diff options
Diffstat (limited to 'security/selinux/ss/avtab.h')
| -rw-r--r-- | security/selinux/ss/avtab.h | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/security/selinux/ss/avtab.h b/security/selinux/ss/avtab.h index 3c3904bf02b0..8e8820484c55 100644 --- a/security/selinux/ss/avtab.h +++ b/security/selinux/ss/avtab.h @@ -9,42 +9,42 @@ * Author : Stephen Smalley, <stephen.smalley.work@gmail.com> */ -/* Updated: Frank Mayer <mayerf@tresys.com> and Karl MacMillan <kmacmillan@tresys.com> - * - * Added conditional policy language extensions - * - * Copyright (C) 2003 Tresys Technology, LLC +/* Updated: Frank Mayer <mayerf@tresys.com> and + * Karl MacMillan <kmacmillan@tresys.com> + * Added conditional policy language extensions + * Copyright (C) 2003 Tresys Technology, LLC * * Updated: Yuichi Nakamura <ynakam@hitachisoft.jp> - * Tuned number of hash slots for avtab to reduce memory usage + * Tuned number of hash slots for avtab to reduce memory usage */ + #ifndef _SS_AVTAB_H_ #define _SS_AVTAB_H_ #include "security.h" struct avtab_key { - u16 source_type; /* source type */ - u16 target_type; /* target type */ - u16 target_class; /* target object class */ -#define AVTAB_ALLOWED 0x0001 -#define AVTAB_AUDITALLOW 0x0002 -#define AVTAB_AUDITDENY 0x0004 -#define AVTAB_AV (AVTAB_ALLOWED | AVTAB_AUDITALLOW | AVTAB_AUDITDENY) -#define AVTAB_TRANSITION 0x0010 -#define AVTAB_MEMBER 0x0020 -#define AVTAB_CHANGE 0x0040 -#define AVTAB_TYPE (AVTAB_TRANSITION | AVTAB_MEMBER | AVTAB_CHANGE) + u16 source_type; /* source type */ + u16 target_type; /* target type */ + u16 target_class; /* target object class */ +#define AVTAB_ALLOWED 0x0001 +#define AVTAB_AUDITALLOW 0x0002 +#define AVTAB_AUDITDENY 0x0004 +#define AVTAB_AV (AVTAB_ALLOWED | AVTAB_AUDITALLOW | AVTAB_AUDITDENY) +#define AVTAB_TRANSITION 0x0010 +#define AVTAB_MEMBER 0x0020 +#define AVTAB_CHANGE 0x0040 +#define AVTAB_TYPE (AVTAB_TRANSITION | AVTAB_MEMBER | AVTAB_CHANGE) /* extended permissions */ #define AVTAB_XPERMS_ALLOWED 0x0100 -#define AVTAB_XPERMS_AUDITALLOW 0x0200 +#define AVTAB_XPERMS_AUDITALLOW 0x0200 #define AVTAB_XPERMS_DONTAUDIT 0x0400 -#define AVTAB_XPERMS (AVTAB_XPERMS_ALLOWED | \ - AVTAB_XPERMS_AUDITALLOW | \ - AVTAB_XPERMS_DONTAUDIT) -#define AVTAB_ENABLED_OLD 0x80000000 /* reserved for used in cond_avtab */ -#define AVTAB_ENABLED 0x8000 /* reserved for used in cond_avtab */ - u16 specified; /* what field is specified */ +#define AVTAB_XPERMS \ + (AVTAB_XPERMS_ALLOWED | AVTAB_XPERMS_AUDITALLOW | \ + AVTAB_XPERMS_DONTAUDIT) +#define AVTAB_ENABLED_OLD 0x80000000 /* reserved for used in cond_avtab */ +#define AVTAB_ENABLED 0x8000 /* reserved for used in cond_avtab */ + u16 specified; /* what field is specified */ }; /* @@ -53,8 +53,8 @@ struct avtab_key { */ struct avtab_extended_perms { /* These are not flags. All 256 values may be used */ -#define AVTAB_XPERMS_IOCTLFUNCTION 0x01 -#define AVTAB_XPERMS_IOCTLDRIVER 0x02 +#define AVTAB_XPERMS_IOCTLFUNCTION 0x01 +#define AVTAB_XPERMS_IOCTLDRIVER 0x02 /* extension of the avtab_key specified */ u8 specified; /* ioctl, netfilter, ... */ /* @@ -82,9 +82,9 @@ struct avtab_node { struct avtab { struct avtab_node **htable; - u32 nel; /* number of elements */ - u32 nslot; /* number of hash slots */ - u32 mask; /* mask to compute hash func */ + u32 nel; /* number of elements */ + u32 nslot; /* number of hash slots */ + u32 mask; /* mask to compute hash func */ }; void avtab_init(struct avtab *h); @@ -92,6 +92,9 @@ int avtab_alloc(struct avtab *, u32); int avtab_alloc_dup(struct avtab *new, const struct avtab *orig); void avtab_destroy(struct avtab *h); +#define MAX_AVTAB_HASH_BITS 16 +#define MAX_AVTAB_HASH_BUCKETS (1 << MAX_AVTAB_HASH_BITS) + #ifdef CONFIG_SECURITY_SELINUX_DEBUG void avtab_hash_eval(struct avtab *h, const char *tag); #else @@ -107,7 +110,8 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol, void *p); int avtab_read(struct avtab *a, void *fp, struct policydb *pol); -int avtab_write_item(struct policydb *p, const struct avtab_node *cur, void *fp); +int avtab_write_item(struct policydb *p, const struct avtab_node *cur, + void *fp); int avtab_write(struct policydb *p, struct avtab *a, void *fp); struct avtab_node *avtab_insert_nonunique(struct avtab *h, @@ -116,11 +120,7 @@ struct avtab_node *avtab_insert_nonunique(struct avtab *h, struct avtab_node *avtab_search_node(struct avtab *h, const struct avtab_key *key); +struct avtab_node *avtab_search_node_next(struct avtab_node *node, + u16 specified); -struct avtab_node *avtab_search_node_next(struct avtab_node *node, u16 specified); - -#define MAX_AVTAB_HASH_BITS 16 -#define MAX_AVTAB_HASH_BUCKETS (1 << MAX_AVTAB_HASH_BITS) - -#endif /* _SS_AVTAB_H_ */ - +#endif /* _SS_AVTAB_H_ */ |