28 lines
861 B
Plaintext
28 lines
861 B
Plaintext
|
#!/usr/bin/perl
|
||
|
|
use warnings;
|
||
|
|
use strict;
|
||
|
|
use autodie;
|
||
|
|
|
||
|
|
for my $zonefile (@ARGV) {
|
||
|
|
open my $in, '<', $zonefile;
|
||
|
|
open my $out, '>', "$zonefile.$$";
|
||
|
|
while (<$in>) {
|
||
|
|
# @ SOA ns1.wsr.ac.at. hostmaster.wsr.ac.at. 1957 14400 3600 604800 86400
|
||
|
|
if ( my ($prefix, $master, $rp, $serial, $refresh, $retry, $expire, $negttl)
|
||
|
|
= m/(.*)SOA\s+(\S+)\s+(\S+)\s(\d+)\s(\d+)\s(\d+)\s(\d+)\s(\d+)/
|
||
|
|
) {
|
||
|
|
# maximum time recommended by RFC 2308, also enforced by
|
||
|
|
# BIND (by default).
|
||
|
|
if ($negttl >= 3 * 3600) {
|
||
|
|
$negttl = 3600;
|
||
|
|
$serial++;
|
||
|
|
}
|
||
|
|
print $out "${prefix}SOA\t$master $rp $serial $refresh $retry $expire $negttl\n";
|
||
|
|
} else {
|
||
|
|
print $out $_;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
rename "$zonefile.$$", $zonefile;
|
||
|
|
}
|
||
|
|
|