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#define PROC_LOGSIGEXIT_CTL 23 /* en/dis logging on sigexit */
69#define PROC_LOGSIGEXIT_STATUS 24 /* query logging on sigexit */
70
71/* Operations for PROC_SPROTECT (passed in integer arg). */
72#define PPROT_OP(x) ((x) & 0xf)
73#define PPROT_SET 1
74#define PPROT_CLEAR 2
75
76/* Flags for PROC_SPROTECT (ORed in with operation). */
77#define PPROT_FLAGS(x) ((x) & ~0xf)
78#define PPROT_DESCEND 0x10
79#define PPROT_INHERIT 0x20
80
81/* Result of PREAP_STATUS (returned by value). */
82struct procctl_reaper_status {
83 u_int rs_flags;
84 u_int rs_children;
85 u_int rs_descendants;
86 pid_t rs_reaper;
87 pid_t rs_pid;
88 u_int rs_pad0[15];
89};
90
91/* struct procctl_reaper_status rs_flags */
92#define REAPER_STATUS_OWNED 0x00000001
93#define REAPER_STATUS_REALINIT 0x00000002
94
95struct procctl_reaper_pidinfo {
96 pid_t pi_pid;
97 pid_t pi_subtree;
98 u_int pi_flags;
99 u_int pi_pad0[15];
100};
101
102#define REAPER_PIDINFO_VALID 0x00000001
103#define REAPER_PIDINFO_CHILD 0x00000002
104#define REAPER_PIDINFO_REAPER 0x00000004
105#define REAPER_PIDINFO_ZOMBIE 0x00000008
106#define REAPER_PIDINFO_STOPPED 0x00000010
107#define REAPER_PIDINFO_EXITING 0x00000020
108
109struct procctl_reaper_pids {
110 u_int rp_count;
111 u_int rp_pad0[15];
112 struct procctl_reaper_pidinfo *rp_pids;
113};
114
115struct procctl_reaper_kill {
116 int rk_sig; /* in - signal to send */
117 u_int rk_flags; /* in - REAPER_KILL flags */
118 pid_t rk_subtree; /* in - subtree, if REAPER_KILL_SUBTREE */
119 u_int rk_killed; /* out - count of processes successfully
120 killed */
121 pid_t rk_fpid; /* out - first failed pid for which error
122 is returned */
123 u_int rk_pad0[15];
124};
125
126#define REAPER_KILL_CHILDREN 0x00000001
127#define REAPER_KILL_SUBTREE 0x00000002
128
129#define PROC_TRACE_CTL_ENABLE 1
130#define PROC_TRACE_CTL_DISABLE 2
131#define PROC_TRACE_CTL_DISABLE_EXEC 3
132
133#define PROC_TRAPCAP_CTL_ENABLE 1
134#define PROC_TRAPCAP_CTL_DISABLE 2
135
136#define PROC_ASLR_FORCE_ENABLE 1
137#define PROC_ASLR_FORCE_DISABLE 2
138#define PROC_ASLR_NOFORCE 3
139#define PROC_ASLR_ACTIVE 0x80000000
140
141#define PROC_PROTMAX_FORCE_ENABLE 1
142#define PROC_PROTMAX_FORCE_DISABLE 2
143#define PROC_PROTMAX_NOFORCE 3
144#define PROC_PROTMAX_ACTIVE 0x80000000
145
146#define PROC_STACKGAP_ENABLE 0x0001
147#define PROC_STACKGAP_DISABLE 0x0002
148#define PROC_STACKGAP_ENABLE_EXEC 0x0004
149#define PROC_STACKGAP_DISABLE_EXEC 0x0008
150
151#define PROC_NO_NEW_PRIVS_ENABLE 1
152#define PROC_NO_NEW_PRIVS_DISABLE 2
153
154#define PROC_WX_MAPPINGS_PERMIT 0x0001
155#define PROC_WX_MAPPINGS_DISALLOW_EXEC 0x0002
156#define PROC_WXORX_ENFORCE 0x80000000
157
158#define PROC_LOGSIGEXIT_CTL_NOFORCE 1
159#define PROC_LOGSIGEXIT_CTL_FORCE_ENABLE 2
160#define PROC_LOGSIGEXIT_CTL_FORCE_DISABLE 3
161
162#ifndef _KERNEL
163__BEGIN_DECLS
164int procctl(idtype_t, id_t, int, void *);
165__END_DECLS
166
167#endif
168
169#endif /* !_SYS_PROCCTL_H_ */