164 lines
3.7 KiB
C
164 lines
3.7 KiB
C
/*
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nwfstime.c - get/set a file server's time
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Copyright (C) 1996 by Volker Lendecke
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Revision history:
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0.00 1996 Volker Lendecke
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Initial revision.
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0.01 1999 Frank A. Vorstenbosch <frank@falstaff.demon.co.uk>
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Update local time from NetWare server.
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0.02 2000, April 23th Frank A. Vorstenbosch <frank@falstaff.demon.co.uk>
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Wait for second to roll over for more accurate time.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <ncp/ncplib.h>
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#include "private/libintl.h"
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#define _(X) gettext(X)
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static char *progname;
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static void
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usage(void)
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{
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fprintf(stderr, _("usage: %s [pattern]\n"), progname);
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}
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static void
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help(void)
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{
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printf(_("\n"
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"usage: %s [options]\n"), progname);
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printf(_("\n"
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"-h Print this help text\n"
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"-S server Server name to be used\n"
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"-U username Username sent to server\n"
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"-P password Use this password\n"
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"-n Do not use any password\n"
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"-C Don't convert password to uppercase\n"
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"\n"
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"-a Be more accurate about reading the time\n"
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"-g Update local time from file server\n"
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"-s Set file server's time from local time\n"
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"\n"));
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}
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int
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main(int argc, char **argv)
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{
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struct ncp_conn *conn;
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int opt;
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long err;
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int set = 0, get = 0, accurate = 0;
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time_t t;
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struct timeval timeval;
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setlocale(LC_ALL, "");
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bindtextdomain(NCPFS_PACKAGE, LOCALEDIR);
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textdomain(NCPFS_PACKAGE);
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progname = argv[0];
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if ((conn = ncp_initialize(&argc, argv, 1, &err)) == NULL)
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{
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com_err(argv[0], err, _("when initializing"));
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return 1;
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}
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while ((opt = getopt(argc, argv, "h?sga")) != EOF)
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{
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switch (opt)
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{
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case 'h':
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case '?':
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help();
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break;
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case 's':
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set = 1;
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break;
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case 'g':
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get = 1;
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break;
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case 'a':
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accurate = 1;
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break;
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default:
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usage();
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goto finished;
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}
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}
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finished:
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if (set != 0)
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{
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time(&t);
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if ((err = ncp_set_file_server_time(conn, &t)) != 0)
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{
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com_err(argv[0], err, _("when setting file server time"));
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ncp_close(conn);
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return 1;
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}
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} else
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{ int offset;
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time_t last;
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if ((err = ncp_get_file_server_time(conn, &t)) != 0)
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{
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get_error: com_err(argv[0], err, _("when getting file server time"));
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ncp_close(conn);
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return 1;
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}
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if(accurate)
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{
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do
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{ if ((err = ncp_get_file_server_time(conn, &last)) != 0)
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goto get_error;
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} while(last==t);
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t=last;
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offset=0; /* we can read the time 1000s of times a second */
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}
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else
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offset=500; /* if no accurate measure, then assume offset of 500ms */
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if(get)
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{ timeval.tv_sec = t;
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timeval.tv_usec = offset*1000;
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settimeofday(&timeval, NULL);
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}
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{
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char text_server_time[200];
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struct tm* tm;
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tm = localtime(&t);
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strftime(text_server_time, sizeof(text_server_time), "%c", tm);
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printf("%s\n", text_server_time);
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}
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}
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ncp_close(conn);
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return 0;
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}
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