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
43 static char sccsid[] = "@(#)field.c 8.4 (Berkeley) 4/2/94";
47 #include <sys/cdefs.h>
48 __FBSDID("$FreeBSD$");
50 #include <sys/param.h>
66 p_login(char *p, struct passwd *pw, ENTRY *ep __unused)
69 warnx("empty login field");
73 warnx("login names may not begin with a hyphen");
76 if (!(pw->pw_name = strdup(p))) {
77 warnx("can't save entry");
81 warnx("\'.\' is dangerous in a login name");
84 warnx("upper-case letters are dangerous in a login name");
92 p_passwd(char *p, struct passwd *pw, ENTRY *ep __unused)
94 if (!(pw->pw_passwd = strdup(p))) {
95 warnx("can't save password entry");
104 p_uid(char *p, struct passwd *pw, ENTRY *ep __unused)
110 warnx("empty uid field");
114 warnx("illegal uid");
118 id = strtoul(p, &np, 10);
119 if (*np || (id == (uid_t)ULONG_MAX && errno == ERANGE)) {
120 warnx("illegal uid");
129 p_gid(char *p, struct passwd *pw, ENTRY *ep __unused)
136 warnx("empty gid field");
140 if (!(gr = getgrnam(p))) {
141 warnx("unknown group %s", p);
144 pw->pw_gid = gr->gr_gid;
148 id = strtoul(p, &np, 10);
149 if (*np || (id == (uid_t)ULONG_MAX && errno == ERANGE)) {
150 warnx("illegal gid");
159 p_class(char *p, struct passwd *pw, ENTRY *ep __unused)
161 if (!(pw->pw_class = strdup(p))) {
162 warnx("can't save entry");
171 p_change(char *p, struct passwd *pw, ENTRY *ep __unused)
173 if (!atot(p, &pw->pw_change))
175 warnx("illegal date for change field");
181 p_expire(char *p, struct passwd *pw, ENTRY *ep __unused)
183 if (!atot(p, &pw->pw_expire))
185 warnx("illegal date for expire field");
191 p_gecos(char *p, struct passwd *pw __unused, ENTRY *ep)
193 if (!(ep->save = strdup(p))) {
194 warnx("can't save entry");
202 p_hdir(char *p, struct passwd *pw, ENTRY *ep __unused)
205 warnx("empty home directory field");
208 if (!(pw->pw_dir = strdup(p))) {
209 warnx("can't save entry");
217 p_shell(char *p, struct passwd *pw, ENTRY *ep __unused)
222 pw->pw_shell = strdup(_PATH_BSHELL);
225 /* only admin can change from or to "restricted" shells */
226 if (!master_mode && pw->pw_shell && !ok_shell(pw->pw_shell)) {
227 warnx("%s: current shell non-standard", pw->pw_shell);
232 warnx("%s: non-standard shell", p);
235 pw->pw_shell = strdup(p);
238 pw->pw_shell = dup_shell(p);
240 warnx("can't save entry");
243 if (stat(pw->pw_shell, &sbuf) < 0) {
245 warnx("WARNING: shell '%s' does not exist",
248 warn("WARNING: can't stat shell '%s'", pw->pw_shell);
251 if (!S_ISREG(sbuf.st_mode)) {
252 warnx("WARNING: shell '%s' is not a regular file",
256 if ((sbuf.st_mode & (S_IXOTH | S_IXGRP | S_IXUSR)) == 0) {
257 warnx("WARNING: shell '%s' is not executable", pw->pw_shell);