564 lines
17 KiB
C
564 lines
17 KiB
C
/*
|
|
* Windows hook functions
|
|
*
|
|
* Copyright 2002 Alexandre Julliard
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* NOTES:
|
|
* Status of the various hooks:
|
|
* WH_MSGFILTER OK
|
|
* WH_JOURNALRECORD Partially implemented
|
|
* WH_JOURNALPLAYBACK Partially implemented
|
|
* WH_KEYBOARD OK
|
|
* WH_GETMESSAGE OK (FIXME: A/W mapping?)
|
|
* WH_CALLWNDPROC OK (FIXME: A/W mapping?)
|
|
* WH_CBT
|
|
* HCBT_MOVESIZE OK
|
|
* HCBT_MINMAX OK
|
|
* HCBT_QS OK
|
|
* HCBT_CREATEWND OK
|
|
* HCBT_DESTROYWND OK
|
|
* HCBT_ACTIVATE OK
|
|
* HCBT_CLICKSKIPPED OK
|
|
* HCBT_KEYSKIPPED OK
|
|
* HCBT_SYSCOMMAND Not implemented
|
|
* HCBT_SETFOCUS OK
|
|
* WH_SYSMSGFILTER OK
|
|
* WH_MOUSE OK
|
|
* WH_HARDWARE Not supported in Win32
|
|
* WH_DEBUG Not implemented
|
|
* WH_SHELL
|
|
* HSHELL_WINDOWCREATED OK
|
|
* HSHELL_WINDOWDESTROYED OK
|
|
* HSHELL_ACTIVATESHELLWINDOW Not implemented
|
|
* HSHELL_WINDOWACTIVATED Not implemented
|
|
* HSHELL_GETMINRECT Not implemented
|
|
* HSHELL_REDRAW Not implemented
|
|
* HSHELL_TASKMAN Not implemented
|
|
* HSHELL_LANGUAGE Not implemented
|
|
* HSHELL_SYSMENU Not implemented
|
|
* HSHELL_ENDTASK Not implemented
|
|
* HSHELL_ACCESSIBILITYSTATE Not implemented
|
|
* HSHELL_APPCOMMAND Not implemented
|
|
* HSHELL_WINDOWREPLACED Not implemented
|
|
* HSHELL_WINDOWREPLACING Not implemented
|
|
* WH_FOREGROUNDIDLE Not implemented
|
|
* WH_CALLWNDPROCRET OK (FIXME: A/W mapping?)
|
|
* WH_KEYBOARD_LL Implemented but should use SendMessage instead
|
|
* WH_MOUSE_LL Implemented but should use SendMessage instead
|
|
*/
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "winuser.h"
|
|
#include "winerror.h"
|
|
#include "heap.h"
|
|
#include "message.h"
|
|
#include "win.h"
|
|
#include "wine/server.h"
|
|
#include "wine/unicode.h"
|
|
#include "wine/debug.h"
|
|
#include "winternl.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(hook);
|
|
WINE_DECLARE_DEBUG_CHANNEL(relay);
|
|
|
|
static const char * const hook_names[WH_MAXHOOK - WH_MINHOOK + 1] =
|
|
{
|
|
"WH_MSGFILTER",
|
|
"WH_JOURNALRECORD",
|
|
"WH_JOURNALPLAYBACK",
|
|
"WH_KEYBOARD",
|
|
"WH_GETMESSAGE",
|
|
"WH_CALLWNDPROC",
|
|
"WH_CBT",
|
|
"WH_SYSMSGFILTER",
|
|
"WH_MOUSE",
|
|
"WH_HARDWARE",
|
|
"WH_DEBUG",
|
|
"WH_SHELL",
|
|
"WH_FOREGROUNDIDLE",
|
|
"WH_CALLWNDPROCRET",
|
|
"WH_KEYBOARD_LL",
|
|
"WH_MOUSE_LL"
|
|
};
|
|
|
|
|
|
/***********************************************************************
|
|
* set_windows_hook
|
|
*
|
|
* Implementation of SetWindowsHookExA and SetWindowsHookExW.
