-/*
+/*
Unix SMB/CIFS implementation.
time handling functions
- Copyright (C) Andrew Tridgell 1992-1998
- Copyright (C) Stefan (metze) Metzmacher 2002
+
+ Copyright (C) Andrew Tridgell 1992-2004
+ Copyright (C) Stefan (metze) Metzmacher 2002
+ Copyright (C) Jeremy Allison 2007
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
-/*
- This stuff was largely rewritten by Paul Eggert <eggert@twinsun.com>
- in May 1996
- */
+/**
+ * @file
+ * @brief time handling functions
+ */
-int extra_time_offset = 0;
-#ifndef CHAR_BIT
-#define CHAR_BIT 8
-#endif
+#define NTTIME_INFINITY (NTTIME)0x8000000000000000LL
-#ifndef TIME_T_MIN
-#define TIME_T_MIN ((time_t)0 < (time_t) -1 ? (time_t) 0 \
- : ~ (time_t) 0 << (sizeof (time_t) * CHAR_BIT - 1))
-#endif
-#ifndef TIME_T_MAX
-#define TIME_T_MAX (~ (time_t) 0 - TIME_T_MIN)
+#if (SIZEOF_LONG == 8)
+#define TIME_FIXUP_CONSTANT_INT 11644473600L
+#elif (SIZEOF_LONG_LONG == 8)
+#define TIME_FIXUP_CONSTANT_INT 11644473600LL
#endif
-void get_nttime_max(NTTIME *t)
-{
- /* FIXME: This is incorrect */
- unix_to_nt_time(t, get_time_t_max());
-}
+/**************************************************************
+ Handle conversions between time_t and uint32, taking care to
+ preserve the "special" values.
+**************************************************************/
-/*******************************************************************
- External access to time_t_min and time_t_max.
-********************************************************************/
-
-time_t get_time_t_max(void)
+uint32_t convert_time_t_to_uint32_t(time_t t)
{
- return TIME_T_MAX;
+#if (defined(SIZEOF_TIME_T) && (SIZEOF_TIME_T == 8))
+ /* time_t is 64-bit. */
+ if (t == 0x8000000000000000LL) {
+ return 0x80000000;
+ } else if (t == 0x7FFFFFFFFFFFFFFFLL) {
+ return 0x7FFFFFFF;
+ }
+#endif
+ return (uint32_t)t;
}
-/*******************************************************************
- A gettimeofday wrapper.
-********************************************************************/
-
-void GetTimeOfDay(struct timeval *tval)
+time_t convert_uint32_t_to_time_t(uint32_t u)
{
-#ifdef HAVE_GETTIMEOFDAY_TZ
- gettimeofday(tval,NULL);
-#else
- gettimeofday(tval);
+#if (defined(SIZEOF_TIME_T) && (SIZEOF_TIME_T == 8))
+ /* time_t is 64-bit. */
+ if (u == 0x80000000) {
+ return (time_t)0x8000000000000000LL;
+ } else if (u == 0x7FFFFFFF) {
+ return (time_t)0x7FFFFFFFFFFFFFFFLL;
+ }
#endif
+ return (time_t)u;
}
-#define TM_YEAR_BASE 1900
-
-/*******************************************************************
- Yield the difference between *A and *B, in seconds, ignoring leap seconds.
-********************************************************************/
+/****************************************************************************
+ Check if NTTIME is 0.
+****************************************************************************/
-static int tm_diff(struct tm *a, struct tm *b)
+bool nt_time_is_zero(const NTTIME *nt)
{
- int ay = a->tm_year + (TM_YEAR_BASE - 1);
- int by = b->tm_year + (TM_YEAR_BASE - 1);
- int intervening_leap_days = (ay/4 - by/4) - (ay/100 - by/100) + (ay/400 - by/400);
- int years = ay - by;
- int days = 365*years + intervening_leap_days + (a->tm_yday - b->tm_yday);
- int hours = 24*days + (a->tm_hour - b->tm_hour);
- int minutes = 60*hours + (a->tm_min - b->tm_min);
- int seconds = 60*minutes + (a->tm_sec - b->tm_sec);
-
- return seconds;
+ return (*nt == 0);
}
-/*******************************************************************
- Return the UTC offset in seconds west of UTC, or 0 if it cannot be determined.
-******************************************************************/
+/****************************************************************************
+ Convert ASN.1 GeneralizedTime string to unix-time.
+ Returns 0 on failure; Currently ignores timezone.
