659 lines
16 KiB
Perl
659 lines
16 KiB
Perl
# SNMP::Info::Layer3::Aruba
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# $Id$
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#
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# Copyright (c) 2008 Eric Miller
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the University of California, Santa Cruz nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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package SNMP::Info::Layer3::Aruba;
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use strict;
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use Exporter;
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use SNMP::Info::Layer3;
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@SNMP::Info::Layer3::Aruba::ISA = qw/SNMP::Info::Layer3 Exporter/;
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@SNMP::Info::Layer3::Aruba::EXPORT_OK = qw//;
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use vars qw/$VERSION %FUNCS %GLOBALS %MIBS %MUNGE/;
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$VERSION = '3.05';
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%MIBS = (
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%SNMP::Info::Layer3::MIBS,
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'WLSX-SWITCH-MIB' => 'wlsxHostname',
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'WLSX-WLAN-MIB' => 'wlanAPFQLN',
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'WLSR-AP-MIB' => 'wlsrHideSSID',
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#'ALCATEL-IND1-TP-DEVICES' => 'familyOmniAccessWireless',
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);
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%GLOBALS = ( %SNMP::Info::Layer3::GLOBALS, );
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%FUNCS = (
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%SNMP::Info::Layer3::FUNCS,
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# WLSX-SWITCH-MIB::wlsxSwitchAccessPointTable
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# Table index leafs do not return information
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# therefore unable to use apBSSID. We extract
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# the information from the IID instead.
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'aruba_ap_name' => 'apLocation',
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'aruba_ap_ip' => 'apIpAddress',
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'aruba_ap_essid' => 'apESSID',
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'aruba_ap_ssidbcast' => 'wlsrHideSSID',
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# WLSX-WLAN-MIB::wlsxWlanAPTable
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'aruba_perap_fqln' => 'wlanAPFQLN',
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# WLSR-AP-MIB::wlsrConfigTable
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'aruba_ap_channel' => 'apCurrentChannel',
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# WLSX-SWITCH-MIB::wlsxSwitchStationMgmtTable
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# Table index leafs do not return information
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# therefore unable to use staAccessPointBSSID
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# or staPhyAddress. We extract the information from
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# the IID instead.
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#'fw_port' => 'staAccessPointBSSID',
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#'fw_mac' => 'staPhyAddress',
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'fw_user' => 'staUserName',
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);
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%MUNGE = ( %SNMP::Info::Layer3::MUNGE, );
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sub layers {
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return '00000111';
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}
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sub os {
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my $aruba = shift;
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my %osmap = (
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'alcatel-lucent' => 'aos-w',
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);
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return $osmap{$aruba->vendor()} || 'airos';
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}
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sub vendor {
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my $aruba = shift;
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my $id = $aruba->id() || 'undef';
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my %oidmap = (
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6486 => 'alcatel-lucent',
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);
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$id = $1 if (defined($id) && $id =~ /^\.1\.3\.6\.1\.4\.1\.(\d+)/);
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if (defined($id) and exists($oidmap{$id})) {
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return $oidmap{$id};
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}
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else {
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return 'aruba';
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}
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}
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sub os_ver {
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my $aruba = shift;
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my $descr = $aruba->description();
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return unless defined $descr;
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if ( $descr =~ m/Version\s+(\d+\.\d+\.\d+\.\d+)/ ) {
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return $1;
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}
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return;
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}
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sub model {
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my $aruba = shift;
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my $id = $aruba->id();
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return unless defined $id;
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my $model = &SNMP::translateObj($id);
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return $id unless defined $model;
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return $model;
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}
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# Thin APs do not support ifMIB requirement
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#
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# We return all BSSIDs as pseudo-ports on the controller.
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sub i_index {
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my $aruba = shift;
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my $partial = shift;
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my $i_index = $aruba->orig_i_index($partial) || {};
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my $ap_index = $aruba->aruba_ap_name($partial) || {};
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my %if_index;
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foreach my $iid ( keys %$i_index ) {
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my $index = $i_index->{$iid};
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next unless defined $index;
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$if_index{$iid} = $index;
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}
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# Get Attached APs as Interfaces
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foreach my $ap_id ( keys %$ap_index ) {
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# Convert the 0.254.123.456 index entry to a MAC address.
