master
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_ */