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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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40
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
* PROJECT: ReactOS kernel
@ -21,13 +39,13 @@
PVOID STDCALL
IoGetInitialStack(VOID)
{
UNIMPLEMENTED;
return(PsGetCurrentThread()->Tcb.InitialStack);
}
VOID STDCALL
IoGetStackLimits (PULONG LowLimit,
PULONG HighLimit)
IoGetStackLimits(OUT PULONG LowLimit,
OUT PULONG HighLimit)
{
*LowLimit = (ULONG)NtCurrentTeb()->Tib.StackLimit;
*HighLimit = (ULONG)NtCurrentTeb()->Tib.StackBase;
@ -66,17 +84,9 @@ IoSetThreadHardErrorMode (IN BOOLEAN HardErrorEnabled)
{
BOOLEAN PreviousHEM = NtCurrentTeb()->HardErrorDisabled;
NtCurrentTeb ()->HardErrorDisabled = (
(TRUE == HardErrorEnabled)
? FALSE
: TRUE
);
return (
(TRUE == PreviousHEM)
? FALSE
: TRUE
);
NtCurrentTeb()->HardErrorDisabled = ((TRUE == HardErrorEnabled) ? FALSE : TRUE);
return((TRUE == PreviousHEM) ? FALSE : TRUE);
}
/* EOF */

50
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
* PROJECT: ReactOS kernel
@ -63,11 +81,11 @@ IoUpdateShareAccess(PFILE_OBJECT FileObject,
NTSTATUS STDCALL
IoCheckShareAccess(ACCESS_MASK DesiredAccess,
ULONG DesiredShareAccess,
PFILE_OBJECT FileObject,
PSHARE_ACCESS ShareAccess,
BOOLEAN Update)
IoCheckShareAccess(IN ACCESS_MASK DesiredAccess,
IN ULONG DesiredShareAccess,
IN PFILE_OBJECT FileObject,
IN PSHARE_ACCESS ShareAccess,
IN BOOLEAN Update)
{
BOOLEAN ReadAccess;
BOOLEAN WriteAccess;
@ -161,8 +179,8 @@ IoCheckShareAccess(ACCESS_MASK DesiredAccess,
VOID STDCALL
IoRemoveShareAccess(PFILE_OBJECT FileObject,
PSHARE_ACCESS ShareAccess)
IoRemoveShareAccess(IN PFILE_OBJECT FileObject,
IN PSHARE_ACCESS ShareAccess)
{
if ((FileObject->ReadAccess == FALSE) &&
(FileObject->WriteAccess == FALSE) &&
@ -206,10 +224,10 @@ IoRemoveShareAccess(PFILE_OBJECT FileObject,
VOID STDCALL
IoSetShareAccess(ACCESS_MASK DesiredAccess,
ULONG DesiredShareAccess,
PFILE_OBJECT FileObject,
PSHARE_ACCESS ShareAccess)
IoSetShareAccess(IN ACCESS_MASK DesiredAccess,
IN ULONG DesiredShareAccess,
IN PFILE_OBJECT FileObject,
OUT PSHARE_ACCESS ShareAccess)
{
BOOLEAN ReadAccess;
BOOLEAN WriteAccess;
@ -267,8 +285,12 @@ NTSTATUS STDCALL
IoCheckDesiredAccess(IN OUT PACCESS_MASK DesiredAccess,
IN ACCESS_MASK GrantedAccess)
{
UNIMPLEMENTED;
return(STATUS_NOT_IMPLEMENTED);
RtlMapGenericMask(DesiredAccess,
IoFileObjectType->Mapping);
if ((*DesiredAccess & GrantedAccess) != GrantedAccess)
return(STATUS_ACCESS_DENIED);
return(STATUS_SUCCESS);
}