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584d2054 WJ |
1 | /* |
2 | * Copyright (c) 1988 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
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. | |
20 | * | |
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 | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | char copyright[] = | |
36 | "@(#) Copyright (c) 1988 The Regents of the University of California.\n\ | |
37 | All rights reserved.\n"; | |
38 | #endif /* not lint */ | |
39 | ||
40 | #ifndef lint | |
41 | static char sccsid[] = "@(#)passwd.c 5.5 (Berkeley) 7/6/91"; | |
42 | #endif /* not lint */ | |
43 | ||
44 | #include <stdio.h> | |
45 | #include <unistd.h> | |
46 | ||
47 | #ifdef KERBEROS | |
48 | int use_kerberos = 1; | |
49 | #endif | |
50 | ||
51 | main(argc, argv) | |
52 | int argc; | |
53 | char **argv; | |
54 | { | |
55 | extern int optind; | |
56 | register int ch; | |
57 | char *uname; | |
58 | ||
59 | #ifdef KERBEROS | |
60 | while ((ch = getopt(argc, argv, "l")) != EOF) | |
61 | switch (ch) { | |
62 | case 'l': /* change local password file */ | |
63 | use_kerberos = 0; | |
64 | break; | |
65 | #else | |
66 | while ((ch = getopt(argc, argv, "")) != EOF) | |
67 | switch (ch) { | |
68 | #endif | |
69 | default: | |
70 | case '?': | |
71 | usage(); | |
72 | exit(1); | |
73 | } | |
74 | ||
75 | argc -= optind; | |
76 | argv += optind; | |
77 | ||
78 | uname = getlogin(); | |
79 | ||
80 | switch(argc) { | |
81 | case 0: | |
82 | break; | |
83 | case 1: | |
84 | #ifdef KERBEROS | |
85 | if (use_kerberos && strcmp(argv[1], uname)) { | |
86 | (void)fprintf(stderr, "passwd: %s\n\t%s\n%s\n", | |
87 | "to change another user's Kerberos password, do", | |
88 | "\"kinit user; passwd; kdestroy\";", | |
89 | "to change a user's local passwd, use \"passwd -l user\""); | |
90 | exit(1); | |
91 | } | |
92 | #endif | |
93 | uname = argv[0]; | |
94 | break; | |
95 | default: | |
96 | usage(); | |
97 | exit(1); | |
98 | } | |
99 | ||
100 | #ifdef KERBEROS | |
101 | if (use_kerberos) | |
102 | exit(krb_passwd()); | |
103 | #endif | |
104 | exit(local_passwd(uname)); | |
105 | } | |
106 | ||
107 | usage() | |
108 | { | |
109 | #ifdef KERBEROS | |
110 | (void)fprintf(stderr, "usage: passwd [-l] user\n"); | |
111 | #else | |
112 | (void)fprintf(stderr, "usage: passwd user\n"); | |
113 | #endif | |
114 | } |