1*0Sstevel@tonic-gate /* crypto/o_time.c -*- mode:C; c-file-style: "eay" -*- */ 2*0Sstevel@tonic-gate /* Written by Richard Levitte (richard@levitte.org) for the OpenSSL 3*0Sstevel@tonic-gate * project 2001. 4*0Sstevel@tonic-gate */ 5*0Sstevel@tonic-gate /* ==================================================================== 6*0Sstevel@tonic-gate * Copyright (c) 2001 The OpenSSL Project. All rights reserved. 7*0Sstevel@tonic-gate * 8*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 9*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions 10*0Sstevel@tonic-gate * are met: 11*0Sstevel@tonic-gate * 12*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the above copyright 13*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 14*0Sstevel@tonic-gate * 15*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 16*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in 17*0Sstevel@tonic-gate * the documentation and/or other materials provided with the 18*0Sstevel@tonic-gate * distribution. 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this 21*0Sstevel@tonic-gate * software must display the following acknowledgment: 22*0Sstevel@tonic-gate * "This product includes software developed by the OpenSSL Project 23*0Sstevel@tonic-gate * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24*0Sstevel@tonic-gate * 25*0Sstevel@tonic-gate * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26*0Sstevel@tonic-gate * endorse or promote products derived from this software without 27*0Sstevel@tonic-gate * prior written permission. For written permission, please contact 28*0Sstevel@tonic-gate * licensing@OpenSSL.org. 29*0Sstevel@tonic-gate * 30*0Sstevel@tonic-gate * 5. Products derived from this software may not be called "OpenSSL" 31*0Sstevel@tonic-gate * nor may "OpenSSL" appear in their names without prior written 32*0Sstevel@tonic-gate * permission of the OpenSSL Project. 33*0Sstevel@tonic-gate * 34*0Sstevel@tonic-gate * 6. Redistributions of any form whatsoever must retain the following 35*0Sstevel@tonic-gate * acknowledgment: 36*0Sstevel@tonic-gate * "This product includes software developed by the OpenSSL Project 37*0Sstevel@tonic-gate * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38*0Sstevel@tonic-gate * 39*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40*0Sstevel@tonic-gate * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42*0Sstevel@tonic-gate * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43*0Sstevel@tonic-gate * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44*0Sstevel@tonic-gate * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45*0Sstevel@tonic-gate * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46*0Sstevel@tonic-gate * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48*0Sstevel@tonic-gate * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49*0Sstevel@tonic-gate * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50*0Sstevel@tonic-gate * OF THE POSSIBILITY OF SUCH DAMAGE. 51*0Sstevel@tonic-gate * ==================================================================== 52*0Sstevel@tonic-gate * 53*0Sstevel@tonic-gate * This product includes cryptographic software written by Eric Young 54*0Sstevel@tonic-gate * (eay@cryptsoft.com). This product includes software written by Tim 55*0Sstevel@tonic-gate * Hudson (tjh@cryptsoft.com). 