diff options
Diffstat (limited to 'security/selinux/netlabel.c')
| -rw-r--r-- | security/selinux/netlabel.c | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c index e64eca246f1a..8192e8bc9f5a 100644 --- a/security/selinux/netlabel.c +++ b/security/selinux/netlabel.c @@ -158,9 +158,7 @@ int selinux_netlbl_skbuff_getsid(struct sk_buff *skb, u32 base_sid, u32 *sid) netlbl_secattr_init(&secattr); rc = netlbl_skbuff_getattr(skb, &secattr); if (rc == 0 && secattr.flags != NETLBL_SECATTR_NONE) - rc = security_netlbl_secattr_to_sid(&secattr, - base_sid, - sid); + rc = security_netlbl_secattr_to_sid(&secattr, base_sid, sid); else *sid = SECSID_NULL; netlbl_secattr_destroy(&secattr); @@ -198,7 +196,7 @@ void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock) if (netlbl_sock_getattr(sk, &secattr) == 0 && secattr.flags != NETLBL_SECATTR_NONE && security_netlbl_secattr_to_sid(&secattr, - SECINITSID_UNLABELED, + SECINITSID_NETMSG, &nlbl_peer_sid) == 0) sksec->peer_sid = nlbl_peer_sid; netlbl_secattr_destroy(&secattr); @@ -295,38 +293,32 @@ int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec, struct avc_audit_data *ad) { int rc; - u32 netlbl_sid; - u32 recv_perm; + u32 nlbl_sid; + u32 perm; - rc = selinux_netlbl_skbuff_getsid(skb, - SECINITSID_UNLABELED, - &netlbl_sid); + rc = selinux_netlbl_skbuff_getsid(skb, SECINITSID_NETMSG, &nlbl_sid); if (rc != 0) return rc; - - if (netlbl_sid == SECSID_NULL) - return 0; + if (nlbl_sid == SECSID_NULL) + nlbl_sid = SECINITSID_UNLABELED; switch (sksec->sclass) { case SECCLASS_UDP_SOCKET: - recv_perm = UDP_SOCKET__RECVFROM; + perm = UDP_SOCKET__RECVFROM; break; case SECCLASS_TCP_SOCKET: - recv_perm = TCP_SOCKET__RECVFROM; + perm = TCP_SOCKET__RECVFROM; break; default: - recv_perm = RAWIP_SOCKET__RECVFROM; + perm = RAWIP_SOCKET__RECVFROM; } - rc = avc_has_perm(sksec->sid, - netlbl_sid, - sksec->sclass, - recv_perm, - ad); + rc = avc_has_perm(sksec->sid, nlbl_sid, sksec->sclass, perm, ad); if (rc == 0) return 0; - netlbl_skbuff_err(skb, rc); + if (nlbl_sid != SECINITSID_UNLABELED) + netlbl_skbuff_err(skb, rc); return rc; } |