public void Authenticate(string username, string password)
{
PacketGeneral packet_auth = new PacketGeneral(Packet.SSH_MSG_USERAUTH_REQUEST);
packet_auth.GetStreamWriter().WriteString("ssh-userauth");
SendPacket(crypto_encryptor, packet_auth);
Packet packet = RecvPacket(crypto_decryptor);
if (packet.Message == Packet.SSH_MSG_SERVICE_ACCEPT)
{
Console.WriteLine("SSH_MSG_SERVICE_ACCEPT");
}
packet_auth = new PacketGeneral(50);
NetworkByteWriter nbw_cache = packet_auth.GetStreamWriter();
//SSH_MSG_USERAUTH_REQUEST
nbw_cache.WriteString(username);
nbw_cache.WriteString("ssh-connection");
nbw_cache.WriteString("password");
nbw_cache.WriteByte((byte)0);
nbw_cache.WriteString(password);
SendPacket(crypto_encryptor, packet_auth);
packet = RecvPacket(crypto_decryptor);
if (Packet.SSH_MSG_USERAUTH_SUCCESS == packet.Message)
{
Console.WriteLine("oh ya!");
}
}
public void Authenticate(string username, string password)
{
PacketGeneral packet_auth = new PacketGeneral(Packet.SSH_MSG_USERAUTH_REQUEST);
packet_auth.GetStreamWriter().WriteString("ssh-userauth");
SendPacket(crypto_encryptor, packet_auth);
Packet packet = RecvPacket(crypto_decryptor);
if (packet.Message == Packet.SSH_MSG_SERVICE_ACCEPT)
{
Console.WriteLine("SSH_MSG_SERVICE_ACCEPT");
}
packet_auth = new PacketGeneral(50);
NetworkByteWriter nbw_cache = packet_auth.GetStreamWriter();
//SSH_MSG_USERAUTH_REQUEST
nbw_cache.WriteString(username);
nbw_cache.WriteString("ssh-connection");
nbw_cache.WriteString("password");
nbw_cache.WriteByte((byte)0);
nbw_cache.WriteString(password);
SendPacket(crypto_encryptor, packet_auth);
packet = RecvPacket(crypto_decryptor);
if (Packet.SSH_MSG_USERAUTH_SUCCESS == packet.Message)
{
Console.WriteLine("oh ya!");
}
}
public void KeyExchange(string algorithm)
{
DiffieHellman dh = new DiffieHellman(2);
BigInteger e = dh.GenerateExchangeValue();
verify_e = e;
PacketGeneral packet_dhkex = new PacketGeneral(Packet.SSH_MSG_KEXDH_INIT);
packet_dhkex.GetStreamWriter().WriteMPInt(e);
SendPacket(null, packet_dhkex);
Packet packet = RecvPacket(null);
PacketKeyExchangeDHReply packet_dhkex_reply = new PacketKeyExchangeDHReply(packet);
packet_dhkex_reply.Parse();
verify_k_s = packet_dhkex_reply.GetCertificates();
verify_sig = packet_dhkex_reply.GetSignature();
BigInteger f = packet_dhkex_reply.GetExchangeValue();
verify_f = f;
BigInteger K = dh.ComputeKey(f);
verify_k = K;
}
public void OpenChannel(VideoTerminal x)
{
PacketGeneral packet_openchannel = new PacketGeneral(90);
NetworkByteWriter nbw = packet_openchannel.GetStreamWriter();
nbw.WriteString("session");
nbw.WriteUInt32(0);
nbw.WriteUInt32(1048576);
nbw.WriteUInt32(16384);
SendPacket(crypto_encryptor, packet_openchannel);
Packet packet = RecvPacket(crypto_decryptor);
NetworkByteReader nbr = packet.GenerateReader();
nbr.ReadByte();
uint recipient_channel = nbr.ReadUInt32();
uint sender_channel = nbr.ReadUInt32();
uint initial_window_size = nbr.ReadUInt32();
uint maximum_packet_size = nbr.ReadUInt32();
PacketGeneral packet_pty = new PacketGeneral(Packet.SSH_MSG_CHANNEL_REQUEST);
nbw = packet_pty.GetStreamWriter();
nbw.WriteUInt32(recipient_channel);
nbw.WriteString("pty-req");
nbw.WriteByte(0);
nbw.WriteString("vt100");
nbw.WriteUInt32(80);
nbw.WriteUInt32(24);
nbw.WriteUInt32(640);
nbw.WriteUInt32(480);
nbw.WriteString("");
