#!/usr/local/bin/perl5
# -*- mode: Perl -*-
##################################################################
# Config file creator
##################################################################
# Created by Laurie Gellatly <gellatly@one.net.au>
# this produces an array of ip address and system names for each
# ip address passed to it, by pulling info
# off the device via snmp
#################################################################
#
# Distributed under the GNU copyleft
#
# $Id: ovmrtg.pm,v 1.1.1.1 2002/02/26 10:16:36 oetiker Exp $
#
package ovmrtg;
use Socket;
use strict;
use vars qw(@ISA @EXPORT $VERSION);
use Exporter;
$VERSION = '0.00';
@ISA = qw(Exporter);
@EXPORT = qw(ovsysnms ovcols);
sub ovsysnms(@);
sub ovcols(@);
my $DEBUG = 0;
my($router,$routerip,@res,@result,$cnt);
my($op,$vendor);
%snmpget::OIDS = ( 'sysDescr' => '1.3.6.1.2.1.1.1.0',
'sysContact' => '1.3.6.1.2.1.1.4.0',
'sysName' => '1.3.6.1.2.1.1.5.0',
'sysLocation' => '1.3.6.1.2.1.1.6.0',
'sysUptime' => '1.3.6.1.2.1.1.3.0',
'ifNumber' => '1.3.6.1.2.1.2.1.0',
###################################
# add the ifNumber ....
'ifDescr' => '1.3.6.1.2.1.2.2.1.2',
'ifType' => '1.3.6.1.2.1.2.2.1.3',
'ifIndex' => '1.3.6.1.2.1.2.2.1.1',
'ifSpeed' => '1.3.6.1.2.1.2.2.1.5',
'ifOperStatus' => '1.3.6.1.2.1.2.2.1.8',
'ifAdminStatus' => '1.3.6.1.2.1.2.2.1.7',
# up 1, down 2, testing 3
'ipAdEntAddr' => '1.3.6.1.2.1.4.20.1.1',
'ipAdEntIfIndex' => '1.3.6.1.2.1.4.20.1.2',
'sysObjectID' => '1.3.6.1.2.1.1.2.0',
'CiscolocIfDescr' => '1.3.6.1.4.1.9.2.2.1.1.28',
'ifAlias' => '1.3.6.1.2.1.31.1.1.1.18'
);
sub ovcols(@) {
my @args = @_;
my @r;
$op = $args[0];
shift @args;
if ($op eq "+"){
$op = "C";
} else {
$op = "XC";
}
while($router=$args[0]){
my($sysDescr,$sysContact,$sysName,$sysLocation,$ifNumber,$sysObjectID) =
snmpget($router,
'sysDescr','sysContact','sysName', 'sysLocation', 'ifNumber', 'sysObjectID');
my ($sint2mon);
my $cc = " ";
$sysDescr =~ s/\r/<BR>/g; # Change returns to <BR>
my($ciscobox) = ($sysObjectID =~ /cisco/);
my($portmaster) = ($sysObjectID =~ /livingston/);
$vendor = ($ciscobox || $portmaster) ;
my($ifInErrors) = '1.3.6.1.2.1.2.2.1.14';
my($ifOutErrors) = '1.3.6.1.2.1.2.2.1.20';
my @ipadent = snmpgettable($router, 'ipAdEntAddr');
print STDERR "Got Addresses\n" if $DEBUG;
my @ipadentif = snmpgettable($router, 'ipAdEntIfIndex');
print STDERR "Got IfTable\n" if $DEBUG;
my(%ipaddr, %iphost,$index);
while (scalar @ipadentif){
$index = shift @ipadentif;
$ipaddr{$index} = shift @ipadent;
$iphost{$index} =
gethostbyaddr(pack('C4',split(/\./,$ipaddr{$index})), AF_INET);
if ($iphost{$index} eq ''){
$iphost{$index} = $ipaddr{$index};
}
}
my(@ifdescr) = snmpgettable($router, 'ifDescr');
print STDERR "Got IfDescr\n" if $DEBUG;
my(@iftype) = snmpgettable($router, 'ifType');
print STDERR "Got IfType\n" if $DEBUG;
my(@ifspeed) = snmpgettable($router, 'ifSpeed');
print STDERR "Got IfSpeed\n" if $DEBUG;
my(@ifadminstatus) = snmpgettable($router, 'ifAdminStatus');
print STDERR "Got IfStatus\n" if $DEBUG;
my(@ifoperstatus) = snmpgettable($router, 'ifOperStatus');
print STDERR "Got IfOperStatus\n" if $DEBUG;
my(@ifindex) = snmpgettable($router, 'ifIndex');
print STDERR "Got IfIndex\n" if $DEBUG;
my(%sifdesc,%siftype,%sifspeed,%sifadminstatus,%sifoperstatus,%sciscodescr);
