projects / deliverable / linux.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 | ||
| cb969f07 | 10 | int selinux_xfrm_policy_alloc(struct xfrm_policy *xp, |
| c1a856c9 | 11 | struct xfrm_user_sec_ctx *sec_ctx); |
| d28d1e08 TJ |
12 | int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new); |
| 13 | void selinux_xfrm_policy_free(struct xfrm_policy *xp); | |
| c8c05a8e | 14 | int selinux_xfrm_policy_delete(struct xfrm_policy *xp); |
| e0d1caa7 | 15 | int selinux_xfrm_state_alloc(struct xfrm_state *x, |
| c1a856c9 | 16 | struct xfrm_user_sec_ctx *sec_ctx, u32 secid); |
| d28d1e08 | 17 | void selinux_xfrm_state_free(struct xfrm_state *x); |
| c8c05a8e | 18 | int selinux_xfrm_state_delete(struct xfrm_state *x); |
| e0d1caa7 VY |
19 | int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir); |
| 20 | int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
| 21 | struct xfrm_policy *xp, struct flowi *fl); | |
| 5b368e61 VY |
22 | int selinux_xfrm_flow_state_match(struct flowi *fl, struct xfrm_state *xfrm, |
| 23 | struct xfrm_policy *xp); | |
| e0d1caa7 | 24 | |
| d28d1e08 TJ |
25 | |
| 26 | /* | |
| 27 | * Extract the security blob from the sock (it's actually on the socket) | |
| 28 | */ | |
| 29 | static 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 | ||
| d28d1e08 | 37 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
| e0d1caa7 VY |
38 | int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb, |
| 39 | struct avc_audit_data *ad); | |
| 40 | int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb, | |
| 41 | struct avc_audit_data *ad); | |
| 2c7946a7 | 42 | u32 selinux_socket_getpeer_dgram(struct sk_buff *skb); |
| a51c64f1 | 43 | int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall); |
| d28d1e08 | 44 | #else |
| e0d1caa7 VY |
45 | static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb, |
| 46 | struct avc_audit_data *ad) | |
| d28d1e08 TJ |
47 | { |
| 48 | return 0; | |
| 49 | } | |
| 50 | ||
| e0d1caa7 VY |
51 | static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb, |
| 52 | struct avc_audit_data *ad) | |
| d28d1e08 | 53 | { |
| 4e5ab4cb | 54 | return 0; |
| d28d1e08 | 55 | } |
| e6f50719 | 56 | |
| e6f50719 CZ |
57 | static inline int selinux_socket_getpeer_dgram(struct sk_buff *skb) |
| 58 | { | |
| 59 | return SECSID_NULL; | |
| 60 | } | |
| a51c64f1 VY |
61 | static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall) |
| 62 | { | |
| 63 | *sid = SECSID_NULL; | |
| 64 | return 0; | |
| 65 | } | |
| d28d1e08 TJ |
66 | #endif |
| 67 | ||
| 6b877699 VY |
68 | static 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 | ||
| d28d1e08 | 74 | #endif /* _SELINUX_XFRM_H_ */ |