diff --git a/plugins/check_time.c b/plugins/check_time.c
index 86c414e2c413853210e7670121f13fb183df4fb4..3dcc662cb579d30df5640f4940f48e255735c8a9 100644 (file)
--- a/plugins/check_time.c
+++ b/plugins/check_time.c
-/******************************************************************************
-*
-* CHECK_TIME.C
-*
-* Program: Network time server plugin for Nagios
+/*****************************************************************************
+*
+* Nagios check_time plugin
+*
* License: GPL
-* Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)
-* Copyright (c) 2000 Karl DeBisschop (kdebisschop@users.sourceforge.net)
-*
-* $Id$
-*
+* Copyright (c) 1999-2007 Nagios Plugins Development Team
+*
* Description:
-*
-* This plugin will attempt to connect to the specified port
-* on the host. Successul connects return STATE_OK, refusals
-* and timeouts return STATE_CRITICAL, other errors return
-* STATE_UNKNOWN.
-*
-* License Information:
-*
-* This program is free software; you can redistribute it and/or modify
+*
+* This file contains the check_time plugin
+*
+* This plugin will check the time difference with the specified host.
+*
+*
+* 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
+* the Free Software Foundation, either version 3 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-*
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*
+*
*****************************************************************************/
-#include "config.h"
+const char *progname = "check_time";
+const char *copyright = "1999-2007";
+const char *email = "nagiosplug-devel@lists.sourceforge.net";
+
#include "common.h"
#include "netutils.h"
#include "utils.h"
-#define PROGNAME "check_time"
+enum {
+ TIME_PORT = 37
+};
-#define TIME_PORT 37
-#define UNIX_EPOCH 2208988800UL
+#define UNIX_EPOCH 2208988800UL
-unsigned long server_time, raw_server_time;
-time_t diff_time;
+uint32_t raw_server_time;
+unsigned long server_time, diff_time;
int warning_time = 0;
int check_warning_time = FALSE;
int critical_time = 0;
int check_critical_diff = FALSE;
int server_port = TIME_PORT;
char *server_address = NULL;
-
+int use_udp = FALSE;
int process_arguments (int, char **);
-int call_getopt (int, char **);
-void print_usage (void);
void print_help (void);
-
+void print_usage (void);
int
main (int argc, char **argv)
{
int sd;
- int result;
+ int result = STATE_UNKNOWN;
+ time_t conntime;
+
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
- if (process_arguments (argc, argv) != OK)
- usage ("Invalid command arguments supplied\n");
+ /* Parse extra opts if any */
+ argv=np_extra_opts (&argc, argv, progname);
+
+ if (process_arguments (argc, argv) == ERROR)
+ usage4 (_("Could not parse arguments"));
/* initialize alarm signal handling */
signal (SIGALRM, socket_timeout_alarm_handler);
time (&start_time);
/* try to connect to the host at the given port number */
- if (my_tcp_connect (server_address, server_port, &sd) != STATE_OK) {
+ if (use_udp) {
+ result = my_udp_connect (server_address, server_port, &sd);
+ } else {
+ result = my_tcp_connect (server_address, server_port, &sd);
+ }
+
+ if (result != STATE_OK) {
if (check_critical_time == TRUE)
result = STATE_CRITICAL;
else if (check_warning_time == TRUE)
result = STATE_WARNING;
else
result = STATE_UNKNOWN;
- terminate (result,
- "TIME UNKNOWN - could not connect to server %s, port %d\n",
- server_address, server_port);
