commit: 5668039ba3897f9ca837387d67b039e51fe1e41b
Author: Sugar, David <dsugar <AT> tresys <DOT> com>
AuthorDate: Wed Jan 22 12:35:42 2020 +0000
Commit: Jason Zaman <perfinion <AT> gentoo <DOT> org>
CommitDate: Sat Feb 15 07:32:05 2020 +0000
URL:
https://gitweb.gentoo.org/proj/hardened-refpolicy.git/commit/?id=5668039b
audit daemon can halt system, allow this to happen.
auditd can halt the system for several reasons based on configuration.
These mostly revovle around audit partition full issues. I am seeing
the following denials when attempting to halt the system.
Jan 12 03:38:48 localhost audispd: node=localhost type=USER_AVC
msg=audit(1578800328.122:1943): pid=1 uid=0 auid=4294967295 ses=4294967295
subj=system_u:system_r:init_t:s0 msg='avc: denied { start } for auid=n/a
uid=0 gid=0 path="/usr/lib/systemd/system/poweroff.target" cmdline="/sbin/init
0" scontext=system_u:system_r:auditd_t:s0
tcontext=system_u:object_r:power_unit_t:s0 tclass=service
exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=? terminal=?'
Jan 12 03:38:48 localhost audispd: node=localhost type=USER_AVC
msg=audit(1578800328.147:1944): pid=1 uid=0 auid=4294967295 ses=4294967295
subj=system_u:system_r:init_t:s0 msg='avc: denied { status } for auid=n/a
uid=0 gid=0 path="/usr/lib/systemd/system/poweroff.target" cmdline="/sbin/init
0" scontext=system_u:system_r:auditd_t:s0
tcontext=system_u:object_r:power_unit_t:s0 tclass=service
exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=? terminal=?'
Jan 12 04:44:54 localhost audispd: node=localhost type=AVC
msg=audit(1578804294.103:1923): avc: denied { getattr } for pid=6936
comm="systemctl" path="/run/systemd/system" dev="tmpfs" ino=45
scontext=system_u:system_r:auditd_t:s0
tcontext=system_u:object_r:systemd_unit_t:s0 tclass=dir permissive=1
v2 - use optional rather than ifdef
v3 - fix order
Signed-off-by: Dave Sugar <dsugar <AT> tresys.com>
Signed-off-by: Jason Zaman <perfinion <AT> gentoo.org>
policy/modules/system/logging.te | 6 ++++++
policy/modules/system/systemd.if | 20 ++++++++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/policy/modules/system/logging.te b/policy/modules/system/logging.te
index 19ef420f..d763b06e 100644
--- a/policy/modules/system/logging.te
+++ b/policy/modules/system/logging.te
@@ -231,6 +231,12 @@ optional_policy(`
seutil_sigchld_newrole(auditd_t)
')
+optional_policy(`
+ init_list_unit_dirs(auditd_t)
+ systemd_start_power_units(auditd_t)
+ systemd_status_power_units(auditd_t)
+')
+
optional_policy(`
udev_read_db(auditd_t)
')
diff --git a/policy/modules/system/systemd.if b/policy/modules/system/systemd.if
index 8f50e39e..4dd26458 100644
--- a/policy/modules/system/systemd.if
+++ b/policy/modules/system/systemd.if
@@ -819,6 +819,26 @@ interface(`systemd_start_power_units',`
allow $1 power_unit_t:service start;
')
+########################################
+## <summary>
+## Get the system status information about power units
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+#
+interface(`systemd_status_power_units',`
+ gen_require(`
+ type power_unit_t;
+ class service status;
+ ')
+
+ allow $1 power_unit_t:service status;
+')
+
+
########################################
## <summary>
## Make the specified type usable for
