rpcrt4: An interface pointer just has the size of a regular pointer.
[wine] / dlls / rpcrt4 / cpsf.c
1 /*
2  * COM proxy/stub factory (CStdPSFactory) implementation
3  *
4  * Copyright 2001 Ove Kåven, TransGaming Technologies
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <stdarg.h>
25 #include <stdio.h>
26 #include <string.h>
27
28 #define COBJMACROS
29
30 #include "windef.h"
31 #include "winbase.h"
32 #include "winerror.h"
33 #include "winreg.h"
34
35 #include "objbase.h"
36
37 #include "rpcproxy.h"
38
39 #include "wine/unicode.h"
40 #include "wine/debug.h"
41
42 #include "cpsf.h"
43
44 WINE_DEFAULT_DEBUG_CHANNEL(ole);
45
46 static void format_clsid( WCHAR *buffer, const CLSID *clsid )
47 {
48     static const WCHAR clsid_formatW[] = {'{','%','0','8','X','-','%','0','4','X','-','%','0','4','X','-',
49                                     '%','0','2','X','%','0','2','X','-','%','0','2','X','%','0','2','X',
50                                     '%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X','}',0};
51
52     sprintfW( buffer, clsid_formatW, clsid->Data1, clsid->Data2, clsid->Data3,
53               clsid->Data4[0], clsid->Data4[1], clsid->Data4[2], clsid->Data4[3],
54               clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7] );
55
56 }
57
58 static BOOL FindProxyInfo(const ProxyFileInfo **pProxyFileList, REFIID riid, const ProxyFileInfo **pProxyInfo, int *pIndex)
59 {
60   while (*pProxyFileList) {
61     if ((*pProxyFileList)->pIIDLookupRtn(riid, pIndex)) {
62       *pProxyInfo = *pProxyFileList;
63       TRACE("found: ProxyInfo %p Index %d\n", *pProxyInfo, *pIndex);
64       return TRUE;
65     }
66     pProxyFileList++;
67   }
68   TRACE("not found\n");
69   return FALSE;
70 }
71
72 static HRESULT WINAPI CStdPSFactory_QueryInterface(LPPSFACTORYBUFFER iface,
73                                                   REFIID riid,
74                                                   LPVOID *obj)
75 {
76   CStdPSFactoryBuffer *This = (CStdPSFactoryBuffer *)iface;
77   TRACE("(%p)->QueryInterface(%s,%p)\n",iface,debugstr_guid(riid),obj);
78   if (IsEqualGUID(&IID_IUnknown,riid) ||
79       IsEqualGUID(&IID_IPSFactoryBuffer,riid)) {
80     *obj = This;
81     InterlockedIncrement( &This->RefCount );
82     return S_OK;
83   }
84   return E_NOINTERFACE;
85 }
86
87 static ULONG WINAPI CStdPSFactory_AddRef(LPPSFACTORYBUFFER iface)
88 {
89   CStdPSFactoryBuffer *This = (CStdPSFactoryBuffer *)iface;
90   TRACE("(%p)->AddRef()\n",iface);
91   return InterlockedIncrement( &This->RefCount );
92 }
93
94 static ULONG WINAPI CStdPSFactory_Release(LPPSFACTORYBUFFER iface)
95 {
96   CStdPSFactoryBuffer *This = (CStdPSFactoryBuffer *)iface;
97   TRACE("(%p)->Release()\n",iface);
98   return InterlockedDecrement( &This->RefCount );
99 }
100
101 static HRESULT WINAPI CStdPSFactory_CreateProxy(LPPSFACTORYBUFFER iface,
102                                                LPUNKNOWN pUnkOuter,
103                                                REFIID riid,
104                                                LPRPCPROXYBUFFER *ppProxy,
105                                                LPVOID *ppv)
106 {
107   CStdPSFactoryBuffer *This = (CStdPSFactoryBuffer *)iface;
108   const ProxyFileInfo *ProxyInfo;
109   int Index;
110   TRACE("(%p)->CreateProxy(%p,%s,%p,%p)\n",iface,pUnkOuter,
