/* Attributes of a common prefix for access vectors */ struct common_datum {
u32 value; /* internal common value */ struct symtab permissions; /* common permissions */
};
/* Class attributes */ struct class_datum {
u32 value; /* class value */ char *comkey; /* common name */ struct common_datum *comdatum; /* common datum */ struct symtab permissions; /* class-specific permission symbol table */ struct constraint_node *constraints; /* constraints on class perms */ struct constraint_node *validatetrans; /* special transition rules */ /* Options how a new object user, role, and type should be decided */ #define DEFAULT_SOURCE 1 #define DEFAULT_TARGET 2 char default_user; char default_role; char default_type; /* Options how a new object range should be decided */ #define DEFAULT_SOURCE_LOW 1 #define DEFAULT_SOURCE_HIGH 2 #define DEFAULT_SOURCE_LOW_HIGH 3 #define DEFAULT_TARGET_LOW 4 #define DEFAULT_TARGET_HIGH 5 #define DEFAULT_TARGET_LOW_HIGH 6 #define DEFAULT_GLBLUB 7 char default_range;
};
/* Role attributes */ struct role_datum {
u32 value; /* internal role value */
u32 bounds; /* boundary of role */ struct ebitmap dominates; /* set of roles dominated by this role */ struct ebitmap types; /* set of authorized types for role */
};
struct role_trans_key {
u32 role; /* current role */
u32 type; /* program executable type, or new object type */
u32 tclass; /* process class, or new object class */
};
struct role_trans_datum {
u32 new_role; /* new role */
};
struct filename_trans_key {
u32 ttype; /* parent dir context */
u16 tclass; /* class of new object */ constchar *name; /* last path component */
};
struct filename_trans_datum { struct ebitmap stypes; /* bitmap of source types for this otype */
u32 otype; /* resulting type of new object */ struct filename_trans_datum *next; /* record for next otype*/
};
struct role_allow {
u32 role; /* current role */
u32 new_role; /* new role */ struct role_allow *next;
};
/* Type attributes */ struct type_datum {
u32 value; /* internal type value */
u32 bounds; /* boundary of type */ unsignedchar primary; /* primary name? */ unsignedchar attribute; /* attribute ?*/
};
/* User attributes */ struct user_datum {
u32 value; /* internal user value */
u32 bounds; /* bounds of user */ struct ebitmap roles; /* set of authorized roles for user */ struct mls_range range; /* MLS range (min - max) for user */ struct mls_level dfltlevel; /* default login MLS level for user */
};
/* Sensitivity attributes */ struct level_datum { struct mls_level level; /* sensitivity and associated categories */ unsignedchar isalias; /* is this sensitivity an alias for another? */
};
/* Category attributes */ struct cat_datum {
u32 value; /* internal category bit + 1 */ unsignedchar isalias; /* is this category an alias for another? */
};
/* symbol names indexed by (value - 1) */ char **sym_val_to_name[SYM_NUM];
/* class, role, and user attributes indexed by (value - 1) */ struct class_datum **class_val_to_struct; struct role_datum **role_val_to_struct; struct user_datum **user_val_to_struct; struct type_datum **type_val_to_struct;
/* type enforcement access vectors and transitions */ struct avtab te_avtab;
/* role transitions */ struct hashtab role_tr;
/* file transitions with the last path component */ /* quickly exclude lookups when parent ttype has no rules */ struct ebitmap filename_trans_ttypes; /* actual set of filename_trans rules */ struct hashtab filename_trans; /* only used if policyvers < POLICYDB_VERSION_COMP_FTRANS */
u32 compat_filename_trans_count;
/* bools indexed by (value - 1) */ struct cond_bool_datum **bool_val_to_struct; /* type enforcement conditional access vectors and transitions */ struct avtab te_cond_avtab; /* array indexing te_cond_avtab by conditional */ struct cond_node *cond_list;
u32 cond_list_len;
/* role allows */ struct role_allow *role_allow;
/* security contexts of initial SIDs, unlabeled file systems,
TCP or UDP port numbers, network interfaces and nodes */ struct ocontext *ocontexts[OCON_NUM];
/* security contexts for files in filesystems that cannot support apersistentlabelmappingoruseanother
fixed labeling behavior. */ struct genfs *genfs;
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