Dike out some cruft in Windows tap that we will never use, like TUN mode, DHCP masq, ARP emulation, NDP emulation, and related. We operate only in L2 mode. All tap, no tun.

This commit is contained in:
Adam Ierymenko 2013-08-27 11:55:56 -04:00
parent b4be07149f
commit 1c88a518cf
7 changed files with 59 additions and 18 deletions

View file

@ -867,6 +867,7 @@ EthernetTap::EthernetTap(
} }
} }
// If we have a device, configure it
if (_myDeviceInstanceId.length() > 0) { if (_myDeviceInstanceId.length() > 0) {
char tmps[4096]; char tmps[4096];
unsigned int tmpsl = sprintf_s(tmps,"%.2X-%.2X-%.2X-%.2X-%.2X-%.2X",(unsigned int)mac.data[0],(unsigned int)mac.data[1],(unsigned int)mac.data[2],(unsigned int)mac.data[3],(unsigned int)mac.data[4],(unsigned int)mac.data[5]) + 1; unsigned int tmpsl = sprintf_s(tmps,"%.2X-%.2X-%.2X-%.2X-%.2X-%.2X",(unsigned int)mac.data[0],(unsigned int)mac.data[1],(unsigned int)mac.data[2],(unsigned int)mac.data[3],(unsigned int)mac.data[4],(unsigned int)mac.data[5]) + 1;
@ -878,11 +879,14 @@ EthernetTap::EthernetTap(
RegSetKeyValueA(nwAdapters,mySubkeyName.c_str(),"EnableDHCP",REG_DWORD,(LPCVOID)&tmp,sizeof(tmp)); RegSetKeyValueA(nwAdapters,mySubkeyName.c_str(),"EnableDHCP",REG_DWORD,(LPCVOID)&tmp,sizeof(tmp));
} }
// Done with registry
RegCloseKey(nwAdapters); RegCloseKey(nwAdapters);
// If we didn't get a device, we can't start
if (_myDeviceInstanceId.length() == 0) if (_myDeviceInstanceId.length() == 0)
throw std::runtime_error("unable to create new tap adapter"); throw std::runtime_error("unable to create new tap adapter");
// Convert device GUID junk... blech
{ {
char nobraces[128]; char nobraces[128];
const char *nbtmp1 = _myDeviceInstanceId.c_str(); const char *nbtmp1 = _myDeviceInstanceId.c_str();
@ -897,7 +901,7 @@ EthernetTap::EthernetTap(
throw std::runtime_error("unable to convert instance ID GUID to native GUID (invalid NetCfgInstanceId in registry?)"); throw std::runtime_error("unable to convert instance ID GUID to native GUID (invalid NetCfgInstanceId in registry?)");
} }
// Disable and enable interface to ensure settings take effect // Disable and enable interface to ensure registry settings take effect
{ {
STARTUPINFOA startupInfo; STARTUPINFOA startupInfo;
startupInfo.cb = sizeof(startupInfo); startupInfo.cb = sizeof(startupInfo);
@ -928,26 +932,24 @@ EthernetTap::EthernetTap(
} }
// Open the tap, which is in this weird Windows analog of /dev // Open the tap, which is in this weird Windows analog of /dev
#ifdef UNICODE
wchar_t tapPath[4096];
swprintf_s(tapPath,L"\\\\.\\Global\\%S.tap",_myDeviceInstanceId.c_str());
#else
char tapPath[4096]; char tapPath[4096];
sprintf_s(tapPath,"\\\\.\\Global\\%s.tap",_myDeviceInstanceId.c_str()); sprintf_s(tapPath,"\\\\.\\Global\\%s.tap",_myDeviceInstanceId.c_str());
#endif _tap = CreateFileA(tapPath,GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_SYSTEM|FILE_FLAG_OVERLAPPED,NULL);
_tap = CreateFile(tapPath,GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_SYSTEM|FILE_FLAG_OVERLAPPED,NULL);
if (_tap == INVALID_HANDLE_VALUE) if (_tap == INVALID_HANDLE_VALUE)
throw std::runtime_error("unable to open tap in \\\\.\\Global\\ namespace"); throw std::runtime_error("unable to open tap in \\\\.\\Global\\ namespace");
// Set media status to enabled
uint32_t tmpi = 1; uint32_t tmpi = 1;
DWORD bytesReturned = 0; DWORD bytesReturned = 0;
DeviceIoControl(_tap,TAP_WIN_IOCTL_SET_MEDIA_STATUS,&tmpi,sizeof(tmpi),&tmpi,sizeof(tmpi),&bytesReturned,NULL); DeviceIoControl(_tap,TAP_WIN_IOCTL_SET_MEDIA_STATUS,&tmpi,sizeof(tmpi),&tmpi,sizeof(tmpi),&bytesReturned,NULL);
// Initialized overlapped I/O structures and related events
memset(&_tapOvlRead,0,sizeof(_tapOvlRead)); memset(&_tapOvlRead,0,sizeof(_tapOvlRead));
_tapOvlRead.hEvent = CreateEvent(NULL,TRUE,FALSE,NULL); _tapOvlRead.hEvent = CreateEvent(NULL,TRUE,FALSE,NULL);
memset(&_tapOvlWrite,0,sizeof(_tapOvlWrite)); memset(&_tapOvlWrite,0,sizeof(_tapOvlWrite));
_tapOvlWrite.hEvent = CreateEvent(NULL,TRUE,FALSE,NULL); _tapOvlWrite.hEvent = CreateEvent(NULL,TRUE,FALSE,NULL);
// Start background thread that actually performs I/O
_injectSemaphore = CreateSemaphore(NULL,0,1,NULL); _injectSemaphore = CreateSemaphore(NULL,0,1,NULL);
_thread = Thread::start(this); _thread = Thread::start(this);
} }

