C and ruby

loop.c

int authenticate(ssh_session session) {
	ssh_message message;
	do {
		message=ssh_message_get(session);
		if(!message)
			break;
		switch(ssh_message_type(message)){
			case SSH_REQUEST_AUTH:
			switch(ssh_message_subtype(message)){
				case SSH_AUTH_METHOD_PASSWORD:
				printf("User %s wants to auth with pass %s\n",
					ssh_message_auth_user(message),
					ssh_message_auth_password(message));
				if(auth_password(ssh_message_auth_user(message),
					ssh_message_auth_password(message))){
					ssh_message_auth_reply_success(message,0);
					ssh_message_free(message);
				return 1;
			}
			ssh_message_auth_set_methods(message,
				SSH_AUTH_METHOD_PASSWORD |
				SSH_AUTH_METHOD_INTERACTIVE);// not authenticated, send default message
			ssh_message_reply_default(message);
			break;
			case SSH_AUTH_METHOD_NONE:
			default:
			printf("User %s wants to auth with unknown auth %d\n",
				ssh_message_auth_user(message),
				ssh_message_subtype(message));
			ssh_message_auth_set_methods(message,
				SSH_AUTH_METHOD_PASSWORD |
				SSH_AUTH_METHOD_INTERACTIVE);
			ssh_message_reply_default(message);
			break;
		}
		break;
		default:
		ssh_message_auth_set_methods(message,
			SSH_AUTH_METHOD_PASSWORD |
			SSH_AUTH_METHOD_INTERACTIVE);
		ssh_message_reply_default(message);
	}
	ssh_message_free(message);
} while (1);
return 0;
}

loop.rb

while true do 
	SSHSocket.ssh_message_get(sshsession) do |msg|
		puts msg
		type = SSHSocket.ssh_message_type(msg)
		puts type
		case type
			when Messages_General::SSH_REQUEST_AUTH
				subtype = SSHSocket.ssh_message_subtype(msg)
				puts subtype
				case subtype
					when Messages_Auth::SSH_AUTH_METHOD_PASSWORD
						user_ssh = SSHSocket.ssh_message_auth_user(msg)
						pass_ssh = SSHSocket.ssh_message_auth_password(msg)
						puts user_ssh, pass_ssh
				end	
			else
				SSHSocket.ssh_message_auth_set_methods(msg,SSH_AUTH_METHOD_PASSWORD | SSH_AUTH_METHOD_INTERACTIVE);
				SSHSocket.ssh_message_reply_default(msg);
		end
		SSHSocket.ssh_message_free(msg)
	end
end