LPADAPTER PacketOpenAdapter( LPCTSTR AdapterName, int16 mode )
{
LPADAPTER lpAdapter;
BOOLEAN Result = TRUE;
D(bug("Packet32: PacketOpenAdapter\n"));
// May fail if user is not an Administrator.
StartPacketDriver( TEXT("B2ether") );
lpAdapter = (LPADAPTER)GlobalAllocPtr( GMEM_MOVEABLE|GMEM_ZEROINIT, sizeof(ADAPTER) );
if (lpAdapter==NULL) {
D(bug("Packet32: PacketOpenAdapter GlobalAlloc Failed\n"));
return NULL;
}
TCHAR device_name[256];
_sntprintf(lpAdapter->SymbolicLink, lengthof(lpAdapter->SymbolicLink), TEXT("\\\\.\\B2ether_%s"), AdapterName );
_sntprintf(device_name, lengthof(device_name), TEXT("\\Device\\B2ether_%s"), AdapterName );
// Work around one subtle NT4 bug.
DefineDosDevice(
DDD_REMOVE_DEFINITION,
&lpAdapter->SymbolicLink[4],
NULL
);
DefineDosDevice(
DDD_RAW_TARGET_PATH,
&lpAdapter->SymbolicLink[4],
device_name
);
packet_filter = NDIS_PACKET_TYPE_DIRECTED |
NDIS_PACKET_TYPE_MULTICAST |
NDIS_PACKET_TYPE_BROADCAST;
if(mode == ETHER_MULTICAST_ALL) packet_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
if(mode == ETHER_MULTICAST_PROMISCUOUS) packet_filter |= NDIS_PACKET_TYPE_PROMISCUOUS;
if (Result) {
lpAdapter->hFile = CreateFile(lpAdapter->SymbolicLink,
GENERIC_WRITE | GENERIC_READ,
0,
NULL,
// (os == VER_PLATFORM_WIN32_NT) ? CREATE_ALWAYS : OPEN_EXISTING,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
0
);
if (lpAdapter->hFile != INVALID_HANDLE_VALUE) {
if(*AdapterName && _tcscmp(AdapterName,TEXT("<None>")) != 0) {
PacketSetFilter( lpAdapter, packet_filter );
}
return lpAdapter;
}
}
D(bug("Packet32: PacketOpenAdapter Could not open adapter\n"));
GlobalFreePtr( lpAdapter );
return NULL;
}
//---------------------------------------------------------------------------
BOOL APIENTRY DllMain (HANDLE hModule,
DWORD dwReason,
LPVOID lpReserved)
{
BOOL Status;
ODS ("Packet32: DllEntry\n");
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
Status = StartPacketDriver (TEXT ("PACKET"));
break;
case DLL_PROCESS_DETACH:
Status = StopPacketDriver ();
break;
default:
Status = TRUE;
break;
}
return Status;
}