+****************************************************************************/
-int get_time_zone(time_t t)
+time_t generalized_to_unix_time(const char *str)
{
- struct tm *tm = gmtime(&t);
- struct tm tm_utc;
+ struct tm tm;
- if (!tm) {
- return 0;
- }
- tm_utc = *tm;
- tm = localtime(&t);
- if (!tm) {
+ ZERO_STRUCT(tm);
+
+ if (sscanf(str, "%4d%2d%2d%2d%2d%2d",
+ &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
+ &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) {
return 0;
}
- return tm_diff(&tm_utc,tm) + 60*extra_time_offset;
+ tm.tm_year -= 1900;
+ tm.tm_mon -= 1;
+
+ return timegm(&tm);
}
/*******************************************************************
return server_zone_offset;
}
-/*******************************************************************
- Re-read the smb serverzone value.
-******************************************************************/
-
-static struct timeval start_time_hires;
-
-void TimeInit(void)
-{
- set_server_zone_offset(time(NULL));
-
- DEBUG(4,("TimeInit: Serverzone is %d\n", server_zone_offset));
-
- /* Save the start time of this process. */
- if (start_time_hires.tv_sec == 0 && start_time_hires.tv_usec == 0) {
- GetTimeOfDay(&start_time_hires);
- }
-}
-
-/**********************************************************************
- Return a timeval struct of the uptime of this process. As TimeInit is
- done before a daemon fork then this is the start time from the parent
- daemon start. JRA.
-***********************************************************************/
-
-void get_process_uptime(struct timeval *ret_time)
-{
- struct timeval time_now_hires;
-
- GetTimeOfDay(&time_now_hires);
- ret_time->tv_sec = time_now_hires.tv_sec - start_time_hires.tv_sec;
- ret_time->tv_usec = time_now_hires.tv_usec - start_time_hires.tv_usec;
- if (time_now_hires.tv_usec < start_time_hires.tv_usec) {
- ret_time->tv_sec -= 1;
- ret_time->tv_usec = 1000000 + (time_now_hires.tv_usec - start_time_hires.tv_usec);
- } else {
- ret_time->tv_usec = time_now_hires.tv_usec - start_time_hires.tv_usec;
- }
-}
-
-#if 0
-/****************************************************************************
- Return the UTC offset in seconds west of UTC, adjusted for extra time offset.
-**************************************************************************/
-
-int TimeDiff(time_t t)
-{
- return get_time_zone(t);
-}
-#endif
-
-#define TIME_FIXUP_CONSTANT (369.0*365.25*24*60*60-(3.0*24*60*60+6.0*60*60))
-
-/****************************************************************************
- Interpret an 8 byte "filetime" structure to a time_t
- It's originally in "100ns units since jan 1st 1601"
-
- An 8 byte value of 0xffffffffffffffff will be returned as (time_t)0.
-
- Returns GMT.
-****************************************************************************/
-
-time_t nt_time_to_unix(NTTIME *nt)
-{
- double d;
- time_t ret;
- /* The next two lines are a fix needed for the
- broken SCO compiler. JRA. */
- time_t l_time_min = TIME_T_MIN;
- time_t l_time_max = TIME_T_MAX;
-
- if (nt->high == 0 || (nt->high == 0xffffffff && nt->low == 0xffffffff)) {
- return(0);
- }
-
- d = ((double)nt->high)*4.0*(double)(1<<30);
- d += (nt->low&0xFFF00000);
- d *= 1.0e-7;
-
- /* now adjust by 369 years to make the secs since 1970 */
- d -= TIME_FIXUP_CONSTANT;
-
- if (d <= l_time_min) {
- return (l_time_min);
- }
-
- if (d >= l_time_max) {
- return (l_time_max);
- }
-
- ret = (time_t)(d+0.5);
- return(ret);
-}
-
-/****************************************************************************
- Convert a NTTIME structure to a time_t.
- It's originally in "100ns units".
-
- This is an absolute version of the one above.
- By absolute I mean, it doesn't adjust from 1/1/1601 to 1/1/1970
- if the NTTIME was 5 seconds, the time_t is 5 seconds. JFM
-****************************************************************************/
+/***************************************************************************
+ Server versions of the above functions.
+***************************************************************************/
-time_t nt_time_to_unix_abs(NTTIME *nt)
+void srv_put_dos_date(char *buf,int offset,time_t unixdate)
{
- double d;
- time_t ret;
- /* The next two lines are a fix needed for the
- broken SCO compiler. JRA. */
- time_t l_time_min = TIME_T_MIN;
- time_t l_time_max = TIME_T_MAX;
-
- if (nt->high == 0) {
- return(0);
- }
-
- if (nt->high==0x80000000 && nt->low==0) {
- return (time_t)-1;
- }
-
- /* reverse the time */
- /* it's a negative value, turn it to positive */
- nt->high=~nt->high;
- nt->low=~nt->low;
-
- d = ((double)nt->high)*4.0*(double)(1<<30);
- d += (nt->low&0xFFF00000);
- d *= 1.0e-7;
-
- if (!(l_time_min <= d && d <= l_time_max)) {
- return(0);
- }
-
- ret = (time_t)(d+0.5);
-
- return(ret);
+ push_dos_date((uint8_t *)buf, offset, unixdate, server_zone_offset);
}
-/****************************************************************************
- Interprets an nt time into a unix time_t.