+ die (result,
+ _("TIME UNKNOWN - could not connect to server %s, port %d\n"),
+ server_address, server_port);
+ }
+
+ if (use_udp) {
+ if (send (sd, "", 0, 0) < 0) {
+ if (check_critical_time == TRUE)
+ result = STATE_CRITICAL;
+ else if (check_warning_time == TRUE)
+ result = STATE_WARNING;
+ else
+ result = STATE_UNKNOWN;
+ die (result,
+ _("TIME UNKNOWN - could not send UDP request to server %s, port %d\n"),
+ server_address, server_port);
+ }
}
- /* watch for the FTP connection string */
- result = recv (sd, &raw_server_time, sizeof (raw_server_time), 0);
+ /* watch for the connection string */
+ result = recv (sd, (void *)&raw_server_time, sizeof (raw_server_time), 0);
/* close the connection */
close (sd);
result = STATE_WARNING;
else
result = STATE_UNKNOWN;
- terminate (result,
- "TIME UNKNOWN - no data on recv() from server %s, port %d\n",
+ die (result,
+ _("TIME UNKNOWN - no data received from server %s, port %d\n"),
server_address, server_port);
}
result = STATE_OK;
- if (check_critical_time == TRUE && (end_time - start_time) > critical_time)
+ conntime = (end_time - start_time);
+ if (check_critical_time == TRUE && conntime > critical_time)
result = STATE_CRITICAL;
- else if (check_warning_time == TRUE
- && (end_time - start_time) > warning_time) result = STATE_WARNING;
+ else if (check_warning_time == TRUE && conntime > warning_time)
+ result = STATE_WARNING;
if (result != STATE_OK)
- terminate (result, "TIME %s - %d second response time\n",
- state_text (result), (int) (end_time - start_time));
+ die (result, _("TIME %s - %d second response time|%s\n"),
+ state_text (result), (int)conntime,
+ perfdata ("time", (long)conntime, "s",
+ check_warning_time, (long)warning_time,
+ check_critical_time, (long)critical_time,
+ TRUE, 0, FALSE, 0));
server_time = ntohl (raw_server_time) - UNIX_EPOCH;
- if (server_time > end_time)
- diff_time = server_time - end_time;
+ if (server_time > (unsigned long)end_time)
+ diff_time = server_time - (unsigned long)end_time;
else
- diff_time = end_time - server_time;
+ diff_time = (unsigned long)end_time - server_time;
if (check_critical_diff == TRUE && diff_time > critical_diff)
result = STATE_CRITICAL;
else if (check_warning_diff == TRUE && diff_time > warning_diff)
result = STATE_WARNING;
- printf ("TIME %s - %lu second time difference\n", state_text (result),
- diff_time);
+ printf (_("TIME %s - %lu second time difference|%s %s\n"),
+ state_text (result), diff_time,
+ perfdata ("time", (long)conntime, "s",
+ check_warning_time, (long)warning_time,
+ check_critical_time, (long)critical_time,
+ TRUE, 0, FALSE, 0),
+ perfdata ("offset", diff_time, "s",
+ check_warning_diff, warning_diff,
+ check_critical_diff, critical_diff,
+ TRUE, 0, FALSE, 0));
return result;
}
-
-
-
/* process command-line arguments */
int
process_arguments (int argc, char **argv)
{
int c;
+ int option = 0;
+ static struct option longopts[] = {
+ {"hostname", required_argument, 0, 'H'},
+ {"warning-variance", required_argument, 0, 'w'},
+ {"critical-variance", required_argument, 0, 'c'},
+ {"warning-connect", required_argument, 0, 'W'},
+ {"critical-connect", required_argument, 0, 'C'},
+ {"port", required_argument, 0, 'p'},
+ {"udp", no_argument, 0, 'u'},
+ {"timeout", required_argument, 0, 't'},
+ {"version", no_argument, 0, 'V'},
+ {"help", no_argument, 0, 'h'},
+ {0, 0, 0, 0}
+ };
+
if (argc < 2)
