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OK to include device ports when doing arpnip

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This commit is contained in:
Oliver Gorwits
2013-10-06 22:22:48 +01:00
parent 8690080571
commit 50ed3d0b90
3 changed files with 13 additions and 12 deletions
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11
Netdisco/lib/App/Netdisco/Core/Arpnip.pm
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@@ -3,7 +3,6 @@ package App::Netdisco::Core::Arpnip;
use Dancer qw/:syntax :script/;
use Dancer::Plugin::DBIC 'schema';
use App::Netdisco::Util::PortMAC 'get_port_macs';
use App::Netdisco::Util::SanityCheck 'check_mac';
use App::Netdisco::Util::DNS ':all';
use NetAddr::IP::Lite ':lower';
@@ -44,12 +43,10 @@ sub do_arpnip {
return;
}
my $port_macs = get_port_macs($device);
# get v4 arp table
my @v4 = _get_arps($device, $port_macs, $snmp->at_paddr, $snmp->at_netaddr);
my @v4 = _get_arps($device, $snmp->at_paddr, $snmp->at_netaddr);
# get v6 neighbor cache
my @v6 = _get_arps($device, $port_macs, $snmp->ipv6_n2p_mac, $snmp->ipv6_n2p_addr);
my @v6 = _get_arps($device, $snmp->ipv6_n2p_mac, $snmp->ipv6_n2p_addr);
# get directly connected networks
my @subnets = _gather_subnets($device, $snmp);
@@ -78,13 +75,13 @@ sub do_arpnip {
# get an arp table (v4 or v6)
sub _get_arps {
my ($device, $port_macs, $paddr, $netaddr) = @_;
my ($device, $paddr, $netaddr) = @_;
my @arps = ();
while (my ($arp, $node) = each %$paddr) {
my $ip = $netaddr->{$arp};
next unless defined $ip;
next unless check_mac($device, $node, $port_macs);
next unless check_mac($device, $node);
push @arps, [$node, $ip, hostname_from_ip($ip)];
}

13
Netdisco/lib/App/Netdisco/Util/SanityCheck.pm
View File

@@ -44,22 +44,25 @@ MAC address is well-formed (according to common formats)
MAC address is not all-zero, broadcast, CLIP, VRRP or HSRP
=back
Optionally pass a cached set of Device port MAC addresses as the third
argument, in which case an additional check is added:
=over 4
=item *
MAC address does not belong to an interface on any known Device
=back
Optionally pass a cached set of Device port MAC addresses as the third
argument, or else C<check_mac> will retrieve this for itself from the
database.
=cut
sub check_mac {
my ($device, $node, $port_macs) = @_;
$port_macs ||= get_port_macs($device);
my $mac = Net::MAC->new(mac => $node, 'die' => 0, verbose => 0);
$port_macs ||= {};
# incomplete MAC addresses (BayRS frame relay DLCI, etc)
if ($mac->get_error) {