| /* crypto/o_time.c */ |
| /* |
| * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project |
| * 2001. |
| */ |
| /* |
| * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
| * 2008. |
| */ |
| /* ==================================================================== |
| * Copyright (c) 2001 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * licensing@OpenSSL.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| |
| #include <openssl/e_os2.h> |
| #include <openssl/opensslconf.h> |
| #if defined(OPENSSL_SYS_STARBOARD) |
| #include "starboard/client_porting/poem/eztime_poem.h" |
| #else |
| # include <stdio.h> |
| #include <string.h> |
| #endif // !defined(OPENSSL_SYS_STARBOARD) |
| #include "o_time.h" |
| |
| #ifdef OPENSSL_SYS_VMS |
| # if __CRTL_VER >= 70000000 && \ |
| (defined _POSIX_C_SOURCE || !defined _ANSI_C_SOURCE) |
| # define VMS_GMTIME_OK |
| # endif |
| # ifndef VMS_GMTIME_OK |
| # include <libdtdef.h> |
| # include <lib$routines.h> |
| # include <lnmdef.h> |
| # include <starlet.h> |
| # include <descrip.h> |
| # include <stdlib.h> |
| # endif /* ndef VMS_GMTIME_OK */ |
| #endif |
| |
| OPENSSL_port_tm *OPENSSL_gmtime(const OPENSSL_port_time_t *timer, OPENSSL_port_tm *result) |
| { |
| OPENSSL_port_tm *ts = NULL; |
| |
| #if defined(OPENSSL_THREADS) && !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_OS2) && (!defined(OPENSSL_SYS_VMS) || defined(gmtime_r)) && !defined(OPENSSL_SYS_MACOSX) && !defined(OPENSSL_SYS_SUNOS) || defined(OPENSSL_SYS_STARBOARD) |
| /* |
| * should return &data, but doesn't on some systems, so we don't even |
| * look at the return value |
| */ |
| gmtime_r(timer, result); |
| ts = result; |
| #elif !defined(OPENSSL_SYS_VMS) || defined(VMS_GMTIME_OK) |
| ts = gmtime(timer); |
| if (ts == NULL) |
| return NULL; |
| |
| OPENSSL_port_memcpy(result, ts, sizeof(OPENSSL_port_tm)); |
| ts = result; |
| #endif |
| #if defined( OPENSSL_SYS_VMS) && !defined( VMS_GMTIME_OK) |
| if (ts == NULL) { |
| static $DESCRIPTOR(tabnam, "LNM$DCL_LOGICAL"); |
| static $DESCRIPTOR(lognam, "SYS$TIMEZONE_DIFFERENTIAL"); |
| char logvalue[256]; |
| unsigned int reslen = 0; |
| struct { |
| short buflen; |
| short code; |
| void *bufaddr; |
| unsigned int *reslen; |
| } itemlist[] = { |
| { |
| 0, LNM$_STRING, 0, 0 |
| }, |
| { |
| 0, 0, 0, 0 |
| }, |
| }; |
| int status; |
| OPENSSL_port_time_t t; |
| |
| /* Get the value for SYS$TIMEZONE_DIFFERENTIAL */ |
| itemlist[0].buflen = sizeof(logvalue); |
| itemlist[0].bufaddr = logvalue; |
| itemlist[0].reslen = &reslen; |
| status = sys$trnlnm(0, &tabnam, &lognam, 0, itemlist); |
| if (!(status & 1)) |
| return NULL; |
| logvalue[reslen] = '\0'; |
| |
| t = *timer; |
| |
| /* The following is extracted from the DEC C header time.h */ |
| /* |
| ** Beginning in OpenVMS Version 7.0 mktime, time, ctime, strftime |
| ** have two implementations. One implementation is provided |
| ** for compatibility and deals with time in terms of local time, |
| ** the other __utc_* deals with time in terms of UTC. |
| */ |
| /* |
| * We use the same conditions as in said time.h to check if we should |
| * assume that t contains local time (and should therefore be |
| * adjusted) or UTC (and should therefore be left untouched). |
| */ |
| # if __CRTL_VER < 70000000 || defined _VMS_V6_SOURCE |
