From 6afabe971fe856ce9e4e2de5d699f4a7a4834e30 Mon Sep 17 00:00:00 2001
From: Luca Boccassi <luca.boccassi@microsoft.com>
Date: Tue, 18 Feb 2020 15:13:29 +0000
Subject: [PATCH 1/2] journald: allow to remove /run/log/journal

it happens when switching from tmpfs to persistent storage

Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>
---
 policy/modules/system/logging.te | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/policy/modules/system/logging.te b/policy/modules/system/logging.te
index 15ae581ca..64406f650 100644
--- a/policy/modules/system/logging.te
+++ b/policy/modules/system/logging.te
@@ -529,6 +529,9 @@ ifdef(`init_systemd',`
 	allow syslogd_t self:capability { chown setgid setuid sys_ptrace };
 	allow syslogd_t self:netlink_audit_socket { getattr getopt read setopt write };
 
+	# remove /run/log/journal when switching to permanent storage
+	allow syslogd_t var_log_t:dir rmdir;
+
 	kernel_getattr_dgram_sockets(syslogd_t)
 	kernel_read_ring_buffer(syslogd_t)
 	kernel_rw_stream_sockets(syslogd_t)

From 6e9c1cd1872ae0314166f6513cc640f25f84c466 Mon Sep 17 00:00:00 2001
From: Luca Boccassi <luca.boccassi@microsoft.com>
Date: Wed, 19 Feb 2020 10:57:21 +0000
Subject: [PATCH 2/2] logging: add interface to start/stop syslog units

Required for example to start/stop systemd-journal-flush.service
which moves the journal storage back and forth between tmpfs and
permanent storage.

Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>
---
 policy/modules/system/logging.if | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/policy/modules/system/logging.if b/policy/modules/system/logging.if
index b2bba9849..9215579e8 100644
--- a/policy/modules/system/logging.if
+++ b/policy/modules/system/logging.if
@@ -427,6 +427,24 @@ interface(`logging_domtrans_syslog',`
 	')
 ')
 
+########################################
+## <summary>
+##	Allow specified domain to start/stop syslog units
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`logging_startstop_syslog',`
+	gen_require(`
+		type syslogd_unit_t;
+		class service { start stop };
+	')
+	allow $1 syslogd_unit_t:service { start stop };
+')
+
 ########################################
 ## <summary>
 ##	Allow specified domain to check status of syslog unit