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diff --git a/plugins/check_ping.c b/plugins/check_ping.c
index 6d8ef06d567d6d1a4dbc9a1e1c42a2d747657016..45108afb8cbe7b446ff602bd450895591d66c6ab 100644 (file)
--- a/plugins/check_ping.c
+++ b/plugins/check_ping.c
-/******************************************************************************
-
- 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id$
-
-******************************************************************************/
+/*****************************************************************************
+*
+* Nagios check_ping plugin
+*
+* License: GPL
+* Copyright (c) 2000-2007 Nagios Plugins Development Team
+*
+* Description:
+*
+* This file contains the check_ping plugin
+*
+* Use the ping program to check connection statistics for a remote 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 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, see <http://www.gnu.org/licenses/>.
+*
+*
+*****************************************************************************/
const char *progname = "check_ping";
-const char *revision = "$Revision$";
-const char *copyright = "2000-2003";
+const char *copyright = "2000-2007";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
#include "common.h"
float wrta = UNKNOWN_TRIP_TIME;
float crta = UNKNOWN_TRIP_TIME;
char **addresses = NULL;
-int n_addresses;
+int n_addresses = 0;
int max_addr = 1;
int max_packets = -1;
-int verbose = FALSE;
+int verbose = 0;
float rta = UNKNOWN_TRIP_TIME;
int pl = UNKNOWN_PACKET_LOSS;
int i;
setlocale (LC_ALL, "");
+ setlocale (LC_NUMERIC, "C");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
addresses = malloc (sizeof(char*) * max_addr);
addresses[0] = NULL;
- if (process_arguments (argc, argv) != TRUE)
- usage (_("check_ping: could not parse arguments\n"));
+ /* Parse extra opts if any */
+ argv=np_extra_opts (&argc, argv, progname);
+
+ if (process_arguments (argc, argv) == ERROR)
+ usage4 (_("Could not parse arguments"));
/* Set signal handling and alarm */
if (signal (SIGALRM, popen_timeout_alarm_handler) == SIG_ERR) {
- printf (_("Cannot catch SIGALRM"));
- return STATE_UNKNOWN;
+ usage4 (_("Cannot catch SIGALRM"));
}
- /* handle timeouts gracefully */
+ /* If ./configure finds ping has timeout values, set plugin alarm slightly
+ * higher so that we can use response from command line ping */
+#if defined(PING_PACKETS_FIRST) && defined(PING_HAS_TIMEOUT)
+ alarm (timeout_interval + 1);
+#else
alarm (timeout_interval);
+#endif
for (i = 0 ; i < n_addresses ; i++) {
-
+
#ifdef PING6_COMMAND
- if (is_inet6_addr(addresses[i]) && address_family != AF_INET)
+ if (address_family != AF_INET && is_inet6_addr(addresses[i]))
rawcmd = strdup(PING6_COMMAND);
else
rawcmd = strdup(PING_COMMAND);
asprintf (&cmd, rawcmd, addresses[i], max_packets);
#endif
- if (verbose)
- printf ("%s ==> ", cmd);
+ if (verbose >= 2)
+ printf ("CMD: %s\n", cmd);
/* run the command */
this_result = run_ping (cmd, addresses[i]);
else if (pl >= wpl || rta >= wrta)
this_result = STATE_WARNING;
else if (pl >= 0 && rta >= 0)
- this_result = max_state (STATE_OK, this_result);
-
+ this_result = max_state (STATE_OK, this_result);
+