|
|
*/
|
|
static HHOOK set_windows_hook( INT id, HOOKPROC proc, HINSTANCE inst, DWORD tid, BOOL unicode )
|
|
{
|
|
HHOOK handle = 0;
|
|
WCHAR module[MAX_PATH];
|
|
|
|
if (tid) /* thread-local hook */
|
|
{
|
|
if (id == WH_JOURNALRECORD ||
|
|
id == WH_JOURNALPLAYBACK ||
|
|
id == WH_KEYBOARD_LL ||
|
|
id == WH_MOUSE_LL ||
|
|
id == WH_SYSMSGFILTER)
|
|
{
|
|
/* these can only be global */
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
inst = 0;
|
|
}
|
|
else /* system-global hook */
|
|
{
|
|
if (!inst || !GetModuleFileNameW( inst, module, MAX_PATH ))
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
SERVER_START_REQ( set_hook )
|
|
{
|
|
req->id = id;
|
|
req->tid = tid;
|
|
req->unicode = unicode;
|
|
if (inst) /* make proc relative to the module base */
|
|
{
|
|
req->proc = (void *)((char *)proc - (char *)inst);
|
|
wine_server_add_data( req, module, strlenW(module) * sizeof(WCHAR) );
|
|
}
|
|
else req->proc = proc;
|
|
|
|
if (!wine_server_call_err( req )) handle = reply->handle;
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
TRACE( "%s %p %lx -> %p\n", hook_names[id-WH_MINHOOK], proc, tid, handle );
|
|
return handle;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* call_hook_AtoW
|
|
*/
|
|
static LRESULT call_hook_AtoW( HOOKPROC proc, INT id, INT code, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
LRESULT ret;
|
|
UNICODE_STRING usBuffer;
|
|
if (id != WH_CBT || code != HCBT_CREATEWND) ret = proc( code, wparam, lparam );
|
|
else
|
|
{
|
|
CBT_CREATEWNDA *cbtcwA = (CBT_CREATEWNDA *)lparam;
|
|
CBT_CREATEWNDW cbtcwW;
|
|
CREATESTRUCTW csW;
|
|
|
|
cbtcwW.lpcs = &csW;
|
|
cbtcwW.hwndInsertAfter = cbtcwA->hwndInsertAfter;
|
|
csW = *(CREATESTRUCTW *)cbtcwA->lpcs;
|
|
|
|
if (HIWORD(cbtcwA->lpcs->lpszName))
|
|
{
|
|
RtlCreateUnicodeStringFromAsciiz(&usBuffer,cbtcwA->lpcs->lpszName);
|
|
csW.lpszName = usBuffer.Buffer;
|
|
}
|
|
if (HIWORD(cbtcwA->lpcs->lpszClass))
|
|
{
|
|
RtlCreateUnicodeStringFromAsciiz(&usBuffer,cbtcwA->lpcs->lpszName);
|
|
csW.lpszClass = usBuffer.Buffer;
|
|
}
|
|
ret = proc( code, wparam, (LPARAM)&cbtcwW );
|
|
cbtcwA->hwndInsertAfter = cbtcwW.hwndInsertAfter;
|
|
if (HIWORD(csW.lpszName)) HeapFree( GetProcessHeap(), 0, (LPWSTR)csW.lpszName );
|
|
if (HIWORD(csW.lpszClass)) HeapFree( GetProcessHeap(), 0, (LPWSTR)csW.lpszClass );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* call_hook_WtoA
|
|
*/
|
|
static LRESULT call_hook_WtoA( HOOKPROC proc, INT id, INT code, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
LRESULT ret;
|
|
|
|
if (id != WH_CBT || code != HCBT_CREATEWND) ret = proc( code, wparam, lparam );
|
|
else
|
|
{
|
|
CBT_CREATEWNDW *cbtcwW = (CBT_CREATEWNDW *)lparam;
|
|
CBT_CREATEWNDA cbtcwA;
|
|
CREATESTRUCTA csA;
|
|
|
|
cbtcwA.lpcs = &csA;
|
|
cbtcwA.hwndInsertAfter = cbtcwW->hwndInsertAfter;
|
|
csA = *(CREATESTRUCTA *)cbtcwW->lpcs;
|
|
|
|
if (HIWORD(cbtcwW->lpcs->lpszName))
|
|
csA.lpszName = HEAP_strdupWtoA( GetProcessHeap(), 0, cbtcwW->lpcs->lpszName );
|
|
if (HIWORD(cbtcwW->lpcs->lpszClass))
|
|
csA.lpszClass = HEAP_strdupWtoA( GetProcessHeap(), 0, cbtcwW->lpcs->lpszClass );
|
|
ret = proc( code, wparam, (LPARAM)&cbtcwA );
|
|
cbtcwW->hwndInsertAfter = cbtcwA.hwndInsertAfter;
|
|
