[NetLabel]: change the SELinux permissions

Change NetLabel to use the 'recvfrom' socket permission and the
SECINITSID_NETMSG SELinux SID as the NetLabel base SID for incoming packets.
This patch effectively makes the old, and currently unused, SELinux NETMSG
permissions NetLabel permissions.

Signed-of-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 4 deletions

diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index d67f7e658529..22ed17c17718 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2611,7 +2611,7 @@ int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
         u32 netlbl_sid;
         u32 recv_perm;
 
-        rc = selinux_netlbl_skbuff_getsid(skb, sksec->sid, &netlbl_sid);
+        rc = selinux_netlbl_skbuff_getsid(skb, SECINITSID_NETMSG, &netlbl_sid);
         if (rc != 0)
                 return rc;
 
@@ -2620,13 +2620,13 @@ int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
 
         switch (sksec->sclass) {
         case SECCLASS_UDP_SOCKET:
-                recv_perm = UDP_SOCKET__RECV_MSG;
+                recv_perm = UDP_SOCKET__RECVFROM;
                 break;
         case SECCLASS_TCP_SOCKET:
-                recv_perm = TCP_SOCKET__RECV_MSG;
+                recv_perm = TCP_SOCKET__RECVFROM;
                 break;
         default:
-                recv_perm = RAWIP_SOCKET__RECV_MSG;
+                recv_perm = RAWIP_SOCKET__RECVFROM;
         }
 
         rc = avc_has_perm(sksec->sid,