dll/shellext/netshell/connectmanager.cpp

   1 /*
   2  * PROJECT:     ReactOS Shell
   3  * LICENSE:     LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
   4  * PURPOSE:     CNetConnectionManager class
   5  * COPYRIGHT:   Copyright 2008 Johannes Anderwald (johannes.anderwald@reactos.org)
   6  */
   7
   8 #include "precomp.h"
   9
  10 VOID NormalizeOperStatus(MIB_IFROW *IfEntry, NETCON_PROPERTIES * Props);
  11
  12 /***************************************************************
  13  * INetConnection Interface
  14  */
  15
  16 HRESULT
  17 WINAPI
  18 CNetConnection::Initialize(PINetConnectionItem pItem)
  19 {
  20     m_Props = pItem->Props;
  21     m_dwAdapterIndex = pItem->dwAdapterIndex;
  22
  23     if (pItem->Props.pszwName)
  24     {
  25         m_Props.pszwName = static_cast<PWSTR>(CoTaskMemAlloc((wcslen(pItem->Props.pszwName)+1)*sizeof(WCHAR)));
  26         if (m_Props.pszwName)
  27             wcscpy(m_Props.pszwName, pItem->Props.pszwName);
  28     }
  29
  30     if (pItem->Props.pszwDeviceName)
  31     {
  32         m_Props.pszwDeviceName = static_cast<PWSTR>(CoTaskMemAlloc((wcslen(pItem->Props.pszwDeviceName)+1)*sizeof(WCHAR)));
  33         if (m_Props.pszwDeviceName)
  34             wcscpy(m_Props.pszwDeviceName, pItem->Props.pszwDeviceName);
  35     }
  36
  37     return S_OK;
  38 }
  39
  40 CNetConnection::~CNetConnection()
  41 {
  42     CoTaskMemFree(m_Props.pszwName);
  43     CoTaskMemFree(m_Props.pszwDeviceName);
  44 }
  45
  46 HRESULT
  47 WINAPI
  48 CNetConnection::Connect()
  49 {
  50     return E_NOTIMPL;
  51 }
  52
  53 BOOL
  54 FindNetworkAdapter(HDEVINFO hInfo, SP_DEVINFO_DATA *pDevInfo, LPWSTR pGuid)
  55 {
  56     DWORD dwIndex, dwSize;
  57     HKEY hSubKey;
  58     WCHAR szNetCfg[50];
  59     WCHAR szDetail[200] = L"SYSTEM\\CurrentControlSet\\Control\\Class\\";
  60
  61     dwIndex = 0;
  62     do
  63     {
  64         ZeroMemory(pDevInfo, sizeof(SP_DEVINFO_DATA));
  65         pDevInfo->cbSize = sizeof(SP_DEVINFO_DATA);
  66
  67         /* get device info */
  68         if (!SetupDiEnumDeviceInfo(hInfo, dwIndex++, pDevInfo))
  69             break;
  70
  71         /* get device software registry path */
  72         if (!SetupDiGetDeviceRegistryPropertyW(hInfo, pDevInfo, SPDRP_DRIVER, NULL, (LPBYTE)&szDetail[39], sizeof(szDetail)/sizeof(WCHAR) - 40, &dwSize))
  73             break;
  74
  75         /* open device registry key */
  76         if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szDetail, 0, KEY_READ, &hSubKey) != ERROR_SUCCESS)
  77             break;
  78
  79         /* query NetCfgInstanceId for current device */
  80         dwSize = sizeof(szNetCfg);
  81         if (RegQueryValueExW(hSubKey, L"NetCfgInstanceId", NULL, NULL, (LPBYTE)szNetCfg, &dwSize) != ERROR_SUCCESS)
  82         {
  83             RegCloseKey(hSubKey);
  84             break;
  85         }
  86         RegCloseKey(hSubKey);
  87         if (!_wcsicmp(pGuid, szNetCfg))
  88         {
  89             return TRUE;
  90         }
  91     } while (TRUE);
  92
  93     return FALSE;
  94 }
  95
  96 HRESULT
  97 WINAPI
  98 CNetConnection::Disconnect()
  99 {
 100     HKEY hKey;
 101     NETCON_PROPERTIES * pProperties;
 102     LPOLESTR pDisplayName;
 103     WCHAR szPath[200];
 104     DWORD dwSize, dwType;
