Sindbad~EG File Manager
/*****************************************************************************
*
* Nagios check_dns plugin
*
* License: GPL
* Copyright (c) 2000-2018 Nagios Plugins Development Team
*
* Description:
*
* This file contains the check_dns plugin
*
* LIMITATION: nslookup on Solaris 7 can return output over 2 lines, which
* will not be picked up by this plugin
*
*
* 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/>.
*
*
*****************************************************************************/
#define IF_RECORD(label, querytype, verb_str, comp_str) if (strstr (chld_out.line[i], label) && (strncmp(query_type, querytype, query_size) == 0 || strncmp(query_type, "-querytype=ANY", query_size) == 0)) { \
if (verbose) { \
printf(verb_str); \
} \
temp_buffer = rindex (chld_out.line[i], comp_str); \
addresses[n_addresses++] = check_new_address(temp_buffer); \
memset(query_found, '\0', sizeof(query_found)); \
strncpy(query_found, querytype, sizeof(query_found));
const char *progname = "check_dns";
const char *copyright = "2000-2018";
const char *email = "devel@nagios-plugins.org";
#include "common.h"
#include "utils.h"
#include "utils_base.h"
#include "netutils.h"
#include "runcmd.h"
int process_arguments (int, char **);
int validate_arguments (void);
int error_scan (char *);
void print_help (void);
void print_usage (void);
/* Allow up to 4096 input length, this is helpful
when the TXT records returned have multiple 255 legth values returned */
#define ADDRESS_LENGTH 4096
char query_address[ADDRESS_LENGTH] = "";
char dns_server[ADDRESS_LENGTH] = "";
char tmp_dns_server[ADDRESS_LENGTH] = "";
char ptr_server[ADDRESS_LENGTH] = "";
char query_type[16] = "";
int query_set = FALSE;
int verbose = FALSE;
char **expected_address = NULL;
int expected_address_cnt = 0;
int expect_authority = FALSE;
int accept_cname = FALSE;
thresholds *time_thresholds = NULL;
static int
qstrcmp(const void *p1, const void *p2)
{
/* The actual arguments to this function are "pointers to
pointers to char", but strcmp() arguments are "pointers
to char", hence the following cast plus dereference */
return strcmp(* (char * const *) p1, * (char * const *) p2);
}
char *
check_new_address(char *temp_buffer)
{
temp_buffer++;
/* Strip leading spaces */
for (; *temp_buffer != '\0' && *temp_buffer == ' '; temp_buffer++) {
/* NOOP */;
}
strip(temp_buffer);
if (temp_buffer==NULL || strlen(temp_buffer)==0) {
die (STATE_CRITICAL, "%s%s%s\n", _("DNS CRITICAL - '"), NSLOOKUP_COMMAND, _("' returned empty host name string"));
}
return temp_buffer;
}
int
main (int argc, char **argv)
{
char *command_line = NULL;
char input_buffer[MAX_INPUT_BUFFER];
char *address = NULL; /* comma separated str with addrs/ptrs (sorted) */
char **addresses = NULL;
int n_addresses = 0;
char *msg = NULL;
char query_found[24] = "";
int query_size = 24;
char *temp_buffer = NULL;
int non_authoritative = FALSE;
int result = STATE_UNKNOWN;
double elapsed_time;
long microsec;
struct timeval tv;
int parse_address = FALSE; /* This flag scans for Address: but only after Name: */
output chld_out, chld_err;
size_t i;
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
/* Set signal handling and alarm */
if (signal (SIGALRM, runcmd_timeout_alarm_handler) == SIG_ERR) {
usage_va(_("Cannot catch SIGALRM"));
}
/* Parse extra opts if any */
argv=np_extra_opts (&argc, argv, progname);
