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author | Subhendu Ghosh <sghosh@users.sourceforge.net> | |
Tue, 14 Oct 2003 03:15:19 +0000 (03:15 +0000) | ||
committer | Subhendu Ghosh <sghosh@users.sourceforge.net> | |
Tue, 14 Oct 2003 03:15:19 +0000 (03:15 +0000) |
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@746 f882894a-f735-0410-b71e-b25c423dba1c
plugins-scripts/check_ifoperstatus.pl | patch | blob | history |
index f4eaefc0576a36f5bc9b1aec3ebb35979f0eba86..8a23ca5eab902d1372ab6bae0d639028d83717a6 100644 (file)
# Copyright (C) 2000 Christoph Kron,
# Modified 5/2002 to conform to updated Nagios Plugin Guidelines
# Added support for named interfaces per Valdimir Ivaschenko (S. Ghosh)
+# Added SNMPv3 support (10/2003)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
&Getopt::Long::config('bundling');
my $PROGNAME = "check_ifoperstatus";
+sub print_help ();
+sub usage ();
+sub process_arguments ();
+
my $status;
my %ifOperStatus = ('1','up',
'2','down',
my $answer = "";
my $snmpkey = 0;
my $community = "public";
+my $maxmsgsize = 1472 ; # Net::SNMP default is 1472
+my ($seclevel, $authproto, $secname, $authpass, $privpass, $auth, $priv, $context);
my $port = 161;
my @snmpoids;
my $sysUptime = '1.3.6.1.2.1.1.3.0';
### Validate Arguments
-$status = GetOptions(
- "V" => \$opt_V, "version" => \$opt_V,
- "h" => \$opt_h, "help" => \$opt_h,
- "v=i" => \$snmp_version, "snmp_version=i" => \$snmp_version,
- "C=s" =>\$community, "community=s" => \$community,
- "k=i" =>\$snmpkey, "key=i",\$snmpkey,
- "d=s" =>\$ifdescr, "descr=s" => \$ifdescr,
- "l=s" => \$lastc, "lastchange=s" => \$lastc,
- "p=i" =>\$port, "port=i",\$port,
- "H=s" => \$hostname, "hostname=s" => \$hostname,
- "I" => \$ifXTable, "ifmib" => \$ifXTable,
- "n=s" => \$ifName, "name=s" => \$ifName,
- "w=s" => \$dormantWarn, "warn=s" => \$dormantWarn );
-
-
-
-if ($status == 0)
-{
- print_help();
- exit $ERRORS{'OK'};
-}
-
-if ($opt_V) {
- print_revision($PROGNAME,'$Revision$ ');
- exit $ERRORS{'OK'};
-}
-
-if ($opt_h) {
- print_help();
- exit $ERRORS{'OK'};
-}
-
-if (! utils::is_hostname($hostname)){
- usage();
- exit $ERRORS{"UNKNOWN"};
-}
-
-
-unless ($snmpkey > 0 || defined $ifdescr){
- printf "Either a valid snmpkey key (-k) or a ifDescr (-d) must be provided)\n";
- usage();
- exit $ERRORS{"UNKNOWN"};
-}
-
-
-if (defined $name) {
- $ifXTable=1;
-}
-
-if ( $snmp_version =~ /[12]/ ) {
- ($session, $error) = Net::SNMP->session(
- -hostname => $hostname,
- -community => $community,
- -port => $port,
- -version => $snmp_version
- );
-
- if (!defined($session)) {
- $state='UNKNOWN';
- $answer=$error;
- print ("$state: $answer");
- exit $ERRORS{$state};
- }
-}elsif ( $snmp_version =~ /3/ ) {
- $state='UNKNOWN';
- print ("$state: No support for SNMP v3 yet\n");
- exit $ERRORS{$state};
-}else{
- $state='UNKNOWN';
- print ("$state: No support for SNMP v$snmp_version yet\n");
- exit $ERRORS{$state};
-}
-
-## End validation
-
+$status = process_arguments();
## map ifdescr to ifindex - should look at being able to cache this value
# recommend use of SNMP v2 (get-bulk)
if ($status==0) {
$state = "UNKNOWN";
- printf "$state: could not retrive snmpkey - $status-$snmpkey\n";
+ printf "$state: could not retrive ifdescr snmpkey - $status-$snmpkey\n";
$session->close;
exit $ERRORS{$state};
}
$answer = "Interface $name (index $snmpkey) is down.";
} elsif ( $response->{$snmpIfOperStatus} == 5 ) {
if (defined $dormantWarn ) {
- if ($dormantWarn eq "w") {
- $state = 'WARNNG';
- $answer = "Interface $name (index $snmpkey) is dormant.";
- }elsif($dormantWarn eq "c") {
- $state = 'CRITICAL';
- $answer = "Interface $name (index $snmpkey) is dormant.";
+ if ($dormantWarn eq "w") {
+ $state = 'WARNNG';
+ $answer = "Interface $name (index $snmpkey) is dormant.";
+ }elsif($dormantWarn eq "c") {
+ $state = 'CRITICAL';
+ $answer = "Interface $name (index $snmpkey) is dormant.";
}elsif($dormantWarn eq "i") {
- $state = 'OK';
- $answer = "Interface $name (index $snmpkey) is dormant.";
+ $state = 'OK';
+ $answer = "Interface $name (index $snmpkey) is dormant.";
}
- }else{
- # dormant interface - but warning/critical/ignore not requested
- $state = 'CRITICAL';
- $answer = "Interface $name (index $snmpkey) is dormant.";
- }
+ }else{
+ # dormant interface - but warning/critical/ignore not requested
+ $state = 'CRITICAL';
+ $answer = "Interface $name (index $snmpkey) is dormant.";
+ }
} elsif ( $response->{$snmpIfOperStatus} == 6 ) {
$state = 'CRITICAL';
$answer = "Interface $name (index $snmpkey) notPresent - possible hotswap in progress.";
return $snmpkey;
}
-sub usage {
+sub usage() {
printf "\nMissing arguments!\n";
printf "\n";
printf "usage: \n";
exit $ERRORS{"UNKNOWN"};
}
-sub print_help {
+sub print_help() {
printf "check_ifoperstatus plugin for Nagios monitors operational \n";
printf "status of a particular network interface on the target host\n";
printf "\nUsage:\n";
printf " 2 for SNMP v2c\n";
printf " SNMP v2c will use get_bulk for less overhead\n";
printf " if monitoring with -d\n";
+ printf " -L (--seclevel) choice of \"noAuthNoPriv\", \"authNoPriv\", or \"authPriv\"\n";
+ printf " -U (--secname) username for SNMPv3 context\n";
+ printf " -c (--context) SNMPv3 context name (default is empty string)";
+ printf " -A (--authpass) authentication password (cleartext ascii or localized key\n";
+ printf " in hex with 0x prefix generated by using \"snmpkey\" utility\n";
+ printf " auth password and authEngineID\n";
+ printf " -a (--authproto) Authentication protocol ( MD5 or SHA1)\n";
+ printf " -X (--privpass) privacy password (cleartext ascii or localized key\n";
+ printf " in hex with 0x prefix generated by using \"snmpkey\" utility\n";
+ printf " privacy password and authEngineID\n";
printf " -k (--key) SNMP IfIndex value\n";
printf " -d (--descr) SNMP ifDescr value\n";
printf " -p (--port) SNMP port (default 161)\n";
printf " -n (--name) the value should match the returned ifName\n";
printf " (Implies the use of -I)\n";
printf " -w (--warn =i|w|c) ignore|warn|crit if the interface is dormant (default critical)\n";
+ printf " -M (--maxmsgsize) Max message size - usefull only for v1 or v2c\n";
printf " -V (--version) Plugin version\n";
printf " -h (--help) usage help \n\n";
printf " -k or -d must be specified\n\n";
print_revision($PROGNAME, '$Revision$');
}
+
+sub process_arguments() {
+ $status = GetOptions(
+ "V" => \$opt_V, "version" => \$opt_V,
+ "h" => \$opt_h, "help" => \$opt_h,
+ "v=i" => \$snmp_version, "snmp_version=i" => \$snmp_version,
+ "C=s" => \$community, "community=s" => \$community,
+ "L=s" => \$seclevel, "seclevel=s" => \$seclevel,
+ "a=s" => \$authproto, "authproto=s" => \$authproto,
+ "U=s" => \$secname, "secname=s" => \$secname,
+ "A=s" => \$authpass, "authpass=s" => \$authpass,
+ "X=s" => \$privpass, "privpass=s" => \$privpass,
+ "c=s" => \$context, "context=s" => \$context,
+ "k=i" => \$snmpkey, "key=i",\$snmpkey,
+ "d=s" => \$ifdescr, "descr=s" => \$ifdescr,