 105     LPWSTR pPnp;
 106     HDEVINFO hInfo;
 107     SP_DEVINFO_DATA DevInfo;
 108     SP_PROPCHANGE_PARAMS PropChangeParams;
 109     HRESULT hr;
 110
 111     hr = GetProperties(&pProperties);
 112     if (FAILED_UNEXPECTEDLY(hr))
 113         return hr;
 114
 115     hInfo = SetupDiGetClassDevsW(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT );
 116     if (!hInfo)
 117     {
 118         NcFreeNetconProperties(pProperties);
 119         return E_FAIL;
 120     }
 121
 122     if (FAILED(StringFromCLSID((CLSID)pProperties->guidId, &pDisplayName)))
 123     {
 124         NcFreeNetconProperties(pProperties);
 125         SetupDiDestroyDeviceInfoList(hInfo);
 126         return E_FAIL;
 127     }
 128     NcFreeNetconProperties(pProperties);
 129
 130     if (FindNetworkAdapter(hInfo, &DevInfo, pDisplayName))
 131     {
 132         PropChangeParams.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
 133         PropChangeParams.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE; //;
 134         PropChangeParams.StateChange = DICS_DISABLE;
 135         PropChangeParams.Scope = DICS_FLAG_CONFIGSPECIFIC;
 136         PropChangeParams.HwProfile = 0;
 137
 138         if (SetupDiSetClassInstallParams(hInfo, &DevInfo, &PropChangeParams.ClassInstallHeader, sizeof(SP_PROPCHANGE_PARAMS)))
 139         {
 140             SetupDiCallClassInstaller(DIF_PROPERTYCHANGE, hInfo, &DevInfo);
 141         }
 142     }
 143     SetupDiDestroyDeviceInfoList(hInfo);
 144
 145     swprintf(szPath, L"SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\%s\\Connection", pDisplayName);
 146     CoTaskMemFree(pDisplayName);
 147
 148     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szPath, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
 149         return E_FAIL;
 150
 151     dwSize = 0;
 152     if (RegQueryValueExW(hKey, L"PnpInstanceID", NULL, &dwType, NULL, &dwSize) != ERROR_SUCCESS || dwType != REG_SZ)
 153     {
 154         RegCloseKey(hKey);
 155         return E_FAIL;
 156     }
 157
 158     pPnp = static_cast<PWSTR>(CoTaskMemAlloc(dwSize));
 159     if (!pPnp)
 160     {
 161         RegCloseKey(hKey);
 162         return E_FAIL;
 163     }
 164
 165     if (RegQueryValueExW(hKey, L"PnpInstanceID", NULL, &dwType, (LPBYTE)pPnp, &dwSize) != ERROR_SUCCESS)
 166     {
 167         CoTaskMemFree(pPnp);
 168         RegCloseKey(hKey);
 169         return E_FAIL;
 170     }
 171     RegCloseKey(hKey);
 172
 173     swprintf(szPath, L"System\\CurrentControlSet\\Hardware Profiles\\Current\\System\\CurrentControlSet\\Enum\\%s", pPnp);
 174     CoTaskMemFree(pPnp);
 175
 176     if (RegCreateKeyExW(HKEY_LOCAL_MACHINE, szPath, 0, NULL, 0, KEY_WRITE, NULL, &hKey, NULL) != ERROR_SUCCESS)
 177         return E_FAIL;
 178
 179     dwSize = 1; /* enable = 0, disable = 1 */
 180     RegSetValueExW(hKey, L"CSConfigFlags", 0, REG_DWORD, (LPBYTE)&dwSize, sizeof(DWORD));
 181     RegCloseKey(hKey);
 182
 183     return S_OK;
 184 }
 185
 186 HRESULT
 187 WINAPI
 188 CNetConnection::Delete()
 189 {
 190     return E_NOTIMPL;
 191 }
 192
 193 HRESULT
 194 WINAPI
 195 CNetConnection::Duplicate(
 196     LPCWSTR pszwDuplicateName,
 197     INetConnection **ppCon)
 198 {
 199     return E_NOTIMPL;
 200 }
 201
 202 HRESULT
 203 WINAPI
 204 CNetConnection::GetProperties(NETCON_PROPERTIES **ppProps)
