2 * Copyright (c) 1988, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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
33 * @(#)field.c 8.4 (Berkeley) 4/2/94
36 #include <sys/param.h>
50 #include "pathnames.h"
60 warnx("empty login field");
64 warnx("login names may not begin with a hyphen");
67 if (!(pw->pw_name = strdup(p))) {
68 warnx("can't save entry");
72 warnx("\'.\' is dangerous in a login name");
75 warnx("upper-case letters are dangerous in a login name");
89 pw->pw_passwd = ""; /* "NOLOGIN"; */
90 else if (!(pw->pw_passwd = strdup(p))) {
91 warnx("can't save password entry");
109 warnx("empty uid field");
113 warnx("illegal uid");
117 id = strtoul(p, &np, 10);
118 if (*np || (id == ULONG_MAX && errno == ERANGE)) {
119 warnx("illegal uid");
138 warnx("empty gid field");
142 if (!(gr = getgrnam(p))) {
143 warnx("unknown group %s", p);
146 pw->pw_gid = gr->gr_gid;
150 id = strtoul(p, &np, 10);
151 if (*np || (id == ULONG_MAX && errno == ERANGE)) {
152 warnx("illegal gid");
168 else if (!(pw->pw_class = strdup(p))) {
169 warnx("can't save entry");
183 if (!atot(p, &pw->pw_change))
185 warnx("illegal date for change field");
196 if (!atot(p, &pw->pw_expire))
198 warnx("illegal date for expire field");
211 else if (!(ep->save = strdup(p))) {
212 warnx("can't save entry");
226 warnx("empty home directory field");
229 if (!(pw->pw_dir = strdup(p))) {
230 warnx("can't save entry");
243 char *t, *ok_shell();
247 pw->pw_shell = _PATH_BSHELL;
250 /* only admin can change from or to "restricted" shells */
251 if (uid && pw->pw_shell && !ok_shell(pw->pw_shell)) {
252 warnx("%s: current shell non-standard", pw->pw_shell);
255 if (!(t = ok_shell(p))) {
257 warnx("%s: non-standard shell", p);
263 if (!(pw->pw_shell = strdup(p))) {
264 warnx("can't save entry");
267 if (stat(pw->pw_shell, &sbuf) < 0) {
269 warnx("WARNING: shell '%s' does not exist",
272 warn("WARNING: can't stat shell '%s'", pw->pw_shell);
275 if (!S_ISREG(sbuf.st_mode)) {
276 warnx("WARNING: shell '%s' is not a regular file",
280 if ((sbuf.st_mode & (S_IXOTH | S_IXGRP | S_IXUSR)) == 0) {
281 warnx("WARNING: shell '%s' is not executable", pw->pw_shell);