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require 'net/ssh/errors'
require 'net/ssh/authentication/methods/abstract'
module Net
module SSH
module Authentication
module Methods
# Implements the "none" SSH authentication method.
class None < Abstract
# Attempt to authenticate as "none"
def authenticate(next_service, user="", password="")
send_message(userauth_request(user, next_service, "none"))
message = session.next_message
case message.type
when USERAUTH_SUCCESS
debug { "none succeeded" }
return true
when USERAUTH_FAILURE
debug { "none failed" }
raise Net::SSH::Authentication::DisallowedMethod unless
message[:authentications].split(/,/).include? 'none'
return false
else
raise Net::SSH::Exception, "unexpected reply to USERAUTH_REQUEST: #{message.type} (#{message.inspect})"
end
end
end
end
end
end
end
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