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 BOOL FindProxyInfo(const ProxyFileInfo **pProxyFileList, REFIID riid, const ProxyFileInfo **pProxyInfo, int *pIndex)
  43 {
  44   while (*pProxyFileList) {
  45     if ((*pProxyFileList)->pIIDLookupRtn(riid, pIndex)) {
  46       *pProxyInfo = *pProxyFileList;
  47       TRACE("found: ProxyInfo %p Index %d\n", *pProxyInfo, *pIndex);
  48       return TRUE;
  49     }
  50     pProxyFileList++;
  51   }
  52   TRACE("not found\n");
  53   return FALSE;
  54 }
  55
  56 static HRESULT WINAPI CStdPSFactory_QueryInterface(LPPSFACTORYBUFFER iface,
  57                                                   REFIID riid,
  58                                                   LPVOID *obj)
  59 {
  60   CStdPSFactoryBuffer *This = (CStdPSFactoryBuffer *)iface;
  61   TRACE("(%p)->QueryInterface(%s,%p)\n",iface,debugstr_guid(riid),obj);
  62   if (IsEqualGUID(&IID_IUnknown,riid) ||
  63       IsEqualGUID(&IID_IPSFactoryBuffer,riid)) {
  64     *obj = This;
  65     This->RefCount++;
  66     return S_OK;
  67   }
  68   return E_NOINTERFACE;
  69 }
  70
  71 static ULONG WINAPI CStdPSFactory_AddRef(LPPSFACTORYBUFFER iface)
  72 {
  73   CStdPSFactoryBuffer *This = (CStdPSFactoryBuffer *)iface;
  74   TRACE("(%p)->AddRef()\n",iface);
  75   return ++(This->RefCount);
  76 }
  77
  78 static ULONG WINAPI CStdPSFactory_Release(LPPSFACTORYBUFFER iface)
  79 {
  80   CStdPSFactoryBuffer *This = (CStdPSFactoryBuffer *)iface;
  81   TRACE("(%p)->Release()\n",iface);
  82   return --(This->RefCount);
  83 }
  84
  85 static HRESULT WINAPI CStdPSFactory_CreateProxy(LPPSFACTORYBUFFER iface,
  86                                                LPUNKNOWN pUnkOuter,
  87                                                REFIID riid,
  88                                                LPRPCPROXYBUFFER *ppProxy,
  89                                                LPVOID *ppv)
  90 {
  91   CStdPSFactoryBuffer *This = (CStdPSFactoryBuffer *)iface;
  92   const ProxyFileInfo *ProxyInfo;
  93   int Index;
  94   TRACE("(%p)->CreateProxy(%p,%s,%p,%p)\n",iface,pUnkOuter,
  95        debugstr_guid(riid),ppProxy,ppv);
  96   if (!FindProxyInfo(This->pProxyFileList,riid,&ProxyInfo,&Index))
  97     return E_NOINTERFACE;
  98   return StdProxy_Construct(riid, pUnkOuter, ProxyInfo, Index, iface, ppProxy, ppv);
  99 }
 100
 101 static HRESULT WINAPI CStdPSFactory_CreateStub(LPPSFACTORYBUFFER iface,
 102                                               REFIID riid,
 103                                               LPUNKNOWN pUnkServer,
 104                                               LPRPCSTUBBUFFER *ppStub)
 105 {
 106   CStdPSFactoryBuffer *This = (CStdPSFactoryBuffer *)iface;
 107   const ProxyFileInfo *ProxyInfo;
 108   int Index;
 109   TRACE("(%p)->CreateStub(%s,%p,%p)\n",iface,debugstr_guid(riid),
 110        pUnkServer,ppStub);
 111   if (!FindProxyInfo(This->pProxyFileList,riid,&ProxyInfo,&Index))
 112     return E_NOINTERFACE;
 113
 114   if(ProxyInfo->pDelegatedIIDs && ProxyInfo->pDelegatedIIDs[Index])
 115     return  CStdStubBuffer_Delegating_Construct(riid, pUnkServer, ProxyInfo->pNamesArray[Index],
 116                                                 ProxyInfo->pStubVtblList[Index], ProxyInfo->pDelegatedIIDs[Index],
 117                                                 iface, ppStub);
 118
 119   return CStdStubBuffer_Construct(riid, pUnkServer, ProxyInfo->pNamesArray[Index],
 120                                   ProxyInfo->pStubVtblList[Index], iface, ppStub);
 121 }
 122
 123 static const IPSFactoryBufferVtbl CStdPSFactory_Vtbl =
 124 {
 125   CStdPSFactory_QueryInterface,
 126   CStdPSFactory_AddRef,
 127   CStdPSFactory_Release,
 128   CStdPSFactory_CreateProxy,
 129   CStdPSFactory_CreateStub
 130 };
 131
 132 /***********************************************************************
