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mirror-processhacker/branches/dean_networking_code/KProcessHacker/ssdt.h
T
wj32 e19d664c27 Dean's networking code
git-svn-id: svn://svn.code.sf.net/p/processhacker/code@512 21ef857c-d57f-4fe0-8362-d861dc6d29cd
2009-01-16 22:50:29 +00:00

62 lines
2.0 KiB
C

/*
* Process Hacker Driver -
* SSDT header file
*
* Copyright (C) 2009 wj32
*
* This file is part of Process Hacker.
*
* Process Hacker 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 3 of the License, or
* (at your option) any later version.
*
* Process Hacker 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 Process Hacker. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SSDT_H
#define _SSDT_H
#include <ntifs.h>
#define MDL_MAPPED_TO_SYSTEM_VA 0x0001
#define MDL_PAGES_LOCKED 0x0002
#define MDL_SOURCE_IS_NONPAGED_POOL 0x0004
#define MDL_ALLOCATED_FIXED_SIZE 0x0008
#define MDL_PARTIAL 0x0010
#define MDL_PARTIAL_HAS_BEEN_MAPPED 0x0020
#define MDL_IO_PAGE_READ 0x0040
#define MDL_WRITE_OPERATION 0x0080
#define MDL_PARENT_MAPPED_SYSTEM_VA 0x0100
#define MDL_LOCK_HELD 0x0200
#define MDL_PHYSICAL_VIEW 0x0400
#define MDL_IO_SPACE 0x0800
#define MDL_NETWORK_HEADER 0x1000
#define MDL_MAPPING_CAN_FAIL 0x2000
#define MDL_ALLOCATED_MUST_SUCCEED 0x4000
#pragma pack(1)
typedef struct _SSDT
{
PVOID *ServiceTableBase;
PVOID *ServiceCounterTableBase;
ULONG NumberOfServices;
UCHAR *ParamTableBase;
} SSDT;
#pragma pack()
#define SYSCALL_INDEX(f) (*(ULONG *)((UCHAR *)(f) + 1))
#define SYSCALL_NT(f) (KeServiceDescriptorTable.ServiceTableBase[SYSCALL_INDEX(f)])
NTSTATUS SsdtInit();
void SsdtDeinit();
PVOID SsdtGetEntry(PVOID zwFunction);
PVOID SsdtModifyEntry(PVOID zwFunction, PVOID ntFunction);
#endif