEADER_LEN; |
| 364 | } |
| 365 | |
| 366 | |
| 367 | BOOL CryptFileForward::Write(const unsigned char *buf, DWORD buflen, LPDWORD pNwritten, LONGLONG offset, BOOL bWriteToEndOfFile, BOOL bPagingIo) |
nothing calls this directly
no test coverage detected