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diff --git a/plugins/check_ping.c b/plugins/check_ping.c
index 9eff13c32f9a4e11b72b24fced71c8133e18709a..9fe71831684923d1fffa1816ce0c56c60a61eee3 100644 (file)
--- a/plugins/check_ping.c
+++ b/plugins/check_ping.c
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ $Id$
+
******************************************************************************/
const char *progname = "check_ping";
const char *revision = "$Revision$";
-const char *copyright = "2000-2003";
+const char *copyright = "2000-2004";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
#include "common.h"
#include "popen.h"
#include "utils.h"
-#define UNKNOWN_PACKET_LOSS 200 /* 200% */
+#define WARN_DUPLICATES "DUPLICATES FOUND! "
#define UNKNOWN_TRIP_TIME -1.0 /* -1 seconds */
-#define DEFAULT_MAX_PACKETS 5 /* default no. of ICMP ECHO packets */
-#define WARN_DUPLICATES "DUPLICATES FOUND! "
+enum {
+ UNKNOWN_PACKET_LOSS = 200, /* 200% */
+ DEFAULT_MAX_PACKETS = 5 /* default no. of ICMP ECHO packets */
+};
int process_arguments (int, char **);
int get_threshold (char *, float *, int *);
int validate_arguments (void);
-int run_ping (char *, char *);
+int run_ping (const char *cmd, const char *addr);
+int error_scan (char buf[MAX_INPUT_BUFFER], const char *addr);
void print_usage (void);
void print_help (void);
float rta = UNKNOWN_TRIP_TIME;
int pl = UNKNOWN_PACKET_LOSS;
-char *warn_text = NULL;
+char *warn_text;
+
+
int
main (int argc, char **argv)
{
- char *command_line = NULL;
+ char *cmd = NULL;
+ char *rawcmd = NULL;
int result = STATE_UNKNOWN;
int this_result = STATE_UNKNOWN;
int i;
- addresses = malloc (max_addr);
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
- if (process_arguments (argc, argv) == ERROR)
- usage (_("Could not parse arguments"));
- exit;
+ addresses = malloc (sizeof(char*) * max_addr);
+ addresses[0] = NULL;
+
+ if (process_arguments (argc, argv) != TRUE)
+ 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 */
alarm (timeout_interval);
for (i = 0 ; i < n_addresses ; i++) {
+
+#ifdef PING6_COMMAND
+ if (is_inet6_addr(addresses[i]) && address_family != AF_INET)
+ rawcmd = strdup(PING6_COMMAND);
+ else
+ rawcmd = strdup(PING_COMMAND);
+#else
+ rawcmd = strdup(PING_COMMAND);
+#endif
/* does the host address of number of packets argument come first? */
-#ifdef PING6_COMMAND
-# ifdef PING_PACKETS_FIRST
- if (is_inet6_addr(addresses[i]) && address_family != AF_INET)
- asprintf (&command_line, PING6_COMMAND, max_packets, addresses[i]);
- else
- asprintf (&command_line, PING_COMMAND, max_packets, addresses[i]);
+#ifdef PING_PACKETS_FIRST
+# ifdef PING_HAS_TIMEOUT
+ asprintf (&cmd, rawcmd, timeout_interval, max_packets, addresses[i]);
# else
- if (is_inet6_addr(addresses[i]) && address_family != AF_INET)
- asprintf (&command_line, PING6_COMMAND, addresses[i], max_packets);
- else
- asprintf (&command_line, PING_COMMAND, addresses[i], max_packets);
+ asprintf (&cmd, rawcmd, max_packets, addresses[i]);
# endif
-#else /* USE_IPV6 */
-# ifdef PING_PACKETS_FIRST
- asprintf (&command_line, PING_COMMAND, max_packets, addresses[i]);
-# else
- asprintf (&command_line, PING_COMMAND, addresses[i], max_packets);
-# endif
-#endif /* USE_IPV6 */
+#else
+ asprintf (&cmd, rawcmd, addresses[i], max_packets);
+#endif
if (verbose)
- printf ("%s ==> ", command_line);
+ printf ("%s ==> ", cmd);
/* run the command */
- this_result = run_ping (command_line, addresses[i]);
+ this_result = run_ping (cmd, addresses[i]);
- if (pl == UNKNOWN_PACKET_LOSS || rta == UNKNOWN_TRIP_TIME) {
