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#!/bin/sh # cryptdisks_stop - wrapper around cryptsetup which parses # /etc/crypttab, just like mount parses /etc/fstab. # Initial code stolen from cryptdisks_start by Jon Dowland <jon@alcopop.org> # Copyright (C) 2008 by Jonas Meurer <jonas@freesources.org> # License: GNU General Public License, v2 or any later # (http://www.gnu.org/copyleft/gpl.html) set -e if [ $# -lt 1 ]; then echo "usage: $0 <name>" >&2 echo >&2 echo "reads /etc/crypttab and stops the mapping corresponding to <name>" >&2 exit 1 fi . /lib/cryptsetup/cryptdisks.functions INITSTATE="manual" DEFAULT_LOUD="yes" if [ -x "/usr/bin/id" ] && [ "$(/usr/bin/id -u)" != "0" ]; then log_warning_msg "$0 needs root privileges" exit 1 fi log_action_begin_msg "Stopping crypto disk" count=0 tablen="$(egrep -vc "^[[:space:]]*(#|$)" "$TABFILE")" egrep -v "^[[:space:]]*(#|$)" "$TABFILE" | while read dst src key opts; do count=$(( $count + 1 )) if [ "$1" = "$dst" ]; then ret=0 handle_crypttab_line_stop "$dst" "$src" "$key" "$opts" <&3 || ret=$? elif [ $count -ge $tablen ]; then ret=1 device_msg "$1" "failed, not found in crypttab" else continue fi log_action_end_msg $ret exit $ret done 3<&1