private int _onConnect(IntPtr socket, IntPtr address, int addrSize)
{
var structure = Marshal.PtrToStructure <sockaddr_in>(address);
var ipAddress = new IPAddress(structure.sin_addr.S_addr);
var port = structure.sin_port;
if (_interface.LocalPortWhiteList().Contains(htons(port)) &&
ipAddress.ToString() is string str_ip &&
(str_ip == "127.0.0.1" || str_ip == "0.0.0.0" || str_ip == "")) // if local
{
return(connect(socket, address, addrSize));
}
_interface.Message($"Connection attempt at {ipAddress}:{htons(port)}, redirecting to 127.0.0.1:{_redirectionPort}...");
_interface.IpRedirected(new IPEndPoint(ipAddress, htons(port)), Process.GetCurrentProcess().Id, _redirectionPort);
var strucPtr = Marshal.AllocHGlobal(addrSize);
var struc = new sockaddr_in
{
sin_addr = { S_addr = inet_addr("127.0.0.1") },
sin_port = htons(_redirectionPort),
sin_family = (short)AddressFamily.InterNetworkv4,
};
Marshal.StructureToPtr(struc, strucPtr, true);
return(connect(socket, strucPtr, addrSize));
}
private int _onConnect(IntPtr socket, IntPtr address, int addrSize)
{
var structure = Marshal.PtrToStructure <sockaddr_in>(address);
var ipAddress = new IPAddress(structure.sin_addr.S_addr);
var port = structure.sin_port;
if (!_whitelist.Contains(ipAddress))
{
return(connect(socket, address, addrSize));
}
_interface.Message($"Connection attempt at {ipAddress}:{port}, redirecting to 127.0.0.1:{_redirectionPort}...");
var strucPtr = Marshal.AllocHGlobal(addrSize);
var struc = new sockaddr_in
{
sin_addr = { S_addr = inet_addr("127.0.0.1") },
sin_port = htons(_redirectionPort),
sin_family = (short)AddressFamily.InterNetworkv4,
};
Marshal.StructureToPtr(struc, strucPtr, true);
return(connect(socket, strucPtr, addrSize));
}
