1 /* 2 * Copyright 1995 Martin von Loewis 3 * Copyright 1998 Justin Bradford 4 * Copyright 1999 Francis Beaudet 5 * Copyright 1999 Sylvain St-Germain 6 * Copyright 2002 Marcus Meissner 7 * Copyright 2003 Ove Kåven, TransGaming Technologies 8 * Copyright 2004 Mike Hearn, Rob Shearman, CodeWeavers Inc 9 * 10 * This library is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU Lesser General Public 12 * License as published by the Free Software Foundation; either 13 * version 2.1 of the License, or (at your option) any later version. 14 * 15 * This library is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * Lesser General Public License for more details. 19 * 20 * You should have received a copy of the GNU Lesser General Public 21 * License along with this library; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 23 */ 24 25 #ifndef __WINE_OLE_COMPOBJ_H 26 #define __WINE_OLE_COMPOBJ_H 27 28 /* All private prototype functions used by OLE will be added to this header file */ 29 30 #include <stdarg.h> 31 32 #include "wine/list.h" 33 #include "wine/heap.h" 34 35 #include "windef.h" 36 #include "winbase.h" 37 #include "wtypes.h" 38 #include "dcom.h" 39 #include "winreg.h" 40 #include "winternl.h" 41 42 struct apartment; 43 typedef struct apartment APARTMENT; 44 typedef struct LocalServer LocalServer; 45 46 DEFINE_OLEGUID( CLSID_DfMarshal, 0x0000030b, 0, 0 ); 47 48 /* signal to stub manager that this is a rem unknown object */ 49 #define MSHLFLAGSP_REMUNKNOWN 0x80000000 50 51 /* Thread-safety Annotation Legend: 52 * 53 * RO - The value is read only. It never changes after creation, so no 54 * locking is required. 55 * LOCK - The value is written to only using Interlocked* functions. 56 * CS - The value is read or written to inside a critical section. 57 * The identifier following "CS" is the specific critical section that 58 * must be used. 59 * MUTEX - The value is read or written to with a mutex held. 60 * The identifier following "MUTEX" is the specific mutex that 61 * must be used. 62 */ 63 64 typedef enum ifstub_state 65 { 66 STUBSTATE_NORMAL_MARSHALED, 67 STUBSTATE_NORMAL_UNMARSHALED, 68 STUBSTATE_TABLE_WEAK_MARSHALED, 69 STUBSTATE_TABLE_WEAK_UNMARSHALED, 70 STUBSTATE_TABLE_STRONG, 71 } STUB_STATE; 72 73 /* an interface stub */ 74 struct ifstub 75 { 76 struct list entry; /* entry in stub_manager->ifstubs list (CS stub_manager->lock) */ 77 IRpcStubBuffer *stubbuffer; /* RO */ 78 IID iid; /* RO */ 79 IPID ipid; /* RO */ 80 IUnknown *iface; /* RO */ 81 MSHLFLAGS flags; /* so we can enforce process-local marshalling rules (RO) */ 82 IRpcChannelBuffer*chan; /* channel passed to IRpcStubBuffer::Invoke (RO) */ 83 }; 84 85 86 /* stub managers hold refs on the object and each interface stub */ 87 struct stub_manager 88 { 89 struct list entry; /* entry in apartment stubmgr list (CS apt->cs) */ 90 struct list ifstubs; /* list of active ifstubs for the object (CS lock) */ 91 CRITICAL_SECTION lock; 92 APARTMENT *apt; /* owning apt (RO) */ 93 94 ULONG extrefs; /* number of 'external' references (CS lock) */ 95 ULONG refs; /* internal reference count (CS apt->cs) */ 96 ULONG weakrefs; /* number of weak