1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 34#ifndef _SYS_PROCCTL_H_ 35#define _SYS_PROCCTL_H_ 36 37#ifndef _KERNEL 38#include <sys/types.h> 39#include <sys/wait.h> 40#endif 41 42/* MD PROCCTL verbs start at 0x10000000 */ 43#define PROC_PROCCTL_MD_MIN 0x10000000 44#include <machine/procctl.h> 45 46#define PROC_SPROTECT 1 /* set protected state */ 47#define PROC_REAP_ACQUIRE 2 /* reaping enable */ 48#define PROC_REAP_RELEASE 3 /* reaping disable */ 49#define PROC_REAP_STATUS 4 /* reaping status */ 50#define PROC_REAP_GETPIDS 5 /* get descendants */ 51#define PROC_REAP_KILL 6 /* kill descendants */ 52#define PROC_TRACE_CTL 7 /* en/dis ptrace and coredumps */ 53#define PROC_TRACE_STATUS 8 /* query tracing status */ 54#define PROC_TRAPCAP_CTL 9 /* trap capability errors */ 55#define PROC_TRAPCAP_STATUS 10 /* query trap capability status */ 56#define PROC_PDEATHSIG_CTL 11 /* set parent death signal */ 57#define PROC_PDEATHSIG_STATUS 12 /* get parent death signal */ 58#define PROC_ASLR_CTL 13 /* en/dis ASLR */ 59#define PROC_ASLR_STATUS 14 /* query ASLR status */ 60#define PROC_PROTMAX_CTL 15 /* en/dis implicit PROT_MAX */ 61#define PROC_PROTMAX_STATUS 16 /* query implicit PROT_MAX status */ 62#define PROC_STACKGAP_CTL 17 /* en/dis stack gap on MAP_STACK */ 63#define PROC_STACKGAP_STATUS 18 /* query stack gap */ 64#define PROC_NO_NEW_PRIVS_CTL 19 /* disable setuid/setgid */ 65#define PROC_NO_NEW_PRIVS_STATUS 20 /* query suid/sgid disabled status */ 66#define PROC_WXMAP_CTL 21 /* control W^X */ 67#define PROC_WXMAP_STATUS 22 /* query W^X */ 68 69/* Operations for PROC_SPROTECT (passed in integer arg). */ 70#define PPROT_OP(x) ((x) & 0xf) 71#define PPROT_SET 1 72#define PPROT_CLEAR 2 73 74/* Flags for PROC_SPROTECT (ORed in with operation). */ 75#define PPROT_FLAGS(x) ((x) & ~0xf) 76#define PPROT_DESCEND 0x10 77#define PPROT_INHERIT 0x20 78 79/* Result of PREAP_STATUS (returned by value). */ 80struct procctl_reaper_status { 81 u_int rs_flags; 82 u_int rs_children; 83 u_int rs_descendants; 84 pid_t rs_reaper; 85 pid_t rs_pid; 86 u_int rs_pad0[15]; 87}; 88 89/* struct procctl_reaper_status rs_flags */ 90#define REAPER_STATUS_OWNED 0x00000001 91#define REAPER_STATUS_REALINIT 0x00000002 92 93struct procctl_reaper_pidinfo { 94 pid_t pi_pid; 95 pid_t pi_subtree; 96 u_int pi_flags; 97 u_int pi_pad0[15]; 98}; 99 100#define REAPER_PIDINFO_VALID 0x00000001 101#define REAPER_PIDINFO_CHILD 0x00000002 102#define REAPER_PIDINFO_REAPER 0x00000004 103#define REAPER_PIDINFO_ZOMBIE 0x00000008 104#define REAPER_PIDINFO_STOPPED 0x00000010 105#define REAPER_PIDINFO_EXITING 0x00000020 106 107struct procctl_reaper_pids { 108 u_int rp_count; 109 u_int rp_pad0[15]; 110 struct procctl_reaper_pidinfo *rp_pids; 111}; 112 113struct procctl_reaper_kill { 114 int rk_sig; /* in - signal to send */ 115 u_int rk_flags; /* in - REAPER_KILL flags */ 116 pid_t rk_subtree; /* in - subtree, if REAPER_KILL_SUBTREE */ 117 u_int rk_killed; /* out - count of processes successfully 118 killed */ 119 pid_t rk_fpid; /* out - first failed pid for which error 120 is returned */ 121 u_int rk_pad0[15]; 122}; 123 124#define REAPER_KILL_CHILDREN 0x00000001 125#define REAPER_KILL_SUBTREE 0x00000002 126 127#define PROC_TRACE_CTL_ENABLE 1 128#define PROC_TRACE_CTL_DISABLE 2 129#define PROC_TRACE_CTL_DISABLE_EXEC 3 130 131#define PROC_TRAPCAP_CTL_ENABLE 1 132#define PROC_TRAPCAP_CTL_DISABLE 2 133 134#define PROC_ASLR_FORCE_ENABLE 1 135#define PROC_ASLR_FORCE_DISABLE 2 136#define PROC_ASLR_NOFORCE 3 137#define PROC_ASLR_ACTIVE 0x80000000 138 139#define PROC_PROTMAX_FORCE_ENABLE 1 140#define PROC_PROTMAX_FORCE_DISABLE 2 141#define PROC_PROTMAX_NOFORCE 3 142#define PROC_PROTMAX_ACTIVE 0x80000000 143 144#define PROC_STACKGAP_ENABLE 0x0001 145#define PROC_STACKGAP_DISABLE 0x0002 146#define PROC_STACKGAP_ENABLE_EXEC 0x0004 147#define PROC_STACKGAP_DISABLE_EXEC 0x0008 148 149#define PROC_NO_NEW_PRIVS_ENABLE 1 150#define PROC_NO_NEW_PRIVS_DISABLE 2 151 152#define PROC_WX_MAPPINGS_PERMIT 0x0001 153#define PROC_WX_MAPPINGS_DISALLOW_EXEC 0x0002 154#define PROC_WXORX_ENFORCE 0x80000000 155 156#ifndef _KERNEL 157__BEGIN_DECLS 158int procctl(idtype_t, id_t, int, void *); 159__END_DECLS 160 161#endif 162 163#endif /* !_SYS_PROCCTL_H_ */ 164