if (process_arguments (argc, argv) == ERROR) {
usage_va(_("Could not parse arguments"));
}
/* get the command to run */
xasprintf (&command_line, "%s %s %s %s", NSLOOKUP_COMMAND, query_type, query_address, dns_server);
alarm (timeout_interval);
gettimeofday (&tv, NULL);
if (verbose) {
printf ("%s\n", command_line);
}
/* run the command */
if((np_runcmd(command_line, &chld_out, &chld_err, 0)) != 0) {
msg = strdup(_("nslookup returned an error status"));
result = STATE_WARNING;
}
/* scan stdout */
for(i = 0; i < chld_out.lines; i++) {
if (addresses == NULL) {
addresses = malloc(sizeof(*addresses)*10);
}
else if (!(n_addresses % 10)) {
addresses = realloc(addresses,sizeof(*addresses) * (n_addresses + 10));
}
if (verbose) {
puts(chld_out.line[i]);
}
/* bug ID: 2946553 - Older versions of bind will use all available dns
+ servers, we have to match the one specified */
if (strlen(dns_server) > 0 && strstr(chld_out.line[i], "Server:")) {
temp_buffer = strchr(chld_out.line[i], ':');
temp_buffer++;
if (temp_buffer > (char *)1) {
/* Strip leading tabs */
for (; *temp_buffer != '\0' && *temp_buffer == '\t'; temp_buffer++) {
/* NOOP */;
}
strip(temp_buffer);
if (temp_buffer==NULL || strlen(temp_buffer)==0) {
die (STATE_CRITICAL, "%s%s%s\n", _("DNS CRITICAL - '"), NSLOOKUP_COMMAND, _("' returned empty server string"));
}
if (strcmp(temp_buffer, dns_server) != 0) {
die (STATE_CRITICAL, "%s %s\n", _("DNS CRITICAL - No response from DNS server:"), dns_server);
}
}
}
/* Provide the server name\ip to error_scan when not using -s */
else if (strlen(tmp_dns_server) == 0) {
temp_buffer = strchr(chld_out.line[i], ':');
temp_buffer++;
if (temp_buffer > (char *)1) {
/* Strip leading tabs */
for (; *temp_buffer != '\0' && *temp_buffer == '\t'; temp_buffer++) {
/* NOOP */;
}
strip(temp_buffer);
strncpy(tmp_dns_server, temp_buffer, ADDRESS_LENGTH);
}
}
if (strstr (chld_out.line[i], "Authoritative answers can be found from:")) {
break;
}
/* the server is responding, we just got the host name...*/
if (strstr (chld_out.line[i], "Name:")) {
parse_address = TRUE;
}
/* begin handling types of records */
IF_RECORD("AAAA address", "-querytype=AAAA", "Found AAAA record\n", ' ') }
else IF_RECORD("exchanger =", "-querytype=MX", "Found MX record\n", '=') }
else IF_RECORD("service =", "-querytype=SRV", "Found SRV record\n", ' ') }
else IF_RECORD("nameserver =", "-querytype=NS", "Found NS record\n", ' ') }
else IF_RECORD("dname =", "-querytype=DNAME", "Found DNAME record\n", ' ') }
else IF_RECORD("protocol =", "-querytype=WKS", "Found WKS record\n", ' ') }
else if (strstr (chld_out.line[i], "text =") && (strncmp(query_type, "-querytype=TXT", query_size) == 0 || strncmp(query_type, "-querytype=ANY", query_size) == 0)) {
if (verbose) {
printf("Found TXT record\n");
}
temp_buffer = index(chld_out.line[i], '"');
--temp_buffer;
addresses[n_addresses++] = check_new_address(temp_buffer);
memset(query_found, '\0', sizeof(query_found));
strncpy(query_found, "-querytype=TXT", sizeof(query_found));
}
/* only matching for origin records, if requested other fields could be included at a later date */
else IF_RECORD("origin =", "-querytype=SOA", "Found SOA record\n", ' ') }
/* cnames cannot use macro as we must check for accepting them separately */
else if (accept_cname && strstr (chld_out.line[i], "canonical name =") && (strncmp(query_type, "-querytype=CNAME", query_size) == 0 || strncmp(query_type, "-querytype=ANY", query_size) == 0)) {
