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authorGravatar Benoit Mortier <opensides@users.sourceforge.net> 2005-11-14 00:51:44 +0000
committerGravatar Benoit Mortier <opensides@users.sourceforge.net> 2005-11-14 00:51:44 +0000
commitc68d99cee2d1b3de6a7e800440433a39a7436313 (patch)
treebecb58a009fd3b7016d16a44139f13d6f7b511d7 /plugins/check_dns.c
parent7741c005fa10be018264f17e685d5bde34bc92a3 (diff)
downloadmonitoring-plugins-c68d99cee2d1b3de6a7e800440433a39a7436313.tar.gz
start of the cleaning of the localization
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1282 f882894a-f735-0410-b71e-b25c423dba1c
Diffstat (limited to 'plugins/check_dns.c')
-rw-r--r--plugins/check_dns.c667
1 files changed, 348 insertions, 319 deletions
diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index d6e8ca29..faa1e150 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -23,7 +23,7 @@
const char *progname = "check_dns";
const char *revision = "$Revision$";
-const char *copyright = "2000-2004";
+const char *copyright = "2000-2005";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
#include "common.h"
@@ -49,156 +49,156 @@ int expect_authority = FALSE;
int
main (int argc, char **argv)
{
- char *command_line = NULL;
- char input_buffer[MAX_INPUT_BUFFER];
- char *address = NULL;
- char *msg = NULL;
- char *temp_buffer = NULL;
- int non_authoritative = FALSE;
- int result = STATE_UNKNOWN;
- double elapsed_time;
- long microsec;
- struct timeval tv;
- int multi_address;
- 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, popen_timeout_alarm_handler) == SIG_ERR) {
- usage_va(_("Cannot catch SIGALRM"));
- }
-
- if (process_arguments (argc, argv) == ERROR) {
- usage_va(_("Could not parse arguments"));
- }
-
- /* get the command to run */
- asprintf (&command_line, "%s %s %s", NSLOOKUP_COMMAND, 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 = (char *)_("nslookup returned error status");
- result = STATE_WARNING;
- }
-
- /* scan stdout */
- for(i = 0; i < chld_out.lines; i++) {
- if (verbose)
- puts(chld_out.line[i]);
-
- if (strstr (chld_out.line[i], ".in-addr.arpa")) {
- if ((temp_buffer = strstr (chld_out.line[i], "name = ")))
- address = strdup (temp_buffer + 7);
- else {
- msg = (char *)_("Warning plugin error");
- result = STATE_WARNING;
- }
- }
-
- /* the server is responding, we just got the host name... */
- if (strstr (chld_out.line[i], "Name:"))
- parse_address = TRUE;
- else if (parse_address == TRUE && (strstr (chld_out.line[i], "Address:") ||
- strstr (chld_out.line[i], "Addresses:"))) {
- temp_buffer = index (chld_out.line[i], ':');
- 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,
- _("DNS CRITICAL - '%s' returned empty host name string\n"),
- NSLOOKUP_COMMAND);
- }
-
- if (address == NULL)
- address = strdup (temp_buffer);
- else
- asprintf(&address, "%s,%s", address, temp_buffer);
- }
-
- else if (strstr (chld_out.line[i], _("Non-authoritative answer:"))) {
- non_authoritative = TRUE;
- }
-
- result = error_scan (chld_out.line[i]);
- if (result != STATE_OK) {
- msg = strchr (chld_out.line[i], ':');
- if(msg) msg++;
- break;
- }
- }
-
- /* 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(input_buffer, ':');
- if(msg) msg++;
- }
- }
-
- /* If we got here, we should have an address string,
- * and we can segfault if we do not */
- if (address==NULL || strlen(address)==0)
- die (STATE_CRITICAL,
- _("DNS CRITICAL - '%s' msg parsing exited with no address\n"),
- NSLOOKUP_COMMAND);
-
- /* compare to expected address */
- if (result == STATE_OK && match_expected_address && strcmp(address, expected_address)) {
