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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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->pNamesArray[Index],
  99                             ProxyInfo->pProxyVtblList[Index],
 100                             ProxyInfo->pStubVtblList[Index], iface, ppProxy, ppv);
 101 }
 102
 103 static HRESULT WINAPI CStdPSFactory_CreateStub(LPPSFACTORYBUFFER iface,
 104                                               REFIID riid,
 105                                               LPUNKNOWN pUnkServer,
 106                                               LPRPCSTUBBUFFER *ppStub)
 107 {
 108   CStdPSFactoryBuffer *This = (CStdPSFactoryBuffer *)iface;
 109   const ProxyFileInfo *ProxyInfo;
 110   int Index;
 111   TRACE("(%p)->CreateStub(%s,%p,%p)\n",iface,debugstr_guid(riid),
 112        pUnkServer,ppStub);
 113   if (!FindProxyInfo(This->pProxyFileList,riid,&ProxyInfo,&Index))
 114     return E_NOINTERFACE;
 115   return CStdStubBuffer_Construct(riid, pUnkServer, ProxyInfo->pNamesArray[Index],
 116                                   ProxyInfo->pStubVtblList[Index], iface, ppStub);
 117 }
 118
 119 static const IPSFactoryBufferVtbl CStdPSFactory_Vtbl =
 120 {
 121   CStdPSFactory_QueryInterface,
 122   CStdPSFactory_AddRef,
 123   CStdPSFactory_Release,
 124   CStdPSFactory_CreateProxy,
 125   CStdPSFactory_CreateStub
 126 };
 127
 128 /***********************************************************************
 129  *           NdrDllGetClassObject [RPCRT4.@]
 130  */
 131 HRESULT WINAPI NdrDllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv,
 132                                    const ProxyFileInfo **pProxyFileList,
 133                                    const CLSID *pclsid,
 134                                    CStdPSFactoryBuffer *pPSFactoryBuffer)
 135 {
 136   TRACE("(%s, %s, %p, %p, %s, %p)\n", debugstr_guid(rclsid),
 137     debugstr_guid(iid), ppv, pProxyFileList, debugstr_guid(pclsid),
 138     pPSFactoryBuffer);
 139
 140   *ppv = NULL;
 141   if (!pPSFactoryBuffer->lpVtbl) {
 142     pPSFactoryBuffer->lpVtbl = &CStdPSFactory_Vtbl;
 143     pPSFactoryBuffer->RefCount = 0;
 144     pPSFactoryBuffer->pProxyFileList = pProxyFileList;
 145   }
 146   if (IsEqualGUID(rclsid, pclsid))
 147     return IPSFactoryBuffer_QueryInterface((LPPSFACTORYBUFFER)pPSFactoryBuffer, iid, ppv);
 148   else {
 149     const ProxyFileInfo *info;
 150     int index;
 151     /* otherwise, the dll may be using the iid as the clsid, so
 152      * search for it in the proxy file list */
 153     if (FindProxyInfo(pProxyFileList, rclsid, &info, &index))
 154       return IPSFactoryBuffer_QueryInterface((LPPSFACTORYBUFFER)pPSFactoryBuffer, iid, ppv);
 155
 156     WARN("class %s not available\n", debugstr_guid(rclsid));
 157     return CLASS_E_CLASSNOTAVAILABLE;
 158   }
 159 }
 160
 161 /***********************************************************************
 162  *           NdrDllCanUnloadNow [RPCRT4.@]
 163  */
 164 HRESULT WINAPI NdrDllCanUnloadNow(CStdPSFactoryBuffer *pPSFactoryBuffer)
 165 {
 166   return !(pPSFactoryBuffer->RefCount);
 167 }
 168
 169 /***********************************************************************
 170  *           NdrDllRegisterProxy [RPCRT4.@]
 171  */
 172 HRESULT WINAPI NdrDllRegisterProxy(HMODULE hDll,
 173                                   const ProxyFileInfo **pProxyFileList,
 174                                   const CLSID *pclsid)
 175 {
 176   LPSTR clsid;
 177   char keyname[120], module[MAX_PATH];
 178   HKEY key, subkey;
 179   DWORD len;
 180
 181   TRACE("(%p,%p,%s)\n", hDll, pProxyFileList, debugstr_guid(pclsid));
 182   UuidToStringA((UUID*)pclsid, (unsigned char**)&clsid);
 183
 184   /* register interfaces to point to clsid */
 185   while (*pProxyFileList) {
