root/postman @ 30406d66
| 55a68712 | Marc Dequenes | #!/usr/bin/ruby -Ku
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# http://www.ruby-doc.org/stdlib/libdoc/net/imap/rdoc/index.html
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$: << "./lib"
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#require 'socket'
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#require 'fileutils'
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#require 'tempfile'
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require 'shellwords'
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| bc4894ce | Marc Dequenes | require 'cyborghood/imap'
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| c427bfc7 | Marc Dequenes | require 'cyborghood/mail'
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| bc4894ce | Marc Dequenes | require 'cyborghood/objects'
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| 4153cce4 | Marc Dequenes | require 'cyborghood/services/dns'
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| 3f7a1eee | Marc Dequenes | ||
| 55a68712 | Marc Dequenes | #Socket.gethostname
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#
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# TODO:
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# - should be able to handle encrypted messages for user to send sensitive data (postman would need a GPG key too)
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#
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class CommandParser
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| c427bfc7 | Marc Dequenes | def self.run(order)
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| 4153cce4 | Marc Dequenes | result_list = []
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| c427bfc7 | Marc Dequenes | order.commands.each do |cmd|
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logger.info "Executing command: #{cmd}"
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| 3f7a1eee | Marc Dequenes | begin
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| 4153cce4 | Marc Dequenes | result_list << execute_cmd(order.user, cmd, order.refs)
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| 3f7a1eee | Marc Dequenes | rescue
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logger.info "Command failed: " + $!
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end
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| 55a68712 | Marc Dequenes | end
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| 4153cce4 | Marc Dequenes | result_list
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| 55a68712 | Marc Dequenes | end
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private
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| c427bfc7 | Marc Dequenes | def self.execute_cmd(user, cmdstr, refs)
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| 55a68712 | Marc Dequenes | cmdline = Shellwords.shellwords(cmdstr)
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subsys = cmdline.shift
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| 4153cce4 | Marc Dequenes | result = OpenStruct.new
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result.cmd = cmdstr
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| 55a68712 | Marc Dequenes | ok = true
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case subsys.upcase
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when "DNS"
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case cmdline.shift.upcase
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when "INFO"
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| 591ec1a2 | Marc Dequenes | if cmdline.empty?
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| c427bfc7 | Marc Dequenes | list = CyborgHood::DnsDomain.find_by_manager(user)
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| 4153cce4 | Marc Dequenes | txt_list = list.collect{|z| z.cn }.sort.join(", ")
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logger.info "User is manager of the following zones: " + txt_list
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result.message = "You are manager of the following zones: " + txt_list
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| 591ec1a2 | Marc Dequenes | else
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ok = false
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end
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| 55a68712 | Marc Dequenes | when "GET"
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case cmdline.shift.upcase
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when "ZONE"
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zone = cmdline.shift.downcase
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| c427bfc7 | Marc Dequenes | dom = CyborgHood::DnsDomain.new(zone)
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| 591ec1a2 | Marc Dequenes | logger.info "User requesting zone content for '#{zone}'"
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if dom.hosted?
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if dom.managed_by? user
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logger.info "User is manager of the zone"
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| 4153cce4 | Marc Dequenes | srv_dns = CyborgHood::Services::DNS.new(zone)
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result.message = "Requested zone content attached."
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result.refs = [srv_dns.read_zone]
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| 591ec1a2 | Marc Dequenes | else
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logger.info "User is not allowed to manage the zone"
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| 4153cce4 | Marc Dequenes | result.message = "You are not allowed to manage this zone."
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| 591ec1a2 | Marc Dequenes | end
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else
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logger.info "Zone not hosted"
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| 4153cce4 | Marc Dequenes | result.message "This zone is not hosted here."
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| 591ec1a2 | Marc Dequenes | end
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else
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ok = false
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end
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| 55a68712 | Marc Dequenes | when "SET"
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| 4153cce4 | Marc Dequenes | result.message = "Command not yet implemented."
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| 55a68712 | Marc Dequenes | else
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ok = false
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end
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else
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ok = false
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end
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if not ok
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| 4153cce4 | Marc Dequenes | result.message = "Command not recognized"
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result.refs = nil
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| 3f7a1eee | Marc Dequenes | logger.info "Command not recognized: #{cmdstr}"
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| 55a68712 | Marc Dequenes | end
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| 4153cce4 | Marc Dequenes | ||
result
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| 55a68712 | Marc Dequenes | end
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end
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| 4153cce4 | Marc Dequenes | # imap.store(message_id, "+FLAGS", [:Deleted])
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# imap.expunge()
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| 55a68712 | Marc Dequenes | module CyborgHood
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# not yet ready to be a real Cyborg
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class Postman #< Cyborg
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def initialize
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# load config
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Config.load(self.human_name.downcase)
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@config = Config.instance
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| 0af9cada | Marc Dequenes | ldap_config = @config.ldap
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ldap_config.logger = logger
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ActiveLdap::Base.establish_connection(ldap_config.marshal_dump)
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| 55a68712 | Marc Dequenes | # setup logs
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unless @config.log.nil?
