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
35 static const char copyright[] =
36 "@(#) Copyright (c) 1988, 1993, 1994\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)passwd.c 8.3 (Berkeley) 4/2/94";
44 static const char rcsid[] =
48 #include <sys/types.h>
61 #include <rpcsvc/yp.h>
63 int yp_errno = YP_TRUE;
64 extern int yp_passwd( char * );
73 static void usage(void);
75 int use_local_passwd = 0;
85 char *iflag = 0, *rflag = 0, *uflag = 0;
92 #define OPTIONS "d:h:lysfoi:r:u:"
94 #define OPTIONS "d:h:lysfo"
99 #define OPTIONS "li:r:u:"
108 if (strstr(argv[0], "yppasswd")) __use_yp = 1;
111 while ((ch = getopt(argc, argv, OPTIONS)) != -1) {
113 case 'l': /* change local password file */
114 use_local_passwd = 1;
126 #endif /* KERBEROS */
128 case 'y': /* Change NIS password */
131 case 'd': /* Specify NIS domain. */
136 if (yp_server == NULL)
137 yp_server = "localhost";
140 warnx("only the super-user may use the -d flag");
144 case 'h': /* Specify NIS server. */
151 warnx("only the super-user may use the -h flag");
168 if ((uname = getlogin()) == NULL)
183 * If NIS is turned on in the password database, use it, else punt.
186 if (__use_yp || (iflag == NULL && rflag == NULL && uflag == NULL)) {
188 res = use_yp(uname, 0, 0);
189 if (res == USER_YP_ONLY) {
190 if (!use_local_passwd) {
191 exit(yp_passwd(uname));
194 * Reject -l flag if NIS is turned on and the user
195 * doesn't exist in the local password database.
197 errx(1, "unknown local user: %s", uname);
199 } else if (res == USER_LOCAL_ONLY) {
201 * Reject -y flag if user only exists locally.
204 errx(1, "unknown NIS user: %s", uname);
205 } else if (res == USER_YP_AND_LOCAL) {
206 if (!use_local_passwd && (yp_in_pw_file || __use_yp))
207 exit(yp_passwd(uname));
214 if (!use_local_passwd) {
216 k = auth_getval("auth_list");
217 if (k && strstr(k, "kerberos"))
218 if(krb_get_lrealm(realm, 0) == KSUCCESS) {
220 fprintf(stderr, "realm %s\n", realm);
221 exit(krb_passwd(argv[0], iflag, rflag, uflag));
225 exit(local_passwd(uname));
234 fprintf(stderr, "%s\n%s\n",
235 "usage: passwd [-l] [-i instance] [-r realm] [-u fullname]",
236 " passwd [-l] [-y] [-o] [-d domain [-h host]] [user]");
238 (void)fprintf(stderr,
239 "usage: passwd [-l] [-y] [-o] [-d domain [-h host]] [user]\n");
244 "usage: passwd [-l] [-i instance] [-r realm] [-u fullname] [user]\n");
246 (void)fprintf(stderr, "usage: passwd user\n");