### May need the cisco IOS version number so we know which oid to use
### to get the cisco description.
###
### - mjd 2/5/98 (Mike Diehn) (mdiehn@mindspring.net)
###
my ($cisco_ver, $cisco_descr_oid, @ciscodescr);
if ( $ciscobox ) {
($cisco_ver) = ($sysDescr =~ /Version\s+([\d.]+)/);
$cisco_descr_oid = ($cisco_ver ge "11.3") ? "ifAlias" : "CiscolocIfDescr";
}
while (scalar @ifindex) {
# as these arrays get filled from the bottom,
# we need to empty them from the botom as well ...
# fifo
$index = shift @ifindex;
$sifdesc{$index} = shift @ifdescr;
$siftype{$index} = shift @iftype;
$sifspeed{$index} = shift @ifspeed;
$sifadminstatus{$index} = shift @ifadminstatus;
$sifoperstatus{$index} = shift @ifoperstatus;
if ($portmaster) {
# Trying to extract extra info livingston
# We can only approximate speeds
#
# so we think that ppp can do 76800 bit/s, and slip 38400.
# (actualy, slip is a bit faster, but usualy users with newer modems
# use ppp). Alternatively, you can set async speed to 115200 or
# 230400 (the maximum speed supported by portmaster).
#
# But if the interface is ptpW (sync), max speed is 128000
# change it to your needs. On various Portmasters there are
# various numbers of sync interfaces, so modify it.
#
# The most commonly used PM-2ER has only one sync.
#
# Paul Makeev (mac@redline.ru)
#
if ($siftype{$index} eq 'ppp') {
if ($sifdesc{$index} eq 'ptpW1') {
$sifspeed{$index} = 128000;
} else {
$sifspeed{$index} = 76800;
}
} elsif ($siftype{$index} eq 'slip') {
$sifspeed{$index} = 38400;
} elsif ($siftype{$index} eq 'ethernetCsmacd') {
$sifspeed{$index} = 10000000;
}
}
### Move this section south so we know what type of
### circuit we're looking at before we retrieve
### the cisco interface alias.
###
### This whole cicso thing should be re-written, but since
### this script doesn't need to run quickly...
###
### - mjd 2/5/98
###
# Get the user configurable interface description entered in the config
# if it's a cisco-box
#
if ($ciscobox) {
my ($enoid, @descr);
$enoid = $snmpget::OIDS{"$cisco_descr_oid"} . "." . $index;
if ( $cisco_ver ge "11.2" or $siftype{$index} ne 'frame-relay' ) {
### This is either not a frame-relay sub-interface or
### this router is running IOS 11.2+ and interface
### type won't matter. In either of these cases, it's
### ok to try getting the ifAlias or ciscoLocIfDesc.
###
@descr = snmpget($router, $enoid);
