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-rw-r--r--plugins/check_fping.c527
1 files changed, 527 insertions, 0 deletions
diff --git a/plugins/check_fping.c b/plugins/check_fping.c
new file mode 100644
index 0000000..23a9e99
--- /dev/null
+++ b/plugins/check_fping.c
@@ -0,0 +1,527 @@
+/*****************************************************************************
+*
+* Monitoring check_fping plugin
+*
+* License: GPL
+* Copyright (c) 2000-2007 Monitoring Plugins Development Team
+*
+* Description:
+*
+* This file contains the check_disk plugin
+*
+* This plugin will use the fping command to ping the specified host for a
+* fast check
+*
+*
+* 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_fping";
+const char *copyright = "2000-2007";
+const char *email = "devel@monitoring-plugins.org";
+
+#include "common.h"
+#include "popen.h"
+#include "netutils.h"
+#include "utils.h"
+#include <stdbool.h>
+
+enum {
+ PACKET_COUNT = 1,
+ PACKET_SIZE = 56,
+ PL = 0,
+ RTA = 1
+};
+
+int textscan (char *buf);
+int process_arguments (int, char **);
+int get_threshold (char *arg, char *rv[2]);
+void print_help (void);
+void print_usage (void);
+
+char *server_name = NULL;
+char *sourceip = NULL;
+char *sourceif = NULL;
+int packet_size = PACKET_SIZE;
+int packet_count = PACKET_COUNT;
+int target_timeout = 0;
+int packet_interval = 0;
+int verbose = FALSE;
+int cpl;
+int wpl;
+double crta;
+double wrta;
+int cpl_p = FALSE;
+int wpl_p = FALSE;
+bool alive_p = FALSE;
+int crta_p = FALSE;
+int wrta_p = FALSE;
+
+int
+main (int argc, char **argv)
+{
+/* normally should be int result = STATE_UNKNOWN; */
+
+ int status = STATE_UNKNOWN;
+ int result = 0;
+ char *fping_prog = NULL;
+ char *server = NULL;
+ char *command_line = NULL;
+ char *input_buffer = NULL;
+ char *option_string = "";
+ input_buffer = malloc (MAX_INPUT_BUFFER);
+
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
+ /* Parse extra opts if any */
+ argv=np_extra_opts (&argc, argv, progname);
+
+ if (process_arguments (argc, argv) == ERROR)
+ usage4 (_("Could not parse arguments"));
+
+ server = strscpy (server, server_name);
+
+ /* compose the command */
+ if (target_timeout)
+ xasprintf(&option_string, "%s-t %d ", option_string, target_timeout);
+ if (packet_interval)
+ xasprintf(&option_string, "%s-p %d ", option_string, packet_interval);
+ if (sourceip)
+ xasprintf(&option_string, "%s-S %s ", option_string, sourceip);
+ if (sourceif)
+ xasprintf(&option_string, "%s-I %s ", option_string, sourceif);
+
+#ifdef PATH_TO_FPING6
+ if (address_family != AF_INET && is_inet6_addr(server))
+ fping_prog = strdup(PATH_TO_FPING6);
+ else
+ fping_prog = strdup(PATH_TO_FPING);
+#else
+ fping_prog = strdup(PATH_TO_FPING);
+#endif
+
+ xasprintf (&command_line, "%s %s-b %d -c %d %s", fping_prog,
+ option_string, packet_size, packet_count, server);
+
+ if (verbose)
+ printf ("%s\n", command_line);
+
+ /* run the command */
+ child_process = spopen (command_line);
+ if (child_process == NULL) {
+ printf (_("Could not open pipe: %s\n"), command_line);
+ return STATE_UNKNOWN;
+ }
+
+ child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
+ if (child_stderr == NULL) {
+ printf (_("Could not open stderr for %s\n"), command_line);
+ }
+
+ while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
+ if (verbose)
+ printf ("%s", input_buffer);
+ status = max_state (status, textscan (input_buffer));
+ }
+
+ /* If we get anything on STDERR, at least set warning */
