X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fsecurity.h;h=84cebcdb3f833e0f6fb061ed724123f32095e3c3;hb=6b877699c6f1efede4545bcecc367786a472eedb;hp=9b5fea81f55e4e96dfdca7fb83a3ecd0834c2137;hpb=7ff3e52cf2947ebd38c84159af68e5a29d228f6c;p=pandora-kernel.git

diff --git a/include/linux/security.h b/include/linux/security.h
index 9b5fea81f55e..84cebcdb3f83 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -826,6 +826,8 @@ struct request_sock;
  *	Sets the openreq's sid to socket's sid with MLS portion taken from peer sid.
  * @inet_csk_clone:
  *	Sets the new child socket's sid to the openreq sid.
+ * @inet_conn_established:
+ *     Sets the connection's peersid to the secmark on skb.
  * @req_classify_flow:
  *	Sets the flow's sid to the openreq sid.
  *
@@ -836,10 +838,8 @@ struct request_sock;
  *	used by the XFRM system.
  *	@sec_ctx contains the security context information being provided by
  *	the user-level policy update program (e.g., setkey).
- *	@sk refers to the sock from which to derive the security context.
  *	Allocate a security structure to the xp->security field; the security
- *	field is initialized to NULL when the xfrm_policy is allocated. Only
- *	one of sec_ctx or sock can be specified.
+ *	field is initialized to NULL when the xfrm_policy is allocated.
  *	Return 0 if operation was successful (memory to allocate, legal context)
  * @xfrm_policy_clone_security:
  *	@old contains an existing xfrm_policy in the SPD.
@@ -858,9 +858,6 @@ struct request_sock;
  *	Database by the XFRM system.
  *	@sec_ctx contains the security context information being provided by
  *	the user-level SA generation program (e.g., setkey or racoon).
- *	@polsec contains the security context information associated with a xfrm
- *	policy rule from which to take the base context. polsec must be NULL
- *	when sec_ctx is specified.
  *	@secid contains the secid from which to take the mls portion of the context.
  *	Allocate a security structure to the x->security field; the security
  *	field is initialized to NULL when the xfrm_state is allocated. Set the
@@ -882,7 +879,8 @@ struct request_sock;
  *	Check permission when a flow selects a xfrm_policy for processing
  *	XFRMs on a packet.  The hook is called when selecting either a
  *	per-socket policy or a generic xfrm policy.
- *	Return 0 if permission is granted.
+ *	Return 0 if permission is granted, -ESRCH otherwise, or -errno
+ *	on other errors.
  * @xfrm_state_pol_flow_match:
  *	@x contains the state to match.
  *	@xp contains the policy to check for a match.
@@ -891,6 +889,7 @@ struct request_sock;
  * @xfrm_flow_state_match:
  *	@fl contains the flow key to match.
  *	@xfrm points to the xfrm_state to match.
+ *	@xp points to the xfrm_policy to match.
  *	Return 1 if there is a match.
  * @xfrm_decode_session:
  *	@skb points to skb to decode.
@@ -1371,24 +1370,26 @@ struct security_operations {
 	int (*inet_conn_request)(struct sock *sk, struct sk_buff *skb,
 					struct request_sock *req);
 	void (*inet_csk_clone)(struct sock *newsk, const struct request_sock *req);
+	void (*inet_conn_established)(struct sock *sk, struct sk_buff *skb);
 	void (*req_classify_flow)(const struct request_sock *req, struct flowi *fl);
 #endif	/* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
 	int (*xfrm_policy_alloc_security) (struct xfrm_policy *xp,
-			struct xfrm_user_sec_ctx *sec_ctx, struct sock *sk);
+			struct xfrm_user_sec_ctx *sec_ctx);
 	int (*xfrm_policy_clone_security) (struct xfrm_policy *old, struct xfrm_policy *new);
 	void (*xfrm_policy_free_security) (struct xfrm_policy *xp);
 	int (*xfrm_policy_delete_security) (struct xfrm_policy *xp);
 	int (*xfrm_state_alloc_security) (struct xfrm_state *x,
-		struct xfrm_user_sec_ctx *sec_ctx, struct xfrm_sec_ctx *polsec,
+		struct xfrm_user_sec_ctx *sec_ctx,
 		u32 secid);
 	void (*xfrm_state_free_security) (struct xfrm_state *x);
 	int (*xfrm_state_delete_security) (struct xfrm_state *x);
 	int (*xfrm_policy_lookup)(struct xfrm_policy *xp, u32 fl_secid, u8 dir);
 	int (*xfrm_state_pol_flow_match)(struct xfrm_state *x,
 			struct xfrm_policy *xp, struct flowi *fl);
-	int (*xfrm_flow_state_match)(struct flowi *fl, struct xfrm_state *xfrm);
+	int (*xfrm_flow_state_match)(struct flowi *fl, struct xfrm_state *xfrm,
+			struct xfrm_policy *xp);
 	int (*xfrm_decode_session)(struct sk_buff *skb, u32 *secid, int ckall);
 #endif	/* CONFIG_SECURITY_NETWORK_XFRM */
 
