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069680ac | 1 | #!/usr/bin/perl |
70df8302 MT |
2 | ############################################################################### |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2007 Michael Tremer & Christian Schmidt # | |
6 | # # | |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
069680ac MT |
21 | |
22 | use strict; | |
23 | require '/var/ipfire/general-functions.pl'; | |
24 | ||
25 | my $count = $ARGV[0]; | |
26 | my ($dhcp, $dns, @alldns, %dhcpc); | |
27 | ||
28 | if ($count eq "" || $count < 1) { | |
29 | die "Bad DNS number given"; } | |
30 | ||
31 | if (open(FILE, "${General::swroot}/red/iface")) { | |
32 | my $iface = <FILE>; | |
33 | close FILE; | |
34 | chomp ($iface); | |
35 | if (!&General::readhash("${General::swroot}/dhcpc/dhcpcd-$iface.info", \%dhcpc)) { | |
36 | die "Could not open dhcpc info file"; | |
37 | } | |
38 | } else { | |
39 | die "Could not open interface file"; | |
40 | } | |
41 | ||
42 | ||
26617b09 | 43 | $dns = $dhcpc{'domain_name_servers'}; |
069680ac | 44 | |
d25238aa | 45 | @alldns = split(' ', $dns); |
069680ac MT |
46 | |
47 | print "$alldns[$count - 1]\n"; |