- Differs from nt_time_to_unix in that an 8 byte value of 0xffffffffffffffff
- will be returned as (time_t)-1, whereas nt_time_to_unix returns 0 in this case.
-****************************************************************************/
-
-time_t interpret_long_date(char *p)
+void srv_put_dos_date2(char *buf,int offset, time_t unixdate)
{
- NTTIME nt;
- nt.low = IVAL(p,0);
- nt.high = IVAL(p,4);
- if (nt.low == 0xFFFFFFFF && nt.high == 0xFFFFFFFF) {
- return (time_t)-1;
- }
- return nt_time_to_unix(&nt);
+ push_dos_date2((uint8_t *)buf, offset, unixdate, server_zone_offset);
}
-/****************************************************************************
- Put a 8 byte filetime from a time_t. Uses GMT.
-****************************************************************************/
-
-void unix_to_nt_time(NTTIME *nt, time_t t)
+void srv_put_dos_date3(char *buf,int offset,time_t unixdate)
{
- double d;
-
- if (t==0) {
- nt->low = 0;
- nt->high = 0;
- return;
- }
- if (t == TIME_T_MAX) {
- nt->low = 0xffffffff;
- nt->high = 0x7fffffff;
- return;
- }
- if (t == (time_t)-1) {
- nt->low = 0xffffffff;
- nt->high = 0xffffffff;
- return;
- }
-
- d = (double)(t);
- d += TIME_FIXUP_CONSTANT;
- d *= 1.0e7;
-
- nt->high = (uint32)(d * (1.0/(4.0*(double)(1<<30))));
- nt->low = (uint32)(d - ((double)nt->high)*4.0*(double)(1<<30));
+ push_dos_date3((uint8_t *)buf, offset, unixdate, server_zone_offset);
}
-/****************************************************************************
- Convert a time_t to a NTTIME structure
-
- This is an absolute version of the one above.
- By absolute I mean, it doesn't adjust from 1/1/1970 to 1/1/1601
- If the nttime_t was 5 seconds, the NTTIME is 5 seconds. JFM
-****************************************************************************/
-
-void unix_to_nt_time_abs(NTTIME *nt, time_t t)
+void round_timespec(enum timestamp_set_resolution res, struct timespec *ts)
{
- double d;
-
- if (t==0) {
- nt->low = 0;
- nt->high = 0;
+ if (is_omit_timespec(ts)) {
return;
}
- if (t == TIME_T_MAX) {
- nt->low = 0xffffffff;
- nt->high = 0x7fffffff;
- return;
- }
-
- if (t == (time_t)-1) {
- /* that's what NT uses for infinite */
- nt->low = 0x0;
- nt->high = 0x80000000;
- return;
- }
-
- d = (double)(t);
- d *= 1.0e7;
-
- nt->high = (uint32)(d * (1.0/(4.0*(double)(1<<30))));
- nt->low = (uint32)(d - ((double)nt->high)*4.0*(double)(1<<30));
-
- /* convert to a negative value */
- nt->high=~nt->high;
- nt->low=~nt->low;
+ switch (res) {
+ case TIMESTAMP_SET_SECONDS:
+ round_timespec_to_sec(ts);
+ break;
+ case TIMESTAMP_SET_MSEC:
+ round_timespec_to_usec(ts);
+ break;
+ case TIMESTAMP_SET_NT_OR_BETTER:
+ /* No rounding needed. */
+ break;
+ }
}
/****************************************************************************
- Take a Unix time and convert to an NTTIME structure and place in buffer
- pointed to by p.
+ Take a Unix time and convert to an NTTIME structure and place in buffer
+ pointed to by p, rounded to the correct resolution.
****************************************************************************/
-void put_long_date(char *p, time_t t)
+void put_long_date_timespec(enum timestamp_set_resolution res, char *p, struct timespec ts)
{
NTTIME nt;
- unix_to_nt_time(&nt, t);
- SIVAL(p, 0, nt.low);
- SIVAL(p, 4, nt.high);
-}
-
-/****************************************************************************
- Check if it's a null mtime.
-****************************************************************************/
-
-BOOL null_mtime(time_t mtime)
-{
- if (mtime == 0 || mtime == (time_t)0xFFFFFFFF || mtime == (time_t)-1)
- return(True);
- return(False);
-}
-
-/*******************************************************************
- Create a 16 bit dos packed date.
