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tst: memfs: support named streams

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This commit is contained in:
Bill Zissimopoulos 2016-10-03 10:58:55 -07:00
parent 6a126da51d
commit dfd6cbbde1
1 changed files with 53 additions and 7 deletions
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60
tst/memfs/memfs.cpp
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@ -68,6 +68,8 @@ typedef struct _MEMFS_FILE_NODE
SIZE_T ReparseDataSize;
PVOID ReparseData;
ULONG RefCount;
/* stream support */
struct _MEMFS_FILE_NODE *MainFileNode;
} MEMFS_FILE_NODE;
struct MEMFS_FILE_NODE_LESS
@ -126,6 +128,21 @@ VOID MemfsFileNodeDelete(MEMFS_FILE_NODE *FileNode)
free(FileNode);
}
static inline
VOID MemfsFileNodeGetFileInfo(MEMFS_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo)
{
if (0 == FileNode->MainFileNode)
*FileInfo = FileNode->FileInfo;
else
{
*FileInfo = FileNode->MainFileNode->FileInfo;
FileInfo->FileAttributes &= ~FILE_ATTRIBUTE_DIRECTORY;
/* named streams cannot be directories */
FileInfo->AllocationSize = FileNode->FileInfo.AllocationSize;
FileInfo->FileSize = FileNode->FileInfo.FileSize;
}
}
static inline
VOID MemfsFileNodeMapDump(MEMFS_FILE_NODE_MAP *FileNodeMap)
{
@ -176,6 +193,21 @@ MEMFS_FILE_NODE *MemfsFileNodeMapGet(MEMFS_FILE_NODE_MAP *FileNodeMap, PWSTR Fil
return iter->second;
}
static inline
MEMFS_FILE_NODE *MemfsFileNodeMapGetMain(MEMFS_FILE_NODE_MAP *FileNodeMap, PWSTR FileName0)
{
WCHAR FileName[MAX_PATH];
wcscpy_s(FileName, sizeof FileName / sizeof(WCHAR), FileName0);
PWSTR StreamName = wcschr(FileName, L':');
if (0 == StreamName)
return 0;
StreamName[0] = L'\0';
MEMFS_FILE_NODE_MAP::iterator iter = FileNodeMap->find(FileName);
if (iter == FileNodeMap->end())
return 0;
return iter->second;
}
static inline
MEMFS_FILE_NODE *MemfsFileNodeMapGetParent(MEMFS_FILE_NODE_MAP *FileNodeMap, PWSTR FileName0,
PNTSTATUS PResult)
@ -366,6 +398,9 @@ static NTSTATUS GetSecurityByName(FSP_FILE_SYSTEM *FileSystem,
return Result;
}
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
if (0 != PFileAttributes)
*PFileAttributes = FileNode->FileInfo.FileAttributes;
@ -416,6 +451,8 @@ static NTSTATUS Create(FSP_FILE_SYSTEM *FileSystem,
if (!NT_SUCCESS(Result))
return Result;
FileNode->MainFileNode = MemfsFileNodeMapGetMain(Memfs->FileNodeMap, FileName);
FileNode->FileInfo.FileAttributes = (FileAttributes & FILE_ATTRIBUTE_DIRECTORY) ?
FileAttributes : FileAttributes | FILE_ATTRIBUTE_ARCHIVE;
@ -453,7 +490,7 @@ static NTSTATUS Create(FSP_FILE_SYSTEM *FileSystem,
FileNode->RefCount++;
*PFileNode = FileNode;
*FileInfo = FileNode->FileInfo;
MemfsFileNodeGetFileInfo(FileNode, FileInfo);
return STATUS_SUCCESS;
}
@ -491,7 +528,7 @@ static NTSTATUS Open(FSP_FILE_SYSTEM *FileSystem,
FileNode->RefCount++;
*PFileNode = FileNode;
*FileInfo = FileNode->FileInfo;
MemfsFileNodeGetFileInfo(FileNode, FileInfo);
return STATUS_SUCCESS;
}
@ -513,7 +550,7 @@ NTSTATUS Overwrite(FSP_FILE_SYSTEM *FileSystem,
FileNode->FileInfo.LastWriteTime =
FileNode->FileInfo.LastAccessTime = MemfsGetSystemTime();
*FileInfo = FileNode->FileInfo;
MemfsFileNodeGetFileInfo(FileNode, FileInfo);
return STATUS_SUCCESS;
}
@ -639,7 +676,7 @@ static NTSTATUS Write(FSP_FILE_SYSTEM *FileSystem,
memcpy((PUINT8)FileNode->FileData + Offset, Buffer, (size_t)(EndOffset - Offset));
*PBytesTransferred = (ULONG)(EndOffset - Offset);
*FileInfo = FileNode->FileInfo;
MemfsFileNodeGetFileInfo(FileNode, FileInfo);
return STATUS_SUCCESS;
}
@ -659,7 +696,7 @@ static NTSTATUS GetFileInfo(FSP_FILE_SYSTEM *FileSystem,
{
MEMFS_FILE_NODE *FileNode = (MEMFS_FILE_NODE *)FileNode0;
*FileInfo = FileNode->FileInfo;
MemfsFileNodeGetFileInfo(FileNode, FileInfo);
return STATUS_SUCCESS;
}
@ -672,6 +709,9 @@ static NTSTATUS SetBasicInfo(FSP_FILE_SYSTEM *FileSystem,
{
MEMFS_FILE_NODE *FileNode = (MEMFS_FILE_NODE *)FileNode0;
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
if (INVALID_FILE_ATTRIBUTES != FileAttributes)
FileNode->FileInfo.FileAttributes = FileAttributes;
if (0 != CreationTime)
@ -681,7 +721,7 @@ static NTSTATUS SetBasicInfo(FSP_FILE_SYSTEM *FileSystem,
if (0 != LastWriteTime)
FileNode->FileInfo.LastWriteTime = LastWriteTime;
*FileInfo = FileNode->FileInfo;
MemfsFileNodeGetFileInfo(FileNode, FileInfo);
return STATUS_SUCCESS;
}
@ -734,7 +774,7 @@ static NTSTATUS SetFileSize(FSP_FILE_SYSTEM *FileSystem,
}
}
*FileInfo = FileNode->FileInfo;
MemfsFileNodeGetFileInfo(FileNode, FileInfo);
return STATUS_SUCCESS;
}
@ -868,6 +908,9 @@ static NTSTATUS GetSecurity(FSP_FILE_SYSTEM *FileSystem,
{
MEMFS_FILE_NODE *FileNode = (MEMFS_FILE_NODE *)FileNode0;
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
if (FileNode->FileSecuritySize > *PSecurityDescriptorSize)
{
*PSecurityDescriptorSize = FileNode->FileSecuritySize;
@ -891,6 +934,9 @@ static NTSTATUS SetSecurity(FSP_FILE_SYSTEM *FileSystem,
SIZE_T FileSecuritySize;
NTSTATUS Result;
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
Result = FspSetSecurityDescriptor(FileSystem, Request, FileNode->FileSecurity,
&NewSecurityDescriptor);
if (!NT_SUCCESS(Result))