1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* This file describes the internal interface used by the labeler
* for calling the user-supplied memory allocation, validation,
* and locking routine.
*
* Author : Eamon Walsh <ewalsh@epoch.ncsc.mil>
*/
#ifndef _SELABEL_INTERNAL_H_
#define _SELABEL_INTERNAL_H_
#include <stdlib.h>
#include <stdarg.h>
#include <selinux/selinux.h>
#include <selinux/label.h>
#include "dso.h"
/*
* Installed backends
*/
int selabel_file_init(struct selabel_handle *rec, struct selinux_opt *opts,
unsigned nopts) hidden;
int selabel_media_init(struct selabel_handle *rec, struct selinux_opt *opts,
unsigned nopts) hidden;
int selabel_x_init(struct selabel_handle *rec, struct selinux_opt *opts,
unsigned nopts) hidden;
int selabel_db_init(struct selabel_handle *rec,
struct selinux_opt *opts, unsigned nopts) hidden;
/*
* Labeling internal structures
*/
struct selabel_sub {
char *src;
int slen;
char *dst;
struct selabel_sub *next;
};
struct selabel_lookup_rec {
security_context_t ctx_raw;
security_context_t ctx_trans;
int validated;
};
struct selabel_handle {
/* arguments that were passed to selabel_open */
unsigned int backend;
int validating;
/* labeling operations */
struct selabel_lookup_rec *(*func_lookup) (struct selabel_handle *h,
const char *key, int type);
void (*func_close) (struct selabel_handle *h);
void (*func_stats) (struct selabel_handle *h);
/* supports backend-specific state information */
void *data;
/* substitution support */
struct selabel_sub *subs;
};
/*
* Validation function
*/
extern int
selabel_validate(struct selabel_handle *rec,
struct selabel_lookup_rec *contexts) hidden;
#endif /* _SELABEL_INTERNAL_H_ */
|
