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authorpaul.moore@hp.com <paul.moore@hp.com>2006-10-06 00:28:24 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2006-10-12 08:59:32 +0200
commit388b24057f90ba109d4bf855006a8809c383eb76 (patch)
tree44ab16f68b08ac7ed64ba4e4f2be87a6476a5d4c /security
parentNetLabel: fix a cache race condition (diff)
downloadlinux-388b24057f90ba109d4bf855006a8809c383eb76.tar.xz
linux-388b24057f90ba109d4bf855006a8809c383eb76.zip
NetLabel: use SECINITSID_UNLABELED for a base SID
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>
Diffstat (limited to 'security')
-rw-r--r--security/selinux/ss/services.c29
1 files changed, 9 insertions, 20 deletions
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index bb2d2bc869ba..18274b005090 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2336,7 +2336,7 @@ static int selinux_netlbl_secattr_to_sid(struct sk_buff *skb,
selinux_netlbl_cache_add(skb, &ctx_new);
ebitmap_destroy(&ctx_new.range.level[0].cat);
} else {
- *sid = SECINITSID_UNLABELED;
+ *sid = SECSID_NULL;
rc = 0;
}
@@ -2519,7 +2519,7 @@ void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock)
if (netlbl_sock_getattr(sk, &secattr) == 0 &&
selinux_netlbl_secattr_to_sid(NULL,
&secattr,
- sksec->sid,
+ SECINITSID_UNLABELED,
&nlbl_peer_sid) == 0)
sksec->peer_sid = nlbl_peer_sid;
netlbl_secattr_destroy(&secattr);
@@ -2552,9 +2552,6 @@ u32 selinux_netlbl_inet_conn_request(struct sk_buff *skb, u32 sock_sid)
if (rc != 0)
return SECSID_NULL;
- if (peer_sid == SECINITSID_UNLABELED)
- return SECSID_NULL;
-
return peer_sid;
}
@@ -2616,11 +2613,13 @@ int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
u32 netlbl_sid;
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)
return rc;
- if (netlbl_sid == SECINITSID_UNLABELED)
+ if (netlbl_sid == SECSID_NULL)
return 0;
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)
{
struct sk_security_struct *sksec = sock->sk->sk_security;
-
- if (sksec->peer_sid == SECINITSID_UNLABELED)
- return SECSID_NULL;
-
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)
{
int peer_sid;
- struct sock *sk = skb->sk;
- struct inode_security_struct *isec;
- if (sk == NULL || sk->sk_socket == NULL)
- return SECSID_NULL;
-
- 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)
+ if (selinux_netlbl_skbuff_getsid(skb,
+ SECINITSID_UNLABELED,
+ &peer_sid) != 0)
return SECSID_NULL;
return peer_sid;