projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| d28d1e08 TJ |
2 | /* |
| 3 | * SELinux support for the XFRM LSM hooks | |
| 4 | * | |
| 5 | * Author : Trent Jaeger, <jaegert@us.ibm.com> | |
| e0d1caa7 | 6 | * Updated : Venkat Yekkirala, <vyekkirala@TrustedCS.com> |
| d28d1e08 TJ |
7 | */ |
| 8 | #ifndef _SELINUX_XFRM_H_ | |
| 9 | #define _SELINUX_XFRM_H_ | |
| 10 | ||
| 778aae84 DH |
11 | #include <net/flow.h> |
| 12 | ||
| 03e1ad7b | 13 | int selinux_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
| 52a4c640 NA |
14 | struct xfrm_user_sec_ctx *uctx, |
| 15 | gfp_t gfp); | |
| 03e1ad7b PM |
16 | int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
| 17 | struct xfrm_sec_ctx **new_ctxp); | |
| 18 | void selinux_xfrm_policy_free(struct xfrm_sec_ctx *ctx); | |
| 19 | int selinux_xfrm_policy_delete(struct xfrm_sec_ctx *ctx); | |
| e0d1caa7 | 20 | int selinux_xfrm_state_alloc(struct xfrm_state *x, |
| 2e5aa866 PM |
21 | struct xfrm_user_sec_ctx *uctx); |
| 22 | int selinux_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
| 23 | struct xfrm_sec_ctx *polsec, u32 secid); | |
| d28d1e08 | 24 | void selinux_xfrm_state_free(struct xfrm_state *x); |
| c8c05a8e | 25 | int selinux_xfrm_state_delete(struct xfrm_state *x); |
| 03e1ad7b | 26 | int selinux_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir); |
| e0d1caa7 | 27 | int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x, |
| d1b17b09 PM |
28 | struct xfrm_policy *xp, |
| 29 | const struct flowi *fl); | |
| d28d1e08 | 30 | |
| d28d1e08 | 31 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
| d621d35e PM |
32 | extern atomic_t selinux_xfrm_refcount; |
| 33 | ||
| 34 | static inline int selinux_xfrm_enabled(void) | |
| 35 | { | |
| 36 | return (atomic_read(&selinux_xfrm_refcount) > 0); | |
| 37 | } | |
| 38 | ||
| eef9b416 PM |
39 | int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb, |
| 40 | struct common_audit_data *ad); | |
| 41 | int selinux_xfrm_postroute_last(u32 sk_sid, struct sk_buff *skb, | |
| 42 | struct common_audit_data *ad, u8 proto); | |
| a51c64f1 | 43 | int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall); |
| 817eff71 | 44 | int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid); |
| 342a0cff VY |
45 | |
| 46 | static inline void selinux_xfrm_notify_policyload(void) | |
| 47 | { | |
| ca4c3fc2 | 48 | struct net *net; |
| 49 | ||
| ca4c3fc2 | 50 | rtnl_lock(); |
| 09c75704 | 51 | for_each_net(net) |
| ca4c3fc2 | 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_ */ |