Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78

trunk/3rdparty/openssl-1.1-fit/crypto/o_time.c

@@ -0,0 +1,200 @@
+/*
+ * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/e_os2.h>
+#include <string.h>
+#include <openssl/crypto.h>
+
+struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result)
+{
+    struct tm *ts = NULL;
+
+#if defined(OPENSSL_THREADS) && defined(OPENSSL_SYS_VMS)
+    {
+        /*
+         * On VMS, gmtime_r() takes a 32-bit pointer as second argument.
+         * Since we can't know that |result| is in a space that can easily
+         * translate to a 32-bit pointer, we must store temporarily on stack
+         * and copy the result.  The stack is always reachable with 32-bit
+         * pointers.
+         */
+#if defined(OPENSSL_SYS_VMS) && __INITIAL_POINTER_SIZE
+# pragma pointer_size save
+# pragma pointer_size 32
+#endif
+        struct tm data, *ts2 = &data;
+#if defined OPENSSL_SYS_VMS && __INITIAL_POINTER_SIZE
+# pragma pointer_size restore
+#endif
+        if (gmtime_r(timer, ts2) == NULL)
+            return NULL;
+        memcpy(result, ts2, sizeof(struct tm));
+        ts = result;
+    }
+#elif defined(OPENSSL_THREADS) && !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_MACOSX)
+    if (gmtime_r(timer, result) == NULL)
+        return NULL;
+    ts = result;
+#elif defined (OPENSSL_SYS_WINDOWS) && defined(_MSC_VER) && _MSC_VER >= 1400
+    if (gmtime_s(result, timer))
+        return NULL;
+    ts = result;
+#else
+    ts = gmtime(timer);
+    if (ts == NULL)
+        return NULL;
+
+    memcpy(result, ts, sizeof(struct tm));
+    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);
+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 time_sec, time_year, time_month, time_day;
+    long time_jd;
+
+    /* Convert time and offset into Julian day and seconds */
+    if (!julian_adj(tm, off_day, offset_sec, &time_jd, &time_sec))
+        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 = time_sec / 3600;
+    tm->tm_min = (time_sec / 60) % 60;
+    tm->tm_sec = time_sec % 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 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;
+
+    *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;
+}