mount-crypts


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#!/bin/bash

maxWait=60

sed 's/#.*$//' /etc/crypttab \
| grep -v '^ *$' \
| if [ "x$1" = 'x-u' ]; then
  tac
else
  cat
fi \
| while read -r name device key; do

  while [ ${maxWait} -gt 0 ] && [ ! -b "${device}" ]; do
    sleep 1
    maxWait=$[${maxWait}-1]
  done
  if cryptsetup status "${name}" 2>&1 >/dev/null; then
    is_mounted=true
  else
    is_mounted=false
  fi
  if [ "$1" == "-u" ]; then
    if ! ${is_mounted}; then
      continue
    fi
    if ! /usr/sbin/cryptsetup luksClose "${name}"; then
      >&2 echo "FEHLER: cryptsetup luksClose $name"
      exit 1
    fi
  else
    if ${is_mounted}; then
      continue
    fi
    if ! /usr/sbin/cryptsetup luksOpen "${device}" "${name}" --key-file "${key}"; then
      >&2 echo "FEHLER: cryptsetup luksOpen ${device} ${name} --key-file ${key}"
      exit 1
    fi
  fi
done