From d7113bb655ff80a868a9e624c913f9d23e6c63ad Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Mon, 6 Apr 2020 23:50:27 +0200
Subject: services: syslog: Create log files as non-world-readable.

Partly fixes <https://bugs.gnu.org/40405>.
Reported by Diego Nicola Barbato <dnbarbato@posteo.de>.

* gnu/services/base.scm (syslog-service-type): Change 'start' method to
set umask to #o137 before spawning syslogd.
* gnu/tests/base.scm (run-basic-test)["/var/log/messages is not
world-readable"]: New test.
---
 gnu/tests/base.scm | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'gnu/tests')

diff --git a/gnu/tests/base.scm b/gnu/tests/base.scm
index 37b83dc7ec..fe63cecbd0 100644
--- a/gnu/tests/base.scm
+++ b/gnu/tests/base.scm
@@ -195,6 +195,14 @@ info --version")
                      (pk 'services services)
                      '(root #$@(operating-system-shepherd-service-names os)))))
 
+          (test-equal "/var/log/messages is not world-readable"
+            #o640                                ;<https://bugs.gnu.org/40405>
+            (begin
+              (wait-for-file "/var/log/messages" marionette
+                             #:read 'get-u8)
+              (marionette-eval '(stat:perms (lstat "/var/log/messages"))
+                               marionette)))
+
           (test-assert "homes"
             (let ((homes
                    '#$(map user-account-home-directory
-- 
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