references (CS lock) */ 97 OID oid; /* apartment-scoped unique identifier (RO) */ 98 IUnknown *object; /* the object we are managing the stub for (RO) */ 99 ULONG next_ipid; /* currently unused (LOCK) */ 100 OXID_INFO oxid_info; /* string binding, ipid of rem unknown and other information (RO) */ 101 102 IExternalConnection *extern_conn; 103 104 /* We need to keep a count of the outstanding marshals, so we can enforce the 105 * marshalling rules (ie, you can only unmarshal normal marshals once). Note 106 * that these counts do NOT include unmarshalled interfaces, once a stream is 107 * unmarshalled and a proxy set up, this count is decremented. 108 */ 109 110 ULONG norm_refs; /* refcount of normal marshals (CS lock) */ 111 BOOL disconnected; /* CoDisconnectObject has been called (CS lock) */ 112 }; 113 114 /* imported interface proxy */ 115 struct ifproxy 116 { 117 struct list entry; /* entry in proxy_manager list (CS parent->cs) */ 118 struct proxy_manager *parent; /* owning proxy_manager (RO) */ 119 LPVOID iface; /* interface pointer (RO) */ 120 STDOBJREF stdobjref; /* marshal data that represents this object (RO) */ 121 IID iid; /* interface ID (RO) */ 122 LPRPCPROXYBUFFER proxy; /* interface proxy (RO) */ 123 ULONG refs; /* imported (public) references (LOCK) */ 124 IRpcChannelBuffer *chan; /* channel to object (CS parent->cs) */ 125 }; 126 127 struct apartment 128 { 129 struct list entry; 130 131 LONG refs; /* refcount of the apartment (LOCK) */ 132 BOOL multi_threaded; /* multi-threaded or single-threaded apartment? (RO) */ 133 DWORD tid; /* thread id (RO) */ 134 OXID oxid; /* object exporter ID (RO) */ 135 LONG ipidc; /* interface pointer ID counter, starts at 1 (LOCK) */ 136 CRITICAL_SECTION cs; /* thread safety */ 137 struct list proxies; /* imported objects (CS cs) */ 138 struct list stubmgrs; /* stub managers for exported objects (CS cs) */ 139 BOOL remunk_exported; /* has the IRemUnknown interface for this apartment been created yet? (CS cs) */ 140 LONG remoting_started; /* has the RPC system been started for this apartment? (LOCK) */ 141 struct list loaded_dlls; /* list of dlls loaded by this apartment (CS cs) */ 142 DWORD host_apt_tid; /* thread ID of apartment hosting objects of differing threading model (CS cs) */ 143 HWND host_apt_hwnd; /* handle to apartment window of host apartment (CS cs) */ 144 LocalServer *local_server; /* A marshallable object exposing local servers (CS cs) */ 145 BOOL being_destroyed; /* is currently being destroyed */ 146 147 /* FIXME: OIDs should be given out by RPCSS */ 148 OID oidc; /* object ID counter, starts at 1, zero is invalid OID (CS cs) */ 149 150 /* STA-only fields */ 151 HWND win; /* message window (LOCK) */ 152 LPMESSAGEFILTER filter; /* message filter (CS cs) */ 153 BOOL main; /* is this a main-threaded-apartment? (RO) */ 154 }; 155 156 struct init_spy 157 { 158 struct list entry; 159 IInitializeSpy *spy; 160 unsigned int id; 161 }; 162 163 /* this is what is stored in TEB->ReservedForOle */ 164 struct oletls 165 { 166 struct apartment *apt; 167 IErrorInfo *errorinfo; /* see errorinfo.c */ 168 IUnknown *state; /* see CoSetState */ 169 DWORD