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-rw-r--r--plugins/check_ping.c109
1 files changed, 54 insertions, 55 deletions
diff --git a/plugins/check_ping.c b/plugins/check_ping.c
index 9eff13c3..26c0192a 100644
--- a/plugins/check_ping.c
+++ b/plugins/check_ping.c
@@ -26,11 +26,13 @@ const char *email = "nagiosplug-devel@lists.sourceforge.net";
#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 *);
@@ -53,12 +55,16 @@ int verbose = FALSE;
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;
int result = STATE_UNKNOWN;
int this_result = STATE_UNKNOWN;
int i;
@@ -84,32 +90,32 @@ main (int argc, char **argv)
#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]);
+ asprintf (&cmd, PING6_COMMAND, max_packets, addresses[i]);
else
- asprintf (&command_line, PING_COMMAND, max_packets, addresses[i]);
+ asprintf (&cmd, PING_COMMAND, max_packets, addresses[i]);
# else
if (is_inet6_addr(addresses[i]) && address_family != AF_INET)
- asprintf (&command_line, PING6_COMMAND, addresses[i], max_packets);
+ asprintf (&cmd, PING6_COMMAND, addresses[i], max_packets);
else
- asprintf (&command_line, PING_COMMAND, addresses[i], max_packets);
+ asprintf (&cmd, PING_COMMAND, addresses[i], max_packets);
# endif
#else /* USE_IPV6 */
# ifdef PING_PACKETS_FIRST
- asprintf (&command_line, PING_COMMAND, max_packets, addresses[i]);
+ asprintf (&cmd, PING_COMMAND, max_packets, addresses[i]);
# else
- asprintf (&command_line, PING_COMMAND, addresses[i], max_packets);
+ asprintf (&cmd, PING_COMMAND, addresses[i], max_packets);
# endif
#endif /* USE_IPV6 */
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,
+ printf ("%s\n", cmd);
+ die (STATE_UNKNOWN,
_("Error: Could not interpret output from ping command\n"));
}
@@ -121,7 +127,7 @@ main (int argc, char **argv)
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]);
@@ -144,8 +150,12 @@ main (int argc, char **argv)
return result;
}
-
+
+
+
+
+
/* process command-line arguments */
int
process_arguments (int argc, char **argv)
@@ -213,7 +223,7 @@ process_arguments (int argc, char **argv)
max_addr *= 2;
addresses = realloc (addresses, 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, ','))) {
@@ -307,7 +317,7 @@ process_arguments (int argc, char **argv)
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;
}
@@ -375,40 +385,33 @@ validate_arguments ()
return OK;
}
-
+
+
+
+
+
int
-run_ping (char *command_line, char *server_address)
+run_ping (char *cmd, char *server_address)
{
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 (command_line)) == NULL) {
+ if ((child_process = spopen (cmd)) == NULL) {
printf (_("Cannot open pipe: "));
- terminate (STATE_UNKNOWN, command_line);
+ die (STATE_UNKNOWN, cmd);
}
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, STATE_WARNING);
+ warn_text = strdup (WARN_DUPLICATES);
+ if (!warn_text)
+ die (STATE_UNKNOWN, _("unable to realloc warn_text"));
}
/* get the percent loss statistics */
@@ -434,39 +437,31 @@ run_ping (char *command_line, char *server_address)
if (pl == 100)
rta = crta;
-
/* 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,
+ die (STATE_CRITICAL,
_("PING CRITICAL - Network unreachable (%s)"),
server_address);
else if (strstr (buf, "Destination Host Unreachable"))
- terminate (STATE_CRITICAL,
+ die (STATE_CRITICAL,
_("PING CRITICAL - Host Unreachable (%s)"),
server_address);
else if (strstr (buf, "unknown host" ))
- terminate (STATE_CRITICAL,
+ die (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);
+ warn_text = strdup (buf);
+ else if (asprintf (&warn_text, "%s %s", warn_text, buf) == -1)
+ die (STATE_UNKNOWN, _("unable to realloc warn_text"));
- if (strstr (buf, "DUPLICATES FOUND")) {
- if( !(result == STATE_CRITICAL) ){
- result = STATE_WARNING;
- }
- }
+ if (strstr (buf, "DUPLICATES FOUND"))
+ result = max_state (result, STATE_WARNING);
else
result = STATE_CRITICAL ;
}
@@ -481,6 +476,10 @@ run_ping (char *command_line, char *server_address)
}
+
+
+
+
void
print_usage (void)
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 12:48:01 +0000