security/apparmor/include/resource.h

   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 */