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

sys: IRP_MJ_CREATE

Browse Source
This commit is contained in:
Bill Zissimopoulos 2015-12-02 21:56:39 -08:00
parent 26b4727a0b
commit 171c8eff04
5 changed files with 20 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
inc/winfsp/fsctl.h
View File

@ -52,7 +52,8 @@ typedef struct
UINT16 Version;
UINT16 SectorSize;
UINT32 SerialNumber;
BOOLEAN EaSupported;
BOOLEAN EaSupported; /* supports extended attributes (unimplemented; set to 0) */
BOOLEAN FileNameRequired; /* FileName required for all operations (not just Create) */
} FSP_FSCTL_VOLUME_PARAMS;
typedef struct
{
@ -65,9 +66,9 @@ typedef struct
struct
{
UINT8 Placeholder;
WCHAR FileName[];
} Create;
} Req;
WCHAR FileName[];
} FSP_FSCTL_TRANSACT_REQ;
typedef struct
{

2
src/sys/create.c
View File

@ -166,7 +166,7 @@ static NTSTATUS FspFsvolCreate(
*/
/* create the user-mode file system request */
Result = FspIopCreateRequest(Irp, FsContext->FileName.Length, &Request);
Result = FspIopCreateRequest(Irp, &FsContext->FileName, 0, &Request);
if (!NT_SUCCESS(Result))
{
FspFileContextDelete(FsContext);

3
src/sys/driver.h
View File

@ -246,7 +246,8 @@ BOOLEAN FspIoqStartProcessingIrp(FSP_IOQ *Ioq, PIRP Irp);
PIRP FspIoqEndProcessingIrp(FSP_IOQ *Ioq, UINT_PTR IrpHint);
/* I/O processing */
NTSTATUS FspIopCreateRequest(PIRP Irp, ULONG ExtraSize, FSP_FSCTL_TRANSACT_REQ **PRequest);
NTSTATUS FspIopCreateRequest(
PIRP Irp, PUNICODE_STRING FileName, ULONG ExtraSize, FSP_FSCTL_TRANSACT_REQ **PRequest);
VOID FspIopCompleteRequest(PIRP Irp, NTSTATUS Result);
VOID FspIopDispatchComplete(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response);

2
src/sys/fileobj.c
View File

@ -36,7 +36,7 @@ NTSTATUS FspFileContextCreate(ULONG ExtraSize, FSP_FILE_CONTEXT **PFsContext)
RtlZeroMemory(NonPaged, sizeof *NonPaged);
ExInitializeFastMutex(&NonPaged->HeaderFastMutex);
RtlZeroMemory(FsContext, sizeof *FsContext + ExtraSize);
RtlZeroMemory(FsContext, sizeof *FsContext);
FsRtlSetupAdvancedHeader(&FsContext->Header, &NonPaged->HeaderFastMutex);
FsContext->NonPaged = NonPaged;
RtlInitEmptyUnicodeString(&FsContext->FileName, FsContext->FileNameBuf, (USHORT)ExtraSize);

16
src/sys/iop.c
View File

@ -6,7 +6,8 @@
#include <sys/driver.h>
NTSTATUS FspIopCreateRequest(PIRP Irp, ULONG ExtraSize, FSP_FSCTL_TRANSACT_REQ **PRequest);
NTSTATUS FspIopCreateRequest(
PIRP Irp, PUNICODE_STRING FileName, ULONG ExtraSize, FSP_FSCTL_TRANSACT_REQ **PRequest);
VOID FspIopDispatchComplete(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response);
#ifdef ALLOC_PRAGMA
@ -14,20 +15,29 @@ VOID FspIopDispatchComplete(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response);
#pragma alloc_text(PAGE, FspIopDispatchComplete)
#endif
NTSTATUS FspIopCreateRequest(PIRP Irp, ULONG ExtraSize, FSP_FSCTL_TRANSACT_REQ **PRequest)
NTSTATUS FspIopCreateRequest(
PIRP Irp, PUNICODE_STRING FileName, ULONG ExtraSize, FSP_FSCTL_TRANSACT_REQ **PRequest)
{
PAGED_CODE();
*PRequest = 0;
if (0 != FileName)
ExtraSize += FileName->Length + sizeof(WCHAR);
FSP_FSCTL_TRANSACT_REQ *Request = ExAllocatePoolWithTag(PagedPool,
sizeof *Request + ExtraSize, FSP_TAG);
if (0 == Request)
return STATUS_INSUFFICIENT_RESOURCES;
RtlZeroMemory(Request, sizeof *Request + ExtraSize);
RtlZeroMemory(Request, sizeof *Request);
Request->Size = (UINT16)(sizeof *Request + ExtraSize);
Request->Hint = (UINT_PTR)Irp;
if (0 != FileName)
{
memcpy(Request->FileName, FileName->Buffer, FileName->Length);
Request->FileName[FileName->Length / 2] = L'\0';
}
Irp->Tail.Overlay.DriverContext[0] = Request;
*PRequest = Request;