 133  *           NdrDllGetClassObject [RPCRT4.@]
 134  */
 135 HRESULT WINAPI NdrDllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv,
 136                                    const ProxyFileInfo **pProxyFileList,
 137                                    const CLSID *pclsid,
 138                                    CStdPSFactoryBuffer *pPSFactoryBuffer)
 139 {
 140   TRACE("(%s, %s, %p, %p, %s, %p)\n", debugstr_guid(rclsid),
 141     debugstr_guid(iid), ppv, pProxyFileList, debugstr_guid(pclsid),
 142     pPSFactoryBuffer);
 143
 144   *ppv = NULL;
 145   if (!pPSFactoryBuffer->lpVtbl) {
 146     const ProxyFileInfo **pProxyFileList2;
 147     int max_delegating_vtbl_size = 0;
 148     pPSFactoryBuffer->lpVtbl = &CStdPSFactory_Vtbl;
 149     pPSFactoryBuffer->RefCount = 0;
 150     pPSFactoryBuffer->pProxyFileList = pProxyFileList;
 151     for (pProxyFileList2 = pProxyFileList; *pProxyFileList2; pProxyFileList2++) {
 152       int i;
 153       for (i = 0; i < (*pProxyFileList2)->TableSize; i++) {
 154         /* FIXME: i think that different vtables should be copied for
 155          * async interfaces */
 156         void * const *pSrcRpcStubVtbl = (void * const *)&CStdStubBuffer_Vtbl;
 157         void **pRpcStubVtbl = (void **)&(*pProxyFileList2)->pStubVtblList[i]->Vtbl;
 158         int j;
 159
 160         if ((*pProxyFileList2)->pDelegatedIIDs && (*pProxyFileList2)->pDelegatedIIDs[i]) {
 161           pSrcRpcStubVtbl = (void * const *)&CStdStubBuffer_Delegating_Vtbl;
 162           if ((*pProxyFileList2)->pStubVtblList[i]->header.DispatchTableCount > max_delegating_vtbl_size)
 163             max_delegating_vtbl_size = (*pProxyFileList2)->pStubVtblList[i]->header.DispatchTableCount;
 164         }
 165
 166         for (j = 0; j < sizeof(IRpcStubBufferVtbl)/sizeof(void *); j++)
 167           if (!pRpcStubVtbl[j])
 168             pRpcStubVtbl[j] = pSrcRpcStubVtbl[j];
 169       }
 170     }
 171     if(max_delegating_vtbl_size > 0)
 172       create_delegating_vtbl(max_delegating_vtbl_size);
 173   }
 174   if (IsEqualGUID(rclsid, pclsid))
 175     return IPSFactoryBuffer_QueryInterface((LPPSFACTORYBUFFER)pPSFactoryBuffer, iid, ppv);
 176   else {
 177     const ProxyFileInfo *info;
 178     int index;
 179     /* otherwise, the dll may be using the iid as the clsid, so
 180      * search for it in the proxy file list */
 181     if (FindProxyInfo(pProxyFileList, rclsid, &info, &index))
 182       return IPSFactoryBuffer_QueryInterface((LPPSFACTORYBUFFER)pPSFactoryBuffer, iid, ppv);
 183
 184     WARN("class %s not available\n", debugstr_guid(rclsid));
 185     return CLASS_E_CLASSNOTAVAILABLE;
 186   }
 187 }
 188
 189 /***********************************************************************
 190  *           NdrDllCanUnloadNow [RPCRT4.@]
 191  */
 192 HRESULT WINAPI NdrDllCanUnloadNow(CStdPSFactoryBuffer *pPSFactoryBuffer)
 193 {
 194   return !(pPSFactoryBuffer->RefCount);
 195 }
 196
 197 /***********************************************************************
 198  *           NdrDllRegisterProxy [RPCRT4.@]
 199  */
 200 HRESULT WINAPI NdrDllRegisterProxy(HMODULE hDll,
 201                                   const ProxyFileInfo **pProxyFileList,
 202                                   const CLSID *pclsid)
 203 {
 204   LPSTR clsid;
 205   char keyname[120], module[MAX_PATH];
 206   HKEY key, subkey;
 207   DWORD len;
 208
 209   TRACE("(%p,%p,%s)\n", hDll, pProxyFileList, debugstr_guid(pclsid));
 210   UuidToStringA((UUID*)pclsid, (unsigned char**)&clsid);
 211
 212   /* register interfaces to point to clsid */
 213   while (*pProxyFileList) {
 214     unsigned u;
 215     for (u=0; u<(*pProxyFileList)->TableSize; u++) {
 216       CInterfaceStubVtbl *proxy = (*pProxyFileList)->pStubVtblList[u];
 217       PCInterfaceName name = (*pProxyFileList)->pNamesArray[u];