View file

@ -22,6 +22,8 @@
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/ */
#if 0
//========================= //=========================
// Code to set DHCP options // Code to set DHCP options
//========================= //=========================
@ -597,3 +599,5 @@ DumpDHCP (const ETH_HEADER *eth,
} }
#endif /* DBG */ #endif /* DBG */
#endif

View file

@ -22,6 +22,8 @@
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/ */
#if 0
#pragma pack(1) #pragma pack(1)
//=================================================== //===================================================
@ -162,3 +164,5 @@ DumpDHCP (const ETH_HEADER *eth,
const int optlen); const int optlen);
#endif #endif
#endif

View file

@ -324,7 +324,8 @@ DumpPacket (const char *prefix,
&& blen - hlen >= (sizeof (UDPHDR))) && blen - hlen >= (sizeof (UDPHDR)))
{ {
const UDPHDR *udp = (UDPHDR *) (data + sizeof (ETH_HEADER) + hlen); const UDPHDR *udp = (UDPHDR *) (data + sizeof (ETH_HEADER) + hlen);
#if 0
// DHCP packet? // DHCP packet?
if ((udp->dest == htons (BOOTPC_PORT) || udp->dest == htons (BOOTPS_PORT)) if ((udp->dest == htons (BOOTPC_PORT) || udp->dest == htons (BOOTPS_PORT))
&& blen - hlen >= (sizeof (UDPHDR) + sizeof (DHCP))) && blen - hlen >= (sizeof (UDPHDR) + sizeof (DHCP)))
@ -346,6 +347,7 @@ DumpPacket (const char *prefix,
DumpDHCP (eth, ip, udp, dhcp, optlen); DumpDHCP (eth, ip, udp, dhcp, optlen);
did = TRUE; did = TRUE;
} }
#endif
if (!did) if (!did)
{ {

