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48 lines
2.0 KiB
Perl
48 lines
2.0 KiB
Perl
#!/usr/bin/perl
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###############################################################################
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# #
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# IPFire.org - A linux based firewall #
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# Copyright (C) 2007 Michael Tremer & Christian Schmidt #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <http://www.gnu.org/licenses/>. #
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# #
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###############################################################################
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use strict;
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require '/var/ipfire/general-functions.pl';
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my $count = $ARGV[0];
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my ($dhcp, $dns, @alldns, %dhcpc);
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if ($count eq "" || $count < 1) {
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die "Bad DNS number given"; }
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if (open(FILE, "${General::swroot}/red/iface")) {
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my $iface = <FILE>;
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close FILE;
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chomp ($iface);
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if (!&General::readhash("${General::swroot}/dhcpc/dhcpcd-$iface.info", \%dhcpc)) {
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die "Could not open dhcpc info file";
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}
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} else {
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die "Could not open interface file";
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}
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$dns = $dhcpc{'domain_name_servers'};
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@alldns = split(' ', $dns);
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print "$alldns[$count - 1]\n";
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