mirror of
https://github.com/reactos/reactos.git
synced 2024-12-27 09:34:43 +00:00
Implemented IoCheckDesiredAccess() and IoGetInitialStack().
svn path=/trunk/; revision=3300
This commit is contained in:
Eric Kohl
parent
d6e258cc9e
commit
a79a9cbba6
2 changed files with 212 additions and 180 deletions
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@ -1,4 +1,22 @@
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/* $Id: process.c,v 1.11 2000/10/07 13:41:51 dwelch Exp $
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/*
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* ReactOS kernel
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* Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: process.c,v 1.12 2002/07/24 17:49:31 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -19,32 +37,32 @@
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/* FUNCTIONS *****************************************************************/
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PVOID STDCALL
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IoGetInitialStack (VOID)
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IoGetInitialStack(VOID)
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{
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UNIMPLEMENTED;
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return(PsGetCurrentThread()->Tcb.InitialStack);
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}
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VOID STDCALL
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IoGetStackLimits (PULONG LowLimit,
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PULONG HighLimit)
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IoGetStackLimits(OUT PULONG LowLimit,
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OUT PULONG HighLimit)
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{
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*LowLimit = (ULONG)NtCurrentTeb ()->Tib.StackLimit;
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*HighLimit = (ULONG)NtCurrentTeb ()->Tib.StackBase;
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*LowLimit = (ULONG)NtCurrentTeb()->Tib.StackLimit;
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*HighLimit = (ULONG)NtCurrentTeb()->Tib.StackBase;
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}
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PEPROCESS STDCALL
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IoThreadToProcess (IN PETHREAD Thread)
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IoThreadToProcess(IN PETHREAD Thread)
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{
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return (Thread->ThreadsProcess);
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return(Thread->ThreadsProcess);
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}
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PEPROCESS STDCALL
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IoGetRequestorProcess (IN PIRP Irp)
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IoGetRequestorProcess(IN PIRP Irp)
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{
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return (Irp->Tail.Overlay.Thread->ThreadsProcess);
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return(Irp->Tail.Overlay.Thread->ThreadsProcess);
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}
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@ -62,21 +80,13 @@ IoGetRequestorProcess (IN PIRP Irp)
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* processing policy.
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*/
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BOOLEAN STDCALL EXPORTED
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IoSetThreadHardErrorMode (IN BOOLEAN HardErrorEnabled)
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IoSetThreadHardErrorMode(IN BOOLEAN HardErrorEnabled)
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{
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BOOLEAN PreviousHEM = NtCurrentTeb ()->HardErrorDisabled;
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NtCurrentTeb ()->HardErrorDisabled = (
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(TRUE == HardErrorEnabled)
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? FALSE
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: TRUE
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);
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return (
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(TRUE == PreviousHEM)
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? FALSE
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: TRUE
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);
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BOOLEAN PreviousHEM = NtCurrentTeb()->HardErrorDisabled;
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NtCurrentTeb()->HardErrorDisabled = ((TRUE == HardErrorEnabled) ? FALSE : TRUE);
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return((TRUE == PreviousHEM) ? FALSE : TRUE);
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}
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/* EOF */
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@ -1,4 +1,22 @@
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/* $Id: share.c,v 1.5 2002/01/21 11:42:04 ekohl Exp $
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/*
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* ReactOS kernel
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* Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: share.c,v 1.6 2002/07/24 17:49:31 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -63,203 +81,203 @@ IoUpdateShareAccess(PFILE_OBJECT FileObject,
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NTSTATUS STDCALL
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IoCheckShareAccess(ACCESS_MASK DesiredAccess,
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ULONG DesiredShareAccess,
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PFILE_OBJECT FileObject,
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PSHARE_ACCESS ShareAccess,
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BOOLEAN Update)
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IoCheckShareAccess(IN ACCESS_MASK DesiredAccess,
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IN ULONG DesiredShareAccess,
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IN PFILE_OBJECT FileObject,
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IN PSHARE_ACCESS ShareAccess,
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IN BOOLEAN Update)
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{
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BOOLEAN ReadAccess;
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BOOLEAN WriteAccess;
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BOOLEAN DeleteAccess;
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BOOLEAN SharedRead;
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BOOLEAN SharedWrite;
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BOOLEAN SharedDelete;
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BOOLEAN ReadAccess;
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BOOLEAN WriteAccess;
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BOOLEAN DeleteAccess;
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BOOLEAN SharedRead;
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BOOLEAN SharedWrite;
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BOOLEAN SharedDelete;
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ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE));
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WriteAccess = (DesiredAccess & (FILE_READ_DATA | FILE_APPEND_DATA));
