Hello everyone. I'm having a problem using the Pipe backend.
What I'm trying to do is have all queries that come in get answered with a
specific ip. To do this, I'm trying out the Pipe backend using a basic
perl script.
pdns.conf (authritative server version 3.3):
launch=pipe
pipe-command=/etc/pdns/example.pl
local-address=127.0.0.1
default-soa-name=billy.com
-----------------------------
perl script:
#!/usr/bin/perl
use warnings;
use strict;
$|=1;�� ��� ��� ���
��� �# no buffering
my $line=<>;
chomp($line);
unless($line eq "HELO\t1") {
�� �print "FAIL\n";
�� �print STDERR "Received '$line'\n";
�� �<>;
�� �exit;
}
print "OK�� �Pipe backend firing
up\n";�� �# print our banner
while(<>)
{
�� �print STDERR "$$ Received: $_";
�� �chomp();
�� �my @arr=split(/\t/);
�� �if(@arr<6) {
�� ���� print "LOG��
�PowerDNS sent unparseable line\n";
�� ���� print "FAIL\n";
�� ���� next;
�� �}
�� �my
($type,$qname,$qclass,$qtype,$id,$ip)=split(/\t/);
�� �if ($qtype eq "A" || $qtype eq
"ANY") {
�� ���� print STDERR "$$ Sent A
records\n";
�� ���� print "DATA��
�$qname�� �$qclass�� �A��
�3600�� �-1�� �192.168.1.69\n";
�� �}
�� �print STDERR "$$ End of data\n";
�� �print "END\n";
}
-----------------------------
pdns monitor:
Aug 16 17:30:48 Remote 127.0.0.1 wants 'billy.com|A', do = 0, bufsize =
512: packetcache MISS
29715 Received: Q�� �billy.com��
�IN�� �SOA�� �-1��
�127.0.0.1
29715 End of data
Looks like it queries for an SOA record first, doesn't find anything and
just returns an empty response. I tried adding default-soa-name in the
conf, but that doesn't seem to work as I anticipated either.
Any help would be appreciated.
Thanks,
Billy
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