537 lines
15 KiB
C++
537 lines
15 KiB
C++
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//
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// Protocol.cpp
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//
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// Install, uninstall, and related code for protocols such as TCP/IP.
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//
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// History:
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//
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// 2/02/1999 KenSh Created for JetNet
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// 9/29/1999 KenSh Repurposed for Home Networking Wizard
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//
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#include "stdafx.h"
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#include "NetConn.h"
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#include "nconnwrap.h"
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#include "ParseInf.h"
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#include "TheApp.h"
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#include "HookUI.h"
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#include "NetCli.h"
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// Local functions
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//
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VOID RemoveOrphanedProtocol(LPCSTR pszProtocolID);
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HRESULT CreateNewProtocolBinding(LPCSTR pszProtocolDeviceID, LPSTR pszBuf, int cchBuf, LPCSTR pszClientBinding, LPCSTR pszServiceBinding);
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// IsProtocolInstalled
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//
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// Returns TRUE if one or more instances of the given protocol
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// (e.g. "MSTCP") is bound to a network adapter.
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//
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BOOL WINAPI IsProtocolInstalled(LPCTSTR pszProtocolDeviceID, BOOL bExhaustive)
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{
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if (!IsProtocolBoundToAnyAdapter(pszProtocolDeviceID))
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return FALSE;
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if (bExhaustive)
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{
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TCHAR szInfSection[50];
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wsprintf(szInfSection, "%s.Install", pszProtocolDeviceID);
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if (!CheckInfSectionInstallation("nettrans.inf", szInfSection))
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return FALSE;
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}
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return TRUE;
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}
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// InstallProtocol (public)
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//
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// Installs the given protocol via NETDI, and binds it to all adapters.
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// The standard progress UI is (mostly) suppressed, and instead the given
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// callback function is called so a custom progress UI can be implemented.
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//
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// Returns a NETCONN_xxx result, defined in NetConn.h
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//
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// Parameters:
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//
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// hwndParent parent window helpful to use in NETDI call
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// pfnProgress function to call with install progress reports
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// pvProgressParam user-supplied parameter to pass to pfnProgress
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//
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// History:
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//
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// 2/23/1999 KenSh Created
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// 3/26/1999 KenSh Check if already installed before reinstalling
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//
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HRESULT WINAPI InstallProtocol(LPCSTR pszProtocolID, HWND hwndParent, PROGRESS_CALLBACK pfnProgress, LPVOID pvProgressParam)
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{
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HRESULT hr = NETCONN_SUCCESS;
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if (!IsProtocolBoundToAnyAdapter(pszProtocolID))
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{
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RemoveOrphanedProtocol(pszProtocolID);
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BeginSuppressNetdiUI(hwndParent, pfnProgress, pvProgressParam);
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DWORD dwResult = CallClassInstaller16(hwndParent, SZ_CLASS_PROTOCOL, pszProtocolID);
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EndSuppressNetdiUI();
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if (g_bUserAbort)
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{
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hr = NETCONN_USER_ABORT;
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}
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else if (SUCCEEDED(HresultFromCCI(dwResult)))
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{
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hr = NETCONN_NEED_RESTART;
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}
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// Total hack to work around JetNet bug 1193
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// DoDummyDialog(hwndParent);
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}
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if (SUCCEEDED(hr))
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{
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// Ensure the protocol is bound exactly once to every NIC
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HRESULT hr2 = BindProtocolToAllAdapters(pszProtocolID);
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if (hr2 != NETCONN_SUCCESS)
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hr = hr2;
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}
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return hr;
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}
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// InstallTCPIP (public)
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//
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// Installs TCP/IP via NETDI. See InstallProtocol for details.