if (HIWORD(csA.lpszName)) HeapFree( GetProcessHeap(), 0, (LPSTR)csA.lpszName );
|
|
if (HIWORD(csA.lpszClass)) HeapFree( GetProcessHeap(), 0, (LPSTR)csA.lpszClass );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* call_hook
|
|
*/
|
|
static LRESULT call_hook( HOOKPROC proc, INT id, INT code, WPARAM wparam, LPARAM lparam,
|
|
BOOL prev_unicode, BOOL next_unicode )
|
|
{
|
|
LRESULT ret;
|
|
|
|
if (TRACE_ON(relay))
|
|
DPRINTF( "%04lx:Call hook proc %p (id=%s,code=%x,wp=%08x,lp=%08lx)\n",
|
|
GetCurrentThreadId(), proc, hook_names[id-WH_MINHOOK], code, wparam, lparam );
|
|
|
|
if (!prev_unicode == !next_unicode) ret = proc( code, wparam, lparam );
|
|
else if (prev_unicode) ret = call_hook_WtoA( proc, id, code, wparam, lparam );
|
|
else ret = call_hook_AtoW( proc, id, code, wparam, lparam );
|
|
|
|
if (TRACE_ON(relay))
|
|
DPRINTF( "%04lx:Ret hook proc %p (id=%s,code=%x,wp=%08x,lp=%08lx) retval=%08lx\n",
|
|
GetCurrentThreadId(), proc, hook_names[id-WH_MINHOOK], code, wparam, lparam, ret );
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* get_hook_proc
|
|
*
|
|
* Retrieve the hook procedure real value for a module-relative proc
|
|
*/
|
|
static HOOKPROC get_hook_proc( HOOKPROC proc, const WCHAR *module )
|
|
{
|
|
HMODULE mod;
|
|
|
|
if (!(mod = GetModuleHandleW(module)))
|
|
{
|
|
TRACE( "loading %s\n", debugstr_w(module) );
|
|
/* FIXME: the library will never be freed */
|
|
if (!(mod = LoadLibraryW(module))) return NULL;
|
|
}
|
|
return (HOOKPROC)((char *)mod + (ULONG_PTR)proc);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* HOOK_CallHooks
|
|
*/
|
|
LRESULT HOOK_CallHooks( INT id, INT code, WPARAM wparam, LPARAM lparam, BOOL unicode )
|
|
{
|
|
MESSAGEQUEUE *queue = QUEUE_Current();
|
|
HOOKPROC proc = NULL;
|
|
HHOOK prev;
|
|
WCHAR module[MAX_PATH];
|
|
BOOL unicode_hook = FALSE;
|
|
LRESULT ret = 0;
|
|
|
|
if (!queue) return 0;
|
|
prev = queue->hook;
|
|
SERVER_START_REQ( start_hook_chain )
|
|
{
|
|
req->id = id;
|
|
wine_server_set_reply( req, module, sizeof(module)-sizeof(WCHAR) );
|
|
if (!wine_server_call_err( req ))
|
|
{
|
|
module[wine_server_reply_size(req) / sizeof(WCHAR)] = 0;
|
|
queue->hook = reply->handle;
|
|
proc = reply->proc;
|
|
unicode_hook = reply->unicode;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (proc)
|
|
{
|
|
TRACE( "calling hook %p %s code %x wp %x lp %lx module %s\n",
|
|
proc, hook_names[id-WH_MINHOOK], code, wparam, lparam, debugstr_w(module) );
|
|
|
|
if (!module[0] || (proc = get_hook_proc( proc, module )) != NULL)
|
|
{
|
|
int locks = WIN_SuspendWndsLock();
|
|
ret = call_hook( proc, id, code, wparam, lparam, unicode, unicode_hook );
|
|
WIN_RestoreWndsLock( locks );
|
|
}
|
|
|
|
SERVER_START_REQ( finish_hook_chain )
|
|
{
|
|
req->id = id;
|
|
wine_server_call( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
}
|
|
|
|
queue->hook = prev;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* HOOK_IsHooked
|
|
*/
|
|
BOOL HOOK_IsHooked( INT id )
|
|
{
|
|
return TRUE; /* FIXME */
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetWindowsHookA (USER32.@)
|
|
*/
|
|
HHOOK WINAPI SetWindowsHookA( INT id, HOOKPROC proc )
|
|
{
|
|
return SetWindowsHookExA( id, proc, 0, GetCurrentThreadId() );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetWindowsHookW (USER32.@)
