2 * Copyright (c) 1988, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 * Copyright (c) 2002 Networks Associates Technology, Inc.
7 * Portions of this software were developed for the FreeBSD Project by
8 * ThinkSec AS and NAI Labs, the Security Research Division of Network
9 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
10 * ("CBOSS"), as part of the DARPA CHATS research program.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * @(#)field.c 8.4 (Berkeley) 4/2/94
41 * $FreeBSD: src/usr.bin/chpass/field.c,v 1.9 2004/01/18 21:46:39 charnier Exp $
42 * $DragonFly: src/usr.bin/chpass/field.c,v 1.3 2003/10/02 17:42:26 hmp Exp $
45 #include <sys/param.h>
61 p_login(char *p, struct passwd *pw, ENTRY *ep __unused)
64 warnx("empty login field");
68 warnx("login names may not begin with a hyphen");
71 if (!(pw->pw_name = strdup(p))) {
72 warnx("can't save entry");
76 warnx("\'.\' is dangerous in a login name");
79 warnx("upper-case letters are dangerous in a login name");
87 p_passwd(char *p, struct passwd *pw, ENTRY *ep __unused)
89 if (!(pw->pw_passwd = strdup(p))) {
90 warnx("can't save password entry");
99 p_uid(char *p, struct passwd *pw, ENTRY *ep __unused)
105 warnx("empty uid field");
109 warnx("illegal uid");
113 id = strtoul(p, &np, 10);
114 if (*np || (id == (uid_t)ULONG_MAX && errno == ERANGE)) {
115 warnx("illegal uid");
124 p_gid(char *p, struct passwd *pw, ENTRY *ep __unused)
131 warnx("empty gid field");
135 if (!(gr = getgrnam(p))) {
136 warnx("unknown group %s", p);
139 pw->pw_gid = gr->gr_gid;
143 id = strtoul(p, &np, 10);
144 if (*np || (id == (uid_t)ULONG_MAX && errno == ERANGE)) {
145 warnx("illegal gid");
154 p_class(char *p, struct passwd *pw, ENTRY *ep __unused)
156 if (!(pw->pw_class = strdup(p))) {
157 warnx("can't save entry");
166 p_change(char *p, struct passwd *pw, ENTRY *ep __unused)
168 if (!atot(p, &pw->pw_change))
170 warnx("illegal date for change field");
176 p_expire(char *p, struct passwd *pw, ENTRY *ep __unused)
178 if (!atot(p, &pw->pw_expire))
180 warnx("illegal date for expire field");
186 p_gecos(char *p, struct passwd *pw __unused, ENTRY *ep)
188 if (!(ep->save = strdup(p))) {
189 warnx("can't save entry");
197 p_hdir(char *p, struct passwd *pw, ENTRY *ep __unused)
200 warnx("empty home directory field");
203 if (!(pw->pw_dir = strdup(p))) {
204 warnx("can't save entry");
212 p_shell(char *p, struct passwd *pw, ENTRY *ep __unused)
217 pw->pw_shell = strdup(_PATH_BSHELL);
220 /* only admin can change from or to "restricted" shells */
221 if (!master_mode && pw->pw_shell && !ok_shell(pw->pw_shell)) {
222 warnx("%s: current shell non-standard", pw->pw_shell);
227 warnx("%s: non-standard shell", p);
230 pw->pw_shell = strdup(p);
233 pw->pw_shell = dup_shell(p);
235 warnx("can't save entry");
238 if (stat(pw->pw_shell, &sbuf) < 0) {
240 warnx("WARNING: shell '%s' does not exist",
243 warn("WARNING: can't stat shell '%s'", pw->pw_shell);
246 if (!S_ISREG(sbuf.st_mode)) {
247 warnx("WARNING: shell '%s' is not a regular file",
251 if ((sbuf.st_mode & (S_IXOTH | S_IXGRP | S_IXUSR)) == 0) {
252 warnx("WARNING: shell '%s' is not executable", pw->pw_shell);