-********************************************************************/
-
-static uint16 make_dos_date1(struct tm *t)
-{
- uint16 ret=0;
- ret = (((unsigned)(t->tm_mon+1)) >> 3) | ((t->tm_year-80) << 1);
- ret = ((ret&0xFF)<<8) | (t->tm_mday | (((t->tm_mon+1) & 0x7) << 5));
- return(ret);
-}
-
-/*******************************************************************
- Create a 16 bit dos packed time.
-********************************************************************/
-
-static uint16 make_dos_time1(struct tm *t)
-{
- uint16 ret=0;
- ret = ((((unsigned)t->tm_min >> 3)&0x7) | (((unsigned)t->tm_hour) << 3));
- ret = ((ret&0xFF)<<8) | ((t->tm_sec/2) | ((t->tm_min & 0x7) << 5));
- return(ret);
-}
-
-/*******************************************************************
- Create a 32 bit dos packed date/time from some parameters.
- This takes a GMT time and returns a packed localtime structure.
-********************************************************************/
-
-static uint32 make_dos_date(time_t unixdate, int zone_offset)
-{
- struct tm *t;
- uint32 ret=0;
-
- if (unixdate == 0) {
- return 0;
- }
-
- unixdate -= zone_offset;
- t = gmtime(&unixdate);
- if (!t) {
- return 0xFFFFFFFF;
- }
-
- ret = make_dos_date1(t);
- ret = ((ret&0xFFFF)<<16) | make_dos_time1(t);
-
- return(ret);
+ round_timespec(res, &ts);
+ nt = unix_timespec_to_nt_time(ts);
+ SBVAL(p, 0, nt);
}
-/*******************************************************************
- Put a dos date into a buffer (time/date format).
- This takes GMT time and puts local time in the buffer.
-********************************************************************/
-
-static void put_dos_date(char *buf,int offset,time_t unixdate, int zone_offset)
+void put_long_date_full_timespec(enum timestamp_set_resolution res,
+ char *p,
+ const struct timespec *_ts)
{
- uint32 x = make_dos_date(unixdate, zone_offset);
- SIVAL(buf,offset,x);
-}
-
-/*******************************************************************
- Put a dos date into a buffer (date/time format).
- This takes GMT time and puts local time in the buffer.
-********************************************************************/
+ struct timespec ts = *_ts;
+ NTTIME nt;
-static void put_dos_date2(char *buf,int offset,time_t unixdate, int zone_offset)
-{
- uint32 x = make_dos_date(unixdate, zone_offset);
- x = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16);
- SIVAL(buf,offset,x);
+ round_timespec(res, &ts);
+ nt = full_timespec_to_nt_time(&ts);
+ SBVAL(p, 0, nt);
}
-/*******************************************************************
- Put a dos 32 bit "unix like" date into a buffer. This routine takes
- GMT and converts it to LOCAL time before putting it (most SMBs assume
- localtime for this sort of date)
-********************************************************************/
-
-static void put_dos_date3(char *buf,int offset,time_t unixdate, int zone_offset)
+void put_long_date(char *p, time_t t)
{
- if (!null_mtime(unixdate)) {
- unixdate -= zone_offset;
- }
- SIVAL(buf,offset,unixdate);
+ struct timespec ts;
+ ts.tv_sec = t;
+ ts.tv_nsec = 0;
+ put_long_date_timespec(TIMESTAMP_SET_SECONDS, p, ts);
}
-/*******************************************************************
- Interpret a 32 bit dos packed date/time to some parameters.
-********************************************************************/
-
-static void interpret_dos_date(uint32 date,int *year,int *month,int *day,int *hour,int *minute,int *second)
+void dos_filetime_timespec(struct timespec *tsp)
{
- uint32 p0,p1,p2,p3;
-
- p0=date&0xFF; p1=((date&0xFF00)>>8)&0xFF;
- p2=((date&0xFF0000)>>16)&0xFF; p3=((date&0xFF000000)>>24)&0xFF;
-
- *second = 2*(p0 & 0x1F);
- *minute = ((p0>>5)&0xFF) + ((p1&0x7)<<3);
- *hour = (p1>>3)&0xFF;
- *day = (p2&0x1F);
- *month = ((p2>>5)&0xFF) + ((p3&0x1)<<3) - 1;
- *year = ((p3>>1)&0xFF) + 80;
+ tsp->tv_sec &= ~1;
+ tsp->tv_nsec = 0;
}
/*******************************************************************
localtime).