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my $mac = join( ':',
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map { sprintf( "%02x", $_ ) } split( /\./, $ap_id ) );
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$if_index{$ap_id} = $mac;
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}
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return \%if_index;
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}
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sub interfaces {
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my $aruba = shift;
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my $partial = shift;
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my $i_index = $aruba->i_index($partial) || {};
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my $i_descr = $aruba->i_description($partial) || {};
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my %if;
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foreach my $iid ( keys %$i_index ) {
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my $index = $i_index->{$iid};
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next unless defined $index;
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if ( $index =~ /^\d+$/ ) {
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# Replace the Index with the ifDescr field.
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my $port = $i_descr->{$iid};
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next unless defined $port;
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$if{$iid} = $port;
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}
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elsif ( $index =~ /(?:[0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}/ ) {
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$if{$index} = $index;
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}
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else {
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next;
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}
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}
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return \%if;
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}
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# Most items are indexed by BSSID.
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# aruba_perap_fqln is indexed by AP, so we use the
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# [haven't decided yet] index to figure out all of the
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# BSSIDs served by a given radio.
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sub aruba_ap_fqln {
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my $aruba = shift;
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# I don't think $partial is meaningful in this context
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my $perap_fqln = $aruba->aruba_perap_fqln();
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my $channel = $aruba->wlanAPBssidChannel();
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my $aruba_ap_fqln = {};
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# Channel index is: AP, radio, BSSID
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foreach my $idx (keys %$channel) {
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my @oid = split(/\./, $idx );
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my $ap = join(".", @oid[0..5]);
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my $bssid = join(".", @oid[7..12]);
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$aruba_ap_fqln->{$bssid} = $perap_fqln->{$ap};
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}
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return $aruba_ap_fqln;
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}
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sub i_name {
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my $aruba = shift;
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my $partial = shift;
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my $i_index = $aruba->i_index($partial) || {};
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my $i_name2 = $aruba->orig_i_name($partial) || {};
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my $ap_name = $aruba->aruba_ap_name($partial) || {};
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my $ap_fqln = $aruba->aruba_ap_fqln($partial) || {};
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my %i_name;
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foreach my $iid ( keys %$i_index ) {
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my $index = $i_index->{$iid};
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next unless defined $index;
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if ( $index =~ /^\d+$/ ) {
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my $name = $i_name2->{$iid};
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next unless defined $name;
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$i_name{$index} = $name;
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}
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elsif ( $index =~ /(?:[0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}/ ) {
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my $name = $ap_fqln->{$iid} || $ap_name->{$iid};
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next unless defined $name;
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$i_name{$index} = $name;
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}
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else {
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next;
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}
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}
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return \%i_name;
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}
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sub i_ssidlist {
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my $aruba = shift;
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my $partial = shift;
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my $i_index = $aruba->i_index($partial) || {};
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my $ap_ssid = $aruba->aruba_ap_essid($partial) || {};
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my %i_ssid;
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foreach my $iid ( keys %$i_index ) {
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my $index = $i_index->{$iid};
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next unless defined $index;
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if ( $index =~ /(?:[0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}/ ) {
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my $ssid = $ap_ssid->{$iid};
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next unless defined $ssid;
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$i_ssid{$index} = $ssid;
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}
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else {
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next;
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}
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}
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return \%i_ssid;
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}
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sub i_80211channel {
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my $aruba = shift;
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my $partial = shift;
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my $i_index = $aruba->i_index($partial) || {};
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my $ap_ch = $aruba->aruba_ap_channel($partial) || {};
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my %i_ch;
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foreach my $iid ( keys %$i_index ) {
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my $index = $i_index->{$iid};
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next unless defined $index;
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if ( $index =~ /(?:[0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}/ ) {
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my $ch = $ap_ch->{$iid};
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next unless defined $ch;
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$i_ch{$index} = $ch;
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}
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else {
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next;
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}
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}
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return \%i_ch;
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}
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sub i_ssidbcast {
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my $aruba = shift;
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my $partial = shift;
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my $i_index = $aruba->i_index($partial) || {};
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my $ap_bc = $aruba->aruba_ap_ssidbcast($partial) || {};
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my %i_bc;
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foreach my $iid ( keys %$i_index ) {
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my $index = $i_index->{$iid};
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next unless defined $index;
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if ( $index =~ /(?:[0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}/ ) {
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my $bc = $ap_bc->{$iid};
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next unless defined $bc;
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$bc = ( $bc ? 0 : 1 );
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$i_bc{$index} = $bc;
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}
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else {
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next;
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}
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}
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return \%i_bc;
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}
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# Wireless switches do not support the standard Bridge MIB
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# Wired switches currently (AOS 7.2.0.0) do, but it seems only for
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# dot1q ports or access ports that are 'untrusted' ?
