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sys: IRP_MJ_SET_INFORMATION

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This commit is contained in:
Bill Zissimopoulos
2016-02-05 18:30:34 -08:00
parent dc77a1109f
commit 66f54294a2
6 changed files with 253 additions and 16 deletions
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101
tst/winfsp-tests/memfs.cpp
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@ -295,7 +295,7 @@ static NTSTATUS Create(FSP_FILE_SYSTEM *FileSystem,
memcpy(FileNode->FileSecurity, SecurityDescriptor, FileNode->FileSecuritySize);
}
FileNode->FileInfo.AllocationSize = FSP_FSCTL_ALIGN_UP((ULONG)AllocationSize, MEMFS_SECTOR_SIZE);
FileNode->FileInfo.AllocationSize = AllocationSize;
if (0 != FileNode->FileInfo.AllocationSize)
{
FileNode->FileData = malloc(FileNode->FileInfo.AllocationSize);
@ -407,6 +407,96 @@ static NTSTATUS GetFileInfo(FSP_FILE_SYSTEM *FileSystem,
return STATUS_SUCCESS;
}
NTSTATUS SetBasicInfo(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode0, UINT32 FileAttributes,
UINT64 CreationTime, UINT64 LastAccessTime, UINT64 LastWriteTime,
FSP_FSCTL_FILE_INFO *FileInfo)
{
MEMFS_FILE_NODE *FileNode = (MEMFS_FILE_NODE *)FileNode0;
if (INVALID_FILE_ATTRIBUTES != FileAttributes)
FileNode->FileInfo.FileAttributes = FileAttributes;
if (0 != CreationTime)
FileNode->FileInfo.CreationTime = CreationTime;
if (0 != LastAccessTime)
FileNode->FileInfo.CreationTime = LastAccessTime;
if (0 != LastWriteTime)
FileNode->FileInfo.CreationTime = LastWriteTime;
*FileInfo = FileNode->FileInfo;
return STATUS_SUCCESS;
}
NTSTATUS SetAllocationSize(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode0, UINT64 AllocationSize,
FSP_FSCTL_FILE_INFO *FileInfo)
{
MEMFS_FILE_NODE *FileNode = (MEMFS_FILE_NODE *)FileNode0;
PVOID FileData;
FileData = realloc(FileNode->FileData, AllocationSize);
if (0 == FileData)
return STATUS_INSUFFICIENT_RESOURCES;
FileNode->FileData = FileData;
FileNode->FileInfo.AllocationSize = AllocationSize;
if (FileNode->FileInfo.FileSize > AllocationSize)
FileNode->FileInfo.FileSize = AllocationSize;
*FileInfo = FileNode->FileInfo;
return STATUS_SUCCESS;
}
NTSTATUS SetFileSize(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode0, UINT64 FileSize, BOOLEAN AdvanceOnly,
FSP_FSCTL_FILE_INFO *FileInfo)
{
MEMFS_FILE_NODE *FileNode = (MEMFS_FILE_NODE *)FileNode0;
if (FileNode->FileInfo.AllocationSize < FileSize)
{
UINT64 AllocationUnit = MEMFS_SECTOR_SIZE * MEMFS_SECTORS_PER_ALLOCATION_UNIT;
UINT64 AllocationSize = (FileSize + AllocationUnit - 1) / AllocationUnit * AllocationUnit;
NTSTATUS Result = SetAllocationSize(FileSystem, Request, FileNode, AllocationSize, FileInfo);
if (!NT_SUCCESS(Result))
return Result;
}
FileNode->FileInfo.FileSize = FileSize;
*FileInfo = FileNode->FileInfo;
return STATUS_SUCCESS;
}
NTSTATUS CanDelete(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode0)
{
MEMFS *Memfs = (MEMFS *)FileSystem->UserContext;
MEMFS_FILE_NODE *FileNode = (MEMFS_FILE_NODE *)FileNode0;
if (MemfsFileNodeMapHasChild(Memfs->FileNodeMap, FileNode))
return STATUS_DIRECTORY_NOT_EMPTY;
return STATUS_SUCCESS;
}
NTSTATUS Rename(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode,
PWSTR ExistingFileName, PWSTR NewFileName, BOOLEAN ReplaceIfExists)
{
return STATUS_INVALID_DEVICE_REQUEST;
}
static FSP_FILE_SYSTEM_INTERFACE MemfsInterface =
{
GetVolumeInfo,
@ -417,6 +507,11 @@ static FSP_FILE_SYSTEM_INTERFACE MemfsInterface =
Cleanup,
Close,
GetFileInfo,
SetBasicInfo,
SetAllocationSize,
SetFileSize,
CanDelete,
Rename,
};
static VOID MemfsEnterOperation(FSP_FILE_SYSTEM *FileSystem, FSP_FSCTL_TRANSACT_REQ *Request)
@ -439,6 +534,7 @@ NTSTATUS MemfsCreate(ULONG Flags, ULONG FileInfoTimeout,
FSP_FSCTL_VOLUME_PARAMS VolumeParams;
PWSTR DevicePath = (Flags & MemfsNet) ?
L"" FSP_FSCTL_NET_DEVICE_NAME : L"" FSP_FSCTL_DISK_DEVICE_NAME;
UINT64 AllocationUnit;
MEMFS *Memfs;
MEMFS_FILE_NODE *RootNode;
BOOLEAN Inserted;
@ -451,7 +547,8 @@ NTSTATUS MemfsCreate(ULONG Flags, ULONG FileInfoTimeout,
memset(Memfs, 0, sizeof *Memfs);
Memfs->MaxFileNodes = MaxFileNodes;
Memfs->MaxFileSize = FSP_FSCTL_ALIGN_UP(MaxFileSize, MEMFS_SECTOR_SIZE);
AllocationUnit = MEMFS_SECTOR_SIZE * MEMFS_SECTORS_PER_ALLOCATION_UNIT;
Memfs->MaxFileSize = (ULONG)((MaxFileSize + AllocationUnit - 1) / AllocationUnit * AllocationUnit);
Result = MemfsFileNodeMapCreate(&Memfs->FileNodeMap);
if (!NT_SUCCESS(Result))