You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1160 lines
28 KiB
1160 lines
28 KiB
/*
|
|
|
|
Copyright (c) 1998, Microsoft Corporation, all rights reserved
|
|
|
|
Description:
|
|
HBO: host byte order. Used by DNS, DHCP (except in DhcpNotifyConfigChange).
|
|
NBO: network byte order. Used by IPCP, inet_ntoa, inet_addr, the stack
|
|
(SetProxyArpEntryToStack, IPRouteEntry, etc).
|
|
|
|
*/
|
|
|
|
#include "helper_.h"
|
|
#include "reghelp.h" // for RegHelpGuidFromString
|
|
|
|
/*
|
|
|
|
Returns:
|
|
VOID
|
|
|
|
Description:
|
|
|
|
*/
|
|
|
|
VOID
|
|
TraceHlp(
|
|
IN CHAR* Format,
|
|
...
|
|
)
|
|
{
|
|
va_list arglist;
|
|
|
|
RTASSERT(NULL != Format);
|
|
|
|
va_start(arglist, Format);
|
|
|
|
TraceVprintfEx(HelperTraceId,
|
|
0x00010000 | TRACE_USE_MASK |
|
|
TRACE_USE_MSEC | TRACE_USE_DATE,
|
|
Format,
|
|
arglist);
|
|
|
|
va_end(arglist);
|
|
}
|
|
|
|
/*
|
|
|
|
Returns:
|
|
|
|
Notes:
|
|
|
|
*/
|
|
|
|
DWORD
|
|
HelperInitialize(
|
|
OUT HINSTANCE* phInstanceDhcpDll
|
|
)
|
|
{
|
|
DWORD dwErr = NO_ERROR;
|
|
|
|
HelperTraceId = TraceRegister("RASIPHLP");
|
|
|
|
TraceHlp("HelperInitialize");
|
|
|
|
while (InterlockedIncrement(&HelperLock) > 1)
|
|
{
|
|
InterlockedDecrement(&HelperLock);
|
|
|
|
if (!HelperInitialized)
|
|
{
|
|
Sleep(1000);
|
|
}
|
|
else
|
|
{
|
|
*phInstanceDhcpDll = HelperDhcpDll;
|
|
goto LDone;
|
|
}
|
|
}
|
|
|
|
ZeroMemory(&HelperRegVal, sizeof(HelperRegVal));
|
|
|
|
|
|
HelperDhcpDll = LoadLibrary("dhcpcsvc.dll");
|
|
|
|
if (NULL == HelperDhcpDll)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("LoadLibrary(dhcpcsvc.dll) failed and returned %d",
|
|
dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
HelperIpHlpDll = LoadLibrary("iphlpapi.dll");
|
|
|
|
if (NULL == HelperIpHlpDll)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("LoadLibrary(iphlpapi.dll) failed and returned %d",
|
|
dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
HelperIpBootpDll = LoadLibrary("ipbootp.dll");
|
|
|
|
if (NULL == HelperIpBootpDll)
|
|
{
|
|
TraceHlp("LoadLibrary(ipbootp.dll) failed and returned %d",
|
|
GetLastError());
|
|
}
|
|
|
|
dwErr = helperGetAddressOfProcs();
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
goto LDone;
|
|
}
|
|
|
|
/*
|
|
This is done to send an IRP_MJ_CREATE to the driver. WanArp starts
|
|
"working" (initializes itself etc) only when a component opens it. When the
|
|
router is running, this is done by the router manager, but in the ras
|
|
client case we need to force WanArp to start.
|
|
*/
|
|
|
|
HelperWanArpHandle = CreateFile(
|
|
WANARP_DOS_NAME_T,
|
|
GENERIC_READ | GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
NULL,
|
|
OPEN_EXISTING,
|
|
FILE_FLAG_OVERLAPPED,
|
|
NULL);
|
|
|
|
if (INVALID_HANDLE_VALUE == HelperWanArpHandle)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("CreateFile(%s) failed and returned %d",
|
|
WANARP_DOS_NAME_A, dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
// This is done last. If something fails above, we don't have to
|
|
// DeleteCriticalSection.
