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NetLabel: use SECINITSID_UNLABELED for a base SID

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This patch changes NetLabel to use SECINITSID_UNLABLELED as it's source of
SELinux type information when generating a NetLabel context.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
paul.moore@hp.com 2006-10-05 18:28:24 -04:00 committed by David S. Miller
parent ffb733c650
commit 388b24057f
1 changed files with 9 additions and 20 deletions
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29
security/selinux/ss/services.c
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@ -2336,7 +2336,7 @@ static int selinux_netlbl_secattr_to_sid(struct sk_buff *skb,
selinux_netlbl_cache_add(skb, &ctx_new); selinux_netlbl_cache_add(skb, &ctx_new);
ebitmap_destroy(&ctx_new.range.level[0].cat); ebitmap_destroy(&ctx_new.range.level[0].cat);
} else { } else {
*sid = SECINITSID_UNLABELED; *sid = SECSID_NULL;
rc = 0; rc = 0;
} }
@ -2519,7 +2519,7 @@ void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock)
if (netlbl_sock_getattr(sk, &secattr) == 0 && if (netlbl_sock_getattr(sk, &secattr) == 0 &&
selinux_netlbl_secattr_to_sid(NULL, selinux_netlbl_secattr_to_sid(NULL,
&secattr, &secattr,
sksec->sid, SECINITSID_UNLABELED,
&nlbl_peer_sid) == 0) &nlbl_peer_sid) == 0)
sksec->peer_sid = nlbl_peer_sid; sksec->peer_sid = nlbl_peer_sid;
netlbl_secattr_destroy(&secattr); netlbl_secattr_destroy(&secattr);
@ -2552,9 +2552,6 @@ u32 selinux_netlbl_inet_conn_request(struct sk_buff *skb, u32 sock_sid)
if (rc != 0) if (rc != 0)
return SECSID_NULL; return SECSID_NULL;
if (peer_sid == SECINITSID_UNLABELED)
return SECSID_NULL;
return peer_sid; return peer_sid;
} }
@ -2616,11 +2613,13 @@ int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
u32 netlbl_sid; u32 netlbl_sid;
u32 recv_perm; u32 recv_perm;
rc = selinux_netlbl_skbuff_getsid(skb, SECINITSID_NETMSG, &netlbl_sid); rc = selinux_netlbl_skbuff_getsid(skb,
SECINITSID_UNLABELED,
&netlbl_sid);
if (rc != 0) if (rc != 0)
return rc; return rc;
if (netlbl_sid == SECINITSID_UNLABELED) if (netlbl_sid == SECSID_NULL)
return 0; return 0;
switch (sksec->sclass) { switch (sksec->sclass) {
@ -2658,10 +2657,6 @@ int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
u32 selinux_netlbl_socket_getpeersec_stream(struct socket *sock) u32 selinux_netlbl_socket_getpeersec_stream(struct socket *sock)
{ {
struct sk_security_struct *sksec = sock->sk->sk_security; struct sk_security_struct *sksec = sock->sk->sk_security;
if (sksec->peer_sid == SECINITSID_UNLABELED)
return SECSID_NULL;
return sksec->peer_sid; return sksec->peer_sid;
} }
@ -2677,16 +2672,10 @@ u32 selinux_netlbl_socket_getpeersec_stream(struct socket *sock)
u32 selinux_netlbl_socket_getpeersec_dgram(struct sk_buff *skb) u32 selinux_netlbl_socket_getpeersec_dgram(struct sk_buff *skb)
{ {
int peer_sid; int peer_sid;
struct sock *sk = skb->sk;
struct inode_security_struct *isec;
if (sk == NULL || sk->sk_socket == NULL) if (selinux_netlbl_skbuff_getsid(skb,
return SECSID_NULL; SECINITSID_UNLABELED,
&peer_sid) != 0)
isec = SOCK_INODE(sk->sk_socket)->i_security;
if (selinux_netlbl_skbuff_getsid(skb, isec->sid, &peer_sid) != 0)
return SECSID_NULL;
if (peer_sid == SECINITSID_UNLABELED)
return SECSID_NULL; return SECSID_NULL;
return peer_sid; return peer_sid;