Class: Dyndnsd::Daemon

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config, db, updater) ⇒ Daemon

Returns a new instance of Daemon.

Parameters:



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# File 'lib/dyndnsd.rb', line 53

def initialize(config, db, updater)
  @users = config['users']
  @domain = config['domain']
  @db = db
  @updater = updater

  @db.load
  @db['serial'] ||= 1
  @db['hosts'] ||= {}
  @updater.update(@db)
  if @db.changed?
    @db.save
  end
end

Class Method Details

.run! ⇒ void

This method returns an undefined value.



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# File 'lib/dyndnsd.rb', line 94

def self.run!
  if ARGV.length != 1
    puts 'Usage: dyndnsd config_file'
    exit 1
  end

  config_file = ARGV[0]

  if !File.file?(config_file)
    puts 'Config file not found!'
    exit 1
  end

  puts "DynDNSd version #{Dyndnsd::VERSION}"
  puts "Using config file #{config_file}"

  config = YAML.safe_load_file(config_file)

  setup_logger(config)

  Dyndnsd.logger.info 'Starting...'

  # drop privileges as soon as possible
  # NOTE: first change group than user
  if config['group']
    group = Etc.getgrnam(config['group'])
    Process::Sys.setgid(group.gid) if group
  end
  if config['user']
    user = Etc.getpwnam(config['user'])
    Process::Sys.setuid(user.uid) if user
  end

  setup_traps

  setup_monitoring(config)

  setup_tracing(config)

  setup_rack(config)
end

Instance Method Details

#authorized?(username, password) ⇒ Boolean

Parameters:

  • username (String)
  • password (String)

Returns:

  • (Boolean) 


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# File 'lib/dyndnsd.rb', line 71

def authorized?(username, password)
  Helper.span('check_authorized') do |span|
    span.set_attribute('enduser.id', username)

    allow = Helper.user_allowed?(username, password, @users)
    if !allow
      Dyndnsd.logger.warn "Login failed for #{username}"
      Metriks.meter('requests.auth_failed').mark
    end
    allow
  end
end

#call(env) ⇒ Array{Integer,Hash{String => String},Array<String>}

Parameters:

  • env (Hash{String => String})

Returns:

  • (Array{Integer,Hash{String => String},Array<String>}) 


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# File 'lib/dyndnsd.rb', line 86

def call(env)
  return [422, {'X-DynDNS-Response' => 'method_forbidden'}, []] if env['REQUEST_METHOD'] != 'GET'
  return [422, {'X-DynDNS-Response' => 'not_found'}, []] if env['PATH_INFO'] != '/nic/update'

  handle_dyndns_request(env)
end