|
|
|
|
InitializeCriticalSection(&RasDhcpCriticalSection);
|
|
InitializeCriticalSection(&RasStatCriticalSection);
|
|
InitializeCriticalSection(&RasSrvrCriticalSection);
|
|
InitializeCriticalSection(&RasTimrCriticalSection);
|
|
|
|
HelperChangeNotification();
|
|
|
|
*phInstanceDhcpDll = HelperDhcpDll;
|
|
|
|
HelperInitialized = TRUE;
|
|
|
|
LDone:
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
if ((DWORD)-1 != HelperTraceId)
|
|
{
|
|
TraceDeregister(HelperTraceId);
|
|
HelperTraceId = (DWORD)-1;
|
|
}
|
|
|
|
if (INVALID_HANDLE_VALUE != HelperWanArpHandle)
|
|
{
|
|
CloseHandle(HelperWanArpHandle);
|
|
HelperWanArpHandle = INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
if (NULL != HelperDhcpDll)
|
|
{
|
|
FreeLibrary(HelperDhcpDll);
|
|
HelperDhcpDll = NULL;
|
|
}
|
|
|
|
if (NULL != HelperIpHlpDll)
|
|
{
|
|
FreeLibrary(HelperIpHlpDll);
|
|
HelperIpHlpDll = NULL;
|
|
}
|
|
|
|
if (NULL != HelperIpBootpDll)
|
|
{
|
|
FreeLibrary(HelperIpBootpDll);
|
|
HelperIpBootpDll = NULL;
|
|
}
|
|
|
|
PDhcpNotifyConfigChange = NULL;
|
|
PDhcpLeaseIpAddress = NULL;
|
|
PDhcpRenewIpAddressLease = NULL;
|
|
PDhcpReleaseIpAddressLease = NULL;
|
|
PAllocateAndGetIpAddrTableFromStack = NULL;
|
|
PSetProxyArpEntryToStack = NULL;
|
|
PSetIpForwardEntryToStack = NULL;
|
|
PSetIpForwardEntry = NULL;
|
|
PDeleteIpForwardEntry = NULL;
|
|
PNhpAllocateAndGetInterfaceInfoFromStack = NULL;
|
|
PAllocateAndGetIpForwardTableFromStack = NULL;
|
|
PGetAdaptersInfo = NULL;
|
|
PGetPerAdapterInfo = NULL;
|
|
PEnableDhcpInformServer = NULL;
|
|
PDisableDhcpInformServer = NULL;
|
|
|
|
ZeroMemory(&HelperRegVal, sizeof(HelperRegVal));
|
|
|
|
InterlockedDecrement(&HelperLock);
|
|
}
|
|
|
|
return(dwErr);
|
|
}
|
|
|
|
/*
|
|
|
|
Returns:
|
|
VOID
|
|
|
|
Notes:
|
|
|
|
*/
|
|
|
|
VOID
|
|
HelperUninitialize(
|
|
VOID
|
|
)
|
|
{
|
|
TraceHlp("HelperUninitialize");
|
|
|
|
if ((DWORD)-1 != HelperTraceId)
|
|
{
|
|
TraceDeregister(HelperTraceId);
|
|
HelperTraceId = (DWORD)-1;
|
|
}
|
|
|
|
if (INVALID_HANDLE_VALUE != HelperWanArpHandle)
|
|
{
|
|
CloseHandle(HelperWanArpHandle);
|
|
HelperWanArpHandle = INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
if (NULL != HelperDhcpDll)
|
|
{
|
|
FreeLibrary(HelperDhcpDll);
|
|
HelperDhcpDll = NULL;
|
|
}
|
|
|
|
if (NULL != HelperIpHlpDll)
|
|
{
|
|
FreeLibrary(HelperIpHlpDll);
|
|
HelperIpHlpDll = NULL;
|
|
}
|
|
|
|
if (NULL != HelperIpBootpDll)
|
|
{
|
|
FreeLibrary(HelperIpBootpDll);
|
|
HelperIpBootpDll = NULL;
|
|
}
|
|
|
|
RasStatFreeAddrPool(HelperRegVal.pAddrPool);
|
|
HelperRegVal.pAddrPool = NULL;
|
|
|
|
PDhcpNotifyConfigChange = NULL;
|
|
PDhcpLeaseIpAddress = NULL;
|
|
PDhcpRenewIpAddressLease = NULL;
|
|
PDhcpReleaseIpAddressLease = NULL;
|
|
PAllocateAndGetIpAddrTableFromStack = NULL;
|
|
PSetProxyArpEntryToStack = NULL;
|
|
PSetIpForwardEntryToStack = NULL;
|
|
PSetIpForwardEntry = NULL;
|
|
PDeleteIpForwardEntry = NULL;
|
|
PNhpAllocateAndGetInterfaceInfoFromStack = NULL;
|
|
PAllocateAndGetIpForwardTableFromStack = NULL;
|
|
PGetAdaptersInfo = NULL;
|
|
PGetPerAdapterInfo = NULL;
|
|
PEnableDhcpInformServer = NULL;
|
|
PDisableDhcpInformServer = NULL;
|
|
|
|
ZeroMemory(&HelperRegVal, sizeof(HelperRegVal));
|
|
|
|
if (HelperInitialized)
|
|
{
|
|
DeleteCriticalSection(&RasDhcpCriticalSection);
|
|
DeleteCriticalSection(&RasStatCriticalSection);
|
|
DeleteCriticalSection(&RasSrvrCriticalSection);
|
|
DeleteCriticalSection(&RasTimrCriticalSection);
|
|
HelperInitialized = FALSE;
|
|
InterlockedDecrement(&HelperLock);
