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https://github.com/linuxboot/heads.git
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65 lines
1.3 KiB
Bash
Executable File
65 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# Boot from a local disk installation
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. /etc/functions
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. /tmp/config
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mount_boot()
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{
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TRACE "Under /bin/generic-init:mount_boot"
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# Mount local disk if it is not already mounted
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if ! grep -q /boot /proc/mounts ; then
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mount -o ro /boot \
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|| recovery "Unable to mount /boot"
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fi
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}
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# Confirm we have a good TOTP unseal and ask the user for next choice
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while true; do
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echo "y) Default boot"
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echo "n) TOTP does not match"
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echo "r) Recovery boot"
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echo "u) USB boot"
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echo "m) Boot menu"
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if ! confirm_totp "Boot mode"; then
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recovery 'Failed to unseal TOTP'
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fi
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if [ "$totp_confirm" = "r" ]; then
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recovery "User requested recovery shell"
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fi
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if [ "$totp_confirm" = "n" ]; then
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echo ""
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echo "To correct clock drift: 'date -s HH:MM:SS'"
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echo "and save it to the RTC: 'hwclock -w'"
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echo "then reboot and try again"
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echo ""
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recovery "TOTP mismatch"
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fi
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if [ "$totp_confirm" = "u" ]; then
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exec /bin/usb-init
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continue
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fi
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if [ "$totp_confirm" = "m" ]; then
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# Try to select a kernel from the menu
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mount_boot
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kexec-select-boot -m -b /boot -c "grub.cfg"
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continue
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fi
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if [ "$totp_confirm" = "y" -o -n "$totp_confirm" ]; then
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# Try to boot the default
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mount_boot
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kexec-select-boot -b /boot -c "grub.cfg" \
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|| recovery "Failed default boot"
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fi
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done
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recovery "Something failed during boot"
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