+ while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) {
+ status = max_state (status, STATE_WARNING);
+ if (verbose)
+ printf ("%s", input_buffer);
+ status = max_state (status, textscan (input_buffer));
+ }
+ (void) fclose (child_stderr);
+
+ /* close the pipe */
+ result = spclose (child_process);
+ if (result) {
+ /* need to use max_state not max */
+ status = max_state (status, STATE_WARNING);
+ }
+
+ if (result > 1 ) {
+ status = max_state (status, STATE_UNKNOWN);
+ if (result == 2) {
+ die (STATE_UNKNOWN, _("FPING UNKNOWN - IP address not found\n"));
+ }
+ if (result == 3) {
+ die (STATE_UNKNOWN, _("FPING UNKNOWN - invalid commandline argument\n"));
+ }
+ if (result == 4) {
+ die (STATE_UNKNOWN, _("FPING UNKNOWN - failed system call\n"));
+ }
+
+ }
+
+ printf ("FPING %s - %s\n", state_text (status), server_name);
+
+ return status;
+}
+
+
+int textscan (char *buf) {
+ char *rtastr = NULL;
+ char *losstr = NULL;
+ char *xmtstr = NULL;
+ double loss;
+ double rta;
+ double xmt;
+ int status = STATE_UNKNOWN;
+
+ /* stops testing after the first successful reply. */
+ if (alive_p && strstr(buf, "avg, 0% loss)")) {
+ rtastr = strstr (buf, "ms (");
+ rtastr = 1 + index(rtastr, '(');
+ rta = strtod(rtastr, NULL);
+ loss=strtod("0",NULL);
+ die (STATE_OK,
+ _("FPING %s - %s (rta=%f ms)|%s\n"),
+ state_text (STATE_OK), server_name,rta,
+ /* No loss since we only waited for the first reply
+ perfdata ("loss", (long int)loss, "%", wpl_p, wpl, cpl_p, cpl, TRUE, 0, TRUE, 100), */
+ fperfdata ("rta", rta/1.0e3, "s", wrta_p, wrta/1.0e3, crta_p, crta/1.0e3, TRUE, 0, FALSE, 0));
+ }
+
+ if (strstr (buf, "not found")) {
+ die (STATE_CRITICAL, _("FPING UNKNOWN - %s not found\n"), server_name);
+
+ }
+ else if (strstr (buf, "is unreachable") || strstr (buf, "Unreachable")) {
+ die (STATE_CRITICAL, _("FPING CRITICAL - %s is unreachable\n"),
+ "host");
+
+ }
+ else if (strstr (buf, "Operation not permitted") || strstr (buf, "No such device") ) {
+ die (STATE_UNKNOWN, _("FPING UNKNOWN - %s parameter error\n"),
+ "host");
+ }
+ else if (strstr (buf, "is down")) {
+ die (STATE_CRITICAL, _("FPING CRITICAL - %s is down\n"), server_name);
+
+ }
+ else if (strstr (buf, "is alive")) {
+ status = STATE_OK;
+
+ }
+ else if (strstr (buf, "xmt/rcv/%loss") && strstr (buf, "min/avg/max")) {
+ losstr = strstr (buf, "=");
+ losstr = 1 + strstr (losstr, "/");
+ losstr = 1 + strstr (losstr, "/");
+ rtastr = strstr (buf, "min/avg/max");
+ rtastr = strstr (rtastr, "=");
+ rtastr = 1 + index (rtastr, '/');
+ loss = strtod (losstr, NULL);
+ rta = strtod (rtastr, NULL);
+ if (cpl_p == TRUE && loss > cpl)
+ status = STATE_CRITICAL;
+ else if (crta_p == TRUE && rta > crta)
+ status = STATE_CRITICAL;
+ else if (wpl_p == TRUE && loss > wpl)
+ status = STATE_WARNING;
+ else if (wrta_p == TRUE && rta > wrta)
+ status = STATE_WARNING;
+ else
+ status = STATE_OK;
+ die (status,
+ _("FPING %s - %s (loss=%.0f%%, rta=%f ms)|%s %s\n"),
+ state_text (status), server_name, loss, rta,
+ perfdata ("loss", (long int)loss, "%", wpl_p, wpl, cpl_p, cpl, TRUE, 0, TRUE, 100),
+ fperfdata ("rta", rta/1.0e3, "s", wrta_p, wrta/1.0e3, crta_p, crta/1.0e3, TRUE, 0, FALSE, 0));
+
+ }
+ else if(strstr (buf, "xmt/rcv/%loss") ) {
+ /* no min/max/avg if host was unreachable in fping v2.2.b1 */
+ /* in v2.4b2: 10.99.0.1 : xmt/rcv/%loss = 0/0/0% */
+ losstr = strstr (buf, "=");
+ xmtstr = 1 + losstr;
+ xmt = strtod (xmtstr, NULL);
+ if(xmt == 0)