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//
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HRESULT WINAPI InstallTCPIP(HWND hwndParent, PROGRESS_CALLBACK pfnProgress, LPVOID pvProgressParam)
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{
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return InstallProtocol(SZ_PROTOCOL_TCPIP, hwndParent, pfnProgress, pvProgressParam);
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}
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HRESULT WINAPI RemoveProtocol(LPCSTR pszProtocol)
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{
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HRESULT hr = NETCONN_SUCCESS;
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// Remove all pointers to the protocol from net adapters
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NETADAPTER* prgAdapters;
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int cAdapters = EnumNetAdapters(&prgAdapters);
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for (int iAdapter = 0; iAdapter < cAdapters; iAdapter++)
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{
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NETADAPTER* pAdapter = &prgAdapters[iAdapter];
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LPTSTR* prgBindings;
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int cBindings = EnumMatchingNetBindings(pAdapter->szEnumKey, pszProtocol, &prgBindings);
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if (cBindings > 0)
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{
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CRegistry regBindings;
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if (regBindings.OpenKey(HKEY_LOCAL_MACHINE, pAdapter->szEnumKey) &&
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regBindings.OpenSubKey("Bindings"))
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{
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for (int iBinding = 0; iBinding < cBindings; iBinding++)
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{
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regBindings.DeleteValue(prgBindings[iBinding]);
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hr = NETCONN_NEED_RESTART;
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}
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}
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}
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NetConnFree(prgBindings);
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}
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NetConnFree(prgAdapters);
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// Remove the protocol's enum key
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CRegistry reg;
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if (reg.OpenKey(HKEY_LOCAL_MACHINE, "Enum\\Network"))
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{
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RegDeleteKeyAndSubKeys(reg.m_hKey, pszProtocol);
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}
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// Remove the protocol's class key(s)
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DeleteClassKeyReferences(SZ_CLASS_PROTOCOL, pszProtocol);
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return hr;
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}
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// IsProtocolBoundToAnyAdapter (public)
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//
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// Given a protocol ID, such as "MSTCP", returns TRUE if the protocol
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// is bound to any adapter, or FALSE if not.
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//
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// History:
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//
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// 3/26/1999 KenSh Created
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//
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BOOL WINAPI IsProtocolBoundToAnyAdapter(LPCSTR pszProtocolID)
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{
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BOOL bResult = FALSE;
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NETADAPTER* prgAdapters;
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int cAdapters = EnumNetAdapters(&prgAdapters);
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for (int i = 0; i < cAdapters; i++)
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{
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if (IsProtocolBoundToAdapter(pszProtocolID, &prgAdapters[i]))
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{
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bResult = TRUE;
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goto done;
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}
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}
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done:
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NetConnFree(prgAdapters);
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return bResult;
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}
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// Given a protocol ID, such as "MSTCP", and an adapter struct, determines
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// whether the protocol is bound to the adapter.
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BOOL WINAPI IsProtocolBoundToAdapter(LPCSTR pszProtocolID, const NETADAPTER* pAdapter)
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{
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LPSTR* prgBindings;
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int cBindings = EnumMatchingNetBindings(pAdapter->szEnumKey, pszProtocolID, &prgBindings);
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NetConnFree(prgBindings);
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return (BOOL)cBindings;
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}
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// Checks to see whether any instances of this protocol in the Class branch of
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// the registry are unreferenced, and deletes them if so.
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// pszProtocolID is the generic device ID of the protocol, e.g. "MSTCP"
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VOID RemoveOrphanedProtocol(LPCSTR pszProtocolID)
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{
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// REVIEW: Should we first delete references in Enum that are not in use?
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CRegistry reg;
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if (reg.OpenKey(HKEY_LOCAL_MACHINE, "System\\CurrentControlSet\\Services\\Class\\NetTrans", KEY_ALL_ACCESS))
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{
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//
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// Enumerate the various protocols, e.g. "NetTrans\0000"
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//
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for (DWORD iKey = 0; ; iKey++)
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{
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CHAR szSubKey[MAX_PATH];
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DWORD cbSubKey = _countof(szSubKey);
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if (ERROR_SUCCESS != RegEnumKeyEx(reg.m_hKey, iKey, szSubKey, &cbSubKey, NULL, NULL, NULL, NULL))
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break;
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//
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// Open the "Ndi" subkey so we can see what kind of protocol this is
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//
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lstrcpy(szSubKey + cbSubKey, "\\Ndi");
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CRegistry regNode;
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if (regNode.OpenKey(reg.m_hKey, szSubKey, KEY_ALL_ACCESS))
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{
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CHAR szDeviceID[40];
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if (regNode.QueryStringValue("DeviceID", szDeviceID, _countof(szDeviceID)))
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{
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regNode.CloseKey(); // close the key before we try to delete it
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if (0 == lstrcmpi(szDeviceID, pszProtocolID))
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{
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//
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// Found the right protocol, now check if it's referenced
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//
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if (!IsNetClassKeyReferenced(szSubKey))
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{
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// Not referenced, so delete it
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szSubKey[cbSubKey] = '\0'; // back up to just "NetTrans"
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RegDeleteKeyAndSubKeys(reg.m_hKey, szSubKey);
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}
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}
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}
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}
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}
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}
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}
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// BindProtocolToAdapter
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//
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// pszProtocolEnumKey is the top-level Enum key for the protocol, e.g. "MSTCP"
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//
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// pszAdapterEnumKey is the first part of the top-level Enum key for the adapter,
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// e.g. "PCI\\VEN_10B7&DEV_9050" or "Root\\Net\\0000" (dial-up adapter)
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//
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// bEnableSharing determines whether file and printer sharing will be bound
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// to the protocol when running through the given adapter.
