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 * @(#) Copyright (c) 1988, 1993, 1994 The Regents of the University of California. All rights reserved.
34 * @(#)passwd.c 8.3 (Berkeley) 4/2/94
35 * $FreeBSD: src/usr.bin/passwd/passwd.c,v 1.16.2.1 2001/03/12 10:48:08 assar Exp $
36 * $DragonFly: src/usr.bin/passwd/passwd.c,v 1.2 2003/06/17 04:29:30 dillon Exp $
39 #include <sys/types.h>
52 #include <rpcsvc/yp.h>
54 int yp_errno = YP_TRUE;
55 extern int yp_passwd __P(( char * ));
64 static void usage __P((void));
66 int use_local_passwd = 0;
76 char *iflag = 0, *rflag = 0, *uflag = 0;
83 #define OPTIONS "d:h:lysfoi:r:u:"
85 #define OPTIONS "d:h:lysfo"
90 #define OPTIONS "li:r:u:"
99 if (strstr(argv[0], "yppasswd")) __use_yp = 1;
102 while ((ch = getopt(argc, argv, OPTIONS)) != -1) {
104 case 'l': /* change local password file */
105 use_local_passwd = 1;
117 #endif /* KERBEROS */
119 case 'y': /* Change NIS password */
122 case 'd': /* Specify NIS domain. */
127 if (yp_server == NULL)
128 yp_server = "localhost";
131 warnx("only the super-user may use the -d flag");
135 case 'h': /* Specify NIS server. */
142 warnx("only the super-user may use the -h flag");
159 if ((uname = getlogin()) == NULL)
174 * If NIS is turned on in the password database, use it, else punt.
177 if (__use_yp || (iflag == NULL && rflag == NULL && uflag == NULL)) {
179 res = use_yp(uname, 0, 0);
180 if (res == USER_YP_ONLY) {
181 if (!use_local_passwd) {
182 exit(yp_passwd(uname));
185 * Reject -l flag if NIS is turned on and the user
186 * doesn't exist in the local password database.
188 errx(1, "unknown local user: %s", uname);
190 } else if (res == USER_LOCAL_ONLY) {
192 * Reject -y flag if user only exists locally.
195 errx(1, "unknown NIS user: %s", uname);
196 } else if (res == USER_YP_AND_LOCAL) {
197 if (!use_local_passwd && (yp_in_pw_file || __use_yp))
198 exit(yp_passwd(uname));
205 if (!use_local_passwd) {
207 k = auth_getval("auth_list");
208 if (k && strstr(k, "kerberos"))
209 if(krb_get_lrealm(realm, 0) == KSUCCESS) {
211 fprintf(stderr, "realm %s\n", realm);
212 exit(krb_passwd(argv[0], iflag, rflag, uflag));
216 exit(local_passwd(uname));
225 fprintf(stderr, "%s\n%s\n",
226 "usage: passwd [-l] [-i instance] [-r realm] [-u fullname]",
227 " passwd [-l] [-y] [-o] [-d domain [-h host]] [user]");
229 (void)fprintf(stderr,
230 "usage: passwd [-l] [-y] [-o] [-d domain [-h host]] [user]\n");
235 "usage: passwd [-l] [-i instance] [-r realm] [-u fullname] [user]\n");
237 (void)fprintf(stderr, "usage: passwd user\n");