/// <summary>
/// Send an authentication request. This method will be called from the <see cref="Maverick.SSH2.SSH2AuthenticationClient.Authenticate"/>
/// method to initiate the authentication proceedure.
/// </summary>
/// <param name="username"></param>
/// <param name="servicename"></param>
/// <param name="methodname"></param>
/// <param name="requestdata"></param>
public void SendRequest(String username,
String servicename,
String methodname,
byte[] requestdata)
{
try
{
SSHPacket packet = transport.GetSSHPacket(true);
packet.WriteByte(SSH_MSG_USERAUTH_REQUEST);
packet.WriteString(username);
packet.WriteString(servicename);
packet.WriteString(methodname);
if (requestdata != null)
{
packet.WriteBytes(requestdata);
}
transport.SendMessage(packet);
}
catch (IOException ex)
{
throw new SSHException(ex.Message,
SSHException.INTERNAL_ERROR);
}
}
/// <summary>
/// Opens a channel
/// </summary>
/// <param name="channel"></param>
/// <param name="requestdata"></param>
public void OpenChannel(SSH2Channel channel, byte[] requestdata)
{
lock (this)
{
try
{
int channelid = AllocateChannel(channel);
if (channelid == -1)
{
throw new ChannelOpenException("Maximum number of channels exceeded",
ChannelOpenException.RESOURCE_SHORTAGE);
}
channel.Init(this, channelid);
SSHPacket packet = GetPacket();
packet.WriteByte(SSH_MSG_CHANNEL_OPEN);
packet.WriteString(channel.Name);
packet.WriteUINT32(channel.ChannelID);
packet.WriteUINT32(channel.WindowSize);
packet.WriteUINT32(channel.PacketSize);
if (requestdata != null)
{
packet.WriteBytes(requestdata);
}
#if DEBUG
System.Diagnostics.Trace.WriteLine("Sending SSH_MSG_CHANNEL_OPEN");
System.Diagnostics.Trace.WriteLine("Channelid=" + channel.ChannelID);
System.Diagnostics.Trace.WriteLine("Name=" + channel.Name);
#endif
transport.SendMessage(packet);
packet = channel.MessageStore.NextMessage(CHANNEL_OPEN_RESPONSE_MESSAGES);
#if DEBUG
System.Diagnostics.Trace.WriteLine("Received reply to SSH_MSG_CHANNEL_OPEN");
channel.LogMessage(packet);
#endif
if (packet.MessageID == SSH_MSG_CHANNEL_OPEN_FAILURE)
{
FreeChannel(channel);
int reason = (int)packet.ReadUINT32();
throw new ChannelOpenException(packet.ReadString(), reason);
}
else
{
int remoteid = (int)packet.ReadUINT32();
int remotewindow = (int)packet.ReadUINT32();
int remotepacket = (int)packet.ReadUINT32();
byte[] responsedata = new byte[packet.Available];
packet.ReadBytes(responsedata);
channel.Open(remoteid, remotewindow, remotepacket, responsedata);
return;
}
}
catch (System.IO.IOException ex)
{
throw new SSHException(ex.Message, SSHException.INTERNAL_ERROR);
}
}
}
