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From: "Sugar, David" <dsugar@tresys.com>
To: "selinux-refpolicy@vger.kernel.org"  <selinux-refpolicy@vger.kernel.org>
Subject: [PATCH 4/4] Allow ntpd to read unit files
Date: Wed, 20 Mar 2019 00:20:38 +0000	[thread overview]
Message-ID: <20190320002012.21220-5-dsugar@tresys.com> (raw)
In-Reply-To: <20190320002012.21220-1-dsugar@tresys.com>

type=AVC msg=audit(1553013917.359:9935): avc:  denied  { read } for  pid=16326 comm="systemd-timedat" name="50-chronyd.list" dev="dm-1" ino=4870675 scontext=system_u:system_r:ntpd_t:s0 tcontext=system_u:object_r:ntpd_unit_t:s0 tclass=file permissive=1
type=AVC msg=audit(1553013917.359:9935): avc:  denied  { open } for  pid=16326 comm="systemd-timedat" path="/usr/lib/systemd/ntp-units.d/50-chronyd.list" dev="dm-1" ino=4870675 scontext=system_u:system_r:ntpd_t:s0 tcontext=system_u:object_r:ntpd_unit_t:s0 tclass=file permissive=1
type=AVC msg=audit(1553013917.359:9936): avc:  denied  { getattr } for  pid=16326 comm="systemd-timedat" path="/usr/lib/systemd/ntp-units.d/50-chronyd.list" dev="dm-1" ino=4870675 scontext=system_u:system_r:ntpd_t:s0 tcontext=system_u:object_r:ntpd_unit_t:s0 tclass=file permissive=1

type=AVC msg=audit(1553013821.622:9902): avc:  denied  { getattr } for  pid=16281 comm="systemd-timedat" path="/usr/lib/systemd/ntp-units.d" dev="dm-1" ino=4700094 scontext=system_u:system_r:ntpd_t:s0 tcontext=system_u:object_r:systemd_unit_t:s0 tclass=dir permissive=1
type=AVC msg=audit(1553013821.622:9903): avc:  denied  { read } for  pid=16281 comm="systemd-timedat" name="ntp-units.d" dev="dm-1" ino=4700094 scontext=system_u:system_r:ntpd_t:s0 tcontext=system_u:object_r:systemd_unit_t:s0 tclass=dir permissive=1
type=AVC msg=audit(1553013821.622:9903): avc:  denied  { open } for  pid=16281 comm="systemd-timedat" path="/usr/lib/systemd/ntp-units.d" dev="dm-1" ino=4700094 scontext=system_u:system_r:ntpd_t:s0 tcontext=system_u:object_r:systemd_unit_t:s0 tclass=dir permissive=1

Signed-off-by: Dave Sugar <dsugar@tresys.com>
---
 policy/modules/services/ntp.te |  3 +++
 policy/modules/system/init.if  | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/policy/modules/services/ntp.te b/policy/modules/services/ntp.te
index eff38486..85747e76 100644
--- a/policy/modules/services/ntp.te
+++ b/policy/modules/services/ntp.te
@@ -138,10 +138,13 @@ userdom_dontaudit_use_unpriv_user_fds(ntpd_t)
 userdom_list_user_home_dirs(ntpd_t)
 
 ifdef(`init_systemd',`
+	allow ntpd_t ntpd_unit_t:file read_file_perms;
+
 	dbus_system_bus_client(ntpd_t)
 	dbus_connect_system_bus(ntpd_t)
 	init_dbus_chat(ntpd_t)
 	init_get_system_status(ntpd_t)
+	init_list_unit_dirs(ntpd_t)
 	# for /var/lib/systemd/timesync
 	init_read_var_lib_links(ntpd_t)
 	allow ntpd_t self:capability { fowner setpcap };
diff --git a/policy/modules/system/init.if b/policy/modules/system/init.if
index 2a17910e..4f4d4d2c 100644
--- a/policy/modules/system/init.if
+++ b/policy/modules/system/init.if
@@ -2960,6 +2960,16 @@ interface(`init_search_units',`
 	fs_search_tmpfs($1)
 ')
 
+interface(`init_list_unit_dirs',`
+	gen_require(`
+		type systemd_unit_t;
+	')
+
+	allow $1 systemd_unit_t:dir list_dir_perms;
+
+	init_search_units($1)
+')
+
 ########################################
 ## <summary>
 ##	Read systemd unit links
-- 
2.20.1


  parent reply	other threads:[~2019-03-20  0:20 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-20  0:20 [PATCH 0/4] Resolve issues using /usr/bin/timedatectl Sugar, David
2019-03-20  0:20 ` [PATCH 1/4] Add interface ntp_dbus_chat Sugar, David
2019-03-24 18:36   ` Chris PeBenito
2019-03-20  0:20 ` [PATCH 2/4] Allow ntpd to update chronyd service Sugar, David
2019-03-24 18:36   ` Chris PeBenito
2019-03-20  0:20 ` [PATCH 3/4] Allow ntpd to update timezone symlink Sugar, David
2019-03-24 18:36   ` Chris PeBenito
2019-03-20  0:20 ` Sugar, David [this message]
2019-03-24 18:36   ` [PATCH 4/4] Allow ntpd to read unit files Chris PeBenito

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