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-rw-r--r--security/selinux/include/xfrm.h43
1 files changed, 24 insertions, 19 deletions
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
index c96498a10eb8..81eb59890162 100644
--- a/security/selinux/include/xfrm.h
+++ b/security/selinux/include/xfrm.h
@@ -2,18 +2,25 @@
2 * SELinux support for the XFRM LSM hooks 2 * SELinux support for the XFRM LSM hooks
3 * 3 *
4 * Author : Trent Jaeger, <jaegert@us.ibm.com> 4 * Author : Trent Jaeger, <jaegert@us.ibm.com>
5 * Updated : Venkat Yekkirala, <vyekkirala@TrustedCS.com>
5 */ 6 */
6#ifndef _SELINUX_XFRM_H_ 7#ifndef _SELINUX_XFRM_H_
7#define _SELINUX_XFRM_H_ 8#define _SELINUX_XFRM_H_
8 9
9int selinux_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx); 10int selinux_xfrm_policy_alloc(struct xfrm_policy *xp,
11 struct xfrm_user_sec_ctx *sec_ctx, struct sock *sk);
10int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new); 12int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new);
11void selinux_xfrm_policy_free(struct xfrm_policy *xp); 13void selinux_xfrm_policy_free(struct xfrm_policy *xp);
12int selinux_xfrm_policy_delete(struct xfrm_policy *xp); 14int selinux_xfrm_policy_delete(struct xfrm_policy *xp);
13int selinux_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx); 15int selinux_xfrm_state_alloc(struct xfrm_state *x,
16 struct xfrm_user_sec_ctx *sec_ctx, struct xfrm_sec_ctx *pol, u32 secid);
14void selinux_xfrm_state_free(struct xfrm_state *x); 17void selinux_xfrm_state_free(struct xfrm_state *x);
15int selinux_xfrm_state_delete(struct xfrm_state *x); 18int selinux_xfrm_state_delete(struct xfrm_state *x);
16int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 sk_sid, u8 dir); 19int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir);
20int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
21 struct xfrm_policy *xp, struct flowi *fl);
22int selinux_xfrm_flow_state_match(struct flowi *fl, struct xfrm_state *xfrm);
23
17 24
18/* 25/*
19 * Extract the security blob from the sock (it's actually on the socket) 26 * Extract the security blob from the sock (it's actually on the socket)
@@ -26,30 +33,23 @@ static inline struct inode_security_struct *get_sock_isec(struct sock *sk)
26 return SOCK_INODE(sk->sk_socket)->i_security; 33 return SOCK_INODE(sk->sk_socket)->i_security;
27} 34}
28 35
29
30static inline u32 selinux_no_sk_sid(struct flowi *fl)
31{
32 /* NOTE: no sock occurs on ICMP reply, forwards, ... */
33 /* icmp_reply: authorize as kernel packet */
34 if (fl && fl->proto == IPPROTO_ICMP) {
35 return SECINITSID_KERNEL;
36 }
37
38 return SECINITSID_ANY_SOCKET;
39}
40
41#ifdef CONFIG_SECURITY_NETWORK_XFRM 36#ifdef CONFIG_SECURITY_NETWORK_XFRM
42int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb); 37int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb,
43int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb); 38 struct avc_audit_data *ad);
39int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
40 struct avc_audit_data *ad);
44u32 selinux_socket_getpeer_stream(struct sock *sk); 41u32 selinux_socket_getpeer_stream(struct sock *sk);
45u32 selinux_socket_getpeer_dgram(struct sk_buff *skb); 42u32 selinux_socket_getpeer_dgram(struct sk_buff *skb);
43int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
46#else 44#else
47static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb) 45static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
46 struct avc_audit_data *ad)
48{ 47{
49 return 0; 48 return 0;
50} 49}
51 50
52static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb) 51static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
52 struct avc_audit_data *ad)
53{ 53{
54 return 0; 54 return 0;
55} 55}
@@ -63,6 +63,11 @@ static inline int selinux_socket_getpeer_dgram(struct sk_buff *skb)
63{ 63{
64 return SECSID_NULL; 64 return SECSID_NULL;
65} 65}
66static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall)
67{
68 *sid = SECSID_NULL;
69 return 0;
70}
66#endif 71#endif
67 72
68#endif /* _SELINUX_XFRM_H_ */ 73#endif /* _SELINUX_XFRM_H_ */