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authorDaniel Jurgens <danielj@mellanox.com>2017-05-19 15:48:53 +0300
committerPaul Moore <paul@paul-moore.com>2017-05-23 12:27:11 -0400
commit8f408ab64be6319cb7736cbc6982838dcc362306 (patch)
treefa7169e96ad81ac38d6d78ac03668196dde902c4 /security/selinux/selinuxfs.c
parentd291f1a6523292d916fe1659c67f6db061fbd1b5 (diff)
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selinux lsm IB/core: Implement LSM notification system
Add a generic notificaiton mechanism in the LSM. Interested consumers can register a callback with the LSM and security modules can produce events. Because access to Infiniband QPs are enforced in the setup phase of a connection security should be enforced again if the policy changes. Register infiniband devices for policy change notification and check all QPs on that device when the notification is received. Add a call to the notification mechanism from SELinux when the AVC cache changes or setenforce is cleared. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Acked-by: James Morris <james.l.morris@oracle.com> Acked-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'security/selinux/selinuxfs.c')
-rw-r--r--security/selinux/selinuxfs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 82adb78a58f7..9010a3632d6f 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -154,6 +154,8 @@ static ssize_t sel_write_enforce(struct file *file, const char __user *buf,
avc_ss_reset(0);
selnl_notify_setenforce(selinux_enforcing);
selinux_status_update_setenforce(selinux_enforcing);
+ if (!selinux_enforcing)
+ call_lsm_notifier(LSM_POLICY_CHANGE, NULL);
}
length = count;
out: