diff options
| -rw-r--r-- | plugins/check_dns.c | 171 |
1 files changed, 86 insertions, 85 deletions
diff --git a/plugins/check_dns.c b/plugins/check_dns.c index f1071d8e..d7546106 100644 --- a/plugins/check_dns.c +++ b/plugins/check_dns.c @@ -47,15 +47,53 @@ #include "common.h" #include "popen.h" #include "utils.h" +#include "netutils.h" const char *progname = "check_dns"; -#define REVISION "$Revision$" -#define COPYRIGHT "2000-2002" +const char *revision = "$Revision$"; +const char *copyright = "2000-2003"; +const char *email = "nagiosplug-devel@lists.sourceforge.net"; + +void +print_usage (void) +{ + printf (_("\ +Usage: %s -H host [-s server] [-a expected-address] [-t timeout]\n\ + %s --help\n\ + %s --version\n"), + progname, progname, progname); +} + +void +print_help (void) +{ + print_revision (progname, revision); + + printf (_(COPYRIGHT), copyright, email); + + print_usage (); + + printf (_(HELP_VRSN)); + + 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")); + + printf (_(TIMEOUT), DEFAULT_SOCKET_TIMEOUT); + + printf (_("\n\ +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")); +} int process_arguments (int, char **); int validate_arguments (void); -void print_usage (void); -void print_help (void); int error_scan (char *); #define ADDRESS_LENGTH 256 @@ -81,7 +119,7 @@ main (int argc, char **argv) /* Set signal handling and alarm */ if (signal (SIGALRM, popen_timeout_alarm_handler) == SIG_ERR) { - printf ("Cannot catch SIGALRM"); + printf (_("Cannot catch SIGALRM")); return STATE_UNKNOWN; } @@ -101,13 +139,13 @@ main (int argc, char **argv) /* run the command */ child_process = spopen (command_line); if (child_process == NULL) { - printf ("Could not open pipe: %s\n", command_line); + 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); + printf (_("Could not open stderr for %s\n"), command_line); /* scan stdout */ while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) { @@ -119,7 +157,7 @@ main (int argc, char **argv) if ((temp_buffer = strstr (input_buffer, "name = "))) address = strscpy (address, temp_buffer + 7); else { - output = strscpy (output, "Unknown error (plugin)"); + output = strscpy (output, _("Unknown error (plugin)")); result = STATE_WARNING; } } @@ -143,12 +181,12 @@ main (int argc, char **argv) strip (address); if (address==NULL || strlen(address)==0) terminate (STATE_CRITICAL, - "DNS CRITICAL - '%s' returned empty host name string\n", - NSLOOKUP_COMMAND); + _("DNS CRITICAL - '%s' returned empty host name string\n"), + NSLOOKUP_COMMAND); result = STATE_OK; } else { - output = strdup ("Unknown error (plugin)"); + output = strdup (_("Unknown error (plugin)")); result = STATE_WARNING; } @@ -180,20 +218,20 @@ main (int argc, char **argv) if (spclose (child_process)) { result = max_state (result, STATE_WARNING); if (!strcmp (output, "")) - output = strscpy (output, "nslookup returned error status"); + output = strscpy (output, _("nslookup returned error status")); } /* If we got here, we should have an address string, - and we can segfault if we do not */ + and we can segfault if we do not */ if (address==NULL || strlen(address)==0) terminate (STATE_CRITICAL, - "DNS CRITICAL - '%s' output parsing exited with no address\n", - NSLOOKUP_COMMAND); + _("DNS CRITICAL - '%s' output 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(&output, "expected %s but got %s", expected_address, address); + asprintf(&output, _("expected %s but got %s"), expected_address, address); } elapsed_time = delta_time (tv); @@ -204,18 +242,18 @@ main (int argc, char **argv) else multi_address = TRUE; - printf ("DNS ok - %.3f seconds response time, address%s %s|time=%.3f\n", - elapsed_time, (multi_address==TRUE ? "es are" : " is"), address, elapsed_time); + printf (_("DNS ok - %.3f seconds response time, address%s %s|time=%.3f\n"), + elapsed_time, (multi_address==TRUE ? "es are" : " is"), address, elapsed_time); } else if (result == STATE_WARNING) - printf ("DNS WARNING - %s\n", - !strcmp (output, "") ? " Probably a non-existent host/domain" : output); + printf (_("DNS WARNING - %s\n"), + !strcmp (output, "") ? _(" Probably a non-existent host/domain") : output); else if (result == STATE_CRITICAL) - printf ("DNS CRITICAL - %s\n", - !strcmp (output, "") ? " Probably a non-existent host/domain" : output); + printf (_("DNS CRITICAL - %s\n"), + !strcmp (output, "") ? _(" Probably a non-existent host/domain") : output); else - printf ("DNS problem - %s\n", - !strcmp (output, "") ? " Probably a non-existent host/domain" : output); + printf (_("DNS problem - %s\n"), + !strcmp (output, "") ? _(" Probably a non-existent host/domain") : output); return result; } @@ -225,52 +263,49 @@ 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.")) + 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 (strstr (input_buffer, "Timed out")) + else if (strstr (input_buffer, _("Timed out"))) return STATE_WARNING; /* DNS server is not running... */ - else if (strstr (input_buffer, "No response from server")) + else if (strstr (input_buffer, _("No response from server"))) return STATE_CRITICAL; /* Host name is valid, but server doesn't have records... */ - else if (strstr (input_buffer, "No records")) + else if (strstr (input_buffer, _("No records"))) return STATE_WARNING; /* Host or domain name does not exist */ - else if (strstr (input_buffer, "Non-existent")) + else if (strstr (input_buffer, _("Non-existent"))) return STATE_CRITICAL; - else if (strstr (input_buffer, "** server can't find")) + else if (strstr (input_buffer, _("** server can't find"))) return STATE_CRITICAL; else if(strstr(input_buffer,"NXDOMAIN")) /* 9.x */ return STATE_CRITICAL; /* Connection was refused */ - else if (strstr (input_buffer, "Connection refused")) + else if (strstr (input_buffer, _("Connection refused"))) return STATE_CRITICAL; /* Network is unreachable */ - else if (strstr (input_buffer, "Network is unreachable")) + else if (strstr (input_buffer, _("Network is unreachable"))) return STATE_CRITICAL; /* Internal server failure */ - else if (strstr (input_buffer, "Server failure")) + else if (strstr (input_buffer, _("Server failure"))) return STATE_CRITICAL; /* DNS server refused to service request */ - else if (strstr (input_buffer, "Refused")) + else if (strstr (input_buffer, _("Refused"))) return STATE_CRITICAL; /* Request error */ - else if (strstr (input_buffer, "Format error")) + else if (strstr (input_buffer, _("Format error"))) return STATE_WARNING; else @@ -312,14 +347,14 @@ process_arguments (int argc, char **argv) switch (c) { case '?': /* args not parsable */ - printf ("%s: Unknown argument: %s\n\n", progname, optarg); + printf (_("%s: Unknown argument: %s\n\n"), progname, optarg); print_usage (); exit (STATE_UNKNOWN); case 'h': /* help */ print_help (); exit (STATE_OK); case 'V': /* version */ - print_revision (progname, REVISION); + print_revision (progname, revision); exit (STATE_OK); case 'v': /* version */ verbose = TRUE; @@ -329,35 +364,35 @@ process_arguments (int argc, char **argv) break; case 'H': /* hostname */ if (strlen (optarg) >= ADDRESS_LENGTH) - terminate (STATE_UNKNOWN, "Input buffer overflow\n"); + terminate (STATE_UNKNOWN, _("Input buffer overflow\n")); strcpy (query_address, optarg); break; case 's': /* server name */ /* TODO: this is_host check is probably unnecessary. Better to confirm nslookup response matches */ if (is_host (optarg) == FALSE) { - printf ("Invalid server name/address\n\n"); + printf (_("Invalid server name/address\n\n")); print_usage (); exit (STATE_UNKNOWN); } if (strlen (optarg) >= ADDRESS_LENGTH) - terminate (STATE_UNKNOWN, "Input buffer overflow\n"); + terminate (STATE_UNKNOWN, _("Input buffer overflow\n")); strcpy (dns_server, optarg); break; case 'r': /* reverse server name */ /* TODO: Is this is_host necessary? */ if (is_host (optarg) == FALSE) { - printf ("Invalid host name/address\n\n"); + printf (_("Invalid host name/address\n\n")); print_usage (); exit (STATE_UNKNOWN); } if (strlen (optarg) >= ADDRESS_LENGTH) - terminate (STATE_UNKNOWN, "Input buffer overflow\n"); + terminate (STATE_UNKNOWN, _("Input buffer overflow\n")); strcpy (ptr_server, optarg); break; case 'a': /* expected address */ if (strlen (optarg) >= ADDRESS_LENGTH) - terminate (STATE_UNKNOWN, "Input buffer overflow\n"); + terminate (STATE_UNKNOWN, _("Input buffer overflow\n")); strcpy (expected_address, optarg); match_expected_address = TRUE; break; @@ -367,18 +402,18 @@ process_arguments (int argc, char **argv) c = optind; if (strlen(query_address)==0 && c<argc) { if (strlen(argv[c])>=ADDRESS_LENGTH) - terminate (STATE_UNKNOWN, "Input buffer overflow\n"); + terminate (STATE_UNKNOWN, _("Input buffer overflow\n")); strcpy (query_address, argv[c++]); } if (strlen(dns_server)==0 && c<argc) { /* TODO: See -s option */ if (is_host(argv[c]) == FALSE) { - printf ("Invalid name/address: %s\n\n", argv[c]); + printf (_("Invalid name/address: %s\n\n"), argv[c]); return ERROR; } if (strlen(argv[c]) >= ADDRESS_LENGTH) - terminate (STATE_UNKNOWN, "Input buffer overflow\n"); + terminate (STATE_UNKNOWN, _("Input buffer overflow\n")); strcpy (dns_server, argv[c++]); } @@ -393,37 +428,3 @@ validate_arguments () else return OK; } - -void -print_usage (void) -{ - printf ("Usage: %s -H host [-s server] [-a expected-address] [-t timeout]\n" " %s --help\n" - " %s --version\n", progname, progname, progname); -} - -void -print_help (void) -{ - print_revision (progname, REVISION); - printf ("Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)\n\n"); - print_usage (); - printf - ("\nOptions:\n" - "-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" - "-t, --timeout=INTEGER\n" - " Seconds before connection times out (default: %d)\n" - "-h, --help\n" - " Print detailed help\n" - "-V, --version\n" - " Print version numbers and license information\n" - "\n" - "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", DEFAULT_SOCKET_TIMEOUT); -} |