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438 lines
14 KiB
438 lines
14 KiB
/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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winpenet.c
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Abstract:
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This module contains code to control the startup of the network in the WinPE environment.
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It relies upon the existence of WINBOM.INI and the following sections:
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[WinPE.net]
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Startnet = YES | NO - Specifies whether to start networking.
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Ipconfig = DHCP | x.x.x.x - Specifies DHCP or a static IP address.
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SubnetMask = x.x.x.x - SubnetMask for the static IP.
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Gateway = x.x.x.x - Default gateway for the static IP.
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Author:
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Adrian Cosma (acosma) - 1/18/2001
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Revision History:
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--*/
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//
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// Includes
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//
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#include "factoryp.h"
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#include <winsock2.h>
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//
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// Defines
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//
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typedef HRESULT (PASCAL *PRegisterServer)(VOID);
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//
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// Static strings
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//
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const static TCHAR DEF_GATEWAY_METRIC[] = _T("1\0"); // Need to NULLCHRs at the end since this goes into a REG_MULTI_SZ.
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const static TCHAR REGSTR_TCPIP[] = _T("SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces\\");
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//
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// Local function declarations
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//
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static BOOL InstallNetComponents(VOID);
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static BOOL RegisterDll(VOID);
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//
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// Function implementations
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//
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static BOOL InstallNetComponents(VOID)
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{
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TCHAR szCmdLine[MAX_PATH] = NULLSTR;
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DWORD dwExitCode = 0;
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BOOL bRet = TRUE;
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lstrcpyn(szCmdLine, _T("-winpe"), AS ( szCmdLine ) ) ;
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if ( !InvokeExternalApplicationEx(_T("netcfg"), szCmdLine, &dwExitCode, INFINITE, TRUE) )
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_NETWORKCOMP);
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bRet = FALSE;
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}
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return bRet;
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}
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static BOOL RegisterDll(VOID)
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{
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HMODULE hDll = NULL;
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BOOL bRet = FALSE;
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PRegisterServer pRegisterServer = NULL;
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if ( (hDll = LoadLibrary(_T("netcfgx.dll"))) &&
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(pRegisterServer = (PRegisterServer) GetProcAddress(hDll, "DllRegisterServer")) &&
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(S_OK == pRegisterServer()) )
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{
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FacLogFileStr(3, _T("Succesfully registered netcfg.dll.\n"));
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bRet = TRUE;
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}
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else
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_REGISTERNETCFG);
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}
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if (hDll)
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FreeLibrary(hDll);
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return bRet;
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}
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BOOL WinpeNet(LPSTATEDATA lpStateData)
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{
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LPTSTR lpszWinBOMPath = lpStateData->lpszWinBOMPath;
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SC_HANDLE hSCM = NULL;
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TCHAR szBuf[MAX_WINPE_PROFILE_STRING] = NULLSTR;
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BOOL bRet = TRUE;
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// Make sure that the user wants us to do networking.
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//
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GetPrivateProfileString(INI_KEY_WBOM_WINPE_NET, INI_KEY_WBOM_WINPE_NET_STARTNET, NULLSTR, szBuf, AS(szBuf), lpszWinBOMPath);
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// If user does not want to start networking just return success.
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//
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if ( 0 == LSTRCMPI(szBuf, WBOM_NO) )
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return TRUE;
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// Register dll.
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// Run netcfg -winpe.
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// Install network card.
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// See if the user wants to use a static IP.
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//
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if ( RegisterDll() &&
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SetupMiniNT() &&
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InstallNetComponents() &&
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ConfigureNetwork(g_szWinBOMPath)
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)
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{
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//
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// Start Services for networking.
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//
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if ( hSCM = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS) )
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{
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// DHCP also starts tcpip and netbt.
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// The workstation service should already be started by the installer.
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//
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if ( (StartMyService(_T("dhcp"), hSCM) != NO_ERROR) ||
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(StartMyService(_T("nla"), hSCM) != NO_ERROR)
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)
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_NETSERVICES);
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bRet = FALSE;
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}
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else if ( IsRemoteBoot() )
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{
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// If this was a remote boot, tell NetBT to reload the WINS addresses...
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// ISSUE-2002/09/26-acosma,brucegr - Can DHCP say its started before we get an address?
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//
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ForceNetbtRegistryRead();
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}
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CloseServiceHandle(hSCM);
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}
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else
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_SCM);
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bRet = FALSE;
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}
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}
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else
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_SETUPNETWORK);
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bRet = FALSE;
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}
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return bRet;
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}
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BOOL DisplayWinpeNet(LPSTATEDATA lpStateData)
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{
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return ( !IniSettingExists(lpStateData->lpszWinBOMPath, INI_KEY_WBOM_WINPE_NET, INI_KEY_WBOM_WINPE_NET_STARTNET, INI_VAL_WBOM_NO) );
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}
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BOOL ConfigureNetwork(LPTSTR lpszWinBOMPath)
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{
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TCHAR szBuf[MAX_WINPE_PROFILE_STRING] = NULLSTR;
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CHAR szBufA[MAX_WINPE_PROFILE_STRING] = { 0 };
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TCHAR szReg[MAX_WINPE_PROFILE_STRING] = NULLSTR;
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TCHAR szIpAddress[MAX_WINPE_PROFILE_STRING] = NULLSTR;
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TCHAR szSubnetMask[MAX_WINPE_PROFILE_STRING] = NULLSTR;
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HKEY hKey = NULL; // Reg Key to interfaces.