 218       LPSTR iid;
 219
 220       TRACE("registering %s %s => %s\n", name, debugstr_guid(proxy->header.piid), clsid);
 221
 222       UuidToStringA((UUID*)proxy->header.piid, (unsigned char**)&iid);
 223       snprintf(keyname, sizeof(keyname), "Interface\\{%s}", iid);
 224       RpcStringFreeA((unsigned char**)&iid);
 225       if (RegCreateKeyExA(HKEY_CLASSES_ROOT, keyname, 0, NULL, 0,
 226                           KEY_WRITE, NULL, &key, NULL) == ERROR_SUCCESS) {
 227         if (name)
 228           RegSetValueExA(key, NULL, 0, REG_SZ, (const BYTE *)name, strlen(name));
 229         if (RegCreateKeyExA(key, "ProxyStubClsid32", 0, NULL, 0,
 230                             KEY_WRITE, NULL, &subkey, NULL) == ERROR_SUCCESS) {
 231           snprintf(module, sizeof(module), "{%s}", clsid);
 232           RegSetValueExA(subkey, NULL, 0, REG_SZ, (LPBYTE)module, strlen(module));
 233           RegCloseKey(subkey);
 234         }
 235         RegCloseKey(key);
 236       }
 237     }
 238     pProxyFileList++;
 239   }
 240
 241   /* register clsid to point to module */
 242   snprintf(keyname, sizeof(keyname), "CLSID\\{%s}", clsid);
 243   len = GetModuleFileNameA(hDll, module, sizeof(module));
 244   if (len && len < sizeof(module)) {
 245     TRACE("registering CLSID %s => %s\n", clsid, module);
 246     if (RegCreateKeyExA(HKEY_CLASSES_ROOT, keyname, 0, NULL, 0,
 247                         KEY_WRITE, NULL, &key, NULL) == ERROR_SUCCESS) {
 248       RegSetValueExA(subkey, NULL, 0, REG_SZ, (const BYTE *)"PSFactoryBuffer", strlen("PSFactoryBuffer"));
 249       if (RegCreateKeyExA(key, "InProcServer32", 0, NULL, 0,
 250                           KEY_WRITE, NULL, &subkey, NULL) == ERROR_SUCCESS) {
 251         RegSetValueExA(subkey, NULL, 0, REG_SZ, (LPBYTE)module, strlen(module));
 252         RegSetValueExA(subkey, "ThreadingModel", 0, REG_SZ, (const BYTE *)"Both", strlen("Both"));
 253         RegCloseKey(subkey);
 254       }
 255       RegCloseKey(key);
 256     }
 257   }
 258
 259   /* done */
 260   RpcStringFreeA((unsigned char**)&clsid);
 261   return S_OK;
 262 }
 263
 264 /***********************************************************************
 265  *           NdrDllUnregisterProxy [RPCRT4.@]
 266  */
 267 HRESULT WINAPI NdrDllUnregisterProxy(HMODULE hDll,
 268                                     const ProxyFileInfo **pProxyFileList,
 269                                     const CLSID *pclsid)
 270 {
 271   LPSTR clsid;
 272   char keyname[120], module[MAX_PATH];
 273   DWORD len;
 274
 275   TRACE("(%p,%p,%s)\n", hDll, pProxyFileList, debugstr_guid(pclsid));
 276   UuidToStringA((UUID*)pclsid, (unsigned char**)&clsid);
 277
 278   /* unregister interfaces */
 279   while (*pProxyFileList) {
 280     unsigned u;
 281     for (u=0; u<(*pProxyFileList)->TableSize; u++) {
 282       CInterfaceStubVtbl *proxy = (*pProxyFileList)->pStubVtblList[u];
 283       PCInterfaceName name = (*pProxyFileList)->pNamesArray[u];
 284       LPSTR iid;
 285
 286       TRACE("unregistering %s %s <= %s\n", name, debugstr_guid(proxy->header.piid), clsid);
 287
 288       UuidToStringA((UUID*)proxy->header.piid, (unsigned char**)&iid);
 289       snprintf(keyname, sizeof(keyname), "Interface\\{%s}", iid);
 290       RpcStringFreeA((unsigned char**)&iid);
 291       RegDeleteKeyA(HKEY_CLASSES_ROOT, keyname);
 292     }
 293     pProxyFileList++;
 294   }
 295
 296   /* unregister clsid */
 297   snprintf(keyname, sizeof(keyname), "CLSID\\{%s}", clsid);
 298   len = GetModuleFileNameA(hDll, module, sizeof(module));
 299   if (len && len < sizeof(module)) {
 300     TRACE("unregistering CLSID %s <= %s\n", clsid, module);
 301     RegDeleteKeyA(HKEY_CLASSES_ROOT, keyname);
 302   }
 303
 304   /* done */
 305   RpcStringFreeA((unsigned char**)&clsid);
 306   return S_OK;
 307 }