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authorSugar, David <dsugar@tresys.com>2020-01-22 12:35:42 +0000
committerJason Zaman <perfinion@gentoo.org>2020-02-15 15:32:05 +0800
commit5668039ba3897f9ca837387d67b039e51fe1e41b (patch)
treeb5c2a74ef8a2a1286a8626757066f1d30984309d
parentAllow systemd to getattr all files (diff)
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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@tresys.com> Signed-off-by: Jason Zaman <perfinion@gentoo.org>
-rw-r--r--policy/modules/system/logging.te6
-rw-r--r--policy/modules/system/systemd.if20
2 files changed, 26 insertions, 0 deletions
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
@@ -232,6 +232,12 @@ optional_policy(`
')
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
@@ -821,6 +821,26 @@ interface(`systemd_start_power_units',`
########################################
## <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
## systemd tmpfiles config files.
## </summary>