View file

@ -39,16 +39,16 @@
#define TAP_WIN_IOCTL_GET_VERSION TAP_WIN_CONTROL_CODE (2, METHOD_BUFFERED) #define TAP_WIN_IOCTL_GET_VERSION TAP_WIN_CONTROL_CODE (2, METHOD_BUFFERED)
#define TAP_WIN_IOCTL_GET_MTU TAP_WIN_CONTROL_CODE (3, METHOD_BUFFERED) #define TAP_WIN_IOCTL_GET_MTU TAP_WIN_CONTROL_CODE (3, METHOD_BUFFERED)
#define TAP_WIN_IOCTL_GET_INFO TAP_WIN_CONTROL_CODE (4, METHOD_BUFFERED) #define TAP_WIN_IOCTL_GET_INFO TAP_WIN_CONTROL_CODE (4, METHOD_BUFFERED)
#define TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT TAP_WIN_CONTROL_CODE (5, METHOD_BUFFERED) //#define TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT TAP_WIN_CONTROL_CODE (5, METHOD_BUFFERED)
#define TAP_WIN_IOCTL_SET_MEDIA_STATUS TAP_WIN_CONTROL_CODE (6, METHOD_BUFFERED) #define TAP_WIN_IOCTL_SET_MEDIA_STATUS TAP_WIN_CONTROL_CODE (6, METHOD_BUFFERED)
#define TAP_WIN_IOCTL_CONFIG_DHCP_MASQ TAP_WIN_CONTROL_CODE (7, METHOD_BUFFERED) //#define TAP_WIN_IOCTL_CONFIG_DHCP_MASQ TAP_WIN_CONTROL_CODE (7, METHOD_BUFFERED)
#define TAP_WIN_IOCTL_GET_LOG_LINE TAP_WIN_CONTROL_CODE (8, METHOD_BUFFERED) #define TAP_WIN_IOCTL_GET_LOG_LINE TAP_WIN_CONTROL_CODE (8, METHOD_BUFFERED)
#define TAP_WIN_IOCTL_CONFIG_DHCP_SET_OPT TAP_WIN_CONTROL_CODE (9, METHOD_BUFFERED) //#define TAP_WIN_IOCTL_CONFIG_DHCP_SET_OPT TAP_WIN_CONTROL_CODE (9, METHOD_BUFFERED)
/* Added in 8.2 */ /* Added in 8.2 */
/* obsoletes TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT */ /* obsoletes TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT */
#define TAP_WIN_IOCTL_CONFIG_TUN TAP_WIN_CONTROL_CODE (10, METHOD_BUFFERED) //#define TAP_WIN_IOCTL_CONFIG_TUN TAP_WIN_CONTROL_CODE (10, METHOD_BUFFERED)
/* /*
* ================= * =================
@ -57,7 +57,6 @@
*/ */
#define ADAPTER_KEY "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}" #define ADAPTER_KEY "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
#define NETWORK_CONNECTIONS_KEY "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}" #define NETWORK_CONNECTIONS_KEY "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
/* /*

