Class: Spior::Ipv6

Inherits:
Object
  • Object
show all
Defined in:
lib/spior/ipv6.rb

Overview

Block or Allow ipv6 traffic with sysctl

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Ipv6

Returns a new instance of Ipv6.



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# File 'lib/spior/ipv6.rb', line 9

def initialize
  @dest = '/etc/sysctl.d/40-ipv6.conf'
  @cmdline_path = '/proc/cmdline'
  @opened = false
  collect_cmdline_args
  gen_flags
end

Instance Method Details

#allow ⇒ Object 



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# File 'lib/spior/ipv6.rb', line 17

def allow
  return if check_ipv6_disabled?

  @flags.each { |f| Helpers.cmd("sysctl -q -w '#{f}=0'") }
  Msg.p 'ipv6 allowed'
  Helpers.cmd("rm #{@dest}") if File.exist? @dest
end

#block ⇒ Object 



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# File 'lib/spior/ipv6.rb', line 25

def block
  return if check_ipv6_disabled?

  @flags.each { |f| Helpers.cmd("sysctl -q -w '#{f}=1'") }
  Msg.p 'ipv6 blocked'
end

#block_persist ⇒ Object 



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# File 'lib/spior/ipv6.rb', line 32

def block_persist
  return if check_ipv6_disabled?

  Auth.new.mkdir '/etc/sysctl.d'
  myflags = []
  @flags.each { |f| myflags << "#{f}=1" }
  File.write('/tmp/flags.conf', myflags.join("\n"))
  Helpers.cmd("cp /tmp/flags.conf #{@dest}")
end