mirror of
https://github.com/vyos/vyos-build.git
synced 2025-10-01 20:28:40 +02:00
32 lines
1.1 KiB
Bash
Executable File
32 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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SIGN_FILE=$(find /usr/lib -name sign-file)
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KERNEL_KEY="/var/lib/shim-signed/mok/vyos-dev-2025-linux.key"
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KERNEL_CERT="/var/lib/shim-signed/mok/vyos-dev-2025-linux.pem"
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VMLINUZ=$(readlink /boot/vmlinuz)
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# All Linux Kernel modules need to be cryptographically signed
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find /lib/modules -type f -name \*.ko | while read MODULE; do
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modinfo ${MODULE} | grep -q "signer:"
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if [ $? != 0 ]; then
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echo "E: Module ${MODULE} is not signed!"
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read -n 1 -s -r -p "Press any key to continue"
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fi
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done
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if [ ! -f ${KERNEL_KEY} ] && [ ! -f ${KERNEL_CERT} ]; then
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echo "I: Signing key for Linux Kernel not found - Secure Boot not possible"
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else
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echo "I: Signing Linux Kernel for Secure Boot"
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sbsign --key ${KERNEL_KEY} --cert ${KERNEL_CERT} /boot/${VMLINUZ} --output /boot/${VMLINUZ}
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sbverify --list /boot/${VMLINUZ}
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rm -f ${KERNEL_KEY}
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fi
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for cert in $(ls /var/lib/shim-signed/mok/); do
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if grep -rq "BEGIN PRIVATE KEY" /var/lib/shim-signed/mok/${cert}; then
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echo "Found private key - bailing out"
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exit 1
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fi
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done
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