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 * @(#)util.c 8.4 (Berkeley) 4/2/94
41 * $FreeBSD: src/usr.bin/chpass/util.c,v 1.13 2004/01/18 21:46:39 charnier Exp $
42 * $DragonFly: src/usr.bin/chpass/util.c,v 1.3 2003/10/02 17:42:26 hmp Exp $
45 #include <sys/types.h>
56 static const char *months[] =
57 { "January", "February", "March", "April", "May", "June",
58 "July", "August", "September", "October", "November",
68 tp = localtime(&tval);
69 sprintf(tbuf, "%s %d, %d", months[tp->tm_mon],
70 tp->tm_mday, tp->tm_year + 1900);
78 atot(char *p, time_t *store)
93 lt = localtime(&tval);
95 if (!(t = strtok(p, " \t")))
100 for (mp = months;; ++mp) {
103 if (!strncasecmp(*mp, t, 3)) {
104 month = mp - months + 1;
109 if (!(t = strtok(NULL, " \t,")) || !isdigit(*t))
112 if (!(t = strtok(NULL, " \t,")) || !isdigit(*t))
115 if (day < 1 || day > 31 || month < 1 || month > 12)
117 /* Allow two digit years 1969-2068 */
124 lt->tm_year = year - 1900;
125 lt->tm_mon = month - 1;
131 if ((tval = mktime(lt)) < 0)
143 while ((sh = getusershell())) {
144 if (!strcmp(name, sh)) {
148 /* allow just shell name, but use "real" path */
149 if ((p = strrchr(sh, '/')) && strcmp(name, p + 1) == 0) {
159 dup_shell(char *name)
164 while ((sh = getusershell())) {
165 if (!strcmp(name, sh)) {
167 return (strdup(name));
169 /* allow just shell name, but use "real" path */
170 if ((p = strrchr(sh, '/')) && strcmp(name, p + 1) == 0) {