xref: /freebsd/sys/sys/procctl.h (revision 206b73d0)
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 /* MD PROCCTL verbs start at 0x10000000 */
45 #define	PROC_PROCCTL_MD_MIN	0x10000000
46 #include <machine/procctl.h>
47 
48 #define	PROC_SPROTECT		1	/* set protected state */
49 #define	PROC_REAP_ACQUIRE	2	/* reaping enable */
50 #define	PROC_REAP_RELEASE	3	/* reaping disable */
51 #define	PROC_REAP_STATUS	4	/* reaping status */
52 #define	PROC_REAP_GETPIDS	5	/* get descendants */
53 #define	PROC_REAP_KILL		6	/* kill descendants */
54 #define	PROC_TRACE_CTL		7	/* en/dis ptrace and coredumps */
55 #define	PROC_TRACE_STATUS	8	/* query tracing status */
56 #define	PROC_TRAPCAP_CTL	9	/* trap capability errors */
57 #define	PROC_TRAPCAP_STATUS	10	/* query trap capability status */
58 #define	PROC_PDEATHSIG_CTL	11	/* set parent death signal */
59 #define	PROC_PDEATHSIG_STATUS	12	/* get parent death signal */
60 #define	PROC_ASLR_CTL		13	/* en/dis ASLR */
61 #define	PROC_ASLR_STATUS	14	/* query ASLR status */
62 #define	PROC_PROTMAX_CTL	15	/* en/dis implicit PROT_MAX */
63 #define	PROC_PROTMAX_STATUS	16	/* query implicit PROT_MAX status */
64 
65 /* Operations for PROC_SPROTECT (passed in integer arg). */
66 #define	PPROT_OP(x)	((x) & 0xf)
67 #define	PPROT_SET	1
68 #define	PPROT_CLEAR	2
69 
70 /* Flags for PROC_SPROTECT (ORed in with operation). */
71 #define	PPROT_FLAGS(x)	((x) & ~0xf)
72 #define	PPROT_DESCEND	0x10
73 #define	PPROT_INHERIT	0x20
74 
75 /* Result of PREAP_STATUS (returned by value). */
76 struct procctl_reaper_status {
77 	u_int	rs_flags;
78 	u_int	rs_children;
79 	u_int	rs_descendants;
80 	pid_t	rs_reaper;
81 	pid_t	rs_pid;
82 	u_int	rs_pad0[15];
83 };
84 
85 /* struct procctl_reaper_status rs_flags */
86 #define	REAPER_STATUS_OWNED	0x00000001
87 #define	REAPER_STATUS_REALINIT	0x00000002
88 
89 struct procctl_reaper_pidinfo {
90 	pid_t	pi_pid;
91 	pid_t	pi_subtree;
92 	u_int	pi_flags;
93 	u_int	pi_pad0[15];
94 };
95 
96 #define	REAPER_PIDINFO_VALID	0x00000001
97 #define	REAPER_PIDINFO_CHILD	0x00000002
98 #define	REAPER_PIDINFO_REAPER	0x00000004
99 
100 struct procctl_reaper_pids {
101 	u_int	rp_count;
102 	u_int	rp_pad0[15];
103 	struct procctl_reaper_pidinfo *rp_pids;
104 };
105 
106 struct procctl_reaper_kill {
107 	int	rk_sig;		/* in  - signal to send */
108 	u_int	rk_flags;	/* in  - REAPER_KILL flags */
109 	pid_t	rk_subtree;	/* in  - subtree, if REAPER_KILL_SUBTREE */
110 	u_int	rk_killed;	/* out - count of processes successfully
111 				   killed */
112 	pid_t	rk_fpid;	/* out - first failed pid for which error
113 				   is returned */
114 	u_int	rk_pad0[15];
115 };
116 
117 #define	REAPER_KILL_CHILDREN	0x00000001
118 #define	REAPER_KILL_SUBTREE	0x00000002
119 
120 #define	PROC_TRACE_CTL_ENABLE		1
121 #define	PROC_TRACE_CTL_DISABLE		2
122 #define	PROC_TRACE_CTL_DISABLE_EXEC	3
123 
124 #define	PROC_TRAPCAP_CTL_ENABLE		1
125 #define	PROC_TRAPCAP_CTL_DISABLE	2
126 
127 #define	PROC_ASLR_FORCE_ENABLE		1
128 #define	PROC_ASLR_FORCE_DISABLE		2
129 #define	PROC_ASLR_NOFORCE		3
130 #define	PROC_ASLR_ACTIVE		0x80000000
131 
132 #define	PROC_PROTMAX_FORCE_ENABLE	1
133 #define	PROC_PROTMAX_FORCE_DISABLE	2
134 #define	PROC_PROTMAX_NOFORCE		3
135 #define	PROC_PROTMAX_ACTIVE		0x80000000
136 
137 #ifndef _KERNEL
138 __BEGIN_DECLS
139 int	procctl(idtype_t, id_t, int, void *);
140 __END_DECLS
141 
142 #endif
143 
144 #endif /* !_SYS_PROCCTL_H_ */
145