View file

@ -62,7 +62,7 @@
// Duplicates the functionality of OpenVPN's // Duplicates the functionality of OpenVPN's
// --allow-nonadmin directive. // --allow-nonadmin directive.
//======================================================== //========================================================
#define ENABLE_NONADMIN 1 //#define ENABLE_NONADMIN 1
#if defined(DDKVER_MAJOR) && DDKVER_MAJOR < 5600 #if defined(DDKVER_MAJOR) && DDKVER_MAJOR < 5600
#include <ndis.h> #include <ndis.h>
@ -551,6 +551,7 @@ NDIS_STATUS AdapterCreate
l_Adapter->m_MAC[0], l_Adapter->m_MAC[1], l_Adapter->m_MAC[2], l_Adapter->m_MAC[0], l_Adapter->m_MAC[1], l_Adapter->m_MAC[2],
l_Adapter->m_MAC[3], l_Adapter->m_MAC[4], l_Adapter->m_MAC[5])); l_Adapter->m_MAC[3], l_Adapter->m_MAC[4], l_Adapter->m_MAC[5]));
#if 0
//================== //==================
// Set broadcast MAC // Set broadcast MAC
//================== //==================
@ -559,6 +560,7 @@ NDIS_STATUS AdapterCreate
for (i = 0; i < sizeof (MACADDR); ++i) for (i = 0; i < sizeof (MACADDR); ++i)
l_Adapter->m_MAC_Broadcast[i] = 0xFF; l_Adapter->m_MAC_Broadcast[i] = 0xFF;
} }
#endif
//==================================== //====================================
// Initialize TAP device // Initialize TAP device
@ -1480,6 +1482,7 @@ static IPV6ADDR IPV6_NS_TARGET_UNICAST =
{ 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, { 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08 }; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08 };
#if 0
BOOLEAN BOOLEAN
HandleIPv6NeighborDiscovery( TapAdapterPointer p_Adapter, UCHAR * m_Data ) HandleIPv6NeighborDiscovery( TapAdapterPointer p_Adapter, UCHAR * m_Data )
{ {
@ -1581,6 +1584,7 @@ HandleIPv6NeighborDiscovery( TapAdapterPointer p_Adapter, UCHAR * m_Data )
return TRUE; // all fine return TRUE; // all fine
} }
#endif
//==================================================================== //====================================================================
// Adapter Transmission // Adapter Transmission
@ -1662,6 +1666,7 @@ AdapterTransmit (IN NDIS_HANDLE p_AdapterContext,
IPv4PacketSizeVerify (l_PacketBuffer->m_Data, l_PacketLength, FALSE, "TX", &l_Adapter->m_TxTrunc); IPv4PacketSizeVerify (l_PacketBuffer->m_Data, l_PacketLength, FALSE, "TX", &l_Adapter->m_TxTrunc);
#endif #endif
#if 0
//===================================================== //=====================================================
// Are we running in DHCP server masquerade mode? // Are we running in DHCP server masquerade mode?
// //
@ -1687,7 +1692,9 @@ AdapterTransmit (IN NDIS_HANDLE p_AdapterContext,
l_Adapter->m_dhcp_server_mac)) l_Adapter->m_dhcp_server_mac))
goto no_queue; goto no_queue;
} }
#endif
#if 0
// DHCP packet? // DHCP packet?
else if (l_PacketLength >= sizeof (ETH_HEADER) + sizeof (IPHDR) + sizeof (UDPHDR) + sizeof (DHCP) else if (l_PacketLength >= sizeof (ETH_HEADER) + sizeof (IPHDR) + sizeof (UDPHDR) + sizeof (DHCP)
&& eth->proto == htons (ETH_P_IP) && eth->proto == htons (ETH_P_IP)
@ -1715,6 +1722,7 @@ AdapterTransmit (IN NDIS_HANDLE p_AdapterContext,
goto no_queue; goto no_queue;
} }
} }
#endif
//=============================================== //===============================================
// In Point-To-Point mode, check to see whether // In Point-To-Point mode, check to see whether
@ -1723,7 +1731,8 @@ AdapterTransmit (IN NDIS_HANDLE p_AdapterContext,
// (to be handled locally), and the rest is forwarded // (to be handled locally), and the rest is forwarded
// all other protocols are dropped // all other protocols are dropped
//=============================================== //===============================================
if (l_Adapter->m_tun) #if 0
if (l_Adapter->m_tun)
{ {
ETH_HEADER *e; ETH_HEADER *e;
@ -1790,8 +1799,9 @@ AdapterTransmit (IN NDIS_HANDLE p_AdapterContext,
l_PacketBuffer->m_SizeFlags |= TP_TUN; l_PacketBuffer->m_SizeFlags |= TP_TUN;
} }
} }
#endif
//=============================================== //===============================================
// Push packet onto queue to wait for read from // Push packet onto queue to wait for read from
// userspace. // userspace.
//=============================================== //===============================================
@ -2051,6 +2061,7 @@ TapDeviceHook (IN PDEVICE_OBJECT p_DeviceObject, IN PIRP p_IRP)
} }
#endif #endif
#if 0
case TAP_WIN_IOCTL_CONFIG_TUN: case TAP_WIN_IOCTL_CONFIG_TUN:
{ {
if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >= if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >=
@ -2097,7 +2108,9 @@ TapDeviceHook (IN PDEVICE_OBJECT p_DeviceObject, IN PIRP p_IRP)
break; break;
} }
#endif
#if 0
case TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT: // Obsoleted by TAP_WIN_IOCTL_CONFIG_TUN case TAP_WIN_IOCTL_CONFIG_POINT_TO_POINT: // Obsoleted by TAP_WIN_IOCTL_CONFIG_TUN
