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   return CStdStubBuffer_Construct(riid, pUnkServer, ProxyInfo->pNamesArray[Index],
 114                                   ProxyInfo->pStubVtblList[Index], iface, ppStub);
 115 }
 116
 117 static const IPSFactoryBufferVtbl CStdPSFactory_Vtbl =
 118 {
 119   CStdPSFactory_QueryInterface,
 120   CStdPSFactory_AddRef,
 121   CStdPSFactory_Release,
 122   CStdPSFactory_CreateProxy,
 123   CStdPSFactory_CreateStub
 124 };
 125
 126 /***********************************************************************
 127  *           NdrDllGetClassObject [RPCRT4.@]
 128  */
 129 HRESULT WINAPI NdrDllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv,
 130                                    const ProxyFileInfo **pProxyFileList,
 131                                    const CLSID *pclsid,
 132                                    CStdPSFactoryBuffer *pPSFactoryBuffer)
 133 {
 134   TRACE("(%s, %s, %p, %p, %s, %p)\n", debugstr_guid(rclsid),
 135     debugstr_guid(iid), ppv, pProxyFileList, debugstr_guid(pclsid),
 136     pPSFactoryBuffer);
 137
 138   *ppv = NULL;
 139   if (!pPSFactoryBuffer->lpVtbl) {
 140     const ProxyFileInfo **pProxyFileList2;
 141     pPSFactoryBuffer->lpVtbl = &CStdPSFactory_Vtbl;
 142     pPSFactoryBuffer->RefCount = 0;
 143     pPSFactoryBuffer->pProxyFileList = pProxyFileList;
 144     for (pProxyFileList2 = pProxyFileList; *pProxyFileList2; pProxyFileList2++) {
 145       int i;
 146       for (i = 0; i < (*pProxyFileList2)->TableSize; i++) {
 147         /* FIXME: i think that different vtables should be copied for
 148          * async interfaces */
 149         void * const *pSrcRpcStubVtbl = (void * const *)&CStdStubBuffer_Vtbl;
 150         void **pRpcStubVtbl = (void **)&(*pProxyFileList2)->pStubVtblList[i]->Vtbl;
 151         int j;
 152
 153         for (j = 0; j < sizeof(IRpcStubBufferVtbl)/sizeof(void *); j++)
 154           if (!pRpcStubVtbl[j])
 155             pRpcStubVtbl[j] = pSrcRpcStubVtbl[j];
 156       }
 157     }
 158   }
 159   if (IsEqualGUID(rclsid, pclsid))
 160     return IPSFactoryBuffer_QueryInterface((LPPSFACTORYBUFFER)pPSFactoryBuffer, iid, ppv);
 161   else {
 162     const ProxyFileInfo *info;
 163     int index;
 164     /* otherwise, the dll may be using the iid as the clsid, so
 165      * search for it in the proxy file list */
 166     if (FindProxyInfo(pProxyFileList, rclsid, &info, &index))
 167       return IPSFactoryBuffer_QueryInterface((LPPSFACTORYBUFFER)pPSFactoryBuffer, iid, ppv);
 168
 169     WARN("class %s not available\n", debugstr_guid(rclsid));
 170     return CLASS_E_CLASSNOTAVAILABLE;
 171   }
 172 }
 173
 174 /***********************************************************************
 175  *           NdrDllCanUnloadNow [RPCRT4.@]
 176  */
 177 HRESULT WINAPI NdrDllCanUnloadNow(CStdPSFactoryBuffer *pPSFactoryBuffer)
 178 {
 179   return !(pPSFactoryBuffer->RefCount);
 180 }
 181
 182 /***********************************************************************
 183  *           NdrDllRegisterProxy [RPCRT4.@]
 184  */
 185 HRESULT WINAPI NdrDllRegisterProxy(HMODULE hDll,
 186                                   const ProxyFileInfo **pProxyFileList,
 187                                   const CLSID *pclsid)
 188 {
 189   LPSTR clsid;
 190   char keyname[120], module[MAX_PATH];
 191   HKEY key, subkey;
 192   DWORD len;
 193
 194   TRACE("(%p,%p,%s)\n", hDll, pProxyFileList, debugstr_guid(pclsid));
 195   UuidToStringA((UUID*)pclsid, (unsigned char**)&clsid);
 196
 197   /* register interfaces to point to clsid */
 198   while (*pProxyFileList) {
 199     unsigned u;
 200     for (u=0; u<(*pProxyFileList)->TableSize; u++) {