 205 {
 206     MIB_IFROW IfEntry;
 207     HKEY hKey;
 208     LPOLESTR pStr;
 209     WCHAR szName[140];
 210     DWORD dwShowIcon, dwNotifyDisconnect, dwType, dwSize;
 211     NETCON_PROPERTIES * pProperties;
 212     HRESULT hr;
 213
 214     if (!ppProps)
 215         return E_POINTER;
 216
 217     pProperties = static_cast<NETCON_PROPERTIES*>(CoTaskMemAlloc(sizeof(NETCON_PROPERTIES)));
 218     if (!pProperties)
 219         return E_OUTOFMEMORY;
 220
 221     CopyMemory(pProperties, &m_Props, sizeof(NETCON_PROPERTIES));
 222     pProperties->pszwName = NULL;
 223
 224     if (m_Props.pszwDeviceName)
 225     {
 226         pProperties->pszwDeviceName = static_cast<LPWSTR>(CoTaskMemAlloc((wcslen(m_Props.pszwDeviceName)+1)*sizeof(WCHAR)));
 227         if (pProperties->pszwDeviceName)
 228             wcscpy(pProperties->pszwDeviceName, m_Props.pszwDeviceName);
 229     }
 230
 231     *ppProps = pProperties;
 232
 233     /* get updated adapter characteristics */
 234     ZeroMemory(&IfEntry, sizeof(IfEntry));
 235     IfEntry.dwIndex = m_dwAdapterIndex;
 236     if (GetIfEntry(&IfEntry) != NO_ERROR)
 237         return NOERROR;
 238
 239     NormalizeOperStatus(&IfEntry, pProperties);
 240
 241
 242     hr = StringFromCLSID((CLSID)m_Props.guidId, &pStr);
 243     if (SUCCEEDED(hr))
 244     {
 245         wcscpy(szName, L"SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\");
 246         wcscat(szName, pStr);
 247         wcscat(szName, L"\\Connection");
 248
 249         if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szName, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
 250         {
 251             dwSize = sizeof(dwShowIcon);
 252             if (RegQueryValueExW(hKey, L"ShowIcon", NULL, &dwType, (LPBYTE)&dwShowIcon, &dwSize) == ERROR_SUCCESS && dwType == REG_DWORD)
 253             {
 254                 if (dwShowIcon)
 255                     pProperties->dwCharacter |= NCCF_SHOW_ICON;
 256                 else
 257                     pProperties->dwCharacter &= ~NCCF_SHOW_ICON;
 258             }
 259
 260             dwSize = sizeof(dwNotifyDisconnect);
 261             if (RegQueryValueExW(hKey, L"IpCheckingEnabled", NULL, &dwType, (LPBYTE)&dwNotifyDisconnect, &dwSize) == ERROR_SUCCESS && dwType == REG_DWORD)
 262             {
 263                 if (dwNotifyDisconnect)
 264                     pProperties->dwCharacter |= NCCF_NOTIFY_DISCONNECTED;
 265                 else
 266                     pProperties->dwCharacter &= ~NCCF_NOTIFY_DISCONNECTED;
 267             }
 268
 269             dwSize = sizeof(szName);
 270             if (RegQueryValueExW(hKey, L"Name", NULL, &dwType, (LPBYTE)szName, &dwSize) == ERROR_SUCCESS)
 271             {
 272                 /* use updated name */
 273                 dwSize = wcslen(szName) + 1;
 274                 pProperties->pszwName = static_cast<PWSTR>(CoTaskMemAlloc(dwSize * sizeof(WCHAR)));
 275                 if (pProperties->pszwName)
 276                     CopyMemory(pProperties->pszwName, szName, dwSize * sizeof(WCHAR));
 277             }
 278             else
 279             {
 280                 /* use cached name */
 281                 if (m_Props.pszwName)
 282                 {
 283                     pProperties->pszwName = static_cast<PWSTR>(CoTaskMemAlloc((wcslen(m_Props.pszwName)+1)*sizeof(WCHAR)));
