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Implemented IoCheckDesiredAccess() and IoGetInitialStack().

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svn path=/trunk/; revision=3300
This commit is contained in:
Eric Kohl 2002-07-24 17:49:31 +00:00
parent d6e258cc9e
commit a79a9cbba6
2 changed files with 212 additions and 180 deletions
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60
reactos/ntoskrnl/io/process.c
View file

@ -1,4 +1,22 @@
/* $Id: process.c,v 1.11 2000/10/07 13:41:51 dwelch Exp $ /*
* ReactOS kernel
* Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: process.c,v 1.12 2002/07/24 17:49:31 ekohl Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -19,32 +37,32 @@
/* FUNCTIONS *****************************************************************/ /* FUNCTIONS *****************************************************************/
PVOID STDCALL PVOID STDCALL
IoGetInitialStack (VOID) IoGetInitialStack(VOID)
{ {
UNIMPLEMENTED; return(PsGetCurrentThread()->Tcb.InitialStack);
} }
VOID STDCALL VOID STDCALL
IoGetStackLimits (PULONG LowLimit, IoGetStackLimits(OUT PULONG LowLimit,
PULONG HighLimit) OUT PULONG HighLimit)
{ {
*LowLimit = (ULONG)NtCurrentTeb ()->Tib.StackLimit; *LowLimit = (ULONG)NtCurrentTeb()->Tib.StackLimit;
*HighLimit = (ULONG)NtCurrentTeb ()->Tib.StackBase; *HighLimit = (ULONG)NtCurrentTeb()->Tib.StackBase;
} }
PEPROCESS STDCALL PEPROCESS STDCALL
IoThreadToProcess (IN PETHREAD Thread) IoThreadToProcess(IN PETHREAD Thread)
{ {
return (Thread->ThreadsProcess); return(Thread->ThreadsProcess);
} }
PEPROCESS STDCALL PEPROCESS STDCALL
IoGetRequestorProcess (IN PIRP Irp) IoGetRequestorProcess(IN PIRP Irp)
{ {
return (Irp->Tail.Overlay.Thread->ThreadsProcess); return(Irp->Tail.Overlay.Thread->ThreadsProcess);
} }
@ -62,21 +80,13 @@ IoGetRequestorProcess (IN PIRP Irp)
* processing policy. * processing policy.
*/ */
BOOLEAN STDCALL EXPORTED BOOLEAN STDCALL EXPORTED
IoSetThreadHardErrorMode (IN BOOLEAN HardErrorEnabled) IoSetThreadHardErrorMode(IN BOOLEAN HardErrorEnabled)
{ {
BOOLEAN PreviousHEM = NtCurrentTeb ()->HardErrorDisabled; BOOLEAN PreviousHEM = NtCurrentTeb()->HardErrorDisabled;
NtCurrentTeb ()->HardErrorDisabled = ( NtCurrentTeb()->HardErrorDisabled = ((TRUE == HardErrorEnabled) ? FALSE : TRUE);
(TRUE == HardErrorEnabled)
? FALSE return((TRUE == PreviousHEM) ? FALSE : TRUE);
: TRUE
);
return (
(TRUE == PreviousHEM)
? FALSE
: TRUE
);
} }
/* EOF */ /* EOF */

332
reactos/ntoskrnl/io/share.c
View file

@ -1,4 +1,22 @@
/* $Id: share.c,v 1.5 2002/01/21 11:42:04 ekohl Exp $ /*
* ReactOS kernel
* Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: share.c,v 1.6 2002/07/24 17:49:31 ekohl Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -63,203 +81,203 @@ IoUpdateShareAccess(PFILE_OBJECT FileObject,
NTSTATUS STDCALL NTSTATUS STDCALL
IoCheckShareAccess(ACCESS_MASK DesiredAccess, IoCheckShareAccess(IN ACCESS_MASK DesiredAccess,
ULONG DesiredShareAccess, IN ULONG DesiredShareAccess,
PFILE_OBJECT FileObject, IN PFILE_OBJECT FileObject,
PSHARE_ACCESS ShareAccess, IN PSHARE_ACCESS ShareAccess,
BOOLEAN Update) IN BOOLEAN Update)
{ {
BOOLEAN ReadAccess; BOOLEAN ReadAccess;
BOOLEAN WriteAccess; BOOLEAN WriteAccess;
BOOLEAN DeleteAccess; BOOLEAN DeleteAccess;
BOOLEAN SharedRead; BOOLEAN SharedRead;
BOOLEAN SharedWrite; BOOLEAN SharedWrite;
BOOLEAN SharedDelete; BOOLEAN SharedDelete;
ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE)); ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE));
WriteAccess = (DesiredAccess & (FILE_READ_DATA | FILE_APPEND_DATA)); WriteAccess = (DesiredAccess & (FILE_READ_DATA | FILE_APPEND_DATA));
DeleteAccess = (DesiredAccess & DELETE); DeleteAccess = (DesiredAccess & DELETE);
FileObject->ReadAccess = ReadAccess; FileObject->ReadAccess = ReadAccess;
