Class: Bootloader::TrustedBootWidget
- Inherits:
-
CWM::CheckBox
- Object
- CWM::CheckBox
- Bootloader::TrustedBootWidget
show all
- Includes:
- Grub2Widget
- Defined in:
- src/lib/bootloader/grub2_widgets.rb
Overview
Represents switcher for Trusted Boot
Instance Method Summary
(collapse)
#grub2, #grub_default, #password, #sections, #stage1
Constructor Details
Returns a new instance of TrustedBootWidget
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# File 'src/lib/bootloader/grub2_widgets.rb', line 289
def initialize
textdomain "bootloader"
end
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Instance Method Details
- (Object) help
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# File 'src/lib/bootloader/grub2_widgets.rb', line 297
def help
_("<p><b>Trusted Boot</b> will install TrustedGRUB2\n" \
"instead of regular GRUB2.</p>\n" \
"<p>It means measuring the integrity of the boot process,\n" \
"with the help from the hardware (a TPM, Trusted Platform Module,\n" \
"chip).</p>\n" \
"<p>First you need to make sure Trusted Boot is enabled in the BIOS\n" \
"setup (the setting may be named Security Chip, for example).</p>\n")
end
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- (Object) init
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# File 'src/lib/bootloader/grub2_widgets.rb', line 308
def init
self.value = grub2.trusted_boot
end
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- (Object) label
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# File 'src/lib/bootloader/grub2_widgets.rb', line 293
def label
_("Enable &Trusted Boot Support")
end
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- (Object) store
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# File 'src/lib/bootloader/grub2_widgets.rb', line 312
def store
grub2.trusted_boot = value
end
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- (Object) validate
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# File 'src/lib/bootloader/grub2_widgets.rb', line 316
def validate
return true if Yast::Mode.config || !value
tpm_files = Dir.glob("/sys/**/pcrs")
if !tpm_files.empty?
return true unless File.read(tpm_files[0], 1).nil?
end
Yast::Popup.ContinueCancel(_("Trusted Platform Module not found.\n" \
"Make sure it is enabled in BIOS.\n" \
"The system will not boot otherwise."))
end
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