mirror of
https://github.com/Bandie/grub2-signing-extension.git
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31 lines
796 B
Bash
Executable File
31 lines
796 B
Bash
Executable File
#!/bin/bash
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# grub2-unsign
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# Unsigns every file in /boot. Depends on grub2-verify
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# Author: Bandie
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# Licence: GNU-GPLv3
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# Check if something is wrong
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grub2-verify
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stat=$?
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if (( $stat == 1 ))
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then
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printf '%s\n' "grub2-verify has detected a one or more bad signatures." "Please check for malicious software before you're unsigning everything!" >&2
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exit 1
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elif (( $stat == 2 ))
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then
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printf 'Everything is unsigned already.\n'
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exit 0
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elif (( $stat == 3 ))
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then
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printf 'Ignoring missing signatures...\n'
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else
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printf 'Something unknown happened!\n'
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exit 99
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fi
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# Then remove the signatures.
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find /boot -name '*.sig' -exec rm -- '{}' +
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echo "GRUB2 unsigned. WARNING: If you want to deactivate GRUB2's signature feature, change the check_signatures variable in the headers file!"
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exit 0
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