|
|
}
|
|
}
|
|
|
|
/*
|
|
|
|
Returns:
|
|
VOID
|
|
|
|
Description:
|
|
|
|
*/
|
|
|
|
VOID
|
|
HelperChangeNotification(
|
|
VOID
|
|
)
|
|
{
|
|
BOOL fUseDhcpAddressingOld;
|
|
BOOL fUseDhcpAddressing = TRUE;
|
|
ADDR_POOL* pAddrPool = NULL;
|
|
BOOL fNICChosen;
|
|
GUID guidChosenNIC;
|
|
HANDLE h;
|
|
|
|
DWORD dwNumBytes;
|
|
HKEY hKey = NULL;
|
|
LONG lErr;
|
|
DWORD dwErr;
|
|
|
|
TraceHlp("HelperChangeNotification");
|
|
|
|
fUseDhcpAddressingOld = HelperRegVal.fUseDhcpAddressing;
|
|
fNICChosen = HelperRegVal.fNICChosen;
|
|
CopyMemory(&guidChosenNIC, &(HelperRegVal.guidChosenNIC), sizeof(GUID));
|
|
|
|
lErr = RegOpenKeyEx(HKEY_LOCAL_MACHINE, REGKEY_RAS_IP_PARAM_A, 0, KEY_READ,
|
|
&hKey);
|
|
|
|
if (ERROR_SUCCESS == lErr)
|
|
{
|
|
dwNumBytes = sizeof(fUseDhcpAddressing);
|
|
|
|
lErr = RegQueryValueEx(hKey, REGVAL_USEDHCPADDRESSING_A, NULL, NULL,
|
|
(BYTE*)&fUseDhcpAddressing, &dwNumBytes);
|
|
|
|
if (ERROR_SUCCESS != lErr)
|
|
{
|
|
fUseDhcpAddressing = TRUE;
|
|
}
|
|
}
|
|
|
|
helperReadRegistry();
|
|
|
|
if (!fUseDhcpAddressing)
|
|
{
|
|
RasStatCreatePoolList(&pAddrPool);
|
|
}
|
|
|
|
EnterCriticalSection(&RasSrvrCriticalSection);
|
|
|
|
if (RasSrvrRunning)
|
|
{
|
|
RasSrvrEnableRouter(HelperRegVal.fEnableRoute);
|
|
|
|
if ( (fUseDhcpAddressingOld != fUseDhcpAddressing)
|
|
|| ( !fUseDhcpAddressing
|
|
&& RasStatAddrPoolsDiffer(HelperRegVal.pAddrPool, pAddrPool))
|
|
|| ( fUseDhcpAddressing
|
|
&& ( (fNICChosen != HelperRegVal.fNICChosen)
|
|
|| ( fNICChosen
|
|
&& (!IsEqualGUID(&guidChosenNIC,
|
|
&(HelperRegVal.guidChosenNIC)))))))
|
|
{
|
|
RasSrvrStop(TRUE /* fParametersChanged */);
|
|
HelperRegVal.fUseDhcpAddressing = fUseDhcpAddressing;
|
|
RasStatFreeAddrPool(HelperRegVal.pAddrPool);
|
|
HelperRegVal.pAddrPool = pAddrPool;
|
|
pAddrPool = NULL;
|
|
dwErr = RasSrvrStart();
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
TraceHlp("RasSrvrStart failed and returned %d");
|
|
}
|
|
}
|
|
|
|
if( (!fUseDhcpAddressing)
|
|
&& (pAddrPool != NULL))
|
|
{
|
|
RasStatFreeAddrPool(pAddrPool);
|
|
pAddrPool = NULL;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
HelperRegVal.fUseDhcpAddressing = fUseDhcpAddressing;
|
|
RasStatFreeAddrPool(HelperRegVal.pAddrPool);
|
|
HelperRegVal.pAddrPool = pAddrPool;
|
|
}
|
|
|
|
LeaveCriticalSection(&RasSrvrCriticalSection);
|
|
|
|
if (NULL != hKey)
|
|
{
|
|
RegCloseKey(hKey);
|
|
}
|
|
}
|
|
|
|
/*
|
|
|
|
Returns:
|
|
|
|
Description:
|
|
|
|
*/
|
|
|
|
DWORD
|
|
HelperSetDefaultInterfaceNet(
|
|
IN IPADDR nboIpAddrLocal,
|
|
IN IPADDR nboIpAddrRemote,
|
|
IN BOOL fPrioritize,
|
|
IN WCHAR *pszDevice
|
|
)
|
|
{
|
|
DWORD dwErr = NO_ERROR;
|
|
GUID DeviceGuid;
|
|
|
|
TraceHlp("HelperSetDefaultInterfaceNet(IP addr: 0x%x, fPrioritize: %d)",
|
|
nboIpAddrLocal, fPrioritize);
|
|
|
|
if(NULL == pszDevice)
|
|
{
|
|
dwErr = ERROR_INVALID_PARAMETER;
|
|
goto LDone;
|
|
}
|
|
|
|
RegHelpGuidFromString(pszDevice, &DeviceGuid);
|
|
|
|
// If fPrioritize flag is set, "fix" the metrics so that the packets go on
|
|
// the RAS links
|
|
|
|
if (fPrioritize)
|
|
{
|
|
dwErr = RasTcpAdjustRouteMetrics(nboIpAddrLocal, TRUE);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
goto LDone;
|
|
}
|
|
}
|
|
|
|
// Add code to check for the remote network - same as the one of the local
|
|
// networks - if so, set the subnet route to be over the RAS adapter -
|
|
// making the ras link as the primary adapter
|
|
|
|
// We add a Default route to make RAS adapter as the default net if
|
|
// fPrioritize flag is set.
