netdev - [PATCH net-next] netfilter: create audit records for ebtables replaces

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Message-Id: <1410178305-28800-1-git-send-email-nicolas.dichtel@6wind.com>
Date:	Mon,  8 Sep 2014 14:11:45 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	pablo@...filter.org, kaber@...sh.net, kadlec@...ckhole.kfki.hu,
	stephen@...workplumber.org, davem@...emloft.net,
	netfilter-devel@...r.kernel.org, bridge@...ts.linux-foundation.org,
	netdev@...r.kernel.org, linux-audit@...hat.com
Cc:	nicolas.dichtel@...nd.com
Subject: [PATCH net-next] netfilter: create audit records for ebtables 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@...nd.com>
---

v2: move audit chunks to do_replace_finish()

 net/bridge/netfilter/ebtables.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

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:
-- 
1.9.0

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