1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 Hudson River Trading LLC 5 * Copyright (c) 2014, 2016 The FreeBSD Foundation 6 * Written by: John H. Baldwin <jhb@FreeBSD.org> 7 * All rights reserved. 8 * 9 * Portions of this software were developed by Konstantin Belousov 10 * under sponsorship from the FreeBSD Foundation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * $FreeBSD$ 34 */ 35 36 #ifndef _SYS_PROCCTL_H_ 37 #define _SYS_PROCCTL_H_ 38 39 #ifndef _KERNEL 40 #include <sys/types.h> 41 #include <sys/wait.h> 42 #endif 43 44 #define PROC_SPROTECT 1 /* set protected state */ 45 #define PROC_REAP_ACQUIRE 2 /* reaping enable */ 46 #define PROC_REAP_RELEASE 3 /* reaping disable */ 47 #define PROC_REAP_STATUS 4 /* reaping status */ 48 #define PROC_REAP_GETPIDS 5 /* get descendants */ 49 #define PROC_REAP_KILL 6 /* kill descendants */ 50 #define PROC_TRACE_CTL 7 /* en/dis ptrace and coredumps */ 51 #define PROC_TRACE_STATUS 8 /* query tracing status */ 52 #define PROC_TRAPCAP_CTL 9 /* trap capability errors */ 53 #define PROC_TRAPCAP_STATUS 10 /* query trap capability status */ 54 #define PROC_PDEATHSIG_CTL 11 /* set parent death signal */ 55 #define PROC_PDEATHSIG_STATUS 12 /* get parent death signal */ 56 #define PROC_ASLR_CTL 13 /* en/dis ASLR */ 57 #define PROC_ASLR_STATUS 14 /* query ASLR status */ 58 59 /* Operations for PROC_SPROTECT (passed in integer arg). */ 60 #define PPROT_OP(x) ((x) & 0xf) 61 #define PPROT_SET 1 62 #define PPROT_CLEAR 2 63 64 /* Flags for PROC_SPROTECT (ORed in with operation). */ 65 #define PPROT_FLAGS(x) ((x) & ~0xf) 66 #define PPROT_DESCEND 0x10 67 #define PPROT_INHERIT 0x20 68 69 /* Result of PREAP_STATUS (returned by value). */ 70 struct procctl_reaper_status { 71 u_int rs_flags; 72 u_int rs_children; 73 u_int rs_descendants; 74 pid_t rs_reaper; 75 pid_t rs_pid; 76 u_int rs_pad0[15]; 77 }; 78 79 /* struct procctl_reaper_status rs_flags */ 80 #define REAPER_STATUS_OWNED 0x00000001 81 #define REAPER_STATUS_REALINIT 0x00000002 82 83 struct procctl_reaper_pidinfo { 84 pid_t pi_pid; 85 pid_t pi_subtree; 86 u_int pi_flags; 87 u_int pi_pad0[15]; 88 }; 89 90 #define REAPER_PIDINFO_VALID 0x00000001 91 #define REAPER_PIDINFO_CHILD 0x00000002 92 #define REAPER_PIDINFO_REAPER 0x00000004 93 94 struct procctl_reaper_pids { 95 u_int rp_count; 96 u_int rp_pad0[15]; 97 struct procctl_reaper_pidinfo *rp_pids; 98 }; 99 100 struct procctl_reaper_kill { 101 int rk_sig; /* in - signal to send */ 102 u_int rk_flags; /* in - REAPER_KILL flags */ 103 pid_t rk_subtree; /* in - subtree, if REAPER_KILL_SUBTREE */ 104 u_int rk_killed; /* out - count of processes successfully 105 killed */ 106 pid_t rk_fpid; /* out - first failed pid for which error 107 is returned */ 108 u_int rk_pad0[15]; 109 }; 110 111 #define REAPER_KILL_CHILDREN 0x00000001 112 #define REAPER_KILL_SUBTREE 0x00000002 113 114 #define PROC_TRACE_CTL_ENABLE 1 115 #define PROC_TRACE_CTL_DISABLE 2 116 #define PROC_TRACE_CTL_DISABLE_EXEC 3 117 118 #define PROC_TRAPCAP_CTL_ENABLE 1 119 #define PROC_TRAPCAP_CTL_DISABLE 2 120 121 #define PROC_ASLR_FORCE_ENABLE 1 122 #define PROC_ASLR_FORCE_DISABLE 2 123 #define PROC_ASLR_NOFORCE 3 124 #define PROC_ASLR_ACTIVE 0x80000000 125 126 #ifndef _KERNEL 127 __BEGIN_DECLS 128 int procctl(idtype_t, id_t, int, void *); 129 __END_DECLS 130 131 #endif 132 133 #endif /* !_SYS_PROCCTL_H_ */ 134