X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_ping.c;h=45108afb8cbe7b446ff602bd450895591d66c6ab;hb=25d1ee331dbe4977a4a1a756c67f32bd51d9b070;hp=6d8ef06d567d6d1a4dbc9a1e1c42a2d747657016;hpb=df1bd0c89ff63de64ee630e0025389651947020c;p=nagiosplug.git

diff --git a/plugins/check_ping.c b/plugins/check_ping.c
index 6d8ef06..45108af 100644
--- a/plugins/check_ping.c
+++ b/plugins/check_ping.c
@@ -1,26 +1,35 @@
-/******************************************************************************
-
- 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"
@@ -50,10 +59,10 @@ int cpl = UNKNOWN_PACKET_LOSS;
 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;
@@ -72,28 +81,36 @@ main (int argc, char **argv)
 	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);
@@ -112,8 +129,8 @@ main (int argc, char **argv)
 		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]);
@@ -129,8 +146,8 @@ main (int argc, char **argv)
 		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]);
 
@@ -144,9 +161,18 @@ main (int argc, char **argv)
 							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);
@@ -195,22 +221,20 @@ process_arguments (int argc, char **argv)
 
 		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;
@@ -342,7 +366,7 @@ get_threshold (char *arg, float *trta, int *tpl)
 		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);
@@ -394,6 +418,10 @@ validate_arguments ()
 			usage2 (_("Invalid hostname/address"), addresses[i]);
 	}
 
+	if (n_addresses == 0) {
+		usage (_("You must specify a server address or host name"));
+	}
+
 	return OK;
 }
 
@@ -406,7 +434,7 @@ run_ping (const char *cmd, const char *addr)
 	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)
@@ -414,15 +442,22 @@ run_ping (const char *cmd, const char *addr)
 
 	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 */
@@ -433,6 +468,7 @@ run_ping (const char *cmd, const char *addr)
 				 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;
 	}
@@ -442,9 +478,22 @@ run_ping (const char *cmd, const char *addr)
 		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);
 
@@ -464,19 +513,33 @@ run_ping (const char *cmd, const char *addr)
 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);
 	}
 
@@ -485,58 +548,63 @@ error_scan (char buf[MAX_INPUT_BUFFER], const char *addr)
 
 
 
-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");
 }