********************************************************************/
-static time_t make_unix_date(void *date_ptr, int zone_offset)
+time_t make_unix_date(const void *date_ptr, int zone_offset)
{
- uint32 dos_date=0;
- struct tm t;
- time_t ret;
-
- dos_date = IVAL(date_ptr,0);
-
- if (dos_date == 0) {
- return 0;
- }
-
- interpret_dos_date(dos_date,&t.tm_year,&t.tm_mon,
- &t.tm_mday,&t.tm_hour,&t.tm_min,&t.tm_sec);
- t.tm_isdst = -1;
-
- ret = timegm(&t);
-
- ret += zone_offset;
-
- return(ret);
+ return pull_dos_date(date_ptr, zone_offset);
}
/*******************************************************************
Like make_unix_date() but the words are reversed.
********************************************************************/
-static time_t make_unix_date2(void *date_ptr, int zone_offset)
+time_t make_unix_date2(const void *date_ptr, int zone_offset)
{
- uint32 x,x2;
-
- x = IVAL(date_ptr,0);
- x2 = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16);
- SIVAL(&x,0,x2);
-
- return(make_unix_date((void *)&x, zone_offset));
+ return pull_dos_date2(date_ptr, zone_offset);
}
/*******************************************************************
these generally arrive as localtimes, with corresponding DST.
******************************************************************/
-static time_t make_unix_date3(void *date_ptr, int zone_offset)
+time_t make_unix_date3(const void *date_ptr, int zone_offset)
{
- time_t t = (time_t)IVAL(date_ptr,0);
- if (!null_mtime(t)) {
- t += zone_offset;
- }
- return(t);
+ return pull_dos_date3(date_ptr, zone_offset);
}
-/***************************************************************************
- Server versions of the above functions.
-***************************************************************************/
-
-void srv_put_dos_date(char *buf,int offset,time_t unixdate)
-{
- put_dos_date(buf, offset, unixdate, server_zone_offset);
-}
-
-void srv_put_dos_date2(char *buf,int offset, time_t unixdate)
-{
- put_dos_date2(buf, offset, unixdate, server_zone_offset);
-}
-
-void srv_put_dos_date3(char *buf,int offset,time_t unixdate)
-{
- put_dos_date3(buf, offset, unixdate, server_zone_offset);
-}
-
-time_t srv_make_unix_date(void *date_ptr)
+time_t srv_make_unix_date(const void *date_ptr)
{
return make_unix_date(date_ptr, server_zone_offset);
}
-time_t srv_make_unix_date2(void *date_ptr)
+time_t srv_make_unix_date2(const void *date_ptr)
{
return make_unix_date2(date_ptr, server_zone_offset);
}
-time_t srv_make_unix_date3(void *date_ptr)
+time_t srv_make_unix_date3(const void *date_ptr)
{
return make_unix_date3(date_ptr, server_zone_offset);
}
-/***************************************************************************
- Client versions of the above functions.
-***************************************************************************/
+/****************************************************************************
+ Interprets an nt time into a unix struct timespec.
+ Differs from nt_time_to_unix in that an 8 byte value of 0xffffffffffffffff
+ will be returned as (time_t)-1, whereas nt_time_to_unix returns 0 in this case.
+****************************************************************************/
-void cli_put_dos_date(struct cli_state *cli, char *buf, int offset, time_t unixdate)
+struct timespec interpret_long_date(const char *p)
{
- put_dos_date(buf, offset, unixdate, cli->serverzone);
+ NTTIME nt;
+ nt = BVAL(p, 0);
+ if (nt == (uint64_t)-1) {
+ struct timespec ret;
+ ret.tv_sec = (time_t)-1;
+ ret.tv_nsec = 0;
+ return ret;
+ }
+ return nt_time_to_unix_timespec(nt);
}
-void cli_put_dos_date2(struct cli_state *cli, char *buf, int offset, time_t unixdate)
-{
- put_dos_date2(buf, offset, unixdate, cli->serverzone);
-}
+/*******************************************************************
+ Re-read the smb serverzone value.
+******************************************************************/
-void cli_put_dos_date3(struct cli_state *cli, char *buf, int offset, time_t unixdate)
-{
- put_dos_date3(buf, offset, unixdate, cli->serverzone);
-}
+static struct timeval start_time_hires;
-time_t cli_make_unix_date(struct cli_state *cli, void *date_ptr)
+void TimeInit(void)
{
- return make_unix_date(date_ptr, cli->serverzone);
-}
+ set_server_zone_offset(time(NULL));
-time_t cli_make_unix_date2(struct cli_state *cli, void *date_ptr)
-{
- return make_unix_date2(date_ptr, cli->serverzone);
-}
+ DEBUG(4,("TimeInit: Serverzone is %d\n", server_zone_offset));
-time_t cli_make_unix_date3(struct cli_state *cli, void *date_ptr)
-{
- return make_unix_date3(date_ptr, cli->serverzone);
+ /* Save the start time of this process. */
+ if (start_time_hires.tv_sec == 0 && start_time_hires.tv_usec == 0) {
+ GetTimeOfDay(&start_time_hires);
+ }
}
-/***************************************************************************
- Return a HTTP/1.0 time string.