|
|
|
|
if (fPrioritize)
|
|
{
|
|
// RasTcpSetRoutesForNameServers(TRUE);
|
|
|
|
RasTcpSetRouteEx(
|
|
ALL_NETWORKS_ROUTE,
|
|
nboIpAddrLocal,
|
|
0,
|
|
nboIpAddrLocal,
|
|
TRUE,
|
|
1,
|
|
TRUE,
|
|
&DeviceGuid);
|
|
}
|
|
else
|
|
{
|
|
IPADDR nboMask;
|
|
|
|
nboMask = RasTcpDeriveMask(nboIpAddrLocal);
|
|
|
|
if (nboMask != 0)
|
|
{
|
|
RasTcpSetRouteEx(
|
|
nboIpAddrLocal & nboMask,
|
|
nboIpAddrLocal,
|
|
nboMask,
|
|
nboIpAddrLocal,
|
|
TRUE,
|
|
1,
|
|
TRUE,
|
|
&DeviceGuid);
|
|
}
|
|
}
|
|
|
|
if (0 != nboIpAddrRemote)
|
|
{
|
|
RasTcpSetRouteEx(
|
|
nboIpAddrRemote,
|
|
nboIpAddrLocal,
|
|
HOST_MASK,
|
|
nboIpAddrLocal,
|
|
TRUE,
|
|
1,
|
|
TRUE,
|
|
&DeviceGuid);
|
|
}
|
|
|
|
LDone:
|
|
|
|
return(dwErr);
|
|
}
|
|
|
|
/*
|
|
|
|
Returns:
|
|
|
|
Description:
|
|
|
|
*/
|
|
|
|
DWORD
|
|
HelperResetDefaultInterfaceNet(
|
|
IN IPADDR nboIpAddr,
|
|
IN BOOL fPrioritize
|
|
)
|
|
{
|
|
DWORD dwErr = NO_ERROR;;
|
|
|
|
if (fPrioritize)
|
|
{
|
|
// RasTcpSetRoutesForNameServers(FALSE);
|
|
dwErr = RasTcpAdjustRouteMetrics(nboIpAddr, FALSE);
|
|
}
|
|
|
|
return(dwErr);
|
|
}
|
|
|
|
/*
|
|
Set interface information for SLIP connections
|
|
|
|
Returns:
|
|
|
|
Notes:
|
|
|
|
*/
|
|
|
|
DWORD
|
|
HelperSetDefaultInterfaceNetEx(
|
|
IPADDR nboIpAddr,
|
|
WCHAR* wszDevice,
|
|
BOOL fPrioritize,
|
|
WCHAR* wszDnsAddress,
|
|
WCHAR* wszDns2Address,
|
|
WCHAR* wszWinsAddress,
|
|
WCHAR* wszWins2Address,
|
|
BOOL fDisableNetBIOS
|
|
)
|
|
{
|
|
DWORD dwErr = NO_ERROR;
|
|
IPADDR nboIpMask = HOST_MASK;
|
|
TCPIP_INFO* pTcpipInfo = NULL;
|
|
|
|
TraceHlp("HelperSetDefaultInterfaceNetEx(IP addr: 0x%x, Device: %ws, "
|
|
"fPrioritize: %d, DNS1: %ws, DNS2: %ws, WINS1: %ws, WINS2: %ws, ",
|
|
"fDisableNetBIOS: %d",
|
|
nboIpAddr, wszDevice, fPrioritize, wszDnsAddress, wszDns2Address,
|
|
wszWinsAddress, wszWins2Address, fDisableNetBIOS);
|
|
|
|
dwErr = LoadTcpipInfo(&pTcpipInfo, wszDevice, FALSE /* fAdapterOnly */);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
goto LDone;
|
|
}
|
|
|
|
AbcdWszFromIpAddress(nboIpAddr, pTcpipInfo->wszIPAddress);
|
|
AbcdWszFromIpAddress(nboIpMask, pTcpipInfo->wszSubnetMask);
|
|
|
|
// Since we are adding the addresses to the head of the list, we need to add
|
|
// the backup DNS and WINS addresses before the primary addresses, so the
|
|
// primary ones will be at the head of the list when we're done.