 284                     if (pProperties->pszwName)
 285                         wcscpy(pProperties->pszwName, m_Props.pszwName);
 286                 }
 287             }
 288             RegCloseKey(hKey);
 289         }
 290         CoTaskMemFree(pStr);
 291     }
 292
 293     return S_OK;
 294 }
 295
 296 HRESULT
 297 WINAPI
 298 CNetConnection::GetUiObjectClassId(CLSID *pclsid)
 299 {
 300     if (m_Props.MediaType == NCM_LAN)
 301     {
 302         CopyMemory(pclsid, &CLSID_LanConnectionUi, sizeof(CLSID));
 303         return S_OK;
 304     }
 305
 306     return E_NOTIMPL;
 307 }
 308
 309 HRESULT
 310 WINAPI
 311 CNetConnection::Rename(LPCWSTR pszwDuplicateName)
 312 {
 313     WCHAR szName[140];
 314     LPOLESTR pStr;
 315     DWORD dwSize;
 316     HKEY hKey;
 317     HRESULT hr;
 318
 319     if (pszwDuplicateName == NULL || wcslen(pszwDuplicateName) == 0)
 320         return S_OK;
 321
 322     if (m_Props.pszwName)
 323     {
 324         CoTaskMemFree(m_Props.pszwName);
 325         m_Props.pszwName = NULL;
 326     }
 327
 328     dwSize = (wcslen(pszwDuplicateName) + 1) * sizeof(WCHAR);
 329     m_Props.pszwName = static_cast<PWSTR>(CoTaskMemAlloc(dwSize));
 330     if (m_Props.pszwName == NULL)
 331         return E_OUTOFMEMORY;
 332
 333     wcscpy(m_Props.pszwName, pszwDuplicateName);
 334
 335     hr = StringFromCLSID((CLSID)m_Props.guidId, &pStr);
 336     if (SUCCEEDED(hr))
 337     {
 338         wcscpy(szName, L"SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\");
 339         wcscat(szName, pStr);
 340         wcscat(szName, L"\\Connection");
 341
 342         if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szName, 0, KEY_WRITE, &hKey) == ERROR_SUCCESS)
 343         {
 344             RegSetValueExW(hKey, L"Name", NULL, REG_SZ, (LPBYTE)m_Props.pszwName, dwSize);
 345             RegCloseKey(hKey);
 346         }
 347
 348         CoTaskMemFree(pStr);
 349     }
 350
 351     return hr;
 352 }
 353
 354 HRESULT WINAPI CNetConnection_CreateInstance(PINetConnectionItem pItem, REFIID riid, LPVOID * ppv)
 355 {
 356     return ShellObjectCreatorInit<CNetConnection>(pItem, riid, ppv);
 357 }
 358
 359
 360
 361 CNetConnectionManager::CNetConnectionManager() :
 362     m_pHead(NULL),
 363     m_pCurrent(NULL)
 364 {
 365 }
 366
 367 HRESULT
 368 WINAPI
 369 CNetConnectionManager::EnumConnections(
 370     NETCONMGR_ENUM_FLAGS Flags,
 371     IEnumNetConnection **ppEnum)
 372 {
 373     TRACE("EnumConnections\n");
 374
 375     if (!ppEnum)
 376         return E_POINTER;
 377
 378     if (Flags != NCME_DEFAULT)
 379         return E_FAIL;
 380
 381     *ppEnum = static_cast<IEnumNetConnection*>(this);
 382     AddRef();
 383     return S_OK;
 384 }
 385
 386 /***************************************************************
 387  * IEnumNetConnection Interface
 388  */
 389
 390 HRESULT
 391 WINAPI
 392 CNetConnectionManager::Next(
 393     ULONG celt,
 394     INetConnection **rgelt,
 395     ULONG *pceltFetched)
 396 {
 397     HRESULT hr;
 398
 399     if (!pceltFetched || !rgelt)
 400         return E_POINTER;
 401
 402     if (celt != 1)
 403         return E_FAIL;
 404
 405     if (!m_pCurrent)
 406         return S_FALSE;
 407
 408     hr = CNetConnection_CreateInstance(m_pCurrent, IID_PPV_ARG(INetConnection, rgelt));