- result = STATE_CRITICAL;
- asprintf(&msg, _("expected %s but got %s"), expected_address, address);
- }
-
- /* check if authoritative */
- if (result == STATE_OK && expect_authority && non_authoritative) {
- result = STATE_CRITICAL;
- asprintf(&msg, _("server %s is not authoritative for %s"), dns_server, query_address);
- }
-
- microsec = deltime (tv);
- elapsed_time = (double)microsec / 1.0e6;
-
- if (result == STATE_OK) {
- if (strchr (address, ',') == NULL)
- multi_address = FALSE;
- else
- multi_address = TRUE;
-
- printf ("DNS %s: ", _("OK"));
- printf (ngettext("%.3f second response time", "%.3f seconds response time", elapsed_time), elapsed_time);
- printf (_(". %s returns %s"), query_address, address);
- printf ("|%s\n", fperfdata ("time", elapsed_time, "s", FALSE, 0, FALSE, 0, TRUE, 0, FALSE, 0));
- }
- else if (result == STATE_WARNING)
- printf (_("DNS WARNING - %s\n"),
- !strcmp (msg, "") ? _(" Probably a non-existent host/domain") : msg);
- else if (result == STATE_CRITICAL)
- printf (_("DNS CRITICAL - %s\n"),
- !strcmp (msg, "") ? _(" Probably a non-existent host/domain") : msg);
- else
- printf (_("DNS UNKNOW - %s\n"),
- !strcmp (msg, "") ? _(" Probably a non-existent host/domain") : msg);
-
- return result;
+ char *command_line = NULL;
+ char input_buffer[MAX_INPUT_BUFFER];
+ char *address = NULL;
+ char *msg = NULL;
+ char *temp_buffer = NULL;
+ int non_authoritative = FALSE;
+ int result = STATE_UNKNOWN;
+ double elapsed_time;
+ long microsec;
+ struct timeval tv;
+ int multi_address;
+ 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, popen_timeout_alarm_handler) == SIG_ERR) {
+ usage_va(_("Cannot catch SIGALRM"));
+ }
+
+ if (process_arguments (argc, argv) == ERROR) {
+ usage_va(_("Could not parse arguments"));
+ }
+
+ /* get the command to run */
+ asprintf (&command_line, "%s %s %s", NSLOOKUP_COMMAND, 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 = (char *)_("nslookup returned an error status");
+ result = STATE_WARNING;
+ }
+
+ /* scan stdout */
+ for(i = 0; i < chld_out.lines; i++) {
+ if (verbose)
+ puts(chld_out.line[i]);
+
+ if (strstr (chld_out.line[i], ".in-addr.arpa")) {
+ if ((temp_buffer = strstr (chld_out.line[i], "name = ")))
+ address = strdup (temp_buffer + 7);
+ else {
+ msg = (char *)_("Warning plugin error");
+ result = STATE_WARNING;
+ }
+ }
+
+ /* the server is responding, we just got the host name... */
+ if (strstr (chld_out.line[i], "Name:"))
+ parse_address = TRUE;
+ else if (parse_address == TRUE && (strstr (chld_out.line[i], "Address:") ||
+ strstr (chld_out.line[i], "Addresses:"))) {
+ temp_buffer = index (chld_out.line[i], ':');
+ 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,
+ _("DNS CRITICAL - '%s' returned empty host name string\n"),
+ NSLOOKUP_COMMAND);
+ }
+
+ if (address == NULL)
+ address = strdup (temp_buffer);
+ else
+ asprintf(&address, "%s,%s", address, temp_buffer);
+ }
+
+ else if (strstr (chld_out.line[i], _("Non-authoritative answer:"))) {
+ non_authoritative = TRUE;
+ }
+
+ result = error_scan (chld_out.line[i]);
+ if (result != STATE_OK) {
+ msg = strchr (chld_out.line[i], ':');
+ if(msg) msg++;
+ break;
+ }
+ }
+
+ /* 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(input_buffer, ':');
+ if(msg) msg++;
+ }
+ }
+
+ /* If we got here, we should have an address string,
+ * and we can segfault if we do not */
+ if (address==NULL || strlen(address)==0)
+ die (STATE_CRITICAL,
+ _("DNS CRITICAL - '%s' msg parsing exited with no address\n"),
+ NSLOOKUP_COMMAND);
+
+ /* compare to expected address */
+ if (result == STATE_OK && match_expected_address && strcmp(address, expected_address)) {