apt_mask; /* apartment mask (+0Ch on x86) */ 170 void *unknown0; 171 DWORD inits; /* number of times CoInitializeEx called */ 172 DWORD ole_inits; /* number of times OleInitialize called */ 173 GUID causality_id; /* unique identifier for each COM call */ 174 LONG pending_call_count_client; /* number of client calls pending */ 175 LONG pending_call_count_server; /* number of server calls pending */ 176 DWORD unknown; 177 IObjContext *context_token; /* (+38h on x86) */ 178 IUnknown *call_state; /* current call context (+3Ch on x86) */ 179 DWORD unknown2[46]; 180 IUnknown *cancel_object; /* cancel object set by CoSetCancelObject (+F8h on x86) */ 181 struct list spies; /* Spies installed with CoRegisterInitializeSpy */ 182 DWORD spies_lock; 183 }; 184 185 186 /* Global Interface Table Functions */ 187 extern IGlobalInterfaceTable *get_std_git(void) DECLSPEC_HIDDEN; 188 extern void release_std_git(void) DECLSPEC_HIDDEN; 189 extern HRESULT StdGlobalInterfaceTable_GetFactory(LPVOID *ppv) DECLSPEC_HIDDEN; 190 191 HRESULT COM_OpenKeyForCLSID(REFCLSID clsid, LPCWSTR keyname, REGSAM access, HKEY *key) DECLSPEC_HIDDEN; 192 HRESULT COM_OpenKeyForAppIdFromCLSID(REFCLSID clsid, REGSAM access, HKEY *subkey) DECLSPEC_HIDDEN; 193 HRESULT MARSHAL_GetStandardMarshalCF(LPVOID *ppv) DECLSPEC_HIDDEN; 194 HRESULT FTMarshalCF_Create(REFIID riid, LPVOID *ppv) DECLSPEC_HIDDEN; 195 196 /* Stub Manager */ 197 198 ULONG stub_manager_int_release(struct stub_manager *This) DECLSPEC_HIDDEN; 199 ULONG stub_manager_ext_addref(struct stub_manager *m, ULONG refs, BOOL tableweak) DECLSPEC_HIDDEN; 200 ULONG stub_manager_ext_release(struct stub_manager *m, ULONG refs, BOOL tableweak, BOOL last_unlock_releases) DECLSPEC_HIDDEN; 201 struct ifstub *stub_manager_new_ifstub(struct stub_manager *m, IRpcStubBuffer *sb, REFIID iid, 202 DWORD dest_context, void *dest_context_data, MSHLFLAGS flags) DECLSPEC_HIDDEN; 203 struct ifstub *stub_manager_find_ifstub(struct stub_manager *m, REFIID iid, MSHLFLAGS flags) DECLSPEC_HIDDEN; 204 struct stub_manager *get_stub_manager(APARTMENT *apt, OID oid) DECLSPEC_HIDDEN; 205 struct stub_manager *get_stub_manager_from_object(APARTMENT *apt, IUnknown *object, BOOL alloc) DECLSPEC_HIDDEN; 206 BOOL stub_manager_notify_unmarshal(struct stub_manager *m, const IPID *ipid) DECLSPEC_HIDDEN; 207 BOOL stub_manager_is_table_marshaled(struct stub_manager *m, const IPID *ipid) DECLSPEC_HIDDEN; 208 void stub_manager_release_marshal_data(struct stub_manager *m, ULONG refs, const IPID *ipid, BOOL tableweak) DECLSPEC_HIDDEN; 209 void stub_manager_disconnect(struct stub_manager *m) DECLSPEC_HIDDEN; 210 HRESULT ipid_get_dispatch_params(const IPID *ipid, APARTMENT **stub_apt, struct stub_manager **manager, IRpcStubBuffer **stub, 211 IRpcChannelBuffer **chan, IID *iid, IUnknown **iface) DECLSPEC_HIDDEN; 212 HRESULT start_apartment_remote_unknown(APARTMENT *apt) DECLSPEC_HIDDEN; 213 214 HRESULT marshal_object(APARTMENT *apt, STDOBJREF *stdobjref, REFIID riid, IUnknown *obj, DWORD dest_context, void *dest_context_data, MSHLFLAGS mshlflags) DECLSPEC_HIDDEN; 215 216 /* RPC Backend */ 217 218 struct dispatch_params; 219 220 void RPC_StartRemoting(struct