56*0Sstevel@tonic-gate * 57*0Sstevel@tonic-gate */ 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate #include <openssl/e_os2.h> 60*0Sstevel@tonic-gate #include <string.h> 61*0Sstevel@tonic-gate #include "o_time.h" 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate #ifdef OPENSSL_SYS_VMS 64*0Sstevel@tonic-gate # include <libdtdef.h> 65*0Sstevel@tonic-gate # include <lib$routines.h> 66*0Sstevel@tonic-gate # include <lnmdef.h> 67*0Sstevel@tonic-gate # include <starlet.h> 68*0Sstevel@tonic-gate # include <descrip.h> 69*0Sstevel@tonic-gate # include <stdlib.h> 70*0Sstevel@tonic-gate #endif 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result) 73*0Sstevel@tonic-gate { 74*0Sstevel@tonic-gate struct tm *ts = NULL; 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate #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*0Sstevel@tonic-gate /* should return &data, but doesn't on some systems, 78*0Sstevel@tonic-gate so we don't even look at the return value */ 79*0Sstevel@tonic-gate gmtime_r(timer,result); 80*0Sstevel@tonic-gate ts = result; 81*0Sstevel@tonic-gate #elif !defined(OPENSSL_SYS_VMS) 82*0Sstevel@tonic-gate ts = gmtime(timer); 83*0Sstevel@tonic-gate if (ts == NULL) 84*0Sstevel@tonic-gate return NULL; 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate memcpy(result, ts, sizeof(struct tm)); 87*0Sstevel@tonic-gate ts = result; 88*0Sstevel@tonic-gate #endif 89*0Sstevel@tonic-gate #ifdef OPENSSL_SYS_VMS 90*0Sstevel@tonic-gate if (ts == NULL) 91*0Sstevel@tonic-gate { 92*0Sstevel@tonic-gate static $DESCRIPTOR(tabnam,"LNM$DCL_LOGICAL"); 93*0Sstevel@tonic-gate static $DESCRIPTOR(lognam,"SYS$TIMEZONE_DIFFERENTIAL"); 94*0Sstevel@tonic-gate char logvalue[256]; 95*0Sstevel@tonic-gate unsigned int reslen = 0; 96*0Sstevel@tonic-gate struct { 97*0Sstevel@tonic-gate short buflen; 98*0Sstevel@tonic-gate short code; 99*0Sstevel@tonic-gate void *bufaddr; 100*0Sstevel@tonic-gate unsigned int *reslen; 101*0Sstevel@tonic-gate } itemlist[] = { 102*0Sstevel@tonic-gate { 0, LNM$_STRING, 0, 0 }, 103*0Sstevel@tonic-gate { 0, 0, 0, 0 }, 104*0Sstevel@tonic-gate }; 105*0Sstevel@tonic-gate int status; 106*0Sstevel@tonic-gate time_t t; 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate /* Get the value for SYS$TIMEZONE_DIFFERENTIAL */ 109*0Sstevel@tonic-gate itemlist[0].buflen = sizeof(logvalue); 110*0Sstevel@tonic-gate itemlist[0].bufaddr = logvalue; 111*0Sstevel@tonic-gate itemlist[0].reslen = &reslen; 112*0Sstevel@tonic-gate status = sys$trnlnm(0, &tabnam, &lognam, 0, itemlist); 113*0Sstevel@tonic-gate if (!(status & 1)) 114*0Sstevel@tonic-gate return NULL; 115*0Sstevel@tonic-gate logvalue[reslen] = '\0'; 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate /* Get the numerical value of the equivalence string */ 118*0Sstevel@tonic-gate status = atoi(logvalue); 119*0Sstevel@tonic-gate 120*0Sstevel@tonic-gate /* and use it to move time to GMT */ 121*0Sstevel@tonic-gate t = *timer - status; 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate /* then convert the result to the time structure */ 124*0Sstevel@tonic-gate #ifndef OPENSSL_THREADS 125*0Sstevel@tonic-gate ts=(struct tm *)localtime(&t); 126*0Sstevel@tonic-gate #else 127*0Sstevel@tonic-gate /* Since there was no gmtime_r() to do this stuff for us, 128*0Sstevel@tonic-gate we have to do it the hard way. */ 129*0Sstevel@tonic-gate { 130*0Sstevel@tonic-gate /* The VMS epoch is the astronomical Smithsonian date, 131*0Sstevel@tonic-gate if I remember correctly, which is November 17, 1858. 