xref: /freebsd/lib/libjail/jail.h (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2009 James Gritton.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _JAIL_H
32 #define _JAIL_H
33 
34 #define	JP_RAWVALUE	0x01
35 #define	JP_BOOL		0x02
36 #define	JP_NOBOOL	0x04
37 #define	JP_JAILSYS	0x08
38 
39 #define JAIL_ERRMSGLEN	1024
40 
41 extern char jail_errmsg[];
42 
43 struct jailparam {
44 	char		*jp_name;
45 	void		*jp_value;
46 	size_t		 jp_valuelen;
47 	size_t		 jp_elemlen;
48 	int		 jp_ctltype;
49 	int		 jp_structtype;
50 	unsigned	 jp_flags;
51 };
52 
53 __BEGIN_DECLS
54 extern int jail_getid(const char *name);
55 extern char *jail_getname(int jid);
56 extern int jail_setv(int flags, ...);
57 extern int jail_getv(int flags, ...);
58 extern int jailparam_all(struct jailparam **jpp);
59 extern int jailparam_init(struct jailparam *jp, const char *name);
60 extern int jailparam_import(struct jailparam *jp, const char *value);
61 extern int jailparam_import_raw(struct jailparam *jp, void *value,
62 	       size_t valuelen);
63 extern int jailparam_set(struct jailparam *jp, unsigned njp, int flags);
64 extern int jailparam_get(struct jailparam *jp, unsigned njp, int flags);
65 extern char *jailparam_export(struct jailparam *jp);
66 extern void jailparam_free(struct jailparam *jp, unsigned njp);
67 __END_DECLS
68 
69 #endif /* _JAIL_H  */
70 
71 
72