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