if (verbose) {
printf("Found CNAME record\n");
}
temp_buffer = index (chld_out.line[i], '=');
addresses[n_addresses++] = check_new_address(temp_buffer);
strncpy(query_found, "-querytype=CNAME", sizeof(query_found));
}
/* does not need strncmp as we want A at all times unless another record match */
else if (parse_address == TRUE && (strstr (chld_out.line[i], "Address:") || strstr (chld_out.line[i], "Addresses:"))) {
temp_buffer = index (chld_out.line[i], ':');
char *temp_address = check_new_address(temp_buffer);
addresses[n_addresses++] = temp_address;
/* Bind 9.11.x onwards reports AAAA records the same as A records */
/* It is assumed that nslookup returns a valid IPv4 or IPv6 address */
/* Hence we'll look for a colon : in the address to detect an IPv6 address */
if (strstr(temp_address, ":")) {
if (verbose) {
printf("Found AAAA record\n");
}
strncpy(query_found, "-querytype=AAAA", sizeof(query_found));
}
else {
if (verbose) {
printf("Found A record\n");
}
strncpy(query_found, "-querytype=A", sizeof(query_found));
}
}
/* must be after other records with "name" as an identifier, as ptr does not spefify */
else IF_RECORD("name =", "-querytype=PTR", "Found PTR record\n", ' ') }
/* needed for non-query ptr\reverse lookup checks */
else if (strstr(chld_out.line[i], ".in-addr.arpa") && !query_set) {
if ((temp_buffer = strstr(chld_out.line[i], "name = "))) {
addresses[n_addresses++] = strdup(temp_buffer);
}
else {
xasprintf(&msg, "%s %s %s %s", _("Warning plugin error"));
result = STATE_WARNING;
}
}
if (strstr (chld_out.line[i], _("Non-authoritative answer:"))) {
non_authoritative = TRUE;
}
int tmp = error_scan(chld_out.line[i]);
if (result == STATE_UNKNOWN || result < tmp) {
result = tmp;
if (result != STATE_OK) {
msg = strchr (chld_out.line[i], ':');
if (msg) {
msg++;
}
else {
msg = chld_out.line[i];
}
break;
}
}
} /*This is the end of the scan stdout loop */
/* scan stderr */
for(i = 0; i < chld_err.lines; i++) {
if (verbose) {
puts(chld_err.line[i]);
}
if (error_scan (chld_err.line[i]) != STATE_OK) {
result = max_state (result, error_scan (chld_err.line[i]));
msg = strchr(chld_err.line[i], ':');
if(msg) {
msg++;
}
else {
msg = chld_err.line[i];
}
}
}
if (addresses) {
int i,slen;
char *adrp;
qsort(addresses, n_addresses, sizeof(*addresses), qstrcmp);
for(i=0, slen=1; i < n_addresses; i++) {
slen += strlen(addresses[i])+1;
}
adrp = address = malloc(slen);
for(i=0; i < n_addresses; i++) {
if (i) *adrp++ = ',';
strcpy(adrp, addresses[i]);
adrp += strlen(addresses[i]);
}
*adrp = 0;
}
else {
die (STATE_CRITICAL, "%s%s%s\n", _("DNS CRITICAL - '"), NSLOOKUP_COMMAND, _("' msg parsing exited with no address"));
}
/* compare to expected address */
if (result == STATE_OK && expected_address_cnt > 0) {
result = STATE_CRITICAL;
temp_buffer = "";
for (i=0; i<expected_address_cnt; i++) {
/* check if we get a match and prepare an error string */
if (strcasecmp(address, expected_address[i]) == 0) result = STATE_OK;
xasprintf(&temp_buffer, "%s%s; ", temp_buffer, expected_address[i]);
}
if (result == STATE_CRITICAL) {
/* Strip off last semicolon... */
temp_buffer[strlen(temp_buffer)-2] = '\0';
xasprintf(&msg, "%s%s%s%s%s", _("expected '"), temp_buffer, _("' but got '"), address, "'");
}
}
/* check if authoritative */
if (result == STATE_OK && expect_authority && non_authoritative) {
