Merge tag 'nfs-for-3.20-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

[mirror_ubuntu-artful-kernel.git] / security / smack / smack_lsm.c

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index a0ccce4e46f8b933a4bc52a373dc45c2baa34b16..ed94f6f836e75baf9086f553c78a2d325ea99285 100644 (file)
--- 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;