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HKEY hKeyI = NULL; // Reg Key to specific network interface.
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DWORD dwDis = 0;
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TCHAR szRegKey[MAX_PATH] = NULLSTR;
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DWORD dwEnableDHCP = 0;
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BOOL fErr = FALSE;
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szBuf[0] = NULLCHR;
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GetPrivateProfileString(INI_KEY_WBOM_WINPE_NET, WBOM_WINPE_NET_IPADDRESS, NULLSTR, szBuf, MAX_WINPE_PROFILE_STRING, lpszWinBOMPath);
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// Convert the string to ANSI
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//
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if ( szBuf[0] &&
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WideCharToMultiByte(CP_ACP, 0, szBuf, -1, szBufA, AS(szBufA), NULL, NULL) )
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{
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// If it's DHCP don't do anything. Just return TRUE.
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//
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if ( 0 == LSTRCMPI(szBuf, _T("DHCP")) )
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return TRUE;
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if ( INADDR_NONE == inet_addr(szBufA) )
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_INVALIDIP , szBuf);
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return FALSE;
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}
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}
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else // if there is no IpConfig entry return success (same as DHCP)
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return TRUE;
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// Save the IpAddress.
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lstrcpyn(szIpAddress, szBuf, AS ( szIpAddress ) );
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szBuf[0] = NULLCHR;
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GetPrivateProfileString(INI_KEY_WBOM_WINPE_NET, WBOM_WINPE_NET_SUBNETMASK, NULLSTR, szBuf, MAX_WINPE_PROFILE_STRING, lpszWinBOMPath);
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// Convert the string to ANSI
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//
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if ( szBuf[0] &&
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WideCharToMultiByte(CP_ACP,0, szBuf, -1, szBufA, AS(szBufA), NULL, NULL) )
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{
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if ( INADDR_NONE == inet_addr(szBufA) )
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_INVALIDMASK , szBuf);
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return FALSE;
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}
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}
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else // If we got this far we need to have a subnet mask
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_NOMASK);
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return FALSE;
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}
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// Save the SubnetMask.
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lstrcpyn(szSubnetMask, szBuf, AS ( szSubnetMask ) );
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//
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// Write the settings to the registry.
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//
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// Make sure that the strings are terminated by two NULLCHRs.
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//
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szIpAddress[lstrlen(szIpAddress) + 1] = NULLCHR;
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szSubnetMask[lstrlen(szSubnetMask) + 1] = NULLCHR;
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// Assuming that there is only one interface in the system.
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//
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if ( (RegCreateKeyEx(HKEY_LOCAL_MACHINE, REGSTR_TCPIP, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, &dwDis) == ERROR_SUCCESS) &&
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(RegEnumKey(hKey, 0, szRegKey, AS(szRegKey)) == ERROR_SUCCESS) &&
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szRegKey[0] &&
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(RegCreateKeyEx(hKey, szRegKey, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKeyI, &dwDis) == ERROR_SUCCESS) )
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{
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if ( ERROR_SUCCESS != (RegSetValueEx(hKeyI, _T("IPAddress"), 0, REG_MULTI_SZ, (CONST LPBYTE) szIpAddress, ( lstrlen(szIpAddress) + 2 ) * sizeof(TCHAR))) ||
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ERROR_SUCCESS != (RegSetValueEx(hKeyI, _T("SubnetMask"), 0, REG_MULTI_SZ, (CONST LPBYTE) szSubnetMask, ( lstrlen(szSubnetMask) + 2 ) * sizeof(TCHAR))) ||
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ERROR_SUCCESS != (RegSetValueEx(hKeyI, _T("EnableDHCP"), 0, REG_DWORD, (CONST LPBYTE) &dwEnableDHCP, sizeof(dwEnableDHCP))) )
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_IPREGISTRY);
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fErr = TRUE;
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}
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else
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{
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//
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// If the gateway is not specified we don't care. We're just not going to add this
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// if it's not there.