|
|
*/
|
|
HHOOK WINAPI SetWindowsHookW( INT id, HOOKPROC proc )
|
|
{
|
|
return SetWindowsHookExW( id, proc, 0, GetCurrentThreadId() );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetWindowsHookExA (USER32.@)
|
|
*/
|
|
HHOOK WINAPI SetWindowsHookExA( INT id, HOOKPROC proc, HINSTANCE inst, DWORD tid )
|
|
{
|
|
return set_windows_hook( id, proc, inst, tid, FALSE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetWindowsHookExW (USER32.@)
|
|
*/
|
|
HHOOK WINAPI SetWindowsHookExW( INT id, HOOKPROC proc, HINSTANCE inst, DWORD tid )
|
|
{
|
|
return set_windows_hook( id, proc, inst, tid, TRUE );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* UnhookWindowsHook (USER32.@)
|
|
*/
|
|
BOOL WINAPI UnhookWindowsHook( INT id, HOOKPROC proc )
|
|
{
|
|
BOOL ret;
|
|
|
|
TRACE( "%s %p\n", hook_names[id-WH_MINHOOK], proc );
|
|
|
|
SERVER_START_REQ( remove_hook )
|
|
{
|
|
req->handle = 0;
|
|
req->id = id;
|
|
req->proc = proc;
|
|
ret = !wine_server_call_err( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
* UnhookWindowsHookEx (USER32.@)
|
|
*/
|
|
BOOL WINAPI UnhookWindowsHookEx( HHOOK hhook )
|
|
{
|
|
BOOL ret;
|
|
|
|
TRACE( "%p\n", hhook );
|
|
|
|
SERVER_START_REQ( remove_hook )
|
|
{
|
|
req->handle = hhook;
|
|
ret = !wine_server_call_err( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CallNextHookEx (USER32.@)
|
|
*/
|
|
LRESULT WINAPI CallNextHookEx( HHOOK hhook, INT code, WPARAM wparam, LPARAM lparam )
|
|
{
|
|
MESSAGEQUEUE *queue = QUEUE_Current();
|
|
HHOOK prev;
|
|
WCHAR module[MAX_PATH];
|
|
HOOKPROC proc = NULL;
|
|
INT id = 0;
|
|
BOOL prev_unicode = FALSE, next_unicode = FALSE;
|
|
LRESULT ret = 0;
|
|
|
|
if (!queue) return 0;
|
|
prev = queue->hook;
|
|
SERVER_START_REQ( get_next_hook )
|
|
{
|
|
req->handle = prev;
|
|
wine_server_set_reply( req, module, sizeof(module)-sizeof(WCHAR) );
|
|
if (!wine_server_call_err( req ))
|
|
{
|
|
module[wine_server_reply_size(req) / sizeof(WCHAR)] = 0;
|
|
queue->hook = reply->next;
|
|
id = reply->id;
|
|
proc = reply->proc;
|
|
prev_unicode = reply->prev_unicode;
|
|
next_unicode = reply->next_unicode;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (proc)
|
|
{
|
|
TRACE( "calling hook %p %s code %x wp %x lp %lx module %s\n",
|
|
proc, hook_names[id-WH_MINHOOK], code, wparam, lparam, debugstr_w(module) );
|
|
|
|
if (!module[0] || (proc = get_hook_proc( proc, module )) != NULL)
|
|
return call_hook( proc, id, code, wparam, lparam, prev_unicode, next_unicode );
|
|
}
|
|
queue->hook = prev;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CallMsgFilterA (USER32.@)
|
|
*/
|
|
BOOL WINAPI CallMsgFilterA( LPMSG msg, INT code )
|
|
{
|
|
if (HOOK_CallHooks( WH_SYSMSGFILTER, code, 0, (LPARAM)msg, FALSE )) return TRUE;
|
|
return HOOK_CallHooks( WH_MSGFILTER, code, 0, (LPARAM)msg, FALSE );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CallMsgFilterW (USER32.@)
|
|
*/
|
|
BOOL WINAPI CallMsgFilterW( LPMSG msg, INT code )
|
|
{
|
|
if (HOOK_CallHooks( WH_SYSMSGFILTER, code, 0, (LPARAM)msg, TRUE )) return TRUE;
|
|
return HOOK_CallHooks( WH_MSGFILTER, code, 0, (LPARAM)msg, TRUE );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetWinEventHook [USER32.@]
|
|
*
|
|
* Set up an event hook for a set of events.