- printf ("%s\n", command_line);
- terminate (STATE_UNKNOWN,
- _("Error: Could not interpret output from ping command\n"));
+ if (pl == UNKNOWN_PACKET_LOSS || rta < 0.0) {
+ printf ("%s\n", cmd);
+ die (STATE_UNKNOWN,
+ _("CRITICAL - Could not interpret output from ping command\n"));
}
if (pl >= cpl || rta >= crta || rta < 0)
this_result = max_state (STATE_OK, this_result);
if (n_addresses > 1 && this_result != STATE_UNKNOWN)
- terminate (STATE_OK, "%s is alive\n", addresses[i]);
+ die (STATE_OK, "%s is alive\n", addresses[i]);
if (display_html == TRUE)
printf ("<A HREF='%s/traceroute.cgi?%s'>", CGIURL, addresses[i]);
printf ("%f:%d%% %f:%d%%\n", wrta, wpl, crta, cpl);
result = max_state (result, this_result);
-
+ free (rawcmd);
+ free (cmd);
}
return result;
}
-\f
+
+
/* process command-line arguments */
int
int c = 1;
char *ptr;
- int option_index = 0;
- static struct option long_options[] = {
+ int option = 0;
+ static struct option longopts[] = {
STD_LONG_OPTS,
{"packets", required_argument, 0, 'p'},
{"nohtml", no_argument, 0, 'n'},
}
while (1) {
- c = getopt_long (argc, argv, "VvhnL46t:c:w:H:p:", long_options, &option_index);
+ c = getopt_long (argc, argv, "VvhnL46t:c:w:H:p:", longopts, &option);
if (c == -1 || c == EOF)
break;
switch (c) {
case '?': /* usage */
- usage3 (_("Unknown argument"), optopt);
+ printf (_("%s: Unknown argument: %s\n\n"), progname, optarg);
+ print_usage ();
+ exit (STATE_UNKNOWN);
case 'h': /* help */
print_help ();
exit (STATE_OK);
+ break;
case 'V': /* version */
print_revision (progname, revision);
exit (STATE_OK);
+ break;
case 't': /* timeout period */
timeout_interval = atoi (optarg);
break;
n_addresses++;
if (n_addresses > max_addr) {
max_addr *= 2;
- addresses = realloc (addresses, max_addr);
+ addresses = realloc (addresses, sizeof(char*) * max_addr);
if (addresses == NULL)
- terminate (STATE_UNKNOWN, _("Could not realloc() addresses\n"));
+ die (STATE_UNKNOWN, _("Could not realloc() addresses\n"));
}
addresses[n_addresses-1] = ptr;
if ((ptr = index (ptr, ','))) {
if (addresses[0] == NULL) {
if (is_host (argv[c]) == FALSE) {
- printf (_("Invalid host name/address: %s\n\n"), argv[c]);
- return ERROR;
+ usage2 (_("Invalid hostname/address"), argv[c]);
} else {
addresses[0] = argv[c++];
+ n_addresses++;
if (c == argc)
return validate_arguments ();
}
}
}
- if (wrta == UNKNOWN_TRIP_TIME) {
+ if (wrta < 0.0) {
if (is_negative (argv[c])) {
printf (_("<wrta> (%s) must be a non-negative number\n"), argv[c]);
return ERROR;
}
}
- if (crta == UNKNOWN_TRIP_TIME) {
+ if (crta < 0.0) {
if (is_negative (argv[c])) {
printf (_("<crta> (%s) must be a non-negative number\n"), argv[c]);
return ERROR;
if (max_packets == -1) {
if (is_intnonneg (argv[c])) {
max_packets = atoi (argv[c++]);
- } else {
+ } else {
printf (_("<max_packets> (%s) must be a non-negative number\n"), argv[c]);
return ERROR;
}
return validate_arguments ();
}
+
+
int
get_threshold (char *arg, float *trta, int *tpl)
{
return STATE_UNKNOWN;
}
+
+
int
validate_arguments ()
{
float max_seconds;
int i;
- if (wrta == UNKNOWN_TRIP_TIME) {
+ if (wrta < 0.0) {
printf (_("<wrta> was not set\n"));
return ERROR;
}
- else if (crta == UNKNOWN_TRIP_TIME) {
+ else if (crta < 0.0) {
printf (_("<crta> was not set\n"));
return ERROR;
}
for (i=0; i<n_addresses; i++) {
if (is_host(addresses[i]) == FALSE)
- usage2 (_("Invalid host name/address"), addresses[i]);
+ usage2 (_("Invalid hostname/address"), addresses[i]);
}
return OK;
}
-\f
+
+
int
-run_ping (char *command_line, char *server_address)
