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![Connor McAdams](/assets/img/avatar_default.png)
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54609 Signed-off-by: Connor McAdams <cmcadams@codeweavers.com>
261 lines
12 KiB
C
261 lines
12 KiB
C
/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "winternl.h"
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#include "wine/orpc.h"
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#include "wine/list.h"
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extern HINSTANCE hProxyDll;
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struct apartment
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{
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struct list entry;
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LONG refs; /* refcount of the apartment (LOCK) */
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BOOL multi_threaded; /* multi-threaded or single-threaded apartment? (RO) */
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DWORD tid; /* thread id (RO) */
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OXID oxid; /* object exporter ID (RO) */
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LONG ipidc; /* interface pointer ID counter, starts at 1 (LOCK) */
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CRITICAL_SECTION cs; /* thread safety */
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struct list proxies; /* imported objects (CS cs) */
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struct list stubmgrs; /* stub managers for exported objects (CS cs) */
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BOOL remunk_exported; /* has the IRemUnknown interface for this apartment been created yet? (CS cs) */
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LONG remoting_started; /* has the RPC system been started for this apartment? (LOCK) */
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struct list loaded_dlls; /* list of dlls loaded by this apartment (CS cs) */
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DWORD host_apt_tid; /* thread ID of apartment hosting objects of differing threading model (CS cs) */
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HWND host_apt_hwnd; /* handle to apartment window of host apartment (CS cs) */
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struct local_server *local_server; /* A marshallable object exposing local servers (CS cs) */
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BOOL being_destroyed; /* is currently being destroyed */
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/* FIXME: OIDs should be given out by RPCSS */
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OID oidc; /* object ID counter, starts at 1, zero is invalid OID (CS cs) */
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/* STA-only fields */
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HWND win; /* message window (LOCK) */
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IMessageFilter *filter; /* message filter (CS cs) */
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BOOL main; /* is this a main-threaded-apartment? (RO) */
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/* MTA-only */
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struct list usage_cookies; /* Used for refcount control with CoIncrementMTAUsage()/CoDecrementMTAUsage(). */
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};
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HRESULT open_key_for_clsid(REFCLSID clsid, const WCHAR *keyname, REGSAM access, HKEY *subkey);
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HRESULT open_appidkey_from_clsid(REFCLSID clsid, REGSAM access, HKEY *subkey);
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/* DCOM messages used by the apartment window (not compatible with native) */
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#define DM_EXECUTERPC (WM_USER + 0) /* WPARAM = 0, LPARAM = (struct dispatch_params *) */
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#define DM_HOSTOBJECT (WM_USER + 1) /* WPARAM = 0, LPARAM = (struct host_object_params *) */
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#define CHARS_IN_GUID 39
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enum tlsdata_flags
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{
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OLETLS_UUIDINITIALIZED = 0x2,
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OLETLS_DISABLE_OLE1DDE = 0x40,
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OLETLS_APARTMENTTHREADED = 0x80,
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OLETLS_MULTITHREADED = 0x100,
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};
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/* this is what is stored in TEB->ReservedForOle */
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struct tlsdata
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{
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struct apartment *apt;
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IErrorInfo *errorinfo;
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DWORD thread_seqid; /* returned with CoGetCurrentProcess */
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DWORD flags; /* tlsdata_flags (+0Ch on x86) */
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void *unknown0;
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DWORD inits; /* number of times CoInitializeEx called */
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DWORD ole_inits; /* number of times OleInitialize called */
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GUID causality_id; /* unique identifier for each COM call */
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LONG pending_call_count_client; /* number of client calls pending */
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LONG pending_call_count_server; /* number of server calls pending */
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DWORD unknown;
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IObjContext *context_token; /* (+38h on x86) */
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IUnknown *call_state; /* current call context (+3Ch on x86) */
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DWORD unknown2[46];
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IUnknown *cancel_object; /* cancel object set by CoSetCancelObject (+F8h on x86) */
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IUnknown *state; /* see CoSetState */
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struct list spies; /* Spies installed with CoRegisterInitializeSpy */
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DWORD spies_lock;
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DWORD cancelcount;
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};
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extern HRESULT WINAPI InternalTlsAllocData(struct tlsdata **data);
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static inline HRESULT com_get_tlsdata(struct tlsdata **data)
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{
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*data = NtCurrentTeb()->ReservedForOle;
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return *data ? S_OK : InternalTlsAllocData(data);
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}
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static inline struct apartment* com_get_current_apt(void)
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{
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struct tlsdata *tlsdata = NULL;
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com_get_tlsdata(&tlsdata);
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return tlsdata->apt;
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}
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HWND apartment_getwindow(const struct apartment *apt);
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HRESULT apartment_createwindowifneeded(struct apartment *apt);
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void apartment_freeunusedlibraries(struct apartment *apt, DWORD unload_delay);
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void apartment_global_cleanup(void);
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OXID apartment_getoxid(const struct apartment *apt);
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HRESULT apartment_disconnectproxies(struct apartment *apt);
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/* RpcSs interface */
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HRESULT rpcss_get_next_seqid(DWORD *id);
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HRESULT rpc_get_local_class_object(REFCLSID rclsid, REFIID riid, void **obj);
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HRESULT rpc_register_local_server(REFCLSID clsid, IStream *stream, DWORD flags, unsigned int *cookie);
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HRESULT rpc_revoke_local_server(unsigned int cookie);
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HRESULT rpc_create_clientchannel(const OXID *oxid, const IPID *ipid, const OXID_INFO *oxid_info, const IID *iid,
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DWORD dest_context, void *dest_context_data, IRpcChannelBuffer **chan, struct apartment *apt);
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HRESULT rpc_create_serverchannel(DWORD dest_context, void *dest_context_data, IRpcChannelBuffer **chan);
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HRESULT rpc_register_interface(REFIID riid);
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void rpc_unregister_interface(REFIID riid, BOOL wait);
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HRESULT rpc_resolve_oxid(OXID oxid, OXID_INFO *oxid_info);
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void rpc_start_remoting(struct apartment *apt);
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HRESULT rpc_register_channel_hook(REFGUID rguid, IChannelHook *hook);
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void rpc_unregister_channel_hooks(void);
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struct dispatch_params;
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void rpc_execute_call(struct dispatch_params *params);
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enum class_reg_data_origin
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{
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CLASS_REG_ACTCTX,
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CLASS_REG_REGISTRY,
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};
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struct class_reg_data
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{
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enum class_reg_data_origin origin;
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union
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{
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struct
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{
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const WCHAR *module_name;
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DWORD threading_model;
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HANDLE hactctx;
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} actctx;
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HKEY hkey;
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} u;
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};
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HRESULT enter_apartment(struct tlsdata *data, DWORD model);
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void leave_apartment(struct tlsdata *data);
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void apartment_release(struct apartment *apt);
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struct apartment * apartment_get_current_or_mta(void);
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HRESULT apartment_increment_mta_usage(CO_MTA_USAGE_COOKIE *cookie);
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void apartment_decrement_mta_usage(CO_MTA_USAGE_COOKIE cookie);
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struct apartment * apartment_get_mta(void);
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HRESULT apartment_get_inproc_class_object(struct apartment *apt, const struct class_reg_data *regdata,
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REFCLSID rclsid, REFIID riid, DWORD class_context, void **ppv);
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HRESULT apartment_get_local_server_stream(struct apartment *apt, IStream **ret);
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IUnknown *com_get_registered_class_object(const struct apartment *apartment, REFCLSID rclsid,
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DWORD clscontext);
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void apartment_revoke_all_classes(const struct apartment *apt);
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struct apartment * apartment_findfromoxid(OXID oxid);
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struct apartment * apartment_findfromtid(DWORD tid);
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HRESULT marshal_object(struct apartment *apt, STDOBJREF *stdobjref, REFIID riid, IUnknown *object,
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DWORD dest_context, void *dest_context_data, MSHLFLAGS mshlflags);
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/* Stub Manager */
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/* signal to stub manager that this is a rem unknown object */
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#define MSHLFLAGSP_REMUNKNOWN 0x80000000
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/* Thread-safety Annotation Legend:
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*
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* RO - The value is read only. It never changes after creation, so no
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* locking is required.
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* LOCK - The value is written to only using Interlocked* functions.
