private void Authenticate(string method)
{
IPacket request;
identity = method == "publickey" && keyfiles != null && keyfiles.Length > 0 && currentkey < keyfiles.Length ?
IdentityFile.Create(keyfiles[currentkey++]) : null;
if (identity != null && session.PassphraseFunction != null)
{
identity.PassphraseFunction = session.PassphraseFunction;
}
if (method == "publickey")
{
request = new SshUserAuthRequestPublicKey(session.Username, identity);
}
else if (method == "password")
{
request = new SshUserAuthRequestPassword(session.Username, session.Password);
}
else
{
request = new SshUserAuthRequest(session.Username);
}
session.Socket.WritePacket(request);
}
public SshUserAuthRequestPublicKey(string username, IIdentityFile identity)
: this()
{
Username = username;
Method = "publickey";
AlgorithmName = identity.AlgorithmName;
PublicKey = identity.PublicKey;
}
public SshUserAuthRequestSignature(string username, IIdentityFile identity, byte[] sessionId)
: base(username, identity)
{
var buffer = SshUserAuthRequestPublicKey.CreateForSignature(username, identity).ToSshMessage();
using (var pw1 = new PacketWriter())
{
pw1.WriteString(sessionId);
pw1.Write(buffer);
using (var pw2 = new PacketWriter())
{
pw2.WriteBytes(identity.AlgorithmName);
pw2.WriteString(identity.Sign(((MemoryStream)pw1.BaseStream).ToArray()));
Signature = ((MemoryStream)pw2.BaseStream).ToArray();
}
}
}
internal static SshUserAuthRequestPublicKey CreateForSignature(string username, IIdentityFile identity)
{
var p = new SshUserAuthRequestPublicKey(username, identity)
{
SignatureIncluded = true
};
return(p);
}
public static SecureString ConsolePassphraseFunction(IIdentityFile identity)
{
return(ConsolePrompt("Passphrase: ", true));
}