if (n_addresses > 1 && this_result != STATE_UNKNOWN)
die (STATE_OK, "%s is alive\n", addresses[i]);
state_text (this_result), warn_text, pl, rta);
if (display_html == TRUE)
printf ("</A>");
- printf ("\n");
- if (verbose)
+ /* Print performance data */
+ printf("|%s", fperfdata ("rta", (double) rta, "ms",
+ wrta>0?TRUE:FALSE, wrta,
+ crta>0?TRUE:FALSE, crta,
+ TRUE, 0, FALSE, 0));
+ printf(" %s\n", perfdata ("pl", (long) pl, "%",
+ wpl>0?TRUE:FALSE, wpl,
+ cpl>0?TRUE:FALSE, cpl,
+ TRUE, 0, FALSE, 0));
+
+ if (verbose >= 2)
printf ("%f:%d%% %f:%d%%\n", wrta, wpl, crta, cpl);
result = max_state (result, this_result);
switch (c) {
case '?': /* usage */
- printf (_("%s: Unknown argument: %s\n\n"), progname, optarg);
- print_usage ();
- exit (STATE_UNKNOWN);
+ usage5 ();
case 'h': /* help */
print_help ();
exit (STATE_OK);
break;
case 'V': /* version */
- print_revision (progname, revision);
+ print_revision (progname, NP_VERSION);
exit (STATE_OK);
break;
case 't': /* timeout period */
timeout_interval = atoi (optarg);
break;
case 'v': /* verbose mode */
- verbose = TRUE;
+ verbose++;
break;
case '4': /* IPv4 only */
address_family = AF_INET;
return OK;
else if (strpbrk (arg, ",:") && strstr (arg, "%") && sscanf (arg, "%f%*[:,]%d%%", trta, tpl) == 2)
return OK;
- else if (strstr (arg, "%") && sscanf (arg, "%d%%", tpl) == 1)
+ else if (strstr (arg, "%") && sscanf (arg, "%d%%", tpl) == 1)
return OK;
usage2 (_("%s: Warning threshold must be integer or percentage!\n\n"), arg);
usage2 (_("Invalid hostname/address"), addresses[i]);
}
+ if (n_addresses == 0) {
+ usage (_("You must specify a server address or host name"));
+ }
+
return OK;
}
int result = STATE_UNKNOWN;
if ((child_process = spopen (cmd)) == NULL)
- die (STATE_UNKNOWN, _("Cannot open pipe: %s"), cmd);
+ die (STATE_UNKNOWN, _("Could not open pipe: %s\n"), cmd);
child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
if (child_stderr == NULL)
while (fgets (buf, MAX_INPUT_BUFFER - 1, child_process)) {
+ if (verbose >= 3)
+ printf("Output: %s", buf);
+
result = max_state (result, error_scan (buf, addr));
/* get the percent loss statistics */
if(sscanf(buf,"%*d packets transmitted, %*d packets received, +%*d errors, %d%% packet loss",&pl)==1 ||
- sscanf(buf,"%*d packets transmitted, %*d packets received, %d%% packet loss",&pl)==1 ||
+ sscanf(buf,"%*d packets transmitted, %*d packets received, +%*d duplicates, %d%% packet loss", &pl) == 1 ||
+ sscanf(buf,"%*d packets transmitted, %*d received, +%*d duplicates, %d%% packet loss", &pl) == 1 ||
+ sscanf(buf,"%*d packets transmitted, %*d packets received, %d%% packet loss",&pl)==1 ||
sscanf(buf,"%*d packets transmitted, %*d packets received, %d%% loss, time",&pl)==1 ||
sscanf(buf,"%*d packets transmitted, %*d received, %d%% loss, time", &pl)==1 ||
sscanf(buf,"%*d packets transmitted, %*d received, %d%% packet loss, time", &pl)==1 ||
- sscanf(buf,"%*d packets transmitted, %*d received, +%*d errors, %d%% packet loss", &pl) == 1)
+ sscanf(buf,"%*d packets transmitted, %*d received, +%*d errors, %d%% packet loss", &pl) == 1 ||
+ sscanf(buf,"%*d packets transmitted %*d received, +%*d errors, %d%% packet loss", &pl) == 1
+ )
continue;
/* get the round trip average */