FileObject->WriteAccess = WriteAccess; FileObject->WriteAccess = WriteAccess;
FileObject->DeleteAccess = DeleteAccess; FileObject->DeleteAccess = DeleteAccess;
if (!ReadAccess && !WriteAccess && !DeleteAccess) if (!ReadAccess && !WriteAccess && !DeleteAccess)
{ {
return (STATUS_SUCCESS); return(STATUS_SUCCESS);
} }
SharedRead = (DesiredShareAccess & FILE_SHARE_READ); SharedRead = (DesiredShareAccess & FILE_SHARE_READ);
SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE); SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE);
SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE); SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE);
FileObject->SharedRead = SharedRead; FileObject->SharedRead = SharedRead;
FileObject->SharedWrite = SharedWrite; FileObject->SharedWrite = SharedWrite;
FileObject->SharedDelete = SharedDelete; FileObject->SharedDelete = SharedDelete;
if (ReadAccess) if (ReadAccess)
{ {
if (ShareAccess->SharedRead < ShareAccess->OpenCount) if (ShareAccess->SharedRead < ShareAccess->OpenCount)
return (STATUS_SHARING_VIOLATION); return(STATUS_SHARING_VIOLATION);
} }
if (WriteAccess) if (WriteAccess)
{ {
if (ShareAccess->SharedWrite < ShareAccess->OpenCount) if (ShareAccess->SharedWrite < ShareAccess->OpenCount)
return (STATUS_SHARING_VIOLATION); return(STATUS_SHARING_VIOLATION);
} }
if (DeleteAccess) if (DeleteAccess)
{ {
if (ShareAccess->SharedDelete < ShareAccess->OpenCount) if (ShareAccess->SharedDelete < ShareAccess->OpenCount)
return (STATUS_SHARING_VIOLATION); return(STATUS_SHARING_VIOLATION);
} }
if (ShareAccess->Readers != 0) if (ShareAccess->Readers != 0)
{ {
if (SharedRead == FALSE) if (SharedRead == FALSE)
return (STATUS_SHARING_VIOLATION); return(STATUS_SHARING_VIOLATION);
} }
if (ShareAccess->Writers != 0) if (ShareAccess->Writers != 0)
{ {
if (SharedWrite == FALSE) if (SharedWrite == FALSE)
return (STATUS_SHARING_VIOLATION); return(STATUS_SHARING_VIOLATION);
} }
if (ShareAccess->Deleters != 0) if (ShareAccess->Deleters != 0)
{ {
if (SharedDelete == FALSE) if (SharedDelete == FALSE)
return (STATUS_SHARING_VIOLATION); return(STATUS_SHARING_VIOLATION);
} }
if (Update == TRUE) if (Update == TRUE)
{ {
ShareAccess->OpenCount++; ShareAccess->OpenCount++;
if (ReadAccess == TRUE) if (ReadAccess == TRUE)
ShareAccess->Readers++; ShareAccess->Readers++;
if (WriteAccess == TRUE) if (WriteAccess == TRUE)
ShareAccess->Writers++; ShareAccess->Writers++;
if (DeleteAccess == TRUE) if (DeleteAccess == TRUE)
ShareAccess->Deleters++; ShareAccess->Deleters++;
if (SharedRead == TRUE) if (SharedRead == TRUE)
ShareAccess->SharedRead++; ShareAccess->SharedRead++;
if (SharedWrite == TRUE) if (SharedWrite == TRUE)
ShareAccess->SharedWrite++; ShareAccess->SharedWrite++;
if (SharedDelete == TRUE) if (SharedDelete == TRUE)
ShareAccess->SharedDelete++; ShareAccess->SharedDelete++;
} }
return (STATUS_SUCCESS); return(STATUS_SUCCESS);
} }
VOID STDCALL VOID STDCALL
IoRemoveShareAccess(PFILE_OBJECT FileObject, IoRemoveShareAccess(IN PFILE_OBJECT FileObject,
PSHARE_ACCESS ShareAccess) IN PSHARE_ACCESS ShareAccess)
{ {
if ((FileObject->ReadAccess == FALSE) && if ((FileObject->ReadAccess == FALSE) &&
(FileObject->WriteAccess == FALSE) && (FileObject->WriteAccess == FALSE) &&
(FileObject->DeleteAccess == FALSE)) (FileObject->DeleteAccess == FALSE))
{ {
return; return;
} }
ShareAccess->OpenCount--; ShareAccess->OpenCount--;
if (FileObject->ReadAccess == TRUE) if (FileObject->ReadAccess == TRUE)
{ {
ShareAccess->Readers--; ShareAccess->Readers--;
} }
if (FileObject->WriteAccess == TRUE) if (FileObject->WriteAccess == TRUE)
{ {
ShareAccess->Writers--; ShareAccess->Writers--;
} }
if (FileObject->DeleteAccess == TRUE) if (FileObject->DeleteAccess == TRUE)
{ {
ShareAccess->Deleters--; ShareAccess->Deleters--;
} }
if (FileObject->SharedRead == TRUE) if (FileObject->SharedRead == TRUE)
