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#--
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# CyborgHood, a distributed system management software.
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# Copyright (c) 2009-2010 Marc Dequènes (Duck) <Duck@DuckCorp.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#++
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require 'eventmachine'
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module CyborgHood
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class BotServer
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private_class_method :new
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def self.build
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case Config.instance.botnet.connection_type
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when 'unix_socket'
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return BotServerUNIXSocket.new
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else
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raise CyberError.new(:unrecoverable, "config", "Unknown botnet connection type")
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end
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end
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def initialize
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@config = Config.instance
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end
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def run
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EventMachine.run do
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yield
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end
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end
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def stop
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EventMachine.stop
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end
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end
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class BotServerUNIXSocket < BotServer
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public_class_method :new
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def initialize
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super
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@socket = File.join(Config::RUN_DIR, @config.bot_name.downcase + ".sock")
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at_exit { remove_socket_file }
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end
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def run
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super do
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EventMachine.start_unix_domain_server(@socket, ConversationUNIXSocket)
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end
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end
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private
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def remove_socket_file
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File.delete(@socket) if @socket && File.exist?(@socket)
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end
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end
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class Conversation < EventMachine::Protocols::LineAndTextProtocol
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private_class_method :new
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def initialize(*args)
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super
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@config = Config.instance
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end
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def send_line(msg)
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send_data "#{msg}\r\n"
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end
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def post_init
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logger.debug "New conversation with #{identifier}"
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send_line "220 #{PRODUCT} #{VERSION} - #{@config.bot_name}"
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end
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def receive_line(data)
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logger.debug "Received [#{identifier}]: #{data}"
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end
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def receive_error(msg)
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logger.error "Error [#{identifier}]: #{msg}"
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end
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def unbind
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logger.debug "Conversation finished with #{identifier}"
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end
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end
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class ConversationUNIXSocket < Conversation
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public_class_method :new
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def identifier
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"unix_socket/#{@signature}"
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end
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end
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end
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