|
|
|
|
if (wszDns2Address != NULL)
|
|
{
|
|
dwErr = PrependWszIpAddress(&pTcpipInfo->wszDNSNameServers,
|
|
wszDns2Address);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
goto LDone;
|
|
}
|
|
}
|
|
|
|
if (wszDnsAddress != NULL)
|
|
{
|
|
dwErr = PrependWszIpAddress(&pTcpipInfo->wszDNSNameServers,
|
|
wszDnsAddress);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
goto LDone;
|
|
}
|
|
}
|
|
|
|
if (wszWins2Address != NULL)
|
|
{
|
|
dwErr = PrependWszIpAddressToMwsz(&pTcpipInfo->mwszNetBIOSNameServers,
|
|
wszWins2Address);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
goto LDone;
|
|
}
|
|
}
|
|
|
|
if (wszWinsAddress != NULL)
|
|
{
|
|
dwErr = PrependWszIpAddressToMwsz(&pTcpipInfo->mwszNetBIOSNameServers,
|
|
wszWinsAddress);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
goto LDone;
|
|
}
|
|
}
|
|
|
|
pTcpipInfo->fDisableNetBIOSoverTcpip = fDisableNetBIOS;
|
|
pTcpipInfo->fChanged = TRUE;
|
|
|
|
dwErr = SaveTcpipInfo(pTcpipInfo);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
goto LDone;
|
|
}
|
|
|
|
dwErr = PDhcpNotifyConfigChange(NULL, wszDevice, TRUE, 0, nboIpAddr,
|
|
nboIpMask, IgnoreFlag);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
TraceHlp("DhcpNotifyConfigChange failed and returned %d", dwErr);
|
|
goto LDone;
|
|
}
|
|
|
|
// If fPrioritize flag is set "Fix" the metrics so that the packets go on
|
|
// the RAS links
|
|
|
|
if (fPrioritize)
|
|
{
|
|
dwErr = RasTcpAdjustRouteMetrics(nboIpAddr, TRUE);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
goto LDone;
|
|
}
|
|
}
|
|
|
|
// Add code to check for the remote network - same as the one of the local
|
|
// networks - if so, set the subnet route to be over the RAS adapter -
|
|
// making the RAS link as the primary adapter
|
|
|
|
// We add a Default route to make RAS adapter as the default net if
|
|
// fPrioritize flag is set.
|
|
|
|
if (fPrioritize)
|
|
{
|
|
// RasTcpSetRoutesForNameServers(TRUE);
|
|
|
|
RasTcpSetRoute(ALL_NETWORKS_ROUTE,
|
|
nboIpAddr,
|
|
0,
|
|
nboIpAddr,
|
|
TRUE,
|
|
1,
|
|
TRUE);
|
|
}
|
|
else
|
|
{
|
|
IPADDR nboMask;
|
|
|
|
nboMask = RasTcpDeriveMask(nboIpAddr);
|
|
|
|
if (nboMask != 0)
|
|
{
|
|
RasTcpSetRoute(
|
|
nboIpAddr & nboMask,
|
|
nboIpAddr,
|
|
nboMask,
|
|
nboIpAddr,
|
|
TRUE,
|
|
1,
|
|
TRUE);
|
|
}
|
|
}
|
|
|
|
LDone:
|
|
|
|
if (pTcpipInfo != NULL)
|
|
{
|
|
FreeTcpipInfo(&pTcpipInfo);
|
|
}
|
|
|
|
return(dwErr);
|
|
}
|
|
|
|
/*
|
|
|
|
Returns:
|
|
|
|
Notes:
|
|
|
|
*/
|
|
|
|
DWORD
|
|
HelperResetDefaultInterfaceNetEx(
|
|
IPADDR nboIpAddr,
|
|
WCHAR* wszDevice,
|
|
BOOL fPrioritize,
|
|
WCHAR* wszDnsAddress,
|
|
WCHAR* wszDns2Address,
|
|
WCHAR* wszWinsAddress,
|
|
WCHAR* wszWins2Address
|
|
)
|
|
{
|
|
DWORD dwErr = NO_ERROR;
|
|
TCPIP_INFO* pTcpipInfo = NULL;
|
|
|
|
TraceHlp("HelperResetDefaultInterfaceNetEx(0x%x)", nboIpAddr);
|
|
|
|
if (fPrioritize)
|
|
{
|
|
|
|
// RasTcpSetRoutesForNameServers(FALSE);
|
|
RasTcpAdjustRouteMetrics(nboIpAddr, FALSE);
|
|
}
|
|
|
|
dwErr = LoadTcpipInfo(&pTcpipInfo, wszDevice, TRUE /* fAdapterOnly */);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
goto LDone;
|
|
}
|
|
|
|
pTcpipInfo->fChanged = TRUE;
|
|
|
|