111        debugstr_guid(riid),ppProxy,ppv);
112   if (!FindProxyInfo(This->pProxyFileList,riid,&ProxyInfo,&Index))
113     return E_NOINTERFACE;
114   return StdProxy_Construct(riid, pUnkOuter, ProxyInfo, Index, iface, ppProxy, ppv);
115 }
116
117 static HRESULT WINAPI CStdPSFactory_CreateStub(LPPSFACTORYBUFFER iface,
118                                               REFIID riid,
119                                               LPUNKNOWN pUnkServer,
120                                               LPRPCSTUBBUFFER *ppStub)
121 {
122   CStdPSFactoryBuffer *This = (CStdPSFactoryBuffer *)iface;
123   const ProxyFileInfo *ProxyInfo;
124   int Index;
125   TRACE("(%p)->CreateStub(%s,%p,%p)\n",iface,debugstr_guid(riid),
126        pUnkServer,ppStub);
127   if (!FindProxyInfo(This->pProxyFileList,riid,&ProxyInfo,&Index))
128     return E_NOINTERFACE;
129
130   if(ProxyInfo->pDelegatedIIDs && ProxyInfo->pDelegatedIIDs[Index])
131     return  CStdStubBuffer_Delegating_Construct(riid, pUnkServer, ProxyInfo->pNamesArray[Index],
132                                                 ProxyInfo->pStubVtblList[Index], ProxyInfo->pDelegatedIIDs[Index],
133                                                 iface, ppStub);
134
135   return CStdStubBuffer_Construct(riid, pUnkServer, ProxyInfo->pNamesArray[Index],
136                                   ProxyInfo->pStubVtblList[Index], iface, ppStub);
137 }
138
139 static const IPSFactoryBufferVtbl CStdPSFactory_Vtbl =
140 {
141   CStdPSFactory_QueryInterface,
142   CStdPSFactory_AddRef,
143   CStdPSFactory_Release,
144   CStdPSFactory_CreateProxy,
145   CStdPSFactory_CreateStub
146 };
147
148
149 static void init_psfactory( CStdPSFactoryBuffer *psfac, const ProxyFileInfo **file_list )
150 {
151     DWORD i, j, k;
152
153     psfac->lpVtbl = &CStdPSFactory_Vtbl;
154     psfac->RefCount = 0;
155     psfac->pProxyFileList = file_list;
156     for (i = 0; file_list[i]; i++)
157     {
158         const PCInterfaceProxyVtblList *proxies = file_list[i]->pProxyVtblList;
159         const PCInterfaceStubVtblList *stubs = file_list[i]->pStubVtblList;
160
161         for (j = 0; j < file_list[i]->TableSize; j++)
162         {
163             /* FIXME: i think that different vtables should be copied for
164              * async interfaces */
165             void * const *pSrcRpcStubVtbl = (void * const *)&CStdStubBuffer_Vtbl;
166             void **pRpcStubVtbl = (void **)&stubs[j]->Vtbl;
167
168             if (file_list[i]->pDelegatedIIDs && file_list[i]->pDelegatedIIDs[j])
169             {
170                 void **vtbl = proxies[j]->Vtbl;
171                 if (file_list[i]->TableVersion > 1) vtbl++;
172                 fill_delegated_proxy_table( (IUnknownVtbl *)vtbl, stubs[j]->header.DispatchTableCount );
173                 pSrcRpcStubVtbl = (void * const *)&CStdStubBuffer_Delegating_Vtbl;
174             }
175
176             for (k = 0; k < sizeof(IRpcStubBufferVtbl)/sizeof(void *); k++)
177                 if (!pRpcStubVtbl[k]) pRpcStubVtbl[k] = pSrcRpcStubVtbl[k];
178         }
179     }
180 }
181
182
183 /***********************************************************************
184  *           NdrDllGetClassObject [RPCRT4.@]
185  */
186 HRESULT WINAPI NdrDllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv,
