2 Samba Unix/Linux SMB client library
4 Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include "utils/net.h"
21 #include "libsmb/nmblib.h"
22 #include "libsmb/namequery.h"
23 #include "libsmb/libsmb.h"
24 #include "../libcli/smb/smbXcli_base.h"
27 return the time on a server. This does not require any authentication
29 static time_t cli_servertime(const char *host
,
30 const struct sockaddr_storage
*dest_ss
,
34 struct cli_state
*cli
= NULL
;
37 status
= cli_connect_nb(host
, dest_ss
, 0, 0x20, lp_netbios_name(),
38 SMB_SIGNING_DEFAULT
, 0, &cli
);
39 if (!NT_STATUS_IS_OK(status
)) {
40 if (NT_STATUS_EQUAL(status
, NT_STATUS_NOT_SUPPORTED
)) {
41 fprintf(stderr
, "Can't contact server %s. NetBIOS support disabled,"
42 " Error %s\n", host
, nt_errstr(status
));
44 fprintf(stderr
, "Can't contact server %s. Error %s\n",
45 host
, nt_errstr(status
));
50 status
= smbXcli_negprot(cli
->conn
, cli
->timeout
,
51 lp_client_min_protocol(),
52 lp_client_max_protocol());
53 if (!NT_STATUS_IS_OK(status
)) {
54 fprintf(stderr
, _("Protocol negotiation failed: %s\n"),
59 ret
= cli_state_server_time(cli
);
60 if (zone
) *zone
= smb1cli_conn_server_time_zone(cli
->conn
);
69 /* find the servers time on the opt_host host */
70 static time_t nettime(struct net_context
*c
, int *zone
)
72 return cli_servertime(c
->opt_host
,
73 c
->opt_have_ip
? &c
->opt_dest_ip
: NULL
, zone
);
76 /* return a time as a string ready to be passed to /bin/date */
77 static const char *systime(time_t t
)
86 return talloc_asprintf(talloc_tos(), "%02d%02d%02d%02d%04d.%02d",
87 tm
->tm_mon
+1, tm
->tm_mday
, tm
->tm_hour
,
88 tm
->tm_min
, tm
->tm_year
+ 1900, tm
->tm_sec
);
91 int net_time_usage(struct net_context
*c
, int argc
, const char **argv
)
94 "net time\n\tdisplays time on a server (-S server)\n\n"
95 "net time system\n\tdisplays time on a server (-S server) in a format ready for /bin/date\n\n"
96 "net time set\n\truns /bin/date with the time from the server (-S server)\n\n"
97 "net time zone\n\tdisplays the timezone in hours from GMT on the remote server (-S server)\n\n"
99 net_common_flags_usage(c
, argc
, argv
);
103 /* try to set the system clock */
104 static int net_time_set(struct net_context
*c
, int argc
, const char **argv
)
109 if (c
->display_usage
|| c
->opt_host
== NULL
) {
114 _("Set local time to that of remote time "
115 "server (-S server) "));
119 tv
.tv_sec
= nettime(c
, NULL
);
122 if (tv
.tv_sec
== 0) return -1;
124 result
= settimeofday(&tv
,NULL
);
127 d_fprintf(stderr
, _("setting system clock failed. Error was (%s)\n"),
133 /* display the time on a remote box in a format ready for /bin/date */
134 static int net_time_system(struct net_context
*c
, int argc
, const char **argv
)
138 if (c
->display_usage
|| c
->opt_host
== NULL
) {
143 _("Output remote time server (-S server) "
144 "time in a format ready for /bin/date"));
148 t
= nettime(c
, NULL
);
149 if (t
== 0) return -1;
151 printf("%s\n", systime(t
));
156 /* display the remote time server's offset to UTC */
157 static int net_time_zone(struct net_context
*c
, int argc
, const char **argv
)
164 if (c
->display_usage
|| c
->opt_host
== NULL
) {
169 _("Display the remote time server's (-S server) "
174 t
= nettime(c
, &zone
);
176 if (t
== 0) return -1;
178 zsign
= (zone
> 0) ? '-' : '+';
179 if (zone
< 0) zone
= -zone
;
185 printf("%c%02d%02d\n", zsign
, hours
, mins
);
190 /* display or set the time on a host */
191 int net_time(struct net_context
*c
, int argc
, const char **argv
)
194 struct functable func
[] = {
199 N_("Display time ready for /bin/date"),
200 N_("net time system\n"
201 " Display time ready for /bin/date")
207 N_("Set the system time from time server"),
209 " Set the system time from time server")
215 N_("Display timezone offset from UTC"),
217 " Display timezone offset from UTC")
219 {NULL
, NULL
, 0, NULL
, NULL
}
223 return net_run_function(c
, argc
, argv
, "net time", func
);
226 if (c
->display_usage
) {
231 _("Display the remote time server's time"));
232 net_display_usage_from_functable(func
);
236 if (c
->opt_host
== NULL
&& !c
->opt_have_ip
) {
239 ok
= find_master_ip(c
->opt_target_workgroup
, &c
->opt_dest_ip
);
242 _("Could not locate a time server. "
243 "Try specifying a target host.\n"));
244 net_time_usage(c
, argc
, argv
);
247 c
->opt_have_ip
= true;
250 /* default - print the time */
251 t
= cli_servertime(c
->opt_host
,
252 c
->opt_have_ip
? &c
->opt_dest_ip
: NULL
,
254 if (t
== 0) return -1;
256 d_printf("%s", ctime(&t
));