} else {
### This is a frame-relay sub-interface *and* the router
### is running an IOS older than 11.2. Therefore, we can
### get neither ifAlias nor ciscoLocIfDesc. Do something
### useful.
###
@descr = ("Cisco PVCs descriptions require IOS 11.2+.");
} # end if else
### Put whatever I got into the array we'll use later to append the result
### of this operation onto the results from the ifDescr fetch.
###
push @ciscodescr, shift @descr;
} # end if ($ciscobox)
# especially since cisco does not return a if
# descr for each interface it has ...
## JB 2/8/97 - sometimes IOS inserts E1 controllers in the standard-MIB
## interface table, but not in the local interface table. This puts the
## local interface description table out-of-sync. the following
## modification skips over E1 cards as interfaces.
#
### I suspect that the mod I made above, to use the ifAlias
### oid if possible, may cause problems here. If it seems
### that your descriptions are out of sync, try commenting
### out the "if ( condition )" and it's closing right brace
### so that the "shift @ciscodescr" get executed for *all*
### iterations of this loop.
###
### - mjd 2/5/95
###
if ($ciscobox && $siftype{$index} ne 'ds1') {
$sciscodescr{$index} = "<BR>" . (shift @ciscodescr) if @ciscodescr;
}
}
foreach $index ( sort { $a <=> $b } keys %sifdesc) {
my $speed = int($sifspeed{$index} / 8); # bits to byte
# LJG Change to report in Bits
# my $speed_str=&fmi($speed);
my $speed_str=&fmi($sifspeed{$index});
my $name="$router.$index";
my $namerr="$router.$index.err";
if (($sifadminstatus{$index} ne "up")
# this check added by Josh - don't query E1-stack controllers
|| ($siftype{$index} eq 'ds1')
|| ($siftype{$index} eq 'softwareLoopback')
|| ($speed == 0 )
# LJG Change to report all in Bits
# || ($speed > 400 * 10**6) #speeds of 400 MByte/s are not realistic
|| ($speed > 3200 * 10**6) #speeds of 400 MByte/s are not realistic
|| ($sifoperstatus{$index} eq 'down')
|| (($sifdesc{$index}=~ /Dialer/) && ($ciscobox))) {
########
######## This Interface is one of the following
######## - administratively not UP
######## - it is in test mode
######## - it is a softwareLoopback interface
######## - has a unrealistic speed setting
######## It is commented out for this reason.
########
}else {
$sint2mon = $sint2mon .$cc.$index;
$cc = ",";
}
}
if ($ciscobox){
$r[@r]="MIB .1.3.6.1.4.1.9.2.1.58 avgBusy5 units INTEGER R";
$r[@r]="$op $router .1.3.6.1.* 300 > 0 1 <= 0 1 xA s 58720263 ALL -";
}
$r[@r]="MIB .1.3.6.1.2.1.1.3 sysUpTime units TIMETICKS R";
$r[@r]="$op $router .1.3.6.1.* 300 > 0 1 <= 0 1 xA s 58720263 ALL -";
$r[@r]="MIB .1.3.6.1.2.1.2.2.1.10 IfInOctets units/sec COUNTER R";
$r[@r]="$op $router .1.3.6.1.* 300 > 0 1 <= 0 1 xA s 58720263 LIST $sint2mon";
$r[@r]="MIB .1.3.6.1.2.1.2.2.1.16 IfOutOctets units/sec COUNTER R";
$r[@r]="$op $router .1.3.6.1.* 300 > 0 1 <= 0 1 xA s 58720263 LIST $sint2mon";
