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_
12 int selinux_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
13 struct xfrm_user_sec_ctx *sec_ctx);
14 int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
15 struct xfrm_sec_ctx **new_ctxp);
16 void selinux_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
17 int selinux_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
18 int selinux_xfrm_state_alloc(struct xfrm_state *x,
19 struct xfrm_user_sec_ctx *sec_ctx, u32 secid);
20 void selinux_xfrm_state_free(struct xfrm_state *x);
21 int selinux_xfrm_state_delete(struct xfrm_state *x);
22 int selinux_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
23 int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
24 struct xfrm_policy *xp, const struct flowi *fl);
27 * Extract the security blob from the sock (it's actually on the socket)
29 static inline struct inode_security_struct *get_sock_isec(struct sock *sk)
34 return SOCK_INODE(sk->sk_socket)->i_security;
37 #ifdef CONFIG_SECURITY_NETWORK_XFRM
38 extern atomic_t selinux_xfrm_refcount;
40 static inline int selinux_xfrm_enabled(void)
42 return (atomic_read(&selinux_xfrm_refcount) > 0);
45 int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb,
46 struct common_audit_data *ad);
47 int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
48 struct common_audit_data *ad, u8 proto);
49 int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
51 static inline void selinux_xfrm_notify_policyload(void)
53 atomic_inc(&flow_cache_genid);
56 static inline int selinux_xfrm_enabled(void)
61 static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
62 struct common_audit_data *ad)
67 static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
68 struct common_audit_data *ad, u8 proto)
73 static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall)
79 static inline void selinux_xfrm_notify_policyload(void)
84 static inline void selinux_skb_xfrm_sid(struct sk_buff *skb, u32 *sid)
86 int err = selinux_xfrm_decode_session(skb, sid, 0);
90 #endif /* _SELINUX_XFRM_H_ */