Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-04-23 17:03:12 -05:00
Code Issues Packages Projects Releases Wiki Activity

dll: share access support

Browse Source
This commit is contained in:
Bill Zissimopoulos 2016-01-03 15:31:06 -08:00
parent b3f9e7e32d
commit 6f5a290a81
3 changed files with 30 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
inc/winfsp/winfsp.h
View File

@ -25,6 +25,21 @@
* File System * File System
*/ */
typedef struct _FSP_FILE_SYSTEM FSP_FILE_SYSTEM; typedef struct _FSP_FILE_SYSTEM FSP_FILE_SYSTEM;
typedef struct _FSP_FILE_NODE
{
PVOID UserContext;
DWORD Flags;
struct
{
ULONG OpenCount;
ULONG Readers;
ULONG Writers;
ULONG Deleters;
ULONG SharedRead;
ULONG SharedWrite;
ULONG SharedDelete;
} ShareAccess;
} FSP_FILE_NODE;
typedef VOID FSP_FILE_SYSTEM_DISPATCHER(FSP_FILE_SYSTEM *, FSP_FSCTL_TRANSACT_REQ *); typedef VOID FSP_FILE_SYSTEM_DISPATCHER(FSP_FILE_SYSTEM *, FSP_FSCTL_TRANSACT_REQ *);
typedef NTSTATUS FSP_FILE_SYSTEM_OPERATION(FSP_FILE_SYSTEM *, FSP_FSCTL_TRANSACT_REQ *); typedef NTSTATUS FSP_FILE_SYSTEM_OPERATION(FSP_FILE_SYSTEM *, FSP_FSCTL_TRANSACT_REQ *);
typedef struct _FSP_FILE_SYSTEM_INTERFACE typedef struct _FSP_FILE_SYSTEM_INTERFACE
@ -34,7 +49,7 @@ typedef struct _FSP_FILE_SYSTEM_INTERFACE
NTSTATUS (*QuerySecurity)(FSP_FILE_SYSTEM *, NTSTATUS (*QuerySecurity)(FSP_FILE_SYSTEM *,
PWSTR, SECURITY_INFORMATION, PSECURITY_DESCRIPTOR, SIZE_T *); PWSTR, SECURITY_INFORMATION, PSECURITY_DESCRIPTOR, SIZE_T *);
NTSTATUS (*FileCreate)(FSP_FILE_SYSTEM *, NTSTATUS (*FileCreate)(FSP_FILE_SYSTEM *,
FSP_FSCTL_TRANSACT_REQ *, PVOID *File); FSP_FSCTL_TRANSACT_REQ *, FSP_FILE_NODE **FileNode);
} FSP_FILE_SYSTEM_INTERFACE; } FSP_FILE_SYSTEM_INTERFACE;
typedef struct _FSP_FILE_SYSTEM typedef struct _FSP_FILE_SYSTEM
{ {
@ -128,6 +143,8 @@ FSP_API PGENERIC_MAPPING FspGetFileGenericMapping(VOID);
FSP_API NTSTATUS FspAccessCheck(FSP_FILE_SYSTEM *FileSystem, FSP_API NTSTATUS FspAccessCheck(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, BOOLEAN AllowTraverseCheck, DWORD DesiredAccess, FSP_FSCTL_TRANSACT_REQ *Request, BOOLEAN AllowTraverseCheck, DWORD DesiredAccess,
PDWORD PGrantedAccess); PDWORD PGrantedAccess);
FSP_API NTSTATUS FspShareCheck(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FILE_NODE *FileNode);
/* /*
* Path Handling * Path Handling

6
src/dll/access.c
View File

@ -117,3 +117,9 @@ exit:
return Result; return Result;
} }
FSP_API NTSTATUS FspShareCheck(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FILE_NODE *FileNode)
{
return STATUS_SUCCESS;
}

10
src/dll/create.c
View File

@ -14,7 +14,7 @@ static NTSTATUS FspFileSystemOpCreate_FileCreate(FSP_FILE_SYSTEM *FileSystem,
NTSTATUS Result; NTSTATUS Result;
DWORD GrantedAccess; DWORD GrantedAccess;
PVOID File; FSP_FILE_NODE *FileNode;
FSP_FSCTL_TRANSACT_RSP Response; FSP_FSCTL_TRANSACT_RSP Response;
Result = FspAccessCheck(FileSystem, Request, TRUE, Result = FspAccessCheck(FileSystem, Request, TRUE,
@ -24,11 +24,13 @@ static NTSTATUS FspFileSystemOpCreate_FileCreate(FSP_FILE_SYSTEM *FileSystem,
if (!NT_SUCCESS(Result)) if (!NT_SUCCESS(Result))
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result); return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
Result = FileSystem->Interface->FileCreate(FileSystem, Request, &File); Result = FileSystem->Interface->FileCreate(FileSystem, Request, &FileNode);
if (!NT_SUCCESS(Result)) if (!NT_SUCCESS(Result))
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result); return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
/* !!!: set share access */ Result = FspShareCheck(FileSystem, Request, FileNode);
if (!NT_SUCCESS(Result))
return FspFileSystemSendResponseWithStatus(FileSystem, Request, Result);
memset(&Response, 0, sizeof Response); memset(&Response, 0, sizeof Response);
Response.Size = sizeof Response; Response.Size = sizeof Response;
@ -36,7 +38,7 @@ static NTSTATUS FspFileSystemOpCreate_FileCreate(FSP_FILE_SYSTEM *FileSystem,
Response.Hint = Request->Hint; Response.Hint = Request->Hint;
Response.IoStatus.Status = STATUS_SUCCESS; Response.IoStatus.Status = STATUS_SUCCESS;
Response.IoStatus.Information = FILE_CREATED; Response.IoStatus.Information = FILE_CREATED;
Response.Rsp.Create.Opened.UserContext = (UINT_PTR)File; Response.Rsp.Create.Opened.UserContext = (UINT_PTR)FileNode;
Response.Rsp.Create.Opened.GrantedAccess = GrantedAccess; Response.Rsp.Create.Opened.GrantedAccess = GrantedAccess;
return FspFileSystemSendResponse(FileSystem, &Response); return FspFileSystemSendResponse(FileSystem, &Response);
} }