result = STATE_CRITICAL;
if (strncmp(dns_server, "", 1)) {
xasprintf(&msg, "%s %s %s %s", _("server"), dns_server, _("is not authoritative for"), query_address);
}
else {
xasprintf(&msg, "%s %s", _("there is no authoritative server for"), query_address);
}
}
/* compare query type to query found, if query type is ANY we can skip as any record is accepted*/
if (result == STATE_OK && strncmp(query_type, "", 1) && (strncmp(query_type, "-querytype=ANY", 15) != 0)) {
if (strncmp(query_type, query_found, 16) != 0) {
if (verbose) {
printf( "%s %s %s %s %s\n", _("Failed query for"), query_type, _("only found"), query_found, _(", or nothing"));
}
result = STATE_CRITICAL;
xasprintf(&msg, "%s %s %s %s", _("query type of"), query_type, _("was not found for"), query_address);
}
}
microsec = deltime (tv);
elapsed_time = (double)microsec / 1.0e6;
if (result == STATE_OK) {
result = get_status(elapsed_time, time_thresholds);
if (result == STATE_OK) {
printf ("%s %s: ", _("DNS"), _("OK"));
}
else if (result == STATE_WARNING) {
printf ("%s %s: ", _("DNS"), _("WARNING"));
}
else if (result == STATE_CRITICAL) {
printf ("%s %s: ", _("DNS"), _("CRITICAL"));
}
printf (ngettext("%.3f second response time", "%.3f seconds response time", elapsed_time), elapsed_time);
printf (". %s %s %s", query_address, _("returns"), address);
if ((time_thresholds->warning != NULL) && (time_thresholds->critical != NULL)) {
printf ("|%s\n", fperfdata ("time", elapsed_time, "s",
TRUE, time_thresholds->warning->end,
TRUE, time_thresholds->critical->end,
TRUE, 0, FALSE, 0));
}
else if ((time_thresholds->warning == NULL) && (time_thresholds->critical != NULL)) {
printf ("|%s\n", fperfdata ("time", elapsed_time, "s",
FALSE, 0,
TRUE, time_thresholds->critical->end,
TRUE, 0, FALSE, 0));
}
else if ((time_thresholds->warning != NULL) && (time_thresholds->critical == NULL)) {
printf ("|%s\n", fperfdata ("time", elapsed_time, "s",
TRUE, time_thresholds->warning->end,
FALSE, 0,
TRUE, 0, FALSE, 0));
}
else {
printf ("|%s\n", fperfdata ("time", elapsed_time, "s", FALSE, 0, FALSE, 0, TRUE, 0, FALSE, 0));
}
}
else if (result == STATE_WARNING) {
printf ("%s %s\n", _("DNS WARNING -"), !strcmp (msg, "") ? _("Probably a non-existent host/domain") : msg);
}
else if (result == STATE_CRITICAL) {
printf ("%s %s\n", _("DNS CRITICAL -"), !strcmp (msg, "") ? _("Probably a non-existent host/domain") : msg);
}
else {
printf ("%s %s\n", _("DNS UNKNOWN -"), !strcmp (msg, "") ? _("Probably a non-existent host/domain") : msg);
}
return result;
}
int
error_scan (char *input_buffer)
{
if (strstr (input_buffer, _("Note: nslookup is deprecated and may be removed from future releases.")) ||
strstr (input_buffer, _("Consider using the `dig' or `host' programs instead. Run nslookup with")) ||
strstr (input_buffer, _("the `-sil[ent]' option to prevent this message from appearing.")))
{
return STATE_OK;
}
/* the DNS lookup timed out */
else if (strcasestr (input_buffer, "connection timed out")) {
die (STATE_CRITICAL, "%s %s %s\n", _("Connection to DNS"), (strlen(dns_server)==0)?tmp_dns_server:dns_server, _("timed out"));
}
/* DNS server is not running... */
else if (strstr (input_buffer, "No response from server")) {
die (STATE_CRITICAL, "%s %s\n", _("No response from DNS"), (strlen(dns_server)==0)?tmp_dns_server:dns_server);
}
/* Host name is valid, but server doesn't have records... */
