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#!/bin/sh
# cryptdisks_start - wrapper around cryptsetup which parses
# /etc/crypttab, just like mount parses /etc/fstab.
# Initial code and (c) 2007 Jon Dowland <jon@alcopop.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: $0 <name>" >&2
echo >&2
echo "reads /etc/crypttab and starts the mapping corresponding to <name>" >&2
exit 1
fi
if [ -r /lib/cryptsetup/cryptdisks.functions ]; then
. /lib/cryptsetup/cryptdisks.functions
else
exit 0
fi
log_action_begin_msg "Starting crypto disk"
mount_fs
egrep -v "^[[:space:]]*(#|$)" "$TABFILE" | while read dst src key opts; do
if [ "$1" = "$dst" ]; then
handle_crypttab_line_start "$dst" "$src" "$key" "$opts" <&3
exit 0
fi
done 3<&1
umount_fs
log_action_end_msg 0
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