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inc: fsctl: UmFileNodeIsUserContext2

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This commit is contained in:
Bill Zissimopoulos
2016-09-21 10:40:18 -07:00
parent 76aabecbfb
commit 3ce490d405
7 changed files with 65 additions and 70 deletions
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61
src/dll/fsop.c
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@ -17,6 +17,9 @@
#include <dll/library.h>
#define USERCONTEXT(s) \
FSP_FSCTL_TRANSACT_USERCONTEXT(s, FileSystem->UmFileNodeIsUserContext2)
FSP_API NTSTATUS FspFileSystemOpEnter(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
{
@ -31,7 +34,8 @@ FSP_API NTSTATUS FspFileSystemOpEnter(FSP_FILE_SYSTEM *FileSystem,
10/*FileRenameInformation*/ == Request->Req.SetInformation.FileInformationClass) ||
FspFsctlTransactSetVolumeInformationKind == Request->Kind ||
(FspFsctlTransactFlushBuffersKind == Request->Kind &&
0 == Request->Req.FlushBuffers.UserContext))
0 == Request->Req.FlushBuffers.UserContext &&
0 == Request->Req.FlushBuffers.UserContext2))
{
AcquireSRWLockExclusive(&FileSystem->OpGuardLock);
}
@ -68,7 +72,8 @@ FSP_API NTSTATUS FspFileSystemOpLeave(FSP_FILE_SYSTEM *FileSystem,
10/*FileRenameInformation*/ == Request->Req.SetInformation.FileInformationClass) ||
FspFsctlTransactSetVolumeInformationKind == Request->Kind ||
(FspFsctlTransactFlushBuffersKind == Request->Kind &&
0 == Request->Req.FlushBuffers.UserContext))
0 == Request->Req.FlushBuffers.UserContext &&
0 == Request->Req.FlushBuffers.UserContext2))
{
ReleaseSRWLockExclusive(&FileSystem->OpGuardLock);
}
@ -338,7 +343,7 @@ static NTSTATUS FspFileSystemOpCreate_FileCreate(FSP_FILE_SYSTEM *FileSystem,
return Result;
Response->IoStatus.Information = FILE_CREATED;
Response->Rsp.Create.Opened.UserContext = (UINT_PTR)FileNode;
USERCONTEXT(Response->Rsp.Create.Opened) = (UINT_PTR)FileNode;
Response->Rsp.Create.Opened.GrantedAccess = GrantedAccess;
memcpy(&Response->Rsp.Create.Opened.FileInfo, &FileInfo, sizeof FileInfo);
return STATUS_SUCCESS;
@ -365,7 +370,7 @@ static NTSTATUS FspFileSystemOpCreate_FileOpen(FSP_FILE_SYSTEM *FileSystem,
return Result;
Response->IoStatus.Information = FILE_OPENED;
Response->Rsp.Create.Opened.UserContext = (UINT_PTR)FileNode;
USERCONTEXT(Response->Rsp.Create.Opened) = (UINT_PTR)FileNode;
Response->Rsp.Create.Opened.GrantedAccess = GrantedAccess;
memcpy(&Response->Rsp.Create.Opened.FileInfo, &FileInfo, sizeof FileInfo);
return STATUS_SUCCESS;
@ -428,7 +433,7 @@ static NTSTATUS FspFileSystemOpCreate_FileOpenIf(FSP_FILE_SYSTEM *FileSystem,
}
Response->IoStatus.Information = Create ? FILE_CREATED : FILE_OPENED;
Response->Rsp.Create.Opened.UserContext = (UINT_PTR)FileNode;
USERCONTEXT(Response->Rsp.Create.Opened) = (UINT_PTR)FileNode;
Response->Rsp.Create.Opened.GrantedAccess = GrantedAccess;
memcpy(&Response->Rsp.Create.Opened.FileInfo, &FileInfo, sizeof FileInfo);
return STATUS_SUCCESS;
@ -456,7 +461,7 @@ static NTSTATUS FspFileSystemOpCreate_FileOverwrite(FSP_FILE_SYSTEM *FileSystem,
