Get a list of allowed SSH auth methods (for Ryan)

get_ssh_auth_methods.rb

require 'net/ssh'

transport_session = Net::SSH::Transport::Session.new('ryans-server.com')
transport_session.send_message(transport_session.service_request("ssh-userauth"))
auth_session = Net::SSH::Authentication::Session.new(transport_session)
auth_session.expect_message(Net::SSH::Transport::Constants::SERVICE_ACCEPT)
transport_session.send_message(Net::SSH::Authentication::Methods::Publickey.new(transport_session).userauth_request(false, false, false))

allowed_auth_methods = transport_session.next_message.instance_variable_get('@named_elements')[:authentications].split(',')
puts allowed_auth_methods.inspect