private static Packet CreateServiceRequestMessage(SequencePool sequencePool)
{
using var packet = sequencePool.RentPacket();
var writer = packet.GetWriter();
writer.WriteByte(MessageNumber.SSH_MSG_SERVICE_REQUEST);
writer.WriteString("ssh-userauth");
return(packet.Move());
}
private static Packet CreatePasswordRequestMessage(SequencePool sequencePool, string userName, string password)
{
using var packet = sequencePool.RentPacket();
var writer = packet.GetWriter();
writer.WriteByte(MessageNumber.SSH_MSG_USERAUTH_REQUEST);
writer.WriteString(userName);
writer.WriteString("ssh-connection");
writer.WriteString("password");
writer.WriteBoolean(false);
writer.WriteString(password);
return(packet.Move());
}
private static Packet CreatePublicKeyRequestMessage(SequencePool sequencePool, string userName, byte[] sessionId, PrivateKey privateKey)
{
/*
* byte SSH_MSG_USERAUTH_REQUEST
* string user name
* string service name
* string "publickey"
* boolean TRUE
* string public key algorithm name
* string public key to be used for authentication
* string signature
*/
using var packet = sequencePool.RentPacket();
var writer = packet.GetWriter();
writer.WriteByte(MessageNumber.SSH_MSG_USERAUTH_REQUEST);
writer.WriteString(userName);
writer.WriteString("ssh-connection");
writer.WriteString("publickey");
writer.WriteBoolean(true);
writer.WriteString(privateKey.Format);
privateKey.AppendPublicKey(ref writer);
{
/*
* string session identifier
* byte SSH_MSG_USERAUTH_REQUEST
* string user name
* string service name
* string "publickey"
* boolean TRUE
* string public key algorithm name
* string public key to be used for authentication
*/
using var signatureData = sequencePool.RentSequence();
var signatureWriter = new SequenceWriter(signatureData);
signatureWriter.WriteString(sessionId);
signatureWriter.WriteByte(MessageNumber.SSH_MSG_USERAUTH_REQUEST);
signatureWriter.WriteString(userName);
signatureWriter.WriteString("ssh-connection");
signatureWriter.WriteString("publickey");
signatureWriter.WriteBoolean(true);
signatureWriter.WriteString(privateKey.Format);
privateKey.AppendPublicKey(ref signatureWriter);
privateKey.AppendSignature(ref writer, signatureData.AsReadOnlySequence());
}
return(packet.Move());
}
private Packet RentPacket() => _sequencePool.RentPacket();