81 lines
2.7 KiB
Perl
81 lines
2.7 KiB
Perl
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#!/usr/bin/perl -W
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#----------------------------------------------------------------------
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# copyright (C) 2001 Florin Grad
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#
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# This is a really silly program that is supposed to generate a new key
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# and update the existing one in /etc/rndc.conf or /etc/named.conf
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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 2 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, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#------------------------------------------------------------------------
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my $key ="";
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#generate the key
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system ("dns-keygen > /etc/rndc.key") ;
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open (KEY, "< /etc/rndc.key") or die "Can't open the/etc/rdnc.key_file file for reading";
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while (<KEY>) {
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chomp($_);
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my @list = $_;
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$key = $list[0];
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}
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close(KEY);
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system ("rm -rf /etc/rndc.key");
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#update the /etc/rndc.conf file
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my $conf_file = "/etc/rndc.conf";
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my $conf_file_backup = $conf_file.".backup";
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open (CONF, "< $conf_file") or die "Can't open the $conf_file file for reading";
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open (CONF_new, "> $conf_file_backup") or die "Can't open the $conf_file_backup file for writing";
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while (<CONF>) {
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chomp($_);
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my @line = split (/\s+|\t+/,$_) ;
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if ($line[1] && ($line[1] eq "secret") && $line[2] && ($line[2] ne "must")) {
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print CONF_new "\tsecret \"".$key."\";\n";
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next;
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};
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print CONF_new "$_\n";
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};
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close (CONF_new);
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close (CONF);
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rename ("$conf_file","$conf_file".".orig");
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rename ("$conf_file_backup","$conf_file");
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#update the /etc/.named file
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$conf_file = "/etc/named.conf";
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$conf_file_backup = $conf_file.".backup";
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open (CONF, "< $conf_file") or die "Can't open the $conf_file file for reading";
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open (CONF_new, "> $conf_file_backup") or die "Can't open the $conf_file_backup file for writing";
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while (<CONF>) {
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chomp($_);
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my @line = split (/\s+|\t+/,$_) ;
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if ($line[1] && ($line[1] eq "secret") && $line[2] && ($line[2] ne "must")) {
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print CONF_new "\tsecret \"".$key."\";\n";
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next;
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};
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print CONF_new "$_\n";
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};
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close (CONF_new);
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close (CONF);
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rename ("$conf_file","$conf_file".".orig");
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rename ("$conf_file_backup","$conf_file");
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#fix permissions
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system "chmod 0600 /etc/rndc.conf /etc/named.conf";
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system "chown named.named /etc/rndc.conf /etc/named.conf";
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