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DeleteAccess = (DesiredAccess & DELETE);
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ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE));
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WriteAccess = (DesiredAccess & (FILE_READ_DATA | FILE_APPEND_DATA));
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DeleteAccess = (DesiredAccess & DELETE);
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FileObject->ReadAccess = ReadAccess;
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FileObject->WriteAccess = WriteAccess;
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FileObject->DeleteAccess = DeleteAccess;
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FileObject->ReadAccess = ReadAccess;
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FileObject->WriteAccess = WriteAccess;
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FileObject->DeleteAccess = DeleteAccess;
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if (!ReadAccess && !WriteAccess && !DeleteAccess)
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{
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return (STATUS_SUCCESS);
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}
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if (!ReadAccess && !WriteAccess && !DeleteAccess)
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{
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return(STATUS_SUCCESS);
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}
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SharedRead = (DesiredShareAccess & FILE_SHARE_READ);
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SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE);
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SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE);
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SharedRead = (DesiredShareAccess & FILE_SHARE_READ);
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SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE);
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SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE);
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FileObject->SharedRead = SharedRead;
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FileObject->SharedWrite = SharedWrite;
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FileObject->SharedDelete = SharedDelete;
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FileObject->SharedRead = SharedRead;
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FileObject->SharedWrite = SharedWrite;
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FileObject->SharedDelete = SharedDelete;
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if (ReadAccess)
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{
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if (ShareAccess->SharedRead < ShareAccess->OpenCount)
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return (STATUS_SHARING_VIOLATION);
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}
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if (ReadAccess)
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{
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if (ShareAccess->SharedRead < ShareAccess->OpenCount)
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return(STATUS_SHARING_VIOLATION);
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}
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if (WriteAccess)
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{
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if (ShareAccess->SharedWrite < ShareAccess->OpenCount)
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return (STATUS_SHARING_VIOLATION);
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}
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if (WriteAccess)
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{
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if (ShareAccess->SharedWrite < ShareAccess->OpenCount)
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return(STATUS_SHARING_VIOLATION);
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}
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if (DeleteAccess)
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{
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if (ShareAccess->SharedDelete < ShareAccess->OpenCount)
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return (STATUS_SHARING_VIOLATION);
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}
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if (DeleteAccess)
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{
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if (ShareAccess->SharedDelete < ShareAccess->OpenCount)
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return(STATUS_SHARING_VIOLATION);
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}
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if (ShareAccess->Readers != 0)
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{
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if (SharedRead == FALSE)
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return (STATUS_SHARING_VIOLATION);
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}
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if (ShareAccess->Readers != 0)
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{
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if (SharedRead == FALSE)
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return(STATUS_SHARING_VIOLATION);
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}
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if (ShareAccess->Writers != 0)
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{
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if (SharedWrite == FALSE)
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return (STATUS_SHARING_VIOLATION);
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}
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if (ShareAccess->Writers != 0)
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{
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if (SharedWrite == FALSE)
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return(STATUS_SHARING_VIOLATION);
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}
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if (ShareAccess->Deleters != 0)
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{
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if (SharedDelete == FALSE)
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return (STATUS_SHARING_VIOLATION);
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}
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if (ShareAccess->Deleters != 0)
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{
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if (SharedDelete == FALSE)
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return(STATUS_SHARING_VIOLATION);
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}
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if (Update == TRUE)
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{
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ShareAccess->OpenCount++;
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if (Update == TRUE)
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{
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ShareAccess->OpenCount++;
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if (ReadAccess == TRUE)
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ShareAccess->Readers++;
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if (ReadAccess == TRUE)
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ShareAccess->Readers++;
