xref: /linux/security/apparmor/include/secid.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1b886d83cSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */
2121d4a91SJohn Johansen /*
3121d4a91SJohn Johansen  * AppArmor security module
4121d4a91SJohn Johansen  *
5121d4a91SJohn Johansen  * This file contains AppArmor security identifier (secid) definitions
6121d4a91SJohn Johansen  *
7c0929212SJohn Johansen  * Copyright 2009-2018 Canonical Ltd.
8121d4a91SJohn Johansen  */
9121d4a91SJohn Johansen 
10121d4a91SJohn Johansen #ifndef __AA_SECID_H
11121d4a91SJohn Johansen #define __AA_SECID_H
12121d4a91SJohn Johansen 
13c0929212SJohn Johansen #include <linux/slab.h>
14121d4a91SJohn Johansen #include <linux/types.h>
15121d4a91SJohn Johansen 
16c0929212SJohn Johansen struct aa_label;
17c0929212SJohn Johansen 
18121d4a91SJohn Johansen /* secid value that will not be allocated */
19121d4a91SJohn Johansen #define AA_SECID_INVALID 0
20121d4a91SJohn Johansen 
21617a629cSMatthew Garrett /* secid value that matches any other secid */
22617a629cSMatthew Garrett #define AA_SECID_WILDCARD 1
23617a629cSMatthew Garrett 
24*524d8e14SJohn Johansen /* sysctl to enable displaying mode when converting secid to secctx */
25*524d8e14SJohn Johansen extern int apparmor_display_secid_mode;
26*524d8e14SJohn Johansen 
27c0929212SJohn Johansen struct aa_label *aa_secid_to_label(u32 secid);
28c0929212SJohn Johansen int apparmor_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
29c0929212SJohn Johansen int apparmor_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
30c0929212SJohn Johansen void apparmor_release_secctx(char *secdata, u32 seclen);
31c0929212SJohn Johansen 
32c0929212SJohn Johansen 
33a4c3f89cSJohn Johansen int aa_alloc_secid(struct aa_label *label, gfp_t gfp);
34121d4a91SJohn Johansen void aa_free_secid(u32 secid);
35c0929212SJohn Johansen void aa_secid_update(u32 secid, struct aa_label *label);
36121d4a91SJohn Johansen 
37121d4a91SJohn Johansen #endif /* __AA_SECID_H */
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