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-rw-r--r--include/net/netlabel.h101
1 files changed, 98 insertions, 3 deletions
diff --git a/include/net/netlabel.h b/include/net/netlabel.h
index 7b5a300de7f5..efe98068880f 100644
--- a/include/net/netlabel.h
+++ b/include/net/netlabel.h
@@ -40,6 +40,7 @@
#include <linux/atomic.h>
struct cipso_v4_doi;
+struct calipso_doi;
/*
* NetLabel - A management interface for maintaining network packet label
@@ -94,6 +95,8 @@ struct cipso_v4_doi;
#define NETLBL_NLTYPE_UNLABELED_NAME "NLBL_UNLBL"
#define NETLBL_NLTYPE_ADDRSELECT 6
#define NETLBL_NLTYPE_ADDRSELECT_NAME "NLBL_ADRSEL"
+#define NETLBL_NLTYPE_CALIPSO 7
+#define NETLBL_NLTYPE_CALIPSO_NAME "NLBL_CALIPSO"
/*
* NetLabel - Kernel API for accessing the network packet label mappings.
@@ -216,6 +219,63 @@ struct netlbl_lsm_secattr {
} attr;
};
+/**
+ * struct netlbl_calipso_ops - NetLabel CALIPSO operations
+ * @doi_add: add a CALIPSO DOI
+ * @doi_free: free a CALIPSO DOI
+ * @doi_getdef: returns a reference to a DOI
+ * @doi_putdef: releases a reference of a DOI
+ * @doi_walk: enumerate the DOI list
+ * @sock_getattr: retrieve the socket's attr
+ * @sock_setattr: set the socket's attr
+ * @sock_delattr: remove the socket's attr
+ * @req_setattr: set the req socket's attr
+ * @req_delattr: remove the req socket's attr
+ * @opt_getattr: retrieve attr from memory block
+ * @skbuff_optptr: find option in packet
+ * @skbuff_setattr: set the skbuff's attr
+ * @skbuff_delattr: remove the skbuff's attr
+ * @cache_invalidate: invalidate cache
+ * @cache_add: add cache entry
+ *
+ * Description:
+ * This structure is filled out by the CALIPSO engine and passed
+ * to the NetLabel core via a call to netlbl_calipso_ops_register().
+ * It enables the CALIPSO engine (and hence IPv6) to be compiled
+ * as a module.
+ */
+struct netlbl_calipso_ops {
+ int (*doi_add)(struct calipso_doi *doi_def,
+ struct netlbl_audit *audit_info);
+ void (*doi_free)(struct calipso_doi *doi_def);
+ int (*doi_remove)(u32 doi, struct netlbl_audit *audit_info);
+ struct calipso_doi *(*doi_getdef)(u32 doi);
+ void (*doi_putdef)(struct calipso_doi *doi_def);
+ int (*doi_walk)(u32 *skip_cnt,
+ int (*callback)(struct calipso_doi *doi_def, void *arg),
+ void *cb_arg);
+ int (*sock_getattr)(struct sock *sk,
+ struct netlbl_lsm_secattr *secattr);
+ int (*sock_setattr)(struct sock *sk,
+ const struct calipso_doi *doi_def,
+ const struct netlbl_lsm_secattr *secattr);
+ void (*sock_delattr)(struct sock *sk);
+ int (*req_setattr)(struct request_sock *req,
+ const struct calipso_doi *doi_def,
+ const struct netlbl_lsm_secattr *secattr);
+ void (*req_delattr)(struct request_sock *req);
+ int (*opt_getattr)(const unsigned char *calipso,
+ struct netlbl_lsm_secattr *secattr);
+ unsigned char *(*skbuff_optptr)(const struct sk_buff *skb);
+ int (*skbuff_setattr)(struct sk_buff *skb,
+ const struct calipso_doi *doi_def,
+ const struct netlbl_lsm_secattr *secattr);
+ int (*skbuff_delattr)(struct sk_buff *skb);
+ void (*cache_invalidate)(void);
+ int (*cache_add)(const unsigned char *calipso_ptr,
+ const struct netlbl_lsm_secattr *secattr);
+};
+
/*
* LSM security attribute operations (inline)
*/
@@ -385,6 +445,14 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
const struct in_addr *addr,
const struct in_addr *mask,
struct netlbl_audit *audit_info);
+int netlbl_cfg_calipso_add(struct calipso_doi *doi_def,
+ struct netlbl_audit *audit_info);
+void netlbl_cfg_calipso_del(u32 doi, struct netlbl_audit *audit_info);
+int netlbl_cfg_calipso_map_add(u32 doi,
+ const char *domain,
+ const struct in6_addr *addr,
+ const struct in6_addr *mask,
+ struct netlbl_audit *audit_info);
/*
* LSM security attribute operations
*/
@@ -405,6 +473,12 @@ int netlbl_catmap_setlong(struct netlbl_lsm_catmap **catmap,
unsigned long bitmap,
gfp_t flags);
+/* Bitmap functions
+ */
+int netlbl_bitmap_walk(const unsigned char *bitmap, u32 bitmap_len,
+ u32 offset, u8 state);
+void netlbl_bitmap_setbit(unsigned char *bitmap, u32 bit, u8 state);
+
/*
* LSM protocol operations (NetLabel LSM/kernel API)
*/
@@ -427,13 +501,13 @@ int netlbl_skbuff_setattr(struct sk_buff *skb,
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, int gateway);
+void netlbl_skbuff_err(struct sk_buff *skb, u16 family, int error, int gateway);
/*
* LSM label mapping cache operations
*/
void netlbl_cache_invalidate(void);
-int netlbl_cache_add(const struct sk_buff *skb,
+int netlbl_cache_add(const struct sk_buff *skb, u16 family,
const struct netlbl_lsm_secattr *secattr);
/*
@@ -495,6 +569,24 @@ static inline int netlbl_cfg_cipsov4_map_add(u32 doi,
{
return -ENOSYS;
}
+static inline int netlbl_cfg_calipso_add(struct calipso_doi *doi_def,
+ struct netlbl_audit *audit_info)
+{
+ return -ENOSYS;
+}
+static inline void netlbl_cfg_calipso_del(u32 doi,
+ struct netlbl_audit *audit_info)
+{
+ return;
+}
+static inline int netlbl_cfg_calipso_map_add(u32 doi,
+ const char *domain,
+ const struct in6_addr *addr,
+ const struct in6_addr *mask,
+ struct netlbl_audit *audit_info)
+{
+ return -ENOSYS;
+}
static inline int netlbl_catmap_walk(struct netlbl_lsm_catmap *catmap,
u32 offset)
{
@@ -586,7 +678,7 @@ static inline void netlbl_cache_invalidate(void)
{
return;
}
-static inline int netlbl_cache_add(const struct sk_buff *skb,
+static inline int netlbl_cache_add(const struct sk_buff *skb, u16 family,
const struct netlbl_lsm_secattr *secattr)
{
return 0;
@@ -598,4 +690,7 @@ static inline struct audit_buffer *netlbl_audit_start(int type,
}
#endif /* CONFIG_NETLABEL */
+const struct netlbl_calipso_ops *
+netlbl_calipso_ops_register(const struct netlbl_calipso_ops *ops);
+
#endif /* _NETLABEL_H */