83 lines
1.9 KiB
Perl
83 lines
1.9 KiB
Perl
package App::Netdisco::SSHCollector::Platform::FreeBSD;
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=head1 NAME
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App::Netdisco::SSHCollector::Platform::FreeBSD
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=head1 DESCRIPTION
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Collect ARP entries from FreeBSD routers.
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This collector uses "C<arp>" as the command for the arp utility on your
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system. If you wish to specify an absolute path, then add an C<arp_command>
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item to your configuration:
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sshcollector:
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- ip: '192.0.2.1'
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user: oliver
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password: letmein
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platform: FreeBSD
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arp_command: '/usr/sbin/arp'
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=cut
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use strict;
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use warnings;
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use Dancer ':script';
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use Expect;
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use Moo;
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=head1 PUBLIC METHODS
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=over 4
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=item B<arpnip($host, $ssh)>
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Retrieve ARP entries from device. C<$host> is the hostname or IP address
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of the device. C<$ssh> is a Net::OpenSSH connection to the device.
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Returns a list of hashrefs in the format C<{ mac => MACADDR, ip => IPADDR }>.
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=back
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=cut
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sub arpnip {
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my ($self, $hostlabel, $ssh, $args) = @_;
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debug "$hostlabel $$ arpnip()";
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my ($pty, $pid) = $ssh->open2pty or die "unable to run remote command";
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my $expect = Expect->init($pty);
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my ($pos, $error, $match, $before, $after);
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my $prompt = qr/\$/;
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($pos, $error, $match, $before, $after) = $expect->expect(10, -re, $prompt);
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my $command = ($args->{arp_command} || 'arp');
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$expect->send("$command -n -a\n");
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($pos, $error, $match, $before, $after) = $expect->expect(5, -re, $prompt);
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my @arpentries = ();
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my @lines = split(m/\n/, $before);
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# ? (192.0.2.1) at fe:ed:de:ad:be:ef on igb0_vlan2 expires in 658 seconds [vlan]
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my $linereg = qr/\s+\((\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\)\s+at\s+([a-fA-F0-9:]{17})\s+on/;
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foreach my $line (@lines) {
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if ($line =~ $linereg) {
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my ($ip, $mac) = ($1, $2);
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push @arpentries, { mac => $mac, ip => $ip };
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}
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}
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$expect->send("exit\n");
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$expect->soft_close();
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return @arpentries;
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}
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1;
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