Commit | Line | Data |
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59f1a2c1 | 1 | /*- |
ed554bc5 | 2 | * Copyright (c) 1988, 1993, 1994 |
ad787160 | 3 | * The Regents of the University of California. All rights reserved. |
0c82d36d | 4 | * |
ad787160 C |
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. | |
0c82d36d KB |
32 | */ |
33 | ||
34 | #ifndef lint | |
ed554bc5 | 35 | static char sccsid[] = "@(#)util.c 8.4 (Berkeley) 4/2/94"; |
0c82d36d KB |
36 | #endif /* not lint */ |
37 | ||
38 | #include <sys/types.h> | |
ed554bc5 C |
39 | |
40 | #include <ctype.h> | |
cac8e61f | 41 | #include <pwd.h> |
0c82d36d | 42 | #include <stdio.h> |
ed554bc5 | 43 | #include <stdlib.h> |
59f1a2c1 | 44 | #include <string.h> |
ed554bc5 C |
45 | #include <time.h> |
46 | #include <tzfile.h> | |
47 | #include <unistd.h> | |
48 | ||
435e8dff | 49 | #include "chpass.h" |
cac8e61f | 50 | #include "pathnames.h" |
0c82d36d KB |
51 | |
52 | static int dmsize[] = | |
53 | { -1, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; | |
54 | static char *months[] = | |
ef97d022 KB |
55 | { "January", "February", "March", "April", "May", "June", |
56 | "July", "August", "September", "October", "November", | |
57 | "December", NULL }; | |
ed554bc5 | 58 | |
0c82d36d KB |
59 | char * |
60 | ttoa(tval) | |
61 | time_t tval; | |
62 | { | |
63 | struct tm *tp; | |
db763e95 | 64 | static char tbuf[50]; |
0c82d36d | 65 | |
ef97d022 | 66 | if (tval) { |
0c82d36d | 67 | tp = localtime(&tval); |
bb28de88 KB |
68 | (void)sprintf(tbuf, "%s %d, %d", months[tp->tm_mon], |
69 | tp->tm_mday, tp->tm_year + TM_YEAR_BASE); | |
0c82d36d | 70 | } |
ef97d022 KB |
71 | else |
72 | *tbuf = '\0'; | |
ed554bc5 | 73 | return (tbuf); |
0c82d36d KB |
74 | } |
75 | ||
ed554bc5 | 76 | int |
0c82d36d KB |
77 | atot(p, store) |
78 | char *p; | |
79 | time_t *store; | |
80 | { | |
0c82d36d | 81 | static struct tm *lt; |
ed554bc5 C |
82 | char *t, **mp; |
83 | time_t tval; | |
0c82d36d KB |
84 | int day, month, year; |
85 | ||
ef97d022 | 86 | if (!*p) { |
0c82d36d | 87 | *store = 0; |
ed554bc5 | 88 | return (0); |
0c82d36d KB |
89 | } |
90 | if (!lt) { | |
91 | unsetenv("TZ"); | |
92 | (void)time(&tval); | |
93 | lt = localtime(&tval); | |
94 | } | |
d264b2a3 | 95 | if (!(t = strtok(p, " \t"))) |
0c82d36d KB |
96 | goto bad; |
97 | for (mp = months;; ++mp) { | |
98 | if (!*mp) | |
99 | goto bad; | |
100 | if (!strncasecmp(*mp, t, 3)) { | |
101 | month = mp - months + 1; | |
102 | break; | |
103 | } | |
104 | } | |
d264b2a3 KB |
105 | if (!(t = strtok((char *)NULL, " \t,")) || !isdigit(*t)) |
106 | goto bad; | |
107 | day = atoi(t); | |
108 | if (!(t = strtok((char *)NULL, " \t,")) || !isdigit(*t)) | |
0c82d36d KB |
109 | goto bad; |
110 | year = atoi(t); | |
111 | if (day < 1 || day > 31 || month < 1 || month > 12 || !year) | |
112 | goto bad; | |
113 | if (year < 100) | |
114 | year += TM_YEAR_BASE; | |
115 | if (year <= EPOCH_YEAR) | |
ed554bc5 | 116 | bad: return (1); |
0c82d36d KB |
117 | tval = isleap(year) && month > 2; |
118 | for (--year; year >= EPOCH_YEAR; --year) | |
119 | tval += isleap(year) ? | |
791ff54b | 120 | DAYSPERLYEAR : DAYSPERNYEAR; |
0c82d36d KB |
121 | while (--month) |
122 | tval += dmsize[month]; | |
db763e95 | 123 | tval += day; |
791ff54b | 124 | tval = tval * HOURSPERDAY * MINSPERHOUR * SECSPERMIN; |
0c82d36d KB |
125 | tval -= lt->tm_gmtoff; |
126 | *store = tval; | |
ed554bc5 | 127 | return (0); |
0c82d36d KB |
128 | } |
129 | ||
34dda72c KB |
130 | char * |
131 | ok_shell(name) | |
ed554bc5 | 132 | char *name; |
34dda72c | 133 | { |
ed554bc5 | 134 | char *p, *sh; |
34dda72c KB |
135 | |
136 | setusershell(); | |
137 | while (sh = getusershell()) { | |
138 | if (!strcmp(name, sh)) | |
ed554bc5 | 139 | return (name); |
34dda72c | 140 | /* allow just shell name, but use "real" path */ |
ed554bc5 C |
141 | if ((p = strrchr(sh, '/')) && strcmp(name, p + 1) == 0) |
142 | return (sh); | |
34dda72c | 143 | } |
ed554bc5 | 144 | return (NULL); |
0c82d36d | 145 | } |