else if (strstr (input_buffer, "No records") || strstr (input_buffer, "No answer")) {
die (STATE_CRITICAL, "%s %s %s\n", _("DNS"), (strlen(dns_server)==0)?tmp_dns_server:dns_server, _("has no records"));
}
/* Connection was refused */
else if (strcasestr (input_buffer, "Connection refused") ||
strstr (input_buffer, "Couldn't find server") ||
strstr (input_buffer, "Refused") ||
(strstr (input_buffer, "** server can't find") &&
strstr (input_buffer, ": REFUSED")))
{
die (STATE_CRITICAL, "%s %s %s\n", _("Connection to DNS"), (strlen(dns_server)==0)?tmp_dns_server:dns_server, _("was refused"));
}
/* Query refused (usually by an ACL in the namserver) */
else if (strstr (input_buffer, "Query refused")) {
die (STATE_CRITICAL, "%s %s\n", _("Query was refused by DNS server at"), (strlen(dns_server)==0)?tmp_dns_server:dns_server);
}
/* No information (e.g. nameserver IP has two PTR records) */
else if (strstr (input_buffer, "No information")) {
die (STATE_CRITICAL, "%s %s\n", _("No information returned by DNS server at"), (strlen(dns_server)==0)?tmp_dns_server:dns_server);
}
/* Host or domain name does not exist */
else if (strstr (input_buffer, "Non-existent") ||
strstr (input_buffer, "** server can't find") ||
strstr (input_buffer,"NXDOMAIN"))
{
die (STATE_CRITICAL, "%s %s %s\n", _("Domain"), query_address, _("was not found by the server"));
}
/* Network is unreachable */
else if (strstr (input_buffer, "Network is unreachable")) {
die (STATE_CRITICAL, "%s\n", _("Network is unreachable"));
}
/* Internal server failure */
else if (strstr (input_buffer, "Server failure")) {
die (STATE_CRITICAL, "%s %s\n", _("DNS failure for"), (strlen(dns_server)==0)?tmp_dns_server:dns_server);
}
/* Request error or the DNS lookup timed out */
else if (strstr (input_buffer, "Format error") ||
strstr (input_buffer, "Timed out"))
{
return STATE_WARNING;
}
return STATE_OK;
}
/* process command-line arguments */
int
process_arguments (int argc, char **argv)
{
int c;
char *warning = NULL;
char *critical = NULL;
int opt_index = 0;
static struct option long_opts[] = {
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"verbose", no_argument, 0, 'v'},
{"timeout", required_argument, 0, 't'},
{"hostname", required_argument, 0, 'H'},
{"server", required_argument, 0, 's'},
{"reverse-server", required_argument, 0, 'r'},
{"querytype", required_argument, 0, 'q'},
{"expected-address", required_argument, 0, 'a'},
{"expect-authority", no_argument, 0, 'A'},
{"accept-cname", no_argument, 0, 'n'},
{"warning", required_argument, 0, 'w'},
{"critical", required_argument, 0, 'c'},
{0, 0, 0, 0}
};
if (argc < 2) {
return ERROR;
}
for (c = 1; c < argc; c++) {
if (strcmp ("-to", argv[c]) == 0) {
strcpy (argv[c], "-t");
}
}
while (1) {
c = getopt_long (argc, argv, "hVvAnt:H:s:r:a:q:w:c:", long_opts, &opt_index);
if (c == -1 || c == EOF) {
break;
}
switch (c) {
/* help */
case 'h':
print_help ();
exit (STATE_OK);
/* version */
case 'V':
print_revision (progname, NP_VERSION);
exit (STATE_OK);
/* verbose */
case 'v':
verbose = TRUE;
break;
/* timeout period */
case 't':
timeout_interval = parse_timeout_string (optarg);
break;
/* hostname */
case 'H':
if (strlen (optarg) >= ADDRESS_LENGTH) {
die (STATE_UNKNOWN, "%s\n", _("Input buffer overflow"));
}
strcpy (query_address, optarg);
break;
/* server name */
case 's':
/* TODO: this host_or_die check is probably unnecessary.