$r[@r]="MIB .1.3.6.1.2.1.2.2.1.14 IfInErrors units/sec COUNTER R";
$r[@r]="$op $router .1.3.6.1.* 300 > 0 1 <= 0 1 xA s 58720263 LIST $sint2mon";
$r[@r]="MIB .1.3.6.1.2.1.2.2.1.20 IfOutErrors units/sec COUNTER R";
$r[@r]="$op $router .1.3.6.1.* 300 > 0 1 <= 0 1 xA s 58720263 LIST $sint2mon";
shift @args;
}
return (@r);
}
sub snmpgettable{
my($host,$var) = @_;
my($next_oid,$enoid,$orig_oid,
$response, $bindings, $binding, $t1, $t2,$outoid,
$upoid,$oid,@table,$tempo);
die "Unknown SNMP var $var\n"
unless $snmpget::OIDS{$var};
$orig_oid = $snmpget::OIDS{$var}." ";
$enoid=$orig_oid;
open(SNMPG, "snmpwalk $host $orig_oid |");
# print STDERR $orig_oid;
while ($tempo =<SNMPG>){
# print STDERR $tempo;
($t1, $t2, $tempo ) = split /:/ , $tempo ,3;
if (!$tempo){
if ($t2){
$t1 = $t1 .":".$t2;
}
$tempo = pop(@table)." ".$t1 ;
}
$tempo=~s/\t/ /g;
$tempo=~s/\n/ /g;
$tempo=~s/^\s+//;
$tempo=~s/\s+$//;
push @table, $tempo;
}
close (SNMPG);
return (@table);
}
sub fmi {
my($number) = $_[0];
my(@short);
# LJG Change to report in Bits
# @short = ("Bytes/s","kBytes/s","MBytes/s","GBytes/s");
@short = ("Bits/s","kBits/s","MBits/s","GBits/s");
my $digits=length("".$number);
my $divm=0;
while ($digits-$divm*3 > 3) { $divm++; }
my $divnum = $number/10**($divm*3);
return sprintf("%1.1f %s",$divnum,$short[$divm]);
}
sub ovsysnms (@){
my @args = @_;
while($router = $args[0]){
my($sysName)= snmpget($router, 'sysName');
### The next three lines can be deleted once Someone gives this box a name
if ($router eq '10.26.254.1') {
$sysName = 'nrgiga';
}
if ($sysName eq ""){
$sysName = $router;
}
# $sysName =~ tr/[A-Z]/[a-z]/;
# Don't like to do it this way but...
# @res=`ovtopodump $router`;
# for ($cnt = 0 ; $cnt < @res; $cnt++){
# $_ = $res[$cnt];
# if (/IP ADDR: (.*)/){
@res=`ping $router -n 1`;
for ($cnt = 0 ; $cnt < @res; $cnt++){
$_ = $res[$cnt];
if (/from (.*):.*/) {
$routerip = $1;
last;
}
}
@res= `ovobjprint -a "IP Hostname" "SNMP sysName"=$sysName`;
$_ = $res[4];
if(!/NO FIELD VALUES FOUND/){
($router) = ($res[4] =~ m@\"(.*)\"@ );
}
$result[@result]= $routerip."\,".$sysName."\,".$router;
shift @args;
}
return @result;
}
sub snmpget{
my($host,@vars) = @_;
my(@enoid, $var,$response, $bindings, $binding, $value, $inoid,$outoid,
$upoid,$oid,@retvals,$t1,$t2,@resp,$tempo);
my($hackcisco);
foreach $var (@vars) {
die "Unknown SNMP var $var\n"
unless $snmpget::OIDS{$var} || $var =~ /^\d+[\.\d+]*\.\d+$/;
if ($var =~ /^\d+[\.\d+]*\.\d+/) {
$value = $value.$var." ";
$hackcisco = 1;
} else {
$value = $value.$snmpget::OIDS{$var}." ";
$hackcisco = 0;
}
}
open(SNMPG, "snmpget $host $value |");
while ($tempo =<SNMPG>){
($t1, $t2, $tempo ) = split /:/ , $tempo, 3;
if (!$tempo){
if ($t2){
$t1 = $t1 .":".$t2;
}
$tempo = pop(@retvals)." ".$t1 ;
}
$tempo=~s/\t/ /g;
$tempo=~s/\n/ /g;
$tempo=~s/^\s+//;
$tempo=~s/\s+$//;
push @retvals, $tempo;
}
close (SNMPG);
return (@retvals);
}
1;