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-rw-r--r--security/selinux/include/xfrm.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
new file mode 100644
index 0000000..8e87996
--- /dev/null
+++ b/security/selinux/include/xfrm.h
@@ -0,0 +1,54 @@
+/*
+ * SELinux support for the XFRM LSM hooks
+ *
+ * Author : Trent Jaeger, <jaegert@us.ibm.com>
+ */
+#ifndef _SELINUX_XFRM_H_
+#define _SELINUX_XFRM_H_
+
+int selinux_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx);
+int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new);
+void selinux_xfrm_policy_free(struct xfrm_policy *xp);
+int selinux_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
+void selinux_xfrm_state_free(struct xfrm_state *x);
+int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 sk_sid, u8 dir);
+
+/*
+ * Extract the security blob from the sock (it's actually on the socket)
+ */
+static inline struct inode_security_struct *get_sock_isec(struct sock *sk)
+{
+ if (!sk->sk_socket)
+ return NULL;
+
+ return SOCK_INODE(sk->sk_socket)->i_security;
+}
+
+
+static inline u32 selinux_no_sk_sid(struct flowi *fl)
+{
+ /* NOTE: no sock occurs on ICMP reply, forwards, ... */
+ /* icmp_reply: authorize as kernel packet */
+ if (fl && fl->proto == IPPROTO_ICMP) {
+ return SECINITSID_KERNEL;
+ }
+
+ return SECINITSID_ANY_SOCKET;
+}
+
+#ifdef CONFIG_SECURITY_NETWORK_XFRM
+int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb);
+int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb);
+#else
+static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb)
+{
+ return 0;
+}
+
+static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb)
+{
+ return NF_ACCEPT;
+}
+#endif
+
+#endif /* _SELINUX_XFRM_H_ */
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