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