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wow64win: Convert parameters in place in wow64_NtUserCallWindowsHook.

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Jacek Caban 2023-07-16 18:46:19 +02:00 committed by Alexandre Julliard
parent 2149bdfda7
commit 8f168ea69b
1 changed files with 93 additions and 81 deletions
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174
dlls/wow64win/user.c
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@ -488,6 +488,8 @@ static void createstruct_64to32( const CREATESTRUCTW *from, CREATESTRUCT32 *to )
cs.y = from->y; cs.y = from->y;
cs.x = from->x; cs.x = from->x;
cs.style = from->style; cs.style = from->style;
cs.lpszName = PtrToUlong( from->lpszName );
cs.lpszClass = PtrToUlong( from->lpszClass );
cs.dwExStyle = from->dwExStyle; cs.dwExStyle = from->dwExStyle;
memcpy( to, &cs, sizeof(cs) ); memcpy( to, &cs, sizeof(cs) );
} }
@ -633,11 +635,11 @@ static NTSTATUS WINAPI wow64_NtUserCallWinProc( void *arg, ULONG size )
return NtCallbackReturn( &result, sizeof(result), status ); return NtCallbackReturn( &result, sizeof(result), status );
} }
static UINT hook_lparam_64to32( struct win_hook_params *params, const void *lp, void *lp32 ) static UINT hook_lparam_64to32( int id, int code, const void *lp, size_t size, void *lp32 )
{ {
if (!params->lparam_size) return 0; if (!size) return 0;
switch (params->id) switch (id)
{ {
case WH_SYSMSGFILTER: case WH_SYSMSGFILTER:
case WH_MSGFILTER: case WH_MSGFILTER:
@ -646,28 +648,27 @@ static UINT hook_lparam_64to32( struct win_hook_params *params, const void *lp,
return sizeof(MSG32); return sizeof(MSG32);
case WH_CBT: case WH_CBT:
switch (params->code) switch (code)
{ {
case HCBT_CREATEWND: case HCBT_CREATEWND:
if (lp)
{ {
const CREATESTRUCTW *cs = lp; const CREATESTRUCTW *cs64 = lp;
CREATESTRUCT32 *cs32 = lp32; CREATESTRUCT32 *cs32 = lp32;
createstruct_64to32( cs, cs32 ); createstruct_64to32( cs64, cs32 );
cs32->lpszName = PtrToUlong( cs->lpszName ); size -= sizeof(*cs64);
cs32->lpszClass = PtrToUlong( cs->lpszClass ); if (size) memmove( cs32 + 1, cs64 + 1, size );
return sizeof(*cs32) + size;
} }
return sizeof(CREATESTRUCT32);
case HCBT_ACTIVATE: case HCBT_ACTIVATE:
if (lp)
{ {
const CBTACTIVATESTRUCT *cbt = lp; const CBTACTIVATESTRUCT *cbt = lp;
CBTACTIVATESTRUCT32 *cbt32 = lp32; CBTACTIVATESTRUCT32 cbt32;
cbt32->fMouse = cbt->fMouse; cbt32.fMouse = cbt->fMouse;
cbt32->hWndActive = HandleToUlong( cbt->hWndActive ); cbt32.hWndActive = HandleToUlong( cbt->hWndActive );
memcpy( lp32, &cbt32, sizeof(cbt32) );
return sizeof(cbt32);
} }
return sizeof(CBTACTIVATESTRUCT32);
case HCBT_CLICKSKIPPED: case HCBT_CLICKSKIPPED:
mousehookstruct_64to32( lp, lp32 ); mousehookstruct_64to32( lp, lp32 );
@ -676,120 +677,122 @@ static UINT hook_lparam_64to32( struct win_hook_params *params, const void *lp,
break; break;
case WH_CALLWNDPROC: case WH_CALLWNDPROC:
if (lp)
{ {
const CWPSTRUCT *cwp = lp; const CWPSTRUCT *cwp = lp;
CWPSTRUCT32 *cwp32 = lp32; CWPSTRUCT32 cwp32;
cwp32->lParam = cwp->lParam; cwp32.lParam = cwp->lParam;
cwp32->wParam = cwp->wParam; cwp32.wParam = cwp->wParam;
cwp32->message = cwp->message; cwp32.message = cwp->message;
cwp32->hwnd = HandleToUlong( cwp->hwnd ); cwp32.hwnd = HandleToUlong( cwp->hwnd );
