Replace the old OpenSSL julian date stuff with BoringSSL's

OpenSSL dealt with time conversion using a classical julian
day scheme. BoringSSL got rid of it and uses only a julian
style calculation for seconds since the POSIX time epoch.

This changes libressl to use the seconds calculation exculusively
instead of a mix of the julian day based conversions and the
system time conversions to and from time_t to tm.

ok tb@ jsing@

1 files changed, 0 insertions, 242 deletions

diff --git a/src/lib/libcrypto/o_time.c b/src/lib/libcrypto/o_time.c
deleted file mode 100644
index 3f164c7fde..0000000000
--- a/src/lib/libcrypto/o_time.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/* $OpenBSD: o_time.c,v 1.16 2021/10/27 09:50:56 beck Exp $ */
-/* 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 <string.h>
-
-#include "o_time.h"
-
-/* 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);
-static int julian_adj(const struct tm *tm, int off_day, long offset_sec,
-    long *pday, int *psec);
-
-int
-OPENSSL_gmtime_adj(struct 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;
-
-}
-
-int
-OPENSSL_gmtime_diff(int *pday, int *psec, const struct tm *from,
-    const struct tm *to)
-{
-        int from_sec, to_sec, diff_sec;
-        long from_jd, to_jd, diff_day;
-
-        if (!julian_adj(from, 0, 0, &from_jd, &from_sec))
-                return 0;
-        if (!julian_adj(to, 0, 0, &to_jd, &to_sec))
-                return 0;
-        diff_day = to_jd - from_jd;
-        diff_sec = to_sec - from_sec;
-        /* Adjust differences so both positive or both negative */
-        if (diff_day > 0 && diff_sec < 0) {
-                diff_day--;
-                diff_sec += SECS_PER_DAY;
-        }
-        if (diff_day < 0 && diff_sec > 0) {
-                diff_day++;
-                diff_sec -= SECS_PER_DAY;
-        }
-
-        if (pday)
-                *pday = (int)diff_day;
-        if (psec)
-                *psec = diff_sec;
-
-        return 1;
-
-}
-
-/* Convert tm structure and offset into julian day and seconds */
-static int
-julian_adj(const struct tm *tm, int off_day, long offset_sec, long *pday,
-    int *psec)
-{
-        int time_year, time_month, time_day;
-        long offset_day, time_jd;
-        int offset_hms;
-
-        /* 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;
-
-        *pday = time_jd;
-        *psec = offset_hms;
-
-        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;
-}