Class: Bwrap::Args::Network

Inherits:
Object
  • Object
show all
Includes:
Output
Defined in:
lib/bwrap/args/network.rb

Overview

Network related binds.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Output

debug?, debug_output, error_output, handle_output_options, info_output, quiet?, trace?, trace_output, verb_output, verbose?, warn_output

Constructor Details

#initialize(args) ⇒ Network

Returns a new instance of Network.

Parameters:



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# File 'lib/bwrap/args/network.rb', line 14

def initialize args
  @args = args
end

Instance Attribute Details

#config=(value) ⇒ Object (writeonly)

Instance of Config.



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# File 'lib/bwrap/args/network.rb', line 11

def config=(value)
  @config = value
end

Instance Method Details

#hostname ⇒ Object

Arguments to set hostname to whatever is configured.



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# File 'lib/bwrap/args/network.rb', line 19

def hostname
  return unless @config&.hostname

  debug "Setting hostname to #{@config.hostname}"
  @args.add :hostname, %W{ --hostname #{@config.hostname} }
end

#resolv_conf ⇒ Object

Arguments to read-only bind /etc/resolv.conf.

TODO: Probably it should be checked if target will have the symlink present before

doing this automatically. For that reason, now this will need a flag.



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# File 'lib/bwrap/args/network.rb', line 30

def resolv_conf
  return unless @config&.resolv_conf

  # We can’t really bind symlinks, so let’s resolve real path to resolv.conf, in case it is symlinked.
  source_resolv_conf = Pathname.new "/etc/resolv.conf"
  source_resolv_conf = source_resolv_conf.realpath

  debug "Binding #{source_resolv_conf} as /etc/resolv.conf"
  @args.add :resolv_conf, %W{ --ro-bind #{source_resolv_conf} /etc/resolv.conf }
end

#share_net ⇒ Object

Arguments to allow network connection inside sandbox.



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# File 'lib/bwrap/args/network.rb', line 42

def share_net
  return unless @config&.share_net

  verb "Sharing network"
  @args.add :network, %w{ --share-net }
end