Add STREAMINFO op to vfs_full_audit
[Samba.git] / source / utils / net_time.c
blob7375206af63920c54789d1c40cb6d5ca040894a8
1 /*
2 Samba Unix/Linux SMB client library
3 net time command
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/>. */
19 #include "includes.h"
20 #include "utils/net.h"
24 return the time on a server. This does not require any authentication
26 static time_t cli_servertime(const char *host, struct sockaddr_storage *pss, int *zone)
28 struct nmb_name calling, called;
29 time_t ret = 0;
30 struct cli_state *cli = NULL;
31 NTSTATUS status;
33 cli = cli_initialise();
34 if (!cli) {
35 goto done;
38 status = cli_connect(cli, host, pss);
39 if (!NT_STATUS_IS_OK(status)) {
40 fprintf(stderr,"Can't contact server %s. Error %s\n", host, nt_errstr(status));
41 goto done;
44 make_nmb_name(&calling, global_myname(), 0x0);
45 if (host) {
46 make_nmb_name(&called, host, 0x20);
47 } else {
48 make_nmb_name(&called, "*SMBSERVER", 0x20);
51 if (!cli_session_request(cli, &calling, &called)) {
52 fprintf(stderr,"Session request failed\n");
53 goto done;
55 if (!cli_negprot(cli)) {
56 fprintf(stderr,"Protocol negotiation failed\n");
57 goto done;
60 ret = cli->servertime;
61 if (zone) *zone = cli->serverzone;
63 done:
64 if (cli) {
65 cli_shutdown(cli);
67 return ret;
70 /* find the servers time on the opt_host host */
71 static time_t nettime(int *zone)
73 return cli_servertime(opt_host, opt_have_ip? &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)
79 static fstring s;
80 struct tm *tm;
82 tm = localtime(&t);
83 if (!tm) {
84 return "unknown";
87 fstr_sprintf(s, "%02d%02d%02d%02d%04d.%02d",
88 tm->tm_mon+1, tm->tm_mday, tm->tm_hour,
89 tm->tm_min, tm->tm_year + 1900, tm->tm_sec);
90 return s;
93 int net_time_usage(int argc, const char **argv)
95 d_printf(
96 "net time\n\tdisplays time on a server\n\n"\
97 "net time system\n\tdisplays time on a server in a format ready for /bin/date\n\n"\
98 "net time set\n\truns /bin/date with the time from the server\n\n"\
99 "net time zone\n\tdisplays the timezone in hours from GMT on the remote computer\n\n"\
100 "\n");
101 net_common_flags_usage(argc, argv);
102 return -1;
105 /* try to set the system clock using /bin/date */
106 static int net_time_set(int argc, const char **argv)
108 time_t t = nettime(NULL);
109 char *cmd;
110 int result;
112 if (t == 0) return -1;
114 /* yes, I know this is cheesy. Use "net time system" if you want to
115 roll your own. I'm putting this in as it works on a large number
116 of systems and the user has a choice in whether its used or not */
117 asprintf(&cmd, "/bin/date %s", systime(t));
118 result = system(cmd);
119 if (result)
120 d_fprintf(stderr, "%s failed. Error was (%s)\n",
121 cmd, strerror(errno));
122 free(cmd);
124 return result;
127 /* display the time on a remote box in a format ready for /bin/date */
128 static int net_time_system(int argc, const char **argv)
130 time_t t = nettime(NULL);
132 if (t == 0) return -1;
134 printf("%s\n", systime(t));
136 return 0;
139 /* display the time on a remote box in a format ready for /bin/date */
140 static int net_time_zone(int argc, const char **argv)
142 int zone = 0;
143 int hours, mins;
144 char zsign;
145 time_t t;
147 t = nettime(&zone);
149 if (t == 0) return -1;
151 zsign = (zone > 0) ? '-' : '+';
152 if (zone < 0) zone = -zone;
154 zone /= 60;
155 hours = zone / 60;
156 mins = zone % 60;
158 printf("%c%02d%02d\n", zsign, hours, mins);
160 return 0;
163 /* display or set the time on a host */
164 int net_time(int argc, const char **argv)
166 time_t t;
167 struct functable func[] = {
168 {"SYSTEM", net_time_system},
169 {"SET", net_time_set},
170 {"ZONE", net_time_zone},
171 {NULL, NULL}
174 if (!opt_host && !opt_have_ip &&
175 !find_master_ip(opt_target_workgroup, &opt_dest_ip)) {
176 d_fprintf(stderr, "Could not locate a time server. Try "\
177 "specifying a target host.\n");
178 net_time_usage(argc,argv);
179 return -1;
182 if (argc != 0) {
183 return net_run_function(argc, argv, func, net_time_usage);
186 /* default - print the time */
187 t = cli_servertime(opt_host, opt_have_ip? &opt_dest_ip : NULL, NULL);
188 if (t == 0) return -1;
190 d_printf("%s", ctime(&t));
191 return 0;