Class: MyPKI::SSH

Inherits:
Object
  • Object
show all
Includes:
Configuration::Loader, Prompter
Defined in:
lib/mypki/loaders/ssh.rb

Instance Attribute Summary

Attributes included from Configuration::Loader

#options

Instance Method Summary collapse

Methods included from Configuration::Loader

#configure, included

Methods included from Prompter

#file_prompt, #pass_prompt, #prompter

Constructor Details

#initialize(options) ⇒ SSH

Returns a new instance of SSH.



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# File 'lib/mypki/loaders/ssh.rb', line 9

def initialize options
  super options
  
  if options[:ssh]
    Prompter.send :alias_method, :original, :pass_prompt
    Prompter.send(:define_method, :pass_prompt) do |*a| 
      options[:password] = original *a
    end
  end
end

Instance Method Details

#load(config) ⇒ Object 



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# File 'lib/mypki/loaders/ssh.rb', line 20

def load config
  if options[:ssh] and Instance.cert and Instance.key
    ssh_path = File.expand_path '~/.ssh/'
    FileUtils.mkdir ssh_path unless File.exist? ssh_path
    FileUtils.chmod 0700, ssh_path
    
    key_path = File.expand_path '~/.ssh/id_rsa'
    pub_path = File.expand_path '~/.ssh/id_rsa.pub'
    authorized_keys = File.expand_path '~/.ssh/authorized_keys'
    
    if password = options.delete(:password)
      pass = Shellwords.escape password
      result = `echo "#{Instance.key.to_pem}" | \
      openssl pkcs8 -topk8 -out #{key_path} -v2 des3 -passout pass:#{pass} 2>&1`
    else
      result = `echo "#{Instance.key.to_pem}" | \
      openssl pkcs8 -topk8 -out #{key_path} -v2 des3 -nocrypt 2>&1`
    end
    
    fail result unless result.empty?
    FileUtils.chmod 0600, key_path
    
    if password
      `ssh-keygen -f #{key_path} -y -P #{pass} > #{pub_path}`
    else
      `ssh-keygen -f #{key_path} -y > #{pub_path}`
    end
    
    FileUtils.cp pub_path, authorized_keys 
  end
end