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//
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// History:
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//
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// 3/26/1999 KenSh Created
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// 4/09/1999 KenSh Added bEnableSharing flag
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//
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HRESULT BindProtocolToAdapter(HKEY hkeyAdapterBindings, LPCSTR pszProtocolDeviceID, BOOL bEnableSharing)
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{
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HRESULT hr;
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// NetTrans seems to always clone the Enum key, and also clone the Class key.
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// (the new clone of the Enum key points to the new clone of the Class key;
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// each new Enum's MasterCopy points to itself)
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// NetService and NetClient seem to clone the Enum key, but not the Class key.
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CHAR szClient[MAX_PATH];
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CHAR szService1[MAX_PATH];
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CHAR szService2[MAX_PATH];
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CHAR szProtocol[MAX_PATH];
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if (bEnableSharing)
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{
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if (FAILED(hr = CreateNewFilePrintSharing(szService1, _countof(szService1))))
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return hr;
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if (FAILED(hr = CreateNewFilePrintSharing(szService2, _countof(szService2))))
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return hr;
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}
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else
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{
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szService1[0] = '\0';
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szService2[0] = '\0';
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}
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if (FAILED(hr = CreateNewClientForMSNet(szClient, _countof(szClient), szService1)))
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return hr;
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if (FAILED(hr = CreateNewProtocolBinding(pszProtocolDeviceID, szProtocol, _countof(szProtocol), szClient, szService2)))
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return hr;
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// Bind the new protocol to the adapter
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if (ERROR_SUCCESS != RegSetValueEx(hkeyAdapterBindings, szProtocol, 0, REG_SZ, (CONST BYTE*)"", 1))
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return NETCONN_UNKNOWN_ERROR;
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return NETCONN_NEED_RESTART;
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}
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HRESULT BindProtocolToAllAdapters_Helper(LPCSTR pszProtocolDeviceID, LPCSTR pszAdapterKey, BOOL bIgnoreVirtualNics)
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{
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HRESULT hr = NETCONN_SUCCESS;
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// Get LowerRange interfaces for protocol
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CHAR szProtocolLower[100];
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GetDeviceLowerRange(SZ_CLASS_PROTOCOL, pszProtocolDeviceID, szProtocolLower, _countof(szProtocolLower));
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// For each adapter, ensure the protocol is bound exactly once
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//
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NETADAPTER* prgAdapters;
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int cAdapters = EnumNetAdapters(&prgAdapters);
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// Pass 0: add new bindings
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// Pass 1: delete inappropriate bindings
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for (int iPass = 0; iPass <= 1; iPass++)
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{
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for (int iAdapter = 0; iAdapter < cAdapters; iAdapter++)
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{
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NETADAPTER* pAdapter = &prgAdapters[iAdapter];
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CRegistry regAdapter;
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// Get UpperRange interfaces for adapter
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CHAR szAdapterUpper[100];
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GetDeviceUpperRange(SZ_CLASS_ADAPTER, pAdapter->szDeviceID, szAdapterUpper, _countof(szAdapterUpper));
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// Check for a match between the protocol and the adapter
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BOOL bMatchingInterface = CheckMatchingInterface(szProtocolLower, szAdapterUpper);
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CHAR szRegKey[MAX_PATH];
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wsprintf(szRegKey, "%s\\Bindings", pAdapter->szEnumKey);
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BOOL bCorrectNic = (NULL == pszAdapterKey) || (0 == lstrcmpi(pAdapter->szEnumKey, pszAdapterKey));
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if (!lstrcmpi(pszProtocolDeviceID, SZ_PROTOCOL_IPXSPX))
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{
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// Bind IPX/SPX to all non-broadband NICs by default (usually a max of 1)
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if (pszAdapterKey == NULL)
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{
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if (IsAdapterBroadband(pAdapter))
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bCorrectNic = FALSE;
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}
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// Don't bind IPX/SPX to Dial-Up (or other virtual) adapters (bugs 1163, 1164)
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if (pAdapter->bNicType == NIC_VIRTUAL)
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bCorrectNic = FALSE;
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}
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//
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// Check the bindings of the current adapter, looking for this protocol
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//
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if (regAdapter.OpenKey(HKEY_LOCAL_MACHINE, szRegKey, KEY_ALL_ACCESS))
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{
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TCHAR szValueName[60];
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int cFound = 0;
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DWORD iValue = 0;
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for (;;)
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{
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DWORD cbValueName = _countof(szValueName);
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if (ERROR_SUCCESS != RegEnumValue(regAdapter.m_hKey, iValue, szValueName, &cbValueName, NULL, NULL, NULL, NULL))
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break;
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LPSTR pchSlash = strchr(szValueName, '\\');
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if (pchSlash == NULL)
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break;
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*pchSlash = '\0';
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if (0 == lstrcmpi(szValueName, pszProtocolDeviceID))
|
||
|
|
{
|
||
|
|
*pchSlash = '\\';
|
||
|
|
|
||
|
|
// If this isn't the right NIC, or if there's not a matching
|
||
|
|
// interface, or (optionally) if the NIC is virtual, then
|
||
|
|
// unbind the protocol.