+ result = STATE_CRITICAL;
+ asprintf(&msg, _("expected %s but got %s"), expected_address, address);
+ }
+
+ /* check if authoritative */
+ if (result == STATE_OK && expect_authority && non_authoritative) {
+ result = STATE_CRITICAL;
+ asprintf(&msg, _("server %s is not authoritative for %s"), dns_server, query_address);
+ }
+
+ microsec = deltime (tv);
+ elapsed_time = (double)microsec / 1.0e6;
+
+ if (result == STATE_OK) {
+ if (strchr (address, ',') == NULL)
+ multi_address = FALSE;
+ else
+ multi_address = TRUE;
+
+ printf ("DNS %s: ", _("OK"));
+ printf (ngettext("%.3f second response time", "%.3f seconds response time", elapsed_time), elapsed_time);
+ printf (_(". %s returns %s"), query_address, address);
+ printf ("|%s\n", fperfdata ("time", elapsed_time, "s", FALSE, 0, FALSE, 0, TRUE, 0, FALSE, 0));
+ }
+ else if (result == STATE_WARNING)
+ printf (_("DNS WARNING - %s\n"),
+ !strcmp (msg, "") ? _(" Probably a non-existent host/domain") : msg);
+ else if (result == STATE_CRITICAL)
+ printf (_("DNS CRITICAL - %s\n"),
+ !strcmp (msg, "") ? _(" Probably a non-existent host/domain") : msg);
+ else
+ printf (_("DNS UNKNOW - %s\n"),
+ !strcmp (msg, "") ? _(" Probably a non-existent host/domain") : msg);
+
+ return result;
}
@@ -207,56 +207,56 @@ int
error_scan (char *input_buffer)
{
- /* the DNS lookup timed out */
- 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;
-
- /* DNS server is not running... */
- else if (strstr (input_buffer, "No response from server"))
- die (STATE_CRITICAL, _("No response from DNS %s\n"), dns_server);
-
- /* Host name is valid, but server doesn't have records... */
- else if (strstr (input_buffer, "No records"))
- die (STATE_CRITICAL, _("DNS %s has no records\n"), dns_server);
-
- /* Connection was refused */
- else if (strstr (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, _("Connection to DNS %s was refused\n"), dns_server);
-
- /* Query refused (usually by an ACL in the namserver) */
- else if (strstr (input_buffer, "Query refused"))
- die (STATE_CRITICAL, _("Query was refused by DNS server at %s\n"), dns_server);
-
- /* No information (e.g. nameserver IP has two PTR records) */
- else if (strstr (input_buffer, "No information"))
- die (STATE_CRITICAL, _("No information returned by DNS server at %s\n"), 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, _("Domain %s was not found by the server\n"), query_address);
-
- /* Network is unreachable */
- else if (strstr (input_buffer, "Network is unreachable"))
- die (STATE_CRITICAL, _("Network is unreachable\n"));
-
- /* Internal server failure */
- else if (strstr (input_buffer, "Server failure"))
- die (STATE_CRITICAL, _("DNS failure for %s\n"), 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;
+ /* the DNS lookup timed out */
+ 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;
+
+ /* DNS server is not running... */
+ else if (strstr (input_buffer, "No response from server"))
+ die (STATE_CRITICAL, _("No response from DNS %s\n"), dns_server);
+
+ /* Host name is valid, but server doesn't have records... */
+ else if (strstr (input_buffer, "No records"))
+ die (STATE_CRITICAL, _("DNS %s has no records\n"), dns_server);
+
+ /* Connection was refused */
+ else if (strstr (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, _("Connection to DNS %s was refused\n"), dns_server);
+
+ /* Query refused (usually by an ACL in the namserver) */
+ else if (strstr (input_buffer, "Query refused"))
+ die (STATE_CRITICAL, _("Query was refused by DNS server at %s\n"), dns_server);
+
+ /* No information (e.g. nameserver IP has two PTR records) */