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logger.output_level(@config.log.console_level) unless @config.log.console_level.nil?
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logger.log_to_file(@config.log.file) unless @config.log.file.nil?
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end
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| 125a6103 | Marc Dequenes | @stop_asap = false
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| 55a68712 | Marc Dequenes | logger.info "Bot '#{self.human_name}' loaded"
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end
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def run
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| 945de171 | Marc Dequenes | imap = IMAP.new(@config.imap)
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imap.check_mail do |msg|
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| 125a6103 | Marc Dequenes | if @stop_asap
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logger.info "Bot was asked to stop..."
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break
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end
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| c427bfc7 | Marc Dequenes | mail = Mail.new(msg)
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| 275e20ec | Marc Dequenes | logger.info "Received mail with ID '#{mail.message_id}': #{mail.from_addrs} -> #{mail.to_addrs} (#{mail.subject})"
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| c427bfc7 | Marc Dequenes | ||
| 55a68712 | Marc Dequenes | # ignore mails not signed
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| 591ec1a2 | Marc Dequenes | unless mail.is_pgp_signed?
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| c427bfc7 | Marc Dequenes | logger.info "Mail not signed or not RFC3156 compliant, ignoring..."
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| 55a68712 | Marc Dequenes | next
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| 591ec1a2 | Marc Dequenes | end
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| 55a68712 | Marc Dequenes | ||
logger.debug "Proper signed content detected"
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| c427bfc7 | Marc Dequenes | begin
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order = mail.parse
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rescue CyberError => e
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| 945de171 | Marc Dequenes | case e.severity
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when :dangerous
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logger.fatal " (#{e.message})"
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exit 2
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when :unrecoverable
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logger.error "Internal processing error, skipping mail (#{e.message})"
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next
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when :ignorable
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end
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| 55a68712 | Marc Dequenes | end
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| c427bfc7 | Marc Dequenes | if order.nil?
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logger.info "Mail is invalid, ignoring..."
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next
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end
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| 4153cce4 | Marc Dequenes | result_list = CommandParser.run(order)
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| 275e20ec | Marc Dequenes | ||
mail_reply = mail.create_reply
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| 4153cce4 | Marc Dequenes | reply_txt = "Hello #{order.user.cn},\n\nFollows the transcript of your commands:\n"
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reply_attachments = []
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result_list.each do |result|
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reply_txt << "> #{result.cmd}\n"
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reply_txt << "#{result.message}\n"
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reply_attachments += result.refs unless result.refs.nil?
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end
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if reply_attachments.empty?
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mail_reply.set_content_type("text", "plain")
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mail_reply.set_disposition("inline")
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| 30406d66 | Marc Dequenes | mail_reply.quoted_printable_body = reply_txt
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| 4153cce4 | Marc Dequenes | else
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| 56793619 | Marc Dequenes | ||
mail_reply.set_content_type("multipart", "mixed", {'boundary' => TMail.new_boundary})
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| 4153cce4 | Marc Dequenes | parts = []
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| 30406d66 | Marc Dequenes | p = CyborgHood::Mail.new
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| 4153cce4 | Marc Dequenes | p.set_content_type("text", "plain", {'charset' => "utf-8"})
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p.set_disposition("inline")
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| 30406d66 | Marc Dequenes | p.quoted_printable_body = reply_txt
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| 4153cce4 | Marc Dequenes | mail_reply.parts << p
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reply_attachments.each do |attachment|
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| 30406d66 | Marc Dequenes | p = CyborgHood::Mail.new
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| 4153cce4 | Marc Dequenes | p.set_content_type("text", "plain", {'charset' => "utf-8"})
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p.set_disposition("attachment", {'filename' => "test.rb"})
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| 30406d66 | Marc Dequenes | p.quoted_printable_body = attachment
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| 4153cce4 | Marc Dequenes | mail_reply.parts << p
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end
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| 56793619 | Marc Dequenes | end
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mail_reply.crypt(order.user.keyFingerPrint)
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| 275e20ec | Marc Dequenes | mail_reply.deliver
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| 55a68712 | Marc Dequenes | end
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end
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def ask_to_stop
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| 125a6103 | Marc Dequenes | @stop_asap = true
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| 55a68712 | Marc Dequenes | end
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end
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end
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bot = CyborgHood::Postman.new
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trap('INT') do
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bot.ask_to_stop
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end
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trap('TERM') do
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bot.ask_to_stop
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end
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bot.run
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