-***************************************************************************/
+/**********************************************************************
+ Return a timeval struct of the uptime of this process. As TimeInit is
+ done before a daemon fork then this is the start time from the parent
+ daemon start. JRA.
+***********************************************************************/
-char *http_timestring(time_t t)
+void get_process_uptime(struct timeval *ret_time)
{
- static fstring buf;
- struct tm *tm = localtime(&t);
-
- if (!tm)
- slprintf(buf,sizeof(buf)-1,"%ld seconds since the Epoch",(long)t);
- else
-#ifndef HAVE_STRFTIME
- fstrcpy(buf, asctime(tm));
- if(buf[strlen(buf)-1] == '\n')
- buf[strlen(buf)-1] = 0;
-#else /* !HAVE_STRFTIME */
- strftime(buf, sizeof(buf)-1, "%a, %d %b %Y %H:%M:%S %Z", tm);
-#endif /* !HAVE_STRFTIME */
- return buf;
-}
-
-/****************************************************************************
- Return the date and time as a string
-****************************************************************************/
+ struct timeval time_now_hires;
-char *timestring(BOOL hires)
-{
- static fstring TimeBuf;
- struct timeval tp;
- time_t t;
- struct tm *tm;
-
- if (hires) {
- GetTimeOfDay(&tp);
- t = (time_t)tp.tv_sec;
- } else {
- t = time(NULL);
- }
- tm = localtime(&t);
- if (!tm) {
- if (hires) {
- slprintf(TimeBuf,
- sizeof(TimeBuf)-1,
- "%ld.%06ld seconds since the Epoch",
- (long)tp.tv_sec,
- (long)tp.tv_usec);
- } else {
- slprintf(TimeBuf,
- sizeof(TimeBuf)-1,
- "%ld seconds since the Epoch",
- (long)t);
- }
+ GetTimeOfDay(&time_now_hires);
+ ret_time->tv_sec = time_now_hires.tv_sec - start_time_hires.tv_sec;
+ if (time_now_hires.tv_usec < start_time_hires.tv_usec) {
+ ret_time->tv_sec -= 1;
+ ret_time->tv_usec = 1000000 + (time_now_hires.tv_usec - start_time_hires.tv_usec);
} else {
-#ifdef HAVE_STRFTIME
- if (hires) {
- strftime(TimeBuf,sizeof(TimeBuf)-1,"%Y/%m/%d %H:%M:%S",tm);
- slprintf(TimeBuf+strlen(TimeBuf),
- sizeof(TimeBuf)-1 - strlen(TimeBuf),
- ".%06ld",
- (long)tp.tv_usec);
- } else {
- strftime(TimeBuf,sizeof(TimeBuf)-1,"%Y/%m/%d %H:%M:%S",tm);
- }
-#else
- if (hires) {
- slprintf(TimeBuf,
- sizeof(TimeBuf)-1,
- "%s.%06ld",
- asctime(tm),
- (long)tp.tv_usec);
- } else {
- fstrcpy(TimeBuf, asctime(tm));
- }
-#endif
+ ret_time->tv_usec = time_now_hires.tv_usec - start_time_hires.tv_usec;
}
- return(TimeBuf);
}
+/**
+ * @brief Get the startup time of the server.
+ *
+ * @param[out] ret_time A pointer to a timveal structure to set the startup
+ * time.
+ */
+void get_startup_time(struct timeval *ret_time)
+{
+ ret_time->tv_sec = start_time_hires.tv_sec;
+ ret_time->tv_usec = start_time_hires.tv_usec;
+}
+
+
/****************************************************************************
- Return the best approximation to a 'create time' under UNIX from a stat
- structure.
+ Convert a NTTIME structure to a time_t.
+ It's originally in "100ns units".
+
+ This is an absolute version of the one above.
+ By absolute I mean, it doesn't adjust from 1/1/1601 to 1/1/1970
+ if the NTTIME was 5 seconds, the time_t is 5 seconds. JFM
****************************************************************************/
-time_t get_create_time(SMB_STRUCT_STAT *st,BOOL fake_dirs)
+time_t nt_time_to_unix_abs(const NTTIME *nt)
{
- time_t ret, ret1;
+ uint64_t d;
- if(S_ISDIR(st->st_mode) && fake_dirs) {
- return (time_t)315493200L; /* 1/1/1980 */
+ if (*nt == 0) {
+ return (time_t)0;
}
-
- ret = MIN(st->st_ctime, st->st_mtime);
- ret1 = MIN(ret, st->st_atime);
- if(ret1 != (time_t)0) {
- return ret1;
+ if (*nt == (uint64_t)-1) {
+ return (time_t)-1;
}
- /*
- * One of ctime, mtime or atime was zero (probably atime).
