security/apparmor/include/ipc.h

   1 /*
   2  * AppArmor security module
   3  *
   4  * This file contains AppArmor ipc mediation function definitions.
   5  *
   6  * Copyright (C) 1998-2008 Novell/SUSE
   7  * Copyright 2009-2017 Canonical Ltd.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation, version 2 of the
  12  * License.
  13  */
  14
  15 #ifndef __AA_IPC_H
  16 #define __AA_IPC_H
  17
  18 #include <linux/sched.h>
  19
  20 struct aa_profile;
  21
  22 #define AA_PTRACE_TRACE         MAY_WRITE
  23 #define AA_PTRACE_READ          MAY_READ
  24 #define AA_MAY_BE_TRACED        AA_MAY_APPEND
  25 #define AA_MAY_BE_READ          AA_MAY_CREATE
  26 #define PTRACE_PERM_SHIFT       2
  27
  28 #define AA_PTRACE_PERM_MASK (AA_PTRACE_READ | AA_PTRACE_TRACE | \
  29                              AA_MAY_BE_READ | AA_MAY_BE_TRACED)
  30 #define AA_SIGNAL_PERM_MASK (MAY_READ | MAY_WRITE)
  31
  32 #define AA_SFS_SIG_MASK "hup int quit ill trap abrt bus fpe kill usr1 " \
  33         "segv usr2 pipe alrm term stkflt chld cont stop stp ttin ttou urg " \
  34         "xcpu xfsz vtalrm prof winch io pwr sys emt lost"
  35
  36 int aa_may_ptrace(struct aa_label *tracer, struct aa_label *tracee,
  37                   u32 request);
  38 int aa_may_signal(struct aa_label *sender, struct aa_label *target, int sig);
  39
  40 #endif /* __AA_IPC_H */