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gerrit-public.fairphone.software / fp2-dev / kernel / msm / cb969f072b6d67770b559617f14e767f47e77ece / . / security / selinux / include / xfrm.h
blob: 1822c73e5085b5748ffdfe204a4e3a26327be176 [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,
11 struct xfrm_user_sec_ctx *sec_ctx, struct sock *sk);
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,
16 struct xfrm_user_sec_ctx *sec_ctx, struct xfrm_sec_ctx *pol, 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);
22int selinux_xfrm_flow_state_match(struct flowi *fl, struct xfrm_state *xfrm);
Venkat Yekkiralabeb8d132006-08-04 23:12:42 -0700[diff] [blame]23int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall);
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_stream(struct sock *sk);
43u32 selinux_socket_getpeer_dgram(struct sk_buff *skb);
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
57static inline int selinux_socket_getpeer_stream(struct sock *sk)
58{
59 return SECSID_NULL;
60}
61
62static inline int selinux_socket_getpeer_dgram(struct sk_buff *skb)
63{
64 return SECSID_NULL;
65}
Trent Jaegerd28d1e02005-12-13 23:12:40 -0800[diff] [blame]66#endif
67
68#endif /* _SELINUX_XFRM_H_ */