{ {
if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >= if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >=
@ -2136,6 +2149,7 @@ TapDeviceHook (IN PDEVICE_OBJECT p_DeviceObject, IN PIRP p_IRP)
break; break;
} }
#endif
case TAP_WIN_IOCTL_SET_MEDIA_STATUS: case TAP_WIN_IOCTL_SET_MEDIA_STATUS:
{ {
@ -2154,6 +2168,7 @@ TapDeviceHook (IN PDEVICE_OBJECT p_DeviceObject, IN PIRP p_IRP)
break; break;
} }
#if 0
case TAP_WIN_IOCTL_CONFIG_DHCP_MASQ: case TAP_WIN_IOCTL_CONFIG_DHCP_MASQ:
{ {
if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >= if (l_IrpSp->Parameters.DeviceIoControl.InputBufferLength >=
@ -2220,6 +2235,7 @@ TapDeviceHook (IN PDEVICE_OBJECT p_DeviceObject, IN PIRP p_IRP)
break; break;
} }
#endif
default: default:
{ {
@ -2370,6 +2386,7 @@ TapDeviceHook (IN PDEVICE_OBJECT p_DeviceObject, IN PIRP p_IRP)
p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL; p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL;
p_IRP->IoStatus.Information = 0; p_IRP->IoStatus.Information = 0;
} }
#if 0
else if (!l_Adapter->m_tun && ((l_IrpSp->Parameters.Write.Length) >= ETHERNET_HEADER_SIZE)) else if (!l_Adapter->m_tun && ((l_IrpSp->Parameters.Write.Length) >= ETHERNET_HEADER_SIZE))
{ {
__try __try
@ -2414,6 +2431,8 @@ TapDeviceHook (IN PDEVICE_OBJECT p_DeviceObject, IN PIRP p_IRP)
p_IRP->IoStatus.Information = 0; p_IRP->IoStatus.Information = 0;
} }
} }
#endif
#if 0
else if (l_Adapter->m_tun && ((l_IrpSp->Parameters.Write.Length) >= IP_HEADER_SIZE)) else if (l_Adapter->m_tun && ((l_IrpSp->Parameters.Write.Length) >= IP_HEADER_SIZE))
{ {
__try __try
@ -2467,6 +2486,7 @@ TapDeviceHook (IN PDEVICE_OBJECT p_DeviceObject, IN PIRP p_IRP)
p_IRP->IoStatus.Information = 0; p_IRP->IoStatus.Information = 0;
} }
} }
#endif
else else
{ {
DEBUGP (("[%s] Bad buffer size in IRP_MJ_WRITE, len=%d\n", DEBUGP (("[%s] Bad buffer size in IRP_MJ_WRITE, len=%d\n",
@ -2827,7 +2847,8 @@ SetMediaStatus (TapAdapterPointer p_Adapter, BOOLEAN state)
VOID VOID
CheckIfDhcpAndTunMode (TapAdapterPointer p_Adapter) CheckIfDhcpAndTunMode (TapAdapterPointer p_Adapter)
{ {
if (p_Adapter->m_tun && p_Adapter->m_dhcp_enabled) #if 0
if (p_Adapter->m_tun && p_Adapter->m_dhcp_enabled)
{ {
if ((p_Adapter->m_dhcp_server_ip & p_Adapter->m_remoteNetmask) == p_Adapter->m_remoteNetwork) if ((p_Adapter->m_dhcp_server_ip & p_Adapter->m_remoteNetmask) == p_Adapter->m_remoteNetwork)
{ {
@ -2835,8 +2856,10 @@ CheckIfDhcpAndTunMode (TapAdapterPointer p_Adapter)
p_Adapter->m_dhcp_server_arp = FALSE; p_Adapter->m_dhcp_server_arp = FALSE;
} }
} }
#endif
} }
#if 0
//=================================================== //===================================================
// Generate an ARP reply message for specific kinds // Generate an ARP reply message for specific kinds
// ARP queries. // ARP queries.
@ -2855,7 +2878,7 @@ ProcessARP (TapAdapterPointer p_Adapter,
if (src->m_Proto == htons (ETH_P_ARP) if (src->m_Proto == htons (ETH_P_ARP)
&& MAC_EQUAL (src->m_MAC_Source, p_Adapter->m_MAC) && MAC_EQUAL (src->m_MAC_Source, p_Adapter->m_MAC)
&& MAC_EQUAL (src->m_ARP_MAC_Source, p_Adapter->m_MAC) && MAC_EQUAL (src->m_ARP_MAC_Source, p_Adapter->m_MAC)
&& MAC_EQUAL (src->m_MAC_Destination, p_Adapter->m_MAC_Broadcast) && MAC_EQUAL (src->m_MAC_Destination, p_Adapter->m_MAC_Broadcast)
&& src->m_ARP_Operation == htons (ARP_REQUEST) && src->m_ARP_Operation == htons (ARP_REQUEST)
&& src->m_MAC_AddressType == htons (MAC_ADDR_TYPE) && src->m_MAC_AddressType == htons (MAC_ADDR_TYPE)
&& src->m_MAC_AddressSize == sizeof (MACADDR) && src->m_MAC_AddressSize == sizeof (MACADDR)
@ -2902,6 +2925,7 @@ ProcessARP (TapAdapterPointer p_Adapter,
else else
return FALSE; return FALSE;
} }
#endif
//=============================================================== //===============================================================
// Used in cases where internally generated packets such as // Used in cases where internally generated packets such as
@ -3003,6 +3027,7 @@ InjectPacketNow (TapAdapterPointer p_Adapter,
//=================================================================== //===================================================================
VOID ResetTapAdapterState (TapAdapterPointer p_Adapter) VOID ResetTapAdapterState (TapAdapterPointer p_Adapter)
{ {
#if 0
// Point-To-Point // Point-To-Point
p_Adapter->m_tun = FALSE; p_Adapter->m_tun = FALSE;
p_Adapter->m_localIP = 0; p_Adapter->m_localIP = 0;
@ -3023,6 +3048,7 @@ VOID ResetTapAdapterState (TapAdapterPointer p_Adapter)
p_Adapter->m_dhcp_received_discover = FALSE; p_Adapter->m_dhcp_received_discover = FALSE;
p_Adapter->m_dhcp_bad_requests = 0; p_Adapter->m_dhcp_bad_requests = 0;
NdisZeroMemory (p_Adapter->m_dhcp_server_mac, sizeof (MACADDR)); NdisZeroMemory (p_Adapter->m_dhcp_server_mac, sizeof (MACADDR));
#endif
} }
#if ENABLE_NONADMIN #if ENABLE_NONADMIN