|
||
|
|
BOOL bUnbindFromNic = !bCorrectNic || !bMatchingInterface;
|
||
|
|
if (bIgnoreVirtualNics && (pAdapter->bNicType == NIC_VIRTUAL))
|
||
|
|
bUnbindFromNic = FALSE;
|
||
|
|
|
||
|
|
if (bUnbindFromNic || // bound to the wrong adapter!
|
||
|
|
cFound != 0) // bound more than once to this NIC!
|
||
|
|
{
|
||
|
|
if (iPass == 1) // unbind on second pass only
|
||
|
|
{
|
||
|
|
// Remove the binding, then restart our search
|
||
|
|
// for matching protocols
|
||
|
|
RemoveBindingFromParent(regAdapter.m_hKey, szValueName);
|
||
|
|
iValue = 0;
|
||
|
|
cFound = 0;
|
||
|
|
hr = NETCONN_NEED_RESTART;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
cFound += 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
iValue += 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (bCorrectNic && iPass == 0)
|
||
|
|
{
|
||
|
|
if (cFound == 0)
|
||
|
|
// Protocol is not yet bound to the correct adapter
|
||
|
|
{
|
||
|
|
if (bMatchingInterface) // There's an interface in common
|
||
|
|
{
|
||
|
|
BOOL bExternalNic = IsAdapterBroadband(pAdapter);
|
||
|
|
|
||
|
|
// Enable file/printer sharing if:
|
||
|
|
// * Adapter is an ethernet or IRDA adapter
|
||
|
|
// * Adapter is not a broadband NIC
|
||
|
|
BOOL bEnableSharing = FALSE;
|
||
|
|
if ((pAdapter->bNetType == NETTYPE_LAN ||
|
||
|
|
pAdapter->bNetType == NETTYPE_IRDA) &&
|
||
|
|
!bExternalNic)
|
||
|
|
{
|
||
|
|
bEnableSharing = TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT hr2 = BindProtocolToAdapter(regAdapter.m_hKey, pszProtocolDeviceID, bEnableSharing);
|
||
|
|
if (hr2 != NETCONN_SUCCESS)
|
||
|
|
hr = hr2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
NetConnFree(prgAdapters);
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// BindProtocolToOnlyOneAdapter (public)
|
||
|
|
HRESULT WINAPI BindProtocolToOnlyOneAdapter(LPCSTR pszProtocolDeviceID, LPCSTR pszAdapterKey, BOOL bIgnoreVirtualNics)
|
||
|
|
{
|
||
|
|
return BindProtocolToAllAdapters_Helper(pszProtocolDeviceID, pszAdapterKey, bIgnoreVirtualNics);
|
||
|
|
}
|
||
|
|
|
||
|
|
// BindProtocolToAllAdapters (public)
|
||
|
|
//
|
||
|
|
// Given the device ID ("MSTCP") of a protocol which is already installed,
|
||
|
|
// binds that protocol to all adapters, as well as to client for Microsoft
|
||
|
|
// Networks and File and Printer sharing.
|
||
|
|
//
|
||
|
|
// History:
|
||
|
|
//
|
||
|
|
// 3/26/1999 KenSh Created
|
||
|
|
// 4/23/1999 KenSh Enable file sharing only on real NICs
|
||
|
|
//
|
||
|
|
HRESULT WINAPI BindProtocolToAllAdapters(LPCSTR pszProtocolDeviceID)
|
||
|
|
{
|
||
|
|
return BindProtocolToAllAdapters_Helper(pszProtocolDeviceID, NULL, FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Given a protocol ID such as "MSTCP", an optional client binding string
|
||
|
|
// such as "VREDIR\0000", and an optional service binding string such as
|
||
|
|
// "VSERVER\0000", creates a new protocol binding, and copies the name of
|
||
|
|
// the new binding into the buffer provided (e.g. "MSTCP\0001").
