From 7f368ad34f0657f4bc39bf5bad6692b5a81a1194 Mon Sep 17 00:00:00 2001
From: Casey Schaufler <casey@schaufler-ca.com>
Date: Wed, 11 Feb 2015 12:52:32 -0800
Subject: Smack: secmark connections
If the secmark is available us it on connection as
well as packet delivery.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
---
security/smack/smack_lsm.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index a0ccce4e46f8..ed94f6f836e7 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -3818,6 +3818,18 @@ static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb,
}
#endif /* CONFIG_IPV6 */
+#ifdef CONFIG_SECURITY_SMACK_NETFILTER
+ /*
+ * If there is a secmark use it rather than the CIPSO label.
+ * If there is no secmark fall back to CIPSO.
+ * The secmark is assumed to reflect policy better.
+ */
+ if (skb && skb->secmark != 0) {
+ skp = smack_from_secid(skb->secmark);
+ goto access_check;
+ }
+#endif /* CONFIG_SECURITY_SMACK_NETFILTER */
+
netlbl_secattr_init(&secattr);
rc = netlbl_skbuff_getattr(skb, family, &secattr);
if (rc == 0)
@@ -3826,6 +3838,10 @@ static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb,
skp = &smack_known_huh;
netlbl_secattr_destroy(&secattr);
+#ifdef CONFIG_SECURITY_SMACK_NETFILTER
+access_check:
+#endif
+
#ifdef CONFIG_AUDIT
smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
ad.a.u.net->family = family;
--
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