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sys: FspBufferUserBuffer

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This commit is contained in:
Bill Zissimopoulos
2016-03-18 15:09:11 -07:00
parent 7ff99da000
commit 3d6397871d
3 changed files with 44 additions and 2 deletions
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10
src/sys/security.c
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@ -59,6 +59,7 @@ static NTSTATUS FspFsvolQuerySecurity(
PVOID Buffer = Irp->UserBuffer;
ULONG Length = IrpSp->Parameters.QuerySecurity.Length;
PVOID SecurityBuffer;
FSP_FSCTL_TRANSACT_REQ *Request;
ASSERT(FileNode == FileDesc->FileNode);
@ -76,7 +77,12 @@ static NTSTATUS FspFsvolQuerySecurity(
FspFileNodeAcquireShared(FileNode, Pgio);
FSP_FSCTL_TRANSACT_REQ *Request;
Result = FspBufferUserBuffer(Irp, Length, IoWriteAccess);
if (!NT_SUCCESS(Result))
{
FspFileNodeRelease(FileNode, Full);
return Result;
}
Result = FspIopCreateRequestEx(Irp, 0, 0, FspFsvolQuerySecurityRequestFini, &Request);
if (!NT_SUCCESS(Result))
@ -110,7 +116,7 @@ NTSTATUS FspFsvolQuerySecurityComplete(
PFILE_OBJECT FileObject = IrpSp->FileObject;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
SECURITY_INFORMATION SecurityInformation = IrpSp->Parameters.QuerySecurity.SecurityInformation;
PVOID Buffer = Irp->UserBuffer;
PVOID Buffer = Irp->AssociatedIrp.SystemBuffer;
ULONG Length = IrpSp->Parameters.QuerySecurity.Length;
PVOID SecurityBuffer = 0;
FSP_FSCTL_TRANSACT_REQ *Request = FspIrpRequest(Irp);