2 * SELinux support for the XFRM LSM hooks
4 * Author : Trent Jaeger, <jaegert@us.ibm.com>
5 * Updated : Venkat Yekkirala, <vyekkirala@TrustedCS.com>
7 #ifndef _SELINUX_XFRM_H_
8 #define _SELINUX_XFRM_H_
10 int selinux_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx);
11 int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new);
12 void selinux_xfrm_policy_free(struct xfrm_policy *xp);
13 int selinux_xfrm_policy_delete(struct xfrm_policy *xp);
14 int selinux_xfrm_state_alloc(struct xfrm_state *x,
15 struct xfrm_user_sec_ctx *sec_ctx, struct xfrm_sec_ctx *pol, u32 secid);
16 void selinux_xfrm_state_free(struct xfrm_state *x);
17 int selinux_xfrm_state_delete(struct xfrm_state *x);
18 int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir);
19 int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
20 struct xfrm_policy *xp, struct flowi *fl);
21 int selinux_xfrm_flow_state_match(struct flowi *fl, struct xfrm_state *xfrm);
22 int selinux_xfrm_decode_session(struct sk_buff *skb, struct flowi *fl);
26 * Extract the security blob from the sock (it's actually on the socket)
28 static inline struct inode_security_struct *get_sock_isec(struct sock *sk)
33 return SOCK_INODE(sk->sk_socket)->i_security;
37 static inline u32 selinux_no_sk_sid(struct flowi *fl)
39 /* NOTE: no sock occurs on ICMP reply, forwards, ... */
40 /* icmp_reply: authorize as kernel packet */
41 if (fl && fl->proto == IPPROTO_ICMP) {
42 return SECINITSID_KERNEL;
45 return SECINITSID_ANY_SOCKET;
48 #ifdef CONFIG_SECURITY_NETWORK_XFRM
49 int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb,
50 struct avc_audit_data *ad);
51 int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
52 struct avc_audit_data *ad);
53 u32 selinux_socket_getpeer_stream(struct sock *sk);
54 u32 selinux_socket_getpeer_dgram(struct sk_buff *skb);
56 static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
57 struct avc_audit_data *ad)
62 static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
63 struct avc_audit_data *ad)
68 static inline int selinux_socket_getpeer_stream(struct sock *sk)
73 static inline int selinux_socket_getpeer_dgram(struct sk_buff *skb)
79 #endif /* _SELINUX_XFRM_H_ */