apartment *apt) DECLSPEC_HIDDEN; 221 HRESULT RPC_CreateClientChannel(const OXID *oxid, const IPID *ipid, 222 const OXID_INFO *oxid_info, const IID *iid, 223 DWORD dest_context, void *dest_context_data, 224 IRpcChannelBuffer **chan, APARTMENT *apt) DECLSPEC_HIDDEN; 225 HRESULT RPC_CreateServerChannel(DWORD dest_context, void *dest_context_data, IRpcChannelBuffer **chan) DECLSPEC_HIDDEN; 226 void RPC_ExecuteCall(struct dispatch_params *params) DECLSPEC_HIDDEN; 227 HRESULT RPC_RegisterInterface(REFIID riid) DECLSPEC_HIDDEN; 228 void RPC_UnregisterInterface(REFIID riid, BOOL wait) DECLSPEC_HIDDEN; 229 HRESULT RPC_StartLocalServer(REFCLSID clsid, IStream *stream, BOOL multi_use, void **registration) DECLSPEC_HIDDEN; 230 void RPC_StopLocalServer(void *registration) DECLSPEC_HIDDEN; 231 HRESULT RPC_GetLocalClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv) DECLSPEC_HIDDEN; 232 HRESULT RPC_RegisterChannelHook(REFGUID rguid, IChannelHook *hook) DECLSPEC_HIDDEN; 233 void RPC_UnregisterAllChannelHooks(void) DECLSPEC_HIDDEN; 234 HRESULT RPC_ResolveOxid(OXID oxid, OXID_INFO *oxid_info) DECLSPEC_HIDDEN; 235 236 /* This function initialize the Running Object Table */ 237 HRESULT WINAPI RunningObjectTableImpl_Initialize(void) DECLSPEC_HIDDEN; 238 239 /* This function uninitialize the Running Object Table */ 240 HRESULT WINAPI RunningObjectTableImpl_UnInitialize(void) DECLSPEC_HIDDEN; 241 242 /* Drag and drop */ 243 void OLEDD_UnInitialize(void) DECLSPEC_HIDDEN; 244 245 /* Apartment Functions */ 246 247 APARTMENT *apartment_findfromoxid(OXID oxid, BOOL ref) DECLSPEC_HIDDEN; 248 APARTMENT *apartment_findfromtid(DWORD tid) DECLSPEC_HIDDEN; 249 DWORD apartment_release(struct apartment *apt) DECLSPEC_HIDDEN; 250 HRESULT apartment_disconnectproxies(struct apartment *apt) DECLSPEC_HIDDEN; 251 static inline HRESULT apartment_getoxid(const struct apartment *apt, OXID *oxid) 252 { 253 *oxid = apt->oxid; 254 return S_OK; 255 } 256 HRESULT apartment_createwindowifneeded(struct apartment *apt) DECLSPEC_HIDDEN; 257 HWND apartment_getwindow(const struct apartment *apt) DECLSPEC_HIDDEN; 258 HRESULT enter_apartment(struct oletls *info, DWORD model) DECLSPEC_HIDDEN; 259 void leave_apartment(struct oletls *info) DECLSPEC_HIDDEN; 260 APARTMENT *apartment_get_current_or_mta(void) DECLSPEC_HIDDEN; 261 262 /* DCOM messages used by the apartment window (not compatible with native) */ 263 #define DM_EXECUTERPC (WM_USER + 0) /* WPARAM = 0, LPARAM = (struct dispatch_params *) */ 264 #define DM_HOSTOBJECT (WM_USER + 1) /* WPARAM = 0, LPARAM = (struct host_object_params *) */ 265 266 /* 267 * Per-thread values are stored in the TEB on offset 0xF80 268 */ 269 270 /* will create if necessary */ 271 static inline struct oletls *COM_CurrentInfo(void) 272 { 273 if (!NtCurrentTeb()->ReservedForOle) 274 { 275 struct oletls *oletls = heap_alloc_zero(sizeof(*oletls)); 276 if (oletls) 277 list_init(&oletls->spies); 278 NtCurrentTeb()->ReservedForOle = oletls; 279 } 280 281 return NtCurrentTeb()->ReservedForOle; 282 } 283 284 static inline APARTMENT* COM_CurrentApt(void) 285 { 286 return COM_CurrentInfo()->apt; 287 } 288 289 static inline