blob: 5131be363ca14062f0f187e44fc43a0e4633f819 [file] [log] [blame]
Ricardo Cerqueiraaff5e542014-05-09 22:24:12 +01001#!/sbin/sh
2
3# Validate that the incoming OTA is compatible with an already-installed
4# system
5
Brint E. Kriebel84ec9f52014-09-24 12:46:09 -07006grep -q "Command:.*\"--wipe\_data\"" /tmp/recovery.log
7if [ $? -eq 0 ]; then
8 echo "Data will be wiped after install; skipping signature check..."
9 exit 0
10fi
11
Ricardo Cerqueiraaff5e542014-05-09 22:24:12 +010012if [ -f /data/system/packages.xml -a -f /tmp/releasekey ]; then
Brint E. Kriebel8cc39922014-07-11 18:44:15 -070013 relCert=$(grep -A3 'package name="com.android.htmlviewer"' /data/system/packages.xml | grep "cert index" | head -n 1 | sed -e 's|.*"\([[:digit:]][[:digit:]]*\)".*|\1|g')
Ricardo Cerqueiraaff5e542014-05-09 22:24:12 +010014
15 grep "cert index=\"$relCert\"" /data/system/packages.xml | grep -q `cat /tmp/releasekey`
16 if [ $? -ne 0 ]; then
17 echo "You have an installed system that isn't signed with this build's key, aborting..."
18 # Edify doesn't abort on non-zero executions, so let's trash the key and use sha1sum instead
19 echo "INVALID" > /tmp/releasekey
20 exit 1
21 fi
22fi
23
24exit 0