+ "l=s" => \$lastc, "lastchange=s" => \$lastc,
+ "p=i" = >\$port, "port=i" =>\$port,
+ "H=s" => \$hostname, "hostname=s" => \$hostname,
+ "I" => \$ifXTable, "ifmib" => \$ifXTable,
+ "n=s" => \$ifName, "name=s" => \$ifName,
+ "w=s" => \$dormantWarn, "warn=s" => \$dormantWarn,
+ "M=i" => \$maxmsgsize, "maxmsgsize=i" => \$maxmsgsize);
+
+
+
+ if ($status == 0){
+ print_help();
+ exit $ERRORS{'OK'};
+ }
+
+ if ($opt_V) {
+ print_revision($PROGNAME,'$Revision$ ');
+ exit $ERRORS{'OK'};
+ }
+
+ if ($opt_h) {
+ print_help();
+ exit $ERRORS{'OK'};
+ }
+
+ if (! utils::is_hostname($hostname)){
+ usage();
+ exit $ERRORS{"UNKNOWN"};
+ }
+
+
+ unless ($snmpkey > 0 || defined $ifdescr){
+ printf "Either a valid snmpkey key (-k) or a ifDescr (-d) must be provided)\n";
+ usage();
+ exit $ERRORS{"UNKNOWN"};
+ }
+
+
+ if (defined $name) {
+ $ifXTable=1;
+ }
+
+ if (defined $dormantWarn) {
+ unless ($dormantWarn =~ /^(w|c|i)$/ ) {
+ printf "Dormant alerts must be one of w|c|i \n";
+ exit $ERRORS{'UNKNOWN'};
+ }
+ }
+
+ if ($snmp_version =~ /3/ ) {
+ # Must define a security level even though default is noAuthNoPriv
+ # v3 requires a security username
+ if (defined $seclevel && defined $secname) {
+
+ # Must define a security level even though defualt is noAuthNoPriv
+ unless ($seclevel eq ('noAuthNoPriv' || 'authNoPriv' || 'authPriv' ) ) {
+ usage();
+ exit $ERRORS{"UNKNOWN"};
+ }
+
+ # Authentication wanted
+ if ($seclevel eq ('authNoPriv' || 'authPriv') ) {
+
+ unless ($authproto eq ('MD5' || 'SHA1') ) {
+ usage();
+ exit $ERRORS{"UNKNOWN"};
+ }
+
+ if ( !defined $authpass) {
+ usage();
+ exit $ERRORS{"UNKNOWN"};
+ }else{
+ if ($authpass =~ /^0x/ ) {
+ $auth = "-authkey => $authpass" ;
+ }else{
+ $auth = "-authpassword => $authpass";
+ }
+ }
+
+ }
+
+ # Privacy (DES encryption) wanted
+ if ($seclevel eq 'authPriv' ) {
+ if (! defined $privpass) {
+ usage();
+ exit $ERRORS{"UNKNOWN"};
+ }else{
+ if ($privpass =~ /^0x/){
+ $priv = "-privkey => $privpass";
+ }else{
+ $priv = "-privpassword => $privpass";
+ }
+ }
+ }
+
+ # Context name defined or default
+
+ unless ( defined $context) {
+ $context = "";
+ }
+
+
+
+ }else {
+ usage();
+ exit $ERRORS{'UNKNOWN'}; ;
+ }
+ } # end snmpv3
+
+
+ if ( $snmp_version =~ /[12]/ ) {
+ ($session, $error) = Net::SNMP->session(
+ -hostname => $hostname,
+ -community => $community,
+ -port => $port,
+ -version => $snmp_version,
+ -maxmsgsize => $maxmsgsize
+ );
+
+ if (!defined($session)) {
+ $state='UNKNOWN';
+ $answer=$error;
+ print ("$state: $answer");
+ exit $ERRORS{$state};
+ }
+
+ }elsif ( $snmp_version =~ /3/ ) {
+
+ if ($seclevel eq 'noAuthNoPriv') {
+ ($session, $error) = Net::SNMP->session(
+ -hostname => $hostname,
+ -port => $port,
+ -version => $snmp_version,
+ -username => $secname,
+ );
+
+ }elsif ( $seclevel eq 'authNoPriv' ) {
+ ($session, $error) = Net::SNMP->session(
+ -hostname => $hostname,
+ -port => $port,
+ -version => $snmp_version,
+ -username => $secname,
+ $auth,
+ -authprotocol => $authproto,
+ );
+ }elsif ($seclevel eq 'authPriv' ) {
+ ($session, $error) = Net::SNMP->session(
+ -hostname => $hostname,
+ -port => $port,
+ -version => $snmp_version,
+ -username => $secname,
+ $auth,
+ -authprotocol => $authproto,
+ $priv
+ );
+ }
+
+
+ if (!defined($session)) {
+ $state='UNKNOWN';
+ $answer=$error;
+ print ("$state: $answer");
+ exit $ERRORS{$state};
+ }
+
+ }else{
+ $state='UNKNOWN';
+ print ("$state: No support for SNMP v$snmp_version yet\n");
+ exit $ERRORS{$state};
+ }
+
+}
+## End validation
+