SendPacket(crypto_encryptor, packet_pty);
PacketGeneral packet_shell = new PacketGeneral(Packet.SSH_MSG_CHANNEL_REQUEST);
nbw = packet_shell.GetStreamWriter();
nbw.WriteUInt32(recipient_channel);
nbw.WriteString("shell");
nbw.WriteByte(0);
SendPacket(crypto_encryptor, packet_shell);
while (true)
{
if (RecvAvailable())
{
packet = RecvPacket(crypto_decryptor);
switch (packet.Message)
{
case Packet.SSH_MSG_CHANNEL_WINDOW_ADJUST:
break;
case Packet.SSH_MSG_CHANNEL_DATA:
PacketChannelData p = new PacketChannelData(packet);
p.Parse();
x.HandleServerData(p.data);
break;
default:
break;
}
}
else
{
string data = x.GetClientData();
if (data.Length!= 0) {
PacketGeneral packet_key = new PacketGeneral(Packet.SSH_MSG_CHANNEL_DATA);
nbw = packet_key.GetStreamWriter();
nbw.WriteUInt32(recipient_channel);
nbw.WriteString(data);
SendPacket(crypto_encryptor, packet_key);
}
}
}
}
public void KeyExchange(string algorithm)
{
DiffieHellman dh = new DiffieHellman(2);
BigInteger e = dh.GenerateExchangeValue();
verify_e = e;
PacketGeneral packet_dhkex = new PacketGeneral(Packet.SSH_MSG_KEXDH_INIT);
packet_dhkex.GetStreamWriter().WriteMPInt(e);
SendPacket(null, packet_dhkex);
Packet packet = RecvPacket(null);
PacketKeyExchangeDHReply packet_dhkex_reply = new PacketKeyExchangeDHReply(packet);
packet_dhkex_reply.Parse();
verify_k_s = packet_dhkex_reply.GetCertificates();
verify_sig = packet_dhkex_reply.GetSignature();
BigInteger f = packet_dhkex_reply.GetExchangeValue();
verify_f = f;
BigInteger K = dh.ComputeKey(f);
verify_k = K;
}
public void OpenChannel(VideoTerminal x)
{
PacketGeneral packet_openchannel = new PacketGeneral(90);
NetworkByteWriter nbw = packet_openchannel.GetStreamWriter();
nbw.WriteString("session");
nbw.WriteUInt32(0);
nbw.WriteUInt32(1048576);
nbw.WriteUInt32(16384);
SendPacket(crypto_encryptor, packet_openchannel);
Packet packet = RecvPacket(crypto_decryptor);
NetworkByteReader nbr = packet.GenerateReader();
nbr.ReadByte();
uint recipient_channel = nbr.ReadUInt32();
uint sender_channel = nbr.ReadUInt32();
uint initial_window_size = nbr.ReadUInt32();
uint maximum_packet_size = nbr.ReadUInt32();
PacketGeneral packet_pty = new PacketGeneral(Packet.SSH_MSG_CHANNEL_REQUEST);
nbw = packet_pty.GetStreamWriter();
nbw.WriteUInt32(recipient_channel);
nbw.WriteString("pty-req");
nbw.WriteByte(0);
nbw.WriteString("vt100");
nbw.WriteUInt32(80);
nbw.WriteUInt32(24);
nbw.WriteUInt32(640);
nbw.WriteUInt32(480);
nbw.WriteString("");
SendPacket(crypto_encryptor, packet_pty);
PacketGeneral packet_shell = new PacketGeneral(Packet.SSH_MSG_CHANNEL_REQUEST);
nbw = packet_shell.GetStreamWriter();
nbw.WriteUInt32(recipient_channel);
nbw.WriteString("shell");
nbw.WriteByte(0);
SendPacket(crypto_encryptor, packet_shell);
while (true)
{
if (RecvAvailable())
{
packet = RecvPacket(crypto_decryptor);
switch (packet.Message)
{
case Packet.SSH_MSG_CHANNEL_WINDOW_ADJUST:
break;
case Packet.SSH_MSG_CHANNEL_DATA:
PacketChannelData p = new PacketChannelData(packet);
p.Parse();
x.HandleServerData(p.data);
break;
default:
break;
}
}
else
{
string data = x.GetClientData();
if (data.Length != 0)
{
PacketGeneral packet_key = new PacketGeneral(Packet.SSH_MSG_CHANNEL_DATA);
nbw = packet_key.GetStreamWriter();
nbw.WriteUInt32(recipient_channel);
nbw.WriteString(data);
SendPacket(crypto_encryptor, packet_key);
}
}
}
}