return Result;
Response->IoStatus.Information = Supersede ? FILE_SUPERSEDED : FILE_OVERWRITTEN;
Response->Rsp.Create.Opened.UserContext = (UINT_PTR)FileNode;
USERCONTEXT(Response->Rsp.Create.Opened) = (UINT_PTR)FileNode;
Response->Rsp.Create.Opened.GrantedAccess = GrantedAccess;
memcpy(&Response->Rsp.Create.Opened.FileInfo, &FileInfo, sizeof FileInfo);
return STATUS_SUCCESS;
@ -519,7 +524,7 @@ static NTSTATUS FspFileSystemOpCreate_FileOverwriteIf(FSP_FILE_SYSTEM *FileSyste
}
Response->IoStatus.Information = Create ? FILE_CREATED : FILE_OVERWRITTEN;
Response->Rsp.Create.Opened.UserContext = (UINT_PTR)FileNode;
USERCONTEXT(Response->Rsp.Create.Opened) = (UINT_PTR)FileNode;
Response->Rsp.Create.Opened.GrantedAccess = GrantedAccess;
memcpy(&Response->Rsp.Create.Opened.FileInfo, &FileInfo, sizeof FileInfo);
return STATUS_SUCCESS;
@ -558,7 +563,7 @@ static NTSTATUS FspFileSystemOpCreate_FileOpenTargetDirectory(FSP_FILE_SYSTEM *F
}
Response->IoStatus.Information = Information;
Response->Rsp.Create.Opened.UserContext = (UINT_PTR)FileNode;
USERCONTEXT(Response->Rsp.Create.Opened) = (UINT_PTR)FileNode;
Response->Rsp.Create.Opened.GrantedAccess = GrantedAccess;
memcpy(&Response->Rsp.Create.Opened.FileInfo, &FileInfo, sizeof FileInfo);
return STATUS_SUCCESS;
@ -604,7 +609,7 @@ FSP_API NTSTATUS FspFileSystemOpOverwrite(FSP_FILE_SYSTEM *FileSystem,
memset(&FileInfo, 0, sizeof FileInfo);
Result = FileSystem->Interface->Overwrite(FileSystem, Request,
(PVOID)Request->Req.Overwrite.UserContext,
(PVOID)USERCONTEXT(Request->Req.Overwrite),
Request->Req.Overwrite.FileAttributes,
Request->Req.Overwrite.Supersede,
&FileInfo);
@ -612,7 +617,7 @@ FSP_API NTSTATUS FspFileSystemOpOverwrite(FSP_FILE_SYSTEM *FileSystem,
{
if (0 != FileSystem->Interface->Close)
FileSystem->Interface->Close(FileSystem, Request,
(PVOID)Request->Req.Overwrite.UserContext);
(PVOID)USERCONTEXT(Request->Req.Overwrite));
return Result;
}
@ -625,7 +630,7 @@ FSP_API NTSTATUS FspFileSystemOpCleanup(FSP_FILE_SYSTEM *FileSystem,
{
if (0 != FileSystem->Interface->Cleanup)
FileSystem->Interface->Cleanup(FileSystem, Request,
(PVOID)Request->Req.Cleanup.UserContext,
(PVOID)USERCONTEXT(Request->Req.Cleanup),
0 != Request->FileName.Size ? (PWSTR)Request->Buffer : 0,
0 != Request->Req.Cleanup.Delete);
@ -637,7 +642,7 @@ FSP_API NTSTATUS FspFileSystemOpClose(FSP_FILE_SYSTEM *FileSystem,
{
if (0 != FileSystem->Interface->Close)
FileSystem->Interface->Close(FileSystem, Request,
(PVOID)Request->Req.Close.UserContext);
(PVOID)USERCONTEXT(Request->Req.Close));
return STATUS_SUCCESS;
}
@ -653,7 +658,7 @@ FSP_API NTSTATUS FspFileSystemOpRead(FSP_FILE_SYSTEM *FileSystem,
BytesTransferred = 0;
Result = FileSystem->Interface->Read(FileSystem, Request,
(PVOID)Request->Req.Read.UserContext,
(PVOID)USERCONTEXT(Request->Req.Read),
(PVOID)Request->Req.Read.Address,
Request->Req.Read.Offset,
Request->Req.Read.Length,
@ -679,7 +684,7 @@ FSP_API NTSTATUS FspFileSystemOpWrite(FSP_FILE_SYSTEM *FileSystem,
