[NetLabel]: add audit support for configuration changes

This patch adds audit support to NetLabel, including six new audit message
types shown below.

 #define AUDIT_MAC_UNLBL_ACCEPT 1406
 #define AUDIT_MAC_UNLBL_DENY   1407
 #define AUDIT_MAC_CIPSOV4_ADD  1408
 #define AUDIT_MAC_CIPSOV4_DEL  1409
 #define AUDIT_MAC_MAP_ADD      1410
 #define AUDIT_MAC_MAP_DEL      1411

Signed-off-by: Paul Moore <paul.moore@hp.com>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 2 deletions

diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index e6ce0b3ba62a..c4e469ff842d 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -474,6 +474,7 @@ doi_add_failure_rlock:
 /**
  * cipso_v4_doi_remove - Remove an existing DOI from the CIPSO protocol engine
  * @doi: the DOI value
+ * @audit_secid: the LSM secid to use in the audit message
  * @callback: the DOI cleanup/free callback
  *
  * Description:
@@ -483,7 +484,9 @@ doi_add_failure_rlock:
  * success and negative values on failure.
  *
  */
-int cipso_v4_doi_remove(u32 doi, void (*callback) (struct rcu_head * head))
+int cipso_v4_doi_remove(u32 doi,
+                        u32 audit_secid,
+                        void (*callback) (struct rcu_head * head))
 {
         struct cipso_v4_doi *doi_def;
         struct cipso_v4_domhsh_entry *dom_iter;
@@ -502,7 +505,8 @@ int cipso_v4_doi_remove(u32 doi, void (*callback) (struct rcu_head * head))
                 spin_unlock(&cipso_v4_doi_list_lock);
                 list_for_each_entry_rcu(dom_iter, &doi_def->dom_list, list)
                         if (dom_iter->valid)
-                                netlbl_domhsh_remove(dom_iter->domain);
+                                netlbl_domhsh_remove(dom_iter->domain,
+                                                     audit_secid);
                 cipso_v4_cache_invalidate();
                 rcu_read_unlock();