187                                    const ProxyFileInfo **pProxyFileList,
188                                    const CLSID *pclsid,
189                                    CStdPSFactoryBuffer *pPSFactoryBuffer)
190 {
191   TRACE("(%s, %s, %p, %p, %s, %p)\n", debugstr_guid(rclsid),
192     debugstr_guid(iid), ppv, pProxyFileList, debugstr_guid(pclsid),
193     pPSFactoryBuffer);
194
195   *ppv = NULL;
196   if (!pPSFactoryBuffer->lpVtbl) init_psfactory( pPSFactoryBuffer, pProxyFileList );
197
198   if (pclsid && IsEqualGUID(rclsid, pclsid))
199     return IPSFactoryBuffer_QueryInterface((LPPSFACTORYBUFFER)pPSFactoryBuffer, iid, ppv);
200   else {
201     const ProxyFileInfo *info;
202     int index;
203     /* otherwise, the dll may be using the iid as the clsid, so
204      * search for it in the proxy file list */
205     if (FindProxyInfo(pProxyFileList, rclsid, &info, &index))
206       return IPSFactoryBuffer_QueryInterface((LPPSFACTORYBUFFER)pPSFactoryBuffer, iid, ppv);
207
208     WARN("class %s not available\n", debugstr_guid(rclsid));
209     return CLASS_E_CLASSNOTAVAILABLE;
210   }
211 }
212
213 /***********************************************************************
214  *           NdrDllCanUnloadNow [RPCRT4.@]
215  */
216 HRESULT WINAPI NdrDllCanUnloadNow(CStdPSFactoryBuffer *pPSFactoryBuffer)
217 {
218   return pPSFactoryBuffer->RefCount != 0 ? S_FALSE : S_OK;
219 }
220
221
222 /***********************************************************************
223  *           NdrDllRegisterProxy [RPCRT4.@]
224  */
225 HRESULT WINAPI NdrDllRegisterProxy(HMODULE hDll,
226                                   const ProxyFileInfo **pProxyFileList,
227                                   const CLSID *pclsid)
228 {
229   static const WCHAR bothW[] = {'B','o','t','h',0};
230   static const WCHAR clsidW[] = {'C','L','S','I','D','\\',0};
231   static const WCHAR clsid32W[] = {'P','r','o','x','y','S','t','u','b','C','l','s','i','d','3','2',0};
232   static const WCHAR interfaceW[] = {'I','n','t','e','r','f','a','c','e','\\',0};
233   static const WCHAR psfactoryW[] = {'P','S','F','a','c','t','o','r','y','B','u','f','f','e','r',0};
234   static const WCHAR numformatW[] = {'%','u',0};
235   static const WCHAR nummethodsW[] = {'N','u','m','M','e','t','h','o','d','s',0};
236   static const WCHAR inprocserverW[] = {'I','n','P','r','o','c','S','e','r','v','e','r','3','2',0};
237   static const WCHAR threadingmodelW[] = {'T','h','r','e','a','d','i','n','g','M','o','d','e','l',0};
238   WCHAR clsid[39], keyname[50], module[MAX_PATH];
239   HKEY key, subkey;
240   DWORD len;
241
242   TRACE("(%p,%p,%s)\n", hDll, pProxyFileList, debugstr_guid(pclsid));
243
244   if (!hDll) return E_HANDLE;
245   if (!*pProxyFileList) return E_NOINTERFACE;
246
247   if (pclsid)
248       format_clsid( clsid, pclsid );
249   else if ((*pProxyFileList)->TableSize > 0)
250       format_clsid( clsid,(*pProxyFileList)->pStubVtblList[0]->header.piid);
251   else
252       return E_NOINTERFACE;
253
254   /* register interfaces to point to clsid */
255   while (*pProxyFileList) {
256     unsigned u;
257     for (u=0; u<(*pProxyFileList)->TableSize; u++) {
258       CInterfaceStubVtbl *proxy = (*pProxyFileList)->pStubVtblList[u];
259       PCInterfaceName name = (*pProxyFileList)->pNamesArray[u];
260