sscanf(buf,"round-trip min/avg/max/stddev = %*f/%f/%*f/%*f",&rta)==1 ||
sscanf(buf,"round-trip min/avg/max/std-dev = %*f/%f/%*f/%*f",&rta)==1 ||
sscanf(buf,"round-trip (ms) min/avg/max = %*f/%f/%*f",&rta)==1 ||
+ sscanf(buf,"round-trip (ms) min/avg/max/stddev = %*f/%f/%*f/%*f",&rta)==1 ||
sscanf(buf,"rtt min/avg/max/mdev = %*f/%f/%*f/%*f ms",&rta)==1)
continue;
}
rta = crta;
/* check stderr, setting at least WARNING if there is output here */
- while (fgets (buf, MAX_INPUT_BUFFER - 1, child_stderr))
- if (! strstr(buf,"WARNING - no SO_TIMESTAMP support, falling back to SIOCGSTAMP"))
- result = max_state (STATE_WARNING, error_scan (buf, addr));
+ /* Add warning into warn_text */
+ while (fgets (buf, MAX_INPUT_BUFFER - 1, child_stderr)) {
+ if (! strstr(buf,"WARNING - no SO_TIMESTAMP support, falling back to SIOCGSTAMP")) {
+ if (verbose >= 3) {
+ printf("Got stderr: %s", buf);
+ }
+ if ((result=error_scan(buf, addr)) == STATE_OK) {
+ result = STATE_WARNING;
+ if (warn_text == NULL) {
+ warn_text = strdup(_("System call sent warnings to stderr "));
+ } else {
+ asprintf(&warn_text, "%s %s", warn_text, _("System call sent warnings to stderr "));
+ }
+ }
+ }
+ }
(void) fclose (child_stderr);
int
error_scan (char buf[MAX_INPUT_BUFFER], const char *addr)
{
- if (strstr (buf, "Network is unreachable"))
- die (STATE_CRITICAL, _("CRITICAL - Network unreachable (%s)"), addr);
+ if (strstr (buf, "Network is unreachable") ||
+ strstr (buf, "Destination Net Unreachable")
+ )
+ die (STATE_CRITICAL, _("CRITICAL - Network Unreachable (%s)"), addr);
else if (strstr (buf, "Destination Host Unreachable"))
die (STATE_CRITICAL, _("CRITICAL - Host Unreachable (%s)"), addr);
+ else if (strstr (buf, "Destination Port Unreachable"))
+ die (STATE_CRITICAL, _("CRITICAL - Bogus ICMP: Port Unreachable (%s)"), addr);
+ else if (strstr (buf, "Destination Protocol Unreachable"))
+ die (STATE_CRITICAL, _("CRITICAL - Bogus ICMP: Protocol Unreachable (%s)"), addr);
+ else if (strstr (buf, "Destination Net Prohibited"))
+ die (STATE_CRITICAL, _("CRITICAL - Network Prohibited (%s)"), addr);
+ else if (strstr (buf, "Destination Host Prohibited"))
+ die (STATE_CRITICAL, _("CRITICAL - Host Prohibited (%s)"), addr);
+ else if (strstr (buf, "Packet filtered"))
+ die (STATE_CRITICAL, _("CRITICAL - Packet Filtered (%s)"), addr);
else if (strstr (buf, "unknown host" ))
die (STATE_CRITICAL, _("CRITICAL - Host not found (%s)"), addr);
+ else if (strstr (buf, "Time to live exceeded"))
+ die (STATE_CRITICAL, _("CRITICAL - Time to live exceeded (%s)"), addr);
if (strstr (buf, "(DUP!)") || strstr (buf, "DUPLICATES FOUND")) {
if (warn_text == NULL)
warn_text = strdup (_(WARN_DUPLICATES));
else if (! strstr (warn_text, _(WARN_DUPLICATES)) &&
asprintf (&warn_text, "%s %s", warn_text, _(WARN_DUPLICATES)) == -1)
- die (STATE_UNKNOWN, _("unable to realloc warn_text"));
+ die (STATE_UNKNOWN, _("Unable to realloc warn_text"));
return (STATE_WARNING);
}
-void
-print_usage (void)
-{
- printf (\
-"Usage: %s -H <host_address> -w <wrta>,<wpl>%% -c <crta>,<cpl>%%\n\
- [-p packets] [-t timeout] [-L] [-4|-6]\n", progname);
- printf (_(UT_HLP_VRS), progname, progname);
-}
-
-
-
void
print_help (void)
{
- print_revision (progname, revision);
