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diff --git a/src/lib/libcrypto/o_time.c b/src/lib/libcrypto/o_time.c
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1/* crypto/o_time.c -*- mode:C; c-file-style: "eay" -*- */
2/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
3 * project 2001.
4 */
5/* ====================================================================
6 * Copyright (c) 2001 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <openssl/e_os2.h>
60#include <string.h>
61#include "o_time.h"
62
63#ifdef OPENSSL_SYS_VMS
64# include <libdtdef.h>
65# include <lib$routines.h>
66# include <lnmdef.h>
67# include <starlet.h>
68# include <descrip.h>
69# include <stdlib.h>
70#endif
71
72struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result)
73 {
74 struct tm *ts = NULL;
75
76#if defined(OPENSSL_THREADS) && !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_OS2) && !defined(__CYGWIN32__) && (!defined(OPENSSL_SYS_VMS) || defined(gmtime_r)) && !defined(OPENSSL_SYS_MACOSX) && !defined(OPENSSL_SYS_SUNOS)
77 /* should return &data, but doesn't on some systems,
78 so we don't even look at the return value */
79 gmtime_r(timer,result);
80 ts = result;
81#elif !defined(OPENSSL_SYS_VMS)
82 ts = gmtime(timer);
83 if (ts == NULL)
84 return NULL;
85
86 memcpy(result, ts, sizeof(struct tm));
87 ts = result;
88#endif
89#ifdef OPENSSL_SYS_VMS
90 if (ts == NULL)
91 {
92 static $DESCRIPTOR(tabnam,"LNM$DCL_LOGICAL");
93 static $DESCRIPTOR(lognam,"SYS$TIMEZONE_DIFFERENTIAL");
94 char logvalue[256];
95 unsigned int reslen = 0;
96 struct {
97 short buflen;
98 short code;
99 void *bufaddr;
100 unsigned int *reslen;
101 } itemlist[] = {
102 { 0, LNM$_STRING, 0, 0 },
103 { 0, 0, 0, 0 },
104 };
105 int status;
106 time_t t;
107
108 /* Get the value for SYS$TIMEZONE_DIFFERENTIAL */
109 itemlist[0].buflen = sizeof(logvalue);
110 itemlist[0].bufaddr = logvalue;
111 itemlist[0].reslen = &reslen;
112 status = sys$trnlnm(0, &tabnam, &lognam, 0, itemlist);
113 if (!(status & 1))
114 return NULL;
115 logvalue[reslen] = '\0';
116
117 /* Get the numerical value of the equivalence string */
118 status = atoi(logvalue);
119
120 /* and use it to move time to GMT */
121 t = *timer - status;
122
123 /* then convert the result to the time structure */
124#ifndef OPENSSL_THREADS
125 ts=(struct tm *)localtime(&t);
126#else
127 /* Since there was no gmtime_r() to do this stuff for us,
128 we have to do it the hard way. */
129 {
130 /* The VMS epoch is the astronomical Smithsonian date,
131 if I remember correctly, which is November 17, 1858.
132 Furthermore, time is measure in thenths of microseconds
133 and stored in quadwords (64 bit integers). unix_epoch
134 below is January 1st 1970 expressed as a VMS time. The
135 following code was used to get this number:
136
137 #include <stdio.h>
138 #include <stdlib.h>
139 #include <lib$routines.h>
140 #include <starlet.h>
141
142 main()
143 {
144 unsigned long systime[2];
145 unsigned short epoch_values[7] =
146 { 1970, 1, 1, 0, 0, 0, 0 };
147
148 lib$cvt_vectim(epoch_values, systime);
149
150 printf("%u %u", systime[0], systime[1]);
151 }
152 */
153 unsigned long unix_epoch[2] = { 1273708544, 8164711 };
154 unsigned long deltatime[2];
155 unsigned long systime[2];
156 struct vms_vectime
157 {
158 short year, month, day, hour, minute, second,
159 centi_second;
160 } time_values;
161 long operation;
162
163 /* Turn the number of seconds since January 1st 1970 to
164 an internal delta time.
165 Note that lib$cvt_to_internal_time() will assume
166 that t is signed, and will therefore break on 32-bit
167 systems some time in 2038.
168 */
169 operation = LIB$K_DELTA_SECONDS;
170 status = lib$cvt_to_internal_time(&operation,
171 &t, deltatime);
172
173 /* Add the delta time with the Unix epoch and we have
174 the current UTC time in internal format */
175 status = lib$add_times(unix_epoch, deltatime, systime);
176
177 /* Turn the internal time into a time vector */
178 status = sys$numtim(&time_values, systime);
179
180 /* Fill in the struct tm with the result */
181 result->tm_sec = time_values.second;
182 result->tm_min = time_values.minute;
183 result->tm_hour = time_values.hour;
184 result->tm_mday = time_values.day;
185 result->tm_mon = time_values.month - 1;
186 result->tm_year = time_values.year - 1900;
187
188 operation = LIB$K_DAY_OF_WEEK;
189 status = lib$cvt_from_internal_time(&operation,
190 &result->tm_wday, systime);
191 result->tm_wday %= 7;
192
193 operation = LIB$K_DAY_OF_YEAR;
194 status = lib$cvt_from_internal_time(&operation,
195 &result->tm_yday, systime);
196 result->tm_yday--;
197
198 result->tm_isdst = 0; /* There's no way to know... */
199
200 ts = result;
201#endif
202 }
203 }
204#endif
205 return ts;
206 }
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