BytesTransferred = 0;
Result = FileSystem->Interface->Write(FileSystem, Request,
(PVOID)Request->Req.Write.UserContext,
(PVOID)USERCONTEXT(Request->Req.Write),
(PVOID)Request->Req.Write.Address,
Request->Req.Write.Offset,
Request->Req.Write.Length,
@ -706,7 +711,7 @@ FSP_API NTSTATUS FspFileSystemOpFlushBuffers(FSP_FILE_SYSTEM *FileSystem,
return STATUS_SUCCESS; /* liar! */
return FileSystem->Interface->Flush(FileSystem, Request,
(PVOID)Request->Req.FlushBuffers.UserContext);
(PVOID)USERCONTEXT(Request->Req.FlushBuffers));
}
FSP_API NTSTATUS FspFileSystemOpQueryInformation(FSP_FILE_SYSTEM *FileSystem,
@ -720,7 +725,7 @@ FSP_API NTSTATUS FspFileSystemOpQueryInformation(FSP_FILE_SYSTEM *FileSystem,
memset(&FileInfo, 0, sizeof FileInfo);
Result = FileSystem->Interface->GetFileInfo(FileSystem, Request,
(PVOID)Request->Req.QueryInformation.UserContext, &FileInfo);
(PVOID)USERCONTEXT(Request->Req.QueryInformation), &FileInfo);
if (!NT_SUCCESS(Result))
return Result;
@ -741,7 +746,7 @@ FSP_API NTSTATUS FspFileSystemOpSetInformation(FSP_FILE_SYSTEM *FileSystem,
case 4/*FileBasicInformation*/:
if (0 != FileSystem->Interface->SetBasicInfo)
Result = FileSystem->Interface->SetBasicInfo(FileSystem, Request,
(PVOID)Request->Req.SetInformation.UserContext,
(PVOID)USERCONTEXT(Request->Req.SetInformation),
Request->Req.SetInformation.Info.Basic.FileAttributes,
Request->Req.SetInformation.Info.Basic.CreationTime,
Request->Req.SetInformation.Info.Basic.LastAccessTime,
@ -751,14 +756,14 @@ FSP_API NTSTATUS FspFileSystemOpSetInformation(FSP_FILE_SYSTEM *FileSystem,
case 19/*FileAllocationInformation*/:
if (0 != FileSystem->Interface->SetFileSize)
Result = FileSystem->Interface->SetFileSize(FileSystem, Request,
(PVOID)Request->Req.SetInformation.UserContext,
(PVOID)USERCONTEXT(Request->Req.SetInformation),
Request->Req.SetInformation.Info.Allocation.AllocationSize, TRUE,
&FileInfo);
break;
case 20/*FileEndOfFileInformation*/:
if (0 != FileSystem->Interface->SetFileSize)
Result = FileSystem->Interface->SetFileSize(FileSystem, Request,
(PVOID)Request->Req.SetInformation.UserContext,
(PVOID)USERCONTEXT(Request->Req.SetInformation),
Request->Req.SetInformation.Info.EndOfFile.FileSize, FALSE,
&FileInfo);
break;
@ -766,7 +771,7 @@ FSP_API NTSTATUS FspFileSystemOpSetInformation(FSP_FILE_SYSTEM *FileSystem,
if (0 != FileSystem->Interface->GetFileInfo)
{
Result = FileSystem->Interface->GetFileInfo(FileSystem, Request,
(PVOID)Request->Req.SetInformation.UserContext, &FileInfo);
(PVOID)USERCONTEXT(Request->Req.SetInformation), &FileInfo);
if (NT_SUCCESS(Result) && 0 != (FileInfo.FileAttributes & FILE_ATTRIBUTE_READONLY))
{
Result = STATUS_CANNOT_DELETE;
@ -776,7 +781,7 @@ FSP_API NTSTATUS FspFileSystemOpSetInformation(FSP_FILE_SYSTEM *FileSystem,
if (0 != FileSystem->Interface->CanDelete)
if (Request->Req.SetInformation.Info.Disposition.Delete)
Result = FileSystem->Interface->CanDelete(FileSystem, Request,
(PVOID)Request->Req.SetInformation.UserContext,
