mirror of
https://github.com/mirror/processhacker
synced 2026-06-08 16:03:24 +00:00
wj32
860d7b751d
* hooking/unhooking is now completely safe on multi-processor systems git-svn-id: svn://svn.code.sf.net/p/processhacker/code@1303 21ef857c-d57f-4fe0-8362-d861dc6d29cd
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
|
|
* Process Hacker Driver -
|
|
* hooks
|
|
*
|
|
* 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 _HOOK_H
|
|
#define _HOOK_H
|
|
|
|
#include "kph.h"
|
|
|
|
#define KPH_DEFINE_HOOK_CALL(Name, Arguments, Hook) \
|
|
__declspec(naked) Name(Arguments) \
|
|
{ \
|
|
__asm lea eax, Hook \
|
|
__asm mov eax, [eax+KPH_HOOK.Function] \
|
|
__asm add eax, 5 \
|
|
__asm push ebp \
|
|
__asm mov ebp, esp \
|
|
__asm jmp eax \
|
|
} \
|
|
|
|
typedef struct _KPH_HOOK
|
|
{
|
|
/* The address of the hooked function.
|
|
Should NOT be a function that is callable above PASSIVE_LEVEL. */
|
|
PVOID Function;
|
|
/* The address of the new function. */
|
|
PVOID Target;
|
|
/* Whether the function is hooked. */
|
|
BOOLEAN Hooked;
|
|
/* The original first 5 bytes. */
|
|
CHAR Bytes[5];
|
|
} KPH_HOOK, *PKPH_HOOK;
|
|
|
|
NTSTATUS KphHook(
|
|
PKPH_HOOK Hook
|
|
);
|
|
|
|
NTSTATUS KphHookInit();
|
|
|
|
NTSTATUS KphUnhook(
|
|
PKPH_HOOK Hook
|
|
);
|
|
|
|
#endif
|