sys: IRP_MJ_CREATE: FileAttributes

This commit is contained in:
Bill Zissimopoulos
2016-01-20 18:12:08 -08:00
parent 02ab670b39
commit 6adc3e792a
3 changed files with 48 additions and 13 deletions

View File

@ -110,14 +110,23 @@ MEMFS_FILE_NODE *MemfsFileNodeMapGet(MEMFS_FILE_NODE_MAP *FileNodeMap, PWSTR Fil
}
static inline
MEMFS_FILE_NODE *MemfsFileNodeMapGetParent(MEMFS_FILE_NODE_MAP *FileNodeMap, PWSTR FileName)
MEMFS_FILE_NODE *MemfsFileNodeMapGetParent(MEMFS_FILE_NODE_MAP *FileNodeMap, PWSTR FileName,
PNTSTATUS PResult)
{
PWSTR Remain, Suffix;
FspPathSuffix(FileName, &Remain, &Suffix);
MEMFS_FILE_NODE_MAP::iterator iter = FileNodeMap->find(Remain);
FspPathCombine(Remain, Suffix);
if (iter == FileNodeMap->end())
{
*PResult = STATUS_OBJECT_PATH_NOT_FOUND;
return 0;
}
if (0 == (iter->second->FileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
*PResult = STATUS_NOT_A_DIRECTORY;
return 0;
}
return iter->second;
}
@ -152,11 +161,15 @@ static NTSTATUS GetSecurity(FSP_FILE_SYSTEM *FileSystem,
{
MEMFS *Memfs = (MEMFS *)FileSystem->UserContext;
MEMFS_FILE_NODE *FileNode;
NTSTATUS Result;
FileNode = MemfsFileNodeMapGet(Memfs->FileNodeMap, FileName);
if (0 == FileNode)
return !MemfsFileNodeMapGetParent(Memfs->FileNodeMap, FileName) ?
STATUS_OBJECT_PATH_NOT_FOUND : STATUS_OBJECT_NAME_NOT_FOUND;
{
Result = STATUS_OBJECT_NAME_NOT_FOUND;
MemfsFileNodeMapGetParent(Memfs->FileNodeMap, FileName, &Result);
return Result;
}
if (0 != PFileAttributes)
*PFileAttributes = FileNode->FileAttributes;
@ -188,12 +201,15 @@ static NTSTATUS Create(FSP_FILE_SYSTEM *FileSystem,
NTSTATUS Result;
BOOLEAN Inserted;
if (CreateOptions & FILE_DIRECTORY_FILE)
AllocationSize = 0;
FileNode = MemfsFileNodeMapGet(Memfs->FileNodeMap, FileName);
if (0 != FileNode)
return STATUS_OBJECT_NAME_COLLISION;
if (!MemfsFileNodeMapGetParent(Memfs->FileNodeMap, FileName))
return STATUS_OBJECT_PATH_NOT_FOUND;
if (!MemfsFileNodeMapGetParent(Memfs->FileNodeMap, FileName, &Result))
return Result;
if (MemfsFileNodeMapCount(Memfs->FileNodeMap) >= Memfs->MaxFileNodes)
return STATUS_CANNOT_MAKE;
@ -255,11 +271,15 @@ static NTSTATUS Open(FSP_FILE_SYSTEM *FileSystem,
{
MEMFS *Memfs = (MEMFS *)FileSystem->UserContext;
MEMFS_FILE_NODE *FileNode;
NTSTATUS Result;
FileNode = MemfsFileNodeMapGet(Memfs->FileNodeMap, FileName);
if (0 == FileNode)
return !MemfsFileNodeMapGetParent(Memfs->FileNodeMap, FileName) ?
STATUS_OBJECT_PATH_NOT_FOUND : STATUS_OBJECT_NAME_NOT_FOUND;
{
Result = STATUS_OBJECT_NAME_NOT_FOUND;
MemfsFileNodeMapGetParent(Memfs->FileNodeMap, FileName, &Result);
return Result;
}
FileNode->RefCount++;
NodeInfo->FileAttributes = FileNode->FileAttributes;