+ print_revision (progname, NP_VERSION);
- printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>");
+ printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
printf (COPYRIGHT, copyright, email);
- printf (_("Use ping to check connection statistics for a remote host.\n\n"));
+ printf (_("Use ping to check connection statistics for a remote host."));
+
+ printf ("\n\n");
print_usage ();
- printf (_(UT_HELP_VRSN));
-
- printf (_(UT_IPv46));
-
- printf (_("\
--H, --hostname=HOST\n\
- host to ping\n\
--w, --warning=THRESHOLD\n\
- warning threshold pair\n\
--c, --critical=THRESHOLD\n\
- critical threshold pair\n\
--p, --packets=INTEGER\n\
- number of ICMP ECHO packets to send (Default: %d)\n\
--L, --link\n\
- show HTML in the plugin output (obsoleted by urlize)\n"),
- DEFAULT_MAX_PACKETS);
-
- printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
-
- printf (_("\
-THRESHOLD is <rta>,<pl>%% where <rta> is the round trip average travel\n\
-time (ms) which triggers a WARNING or CRITICAL state, and <pl> is the\n\
-percentage of packet loss to trigger an alarm state.\n\n"));
-
- printf (_("\
-This plugin uses the ping command to probe the specified host for packet loss\n\
-(percentage) and round trip average (milliseconds). It can produce HTML output\n\
-linking to a traceroute CGI contributed by Ian Cass. The CGI can be found in\n\
-the contrib area of the downloads section at http://www.nagios.org\n\n"));
-
- printf (_(UT_SUPPORT));
+ printf (UT_HELP_VRSN);
+ printf (UT_EXTRA_OPTS);
+
+ printf (UT_IPv46);
+
+ printf (" %s\n", "-H, --hostname=HOST");
+ printf (" %s\n", _("host to ping"));
+ printf (" %s\n", "-w, --warning=THRESHOLD");
+ printf (" %s\n", _("warning threshold pair"));
+ printf (" %s\n", "-c, --critical=THRESHOLD");
+ printf (" %s\n", _("critical threshold pair"));
+ printf (" %s\n", "-p, --packets=INTEGER");
+ printf (" %s ", _("number of ICMP ECHO packets to send"));
+ printf (_("(Default: %d)\n"), DEFAULT_MAX_PACKETS);
+ printf (" %s\n", "-L, --link");
+ printf (" %s\n", _("show HTML in the plugin output (obsoleted by urlize)"));
+
+ printf (UT_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
+
+ printf ("\n");
+ printf ("%s\n", _("THRESHOLD is <rta>,<pl>% where <rta> is the round trip average travel"));
+ printf ("%s\n", _("time (ms) which triggers a WARNING or CRITICAL state, and <pl> is the"));
+ printf ("%s\n", _("percentage of packet loss to trigger an alarm state."));
+
+ printf ("\n");
+ printf ("%s\n", _("This plugin uses the ping command to probe the specified host for packet loss"));
+ printf ("%s\n", _("(percentage) and round trip average (milliseconds). It can produce HTML output"));
+ printf ("%s\n", _("linking to a traceroute CGI contributed by Ian Cass. The CGI can be found in"));
+ printf ("%s\n", _("the contrib area of the downloads section at http://www.nagios.org/"));
+
+#ifdef NP_EXTRA_OPTS
+ printf ("\n");
+ printf ("%s\n", _("Notes:"));
+ printf (UT_EXTRA_OPTS_NOTES);
+#endif
+
+ printf (UT_SUPPORT);
+}
+
+void
+print_usage (void)
+{
+ printf (_("Usage:"));
+ printf ("%s -H <host_address> -w <wrta>,<wpl>%% -c <crta>,<cpl>%%\n", progname);
+ printf (" [-p packets] [-t timeout] [-4|-6]\n");
}