/usr/share/initramfs-tools/hooks
Edit: /usr/share/initramfs-tools/hooks/cryptgnupg (958B)
#!/bin/sh
set -e
PREREQ="cryptroot"
prereqs()
{
echo "$PREREQ"
}
case "$1" in
prereqs)
prereqs
exit 0
;;
esac
. /usr/share/initramfs-tools/hook-functions
. /lib/cryptsetup/functions
if [ ! -x "$DESTDIR/lib/cryptsetup/scripts/decrypt_gnupg" ] || [ ! -f "$TABFILE" ]; then
exit 0
fi
# Hooks for loading gnupg software and symmetrically encrypted key into
# the initramfs
copy_keys() {
crypttab_parse_options
if [ "${CRYPTTAB_OPTION_keyscript-}" = "/lib/cryptsetup/scripts/decrypt_gnupg" ]; then
if [ -f "$CRYPTTAB_KEY" ]; then
[ -f "$DESTDIR$CRYPTTAB_KEY" ] || copy_file keyfile "$CRYPTTAB_KEY" || RV=$?
else
cryptsetup_message "ERROR: Target $CRYPTTAB_NAME has a non-existing key file $CRYPTTAB_KEY"
RV=1
fi
fi
}
RV=0
crypttab_foreach_entry copy_keys
# install askpass and GnuPG
copy_exec /lib/cryptsetup/askpass
copy_exec /usr/bin/gpg
exit $RV