X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXCIDR.pm;h=88a26d5c552631e4b66c173eb0c3262400e17d0d;hb=996fed89967a1fd4d8665a10fd73b9612aeb1606;hp=2ef0d1937954dccd2f004bd5777e72a9da773e92;hpb=3b87cb901b1aa6604814d3f585561a404603f43f;p=spider.git diff --git a/perl/DXCIDR.pm b/perl/DXCIDR.pm index 2ef0d193..88a26d5c 100644 --- a/perl/DXCIDR.pm +++ b/perl/DXCIDR.pm @@ -16,6 +16,7 @@ use DXUtil; use DXLog; use IO::File; use File::Copy; + use Socket qw(AF_INET AF_INET6 inet_pton inet_ntop); our $active = 0; @@ -25,62 +26,81 @@ my $ipv6; my $count4 = 0; my $count6 = 0; -# load the badip file -sub load -{ - if ($active) { - $count4 = _load($ipv4, 4); - $count6 = _load($ipv6, 6); - } - LogDbg('DXProt', "DXCIDR: loaded $count4 IPV4 addresses and $count6 IPV6 addresses"); - return $count4 + $count6; -} - sub _fn { - return localdata($badipfn) . ".$_[0]"; + return localdata($badipfn); } -sub _load +sub _read { - my $list = shift; - my $sort = shift; - my $fn = _fn($sort); + my $suffix = shift; + my $fn = _fn(); + $fn .= ".$suffix" if $suffix; my $fh = IO::File->new($fn); - my $count = 0; - + my @out; + if ($fh) { while (<$fh>) { chomp; next if /^\s*\#/; next unless /[\.:]/; - $list->add_any($_); - ++$count; + push @out, $_; } $fh->close; - $list->clean if $count; - $list->prep_find; - } elsif (-r $fn) { - LogDbg('err', "DXCIDR: $fn not found ($!)"); + } else { + LogDbg('err', "DXCIDR: $fn read error ($!)"); } - return $count; + return @out; +} + +sub _load +{ + my $suffix = shift; + my @in = _read($suffix); + return scalar add(@in); } sub _put { - my $list = shift; - my $sort = shift; - my $fn = _fn($sort); + my $suffix = shift; + my $fn = _fn() . ".$suffix"; my $r = rand; my $fh = IO::File->new (">$fn.$r"); + my $count = 0; if ($fh) { - for ($list->list) { + for ($ipv4->list, $ipv6->list) { $fh->print("$_\n"); + ++$count; } move "$fn.$r", $fn; + LogDbg('cmd', "DXCIDR: put (re-)written $fn"); } else { LogDbg('err', "DXCIDR: cannot write $fn.$r $!"); } + return $count; +} + +sub append +{ + my $suffix = shift; + my @in = @_; + my @out; + + if ($suffix) { + my $fn = _fn() . ".$suffix"; + my $r = rand; + my $fh = IO::File->new (">>$fn.$r"); + if ($fh) { + print $fh "$_\n" for @in; + $fh->close; + move "$fn.$r", $fn; + } else { + LogDbg('err', "DXCIDR::append error appending to $fn.$r $!"); + } + } else { + LogDbg('err', "DXCIDR::append require badip suffix"); + } + return scalar @in; } sub add @@ -89,43 +109,33 @@ sub add for my $ip (@_) { # protect against stupid or malicious - next if /^127\./; - next if /^::1$/; - if (/\./) { - if ($ipv4->find($ip)) { - LogDbg('DXProt', "DXCIDR: Ignoring existing IPV4 $ip"); - next; - } + next if $ip =~ /^127\./; + next if $ip =~ /^::1$/; + if ($ip =~ /\./) { $ipv4->add_any($ip); ++$count; ++$count4; - } elsif (/:/) { - if ($ipv6->find($ip)) { - LogDbg('DXProt', "DXCIDR: Ignoring existing IPV6 $ip"); - next; - } + } elsif ($ip =~ /:/) { $ipv6->add_any($ip); ++$count; ++$count6; - LogDbg('DXProt', "DXCIDR: Added IPV6 $ip address"); + } else { + LogDbg('err', "DXCIDR::add non-ip address '$ip' read"); } } + return $count; +} + +sub clean_prep +{ if ($ipv4 && $count4) { + $ipv4->clean; $ipv4->prep_find; - _put($ipv4, 4); } if ($ipv6 && $count6) { + $ipv6->clean; $ipv6->prep_find; - _put($ipv6, 6); } - return $count; -} - -sub save -{ - return 0 unless $active; - _put($ipv4, 4) if $count4; - _put($ipv6, 6) if $count6; } sub _sort @@ -167,14 +177,44 @@ sub init } import Net::CIDR::Lite; + $active = 1; - $ipv4 = Net::CIDR::Lite->new; - $ipv6 = Net::CIDR::Lite->new; + my $fn = _fn(); + if (-e $fn) { + move $fn, "$fn.base"; + } - $active = 1; - load(); + _touch("$fn.local"); + + reload(); + +} + +sub _touch +{ + my $fn = shift; + my $now = time; + local (*TMP); + utime ($now, $now, $fn) || open (TMP, ">>$fn") || LogDbg('err', "DXCIDR::touch: Couldn't touch $fn: $!"); } +sub reload +{ + new(); + + my $count = _load('base'); + $count += _load('local'); + + LogDbg('DXProt', "DXCIDR::reload $count ip addresses found (IPV4: $count4 IPV6: $count6)" ); + return $count; +} + +sub new +{ + $ipv4 = Net::CIDR::Lite->new; + $ipv6 = Net::CIDR::Lite->new; + $count4 = $count6 = 0; +} 1;