[Nagiosplug-checkins] CVS: nagiosplug/plugins-scripts check_ifstatus.pl,1.5,1.6
Subhendu Ghosh
sghosh at users.sourceforge.net
Mon Oct 13 19:36:09 CEST 2003
Update of /cvsroot/nagiosplug/nagiosplug/plugins-scripts
In directory sc8-pr-cvs1:/tmp/cvs-serv27348
Modified Files:
check_ifstatus.pl
Log Message:
Added -M for maxmsgsize (v1/v2c)
Added v3 support
Index: check_ifstatus.pl
===================================================================
RCS file: /cvsroot/nagiosplug/nagiosplug/plugins-scripts/check_ifstatus.pl,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -r1.5 -r1.6
*** check_ifstatus.pl 11 Apr 2003 22:36:05 -0000 1.5
--- check_ifstatus.pl 14 Oct 2003 02:15:29 -0000 1.6
***************
*** 8,11 ****
--- 8,13 ----
# Added -x option (4/2003)
# Added -u option (4/2003)
+ # Added -M option (10/2003)
+ # Added SNMPv3 support (10/2003)
#
# This program is free software; you can redistribute it and/or
***************
*** 41,47 ****
my $PROGNAME = "check_ifstatus";
my $status;
! my %ifOperStatus = ('1','up',
'2','down',
'3','testing',
--- 43,53 ----
my $PROGNAME = "check_ifstatus";
+ sub print_help ();
+ sub usage ();
+ sub process_arguments ();
+
my $status;
! my %ifOperStatus = ('1','up',
'2','down',
'3','testing',
***************
*** 56,59 ****
--- 62,67 ----
my $key=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;
***************
*** 94,114 ****
exit $ERRORS{"UNKNOWN"};
};
- alarm($TIMEOUT);
-
#Option checking
! $status = GetOptions(
! "V" => \$opt_V, "version" => \$opt_V,
! "h" => \$opt_h, "help" => \$opt_h,
! "v=i" => \$snmp_version, "snmp_version=i" => \$snmp_version,
! "C=s" =>\$community,"community=s" => \$community,
! "p=i" =>\$port, "port=i" => \$port,
! "H=s" => \$hostname, "hostname=s" => \$hostname,
! "I" => \$ifXTable, "ifmib" => \$ifXTable,
! "x:s" => \$opt_x, "exclude:s" => \$opt_x,
! "u=s" => \$opt_u, "unused_ports=s" => \$opt_u);
!
! if ($status == 0)
{
print_help() ;
--- 102,111 ----
exit $ERRORS{"UNKNOWN"};
};
#Option checking
! $status = process_arguments();
!
! if ($status != 0)
{
print_help() ;
***************
*** 117,189 ****
! if ($opt_V) {
! print_revision($PROGNAME,'$Revision$ ');
! exit $ERRORS{'OK'};
! }
!
! if ($opt_h) {
! print_help();
! exit $ERRORS{'OK'};
! }
!
!
! if (defined $opt_x) {
! my @x = split(/,/, $opt_x);
! if ( @x) {
! foreach $key (@x){
! $excluded{$key} = 1;
! }
! }else{
! $excluded{23} = 1; # default PPP(23) if empty list - note (AIX seems to think PPP is 22 according to a post)
! }
! #debugging
! #foreach $x (keys %excluded)
! # { print "key = $x val = $excluded{$x}\n";}
! }
!
! if ($opt_u) {
! @unused_ports = split(/,/,$opt_u);
! foreach $key (@unused_ports) {
! $ifStatus{$key}{'notInUse'}++ ;
! }
! }
!
! if (! utils::is_hostname($hostname)){
! usage();
! exit $ERRORS{"UNKNOWN"};
! }
!
! if ( ! $snmp_version ) {
! $snmp_version =1 ;
! }else{
! 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};
! }
! }
!
!
push(@snmpoids,$snmpIfOperStatus);
--- 114,118 ----
! alarm($TIMEOUT);
push(@snmpoids,$snmpIfOperStatus);
***************
*** 206,210 ****
print ("$state: Device does not support ifTable - try without -I option\n");
}else{
! print ("$state: $answer for $snmpoid with snmp version $snmp_version\n");
}
exit $ERRORS{$state};
--- 135,139 ----
print ("$state: Device does not support ifTable - try without -I option\n");
}else{
! print ("$state: $answer for $snmpoid with snmp version $snmp_version\n");
}
exit $ERRORS{$state};
***************
*** 221,224 ****
--- 150,155 ----
$session->close;
+ alarm(0);
+
foreach $key (keys %ifStatus) {
***************
*** 231,240 ****
if (!defined $excluded{$ifStatus{$key}{$snmpIfType}} ) {
if ($ifStatus{$key}{$snmpIfOperStatus} == 1 ) { $ifup++ ;}
! if ($ifStatus{$key}{$snmpIfOperStatus} == 2 ) {
! $ifdown++ ;
if (defined $ifXTable) {
$ifmessage .= sprintf("%s: down -> %s<BR>",
$ifStatus{$key}{$snmpIfName},
! $ifStatus{$key}{$snmpIfAlias});
}else{
$ifmessage .= sprintf("%s: down <BR>",
--- 162,171 ----
if (!defined $excluded{$ifStatus{$key}{$snmpIfType}} ) {
if ($ifStatus{$key}{$snmpIfOperStatus} == 1 ) { $ifup++ ;}
! if ($ifStatus{$key}{$snmpIfOperStatus} == 2 ) {
! $ifdown++ ;
if (defined $ifXTable) {
$ifmessage .= sprintf("%s: down -> %s<BR>",
$ifStatus{$key}{$snmpIfName},
! $ifStatus{$key}{$snmpIfAlias});
}else{
$ifmessage .= sprintf("%s: down <BR>",
***************
*** 242,246 ****
}
}
! if ($ifStatus{$key}{$snmpIfOperStatus} == 5 ) { $ifdormant++ ;}