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* CS - The value is read or written to inside a critical section.
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* The identifier following "CS" is the specific critical section that
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* must be used.
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* MUTEX - The value is read or written to with a mutex held.
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* The identifier following "MUTEX" is the specific mutex that
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* must be used.
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*/
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typedef enum ifstub_state
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{
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STUBSTATE_NORMAL_MARSHALED,
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STUBSTATE_NORMAL_UNMARSHALED,
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STUBSTATE_TABLE_WEAK_MARSHALED,
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STUBSTATE_TABLE_WEAK_UNMARSHALED,
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STUBSTATE_TABLE_STRONG,
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} STUB_STATE;
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/* an interface stub */
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struct ifstub
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{
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struct list entry; /* entry in stub_manager->ifstubs list (CS stub_manager->lock) */
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IRpcStubBuffer *stubbuffer; /* RO */
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IID iid; /* RO */
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IPID ipid; /* RO */
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IUnknown *iface; /* RO */
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MSHLFLAGS flags; /* so we can enforce process-local marshalling rules (RO) */
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IRpcChannelBuffer*chan; /* channel passed to IRpcStubBuffer::Invoke (RO) */
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};
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/* stub managers hold refs on the object and each interface stub */
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struct stub_manager
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{
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struct list entry; /* entry in apartment stubmgr list (CS apt->cs) */
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struct list ifstubs; /* list of active ifstubs for the object (CS lock) */
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CRITICAL_SECTION lock;
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struct apartment *apt; /* owning apt (RO) */
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ULONG extrefs; /* number of 'external' references (CS lock) */
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ULONG refs; /* internal reference count (CS apt->cs) */
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ULONG weakrefs; /* number of weak references (CS lock) */
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OID oid; /* apartment-scoped unique identifier (RO) */
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IUnknown *object; /* the object we are managing the stub for (RO) */
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ULONG next_ipid; /* currently unused (LOCK) */
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OXID_INFO oxid_info; /* string binding, ipid of rem unknown and other information (RO) */
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IExternalConnection *extern_conn;
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/* We need to keep a count of the outstanding marshals, so we can enforce the
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* marshalling rules (ie, you can only unmarshal normal marshals once). Note
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* that these counts do NOT include unmarshalled interfaces, once a stream is
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* unmarshalled and a proxy set up, this count is decremented.
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*/
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ULONG norm_refs; /* refcount of normal marshals (CS lock) */
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BOOL disconnected; /* CoDisconnectObject has been called (CS lock) */
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};
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ULONG stub_manager_int_release(struct stub_manager *stub_manager);
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struct stub_manager * get_stub_manager_from_object(struct apartment *apt, IUnknown *object, BOOL alloc);
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void stub_manager_disconnect(struct stub_manager *m);
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ULONG stub_manager_ext_addref(struct stub_manager *m, ULONG refs, BOOL tableweak);
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ULONG stub_manager_ext_release(struct stub_manager *m, ULONG refs, BOOL tableweak, BOOL last_unlock_releases);
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struct stub_manager * get_stub_manager(struct apartment *apt, OID oid);
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void stub_manager_release_marshal_data(struct stub_manager *m, ULONG refs, const IPID *ipid, BOOL tableweak);
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BOOL stub_manager_is_table_marshaled(struct stub_manager *m, const IPID *ipid);
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BOOL stub_manager_notify_unmarshal(struct stub_manager *m, const IPID *ipid);
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struct ifstub * stub_manager_find_ifstub(struct stub_manager *m, REFIID iid, MSHLFLAGS flags);
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struct ifstub * stub_manager_new_ifstub(struct stub_manager *m, IRpcStubBuffer *sb, REFIID iid, DWORD dest_context,
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void *dest_context_data, MSHLFLAGS flags);
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HRESULT ipid_get_dispatch_params(const IPID *ipid, struct apartment **stub_apt,
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struct stub_manager **manager, IRpcStubBuffer **stub, IRpcChannelBuffer **chan,
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IID *iid, IUnknown **iface);
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HRESULT ipid_get_dest_context(const IPID *ipid, MSHCTX *dest_context, void **dest_context_data);
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HRESULT start_apartment_remote_unknown(struct apartment *apt);
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