6 |
use Net::DNS::Nameserver; |
use Net::DNS::Nameserver; |
7 |
use Net::DNS::Resolver; |
use Net::DNS::Resolver; |
8 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
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use CouchDB; |
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|
11 |
use server; |
use server; |
12 |
our $debug = server::debug; |
our $debug = server::debug; |
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server->refresh; |
server->refresh; |
32 |
$debug = server::debug; |
$debug = server::debug; |
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|
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print "$qname $qclass $qtype $peerhost to ". $conn->{"sockhost"}. "\n"; |
CouchDB::audit( 'request', { |
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qname => $qname, |
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qclass => $qclass, |
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qtype => $qtype, |
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peerhost => $peerhost, |
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sockhost => $conn->{"sockhost"} |
40 |
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}); |
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$query->print if $debug; |
$query->print if $debug; |
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44 |
my $local = $1 if $qname =~ m{^(.+)\.\Q$server::domain_name\E$}; |
my $local = $1 if $qname =~ m{^(.+)\.\Q$server::domain_name\E$}; |
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|
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my $ttl = 3600; |
my $ttl = 3600; |
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49 |
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my $audit = { source => 'unknown' }; |
50 |
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|
51 |
if ( $local ) { |
if ( $local ) { |
52 |
warn "local[$local] $qname $qtype"; |
warn "local[$local] $qname $qtype"; |
53 |
$rcode = "NOERROR"; |
$rcode = "NOERROR"; |
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my $rdata; |
my $rdata; |
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if ( $qtype eq "A" && $local eq "server" ) { |
if ( $qtype eq "A" && $local eq "server" ) { |
56 |
$rdata = name_ip( $local, '172.16.10.1' ); |
$rdata = name_ip( $local, $server::ip ); |
57 |
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$audit->{source} = 'local'; |
58 |
} else { |
} else { |
59 |
$rcode = "NXDOMAIN"; |
$rcode = "NXDOMAIN"; |
60 |
} |
} |
65 |
if ( my $rdata = $ptr_cache->{$1} ) { |
if ( my $rdata = $ptr_cache->{$1} ) { |
66 |
$rdata .= '.' . $server::domain_name; |
$rdata .= '.' . $server::domain_name; |
67 |
push @ans, Net::DNS::RR->new("$qname $ttl $qclass $qtype $rdata"); |
push @ans, Net::DNS::RR->new("$qname $ttl $qclass $qtype $rdata"); |
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$audit->{source} = 'PTR'; |
69 |
} else { |
} else { |
70 |
warn "## ",dump( $ptr_cache ); |
warn "## ",dump( $ptr_cache ); |
71 |
$rcode = "NXDOMAIN"; |
$rcode = "NXDOMAIN"; |
72 |
} |
} |
73 |
} elsif ( my $packet = $res->query( $qname, $qtype ) ) { |
} elsif ( my $packet = $res->query( $qname, $qtype ) ) { |
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|
75 |
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$audit->{source} = 'upstream'; |
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$packet->print; |
$packet->print; |
77 |
push @ans, $_ foreach $packet->answer; |
push @ans, $_ foreach $packet->answer; |
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$rcode = "NOERROR"; |
$rcode = "NOERROR"; |
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|
85 |
warn "rcode: $rcode ",dump( @ans ); |
warn "rcode: $rcode ",dump( @ans ); |
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87 |
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$audit->{rcode} = $rcode; |
88 |
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$audit->{ans} = [ @ans ]; |
89 |
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90 |
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CouchDB::audit( 'response', $audit ); |
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92 |
# mark the answer as authoritive (by setting the 'aa' flag |
# mark the answer as authoritive (by setting the 'aa' flag |
93 |
return ($rcode, \@ans, \@auth, \@add, { aa => 1 }); |
return ($rcode, \@ans, \@auth, \@add, { aa => 1 }); |
94 |
} |
} |
100 |
Verbose => $debug, |
Verbose => $debug, |
101 |
) || die "couldn't create nameserver object\n"; |
) || die "couldn't create nameserver object\n"; |
102 |
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103 |
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CouchDB::audit('start', { listen => { port => 53, domain_name => $server::domain_name } }); |
104 |
warn "DNS $server::domain_name"; |
warn "DNS $server::domain_name"; |
105 |
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|
106 |
$ns->main_loop; |
$ns->main_loop; |