 409     m_pCurrent = m_pCurrent->Next;
 410
 411     return hr;
 412 }
 413
 414 HRESULT
 415 WINAPI
 416 CNetConnectionManager::Skip(ULONG celt)
 417 {
 418     while (m_pCurrent && celt-- > 0)
 419         m_pCurrent = m_pCurrent->Next;
 420
 421     if (celt)
 422        return S_FALSE;
 423     else
 424        return S_OK;
 425
 426 }
 427
 428 HRESULT
 429 WINAPI
 430 CNetConnectionManager::Reset()
 431 {
 432     m_pCurrent = m_pHead;
 433     return S_OK;
 434 }
 435
 436 HRESULT
 437 WINAPI
 438 CNetConnectionManager::Clone(IEnumNetConnection **ppenum)
 439 {
 440     return E_NOTIMPL;
 441 }
 442
 443 BOOL
 444 GetAdapterIndexFromNetCfgInstanceId(PIP_ADAPTER_INFO pAdapterInfo, LPWSTR szNetCfg, PDWORD pIndex)
 445 {
 446     WCHAR szBuffer[50];
 447     IP_ADAPTER_INFO * pCurrentAdapter;
 448
 449     pCurrentAdapter = pAdapterInfo;
 450     while (pCurrentAdapter)
 451     {
 452         szBuffer[0] = L'\0';
 453         if (MultiByteToWideChar(CP_ACP, 0, pCurrentAdapter->AdapterName, -1, szBuffer, sizeof(szBuffer)/sizeof(szBuffer[0])))
 454         {
 455             szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
 456         }
 457         if (!_wcsicmp(szBuffer, szNetCfg))
 458         {
 459             *pIndex = pCurrentAdapter->Index;
 460             return TRUE;
 461         }
 462         pCurrentAdapter = pCurrentAdapter->Next;
 463     }
 464     return FALSE;
 465 }
 466
 467 VOID
 468 NormalizeOperStatus(
 469     MIB_IFROW *IfEntry,
 470     NETCON_PROPERTIES    * Props)
 471 {
 472     switch (IfEntry->dwOperStatus)
 473     {
 474         case MIB_IF_OPER_STATUS_NON_OPERATIONAL:
 475             Props->Status = NCS_HARDWARE_DISABLED;
 476             break;
 477         case MIB_IF_OPER_STATUS_UNREACHABLE:
 478             Props->Status = NCS_DISCONNECTED;
 479             break;
 480         case MIB_IF_OPER_STATUS_DISCONNECTED:
 481             Props->Status = NCS_MEDIA_DISCONNECTED;
 482             break;
 483         case MIB_IF_OPER_STATUS_CONNECTING:
 484             Props->Status = NCS_CONNECTING;
 485             break;
 486         case MIB_IF_OPER_STATUS_CONNECTED:
 487             Props->Status = NCS_CONNECTED;
 488             break;
 489         case MIB_IF_OPER_STATUS_OPERATIONAL:
 490             Props->Status = NCS_CONNECTED;
 491             break;
 492         default:
 493             break;
 494     }
 495 }
 496
 497 HRESULT
 498 CNetConnectionManager::EnumerateINetConnections()
 499 {
 500     DWORD dwSize, dwResult, dwIndex, dwAdapterIndex, dwShowIcon, dwNotifyDisconnect;
 501     MIB_IFTABLE *pIfTable;
 502     MIB_IFROW IfEntry;
 503     IP_ADAPTER_INFO * pAdapterInfo;
 504     HDEVINFO hInfo;
 505     SP_DEVINFO_DATA DevInfo;
 506     HKEY hSubKey;
 507     WCHAR szNetCfg[50];
 508     WCHAR szAdapterNetCfg[50];
 509     WCHAR szDetail[200] = L"SYSTEM\\CurrentControlSet\\Control\\Class\\";
 510     WCHAR szName[130] = L"SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\";
 511     PINetConnectionItem pCurrent = NULL;
 512
 513     /* get the IfTable */
 514     dwSize = 0;
 515     if (GetIfTable(NULL, &dwSize, TRUE) != ERROR_INSUFFICIENT_BUFFER)
 516         return E_FAIL;
 517
 518     pIfTable = static_cast<PMIB_IFTABLE>(CoTaskMemAlloc(dwSize));
 519     if (!pIfTable)
 520         return E_OUTOFMEMORY;
