Class: Getch::FileSystem::Ext4::Encrypt::Void

Inherits:
Device
  • Object
show all
Includes:
Helpers::Void
Defined in:
lib/getch/filesystem/ext4/encrypt/void.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helpers::Void

#chroot, #command_output, #line_fstab, #s_uuid

Methods inherited from Device

#boot, #efi, #gpt, #home, #initialize, #root, #swap, #zcache, #zlog

Constructor Details

This class inherits a constructor from Getch::Device

Instance Attribute Details

#boot_disk ⇒ Object (readonly)

Returns the value of attribute boot_disk.



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# File 'lib/getch/filesystem/ext4/encrypt/void.rb', line 10

def boot_disk
  @boot_disk
end

Instance Method Details

#add_key(name, dev) ⇒ Object

Key need to be added in dracut.conf.d and crypttab



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# File 'lib/getch/filesystem/ext4/encrypt/void.rb', line 19

def add_key(name, dev)
  command "dd bs=1 count=64 if=/dev/urandom of=/boot/#{name}"
  puts " => Creating a key for #{dev}, password required:"
  chroot "cryptsetup luksAddKey #{dev} /boot/#{name}"
  command "chmod 000 /boot/#{name}"
  # command "chmod -R g-rwx,o-rwx /boot"
end

#create_key ⇒ Object

Create key to avoid enter password twice



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# File 'lib/getch/filesystem/ext4/encrypt/void.rb', line 13

def create_key
  add_key('volume.key', @dev_root)
  add_key('home.key', @dev_home) if @home_disk
end

#crypttab ⇒ Object 



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# File 'lib/getch/filesystem/ext4/encrypt/void.rb', line 27

def crypttab
  conf = "#{MOUNTPOINT}/etc/crypttab"
  File.write(conf, "\n", mode: 'w', chmod: 0644)
  line_crypttab('cryptswap', @dev_swap, '/dev/urandom', 'swap,discard,cipher=aes-xts-plain64:sha256,size=512') if @dev_swap
  line_crypttab('cryptroot', @dev_root, '/boot/volume.key', 'luks')
  line_crypttab('crypthome', @dev_home, '/boot/home.key', 'luks') if @home_disk
end

#finish ⇒ Object 



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# File 'lib/getch/filesystem/ext4/encrypt/void.rb', line 35

def finish
  puts '+ Enter in your system: chroot /mnt /bin/bash'
  puts '+ Reboot with: shutdown -r now'
end