View file

@ -136,6 +136,7 @@ typedef struct _TapAdapter
// Adapter power state // Adapter power state
char m_DeviceState; char m_DeviceState;
#if 0
// Info for point-to-point mode // Info for point-to-point mode
BOOLEAN m_tun; BOOLEAN m_tun;
IPADDR m_localIP; IPADDR m_localIP;
@ -145,7 +146,9 @@ typedef struct _TapAdapter
ETH_HEADER m_UserToTap; ETH_HEADER m_UserToTap;
ETH_HEADER m_UserToTap_IPv6; // same as UserToTap but proto=ipv6 ETH_HEADER m_UserToTap_IPv6; // same as UserToTap but proto=ipv6
MACADDR m_MAC_Broadcast; MACADDR m_MAC_Broadcast;
#endif
#if 0
// Used for DHCP server masquerade // Used for DHCP server masquerade
BOOLEAN m_dhcp_enabled; BOOLEAN m_dhcp_enabled;
IPADDR m_dhcp_addr; IPADDR m_dhcp_addr;
@ -158,6 +161,7 @@ typedef struct _TapAdapter
ULONG m_dhcp_user_supplied_options_buffer_len; ULONG m_dhcp_user_supplied_options_buffer_len;
BOOLEAN m_dhcp_received_discover; BOOLEAN m_dhcp_received_discover;
ULONG m_dhcp_bad_requests; ULONG m_dhcp_bad_requests;
#endif
// Help to tear down the adapter by keeping // Help to tear down the adapter by keeping
// some state information on allocated // some state information on allocated