netfilter: ebtables: create audit records for replaces

This is already done for x_tables (family AF_INET and AF_INET6), let's
do it for AF_BRIDGE also.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 6d69631b9f4d..d9a8c05d995d 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -26,6 +26,7 @@
 #include <asm/uaccess.h>
 #include <linux/smp.h>
 #include <linux/cpumask.h>
+#include <linux/audit.h>
 #include <net/sock.h>
 /* needed for logical [in,out]-dev filtering */
 #include "../br_private.h"
@@ -1058,6 +1059,20 @@ static int do_replace_finish(struct net *net, struct ebt_replace *repl,
         vfree(table);
 
         vfree(counterstmp);
+
+#ifdef CONFIG_AUDIT
+        if (audit_enabled) {
+                struct audit_buffer *ab;
+
+                ab = audit_log_start(current->audit_context, GFP_KERNEL,
+                                     AUDIT_NETFILTER_CFG);
+                if (ab) {
+                        audit_log_format(ab, "table=%s family=%u entries=%u",
+                                         repl->name, AF_BRIDGE, repl->nentries);
+                        audit_log_end(ab);
+                }
+        }
+#endif
         return ret;
 
 free_unlock: