Class: TBM::Machine

Inherits:
Object
  • Object
show all
Defined in:
lib/TBM/machine.rb

Overview

The “Machine” class does all the actual interaction with SSH to perform the tunneling.

Instance Method Summary collapse

Constructor Details

#initialize(targets) ⇒ Machine

Initialize the Machine with a set of tunnels to bore

Parameters:

  • tunnels (Array<Target>) —

    the tunnels to be bored



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# File 'lib/TBM/machine.rb', line 11

def initialize( targets )
  @targets = targets
end

Instance Method Details

#bore ⇒ Object

Open a connection to the gateway server, and then set up (bore) any tunnels specified in the initialize method.



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# File 'lib/TBM/machine.rb', line 17

def bore
  puts "Starting #{APP_NAME} v#{VERSION}"
  puts

  trap("INT") { @cancelled = true }
  host = @targets.first.host
  username = @targets.first.username
  Net::SSH.start( host, username ) do |session|
    puts "Opened connection to #{username}@#{host}:"
    forward_ports( session )
  end

  puts "Shutting down the machine."
rescue Errno::ECONNRESET
  puts "\nConnection lost (reset). Shutting down the machine."
rescue Errno::ETIMEDOUT
  puts "\nConnection lost (timed out). Shutting down the machine."
rescue Errno::EADDRINUSE
  puts "\tPorts already in use, cannot forward.\n\nShutting down the machine."
rescue Errno::EACCES
  puts "\tCould not open all ports; you may need to sudo if port < 1000."
end