| /* Get the numerical value of the equivalence string */ |
| status = OPENSSL_port_atoi(logvalue); |
| |
| /* and use it to move time to GMT */ |
| t -= status; |
| # endif |
| |
| /* then convert the result to the time structure */ |
| |
| /* |
| * Since there was no gmtime_r() to do this stuff for us, we have to |
| * do it the hard way. |
| */ |
| { |
| /*- |
| * The VMS epoch is the astronomical Smithsonian date, |
| if I remember correctly, which is November 17, 1858. |
| Furthermore, time is measure in thenths of microseconds |
| and stored in quadwords (64 bit integers). unix_epoch |
| below is January 1st 1970 expressed as a VMS time. The |
| following code was used to get this number: |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <lib$routines.h> |
| #include <starlet.h> |
| |
| main() |
| { |
| unsigned long systime[2]; |
| unsigned short epoch_values[7] = |
| { 1970, 1, 1, 0, 0, 0, 0 }; |
| |
| lib$cvt_vectim(epoch_values, systime); |
| |
| OPENSSL_port_printf("%u %u", systime[0], systime[1]); |
| } |
| */ |
| unsigned long unix_epoch[2] = { 1273708544, 8164711 }; |
| unsigned long deltatime[2]; |
| unsigned long systime[2]; |
| struct vms_vectime { |
| short year, month, day, hour, minute, second, centi_second; |
| } time_values; |
| long operation; |
| |
| /* |
| * Turn the number of seconds since January 1st 1970 to an |
| * internal delta time. Note that lib$cvt_to_internal_time() will |
| * assume that t is signed, and will therefore break on 32-bit |
| * systems some time in 2038. |
| */ |
| operation = LIB$K_DELTA_SECONDS; |
| status = lib$cvt_to_internal_time(&operation, &t, deltatime); |
| |
| /* |
| * Add the delta time with the Unix epoch and we have the current |
| * UTC time in internal format |
| */ |
| status = lib$add_times(unix_epoch, deltatime, systime); |
| |
| /* Turn the internal time into a time vector */ |
| status = sys$numtim(&time_values, systime); |
| |
| /* Fill in the OPENSSL_port_tm with the result */ |
| result->tm_sec = time_values.second; |
| result->tm_min = time_values.minute; |
| result->tm_hour = time_values.hour; |
| result->tm_mday = time_values.day; |
| result->tm_mon = time_values.month - 1; |
| result->tm_year = time_values.year - 1900; |
| |
| operation = LIB$K_DAY_OF_WEEK; |
| status = lib$cvt_from_internal_time(&operation, |
| &result->tm_wday, systime); |
| result->tm_wday %= 7; |
| |
| operation = LIB$K_DAY_OF_YEAR; |
| status = lib$cvt_from_internal_time(&operation, |
| &result->tm_yday, systime); |
| result->tm_yday--; |
| |
| result->tm_isdst = 0; /* There's no way to know... */ |
| |
| ts = result; |
| } |
| } |
| #endif |
| return ts; |
| } |
| |
| /* |
| * Take a tm structure and add an offset to it. This avoids any OS issues |
| * with restricted date types and overflows which cause the year 2038 |
| * problem. |
| */ |
| |
| #define SECS_PER_DAY (24 * 60 * 60) |
| |
| static long date_to_julian(int y, int m, int d); |
| static void julian_to_date(long jd, int *y, int *m, int *d); |
| |
| int OPENSSL_gmtime_adj(OPENSSL_port_tm *tm, int off_day, long offset_sec) |
| { |
| int offset_hms, offset_day; |
| long time_jd; |
| int time_year, time_month, time_day; |
| /* split offset into days and day seconds */ |
| offset_day = offset_sec / SECS_PER_DAY; |
| /* Avoid sign issues with % operator */ |