@@ -2963,9 +2964,15 @@ static inline void security_inet_csk_clone(struct sock *newsk,
 {
 	security_ops->inet_csk_clone(newsk, req);
 }
+
+static inline void security_inet_conn_established(struct sock *sk,
+			struct sk_buff *skb)
+{
+	security_ops->inet_conn_established(sk, skb);
+}
 #else	/* CONFIG_SECURITY_NETWORK */
 static inline int security_unix_stream_connect(struct socket * sock,
-					       struct socket * other, 
+					       struct socket * other,
 					       struct sock * newsk)
 {
 	return 0;
@@ -3112,17 +3119,17 @@ static inline void security_inet_csk_clone(struct sock *newsk,
 			const struct request_sock *req)
 {
 }
-#endif	/* CONFIG_SECURITY_NETWORK */
 
-#ifdef CONFIG_SECURITY_NETWORK_XFRM
-static inline int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx)
+static inline void security_inet_conn_established(struct sock *sk,
+			struct sk_buff *skb)
 {
-	return security_ops->xfrm_policy_alloc_security(xp, sec_ctx, NULL);
 }
+#endif	/* CONFIG_SECURITY_NETWORK */
 
-static inline int security_xfrm_sock_policy_alloc(struct xfrm_policy *xp, struct sock *sk)
+#ifdef CONFIG_SECURITY_NETWORK_XFRM
+static inline int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx)
 {
-	return security_ops->xfrm_policy_alloc_security(xp, NULL, sk);
+	return security_ops->xfrm_policy_alloc_security(xp, sec_ctx);
 }
 
 static inline int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new)
@@ -3143,7 +3150,7 @@ static inline int security_xfrm_policy_delete(struct xfrm_policy *xp)
 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
 			struct xfrm_user_sec_ctx *sec_ctx)
 {
-	return security_ops->xfrm_state_alloc_security(x, sec_ctx, NULL, 0);
+	return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
 }
 
 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
@@ -3151,7 +3158,11 @@ static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
 {
 	if (!polsec)
 		return 0;
-	return security_ops->xfrm_state_alloc_security(x, NULL, polsec, secid);
+	/*
+	 * We want the context to be taken from secid which is usually
+	 * from the sock.
+	 */
+	return security_ops->xfrm_state_alloc_security(x, NULL, secid);
 }
 
 static inline int security_xfrm_state_delete(struct xfrm_state *x)
@@ -3175,9 +3186,10 @@ static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
 	return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
 }
 
-static inline int security_xfrm_flow_state_match(struct flowi *fl, struct xfrm_state *xfrm)
+static inline int security_xfrm_flow_state_match(struct flowi *fl,
+			struct xfrm_state *xfrm, struct xfrm_policy *xp)
 {
-	return security_ops->xfrm_flow_state_match(fl, xfrm);
+	return security_ops->xfrm_flow_state_match(fl, xfrm, xp);
 }
 
 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
@@ -3197,11 +3209,6 @@ static inline int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm
 	return 0;
 }
 
-static inline int security_xfrm_sock_policy_alloc(struct xfrm_policy *xp, struct sock *sk)
-{
-	return 0;
-}
-
 static inline int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new)
 {
 	return 0;
@@ -3249,7 +3256,7 @@ static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
 }
 
 static inline int security_xfrm_flow_state_match(struct flowi *fl,
-                                struct xfrm_state *xfrm)
+			struct xfrm_state *xfrm, struct xfrm_policy *xp)
 {
 	return 1;
 }