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dll: reparse points: allow file system to provide directory symlink behavior

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This commit is contained in:
Bill Zissimopoulos
2016-08-22 00:04:49 -07:00
parent fee75590a8
commit 981e60643f
4 changed files with 27 additions and 18 deletions
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12
tst/memfs/memfs.cpp
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@ -276,8 +276,8 @@ BOOLEAN MemfsFileNodeMapEnumerateDescendants(MEMFS_FILE_NODE_MAP *FileNodeMap, M
}
static NTSTATUS GetReparsePointByName(
FSP_FILE_SYSTEM *FileSystem,
PVOID Context, PWSTR FileName, PVOID Buffer, PSIZE_T PSize);
FSP_FILE_SYSTEM *FileSystem, PVOID Context,
PWSTR FileName, BOOLEAN IsDirectory, PVOID Buffer, PSIZE_T PSize);
static NTSTATUS SetFileSize(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
@ -954,8 +954,8 @@ static NTSTATUS ResolveReparsePoints(FSP_FILE_SYSTEM *FileSystem,
}
static NTSTATUS GetReparsePointByName(
FSP_FILE_SYSTEM *FileSystem,
PVOID Context, PWSTR FileName, PVOID Buffer, PSIZE_T PSize)
FSP_FILE_SYSTEM *FileSystem, PVOID Context,
PWSTR FileName, BOOLEAN IsDirectory, PVOID Buffer, PSIZE_T PSize)
{
MEMFS *Memfs = (MEMFS *)FileSystem->UserContext;
MEMFS_FILE_NODE *FileNode;
@ -967,6 +967,10 @@ static NTSTATUS GetReparsePointByName(
if (0 == (FileNode->FileInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT))
return STATUS_NOT_A_REPARSE_POINT;
if (IsDirectory &&
0 == (FileNode->FileInfo.FileAttributes & FILE_ATTRIBUTE_DIRECTORY))
return STATUS_NOT_A_DIRECTORY;
if (0 != Buffer)
{
if (FileNode->ReparseDataSize > *PSize)