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 */
37