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Commit | Line | Data |
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d28d1e08 TJ |
1 | /* |
2 | * SELinux support for the XFRM LSM hooks | |
3 | * | |
4 | * Author : Trent Jaeger, <jaegert@us.ibm.com> | |
e0d1caa7 | 5 | * Updated : Venkat Yekkirala, <vyekkirala@TrustedCS.com> |
d28d1e08 TJ |
6 | */ |
7 | #ifndef _SELINUX_XFRM_H_ | |
8 | #define _SELINUX_XFRM_H_ | |
9 | ||
778aae84 DH |
10 | #include <net/flow.h> |
11 | ||
03e1ad7b | 12 | int selinux_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
52a4c640 NA |
13 | struct xfrm_user_sec_ctx *uctx, |
14 | gfp_t gfp); | |
03e1ad7b PM |
15 | int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
16 | struct xfrm_sec_ctx **new_ctxp); | |
17 | void selinux_xfrm_policy_free(struct xfrm_sec_ctx *ctx); | |
18 | int selinux_xfrm_policy_delete(struct xfrm_sec_ctx *ctx); | |
e0d1caa7 | 19 | int selinux_xfrm_state_alloc(struct xfrm_state *x, |
2e5aa866 PM |
20 | struct xfrm_user_sec_ctx *uctx); |
21 | int selinux_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
22 | struct xfrm_sec_ctx *polsec, u32 secid); | |
d28d1e08 | 23 | void selinux_xfrm_state_free(struct xfrm_state *x); |
c8c05a8e | 24 | int selinux_xfrm_state_delete(struct xfrm_state *x); |
03e1ad7b | 25 | int selinux_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir); |
e0d1caa7 | 26 | int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x, |
d1b17b09 PM |
27 | struct xfrm_policy *xp, |
28 | const struct flowi *fl); | |
d28d1e08 | 29 | |
d28d1e08 | 30 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
d621d35e PM |
31 | extern atomic_t selinux_xfrm_refcount; |
32 | ||
33 | static inline int selinux_xfrm_enabled(void) | |
34 | { | |
35 | return (atomic_read(&selinux_xfrm_refcount) > 0); | |
36 | } | |
37 | ||
eef9b416 PM |
38 | int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb, |
39 | struct common_audit_data *ad); | |
40 | int selinux_xfrm_postroute_last(u32 sk_sid, struct sk_buff *skb, | |
41 | struct common_audit_data *ad, u8 proto); | |
a51c64f1 | 42 | int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall); |
817eff71 | 43 | int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid); |
342a0cff VY |
44 | |
45 | static inline void selinux_xfrm_notify_policyload(void) | |
46 | { | |
ca4c3fc2 | 47 | struct net *net; |
48 | ||
342a0cff | 49 | atomic_inc(&flow_cache_genid); |
ca4c3fc2 | 50 | rtnl_lock(); |
51 | for_each_net(net) | |
52 | rt_genid_bump_all(net); | |
53 | rtnl_unlock(); | |
342a0cff | 54 | } |
d28d1e08 | 55 | #else |
d621d35e PM |
56 | static inline int selinux_xfrm_enabled(void) |
57 | { | |
58 | return 0; | |
59 | } | |
60 | ||
eef9b416 PM |
61 | static inline int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb, |
62 | struct common_audit_data *ad) | |
d28d1e08 TJ |
63 | { |
64 | return 0; | |
65 | } | |
66 | ||
eef9b416 PM |
67 | static inline int selinux_xfrm_postroute_last(u32 sk_sid, struct sk_buff *skb, |
68 | struct common_audit_data *ad, | |
69 | u8 proto) | |
d28d1e08 | 70 | { |
4e5ab4cb | 71 | return 0; |
d28d1e08 | 72 | } |
e6f50719 | 73 | |
d1b17b09 PM |
74 | static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, |
75 | int ckall) | |
a51c64f1 VY |
76 | { |
77 | *sid = SECSID_NULL; | |
78 | return 0; | |
79 | } | |
342a0cff VY |
80 | |
81 | static inline void selinux_xfrm_notify_policyload(void) | |
82 | { | |
83 | } | |
d28d1e08 | 84 | |
817eff71 | 85 | static inline int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid) |
6b877699 | 86 | { |
817eff71 PM |
87 | *sid = SECSID_NULL; |
88 | return 0; | |
6b877699 | 89 | } |
817eff71 | 90 | #endif |
6b877699 | 91 | |
d28d1e08 | 92 | #endif /* _SELINUX_XFRM_H_ */ |