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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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58
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
@ -19,32 +37,32 @@
/* FUNCTIONS *****************************************************************/
PVOID STDCALL
IoGetInitialStack (VOID)
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;
*LowLimit = (ULONG)NtCurrentTeb()->Tib.StackLimit;
*HighLimit = (ULONG)NtCurrentTeb()->Tib.StackBase;
}
PEPROCESS STDCALL
IoThreadToProcess (IN PETHREAD Thread)
IoThreadToProcess(IN PETHREAD Thread)
{
return (Thread->ThreadsProcess);
return(Thread->ThreadsProcess);
}
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.
*/
BOOLEAN STDCALL EXPORTED
IoSetThreadHardErrorMode (IN BOOLEAN HardErrorEnabled)
IoSetThreadHardErrorMode(IN BOOLEAN HardErrorEnabled)
{
BOOLEAN PreviousHEM = NtCurrentTeb ()->HardErrorDisabled;
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 */

66
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;
@ -86,7 +104,7 @@ IoCheckShareAccess(ACCESS_MASK DesiredAccess,
if (!ReadAccess && !WriteAccess && !DeleteAccess)
{
return (STATUS_SUCCESS);
return(STATUS_SUCCESS);
}
SharedRead = (DesiredShareAccess & FILE_SHARE_READ);
@ -100,37 +118,37 @@ IoCheckShareAccess(ACCESS_MASK DesiredAccess,
if (ReadAccess)
{
if (ShareAccess->SharedRead < ShareAccess->OpenCount)
return (STATUS_SHARING_VIOLATION);
return(STATUS_SHARING_VIOLATION);
}
if (WriteAccess)
{
if (ShareAccess->SharedWrite < ShareAccess->OpenCount)
return (STATUS_SHARING_VIOLATION);
return(STATUS_SHARING_VIOLATION);
}
if (DeleteAccess)
{
if (ShareAccess->SharedDelete < ShareAccess->OpenCount)
return (STATUS_SHARING_VIOLATION);
return(STATUS_SHARING_VIOLATION);
}
if (ShareAccess->Readers != 0)
{
if (SharedRead == FALSE)
return (STATUS_SHARING_VIOLATION);
return(STATUS_SHARING_VIOLATION);
}
if (ShareAccess->Writers != 0)
{
if (SharedWrite == FALSE)
return (STATUS_SHARING_VIOLATION);
return(STATUS_SHARING_VIOLATION);
}
if (ShareAccess->Deleters != 0)
{
if (SharedDelete == FALSE)
return (STATUS_SHARING_VIOLATION);
return(STATUS_SHARING_VIOLATION);
}
if (Update == TRUE)
@ -156,13 +174,13 @@ IoCheckShareAccess(ACCESS_MASK DesiredAccess,
ShareAccess->SharedDelete++;
}
return (STATUS_SUCCESS);
return(STATUS_SUCCESS);
}
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);
}