+ else if (strstr (input_buffer, "No information"))
+ die (STATE_CRITICAL, _("No information returned by DNS server at %s\n"), 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, _("Domain %s was not found by the server\n"), query_address);
+
+ /* Network is unreachable */
+ else if (strstr (input_buffer, "Network is unreachable"))
+ die (STATE_CRITICAL, _("Network is unreachable\n"));
+
+ /* Internal server failure */
+ else if (strstr (input_buffer, "Server failure"))
+ die (STATE_CRITICAL, _("DNS failure for %s\n"), 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;
}
@@ -265,148 +265,177 @@ error_scan (char *input_buffer)
int
process_arguments (int argc, char **argv)
{
- int c;
-
- 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'},
- {"expected-address", required_argument, 0, 'a'},
- {"expect-authority", no_argument, 0, 'A'},
- {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, "hVvAt:H:s:r:a:", long_opts, &opt_index);
-
- if (c == -1 || c == EOF)
- break;
-
- switch (c) {
- case 'h': /* help */
- print_help ();
- exit (STATE_OK);
- case 'V': /* version */
- print_revision (progname, revision);
- exit (STATE_OK);
- case 'v': /* version */
- verbose = TRUE;
- break;
- case 't': /* timeout period */
- timeout_interval = atoi (optarg);
- break;
- case 'H': /* hostname */
- if (strlen (optarg) >= ADDRESS_LENGTH)
- die (STATE_UNKNOWN, _("Input buffer overflow\n"));
- strcpy (query_address, optarg);
- break;
- case 's': /* server name */
- /* 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, _("Input buffer overflow\n"));
- strcpy (dns_server, optarg);
- break;
- case 'r': /* reverse server name */
- /* TODO: Is this host_or_die necessary? */
- host_or_die(optarg);
- if (strlen (optarg) >= ADDRESS_LENGTH)
- die (STATE_UNKNOWN, _("Input buffer overflow\n"));
- strcpy (ptr_server, optarg);
- break;
- case 'a': /* expected address */
- if (strlen (optarg) >= ADDRESS_LENGTH)
- die (STATE_UNKNOWN, _("Input buffer overflow\n"));
- strcpy (expected_address, optarg);
- match_expected_address = TRUE;
- break;
- case 'A': /* expect authority */
- expect_authority = TRUE;
- break;
- default: /* args not parsable */
- usage_va(_("Unknown argument - %s"), optarg);
- }
- }
-
- c = optind;
- if (strlen(query_address)==0 && c<argc) {
- if (strlen(argv[c])>=ADDRESS_LENGTH)
- die (STATE_UNKNOWN, _("Input buffer overflow\n"));
- strcpy (query_address, argv[c++]);
- }
-
- if (strlen(dns_server)==0 && c<argc) {
- /* TODO: See -s option */
- host_or_die(argv[c]);
- if (strlen(argv[c]) >= ADDRESS_LENGTH)
- die (STATE_UNKNOWN, _("Input buffer overflow\n"));
- strcpy (dns_server, argv[c++]);
- }
-
- return validate_arguments ();
+ int c;
+
+ 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'},
+ {"expected-address", required_argument, 0, 'a'},
+ {"expect-authority", no_argument, 0, 'A'},
+ {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, "hVvAt:H:s:r:a:", long_opts, &opt_index);
+
+ if (c == -1 || c == EOF)
+ break;
+
+ switch (c) {
+ case 'h': /* help */
+ print_help ();
+ exit (STATE_OK);
+ case 'V': /* version */
+ print_revision (progname, revision);
+ exit (STATE_OK);
+ case 'v': /* version */
+ verbose = TRUE;
+ break;
+ case 't': /* timeout period */
+ timeout_interval = atoi (optarg);
+ break;
+ case 'H': /* hostname */
+ if (strlen (optarg) >= ADDRESS_LENGTH)
+ die (STATE_UNKNOWN, _("Input buffer overflow\n"));
+ strcpy (query_address, optarg);
+ break;
+ case 's': /* server name */
+ /* 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, _("Input buffer overflow\n"));
+ strcpy (dns_server, optarg);
+ break;
