1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * AppArmor security module
4  *
5  * This file contains AppArmor security identifier (secid) definitions
6  *
7  * Copyright 2009-2018 Canonical Ltd.
8  */
9 
10 #ifndef __AA_SECID_H
11 #define __AA_SECID_H
12 
13 #include <linux/slab.h>
14 #include <linux/types.h>
15 
16 struct aa_label;
17 
18 /* secid value that will not be allocated */
19 #define AA_SECID_INVALID 0
20 
21 /* secid value that matches any other secid */
22 #define AA_SECID_WILDCARD 1
23 
24 struct aa_label *aa_secid_to_label(u32 secid);
25 int apparmor_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
26 int apparmor_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
27 void apparmor_release_secctx(char *secdata, u32 seclen);
28 
29 
30 int aa_alloc_secid(struct aa_label *label, gfp_t gfp);
31 void aa_free_secid(u32 secid);
32 void aa_secid_update(u32 secid, struct aa_label *label);
33 
34 void aa_secids_init(void);
35 
36 #endif /* __AA_SECID_H */
37