From 4c28d245428f8709832fc4b1c5b6b1ab5e71cc07 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Thu, 14 May 2009 10:06:55 +0200
Subject: [PATCH] Initial commit for having support for persistency on luks.

---
 scripts/live-helpers | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/scripts/live-helpers b/scripts/live-helpers
index 59bdb4f..c4fca95 100644
--- a/scripts/live-helpers
+++ b/scripts/live-helpers
@@ -327,6 +327,43 @@ find_cow_device ()
 				break
 			fi
 
+			# Checking for a luks device
+			if [ -e /sbin/cryptsetup ] && /sbin/cryptsetup isLuks ${devname}
+			then
+				while true
+				do
+					load_keymap
+
+					echo -n "Enter passphrase for ${pers_label} on ${devname}: " >&6
+					read -s passphrase
+					echo "${passphrase}" > /tmp/passphrase
+					unset passphrase
+					exec 9</tmp/passphrase
+					/sbin/cryptsetup luksOpen ${devname} $(basename ${devname})
+					error=${?}
+					exec 9<&-
+					rm -f /tmp/passphrase
+
+					devname="/dev/mapper/$(basename ${devname})"
+
+					if [ 0 -eq ${error} ]
+					then
+						unset error
+						break
+					fi
+
+					echo
+					echo -n "There was an error decrypting ${devname} ... Retry? [Y/n] " >&6
+					read answer
+
+					if [ "$(echo "${answer}" | cut -b1 | tr A-Z a-z)" = "n" ]
+					then
+						unset answer
+						break
+					fi
+				done
+			fi
+
 			if [ "$(/lib/udev/vol_id -l ${devname} 2>/dev/null)" = "${pers_label}" ]
 			then
 				echo "${devname}"
-- 
2.1.4