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| author | Daniel Jurgens | 2017-05-19 14:48:53 +0200 |
|---|---|---|
| committer | Paul Moore | 2017-05-23 18:27:11 +0200 |
| commit | 8f408ab64be6319cb7736cbc6982838dcc362306 (patch) | |
| tree | fa7169e96ad81ac38d6d78ac03668196dde902c4 /security/selinux/hooks.c | |
| parent | IB/core: Enforce PKey security on QPs (diff) | |
| download | kernel-qcow2-linux-8f408ab64be6319cb7736cbc6982838dcc362306.tar.gz kernel-qcow2-linux-8f408ab64be6319cb7736cbc6982838dcc362306.tar.xz kernel-qcow2-linux-8f408ab64be6319cb7736cbc6982838dcc362306.zip | |
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/hooks.c')
| -rw-r--r-- | security/selinux/hooks.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index cfb7ce339adc..b005acbcc6e9 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -171,6 +171,14 @@ static int selinux_netcache_avc_callback(u32 event) return 0; } +static int selinux_lsm_notifier_avc_callback(u32 event) +{ + if (event == AVC_CALLBACK_RESET) + call_lsm_notifier(LSM_POLICY_CHANGE, NULL); + + return 0; +} + /* * initialise the security for the init task */ @@ -6387,6 +6395,9 @@ static __init int selinux_init(void) if (avc_add_callback(selinux_netcache_avc_callback, AVC_CALLBACK_RESET)) panic("SELinux: Unable to register AVC netcache callback\n"); + if (avc_add_callback(selinux_lsm_notifier_avc_callback, AVC_CALLBACK_RESET)) + panic("SELinux: Unable to register AVC LSM notifier callback\n"); + if (selinux_enforcing) printk(KERN_DEBUG "SELinux: Starting in enforcing mode\n"); else |