xref: /linux/security/apparmor/include/resource.h (revision 2697b79a469b68e3ad3640f55284359c1396278d)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * AppArmor security module
4  *
5  * This file contains AppArmor resource limits function definitions.
6  *
7  * Copyright (C) 1998-2008 Novell/SUSE
8  * Copyright 2009-2010 Canonical Ltd.
9  */
10 
11 #ifndef __AA_RESOURCE_H
12 #define __AA_RESOURCE_H
13 
14 #include <linux/resource.h>
15 #include <linux/sched.h>
16 
17 #include "apparmorfs.h"
18 
19 struct aa_profile;
20 
21 /* struct aa_rlimit - rlimit settings for the profile
22  * @mask: which hard limits to set
23  * @limits: rlimit values that override task limits
24  *
25  * AppArmor rlimits are used to set confined task rlimits.  Only the
26  * limits specified in @mask will be controlled by apparmor.
27  */
28 struct aa_rlimit {
29 	unsigned int mask;
30 	struct rlimit limits[RLIM_NLIMITS];
31 };
32 
33 extern struct aa_sfs_entry aa_sfs_entry_rlimit[];
34 
35 int aa_map_resource(int resource);
36 int aa_task_setrlimit(const struct cred *subj_cred, struct aa_label *label,
37 		      struct task_struct *task,
38 		      unsigned int resource, struct rlimit *new_rlim);
39 
40 void __aa_transition_rlimits(struct aa_label *old, struct aa_label *new);
41 
42 static inline void aa_free_rlimit_rules(struct aa_rlimit *rlims)
43 {
44 	/* NOP */
45 }
46 
47 #endif /* __AA_RESOURCE_H */
48