132*0Sstevel@tonic-gate Furthermore, time is measure in thenths of microseconds 133*0Sstevel@tonic-gate and stored in quadwords (64 bit integers). unix_epoch 134*0Sstevel@tonic-gate below is January 1st 1970 expressed as a VMS time. The 135*0Sstevel@tonic-gate following code was used to get this number: 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate #include <stdio.h> 138*0Sstevel@tonic-gate #include <stdlib.h> 139*0Sstevel@tonic-gate #include <lib$routines.h> 140*0Sstevel@tonic-gate #include <starlet.h> 141*0Sstevel@tonic-gate 142*0Sstevel@tonic-gate main() 143*0Sstevel@tonic-gate { 144*0Sstevel@tonic-gate unsigned long systime[2]; 145*0Sstevel@tonic-gate unsigned short epoch_values[7] = 146*0Sstevel@tonic-gate { 1970, 1, 1, 0, 0, 0, 0 }; 147*0Sstevel@tonic-gate 148*0Sstevel@tonic-gate lib$cvt_vectim(epoch_values, systime); 149*0Sstevel@tonic-gate 150*0Sstevel@tonic-gate printf("%u %u", systime[0], systime[1]); 151*0Sstevel@tonic-gate } 152*0Sstevel@tonic-gate */ 153*0Sstevel@tonic-gate unsigned long unix_epoch[2] = { 1273708544, 8164711 }; 154*0Sstevel@tonic-gate unsigned long deltatime[2]; 155*0Sstevel@tonic-gate unsigned long systime[2]; 156*0Sstevel@tonic-gate struct vms_vectime 157*0Sstevel@tonic-gate { 158*0Sstevel@tonic-gate short year, month, day, hour, minute, second, 159*0Sstevel@tonic-gate centi_second; 160*0Sstevel@tonic-gate } time_values; 161*0Sstevel@tonic-gate long operation; 162*0Sstevel@tonic-gate 163*0Sstevel@tonic-gate /* Turn the number of seconds since January 1st 1970 to 164*0Sstevel@tonic-gate an internal delta time. 165*0Sstevel@tonic-gate Note that lib$cvt_to_internal_time() will assume 166*0Sstevel@tonic-gate that t is signed, and will therefore break on 32-bit 167*0Sstevel@tonic-gate systems some time in 2038. 168*0Sstevel@tonic-gate */ 169*0Sstevel@tonic-gate operation = LIB$K_DELTA_SECONDS; 170*0Sstevel@tonic-gate status = lib$cvt_to_internal_time(&operation, 171*0Sstevel@tonic-gate &t, deltatime); 172*0Sstevel@tonic-gate 173*0Sstevel@tonic-gate /* Add the delta time with the Unix epoch and we have 174*0Sstevel@tonic-gate the current UTC time in internal format */ 175*0Sstevel@tonic-gate status = lib$add_times(unix_epoch, deltatime, systime); 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate /* Turn the internal time into a time vector */ 178*0Sstevel@tonic-gate status = sys$numtim(&time_values, systime); 179*0Sstevel@tonic-gate 180*0Sstevel@tonic-gate /* Fill in the struct tm with the result */ 181*0Sstevel@tonic-gate result->tm_sec = time_values.second; 182*0Sstevel@tonic-gate result->tm_min = time_values.minute; 183*0Sstevel@tonic-gate result->tm_hour = time_values.hour; 184*0Sstevel@tonic-gate result->tm_mday = time_values.day; 185*0Sstevel@tonic-gate result->tm_mon = time_values.month - 1; 186*0Sstevel@tonic-gate result->tm_year = time_values.year - 1900; 187*0Sstevel@tonic-gate 188*0Sstevel@tonic-gate operation = LIB$K_DAY_OF_WEEK; 189*0Sstevel@tonic-gate status = lib$cvt_from_internal_time(&operation, 190*0Sstevel@tonic-gate &result->tm_wday, systime); 191*0Sstevel@tonic-gate result->tm_wday %= 7; 192*0Sstevel@tonic-gate 193*0Sstevel@tonic-gate operation = LIB$K_DAY_OF_YEAR; 194*0Sstevel@tonic-gate status = lib$cvt_from_internal_time(&operation, 195*0Sstevel@tonic-gate &result->tm_yday, systime); 196*0Sstevel@tonic-gate result->tm_yday--; 197*0Sstevel@tonic-gate 198*0Sstevel@tonic-gate result->tm_isdst = 0; /* There's no way to know... */ 199*0Sstevel@tonic-gate 200*0Sstevel@tonic-gate ts = result; 201*0Sstevel@tonic-gate #endif 202*0Sstevel@tonic-gate } 203*0Sstevel@tonic-gate } 204*0Sstevel@tonic-gate #endif 205*0Sstevel@tonic-gate return ts; 206*0Sstevel@tonic-gate } 207