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 *uctx);
20 int selinux_xfrm_state_alloc_acquire(struct xfrm_state *x,
21 struct xfrm_sec_ctx *polsec, u32 secid);
22 void selinux_xfrm_state_free(struct xfrm_state *x);
23 int selinux_xfrm_state_delete(struct xfrm_state *x);
24 int selinux_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
25 int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
26 struct xfrm_policy *xp, const struct flowi *fl);
29 * Extract the security blob from the sock (it's actually on the socket)
31 static inline struct inode_security_struct *get_sock_isec(struct sock *sk)
36 return SOCK_INODE(sk->sk_socket)->i_security;
39 #ifdef CONFIG_SECURITY_NETWORK_XFRM
40 extern atomic_t selinux_xfrm_refcount;
42 static inline int selinux_xfrm_enabled(void)
44 return (atomic_read(&selinux_xfrm_refcount) > 0);
47 int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb,
48 struct common_audit_data *ad);
49 int selinux_xfrm_postroute_last(u32 sk_sid, struct sk_buff *skb,
50 struct common_audit_data *ad, u8 proto);
51 int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
53 static inline void selinux_xfrm_notify_policyload(void)
55 atomic_inc(&flow_cache_genid);
56 rt_genid_bump(&init_net);
59 static inline int selinux_xfrm_enabled(void)
64 static inline int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb,
65 struct common_audit_data *ad)
70 static inline int selinux_xfrm_postroute_last(u32 sk_sid, struct sk_buff *skb,
71 struct common_audit_data *ad,
77 static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall)
83 static inline void selinux_xfrm_notify_policyload(void)
88 static inline void selinux_skb_xfrm_sid(struct sk_buff *skb, u32 *sid)
90 int err = selinux_xfrm_decode_session(skb, sid, 0);
94 #endif /* _SELINUX_XFRM_H_ */