xref: /freebsd/lib/libjail/jail.h (revision 7899f917b1c0ea178f1d2be0cfb452086d079d23)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 
29 #ifndef _JAIL_H
30 #define _JAIL_H
31 
32 #define	JP_RAWVALUE	0x01
33 #define	JP_BOOL		0x02
34 #define	JP_NOBOOL	0x04
35 #define	JP_JAILSYS	0x08
36 
37 #define JAIL_ERRMSGLEN	1024
38 
39 extern char jail_errmsg[];
40 
41 struct jailparam {
42 	char		*jp_name;
43 	void		*jp_value;
44 	size_t		 jp_valuelen;
45 	size_t		 jp_elemlen;
46 	int		 jp_ctltype;
47 	int		 jp_structtype;
48 	unsigned	 jp_flags;
49 };
50 
51 __BEGIN_DECLS
52 extern int jail_getid(const char *name);
53 extern char *jail_getname(int jid);
54 extern int jail_setv(int flags, ...);
55 extern int jail_getv(int flags, ...);
56 extern int jailparam_all(struct jailparam **jpp);
57 extern int jailparam_init(struct jailparam *jp, const char *name);
58 extern int jailparam_import(struct jailparam *jp, const char *value);
59 extern int jailparam_import_raw(struct jailparam *jp, void *value,
60 	       size_t valuelen);
61 extern int jailparam_set(struct jailparam *jp, unsigned njp, int flags);
62 extern int jailparam_get(struct jailparam *jp, unsigned njp, int flags);
63 extern char *jailparam_export(struct jailparam *jp);
64 extern void jailparam_free(struct jailparam *jp, unsigned njp);
65 __END_DECLS
66 
67 #endif /* _JAIL_H  */
68 
69 
70