+ die (STATE_CRITICAL, _("FPING CRITICAL - %s is down\n"), server_name);
+ losstr = 1 + strstr (losstr, "/");
+ losstr = 1 + strstr (losstr, "/");
+ loss = strtod (losstr, NULL);
+ if (atoi(losstr) == 100)
+ status = STATE_CRITICAL;
+ else if (cpl_p == TRUE && loss > cpl)
+ status = STATE_CRITICAL;
+ else if (wpl_p == TRUE && loss > wpl)
+ status = STATE_WARNING;
+ else
+ status = STATE_OK;
+ /* loss=%.0f%%;%d;%d;0;100 */
+ die (status, _("FPING %s - %s (loss=%.0f%% )|%s\n"),
+ state_text (status), server_name, loss ,
+ perfdata ("loss", (long int)loss, "%", wpl_p, wpl, cpl_p, cpl, TRUE, 0, TRUE, 100));
+
+ }
+ else {
+ status = max_state (status, STATE_WARNING);
+ }
+
+ return status;
+}
+
+
+
+/* process command-line arguments */
+int
+process_arguments (int argc, char **argv)
+{
+ int c;
+ char *rv[2];
+
+ int option = 0;
+ static struct option longopts[] = {
+ {"hostname", required_argument, 0, 'H'},
+ {"sourceip", required_argument, 0, 'S'},
+ {"sourceif", required_argument, 0, 'I'},
+ {"critical", required_argument, 0, 'c'},
+ {"warning", required_argument, 0, 'w'},
+ {"alive", no_argument, 0, 'a'},
+ {"bytes", required_argument, 0, 'b'},
+ {"number", required_argument, 0, 'n'},
+ {"target-timeout", required_argument, 0, 'T'},
+ {"interval", required_argument, 0, 'i'},
+ {"verbose", no_argument, 0, 'v'},
+ {"version", no_argument, 0, 'V'},
+ {"help", no_argument, 0, 'h'},
+ {"use-ipv4", no_argument, 0, '4'},
+ {"use-ipv6", no_argument, 0, '6'},
+ {0, 0, 0, 0}
+ };
+
+ rv[PL] = NULL;
+ rv[RTA] = NULL;
+
+ if (argc < 2)
+ return ERROR;
+
+ if (!is_option (argv[1])) {
+ server_name = argv[1];
+ argv[1] = argv[0];
+ argv = &argv[1];
+ argc--;
+ }
+
+ while (1) {
+ c = getopt_long (argc, argv, "+hVvaH:S:c:w:b:n:T:i:I:46", longopts, &option);
+
+ if (c == -1 || c == EOF || c == 1)
+ break;
+
+ switch (c) {
+ case '?': /* print short usage statement if args not parsable */
+ usage5 ();
+ case 'a': /* host alive mode */
+ alive_p = TRUE;
+ break;
+ case 'h': /* help */
+ print_help ();
+ exit (STATE_UNKNOWN);
+ case 'V': /* version */
+ print_revision (progname, NP_VERSION);
+ exit (STATE_UNKNOWN);
+ case 'v': /* verbose mode */
+ verbose = TRUE;
+ break;
+ case 'H': /* hostname */
+ if (is_host (optarg) == FALSE) {
+ usage2 (_("Invalid hostname/address"), optarg);
+ }
+ server_name = strscpy (server_name, optarg);
+ break;
+ case 'S': /* sourceip */
+ if (is_host (optarg) == FALSE) {
+ usage2 (_("Invalid hostname/address"), optarg);
+ }
+ sourceip = strscpy (sourceip, optarg);
+ break;
+ case 'I': /* sourceip */
+ sourceif = strscpy (sourceif, optarg);
+ break;
+ case '4': /* IPv4 only */
+ address_family = AF_INET;
+ break;
+ case '6': /* IPv6 only */
+#ifdef USE_IPV6
+ address_family = AF_INET6;
+#else
+ usage (_("IPv6 support not available\n"));
+#endif
+ break;
+ case 'c':
+ get_threshold (optarg, rv);
+ if (rv[RTA]) {
+ crta = strtod (rv[RTA], NULL);
+ crta_p = TRUE;
+ rv[RTA] = NULL;
+ }
+ if (rv[PL]) {
+ cpl = atoi (rv[PL]);
+ cpl_p = TRUE;
+ rv[PL] = NULL;
+ }
+ break;
+ case 'w':
+ get_threshold (optarg, rv);
+ if (rv[RTA]) {
+ wrta = strtod (rv[RTA], NULL);
+ wrta_p = TRUE;
+ rv[RTA] = NULL;
+ }
+ if (rv[PL]) {
+ wpl = atoi (rv[PL]);
+ wpl_p = TRUE;
+ rv[PL] = NULL;
+ }
+ break;
+ case 'b': /* bytes per packet */
+ if (is_intpos (optarg))
+ packet_size = atoi (optarg);
+ else
+ usage (_("Packet size must be a positive integer"));
+ break;
+ case 'n': /* number of packets */
+ if (is_intpos (optarg))
+ packet_count = atoi (optarg);
