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
  16 struct 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
  32 int aa_may_ptrace(struct aa_label *tracer, struct aa_label *tracee,
  33                   u32 request);
  34 int aa_may_signal(struct aa_label *sender, struct aa_label *target, int sig);
  35
  36 #endif /* __AA_IPC_H */