261       TRACE("registering %s %s => %s\n",
262             debugstr_a(name), debugstr_guid(proxy->header.piid), debugstr_w(clsid));
263
264       strcpyW( keyname, interfaceW );
265       format_clsid( keyname + strlenW(keyname), proxy->header.piid );
266       if (RegCreateKeyW(HKEY_CLASSES_ROOT, keyname, &key) == ERROR_SUCCESS) {
267         WCHAR num[10];
268         if (name)
269           RegSetValueExA(key, NULL, 0, REG_SZ, (const BYTE *)name, strlen(name)+1);
270         RegSetValueW( key, clsid32W, REG_SZ, clsid, 0 );
271         sprintfW(num, numformatW, proxy->header.DispatchTableCount);
272         RegSetValueW( key, nummethodsW, REG_SZ, num, 0 );
273         RegCloseKey(key);
274       }
275     }
276     pProxyFileList++;
277   }
278
279   /* register clsid to point to module */
280   strcpyW( keyname, clsidW );
281   strcatW( keyname, clsid );
282   len = GetModuleFileNameW(hDll, module, sizeof(module)/sizeof(WCHAR));
283   if (len && len < sizeof(module)) {
284       TRACE("registering CLSID %s => %s\n", debugstr_w(clsid), debugstr_w(module));
285       if (RegCreateKeyW(HKEY_CLASSES_ROOT, keyname, &key) == ERROR_SUCCESS) {
286           RegSetValueExW(key, NULL, 0, REG_SZ, (const BYTE *)psfactoryW, sizeof(psfactoryW));
287           if (RegCreateKeyW(key, inprocserverW, &subkey) == ERROR_SUCCESS) {
288               RegSetValueExW(subkey, NULL, 0, REG_SZ, (LPBYTE)module, (strlenW(module)+1)*sizeof(WCHAR));
289               RegSetValueExW(subkey, threadingmodelW, 0, REG_SZ, (const BYTE *)bothW, sizeof(bothW));
290               RegCloseKey(subkey);
291           }
292           RegCloseKey(key);
293       }
294   }
295
296   return S_OK;
297 }
298
299 /***********************************************************************
300  *           NdrDllUnregisterProxy [RPCRT4.@]
301  */
302 HRESULT WINAPI NdrDllUnregisterProxy(HMODULE hDll,
303                                     const ProxyFileInfo **pProxyFileList,
304                                     const CLSID *pclsid)
305 {
306   static const WCHAR clsidW[] = {'C','L','S','I','D','\\',0};
307   static const WCHAR interfaceW[] = {'I','n','t','e','r','f','a','c','e','\\',0};
308   WCHAR keyname[50];
309   WCHAR clsid[39];
310
311   TRACE("(%p,%p,%s)\n", hDll, pProxyFileList, debugstr_guid(pclsid));
312   if (pclsid)
313       format_clsid( clsid, pclsid );
314   else if ((*pProxyFileList)->TableSize > 0)
315       format_clsid( clsid,(*pProxyFileList)->pStubVtblList[0]->header.piid);
316   else
317       return E_NOINTERFACE;
318
319   /* unregister interfaces */
320   while (*pProxyFileList) {
321     unsigned u;
322     for (u=0; u<(*pProxyFileList)->TableSize; u++) {
323       CInterfaceStubVtbl *proxy = (*pProxyFileList)->pStubVtblList[u];
324       PCInterfaceName name = (*pProxyFileList)->pNamesArray[u];
325
326       TRACE("unregistering %s %s\n", debugstr_a(name), debugstr_guid(proxy->header.piid));
327
328       strcpyW( keyname, interfaceW );
329       format_clsid( keyname + strlenW(keyname), proxy->header.piid );
330       RegDeleteTreeW(HKEY_CLASSES_ROOT, keyname);
331     }
332     pProxyFileList++;
333   }
334
335   /* unregister clsid */
336   strcpyW( keyname, clsidW );
337   strcatW( keyname, clsid );
338   RegDeleteTreeW(HKEY_CLASSES_ROOT, keyname);
339
340   return S_OK;
341 }