1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
#!/usr/bin/env perl
#
# Generates static mapping commands from the DHCP leases op mode command output
#
# On VyOS and Vyatta, invoke like "run show dhcp server leases | /config/scripts/dhcpremember.pl"
# On EdgeOS, invoke like "run show dhcp leases | /config/scripts/dhcpremember.pl"
#
# Copyright (C) 2014 Daniil Baturin
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
# of the Software, and to permit persons to whom the Software is furnished to do
# so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
use lib "/opt/vyatta/share/perl5/";
use strict;
use warnings;
use Vyatta::Config;
use NetAddr::IP;
my $config = new Vyatta::Config();
while(<>)
{
# skip headers
if( $_ !~ /\d\.?/ )
{
next;
}
# Lease line format: <IPv4> <MAC> <Lease time> <Pool> <Client name>
my @values = split /\s+/, $_;
my $ip = $values[0];
my $mac = $values[1];
my $pool = $values[4];
my $client = undef;
# Client name may not be present
if( defined($values[5]) )
{
$client = $values[5];
}
else
{
$client = $ip;
}
my $subnet = "CHANGME"; # For the case it isn't detected from the config
# Get subnet for the pool
my @subnets = $config->listNodes("service dhcp-server shared-network-name $pool subnet");
my $ip_object = new NetAddr::IP("$ip/32");
foreach my $subnet_str (@subnets)
{
my $subnet_object = new NetAddr::IP($subnet_str);
if( $ip_object->within($subnet_object) )
{
$subnet = $subnet_str;
}
}
$client = $ip unless defined($client);
print "set service dhcp-server shared-network-name $pool subnet $subnet static-mapping $client ip-address $ip\n";
print "set service dhcp-server shared-network-name $pool subnet $subnet static-mapping $client mac-address $mac\n";
}
|
