grupd.c revision 286201 
1/*-
2 * Copyright (C) 1996
3 *	David L. Nugent.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#ifndef lint
28static const char rcsid[] =
29  "$FreeBSD: head/usr.sbin/pw/grupd.c 286201 2015-08-02 13:22:46Z bapt $";
30#endif /* not lint */
31
32#include <err.h>
33#include <grp.h>
34#include <libutil.h>
35#include <stdio.h>
36#include <stdlib.h>
37
38#include "pwupd.h"
39
40char *
41getgrpath(const char * file)
42{
43	static char pathbuf[MAXPATHLEN];
44
45	snprintf(pathbuf, sizeof pathbuf, "%s/%s", conf.etcpath, file);
46
47	return (pathbuf);
48}
49
50static int
51gr_update(struct group * grp, char const * group)
52{
53	int pfd, tfd;
54	struct group *gr = NULL;
55	struct group *old_gr = NULL;
56
57	if (grp != NULL)
58		gr = gr_dup(grp);
59
60	if (group != NULL)
61		old_gr = GETGRNAM(group);
62
63	if (gr_init(conf.etcpath, NULL))
64		err(1, "gr_init()");
65
66	if ((pfd = gr_lock()) == -1) {
67		gr_fini();
68		err(1, "gr_lock()");
69	}
70	if ((tfd = gr_tmp(-1)) == -1) {
71		gr_fini();
72		err(1, "gr_tmp()");
73	}
74	if (gr_copy(pfd, tfd, gr, old_gr) == -1) {
75		gr_fini();
76		err(1, "gr_copy()");
77	}
78	if (gr_mkdb() == -1) {
79		gr_fini();
80		err(1, "gr_mkdb()");
81	}
82	free(gr);
83	gr_fini();
84	return 0;
85}
86
87
88int
89addgrent(struct group * grp)
90{
91	return gr_update(grp, NULL);
92}
93
94int
95chggrent(char const * login, struct group * grp)
96{
97	return gr_update(grp, login);
98}
99
100int
101delgrent(struct group * grp)
102{
103
104	return (gr_update(NULL, grp->gr_name));
105}
106