GUID COM_CurrentCausalityId(void) 290 { 291 struct oletls *info = COM_CurrentInfo(); 292 if (!info) 293 return GUID_NULL; 294 if (IsEqualGUID(&info->causality_id, &GUID_NULL)) 295 CoCreateGuid(&info->causality_id); 296 return info->causality_id; 297 } 298 299 /* helpers for debugging */ 300 # define DEBUG_SET_CRITSEC_NAME(cs, name) (cs)->DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": " name) 301 # define DEBUG_CLEAR_CRITSEC_NAME(cs) (cs)->DebugInfo->Spare[0] = 0 302 303 #define CHARS_IN_GUID 39 /* including NULL */ 304 305 #define WINE_CLSCTX_DONT_HOST 0x80000000 306 307 /* from dlldata.c */ 308 extern HINSTANCE hProxyDll DECLSPEC_HIDDEN; 309 extern HRESULT WINAPI OLE32_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv) DECLSPEC_HIDDEN; 310 extern HRESULT WINAPI OLE32_DllRegisterServer(void) DECLSPEC_HIDDEN; 311 extern HRESULT WINAPI OLE32_DllUnregisterServer(void) DECLSPEC_HIDDEN; 312 313 extern HRESULT Handler_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv) DECLSPEC_HIDDEN; 314 extern HRESULT HandlerCF_Create(REFCLSID rclsid, REFIID riid, LPVOID *ppv) DECLSPEC_HIDDEN; 315 316 extern HRESULT WINAPI GlobalOptions_CreateInstance(IClassFactory *iface, IUnknown *pUnk, 317 REFIID riid, void **ppv) DECLSPEC_HIDDEN; 318 extern IClassFactory GlobalOptionsCF DECLSPEC_HIDDEN; 319 320 /* Exported non-interface Data Advise Holder functions */ 321 HRESULT DataAdviseHolder_OnConnect(IDataAdviseHolder *iface, IDataObject *pDelegate) DECLSPEC_HIDDEN; 322 void DataAdviseHolder_OnDisconnect(IDataAdviseHolder *iface) DECLSPEC_HIDDEN; 323 324 extern UINT ownerlink_clipboard_format DECLSPEC_HIDDEN; 325 extern UINT filename_clipboard_format DECLSPEC_HIDDEN; 326 extern UINT filenameW_clipboard_format DECLSPEC_HIDDEN; 327 extern UINT dataobject_clipboard_format DECLSPEC_HIDDEN; 328 extern UINT embedded_object_clipboard_format DECLSPEC_HIDDEN; 329 extern UINT embed_source_clipboard_format DECLSPEC_HIDDEN; 330 extern UINT custom_link_source_clipboard_format DECLSPEC_HIDDEN; 331 extern UINT link_source_clipboard_format DECLSPEC_HIDDEN; 332 extern UINT object_descriptor_clipboard_format DECLSPEC_HIDDEN; 333 extern UINT link_source_descriptor_clipboard_format DECLSPEC_HIDDEN; 334 extern UINT ole_private_data_clipboard_format DECLSPEC_HIDDEN; 335 336 extern LSTATUS create_classes_key(HKEY, const WCHAR *, REGSAM, HKEY *) DECLSPEC_HIDDEN; 337 extern LSTATUS open_classes_key(HKEY, const WCHAR *, REGSAM, HKEY *) DECLSPEC_HIDDEN; 338 339 extern BOOL actctx_get_miscstatus(const CLSID*, DWORD, DWORD*) DECLSPEC_HIDDEN; 340 341 extern const char *debugstr_formatetc(const FORMATETC *formatetc) DECLSPEC_HIDDEN; 342 343 static inline HRESULT copy_formatetc(FORMATETC *dst, const FORMATETC *src) 344 { 345 *dst = *src; 346 if (src->ptd) 347 { 348 dst->ptd = CoTaskMemAlloc( src->ptd->tdSize ); 349 if (!dst->ptd) return E_OUTOFMEMORY; 350 memcpy( dst->ptd, src->ptd, src->ptd->tdSize ); 351 } 352 return S_OK; 353 } 354 355 extern HRESULT EnumSTATDATA_Construct(IUnknown *holder, ULONG index, DWORD array_len, STATDATA *data, 356 BOOL copy, IEnumSTATDATA **ppenum) DECLSPEC_HIDDEN; 357 358 #endif /* __WINE_OLE_COMPOBJ_H */ 359