+run_ping (const char *cmd, const char *addr)
{
char buf[MAX_INPUT_BUFFER];
int result = STATE_UNKNOWN;
- warn_text = malloc (1);
- if (warn_text == NULL)
- terminate (STATE_UNKNOWN, _("unable to malloc warn_text"));
- warn_text[0] = 0;
+ if ((child_process = spopen (cmd)) == NULL)
+ die (STATE_UNKNOWN, _("Cannot open pipe: %s"), cmd);
- if ((child_process = spopen (command_line)) == NULL) {
- printf (_("Cannot open pipe: "));
- terminate (STATE_UNKNOWN, command_line);
- }
child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
if (child_stderr == NULL)
- printf (_("Cannot open stderr for %s\n"), command_line);
+ printf (_("Cannot open stderr for %s\n"), cmd);
while (fgets (buf, MAX_INPUT_BUFFER - 1, child_process)) {
- if (strstr (buf, _("(DUP!)"))) {
- /* cannot use the max function since STATE_UNKNOWN is max
- result = max (result, STATE_WARNING); */
- if( !(result == STATE_CRITICAL) ){
- result = STATE_WARNING;
- }
-
- warn_text = realloc (warn_text, strlen (WARN_DUPLICATES) + 1);
- if (warn_text == NULL)
- terminate (STATE_UNKNOWN, _("unable to realloc warn_text"));
- strcpy (warn_text, WARN_DUPLICATES);
- }
+ 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%% loss, time",&pl)==1 ||
- sscanf(buf,"%*d packets transmitted, %*d 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)
continue;
/* get the round trip average */
if (pl == 100)
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));
- /* check stderr */
- while (fgets (buf, MAX_INPUT_BUFFER - 1, child_stderr)) {
- if (strstr(buf,"Warning: no SO_TIMESTAMP support, falling back to SIOCGSTAMP"))
- continue;
-
- if (strstr (buf, "Network is unreachable"))
- terminate (STATE_CRITICAL,
- _("PING CRITICAL - Network unreachable (%s)"),
- server_address);
- else if (strstr (buf, "Destination Host Unreachable"))
- terminate (STATE_CRITICAL,
- _("PING CRITICAL - Host Unreachable (%s)"),
- server_address);
- else if (strstr (buf, "unknown host" ))
- terminate (STATE_CRITICAL,
- _("PING CRITICAL - Host not found (%s)"),
- server_address);
-
- warn_text =
- realloc (warn_text, strlen (warn_text) + strlen (buf) + 2);
- if (warn_text == NULL)
- terminate (STATE_UNKNOWN, _("unable to realloc warn_text"));
- if (strlen (warn_text) == 0)
- strcpy (warn_text, buf);
- else
- sprintf (warn_text, "%s %s", warn_text, buf);
-
- if (strstr (buf, "DUPLICATES FOUND")) {
- if( !(result == STATE_CRITICAL) ){
- result = STATE_WARNING;
- }
- }
- else
- result = STATE_CRITICAL ;
- }
(void) fclose (child_stderr);
if (spclose (child_process))
result = max_state (result, STATE_WARNING);
+ if (warn_text == NULL)
+ warn_text = strdup("");
+
return result;
}
-void
-print_usage (void)
+
+int
+error_scan (char buf[MAX_INPUT_BUFFER], const char *addr)
{
- 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);
+ if (strstr (buf, "Network is 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, "unknown host" ))
+ die (STATE_CRITICAL, _("CRITICAL - Host not found (%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"));
+ return (STATE_WARNING);
+ }
+
+ return (STATE_OK);
}
+
+
void
print_help (void)
{
print_revision (progname, revision);
- printf (_("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>"));
- printf (_(COPYRIGHT), copyright, email);
+ printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>");
+ printf (COPYRIGHT, copyright, email);
printf (_("Use ping to check connection statistics for a remote host.\n\n"));
printf (_(UT_SUPPORT));
}
+
+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);
+}