| offset_hms = offset_sec - (offset_day * SECS_PER_DAY); |
| offset_day += off_day; |
| /* Add current time seconds to offset */ |
| offset_hms += tm->tm_hour * 3600 + tm->tm_min * 60 + tm->tm_sec; |
| /* Adjust day seconds if overflow */ |
| if (offset_hms >= SECS_PER_DAY) { |
| offset_day++; |
| offset_hms -= SECS_PER_DAY; |
| } else if (offset_hms < 0) { |
| offset_day--; |
| offset_hms += SECS_PER_DAY; |
| } |
| |
| /* |
| * Convert date of time structure into a Julian day number. |
| */ |
| |
| time_year = tm->tm_year + 1900; |
| time_month = tm->tm_mon + 1; |
| time_day = tm->tm_mday; |
| |
| time_jd = date_to_julian(time_year, time_month, time_day); |
| |
| /* Work out Julian day of new date */ |
| time_jd += offset_day; |
| |
| if (time_jd < 0) |
| return 0; |
| |
| /* Convert Julian day back to date */ |
| |
| julian_to_date(time_jd, &time_year, &time_month, &time_day); |
| |
| if (time_year < 1900 || time_year > 9999) |
| return 0; |
| |
| /* Update tm structure */ |
| |
| tm->tm_year = time_year - 1900; |
| tm->tm_mon = time_month - 1; |
| tm->tm_mday = time_day; |
| |
| tm->tm_hour = offset_hms / 3600; |
| tm->tm_min = (offset_hms / 60) % 60; |
| tm->tm_sec = offset_hms % 60; |
| |
| return 1; |
| |
| } |
| |
| /* |
| * Convert date to and from julian day Uses Fliegel & Van Flandern algorithm |
| */ |
| static long date_to_julian(int y, int m, int d) |
| { |
| return (1461 * (y + 4800 + (m - 14) / 12)) / 4 + |
| (367 * (m - 2 - 12 * ((m - 14) / 12))) / 12 - |
| (3 * ((y + 4900 + (m - 14) / 12) / 100)) / 4 + d - 32075; |
| } |
| |
| static void julian_to_date(long jd, int *y, int *m, int *d) |
| { |
| long L = jd + 68569; |
| long n = (4 * L) / 146097; |
| long i, j; |
| |
| L = L - (146097 * n + 3) / 4; |
| i = (4000 * (L + 1)) / 1461001; |
| L = L - (1461 * i) / 4 + 31; |
| j = (80 * L) / 2447; |
| *d = L - (2447 * j) / 80; |
| L = j / 11; |
| *m = j + 2 - (12 * L); |
| *y = 100 * (n - 49) + i + L; |
| } |
| |
| #ifdef OPENSSL_TIME_TEST |
| |
| |
| /* |
| * Time checking test code. Check times are identical for a wide range of |
| * offsets. This should be run on a machine with 64 bit OPENSSL_port_time_t or it will |
| * trigger the very errors the routines fix. |
| */ |
| |
| int main(int argc, char **argv) |
| { |
| long offset; |
| for (offset = 0; offset < 1000000; offset++) { |
| check_time(offset); |
| check_time(-offset); |
| check_time(offset * 1000); |
| check_time(-offset * 1000); |
| } |
| } |
| |
| int check_time(long offset) |
| { |
| OPENSSL_port_tm tm1, tm2; |
| OPENSSL_port_time_t t1, t2; |
| OPENSSL_port_time(&t1); |
| t2 = t1 + offset; |
| OPENSSL_gmtime(&t2, &tm2); |
| OPENSSL_gmtime(&t1, &tm1); |
| OPENSSL_gmtime_adj(&tm1, 0, offset); |
| if ((tm1.tm_year == tm2.tm_year) && |
| (tm1.tm_mon == tm2.tm_mon) && |
| (tm1.tm_mday == tm2.tm_mday) && |
| (tm1.tm_hour == tm2.tm_hour) && |
| (tm1.tm_min == tm2.tm_min) && (tm1.tm_sec == tm2.tm_sec)) |
| return 1; |
| OPENSSL_port_printferr("TIME ERROR!!\n"); |
| OPENSSL_port_printferr("Time1: %d/%d/%d, %d:%02d:%02d\n", |
| tm2.tm_mday, tm2.tm_mon + 1, tm2.tm_year + 1900, |
| tm2.tm_hour, tm2.tm_min, tm2.tm_sec); |
| OPENSSL_port_printferr("Time2: %d/%d/%d, %d:%02d:%02d\n", |
| tm1.tm_mday, tm1.tm_mon + 1, tm1.tm_year + 1900, |
| tm1.tm_hour, tm1.tm_min, tm1.tm_sec); |
| return 0; |
| } |
| |
| #endif |
