From 155d8ee23b2bb6c82e7a4994539d9de02db6625b Mon Sep 17 00:00:00 2001
From: Thomas Waldmann <tw@waldmann-edv.de>
Date: Fri, 16 Jun 2023 22:40:51 +0200
Subject: [PATCH] cache sync: check archive TAM

---
 src/borg/cache.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/borg/cache.py b/src/borg/cache.py
index b0ff5e541..b650528c7 100644
--- a/src/borg/cache.py
+++ b/src/borg/cache.py
@@ -755,7 +755,8 @@ class LocalCache(CacheStatsMixin):
             nonlocal processed_item_metadata_chunks
             csize, data = decrypted_repository.get(archive_id)
             chunk_idx.add(archive_id, 1, len(data), csize)
-            archive = ArchiveItem(internal_dict=msgpack.unpackb(data))
+            archive, verified = self.key.unpack_and_verify_archive(data, force_tam_not_required=True)
+            archive = ArchiveItem(internal_dict=archive)
             if archive.version != 1:
                 raise Exception('Unknown archive metadata version')
             sync = CacheSynchronizer(chunk_idx)