projects / linux-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 | ||
| 10 | int selinux_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx); | |
| 11 | int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new); | |
| 12 | void selinux_xfrm_policy_free(struct xfrm_policy *xp); | |
| c8c05a8e | 13 | int selinux_xfrm_policy_delete(struct xfrm_policy *xp); |
| e0d1caa7 VY |
14 | int selinux_xfrm_state_alloc(struct xfrm_state *x, |
| 15 | struct xfrm_user_sec_ctx *sec_ctx, struct xfrm_sec_ctx *pol, u32 secid); | |
| d28d1e08 | 16 | void selinux_xfrm_state_free(struct xfrm_state *x); |
| c8c05a8e | 17 | int selinux_xfrm_state_delete(struct xfrm_state *x); |
| e0d1caa7 VY |
18 | int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir); |
| 19 | int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
| 20 | struct xfrm_policy *xp, struct flowi *fl); | |
| 21 | int selinux_xfrm_flow_state_match(struct flowi *fl, struct xfrm_state *xfrm); | |
| 22 | int selinux_xfrm_decode_session(struct sk_buff *skb, struct flowi *fl); | |
| 23 | ||
| d28d1e08 TJ |
24 | |
| 25 | /* | |
| 26 | * Extract the security blob from the sock (it's actually on the socket) | |
| 27 | */ | |
| 28 | static inline struct inode_security_struct *get_sock_isec(struct sock *sk) | |
| 29 | { | |
| 30 | if (!sk->sk_socket) | |
| 31 | return NULL; | |
| 32 | ||
| 33 | return SOCK_INODE(sk->sk_socket)->i_security; | |
| 34 | } | |
| 35 | ||
| 36 | ||
| 37 | static inline u32 selinux_no_sk_sid(struct flowi *fl) | |
| 38 | { | |
| 39 | /* NOTE: no sock occurs on ICMP reply, forwards, ... */ | |
| 40 | /* icmp_reply: authorize as kernel packet */ | |
| 41 | if (fl && fl->proto == IPPROTO_ICMP) { | |
| 42 | return SECINITSID_KERNEL; | |
| 43 | } | |
| 44 | ||
| 45 | return SECINITSID_ANY_SOCKET; | |
| 46 | } | |
| 47 | ||
| 48 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
| e0d1caa7 VY |
49 | int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb, |
| 50 | struct avc_audit_data *ad); | |
| 51 | int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb, | |
| 52 | struct avc_audit_data *ad); | |
| 2c7946a7 CZ |
53 | u32 selinux_socket_getpeer_stream(struct sock *sk); |
| 54 | u32 selinux_socket_getpeer_dgram(struct sk_buff *skb); | |
| d28d1e08 | 55 | #else |
| e0d1caa7 VY |
56 | static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb, |
| 57 | struct avc_audit_data *ad) | |
| d28d1e08 TJ |
58 | { |
| 59 | return 0; | |
| 60 | } | |
| 61 | ||
| e0d1caa7 VY |
62 | static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb, |
| 63 | struct avc_audit_data *ad) | |
| d28d1e08 | 64 | { |
| 4e5ab4cb | 65 | return 0; |
| d28d1e08 | 66 | } |
| e6f50719 CZ |
67 | |
| 68 | static inline int selinux_socket_getpeer_stream(struct sock *sk) | |
| 69 | { | |
| 70 | return SECSID_NULL; | |
| 71 | } | |
| 72 | ||
| 73 | static inline int selinux_socket_getpeer_dgram(struct sk_buff *skb) | |
| 74 | { | |
| 75 | return SECSID_NULL; | |
| 76 | } | |
| d28d1e08 TJ |
77 | #endif |
| 78 | ||
| 79 | #endif /* _SELINUX_XFRM_H_ */ |