dwErr = SaveTcpipInfo(pTcpipInfo);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
goto LDone;
|
|
}
|
|
|
|
dwErr = PDhcpNotifyConfigChange(NULL, wszDevice, TRUE, 0, 0, 0, IgnoreFlag);
|
|
|
|
if (NO_ERROR != dwErr)
|
|
{
|
|
TraceHlp("DhcpNotifyConfigChange failed and returned %d", dwErr);
|
|
dwErr = NO_ERROR;
|
|
}
|
|
|
|
LDone:
|
|
|
|
if (pTcpipInfo != NULL)
|
|
{
|
|
FreeTcpipInfo(&pTcpipInfo);
|
|
}
|
|
|
|
return(dwErr);
|
|
}
|
|
|
|
/*
|
|
|
|
Returns:
|
|
|
|
Description:
|
|
|
|
*/
|
|
|
|
DWORD
|
|
helperGetAddressOfProcs(
|
|
VOID
|
|
)
|
|
{
|
|
DWORD dwErr = NO_ERROR;
|
|
|
|
PDhcpNotifyConfigChange = (DHCPNOTIFYCONFIGCHANGE)
|
|
GetProcAddress(HelperDhcpDll, "DhcpNotifyConfigChange");
|
|
|
|
if (NULL == PDhcpNotifyConfigChange)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(DhcpNotifyConfigChange) failed and returned "
|
|
"%d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PDhcpLeaseIpAddress = (DHCPLEASEIPADDRESS)
|
|
GetProcAddress(HelperDhcpDll, "DhcpLeaseIpAddress");
|
|
|
|
if (NULL == PDhcpLeaseIpAddress)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(DhcpLeaseIpAddress) failed and returned "
|
|
"%d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PDhcpRenewIpAddressLease = (DHCPRENEWIPADDRESSLEASE)
|
|
GetProcAddress(HelperDhcpDll, "DhcpRenewIpAddressLease");
|
|
|
|
if (NULL == PDhcpRenewIpAddressLease)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(DhcpRenewIpAddressLease) failed and returned "
|
|
"%d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PDhcpReleaseIpAddressLease = (DHCPRELEASEIPADDRESSLEASE)
|
|
GetProcAddress(HelperDhcpDll, "DhcpReleaseIpAddressLease");
|
|
|
|
if (NULL == PDhcpReleaseIpAddressLease)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(DhcpReleaseIpAddressLease) failed and "
|
|
"returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PAllocateAndGetIpAddrTableFromStack = (ALLOCATEANDGETIPADDRTABLEFROMSTACK)
|
|
GetProcAddress(HelperIpHlpDll, "AllocateAndGetIpAddrTableFromStack");
|
|
|
|
if (NULL == PAllocateAndGetIpAddrTableFromStack)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(AllocateAndGetIpAddrTableFromStack) failed "
|
|
"and returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PSetProxyArpEntryToStack = (SETPROXYARPENTRYTOSTACK)
|
|
GetProcAddress(HelperIpHlpDll, "SetProxyArpEntryToStack");
|
|
|
|
if (NULL == PSetProxyArpEntryToStack)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(SetProxyArpEntryToStack) failed and "
|
|
"returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PSetIpForwardEntryToStack = (SETIPFORWARDENTRYTOSTACK)
|
|
GetProcAddress(HelperIpHlpDll, "SetIpForwardEntryToStack");
|
|
|
|
if (NULL == PSetIpForwardEntryToStack)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(SetIpForwardEntryToStack) failed and "
|
|
"returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PSetIpForwardEntry = (SETIPFORWARDENTRY)
|
|
GetProcAddress(HelperIpHlpDll, "SetIpForwardEntry");
|
|
|
|
if (NULL == PSetIpForwardEntry)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(SetIpForwardEntry) failed and "
|
|
"returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PDeleteIpForwardEntry = (DELETEIPFORWARDENTRY)
|
|
GetProcAddress(HelperIpHlpDll, "DeleteIpForwardEntry");
