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Smack: secmark connections

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If the secmark is available us it on connection as
well as packet delivery.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
This commit is contained in:
Casey Schaufler 2015-02-11 12:52:32 -08:00
parent 82b0b2c2b1
commit 7f368ad34f
1 changed files with 16 additions and 0 deletions
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16
security/smack/smack_lsm.c
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@ -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;