 186     unsigned u;
 187     for (u=0; u<(*pProxyFileList)->TableSize; u++) {
 188       CInterfaceStubVtbl *proxy = (*pProxyFileList)->pStubVtblList[u];
 189       PCInterfaceName name = (*pProxyFileList)->pNamesArray[u];
 190       LPSTR iid;
 191
 192       TRACE("registering %s %s => %s\n", name, debugstr_guid(proxy->header.piid), clsid);
 193
 194       UuidToStringA((UUID*)proxy->header.piid, (unsigned char**)&iid);
 195       snprintf(keyname, sizeof(keyname), "Interface\\{%s}", iid);
 196       RpcStringFreeA((unsigned char**)&iid);
 197       if (RegCreateKeyExA(HKEY_CLASSES_ROOT, keyname, 0, NULL, 0,
 198                           KEY_WRITE, NULL, &key, NULL) == ERROR_SUCCESS) {
 199         if (name)
 200           RegSetValueExA(key, NULL, 0, REG_SZ, (LPBYTE)name, strlen(name));
 201         if (RegCreateKeyExA(key, "ProxyStubClsid32", 0, NULL, 0,
 202                             KEY_WRITE, NULL, &subkey, NULL) == ERROR_SUCCESS) {
 203           snprintf(module, sizeof(module), "{%s}", clsid);
 204           RegSetValueExA(subkey, NULL, 0, REG_SZ, (LPBYTE)module, strlen(module));
 205           RegCloseKey(subkey);
 206         }
 207         RegCloseKey(key);
 208       }
 209     }
 210     pProxyFileList++;
 211   }
 212
 213   /* register clsid to point to module */
 214   snprintf(keyname, sizeof(keyname), "CLSID\\{%s}", clsid);
 215   len = GetModuleFileNameA(hDll, module, sizeof(module));
 216   if (len && len < sizeof(module)) {
 217     TRACE("registering CLSID %s => %s\n", clsid, module);
 218     if (RegCreateKeyExA(HKEY_CLASSES_ROOT, keyname, 0, NULL, 0,
 219                         KEY_WRITE, NULL, &key, NULL) == ERROR_SUCCESS) {
 220       if (RegCreateKeyExA(key, "InProcServer32", 0, NULL, 0,
 221                           KEY_WRITE, NULL, &subkey, NULL) == ERROR_SUCCESS) {
 222         RegSetValueExA(subkey, NULL, 0, REG_SZ, (LPBYTE)module, strlen(module));
 223         RegCloseKey(subkey);
 224       }
 225       RegCloseKey(key);
 226     }
 227   }
 228
 229   /* done */
 230   RpcStringFreeA((unsigned char**)&clsid);
 231   return S_OK;
 232 }
 233
 234 /***********************************************************************
 235  *           NdrDllUnregisterProxy [RPCRT4.@]
 236  */
 237 HRESULT WINAPI NdrDllUnregisterProxy(HMODULE hDll,
 238                                     const ProxyFileInfo **pProxyFileList,
 239                                     const CLSID *pclsid)
 240 {
 241   LPSTR clsid;
 242   char keyname[120], module[MAX_PATH];
 243   DWORD len;
 244
 245   TRACE("(%p,%p,%s)\n", hDll, pProxyFileList, debugstr_guid(pclsid));
 246   UuidToStringA((UUID*)pclsid, (unsigned char**)&clsid);
 247
 248   /* unregister interfaces */
 249   while (*pProxyFileList) {
 250     unsigned u;
 251     for (u=0; u<(*pProxyFileList)->TableSize; u++) {
 252       CInterfaceStubVtbl *proxy = (*pProxyFileList)->pStubVtblList[u];
 253       PCInterfaceName name = (*pProxyFileList)->pNamesArray[u];
 254       LPSTR iid;
 255
 256       TRACE("unregistering %s %s <= %s\n", name, debugstr_guid(proxy->header.piid), clsid);
 257
 258       UuidToStringA((UUID*)proxy->header.piid, (unsigned char**)&iid);
 259       snprintf(keyname, sizeof(keyname), "Interface\\{%s}", iid);
 260       RpcStringFreeA((unsigned char**)&iid);
 261       RegDeleteKeyA(HKEY_CLASSES_ROOT, keyname);
 262     }
 263     pProxyFileList++;
 264   }
 265
 266   /* unregister clsid */
 267   snprintf(keyname, sizeof(keyname), "CLSID\\{%s}", clsid);
 268   len = GetModuleFileNameA(hDll, module, sizeof(module));
 269   if (len && len < sizeof(module)) {
 270     TRACE("unregistering CLSID %s <= %s\n", clsid, module);
 271     RegDeleteKeyA(HKEY_CLASSES_ROOT, keyname);
 272   }
 273
 274   /* done */
 275   RpcStringFreeA((unsigned char**)&clsid);
 276   return S_OK;
 277 }