Commit a51c64f1 authored by Venkat Yekkirala's avatar Venkat Yekkirala Committed by David S. Miller
Browse files

[MLSXFRM]: Fix build with SECURITY_NETWORK_XFRM disabled.



The following patch will fix the build problem (encountered by Andrew
Morton) when SECURITY_NETWORK_XFRM is not enabled.

As compared to git-net-selinux_xfrm_decode_session-build-fix.patch in
-mm, this patch sets the return parameter sid to SECSID_NULL in
selinux_xfrm_decode_session() and handles this value in the caller
selinux_inet_conn_request() appropriately.
Signed-off-by: default avatarVenkat Yekkirala <vyekkirala@TrustedCS.com>
Acked-by: default avatarJames Morris <jmorris@namei.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4237c75c
......@@ -3591,6 +3591,11 @@ int selinux_inet_conn_request(struct sock *sk, struct sk_buff *skb,
err = selinux_xfrm_decode_session(skb, &peersid, 0);
BUG_ON(err);
if (peersid == SECSID_NULL) {
req->secid = sksec->sid;
return 0;
}
err = security_sid_mls_copy(sksec->sid, peersid, &newsid);
if (err)
return err;
......
......@@ -20,7 +20,6 @@ int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir);
int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
struct xfrm_policy *xp, struct flowi *fl);
int selinux_xfrm_flow_state_match(struct flowi *fl, struct xfrm_state *xfrm);
int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall);
/*
......@@ -41,6 +40,7 @@ int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
struct avc_audit_data *ad);
u32 selinux_socket_getpeer_stream(struct sock *sk);
u32 selinux_socket_getpeer_dgram(struct sk_buff *skb);
int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
#else
static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
struct avc_audit_data *ad)
......@@ -63,6 +63,11 @@ static inline int selinux_socket_getpeer_dgram(struct sk_buff *skb)
{
return SECSID_NULL;
}
static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall)
{
*sid = SECSID_NULL;
return 0;
}
#endif
#endif /* _SELINUX_XFRM_H_ */
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