Alexandre Julliard : user32: Pack the various owner-draw structures in messages to allow crossing 32/ 64 boundaries.
Module: wine Branch: master Commit: 9b5b55d9de6d864303f675f343ae4355f6c27304 URL: http://source.winehq.org/git/wine.git/?a=commit;h=9b5b55d9de6d864303f675f343... Author: Alexandre Julliard <julliard(a)winehq.org> Date: Tue Mar 30 20:28:32 2010 +0200 user32: Pack the various owner-draw structures in messages to allow crossing 32/64 boundaries. --- dlls/user32/message.c | 181 ++++++++++++++++++++++++++++++++++++++++++++++--- 1 files changed, 170 insertions(+), 11 deletions(-) diff --git a/dlls/user32/message.c b/dlls/user32/message.c index cab4113..6650080 100644 --- a/dlls/user32/message.c +++ b/dlls/user32/message.c @@ -76,12 +76,69 @@ struct packed_CREATESTRUCTW DWORD __pad3; }; +struct packed_DRAWITEMSTRUCT +{ + UINT CtlType; + UINT CtlID; + UINT itemID; + UINT itemAction; + UINT itemState; + user_handle_t hwndItem; + DWORD __pad1; + user_handle_t hDC; + DWORD __pad2; + RECT rcItem; + ULONGLONG itemData; +}; + +struct packed_MEASUREITEMSTRUCT +{ + UINT CtlType; + UINT CtlID; + UINT itemID; + UINT itemWidth; + UINT itemHeight; + ULONGLONG itemData; +}; + +struct packed_DELETEITEMSTRUCT +{ + UINT CtlType; + UINT CtlID; + UINT itemID; + user_handle_t hwndItem; + DWORD __pad; + ULONGLONG itemData; +}; + +struct packed_COMPAREITEMSTRUCT +{ + UINT CtlType; + UINT CtlID; + user_handle_t hwndItem; + DWORD __pad1; + UINT itemID1; + ULONGLONG itemData1; + UINT itemID2; + ULONGLONG itemData2; + DWORD dwLocaleId; + DWORD __pad2; +}; + /* the structures are unpacked on top of the packed ones, so make sure they fit */ C_ASSERT( sizeof(struct packed_CREATESTRUCTW) >= sizeof(CREATESTRUCTW) ); +C_ASSERT( sizeof(struct packed_DRAWITEMSTRUCT) >= sizeof(DRAWITEMSTRUCT) ); +C_ASSERT( sizeof(struct packed_MEASUREITEMSTRUCT) >= sizeof(MEASUREITEMSTRUCT) ); +C_ASSERT( sizeof(struct packed_DELETEITEMSTRUCT) >= sizeof(DELETEITEMSTRUCT) ); +C_ASSERT( sizeof(struct packed_COMPAREITEMSTRUCT) >= sizeof(COMPAREITEMSTRUCT) ); union packed_structs { struct packed_CREATESTRUCTW cs; + struct packed_DRAWITEMSTRUCT dis; + struct packed_MEASUREITEMSTRUCT mis; + struct packed_DELETEITEMSTRUCT dls; + struct packed_COMPAREITEMSTRUCT cis; }; /* description of the data fields that need to be packed along with a sent message */ @@ -621,17 +678,57 @@ static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lpara push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) ); return sizeof(MINMAXINFO); case WM_DRAWITEM: - push_data( data, (DRAWITEMSTRUCT *)lparam, sizeof(DRAWITEMSTRUCT) ); + { + DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)lparam; + data->ps.dis.CtlType = dis->CtlType; + data->ps.dis.CtlID = dis->CtlID; + data->ps.dis.itemID = dis->itemID; + data->ps.dis.itemAction = dis->itemAction; + data->ps.dis.itemState = dis->itemState; + data->ps.dis.hwndItem = wine_server_user_handle( dis->hwndItem ); + data->ps.dis.hDC = wine_server_user_handle( dis->hDC ); /* FIXME */ + data->ps.dis.rcItem = dis->rcItem; + data->ps.dis.itemData = dis->itemData; + push_data( data, &data->ps.dis, sizeof(data->ps.dis) ); return 0; + } case WM_MEASUREITEM: - push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) ); - return sizeof(MEASUREITEMSTRUCT); + { + MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam; + data->ps.mis.CtlType = mis->CtlType; + data->ps.mis.CtlID = mis->CtlID; + data->ps.mis.itemID = mis->itemID; + data->ps.mis.itemWidth = mis->itemWidth; + data->ps.mis.itemHeight = mis->itemHeight; + data->ps.mis.itemData = mis->itemData; + push_data( data, &data->ps.mis, sizeof(data->ps.mis) ); + return sizeof(data->ps.mis); + } case WM_DELETEITEM: - push_data( data, (DELETEITEMSTRUCT *)lparam, sizeof(DELETEITEMSTRUCT) ); + { + DELETEITEMSTRUCT *dls = (DELETEITEMSTRUCT *)lparam; + data->ps.dls.CtlType = dls->CtlType; + data->ps.dls.CtlID = dls->CtlID; + data->ps.dls.itemID = dls->itemID; + data->ps.dls.hwndItem = wine_server_user_handle( dls->hwndItem ); + data->ps.dls.itemData = dls->itemData; + push_data( data, &data->ps.dls, sizeof(data->ps.dls) ); return 0; + } case WM_COMPAREITEM: - push_data( data, (COMPAREITEMSTRUCT *)lparam, sizeof(COMPAREITEMSTRUCT) ); + { + COMPAREITEMSTRUCT *cis = (COMPAREITEMSTRUCT *)lparam; + data->ps.cis.CtlType = cis->CtlType; + data->ps.cis.CtlID = cis->CtlID; + data->ps.cis.hwndItem = wine_server_user_handle( cis->hwndItem ); + data->ps.cis.itemID1 = cis->itemID1; + data->ps.cis.itemData1 = cis->itemData1; + data->ps.cis.itemID2 = cis->itemID2; + data->ps.cis.itemData2 = cis->itemData2; + data->ps.cis.dwLocaleId = cis->dwLocaleId; + push_data( data, &data->ps.cis, sizeof(data->ps.cis) ); return 0; + } case WM_WINDOWPOSCHANGING: case WM_WINDOWPOSCHANGED: push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) ); @@ -885,17 +982,61 @@ static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lpa minsize = sizeof(MINMAXINFO); break; case WM_DRAWITEM: - minsize = sizeof(DRAWITEMSTRUCT); + { + DRAWITEMSTRUCT dis; + if (size < sizeof(ps->dis)) return FALSE; + dis.CtlType = ps->dis.CtlType; + dis.CtlID = ps->dis.CtlID; + dis.itemID = ps->dis.itemID; + dis.itemAction = ps->dis.itemAction; + dis.itemState = ps->dis.itemState; + dis.hwndItem = wine_server_ptr_handle( ps->dis.hwndItem ); + dis.hDC = wine_server_ptr_handle( ps->dis.hDC ); + dis.rcItem = ps->dis.rcItem; + dis.itemData = (ULONG_PTR)unpack_ptr( ps->dis.itemData ); + memcpy( &ps->dis, &dis, sizeof(dis) ); break; + } case WM_MEASUREITEM: - minsize = sizeof(MEASUREITEMSTRUCT); + { + MEASUREITEMSTRUCT mis; + if (size < sizeof(ps->mis)) return FALSE; + mis.CtlType = ps->mis.CtlType; + mis.CtlID = ps->mis.CtlID; + mis.itemID = ps->mis.itemID; + mis.itemWidth = ps->mis.itemWidth; + mis.itemHeight = ps->mis.itemHeight; + mis.itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData ); + memcpy( &ps->mis, &mis, sizeof(mis) ); break; + } case WM_DELETEITEM: - minsize = sizeof(DELETEITEMSTRUCT); + { + DELETEITEMSTRUCT dls; + if (size < sizeof(ps->dls)) return FALSE; + dls.CtlType = ps->dls.CtlType; + dls.CtlID = ps->dls.CtlID; + dls.itemID = ps->dls.itemID; + dls.hwndItem = wine_server_ptr_handle( ps->dls.hwndItem ); + dls.itemData = (ULONG_PTR)unpack_ptr( ps->dls.itemData ); + memcpy( &ps->dls, &dls, sizeof(dls) ); break; + } case WM_COMPAREITEM: - minsize = sizeof(COMPAREITEMSTRUCT); + { + COMPAREITEMSTRUCT cis; + if (size < sizeof(ps->cis)) return FALSE; + cis.CtlType = ps->cis.CtlType; + cis.CtlID = ps->cis.CtlID; + cis.hwndItem = wine_server_ptr_handle( ps->cis.hwndItem ); + cis.itemID1 = ps->cis.itemID1; + cis.itemData1 = (ULONG_PTR)unpack_ptr( ps->cis.itemData1 ); + cis.itemID2 = ps->cis.itemID2; + cis.itemData2 = (ULONG_PTR)unpack_ptr( ps->cis.itemData2 ); + cis.dwLocaleId = ps->cis.dwLocaleId; + memcpy( &ps->cis, &cis, sizeof(cis) ); break; + } case WM_WINDOWPOSCHANGING: case WM_WINDOWPOSCHANGED: case WM_WINE_SETWINDOWPOS: @@ -1147,8 +1288,17 @@ static void pack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam, push_data( data, (MINMAXINFO *)lparam, sizeof(MINMAXINFO) ); break; case WM_MEASUREITEM: - push_data( data, (MEASUREITEMSTRUCT *)lparam, sizeof(MEASUREITEMSTRUCT) ); + { + MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam; + data->ps.mis.CtlType = mis->CtlType; + data->ps.mis.CtlID = mis->CtlID; + data->ps.mis.itemID = mis->itemID; + data->ps.mis.itemWidth = mis->itemWidth; + data->ps.mis.itemHeight = mis->itemHeight; + data->ps.mis.itemData = mis->itemData; + push_data( data, &data->ps.mis, sizeof(data->ps.mis) ); break; + } case WM_WINDOWPOSCHANGING: case WM_WINDOWPOSCHANGED: push_data( data, (WINDOWPOS *)lparam, sizeof(WINDOWPOS) ); @@ -1245,7 +1395,16 @@ static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam, memcpy( (MINMAXINFO *)lparam, buffer, min( sizeof(MINMAXINFO), size )); break; case WM_MEASUREITEM: - memcpy( (MEASUREITEMSTRUCT *)lparam, buffer, min( sizeof(MEASUREITEMSTRUCT), size )); + if (size >= sizeof(ps->mis)) + { + MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)lparam; + mis->CtlType = ps->mis.CtlType; + mis->CtlID = ps->mis.CtlID; + mis->itemID = ps->mis.itemID; + mis->itemWidth = ps->mis.itemWidth; + mis->itemHeight = ps->mis.itemHeight; + mis->itemData = (ULONG_PTR)unpack_ptr( ps->mis.itemData ); + } break; case WM_WINDOWPOSCHANGING: case WM_WINDOWPOSCHANGED:
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Alexandre Julliard