102d09e03SGordon Ross /*
202d09e03SGordon Ross * Copyright (c) 2000-2001, Boris Popov
302d09e03SGordon Ross * All rights reserved.
402d09e03SGordon Ross *
502d09e03SGordon Ross * Redistribution and use in source and binary forms, with or without
602d09e03SGordon Ross * modification, are permitted provided that the following conditions
702d09e03SGordon Ross * are met:
802d09e03SGordon Ross * 1. Redistributions of source code must retain the above copyright
902d09e03SGordon Ross * notice, this list of conditions and the following disclaimer.
1002d09e03SGordon Ross * 2. Redistributions in binary form must reproduce the above copyright
1102d09e03SGordon Ross * notice, this list of conditions and the following disclaimer in the
1202d09e03SGordon Ross * documentation and/or other materials provided with the distribution.
1302d09e03SGordon Ross * 3. All advertising materials mentioning features or use of this software
1402d09e03SGordon Ross * must display the following acknowledgement:
1502d09e03SGordon Ross * This product includes software developed by Boris Popov.
1602d09e03SGordon Ross * 4. Neither the name of the author nor the names of any co-contributors
1702d09e03SGordon Ross * may be used to endorse or promote products derived from this software
1802d09e03SGordon Ross * without specific prior written permission.
1902d09e03SGordon Ross *
2002d09e03SGordon Ross * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
2102d09e03SGordon Ross * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2202d09e03SGordon Ross * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2302d09e03SGordon Ross * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
2402d09e03SGordon Ross * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2502d09e03SGordon Ross * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2602d09e03SGordon Ross * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2702d09e03SGordon Ross * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2802d09e03SGordon Ross * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2902d09e03SGordon Ross * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3002d09e03SGordon Ross * SUCH DAMAGE.
3102d09e03SGordon Ross *
3202d09e03SGordon Ross * $Id: smbfs_subr.c,v 1.18 2005/02/02 00:22:23 lindak Exp $
3302d09e03SGordon Ross */
3402d09e03SGordon Ross
3502d09e03SGordon Ross /*
3602d09e03SGordon Ross * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
3702d09e03SGordon Ross * Use is subject to license terms.
38*adee6784SGordon Ross *
39*adee6784SGordon Ross * Copyright 2018 Nexenta Systems, Inc. All rights reserved.
4002d09e03SGordon Ross */
4102d09e03SGordon Ross
4202d09e03SGordon Ross /*
4302d09e03SGordon Ross * Time conversion functions (to/from DOS, NT times)
4402d09e03SGordon Ross * From BSD/Darwin smbfs_subr.c
4502d09e03SGordon Ross */
4602d09e03SGordon Ross
4702d09e03SGordon Ross #include <sys/param.h>
4802d09e03SGordon Ross #include <sys/systm.h>
4902d09e03SGordon Ross #include <sys/time.h>
5002d09e03SGordon Ross #include <sys/vnode.h>
5102d09e03SGordon Ross #include <sys/sunddi.h>
5202d09e03SGordon Ross
5302d09e03SGordon Ross #include <netsmb/smb_osdep.h>
5402d09e03SGordon Ross
5502d09e03SGordon Ross #include <netsmb/smb.h>
5602d09e03SGordon Ross #include <netsmb/smb_conn.h>
5702d09e03SGordon Ross #include <netsmb/smb_subr.h>
5802d09e03SGordon Ross
5902d09e03SGordon Ross /*
6002d09e03SGordon Ross * Number of seconds between 1970 and 1601 year
6102d09e03SGordon Ross * (134774 days)
6202d09e03SGordon Ross */
6302d09e03SGordon Ross const uint64_t DIFF1970TO1601 = 11644473600ULL;
6402d09e03SGordon Ross const uint32_t TEN_MIL = 10000000UL;
6502d09e03SGordon Ross
6602d09e03SGordon Ross /*
6702d09e03SGordon Ross * Convert NT time (tenths of microseconds since 1601)
6802d09e03SGordon Ross * to Unix seconds+nanoseconds since 1970. Any time
6902d09e03SGordon Ross * earlier than 1970 is converted to Unix time zero.
7002d09e03SGordon Ross * Both are GMT-based (no time zone adjustments).