 521
 522     dwResult = GetIfTable(pIfTable, &dwSize, TRUE);
 523     if (dwResult != NO_ERROR)
 524     {
 525         CoTaskMemFree(pIfTable);
 526         return HRESULT_FROM_WIN32(dwResult);
 527     }
 528
 529     dwSize = 0;
 530     dwResult = GetAdaptersInfo(NULL, &dwSize);
 531     if (dwResult!= ERROR_BUFFER_OVERFLOW)
 532     {
 533         CoTaskMemFree(pIfTable);
 534         return HRESULT_FROM_WIN32(dwResult);
 535     }
 536
 537     pAdapterInfo = static_cast<PIP_ADAPTER_INFO>(CoTaskMemAlloc(dwSize));
 538     if (!pAdapterInfo)
 539     {
 540         CoTaskMemFree(pIfTable);
 541         return E_OUTOFMEMORY;
 542     }
 543
 544     dwResult = GetAdaptersInfo(pAdapterInfo, &dwSize);
 545     if (dwResult != NO_ERROR)
 546     {
 547         CoTaskMemFree(pIfTable);
 548         CoTaskMemFree(pAdapterInfo);
 549         return HRESULT_FROM_WIN32(dwResult);
 550     }
 551
 552     hInfo = SetupDiGetClassDevs(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT );
 553     if (!hInfo)
 554     {
 555         CoTaskMemFree(pIfTable);
 556         CoTaskMemFree(pAdapterInfo);
 557         return E_FAIL;
 558     }
 559
 560     dwIndex = 0;
 561     do
 562     {
 563         ZeroMemory(&DevInfo, sizeof(SP_DEVINFO_DATA));
 564         DevInfo.cbSize = sizeof(DevInfo);
 565
 566         /* get device info */
 567         if (!SetupDiEnumDeviceInfo(hInfo, dwIndex++, &DevInfo))
 568             break;
 569
 570         /* get device software registry path */
 571         if (!SetupDiGetDeviceRegistryPropertyW(hInfo, &DevInfo, SPDRP_DRIVER, NULL, (LPBYTE)&szDetail[39], sizeof(szDetail)/sizeof(WCHAR) - 40, &dwSize))
 572             break;
 573
 574         /* open device registry key */
 575         if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szDetail, 0, KEY_READ, &hSubKey) != ERROR_SUCCESS)
 576             break;
 577
 578         /* query NetCfgInstanceId for current device */
 579         dwSize = sizeof(szNetCfg);
 580         if (RegQueryValueExW(hSubKey, L"NetCfgInstanceId", NULL, NULL, (LPBYTE)szNetCfg, &dwSize) != ERROR_SUCCESS)
 581         {
 582             RegCloseKey(hSubKey);
 583             break;
 584         }
 585         RegCloseKey(hSubKey);
 586
 587         /* get the current adapter index from NetCfgInstanceId */
 588         if (!GetAdapterIndexFromNetCfgInstanceId(pAdapterInfo, szNetCfg, &dwAdapterIndex))
 589             continue;
 590
 591         /* get detailed adapter info */
 592         ZeroMemory(&IfEntry, sizeof(IfEntry));
 593         IfEntry.dwIndex = dwAdapterIndex;
 594         if (GetIfEntry(&IfEntry) != NO_ERROR)
 595             break;
 596
 597         /* allocate new INetConnectionItem */
 598         PINetConnectionItem pNew = static_cast<PINetConnectionItem>(CoTaskMemAlloc(sizeof(INetConnectionItem)));
 599         if (!pNew)
 600             break;
 601
 602         ZeroMemory(pNew, sizeof(INetConnectionItem));
 603         pNew->dwAdapterIndex = dwAdapterIndex;
 604         /* store NetCfgInstanceId */
 605         CLSIDFromString(szNetCfg, &pNew->Props.guidId);
 606         NormalizeOperStatus(&IfEntry, &pNew->Props);
 607
 608         switch (IfEntry.dwType)
 609         {
 610             case IF_TYPE_ETHERNET_CSMACD:
 611                 pNew->Props.MediaType = NCM_LAN;
 612                 break;
