124 lines
159 KiB
Bash
124 lines
159 KiB
Bash
#!/bin/bash
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# Football System Secure Boot Configuration
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# Implements Secure Boot with proper key management
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set -e
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echo "Configuring Secure Boot..."
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# ============================================================================
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# SECURE BOOT KEY MANAGEMENT
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# ============================================================================
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# Create secure boot key directory
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mkdir -p /etc/secure-boot/keys
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# Generate Secure Boot keys if they don't exist
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if [ ! -f /etc/secure-boot/keys/db.key ]; then
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echo "Generating Secure Boot keys..."
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# Create Platform Key (PK)
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openssl req -new -x509 -newkey rsa:2048 -nodes \
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-keyout /etc/secure-boot/keys/PK.key \
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-out /etc/secure-boot/keys/PK.crt \
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-days 3650 \
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-subj "/CN=Football Platform Key/C=US/ST=State/L=City/O=Organization"
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# Create Key Exchange Key (KEK)
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openssl req -new -x509 -newkey rsa:2048 -nodes \
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-keyout /etc/secure-boot/keys/KEK.key \
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-out /etc/secure-boot/keys/KEK.crt \
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-days 3650 \
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-subj "/CN=Football Key Exchange Key/C=US/ST=State/L=City/O=Organization"
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# Create Signature Database Key (db)
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openssl req -new -x509 -newkey rsa:2048 -nodes \
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-keyout /etc/secure-boot/keys/db.key \
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-out /etc/secure-boot/keys/db.crt \
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-days 3650 \
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-subj "/CN=Football Database Key/C=US/ST=State/L=City/O=Organization"
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# Create Key Revoke Database Key (dbx)
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openssl req -new -x509 -newkey rsa:2048 -nodes \
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-keyout /etc/secure-boot/keys/dbx.key \
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-out /etc/secure-boot/keys/dbx.crt \
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-days 3650 \
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-subj "/CN=Football Revoke Database Key/C=US/ST=State/L=City/O=Organization"
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echo "✅ Secure Boot keys generated"
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fi
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# Set proper permissions
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chmod 600 /etc/secure-boot/keys/*.key
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chmod 644 /etc/secure-boot/keys/*.crt
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chmod 755 /etc/secure-boot/keys
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# ============================================================================
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# BOOTLOADER SIGNING
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# ============================================================================
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echo "Configuring bootloader signing..."
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# Install required tools for Secure Boot
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apt-get update -qq
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apt-get install -y -qq \
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sbsigntool \
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efitools \
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efivar \
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shim-signed \
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grub-efi-amd64-signed
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# Sign GRUB configuration
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if [ -f /boot/efi/EFI/debian/grubx64.efi ]; then
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echo "Signing GRUB bootloader..."
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sbsign --key /etc/secure-boot/keys/db.key \
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--cert /etc/secure-boot/keys/db.crt \
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--output /boot/efi/EFI/debian/grubx64.signed.efi \
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/boot/efi/EFI/debian/grubx64.efi
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# Backup and replace unsigned bootloader
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mv /boot/efi/EFI/debian/grubx64.efi /boot/efi/EFI/debian/grubx64.efi.backup
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mv /boot/efi/EFI/debian/grubx64.signed.efi /boot/efi/EFI/debian/grubx64.efi
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echo "✅ GRUB bootloader signed"
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fi
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# Sign kernel if not already signed
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for kernel in /boot/vmlinuz-*; do
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if [ -f "$kernel" ] && [ ! -f "${kernel}.signed" ]; then
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echo "Signing kernel $(basename $kernel)..."
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sbsign --key /etc/secure-boot/keys/db.key \
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--cert /etc/secure-boot/keys/db.crt \
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--output "${kernel}.signed" \
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"$kernel"
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fi
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done
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# ============================================================================
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# GRUB CONFIGURATION FOR SECURE BOOT
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# ============================================================================
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echo "Configuring GRUB for Secure Boot..."
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# Update GRUB configuration for Secure Boot
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cat > /etc/grub.d/40_secure_boot << 'EOF'
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#!/bin/sh
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exec tail -n +3 $0
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# Secure Boot configuration for Football system
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set superusers="root"
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password_pbkdf2 root grub.pbkdf2.sha512.10000.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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# Enable Secure Boot verification
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set check_signatures=enforce
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# Restrict boot options
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set trust_bootloader=true
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set trust_module=true
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# Disable editing of boot entries
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set superusers="root"
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export superusers
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# Password protect editing and booting
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password_pbkdf2 root grub.pbkdf2.sha512.10000.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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