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. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * @(#)util.c 8.4 (Berkeley) 4/2/94
37 * $FreeBSD: src/usr.bin/chpass/util.c,v 1.13 2004/01/18 21:46:39 charnier Exp $
38 * $DragonFly: src/usr.bin/chpass/util.c,v 1.3 2003/10/02 17:42:26 hmp Exp $
41 #include <sys/types.h>
52 static const char *months[] =
53 { "January", "February", "March", "April", "May", "June",
54 "July", "August", "September", "October", "November",
64 tp = localtime(&tval);
65 sprintf(tbuf, "%s %d, %d", months[tp->tm_mon],
66 tp->tm_mday, tp->tm_year + 1900);
74 atot(char *p, time_t *store)
89 lt = localtime(&tval);
91 if (!(t = strtok(p, " \t")))
96 for (mp = months;; ++mp) {
99 if (!strncasecmp(*mp, t, 3)) {
100 month = mp - months + 1;
105 if (!(t = strtok(NULL, " \t,")) || !isdigit(*t))
108 if (!(t = strtok(NULL, " \t,")) || !isdigit(*t))
111 if (day < 1 || day > 31 || month < 1 || month > 12)
113 /* Allow two digit years 1969-2068 */
120 lt->tm_year = year - 1900;
121 lt->tm_mon = month - 1;
127 if ((tval = mktime(lt)) < 0)
139 while ((sh = getusershell())) {
140 if (!strcmp(name, sh)) {
144 /* allow just shell name, but use "real" path */
145 if ((p = strrchr(sh, '/')) && strcmp(name, p + 1) == 0) {
155 dup_shell(char *name)
160 while ((sh = getusershell())) {
161 if (!strcmp(name, sh)) {
163 return (strdup(name));
165 /* allow just shell name, but use "real" path */
166 if ((p = strrchr(sh, '/')) && strcmp(name, p + 1) == 0) {