 613             case IF_TYPE_IEEE80211:
 614                 pNew->Props.MediaType = NCM_SHAREDACCESSHOST_RAS;
 615                 break;
 616             default:
 617                 break;
 618         }
 619         /*  open network connections details */
 620         wcscpy(&szName[80], szNetCfg);
 621         wcscpy(&szName[118], L"\\Connection");
 622
 623         if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szName, 0, KEY_READ, &hSubKey) == ERROR_SUCCESS)
 624         {
 625             /* retrieve name of connection */
 626             dwSize = sizeof(szAdapterNetCfg);
 627             if (RegQueryValueExW(hSubKey, L"Name", NULL, NULL, (LPBYTE)szAdapterNetCfg, &dwSize) == ERROR_SUCCESS)
 628             {
 629                 pNew->Props.pszwName = static_cast<PWSTR>(CoTaskMemAlloc((wcslen(szAdapterNetCfg)+1) * sizeof(WCHAR)));
 630                 if (pNew->Props.pszwName)
 631                     wcscpy(pNew->Props.pszwName, szAdapterNetCfg);
 632             }
 633             dwSize = sizeof(dwShowIcon);
 634             if (RegQueryValueExW(hSubKey, L"ShowIcon", NULL, NULL, (LPBYTE)&dwShowIcon, &dwSize) == ERROR_SUCCESS)
 635             {
 636                 if (dwShowIcon)
 637                     pNew->Props.dwCharacter |= NCCF_SHOW_ICON;
 638             }
 639             dwSize = sizeof(dwNotifyDisconnect);
 640             if (RegQueryValueExW(hSubKey, L"IpCheckingEnabled", NULL, NULL, (LPBYTE)&dwNotifyDisconnect, &dwSize) == ERROR_SUCCESS)
 641             {
 642                 if (dwNotifyDisconnect)
 643                     pNew->Props.dwCharacter |= NCCF_NOTIFY_DISCONNECTED;
 644             }
 645             RegCloseKey(hSubKey);
 646         }
 647
 648         /* Get the adapter device description */
 649         dwSize = 0;
 650         SetupDiGetDeviceRegistryPropertyW(hInfo, &DevInfo, SPDRP_DEVICEDESC, NULL, NULL, 0, &dwSize);
 651         if (dwSize != 0)
 652         {
 653             pNew->Props.pszwDeviceName = static_cast<PWSTR>(CoTaskMemAlloc(dwSize));
 654             if (pNew->Props.pszwDeviceName)
 655                 SetupDiGetDeviceRegistryPropertyW(hInfo, &DevInfo, SPDRP_DEVICEDESC, NULL, (PBYTE)pNew->Props.pszwDeviceName, dwSize, &dwSize);
 656         }
 657
 658         if (pCurrent)
 659             pCurrent->Next = pNew;
 660         else
 661             m_pHead = pNew;
 662
 663         pCurrent = pNew;
 664     } while (TRUE);
 665
 666     CoTaskMemFree(pIfTable);
 667     CoTaskMemFree(pAdapterInfo);
 668     SetupDiDestroyDeviceInfoList(hInfo);
 669
 670     m_pCurrent = m_pHead;
 671     return (m_pHead != NULL ? S_OK : S_FALSE);
 672 }
 673
 674 HRESULT CNetConnectionManager::Initialize()
 675 {
 676     HRESULT hr = EnumerateINetConnections();
 677     if (FAILED_UNEXPECTEDLY(hr))
 678     {
 679         /* If something went wrong during the enumeration print an error don't enumerate anything */
 680         m_pCurrent = m_pHead = NULL;
 681         return S_FALSE;
 682     }
 683     return S_OK;
 684 }
 685
 686 HRESULT WINAPI CNetConnectionManager_CreateInstance(REFIID riid, LPVOID * ppv)
 687 {
 688 #if USE_CUSTOM_CONMGR
 689     return ShellObjectCreatorInit<CNetConnectionManager>(riid, ppv);
 690 #else
 691     return CoCreateInstance(CLSID_ConnectionManager, NULL, CLSCTX_ALL, riid, ppv);
 692 #endif
 693 }