- * Just return MIN(ctime, mtime).
- */
- return ret;
-}
-
-/****************************************************************************
- Initialise an NTTIME to -1, which means "unknown" or "don't expire".
-****************************************************************************/
+ if (*nt == NTTIME_INFINITY) {
+ return (time_t)-1;
+ }
-void init_nt_time(NTTIME *nt)
-{
- nt->high = 0x7FFFFFFF;
- nt->low = 0xFFFFFFFF;
-}
+ /* reverse the time */
+ /* it's a negative value, turn it to positive */
+ d=~*nt;
-/****************************************************************************
- Check if NTTIME is 0.
-****************************************************************************/
+ d += 1000*1000*10/2;
+ d /= 1000*1000*10;
-BOOL nt_time_is_zero(NTTIME *nt)
-{
- if(nt->high==0) {
- return True;
+ if (!(TIME_T_MIN <= ((time_t)d) && ((time_t)d) <= TIME_T_MAX)) {
+ return (time_t)0;
}
- return False;
-}
-
-/****************************************************************************
- Check if two NTTIMEs are the same.
-****************************************************************************/
-BOOL nt_time_equals(NTTIME *nt1, NTTIME *nt2)
-{
- return (nt1->high == nt2->high && nt1->low == nt2->low);
+ return (time_t)d;
}
/****************************************************************************
- Return a timeval difference in usec.
-****************************************************************************/
-
-SMB_BIG_INT usec_time_diff(const struct timeval *larget, const struct timeval *smallt)
-{
- SMB_BIG_INT sec_diff = larget->tv_sec - smallt->tv_sec;
- return (sec_diff * 1000000) + (SMB_BIG_INT)(larget->tv_usec - smallt->tv_usec);
-}
+ Convert a time_t to a NTTIME structure
-/****************************************************************************
- Return a timeval struct with the given elements.
+ This is an absolute version of the one above.
+ By absolute I mean, it doesn't adjust from 1/1/1970 to 1/1/1601
+ If the time_t was 5 seconds, the NTTIME is 5 seconds. JFM
****************************************************************************/
-struct timeval timeval_set(uint32_t secs, uint32_t usecs)
+void unix_to_nt_time_abs(NTTIME *nt, time_t t)
{
- struct timeval tv;
- tv.tv_sec = secs;
- tv.tv_usec = usecs;
- return tv;
-}
+ double d;
-/****************************************************************************
- Return a zero timeval.
-****************************************************************************/
+ if (t==0) {
+ *nt = 0;
+ return;
+ }
-struct timeval timeval_zero(void)
-{
- return timeval_set(0,0);
-}
+ if (t == TIME_T_MAX) {
+ *nt = 0x7fffffffffffffffLL;
+ return;
+ }
-/****************************************************************************
- Return True if a timeval is zero.
-****************************************************************************/
+ if (t == (time_t)-1) {
+ /* that's what NT uses for infinite */
+ *nt = NTTIME_INFINITY;
+ return;
+ }
-BOOL timeval_is_zero(const struct timeval *tv)
-{
- return tv->tv_sec == 0 && tv->tv_usec == 0;
-}
+ d = (double)(t);
+ d *= 1.0e7;
-/****************************************************************************
- Return a timeval for the current time.
-****************************************************************************/
+ *nt = (NTTIME)d;
-struct timeval timeval_current(void)
-{
- struct timeval tv;
- GetTimeOfDay(&tv);
- return tv;
+ /* convert to a negative value */
+ *nt=~*nt;
}
+
/****************************************************************************
- Return a timeval ofs microseconds after tv.
+ Utility function that always returns a const string even if localtime
+ and asctime fail.
****************************************************************************/
-struct timeval timeval_add(const struct timeval *tv,
- uint32_t secs, uint32_t usecs)
+const char *time_to_asc(const time_t t)
{
- struct timeval tv2 = *tv;
- tv2.tv_sec += secs;
- tv2.tv_usec += usecs;
- tv2.tv_sec += tv2.tv_usec / 1000000;
- tv2.tv_usec = tv2.tv_usec % 1000000;
- return tv2;
-}
+ const char *asct;
+ struct tm *lt = localtime(&t);
-/****************************************************************************
- Return the sum of two timeval structures.
