2 * SPDX-License-Identifier: BSD-2-Clause
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>
9 * Portions of this software were developed by Konstantin Belousov
10 * under sponsorship from the FreeBSD Foundation.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
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.
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
34 #ifndef _SYS_PROCCTL_H_
35 #define _SYS_PROCCTL_H_
38 #include <sys/types.h>
42 /* MD PROCCTL verbs start at 0x10000000 */
43 #define PROC_PROCCTL_MD_MIN 0x10000000
44 #include <machine/procctl.h>
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 */
69 /* Operations for PROC_SPROTECT (passed in integer arg). */
70 #define PPROT_OP(x) ((x) & 0xf)
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
79 /* Result of PREAP_STATUS (returned by value). */
80 struct procctl_reaper_status {
89 /* struct procctl_reaper_status rs_flags */
90 #define REAPER_STATUS_OWNED 0x00000001
91 #define REAPER_STATUS_REALINIT 0x00000002
93 struct procctl_reaper_pidinfo {
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
107 struct procctl_reaper_pids {
110 struct procctl_reaper_pidinfo *rp_pids;
113 struct 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
119 pid_t rk_fpid; /* out - first failed pid for which error
124 #define REAPER_KILL_CHILDREN 0x00000001
125 #define REAPER_KILL_SUBTREE 0x00000002
127 #define PROC_TRACE_CTL_ENABLE 1
128 #define PROC_TRACE_CTL_DISABLE 2
129 #define PROC_TRACE_CTL_DISABLE_EXEC 3
131 #define PROC_TRAPCAP_CTL_ENABLE 1
132 #define PROC_TRAPCAP_CTL_DISABLE 2
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
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
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
149 #define PROC_NO_NEW_PRIVS_ENABLE 1
150 #define PROC_NO_NEW_PRIVS_DISABLE 2
152 #define PROC_WX_MAPPINGS_PERMIT 0x0001
153 #define PROC_WX_MAPPINGS_DISALLOW_EXEC 0x0002
154 #define PROC_WXORX_ENFORCE 0x80000000
158 int procctl(idtype_t, id_t, int, void *);
163 #endif /* !_SYS_PROCCTL_H_ */