* Better to confirm nslookup response matches */
host_or_die(optarg);
if (strlen (optarg) >= ADDRESS_LENGTH) {
die (STATE_UNKNOWN, "%s\n", _("Input buffer overflow"));
}
strcpy (dns_server, optarg);
break;
/* reverse server name */
case 'r':
/* TODO: Is this host_or_die necessary? */
host_or_die(optarg);
if (strlen (optarg) >= ADDRESS_LENGTH) {
die (STATE_UNKNOWN, "%s\n", _("Input buffer overflow"));
}
strcpy (ptr_server, optarg);
break;
/* expected address */
case 'a':
if (strlen (optarg) >= ADDRESS_LENGTH) {
die (STATE_UNKNOWN, "%s\n", _("Input buffer overflow"));
}
expected_address = (char **)realloc(expected_address, (expected_address_cnt+1) * sizeof(char*));
expected_address[expected_address_cnt] = strdup(optarg);
expected_address_cnt++;
break;
/* querytype -- A or AAAA or ANY or SRV or TXT, etc. */
case 'q':
if (strlen (optarg) < 1 || strlen (optarg) > 5) {
die (STATE_UNKNOWN, "%s\n", _("Missing valid querytype parameter. Try using 'A' or 'AAAA' or 'SRV' or 'ANY'"));
}
strntoupper(optarg, strlen(optarg));
strcpy(query_type, "-querytype=");
strcat(query_type, optarg);
query_set = TRUE;
/* logic is set such that we must accept cnames if they are querying for them */
if (strcmp(query_type, "-querytype=CNAME") != 0) {
break;
}
/* accept cname responses as a result */
case 'n':
accept_cname = TRUE;
break;
/* expect authority */
case 'A':
expect_authority = TRUE;
break;
case 'w':
warning = optarg;
break;
case 'c':
critical = optarg;
break;
/* args not parsable */
default:
usage5();
}
}
set_thresholds(&time_thresholds, warning, critical);
return validate_arguments ();
}
int
validate_arguments ()
{
if (query_address[0] == 0) {
return ERROR;
}
/* Bind 9.11.x onwards performs a query for both A and AAAA records */
/* The previous default behavior of nslookup was just A records. */
/* To ensure that exisitng users of this plugin do not get incorrect results */
/* set the querytype to A if it has not already been specified. */
/* If an end user wants both A and AAAA then they need to use ANY. */
if (strcmp(query_type, "") == 0) {
/*query_type = "-querytype=A";*/
strcpy(query_type, "-querytype=");
strcat(query_type, "A");
query_set = TRUE;
}
return OK;
}
void
print_help (void)
{
print_revision (progname, NP_VERSION);
printf ("%s\n", "Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>");
printf (COPYRIGHT, copyright, email);
printf ("%s\n", _("This plugin uses the nslookup program to obtain the IP address for the given host/domain query."));
printf ("%s\n", _("An optional DNS server to use may be specified."));
printf ("%s\n", _("If no DNS server is specified, the default server(s) specified in /etc/resolv.conf will be used."));
printf ("\n\n");
print_usage ();
printf (UT_HELP_VRSN);
printf (UT_EXTRA_OPTS);
printf ("%s\n", " -H, --hostname=HOST");
printf (" %s\n", _("The name or address you want to query"));
printf ("%s\n", " -s, --server=HOST");
printf (" %s\n", _("Optional DNS server you want to use for the lookup"));
printf ("%s\n", " -q, --querytype=TYPE");
printf (" %s\n", _("Optional DNS record query type where TYPE =(A, AAAA, SRV, TXT, MX, ANY)"));
printf (" %s\n", _("The default query type is 'A' (IPv4 host entry)"));
printf (" %s\n", _("BIND 9.11.x onwards supports both 'A' and 'AAAA', if you want both use 'ANY'"));
printf ("%s\n", " -a, --expected-address=IP-ADDRESS|HOST");
printf (" %s\n", _("Optional IP-ADDRESS you expect the DNS server to return. HOST must end with"));
printf (" %s\n", _("a dot (.). This option can be repeated multiple times (Returns OK if any"));
printf (" %s\n", _("value match). If multiple addresses are returned at once, you have to match"));
printf (" %s\n", _("the whole string of addresses separated with commas (sorted alphabetically)."));
printf (" %s\n", _("If you would like to test for the presence of a cname, combine with -n param."));
printf ("%s\n", " -A, --expect-authority");
printf (" %s\n", _("Optionally expect the DNS server to be authoritative for the lookup"));
printf ("%s\n", " -n, --accept-cname");
printf (" %s\n", _("Optionally accept cname responses as a valid result to a query"));
printf (" %s\n", _("The default is to ignore cname responses as part of the result"));
printf ("%s\n", " -w, --warning=seconds");
printf (" %s\n", _("Return warning if elapsed time exceeds value. Default off"));
printf ("%s\n", " -c, --critical=seconds");
printf (" %s\n", _("Return critical if elapsed time exceeds value. Default off"));
printf (UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
printf (UT_SUPPORT);
}
void
print_usage (void)
{
printf ("%s\n", _("Usage:"));
printf ("%s %s\n", progname, "-H host [-s server] [-q type ] [-a expected-address] [-A] [-n] [-t timeout] [-w warn] [-c crit]");
}
Sindbad File Manager Version 1.0, Coded By Sindbad EG ~ The Terrorists