}else{
$ifexclude++;
--- 173,177 ----
}
}
! if ($ifStatus{$key}{$snmpIfOperStatus} == 5 ) { $ifdormant++ ;}
}else{
$ifexclude++;
***************
*** 279,283 ****
! sub usage {
printf "\nMissing arguments!\n";
printf "\n";
--- 210,214 ----
! sub usage (){
printf "\nMissing arguments!\n";
printf "\n";
***************
*** 290,296 ****
}
! sub print_help {
printf "check_ifstatus plugin for Nagios monitors operational \n";
! printf "status of each network interface on the target host\n";
printf "\nUsage:\n";
printf " -H (--hostname) Hostname to query - (required)\n";
--- 221,227 ----
}
! sub print_help (){
printf "check_ifstatus plugin for Nagios monitors operational \n";
! printf "status of each network interface on the target host\n";
printf "\nUsage:\n";
printf " -H (--hostname) Hostname to query - (required)\n";
***************
*** 299,303 ****
printf " -v (--snmp_version) 1 for SNMP v1 (default)\n";
printf " 2 for SNMP v2c\n";
! printf " SNMP v2c will use get_bulk for less overhead\n";
printf " -p (--port) SNMP port (default 161)\n";
printf " -I (--ifmib) Agent supports IFMIB ifXTable. For Cisco - this will provide\n";
--- 230,235 ----
printf " -v (--snmp_version) 1 for SNMP v1 (default)\n";
printf " 2 for SNMP v2c\n";
! printf " SNMP v2c will use get_bulk for less overhead\n";
! printf " 3 for SNMPv3 (requires -U option)";
printf " -p (--port) SNMP port (default 161)\n";
printf " -I (--ifmib) Agent supports IFMIB ifXTable. For Cisco - this will provide\n";
***************
*** 305,312 ****
--- 237,449 ----
printf " -x (--exclude) A comma separated list of ifType values that should be excluded \n";
printf " from the report (default for an empty list is PPP(23).\n";
+ printf " -u (--unused_ports) A comma separated list of ifIndex values that should be excluded \n";
+ printf " from the report (default is an empty exclusion list).\n";
printf " See the IANAifType-MIB for a list of interface types.\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 " -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";
print_revision($PROGNAME, '$Revision$');
+ }
+
+ sub process_arguments() {
+ $status = GetOptions(
+ "V" => \$opt_V, "version" => \$opt_V,
+ "h" => \$opt_h, "help" => \$opt_h,
+ "v=i" => \$snmp_version, "snmp_version=i" => \$snmp_version,
+ "C=s" => \$community,"community=s" => \$community,
+ "L=s" => \$seclevel, "seclevel=s" => \$seclevel,
+ "a=s" => \$authproto, "authproto=s" => \$authproto,
+ "U=s" => \$secname, "secname=s" => \$secname,
+ "A=s" => \$authpass, "authpass=s" => \$authpass,
+ "X=s" => \$privpass, "privpass=s" => \$privpass,
+ "c=s" => \$context, "context=s" => \$context,
+ "p=i" =>\$port, "port=i" => \$port,
+ "H=s" => \$hostname, "hostname=s" => \$hostname,
+ "I" => \$ifXTable, "ifmib" => \$ifXTable,
+ "x:s" => \$opt_x, "exclude:s" => \$opt_x,
+ "u=s" => \$opt_u, "unused_ports=s" => \$opt_u,
+ "M=i" => \$maxmsgsize, "maxmsgsize=i" => \$maxmsgsize);
+
+ if ($status == 0){
+ print_help() ;
+ exit $ERRORS{'OK'};
+ }
+ if ($opt_V) {
+ print_revision($PROGNAME,'$Revision$ ');
+ exit $ERRORS{'OK'};
+ }
+
+ if ($opt_h) {
+ print_help();
+ exit $ERRORS{'OK'};
+ }
+
+
+ if ($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
+
+ # for snmp v1 & v2c we default to community = "public"
+
+ # Excluded interfaces types (ifType) (backup interfaces, dial-on demand interfaces, PPP interfaces
+ if (defined $opt_x) {
+ my @x = split(/,/, $opt_x);
+ if ( @x) {
+ foreach $key (@x){
+ $excluded{$key} = 1;
+ }
+ }else{
+ $excluded{23} = 1; # default PPP(23) if empty list - note (AIX seems to think PPP is 22 according to a post)
+ }
+ }
+
+ # Excluded interface ports (ifIndex) - management reasons
+ if ($opt_u) {
+ @unused_ports = split(/,/,$opt_u);
+ foreach $key (@unused_ports) {
+ $ifStatus{$key}{'notInUse'}++ ;
+ }
+ }
+
+ if (! utils::is_hostname($hostname)){
+ usage();
+ exit $ERRORS{"UNKNOWN"};
+ }
+
+ # create SNMP session handle based on options passed.
+
+ if ( ! $snmp_version ) {
+ $snmp_version =1 ;
+ }else{
+ 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,
+ $auth
+ );
+ }elsif ($seclevel eq 'authPriv' ) {
+ ($session, $error) = Net::SNMP->session(
+ -hostname => $hostname,
+ -port => $port,
+ -version => $snmp_version,
+ -username => $secname,
+ $auth,
+ $priv
+ );
+ }
+
+
+ if (!defined($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};
+ }
+ }
+
+ return $ERRORS{"OK"};
+
}
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