+ case 'r': /* reverse server name */
+ /* TODO: Is this host_or_die necessary? */
+ host_or_die(optarg);
+ if (strlen (optarg) >= ADDRESS_LENGTH)
+ die (STATE_UNKNOWN, _("Input buffer overflow\n"));
+ strcpy (ptr_server, optarg);
+ break;
+ case 'a': /* expected address */
+ if (strlen (optarg) >= ADDRESS_LENGTH)
+ die (STATE_UNKNOWN, _("Input buffer overflow\n"));
+ strcpy (expected_address, optarg);
+ match_expected_address = TRUE;
+ break;
+ case 'A': /* expect authority */
+ expect_authority = TRUE;
+ break;
+ default: /* args not parsable */
+ usage_va(_("Unknown argument - %s"), optarg);
+ }
+ }
+
+ c = optind;
+ if (strlen(query_address)==0 && c<argc) {
+ if (strlen(argv[c])>=ADDRESS_LENGTH)
+ die (STATE_UNKNOWN, _("Input buffer overflow\n"));
+ strcpy (query_address, argv[c++]);
+ }
+
+ if (strlen(dns_server)==0 && c<argc) {
+ /* TODO: See -s option */
+ host_or_die(argv[c]);
+ if (strlen(argv[c]) >= ADDRESS_LENGTH)
+ die (STATE_UNKNOWN, _("Input buffer overflow\n"));
+ strcpy (dns_server, argv[c++]);
+ }
+
+ return validate_arguments ();
}
int
validate_arguments ()
{
- if (query_address[0] == 0)
- return ERROR;
+ if (query_address[0] == 0)
+ return ERROR;
- return OK;
+ return OK;
}
void
print_help (void)
{
- print_revision (progname, revision);
+ print_revision (progname, revision);
- printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
- printf (COPYRIGHT, copyright, email);
+ printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
+ printf (COPYRIGHT, copyright, email);
- printf (_("\
-This plugin uses the nslookup program to obtain the IP address\n\
-for the given host/domain query. A optional DNS server to use may\n\
-be specified. If no DNS server is specified, the default server(s)\n\
-specified in /etc/resolv.conf will be used.\n\n"));
+ printf (_("This plugin uses the nslookup program to obtain the IP address for the given host/domain query."));
+
+ printf ("\n");
+
+ printf (_("An optional DNS server to use may be specified."));
+
+ printf ("\n");
- print_usage ();
+ printf (_("If no DNS server is specified, the default server(s)specified in /etc/resolv.conf will be used."));
- printf (_(UT_HELP_VRSN));
+ printf ("\n\n");
- printf (_("\
--H, --hostname=HOST\n\
- The name or address you want to query\n\
--s, --server=HOST\n\
- Optional DNS server you want to use for the lookup\n\
--a, --expected-address=IP-ADDRESS\n\
- Optional IP address you expect the DNS server to return\n\
--A, --expect-authority\n\
- Optionally expect the DNS server to be authoritative for the lookup\n"));
+ print_usage ();
- printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
+ printf (_(UT_HELP_VRSN));
- printf (_(UT_SUPPORT));
+ printf (" -H, --hostname=HOST");
+
+ printf ("\n");
+
+ printf (_("the name or address you want to query"));
+
+ printf ("\n");
+
+ printf (" -s, --server=HOST");
+
+ printf ("\n");
+
+ printf (_("optional DNS server you want to use for the lookup"));
+
+ printf ("\n");
+
+ printf (" -a, --expected-address=IP-ADDRESS");
+
+ printf ("\n");
+
+ printf (_("optional IP address you expect the DNS server to return"));
+
+ printf ("\n");
+
+ printf (" -A, --expect-authority");
+
+ printf ("\n");
+
+ printf (_("optionally expect the DNS server to be authoritative for the lookup"));
+
+ printf ("\n");
+
+ printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
+
+ printf (_(UT_SUPPORT));
}
void
print_usage (void)
{
- printf ("\
-Usage: %s -H host [-s server] [-a expected-address] [-A] [-t timeout]\n", progname);
+ printf (_("Usage:"));
+
+ printf ("%s -H host [-s server] [-a expected-address] [-A] [-t timeout]\n", progname);
}