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if (WriteAccess == TRUE)
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ShareAccess->Writers++;
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if (WriteAccess == TRUE)
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ShareAccess->Writers++;
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if (DeleteAccess == TRUE)
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ShareAccess->Deleters++;
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if (DeleteAccess == TRUE)
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ShareAccess->Deleters++;
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if (SharedRead == TRUE)
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ShareAccess->SharedRead++;
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if (SharedRead == TRUE)
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ShareAccess->SharedRead++;
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if (SharedWrite == TRUE)
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ShareAccess->SharedWrite++;
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if (SharedWrite == TRUE)
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ShareAccess->SharedWrite++;
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if (SharedDelete == TRUE)
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ShareAccess->SharedDelete++;
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}
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if (SharedDelete == TRUE)
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ShareAccess->SharedDelete++;
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}
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return (STATUS_SUCCESS);
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return(STATUS_SUCCESS);
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}
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VOID STDCALL
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IoRemoveShareAccess(PFILE_OBJECT FileObject,
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PSHARE_ACCESS ShareAccess)
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IoRemoveShareAccess(IN PFILE_OBJECT FileObject,
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IN PSHARE_ACCESS ShareAccess)
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{
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if ((FileObject->ReadAccess == FALSE) &&
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(FileObject->WriteAccess == FALSE) &&
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(FileObject->DeleteAccess == FALSE))
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{
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return;
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}
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if ((FileObject->ReadAccess == FALSE) &&
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(FileObject->WriteAccess == FALSE) &&
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(FileObject->DeleteAccess == FALSE))
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{
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return;
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}
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ShareAccess->OpenCount--;
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ShareAccess->OpenCount--;
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if (FileObject->ReadAccess == TRUE)
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{
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ShareAccess->Readers--;
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}
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if (FileObject->ReadAccess == TRUE)
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{
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ShareAccess->Readers--;
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}
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if (FileObject->WriteAccess == TRUE)
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{
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ShareAccess->Writers--;
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}
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if (FileObject->WriteAccess == TRUE)
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{
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ShareAccess->Writers--;
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}
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if (FileObject->DeleteAccess == TRUE)
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{
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ShareAccess->Deleters--;
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}
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if (FileObject->DeleteAccess == TRUE)
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{
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ShareAccess->Deleters--;
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}
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if (FileObject->SharedRead == TRUE)
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{
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ShareAccess->SharedRead--;
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}
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if (FileObject->SharedRead == TRUE)
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{
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ShareAccess->SharedRead--;
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}
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if (FileObject->SharedWrite == TRUE)
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{
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ShareAccess->SharedWrite--;
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}
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if (FileObject->SharedWrite == TRUE)
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{
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ShareAccess->SharedWrite--;
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}
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if (FileObject->SharedDelete == TRUE)
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{
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ShareAccess->SharedDelete--;
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}
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if (FileObject->SharedDelete == TRUE)
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{
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ShareAccess->SharedDelete--;
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}
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}
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VOID STDCALL
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IoSetShareAccess(ACCESS_MASK DesiredAccess,
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ULONG DesiredShareAccess,
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PFILE_OBJECT FileObject,
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PSHARE_ACCESS ShareAccess)
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IoSetShareAccess(IN ACCESS_MASK DesiredAccess,
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IN ULONG DesiredShareAccess,
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IN PFILE_OBJECT FileObject,
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OUT PSHARE_ACCESS ShareAccess)
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{
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BOOLEAN ReadAccess;
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BOOLEAN WriteAccess;
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BOOLEAN DeleteAccess;
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BOOLEAN SharedRead;
