| 1 | #!/usr/bin/perl -w |
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| 2 | # sample PowerDNS Coprocess backend |
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| 3 | # |
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| 4 | |
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| 5 | use strict; |
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| 6 | |
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| 7 | |
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| 8 | $|=1; # no buffering |
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| 9 | |
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| 10 | my $line=<>; |
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| 11 | chomp($line); |
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| 12 | |
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| 13 | unless($line eq "HELO\t1") { |
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| 14 | print "FAIL\n"; |
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| 15 | print STDERR "Received '$line'\n"; |
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| 16 | <>; |
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| 17 | exit; |
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| 18 | } |
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| 19 | print "OK Sample backend firing up\n"; # print our banner |
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| 20 | |
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| 21 | while(<>) |
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| 22 | { |
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| 23 | print STDERR "$$ Received: $_"; |
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| 24 | chomp(); |
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| 25 | my @arr=split(/\t/); |
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| 26 | if(@arr<6) { |
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| 27 | print "LOG PowerDNS sent unparseable line\n"; |
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| 28 | print "FAIL\n"; |
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| 29 | next; |
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| 30 | } |
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| 31 | |
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| 32 | my ($type,$qname,$qclass,$qtype,$id,$ip)=split(/\t/); |
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| 33 | |
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| 34 | if(($qtype eq "SOA" || $qtype eq "ANY") && $qname eq "example.com") { |
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| 35 | print STDERR "$$ Sent SOA records\n"; |
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| 36 | print "DATA $qname $qclass SOA 3600 -1 ahu.example.com ns1.example.com 2008080300 1800 3600 604800 3600\n"; |
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| 37 | } |
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| 38 | if(($qtype eq "NS" || $qtype eq "ANY") && $qname eq "example.com") { |
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| 39 | print STDERR "$$ Sent NS records\n"; |
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| 40 | print "DATA $qname $qclass NS 3600 -1 ns1.example.com\n"; |
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| 41 | print "DATA $qname $qclass NS 3600 -1 ns2.example.com\n"; |
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| 42 | } |
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| 43 | if(($qtype eq "TXT" || $qtype eq "ANY") && $qname eq "example.com") { |
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| 44 | print STDERR "$$ Sent NS records\n"; |
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| 45 | print "DATA $qname $qclass TXT 3600 -1 \"hallo allemaal!\"\n"; |
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| 46 | } |
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| 47 | if(($qtype eq "A" || $qtype eq "ANY") && $qname eq "webserver.example.com") { |
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| 48 | print STDERR "$$ Sent A records\n"; |
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| 49 | print "DATA $qname $qclass A 3600 -1 1.2.3.4\n"; |
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| 50 | print "DATA $qname $qclass A 3600 -1 1.2.3.5\n"; |
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| 51 | print "DATA $qname $qclass A 3600 -1 1.2.3.6\n"; |
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| 52 | } |
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| 53 | elsif(($qtype eq "CNAME" || $qtype eq "ANY") && $qname eq "www.example.com") { |
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| 54 | print STDERR "$$ Sent CNAME records\n"; |
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| 55 | print "DATA $qname $qclass CNAME 3600 -1 webserver.example.com\n"; |
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| 56 | } |
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| 57 | elsif($qtype eq "MBOXFW") { |
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| 58 | print STDERR "$$ Sent MBOXFW records\n"; |
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| 59 | print "DATA $qname $qclass MBOXFW 3600 -1 powerdns\@example.com\n"; |
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| 60 | } |
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| 61 | |
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| 62 | |
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| 63 | print STDERR "$$ End of data\n"; |
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| 64 | print "END\n"; |
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| 65 | } |
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| 66 | |
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