projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| ca4c3fc2 | 49 | rtnl_lock(); |
| ca925cf1 FD |
50 | for_each_net(net) { |
| 51 | atomic_inc(&net->xfrm.flow_cache_genid); | |
| ca4c3fc2 | 52 | rt_genid_bump_all(net); |
| ca925cf1 | 53 | } |
| ca4c3fc2 | 54 | rtnl_unlock(); |
| 342a0cff | 55 | } |
| d28d1e08 | 56 | #else |
| d621d35e PM |
57 | static inline int selinux_xfrm_enabled(void) |
| 58 | { | |
| 59 | return 0; | |
| 60 | } | |
| 61 | ||
| eef9b416 PM |
62 | static inline int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb, |
| 63 | struct common_audit_data *ad) | |
| d28d1e08 TJ |
64 | { |
| 65 | return 0; | |
| 66 | } | |
| 67 | ||
| eef9b416 PM |
68 | static inline int selinux_xfrm_postroute_last(u32 sk_sid, struct sk_buff *skb, |
| 69 | struct common_audit_data *ad, | |
| 70 | u8 proto) | |
| d28d1e08 | 71 | { |
| 4e5ab4cb | 72 | return 0; |
| d28d1e08 | 73 | } |
| e6f50719 | 74 | |
| d1b17b09 PM |
75 | static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, |
| 76 | int ckall) | |
| a51c64f1 VY |
77 | { |
| 78 | *sid = SECSID_NULL; | |
| 79 | return 0; | |
| 80 | } | |
| 342a0cff VY |
81 | |
| 82 | static inline void selinux_xfrm_notify_policyload(void) | |
| 83 | { | |
| 84 | } | |
| d28d1e08 | 85 | |
| 817eff71 | 86 | static inline int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid) |
| 6b877699 | 87 | { |
| 817eff71 PM |
88 | *sid = SECSID_NULL; |
| 89 | return 0; | |
| 6b877699 | 90 | } |
| 817eff71 | 91 | #endif |
| 6b877699 | 92 | |
| d28d1e08 | 93 | #endif /* _SELINUX_XFRM_H_ */ |