9006-journal-disable-keyed-hashes-for-compatibility.patch

From 3d93e3d1e9bae766e6c436e9fbf4b156fcc44bca Mon Sep 17 00:00:00 2001
From: Ben Cressey <bcressey@amazon.com>
Date: Thu, 12 Nov 2020 16:18:15 +0000
Subject: [PATCH 9006/9006] journal: disable keyed hashes for compatibility

Otherwise the journal is not readable by older versions of systemd.

This is applied as a patch so it will fail to apply when upstream
removes the environment variable override.

Signed-off-by: Ben Cressey <bcressey@amazon.com>
---
 src/journal/journal-file.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c
index cdcded2..abfa14c 100644
--- a/src/journal/journal-file.c
+++ b/src/journal/journal-file.c
@@ -3390,13 +3390,12 @@ int journal_file_open(
 #endif
         };
 
-        /* We turn on keyed hashes by default, but provide an environment variable to turn them off, if
-         * people really want that */
+        /* Turn off keyed hashes by default. */
         r = getenv_bool("SYSTEMD_JOURNAL_KEYED_HASH");
         if (r < 0) {
                 if (r != -ENXIO)
                         log_debug_errno(r, "Failed to parse $SYSTEMD_JOURNAL_KEYED_HASH environment variable, ignoring.");
-                f->keyed_hash = true;
+                f->keyed_hash = false;
         } else
                 f->keyed_hash = r;
 
-- 
2.26.2