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//
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szBuf[0] = NULLCHR;
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GetPrivateProfileString(INI_KEY_WBOM_WINPE_NET, WBOM_WINPE_NET_GATEWAY, NULLSTR, szBuf, MAX_WINPE_PROFILE_STRING, lpszWinBOMPath);
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if ( szBuf[0] &&
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WideCharToMultiByte(CP_ACP,0, szBuf, -1, szBufA, AS(szBufA), NULL, NULL) )
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{
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if ( INADDR_NONE == inet_addr(szBufA) )
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_INVALIDGW, szBuf);
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fErr = TRUE;
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}
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else
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{
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szBuf[lstrlen(szBuf) + 1] = NULLCHR;
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if ( (RegSetValueEx(hKeyI, _T("DefaultGateway"), 0, REG_MULTI_SZ, (CONST LPBYTE) szBuf, ( lstrlen(szBuf) + 2 ) * sizeof(TCHAR)) != ERROR_SUCCESS) ||
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(RegSetValueEx(hKeyI, _T("DefaultGatewayMetric"), 0, REG_MULTI_SZ, (CONST LPBYTE) DEF_GATEWAY_METRIC, ( lstrlen(DEF_GATEWAY_METRIC) + 2 ) * sizeof(TCHAR)) != ERROR_SUCCESS) )
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_GWREGISTRY);
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fErr = TRUE;
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}
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}
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}
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}
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RegCloseKey(hKeyI);
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}
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else
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{
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FacLogFile(0 | LOG_ERR, IDS_ERR_IPREGISTRY);
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}
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// It is possible that the subkey failed to open so this takes care of a possible leak.
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//
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if (hKey)
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RegCloseKey(hKey);
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return (!fErr);
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}
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static DWORD WaitForServiceStart(SC_HANDLE schService)
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{
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SERVICE_STATUS ssStatus;
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DWORD dwOldCheckPoint;
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DWORD dwStartTickCount;
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DWORD dwWaitTime;
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DWORD dwStatus = NO_ERROR;
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if ( schService )
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{
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//
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// Service start is now pending.
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// Check the status until the service is no longer start pending.
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//
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if ( QueryServiceStatus( schService, &ssStatus) )
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{
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// Save the tick count and initial checkpoint.
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//
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dwStartTickCount = GetTickCount();
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dwOldCheckPoint = ssStatus.dwCheckPoint;
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while (ssStatus.dwCurrentState == SERVICE_START_PENDING)
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{
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// Do not wait longer than the wait hint. A good interval is
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// one tenth the wait hint, but no less than 1 second and no
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// more than 10 seconds.
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//
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dwWaitTime = ssStatus.dwWaitHint / 10;
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if( dwWaitTime < 1000 )
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dwWaitTime = 1000;
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else if ( dwWaitTime > 10000 )
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dwWaitTime = 10000;
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Sleep( dwWaitTime );
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// Check the status again.
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//
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if (!QueryServiceStatus(
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schService, // handle to service
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&ssStatus) ) // address of structure
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break;
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if ( ssStatus.dwCheckPoint > dwOldCheckPoint )
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{
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// The service is making progress.
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//
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dwStartTickCount = GetTickCount();
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dwOldCheckPoint = ssStatus.dwCheckPoint;
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}
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else
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{
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if(GetTickCount()-dwStartTickCount > ssStatus.dwWaitHint)
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{
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// No progress made within the wait hint
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//
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break;
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}
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}
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}
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if (ssStatus.dwCurrentState == SERVICE_RUNNING)
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{
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dwStatus = NO_ERROR;
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}
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else
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{
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// Set the return value to the last error.
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//
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dwStatus = GetLastError();
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}
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}
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}
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return dwStatus;
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}
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DWORD WaitForServiceStartName(LPTSTR lpszServiceName)
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{
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SC_HANDLE hSCM = NULL;
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SC_HANDLE schService = NULL;
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DWORD dwStatus = NO_ERROR;
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if ( lpszServiceName )
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{
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if ( hSCM = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS) )
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{
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if ( schService = OpenService(hSCM, lpszServiceName, SERVICE_ALL_ACCESS) )
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{
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dwStatus = WaitForServiceStart(schService);
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CloseServiceHandle(schService);
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}
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else
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{
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dwStatus = GetLastError();
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FacLogFile(0 | LOG_ERR, IDS_ERR_SERVICE, lpszServiceName);
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}
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CloseServiceHandle(hSCM);
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}
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else
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{
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dwStatus = GetLastError();
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FacLogFile(0 | LOG_ERR, IDS_ERR_SCM);
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}
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}
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else
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{
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dwStatus = E_INVALIDARG;
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}
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return dwStatus;
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}
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// Start a service.
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//
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DWORD StartMyService(LPTSTR lpszServiceName, SC_HANDLE schSCManager)
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{
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SC_HANDLE schService;
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DWORD dwStatus = NO_ERROR;
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FacLogFileStr(3, _T("Starting service: %s\n"), lpszServiceName);
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if ( NULL != (schService = OpenService(schSCManager, lpszServiceName, SERVICE_ALL_ACCESS)) &&
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StartService(schService, 0, NULL) )
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{
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dwStatus = WaitForServiceStart(schService);
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}
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if ( schService )
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CloseServiceHandle(schService);
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return dwStatus;
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}
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