{ {
ShareAccess->SharedRead--; ShareAccess->SharedRead--;
} }
if (FileObject->SharedWrite == TRUE) if (FileObject->SharedWrite == TRUE)
{ {
ShareAccess->SharedWrite--; ShareAccess->SharedWrite--;
} }
if (FileObject->SharedDelete == TRUE) if (FileObject->SharedDelete == TRUE)
{ {
ShareAccess->SharedDelete--; ShareAccess->SharedDelete--;
} }
} }
VOID STDCALL VOID STDCALL
IoSetShareAccess(ACCESS_MASK DesiredAccess, IoSetShareAccess(IN ACCESS_MASK DesiredAccess,
ULONG DesiredShareAccess, IN ULONG DesiredShareAccess,
PFILE_OBJECT FileObject, IN PFILE_OBJECT FileObject,
PSHARE_ACCESS ShareAccess) OUT PSHARE_ACCESS ShareAccess)
{ {
BOOLEAN ReadAccess; BOOLEAN ReadAccess;
BOOLEAN WriteAccess; BOOLEAN WriteAccess;
BOOLEAN DeleteAccess; BOOLEAN DeleteAccess;
BOOLEAN SharedRead; BOOLEAN SharedRead;
BOOLEAN SharedWrite; BOOLEAN SharedWrite;
BOOLEAN SharedDelete; BOOLEAN SharedDelete;
ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE)); ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE));
WriteAccess = (DesiredAccess & (FILE_READ_DATA | FILE_APPEND_DATA)); WriteAccess = (DesiredAccess & (FILE_READ_DATA | FILE_APPEND_DATA));
DeleteAccess = (DesiredAccess & DELETE); DeleteAccess = (DesiredAccess & DELETE);
FileObject->ReadAccess = ReadAccess; FileObject->ReadAccess = ReadAccess;
FileObject->WriteAccess = WriteAccess; FileObject->WriteAccess = WriteAccess;
FileObject->DeleteAccess = DeleteAccess; FileObject->DeleteAccess = DeleteAccess;
if (!ReadAccess && !WriteAccess && !DeleteAccess) if (!ReadAccess && !WriteAccess && !DeleteAccess)
{ {
FileObject->SharedRead = FALSE; FileObject->SharedRead = FALSE;
FileObject->SharedWrite = FALSE; FileObject->SharedWrite = FALSE;
FileObject->SharedDelete = FALSE; FileObject->SharedDelete = FALSE;
ShareAccess->OpenCount = 0; ShareAccess->OpenCount = 0;
ShareAccess->Readers = 0; ShareAccess->Readers = 0;
ShareAccess->Writers = 0; ShareAccess->Writers = 0;
ShareAccess->Deleters = 0; ShareAccess->Deleters = 0;
ShareAccess->SharedRead = 0; ShareAccess->SharedRead = 0;
ShareAccess->SharedWrite = 0; ShareAccess->SharedWrite = 0;
ShareAccess->SharedDelete = 0; ShareAccess->SharedDelete = 0;
} }
else else
{ {
SharedRead = (DesiredShareAccess & FILE_SHARE_READ); SharedRead = (DesiredShareAccess & FILE_SHARE_READ);
SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE); SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE);
SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE); SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE);
FileObject->SharedRead = SharedRead; FileObject->SharedRead = SharedRead;
FileObject->SharedWrite = SharedWrite; FileObject->SharedWrite = SharedWrite;
FileObject->SharedDelete = SharedDelete; FileObject->SharedDelete = SharedDelete;
ShareAccess->OpenCount = 1; ShareAccess->OpenCount = 1;
ShareAccess->Readers = (ReadAccess) ? 1 : 0; ShareAccess->Readers = (ReadAccess) ? 1 : 0;
ShareAccess->Writers = (WriteAccess) ? 1 : 0; ShareAccess->Writers = (WriteAccess) ? 1 : 0;
ShareAccess->Deleters = (DeleteAccess) ? 1 : 0; ShareAccess->Deleters = (DeleteAccess) ? 1 : 0;
ShareAccess->SharedRead = (SharedRead) ? 1 : 0; ShareAccess->SharedRead = (SharedRead) ? 1 : 0;
ShareAccess->SharedWrite = (SharedWrite) ? 1 : 0; ShareAccess->SharedWrite = (SharedWrite) ? 1 : 0;
ShareAccess->SharedDelete = (SharedDelete) ? 1 : 0; ShareAccess->SharedDelete = (SharedDelete) ? 1 : 0;
} }
} }
@ -267,8 +285,12 @@ NTSTATUS STDCALL
IoCheckDesiredAccess(IN OUT PACCESS_MASK DesiredAccess, IoCheckDesiredAccess(IN OUT PACCESS_MASK DesiredAccess,
IN ACCESS_MASK GrantedAccess) IN ACCESS_MASK GrantedAccess)
{ {
UNIMPLEMENTED; RtlMapGenericMask(DesiredAccess,
return(STATUS_NOT_IMPLEMENTED); IoFileObjectType->Mapping);
if ((*DesiredAccess & GrantedAccess) != GrantedAccess)
return(STATUS_ACCESS_DENIED);
return(STATUS_SUCCESS);
} }