+ else
+ usage (_("Packet count must be a positive integer"));
+ break;
+ case 'T': /* timeout in msec */
+ if (is_intpos (optarg))
+ target_timeout = atoi (optarg);
+ else
+ usage (_("Target timeout must be a positive integer"));
+ break;
+ case 'i': /* interval in msec */
+ if (is_intpos (optarg))
+ packet_interval = atoi (optarg);
+ else
+ usage (_("Interval must be a positive integer"));
+ break;
+ }
+ }
+
+ if (server_name == NULL)
+ usage4 (_("Hostname was not supplied"));
+
+ return OK;
+}
+
+
+int
+get_threshold (char *arg, char *rv[2])
+{
+ char *arg1 = NULL;
+ char *arg2 = NULL;
+
+ arg1 = strscpy (arg1, arg);
+ if (strpbrk (arg1, ",:"))
+ arg2 = 1 + strpbrk (arg1, ",:");
+
+ if (arg2) {
+ arg1[strcspn (arg1, ",:")] = 0;
+ if (strstr (arg1, "%") && strstr (arg2, "%"))
+ die (STATE_UNKNOWN,
+ _("%s: Only one threshold may be packet loss (%s)\n"), progname,
+ arg);
+ if (!strstr (arg1, "%") && !strstr (arg2, "%"))
+ die (STATE_UNKNOWN,
+ _("%s: Only one threshold must be packet loss (%s)\n"),
+ progname, arg);
+ }
+
+ if (arg2 && strstr (arg2, "%")) {
+ rv[PL] = arg2;
+ rv[RTA] = arg1;
+ }
+ else if (arg2) {
+ rv[PL] = arg1;
+ rv[RTA] = arg2;
+ }
+ else if (strstr (arg1, "%")) {
+ rv[PL] = arg1;
+ }
+ else {
+ rv[RTA] = arg1;
+ }
+
+ return OK;
+}
+
+
+void print_help (void) {
+
+ print_revision (progname, NP_VERSION);
+
+ printf ("Copyright (c) 1999 Didi Rieder <adrieder@sbox.tu-graz.ac.at>\n");
+ printf (COPYRIGHT, copyright, email);
+
+ printf ("%s\n", _("This plugin will use the fping command to ping the specified host for a fast check"));
+
+ printf ("%s\n", _("Note that it is necessary to set the suid flag on fping."));
+
+ printf ("\n\n");
+
+ print_usage ();
+
+ printf (UT_HELP_VRSN);
+ printf (UT_EXTRA_OPTS);
+
+ printf (UT_IPv46);
+
+ printf (" %s\n", "-H, --hostname=HOST");
+ printf (" %s\n", _("name or IP Address of host to ping (IP Address bypasses name lookup, reducing system load)"));
+ 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", "-a, --alive");
+ printf (" %s\n", _("Return OK after first successful reply"));
+ printf (" %s\n", "-b, --bytes=INTEGER");
+ printf (" %s (default: %d)\n", _("size of ICMP packet"),PACKET_SIZE);
+ printf (" %s\n", "-n, --number=INTEGER");
+ printf (" %s (default: %d)\n", _("number of ICMP packets to send"),PACKET_COUNT);
+ printf (" %s\n", "-T, --target-timeout=INTEGER");
+ printf (" %s (default: fping's default for -t)\n", _("Target timeout (ms)"));
+ printf (" %s\n", "-i, --interval=INTEGER");
+ printf (" %s (default: fping's default for -p)\n", _("Interval (ms) between sending packets"));
+ printf (" %s\n", "-S, --sourceip=HOST");
+ printf (" %s\n", _("name or IP Address of sourceip"));
+ printf (" %s\n", "-I, --sourceif=IF");
+ printf (" %s\n", _("source interface name"));
+ printf (UT_VERBOSE);
+ printf ("\n");
+ printf (" %s\n", _("THRESHOLD is <rta>,<pl>%% where <rta> is the round trip average travel time (ms)"));
+ printf (" %s\n", _("which triggers a WARNING or CRITICAL state, and <pl> is the percentage of"));
+ printf (" %s\n", _("packet loss to trigger an alarm state."));
+
+ printf ("\n");
+ printf (" %s\n", _("IPv4 is used by default. Specify -6 to use IPv6."));
+
+ printf (UT_SUPPORT);
+}
+
+
+void
+print_usage (void)
+{
+ printf ("%s\n", _("Usage:"));
+ printf (" %s <host_address> -w limit -c limit [-b size] [-n number] [-T number] [-i number]\n", progname);
+}
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