|
|
|
|
if (NULL == PDeleteIpForwardEntry)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(DeleteIpForwardEntry) failed and "
|
|
"returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PNhpAllocateAndGetInterfaceInfoFromStack =
|
|
(NHPALLOCATEANDGETINTERFACEINFOFROMSTACK)
|
|
GetProcAddress(HelperIpHlpDll,
|
|
"NhpAllocateAndGetInterfaceInfoFromStack");
|
|
|
|
if (NULL == PNhpAllocateAndGetInterfaceInfoFromStack)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(NhpAllocateAndGetInterfaceInfoFromStack) "
|
|
"failed and returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PAllocateAndGetIpForwardTableFromStack =
|
|
(ALLOCATEANDGETIPFORWARDTABLEFROMSTACK)
|
|
GetProcAddress(HelperIpHlpDll,
|
|
"AllocateAndGetIpForwardTableFromStack");
|
|
|
|
if (NULL == PAllocateAndGetIpForwardTableFromStack)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(AllocateAndGetIpForwardTableFromStack) "
|
|
"failed and returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PGetAdaptersInfo = (GETADAPTERSINFO)
|
|
GetProcAddress(HelperIpHlpDll, "GetAdaptersInfo");
|
|
|
|
if (NULL == PGetAdaptersInfo)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(GetAdaptersInfo) failed and "
|
|
"returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PGetPerAdapterInfo = (GETPERADAPTERINFO)
|
|
GetProcAddress(HelperIpHlpDll, "GetPerAdapterInfo");
|
|
|
|
if (NULL == PGetPerAdapterInfo)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(GetPerAdapterInfo) failed and "
|
|
"returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
if (NULL != HelperIpBootpDll)
|
|
{
|
|
PEnableDhcpInformServer = (ENABLEDHCPINFORMSERVER)
|
|
GetProcAddress(HelperIpBootpDll, "EnableDhcpInformServer");
|
|
|
|
if (NULL == PEnableDhcpInformServer)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(EnableDhcpInformServer) failed and "
|
|
"returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
|
|
PDisableDhcpInformServer = (DISABLEDHCPINFORMSERVER)
|
|
GetProcAddress(HelperIpBootpDll, "DisableDhcpInformServer");
|
|
|
|
if (NULL == PDisableDhcpInformServer)
|
|
{
|
|
dwErr = GetLastError();
|
|
|
|
TraceHlp("GetProcAddress(DisableDhcpInformServer) failed and "
|
|
"returned %d", dwErr);
|
|
|
|
goto LDone;
|
|
}
|
|
}
|
|
|
|
LDone:
|
|
|
|
return(dwErr);
|
|
}
|
|
|
|
/*
|
|
|
|
Returns:
|
|
VOID
|
|
|
|
Description:
|
|
|
|
*/
|
|
|
|
VOID
|
|
helperReadRegistry(
|
|
VOID
|
|
)
|
|
{
|
|
LONG lErr;
|
|
DWORD dwErr;
|
|
DWORD dw;
|
|
DWORD dwNumBytes;
|
|
CHAR* szIpAddr = NULL;
|
|
CHAR* szAlloced = NULL;
|
|
IPADDR nboIpAddr1;
|
|
IPADDR nboIpAddr2;
|
|
HKEY hKeyIpParam = NULL;
|
|
WCHAR* wszAdapterGuid = NULL;
|
|
HRESULT hr;
|
|
|
|
HelperRegVal.fSuppressWINSNameServers = FALSE;
|
|
HelperRegVal.fSuppressDNSNameServers = FALSE;
|
|
HelperRegVal.dwChunkSize = 10;
|
|
HelperRegVal.nboWINSNameServer1 = 0;
|
|
HelperRegVal.nboWINSNameServer2 = 0;
|
|
HelperRegVal.nboDNSNameServer1 = 0;
|
|
HelperRegVal.nboDNSNameServer2 = 0;
|
|
HelperRegVal.fNICChosen = FALSE;
|
|
HelperRegVal.fEnableRoute = FALSE;
|
|
|
|
lErr = RegOpenKeyEx(HKEY_LOCAL_MACHINE, REGKEY_RAS_IP_PARAM_A, 0,
|
|
KEY_READ, &hKeyIpParam);
|
|
|
|
if (ERROR_SUCCESS == lErr)
|
|
{
|
|
dwErr = RegQueryValueWithAllocW(hKeyIpParam, REGVAL_ADAPTERGUID_W,
