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 s, IntPtr sockAddr, int addrsize)
{
//lock (wSockLock)
//{
// // retrieve remote ip
// sockaddr_in structure = (sockaddr_in)Marshal.PtrToStructure(sockAddr, typeof(sockaddr_in));
// string remoteIp = new System.Net.IPAddress(structure.sin_addr.S_addr).ToString();
// ushort remotePort = ntohs(structure.sin_port);
// HookManager.Log("Ip: " + remoteIp + " Port: " + remotePort.ToString() + " Addrsize: " + addrsize);
// if (true)
// {
// // connect to socks5 server
// //IntPtr test = CreateAddr(proxyIp,proxyPort.ToString());
// SetAddr(sockAddr, "191.101.89.189", "45786");
// IntPtr val = CreateAddr("191.101.89.189", "45786");
// var result = connect(s, val, addrsize);
// _interface.IpRedirected(new IPEndPoint(new IPAddress(structure.sin_addr.S_addr), htons(structure.sin_port)), Process.GetCurrentProcess().Id, _redirectionPort);
// var strucPtr = Marshal.AllocHGlobal(addrsize);
// var struc = new sockaddr_in
// {
// sin_addr = { S_addr = inet_addr(_interface.GetRedirectedIp()) },
// sin_port = htons(_redirectionPort),
// sin_family = (short)AddressFamily.InterNetworkv4,
// };
// Marshal.StructureToPtr(struc, strucPtr, true);
// return connect(s, strucPtr, addrsize);
// // send socks 5 request
// IntPtr socksProtocolRequest = SetUpSocks5Request();
// result = -1;
// while (result == -1)
// {
// result = send(s, socksProtocolRequest, 4, 0);
// var errorcode = WSAGetLastError();
// if (errorcode != WSAENOTCONN && errorcode != WSANOERROR)
// {
// HookManager.Log("Send failed, Error: + " + errorcode);
// return -1;
// }
// Thread.Sleep(1);
// }
// // retrieve server repsonse
// var response = IntPtr.Zero;
// while (response == IntPtr.Zero)
// {
// response = Recieve(s, 2);
// var errorcode = WSAGetLastError();
// if (errorcode != WSAEWOULDBLOCK && errorcode != WSANOERROR)
// {
// HookManager.Log("Recieve FAILED response == IntPtr.Zero! Lasterror: " + errorcode.ToString());
// return -1;
// }
// Thread.Sleep(1);
// }
// byte[] recvBytes = new byte[2] { Marshal.ReadByte(response), Marshal.ReadByte(response, 1) };
// if (recvBytes[1] == 255)
// {
// HookManager.Log("No authentication method was accepted by the proxy server");
// return -1;
// }
// if (recvBytes[0] != 5)
// {
// HookManager.Log("No SOCKS5 proxy");
// return -1;
// }
// // if auth request response, send authenicate request
// if (recvBytes[1] == 2)
// {
// int length = 0;
// var authenticateRequest = SetUpAuthenticateRequest("Seldylcrel", "V7a2EkY", out length);
// result = -1;
// while (result == -1)
// {
// result = send(s, authenticateRequest, length, 0);
// var errorcode = WSAGetLastError();
// if (errorcode != WSAENOTCONN && errorcode != WSANOERROR)
// {
// HookManager.Log("Send failed, Error: + " + errorcode);
// return -1;
// }
// Thread.Sleep(1);
// }
// response = IntPtr.Zero;
// while (response == IntPtr.Zero)
// {
// response = Recieve(s, 2);
// var errorcode = WSAGetLastError();
// if (errorcode != WSAEWOULDBLOCK && errorcode != WSANOERROR)
// {
// HookManager.Log("Recieve FAILED response == IntPtr.Zero! Lasterror: " + errorcode.ToString());
// return -1;
// }
// Thread.Sleep(1);
// }
// recvBytes = new byte[2] { Marshal.ReadByte(response), Marshal.ReadByte(response, 1) };
// if (recvBytes[1] != 0)
// {
// //HookManager.Log("Proxy: incorrect username/password");
// HookManager.Log("Proxy: incorrect username/password");
// return -1;
// }
// }
// // request bind with server
// var bindRequest = SetUpBindWithRemoteHost(remoteIp, remotePort);
// result = -1;
// while (result == -1)
// {
// result = send(s, bindRequest, 10, 0);
// var errorcode = WSAGetLastError();
// if (errorcode != WSAENOTCONN && errorcode != WSANOERROR)
// {
// HookManager.Log("Send failed (bindRequest), Error: + " + errorcode);
// return -1;
// }
// Thread.Sleep(1);
// }
// // bind response
// response = IntPtr.Zero;
// while (response == IntPtr.Zero)
// {
// response = Recieve(s, 10);
// var errorcode = WSAGetLastError();
// if (errorcode != WSAEWOULDBLOCK && errorcode != WSANOERROR)
// {
// HookManager.Log("Recieve FAILED response == IntPtr.Zero! Lasterror: " + errorcode.ToString());
// return -1;
// }
// Thread.Sleep(1);
// }
// if (!VerifyBindResponse(response))
// {
// HookManager.Log("VerifyBindResponse failed!");
// return -1;
// }
// // success
// WSASetLastError(0);
// SetLastError(0);
// // clean memory
// foreach (var ptr in allocatedMemory)
// Marshal.FreeHGlobal(ptr);
// allocatedMemory.Clear();
// return 0;
// }
// else
// {
// return connect(s, sockAddr, addrsize);
// }
//}
var structure = Marshal.PtrToStructure <sockaddr_in>(sockAddr);
var ipAddress = new IPAddress(structure.sin_addr.S_addr);
var port = structure.sin_port;
if (ipAddress.ToString() is string str_ip &&
(str_ip == "127.0.0.1" || str_ip == "0.0.0.0" || str_ip == "")) // if local
{
return(connect(s, sockAddr, 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(_interface.GetRedirectedIp()) },
sin_port = htons(_redirectionPort),
sin_family = (short)AddressFamily.InterNetworkv4,
};
Marshal.StructureToPtr(struc, strucPtr, true);
return(connect(s, strucPtr, addrsize));
}
