commit 8e768e9359d01008b286db1f6c54a6c3972a56b9
author Sen Jiang <senj@google.com> Wed Jun 28 17:13:19 2017 -0700
committer Sen Jiang <senj@google.com> Tue Oct 24 15:11:43 2017 -0700
tree 0cae4fb21b0769cca98fb3f511a53a609e8fe3b6
parent 9ae5f7f85f10997e8a3af2e2afa27891c05fbac7

Add maximum timestamp to the payload.

Added a new field max_timestamp in the protobuf, from now on
update_engine will reject any payload without this field.
If the OS build timestamp is newer than the max_timestamp, the payload
will also be rejected to prevent downgrade.

Bug: 36232423
Test: update_engine_unittests

Merged-In: Ib20f5f35aaf41165013bada02bc8720917358237
Change-Id: Ib20f5f35aaf41165013bada02bc8720917358237
(cherry picked from commit 5011df680621eb477cad8b34f03fba5b542cc2f9)

common/error_code.h

diff --git a/common/error_code.h b/common/error_code.h
index e08ec46..3800bf0 100644
--- a/common/error_code.h
+++ b/common/error_code.h
@@ -73,6 +73,8 @@
   kFilesystemVerifierError = 47,
   kUserCanceled = 48,
   kNonCriticalUpdateInOOBE = 49,
+  // kOmahaUpdateIgnoredOverCellular = 50,
+  kPayloadTimestampError = 51,
 
   // VERY IMPORTANT! When adding new error codes:
   //