LXR linux/security/apparmor/include/ipc.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * AppArmor security module
   4 *
   5 * This file contains AppArmor ipc mediation function definitions.
   6 *
   7 * Copyright (C) 1998-2008 Novell/SUSE
   8 * Copyright 2009-2017 Canonical Ltd.
   9 */
  10
  11#ifndef __AA_IPC_H
  12#define __AA_IPC_H
  13
  14#include <linux/sched.h>
  15
  16struct aa_profile;
  17
  18#define AA_PTRACE_TRACE         MAY_WRITE
  19#define AA_PTRACE_READ          MAY_READ
  20#define AA_MAY_BE_TRACED        AA_MAY_APPEND
  21#define AA_MAY_BE_READ          AA_MAY_CREATE
  22#define PTRACE_PERM_SHIFT       2
  23
  24#define AA_PTRACE_PERM_MASK (AA_PTRACE_READ | AA_PTRACE_TRACE | \
  25                             AA_MAY_BE_READ | AA_MAY_BE_TRACED)
  26#define AA_SIGNAL_PERM_MASK (MAY_READ | MAY_WRITE)
  27
  28#define AA_SFS_SIG_MASK "hup int quit ill trap abrt bus fpe kill usr1 " \
  29        "segv usr2 pipe alrm term stkflt chld cont stop stp ttin ttou urg " \
  30        "xcpu xfsz vtalrm prof winch io pwr sys emt lost"
  31
  32int aa_may_ptrace(struct aa_label *tracer, struct aa_label *tracee,
  33                  u32 request);
  34int aa_may_signal(struct aa_label *sender, struct aa_label *target, int sig);
  35
  36#endif /* __AA_IPC_H */
  37