 201       CInterfaceStubVtbl *proxy = (*pProxyFileList)->pStubVtblList[u];
 202       PCInterfaceName name = (*pProxyFileList)->pNamesArray[u];
 203       LPSTR iid;
 204
 205       TRACE("registering %s %s => %s\n", name, debugstr_guid(proxy->header.piid), clsid);
 206
 207       UuidToStringA((UUID*)proxy->header.piid, (unsigned char**)&iid);
 208       snprintf(keyname, sizeof(keyname), "Interface\\{%s}", iid);
 209       RpcStringFreeA((unsigned char**)&iid);
 210       if (RegCreateKeyExA(HKEY_CLASSES_ROOT, keyname, 0, NULL, 0,
 211                           KEY_WRITE, NULL, &key, NULL) == ERROR_SUCCESS) {
 212         if (name)
 213           RegSetValueExA(key, NULL, 0, REG_SZ, (LPBYTE)name, strlen(name));
 214         if (RegCreateKeyExA(key, "ProxyStubClsid32", 0, NULL, 0,
 215                             KEY_WRITE, NULL, &subkey, NULL) == ERROR_SUCCESS) {
 216           snprintf(module, sizeof(module), "{%s}", clsid);
 217           RegSetValueExA(subkey, NULL, 0, REG_SZ, (LPBYTE)module, strlen(module));
 218           RegCloseKey(subkey);
 219         }
 220         RegCloseKey(key);
 221       }
 222     }
 223     pProxyFileList++;
 224   }
 225
 226   /* register clsid to point to module */
 227   snprintf(keyname, sizeof(keyname), "CLSID\\{%s}", clsid);
 228   len = GetModuleFileNameA(hDll, module, sizeof(module));
 229   if (len && len < sizeof(module)) {
 230     TRACE("registering CLSID %s => %s\n", clsid, module);
 231     if (RegCreateKeyExA(HKEY_CLASSES_ROOT, keyname, 0, NULL, 0,
 232                         KEY_WRITE, NULL, &key, NULL) == ERROR_SUCCESS) {
 233       if (RegCreateKeyExA(key, "InProcServer32", 0, NULL, 0,
 234                           KEY_WRITE, NULL, &subkey, NULL) == ERROR_SUCCESS) {
 235         RegSetValueExA(subkey, NULL, 0, REG_SZ, (LPBYTE)module, strlen(module));
 236         RegCloseKey(subkey);
 237       }
 238       RegCloseKey(key);
 239     }
 240   }
 241
 242   /* done */
 243   RpcStringFreeA((unsigned char**)&clsid);
 244   return S_OK;
 245 }
 246
 247 /***********************************************************************
 248  *           NdrDllUnregisterProxy [RPCRT4.@]
 249  */
 250 HRESULT WINAPI NdrDllUnregisterProxy(HMODULE hDll,
 251                                     const ProxyFileInfo **pProxyFileList,
 252                                     const CLSID *pclsid)
 253 {
 254   LPSTR clsid;
 255   char keyname[120], module[MAX_PATH];
 256   DWORD len;
 257
 258   TRACE("(%p,%p,%s)\n", hDll, pProxyFileList, debugstr_guid(pclsid));
 259   UuidToStringA((UUID*)pclsid, (unsigned char**)&clsid);
 260
 261   /* unregister interfaces */
 262   while (*pProxyFileList) {
 263     unsigned u;
 264     for (u=0; u<(*pProxyFileList)->TableSize; u++) {
 265       CInterfaceStubVtbl *proxy = (*pProxyFileList)->pStubVtblList[u];
 266       PCInterfaceName name = (*pProxyFileList)->pNamesArray[u];
 267       LPSTR iid;
 268
 269       TRACE("unregistering %s %s <= %s\n", name, debugstr_guid(proxy->header.piid), clsid);
 270
 271       UuidToStringA((UUID*)proxy->header.piid, (unsigned char**)&iid);
 272       snprintf(keyname, sizeof(keyname), "Interface\\{%s}", iid);
 273       RpcStringFreeA((unsigned char**)&iid);
 274       RegDeleteKeyA(HKEY_CLASSES_ROOT, keyname);
 275     }
 276     pProxyFileList++;
 277   }
 278
 279   /* unregister clsid */
 280   snprintf(keyname, sizeof(keyname), "CLSID\\{%s}", clsid);
 281   len = GetModuleFileNameA(hDll, module, sizeof(module));
 282   if (len && len < sizeof(module)) {
 283     TRACE("unregistering CLSID %s <= %s\n", clsid, module);
 284     RegDeleteKeyA(HKEY_CLASSES_ROOT, keyname);
 285   }
 286
 287   /* done */
 288   RpcStringFreeA((unsigned char**)&clsid);
 289   return S_OK;
 290 }