|
||
|
|
HRESULT CreateNewProtocolBinding(LPCSTR pszProtocolDeviceID, LPSTR pszBuf, int cchBuf, LPCSTR pszClientBinding, LPCSTR pszServiceBinding)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
if (FAILED(hr = FindAndCloneNetEnumKey(SZ_CLASS_PROTOCOL, pszProtocolDeviceID, pszBuf, cchBuf)))
|
||
|
|
{
|
||
|
|
ASSERT(FALSE);
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Now pszBuf contains a string of the form "MSTCP\0001"
|
||
|
|
|
||
|
|
CHAR szBindings[60];
|
||
|
|
CRegistry regBindings;
|
||
|
|
lstrcpy(szBindings, pszBuf); // "MSTCP\0001"
|
||
|
|
lstrcat(szBindings, "\\Bindings"); // "MSTCP\0001\Bindings"
|
||
|
|
|
||
|
|
if (FAILED(hr = OpenNetEnumKey(regBindings, szBindings, KEY_ALL_ACCESS)))
|
||
|
|
{
|
||
|
|
ASSERT(FALSE);
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Delete existing bindings
|
||
|
|
regBindings.DeleteAllValues();
|
||
|
|
|
||
|
|
// Add the client and server bindings
|
||
|
|
if (pszClientBinding != NULL && *pszClientBinding != '\0')
|
||
|
|
regBindings.SetStringValue(pszClientBinding, "");
|
||
|
|
if (pszServiceBinding != NULL && *pszServiceBinding != '\0')
|
||
|
|
regBindings.SetStringValue(pszServiceBinding, "");
|
||
|
|
|
||
|
|
// Change the MasterCopy to point to correct place
|
||
|
|
CHAR szMasterCopy[MAX_PATH];
|
||
|
|
wsprintf(szMasterCopy, "Enum\\Network\\%s", pszBuf);
|
||
|
|
if (regBindings.OpenKey(HKEY_LOCAL_MACHINE, szMasterCopy, KEY_ALL_ACCESS))
|
||
|
|
{
|
||
|
|
regBindings.SetStringValue("MasterCopy", szMasterCopy);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Create a clone of the driver (a.k.a. class key)
|
||
|
|
CHAR szExistingDriver[60];
|
||
|
|
CHAR szNewDriver[60];
|
||
|
|
regBindings.QueryStringValue("Driver", szExistingDriver, _countof(szExistingDriver));
|
||
|
|
CloneNetClassKey(szExistingDriver, szNewDriver, _countof(szNewDriver));
|
||
|
|
|
||
|
|
// Change the Driver to point to the new class key
|
||
|
|
CRegistry regEnumSubKey;
|
||
|
|
VERIFY(SUCCEEDED(OpenNetEnumKey(regEnumSubKey, pszBuf, KEY_ALL_ACCESS)));
|
||
|
|
regEnumSubKey.SetStringValue("Driver", szNewDriver);
|
||
|
|
|
||
|
|
// If this is a new TCP/IP binding, ensure we don't have a static IP address
|
||
|
|
if (0 == lstrcmpi(pszProtocolDeviceID, SZ_PROTOCOL_TCPIP))
|
||
|
|
{
|
||
|
|
CHAR szFullClassKey[100];
|
||
|
|
wsprintf(szFullClassKey, "System\\CurrentControlSet\\Services\\Class\\%s", szNewDriver);
|
||
|
|
|
||
|
|
CRegistry regClassKey;
|
||
|
|
VERIFY(regClassKey.OpenKey(HKEY_LOCAL_MACHINE, szFullClassKey));
|
||
|
|
if (regClassKey.QueryStringValue("IPAddress", szFullClassKey, _countof(szFullClassKey)))
|
||
|
|
regClassKey.SetStringValue("IPAddress", "0.0.0.0");
|
||
|
|
if (regClassKey.QueryStringValue("IPMask", szFullClassKey, _countof(szFullClassKey)))
|
||
|
|
regClassKey.SetStringValue("IPMask", "0.0.0.0");
|
||
|
|
}
|
||
|
|
|
||
|
|
return NETCONN_SUCCESS;
|
||
|
|
}
|
||
|
|
|