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gerrit-public.fairphone.software / kernel / msm-4.9 / 6b877699c6f1efede4545bcecc367786a472eedb / . / security / selinux / include / xfrm.h
blob: 27502365d70608e4ed05d8833a0d4da119ffee58 [file] [log] [blame]
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]1/*
2 * SELinux support for the XFRM LSM hooks
3 *
4 * Author : Trent Jaeger, <jaegert@us.ibm.com>
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -0700[diff] [blame]5 * Updated : Venkat Yekkirala, <vyekkirala@TrustedCS.com>
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]6 */
7#ifndef _SELINUX_XFRM_H_
8#define _SELINUX_XFRM_H_
9
Venkat Yekkiralacb969f02006-07-24 23:32:20 -0700[diff] [blame]10int selinux_xfrm_policy_alloc(struct xfrm_policy *xp,
Venkat Yekkiralac1a856c2006-11-08 17:03:44 -0600[diff] [blame]11 struct xfrm_user_sec_ctx *sec_ctx);
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]12int 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 -0700[diff] [blame]14int selinux_xfrm_policy_delete(struct xfrm_policy *xp);
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -0700[diff] [blame]15int selinux_xfrm_state_alloc(struct xfrm_state *x,
Venkat Yekkiralac1a856c2006-11-08 17:03:44 -0600[diff] [blame]16 struct xfrm_user_sec_ctx *sec_ctx, u32 secid);
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]17void selinux_xfrm_state_free(struct xfrm_state *x);
Catherine Zhangc8c05a82006-06-08 23:39:49 -0700[diff] [blame]18int selinux_xfrm_state_delete(struct xfrm_state *x);
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -0700[diff] [blame]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);
Venkat Yekkirala5b368e62006-10-05 15:42:18 -0500[diff] [blame]22int selinux_xfrm_flow_state_match(struct flowi *fl, struct xfrm_state *xfrm,
23 struct xfrm_policy *xp);
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -0700[diff] [blame]24
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]25
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 -0800[diff] [blame]37#ifdef CONFIG_SECURITY_NETWORK_XFRM
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -0700[diff] [blame]38int 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 -0800[diff] [blame]42u32 selinux_socket_getpeer_dgram(struct sk_buff *skb);
Venkat Yekkiralaa51c64f2006-07-27 22:01:34 -0700[diff] [blame]43int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]44#else
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -0700[diff] [blame]45static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
46 struct avc_audit_data *ad)
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]47{
48 return 0;
49}
50
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -0700[diff] [blame]51static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
52 struct avc_audit_data *ad)
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]53{
James Morris4e5ab4c2006-06-09 00:33:33 -0700[diff] [blame]54 return 0;
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]55}
Catherine Zhange6f50712006-03-20 22:49:00 -0800[diff] [blame]56
Catherine Zhange6f50712006-03-20 22:49:00 -0800[diff] [blame]57static inline int selinux_socket_getpeer_dgram(struct sk_buff *skb)
58{
59 return SECSID_NULL;
60}
Venkat Yekkiralaa51c64f2006-07-27 22:01:34 -0700[diff] [blame]61static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall)
62{
63 *sid = SECSID_NULL;
64 return 0;
65}
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]66#endif
67
Venkat Yekkirala6b877692006-11-08 17:04:09 -0600[diff] [blame^]68static inline void selinux_skb_xfrm_sid(struct sk_buff *skb, u32 *sid)
69{
70 int err = selinux_xfrm_decode_session(skb, sid, 0);
71 BUG_ON(err);
72}
73
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]74#endif /* _SELINUX_XFRM_H_ */