linux-kernel - [PATCH RFC 24/48] Audit: xt_AUDIT: Log audit message in proper user namespace

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Message-Id: <1367893269-9308-25-git-send-email-gaofeng@cn.fujitsu.com>
Date:	Tue, 7 May 2013 10:20:45 +0800
From:	Gao feng <gaofeng@...fujitsu.com>
To:	viro@...iv.linux.org.uk, eparis@...hat.com, ebiederm@...ssion.com,
	sgrubb@...hat.com, akpm@...ux-foundation.org,
	serge.hallyn@...ntu.com, davem@...emloft.net
Cc:	netdev@...r.kernel.org, containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, linux-audit@...hat.com,
	Gao feng <gaofeng@...fujitsu.com>
Subject: [PATCH RFC 24/48] Audit: xt_AUDIT: Log audit message in proper user namespace

we can log audit message in the user namespace which
netfilter xt_AUDIT rules belongs to.

Signed-off-by: Gao feng <gaofeng@...fujitsu.com>
---
 net/netfilter/xt_AUDIT.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/net/netfilter/xt_AUDIT.c b/net/netfilter/xt_AUDIT.c
index 3228d7f..b1ffba2 100644
--- a/net/netfilter/xt_AUDIT.c
+++ b/net/netfilter/xt_AUDIT.c
@@ -122,12 +122,14 @@ static unsigned int
 audit_tg(struct sk_buff *skb, const struct xt_action_param *par)
 {
 	const struct xt_audit_info *info = par->targinfo;
+	struct net *net = dev_net(par->in ? par->in : par->out);
+	struct user_namespace *ns = net->user_ns;
 	struct audit_buffer *ab;
 
-	if (audit_enabled == 0)
+	if (audit_enabled_ns(ns) == 0)
 		goto errout;
 
-	ab = audit_log_start(NULL, GFP_ATOMIC, AUDIT_NETFILTER_PKT);
+	ab = audit_log_start_ns(ns, NULL, GFP_ATOMIC, AUDIT_NETFILTER_PKT);
 	if (ab == NULL)
 		goto errout;
 
@@ -172,7 +174,7 @@ audit_tg(struct sk_buff *skb, const struct xt_action_param *par)
 		audit_log_secctx(ab, skb->secmark);
 #endif
 
-	audit_log_end(ab);
+	audit_log_end_ns(ns, ab);
 
 errout:
 	return XT_CONTINUE;
-- 
1.8.1.4

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