memcpy( lp32, &cwp32, sizeof(cwp32) );
return sizeof(cwp32);
} }
return sizeof(CWPSTRUCT32);
case WH_CALLWNDPROCRET: case WH_CALLWNDPROCRET:
if (lp)
{ {
const CWPRETSTRUCT *cwpret = lp; const CWPRETSTRUCT *cwpret = lp;
CWPRETSTRUCT32 *cwpret32 = lp32; CWPRETSTRUCT32 cwpret32;
cwpret32->lResult = cwpret->lResult; cwpret32.lResult = cwpret->lResult;
cwpret32->lParam = cwpret->lParam; cwpret32.lParam = cwpret->lParam;
cwpret32->wParam = cwpret->wParam; cwpret32.wParam = cwpret->wParam;
cwpret32->message = cwpret->message; cwpret32.message = cwpret->message;
cwpret32->hwnd = HandleToUlong( cwpret->hwnd ); cwpret32.hwnd = HandleToUlong( cwpret->hwnd );
memcpy( lp32, &cwpret32, sizeof(cwpret32) );
return sizeof(cwpret32);
} }
return sizeof(CWPRETSTRUCT32);
case WH_MOUSE: case WH_MOUSE:
mousehookstruct_64to32( lp, lp32 ); mousehookstruct_64to32( lp, lp32 );
return sizeof(MOUSEHOOKSTRUCTEX32); return sizeof(MOUSEHOOKSTRUCTEX32);
case WH_MOUSE_LL: case WH_MOUSE_LL:
if (lp)
{ {
const MSLLHOOKSTRUCT *hook = lp; const MSLLHOOKSTRUCT *hook = lp;
MSLLHOOKSTRUCT32 *hook32 = lp32; MSLLHOOKSTRUCT32 hook32;
hook32->pt = hook->pt; hook32.pt = hook->pt;
hook32->mouseData = hook->mouseData; hook32.mouseData = hook->mouseData;
hook32->flags = hook->flags; hook32.flags = hook->flags;
hook32->time = hook->time; hook32.time = hook->time;
hook32->dwExtraInfo = hook->dwExtraInfo; hook32.dwExtraInfo = hook->dwExtraInfo;
memcpy( lp32, &hook32, sizeof(hook32) );
return sizeof(hook32);
} }
return sizeof(MSLLHOOKSTRUCT32);
case WH_KEYBOARD_LL: case WH_KEYBOARD_LL:
if (lp)
{ {
const KBDLLHOOKSTRUCT *hook = lp; const KBDLLHOOKSTRUCT *hook = lp;
KBDLLHOOKSTRUCT32 *hook32 = lp32; KBDLLHOOKSTRUCT32 hook32;
hook32->vkCode = hook->vkCode; hook32.vkCode = hook->vkCode;
hook32->scanCode = hook->scanCode; hook32.scanCode = hook->scanCode;
hook32->flags = hook->flags; hook32.flags = hook->flags;
hook32->time = hook->time; hook32.time = hook->time;
hook32->dwExtraInfo = hook->dwExtraInfo; hook32.dwExtraInfo = hook->dwExtraInfo;
memcpy( lp32, &hook32, sizeof(hook32) );
return sizeof(hook32);
} }
return sizeof(KBDLLHOOKSTRUCT32);
case WH_JOURNALRECORD: case WH_JOURNALRECORD:
if (lp)
{ {
const EVENTMSG *event = lp; const EVENTMSG *event = lp;
EVENTMSG32 *event32 = lp32; EVENTMSG32 event32;
event32->message = event->message; event32.message = event->message;
event32->paramL = event->paramL; event32.paramL = event->paramL;
event32->paramH = event->paramH; event32.paramH = event->paramH;
event32->time = event->time; event32.time = event->time;
event32->hwnd = HandleToUlong( event->hwnd ); event32.hwnd = HandleToUlong( event->hwnd );
memcpy( lp32, &event32, sizeof(event32) );
return sizeof(event32);
} }
return sizeof(EVENTMSG32);
} }
if (lp) memcpy( lp32, lp, params->lparam_size ); memmove( lp32, lp, size );
return params->lparam_size; return size;
} }
static NTSTATUS WINAPI wow64_NtUserCallWindowsHook( void *arg, ULONG size ) static NTSTATUS WINAPI wow64_NtUserCallWindowsHook( void *arg, ULONG size )
{ {
struct win_hook_params *params = arg; struct win_hook_params *params = arg;
struct win_hook_params32 *params32; struct win_hook_params32 params32;
UINT lparam32_size = 0, module_size, size32; UINT lparam64_size, module_size;
void *ret_ptr; void *ret_ptr;
ULONG ret_len; ULONG ret_len;
NTSTATUS ret; NTSTATUS ret;
lparam32_size = hook_lparam_64to32( params, NULL, NULL );
module_size = size - params->lparam_size - sizeof(*params); module_size = size - params->lparam_size - sizeof(*params);
lparam64_size = params->lparam_size;
size32 = sizeof(*params32) + lparam32_size + module_size; params32.proc = PtrToUlong( params->proc );
if (!(params32 = Wow64AllocateTemp( size32 ))) return 0; params32.handle = HandleToUlong( params->handle );
params32->proc = (UINT_PTR)params->proc; params32.pid = params->pid;
params32->handle = HandleToUlong( params->handle ); params32.tid = params->tid;
params32->pid = params->pid; params32.id = params->id;
params32->tid = params->tid; params32.code = params->code;
params32->id = params->id; params32.wparam = params->wparam;
params32->code = params->code; params32.lparam = lparam64_size ? 0 : params->lparam;
params32->wparam = params->wparam; params32.prev_unicode = params->prev_unicode;
params32->lparam = params->lparam_size ? 0 : params->lparam; params32.next_unicode = params->next_unicode;
params32->lparam_size = lparam32_size; params32.lparam_size = hook_lparam_64to32( params32.id, params32.code, params + 1,
params32->prev_unicode = params->prev_unicode; lparam64_size, (char *)arg + sizeof(params32) );
params32->next_unicode = params->next_unicode; memcpy( arg, &params32, sizeof(params32) );
if (lparam32_size) hook_lparam_64to32( params, params + 1, params32 + 1 );
if (module_size) if (module_size)
memcpy( (char *)(params32 + 1) + params32->lparam_size, memmove( (char *)arg + sizeof(params32) + params32.lparam_size,
(const char *)params + size - module_size, module_size ); (const char *)arg + size - module_size, module_size );
ret = Wow64KiUserCallbackDispatcher( NtUserCallWindowsHook, params32, size32, &ret_ptr, &ret_len ); ret = Wow64KiUserCallbackDispatcher( NtUserCallWindowsHook, arg,
sizeof(params32) + params32.lparam_size + module_size,
&ret_ptr, &ret_len );
switch (params->id) switch (params32.id)
{ {
case WH_SYSMSGFILTER: case WH_SYSMSGFILTER:
case WH_MSGFILTER: case WH_MSGFILTER:
case WH_GETMESSAGE: case WH_GETMESSAGE:
if (params->lparam_size == sizeof(MSG)) if (ret_len == sizeof(MSG32))
{ {
msg_32to64( (MSG *)(params + 1), (const MSG32 *)(params32 + 1) ); MSG msg;
return NtCallbackReturn( params + 1, params->lparam_size, ret ); msg_32to64( &msg, ret_ptr );
return NtCallbackReturn( &msg, sizeof(msg), ret );
} }
} }
@ -2907,7 +2910,16 @@ static LRESULT message_call_32to64( HWND hwnd, UINT msg, WPARAM wparam, LPARAM l
createstruct_32to64( cs32, &cs ); createstruct_32to64( cs32, &cs );
ret = NtUserMessageCall( hwnd, msg, wparam, (LPARAM)&cs, result_info, type, ansi ); ret = NtUserMessageCall( hwnd, msg, wparam, (LPARAM)&cs, result_info, type, ansi );
createstruct_64to32( &cs, cs32 ); cs32->lpCreateParams = PtrToUlong( cs.lpCreateParams );
cs32->hInstance = PtrToUlong( cs.hInstance );
cs32->hMenu = HandleToLong( cs.hMenu );
cs32->hwndParent = HandleToLong( cs.hwndParent );
cs32->cy = cs.cy;
cs32->cx = cs.cx;
cs32->y = cs.y;
cs32->x = cs.x;
cs32->style = cs.style;
cs32->dwExStyle = cs.dwExStyle;
return ret; return ret;
} }