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klogd -c1 # TODO: This should be even earlier. Can it go on the kernel command line?
mountroot()
{
openvt -c 13 sh
mkfifo "$MENUFIFO"
samizdat_install_udev_rules
if [ "${nbdroot%%,*}" ]; then
# I guess this isn't getting called otherwise? I don't know why this should
# be necessary, but it is.
sh /scripts/local-top/nbd >/dev/null 2>&1
fi
if keys_via_network; then
wait_for_gnupghome_tar "$tftp_key_server"
fi
bootwait samizdat-gpg
bootmenu
bootwait root-mounted
chvt 1
}
# Sets $tftp_key_server or returns false.
keys_via_network()
{
[ "${nbdroot%%,*}" ] || return
local arg cmdline
read cmdline < /proc/cmdline
for arg in $cmdline; do
case "$arg" in
netkeys)
tftp_key_server="${nbdroot%%,*}"
return 0
;;
netkeys=*)
tftp_key_server="${arg#netkeys=}"
return 0
;;
esac
done
return 1
}
wait_for_gnupghome_tar()
{
local tftp_server="$1"
[ -e /gnupghome.tar ] && return
echo -n Waiting to receive GPG keys through the network...
(while ! tftp -g -r gnupghome.tar -l /gnupghome.tar.$$ "$tftp_server" 2>/dev/null; do
sleep 1;
echo -n .
done
mv /gnupghome.tar.$$ /gnupghome.tar)
echo ' done.'
(. common.sh && . btrfs-create.sh && init_gpg)
}
samizdat_install_udev_rules()
{
mkdir -p /etc/udev/rules.d
echo 'ACTION=="add", SUBSYSTEM=="block", RUN+="/bin/grok-block $env{DEVNAME}"' \
> /etc/udev/rules.d/z00_blockdev_mountroot.rules
# 'udevadm trigger --action=add' does not work here; need to restard udevd
# first. not sure why
samizdat_restart_udev
udevadm trigger -s block --action add
}
samizdat_restart_udev()
{
local LOG_DIR=/run/initramfs/samizdat/log
mkdir -p "$LOG_DIR"
killall systemd-udevd 2>/dev/null
/lib/systemd/systemd-udevd --resolve-names=never --debug >$LOG_DIR/udevd-systemd.log 2>&1 &
udevadm hwdb --update # rule is not executed by 'udevadm trigger' otherwise. not sure why
}
# TODO: do not duplicate these functions from common.sh
export MENUFIFO=/menu.fifo
addmenu()
{
cat <<END >>$MENUFIFO # mind the tabs
setItem "$1" "dummy" "$2" "$3"
END
}
menutitle()
{
printf 'setTitle "%s"\n' "$1" >>$MENUFIFO
printf 'setWelcomeText "%s"\n' "$2" >>$MENUFIFO
}
bootmenu()
{
OpenVT -f -c 7 -- dynmenu "$MENUFIFO" &&
chvt 7 &&
menutitle 'Samizdat\n\nAs the Internet develops there are\ntransitions in the management arrangements.\nThe time has come to take\na small step in one of those transitions.' 'Choose an installation target.'
# menutitle 'Samizdat\nfreedom from surveillance\nno trusted authorities' 'Choose an installation target.'
addmenu "ramdisk" "[ Boot to RAM without installing anything ]" "menu-select boot-ram"
}
bootwait()
{
mkdir -p /bootwait
local i=$#; while [ $i -gt 0 ]; do
i=$((i-1))
local f="$1"; shift; set -- "$@" "/bootwait/$f"
done
wait_for_files "$@"
}
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