usage ("\n");
strcpy (argv[c], "-C");
}
- c = 0;
- while ((c += call_getopt (argc - c, &argv[c])) < argc) {
-
- if (is_option (argv[c]))
- continue;
-
- if (server_address == NULL) {
- if (argc > c) {
- if (is_host (argv[c]) == FALSE)
- usage ("Invalid host name/address\n");
- server_address = argv[c];
- }
- else {
- usage ("Host name was not supplied\n");
- }
- }
- }
-
- return OK;
-}
-
-
-
-
-
-int
-call_getopt (int argc, char **argv)
-{
- int c, i = 0;
-
-#ifdef HAVE_GETOPT_H
- int option_index = 0;
- static struct option long_options[] = {
- {"hostname", required_argument, 0, 'H'},
- {"warning-variance", required_argument, 0, 'w'},
- {"critical-variance", required_argument, 0, 'c'},
- {"warning-connect", required_argument, 0, 'W'},
- {"critical-connect", required_argument, 0, 'C'},
- {"port", required_argument, 0, 'p'},
- {"timeout", required_argument, 0, 't'},
- {"version", no_argument, 0, 'V'},
- {"help", no_argument, 0, 'h'},
- {0, 0, 0, 0}
- };
-#endif
-
while (1) {
-#ifdef HAVE_GETOPT_H
- c =
- getopt_long (argc, argv, "+hVH:w:c:W:C:p:t:", long_options,
- &option_index);
-#else
- c = getopt (argc, argv, "+hVH:w:c:W:C:p:t:");
-#endif
+ c = getopt_long (argc, argv, "hVH:w:c:W:C:p:t:u", longopts,
+ &option);
- i++;
-
- if (c == -1 || c == EOF || c == 1)
+ if (c == -1 || c == EOF)
break;
- switch (c) {
- case 'H':
- case 'w':
- case 'c':
- case 'W':
- case 'C':
- case 'p':
- case 't':
- i++;
- }
-
switch (c) {
case '?': /* print short usage statement if args not parsable */
- printf ("%s: Unknown argument: %s\n\n", my_basename (argv[0]), optarg);
- print_usage ();
- exit (STATE_UNKNOWN);
+ usage5 ();
case 'h': /* help */
print_help ();
exit (STATE_OK);
case 'V': /* version */
- print_revision (my_basename (argv[0]), "$Revision$");
+ print_revision (progname, NP_VERSION);
exit (STATE_OK);
case 'H': /* hostname */
if (is_host (optarg) == FALSE)
- usage ("Invalid host name/address\n");
+ usage2 (_("Invalid hostname/address"), optarg);
server_address = optarg;
break;
case 'w': /* warning-variance */
check_warning_time = TRUE;
}
else {
- usage ("Warning thresholds must be a nonnegative integer\n");
+ usage4 (_("Warning thresholds must be a positive integer"));
}
}
else {
- usage ("Warning threshold must be a nonnegative integer\n");
+ usage4 (_("Warning threshold must be a positive integer"));
}
break;
case 'c': /* critical-variance */
check_critical_time = TRUE;
}
else {
- usage ("Critical thresholds must be a nonnegative integer\n");
+ usage4 (_("Critical thresholds must be a positive integer"));
}
}
else {
- usage ("Critical threshold must be a nonnegative integer\n");
+ usage4 (_("Critical threshold must be a positive integer"));
}
break;
case 'W': /* warning-connect */
if (!is_intnonneg (optarg))
- usage ("Warning threshold must be a nonnegative integer\n");
- warning_time = atoi (optarg);
+ usage4 (_("Warning threshold must be a positive integer"));
+ else
+ warning_time = atoi (optarg);
check_warning_time = TRUE;
break;
case 'C': /* critical-connect */
if (!is_intnonneg (optarg))
- usage ("Critical threshold must be a nonnegative integer\n");
- critical_time = atoi (optarg);
+ usage4 (_("Critical threshold must be a positive integer"));
+ else
+ critical_time = atoi (optarg);
check_critical_time = TRUE;
break;
case 'p': /* port */
if (!is_intnonneg (optarg))
- usage ("Serevr port must be a nonnegative integer\n");
