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02/02: services: syslog: Create log files as non-world-readable.
From: |
guix-commits |
Subject: |
02/02: services: syslog: Create log files as non-world-readable. |
Date: |
Mon, 6 Apr 2020 18:02:32 -0400 (EDT) |
civodul pushed a commit to branch master
in repository guix.
commit d7113bb655ff80a868a9e624c913f9d23e6c63ad
Author: Ludovic Courtès <address@hidden>
AuthorDate: Mon Apr 6 23:50:27 2020 +0200
services: syslog: Create log files as non-world-readable.
Partly fixes <https://bugs.gnu.org/40405>.
Reported by Diego Nicola Barbato <address@hidden>.
* 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/services/base.scm | 15 +++++++++++----
gnu/tests/base.scm | 8 ++++++++
2 files changed, 19 insertions(+), 4 deletions(-)
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index a0179c0..f802005 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -1436,10 +1436,17 @@ Service Switch}, for an example."
(documentation "Run the syslog daemon (syslogd).")
(provision '(syslogd))
(requirement '(user-processes))
- (start #~(make-forkexec-constructor
- (list #$(syslog-configuration-syslogd config)
- "--rcfile" #$(syslog-configuration-config-file config))
- #:pid-file "/var/run/syslog.pid"))
+ (start #~(let ((spawn (make-forkexec-constructor
+ (list #$(syslog-configuration-syslogd config)
+ "--rcfile"
+ #$(syslog-configuration-config-file config))
+ #:pid-file "/var/run/syslog.pid")))
+ (lambda ()
+ ;; Set the umask such that file permissions are #o640.
+ (let ((mask (umask #o137))
+ (pid (spawn)))
+ (umask mask)
+ pid))))
(stop #~(make-kill-destructor))))))
;; Snippet adapted from the GNU inetutils manual.
diff --git a/gnu/tests/base.scm b/gnu/tests/base.scm
index 37b83dc..fe63cec 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