Merge branch 'next' into for-linus

2 files changed, 74 insertions, 32 deletions

diff --git a/include/net/cipso_ipv4.h b/include/net/cipso_ipv4.h
index a6bb94530cf..9909774eb99 100644
--- a/include/net/cipso_ipv4.h
+++ b/include/net/cipso_ipv4.h
@@ -40,11 +40,12 @@
 #include <linux/net.h>
 #include <linux/skbuff.h>
 #include <net/netlabel.h>
+#include <asm/atomic.h>
 
 /* known doi values */
 #define CIPSO_V4_DOI_UNKNOWN          0x00000000
 
-/* tag types */
+/* standard tag types */
 #define CIPSO_V4_TAG_INVALID          0
 #define CIPSO_V4_TAG_RBITMAP          1
 #define CIPSO_V4_TAG_ENUM             2
@@ -52,10 +53,14 @@
 #define CIPSO_V4_TAG_PBITMAP          6
 #define CIPSO_V4_TAG_FREEFORM         7
 
+/* non-standard tag types (tags > 127) */
+#define CIPSO_V4_TAG_LOCAL            128
+
 /* doi mapping types */
 #define CIPSO_V4_MAP_UNKNOWN          0
-#define CIPSO_V4_MAP_STD              1
+#define CIPSO_V4_MAP_TRANS            1
 #define CIPSO_V4_MAP_PASS             2
+#define CIPSO_V4_MAP_LOCAL            3
 
 /* limits */
 #define CIPSO_V4_MAX_REM_LVLS         255
@@ -79,10 +84,9 @@ struct cipso_v4_doi {
 	} map;
 	u8 tags[CIPSO_V4_TAG_MAXCNT];
 
-	u32 valid;
+	atomic_t refcount;
 	struct list_head list;
 	struct rcu_head rcu;
-	struct list_head dom_list;
 };
 
 /* Standard CIPSO mapping table */
@@ -128,25 +132,26 @@ extern int cipso_v4_rbm_strictvalid;
 
 #ifdef CONFIG_NETLABEL
 int cipso_v4_doi_add(struct cipso_v4_doi *doi_def);
-int cipso_v4_doi_remove(u32 doi,
-			struct netlbl_audit *audit_info,
-			void (*callback) (struct rcu_head * head));
+void cipso_v4_doi_free(struct cipso_v4_doi *doi_def);
+int cipso_v4_doi_remove(u32 doi, struct netlbl_audit *audit_info);
 struct cipso_v4_doi *cipso_v4_doi_getdef(u32 doi);
+void cipso_v4_doi_putdef(struct cipso_v4_doi *doi_def);
 int cipso_v4_doi_walk(u32 *skip_cnt,
 		     int (*callback) (struct cipso_v4_doi *doi_def, void *arg),
 	             void *cb_arg);
-int cipso_v4_doi_domhsh_add(struct cipso_v4_doi *doi_def, const char *domain);
-int cipso_v4_doi_domhsh_remove(struct cipso_v4_doi *doi_def,
-			       const char *domain);
 #else
 static inline int cipso_v4_doi_add(struct cipso_v4_doi *doi_def)
 {
 	return -ENOSYS;
 }
 
+static inline void cipso_v4_doi_free(struct cipso_v4_doi *doi_def)
+{
+	return;
+}
+
 static inline int cipso_v4_doi_remove(u32 doi,
-				    struct netlbl_audit *audit_info,
-				    void (*callback) (struct rcu_head * head))
+				      struct netlbl_audit *audit_info)
 {
 	return 0;
 }
@@ -206,10 +211,15 @@ void cipso_v4_error(struct sk_buff *skb, int error, u32 gateway);
 int cipso_v4_sock_setattr(struct sock *sk,
 			  const struct cipso_v4_doi *doi_def,
 			  const struct netlbl_lsm_secattr *secattr);
+void cipso_v4_sock_delattr(struct sock *sk);
 int cipso_v4_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr);
+int cipso_v4_skbuff_setattr(struct sk_buff *skb,
+			    const struct cipso_v4_doi *doi_def,
+			    const struct netlbl_lsm_secattr *secattr);
+int cipso_v4_skbuff_delattr(struct sk_buff *skb);
 int cipso_v4_skbuff_getattr(const struct sk_buff *skb,
 			    struct netlbl_lsm_secattr *secattr);
-int cipso_v4_validate(unsigned char **option);
+int cipso_v4_validate(const struct sk_buff *skb, unsigned char **option);
 #else
 static inline void cipso_v4_error(struct sk_buff *skb,
 				  int error,
@@ -225,19 +235,36 @@ static inline int cipso_v4_sock_setattr(struct sock *sk,
 	return -ENOSYS;
 }
 
+static inline void cipso_v4_sock_delattr(struct sock *sk)
+{
+}
+
 static inline int cipso_v4_sock_getattr(struct sock *sk,
 					struct netlbl_lsm_secattr *secattr)
 {
 	return -ENOSYS;
 }
 
+static inline int cipso_v4_skbuff_setattr(struct sk_buff *skb,
+				      const struct cipso_v4_doi *doi_def,
+				      const struct netlbl_lsm_secattr *secattr)
+{
+	return -ENOSYS;
+}
+
+static inline int cipso_v4_skbuff_delattr(struct sk_buff *skb)
+{
+	return -ENOSYS;
+}
+
 static inline int cipso_v4_skbuff_getattr(const struct sk_buff *skb,
 					  struct netlbl_lsm_secattr *secattr)
 {
 	return -ENOSYS;
 }
 
