1 files changed, 372 insertions, 0 deletions

diff --git a/src/lib/libcrypto/o_time.c b/src/lib/libcrypto/o_time.c
new file mode 100644
index 0000000000..9030fdef7a
--- /dev/null
+++ b/src/lib/libcrypto/o_time.c
@@ -0,0 +1,372 @@
+/* crypto/o_time.c -*- mode:C; c-file-style: "eay" -*- */
+/* 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 <string.h>
+#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
+
+struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result)
+        {
+        struct 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)
+        /* 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;
+
+        memcpy(result, ts, sizeof(struct 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$_STRING, 0, 0 },
+                        { 0, 0, 0, 0 },
+                };
+                int status;
+                time_t t;
+
+                /* Get the value for SYS$TIMEZONE_DIFFERENTIAL */
+                itemlist[0].buflen = sizeof(logvalue);
+                itemlist[0].bufaddr = logvalue;
+                itemlist[0].reslen = &reslen;
+                status = sys$trnlnm(0, &tabnam, &lognam, 0, itemlist);
+                if (!(status & 1))
+                        return NULL;
+                logvalue[reslen] = '\0';
+
+                t = *timer;
+
+/* The following is extracted from the DEC C header time.h */
+/*
+**  Beginning in OpenVMS Version 7.0 mktime, time, ctime, strftime
+**  have two implementations.  One implementation is provided
+**  for compatibility and deals with time in terms of local time,
+**  the other __utc_* deals with time in terms of UTC.
+*/
+/* We use the same conditions as in said time.h to check if we should
+   assume that t contains local time (and should therefore be adjusted)
+   or UTC (and should therefore be left untouched). */
+#if __CRTL_VER < 70000000 || defined _VMS_V6_SOURCE
+                /* Get the numerical value of the equivalence string */
+                status = atoi(logvalue);
+
+                /* and use it to move time to GMT */
+                t -= status;
+#endif
+
+                /* then convert the result to the time structure */
+
+                /* Since there was no gmtime_r() to do this stuff for us,
+                   we have to do it the hard way. */
+                {
+                /* The VMS epoch is the astronomical Smithsonian date,
+                   if I remember correctly, which is November 17, 1858.
+                   Furthermore, time is measure in thenths of microseconds
+                   and stored in quadwords (64 bit integers).  unix_epoch
+                   below is January 1st 1970 expressed as a VMS time.  The
+                   following code was used to get this number:
+
+                   #include <stdio.h>
+                   #include <stdlib.h>
+                   #include <lib$routines.h>
+                   #include <starlet.h>
+
+                   main()
+                   {
+                     unsigned long systime[2];
+                     unsigned short epoch_values[7] =
+                       { 1970, 1, 1, 0, 0, 0, 0 };
+
+                     lib$cvt_vectim(epoch_values, systime);
+
+                     printf("%u %u", systime[0], systime[1]);
+                   }
+                */
+                unsigned long unix_epoch[2] = { 1273708544, 8164711 };
+                unsigned long deltatime[2];
+                unsigned long systime[2];
+                struct vms_vectime
+                        {
+                        short year, month, day, hour, minute, second,
+                                centi_second;
+                        } time_values;
+                long operation;
+
+                /* Turn the number of seconds since January 1st 1970 to
+                   an internal delta time.
+                   Note that lib$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 struct 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(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;
+                
+}
+
+/* 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
+
+#include <stdio.h>
+
+/* Time checking test code. Check times are identical for a wide range of
+ * offsets. This should be run on a machine with 64 bit 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)
+        {
+        struct tm tm1, tm2;
+        time_t t1, t2;
+        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;
+        fprintf(stderr, "TIME ERROR!!\n");
+        fprintf(stderr, "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);
+        fprintf(stderr, "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