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BOOLEAN SharedWrite;
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BOOLEAN SharedDelete;
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BOOLEAN ReadAccess;
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BOOLEAN WriteAccess;
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BOOLEAN DeleteAccess;
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BOOLEAN SharedRead;
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BOOLEAN SharedWrite;
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BOOLEAN SharedDelete;
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ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE));
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WriteAccess = (DesiredAccess & (FILE_READ_DATA | FILE_APPEND_DATA));
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DeleteAccess = (DesiredAccess & DELETE);
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ReadAccess = (DesiredAccess & (FILE_READ_DATA | FILE_EXECUTE));
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WriteAccess = (DesiredAccess & (FILE_READ_DATA | FILE_APPEND_DATA));
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DeleteAccess = (DesiredAccess & DELETE);
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FileObject->ReadAccess = ReadAccess;
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FileObject->WriteAccess = WriteAccess;
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FileObject->DeleteAccess = DeleteAccess;
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FileObject->ReadAccess = ReadAccess;
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FileObject->WriteAccess = WriteAccess;
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FileObject->DeleteAccess = DeleteAccess;
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if (!ReadAccess && !WriteAccess && !DeleteAccess)
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{
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FileObject->SharedRead = FALSE;
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FileObject->SharedWrite = FALSE;
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FileObject->SharedDelete = FALSE;
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if (!ReadAccess && !WriteAccess && !DeleteAccess)
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{
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FileObject->SharedRead = FALSE;
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FileObject->SharedWrite = FALSE;
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FileObject->SharedDelete = FALSE;
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ShareAccess->OpenCount = 0;
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ShareAccess->Readers = 0;
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ShareAccess->Writers = 0;
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ShareAccess->Deleters = 0;
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ShareAccess->OpenCount = 0;
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ShareAccess->Readers = 0;
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ShareAccess->Writers = 0;
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ShareAccess->Deleters = 0;
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ShareAccess->SharedRead = 0;
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ShareAccess->SharedWrite = 0;
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ShareAccess->SharedDelete = 0;
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}
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else
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{
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SharedRead = (DesiredShareAccess & FILE_SHARE_READ);
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SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE);
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SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE);
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ShareAccess->SharedRead = 0;
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ShareAccess->SharedWrite = 0;
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ShareAccess->SharedDelete = 0;
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}
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else
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{
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SharedRead = (DesiredShareAccess & FILE_SHARE_READ);
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SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE);
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SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE);
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FileObject->SharedRead = SharedRead;
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FileObject->SharedWrite = SharedWrite;
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FileObject->SharedDelete = SharedDelete;
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FileObject->SharedRead = SharedRead;
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FileObject->SharedWrite = SharedWrite;
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FileObject->SharedDelete = SharedDelete;
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ShareAccess->OpenCount = 1;
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ShareAccess->Readers = (ReadAccess) ? 1 : 0;
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ShareAccess->Writers = (WriteAccess) ? 1 : 0;
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ShareAccess->Deleters = (DeleteAccess) ? 1 : 0;
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ShareAccess->OpenCount = 1;
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ShareAccess->Readers = (ReadAccess) ? 1 : 0;
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ShareAccess->Writers = (WriteAccess) ? 1 : 0;
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ShareAccess->Deleters = (DeleteAccess) ? 1 : 0;
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ShareAccess->SharedRead = (SharedRead) ? 1 : 0;
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ShareAccess->SharedWrite = (SharedWrite) ? 1 : 0;
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ShareAccess->SharedDelete = (SharedDelete) ? 1 : 0;
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}
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ShareAccess->SharedRead = (SharedRead) ? 1 : 0;
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ShareAccess->SharedWrite = (SharedWrite) ? 1 : 0;
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ShareAccess->SharedDelete = (SharedDelete) ? 1 : 0;
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}
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}
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@ -267,8 +285,12 @@ NTSTATUS STDCALL
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IoCheckDesiredAccess(IN OUT PACCESS_MASK DesiredAccess,
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IN ACCESS_MASK GrantedAccess)
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{
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UNIMPLEMENTED;
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return(STATUS_NOT_IMPLEMENTED);
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RtlMapGenericMask(DesiredAccess,
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IoFileObjectType->Mapping);
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if ((*DesiredAccess & GrantedAccess) != GrantedAccess)
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return(STATUS_ACCESS_DENIED);
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return(STATUS_SUCCESS);
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}
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