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8 #ifndef _CONDITIONAL_H_
9 #define _CONDITIONAL_H_
10
11 #include "avtab.h"
12 #include "symtab.h"
13 #include "policydb.h"
14 #include "../include/conditional.h"
15
16 #define COND_EXPR_MAXDEPTH 10
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21
22 struct cond_expr {
23 #define COND_BOOL 1
24 #define COND_NOT 2
25 #define COND_OR 3
26 #define COND_AND 4
27 #define COND_XOR 5
28 #define COND_EQ 6
29 #define COND_NEQ 7
30 #define COND_LAST COND_NEQ
31 __u32 expr_type;
32 __u32 bool;
33 struct cond_expr *next;
34 };
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40
41 struct cond_av_list {
42 struct avtab_node *node;
43 struct cond_av_list *next;
44 };
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53 struct cond_node {
54 int cur_state;
55 struct cond_expr *expr;
56 struct cond_av_list *true_list;
57 struct cond_av_list *false_list;
58 struct cond_node *next;
59 };
60
61 int cond_policydb_init(struct policydb *p);
62 void cond_policydb_destroy(struct policydb *p);
63
64 int cond_init_bool_indexes(struct policydb *p);
65 int cond_destroy_bool(void *key, void *datum, void *p);
66
67 int cond_index_bool(void *key, void *datum, void *datap);
68
69 int cond_read_bool(struct policydb *p, struct hashtab *h, void *fp);
70 int cond_read_list(struct policydb *p, void *fp);
71 int cond_write_bool(void *key, void *datum, void *ptr);
72 int cond_write_list(struct policydb *p, struct cond_node *list, void *fp);
73
74 void cond_compute_av(struct avtab *ctab, struct avtab_key *key,
75 struct av_decision *avd, struct extended_perms *xperms);
76 void cond_compute_xperms(struct avtab *ctab, struct avtab_key *key,
77 struct extended_perms_decision *xpermd);
78 int evaluate_cond_node(struct policydb *p, struct cond_node *node);
79
80 #endif