- server_port = atoi (optarg);
+ usage4 (_("Port must be a positive integer"));
+ else
+ server_port = atoi (optarg);
break;
case 't': /* timeout */
if (!is_intnonneg (optarg))
- usage ("Timeout interval must be a nonnegative integer\n");
- socket_timeout = atoi (optarg);
+ usage2 (_("Timeout interval must be a positive integer"), optarg);
+ else
+ socket_timeout = atoi (optarg);
break;
+ case 'u': /* udp */
+ use_udp = TRUE;
}
}
- return i;
-}
+ c = optind;
+ if (server_address == NULL) {
+ if (argc > c) {
+ if (is_host (argv[c]) == FALSE)
+ usage2 (_("Invalid hostname/address"), optarg);
+ server_address = argv[c];
+ }
+ else {
+ usage4 (_("Hostname was not supplied"));
+ }
+ }
+ return OK;
+}
void
-print_usage (void)
+print_help (void)
{
- printf
- ("Usage: check_time -H <host_address> [-p port] [-w variance] [-c variance]\n"
- " [-W connect_time] [-C connect_time] [-t timeout]\n");
-}
+ char *myport;
+ asprintf (&myport, "%d", TIME_PORT);
+
+ print_revision (progname, NP_VERSION);
+ printf ("Copyright (c) 1999 Ethan Galstad\n");
+ printf (COPYRIGHT, copyright, email);
+ printf ("%s\n", _("This plugin will check the time on the specified host."));
+
+ printf ("\n\n");
+
+ print_usage ();
+
+ printf (UT_HELP_VRSN);
+ printf (UT_EXTRA_OPTS);
+
+ printf (UT_HOST_PORT, 'p', myport);
+
+ printf (" %s\n", "-u, --udp");
+ printf (" %s\n", _("Use UDP to connect, not TCP"));
+ printf (" %s\n", "-w, --warning-variance=INTEGER");
+ printf (" %s\n", _("Time difference (sec.) necessary to result in a warning status"));
+ printf (" %s\n", "-c, --critical-variance=INTEGER");
+ printf (" %s\n", _("Time difference (sec.) necessary to result in a critical status"));
+ printf (" %s\n", "-W, --warning-connect=INTEGER");
+ printf (" %s\n", _("Response time (sec.) necessary to result in warning status"));
+ printf (" %s\n", "-C, --critical-connect=INTEGER");
+ printf (" %s\n", _("Response time (sec.) necessary to result in critical status"));
+
+ printf (UT_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
+
+ printf (UT_SUPPORT);
+}
void
-print_help (void)
+print_usage (void)
{
- print_revision (PROGNAME, "$Revision$");
- printf
- ("Copyright (c) 2000 Ethan Galstad/Karl DeBisschop\n\n"
- "This plugin connects to a time port on the specified host.\n\n");
- print_usage ();
- printf
- ("Options:\n"
- " -H, --hostname=ADDRESS\n"
- " Host name argument for servers using host headers (use numeric\n"
- " address if possible to bypass DNS lookup).\n"
- " -w, --warning-variance=INTEGER\n"
- " Time difference (sec.) necessary to result in a warning status\n"
- " -c, --critical-variance=INTEGER\n"
- " Time difference (sec.) necessary to result in a critical status\n"
- " -W, --warning-connect=INTEGER\n"
- " Response time (sec.) necessary to result in warning status\n"
- " -C, --critical-connect=INTEGER\n"
- " Response time (sec.) necessary to result in critical status\n"
- " -t, --timeout=INTEGER\n"
- " Seconds before connection times out (default: %d)\n"
- " -p, --port=INTEGER\n"
- " Port number (default: %d)\n"
- " -h, --help\n"
- " Print detailed help screen\n"
- " -V, --version\n"
- " Print version information\n\n", DEFAULT_SOCKET_TIMEOUT, TIME_PORT);
- support ();
+ printf ("%s\n", _("Usage:"));
+ printf ("%s -H <host_address> [-p port] [-u] [-w variance] [-c variance]\n",progname);
+ printf (" [-W connect_time] [-C connect_time] [-t timeout]\n");
}