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> | |
| 5 | */ | |
| 6 | #ifndef _SELINUX_XFRM_H_ | |
| 7 | #define _SELINUX_XFRM_H_ | |
| 8 | ||
| 9 | int selinux_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx); | |
| 10 | int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new); | |
| 11 | void selinux_xfrm_policy_free(struct xfrm_policy *xp); | |
| c8c05a8e | 12 | int selinux_xfrm_policy_delete(struct xfrm_policy *xp); |
| d28d1e08 TJ |
13 | int selinux_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx); |
| 14 | void selinux_xfrm_state_free(struct xfrm_state *x); | |
| c8c05a8e | 15 | int selinux_xfrm_state_delete(struct xfrm_state *x); |
| d28d1e08 TJ |
16 | int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 sk_sid, u8 dir); |
| 17 | ||
| 18 | /* | |
| 19 | * Extract the security blob from the sock (it's actually on the socket) | |
| 20 | */ | |
| 21 | static inline struct inode_security_struct *get_sock_isec(struct sock *sk) | |
| 22 | { | |
| 23 | if (!sk->sk_socket) | |
| 24 | return NULL; | |
| 25 | ||
| 26 | return SOCK_INODE(sk->sk_socket)->i_security; | |
| 27 | } | |
| 28 | ||
| 29 | ||
| 30 | static inline u32 selinux_no_sk_sid(struct flowi *fl) | |
| 31 | { | |
| 32 | /* NOTE: no sock occurs on ICMP reply, forwards, ... */ | |
| 33 | /* icmp_reply: authorize as kernel packet */ | |
| 34 | if (fl && fl->proto == IPPROTO_ICMP) { | |
| 35 | return SECINITSID_KERNEL; | |
| 36 | } | |
| 37 | ||
| 38 | return SECINITSID_ANY_SOCKET; | |
| 39 | } | |
| 40 | ||
| 41 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
| 42 | int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb); | |
| 43 | int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb); | |
| 2c7946a7 CZ |
44 | u32 selinux_socket_getpeer_stream(struct sock *sk); |
| 45 | u32 selinux_socket_getpeer_dgram(struct sk_buff *skb); | |
| d28d1e08 TJ |
46 | #else |
| 47 | static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb) | |
| 48 | { | |
| 49 | return 0; | |
| 50 | } | |
| 51 | ||
| 52 | static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb) | |
| 53 | { | |
| 54 | return NF_ACCEPT; | |
| 55 | } | |
| e6f50719 CZ |
56 | |
| 57 | static inline int selinux_socket_getpeer_stream(struct sock *sk) | |
| 58 | { | |
| 59 | return SECSID_NULL; | |
| 60 | } | |
| 61 | ||
| 62 | static inline int selinux_socket_getpeer_dgram(struct sk_buff *skb) | |
| 63 | { | |
| 64 | return SECSID_NULL; | |
| 65 | } | |
| d28d1e08 TJ |
66 | #endif |
| 67 | ||
| 68 | #endif /* _SELINUX_XFRM_H_ */ |