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Trent Jaegerd28d1e02005-12-13 23:12:40 -08001/*
2 * SELinux support for the XFRM LSM hooks
3 *
4 * Author : Trent Jaeger, <jaegert@us.ibm.com>
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07005 * Updated : Venkat Yekkirala, <vyekkirala@TrustedCS.com>
Trent Jaegerd28d1e02005-12-13 23:12:40 -08006 */
7#ifndef _SELINUX_XFRM_H_
8#define _SELINUX_XFRM_H_
9
Venkat Yekkiralacb969f02006-07-24 23:32:20 -070010int selinux_xfrm_policy_alloc(struct xfrm_policy *xp,
Venkat Yekkiralac1a856c2006-11-08 17:03:44 -060011 struct xfrm_user_sec_ctx *sec_ctx);
Trent Jaegerd28d1e02005-12-13 23:12:40 -080012int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new);
13void selinux_xfrm_policy_free(struct xfrm_policy *xp);
Catherine Zhangc8c05a82006-06-08 23:39:49 -070014int selinux_xfrm_policy_delete(struct xfrm_policy *xp);
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -070015int selinux_xfrm_state_alloc(struct xfrm_state *x,
Venkat Yekkiralac1a856c2006-11-08 17:03:44 -060016 struct xfrm_user_sec_ctx *sec_ctx, u32 secid);
Trent Jaegerd28d1e02005-12-13 23:12:40 -080017void selinux_xfrm_state_free(struct xfrm_state *x);
Catherine Zhangc8c05a82006-06-08 23:39:49 -070018int selinux_xfrm_state_delete(struct xfrm_state *x);
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -070019int 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);
Venkat Yekkirala5b368e62006-10-05 15:42:18 -050022int selinux_xfrm_flow_state_match(struct flowi *fl, struct xfrm_state *xfrm,
23 struct xfrm_policy *xp);
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -070024
Trent Jaegerd28d1e02005-12-13 23:12:40 -080025
26/*
27 * Extract the security blob from the sock (it's actually on the socket)
28 */
29static inline struct inode_security_struct *get_sock_isec(struct sock *sk)
30{
31 if (!sk->sk_socket)
32 return NULL;
33
34 return SOCK_INODE(sk->sk_socket)->i_security;
35}
36
Trent Jaegerd28d1e02005-12-13 23:12:40 -080037#ifdef CONFIG_SECURITY_NETWORK_XFRM
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -070038int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb,
39 struct avc_audit_data *ad);
40int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
41 struct avc_audit_data *ad);
Catherine Zhang2c7946a2006-03-20 22:41:23 -080042u32 selinux_socket_getpeer_stream(struct sock *sk);
43u32 selinux_socket_getpeer_dgram(struct sk_buff *skb);
Venkat Yekkiralaa51c64f2006-07-27 22:01:34 -070044int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
Trent Jaegerd28d1e02005-12-13 23:12:40 -080045#else
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -070046static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
47 struct avc_audit_data *ad)
Trent Jaegerd28d1e02005-12-13 23:12:40 -080048{
49 return 0;
50}
51
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -070052static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
53 struct avc_audit_data *ad)
Trent Jaegerd28d1e02005-12-13 23:12:40 -080054{
James Morris4e5ab4c2006-06-09 00:33:33 -070055 return 0;
Trent Jaegerd28d1e02005-12-13 23:12:40 -080056}
Catherine Zhange6f50712006-03-20 22:49:00 -080057
58static inline int selinux_socket_getpeer_stream(struct sock *sk)
59{
60 return SECSID_NULL;
61}
62
63static inline int selinux_socket_getpeer_dgram(struct sk_buff *skb)
64{
65 return SECSID_NULL;
66}
Venkat Yekkiralaa51c64f2006-07-27 22:01:34 -070067static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall)
68{
69 *sid = SECSID_NULL;
70 return 0;
71}
Trent Jaegerd28d1e02005-12-13 23:12:40 -080072#endif
73
74#endif /* _SELINUX_XFRM_H_ */