7102d09e03SGordon Ross */
7202d09e03SGordon Ross void
smb_time_NT2local(uint64_t nt_time,struct timespec * tsp)7302d09e03SGordon Ross smb_time_NT2local(uint64_t nt_time, struct timespec *tsp)
7402d09e03SGordon Ross {
7502d09e03SGordon Ross uint64_t nt_sec; /* seconds */
7602d09e03SGordon Ross uint64_t nt_tus; /* tenths of uSec. */
7702d09e03SGordon Ross
7802d09e03SGordon Ross /* Optimize time zero. */
7902d09e03SGordon Ross if (nt_time == 0) {
8002d09e03SGordon Ross tsp->tv_sec = 0;
8102d09e03SGordon Ross tsp->tv_nsec = 0;
8202d09e03SGordon Ross return;
8302d09e03SGordon Ross }
8402d09e03SGordon Ross
8502d09e03SGordon Ross nt_sec = nt_time / TEN_MIL;
8602d09e03SGordon Ross nt_tus = nt_time % TEN_MIL;
8702d09e03SGordon Ross
8802d09e03SGordon Ross if (nt_sec <= DIFF1970TO1601) {
8902d09e03SGordon Ross tsp->tv_sec = 0;
9002d09e03SGordon Ross tsp->tv_nsec = 0;
9102d09e03SGordon Ross return;
9202d09e03SGordon Ross }
9302d09e03SGordon Ross tsp->tv_sec = nt_sec - DIFF1970TO1601;
9402d09e03SGordon Ross tsp->tv_nsec = nt_tus * 100;
9502d09e03SGordon Ross }
9602d09e03SGordon Ross
9702d09e03SGordon Ross /*
9802d09e03SGordon Ross * Convert Unix time (seconds+nanoseconds since 1970)
9902d09e03SGordon Ross * to NT time (tenths of microseconds since 1601).
10002d09e03SGordon Ross * Exception: Convert time zero (really any time in
10102d09e03SGordon Ross * the first second of 1970) to NT time zero.
10202d09e03SGordon Ross * Both are GMT-based (no time zone adjustments).
10302d09e03SGordon Ross */
10402d09e03SGordon Ross void
smb_time_local2NT(struct timespec * tsp,uint64_t * nt_time)10502d09e03SGordon Ross smb_time_local2NT(struct timespec *tsp, uint64_t *nt_time)
10602d09e03SGordon Ross {
10702d09e03SGordon Ross uint64_t nt_sec; /* seconds */
10802d09e03SGordon Ross uint64_t nt_tus; /* tenths of uSec. */
10902d09e03SGordon Ross
11002d09e03SGordon Ross if (tsp->tv_sec == 0) {
11102d09e03SGordon Ross *nt_time = 0;
11202d09e03SGordon Ross return;
11302d09e03SGordon Ross }
11402d09e03SGordon Ross
11502d09e03SGordon Ross nt_sec = tsp->tv_sec + DIFF1970TO1601;
11602d09e03SGordon Ross nt_tus = tsp->tv_nsec / 100;
11702d09e03SGordon Ross
11802d09e03SGordon Ross *nt_time = (uint64_t)nt_sec * TEN_MIL + nt_tus;
11902d09e03SGordon Ross }
12002d09e03SGordon Ross
12102d09e03SGordon Ross /*
12202d09e03SGordon Ross * Time zone conversion stuff, only used in old dialects.
12302d09e03SGordon Ross * Don't adjust time zero for either conversion.
12402d09e03SGordon Ross */
12502d09e03SGordon Ross void
smb_time_local2server(struct timespec * tsp,int tzoff,long * seconds)12602d09e03SGordon Ross smb_time_local2server(struct timespec *tsp, int tzoff, long *seconds)
12702d09e03SGordon Ross {
12802d09e03SGordon Ross if (tsp->tv_sec <= (tzoff * 60))
12902d09e03SGordon Ross *seconds = 0;
13002d09e03SGordon Ross else
13102d09e03SGordon Ross *seconds = tsp->tv_sec - (tzoff * 60);
13202d09e03SGordon Ross }
13302d09e03SGordon Ross
13402d09e03SGordon Ross void
smb_time_server2local(ulong_t seconds,int tzoff,struct timespec * tsp)13502d09e03SGordon Ross smb_time_server2local(ulong_t seconds, int tzoff, struct timespec *tsp)
13602d09e03SGordon Ross {
13702d09e03SGordon Ross if (seconds == 0)
13802d09e03SGordon Ross tsp->tv_sec = 0;
13902d09e03SGordon Ross else
14002d09e03SGordon Ross tsp->tv_sec = seconds + tzoff * 60;
14102d09e03SGordon Ross tsp->tv_nsec = 0;
14202d09e03SGordon Ross }
143