(PVOID)USERCONTEXT(Request->Req.SetInformation),
(PWSTR)Request->Buffer);
else
Result = STATUS_SUCCESS;
@ -793,7 +798,7 @@ FSP_API NTSTATUS FspFileSystemOpSetInformation(FSP_FILE_SYSTEM *FileSystem,
break;
}
Result = FileSystem->Interface->Rename(FileSystem, Request,
(PVOID)Request->Req.SetInformation.UserContext,
(PVOID)USERCONTEXT(Request->Req.SetInformation),
(PWSTR)Request->Buffer,
(PWSTR)(Request->Buffer + Request->Req.SetInformation.Info.Rename.NewFileName.Offset),
0 != Request->Req.SetInformation.Info.Rename.AccessToken);
@ -862,7 +867,7 @@ FSP_API NTSTATUS FspFileSystemOpQueryDirectory(FSP_FILE_SYSTEM *FileSystem,
BytesTransferred = 0;
Result = FileSystem->Interface->ReadDirectory(FileSystem, Request,
(PVOID)Request->Req.QueryDirectory.UserContext,
(PVOID)USERCONTEXT(Request->Req.QueryDirectory),
(PVOID)Request->Req.QueryDirectory.Address,
Request->Req.QueryDirectory.Offset,
Request->Req.QueryDirectory.Length,
@ -896,7 +901,7 @@ FSP_API NTSTATUS FspFileSystemOpFileSystemControl(FSP_FILE_SYSTEM *FileSystem,
Size = FSP_FSCTL_TRANSACT_RSP_BUFFER_SIZEMAX;
Result = FileSystem->Interface->GetReparsePoint(FileSystem, Request,
(PVOID)Request->Req.FileSystemControl.UserContext,
(PVOID)USERCONTEXT(Request->Req.FileSystemControl),
(PWSTR)Request->Buffer, ReparseData, &Size);
if (NT_SUCCESS(Result))
{
@ -913,7 +918,7 @@ FSP_API NTSTATUS FspFileSystemOpFileSystemControl(FSP_FILE_SYSTEM *FileSystem,
(Request->Buffer + Request->Req.FileSystemControl.Buffer.Offset);
Result = FileSystem->Interface->SetReparsePoint(FileSystem, Request,
(PVOID)Request->Req.FileSystemControl.UserContext,
(PVOID)USERCONTEXT(Request->Req.FileSystemControl),
(PWSTR)Request->Buffer,
ReparseData,
Request->Req.FileSystemControl.Buffer.Size);
@ -926,7 +931,7 @@ FSP_API NTSTATUS FspFileSystemOpFileSystemControl(FSP_FILE_SYSTEM *FileSystem,
(Request->Buffer + Request->Req.FileSystemControl.Buffer.Offset);
Result = FileSystem->Interface->DeleteReparsePoint(FileSystem, Request,
(PVOID)Request->Req.FileSystemControl.UserContext,
(PVOID)USERCONTEXT(Request->Req.FileSystemControl),
(PWSTR)Request->Buffer,
ReparseData,
Request->Req.FileSystemControl.Buffer.Size);
@ -948,7 +953,7 @@ FSP_API NTSTATUS FspFileSystemOpQuerySecurity(FSP_FILE_SYSTEM *FileSystem,
SecurityDescriptorSize = FSP_FSCTL_TRANSACT_RSP_SIZEMAX - sizeof *Response;
Result = FileSystem->Interface->GetSecurity(FileSystem, Request,
(PVOID)Request->Req.QuerySecurity.UserContext,
(PVOID)USERCONTEXT(Request->Req.QuerySecurity),
Response->Buffer, &SecurityDescriptorSize);
if (!NT_SUCCESS(Result))
return STATUS_BUFFER_OVERFLOW != Result ? Result : STATUS_INVALID_SECURITY_DESCR;
@ -966,7 +971,7 @@ FSP_API NTSTATUS FspFileSystemOpSetSecurity(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST;
return FileSystem->Interface->SetSecurity(FileSystem, Request,
(PVOID)Request->Req.SetSecurity.UserContext,
(PVOID)USERCONTEXT(Request->Req.SetSecurity),
Request->Req.SetSecurity.SecurityInformation,
(PSECURITY_DESCRIPTOR)Request->Buffer);
}