#!/bin/sh

PREREQ="dropbear"

prereqs() {
    echo "$PREREQ"
}

case "$1" in
    prereqs)
        prereqs
        exit 0
    ;;
esac

. "$CONFDIR/initramfs.conf"
#. /usr/share/initramfs-tools/hook-functions

if [ "$DROPBEAR" != "n" ] && [ -r "/etc/crypttab" ] ; then
    # fix for dropbear in Ubuntu 12.04 x86_64
    [ -d /lib/x86_64-linux-gnu ] && cp -p /lib/x86_64-linux-gnu/libnss_* "$DESTDIR/lib/"

    mkdir -m 755 -p "$DESTDIR/lib/unlock"

##### /bin/unlock
cat > "${DESTDIR}/bin/unlock" <<EOF
#!/bin/sh
if PATH=/lib/unlock:/bin:/sbin /scripts/local-top/cryptroot ; then
    for n in cryptroot "plymouth ask-for-pass" cryptsetup ; do
        p=\$(ps w | grep "\$n" | awk '\$5 != "grep" {print \$1}')
        [ -n "\$p" ] && kill \$p
    done
    exit 0
fi
exit 1
EOF
##### EOF /bin/unlock

##### /lib/unlock/plymouth
cat > "$DESTDIR/lib/unlock/plymouth" <<-EOF
#!/bin/sh
[ "\$1" == "--ping" ] && exit 1
exec /bin/plymouth "\$@"
EOF
##### EOF /lib/unlock/plymouth

    chmod 755 "$DESTDIR/bin/unlock"
    chmod 755 "$DESTDIR/lib/unlock/plymouth"

    # enable password login
    [ -n "$SSHUSERPASS" ] &&
    touch "$DESTDIR/etc/shadow" && chmod 640 "$DESTDIR/etc/shadow" &&
    getent shadow "$SSHUSERPASS" | sed -n "s/^$SSHUSERPASS:/root:/p" /etc/shadow >> "$DESTDIR/etc/shadow"

    sed -i'' 's|^\(root:.*\):[^:]*$|\1:/bin/sh|' "$DESTDIR/etc/passwd"
fi