From bf44d5523ca547f636435bd1730445ce148ab6e1 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Thu, 6 Feb 2014 00:17:33 +0100
Subject: [PATCH] gluon-autoupdater: add SHA512 support

---
 gluon/gluon-autoupdater/files/usr/sbin/autoupdater | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/gluon/gluon-autoupdater/files/usr/sbin/autoupdater b/gluon/gluon-autoupdater/files/usr/sbin/autoupdater
index 88e6434..40c5275 100755
--- a/gluon/gluon-autoupdater/files/usr/sbin/autoupdater
+++ b/gluon/gluon-autoupdater/files/usr/sbin/autoupdater
@@ -102,7 +102,7 @@ analyse_manifest() {
   fi
 
   fw_version=$(echo "${my_firmware}"|cut -d' ' -f2)
-  fw_md5=$(echo "${my_firmware}"|cut -d' ' -f3)
+  fw_checksum=$(echo "${my_firmware}"|cut -d' ' -f3)
   fw_file=$(echo "${my_firmware}"|cut -d' ' -f4)
 
   return 0
@@ -141,8 +141,9 @@ autoupdate() {
     local fw_image=$(mktemp)
     fetch_firmware $MIRROR $fw_image || { rm -f $fw_image; return 1; }
 
-    image_md5=$(md5sum "$fw_image"|cut -b-32)
-    if test "$image_md5" != "$fw_md5"; then
+    image_sha512=$(sha512sum "$fw_image" | awk '{print $1}')
+    image_md5=$(md5sum "$fw_image" | awk '{print $1}')
+    if [ "$image_sha512" != "$fw_checksum" -a "$image_md5" != "$fw_checksum" ]; then
       echo "Invalid image checksum" >&2
       rm -f $fw_image
       return 1
@@ -174,7 +175,7 @@ for mirror in $MIRRORS; do
   autoupdate $mirror && exit 0
 
   unset fw_version
-  unset fw_md5
+  unset fw_checksum
   unset fw_file
 
 done