NTSTATUS LwIoFuseRename( const char* pszOldPath, const char* pszNewPath ) { NTSTATUS status = STATUS_SUCCESS; IO_STATUS_BLOCK ioStatus = {0}; IO_FILE_HANDLE handle = NULL; PIO_FUSE_CONTEXT pFuseContext = NULL; IO_FILE_NAME filename = {0}; PFILE_RENAME_INFORMATION pRenameInfo = NULL; PWSTR pwszNewPath = NULL; size_t newPathLength = 0; pFuseContext = LwIoFuseGetContext(); status = LwIoFuseGetDriverRelativePath( pFuseContext, pszNewPath, &pwszNewPath); BAIL_ON_NT_STATUS(status); newPathLength = LwRtlWC16StringNumChars(pwszNewPath); status = RTL_ALLOCATE( &pRenameInfo, FILE_RENAME_INFORMATION, sizeof(*pRenameInfo) + (newPathLength + 1) * sizeof(WCHAR)); BAIL_ON_NT_STATUS(status); pRenameInfo->ReplaceIfExists = TRUE; pRenameInfo->RootDirectory = NULL; pRenameInfo->FileNameLength = newPathLength * sizeof(WCHAR); memcpy(pRenameInfo->FileName, pwszNewPath, newPathLength * sizeof(WCHAR)); status = LwIoFuseGetNtFilename( pFuseContext, pszOldPath, &filename); BAIL_ON_NT_STATUS(status); status = LwNtCreateFile( &handle, /* File handle */ NULL, /* Async control block */ &ioStatus, /* IO status block */ &filename, /* Filename */ NULL, /* Security descriptor */ NULL, /* Security QOS */ DELETE, /* Desired access mask */ 0, /* Allocation size */ 0, /* File attributes */ FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, /* Share access */ FILE_OPEN, /* Create disposition */ 0, /* Create options */ NULL, /* EA buffer */ 0, /* EA length */ NULL, /* ECP list */ NULL); BAIL_ON_NT_STATUS(status); status = LwNtSetInformationFile( handle, /* File handle */ NULL, /* Async control block */ &ioStatus, /* IO status block */ pRenameInfo, /* File information */ sizeof(*pRenameInfo) + (newPathLength + 1) * sizeof(WCHAR), /* File information size */ FileRenameInformation); /* Information class */ BAIL_ON_NT_STATUS(status); cleanup: if (handle) { LwNtCloseFile(handle); } RTL_UNICODE_STRING_FREE(&filename.Name); RTL_FREE(&pwszNewPath); RTL_FREE(&pRenameInfo); return status; error: goto cleanup; }
NTSTATUS LwIoFuseTruncate( const char* pszPath, off_t size ) { NTSTATUS status = STATUS_SUCCESS; IO_STATUS_BLOCK ioStatus = {0}; IO_FILE_HANDLE handle = NULL; PIO_FUSE_CONTEXT pFuseContext = NULL; FILE_END_OF_FILE_INFORMATION endOfFileInfo = {0}; IO_FILE_NAME filename = {0}; endOfFileInfo.EndOfFile = (LONG64) size; pFuseContext = LwIoFuseGetContext(); status = LwIoFuseGetNtFilename( pFuseContext, pszPath, &filename); BAIL_ON_NT_STATUS(status); status = LwNtCreateFile( &handle, /* File handle */ NULL, /* Async control block */ &ioStatus, /* IO status block */ &filename, /* Filename */ NULL, /* Security descriptor */ NULL, /* Security QOS */ FILE_WRITE_DATA, /* Desired access mask */ 0, /* Allocation size */ 0, /* File attributes */ FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, /* Share access */ FILE_OPEN, /* Create disposition */ FILE_NON_DIRECTORY_FILE, /* Create options */ NULL, /* EA buffer */ 0, /* EA length */ NULL, /* ECP list */ NULL); BAIL_ON_NT_STATUS(status); status = LwNtSetInformationFile( handle, /* File handle */ NULL, /* Async control block */ &ioStatus, /* IO status block */ &endOfFileInfo, /* File information */ sizeof(endOfFileInfo), /* File information size */ FileEndOfFileInformation); /* Information class */ BAIL_ON_NT_STATUS(status); cleanup: if (handle) { LwNtCloseFile(handle); } RTL_UNICODE_STRING_FREE(&filename.Name); return status; error: goto cleanup; }