1/*-
2 * Copyright (c) 2013 The FreeBSD Foundation
3 * All rights reserved.
4 *
5 * This software was developed by Pawel Jakub Dawidek under sponsorship from
6 * the FreeBSD Foundation.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD$
30 */
31
32#ifndef	_CAP_GRP_H_
33#define	_CAP_GRP_H_
34
35#ifdef HAVE_CASPER
36#define WITH_CASPER
37#endif
38
39#include <sys/cdefs.h>
40
41#ifdef WITH_CASPER
42__BEGIN_DECLS
43
44struct group *cap_getgrent(cap_channel_t *chan);
45struct group *cap_getgrnam(cap_channel_t *chan, const char *name);
46struct group *cap_getgrgid(cap_channel_t *chan, gid_t gid);
47
48int cap_getgrent_r(cap_channel_t *chan, struct group *grp, char *buffer,
49    size_t bufsize, struct group **result);
50int cap_getgrnam_r(cap_channel_t *chan, const char *name, struct group *grp,
51    char *buffer, size_t bufsize, struct group **result);
52int cap_getgrgid_r(cap_channel_t *chan, gid_t gid, struct group *grp,
53    char *buffer, size_t bufsize, struct group **result);
54
55int cap_setgroupent(cap_channel_t *chan, int stayopen);
56int cap_setgrent(cap_channel_t *chan);
57void cap_endgrent(cap_channel_t *chan);
58
59int cap_grp_limit_cmds(cap_channel_t *chan, const char * const *cmds,
60    size_t ncmds);
61int cap_grp_limit_fields(cap_channel_t *chan, const char * const *fields,
62    size_t nfields);
63int cap_grp_limit_groups(cap_channel_t *chan, const char * const *names,
64    size_t nnames, const gid_t *gids, size_t ngids);
65
66__END_DECLS
67
68#else
69#define	cap_getgrent(chan)		getgrent()
70#define	cap_getgrnam(chan, name)	getgrnam(name)
71#define	cap_getgrgid(chan, gid)		getgrgid(gid)
72
73#define	cap_setgroupent(chan, stayopen) etgroupent(stayopen)
74#define endgrent(chan)			endgrent()
75static inline int
76cap_setgrent(cap_channel_t *chan __unused)
77{
78
79	setgrent();
80	return(0);
81}
82
83#define	cap_getgrent_r(chan, grp, buffer, bufsize, result)			\
84	getgrent_r(grp, buffer, bufsize, result)
85#define	cap_getgrnam_r(chan, name, grp, buffer, bufsize, result)		\
86	getgrnam_r(name, grp, buffer, bufsize, result)
87#define	cap_getgrgid_r(chan, gid, grp, buffer, bufsize, result)			\
88	getgrgid_r(gid, grp, buffer, bufsize, result)
89
90#define	cap_grp_limit_cmds(chan, cmds, ncmds)			(0)
91#define	cap_grp_limit_fields(chan, fields, nfields)		(0)
92#define	cap_grp_limit_groups(chan, names, nnames, gids, ngids)	(0)
93
94#endif
95
96#endif	/* !_CAP_GRP_H_ */
97