|
|
REG_SZ, (BYTE**)&wszAdapterGuid);
|
|
|
|
if ( (NO_ERROR == dwErr)
|
|
&& (wszAdapterGuid[0]))
|
|
{
|
|
hr = CLSIDFromString(wszAdapterGuid, &(HelperRegVal.guidChosenNIC));
|
|
|
|
if (!FAILED(hr))
|
|
{
|
|
HelperRegVal.fNICChosen = TRUE;
|
|
}
|
|
}
|
|
|
|
dwNumBytes = sizeof(dw);
|
|
|
|
lErr = RegQueryValueEx(hKeyIpParam, REGVAL_SUPPRESSWINS_A, NULL, NULL,
|
|
(BYTE*)&dw, &dwNumBytes);
|
|
|
|
if ( (ERROR_SUCCESS == lErr)
|
|
&& (0 != dw))
|
|
{
|
|
HelperRegVal.fSuppressWINSNameServers = TRUE;
|
|
}
|
|
|
|
dwNumBytes = sizeof(dw);
|
|
|
|
lErr = RegQueryValueEx(hKeyIpParam, REGVAL_SUPPRESSDNS_A, NULL, NULL,
|
|
(BYTE*)&dw, &dwNumBytes);
|
|
|
|
if ( (ERROR_SUCCESS == lErr)
|
|
&& (0 != dw))
|
|
{
|
|
HelperRegVal.fSuppressDNSNameServers = TRUE;
|
|
}
|
|
|
|
dwNumBytes = sizeof(dw);
|
|
|
|
lErr = RegQueryValueEx(hKeyIpParam, REGVAL_CHUNK_SIZE_A, NULL, NULL,
|
|
(BYTE*)&dw, &dwNumBytes);
|
|
|
|
if (ERROR_SUCCESS == lErr)
|
|
{
|
|
HelperRegVal.dwChunkSize = dw;
|
|
}
|
|
|
|
dwNumBytes = sizeof(dw);
|
|
|
|
lErr = RegQueryValueEx(hKeyIpParam, REGVAL_ALLOW_NETWORK_ACCESS_A, NULL,
|
|
NULL, (BYTE*)&dw, &dwNumBytes);
|
|
|
|
if (ERROR_SUCCESS == lErr)
|
|
{
|
|
HelperRegVal.fEnableRoute = dw;
|
|
}
|
|
|
|
dwErr = RegQueryValueWithAllocA(hKeyIpParam, REGVAL_WINSSERVER_A,
|
|
REG_SZ, &szIpAddr);
|
|
|
|
if (NO_ERROR == dwErr)
|
|
{
|
|
nboIpAddr1 = inet_addr(szIpAddr);
|
|
|
|
if (INADDR_NONE != nboIpAddr1)
|
|
{
|
|
HelperRegVal.nboWINSNameServer1 = nboIpAddr1;
|
|
}
|
|
|
|
LocalFree(szIpAddr);
|
|
szIpAddr = NULL;
|
|
}
|
|
|
|
dwErr = RegQueryValueWithAllocA(hKeyIpParam, REGVAL_WINSSERVERBACKUP_A,
|
|
REG_SZ, &szIpAddr);
|
|
|
|
if (NO_ERROR == dwErr)
|
|
{
|
|
nboIpAddr2 = inet_addr(szIpAddr);
|
|
|
|
if ( (INADDR_NONE != nboIpAddr2)
|
|
&& (0 != HelperRegVal.nboWINSNameServer1))
|
|
{
|
|
HelperRegVal.nboWINSNameServer2 = nboIpAddr2;
|
|
}
|
|
|
|
LocalFree(szIpAddr);
|
|
szIpAddr = NULL;
|
|
}
|
|
|
|
dwErr = RegQueryValueWithAllocA(hKeyIpParam, REGVAL_DNSSERVERS_A,
|
|
REG_MULTI_SZ, &szAlloced);
|
|
|
|
if (NO_ERROR == dwErr)
|
|
{
|
|
szIpAddr = szAlloced;
|
|
nboIpAddr1 = inet_addr(szIpAddr);
|
|
// We are sure that the buffer szIpAddr has 2 zeros at the end
|
|
szIpAddr += strlen(szIpAddr) + 1;
|
|
nboIpAddr2 = inet_addr(szIpAddr);
|
|
|
|
if ( (INADDR_NONE != nboIpAddr1)
|
|
&& (0 != nboIpAddr1))
|
|
{
|
|
HelperRegVal.nboDNSNameServer1 = nboIpAddr1;
|
|
|
|
if (INADDR_NONE != nboIpAddr2)
|
|
{
|
|
HelperRegVal.nboDNSNameServer2 = nboIpAddr2;
|
|
}
|
|
}
|
|
|
|
LocalFree(szAlloced);
|
|
szAlloced = NULL;
|
|
}
|
|
}
|
|
|
|
TraceHlp("%s: %d, %s: %d, %s: %d",
|
|
REGVAL_SUPPRESSWINS_A, HelperRegVal.fSuppressWINSNameServers,
|
|
REGVAL_SUPPRESSDNS_A, HelperRegVal.fSuppressDNSNameServers,
|
|
REGVAL_CHUNK_SIZE_A, HelperRegVal.dwChunkSize);
|
|
|
|
TraceHlp("%s: 0x%x, %s: 0x%x, %s: 0x%x, 0x%x",
|
|
REGVAL_WINSSERVER_A, HelperRegVal.nboWINSNameServer1,
|
|
REGVAL_WINSSERVERBACKUP_A, HelperRegVal.nboWINSNameServer2,
|
|
REGVAL_DNSSERVERS_A, HelperRegVal.nboDNSNameServer1,
|
|
HelperRegVal.nboDNSNameServer2);
|
|
|
|
if (NULL != hKeyIpParam)
|
|
{
|
|
RegCloseKey(hKeyIpParam);
|
|
}
|
|
|
|
LocalFree(wszAdapterGuid);
|
|
}
|