diff options
Diffstat (limited to 'include/net/netlabel.h')
| -rw-r--r-- | include/net/netlabel.h | 101 |
1 files changed, 98 insertions, 3 deletions
diff --git a/include/net/netlabel.h b/include/net/netlabel.h index 7b5a300de..efe980688 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 */ |