-****************************************************************************/
+ if (!lt) {
+ return "unknown time";
+ }
-struct timeval timeval_sum(const struct timeval *tv1,
- const struct timeval *tv2)
-{
- return timeval_add(tv1, tv2->tv_sec, tv2->tv_usec);
+ asct = asctime(lt);
+ if (!asct) {
+ return "unknown time";
+ }
+ return asct;
}
-/****************************************************************************
- Return a timeval secs/usecs into the future.
-****************************************************************************/
-
-struct timeval timeval_current_ofs(uint32_t secs, uint32_t usecs)
+const char *display_time(NTTIME nttime)
{
- struct timeval tv = timeval_current();
- return timeval_add(&tv, secs, usecs);
-}
+ float high;
+ float low;
+ int sec;
+ int days, hours, mins, secs;
-/****************************************************************************
- Compare two timeval structures.
- Return -1 if tv1 < tv2
- Return 0 if tv1 == tv2
- Return 1 if tv1 > tv2
-****************************************************************************/
+ if (nttime==0)
+ return "Now";
-int timeval_compare(const struct timeval *tv1, const struct timeval *tv2)
-{
- if (tv1->tv_sec > tv2->tv_sec) {
- return 1;
- }
- if (tv1->tv_sec < tv2->tv_sec) {
- return -1;
- }
- if (tv1->tv_usec > tv2->tv_usec) {
- return 1;
- }
- if (tv1->tv_usec < tv2->tv_usec) {
- return -1;
- }
- return 0;
-}
+ if (nttime==NTTIME_INFINITY)
+ return "Never";
-/****************************************************************************
- Return the difference between two timevals as a timeval.
- If tv1 comes after tv2, then return a zero timeval
- (this is *tv2 - *tv1).
-****************************************************************************/
+ high = 65536;
+ high = high/10000;
+ high = high*65536;
+ high = high/1000;
+ high = high * (~(nttime >> 32));
-struct timeval timeval_until(const struct timeval *tv1,
- const struct timeval *tv2)
-{
- struct timeval t;
- if (timeval_compare(tv1, tv2) >= 0) {
- return timeval_zero();
- }
- t.tv_sec = tv2->tv_sec - tv1->tv_sec;
- if (tv1->tv_usec > tv2->tv_usec) {
- t.tv_sec--;
- t.tv_usec = 1000000 - (tv1->tv_usec - tv2->tv_usec);
- } else {
- t.tv_usec = tv2->tv_usec - tv1->tv_usec;
- }
- return t;
-}
+ low = ~(nttime & 0xFFFFFFFF);
+ low = low/(1000*1000*10);
-/****************************************************************************
- Return the lesser of two timevals.
-****************************************************************************/
+ sec=(int)(high+low);
-struct timeval timeval_min(const struct timeval *tv1,
- const struct timeval *tv2)
-{
- if (tv1->tv_sec < tv2->tv_sec) {
- return *tv1;
- }
- if (tv1->tv_sec > tv2->tv_sec) {
- return *tv2;
- }
- if (tv1->tv_usec < tv2->tv_usec) {
- return *tv1;
- }
- return *tv2;
-}
+ days=sec/(60*60*24);
+ hours=(sec - (days*60*60*24)) / (60*60);
+ mins=(sec - (days*60*60*24) - (hours*60*60) ) / 60;
+ secs=sec - (days*60*60*24) - (hours*60*60) - (mins*60);
-/****************************************************************************
- Return the greater of two timevals.
-****************************************************************************/
+ return talloc_asprintf(talloc_tos(), "%u days, %u hours, %u minutes, "
+ "%u seconds", days, hours, mins, secs);
+}
-struct timeval timeval_max(const struct timeval *tv1,
- const struct timeval *tv2)
+bool nt_time_is_set(const NTTIME *nt)
{
- if (tv1->tv_sec > tv2->tv_sec) {
- return *tv1;
- }
- if (tv1->tv_sec < tv2->tv_sec) {
- return *tv2;
+ if (*nt == 0x7FFFFFFFFFFFFFFFLL) {
+ return false;
}
- if (tv1->tv_usec > tv2->tv_usec) {
- return *tv1;
- }
- return *tv2;
-}
-
-/****************************************************************************
- Convert ASN.1 GeneralizedTime string to unix-time.
- Returns 0 on failure; Currently ignores timezone.
-****************************************************************************/
-time_t generalized_to_unix_time(const char *str)
-{
- struct tm tm;
-
- ZERO_STRUCT(tm);
-
- if (sscanf(str, "%4d%2d%2d%2d%2d%2d",
- &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
- &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) {
- return 0;
+ if (*nt == NTTIME_INFINITY) {
+ return false;
}
- tm.tm_year -= 1900;
- tm.tm_mon -= 1;
- return timegm(&tm);
+ return true;
}