-static inline int cipso_v4_validate(unsigned char **option)
+static inline int cipso_v4_validate(const struct sk_buff *skb,
+				    unsigned char **option)
 {
 	return -ENOSYS;
 }
diff --git a/include/net/netlabel.h b/include/net/netlabel.h
index e4d2d6baa98..17c442a4514 100644
--- a/include/net/netlabel.h
+++ b/include/net/netlabel.h
@@ -9,7 +9,7 @@
  */
 
 /*
- * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
+ * (c) Copyright Hewlett-Packard Development Company, L.P., 2006, 2008
  *
  * This program is free software;  you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -72,8 +72,10 @@ struct cipso_v4_doi;
 /* NetLabel NETLINK protocol version
  *  1: initial version
  *  2: added static labels for unlabeled connections
+ *  3: network selectors added to the NetLabel/LSM domain mapping and the
+ *     CIPSO_V4_MAP_LOCAL CIPSO mapping was added
  */
-#define NETLBL_PROTO_VERSION            2
+#define NETLBL_PROTO_VERSION            3
 
 /* NetLabel NETLINK types/families */
 #define NETLBL_NLTYPE_NONE              0
@@ -87,6 +89,8 @@ struct cipso_v4_doi;
 #define NETLBL_NLTYPE_CIPSOV6_NAME      "NLBL_CIPSOv6"
 #define NETLBL_NLTYPE_UNLABELED         5
 #define NETLBL_NLTYPE_UNLABELED_NAME    "NLBL_UNLBL"
+#define NETLBL_NLTYPE_ADDRSELECT        6
+#define NETLBL_NLTYPE_ADDRSELECT_NAME   "NLBL_ADRSEL"
 
 /*
  * NetLabel - Kernel API for accessing the network packet label mappings.
@@ -200,7 +204,7 @@ struct netlbl_lsm_secattr {
 	u32 type;
 	char *domain;
 	struct netlbl_lsm_cache *cache;
-	union {
+	struct {
 		struct {
 			struct netlbl_lsm_secattr_catmap *cat;
 			u32 lvl;
@@ -352,12 +356,9 @@ static inline void netlbl_secattr_free(struct netlbl_lsm_secattr *secattr)
 int netlbl_cfg_map_del(const char *domain, struct netlbl_audit *audit_info);
 int netlbl_cfg_unlbl_add_map(const char *domain,
 			     struct netlbl_audit *audit_info);
-int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def,
-			   struct netlbl_audit *audit_info);
 int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def,
 			       const char *domain,
 			       struct netlbl_audit *audit_info);
-int netlbl_cfg_cipsov4_del(u32 doi, struct netlbl_audit *audit_info);
 
 /*
  * LSM security attribute operations
@@ -380,12 +381,19 @@ int netlbl_secattr_catmap_setrng(struct netlbl_lsm_secattr_catmap *catmap,
 int netlbl_enabled(void);
 int netlbl_sock_setattr(struct sock *sk,
 			const struct netlbl_lsm_secattr *secattr);
+void netlbl_sock_delattr(struct sock *sk);
 int netlbl_sock_getattr(struct sock *sk,
 			struct netlbl_lsm_secattr *secattr);
+int netlbl_conn_setattr(struct sock *sk,
+			struct sockaddr *addr,
+			const struct netlbl_lsm_secattr *secattr);
+int netlbl_skbuff_setattr(struct sk_buff *skb,
+			  u16 family,
+			  const struct netlbl_lsm_secattr *secattr);
 int netlbl_skbuff_getattr(const struct sk_buff *skb,
 			  u16 family,
 			  struct netlbl_lsm_secattr *secattr);
-void netlbl_skbuff_err(struct sk_buff *skb, int error);
+void netlbl_skbuff_err(struct sk_buff *skb, int error, int gateway);
 
 /*
  * LSM label mapping cache operations
@@ -404,22 +412,12 @@ static inline int netlbl_cfg_unlbl_add_map(const char *domain,
 {
 	return -ENOSYS;
 }
-static inline int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def,
-					 struct netlbl_audit *audit_info)
-{
-	return -ENOSYS;
-}
 static inline int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def,
 					     const char *domain,
 					     struct netlbl_audit *audit_info)
 {
 	return -ENOSYS;
 }
-static inline int netlbl_cfg_cipsov4_del(u32 doi,
-					 struct netlbl_audit *audit_info)
-{
-	return -ENOSYS;
-}
 static inline int netlbl_secattr_catmap_walk(
 	                              struct netlbl_lsm_secattr_catmap *catmap,
 				      u32 offset)
@@ -456,18 +454,35 @@ static inline int netlbl_sock_setattr(struct sock *sk,
 {
 	return -ENOSYS;
 }
+static inline void netlbl_sock_delattr(struct sock *sk)
+{
+}
 static inline int netlbl_sock_getattr(struct sock *sk,
 				      struct netlbl_lsm_secattr *secattr)
 {
 	return -ENOSYS;
 }
+static inline int netlbl_conn_setattr(struct sock *sk,
+				      struct sockaddr *addr,
+				      const struct netlbl_lsm_secattr *secattr)
+{
+	return -ENOSYS;
+}
+static inline int netlbl_skbuff_setattr(struct sk_buff *skb,
+				      u16 family,
+				      const struct netlbl_lsm_secattr *secattr)
+{
+	return -ENOSYS;
+}
 static inline int netlbl_skbuff_getattr(const struct sk_buff *skb,
 					u16 family,
 					struct netlbl_lsm_secattr *secattr)
 {
 	return -ENOSYS;
 }
-static inline void netlbl_skbuff_err(struct sk_buff *skb, int error)
+static inline void netlbl_skbuff_err(struct sk_buff *skb,
+				     int error,
+				     int gateway)
 {
 	return;
 }