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sub bp_index {
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my $aruba = shift;
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my $partial = shift;
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my $i_index = $aruba->orig_i_index($partial) || {};
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my $ap_index = $aruba->aruba_ap_name($partial) || {};
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# Collect standard bp_index first
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my $wired_bp_index = $aruba->SUPER::bp_index($partial) || {};
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my %bp_index = %$wired_bp_index;
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foreach my $iid ( keys %$i_index ) {
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my $index = $i_index->{$iid};
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next unless defined $index;
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next if exists $bp_index{$iid}; # Only augment bp_index, don't overwrite any existing mappings
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$bp_index{$iid} = $index;
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}
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# Get Attached APs as Interfaces
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foreach my $ap_id ( keys %$ap_index ) {
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# Convert the 0.254.123.456 index entry to a MAC address.
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my $mac = join( ':',
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map { sprintf( "%02x", $_ ) } split( /\./, $ap_id ) );
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$bp_index{$mac} = $mac;
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}
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return \%bp_index;
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}
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sub fw_port {
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my $aruba = shift;
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my $partial = shift;
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my $fw_idx = $aruba->fw_user($partial) || {};
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my $wired_fw_port = $aruba->SUPER::qb_fw_port($partial) || {};
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my %fw_port = %$wired_fw_port;
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foreach my $iid ( keys %$fw_idx ) {
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if ( $iid
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=~ /(\d+\.\d+\.\d+\.\d+\.\d+\.\d+).(\d+\.\d+\.\d+\.\d+\.\d+\.\d+)/
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)
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{
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my $port = join( ':',
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map { sprintf( "%02x", $_ ) } split( /\./, $2 ) );
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$fw_port{$iid} = $port;
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}
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else {
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next;
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}
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}
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return \%fw_port;
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}
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sub fw_mac {
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my $aruba = shift;
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my $partial = shift;
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my $fw_idx = $aruba->fw_user($partial) || {};
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my $wired_fw_mac = $aruba->SUPER::qb_fw_mac($partial) || {};
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my %fw_mac = %$wired_fw_mac;
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foreach my $iid ( keys %$fw_idx ) {
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if ( $iid
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=~ /(\d+\.\d+\.\d+\.\d+\.\d+\.\d+).(\d+\.\d+\.\d+\.\d+\.\d+\.\d+)/
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)
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{
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my $mac = join( ':',
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map { sprintf( "%02x", $_ ) } split( /\./, $1 ) );
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$fw_mac{$iid} = $mac;
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}
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else {
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next;
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}
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}
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return \%fw_mac;
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}
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# Return the BSSID in i_mac.
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sub i_mac {
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my $aruba = shift;
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my $partial = shift;
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# Start with the i_mac entries for the physical ports.
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my $i_mac = $aruba->orig_i_mac($partial) || {};
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# Add in all the BSSID entries.
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my $i_index = $aruba->i_index($partial) || {};
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foreach my $iid (keys %$i_index) {
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my $index = $i_index->{$iid};
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if ($index =~ /:/) {
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$i_mac->{$index} = $index;
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}
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}
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return $i_mac;
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}
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1;
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__END__
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=head1 NAME
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SNMP::Info::Layer3::Aruba - SNMP Interface to Aruba wireless switches
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=head1 AUTHOR
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Eric Miller
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=head1 SYNOPSIS
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my $aruba = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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DestHost => 'myswitch',
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Community => 'public',
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Version => 2
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)
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or die "Can't connect to DestHost.\n";
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my $class = $aruba->class();
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print " Using device sub class : $class\n";
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=head1 DESCRIPTION
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SNMP::Info::Layer3::Aruba is a subclass of SNMP::Info that provides an
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interface to Aruba wireless switches. The Aruba platform utilizes
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intelligent wireless switches which control thin access points. The thin
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access points themselves are unable to be polled for end station information.
