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/*
* libstatgrab
* https://libstatgrab.org
* Copyright (C) 2003-2004 Peter Saunders
* Copyright (C) 2003-2019 Tim Bishop
* Copyright (C) 2003-2013 Adam Sampson
* Copyright (C) 2012-2019 Jens Rehsack
*
* 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 (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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <stdio.h>
#include <statgrab.h>
#include <stdlib.h>
#include <unistd.h>
#include "helpers.h"
#ifdef HAVE_LOG4CPLUS_INITIALIZE
static void *l4cplus_initializer;
static void
cleanup_logging(void)
{
log4cplus_deinitialize(l4cplus_initializer);
}
#endif
int main(int argc, char **argv){
size_t nusers, x;
sg_user_stats *users;
#ifdef HAVE_LOG4CPLUS_INITIALIZE
l4cplus_initializer = log4cplus_initialize();
atexit((void (*)(void))cleanup_logging);
#endif
#if 0
int c;
int delay = 1;
while ((c = getopt(argc, argv, "d:")) != -1){
switch (c){
case 'd':
delay = atoi(optarg);
break;
}
}
#endif
/* Initialise helper - e.g. logging, if any */
sg_log_init("libstatgrab-examples", "SGEXAMPLES_LOG_PROPERTIES", argc ? argv[0] : NULL);
/* Initialise statgrab */
sg_init(1);
/* Drop setuid/setgid privileges. */
if (sg_drop_privileges() != SG_ERROR_NONE)
sg_die("Error. Failed to drop privileges", 1);
users = sg_get_user_stats(&nusers);
if( users == NULL )
sg_die("Failed to get logged on users", 1);
printf( "%16s %16s %24s %8s %24s\n", "login name", "device", "hostname", "pid", "login time" );
for( x = 0; x < nusers; ++x ) {
char ltbuf[256];
struct tm *tm;
tm = localtime(&users[x].login_time);
strftime(ltbuf, sizeof(ltbuf), "%c", tm);
printf( "%16s %16s %24s %8d %24s\n", users[x].login_name, users[x].device, users[x].hostname, (int) users[x].pid, ltbuf );
}
exit(0);
}
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