|
|
*
|
|
* PARAMS
|
|
* dwMin [I] Lowest event handled by pfnProc
|
|
* dwMax [I] Highest event handled by pfnProc
|
|
* hModule [I] DLL containing pfnProc
|
|
* pfnProc [I] Callback event hook function
|
|
* dwProcess [I] Process to get events from, or 0 for all processes
|
|
* dwThread [I] Thread to get events from, or 0 for all threads
|
|
* dwFlags [I] Flags indicating the status of pfnProc
|
|
*
|
|
* RETURNS
|
|
* Success: A handle representing the hook.
|
|
* Failure: A NULL handle.
|
|
*
|
|
* BUGS
|
|
* Not implemented.
|
|
*/
|
|
HWINEVENTHOOK WINAPI SetWinEventHook(DWORD dwMin, DWORD dwMax, HMODULE hModule,
|
|
WINEVENTPROC pfnProc, DWORD dwProcess,
|
|
DWORD dwThread, DWORD dwFlags)
|
|
{
|
|
FIXME("(%ld,%ld,%p,%p,%ld,%ld,0x%08lx)-stub!\n", dwMin, dwMax, hModule,
|
|
pfnProc, dwProcess, dwThread, dwFlags);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* UnhookWinEvent [USER32.@]
|
|
*
|
|
* Remove an event hook for a set of events.
|
|
*
|
|
* PARAMS
|
|
* hEventHook [I] Event hook to remove
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE. The event hook has been removed.
|
|
* Failure: FALSE, if hEventHook is invalid.
|
|
*
|
|
* BUGS
|
|
* Not implemented.
|
|
*/
|
|
BOOL WINAPI UnhookWinEvent(HWINEVENTHOOK hEventHook)
|
|
{
|
|
FIXME("(%p)-stub!\n", hEventHook);
|
|
|
|
return (hEventHook != 0);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* NotifyWinEvent [USER32.@]
|
|
*
|
|
* Inform the OS that an event has occurred.
|
|
*
|
|
* PARAMS
|
|
* dwEvent [I] Id of the event
|
|
* hWnd [I] Window holding the object that created the event
|
|
* nId [I] Type of object that created the event
|
|
* nChildId [I] Child object of nId, or CHILDID_SELF.
|
|
*
|
|
* RETURNS
|
|
* Nothing.
|
|
*
|
|
* BUGS
|
|
* Not implemented.
|
|
*/
|
|
void WINAPI NotifyWinEvent(DWORD dwEvent, HWND hWnd, LONG nId, LONG nChildId)
|
|
{
|
|
FIXME("(%ld,%p,%ld,%ld)-stub!\n", dwEvent, hWnd, nId, nChildId);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* IsWinEventHookInstalled [USER32.@]
|
|
*
|
|
* Determine if an event hook is installed for an event.
|
|
*
|
|
* PARAMS
|
|
* dwEvent [I] Id of the event
|
|
*
|
|
* RETURNS
|
|
* TRUE, If there are any hooks installed for the event.
|
|
* FALSE, Otherwise.
|
|
*
|
|
* BUGS
|
|
* Not implemented.
|
|
*/
|
|
BOOL WINAPI IsWinEventHookInstalled(DWORD dwEvent)
|
|
{
|
|
FIXME("(%ld)-stub!\n", dwEvent);
|
|
return TRUE;
|
|
}
|