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This class emulates bridge functionality for the wireless switch. This enables
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end station MAC addresses collection and correlation to the thin access point
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the end station is using for communication.
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For speed or debugging purposes you can call the subclass directly, but not
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after determining a more specific class using the method above.
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my $aruba = new SNMP::Info::Layer3::Aruba(...);
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=head2 Inherited Classes
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=over
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=item SNMP::Info::Layer3
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=back
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=head2 Required MIBs
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=over
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=item F<WLSX-SWITCH-MIB>
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=item F<WLSR-AP-MIB>
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=back
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=head2 Inherited MIBs
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See L<SNMP::Info::Layer3/"Required MIBs"> for its MIB requirements.
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=head1 GLOBALS
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These are methods that return scalar value from SNMP
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=over
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=item $aruba->model()
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Returns model type. Cross references $aruba->id() with product IDs in the
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Aruba MIB.
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=item $aruba->vendor()
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Returns 'aruba'
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=item $aruba->os()
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Returns 'airos'
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=item $aruba->os_ver()
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Returns the software version extracted from C<sysDescr>
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=back
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=head2 Overrides
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=over
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=item $aruba->layers()
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Returns 00000011. Class emulates Layer 2 functionality for Thin APs through
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proprietary MIBs.
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=back
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=head2 Globals imported from SNMP::Info::Layer3
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See L<SNMP::Info::Layer3/"GLOBALS"> for details.
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=head1 TABLE METHODS
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These are methods that return tables of information in the form of a reference
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to a hash.
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=head2 Overrides
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=over
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=item $aruba->i_index()
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Returns reference to map of IIDs to Interface index.
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Extends C<ifIndex> to support thin APs as device interfaces.
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=item $aruba->interfaces()
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Returns reference to map of IIDs to ports. Thin APs are implemented as device
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interfaces. The thin AP BSSID is used as the port identifier.
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=item $aruba->i_name()
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Interface name. Returns (C<ifName>) for Ethernet interfaces and
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(C<wlanAPFQLN> or C<apLocation>) for thin AP interfaces.
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=item $aruba->i_mac()
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Interface MAC address. Returns interface MAC address for Ethernet
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interfaces and BSSID for thin AP interfaces.
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=item $aruba->bp_index()
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Simulates bridge MIB by returning reference to a hash containing the index for
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both the keys and values.
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=item $aruba->fw_port()
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(C<staAccessPointBSSID>) as extracted from the IID.
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=item $aruba->fw_mac()
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(C<staPhyAddress>) as extracted from the IID.
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=item $aruba->i_ssidlist()
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Returns reference to hash. SSID's recognized by the radio interface.
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(C<apESSID>)
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=item $aruba->i_ssidbcast()
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Returns reference to hash. Indicates whether the SSID is broadcast, true or
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false.
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(C<wlsrHideSSID>)
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=item $aruba->i_80211channel()
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Returns reference to hash. Current operating frequency channel of the radio
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interface.
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(C<apCurrentChannel>)
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=item $aruba->aruba_ap_fqln()
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Returns F<aruba_perap_fqln> indexed by BSSID instead of by AP.
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=back
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=head2 Aruba Switch AP Table (C<wlsxSwitchAccessPointTable>)
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=over
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=item $aruba->aruba_ap_name()
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(C<apLocation>)
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=item $aruba->aruba_ap_ip()
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(C<apIpAddress>)
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=item $aruba->aruba_ap_essid()
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(C<apESSID>)
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=item $aruba->aruba_ap_ssidbcast()
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(C<wlsrHideSSID>)
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=back
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=head2 Aruba AP Table (C<wlsxWlanAPTable>)
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=over
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=item $aruba->aruba_perap_fqln()
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(C<wlanAPFQLN>)
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=back
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=head2 Aruba Switch Station Management Table (C<wlsxSwitchStationMgmtTable>)
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=over
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=item $aruba->fw_user()
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(C<staUserName>)
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=back
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=head2 Aruba Wireless AP Configuration Table (C<wlsrConfigTable>)
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=over
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=item $aruba->aruba_ap_channel()
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(C<apCurrentChannel>)
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=back
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=head2 Table Methods imported from SNMP::Info::Layer3
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See L<SNMP::Info::Layer3/"TABLE METHODS"> for details.
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=cut
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